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中华肾病研究电子杂志 ›› 2020, Vol. 09 ›› Issue (03) : 107 -111. doi: 10.3877/cma.j.issn.2095-3216.2020.03.003

所属专题: 文献

论著

YWHAZ对肾小管上皮细胞增殖的影响
王田田1, 吴玲玲1, 赵颖华1, 吴杰1, 陈香美1,()   
  1. 1. 100853 北京,解放军总医院第一医学中心肾脏病科、解放军肾脏病研究所、肾脏疾病国家重点实验室、国家慢性肾病临床医学研究中心、肾脏疾病研究北京市重点实验室
  • 收稿日期:2020-04-30 出版日期:2020-06-28
  • 通信作者: 陈香美
  • 基金资助:
    国家重点研发计划(2017YFA0103203)

Effect of YWHAZ on the proliferation of renal tubular epithelial cells

Tiantian Wang1, Lingling Wu1, Yinghua Zhao1, Jie Wu1, Xiangmei Chen1()   

  1. 1. Department of Nephrology, Chinese PLA General Hospital, Chinese PLA Institute of Nephrology, State Key Laboratory of Kidney Diseases, National Clinical Research Center for Kidney Diseases, Beijing 100853, China
  • Received:2020-04-30 Published:2020-06-28
  • Corresponding author: Xiangmei Chen
引用本文:

王田田, 吴玲玲, 赵颖华, 吴杰, 陈香美. YWHAZ对肾小管上皮细胞增殖的影响[J]. 中华肾病研究电子杂志, 2020, 09(03): 107-111.

Tiantian Wang, Lingling Wu, Yinghua Zhao, Jie Wu, Xiangmei Chen. Effect of YWHAZ on the proliferation of renal tubular epithelial cells[J]. Chinese Journal of Kidney Disease Investigation(Electronic Edition), 2020, 09(03): 107-111.

目的

探索调节蛋白酪氨酸/色氨酸羟化酶激活蛋白ζ(YWHAZ)对正常氧条件以及缺氧复氧处理的肾小管上皮细胞增殖的影响。

方法

利用人近端肾小管上皮细胞系(HK-2)通过RNAi技术以及质粒转染的方式建立YWHAZ低表达和过表达的细胞模型,观察干预YWHAZ表达后细胞的一般情况,检测细胞增殖活性;而后给予细胞缺氧复氧处理,检测细胞增殖情况的改变。

结果

成功建立YWHAZ低表达和过表达的细胞模型,低表达YWHAZ后细胞的增殖能力较对照组下降,在缺氧复氧条件下增殖能力下降更为显著,过表达YWHAZ则缓解了缺氧复氧造成的细胞增殖抑制。

结论

YWHAZ可能为维持近端肾小管上皮细胞增殖活性的重要因子。

Objective

To investigate the effect of regulatory protein tyrosine and tryptophan hydroxylase activator ζ (YWHAZ) on the proliferation of renal tubular epithelial cells under normal oxygen conditions and hypoxic-reoxygenation conditions.

Methods

Using human proximal renal tubular epithelial cell line (HK-2) through RNAi technology and plasmid transfection to establish a model of low expression and overexpression of YWHAZ, observe the general situation of cells after intervening YWHAZ expression, and detect cell proliferation activity; Then give cells hypoxia-reoxygenation treatment to detect changes in cell proliferation.

Results

Successfully established YWHAZ low and overexpression cell models. After low expression of YWHAZ, the proliferative capacity of cells decreased compared with the control group, and the proliferative capacity of cells decreased more significantly after hypoxia-reoxygenation treatment; Overexpression of YWHAZ alleviates the inhibition of cell proliferation caused by hypoxia-reoxygenation.

Conclusion

YWHAZ may be an important factor for maintaining the proliferative activity of proximal tubular epithelial cells.

表1 引物设计
图1 YWHAZ低表达细胞模型的建立
图2 YWHAZ过表达细胞模型的建立
图3 YWHAZ低表达和过表达模型的细胞增殖实验结果aP<0.0001
图4 YWHAZ低表达对缺氧复氧处理后细胞增殖的影响
图5 YWHAZ低表达对缺氧复氧处理后细胞增殖的影响
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