| insulin dependent diabetes | A form of diabetes that requires the daily injection of the hormone insulin to maintain normal body chemistry. Avoidance of insulin in these patients will result in a severe metabolic derangement known as diabetic ketoacidosis. (27 Sep 1997) |
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| insulin-dependent diabetes mellitus | A chronic condition in which the pancreas makes little or no insulin because the beta cells have been destroyed. The body is then not able to use the glucose (blood sugar) for energy. IDDM usually comes on abruptly, although the damage to the beta cells may begin much earlier. The signs of IDDM are a great thirst, hunger, a need to urinate often, and loss of weight. To treat the disease, the person must inject insulin, follow a diet plan, exercise daily, and test blood glucose several times a day. IDDM usually occurs in children and adults who are under age 30. This type of diabetes used to be known as juvenile diabetes, juvenile-onset diabetes, and ketosis-prone diabetes. (09 Oct 1997) |
| oxygen dependent killing | One of the most important bactericidal mechanisms of mammalian phagocytes involves the production of various toxic oxygen species (hydrogen peroxide, superoxide, singlet oxygen, hydroxyl radicals) through the metabolic burst. Although anaerobic killing is possible, the oxygen dependent mechanism is crucial for normal resistance to infection and a defect in this system is usually fatal within the first decade of life (chronic granulomatous disease). See: myeloperoxidase, chemiluminescence. (18 Nov 1997) |
| T-dependent antigen | An antigen that requires T helper cells in addition to appropriate B-cells. Most antigens are T-dependent. (05 Mar 2000) |
| thiol-dependent peroxidase | <enzyme> From giardia intestinalis, which lacks glutathione; enzyme can also act with exogenous glutathione Registry number: EC 1.11.1.- Synonym: glutathione-linked thiol peroxidase (26 Jun 1999) |
| thymus-dependent zone | <anatomy> Mid cortical region of lymph node, area that is particularly depleted of T lymphocytes in thymectomised animals and is referred to as the thymus dependent area. (18 Nov 1997) |
| 3-phosphoinositide-dependent protein kinase | <enzyme> Enzyme from rabbit skeletal muscle phosphorylates protein kinase b at thr308; activated by phosphatidylinositol 3,4,5-trisphosphate or phosphatidylinositol 3,4-bisphosphate Registry number: EC 2.7.10.- Synonym: pdk1 enzyme, ptdins(3,4,5)p3-dependent protein kinase-1 (26 Jun 1999) |
| 8-hydroxy-5-deazaflavin-dependent DNA photolyase | <enzyme> From anacystis nidulans; purified in streptomyces coelicolor; distinguish from folate-dependent DNA photolyase Registry number: EC 4.1.99.- Synonym: 8-hdfd-DNA photolyase (26 Jun 1999) |
| L-glyceraldehyde 3-phosphate-NADPH-dependent oxidoreductase | <enzyme> Converts l-glyceraldehyde 3-phosphate to sn-glycerol 3-phosphate; does not act on d-glyceraldehyde 3-phosphate or dihydroxyacetone phosphate Registry number: EC 1.1.1.- Synonym: l-gap oxidoreductase (26 Jun 1999) |
| light dependent reaction | The reaction taking place in the chloroplast in which the absorption of a photon leads to the formation of ATP and NADPH. (18 Nov 1997) |
| affinity antibody | The measure of the interaction between molecules such as a receptor and its ligand. This interaction is reversible. (05 Mar 2000) |
| agglutinating antibody | 1. An antibody that causes clumping or agglutination of the bacteria or other cells which either stimulated the formation of the agglutinin, or contain immunologically similar, reactive antigen. Synonym: agglutinating antibody, immune agglutinin. 2. A substance, other than a specific agglutinating antibody, that causes organic particles to agglutinate, commonly qualified, e.g., plant agglutinin. (05 Mar 2000) |
| anaphylactic antibody | Antibody that has an affinity for certain kinds of cells, in addition to and unrelated to its specific affinity for the antigen that induced it, because of the properties of the Fc portion of the heavy chain. See: heterocytotropic antibody, homocytotropic antibody, cytotropic antibody test. Synonym: anaphylactic antibody, cytophilic antibody. (05 Mar 2000) |
| anti-basement membrane antibody | Autoantibodies to renal glomerular basement membrane antigens. (05 Mar 2000) |
| antibody | An immunoglobulin molecule that has a specific amino acid sequence by virtue of which it interacts only with the antigen that induced its synthesis in cells of the lymphoid series (especially plasma cells) or with antigen closely related to it. Antibodies are classified according to their ode of action as agglutinins, bacteriolysins, haemolysins, opsonins, precipitins, etc. (18 Nov 1997) |