【摘 要】
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Objective:To explore the regulatory role of Tanreqing injection in lipopolysaccharide(LPS)-induced mucus hypersecretion and the potential mechanism involved in this process in 16-human bronchial epith
【机 构】
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Pneumology Group, Department of Integrated Traditional Chinese and Western Medicine, West China Hosp
【出 处】
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中国医师协会中西医结合医师分会呼吸病专家委员会第二届学术研讨会
论文部分内容阅读
Objective:To explore the regulatory role of Tanreqing injection in lipopolysaccharide(LPS)-induced mucus hypersecretion and the potential mechanism involved in this process in 16-human bronchial epithelial cells(16-HBECs).Methods:Different concentrations of LPS(0.01 μg/ml,0.1 μg/ml,1 μg/ml,10 μg/ml and 100 μg/ml)stimulated 16-HBECs,and cell proliferation was evaluated using CCK-8 assay at different time(6h,12h,24h and 48h)after LPS administration;different concentrations of Tanreqing injection(1∶2,1∶4,1∶8,1∶16,1∶32 and 1∶64)stimulated 16-HBEC and cell proliferation was evaluated using CCK-8 assay at 24h after stimulation.16-HBECs were divided into blank control group,LPS group,different concentrations of Tanreqing injection(1∶32,1∶64,1∶128,1∶256 and 1∶512).Cell supernatants and nucleus were collected at 6h,12h,24h and 48h after LPS administration.Protein and mRNA expression of MUC5AC was evaluated using ELISA and real-time PCR,respectively.Expression of JNK,JNK and p38 MAPK in cell nucleus was evaluated using Western blot at 24h after LPS administration.
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