小鼠星形胶质细胞原代培育及分离纯化实验方案经过相关文献阅读,参考了众多对于小胶质细胞培育方案,对比了不同方案的利弊优缺,整合了相对符合本实验室条件和实验要求的方法,如有其他变更方案,以修改后为准.1. 实验材料与试剂剪 刀 、 小 镊 子 、 小 毛 刷 、 DMEM/F12 培 育 液 、 胎 牛 血 清 、 马 血 清 、0。25%,0。05%胰蛋白酶、PBS液、青霉素、链霉素、培育皿离心管、50 mL 细胞培育瓶、CO2 恒温细胞培育箱、倒置相差显微镜、细胞板、荧光标记二抗、0.4% Trypan Blue染色液、抗小鼠OX42单克隆抗体和新生SD小鼠等 试剂配比:(1) DMEM 10:10:1DMEM , 10%FBS , 10 % Horse Serum , 1% Penicillin/Streptomycin (P/S)(2) DMEM 5:5:1DMEM, 5% FBS, 5% of Horse Serum, 1% P/S(3) SERUM FREE MEDIUM +GROWTH FACTORS(DMEM/F12无血清培育基+生长因子)25μg/ml转铁蛋白,10nM生物素,30 nM亚硒酸钠,1μg/ml putrescine(腐胺),5μg/ml胰岛素, 20 nMhydrocortisone(氢化可的松),20 nMprogesterone(孕激素),1%P / S+生长因子(5ng/ ml的血小板衍生生长因子PDGF-AA和5ng / ml碱性成纤维细胞生长因子bFGF)胰蛋白酶/ EDTA溶液0.05%胰蛋白酶+0。02%EDTA在W / O内Ca2+ / Mg2 +的HBSSDMEM/F12 containing 25 μg/ml transferrin, 10 nM biotin, 30 nM sodium selenite, 1 μg/ml putrescine, 5 μg/ml insulin, 20 nM hydrocortisone, 20 nM progesterone, 1% P/S + Growth Factors (5 ng/ml PDGF-AA and 5 ng/ml bFGF)Trypsin/EDTA solution 0。05% Trypsin + 0,02% EDTA in HBSS w/o Ca2+/Mg2+ Laminar flow hood Dissecting magnifying glass Water bath at 37ºC Humidified tissue culture incubator (37ºC, 5% CO2) Sterilized microdissecting instruments: large dissecting scissors, mouse—teeth forceps, curved forceps and fine Dumont forceps Orbital Shaker (Boeco OS 20) Tabletop centrifuge 50 ml plastic conical tubes (Sarstedt, 62.547.004) T75 cm2 tissue culture flasks with plug-seal (BD Falcon, 137787) Tissue culture plates (Falcon)...