INDUCTION OF PEROXISOMAL β-OXIDATION ENZYMES BY DEHYDROEPIANDROSTERONE SULFATE
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چکیده
منابع مشابه
Effect of nicardipine, a calcium antagonist, on induction of peroxisomal enzymes by dehydroepiandrosterone sulfate in cultured rat hepatocytes.
We examined the effect of nicardipine, a calcium antagonist, on the induction of peroxisomal enzymes, such as acyl-CoA oxidase and carnitine acetyltransferase, by dehydroepiandrosterone sulfate (DHEAS) and clofibric acid (CPIB), in primary cultured rat hepatocytes. Peroxisomal beta-oxidation and carnitine acetyltransferase activities were increased 11- and 20-fold, respectively, after 5 days of...
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Peroxisomal beta-oxidation (POX) of fatty acids is important in lipid catabolism and thermogenesis. To investigate the effects of peroxisome proliferators on peroxisomal and mitochondrial beta-oxidation in piglet tissues, newborn pigs (1-2 days old) were allowed ad libitum access to milk replacer supplemented with 0.5% clofibric acid (CA) or 1% aspirin for 14 days. CA increased ratios of liver ...
متن کاملPeroxisomal β-oxidation in X-linked adrenoleukodystrophy
Background: ABCD1 is a peroxisomal ABC transporter whose dysfunction causes X-linked adrenoleukodystrophy (X-ALD). Results: β-Oxidation of C26:0 as well as C22:0 acyl-CoA esters is impaired in X-ALD. ABCD3 accounts for residual β-oxidation activity in XALD fibroblasts. Conclusion: ABCD1 mediates very long-chain acyl-CoA ester β-oxidation without need for additional re-esterification by an acyl-...
متن کاملIdentification of the peroxisomal β-oxidation enzymes involved in the degradation of long-chain dicarboxylic acids
Dicarboxylic acids (DCAs) are -oxidation products of monocarboxylic acids. After activation by a dicarboxylyl-CoA synthetase, the dicarboxylyl-CoA esters are shortened via -oxidation. Although it has been studied extensively where this -oxidation process takes place, the intracellular site of DCA oxidation has remained controversial. Making use of fibroblasts from patients with defined mitochon...
متن کاملMetabolism of dehydroepiandrosterone sulfate and estrone-sulfate by human platelets.
The aim of the present research was to study the uptake of DHEAS, and to establish the intracrine capacity of human platelets to produce sex steroid hormones. The DHEAS transport was evaluated through the uptake of [(3)H]-DHEAS in the presence or absence of different substrates through the organic anion transporting polypeptide (OATP) family. The activity of sulfatase enzyme was evaluated, and ...
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ژورنال
عنوان ژورنال: Drug Metabolism and Pharmacokinetics
سال: 1993
ISSN: 0916-1139
DOI: 10.2133/dmpk.8.supplement_665