In this article we will discuss about the historical perspectives and types of immunity. Historical Perspectives of Immunity: The phenomenon of immunity (Latin immunis means 'exempt') can be traced back to Thucydides, the great historian of Peloponnesian War. In 430 BC he wrote that a plague spread in Athens, only those could nurse the sick who recovered from the plague [...]
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, [...]