| PACO2 | partial pressure of carbon dioxide in alveolar gas |
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| RGC | radio-gas chromatography; remnant gastric cancer; retinal ganglion cell; right giant cell |
| RGE | relative gas expansion |
| SAO2 | oxygen saturation in alveolar gas |
| STPD | a volume of gas at standard temperature and pressure that contains no water vapor |
| angiotensin-converting enzyme secretase | <enzyme> Converts ace from a membrane-bound to a soluble form; not inhibited by thiol, serine or acid enzyme inhibitor but is inhibited by edta and 1,10-phenanthroline Registry number: EC 3.4.99.- Synonym: ace secretase (26 Jun 1999) |
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| Antibody Directed Enzyme Prodrug Therapy | <pharmacology> A method for targeting a drug to a specific tissue, in which the targeting agent and the drug are administered separately. The drug is designed to be inactive (a prodrug) until it is converted by an enzyme, which is the targeting agent. The enzyme is coupled to an antibody that directs it to the tissue of interest. When the enzyme arrives at the tissue, the prodrug is activated only at that site, sparing other tissues from potentially toxic side effects. Acronym: ADEPT (14 Nov 1997) |
| antitumour enzyme | <enzyme> An enzyme that stimulates the degradation of a particular metabolite that cannot be synthesised by tumour cells, inhibits the synthesis of a metabolite needed by tumour cells, or inhibits tumour-specific DNA utilization; e.g., asparaginase. (05 Mar 2000) |
| autolytic enzyme | <enzyme> An enzyme capable of causing lysis of the cell forming it. (05 Mar 2000) |
| beta-carotene cleavage enzyme | <enzyme> An enzyme catalyzing the reaction of beta-carotene plus O2 producing two retinals. Synonym: beta-carotene cleavage enzyme, carotenase, carotinase. (05 Mar 2000) |
| branching enzyme | 1,4-alpha-d-glucan branching enzyme |
| cardiac enzyme | <biochemistry> A group of enzymes found normally in heart tissue. Cardiac enzymes are released into the blood stream in increased concentration when the heart muscle becomes damaged. Examples include SGOT, CPK-MB and LDH. (27 Sep 1997) |
| pancreatic enzyme | <biochemistry> One of the proteins made by the pancreas that aid digestion of fats, carbohydrates and proteins. (09 Oct 1997) |
| malate-condensing enzyme | <enzyme> An important enzyme in the glyoxylic acid cycle which reversibly catalyses the synthesis of l-malate from acetyl-CoA and glyoxylate. Chemical name: L-Malate glyoxylate-lyase (CoA-acetylating) Registry number: EC 4.1.3.2 (12 Dec 1998) |
| malic enzyme | <enzyme> An enzyme that catalyses the conversion of (s)-malate and NAD+ to oxaloacetate and NADH. Chemical name: (S)-Malate:NAD+ oxidoreductase Registry number: EC 1.1.1.37 (12 Dec 1998) |
| pantoate-activating enzyme | pantothenate synthetase |
| marker enzyme | <enzyme> An enzyme that is used to identify a specific cell type, cell organelle, or cell component. (05 Mar 2000) |
| reducing enzyme | <enzyme> An enzyme that catalyses a reduction; since all enzymes catalyze reactions in either direction, any reductase can, under the proper conditions, behave as an oxidase and vice versa, hence the term oxidoreductase. For individual reductase's, see the specific names. Synonym: reducing enzyme. (05 Mar 2000) |
| regulatory enzyme | <biochemistry> An enzyme that regulatescertain functions due to its ability to undergoa change in its catalytic activity through modification of its structure. (09 Oct 1997) |
| relaxing enzyme | <biochemistry> Any of several enzymes, such ashelicase, that unwind DNA prior to its replication. (09 Oct 1997) |