antigenic specificity

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• Original antigenic sin — Original antigenic sin, also known as the Hoskins effect,[1] refers to the propensity of the body s immune system to preferentially utilize immunological memory based on a previous infection when a second slightly different version, of that… …   Wikipedia

• 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

• blood group — Med. any of various classes into which human blood can be divided according to immunological compatibility, based on the presence or absence of specific antigens on red blood cells. Also called blood type. Cf. ABO system, Rh factor. [1915 20] * * …   Universalium

• 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

• Immunostimulator — Immunostimulators are substances (drugs and nutrients) that stimulate the immune system by inducing activation or increasing activity of any of its components. One notable example include granulocyte macrophage colony stimulating factor,… …   Wikipedia

• Alfred Nisonoff — (1923 2001) was a 20th century chemist who helped to experimentally determine the molecular structure of the antibody, and, as a result, made major contributions to the field of immunology. Nisonoff’s monograph, “The Antibody Molecule,” was the… …   Wikipedia

• Stefan Ślopek — Infobox Scientist name = Stefan Ślopek image width = 250px caption = Stefan Ślopek birth date = birth date|1914|12|01 birth place = Skawa, Austria Hungary death date = death date and age|1995|8|22|1914|12|01|mf=y death place = Wrocław, Poland… …   Wikipedia

• Immunoglobulin — A protein produced by plasma cells and lymphocytes. Immunoglobulins are an essential part of the body s immune system which attach to foreign substances, such as bacteria, and assist in destroying them. Abbreviated Ig. The classes of… …   Medical dictionary

• Lipopolysaccharide — Structure of a lipopolysaccharide Lipopolysaccharides (LPS), also known as lipoglycans, are large molecules consisting of a lipid and a polysaccharide joined by a covalent bond; they are found in the outer membrane of Gram negative bacteria, act… …   Wikipedia

• idiotype — Collection of idiotopes within the variable region that confers on an immunoglobulin molecule an antigenic “individuality” and is frequently a unique attribute of a given antibody in a given animal. It is the product of a limited number of B… …   Medical dictionary

• sequential determinant — a polymeric antigenic determinant with antigenic specificity determined by monomer sequence rather than monomer composition …   Medical dictionary