《Chinese Journal of Rehabilitation Theory and Practice》 ›› 2020, Vol. 26 ›› Issue (5): 588-591.doi: 10.3969/j.issn.1006-9771.2020.05.019

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Association between microRNA-137 Gene Polymorphisms and Ischemic Post-stroke Depression

FU Jia-wu,WU Hao(),LI Jun-liang,YE Ye,CHEN Jing,ZHOU Hai-hong,LI You   

  1. Department of Neurology, Affiliated Hospital of Guangdong Medical University, Zhanjiang, Guangdong 524001, China
  • Received:2019-10-29 Revised:2020-01-20 Published:2020-05-25 Online:2020-05-29
  • Contact: WU Hao E-mail:21803363@qq.com
  • Supported by:
    National Science Foundation of China(81571157);Zhanjiang Research and Development Plan(2019A01024)

Abstract:

Objective To analyze the relationship between microRNA-137 gene polymorphisms and ischemic post-stroke depression (PSD).Methods January, 2017 to January, 2019, the single nucleotide polymorphism (SNP) of rs1625579 in microRNA-137 was genotyped in 250 ischemic PSD patients and 250 healthy controls with SNaPshot. The expression of microRNA-137 was measured with quantitative real-time polymerase chain reaction in the mononuclear cells, and the association of the SNP rs1625579 with microRNA-137 expression was analyzed.Results The allele T was more in the patients than in the controls (OR = 2.033, 95%CI 1.255 to 3.294, P= 0.003), as well as the genotype TT (OR = 2.139, 95%CI 1.272~3.595, P= 0.004). The microRNA-137 expression was less in the patients than in the controls (t = 28.23, P< 0.001). For the controls, the microRNA-137 expression was also less in those with genotype of TT than with GT and GG (t = 3.764, P< 0.001).Conclusion The genotype TT of SNP rs1625579 in microRNA-137 is a risk factor of susceptibility to ischemic PSD, which may associate with the decrease of expression of microRNA-137.

Key words: ischemic stroke, post-stroke depression, microRNA-137, rs1625579, gene polymorphisms

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