Correlations of platelet-derived growth factor and Beclin1 with vascular calcification in hemodialysis patients
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摘要:目的
探讨血清血小板衍生生长因子-BB(PDGF-BB)、自噬相关分子Beclin1水平与行维持性血液透析(MHD)患者血管钙化(VC)的相关性。
方法选取100例MHD患者为MHD组,100例健康者为对照组,比较2组血清PDGF-BB、Beclin1水平。按腹主动脉钙化评分(AACS)将MHD患者分为钙化组(48例)和非钙化组(52例)。分析MHD患者发生VC的影响因素;分析血清PDGF-BB、Beclin1水平预测MHD患者VC的价值。
结果MHD组血清PDGF-BB水平[(90.57±31.64)pg/mL]高于对照组[(41.78±13.83)pg/mL],血清Beclin1水平[(2.02±0.68)ng/mL]低于对照组[(3.09±1.04)ng/mL],差异有统计学意义(P < 0.05)。血磷、PDGF-BB、血钙、TG是影响MHD患者发生VC的危险因素(P < 0.05),Beclin1是影响MHD患者发生VC的保护因素(P < 0.05)。血清PDGF-BB、Beclin1水平预测MHD患者VC的曲线下面积(AUC)分别为0.885、0.832;血清PDGF-BB、Beclin1水平联合预测MHD患者VC的AUC为0.932,敏感度为85.4%,特异度为92.3%。
结论MHD患者血清PDGF-BB水平较高,Beclin1水平较低,两者均与VC相关。血清PDGF-BB、Beclin1联合预测可能有助于临床预防、评估MHD患者并发VC。
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关键词:
- 血小板衍生生长因子-BB /
- 维持性血液透析 /
- Beclin1水平 /
- 血管钙化
Abstract:ObjectiveTo investigate the correlations of serum platelet-derived growth factor-BB (PDGF-BB) and autophagy-related molecule Beclin1 with vascular calcification (VC) in patients undergoing maintenance hemodialysis (MHD).
MethodsA total of 100 MHD patients were selected as MHD group, and 100 healthy people were selected as control group. The levels of serum PDGF-BB and Beclin1 were compared between the two groups. According to Abdominal Aortic Calcification Score (AACS), MHD patients were divided into calcification group (48 cases) and non-calcification group (52 cases). The influencing factors of VC in MHD patients were analyzed; the value of serum PDGF-BB and Beclin1 levels in predicting VC in MHD patients were analyzed.
ResultsThe level of serum PDGF-BB in the MHD group[(90.57±31.64) pg/mL] was significantly higher than that in the control group[(41.78±13.83) pg/mL], and the level of Beclin1 in MHD group[(2.02±0.68) ng/mL] was significantly lower than that in the control group[(3.09±1.04) ng/mL] (P < 0.05). Blood phosphorus, PDGF-BB, blood calcium and TG were the risk factors for VC in MHD patients (P < 0.05), and Beclin1 was a protective factor for VC in MHD patients (P < 0.05). The area under the curve (AUC) of serum PDGF-BB and Beclin1 levels in predicting VC in MHD patients were 0.885 and 0.832, respectively; the AUC of serum PDGF-BB and Beclin1 in combination to predict VC in MHD patients was 0.932, the sensitivity was 85.4%, and the specificity was 92.3%.
ConclusionThe serum PDGF-BB level is higher and Beclin1 level is lower in MHD patients, both of them were related to VC. The combined prediction of serum PDGF-BB and Beclin1 may help to prevent and evaluate VC in MHD patients.
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表 1 MHD组、对照组血清PDGF-BB、Beclin1水平比较(x±s)
组别 n PDGF-BB/(pg/mL) Beclin1/(ng/mL) 对照组 100 41.78±13.83 3.09±1.04 MHD组 100 90.57±31.64* 2.02±0.68* PDGF-BB: 血小板衍生生长因子-BB。
与对照组比较, *P < 0.05。表 2 钙化组、非钙化组一般资料及血清PDGF-BB、Beclin1水平比较(x±s)
指标 非钙化组(n=52) 钙化组(n=48) 性别 男 27 24 女 25 24 体质量指数/(kg/m2) 22.76±2.28 23.12±2.40 舒张压/mmHg 75.34±10.46 78.57±10.72 血钙/(mmol/L) 2.70±0.54 3.18±0.64* 年龄/岁 47.05±11.83 47.66±12.07 收缩压/mmHg 130.57±17.39 135.26±18.61 血磷/(mmol/L) 1.54±0.52 1.99±0.68* 总胆固醇/(mmol/L) 5.85±1.27 6.95±1.51* 空腹血糖/(mmol/L) 7.38±2.50 7.88±2.64 LDL-C/(mmol/L) 2.76±0.81 2.85±0.83 甘油三酯/(mmol/L) 1.66±0.55 2.90±0.97* 白蛋白/(g/L) 40.41±5.06 38.94±4.88 HDL-C/(mmol/L) 1.04±0.35 0.98±0.33 PDGF-BB/(pg/mL) 63.22±21.05 120.20±41.54* Beclin1/(ng/mL) 2.53±0.85 1.47±0.50* LDL-C: 低密度脂蛋白胆固醇; HDL-C: 高密度脂蛋白胆固醇;
PDGF-BB: 血小板衍生生长因子-BB。
与非钙化组比较, *P < 0.05。表 3 MHD患者VC影响因素的Logistic回归分析
指标 B SE Wald P OR 95%CI 性别 0.052 0.103 0.251 0.616 1.053 0.861~1.289 BMI 0.088 0.105 0.703 0.402 1.092 0.889~1.342 舒张压 0.113 0.117 0.938 0.333 1.120 0.890~1.409 年龄 0.136 0.107 1.622 0.203 1.146 0.929~1.413 血钙 0.905 0.225 16.165 < 0.001 2.471 1.590~3.841 收缩压 0.093 0.110 0.722 0.395 1.098 0.885~1.362 血磷 0.891 0.212 17.655 < 0.001 2.437 1.608~3.692 TC 0.128 0.108 1.394 0.238 1.136 0.919~1.404 空腹血糖 0.168 0.115 2.136 0.144 1.183 0.944~1.482 LDL-C 0.161 0.112 2.073 0.150 1.175 0.943~1.463 TG 0.756 0.206 13.456 < 0.001 2.129 1.422~3.188 白蛋白 0.041 0.109 0.140 0.708 0.960 0.775~1.189 HDL-C 0.067 0.104 0.418 0.518 0.935 0.763~1.146 PDGF-BB 1.023 0.231 19.605 < 0.001 2.781 1.768~4.374 Beclin1 -0.548 0.102 28.883 < 0.001 0.578 0.473~0.706 BMI: 体质量指数; TC: 总胆固醇; LDL-C: 低密度脂蛋白胆固醇; TG: 甘油三酯; HDL-C: 高密度脂蛋白胆固醇;
PDGF-BB: 血小板衍生生长因子-BB。 -
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