In immunology, an antigen (Ag) is a molecule, moiety, foreign particulate matter, or an allergen, such as pollen, that can bind to a specific antibody...
20 KB (2,435 words) - 23:07, 19 August 2024
Rh blood group system (redirect from Rhesus antigen)
someone who is A+ has the A antigen and Rh(D) antigen, whereas someone who is A− has the A antigen but lacks the Rh(D) antigen). The terms Rh factor, Rh...
52 KB (5,610 words) - 06:40, 14 August 2024
Antibody (redirect from Receptors, antigen, b-cell)
specific antigens. Antigen literally means "antibody generator", as it is the presence of an antigen that drives the formation of an antigen-specific...
118 KB (13,287 words) - 12:29, 5 August 2024
Blood type (redirect from Red cell antigens)
absence of antibodies and inherited antigenic substances on the surface of red blood cells (RBCs). These antigens may be proteins, carbohydrates, glycoproteins...
58 KB (6,451 words) - 08:29, 14 July 2024
An antigen-presenting cell (APC) or accessory cell is a cell that displays an antigen bound by major histocompatibility complex (MHC) proteins on its surface;...
16 KB (2,128 words) - 09:55, 4 March 2024
The human leukocyte antigen (HLA) system or complex of genes on chromosome 6 in humans which encode cell-surface proteins responsible for regulation of...
51 KB (5,941 words) - 20:20, 27 June 2024
Cytotoxic T cell (redirect from Cytotoxic T-lymphocyte–associated antigen 4)
cells express T-cell receptors (TCRs) that can recognize a specific antigen. An antigen is a molecule capable of stimulating an immune response and is often...
31 KB (3,843 words) - 10:18, 12 August 2024
ELISA (redirect from Antigen testing)
antigens from the sample to be tested are attached to a surface. Then, a matching antibody is applied over the surface so it can bind the antigen. This...
37 KB (4,786 words) - 04:41, 24 June 2024
Carcinoembryonic antigen (CEA) describes a set of highly-related glycoproteins involved in cell adhesion. CEA is normally produced in gastrointestinal...
17 KB (1,723 words) - 19:44, 30 June 2024
HLA-B27 (redirect from Hla-b27 antigen)
Human leukocyte antigen (HLA) B27 (subtypes B*2701-2759) is a class I surface molecule encoded by the B locus in the major histocompatibility complex...
16 KB (1,516 words) - 21:33, 12 August 2024