41. Gene therapy It means modification of the genetic material of living cells This applies to genetically determined diseases but may also expanded to diseases that occur later in life
73. Types of Stem Cells Pluripotent Stem Cells: Can give rise to all different cell types in vitro . Multipotent Stem Cells: Can give rise to several cell types of a tissue or organ. Unipotent Stem Cells: consist of a single cell type only.
74.
75. Isolation of Embryonic Stem Cells Embryonic Stem cells Culture Inner Cell Mass BLASTOCYST 5-7 day old embryo
76. Differentiation of E.S.C. Using particular treatment regimes, embryonic stem cells can be made to differentiate into many types of cell. This is because they are pluripotent . Embryonic Stem Cells Liver Cells Muscle cells Skin cells