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Modeling and Simulation in Systems Biology

Transition from Third to Fourth Paradigm- Data Intensive Science

       Use of bionetworks to build better maps of disease

              Integrated Network Maps of Cancer
                Sharing Data, Tools and Models
                           Stephen Friend MD PhD

                  Sage Bionetworks (Non-Profit Organization)
                       Seattle/ Beijing/ San Francisco

                                  PRISME
                                May 4th, 2011
Alzheimers                             Diabetes




     Treating Symptoms v.s. Modifying Diseases
 Depression                            Cancer
                Will it work for me?
Familiar but Incomplete
WHY “DATA INTENSIVE”
     SCIENCE?
“Data Intensive Science” - Fourth Scientific Paradigm


            Equipment capable of generating
            massive amounts of data

            IT Interoperability

            Open Information System
        Evolving Models hosted in a
        Compute Space- Knowledge expert
WHY NOT USE
   “DATA INTENSIVE” SCIENCE
TO BUILD BETTER DISEASE MAPS?
“Data Intensive Science”- “Fourth Scientific Paradigm”
For building: “Better Maps of Human Disease”

           Equipment capable of generating
           massive amounts of data

           IT Interoperability

           Open Information System
       Evolving Models hosted in a
       Compute Space- Knowledge Expert
It is now possible to carry out comprehensive
       monitoring of many traits at the population level
Monitor disease and molecular traits in
             populations




      Putative causal gene

      Disease trait
Personalized Medicine 101:
Capturing Single bases pair mutations = ID of responders
Cancer Complexity: Overlapping of EGFR and Her2 Pathways
One Dimensional Technology Slices
                                              ENVIRONMENT
      Building an Altered Component List
                                                    # /'0/ $ "/ 40,
                                                     0 ! ( * # )5 2
                                                          +
                                  BRAIN




                                            HEART
                                            HEART
                                             E




                                                                            ENVIRONMENT
                           GI TRACT
                              TRACT
              10) / 40,
               24+ )5 2
                 /
                                                          KIDNEY
ENVIRONMENT




                                                             .)% 04 / 40,
                                                               4& -+ )5 2
                                                                    )




                            IMMUNE SYSTEM
                                   SYSTEM
                                    YS
                                    Y


                                            VAS
                                            VASCULAT
                                            VASCULATURE
                                             A    ATURE
                                                  AT

              4 / + + % / 40,
              2 3'2 / - )5 2
               %  10
                   4
                                 ENVIRONMENT
The "Rosetta Integrative Genomics Experiment#Generation, assembly, and
                                                      :
           integration of data to build models that predict clinical outcome




 Merck Inc. Co.
 5 Year Program
 Based at Rosetta
 Driven by Eric Schadt
 Total Resources
  >$150M

•     Generate data need to build
•      bionetworks
•     Assemble other available data useful for building networks
•     Integrate and build models
•     Test predictions
•     Develop treatments
•     Design Predictive Markers
How is genomic data used to understand biology?
                                                              RNA amplification




                                                  Tumors
                                                           Microarray hybirdization




                                                  Tumors
                                                           Gene Index

  "Standard#GWAS Approaches                                        Profiling Approaches
   Identifies Causative DNA Variation but     Genome scale profiling provide correlates of disease
           provides NO mechanism                                Many examples BUT what is cause and effect?




                                                                    Provide unbiased view of
                                                                    molecular physiology as it
                                                                   relates to disease phenotypes
                                      trait
                                                                      Insights on mechanism
                                                                 Provide causal relationships
                                                                    and allows predictions

                                                                                           18
                 Integrated#
                 "          Genetics Approaches
Integration of Genotypic, Gene Expression & Trait Data
                                               Schadt et al. Nature Genetics 37: 710 (2005)
                                                Millstein et al. BMC Genetics 10: 23 (2009)




                                                        Causal Inference


                                                                                                     “Global Coherent Datasets”
                                                                                                          •  population based
                                                                                                      •  100s-1000s individuals




                   Chen et al. Nature 452:429 (2008)                                          Zhu et al. Cytogenet Genome Res. 105:363 (2004)
      Zhang & Horvath. Stat.Appl.Genet.Mol.Biol. 4: article 17 (2005)                            Zhu et al. PLoS Comput. Biol. 3: e69 (2007)
Constructing Co-expression Networks
             Start with expression measures for ~13K genes most variant genes across 100-150 samples

                                                                                                    1       2      3         4            Note: NOT a gene
                                                                                                                                         expression heatmap
                                                                                            1

                                                                                                    1     0.8     0.2        -0.8
                                                Establish a 2D correlation matrix           2
                                                        for all gene pairs
expression




                                                                                                0.8         1     0.1        -0.6
                                                                                            3

                                                                                                0.2       0.1       1         -0.1
                                                                                            4

                                                                                                -0.8      -0.6    -0.1           1
             Brain sample
                                                                                                    Correlation Matrix
                                                                                                                                                           Define Threshold
                                                                                                                                                            eg >0.6 for edge


                                                                            1       2   4       3                                           1      2          3       4
                                                                1                                                                    1
             1                 4                                        1       1       1       0                                           1          1          0       1
                                                                2                                                                    2
                                                                        1       1       1       0                                           1          1          0       1
                                                                        1       1       1       0           Hierarchically           3
                                             Identify modules   4                                                                           0          0          1       0
             2                 3                                                                                cluster
                                                                                                                                     4
                                                                3       0       0       0       1                                           1          1          0       1
                 Network Module                                     Clustered Connection Matrix                                            Connection Matrix
                 sets of genes for which many
                  pairs interact (relative to the
                  total number of pairs in that
                               set)
Gene Co-Expression Network Analysis
   Define a Gene Co-expression Similarity


   Define a Family of Adjacency Functions


       Determine the AF Parameters


    Define a Measure of Node Distance


    Identify Network Modules (Clustering)

      Relate the Network Concepts to
    External Gene or Sample Information     21
                                            Zhang B, Horvath S. Stat Appl Genet Mol Biol 2005
Gene Co-expression Network Analysis
Weighted Gene Network Analysis            Novel gene network causal for D&O
          >140 citations                           (Nature, 2008)
    >3400 full-text downloads




                                     22


   Novel pathways and gene targets   Novel oncogene in brain cancer (PNAS, 2006)
   in Atherosclerosis (PNAS, 2006)

                                                                    ASPM


      ATF4
              SREBP


        UPR
                 XBP1
A macrophage-enriched metabolic network (MEMN) associated with obesity
& diabetes
                                                                    Female                             Male




                                                            mouse
   Chen Y, Zhu J et al., Nature 2008
                                                            human



  Emilsson V, Thorleifsson G, Zhang B et al., Nature,2008



                                                                             Module relevance to BMI
Preliminary Probabalistic Models- Rosetta /Schadt

                                                                        Networks facilitate direct
                                                                     identification of genes that are
                                                                             causal for disease
                                                                    Evolutionarily tolerated weak spots


                           Gene symbol   Gene name                   Variance of OFPM    Mouse   Source
                                                                     explained by gene   model
                                                                     expression*
                           Zfp90         Zinc finger protein 90      68%                 tg      Constructed using BAC transgenics
                           Gas7          Growth arrest specific 7    68%                 tg      Constructed using BAC transgenics
                           Gpx3          Glutathione peroxidase 3    61%                 tg      Provided by Prof. Oleg
                                                                                                 Mirochnitchenko (University of
                                                                                                 Medicine and Dentistry at New
                                                                                                 Jersey, NJ) [12]

