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IL-13和乙醇促进人肺成纤维细胞胶原的表达

Effects of IL-13 and alcohol on collagen expression of human lung fibrolasts
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摘要 目的:研究乙醇和/或白细胞介素13(IL-13)对人肺成纤维细胞(HFL-1)Ⅰ、Ⅲ型胶原α1链基因(COL1A1、COL3A1)以及Ⅰ型胶原蛋白(CoⅠ)表达的影响,探讨肺纤维化的机制。方法:培养HFL-1,通过实时定量荧光RT-PCR检测乙醇和/或IL-13对HFL-1细胞IL-13受体(IL-13Rα1、IL-13Rα2、IL-4Rα)mRNA、COL1A1 mRNA和COL3A1 mRNA表达的影响,ELISA的方法检测乙醇和/或IL-13对HFL-1分泌CoⅠ的影响。结果:单独低浓度乙醇(25、50、100、200mmol/L)作用HFL-1后,与对照组相比IL-13Rα1 mRNA与IL-4Rα mRNA水平比对照组显著增高(P<0.05),而IL-13Rα2 mRNA水平比对照组显著降低(P<0.05)。单独低浓度乙醇(25、50、100、200 mmol/L)对HFL-1的COL1A1 mR-NA和COL3A1 mRNA表达无影响(P>0.05)。IL-13(10、20、50μg/L)可以促进HFL-1的COL1A1 mRNA和COL3A1 mR-NA的表达(P<0.05),且存在浓度依赖性。乙醇(200 mmol/L)与IL-13(10、20、50μg/L)共同作用刺激HFL-1促进COL1A1 mRNA和COL3A1 mRNA的表达比IL-13(10、20、50μg/L)单独作用强(P<0.05)。IL-13组(10、20、50μg/L)和乙醇(200 mmol/L)与IL-13(10、20、50μg/L)共同刺激组HFL-1均有CoⅠ的分泌,但共同刺激组HFL-1分泌CoⅠ量显著增加(P<0.05)。结论:单独低浓度乙醇(25、50、100、200mmol/L)不影响HFL-1细胞的COL1A1和COL3A1表达,但可以影响HFL-1细胞IL-4Rα、IL-13Rα1和IL-13Rα2的表达,而乙醇与IL-13共同刺激与单独IL-13刺激相比对HFL-1的COL1A1和COL3A1以及CoⅠ的表达有显著的促进作用。 AIM:To investigate the effect of alcohol and/or IL-13 on the expression of collagen typeⅠ alpha 1 chain gene(COL1A1,COL3A1) mRNA and collagen production of human lung fibroblast(HFL-1).METHODS: HFL-1 was cultured and real time RT-PCR was used to determine the expression of IL-13 receptor(IL-13Rα1,IL-13Rα2,IL-4Rα) mRNA,COL1A1 mRNA and COL3A1 mRNA.ELISA was used to determine the production of collagen typeⅠ.RESULTS: Low level of Alcohol(25,50,100,200 mmol/L) greatly up-regulated the expression of IL-13Rα1 mRNA and IL-4Rα mRNA of HFL-1,but IL-13Rα2 mRNA expression was decreased.low level of alcohol(25,50,100,200 mmol/L) had no effect on the expression of COL1A1 and COL3A1.IL-13(10,20,50 μg/L) stimulated the expression of COL1A1 and COL3A1 in a dose-dependent manner.The expression of COL1A1 and COL3A1 induced by combination of alcohol(200 mmol/L) and IL-13(10 μg/L,20 μg/L,50 μg/L) was significantly higher than IL-13(10,20,50 μg/L) alone.Combination of alcohol(200 mmol/L) and IL-13(10,20,50 μg/L) could significantly increase collagen typeⅠ production than IL-13(10,20,50 μg/L) alone.CONCLUSION: Low level of alcohol has no effect on the mRNA expression of COL1A1 and COL3A1 of HFL-1cells,but has great effect on the mRNA expression of IL-13Rα1,IL-13Rα2 and IL-4Rα.Combination of alcohol and IL-13 significantly up-regulated the collagen production and expression of COL1A1 and COL3A1 of HFL-1 cells.
出处 《细胞与分子免疫学杂志》 CAS CSCD 北大核心 2011年第4期395-398,共4页 Chinese Journal of Cellular and Molecular Immunology
基金 目国家自然科学基金资助项(30860118) 江西省教育厅科研课题(赣教技字[2007]81号) 江西省教育厅科研课题(GJJ08083)
关键词 IL-13 IL-13Rα1 IL-13RΑ2 IL-4Rα COL1A1 COL3A1 乙醇 Realtime RT-PCR IL-13 IL-13Rα1 IL-13Rα2 IL-4Rα COL1A1 COL3A1 alcohol real time RT-PCR
作者简介 熊莺(1976-),女,江西九江人,主管技师,硕士 Correspondingauthor,E—mail:shixiaoyu999@163.com
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参考文献11

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