Literature DB >> 2257855

Effect of ketanserin tartrate on HMG CoA reductase and LDL receptor activity in cultured human skin fibroblasts.

M Suzukawa1, H Nakamura.   

Abstract

In man ketanserin tartrate reduces plasma LDL cholesterol. To clarify the mechanism of this effect the effect of ketanserin on 3-hydroxy-3-methylglutaryl (HMG) CoA reductase and LDL receptor activity in cultured human skin fibroblasts has been examined. After incubation with ketanserin for 14 h HMG CoA reductase activity was decreased in a dose-dependent manner up to 300 ng/ml (550 nM) without changing the free cholesterol content in the cells. Ketanserin increased specific binding and specific internalization of 125I-LDL dose-dependently. There was a significant inverse relationship between the percentage changes in HMG CoA reductase and LDL receptor activity. It appears that ketanserin induces up-regulation of LDL receptor activity by direct suppression of HMG CoA reductase, and this may be one mechanism by which plasma LDL-cholesterol is reduced by ketanserin.

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Year:  1990        PMID: 2257855     DOI: 10.1007/bf00315099

Source DB:  PubMed          Journal:  Eur J Clin Pharmacol        ISSN: 0031-6970            Impact factor:   2.953


  24 in total

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Journal:  Life Sci       Date:  1981-03-02       Impact factor: 5.037

6.  Modulation of 3-hydroxy-3-methylglutaryl-CoA reductase and of acyl-CoA--cholesterol acyltransferase by the transfer of non-esterified cholesterol to rat liver microsomal vesicles.

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Journal:  Biochem J       Date:  1981-01-15       Impact factor: 3.857

7.  Iodination of proteins, glycoproteins, and peptides using a solid-phase oxidizing agent, 1,3,4,6-tetrachloro-3 alpha,6 alpha-diphenyl glycoluril (Iodogen).

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Journal:  Anal Biochem       Date:  1981-10       Impact factor: 3.365

8.  Effects of doxazosin on lipids, lipoprotein lipases, and cholesterol synthesis in the golden hamster.

Authors:  H Jansen; R Lammers; M G Baggen; J C Birkenhäger
Journal:  J Cardiovasc Pharmacol       Date:  1989       Impact factor: 3.105

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Authors:  M S Brown; J L Goldstein
Journal:  Proc Natl Acad Sci U S A       Date:  1979-07       Impact factor: 11.205

10.  Effects of antihypertensive drugs on plasma lipids.

Authors:  H Nakamura
Journal:  Am J Cardiol       Date:  1987-09-18       Impact factor: 2.778

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  2 in total

1.  Effects of beta-blockers on HMG CoA reductase and LDL receptor activity in cultured human skin fibroblasts.

Authors:  H Yoshida; M Suzukawa; T Ishikawa; H Shige; E Nishio; H Hosoai; M Ayaori; H Nakamura
Journal:  Cardiovasc Drugs Ther       Date:  1996-03       Impact factor: 3.727

2.  Ketanserin, an antidepressant, exerts its antileishmanial action via inhibition of 3-hydroxy-3-methylglutaryl coenzyme A reductase (HMGR) enzyme of Leishmania donovani.

Authors:  Sushma Singh; Neeradi Dinesh; Preet Kamal Kaur; Baigadda Shamiulla
Journal:  Parasitol Res       Date:  2014-04-12       Impact factor: 2.289

  2 in total

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