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血清sCD163水平与糖尿病性骨质疏松的关系

2017-10-23陈爱宝曾国庆龚琦

中国医药导报 2017年27期
关键词:血清糖尿病水平

陈爱宝 曾国庆 龚琦

[摘要] 目的 探讨糖尿病(DM)患者骨密度(BMD)变化与血清可溶性血红蛋白清道夫受体(sCD163)的关系。方法 选择2015 年1 月~2016年4 月在解放军第425医院就诊的2型糖尿病患者82例为糖尿病组,再分为骨质疏松组(45例)和非骨质疏松组(37例),同时选取健康人30例作为对照组。双能X线骨密度仪测定受试者腰椎L1~L4的BMD,全自动生化分析仪测定受试者空腹血糖(FPG)、糖化血红蛋白(HbA1c),ELISA法测定受试者血清sCD163水平。 结果 糖尿病组FGP、HbA1c、sCD163均高于对照组,差异有统计学意义(P < 0.05);糖尿病组的BMD低于对照组,差异有统计学意义(P < 0.05)。糖尿病骨质疏松组的sCD163水平高于非骨质疏松组,而骨质疏松组的BMD水平低于非骨质疏松组,差异有统计学意义(P < 0.05)。Pearson相关性分析显示:sCD163水平与BMD呈负相关(r= -0.880,P < 0.05)。Logistic回归分析结果表明sCD163是糖尿病性骨质疏松的风险因素(OR = 1.490,P < 0.05)。 结论 血清sCD163的变化与糖尿病骨质疏松的发生密切相关。

[关键词] 糖尿病;骨质疏松;骨密度;可溶性血红蛋白清道夫受体

[中图分类号] R681 [文献标识码] A [文章编号] 1673-7210(2017)09(c)-0101-04

[Abstract] Objective To investigate the correlation of the bone mineral density (BMD) in patients with type 2 diabetes mellitus with sCD163. Methods From January 2015 to April 2016, in 425th Hospital of PLA, 82 patients with type 2 diabetes mellitus were selected as DM group, DM group was divided into osteoporotic DM group (45 cases) and non-osteoporotic DM group (37 cases), at the same time, 30 healthy persons were enrolled as the control group. BMD of lumbar span (L1-L4) was measured with dual energy X-ray absorptiometry, the levels of FPB and HbA1c were analysed by automatic biochemistry analyzer. The serum level of sCD163 was detected by ELISA. Results The levels of FGP, HbA1c, sCD163 in DM group were significantly higher than those in control group (P < 0.05). The BMD in DM group was significantly lower than that in control group (P < 0.05). The level of sCD163 in osteoporotic DM group was significantly higher than that in non-osteoporotic DM group (P < 0.05), and the level of BMD more declined in osteoporotic DM group than that in non-osteoporotic DM group (P < 0.05). Furthermore, the result of Pearson correlation analysis indicated that BMD was negatively correlated with sCD163 (r = -0.880, P < 0.05). Logistic regression analysis indicated that in DM patients sCD163 was the risk factor for osteoporosis (OR = 1.490, P < 0.05). Conclusion The increased level of sCD163 is related to the osteoporosis in DM.

[Key words] Diabetes mellitus; Osteoporosis; Bone mineral density; sCD163

骨質疏松是糖尿病的重要并发症之一,糖尿病患者中50%~60%出现骨量减少,14%~20%发生骨质疏松,其严重程度与病程长短呈正相关[1]。近年来随着糖尿病患病率的逐年增加,糖尿病性骨质疏松的患病率也呈现明显增多趋势,与非糖尿病人群相比,糖尿病性骨质疏松患者最严重的危害是患者发生骨折的风险性明显增加,发生率为20%~60%[2]。糖尿病性骨质疏松的发病机制复杂,可能与多种因素有关,有研究显示慢性炎症是引起骨质疏松的重要因素[3-4]。单核-巨噬细胞是机体重要的免疫细胞,而血红蛋白清道夫受体(CD163)是一种仅表达在单核-巨噬细胞膜上的跨膜分子。在特定病理条件下如炎症时CD163分子从胞膜上脱落形成可溶性CD163(sCD163),存在于血浆或其他组织液内,是巨噬细胞活化的标志[5]。研究表明糖尿病、糖尿病性肾病、糖尿病视网膜病变等患者的血清中sCD163水平显著增高,与糖尿病及其并发症的发生发展密切相关[6-8],但sCD163与糖尿病性骨质疏松的相关性研究尚未见报道。……

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