immuno-08A

immuno-08A - Immunity Antigens are foreign macromolecules,...

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Immunity Antigens are foreign macromolecules, usually proteins, carbohydrates, and nucleic acids.
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The immune response is highly specific, distinguishes self from non-self and has memory Specificity and memory-once survive, always immune to the Ag
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The induction of specific immune responses involves specific irreversible differentiation clonal selection memory
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The immune system is self-tolerant Mechanisms of self-tolerance are under investigation. 1. The immune system eliminates clones that recognise antigens present during the period when the immune system became active. (clonal deletion) 2. Only T cells that have no self-recognition leave the thymus. Autoimmune diseases: myasthenia gravis-make antibodies against acetylcholine receptors. systemis lupus erythematosis-antibodies against RNPs and DNA. rheumatoid arthritis-antibodies against connective tissues in joints. multiple sclerosis-antibodies against myelin insulation of nerve fibers.
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Classes of Human Immunoglobulins Class Heavy Chain Light Chain Subunit Structure Mol. Mass (kDa)
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immuno-08A - Immunity Antigens are foreign macromolecules,...

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