- homologous antigen
- 1. the antigen that induces the formation of an antibody. 2. isoantigen.
Medical dictionary. 2011.
homologous antigen
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Homologous — The relationship between two chromosomes that are paired and so are homologs of each other. * * * Corresponding or alike in certain critical attributes. 1. In biology or zoology, denoting organs or parts corresponding in evolutionary origin and… … Medical dictionary
Antigen — Each antibody binds to a specific antigen; an interaction similar to a lock and key. An antigen is a foreign molecule that, when introduced into the body, triggers the production of an antibody by the immune system. The immune system will then… … Wikipedia
homologous — /heuh mol euh geuhs, hoh /, adj. 1. having the same or a similar relation; corresponding, as in relative position or structure. 2. corresponding in structure and in origin, but not necessarily in function: The wing of a bird and the foreleg of a… … Universalium
antigen-antibody reaction — the reversible binding of antigen to homologous antibody brought about by the formation of weak bonds between antigenic determinants on antigen molecules and antigen binding sites on immunoglobulin molecules. Certain effects, e.g., precipitation… … Medical dictionary
antigen — Any substance that, as a result of coming in contact with appropriate cells, induces a state of sensitivity and/or immune responsiveness after a latent period (days to weeks) and that reacts in a demonstrable way with antibodies and/or immune… … Medical dictionary
homologous — ho•mol•o•gous [[t]həˈmɒl ə gəs, hoʊ [/t]] adj. 1) having the same or a similar relation; corresponding, as in relative position or structure 2) bio tax bio corresponding in structure and in evolutionary origin but not necessarily in function, as… … From formal English to slang
heterologous antigen — an antigen that reacts with an antibody that is not the one (the homologous antigen) that induced its formation … Medical dictionary
Non-homologous end joining — (NHEJ) is a pathway that repairs double strand breaks in DNA. NHEJ is referred to as non homologous because the break ends are directly ligated without the need for a homologous template, in contrast to homologous recombination, which requires a… … Wikipedia
Proliferating cell nuclear antigen — The assembled human DNA clamp, a trimer of the protein PCNA … Wikipedia
Sjogren syndrome antigen B — (autoantigen La), also known as SSB, is a human gene.cite web | title = Entrez Gene: SSB Sjogren syndrome antigen B (autoantigen La)| url = http://www.ncbi.nlm.nih.gov/sites/entrez?Db=gene Cmd=ShowDetailView TermToSearch=6741| accessdate = ] PBB… … Wikipedia
