Antibody that reacts with an antigen that is a normal component of the body. Obviously this can lead to some problems, and autoimmunity has been proposed as a causative factor in a number of diseases such as rheumatoid arthritis. See also systemic lupus erythematosus, Hashimoto\'s thyroiditis, myasthenia gravis.
Dictionary of molecular biology. 2004.
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autoantibody — [ôt΄ō an′ti bäd΄ē] n. pl. autoantibodies an antibody that acts against the body s own molecules and tissues and may cause an autoimmune disorder … English World dictionary
Autoantibody — An autoantibody is an antibody (a type of protein) manufactured by the immune system that is directed against one or more of the individual s own proteins. Many autoimmune diseases in humans, most notably lupus erythematosus, are caused by such… … Wikipedia
autoantibody — /aw toh an ti bod ee, an tee /, n., pl. autoantibodies. Immunol. an antibody that an organism produces against any of its own tissues, cells, or cell components. [1905 10; AUTO 1 + ANTIBODY] * * * ▪ immunity harmful antibody that attacks… … Universalium
autoantibody — noun Date: circa 1910 an antibody active against a tissue constituent of the individual producing it … New Collegiate Dictionary
autoantibody — noun An antibody formed in response to an agent (autoantigen) produced by the organism itself … Wiktionary
autoantibody — Antibody occurring in response to antigenic constituents of the host s tissue against self antigen, and which reacts with the inciting tissue component. antiidiotype a. SYN: idiotype a..antiidiotype antibody. cold a. an a. that reacts at… … Medical dictionary
autoantibody — noun (plural autoantibodies) Physiology an antibody produced by an organism in response to a constituent of its own tissues … English new terms dictionary
autoantibody — au·to·antibody … English syllables
autoantibody — n. an antibody formed against one of the body s own components in an autoimmune disease … The new mediacal dictionary
autoantibody — au•to•an•ti•bod•y [[t]ˌɔ toʊˈæn tɪˌbɒd i, ˈæn ti [/t]] n. pl. bod•ies imu an antibody that an organism produces against any of its own components • Etymology: 1905–10 … From formal English to slang