Study on degranulation model of RBL-2H3 cells

doi:10.3969/j.issn.1000-1565.2018.02.008

Abstract

Abstract: RBL-2H3 cells are commonly used to research on the pathogenesis of allergic diseases in vitro.In order to establish a detection model of degranulation of RBL-2H3 cells,C48/80 was used as a positive drug to analyze and compare different methods for cells degranulation detection,including the cell morphology observation,trypan blue staining,beta hexosaminidase release rate and calcium ion concentrations.Through studying the concentration and time of C48/80,the optimized drug condition was established for RBL-2H3 cell degranulation induced by C48/80.The results showed that the C48/80 concentration was 60 μg/mL with 40 min,and there was dose-effect relationship between the degree of degranulation and the beta hexosaminidase- DOI:10.3969/j.issn.1000-1565.2018.02.008RBL-2H3细胞脱颗粒模型研究刘中成^1,2,刘世芳^1,2,李飞^1,2,王南南^1,2,张楠^1,2,袁欣^1,2,张艳芬^2,3(1.河北大学药学院,河北保定 071002;2.河北省药物质量分析控制重点实验室,河北保定 071002;3.河北大学科学技术处,河北保定 071002)摘要:RBL-2H3细胞是体外研究变态反应的常用细胞,为了建立RBL-2H3细胞脱颗粒检测模型,以C48/80作为阳性药物,分析比较了细胞形态观测法、台盼蓝染色法、β-氨基己糖苷酶释放率及钙离子质量浓度检测等细胞脱颗粒检测方法.通过对C48/80 作用质量浓度及时间的摸索,建立C48/80刺激RBL-2H3细胞脱颗粒的最佳药物作用条件.结果表明,β-氨基己糖苷酶释放率与细胞脱颗粒程度存在显著量-效关系,且操作简单、结果稳定.C48/80工作质量浓度为60 μg/mL,最佳作用时间40 min.在此基础上,优化了DNP-IgE/DNP-BSA诱导细胞脱颗粒体系,0.4 μg/mL DNP-IgE致敏RBL-2H3细胞过夜,10 μg/mL DNP-BSA诱导细胞,细胞脱颗粒程度最严重.同时发现,不同释放介质对DNP-BSA诱导细胞脱颗粒有显著影响.该结果可为变态反应相关研究提供实验基础.关键词:嗜碱性白血病粒细胞;脱颗粒;变态反应中图分类号:Q291 文献标志码:A 文章编号:1000-1565(2018)02-0159-09Study on degranulation model of RBL-2H3 cellsLIU Zhongcheng^1,2,LIU Shifang^1,2,LI Fei^1,2,WANG Nannan^1,2,ZHANG Nan^1,2,YUAN Xin^1,2,ZHANG Yanfen^2,3(1.College of Pharmaceutical Sciences,Hebei University,Baoding 071002,China;2.Key Laboratory of Pharmaceutical Quality Control of Hebei Province,Baoding 071002,China;3.Office of Science and Technology,Hebei University,Baoding 071002,China)Abstract:RBL-2H3 cells are commonly used to research on the pathogenesis of allergic diseases in vitro.In order to establish a detection model of degranulation of RBL-2H3 cells,C48/80 was used as a positive drug to analyze and compare different methods for cells degranulation detection,including the cell morphology observation,trypan blue staining,beta hexosaminidase release rate and calcium ion concentrations.Through studying the concentration and time of C48/80,the optimized drug condition was established for RBL-2H3 cell degranulation induced by C48/80.The results showed that the C48/80 concentration was 60 μg/mL with 40 min,and there was dose-effect relationship between the degree of degranulation and the beta hexosaminidase- 收稿日期:2017-11-25 基金项目:国家自然科学基金资助项目(81202338);河北省自然科学基金资助项目(H2016201121);河北省高等学校科学技术研究项目(ZD2017010);国家级大学生创新创业训练计划项目(201610075007;201710075016);河北省研究生创新项目(CXZZSS2017014);河北大学实验室开放项目(sy201665) 第一作者:刘中成(1979—),男,河北抚宁人,河北大学教授,博士,主要从事分子药理学研究.E-mail:liuzc@hbu.edu.cn 通信作者:张艳芬(1979—),女,河北邯郸人,河北大学副教授,主要从事微生物生化药学研究.E-mail:zhangjing@hbu.edu.cn第2期刘中成等:RBL-2H3细胞脱颗粒模型研究release rate.Furthermore,this method was simple and reliable,the beta hexosaminidase release rate was applied to detect the degranulation of cells in subsequent experiments.when the model of cell degranulation was successfully induced by DNP-IgE/DNP-BSA,0.4 μg/mL DNP-IgE sensitized RBL-2H3 cells overnight,and 10 μg/mL DNP-BSA induced cells,the cell degranulation was the most serious.The results also showed that the cell degranulation was affected significantly by different release mediums.These results will provide the experimental basis for further studying the allergic diseases.

Key words: basophilic leukemia granulocytes, degranulation, allergy

CLC Number:

Q291

LIU Zhongcheng,LIU Shifang,LI Fei,WANG Nannan,ZHANG Nan,YUAN Xin,ZHANG Yanfen. Study on degranulation model of RBL-2H3 cells[J]. Journal of Hebei University (Natural Science Edition), 2018, 38(2): 159-167.

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