A-Antigen steht für folgende Antigene:

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  • SS-A antigen — a ribonucleoprotein extractable nuclear antigen; see also anti–SS A antibody, under antibody …   Medical dictionary

  • A — Ⅰ. A [1] (also a) ► NOUN (pl. As or A s) 1) the first letter of the alphabet. 2) denoting the first, best, or most important in a set. 3) Music the sixth note of the diatonic scale of C major. 4) …   English terms dictionary

  • A — A1 (also a) noun (plural As or A s) 1》 the first letter of the alphabet. 2》 denoting the first, best, or most important in a set. 3》 Music the sixth note of the diatonic scale of C major, having a standard frequency of 440 Hz. 4》 the human blood… …   English new terms dictionary

  • Antigen presentation — is a process in the body s immune system by which macrophages, dendritic cells and other cell types capture antigens and then enable their recognition by T cells. NOTOC The basis of adaptive immunity lies in the capacity of immune cells to… …   Wikipedia

  • Antigen processing — is a biological process that prepares antigens for presentation to special cells of the immune system called T lymphocytes. This process involves two distinct pathways for processing of antigens from an organism s own (self) proteins or… …   Wikipedia

  • antigen — ANTIGÉN s.n. Substanţă de natură proteică, determinând, la introducerea în organism, apariţia unui anticorp. – Din fr. antigène. Trimis de ana zecheru, 13.09.2007. Sursa: DEX 98  antigén s. n., pl. antigéne Trimis de siveco, 26.05.2005. Sursa:… …   Dicționar Român

  • antigen capture assay — a method for identifying minute quantities of antigen in solution: large quantities of antibody against the desired antigen are fixed to a solid support matrix, over which the solution is passed. The antigen is retained by the matrix and can be… …   Medical dictionary

  • antigen-presenting cell — n any of various cells (as a macrophage or a B cell) that take up and process an antigen into a form that when displayed at the cell surface in combination with a molecule of the major histocompatibility complex is recognized by and serves to… …   Medical dictionary

  • antigen presenting cell — A cell that carries on its surface antigen bound to MCH Class I or Class II molecules, and presents the antigen in this context to T cells. Includes macrophages, endothelium, dendritic cells and Langerhans cells of the skin. See also MHC… …   Dictionary of molecular biology

  • antigen-specific T-cell helper factor — a soluble factor produced by helper T cells that activates other lymphocytes that are specific for the stimulating antigen; it may itself bind antigen …   Medical dictionary

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