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我们研究发现在传代培养的大鼠贮脂细胞中，不同浓度的血管活性肠肽（Ｖａｓｏａｃｆｉｖｅｉｎｆｅｓｆｉｎａｌｐｅｐｔｉｄｅ，ＶＩＰ）能显著抑制Ⅰ型胶原分泌并呈量效关系。ＶＩＰ受体拮抗剂能减弱ＶＩＰ这一作用，从而更加肯定ＶＩＰ抑制胶原分泌的作用。本研究提示：大鼠贮脂细胞膜上存在ＶＩＰ受体；ＶＩＰ在肝纤维化和肝硬化时浓度升高可能调节肝脏胶原代谢。
Our study found that different concentrations of vasoactive intestinal peptide (Vasoacfiveinfinal peptide, VIP) can inhibit type I collagen secretion in dose-effect relationship in rat fat-storing cells. VIP receptor antagonist can weaken the role of VIP, thereby more positive VIP inhibition of collagen secretion. This study suggests that there is VIP receptor on the lipid storage membrane in rats, and the increased concentration of VIP in liver fibrosis and cirrhosis may regulate hepatic collagen metabolism.