                           Lactb         Lactamase beta              52%                 tg      Constructed using BAC transgenics
                           Me1           Malic enzyme 1              52%                 ko      Naturally occurring KO
                           Gyk           Glycerol kinase             46%                 ko      Provided by Dr. Katrina Dipple
                                                                                                 (UCLA) [13]
                           Lpl           Lipoprotein lipase          46%                 ko      Provided by Dr. Ira Goldberg
                                                                                                 (Columbia University, NY) [11]
                           C3ar1         Complement component        46%                 ko      Purchased from Deltagen, CA
                                         3a receptor 1
                           Tgfbr2        Transforming growth         39%                 ko      Purchased from Deltagen, CA
Nat Genet (2005) 205:370                 factor beta receptor 2
The transcriptional network for mesenchymal transformation of brain
                                 tumours
Maria Stella Carro1*{, Wei Keat Lim2,3*{, Mariano Javier Alvarez3,4*, Robert J. Bollo8, Xudong Zhao1, Evan Y.
 Snyder9, Erik P. Sulman10, Sandrine L. Anne1{, Fiona Doetsch5, Howard Colman11, Anna Lasorella1,5,6, Ken
                             Aldape12, Andrea Califano1,2,3,4 & Antonio Iavarone1,5,7




                                                                             NATURE 463:318, 21 JANUARY 2010
Genomic                  Literature




                                             Mol. Profiles                  Structure
The Evolution of Systems Biology




                                   Model Evolution
                                                                                        Disease Models
                                                             Model Topology
                                                                                                         Physiologic / Pathologic
                                                                      Model Dynamics                      Phenotype Regulation
Extensive Publications now Substantiating Scientific Approach
                  Probabilistic Causal Bionetwork Models
• >60 Publications from Rosetta Genetics Group (~30 scientists) over 5 years including high profile
  papers in PLoS Nature and Nature Genetics


Metabolic                   "Genetics of gene expression surveyed in maize, mouse and man." Nature. (2003)
 Disease        "Variations in DNA elucidate molecular networks that cause disease." Nature. (2008)
                "Genetics of gene expression and its effect on disease." Nature. (2008)
                "Validation of candidate causal genes for obesity that affect..." Nat Genet. (2009)
                ….. Plus 10 additional papers in Genome Research, PLoS Genetics, PLoS Comp.Biology, etc
CVD                                 "Identification of pathways for atherosclerosis." Circ Res. (2007)
                          "Mapping the genetic architecture of gene expression in human liver." PLoS Biol. (2008)
                                    …… Plus 5 additional papers in Genome Res., Genomics, Mamm.Genome

Bone            "Integrating genotypic and expression data …for bone traits…" Nat Genet. (2005)
                                                           d
                  ..approach to identify candidate genes regulating BMD…" J Bone Miner Res. (2009)
Methods         "An integrative genomics approach to infer causal associations ... Nat Genet. (2005)
                "Increasing the power to detect causal associations… PLoS Comput Biol. (2007)
                "Integrating large-scale functional genomic data ..." Nat Genet. (2008)
                …… Plus 3 additional papers in PLoS Genet., BMC Genet.
List of Influential Papers in Network Modeling




                                        50 network papers
                                        http://sagebase.org/research/resources.php
(Eric Schadt)
What s needed to play/compete in the information space?
•    Three critical components:
      –  Big databases, organized (connected) to facilitate integration and model building
            •  GE Health, IBM, Microsoft, Google, and so on                                     Complex DB
                                                                                 1)
                                                                                                EMR              Results


                                                                                                         dbGAP

                                                                                             Kegg, GO, etc.       GEO


      –  Data integration and construction of predictive models
            •  Computational, math/stat, high-performance computing, and biological expertise
            •  Significant high-performance computing resources
                                                                                  2)




      –  Tools and educational resources to translate complex material to a hierarchy of of “users”and ways
         to cite model-publish                                          3)
Recognition that the benefits of bionetwork based molecular
models of diseases are powerful but that they require
significant resources




Appreciation that it will require decades of evolving
representations as real complexity emerges and needs to be
integrated with therapeutic interventions
Sage Mission
      Sage Bionetworks is a non-profit organization with a vision to
   create a commons where integrative bionetworks are evolved by
       contributor scientists with a shared vision to accelerate the
                       elimination of human disease

Building Disease Maps                              Data Repository




Commons Pilots                                    Discovery Platform
  Sagebase.org
Sage Bionetworks Strategy: Integrate with Communities of Interest
                                                    Map Users-
                                           Disease Map and Tool Users-
                                ( Scientists, Industry, Foundations, Regulators...)

                                               Platform Builders –
                                    Sage Platform and Infrastructure Builders-
                                 ( Academic Biotech and Industry IT Partners...)

                                                Barrier Breakers-
                                          Data Sharing Barrier Breakers-
                                        (Patients Advocates, Governance
                          M
   APS




                                         and Policy Makers,  Funders...)
                        FOR
 M




                                                  Data Generators-
                      PLAT
   NEW




                                     Data Tool and Disease Map Generators-
                                     (Global coherent data sets, Cytoscape,
         REPOSITORY               Clinical Trialists, Industrial Trialists, CROs…)

                                                Commons Pilots-
                                         Data Sharing Commons Pilots-
                                       (Federation, CCSB, Inspire2Live....)
Sage Bionetworks Functional Organization

              Platform             Commons          Research
                                                          Cancer
                                                    Neurological Disease
                                                     Metabolic Disease
           Curation/Annotation
                                                       Building
               Data                                    Disease
             Repository                                 Maps
                CTCAP
              Public Data                                 Pfizer
              Merck Data               Outposts           Merck
              TCGA/ICGC               Federation         Takeda
                                        CCSB          Astra Zeneca
                                                          CHDI
                                  Commons Pilots          Gates
                                                           NIH

                                     LSDF-WPP
                                     Inspire2Live
              Hosting Data               POC
          Hosting Tools Hosting                       Bayesian Models
                                                    Co-expression Models
                 Models

             Discovery                                 Tools &
              Platform                                 Methods
                                                         KDA/GSVA
                 LSDF
                                                                           35
Sage Bionetworks Collaborators

  Pharma Partners
     Merck, Pfizer, Takeda, Astra Zeneca, Amgen

  Foundations
     CHDI, Gates Foundation

  Government
     NIH, LSDF

  Academic
     Levy (Framingham)
     Rosengren (Lund)
     Krauss (CHORI)

  Federation
     Ideker, Califarno, Butte, Schadt             36
Building Integrated Models

                                                                        RNA amplification




                                                          Tumors
                                                                        Microarray hybirdization




                                                          Tumors
                                                                     Gene Index

  “Standard” GWAS Approaches                                                Profiling Approaches
     Identifies Causative DNA Variation but           Genome scale profiling provide correlates of disease
     provides NO mechanism                                           Many examples BUT what is cause and effect?




