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Proteoglycan-binding as pro-atherogenic function metric of apoB-containing lipoproteins and chronic kidney graft failure.
Journal of Lipid Research ( IF 6.5 ) Pub Date : 2021-04-30 , DOI: 10.1016/j.jlr.2021.100083
Hannah L M Steffen 1 , Josephine L C Anderson 1 , Margot L Poot 1 , Yu Lei 2 , Margery A Connelly 3 , Stephan J L Bakker 4 , Katariina Öörni 5 , Uwe J F Tietge 6
Affiliation  

Lipoprotein-proteoglycan binding is an early key event in atherosclerotic lesion formation, and thus conceivably could play a major role in vasculopathy-driven chronic graft failure and cardiovascular mortality in renal transplant recipients. The present study investigated whether lipoprotein-proteoglycan binding susceptibility (LPBS) of apolipoprotein B-containing lipoproteins and levels of the classical atherosclerosis biomarker low-density lipoprotein cholesterol (LDL-C) were associated with cardiovascular mortality (n=130) and graft failure (n=73) in 589 renal transplant recipients who were followed from at least 1-year post-transplantation for 9.5 years. At baseline, LPBS was significantly higher in patients who subsequently developed graft failure compared to those with a surviving graft (1.68 ± 0.93 versus 1.46 ± 0.49 nmol/mmol, p = 0.001). Cox regression analysis showed an association between LPBS and chronic graft failure in an age- and sex-adjusted model (hazard ratio: 1.45; 95% CI, 1.14-1.85; p = 0.002), but no association was observed with cardiovascular mortality. LDL-C levels were not associated with graft failure, nor with cardiovascular mortality. This study shows that measurement of cholesterol retention outperformed the traditionally-used quantitative parameter of LDL cholesterol levels in predicting graft failure, suggesting a higher relevance of pro-atherogenic function compared to quantity of apolipoprotein B-containing lipoproteins in chronic graft failure.

中文翻译:

蛋白聚糖结合作为含 apoB 的脂蛋白和慢性肾移植衰竭的促动脉粥样硬化功能指标。

脂蛋白-蛋白聚糖结合是动脉粥样硬化病变形成的早期关键事件,因此可以想象在肾移植受者的血管病变驱动的慢性移植物衰竭和心血管死亡率中起主要作用。本研究调查了含载脂蛋白 B 的脂蛋白的脂蛋白-蛋白多糖结合敏感性 (LPBS) 和经典动脉粥样硬化生物标志物低密度脂蛋白胆固醇 (LDL-C) 的水平是否与心血管死亡率 (n=130) 和移植失败有关。 n = 73)在 589 名肾移植受者中,从移植后至少 1 年开始随访 9.5 年。在基线时,与移植物存活的患者相比,随后发生移植物失败的患者的 LPBS 显着更高(1.68 ± 0.93 vs 1.46 ± 0.49 nmol/mmol,p = 0.001)。Cox 回归分析显示 LPBS 与年龄和性别调整模型中的慢性移植物衰竭之间存在关联(风险比:1.45;95% CI,1.14-1.85;p = 0.002),但未观察到与心血管死亡率相关。LDL-C 水平与移植失败和心血管死亡率无关。这项研究表明,胆固醇保留的测量在预测移植失败方面优于传统使用的 LDL 胆固醇水平定量参数,这表明在慢性移植失败中与含载脂蛋白 B 的脂蛋白的数量相比,促动脉粥样硬化功能的相关性更高。但未观察到与心血管死亡率相关。LDL-C 水平与移植失败和心血管死亡率无关。这项研究表明,胆固醇保留的测量在预测移植失败方面优于传统使用的 LDL 胆固醇水平定量参数,这表明在慢性移植失败中与含载脂蛋白 B 的脂蛋白的数量相比,促动脉粥样硬化功能的相关性更高。但未观察到与心血管死亡率相关。LDL-C 水平与移植失败和心血管死亡率无关。这项研究表明,胆固醇保留的测量在预测移植失败方面优于传统使用的 LDL 胆固醇水平定量参数,这表明在慢性移植失败中与含载脂蛋白 B 的脂蛋白的数量相比,促动脉粥样硬化功能的相关性更高。
更新日期:2021-05-05
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