唾液蛋白质组学分析揭示了慢性病的潜在生物标志物:试点研究
Bianca Uliana Picolo1, Nathália Rabello Silva2, Mário Machado Martins1
1Laboratory of Nanobiotechnology Prof. Dr. Luiz Ricardo Goulart Filho, Institute of Biotechnology, Federal University of Uberlândia, Uberlândia, Brazil.
Frontiers in medicine
|February 3, 2025
概括
唾液蛋白API5,PI-PLC和Sgsm2显示为早期慢性病 (CKD) 检测的新生物标志物. 这种蛋白质组分析提供了一种不那么侵入性的方法来识别潜在的CKD指标.
科学领域:
- 生物化学 生物化学
- 蛋白质组学是指蛋白质组学.
- 生物标志物发现发现
背景情况:
- 慢性病 (CKD) 是一个全球性的健康挑战,诊断延迟影响患者的结果,增加医疗保健成本.
- 开发准确的诊断和监测工具对于及时干预CKD至关重要.
- 唾液蛋白质组为识别新型疾病生物标志物提供了一个有希望的,最少侵入性的策略.
研究的目的:
- 确定潜在的唾液蛋白生物标记物,用于检测末期病 (ESKD).
- 为了比较ESKD和健康对照个体的唾液蛋白质组概况.
主要方法:
- 使用液体染色学-并联质谱法 (LC-MS/MS) 对唾液样本进行非向蛋白质组分析.
- 统计分析包括火山图片,直角部分最小方程差异分析 (OPLS-DA) 和在预测 (VIP) 中变量重要性得分.
- 接收器运行特征 (ROC) 曲线分析以评估生物标志物的准确性.
主要成果:
- 在唾液蛋白质谱中识别了431种蛋白质.
- 在ESKD和健康组之间,三种蛋白质,亡抑制剂5 (API5),酸酸酶C (PI-PLC) 和小G蛋白信号调节器2 (Sgsm2) 有显著差异.
- 这些候选生物标志物表现出良好的准确性 (VIP评分>2.0) 并进一步分析了途径丰富和基因本体学.
结论:
- 唾液API5,PI-PLC和Sgsm2被确定为CKD检测的潜在生物标志物候选者.
- 这些蛋白质可能参与与纤维化和相关疾病,如矿物质和骨疾病相关的途径.
- 这种唾液蛋白质学方法为开发非侵入性CKD诊断工具提供了基础.
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