                                                                            Provide unbiased view of
                                                                            molecular physiology as it
                                                                            relates to disease phenotypes
                                              trait
                                                                            Insights on mechanism
                                                                            Provide causal relationships
                                                                            and allows predictions

                                                                                                                    37
                  “Integrated” Genetics Approaches
Methods for Integration of Genotypic, Gene Expression & Clinical Data

                                               Schadt et al. Nature Genetics 37: 710 (2005)
                                               Millstein et al. BMC Genetics 10: 23 (2009)




                                                                                               “Global Coherent Datasets”
                                                                                                  •  population based
                                                                                                  •  100s-1000s individuals




  Chen et al. Nature 452:429 (2008)                                                           Zhu et al. Cytogenet Genome Res. 105:363 (2004)
  Zhang & Horvath. Stat.Appl.Genet.Mol.Biol. 4: article 17 (2005)                             Zhu et al. PLoS Comput. Biol. 3: e69 (2007)

                                                                                                                                                38
Bayesian Networks
Bayesian Networks
(does Gene A control Gene B?)

     •  Captures the stochastic nature of biological system
     •  Probability based
     •  Can include priors such as causality information
     •  PREDICTIVE: CAN be used to predict outcomes or perturbations




                                                                       39
Bin Zhang
Integration of Multiple Networks for             Jun Zhu
Pathway and Target Identification


                            CNV
                            Data
                           Gene
                         Expression
                           Clinical
                            Traits
    Co-Expression
                                              Bayesian Network
       Network
                    Integration of Coexp. &
                       Bayesian Networks        40




                    Key Driver Analysis
                                                                 40
Bin Zhang
Key Driver Analysis                         Jun Zhu
                                            Justin Guinney




                      http://sagebase.org/research/tools.php   41
Justin Guinney
Gene Set Variation Analysis (GSVA)                                                                   Sonja Haenzelmann



   !       *#$ %%"!                 ! !   ! % '%!   $!     !%&+ %&   & %
                          !                     !
                                                                                                        Meta-pathways
                                *



                                                                 *
   #




                                          %'$        * '                   "!%&$' &  &$ * % # *
       !    &   &     %               ( & "! " & $ ! " )                   ! % & ! %&"$     % "$ %
                                             $" , $"                                       !
                                                                           %
                                                                           %
                                                                           %
                              '! !
                                !




                                                                           %
                              %'




                                                                           %
           ! % &%                                                          %
                                               !%                          %
                                                                           %




                                                                                                              Pathway CNV

            Cross-tissue                                                   Pathway Clustering
            Pathways




                                                                                                                         42
Bin Zhang
Model of Breast Cancer: Co-expression                                                        Xudong Dai
                                                                                             Jun Zhu

                                                   A) Miller 159 samples                                      B) Christos 189 samples
NKI: N Engl J Med. 2002 Dec 19;347(25):1999.

Wang: Lancet. 2005 Feb 19-25;365(9460):671.

Miller: Breast Cancer Res. 2005;7(6):R953.

Christos: J Natl Cancer Inst. 2006 15;98(4):262.



                        C) NKI 295 samples

                                                                                                                            E) Super modules

                                                             Cell cycle




                                                                                Pre-mRNA

                                                                                         ECM
                       D) Wang 286 samples                                                      Blood vessel


                                                                                  Immune
                                                                                  response




                                                                                                                                               43
                                                                     Zhang B et al., Towards a global picture of breast cancer (manuscript).
Bin Zhang
Model of Breast Cancer: Integration                                                                                 Xudong Dai
                                                                                                                    Jun Zhu
                   Conserved Super-modules
   = predictive
                                                                                       Breast Cancer Bayesian Network




                               mRNA proc.
                   Chromatin
   of survival




                                   Extract gene:gene relationships for selected super-modules from BN and define Key Drivers


                                                              Pathways & Regulators
                                            (Key drivers=yellow; key drivers validated in siRNA screen=green)
     Cell Cycle (Blue)                           Chromatin Modification (Black)         Pre-mRNA proc. (Brown)                               mRNA proc. (red)




                                                                                                                                                                      44
                                                                                                  Zhang B et al., Key Driver Analysis in Gene Networks (manuscript)
Bin Zhang
Model of Breast Cancer: Mining                              Xudong Dai
                                                            Jun Zhu




 Co-expression sub-networks predict survival; KDA identifies drivers




     Co-expression modules                Map to Bayesian
                                                                         Define Key Drivers
     correlate with survival              Network




                                                                                      45
Bin Zhang
Model of Alzheimer’s Disease                                   Jun Zhu


                                                          AD



                                                 normal




                                                          AD




                                                 normal




                                                          AD




                                                 normal




                                                                           Cell
                                                                           cycle
 http://sage.fhcrc.org/downloads/downloads.php
Liver Cytochrome P450 Regulatory Network                                                        Xia Yang
                                                                                                 Bin Zhang
 Models                                                                                          Jun Zhu




                                                                               http://sage.fhcrc.org/downloads/downloads.php




                                                                                         Regulators of P450 network


                                                                                                                                 47
Yang et al. Systematic genetic and genomic analysis of cytochrome P450 enzyme activities in human liver. 2010. Genome Research 20:1020.
Anders
New Type II Diabetes Disease Models                                        Rosengren


  Global expression data                                      340 genes in islet-specific
  from 64 human islet donors                                  open chromatin regions

                           Blue module: 3000 genes
                           Associated with
                           Type 2 diabetes
                           Elevated HbA1c
                           Reduced insulin secretion




                               168 overlapping genes, which have
                               •  Higher connectivity
                               •  Markedly stronger association with
                                     •  Type 2 diabetes
                                     •  Elevated HbA1c
                                     •  Reduced insulin secretion
                               •  Enrichment for beta-cell transcription
                                 factors and exocytotic proteins                       48
New Type II Diabetes Disease Models                                        Anders
                                                                           Rosengren

•  Search across 1300 datasets in MetaGEO at Sage for similar expression profiles
  Top hit: Islet dedifferentiation study where the 168 genes were upregulated in
  mature islets and downregulated in dedifferentiated islets (Kutlu et al., Phys Gen 2009)


•  Analyses of expression-SNPs and clinical SNPs as well as Causal Inference Test



•  Identification of candidate key genes affecting beta-cell differentiation and chromatin


Working hypothesis:

Normal beta-cell: open chromatin in islet-specific regions,
high expression of beta-cell transcription factors,
differentiated beta-cells and normal insulin secretion

Diabetic beta-cell: lower expression of beta-cell transcription
factors affecting the identified module, dedifferentiation,
reduced insulin secretion and hyperglycemia



Next steps: Validation of hypothesis and suggested key genes in human islets           49
Brig Mecham
Validating Prostate Cancer Models                                                           Xudong Dai
                                                                                            Pete Nelson
                                                                                            Rich Klingoffer
                              classification
  Gene Expression Data on
   >1000 prostate cancer
         samples
          (GEO)


                                                           CNV
  Gene Expression & CNV                                    Data

 Data ~200 prostate cancers                                Gene
                                                        Expression
        (Taylor et al)
                                                         Clinical
                                                          Traits
                              Co-Expression
                                                                         Bayesian Network
                                 Network
                                               Integration of Coexp. &
  Gene Expression & CNV                           Bayesian Networks
                                                                          50
  Data ~120 rapid autopsy
           Mets
         (Nelson)
                                               Key Driver Analysis

