血清蛋白质学确定了在学龄前儿童中喘的新型诊断生物标志物
Hui Ding1, Zhaoling Shi1, Haibo Lin1
1Department of Pediatrics, Children's Hospital, The Second Affiliated Hospital of Shaanxi University of Chinese Medicine, Xianyang, China.
研究人员在儿童血清中发现了新的蛋白质生物标志物,以改善喘诊断. 使用蛋白质IGFALS的新诊断模型在学龄前儿童中显示出高精度 (AUC0.959).
科学领域:
- 生物化学 生化学
- 免疫学 免疫学 免疫学
- 儿科 儿科 儿科
背景情况:
- 儿童喘是一种常见的慢性疾病,其特点是呼吸道过敏和炎症.
- 目前用于儿童喘的诊断方法存在挑战,强调需要新的诊断方法.
- 准确的诊断对于儿童喘的有效管理和治疗至关重要.
研究的目的:
- 为了确定血清蛋白质生物标志物用于诊断儿童喘.
- 为患有喘的学龄前儿童开发和评估诊断模型.
主要方法:
- 使用基于Orbitrap的数据独立采集 (DIA) 质谱仪用于血清蛋白质组学分析.
- 分析了来自急性喘儿童和健康对照者的血清样本.
- 鉴定了差异表达蛋白 (DEP) 并进行了功能丰富分析.
主要成果:
- 鉴定了747种蛋白质和50种DEP,区分了喘患者和健康儿童.
- 在与免疫相关的途径中,DEP被显著丰富,这表明它们在喘发病过程中的作用.
- 确定了潜在的诊断生物标志物候选者,包括MMP14,ABHD12B,PCYOX1,LTBP1,CFHR4,APOA1,IGHG4,ANG和IGFALS.
- 开发了一种基于IGFALS的幼儿喘诊断模型,其AUC为0.959.
结论:
- 该DIA蛋白质组策略确定了大量与喘相关的蛋白质.
- 蛋白质组特征,特别是参与炎症和免疫的DEP,为喘病理生理学提供了洞察力.
- 基于IGFALS的诊断模型对患有喘的学龄前儿童的临床决策具有前景.
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