Intrahepatic cholestasis of pregnancy (ICP) is a severe liver disorder occurring specifically in pregnancy, and matrix metalloproteinase (MMP)-2 and MMP-9 were found to be elevated in ICP patients. Using ethinylestradiol-induced ICP rats as the model, we examined the effect of resveratrol on ICP symptoms such as bile flow rate, serum enzymatic activities, and TBA concentration, as well as MMP levels, and compared with the known ICP drug ursodeoxycholic acid. Both MMP-2 and MMP-9 were upregulated in ICP rats, and resveratrol treatment could inhibit the elevation of both MMPs, whereas ursodeoxycholic acid did not exhibit any effect. Although ursodeoxycholic acid alleviated ICP symptoms, resveratrol treatment in general exhibited better outcome in restoring bile flow rate, serum enzymatic activities, and TBA concentration. Our results for the first instance strongly supported the potential of RE as a new therapeutic agent in treating ICP, possibly through inhibiting MMP-2 and MMP-9.
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