In this article we will discuss about the autoimmune and immunodeficiency disorders. Autoimmune Disorders: (i) Autoimmunity: A fundamental property of the immune system is its ability to recognize the body's own cells and the antigens present in them as self-antigens. Under normal conditions, the immune system does not attack self-antigens. This ability — tolerance, develops while the immune cells like [...]
The following points highlight the top five techniques used for detecting antigens in the serum. The techniques are: 1. Complement Fixation Test 2. Fluorescent Antibody Technique 3. Enzyme-Linked Immunosorbent Assay 4. Radioimmunoassay 5. Radioallergosorbent Test. Technique # 1. Complement Fixation Test: In a reaction between an antigen with its cognate antibody present in serum, the complement disappears from the serum [...]
The following points highlight the four important types of hypersensitivity. The types are: 1. Type I Hypersensitivity (Anaphylaxis) 2. Type II Hypersensitivity (Cytotoxic Hypersensitivity) 3. Type III Hypersensitivity 4. Type IV Hypersensitivity. 1. Type I Hypersensitivity (Anaphylaxis): This type of hypersensitivity is the most common among all the types. About 17% of the human population may be affected, probably due [...]