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High-throughput metabolomics identifies serum metabolic signatures in acute kidney injury using LC-MS combined with pattern recognition approach

机译:高通量代谢组学用LC-MS与模式识别方法相结合鉴定急性肾损伤中的血清代谢签名

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摘要

Metabolomics, as a promising and powerful approach, refers to comprehensive assessment and identification of small molecule endogenous metabolites in a biological system which is capable of further understanding the mechanisms of diseases for early diagnosis, effective treatment and prognosis. Acute kidney injury (AKI) induced by contrast is a serious complication in patients undergoing administration of iodinated contrast media. It is becoming a major health concern in clinic, however, the molecular mechanisms of contrast-induced acute kidney injury (CI-AKI) have not been well characterized. In this study, we used serum metabolomics based on liquid chromatography-mass spectrometry (LC-MS) combined with pattern recognition to explore and characterize potential metabolites and metabolic pathway in an experimental model for CI-AKI. Seventeen differentiating metabolites in the serum were identified involving the pivotal metabolic pathways related to tryptophan metabolism, glycerophospholipid metabolism, steroid hormone biosynthesis, pyrimidine metabolism, sphingolipid metabolism, aminoacyl-tRNA biosynthesis. Our study provides novel insight into pathophysiologic mechanisms of AKI by changing biomarkers and pathways.
机译:代谢组织作为一种有前途和强大的方法,是指在生物系统中的小分子内源性代谢物的综合评估和鉴定能够进一步了解早期诊断,有效治疗和预后的疾病机制。相比之下诱导的急性肾损伤(AKI)是接受碘化造影剂患者的严重并发症。然而,它正在成为临床的主要健康问题,然而,对比诱导的急性肾损伤(CI-AKI)的分子机制尚未得到很好的表征。在本研究中,我们使用基于液相色谱 - 质谱(LC-MS)的血清代谢组合,与模式识别结合探索和表征CI-AKI的实验模型中的潜在代谢物和代谢途径。将鉴定血清中的代谢物,涉及与色氨酸代谢,甘油磷脂代谢,类固醇激素生物合成,嘧啶代谢,鞘脂素代谢,氨基酰基-TRNA生物合成相关的枢轴代谢途径。我们的研究通过改变生物标志物和途径,为AKI的病理生理机制提供了新的洞察力。

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  • 来源
    《RSC Advances》 |2018年第27期|共10页
  • 作者单位

    Mudanjiang Med Univ Affiliated HongQi Hosp Dept Crit Care Med Mudanjiang 157000 Peoples R China;

    Second Peoples Hosp Weifang Dept Crit Care Med Weifang 261041 Peoples R China;

    Mudanjiang Med Univ Dept Operating Theatre Affiliated Hosp 2 Mudanjiang 157000 Peoples R China;

    Mudanjiang Med Univ Affiliated HongQi Hosp Dept Crit Care Med Mudanjiang 157000 Peoples R China;

    Mudanjiang Med Univ Clin Med Sch 1 Dept Postgrad Culture Dept Mudanjiang 157000 Peoples R China;

    Mudanjiang Med Univ Affiliated HongQi Hosp Dept Med Dept Mudanjiang 157000 Peoples R China;

    Mudanjiang Med Univ Affiliated HongQi Hosp Dept Med Dept Mudanjiang 157000 Peoples R China;

    Mudanjiang Med Univ Clin Skills Ctr Clin Coll 1 Mudanjiang 157000 Peoples R China;

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  • 正文语种 eng
  • 中图分类 化学;
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