泌尿代谢生物标志物用于诊断中部早发性青春期和揭示性二重形态
Lingling Wen1, Sheng Wu1, Jingxia Wu1
1Department of Electronic Science, Fujian Provincial Key Laboratory of Plasma and Magnetic Resonance, Xiamen University, Xiamen, Fujian 361005, China.
The Journal of steroid biochemistry and molecular biology
|November 17, 2025
概括
泌尿代谢学发现了用于诊断中心早熟青春期 (CPP) 的新生物标志物,并揭示了性别特异的代谢差异. 这种方法为CPP提供了一种侵入性较小的诊断方法,有助于早期检测和管理.
科学领域:
- 内分泌学 在内分泌学.
- 代谢学 代谢学 代谢学
- 儿科健康 儿科健康
背景情况:
- 中央早期青春期 (CPP) 的发病率正在增加,需要早期检测以防止不良后果.
- 目前对CPP的诊断方法是侵入性的和不一致的.
- 代谢学为识别新生物标志物和理解CPP机制提供了一个有前途的途径.
研究的目的:
- 为了识别和验证CPP诊断的泌尿代谢生物标志物.
- 阐明CPP背后的性别二态代谢机制.
- 开发CPP的非侵入性诊断方法.
主要方法:
- 基于NMR的代谢学被用来分析来自CPP患者和对照组的尿样.
- 包括LASSO回归和后勤回归在内的统计分析确定了潜在的CPP生物标志物.
- 机器学习模型 (随机森林,LR,SVM) 用于验证和ROC曲线分析.
主要成果:
- 在女孩和男孩中确定了多种潜在的CPP生物标志物.
- 选择的生物标志物小组实现了高诊断准确度,AUC高达0.984.
- 确定了8种特定于性别的代谢标记,突出显示了CPP的性二态.
结论:
- 在CPP儿童和对照人群之间存在明显的代谢差异,性别差异很大.
- 肥胖是女孩患CPP的危险因素;CPP男孩显示氨基酸循环加速和骨生长.
- 研究结果支持开发性别特定的诊断方法和潜在的代谢干预措施,用于CPP.
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