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Eur J Pharmacol. 2002 Nov 29;455(2-3):169-74.

Fasudil attenuates interstitial fibrosis in rat kidneys with unilateral ureteral obstruction.

Author information

1
Institute of Life Science Research, Asahi Kasei Corporation, 632-1, Mifuku, Ohito-Cho, Tagata-Gun, Shizuoka 410-2321, Japan. sato.sn@om.asahi-kasei.co.jp

Abstract

This study was designed to investigate possible effects of the Rho-kinase inhibitor, fasudil, on the progression of renal failure in rats with unilateral ureteral obstruction. The renal failure markers monitored were the extent of renal interstitial fibrosis and that of macrophage infiltration. In kidneys with unilateral ureteral obstruction, interstitial fibrosis was observed, using Sirius-Red staining, on day 16 after unilateral ureteral obstruction. Macrophage infiltration was observed by immunohistochemistry, using the antibody, ED1. Interstitial fibrosis and macrophage infiltration were significantly attenuated in fasudil-treated animals. The migration of monocytes in vitro elicited by N-formyl-methionyl-leucyl-phenylalanine was potently inhibited by fasudil and its active metabolite, hydroxyfasudil. These results suggest that inhibition of Rho-kinase produces a reduction of macrophage infiltration and represents a new therapeutic strategy for renal fibrosis, a major factor in the progression to end-stage renal failure.

PMID:
12445583
DOI:
10.1016/s0014-2999(02)02619-5
[Indexed for MEDLINE]

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