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《羟基红花黄色素A对MPP+诱导的SH-SY5Y细胞凋亡的保护作用.pdf》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、第35卷第5期西安交通大学学报(医学版)Vo1.35No.52014年9月JournalofXi’anJiaotongUniversity(MedicalSciences)Sep.2014◇中医药研究◇羟基红花黄色素A对MPP+诱导的SH—SY5Y细胞凋亡的保护作用潘剑,李绍平,李建雄。,连佛彦。,黄燕,秦龙(兰州大学第二医院:1.急救中心,2.神经内科,3.内科ICU,4.药学部,甘肃兰州730030)摘要:目的观察羟基红花黄色素A(HSYA)对MPP诱导的SH—SY5Y细胞凋亡的保护作用,并探讨其作用机制。方法采用MTT法检
2、测细胞存活率,流式细胞术检测细胞凋亡率;二乙酸二氯荧光素盐(DCFH—DA)法检测细胞内活性氧(ROS)含量;罗丹明123(Rhodaminel23)染色法检测细胞线粒体膜电位;Westernblot法检测Cyt—C、Bcl一2、Bax、Caspase-3和Caspase-9的表达。结果1mmol/LMPP。。处理SH—SY5Y细胞48h后,细胞存活率显著降低,并诱导细胞产生凋亡,凋亡率达(38.6±1.8)。而HSYA(15、60、120mol/L)预处理1h,可明显增加SH—SY5Y细胞存活率(P3、MPP。。诱导的细胞调亡(P%0.01);可明显抑制MPP诱导的细胞内ROS的增加(P4、键词:羟基红花黄色素A;SH—SYSY细胞;细胞凋亡;线粒体中图分类号:R285文献标志码:A文章编号:1671—8259(2014)05—0690—05D0I:10.7652/jdyxb201405025ProtectiveeffectsofhydroxysaffloryellowAagainstMpp+-inducedapoptosisinSH-SY5YcellsPANJian,LIShao—ping,LIJian~xiong,LIANFo—yan。,HUANGYan,QINLong(1.EmergencyCenter,2.5、DepartmentofNeurology,3.IntensiveCareUnitofInternalMedicine,4.DepartmentofPharmacy,LanzhouUniversitySecondHospital,Lanzhou730030,China)ABSTRACT:ObjectiveToinvestigatetheneuroprotectiveeffectofhydroxysaffloryellowA(HSYA)onMPP一inducedapoptosisinSH.SY5Ycellsanditsrelate6、dmechanisms.MethodsCellviabilitywasanalyzedusingMTTassay.Cellapoptosiswasmeasuredbyflowcytometry.Thelevelofreactiveoxygenspecies(ROS)withinthecellswasanalyzedbyfluorometricprobeDCFH-DAassayandmitochondrialtransmembranepotentialwasrevealedbyrhodamine123staining.Theexp7、ressionsofcytosolicCyt—C,Bcl一2,Bax,Caspase一3andCaspase一9wereanalyzedbyWesternblot.ResultsThecellviabilitywassignificantlydecreasedby1mmol/LMPP,andthepercentageofapoptosisincreasedto(38.6-_4-1.8)%,butwasreversedbyHSYApretreatmentofdifferentconcentrations(15。60and120,a8、mol/L)(P<0.001,P<0.01,respectively).PretreatmentofHSYAreversedtheincreaseofROS,cytosolicCyt—C,Caspase一3andCaspase一9(P<0.001,P<0.05,
3、MPP。。诱导的细胞调亡(P%0.01);可明显抑制MPP诱导的细胞内ROS的增加(P4、键词:羟基红花黄色素A;SH—SYSY细胞;细胞凋亡;线粒体中图分类号:R285文献标志码:A文章编号:1671—8259(2014)05—0690—05D0I:10.7652/jdyxb201405025ProtectiveeffectsofhydroxysaffloryellowAagainstMpp+-inducedapoptosisinSH-SY5YcellsPANJian,LIShao—ping,LIJian~xiong,LIANFo—yan。,HUANGYan,QINLong(1.EmergencyCenter,2.5、DepartmentofNeurology,3.IntensiveCareUnitofInternalMedicine,4.DepartmentofPharmacy,LanzhouUniversitySecondHospital,Lanzhou730030,China)ABSTRACT:ObjectiveToinvestigatetheneuroprotectiveeffectofhydroxysaffloryellowA(HSYA)onMPP一inducedapoptosisinSH.SY5Ycellsanditsrelate6、dmechanisms.MethodsCellviabilitywasanalyzedusingMTTassay.Cellapoptosiswasmeasuredbyflowcytometry.Thelevelofreactiveoxygenspecies(ROS)withinthecellswasanalyzedbyfluorometricprobeDCFH-DAassayandmitochondrialtransmembranepotentialwasrevealedbyrhodamine123staining.Theexp7、ressionsofcytosolicCyt—C,Bcl一2,Bax,Caspase一3andCaspase一9wereanalyzedbyWesternblot.ResultsThecellviabilitywassignificantlydecreasedby1mmol/LMPP,andthepercentageofapoptosisincreasedto(38.6-_4-1.8)%,butwasreversedbyHSYApretreatmentofdifferentconcentrations(15。60and120,a8、mol/L)(P<0.001,P<0.01,respectively).PretreatmentofHSYAreversedtheincreaseofROS,cytosolicCyt—C,Caspase一3andCaspase一9(P<0.001,P<0.05,
4、键词:羟基红花黄色素A;SH—SYSY细胞;细胞凋亡;线粒体中图分类号:R285文献标志码:A文章编号:1671—8259(2014)05—0690—05D0I:10.7652/jdyxb201405025ProtectiveeffectsofhydroxysaffloryellowAagainstMpp+-inducedapoptosisinSH-SY5YcellsPANJian,LIShao—ping,LIJian~xiong,LIANFo—yan。,HUANGYan,QINLong(1.EmergencyCenter,2.
5、DepartmentofNeurology,3.IntensiveCareUnitofInternalMedicine,4.DepartmentofPharmacy,LanzhouUniversitySecondHospital,Lanzhou730030,China)ABSTRACT:ObjectiveToinvestigatetheneuroprotectiveeffectofhydroxysaffloryellowA(HSYA)onMPP一inducedapoptosisinSH.SY5Ycellsanditsrelate
6、dmechanisms.MethodsCellviabilitywasanalyzedusingMTTassay.Cellapoptosiswasmeasuredbyflowcytometry.Thelevelofreactiveoxygenspecies(ROS)withinthecellswasanalyzedbyfluorometricprobeDCFH-DAassayandmitochondrialtransmembranepotentialwasrevealedbyrhodamine123staining.Theexp
7、ressionsofcytosolicCyt—C,Bcl一2,Bax,Caspase一3andCaspase一9wereanalyzedbyWesternblot.ResultsThecellviabilitywassignificantlydecreasedby1mmol/LMPP,andthepercentageofapoptosisincreasedto(38.6-_4-1.8)%,butwasreversedbyHSYApretreatmentofdifferentconcentrations(15。60and120,a
8、mol/L)(P<0.001,P<0.01,respectively).PretreatmentofHSYAreversedtheincreaseofROS,cytosolicCyt—C,Caspase一3andCaspase一9(P<0.001,P<0.05,
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