2. Allergy
Transplant Rejection
Immune Deficiencies
Autoimmune Diseases

3. » Sometimes called
hypersensitivity.
» Caused by immune
responses to some
antigens.

4.  Caused by humoral
immune mechanisms.
Symtoms:
Runny nose
Watery eyes
sneezing

5.  Cell mediated
 Inflammation of the body tissue

6. The immune system recognizes and attacks
anything different from the substances normally
present within an individual, even substances that
are only slightly different, such as transplanted
tissues and organs.

7. INHERITED
DiGeorge syndrome
no thymus
cannot produce mature T lymphocytes
Severe combined immunodificiency (SCID)
completely lack both T & B lymphocytes

8. ACQUIRED
Radiation therapy
reduce lymphocytes production
Human Immunodeficiency (HIV)
Immunodeficiency syndrome (AIDS)
highly susceptible to all infectious agents

9. Autoimmunity is the immune response of the body
turned against its own cells and tissues.
example
Type 1 diabetes – body cannot use sugars
myasthenia gravis – weakness & paralysis
rheumatic fever – permanent heart damage
Systemic Lupus Erythematosus