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1、小鼠大腦皮層星形膠質細胞不同體外培養(yǎng)方法的比較【關鍵詞】星形膠質細胞;,離體培養(yǎng);,反應性星形膠質細胞;bystin ?。壅菽康?比較離體純化和培養(yǎng)星形膠質細胞的不同方法,旨在獲得高純度的星形膠質細胞,為進一步研究奠定基礎。方法::用原代培養(yǎng)、傳代純化和一次或兩次振蕩純化的方法培養(yǎng)星形膠質細胞。結果:原代培養(yǎng)的星形膠質細胞純度不高;經(jīng)傳代純化培養(yǎng)后純度達到99%以上,bystin表達量較少,且能經(jīng)短時間模擬缺血誘導活性明顯增高;經(jīng)振蕩純化后bystin表達量明顯增多,GFAP免疫熒光變亮,能耐受長時間模擬缺
2、血,提示經(jīng)振蕩后星形膠質細胞已經(jīng)處于“活化”階段。結論:經(jīng)過傳代Na3VO4,NaF是磷酸酶抑制劑,如果你作的蛋白是磷酸酶建議不要加。Aprotinin,leupeptin,pepstatin是蛋白酶抑制劑比較昂貴,如果沒條件,只加PMSF也可以,但必須嚴格操作,防止蛋白降解。提取的蛋白放-70保存。純化的星形膠質細胞純度最高,可以經(jīng)模擬缺血誘導成反應性星形膠質細胞,因此能更好地反映其在腦中的功能,是研究星形膠質細胞在腦中的功能和反應性星形膠質細胞較好的培養(yǎng)方法?! 。坳P鍵詞]星形膠質細胞;離體培養(yǎng);反應性星形
3、膠質細胞;bystin Toestablishaculturalmethodofastrocytesbycomparisonofdifferentwaysofisolationastrocytesfrommousecerebral DUFang,WUXiao-mei,ZHULi ?。↖nstituteofNauticalMedicine,NantongUniversity,NantongJiangsu226001,China) ?。跘bstract]Objective:Comparingdifferen
4、twaysofisolationandpurifyastrocytesfrommousecerebraltissuetoestablishanoptimalculturemethodofastrocytesforfuturestudyoftheirfunctionsinthebrain.Methods:Toacquirepurifiedastrocytesbyfourusuallyusedculturalmethods:primaryculture,subcultureforthreetimes,shanken
5、overnightonceortwice.Results:Thepurityofprimaryculturewasthelowest,withthemethodofbeingsubculturedforthreetimesthepurest,appear>99%pure.Theexpressionofbys-tinwaslowandcellabilitycouldbeenhancedbyshort-timedsimulatedischemiawiththesubculturalmeth-od.Astrocyte
6、spurifiedbybeingshankenovernightonceortwicehighlyexpressedbystin,immunocytochem-icalstainingwithanti-mouseGFAPwasbrighterandcouldenduresimulatedischemiaforlongertime,whichdemonstratedthattheastrocytesmighthavebeenactivatedbyshaking.Conclusion:Withthesubcultu
7、ralmethodwecanacquirethepurestastrocytesinvitro,whichcanbeinducedtoreactiveastrocytesbysimula-tedischemia,andcanbestreflecttheirfunctionsinthebrain.It′sanoptimalmethodtoacquiretheastro-cytesforfuturestudyoftheirfunctionsinvivoandreactiveastrocytes. ?。跭eyword
8、s]astrocyte;invitro;reactiveastrocyte;bystin 在中樞神經(jīng)系統(tǒng)中,膠質細胞是主要的組成部分,其中星形膠質細胞在中樞神經(jīng)系統(tǒng)中發(fā)揮著多種作用,組成血腦脊液屏障,營養(yǎng)和支持神經(jīng)元,與神經(jīng)元突觸的發(fā)生有著密切聯(lián)系[1]。星形膠質細胞在形態(tài)學上可按突起的形狀分為纖維性星形膠質細胞(fibrousastrocyte)與原漿性星形膠質細胞(pro-top