| misc | miscarriage; miscellaneous |
|---|---|
| HTLF | human T-cell leukemia virus enhancer factor |
| TEF | thermic effect of food; thyrotroph embryonic factor; tracheoesophageal fistula; transcriptional enha... |
| TFE | polytetrafluoroethylene; transcription factor for immunoglobulin heavy chain enhancer |
| ACE | Angiotensin Converting Enzyme = Kininase II = Dipeptidyl Carboxypepti... |
| ACE-I | ACE inhibitor |
|---|---|
| AOT | Aerosol OT |
| BDA | Beclomethasone dipropionate aerosol |
| ACE | ANG I converting enzyme |
| ACE | ANGIOTENSIN CONVERTING ENZYME |
isopter (µî °¨µµ¼±, µî ½Ã·Â¼±
| aerosol | <pharmacology> A suspension or dispersion of fine particles of a solid or liquid in a gas which can be atomised into a fine mist for inhalation therapy. Often colloids with a gaseous dispersing phase and either liquid (fog) or solid (smoke) dispersed phase; used in fumigation or in inhalation therapy; may contain propellent agents. (25 Jun 1999) |
|---|---|
| aerosol generator | A device for producing airborne suspensions of small particles for inhalation therapy or experimental work; e.g., a La Mer generator, spinning disk, or vibrating reed, each of which produces a monodisperse aerosol. (05 Mar 2000) |
| aerosol propellant | <chemistry> Compressed gases or vapors in a container which, upon release of pressure and expansion through a valve, carry another substance from the container. They are used for cosmetics, household cleaners, and so on. Examples are butanes, carbon dioxide, fluorocarbons, nitrogen, and propane. (25 Jun 1999) |
| ACE | <enzyme> This hydrolase enzyme cleaves the decapeptide angiotensin I (biologically inactive) to form active angiotensin II by angiotensin-converting enzyme which removes a dipeptide (histidylleucine) from angiotensin I. Angiotensin II causes contraction of vascular smooth muscle and thus raises blood pressure and stimulates aldosterone release from the adrenal glands. Angiotensin is finally broken down by angiotensinases. Elevations in angiotensin converting enzyme are seen sarcoidosis, histoplasmosis, alcoholic cirrhosis, asbestosis, berylliosis, diabetes, Hodgkin's disease, hyperthyroidism, amyloidosis, primary biliary cirrhosis, idiopathic pulmonary fibrosis, pulmonary embolism, scleroderma, silicosis, tuberculosis, Gaucher's disease and leprosy. The normal values are 18 to 67 U/ml over 20 years of age (people under 20 have higher levels). Drugs that inhibit ACE are used to treat hypertension and congestive heart failure. See: angiotensin-converting enzyme inhibitor Acronym: ACE (12 Aug 2000) |
| ACE inhibitor | <pharmacology> A group of antihypertensive medications that work by inhibiting an enzyme (angiotensin-converting enzyme) that is important in the regulation of blood pressure. Studies have also indicated that it may help prevent or slow the progression of kidney disease in patients with diabetes. Examples include: captopril, ramipril, enalapril, losartan potassium, bepridil and lisinopril. (12 Mar 1998) |
| ACE level | <investigation> This is a blood test which measures the concentration of angiotensin-converting enzyme (ACE) in the bloodstream. Elevations in angiotensin-converting enzyme are seen sarcoidosis, histoplasmosis, alcoholic cirrhosis, asbestosis, berylliosis, diabetes, Hodgkin's disease, hyperthyroidism, amyloidosis, primary biliary cirrhosis, idiopathic pulmonary fibrosis, pulmonary embolism, scleroderma, silicosis, tuberculosis, Gaucher's disease and leprosy. The normal values are 18 to 67 U/ml over 20 years of age (people under 20 have higher levels). (15 Jan 1998) |
| medication, ace-inhibitor | Agents that inhibit ACE (angiotensin-converting enzyme), thereby acting as vasodilators (really as anti-vasoconstrictors), lightening the stress load on the heart. (12 Dec 1998) |
| HIV enhancer | Cis-acting regulatory sequences in the HIV long terminal repeat (ltr) which play a major role in induction or augmentation of HIV gene expression in response to environmental stimuli such as mitogens, phorbol esters, or other viruses. The HIV enhancer is the binding site for many cellular transcription factors including the nuclear factor nf-kappa b. (12 Dec 1998) |
| enhancer element | <molecular biology> A DNA sequence, present in the genomes of higher eukaryotes and of various animal viruses, which can increase the transcription of genes into messenger RNA. These control element frequently found 5' to the start site of a gene, when bound by a specific transcription factor, enhance the levels of expression of the gene, but are not sufficient alone to cause expression. Distinguished from a promoter, that is alone sufficient to cause expression of the gene when bound, in practice, the two terms merge. Enhancers usually can function in either orientation and at various distances from a promoter. Compare: promoter. (03 Jul 1999) |
| enhancer sequence | <molecular biology> A nucleotide sequence, located as many as several thousand base pairs away in either direction from the target gene, which enhances transcription of that gene. (14 Nov 1997) |
| enhancer trap | <molecular biology, technique> Technique for mapping gene expression patterns, classically in Drosophila. A transposon element carrying a reporter gene (usually _ galactosidase), linked to a very weak promoter, is induced to jump within the genome. If the P element re inserts within the sphere of influence of promoters and enhancers of some (random) gene, then reporter gene is also expressed in a similar tissue specific manner. Usually, many lines of flies carrying such random insertions are studied, if a line shows interesting patterns of expression, it can be possible to clone the gene of interest. (18 Nov 1997) |
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