                                        Integrated network analysis
  Gene Expression & CNV
    Data ~30 prostate                                                                         Key Drivers Matched to
        xenografts                                                                            Xenografts for validations
         (Nelson)
                                                                                              with Presage Technology

     siRNA Screen Data
         (Nelson)
                                                                                                                  50
Lara Mangravite
Systems biology approach to pharmacogenomics
                                                                     Ron Krauss




Molecular simvastatin response                 Integrative Genomic
                                                     Analysis                     Ongoing:



                                                                        Cellular validation of novel
                                                                       genes and SNPs involved in
                                                                        statin efficacy and cellular
                                                                         cholesterol homeostasis


Clinical simvastatin response
       100                   -41 %

       80

       60

       40

       20

        0
        -100 -80     -60 -40 -20      0   20
                   Percent change LDLC

             Simon et al, Am J Cardiol 2006


                                                                                             51
Examples: The Sage Non-Responder Project in Cancer

               •  To identify Non-Responders to approved drug regimens so
      Purpose:    we can improve outcomes, spare patients unnecessary
                  toxicities from treatments that have no benefit to them, and
                  reduce healthcare costs
   Leadership: •  Co-Chairs Stephen Friend, Todd Golub, Charles Sawyers &
                  Rich Schilsky
      Initial  •  AML (at first relapse)
    Studies: •  Non-Small Cell Lung Cancer
               •  Ovarian Cancer (at first relapse)
               •  Breast Cancer
               •  Renal Cell
               •  Multiple Myeloma
Sage Bionetworks • Non-Responder Project
Clinical Trial Comparator Arm
        Partnership (CTCAP)
  Description: Collate, Annotate, Curate and Host Clinical Trial Data
   with Genomic Information from the Comparator Arms of Industry and
   Foundation Sponsored Clinical Trials: Building a Site for Sharing
   Data and Models to evolve better Disease Maps.
  Public-Private Partnership of leading pharmaceutical companies,
   clinical trial groups and researchers.
  Neutral Conveners: Sage Bionetworks and Genetic Alliance
   [nonprofits].
  Initiative to share existing trial data (molecular and clinical) from
   non-proprietary comparator and placebo arms to create powerful
   new tool for drug development.
CTCAP Workstreams
                                                     Uncurated GCD



                                                       Curated GCD
                                            •  Single common identifier to link datatypes
                                                    •  Gender mismatches removed


  Public                                                                                                  Sage
  Domain
   GCDs                                         Curated & QC! GCD
                                                            d                                         Curated GCD
                                       •  Gene expression data corrected for batch effects, etc
                Uncurated
                   GCD                                                                             Curated & QC’d GCD
Collaborators   Database
   GCDs           (Sage)                                                                             Network Models
                     •  Public
                 • Collaboration

  Private
                    •  Internal            Co-
  Domain                               expression                                                    Public Databases
                                        Network                                                          dbGAP
   GCDs
                                        Analysis
                                                                           Integrated
                                                                            Network
                                                                            Analysis
                                       Bayesian
                                       Network
                                       Analysis
Examples: The Sage Federation

•  Founding Lab Groups

    –    Seattle- Sage Bionetworks
    –    New York- Columbia: Andrea Califano
    –    Palo Alto- Stanford: Atul Butte
    –    San Diego- UCSD: Trey Ideker
    –    San Francisco: UCSF/Sage: Eric Schadt

•  Initial Projects
    –  Aging
    –  Diabetes
    –  Warburg

•  Goals: Share all datasets, tools, models
         Develop interoperability for human data
Human Aging Project
  Data       Transformations       Machine Learning


Brain A
(n=363)
                Interactome            Elastic Net
Brain B
(n=145)

Brain C      TF Activity Profile                         Age
(n=400)                              Network Prior      Model
                                        Models
 Blood A
(n=~1000)    Gene Set / Pathway
             Variation Analysis
 Blood B                             Tree Classifiers
(n=~1000)

Adipose
(n=~700)
Preliminary Results
              Adipose Age Prediction
multivariate logistic regression model predicting
           age in human adipose data




Master Regulator Analysis
        (MARINa)
  from Califano's lab.
Warburg Effect Studied by the Federation s Genome-
      wide Network and Modeling Approach


  Warburg effect: the association of aerobic glycolysis, an inefficient way for ATP generation, with
                cancer cell and their progression. Linked with rapidly dividing cells.

                                        Two Key Questions:

  1.  Are cancer cells genetically decoupled from the altered metabolism that is seen in rapidly
                                           dividing cells?

    2.  Is there evidence that cancer outcomes are associated with altered metabolic circuits?
Federation! Genome-wide Network and Modeling
              s
                     Approach

Califano group at Columbia   Sage Bionetworks   Butte group at Stanford
Characterizing Pattern of Glycolysis Genes in both Tumor
        and Normal Tissues of the Matched Origin
Andy Beck! approach (Butte Lab)
         s
                                Reannotated Expression Database
                                 from GEO and other depositary
                                                        Chen R.. et al (2007) Nature Method 4:879




  Thirty-three glycolysis         Query expression of 33 genes
genes from KEGG Pathway            from 11 tumor and normal
      and literatures                        tissues
                                      From matched origin




                              Frequency of 27 glycolysis genes
                            differentially expressed in normal and
                            tumor profiles among the 11 selected
                                     tissues are compared
Deriving Master Regulators from Transcription Factors
Regulatory Networks Glycolysis & Glycogenesis Metabolism Pathway
Inferred Transcriptional Factors Regulating GGMSE in Tumors
                     from Variety of Tissues
Inferring Prostate Cancer Regulatory Modules for Glycolysis
            &Glycogenesis Metabolism Pathway
  Sage bionetworks approach
                                                   Prostate cancer global coherent
                                                        data set (GSE21032)                      Taylor BS. et al (2010) Cancer Cell 18(1):11-22




                                                   Integrated Bayesian Approach

                                                                        Zhu J. et al (2008) Nature Genetics 40(7):
                                                                                          854-61
            Glycolysis and                            Inferred Transcriptional
        Glycogenesis Metablism                     Regulatory Network in Prostate
           Gene Set (GGMSE)                                    Cancer



                                                                                                                  Cox Proportional-Hazards
                                                    Prostate Cancer Regulatory                                  Regression model based on
                                                   Modules for GGMSE and Other                               individual gene for recurrence free
                                                       Metabolism Pathways                                                survival
Duarte N. et al (2006) PNAS 107(6):1777-1782




                                                 Metabolism pathways with regulatory
                                               modules enriched by poor prognosis genes
                                                          for prostate cancer
Genes Associated with Poor Prognosis are disproportionally
found among the networks regulating the "glycolysis# Genes
     P-Value<0.005          Size of the node proportional to -log10 P value for recurrence free survival.




