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Eur Respir J:CILP1作为肺动脉高压患者右室不良改变的生物标志物

2020-11-14 MedSci原创 MedSci原创

CILP1是RV和LV病理重塑的新生物标志物,与PH患者的不良RV改变和心室动脉解偶联有关。

近日,呼吸疾病领域权威杂志Eur Respir J上发表了一篇研究文章,研究人员旨在分析右心室(RV)压力超负荷的小鼠模型中软骨中间层蛋白1(CILP1)的表达水平,并评估CILP1作为肺动脉高压(PH)患者心脏重构和RV功能不良生物标志物的效果。

在14只小鼠中进行了肺动脉结扎;另外9只小鼠接受了假手术。通过蛋白质印迹和免疫染色分析了所有心脏中的CILP1蛋白表达水平。在161例患者中测量了CILP1血清浓度(97例患者因PH引起了适应性和不良RV压力超负荷;25例患者伴有左心室(LV)肥大;20例患者伴有扩张性心肌病(DCM);19例患者无LV或RV异常)。

在小鼠中,结扎后RV的CILP1的蛋白量显著高于假手术小鼠。对照患者的CILP1血清水平低于其他病例组(p<0.001)。在不良RV功能的PH患者中,CILP1浓度高于具有适应性RV功能的PH患者(p<0.001),LV压力超负荷(p<0.001)和DCM患者(p=0.003)。在ROC分析中,CILP1对不良RV患者具有​​良好的预测能力(AUC为0.79)。CILP1和NT-pro-BNP的AUC之间无显著差异(AUC为0.82)。高CILP1值(不良RV临界值为≥4373pg·mL-1)与较低的TAPSE/PASP比值(p<0.001)和较高的NT-pro-BNP水平相关(p<0.001)。

由此可见,CILP1是RV和LV病理重塑的新生物标志物,与PH患者的不良RV改变和心室动脉解偶联有关。

原始出处:

Stanislav Keranov, et al.CILP1 as a biomarker for right ventricular maladaptation in pulmonary hypertension.Eur Respir J.2020.https://erj.ersjournals.com/content/early/2020/10/08/13993003.01192-2019

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    2020-11-14 明天jing

    肺动脉高压表面是罕见病,事实上临床上并不少见,治疗药物虽然有一些,但是整体仍然不理解,可能未来需要采用综合治疗措施。

    0

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