摘要
本文研究了大柴胡颗粒(DCHKL)对四氧嘧啶(AXN)致胰岛细胞损伤的保护作用。采用四甲基偶氮唑盐(MTT)法检测大柴胡颗粒对胰岛细胞活性的影响;用ELISA法检测其对胰岛细胞胰岛素基础分泌量和高糖刺激胰岛素分泌量的影响;采用流式细胞仪检测胰岛细胞的凋亡率,同时以RT-PCR检测胰岛细胞的抗凋亡基因(Bcl-2)和促凋亡基因(Bax)的表达。大柴胡颗粒能明显增强胰岛细胞的活性(P<0.01);同时高糖刺激胰岛素分泌量明显上升(P<0.01);能抑制胰岛细胞的凋亡,降低细胞的凋亡率(P<0.01);并且出现上调Bcl-2基因的表达,下调Bax基因表达。结果表明,大柴胡颗粒能提高细胞活性,增加胰岛素分泌,抑制胰岛细胞的凋亡并且上调抗凋亡基因表达,下调促凋亡基因的表达。大柴胡颗粒对胰岛细胞具有一定的保护作用。
The protective effects of Da Chai Hu Granules （DCHKL） on islet cells which were incubated with 4 mmol·L^-1 alloxan （AXN） were studied. The viability of islet cells were measured with MTT. Insulin released into medium and in islets was detected by radioimmunoassay. Cell apoptosis rate was determined by flow cytometry. The expression of anti-apoptotic gene Bcl-2 and pro-apoptotic gene Bax in islet cells were measured with RT-PCR （reverse transcription polymerase chain reaction）. Serum containing DCHKL can promote the activity of islet cells significantly （P〈0.01）. Basal insulin secretion and high glucose-stimulated insulin secretion increased significantly （P〈 0.01）. Serum containing DCHKL can inhibit apoptosis of islet cells, the ratio of apoptosis was decreased. Serum containing DCHKL increased expression of Bcl-2 mRNA and decreased expression of Bax mRNA. DCHKL can significantly promote proliferation of islet ceils and increase the amount of basal secretion of pancreatic islet cells and high glucose-stimulated insulin secretion. The expression of Bcl-2 increased significantly. The expression of Bax decreased significantly. DCHKL have a protective effect on the islet cells.
出处
《药学学报》
CAS
CSCD
北大核心
2013年第9期1403-1408,共6页
Acta Pharmaceutica Sinica
基金
江苏科技成果转化专项资金项目(BA2010094)
江苏省高校优势学科建设工程资助项目
