Statins downregulate ATP-binding-cassette transporter A1 gene expression in macrophages

Hirohito Sone, Hitoshi Shimano*, Miao Shu, Masanori Nakakuki, Akimitsu Takahashi, Masakazu Sakai, Yuichiro Sakamoto, Tomotaka Yokoo, Ken Matsuzaka, Hiroaki Okazaki, Yoshimi Nakagawa, Kaoruko Tada Iida, Hiroaki Suzuki, Hideo Toyoshima, Seikoh Horiuchi, Nobuhiro Yamada

*この論文の責任著者

研究成果: ジャーナルへの寄稿学術論文査読

55 被引用数 (Scopus)

抄録

The ATP-binding-cassette transporter A1 (ABCA1) plays an essential role in cellular cholesterol efflux and helps prevent macrophages from becoming foam cells. The statins are widely used as cholesterol-lowering agents and have other anti-atherogenic actions. We tested the effects of four different statins (fluvastatin, atorvastatin, simvastatin, and lovastatin) on ABCA1 expression in macrophages in vitro. The statins suppressed ABCA1 mRNA expression in RAW246.7 and THP-1 macrophage cell lines and in mouse peritoneal macrophages. The effect was time- and dose-dependent and was abolished by the addition of the post-reductase product, mevalonate. These findings imply that there is a possible modulation of the well-known beneficial effects of the statins on the reverse cholesterol transport pathway.

本文言語英語
ページ(範囲)790-794
ページ数5
ジャーナルBiochemical and Biophysical Research Communications
316
3
DOI
出版ステータス出版済み - 2004/04/09

ASJC Scopus 主題領域

  • 生物理学
  • 生化学
  • 分子生物学
  • 細胞生物学

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