Journal of Microbiology and Biotechnology

The Korean Society for Microbiology and Biotechnology (한국미생물·생명공학회)
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Hypocholestrolemic Effect of CJ90002 in Hamsters: A Potent Inhibitor for Squalene Synthase from Paeonia moutan

  • Park, Jong-Koo (Institute of HL Genomics, Hanlim Pharm. Co., LTD.) ;
  • Cho, Hi-Jae (Institute of Science and Technology, Cheiljedang Corp.) ;
  • Lim, Yoon-Gho (Bio/Molecular Informatis Center and Department of Applied Biology ＆ Chemistry, Konkuk University) ;
  • Cho, Youl-Hee (Department of Medical Genetics ＆ Institute of Biomedical Science, College of Medicine, Hanyang University) ;
  • Lee, Chul-Hoon (Department of Medical Genetics ＆ Institute of Biomedical Science, College of Medicine, Hanyang University)
  • Published : 2002.04.01
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Abstract

Squalene synthase catalyzes the reductive dimerization of two molecules of farnesyl diphosphate to form squalene at the final branch point of the cholesterol biosynthetic pathway. Due to the unique position of this enzyme in the pathway, its inhibitors may have advantages as antihypercholesterolemic agents. Therefore, selective inhibitors of squalene synthase do not prevent the formation of the essential branch products of the isoprene pathway, such as dolichol, coenzyme-Q, and prenylated proteins, as might be expected for inhibitors of enzymes earlier in the pathway; for example, lovastatin and mevalotin. The current study reports that CJ90002, a pentagalloylglucose isolated from Paeonia moutan SIM (Paeoniaceae), which is an important Chinese crude drug used in many traditional prescriptions, was a potent inhibitor of rat microsomal squalene synthase, and also a potent inhibitor of cholesterol biosynthesis in vitro. In addition, the intraperitoneal and oral administration of CJ90002 had a significant lowering effect on plasma cholesterol levels in hamsters.

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References

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