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o引言转化生长因子一R（TGF卡）是一类对细胞的增殖发育、转化和分化起调节作用的多功能生长因子，它在良性前列腺增生症（BPH）中的发病机制尚不清楚．为此，我们采用免疫组织化学方法研究了TGF卡和TGF－RI型受体（TGF－pRI）在BPH和正常前列腺上皮和间质组织中的表达及其意义
o Introduction Transforming growth factor-R (TGF-C) is a multifunctional growth factor that regulates cell proliferation, transformation and differentiation. Its pathogenesis in benign prostatic hyperplasia (BPH) is unclear. To this end, we used immunohistochemical methods to study the expression of TGF-β1 and TGF-RI receptor (TGF-RI) in BPH and normal prostatic epithelium and interstitial tissue and its significance