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CD14启动子-159位点基因多态性与中国朝鲜族2型糖尿病足患者足背动脉硬化相关性研究

2021-01-28AmitSinha金香子于婕郑寿焕金光明

中国现代医生 2021年33期
关键词:糖尿病

Amit Sinha 金香子 于婕 郑寿焕 金光明

[摘要] 目的 研究CD14基因-159位点基因多态性与中国朝鲜族2型糖尿病足患者(DF)足背动脉硬化(FDA)的关联性。 方法 选取2018年10月至2020年5月在延边大学附屬医院内分泌科及手足外科住院的朝鲜族DF患者286例,彩色多普勒超声观察患者FDA情况,将存在FDA的患者分为无溃疡组(NFDAU组)和有溃疡组(FDAU组),记录全部2型糖尿病(Type 2 diabetic mellitus,T2DM)患者血液生化指标。同时,应用聚合酶链反应-限制性片段长度多态性技术对所有DF患者的CD14基因-159位点进行基因型分析。 结果 无溃疡组和有溃疡组CD14基因-159位点上,各基因型及等位基因频率比较,差异无统计学意义(χ2=1.801,P>0.05;χ2=1.864,P>0.05);CC基因与CT及TT基因基因频率比较,差异有统计学意义(χ2=0.009,P<0.05);NFDAU组和FDAU组在病程、吸烟饮酒、高血糖及高尿酸指标方面比较,差异有统计学意义(P<0.05);Logistic回归分析显示,病程、吸烟饮酒及C等位基因均与FDAU相关联(P<0.05)。 结论 CD14基因-159位点基因多态性与中国朝鲜族DF并发FDA相关,其中CC纯合子基因是DF患者并发FDAU的遗传学风险因素。病程、吸烟、饮酒及C等位基因是FDAU的危险因素。

[关键词] CD14基因-159位点;基因多态性;2型糖尿病足;足背动脉硬化;溃疡;彩色多普勒超声

[中图分类号] R575.2          [文献标识码] A          [文章编号] 1673-9701(2021)33-0006-05

[Abstract] Objective To study the association between gene polymorphism of -159 locus in CD14 gene promoter and foot dorsal arteriosclerosis (FDA) in Chinese Korean type 2 diabetic foot patients (DF). Methods A total of 286 Korean DF patients hospitalized in the Department of Endocrinology and Department of Hand and Foot Surgery in Yanbian University Hospital from October 2018 to May 2020 were selected. The FDA status of the patients was observed using color Doppler ultrasound. The patients with FDA were classified as the non-ulcer group(NFDAU) and the ulcer group (FDAU). All biochemical blood indicators of type 2 diabetic mellitus (T2DM) patients were recorded. At the same time, the polymerase chain reaction-restriction fragment length polymorphism technique was used to perform genotype analysis on the-159 locus of CD14 gene in all DF patients. Results There was no statistically significant difference in the genotypes and allele frequencies at-159 locus of CD14 gene between the non-ulcer group(NFDAU) and the ulcer group (FDAU) (χ2=1.801, P>0.05; χ2=1.864, P>0.05). The gene frequency difference between CC, CT and TT genes was statistically significant (χ2=0.009, P<0.05).There were significant differences in disease course, smoking and drinking, hyperglycemia,and hyperuric acid indicators between NFDAU and FDAU(P<0.05).Logistic regression analysis showed that the course of disease, smoking and drinking, and C allele were all associated with FDAU(P<0.05). Conclusion The polymorphism of 159 locus of CD14 gene is associated with FDA in Chinese Koreans with DF. The CC homozygous gene is a genetic risk factor for DF patients with FDAU. The course of disease, smoking, drinking and C allele are risk factors for FDAU.

[Key words] 159 Locus in CD14 gene; Gene polymorphism; Type 2 diabetic foot; Foot dorsal arteriosclerosis; Ulcer; Color Doppler ultrasound

糖尿病足(Diabetic feet,DF)是糖尿病所有并发症中最为严重、凶险的类型,可引起患者截肢、残疾,重者可导致下肢坏疽、感染、甚至病死。DF包括以下两个阶段,即糖尿病周围神经病变(Diabetic peripheral neuropathy,DPN)及足背动脉硬化(Foot dorsal arteriosclerosis,FDA),两者相互关联、互相演进,直接导致患者生存质量严重下降,并威胁患者生命。然而,目前临床对其尚缺乏有效的治疗手段。因此,越来越多的观点认为在DF发病前采取早期干预和治疗意义重大[1]。多年来,本课题组一直从事CD14基因-159位点基因多态性与2型糖尿病(Type 2 diabetic mellitus,T2DM)患者血管病变相关性的研究,本研究发现该基因多态性与T2DM患者颈动脉粥样硬化斑块形成、左心室肥厚密切相关,且-159位点的基因突变可引起T2DM患者微血管血流动力学发生变化,最终导致视网膜中央动脉、肾动脉发生一系列病变[2-4],但目前国际和国内关于其与足背动脉硬化关联的研究较少,这也为本研究提供了进一步研究的空间和思路。

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