Clin Chem:肾移植患者急性T细胞介导的同种异体排斥反应尿液中的环状RNA

2019-10-23 MedSci MedSci原创

近来,环状RNA (circRNAs)因为其能够调控基因表达成为新的调控因子。在急性肾损伤患者的血液中可以检测到circRNAs。我们测试了尿液中是否存在环状RNA,以及能否作为急性排斥肾移植患者预后的新的预测因子。

近来,环状RNA (circRNAs)因为其能够调控基因表达成为新的调控因子。在急性肾损伤患者的血液中可以检测到circRNAs。我们测试了尿液中是否存在环状RNA,以及能否作为急性排斥肾移植患者预后的新的预测因子。

研究人员使用急性T细胞介导的移植肾排斥反应患者尿液中的RNA进行环状RNA的表达分析,并对移植肾患者进行对照。在一组62例急性排斥反应患者、10例成功抗排斥治疗患者、18例无排斥反应的对照移植患者和13例泌尿系感染的稳定移植患者中,证实了circRNAs的失调。

在急性排斥反应患者的尿液中发现了几个环状RNA的改变。hsa_circ_0001334hsa_circ_0071475两种环状RNA的浓度显著升高。所有患者都证实了这一点。与对照组相比,hsa_circ_0001334在急性排斥反应患者中上调。成功抗排斥治疗后急性排斥反应患者hsa_circ_0001334浓度恢复正常。hsa_circ_0001334与移植后1年肾小球滤过率降低有关。

研究表明,急性排斥反应患者在亚临床时间点上CircRNA浓度明显失调。尿hsa_circ_0001334是一种新的急性肾排斥反应的生物标志物,可以识别急性排斥反应患者,预测肾功能的丧失。

原始出处:

Malte Kölling, George Haddad,Circular RNAs in Urine of Kidney Transplant Patients with Acute T Cell-Mediated Allograft Rejection

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