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当归多糖对D-半乳糖致小鼠肾脏亚急性损伤的保护作用及机制
引用本文:樊艳玲,夏婕妤,贾道勇,张梦思,张岩岩,王璐,黄国宁,王亚平. 当归多糖对D-半乳糖致小鼠肾脏亚急性损伤的保护作用及机制[J]. 中国中药杂志, 2015, 40(21): 4229-4233
作者姓名:樊艳玲  夏婕妤  贾道勇  张梦思  张岩岩  王璐  黄国宁  王亚平
作者单位:重庆医科大学干细胞与组织工程研究室组织学与胚胎学教研室, 重庆 400016,重庆医科大学干细胞与组织工程研究室组织学与胚胎学教研室, 重庆 400016,重庆医科大学干细胞与组织工程研究室组织学与胚胎学教研室, 重庆 400016,重庆医科大学干细胞与组织工程研究室组织学与胚胎学教研室, 重庆 400016,重庆医科大学干细胞与组织工程研究室组织学与胚胎学教研室, 重庆 400016,重庆医科大学干细胞与组织工程研究室组织学与胚胎学教研室, 重庆 400016,重庆市妇幼保健院生殖与遗传研究所, 重庆 400016,重庆医科大学干细胞与组织工程研究室组织学与胚胎学教研室, 重庆 400016
基金项目:国家自然科学基金项目(30973818)
摘    要:
探讨当归多糖(ASP)对D-半乳糖诱导致小鼠肾脏亚急性损伤的保护作用及机制。雄性C57BL/6J小鼠随机分为3组,每组10只。模型组:小鼠皮下注射D-半乳糖(120 mg·kg-1),qd×42;ASP组:从D-半乳糖模型复制的第8天起,腹腔注射ASP(100 mg·kg-1),qd×35;正常对照组:小鼠皮下注射等时与等量生理盐水。药物注射完成第2天,采外周血检测尿素氮(BUN)、肌酐(Crea)、尿酸(UA)、胱抑素C(Cys-C)含量;取肾脏制备石蜡切片,HE染色观察肾脏组织形态学,衰老相关β-半乳糖苷酶(SA-β-Gal)染色观察肾组织中染色阳性细胞相对光密度(ROD),透射电镜观察肾脏超微结构变化;制备肾脏组织匀浆检测超氧化物歧化酶(SOD)、谷胱甘肽过氧化物酶(GSH-PX)活性和丙二醛(MDA)的含量;ELISA方法检测肾脏晚期糖基化终产物(AGEs)和8-羟基脱氧鸟苷(8-OH-dG)的含量。结果表明与模型组相比较,ASP组小鼠血清中BUN,Crea,UA,Cys-C,AGEs和8-OH-dG含量显著下降;肾小球数目增多,硬化肾小球减少,肾小囊腔与肾小管管腔扩张不明显;SA-β-Gal染色阳性细胞的相对光密度降低且颗粒小;超微病理呈现肾小球系膜细胞减少,基底膜变薄,足细胞核糖体和粗面内质网明显增多,足细胞次级突起融合减少;SOD与GSH-PX活性显著增加;MDA含量下降。综上所述,当归多糖能拮抗D-半乳糖致小鼠肾脏亚急性损伤,其保护肾脏机制可能与抑制氧化应激损伤有关。

关 键 词:当归多糖  D-半乳糖  肾损伤  保护机制
收稿时间:2015-02-13

Protective effect of Angelica sinensis polysaccharides on subacute renal damages induced by D-galactose in mice and its mechanism
FAN Yan-ling,XIA Jie-yu,JIA Dao-yong,ZHANG Meng-si,ZHANG Yan-yan,WANG Lu,HUANG Guo-ning and WANG Ya-ping. Protective effect of Angelica sinensis polysaccharides on subacute renal damages induced by D-galactose in mice and its mechanism[J]. China Journal of Chinese Materia Medica, 2015, 40(21): 4229-4233
Authors:FAN Yan-ling  XIA Jie-yu  JIA Dao-yong  ZHANG Meng-si  ZHANG Yan-yan  WANG Lu  HUANG Guo-ning  WANG Ya-ping
Affiliation:Laboratory of Stem Cells and Tissue Engineering, Department of Histology and Embryology, Chongqing Medical University, Chongqing 400016, China,Laboratory of Stem Cells and Tissue Engineering, Department of Histology and Embryology, Chongqing Medical University, Chongqing 400016, China,Laboratory of Stem Cells and Tissue Engineering, Department of Histology and Embryology, Chongqing Medical University, Chongqing 400016, China,Laboratory of Stem Cells and Tissue Engineering, Department of Histology and Embryology, Chongqing Medical University, Chongqing 400016, China,Laboratory of Stem Cells and Tissue Engineering, Department of Histology and Embryology, Chongqing Medical University, Chongqing 400016, China,Laboratory of Stem Cells and Tissue Engineering, Department of Histology and Embryology, Chongqing Medical University, Chongqing 400016, China,Chongqing Reproductive and Genetic Institute, Chongqing Obstetric and Gynecology Hospital, Chongqing 400016, China and Laboratory of Stem Cells and Tissue Engineering, Department of Histology and Embryology, Chongqing Medical University, Chongqing 400016, China
Abstract:
Keywords:Angelica sinensis polysaccharides  D-galactose  renal injury  protective mechanism
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