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目的:观察玉屏风多糖(YPF-P)对血小板衍生生长因子-BB(platelet derivegrowth factor-BB PDGF-BB)刺激大鼠肝星状细胞(hepatic stellate cell HSC)增殖、Ⅰ型胶原、Ⅲ型胶原、α-SMA、PDGF-BB、PDGFR-β、磷酸化细胞外信号调节激酶1/2(Phosphorylated extracellular signal-regulated kinase 1/2,P-ERK1/2)与c-fos、c-jun表达的影响,探讨YPF