(n.) A product of metabolism; a substance produced by metabolic action, as urea.
Example Sentences:
(1) Serum levels of both dihydralazine and metabolites were very low and particularly below the detection limit.
(2) After 4 to 6 hours of recirculation, accumulation of vasoactive amine, 5-hydroxytryptamine, its major metabolite, 5-hydroxyindole acetic acid, and its precursor amino acid, tryptophan were detected.
(3) Reactive metabolites which suppress splenic humoral immune responses are thought to be generated within the spleen rather than in distant tissues.
(4) Finally the advanced automation of the equipment allowed weekly the evaluation of catecholamines and the whole range of their known metabolites in 36 urine samples.
(5) Various metabolites of etoposide and teniposide have been identified but their detection and quantitation are disputed.
(6) Loratadine has one main metabolite, descarbethoxyloratadine, which is four times more active than the parent drug.
(7) The metabolism of [1,3-14C]benzo[f]quinoline (BfQ) by liver microsomes from control, 3-methylcholanthrene (3-MC)-pretreated and phenobarbital (PB)-pretreated rats has been investigated in order to gain insights into the effect of mixed function oxidase inducers on the types and levels of specific metabolites as formed in vitro.
(8) Current information suggests that arachidonic acid metabolites are involved in the development of cholecystitis.
(9) A sensitive color reaction after two-dimensional TLC described earlier for zeranol determination in veal samples is proposed for the detection of the zeranol metabolite zearalanone and the mycotoxin zearalenone.
(10) This capacity is expressed during incubation of the bacteria with the substrate and needs a source of carbon and other energy metabolites.
(11) 2,3-Dihydroxybenzamide had previously been detected only as a minor metabolite of salicylamide by paper chromatography.
(12) Major plasma metabolites of quazepam were 2-oxoquazepam (OQ), obtained by replacement of S by O,N-desalkyl-2-oxoquazepam (DOQ), and 3-hydroxy-2-oxoquazepam (HOQ) glucuronide.
(13) During the postovulatory phase, endogenous progesterone and the production of metabolites antagonized this effect.
(14) The total "dose" to the tissue of individual metabolites was determined by the area under the curve (AUC).
(15) Glucocorticoids have been shown in in vitro systems to inhibit the release of arachidonic acid metabolites, namely prostaglandins (PGs) and leukotrienes, apparently, via the induction of a phospholipase A2 inhibitory protein, called lipocortin.
(16) Metabolites of nafiverine in blood, bile, and urine were determined quantitatively.
(17) Though three of these presumable metabolites could slightly inhibit the binding of [3H]-KW-3049, they were not detected in rat and dog plasma at 0.5 h after oral administration of KW-3049.
(18) When given chronically over 6 weeks the advantages of adding benserazide (50 mg kg-1 day-1) to levodopa (40 mg kg-1 day-1) were less marked and although more dopamine was present in the striatum than with levodopa given alone (200 mg kg-1 day-1) there was no evidence of any increase in its metabolites (HVA and DOPAC) and therefore of its turnover and utilisation.
(19) Our study suggests that a major part of the renal antimineralocorticoid activity of spironolactone may be attributable to minor sulfur-containing metabolites or their precursors having a high renal clearance that affords access to their site of activity via the renal tubular fluid.
(20) Metabolites were analyzed by reverse-phase HPLC and identified by NMR, UV, and mass spectrometry.
Metabolize
Definition:
(v. t. & i.) To change by a metabolic process. See Metabolism.
Example Sentences:
(1) In studies of calcium metabolism in 13 unselected patients with untreated sarcoidosis all were normocalcaemic but five had hypercalcuria.
(2) The high amino acid levels in the cells suggest that these cells act as inter-organ transporters and reservoirs of amino acids, they have a different role in their handling and metabolism from those of mammals.
(3) Theophylline kinetics, as an in vivo probe for the potentially toxic cytochrome P-450I pathway of drug metabolism, were studied in 11 healthy volunteers and 11 patients with calcific chronic pancreatitis at Madras, South India.
(4) These results demonstrate that increased availability of galactose, a high-affinity substrate for the enzyme, leads to increased aldose reductase messenger RNA, which suggests a role for aldose reductase in sugar metabolism in the lens.
(5) The ability of azelastine to influence antigen-induced contractile responses (Schultz-Dale phenomenon) in isolated tracheal segments of the guinea-pig was investigated and compared with selected antiallergic drugs and inhibitors of arachidonic acid metabolism.
(6) These studies show that metabolic activation is necessary for the expression of the mutagenic activity of aflatoxins B1 and G1 in N. crassa.
(7) A progressively more precise approach to identifying affected individuals involves measuring body weight and height, then energy intake (or expenditure) and finally the basal metabolic rate (BMR).
(8) The penetration of (22)Na was not prevented by the presence of metabolic inhibitors or by 500 mm NaCl in the suspending medium.
(9) The data suggest that major differences may exist between ruminants and non-ruminants in the response of liver metabolism both to lactation per se and to the effects of growth hormone and insulin.
(10) This new observation offers good possibilities to study the metabolism of tryptophan at the cellular level.
(11) Also we found that the lipid deposition in the glomeruli of patients with Alagille syndrome is related to an abnormal lipid metabolism, which is the consequence of severe cholestasis.
(12) The obvious need for highly effective contraception in women with existing disorders of glucose metabolism has led to a search for oral contraceptive (OC) regimens for such women that are efficient but without unacceptable metabolic side effects.
(13) Angiopathic and traumatic influences conditioned by metabolism, apart from local peculiarities are taken into consideration.
(14) These results could be explained by altered tissue blood flow and a decreased metabolic capacity of the liver in obese subjects.
(15) MAF-G activity was inhibited by mitomycin C and colchicine, which inhibit DNA synthesis and mitosis, respectively, but not by 2-deoxy-D-glucose, an inhibitor of glucose metabolism.
(16) The measurement of the intestinal metabolism of the nitrogen moiety of glutamic acid has been investigated by oral ingestion of l-[15N]glutamic acid and sampling of arterialized blood.
(17) No significant fatty acid binding by proteins was detected in S. cerevisiae, even when grown on a fatty acid-rich medium, thus indicating that such proteins are not essential to fatty acid metabolism.
(18) These two types of transfer functions are appropriate to explain the transition to anaerobic metabolism (anaerobic threshold), with a hyperbolic transfer characteristic representing a graded transition; and a sigmoid transfer characteristic representing an abrupt transition.
(19) The sexual dimorphism in hepatic drug metabolism found in Crl:CD-1 mice is due to the normally repressive effects of testicular androgens on the activities of hepatic monooxygenases.
(20) In contrast, HEL antigen requires metabolically active cells for both of these processes.