    Inferred regulatory module for GGMSE                             Inferred regulatory module for Oxidative
                                                                        Phosphorylation and Sphingolipid
   >5 fold enrichment of recurrence free prognostic genes with
                                                                                Metabolism genes
   the Glycolysis BN module than random selection (p<1e-100)
THE FEDERATION
Butte   Califano Friend Ideker   Schadt

                   vs
Sage Bionetworks 22 publications
          in last year
Reproducible science==shareable science
                 Sweave: combines programmatic analysis with narrative

    Dynamic generation of statistical reports
         using literate data analysis




        Sweave.Friedrich Leisch. Sweave: Dynamic generation of statistical reports
using literate data analysis. In Wolfgang Härdle and Bernd Rönz,editors, Compstat 2002 –
                  Proceedings in Computational Statistics,pages 575-580.
                   Physica Verlag, Heidelberg, 2002. ISBN 3-7908-1517-9
Federated Aging Project :
     Combining analysis + narrative
                     =Sweave Vignette
  Sage Lab
                 R code +               PDF(plots + text + code snippets)
                 narrative
                                    HTML

                                     Data objects



Califano Lab                  Ideker Lab                Submitted
                                                          Paper




Shared Data       JIRA: Source code repository & wiki
Repository
Evolution of a Software Project
Evolution of a Biology Project
Software Tools Support Collaboration
Biology Tools Support Collaboration
Potential Supporting Technologies



Addama




                                   Taverna
                 tranSMART
A Platform Node for Modelling
INTEROPERABILITY



INTEROPERABILITY
M ODE
       LS
              PILOTS
          E
      ANC
   ERN
GOV
E                                      A
       Compute                               Engaged Public
       Platform
                  GOV




   D




                                             M
                                                            B




                                               ODE
                   ERN




Enabling
                                                       Map Building



                                                  LS
                      ANC




Sharing
                        E




                                 PILOTS

                                 C
                            The Federation
http://sagecongress.org
Arch2POCM
Entry points
  Pioneer targets     - genomic/ genetic
                      - disease networks
                      - academic partners
                      - private partners
                      - SAGE, SGC,



       Lead               Lead
                                      Preclinical     Phase I      Phase II
   identification     optimisation



Assay
    in vitro
    probe
               Lead       Clinical          Phase I     Phase II
                          candidate         asset       asset
Early Discovery
Reagents and publications will facilitate collaboration, more
leveraged funds, improved disease maps and target discovery

                                  Clinical       Phase I      Phase II
                Lead             candidate        asset        asset         POCM
     in vitro          in vivo
      probe             probe



       Lead                 Lead
                                             Preclinical    Phase I         Phase II
   identification       optimisation




      Efficacy         Efficacy                ADME,         Human             Efficacy
      in cellular      in in vivo              toxicology    safety &          in patients
      assays           “disease”                             tolerability
                       models
BETTER MAPS OF DISEASE USING
       DATA INTENSIVE SCIENCE


NOT JUST WHAT WE DO BUT HOW WE DO IT


POWER OF BUILDING A PRE-COMPETITIVE
        COMMONS FOR EVOLVING
    GENERATIVE MODELS OF DISEASE
 USING A PUBLIC PRIVATE PARTNERSHIP
Who will build the datasets/ models capable of providing
         powerful safety and efficacy insights?



 Academia
                                                  PHARMA
 PIs
               NETWORK
               PLATFORM                           Therapy
 Post Docs                                        Areas

 Grad                                             Scientists
 Students




Patients Physicians Citizens “Knowledge Expert”

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Stephen Friend PRISME Forum 2011-05-04

