In this article we ill discus about the meaning and causes of autoimmunity. Meaning of Autoimmunity: In the beginning of 20th century, Paul Ehrlich, proposed the concept of 'horror auto-toxicus'. In such condition a 'normal' body does not mount an immune response against its own tissues. Thus, any autoimmune response perceived is abnormal which was supposed to be connected with [...]
The following points highlight the nine important antigen-antibody reactions. They are: 1. Precipitation Reactions 2. Immunodiffusion Test 3. Counter Current Immunoelectroptioresis Test 4. Agglutination Reactions 5. Complement Fixation Reactions 6. Neutralization Reactions 7. Radioimmunoassay 8. Enzyme-Linked Immunosorbent Assay 9. Fluorescent Antibody Technique. 1. Precipitation Reactions: The reaction of soluble antigens with IgG or IgM antibodies to form a large interlocking [...]
In this article we will discuss about:- 1. Definition of MHC Molecules 2. Classes of MHC Molecules 3. Structure 4. Function 5. Gene Regulation. Definition of MHC Molecule: The term histocompatible refers to the individuals who the same tissues i.e. identical twins. This term is used to determine how identical two unrelated individuals are. In case of two histocompatible individuals, [...]