Ann Surg:离体肺灌流液中与肺移植早期结局相关的生物标志物研究

2016-10-16 MedSci MedSci原创

目的是利用代谢组学的方法,确定体外肺灌注(EVLP)过程中潜在的生物标志物。EVLP增加了肺移植(LTx)的可用供肺数量。EVLP的基本范式是先尸体肺常温灌注,存储在低温保存液,使活性细胞代谢和呼吸功能恢复。EVLP灌流液的代谢组学可以识别与早期LTx结局相关的供肺代谢谱。从50例EVLP病例中收集EVLP灌流液,为灌流1小时和4小时时收取,进行质谱代谢分析。EVLP后,7例拒绝行LTx。在其余移

目的是利用代谢组学的方法,确定体外肺灌注(EVLP)过程中潜在的生物标志物。

EVLP增加了肺移植(LTx)的可用供肺数量。EVLP的基本范式是先尸体肺常温灌注,存储在低温保存液,使活性细胞代谢和呼吸功能恢复。EVLP灌流液的代谢组学可以识别与早期LTx结局相关的供肺代谢谱。

从50例EVLP病例中收集EVLP灌流液,为灌流1小时和4小时时收取,进行质谱代谢分析。

EVLP后,7例拒绝行LTx。在其余移植病例中,9例出现原发性移植物功能障碍(PGD)3。EVLP-1h的代谢物,基于棕榈酰鞘磷脂、5-氨基颉草酸和decanoylcarnitine的回归模型显示,来自Non-PGD 3结局的不同PGD 3的接受者操作特征(ROC)曲线下面积(AUC)为0.987。对于EVLP-4h的代谢物,基于N2-甲基鸟苷、5-氨基颉草酸、油酰胺和decanoylcarnitine的回归模型显示,来自Non-PGD 3结局的不同PGD 3的ROC AUC=0.985。

对EVLP灌流液进行代谢组学分析,可以为我们提供与早期肺移植结果高度相关的代谢物,并可能成为提高EVLP边际肺选择的潜在生物标志物。不过需要进一步的验证研究来证实这些发现。

原始出处:

Hsin, Michael K. MD; Zamel, Ricardo PhD; Cypel, Marcelo MSc, MD; Wishart, David PhD; Han, Beomsoo PhD; Keshavjee, Shaf MSc, MD; Liu, Mingyao MSc, MD.Metabolic Profile of Ex Vivo Lung Perfusate Yields Biomarkers for Lung Transplant Outcomes.Annals of Surgery:
Post Author Corrections: September 20, 2016


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