3 Hydroxy 3 Methylglutaryl Coenzyme A Reductase
Mostrando 1-12 de 186 artigos, teses e dissertações.
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1. Cloning and Characterization of the Gene Encoding 3-hydroxy-3- Methylglutaryl-coenzyme A (HMG-CoA) Reductase from Fritillaria Cirrhosa D. Don
ABSTRACT The enzyme 3-hydroxy-3-methylglutaryl-CoA reductase (HMGR; EC1.1.1.34) catalyzes the first committed step of isoprenoids biosynthesis in Mevalonate (MVA) pathway. Here we report for the first time the cloning and characterization of a full-length cDNA encoding HMGR from Fritillaria cirrhosa (FcHMGR), a bulbous medicinal plant. The full-length cDNA o
Braz. arch. biol. technol.. Publicado em: 29/11/2018
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2. Simvastatin treatment reduces the cholesterol content of membrane/lipid rafts, implicating the N -methyl-D-aspartate receptor in anxiety: a literature review
ABSTRACT Membrane/lipid rafts (MLRs) are plasmalemmal microdomains that are essential for neuronal signaling and synaptic development/stabilization. Inhibitors of 3-hydroxy-3-methylglutaryl-coenzyme-A reductase (statins) can disable the N-methyl-D-aspartate (NMDA) receptor through disruption of MLRs and, in turn, decrease NMDA-mediated anxiety. This hypothes
Braz. J. Pharm. Sci.. Publicado em: 20/04/2017
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3. Entendendo o processo químico de bioativação da sinvastatina por métodos experimentais e computacionais: uma aula prática
Cholesterol is a lipid which in high concentration can be an important risk factor for coronary diseases and atherosclerotic lesions. This lipid presents an endogenous biosynthesis that involves several steps; one of them is modulated by the enzyme 3-hydroxy-3-methylglutaryl coenzyme A reductase (HMG-CoA reductase). HMG-CoA reductase is inhibited by statins,
Quím. Nova. Publicado em: 2016-05
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4. Short-term therapy with simvastatin reduces inflammatory mediators and heart inflammation during the acute phase of experimental Chagas disease
Trypanosoma cruzi infection induces progressive cardiac inflammation that leads to fibrosis and modifications in the heart architecture and functionality. Statins, such as 3-hydroxy-3-methylglutaryl coenzyme A (HMG CoA) reductase inhibitors, have been studied due to their pleiotropic roles in modulating the inflammatory response. Our goal was to evaluate the
Memórias do Instituto Oswaldo Cruz. Publicado em: 2012-06
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5. The methyl ester of rosuvastatin elicited an endothelium-independent and 3-hydroxy-3-methylglutaryl coenzyme A reductase-independent relaxant effect in rat aorta
The relaxant effect of the methyl ester of rosuvastatin was evaluated on aortic rings from male Wistar rats (250-300 g, 6 rats for each experimental group) with and without endothelium precontracted with 1.0 µM phenylephrine. The methyl ester presented a slightly greater potency than rosuvastatin in relaxing aortic rings, with log IC50 values of -6.88 and -
Brazilian Journal of Medical and Biological Research. Publicado em: 2011-05
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6. Proteção por L-carnitina ou piracetam contra a morte celular causada por sinvastatina em celulas tumorais e não tumorais / Protection by L-carnitine or piracetam against cell death caused by simvastatin in tumor and non tumorigenic cell lines
Statins are drugs widely used in the treatment of hypercholesterolemia. They are competitive inhibitors of 3-hydroxy 3-methylglutaryl coenzyme A (HMG-CoA) reductase preventing in this way, the synthesis of cholesterol. L-carnitine is synthesized from the essential aminoacids lysine and methionine in liver and kidney and plays na important role in the cell, w
Publicado em: 2010
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7. Study of regulatory and proinflammatory factors in chronic idiopathic urticaria and in vitro immunomodulatory effect of statins / Estudo dos fatores regulatórios e pró-inflamatórios na urticária crônica idiopática e efeito imunomodulatório in vitro das estatinas
INTRODUCTION: Chronic Idiopathic Urticaria (CIU) is a disease triggered by degranulation of basophils and mast cells with consequent histamine release and the CIU immunological profile is not well established. Statins, 3-hydroxy-3-methylglutaryl coenzyme A reductase inhibitors, also display a broad immunomodulatory property. Statins have been studied in seve
Publicado em: 2010
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8. EFFECTS OF Campomanesia xanthocarpa ON BIOCHEMICAL, HEMATOLOGICAL AND OXIDATIVE STRESS PARAMETERS IN HYPERCHOLESTEROLEMIC PATIENTS / EFEITOS DA Campomanesia xanthocarpa EM PARÂMETROS BIOQUÍMICOS, HEMATOLÓGICOS E DE ESTRESSE OXIDATIVO EM PACIENTES HIPERCOLESTROLÊMICOS
No Sul do Brasil, a planta Campomanesia xanthocarpa Berg. (Myrtaceae), popularmente conhecida como guavirova, tem sido empiricamente usada por seu efeito potencial em reduzir os níveis de colesterol sanguíneo. Uma vez que não há dados científicos confirmando seu uso popular, o alvo do presente estudo foi investigar os efeitos da C. xanthocarpa nos parâ
Publicado em: 2009
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9. Somatic cell genetic analysis of regulation of expression of 3-hydroxy-3-methylglutaryl-coenzyme A reductase.
Three new types of regulatory somatic cell mutants defective in expression of the enzyme 3-hydroxy-3-methylglutaryl coenzyme A reductase are described. They include a recessive mutant with abnormally high enzyme activity, apparently defective in degradation of the enzyme, and one, phenotypically a mevalonate auxotroph, that maintains permanently repressed le
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10. Regulation of 3-Hydroxy-3-Methylglutaryl Coenzyme A Reductase Activity in Human Fibroblasts by Lipoproteins
The activity of 3-hydroxy-3-methylglutaryl coenzyme A reductase (EC 1.1.1.34), the rate-limiting enzyme of hepatic cholesterol biosynthesis, is suppressed in human fibroblasts cultured in the presence of serum. This enzyme activity increases by more than 10-fold after the removal of serum from the medium. The rise in enzyme activity requires de novo protein
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11. Regulation of cholesterol synthesis in rat adrenal gland through coordinate control of 3-hydroxy-3-methylglutaryl coenzyme A synthase and reductase activities.
The activities of cytosolic 3-hydroxy-3-methylglutaryl coenzyme A synthase [3-hydroxy-3-methylglutaryl-CoA acetoacetyl-CoA-lyase (CoA-acylating), EC 4.1.3.5] and microsomal 3-hydroxy-3-methylglutaryl coenzyme A reductase[mevalonate:NADP+ oxidoreductase (CoA-acylating), EC 1.1.1.34], two sequential enzymes in the cholesterol biosynthetic pathway, were shown t
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12. Sterols accelerate degradation of hamster 3-hydroxy-3-methylglutaryl coenzyme A reductase encoded by a constitutively expressed cDNA.
A recombinant plasmid containing a full-length cDNA for hamster 3-hydroxy-3-methylglutaryl coenzyme A reductase was introduced by calcium phosphate-mediated transfection into UT-2 cells, a mutant line of Chinese hamster ovary cells that lack 3-hydroxy-3-methylglutaryl coenzyme A reductase activity and thus require low density lipoprotein-cholesterol and meva