同种异体骨髓间充质干细胞输注对MRL/lpr狼疮鼠肾脏CXCL12/CXCR4表达的影响

R459.9%R392.4%R593.24+2; 背景:趋化因子CXCL12及其受体CXCR4在狼疮肾炎的发病中起到一定作用,探究骨髓间充质干细胞对狼疮小鼠肾脏CXCL12/CXCR4表达的影响对于进一步研究狼疮肾炎的发病机制以及骨髓间充质干细胞对狼疮肾炎的治疗机制有一定意义.目的:探讨同种异体骨髓间充质干细胞输注对MRL/lpr狼疮鼠外周血和肾脏CXCL12/CXCR4表达的影响.方法:分离培养C57BL/6小鼠骨髓间充质干细胞,扩增至第3代,细胞浓度为1×109 L-1.选取四五周龄雌性MRL/lpr小鼠15只,分为MRL/lpr组(未进行尾静脉输注)、PBS组(12周龄末注射PBS)、骨...

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Published in中国组织工程研究 Vol. 26; no. 19; pp. 3018 - 3023
Main Authors 程孟微, 汤郁, 马翠, 史伟, 郑文娟, 裘影影, 芮金兵, 王燕茹
Format Journal Article
LanguageChinese
Published 江苏大学附属医院风湿免疫科,江苏省镇江市 212000 2022
Subjects
干细胞;骨髓间充质干细胞;狼疮肾炎;系统性红斑狼疮;趋化因子;CXCL12;CXCR4
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ISSN2095-4344

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Abstract R459.9%R392.4%R593.24+2; 背景:趋化因子CXCL12及其受体CXCR4在狼疮肾炎的发病中起到一定作用,探究骨髓间充质干细胞对狼疮小鼠肾脏CXCL12/CXCR4表达的影响对于进一步研究狼疮肾炎的发病机制以及骨髓间充质干细胞对狼疮肾炎的治疗机制有一定意义.目的:探讨同种异体骨髓间充质干细胞输注对MRL/lpr狼疮鼠外周血和肾脏CXCL12/CXCR4表达的影响.方法:分离培养C57BL/6小鼠骨髓间充质干细胞,扩增至第3代,细胞浓度为1×109 L-1.选取四五周龄雌性MRL/lpr小鼠15只,分为MRL/lpr组(未进行尾静脉输注)、PBS组(12周龄末注射PBS)、骨髓间充质干细胞组(12周龄末注射骨髓间充质干细胞),每组5只,另选取5只C57BL/6小鼠为正常对照.各组小鼠在20周龄末处死,采用ELISA法检测各组小鼠外周血血浆中CXCL12的表达;流式细胞分析外周血、肾脏中B淋巴细胞表面CXCR4的表达;免疫组化染色观察肾脏中CXCL12的表达;苏木精-伊红染色观察肾脏病理变化.结果 与结论:①与C57BL/6组相比,MRL/lpr组狼疮鼠外周血血浆和肾脏中CXCL12表达增高,且外周血以及肾脏B淋巴细胞表面CXCR4的表达均增高;②与PBS组相比,骨髓间充质干细胞组狼疮鼠外周血血浆和肾脏中CXCL12表达降低,且外周血以及肾脏B淋巴细胞表面CXCR4的表达均降低;③苏木精-伊红染色观察输注骨髓间充质干细胞后狼疮鼠肾脏炎症改善;④结果表明,MRL/lpr狼疮鼠肾脏中存在CXCL12/CXCR4表达异常,骨髓间充质干细胞输注可能通过影响CXCL12/CXCR4的表达从而起治疗作用.
AbstractList R459.9%R392.4%R593.24+2; 背景:趋化因子CXCL12及其受体CXCR4在狼疮肾炎的发病中起到一定作用,探究骨髓间充质干细胞对狼疮小鼠肾脏CXCL12/CXCR4表达的影响对于进一步研究狼疮肾炎的发病机制以及骨髓间充质干细胞对狼疮肾炎的治疗机制有一定意义.目的:探讨同种异体骨髓间充质干细胞输注对MRL/lpr狼疮鼠外周血和肾脏CXCL12/CXCR4表达的影响.方法:分离培养C57BL/6小鼠骨髓间充质干细胞,扩增至第3代,细胞浓度为1×109 L-1.选取四五周龄雌性MRL/lpr小鼠15只,分为MRL/lpr组(未进行尾静脉输注)、PBS组(12周龄末注射PBS)、骨髓间充质干细胞组(12周龄末注射骨髓间充质干细胞),每组5只,另选取5只C57BL/6小鼠为正常对照.各组小鼠在20周龄末处死,采用ELISA法检测各组小鼠外周血血浆中CXCL12的表达;流式细胞分析外周血、肾脏中B淋巴细胞表面CXCR4的表达;免疫组化染色观察肾脏中CXCL12的表达;苏木精-伊红染色观察肾脏病理变化.结果 与结论:①与C57BL/6组相比,MRL/lpr组狼疮鼠外周血血浆和肾脏中CXCL12表达增高,且外周血以及肾脏B淋巴细胞表面CXCR4的表达均增高;②与PBS组相比,骨髓间充质干细胞组狼疮鼠外周血血浆和肾脏中CXCL12表达降低,且外周血以及肾脏B淋巴细胞表面CXCR4的表达均降低;③苏木精-伊红染色观察输注骨髓间充质干细胞后狼疮鼠肾脏炎症改善;④结果表明,MRL/lpr狼疮鼠肾脏中存在CXCL12/CXCR4表达异常,骨髓间充质干细胞输注可能通过影响CXCL12/CXCR4的表达从而起治疗作用.
Author 汤郁
郑文娟
裘影影
马翠
史伟
芮金兵
程孟微
王燕茹
AuthorAffiliation 江苏大学附属医院风湿免疫科,江苏省镇江市 212000
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Author_FL Ma Cui
Zheng Wenjuan
Qiu Yingying
Cheng Mengwei
Tang Yu
Wang Yanru
Rui Jinbing
Shi Wei
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Keywords 干细胞;骨髓间充质干细胞;狼疮肾炎;系统性红斑狼疮;趋化因子;CXCL12;CXCR4
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Title 同种异体骨髓间充质干细胞输注对MRL/lpr狼疮鼠肾脏CXCL12/CXCR4表达的影响
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