硝苯啶和尼卡地平对人成纤维细胞增殖、胶原与透明质酸合成的作用

Effects of nifedipine and nicardipine on proliferation of human lung fibroblastsand synthesis of collagen and hyaluronic acid

目的：研究硝苯啶（Ｎｉｆ）和尼卡地平（Ｎｉｃ）对人胚肺成纤维细胞（ＨＬＦ）增殖、胶原与透明质酸合成的影响，为应用钙通道阻滞剂防治器官纤维化提供实验依据。材料和方法：采用ＭＴＴ比色法、３Ｈ－脯氨酸掺入和放射免疫法分别测定细胞增殖、胶原与透明质酸合成。结果：Ｎｉｆ和Ｎｉｃ在１０～４０μｍｏｌ／Ｌ浓度范围内以剂量依赖方式抑制ＨＬＦ增殖及胶原和透明质酸合成，而对细胞无明显毒性作用。结论：Ｎｉｆ和Ｎｉｃ具有抗纤维化作用。

Purpose:T0 study the mechanism and the potentiality of calciumchannel blocker to prevent organal fibrogenisis. Materials and Mehods:The effects ofnifedipine(Nif)and nicardipine (Nic)on proliferation of human lung fibroblasts(HLF)and synthesis of coliagen and hyaluronic acid(HA)were determined by means of MTT,measuring the incorporation of 3H-proline and radioimmunoassay, respectively.Results: both Nif and Nic supressed HLF proliferation and collagen synthesis,as wellas decreased the production of HA in a concentration-dependent manner at l0-40μmol/L. In addition,there were no significant toxic actions on HLF. Conclusion: Nifand Nic might be hopeful antifibrotic drugs.