Design and synthesis of rho kinase inhibitors (III)

Masayuki Iwakubo, Atsuya Takami, Yuji Okada, Takehisa Kawata, Yoshimichi Tagami, Motoko Sato, Terumi Sugiyama, Kayoko Fukushima, Shinichiro Taya, Mutsuki Amano, Kozo Kaibuchi, Hiroshi Iijima

研究成果: Article査読

44 被引用数 (Scopus)

抄録

The structure-activity relationship of Rho kinase inhibitors bearing an isoquinoline scaffold was studied. N-(1-Benzyl-3-pyrrolidyl)-N-(5-isoquinolyl)amine analogues were optimized with respect to their inhibitory potencies for the enzyme and for chemotaxis. The potent analogues were further evaluated by an ex vivo test in which the selected compounds were orally administered to rats, and the Rho kinase inhibitory potency observed in the rat serum was evaluated 3 h after the administration. Compound 23g showed a high level of Rho kinase inhibitory activity in the rat serum and was stable in an in vitro metabolic test using a microsomal cytochrome preparation. The (R)-isomer of 23g displayed a higher level of inhibitory potency than the (S)-isomer in a cell-free kinase assay and in the cell migration assay (IC50ENZ = 25 nM and IC50MCP = 1 μ M). The (R)-isomer successfully inhibited the phosphorylation of MBS (myosin-binding subunit) in cells.

本文言語English
ページ(範囲)1022-1033
ページ数12
ジャーナルBioorganic and Medicinal Chemistry
15
2
DOI
出版ステータスPublished - 15-01-2007
外部発表はい

All Science Journal Classification (ASJC) codes

  • 生化学
  • 分子医療
  • 分子生物学
  • 薬科学
  • 創薬
  • 臨床生化学
  • 有機化学

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