  • 1. Modeling and Simulation in Systems Biology Transition from Third to Fourth Paradigm- Data Intensive Science Use of bionetworks to build better maps of disease Integrated Network Maps of Cancer Sharing Data, Tools and Models Stephen Friend MD PhD Sage Bionetworks (Non-Profit Organization) Seattle/ Beijing/ San Francisco PRISME May 4th, 2011
  • 2. Alzheimers Diabetes Treating Symptoms v.s. Modifying Diseases Depression Cancer Will it work for me?
  • 5.
  • 6. “Data Intensive Science” - Fourth Scientific Paradigm Equipment capable of generating massive amounts of data IT Interoperability Open Information System Evolving Models hosted in a Compute Space- Knowledge expert
  • 7.
  • 8.
  • 9.
  • 10. WHY NOT USE “DATA INTENSIVE” SCIENCE TO BUILD BETTER DISEASE MAPS?
  • 11. “Data Intensive Science”- “Fourth Scientific Paradigm” For building: “Better Maps of Human Disease” Equipment capable of generating massive amounts of data IT Interoperability Open Information System Evolving Models hosted in a Compute Space- Knowledge Expert
  • 12.
  • 13. It is now possible to carry out comprehensive monitoring of many traits at the population level Monitor disease and molecular traits in populations Putative causal gene Disease trait
  • 14. Personalized Medicine 101: Capturing Single bases pair mutations = ID of responders
  • 15. Cancer Complexity: Overlapping of EGFR and Her2 Pathways
  • 16. One Dimensional Technology Slices ENVIRONMENT Building an Altered Component List # /'0/ $ "/ 40, 0 ! ( * # )5 2 + BRAIN HEART HEART E ENVIRONMENT GI TRACT TRACT 10) / 40, 24+ )5 2 / KIDNEY ENVIRONMENT .)% 04 / 40, 4& -+ )5 2 ) IMMUNE SYSTEM SYSTEM YS Y VAS VASCULAT VASCULATURE A ATURE AT 4 / + + % / 40, 2 3'2 / - )5 2 % 10 4 ENVIRONMENT
  • 17. The "Rosetta Integrative Genomics Experiment#Generation, assembly, and : integration of data to build models that predict clinical outcome Merck Inc. Co. 5 Year Program Based at Rosetta Driven by Eric Schadt Total Resources >$150M •  Generate data need to build •  bionetworks •  Assemble other available data useful for building networks •  Integrate and build models •  Test predictions •  Develop treatments •  Design Predictive Markers
  • 18. How is genomic data used to understand biology? RNA amplification Tumors Microarray hybirdization Tumors Gene Index "Standard#GWAS Approaches Profiling Approaches Identifies Causative DNA Variation but Genome scale profiling provide correlates of disease provides NO mechanism   Many examples BUT what is cause and effect?   Provide unbiased view of molecular physiology as it relates to disease phenotypes trait   Insights on mechanism   Provide causal relationships and allows predictions 18 Integrated# " Genetics Approaches
  • 19. Integration of Genotypic, Gene Expression & Trait Data Schadt et al. Nature Genetics 37: 710 (2005) Millstein et al. BMC Genetics 10: 23 (2009) Causal Inference “Global Coherent Datasets” •  population based •  100s-1000s individuals Chen et al. Nature 452:429 (2008) Zhu et al. Cytogenet Genome Res. 105:363 (2004) Zhang & Horvath. Stat.Appl.Genet.Mol.Biol. 4: article 17 (2005) Zhu et al. PLoS Comput. Biol. 3: e69 (2007)
  • 20. Constructing Co-expression Networks Start with expression measures for ~13K genes most variant genes across 100-150 samples 1 2 3 4 Note: NOT a gene expression heatmap 1 1 0.8 0.2 -0.8 Establish a 2D correlation matrix 2 for all gene pairs expression 0.8 1 0.1 -0.6 3 0.2 0.1 1 -0.1 4 -0.8 -0.6 -0.1 1 Brain sample Correlation Matrix Define Threshold eg >0.6 for edge 1 2 4 3 1 2 3 4 1 1 1 4 1 1 1 0 1 1 0 1 2 2 1 1 1 0 1 1 0 1 1 1 1 0 Hierarchically 3 Identify modules 4 0 0 1 0 2 3 cluster 4 3 0 0 0 1 1 1 0 1 Network Module Clustered Connection Matrix Connection Matrix sets of genes for which many pairs interact (relative to the total number of pairs in that set)
  • 21. Gene Co-Expression Network Analysis Define a Gene Co-expression Similarity Define a Family of Adjacency Functions Determine the AF Parameters Define a Measure of Node Distance Identify Network Modules (Clustering) Relate the Network Concepts to External Gene or Sample Information 21 Zhang B, Horvath S. Stat Appl Genet Mol Biol 2005
  • 22. Gene Co-expression Network Analysis Weighted Gene Network Analysis Novel gene network causal for D&O   >140 citations (Nature, 2008)  >3400 full-text downloads 22 Novel pathways and gene targets Novel oncogene in brain cancer (PNAS, 2006) in Atherosclerosis (PNAS, 2006) ASPM ATF4 SREBP UPR XBP1
  • 23. A macrophage-enriched metabolic network (MEMN) associated with obesity & diabetes Female Male mouse Chen Y, Zhu J et al., Nature 2008 human Emilsson V, Thorleifsson G, Zhang B et al., Nature,2008 Module relevance to BMI
  • 24. Preliminary Probabalistic Models- Rosetta /Schadt Networks facilitate direct identification of genes that are causal for disease Evolutionarily tolerated weak spots Gene symbol Gene name Variance of OFPM Mouse Source explained by gene model expression* Zfp90 Zinc finger protein 90 68% tg Constructed using BAC transgenics Gas7 Growth arrest specific 7 68% tg Constructed using BAC transgenics Gpx3 Glutathione peroxidase 3 61% tg Provided by Prof. Oleg Mirochnitchenko (University of Medicine and Dentistry at New Jersey, NJ) [12] Lactb Lactamase beta 52% tg Constructed using BAC transgenics Me1 Malic enzyme 1 52% ko Naturally occurring KO Gyk Glycerol kinase 46% ko Provided by Dr. Katrina Dipple (UCLA) [13] Lpl Lipoprotein lipase 46% ko Provided by Dr. Ira Goldberg (Columbia University, NY) [11] C3ar1 Complement component 46% ko Purchased from Deltagen, CA 3a receptor 1 Tgfbr2 Transforming growth 39% ko Purchased from Deltagen, CA Nat Genet (2005) 205:370 factor beta receptor 2
  • 25. The transcriptional network for mesenchymal transformation of brain tumours Maria Stella Carro1*{, Wei Keat Lim2,3*{, Mariano Javier Alvarez3,4*, Robert J. Bollo8, Xudong Zhao1, Evan Y. Snyder9, Erik P. Sulman10, Sandrine L. Anne1{, Fiona Doetsch5, Howard Colman11, Anna Lasorella1,5,6, Ken Aldape12, Andrea Califano1,2,3,4 & Antonio Iavarone1,5,7 NATURE 463:318, 21 JANUARY 2010
  • 26. Genomic Literature Mol. Profiles Structure The Evolution of Systems Biology Model Evolution Disease Models Model Topology Physiologic / Pathologic Model Dynamics Phenotype Regulation
  • 27. Extensive Publications now Substantiating Scientific Approach Probabilistic Causal Bionetwork Models • >60 Publications from Rosetta Genetics Group (~30 scientists) over 5 years including high profile papers in PLoS Nature and Nature Genetics Metabolic "Genetics of gene expression surveyed in maize, mouse and man." Nature. (2003) Disease "Variations in DNA elucidate molecular networks that cause disease." Nature. (2008) "Genetics of gene expression and its effect on disease." Nature. (2008) "Validation of candidate causal genes for obesity that affect..." Nat Genet. (2009) ….. Plus 10 additional papers in Genome Research, PLoS Genetics, PLoS Comp.Biology, etc CVD "Identification of pathways for atherosclerosis." Circ Res. (2007) "Mapping the genetic architecture of gene expression in human liver." PLoS Biol. (2008) …… Plus 5 additional papers in Genome Res., Genomics, Mamm.Genome Bone "Integrating genotypic and expression data …for bone traits…" Nat Genet. (2005) d ..approach to identify candidate genes regulating BMD…" J Bone Miner Res. (2009) Methods "An integrative genomics approach to infer causal associations ... Nat Genet. (2005) "Increasing the power to detect causal associations… PLoS Comput Biol. (2007) "Integrating large-scale functional genomic data ..." Nat Genet. (2008) …… Plus 3 additional papers in PLoS Genet., BMC Genet.
  • 28.
  • 29. List of Influential Papers in Network Modeling   50 network papers   http://sagebase.org/research/resources.php
