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Relationship between serum lncRNA DLX6-AS1 and miR - 335 - 3p and microvascular damage in patients with diabetic retinopathy

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Author:
No author available
Journal Title:
International Eye Science
Issue:
12
DOI:
10.3980/j.issn.1672-5123.2022.12.06
Key Word:
糖尿病视网膜病变;微血管损伤;长链非编码RNA无远端同源框6反义1(lncRNA DLX6-AS1);微小RNA-335-3p(miR-335-3p)

Abstract: 目的:探讨血清长链非编码RNA(lncRNA)无远端同源框6反义1(DLX6-AS1)、微小RNA-335-3p(miR-335-3p)与糖尿病视网膜病变(DR)患者微血管损伤的关系.方法:前瞻性研究.选取2019-02/2021-12我院2型糖尿病(T2DM)患者160例,根据DR分期标准,分为无DR(NDR)组69例、非增殖型DR(NPDR)组48例、增殖型DR(PDR)组43例.比较三组患者血清lncRNA DLX6-AS1、miR-335-3p、血管内皮生长因子(VEGF)以及内皮细胞(ECs)、内皮祖细胞(EPCs)水平.Pearson法进行各指标相关性分析.Logistic回归模型分析影响T2DM患者发生DR的因素.结果:NDR组、NPDR组、PDR组患者血清miR-335-3p表达水平及EPCs比例逐次减少,lncRNA DLX6-AS1、VEGF表达水平及ECs比例逐次增加(均P<0.05).DR患者血清lncRNA DLX6-AS1与miR-335-3p负相关(r=-0.668,P<0.01).NPDR组、PDR组血清lncRNA DLX6-AS1与miR-335-3p表达水平均呈负相关性(r=-0.647、-0.675,均P<0.01),lncRNA DLX6-AS1与VEGF均呈正相关(r=0.619、0.630,均P<0.01),VEGF与miR-335-3p均呈负相关(r=-0.625、-0.649,均P<0.01);PDR组lncRNA DLX6-AS1与ECs呈正相关,与EPCs呈负相关(r=0.528、-0.594,均P<0.01),miR-335-3p与ECs呈负相关,与EPCs均呈正相关(r=-0.554、0.586,均P<0.01).多因素回归分析显示,lncRNA DLX6-AS1(OR=2.484,95%CI:1.366~4.516)、miR-335-3p(OR=2.171,95%CI:1.218~3.871、VEGF(OR=1.603,95%CI:1.115~2.304)是T2DM患者发生DR的危险因素(均P<0.05).结论:DR患者血清中lncRNA DLX6-AS1表达上调,miR-335-3p表达下调,lncRNA DLX6-AS1与miR-335-3p呈负相关,二者异常表达均与DR患者微血管损伤有关.

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