中文版 | English
Title

Klotho促进高糖介导的人肾小管上皮细胞的自噬

Alternative Title
Klotho promotes high-glucose-mediated autophagy of human renal tubule cells
Author
Publication Years
2022
DOI
Source Title
ISSN
1008-1372
Volume24Issue:6Pages:844-848,853
Abstract
目的:探讨Klotho通过腺苷酸活化蛋白激酶(AMPK)和胞外信号调控激酶(ERK)途径对高糖条件下人肾小管上皮细胞自噬的影响。方法:将体外培养人肾小管上皮细胞分为对照组和高糖(HG组,加入30 mmol/L葡萄糖);按照转染pcDNA3.1-Vector或pcDNA3.1-Klotho分为两组:Vector组和Klotho组;按照转染pcDNA3.1-Klotho后是否加入AMPK抑制剂compound C或ERK抑制剂curcumin和高糖刺激分为4组:HG+Vector组、HG+Klotho组、HG+Klotho+compound C组和HG+Klotho+curcumin组。采用实时荧光定量PCR(qRT-PCR)和蛋白免疫印迹(Western blot)法检测各组细胞Klotho的表达;Western blot法检测LC3-Ⅱ/LC3-Ⅰ,p-AMPK/AMPK和p-ERK/ERK的相对表达;透射电镜观察人肾小管上皮细胞自噬体的变化。结果:HG组人肾小管上皮细胞中Klotho蛋白和mRNA相对表达量显著低于对照组(均 P<0.05);Klotho组LC3-Ⅱ/LC3-Ⅰ显著高于Vector组( P<0.05);Klotho组的自噬体数量也较Vector组明显增加( P<0.05);Klotho组p-AMPK/AMPK显著高于Vector组( P<0.05),而p-ERK/ERK显著低于Vector组( P<0.05)。HG+Klotho+compound C组中p-AMPK/AMPK蛋白相对表达量(0.44±0.04)显著低于HG+Klotho组(0.79±0.08)( P<0.01),HG+Klotho+curcumin组中p-ERK/ERK蛋白相对表达量(1.05±0.12)显著高于HG+Klotho组(0.56±0.05)( P<0.01)。HG+Klotho+compound C组和HG+Klotho+curcumin组中LC3-Ⅱ/LC3-Ⅰ蛋白相对表达量(0.79±0.12;0.68±0.09)显著低于HG+Klotho组(1.65±0.20)(均 P<0.01)。 结论:Klotho可通过激活AMPK和抑制ERK通路增强高糖条件下人肾小管上皮细胞的自噬。
Keywords
URL[Source Record]
Language
Chinese
SUSTech Authorship
First
Data Source
WanFang
WanFangID
zgyszz202206010
Citation statistics
Cited Times [WOS]:0
Document TypeJournal Article
Identifierhttp://kc.sustech.edu.cn/handle/2SGJ60CL/401930
DepartmentShenzhen People's Hospital
Affiliation
1.深圳市人民医院,暨南大学第二临床医学院,南方科技大学第一附属医院内分泌科,深圳 518020
2.南方医科大学南方医院内分泌代谢科,深圳 510515
3.深圳市人民医院,暨南大学第二临床医学院,南方科技大学第一附属医院科研科,深圳 518020
4.深圳市人民医院,暨南大学第二临床医学院,南方科技大学第一附属医院老年病科,深圳 518020
First Author AffilicationShenzhen People's Hospital
First Author's First AffilicationShenzhen People's Hospital
Recommended Citation
GB/T 7714
薛萌,杨烽,梁倩,等. Klotho促进高糖介导的人肾小管上皮细胞的自噬[J]. 中国医师杂志,2022,24(6):844-848,853.
APA
薛萌,杨烽,梁倩,王炳森,乐颖,&梁真.(2022).Klotho促进高糖介导的人肾小管上皮细胞的自噬.中国医师杂志,24(6),844-848,853.
MLA
薛萌,et al."Klotho促进高糖介导的人肾小管上皮细胞的自噬".中国医师杂志 24.6(2022):844-848,853.
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