antibody to Sm antigen

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• Antibody — Immunoglobulin redirects here. For the immunoglobulin family, see Immunoglobulin superfamily. Antibodies redirects here. For the film, see Antibodies (film). Each antibody binds to a specific antigen; an interaction similar to a lock and key. An… …   Wikipedia

• antigen-antibody complex — the complex formed by the noncovalent binding of an antibody and an antigen. Complexes of antibodies belonging to certain immunoglobulin classes may activate complement. Antigen antibody complexes are mediators of Type III immune responses… …   Medical dictionary

• antibody screening — a method of determining the presence and amount of anti HLA antibodies in the serum of a potential allograft recipient: aliquots of the recipient s serum are mixed with a panel of leukocytes from well characterized cell donors and complement is… …   Medical dictionary

• Antibody — An ti*bod y ([a^]n t[i^]*b[o^]d [y^]), n. 1. (Med., Physiol. Chem.) Any of various bodies or substances in the blood which act in antagonism to harmful foreign bodies, as toxins or the bacteria producing the toxins. Normal blood serum apparently… …   The Collaborative International Dictionary of English

• Antibody opsonization — is the process by which a pathogen is marked for ingestion and destruction by a phagocyte. Opsonization involves the binding of an opsonin, i.e., antibody, to a receptor on the pathogen s cell membrane [ [http://cancerweb.ncl.ac.uk/cgi… …   Wikipedia

• Antibody dependent enhancement — (ADE) occurs when antiviral antibodies enhance viral entry into host cells, leading to increased infectivity in the host cells. ADE in dengue feverThe most common example of ADE occurs during dengue infection. There are four serotypes of the… …   Wikipedia

• antigen — (n.) substance that causes production of an antibody, 1908, from Ger. Antigen, from Fr. antigène (1899), from anti (see ANTI (Cf. anti )) + Gk. gen (see GEN (Cf. gen)) …   Etymology dictionary

• antibody — ► NOUN (pl. antibodies) ▪ a protein produced in the blood to counteract an antigen …   English terms dictionary

• antibody — ☆ antibody [an′ti bäd΄ē, an′təbäd΄ē ] n. pl. antibodies a specialized protein produced by certain lymphocytes, esp. in response to the presence of an antigen, to neutralize, thus creating immunity to, specific antigens; immunoglobulin …   English World 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

• antibody — /an ti bod ee/, n., pl. antibodies. 1. any of numerous Y shaped protein molecules produced by B cells as a primary immune defense, each molecule and its clones having a unique binding site that can combine with the complementary site of a foreign …   Universalium