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  • Title: [Interleukin 1, transforming growth factor beta and messenger ribonucleic acid expression during the course of glomerulonephritis and glomerulosclerosis].
    Author: Zhao Z.
    Journal: Zhonghua Yi Xue Za Zhi; 1992 Apr; 72(4):195-7, 253. PubMed ID: 1327444.
    Abstract:
    The accumulation of extracellular matrix is a prominent feature of progressive glomerulonephritis and glomerulosclerosis. This study was designed to evaluate the coeffective role of interleukin 1 (IL-1), transforming growth factor beta (TGF beta), and accumulation of collagen IV, fibronectin (FN), laminin (LN) in the progress of glomerulonephritis. Rat mesangial proliferation and sclerosis was induced by injection of anti-thymocyte serum (ATS). Total RNA of glomeruli were extracted from rat kidney at 3, 7, 14, 28, 60 days after ATS administration for northern blots. The results showed that IL-1, TGF beta mRNA expression was 2 to 3 folds higher than in the controls on the 7th to 14th day after injection of ATS. At the same time, there were increased accumulations of collagen IV, FN, and LN. Increased IL-1, TGF beta mRNA expression and accumulation of collagen IV, FN, LN were closely associated with mesangial proliferation, matrix expansion and focal glomerulosclerosis. These results suggest that increased IL-1, TGF beta mRNA expression and accumulation of collagen IV, FN, LN may play an important role in the progression of glomerulonephritis.
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