通过基于NMR的代谢学来了解晚期慢性病患者的代谢变化
Amrita Sahu1,2, Upasna Gupta1,2, Bikash Baishya1,2
1Centre of Biomedical Research, Sanjay Gandhi Post Institute of Medical Sciences Campus, Raebareli Road, Lucknow, Uttar Pradesh, 226014, India. bikashbaishya@gmail.com.
Molecular omics
|June 23, 2025
概括
这项研究使用1H NMR代谢学来识别晚期慢性病 (CKD) 进展的关键血清代谢物生物标志物,提供比单独使用肌素更精确的诊断方法.
科学领域:
- 生物化学 生化学
- 腎臟病學 (nephrology) 是一種醫學專業.
- 代谢学 代谢学 代谢学
背景情况:
- 目前的慢性病 (CKD) 诊断依赖于血清肌素,其精度有限.
- 准确评估CKD进展对于有效的临床决策至关重要.
研究的目的:
- 使用基于1H NMR的代谢学方法,将晚期CKD (ASCKD) 患者与健康对照 (HC) 区分开来.
- 为了确定ASCKD不同阶段 (4期和5期) 内的特定代谢变化.
- 提出一个血清代谢物小组,与肌素一起监测CKD进展.
主要方法:
- 来自52名ASCKD患者 (4和5阶段) 和25名HC患者的血清样本使用1H NMR基代谢分析.
- 进行多变量和单变量统计分析以确定显著的代谢差异.
- 用接收器操作特征 (ROC) 分析来评估已识别的代谢物的诊断潜力.
主要成果:
- 在ASCKD患者和HC患者之间,以及在ASCKD阶段内观察到不同的代谢概况.
- 六种代谢物 (肌素,尿素,肌性醇,胆,N,N-二甲基甘氨酸和氨酸) 显示出潜在生物标记功效 (AUC > 0.8) 的显著变化.
- 在5期CKD中,氨基酸代谢显著下调,表明疾病严重程度增加. 途径分析揭示了与CKD进展相关的五种不同的代谢途径.
结论:
- 一组血清代谢物,包括myoinositol,尿素和氨酸,可以补充肌素,以更精确地监测CKD进展.
- 代谢干扰反映了CKD的系统影响,包括氧化应激,炎症和肠道失调.
- 这种代谢学方法为CKD病理生理学和潜在的治疗点提供了宝贵的见解.
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