  • 31. What s needed to play/compete in the information space? •  Three critical components: –  Big databases, organized (connected) to facilitate integration and model building •  GE Health, IBM, Microsoft, Google, and so on Complex DB 1) EMR Results dbGAP Kegg, GO, etc. GEO –  Data integration and construction of predictive models •  Computational, math/stat, high-performance computing, and biological expertise •  Significant high-performance computing resources 2) –  Tools and educational resources to translate complex material to a hierarchy of of “users”and ways to cite model-publish 3)
  • 32. Recognition that the benefits of bionetwork based molecular models of diseases are powerful but that they require significant resources Appreciation that it will require decades of evolving representations as real complexity emerges and needs to be integrated with therapeutic interventions
  • 33. Sage Mission Sage Bionetworks is a non-profit organization with a vision to create a commons where integrative bionetworks are evolved by contributor scientists with a shared vision to accelerate the elimination of human disease Building Disease Maps Data Repository Commons Pilots Discovery Platform Sagebase.org
  • 34. Sage Bionetworks Strategy: Integrate with Communities of Interest Map Users- Disease Map and Tool Users- ( Scientists, Industry, Foundations, Regulators...) Platform Builders – Sage Platform and Infrastructure Builders- ( Academic Biotech and Industry IT Partners...) Barrier Breakers- Data Sharing Barrier Breakers- (Patients Advocates, Governance M APS and Policy Makers,  Funders...) FOR M Data Generators- PLAT NEW Data Tool and Disease Map Generators- (Global coherent data sets, Cytoscape, REPOSITORY Clinical Trialists, Industrial Trialists, CROs…) Commons Pilots- Data Sharing Commons Pilots- (Federation, CCSB, Inspire2Live....)
  • 35. Sage Bionetworks Functional Organization Platform Commons Research Cancer Neurological Disease Metabolic Disease Curation/Annotation Building Data Disease Repository Maps CTCAP Public Data Pfizer Merck Data Outposts Merck TCGA/ICGC Federation Takeda CCSB Astra Zeneca CHDI Commons Pilots Gates NIH LSDF-WPP Inspire2Live Hosting Data POC Hosting Tools Hosting Bayesian Models Co-expression Models Models Discovery Tools & Platform Methods KDA/GSVA LSDF 35
  • 36. Sage Bionetworks Collaborators   Pharma Partners   Merck, Pfizer, Takeda, Astra Zeneca, Amgen   Foundations   CHDI, Gates Foundation   Government   NIH, LSDF   Academic   Levy (Framingham)   Rosengren (Lund)   Krauss (CHORI)   Federation   Ideker, Califarno, Butte, Schadt 36
  • 37. Building Integrated Models RNA amplification Tumors Microarray hybirdization Tumors Gene Index “Standard” GWAS Approaches Profiling Approaches Identifies Causative DNA Variation but Genome scale profiling provide correlates of disease provides NO mechanism   Many examples BUT what is cause and effect?   Provide unbiased view of molecular physiology as it relates to disease phenotypes trait   Insights on mechanism   Provide causal relationships and allows predictions 37 “Integrated” Genetics Approaches
  • 38. Methods for Integration of Genotypic, Gene Expression & Clinical Data Schadt et al. Nature Genetics 37: 710 (2005) Millstein et al. BMC Genetics 10: 23 (2009) “Global Coherent Datasets” •  population based •  100s-1000s individuals Chen et al. Nature 452:429 (2008) Zhu et al. Cytogenet Genome Res. 105:363 (2004) Zhang & Horvath. Stat.Appl.Genet.Mol.Biol. 4: article 17 (2005) Zhu et al. PLoS Comput. Biol. 3: e69 (2007) 38
  • 39. Bayesian Networks Bayesian Networks (does Gene A control Gene B?) •  Captures the stochastic nature of biological system •  Probability based •  Can include priors such as causality information •  PREDICTIVE: CAN be used to predict outcomes or perturbations 39
  • 40. Bin Zhang Integration of Multiple Networks for Jun Zhu Pathway and Target Identification CNV Data Gene Expression Clinical Traits Co-Expression Bayesian Network Network Integration of Coexp. & Bayesian Networks 40 Key Driver Analysis 40
  • 41. Bin Zhang Key Driver Analysis Jun Zhu Justin Guinney http://sagebase.org/research/tools.php 41
  • 42. Justin Guinney Gene Set Variation Analysis (GSVA) Sonja Haenzelmann ! *#$ %%"! ! ! ! % '%! $! !%&+ %& & % ! ! Meta-pathways * * # %'$ * ' "!%&$' & &$ * % # * ! & & % ( & "! " & $ ! " ) ! % & ! %&"$ % "$ % $" , $" ! % % % '! ! ! % %' % ! % &% % !% % % Pathway CNV Cross-tissue Pathway Clustering Pathways 42
  • 43. Bin Zhang Model of Breast Cancer: Co-expression Xudong Dai Jun Zhu A) Miller 159 samples B) Christos 189 samples NKI: N Engl J Med. 2002 Dec 19;347(25):1999. Wang: Lancet. 2005 Feb 19-25;365(9460):671. Miller: Breast Cancer Res. 2005;7(6):R953. Christos: J Natl Cancer Inst. 2006 15;98(4):262. C) NKI 295 samples E) Super modules Cell cycle Pre-mRNA ECM D) Wang 286 samples Blood vessel Immune response 43 Zhang B et al., Towards a global picture of breast cancer (manuscript).
  • 44. Bin Zhang Model of Breast Cancer: Integration Xudong Dai Jun Zhu Conserved Super-modules = predictive Breast Cancer Bayesian Network mRNA proc. Chromatin of survival Extract gene:gene relationships for selected super-modules from BN and define Key Drivers Pathways & Regulators (Key drivers=yellow; key drivers validated in siRNA screen=green) Cell Cycle (Blue) Chromatin Modification (Black) Pre-mRNA proc. (Brown) mRNA proc. (red) 44 Zhang B et al., Key Driver Analysis in Gene Networks (manuscript)
  • 45. Bin Zhang Model of Breast Cancer: Mining Xudong Dai Jun Zhu Co-expression sub-networks predict survival; KDA identifies drivers Co-expression modules Map to Bayesian Define Key Drivers correlate with survival Network 45
  • 46. Bin Zhang Model of Alzheimer’s Disease Jun Zhu AD normal AD normal AD normal Cell cycle http://sage.fhcrc.org/downloads/downloads.php
  • 47. Liver Cytochrome P450 Regulatory Network Xia Yang Bin Zhang Models Jun Zhu http://sage.fhcrc.org/downloads/downloads.php Regulators of P450 network 47 Yang et al. Systematic genetic and genomic analysis of cytochrome P450 enzyme activities in human liver. 2010. Genome Research 20:1020.
  • 48. Anders New Type II Diabetes Disease Models Rosengren Global expression data 340 genes in islet-specific from 64 human islet donors open chromatin regions Blue module: 3000 genes Associated with Type 2 diabetes Elevated HbA1c Reduced insulin secretion 168 overlapping genes, which have •  Higher connectivity •  Markedly stronger association with •  Type 2 diabetes •  Elevated HbA1c •  Reduced insulin secretion •  Enrichment for beta-cell transcription factors and exocytotic proteins 48
  • 49. New Type II Diabetes Disease Models Anders Rosengren •  Search across 1300 datasets in MetaGEO at Sage for similar expression profiles Top hit: Islet dedifferentiation study where the 168 genes were upregulated in mature islets and downregulated in dedifferentiated islets (Kutlu et al., Phys Gen 2009) •  Analyses of expression-SNPs and clinical SNPs as well as Causal Inference Test •  Identification of candidate key genes affecting beta-cell differentiation and chromatin Working hypothesis: Normal beta-cell: open chromatin in islet-specific regions, high expression of beta-cell transcription factors, differentiated beta-cells and normal insulin secretion Diabetic beta-cell: lower expression of beta-cell transcription factors affecting the identified module, dedifferentiation, reduced insulin secretion and hyperglycemia Next steps: Validation of hypothesis and suggested key genes in human islets 49
  • 50. Brig Mecham Validating Prostate Cancer Models Xudong Dai Pete Nelson Rich Klingoffer classification Gene Expression Data on >1000 prostate cancer samples (GEO) CNV Gene Expression & CNV Data Data ~200 prostate cancers Gene Expression (Taylor et al) Clinical Traits Co-Expression Bayesian Network Network Integration of Coexp. & Gene Expression & CNV Bayesian Networks 50 Data ~120 rapid autopsy Mets (Nelson) Key Driver Analysis Integrated network analysis Gene Expression & CNV Data ~30 prostate Key Drivers Matched to xenografts Xenografts for validations (Nelson) with Presage Technology siRNA Screen Data (Nelson) 50
