autoimmunity (redirected from Autoantigens)

autoimmunity /au·to·im·mu·ni·ty/ (-ĭ-mu´nĭ-te) a condition characterized by a specific humoral or cell-mediated immune response against the constituents of the body's own tissues (autoantigens); it may result in hypersensitivity reactions or, if severe, in autoimmune disease.

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Autoimmunity

A condition in which the body's immune system produces antibodies in response to its own tissues or blood components instead of foreign particles or microorganisms.

Mentioned in: AIDS, Hypoparathyroidism

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autoimmunity

[-imyo̅o̅′nitē]

an abnormal condition in which the body reacts against constituents of its own tissues. Autoimmunity may result in hypersensitivity and autoimmune disease. Also called acute immune disease. See also antibody-specific model, autoantibody, autoantigen, autoimmune disease.

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autoimmunity,

n abnormal immune response where the body attacks its own tissue constituents. Also called
acute immune disease.

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autoimmunity

a condition which may result in autoimmune disease.

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autoimmunity

Self immunity Immunology The reaction of an organism's immune system to self antigens as if they were non-self or foreign; like alloimmunity, autoimmunity is characterized by the activation of T cells, clonal expansion, and antibody production. See Anti-nuclear antibodies, Anti-receptor antibodies, Clonal anergy, Superantigen.