中华临床医师杂志(电子版)
中華臨床醫師雜誌(電子版)
중화림상의사잡지(전자판)
CHINESE JOURNAL OF CLINICIANS(ELECTRONIC VERSION)
2013年
7期
2963-2967
,共5页
孙昆%李彤%钟根深%段东印%李合华%宋志秀%李莉
孫昆%李彤%鐘根深%段東印%李閤華%宋誌秀%李莉
손곤%리동%종근심%단동인%리합화%송지수%리리
间质干细胞%神经干细胞%移植途径
間質榦細胞%神經榦細胞%移植途徑
간질간세포%신경간세포%이식도경
Mesenchymal stem cells%Neural stem cells%Migration path
目的对比不同移植方式移植人脐带间充质干细胞(hUC-MSCs)对成体神经干细胞的原位激活,确定最佳移植途径。方法正常大鼠60只,随机分为对照组、静脉、动脉、蛛网膜下腔移植组。每组15只,各实验组移植数量相同的hUC-MSCs,对照组以假手术组为对照,移植后1、3、7 d,利用免疫组织化学方法检测脑组织中BrdU、Nestin的表达。结果对照组BrdU无表达,实验组hUC-MSC在脑内均有BrdU细胞表达,不同途径在1 d、3 d、7 d表达差异有统计学意义(P均<0.001),蛛网膜下腔途径表达最明显;不同途径随时间表达无统计学差异( P>0.05)。 Nestin在各组均有细胞表达,分别在1 d、3 d、7 d三个时间点组所测结果与各相应时间点对照组相比( P均<0.001),蛛网膜下腔途径表达最明显;对照组不同途径随时间表达无统计学差异( P均>0.05),各实验组随时间表达差异有统计学意义( P均<0.001)。结论 hUC-MSCs可能对内源性神经干细胞有激活作用,并对神经细胞具营养作用;hUC-MSCs经静脉、动脉、蛛网膜下腔三种途径移植,蛛网膜下腔入路可能是最有效的途径。
目的對比不同移植方式移植人臍帶間充質榦細胞(hUC-MSCs)對成體神經榦細胞的原位激活,確定最佳移植途徑。方法正常大鼠60隻,隨機分為對照組、靜脈、動脈、蛛網膜下腔移植組。每組15隻,各實驗組移植數量相同的hUC-MSCs,對照組以假手術組為對照,移植後1、3、7 d,利用免疫組織化學方法檢測腦組織中BrdU、Nestin的錶達。結果對照組BrdU無錶達,實驗組hUC-MSC在腦內均有BrdU細胞錶達,不同途徑在1 d、3 d、7 d錶達差異有統計學意義(P均<0.001),蛛網膜下腔途徑錶達最明顯;不同途徑隨時間錶達無統計學差異( P>0.05)。 Nestin在各組均有細胞錶達,分彆在1 d、3 d、7 d三箇時間點組所測結果與各相應時間點對照組相比( P均<0.001),蛛網膜下腔途徑錶達最明顯;對照組不同途徑隨時間錶達無統計學差異( P均>0.05),各實驗組隨時間錶達差異有統計學意義( P均<0.001)。結論 hUC-MSCs可能對內源性神經榦細胞有激活作用,併對神經細胞具營養作用;hUC-MSCs經靜脈、動脈、蛛網膜下腔三種途徑移植,蛛網膜下腔入路可能是最有效的途徑。
목적대비불동이식방식이식인제대간충질간세포(hUC-MSCs)대성체신경간세포적원위격활,학정최가이식도경。방법정상대서60지,수궤분위대조조、정맥、동맥、주망막하강이식조。매조15지,각실험조이식수량상동적hUC-MSCs,대조조이가수술조위대조,이식후1、3、7 d,이용면역조직화학방법검측뇌조직중BrdU、Nestin적표체。결과대조조BrdU무표체,실험조hUC-MSC재뇌내균유BrdU세포표체,불동도경재1 d、3 d、7 d표체차이유통계학의의(P균<0.001),주망막하강도경표체최명현;불동도경수시간표체무통계학차이( P>0.05)。 Nestin재각조균유세포표체,분별재1 d、3 d、7 d삼개시간점조소측결과여각상응시간점대조조상비( P균<0.001),주망막하강도경표체최명현;대조조불동도경수시간표체무통계학차이( P균>0.05),각실험조수시간표체차이유통계학의의( P균<0.001)。결론 hUC-MSCs가능대내원성신경간세포유격활작용,병대신경세포구영양작용;hUC-MSCs경정맥、동맥、주망막하강삼충도경이식,주망막하강입로가능시최유효적도경。
Objective To compare the different transplantation ,hUC-MSCs the adult NSC situ activation ,to determine the best migration path .Methods 60 normal rats were randomly divided into control group ,vein,artery, subarachnoid transplantation group ( n=15 ) , the hUC-MSCs transplantation the same number of each experimental group,the control group ,sham operation group control ,day after transplantation ,3 d,7 d,text method in which using immunohistochemistry to detect brain tissue in BrdU Nestin expression .Results In the control group , the BrdU expression the experimental group Huc-MSC in the brain had BrdU cells expressing different ways in 1 d,3 d,7 d expression difference was significant ( P<0.001 ) ,the subarachnoid channels to express the most obvious;Expression had no significant difference(P>0.05)different ways over time.Nestin expression cells in each group,in 1 d,3 d, 7 d three time points group measured compared to the results with the corresponding time points in control group ( P<0.001 ) , subarachnoid way to express the most obvious;control set of different ways to express no significant difference(P>0.05)over time,in each experimental group expressed over time the difference was significant (P<0.001 ) .Conclusion hUC-MSCs may be activated endogenous NSC , and nerve cells with nutrition;hUC-MSCs through the veins ,arteries,the subarachnoid three ways transplantation ,the subarachnoid approach may be the most effective way .