  • 51. Lara Mangravite Systems biology approach to pharmacogenomics Ron Krauss Molecular simvastatin response Integrative Genomic Analysis Ongoing: Cellular validation of novel genes and SNPs involved in statin efficacy and cellular cholesterol homeostasis Clinical simvastatin response 100 -41 % 80 60 40 20 0 -100 -80 -60 -40 -20 0 20 Percent change LDLC Simon et al, Am J Cardiol 2006 51
  • 52. Examples: The Sage Non-Responder Project in Cancer •  To identify Non-Responders to approved drug regimens so Purpose: we can improve outcomes, spare patients unnecessary toxicities from treatments that have no benefit to them, and reduce healthcare costs Leadership: •  Co-Chairs Stephen Friend, Todd Golub, Charles Sawyers & Rich Schilsky Initial •  AML (at first relapse) Studies: •  Non-Small Cell Lung Cancer •  Ovarian Cancer (at first relapse) •  Breast Cancer •  Renal Cell •  Multiple Myeloma Sage Bionetworks • Non-Responder Project
  • 53. Clinical Trial Comparator Arm Partnership (CTCAP)   Description: Collate, Annotate, Curate and Host Clinical Trial Data with Genomic Information from the Comparator Arms of Industry and Foundation Sponsored Clinical Trials: Building a Site for Sharing Data and Models to evolve better Disease Maps.   Public-Private Partnership of leading pharmaceutical companies, clinical trial groups and researchers.   Neutral Conveners: Sage Bionetworks and Genetic Alliance [nonprofits].   Initiative to share existing trial data (molecular and clinical) from non-proprietary comparator and placebo arms to create powerful new tool for drug development.
  • 54. CTCAP Workstreams Uncurated GCD Curated GCD •  Single common identifier to link datatypes •  Gender mismatches removed Public Sage Domain GCDs Curated & QC! GCD d  Curated GCD •  Gene expression data corrected for batch effects, etc Uncurated GCD  Curated & QC’d GCD Collaborators Database GCDs (Sage)  Network Models •  Public • Collaboration Private •  Internal Co- Domain expression Public Databases Network  dbGAP GCDs Analysis Integrated Network Analysis Bayesian Network Analysis
  • 55. Examples: The Sage Federation •  Founding Lab Groups –  Seattle- Sage Bionetworks –  New York- Columbia: Andrea Califano –  Palo Alto- Stanford: Atul Butte –  San Diego- UCSD: Trey Ideker –  San Francisco: UCSF/Sage: Eric Schadt •  Initial Projects –  Aging –  Diabetes –  Warburg •  Goals: Share all datasets, tools, models Develop interoperability for human data
  • 56. Human Aging Project Data Transformations Machine Learning Brain A (n=363) Interactome Elastic Net Brain B (n=145) Brain C TF Activity Profile Age (n=400) Network Prior Model Models Blood A (n=~1000) Gene Set / Pathway Variation Analysis Blood B Tree Classifiers (n=~1000) Adipose (n=~700)
  • 57. Preliminary Results Adipose Age Prediction multivariate logistic regression model predicting age in human adipose data Master Regulator Analysis (MARINa) from Califano's lab.
  • 58. Warburg Effect Studied by the Federation s Genome- wide Network and Modeling Approach Warburg effect: the association of aerobic glycolysis, an inefficient way for ATP generation, with cancer cell and their progression. Linked with rapidly dividing cells. Two Key Questions: 1.  Are cancer cells genetically decoupled from the altered metabolism that is seen in rapidly dividing cells? 2.  Is there evidence that cancer outcomes are associated with altered metabolic circuits?
  • 59. Federation! Genome-wide Network and Modeling s Approach Califano group at Columbia Sage Bionetworks Butte group at Stanford
  • 60. Characterizing Pattern of Glycolysis Genes in both Tumor and Normal Tissues of the Matched Origin Andy Beck! approach (Butte Lab) s Reannotated Expression Database from GEO and other depositary Chen R.. et al (2007) Nature Method 4:879 Thirty-three glycolysis Query expression of 33 genes genes from KEGG Pathway from 11 tumor and normal and literatures tissues From matched origin Frequency of 27 glycolysis genes differentially expressed in normal and tumor profiles among the 11 selected tissues are compared
  • 61. Deriving Master Regulators from Transcription Factors Regulatory Networks Glycolysis & Glycogenesis Metabolism Pathway
  • 62. Inferred Transcriptional Factors Regulating GGMSE in Tumors from Variety of Tissues
  • 63. Inferring Prostate Cancer Regulatory Modules for Glycolysis &Glycogenesis Metabolism Pathway Sage bionetworks approach Prostate cancer global coherent data set (GSE21032) Taylor BS. et al (2010) Cancer Cell 18(1):11-22 Integrated Bayesian Approach Zhu J. et al (2008) Nature Genetics 40(7): 854-61 Glycolysis and Inferred Transcriptional Glycogenesis Metablism Regulatory Network in Prostate Gene Set (GGMSE) Cancer Cox Proportional-Hazards Prostate Cancer Regulatory Regression model based on Modules for GGMSE and Other individual gene for recurrence free Metabolism Pathways survival Duarte N. et al (2006) PNAS 107(6):1777-1782 Metabolism pathways with regulatory modules enriched by poor prognosis genes for prostate cancer
  • 64. Genes Associated with Poor Prognosis are disproportionally found among the networks regulating the "glycolysis# Genes P-Value<0.005 Size of the node proportional to -log10 P value for recurrence free survival. Inferred regulatory module for GGMSE Inferred regulatory module for Oxidative Phosphorylation and Sphingolipid >5 fold enrichment of recurrence free prognostic genes with Metabolism genes the Glycolysis BN module than random selection (p<1e-100)
  • 65. THE FEDERATION Butte Califano Friend Ideker Schadt vs
  • 66. Sage Bionetworks 22 publications in last year
  • 67. Reproducible science==shareable science Sweave: combines programmatic analysis with narrative Dynamic generation of statistical reports using literate data analysis Sweave.Friedrich Leisch. Sweave: Dynamic generation of statistical reports using literate data analysis. In Wolfgang Härdle and Bernd Rönz,editors, Compstat 2002 – Proceedings in Computational Statistics,pages 575-580. Physica Verlag, Heidelberg, 2002. ISBN 3-7908-1517-9
  • 68. Federated Aging Project : Combining analysis + narrative =Sweave Vignette Sage Lab R code + PDF(plots + text + code snippets) narrative HTML Data objects Califano Lab Ideker Lab Submitted Paper Shared Data JIRA: Source code repository & wiki Repository
  • 69. Evolution of a Software Project
  • 70. Evolution of a Biology Project
  • 71. Software Tools Support Collaboration
  • 72. Biology Tools Support Collaboration
  • 74. A Platform Node for Modelling
  • 76. M ODE LS PILOTS E ANC ERN GOV
  • 77. E A Compute Engaged Public Platform GOV D M B ODE ERN Enabling Map Building LS ANC Sharing E PILOTS C The Federation
  • 79.
  • 81. Entry points Pioneer targets - genomic/ genetic - disease networks - academic partners - private partners - SAGE, SGC, Lead Lead Preclinical Phase I Phase II identification optimisation Assay in vitro probe Lead Clinical Phase I Phase II candidate asset asset Early Discovery
  • 82. Reagents and publications will facilitate collaboration, more leveraged funds, improved disease maps and target discovery Clinical Phase I Phase II Lead candidate asset asset POCM in vitro in vivo probe probe Lead Lead Preclinical Phase I Phase II identification optimisation Efficacy Efficacy ADME, Human Efficacy in cellular in in vivo toxicology safety & in patients assays “disease” tolerability models
  • 83. BETTER MAPS OF DISEASE USING DATA INTENSIVE SCIENCE NOT JUST WHAT WE DO BUT HOW WE DO IT POWER OF BUILDING A PRE-COMPETITIVE COMMONS FOR EVOLVING GENERATIVE MODELS OF DISEASE USING A PUBLIC PRIVATE PARTNERSHIP
  • 84.
  • 85. Who will build the datasets/ models capable of providing powerful safety and efficacy insights? Academia PHARMA PIs NETWORK PLATFORM Therapy Post Docs Areas Grad Scientists Students Patients Physicians Citizens “Knowledge Expert”