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Zhonghua Nei Ke Za Zhi. 1997 ; 36(2): 87-9.

[Experimental treatment of rhubarb on mesangio-proliferative glomerulonephritis in rats]

Wei J, Ni L, Yao J.

Department of Nephrology, Drum Tower Hospital, Nanjing.

Accumulation of extracellular matrix is a prominent feature of progressive glomerulonephritis (GN). Previously, we have shown that Emodin, an important component of Rhubarb, inhibits the fibronectin (FN) production of cultured mesangial cells. We now provide evidence of the same effect of Rhubarb in immune complex GN induced in rats by injection of anti-thymocyte serum (ATS). Rhubarb ameliorated mesangial matrix expansion on day 7 after ATS administration. Decreased FN level and IL-1 activity were found in the supernatant of cultured glomeruli from Rhubarb-treated animal at the 7th day. Glomerular tissue FN fluorescence staining was also much weaker than that of the untreated rats. These studies demonstrated that Rhubarb-treated anti-Thy-1 animal model should develop significantly less matrix expansion. Rhubarb also inhibited synthesis and secretion of fibronectin, an important component of mesangial extracellular matrix. Decreased IL-1 activity might be involved in the therapeutic effect of Rhubarb on mesangioproliferative glomerulonephritis.

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