| AChRs | Acetylcholine Receptors |
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| RA | radioactive; ragocyte; ragweed antigen; rapidly adapting [receptors]; reactive arthritis; reciprocal... |
| GH | Growth Hormone = Somatotropin |
| SRIF | Somatotropin Release-Inhibitory Factor = Somatostatin |
| HCS | Hajdu-Cheney syndrome; Hazard Communication Standard; health care support; hourglass contraction of ... |
| BST | Bovine somatotropin |
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| pST | Porcine somatotropin |
| rBST | Recombinant bovine somatotropin |
| ST | Somatotropin |
| SRIF | Somatotropin Release Inhibiting Factor |
| receptors, somatotropin | Cell surface proteins that bind somatotropin with high affinity and trigger intracellular changes influencing the behaviour of cells. Activation of growth hormone receptors regulates amino acid transport through cell membranes, RNA translation to protein, DNA transcription, and protein and amino acid catabolism in many cell types. Many of these effects are mediated indirectly through stimulation of the release of somatomedins. (12 Dec 1998) |
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| bovine somatotropin | <protein> A growth hormone found incattle, a version of this hormone is also foundin all mammals, including humans. Injections of this hormonedramatically increase the milk production of lactating cows. In pastyears, the hormone was very expensive because it could only be taken from slaughtered cows, but in the early '90s researchers learned how to geneticallyengineered the bacterium E. Coli to produce it. Now, many dairy producers use the hormone, but the practice is controversial because the use of bST may increase the incidence of mastitis (udder infection) in cows, and the long-termhuman health effects of the slightly increased hormone levels in themilk from treated cows have not been established. See: porcine somatotrophin. (09 Oct 1997) |
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| porcine somatotropin | <protein> A growth hormone found inpigs, injections of or implants containing thishormone cause pigs over 100 pounds to gain more muscle and less fat. Previously the hormone was very expensive because it could only be taken from the pituitary glands of slaughtered pigs, but in the early '90s researchers learned how to genetically engineered the bacterium E. Coli to produce it. The FDA has not yet approved this hormone for use. See: bovine somatotrophin. (09 Oct 1997) |
| somatotropin | <protein> Hormone (191 amino acids) released by anterior pituitary that stimulates release of somatomedin, thereby causing growth. (18 Nov 1997) |
| somatotropin release-inhibiting factor | <protein> Gastrointestinal and hypothalmic peptide hormone (two forms: 14 and 28 residues), found in gastric mucosa, pancreatic islets, nerves of the gastrointestinal tract, in posterior pituitary and in the central nervous system. Inhibits gastric secretion and motility: in hypothalamus/pituitary inhibits somatotropin release. (18 Nov 1997) |
| somatotropin release-inhibiting hormone | <protein> Gastrointestinal and hypothalmic peptide hormone (two forms: 14 and 28 residues), found in gastric mucosa, pancreatic islets, nerves of the gastrointestinal tract, in posterior pituitary and in the central nervous system. Inhibits gastric secretion and motility: in hypothalamus/pituitary inhibits somatotropin release. (18 Nov 1997) |
| somatotropin-releasing factor | A decapeptide released by the hypothalamus, which induces the release of human growth hormone (somatotropin). Synonym: growth hormone-releasing factor, growth hormone-releasing hormone, somatotropin-releasing factor, somatotropin-releasing hormone. Origin: somatotropin + L. Libero, to free, + -in (05 Mar 2000) |
| somatotropin-releasing hormone | <chemical> Hypothalamic peptide that regulates the synthesis and secretion of somatotropin in the anterior pituitary gland. Chemical name: Somatoliberin (12 Dec 1998) |
| adrenergic receptors | Reactive components of effector tissues, most of which are innervated by adrenergic postganglionic fibres of the sympathetic nervous system. Such receptor's can be activated by norepinephrine and/or epinephrine and by various adrenergic drugs; receptor activation results in a change in effector tissue function, such as contraction of arteriolar muscles or relaxation of bronchial muscles; adrenergic receptor's are divided into alpha-receptor's and beta-receptor's, on the basis of their response to various adrenergic activating and blocking agents. Synonym: adrenoceptor, adrenoreceptors. (05 Mar 2000) |
| alpha-adrenergic receptors | Adrenergic receptor's in effector tissues capable of selective activation and blockade by drugs; conceptually derived from the ability of certain agents, such as phenoxybenzamine, to block only some adrenergic receptor's and of other agents, such as methoxamine, to activate only the same adrenergic receptor's. Such receptor's are designated as alpha-receptors. Their activation results in physiological responses such as increased peripheral vascular resistance, mydriasis, and contraction of pilomotor muscles. (05 Mar 2000) |
| ANP clearance receptors | Cell surface proteins that bind atrial natriuretic peptide and ANP fragments without initiating biological action. (05 Mar 2000) |
| ANP receptors | Cell surface receptors for atrial natriuretic peptide that have a single transmembrane spanning element; these have integral kinase and guanylate cyclase domains. (05 Mar 2000) |
| B-cell antigen receptors | In the primary immune response immunoglobulin D and monomeric immunoglobulin M are the B-cell antigen receptors. On memory B-cells, other immunoglobulin molecules can serve as antigen receptors. (05 Mar 2000) |
| beta-adrenergic receptors | Adrenergic receptor's in effector tissues capable of selective activation and blockade by drugs; conceptually derived from the ability of certain agents, such as propranolol, to block only some adrenergic receptor's and of other agents, such as isoproterenol, to activate only the same adrenergic receptor's. Such receptor's are designated as beta-receptors. Their activation results in physiological responses such as increases in cardiac rate and force of contraction (b1), and relaxation of bronchial and vascular smooth muscle (b2). (05 Mar 2000) |
| mannose-6-phosphate receptors | Receptors in Golgi apparatus to which newly synthesised proteins that are destined to enter lysosomes bind. (05 Mar 2000) |
| receptors, adrenergic | Cell-surface proteins that bind epinephrine and/or norepinephrine with high affinity and trigger intracellular changes. The two major classes of adrenergic receptors, alpha and beta, were originally discriminated based on their cellular actions but now are distinguished by their relative affinity for characteristic synthetic ligands. Adrenergic receptors may also be classified according to the subtypes of g-proteins with which they bind; this scheme does not respect the alpha-beta distinction. (12 Dec 1998) |
Synonyms : Growth Hormone Receptor, Receptor, Growth Hormone, Receptors, Somatomammotropin, Somatomammotropin Receptor, Somatotropin Receptor, Hormone Receptor, Growth, Hormone Receptors, Growth
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