确定新生儿带血液中的血红蛋白A,F,A2参考间隔和β-thalassemia遗传测试的临床决定值
Sha Li1, Jinye Xie1, Yuan Tian1
1Medical Laboratory Center, Zhongshan People's Hospital, Zhongshan 528400, China.
Current research in translational medicine
|January 13, 2026
概括
这项研究建立了新生儿血红蛋白 (HbA,HbF,HbA2) 的性别特定参考间隔,并提出了指导新生儿β-thalassemia遗传测试的临床决策值.
科学领域:
- 临床化学 临床化学
- 血液学 血液学 血液学
- 遗传学 是一个遗传学.
背景情况:
- 关于新生儿带血血红蛋白分数的特定人群参考区间 (RIs) 缺乏共识.
- 需要实验室衍生的临床决定值 (CDV) 来指导新生儿疾病的遗传测试.
研究的目的:
- 在新生儿带血液中确定HbA,HbF和HbA2的RI,使用基于大数据的间接方法.
- 确定新生儿β-thalassemia遗传检测的CDV.
主要方法:
- 新生儿带血血红蛋白电泳和β-thalassemia遗传检测数据的回顾性分析 (2013年1月 - 2024年11月).
- 间接方法用于确定HbA,HbF和HbA2.2的RI.
- 接收器操作特征 (ROC) 曲线分析用于确定CDVs.
主要成果:
- 在新生儿血红蛋白的RI中观察到与性别相关的显著差异.
- 已确立的RI:女性 (HbA:7.8-29.4%,HbF:70.8-92.0%,HbA2:0-0.4%);男性 (HbA:6.9-27.3%,HbF:72.1-93.3%,HbA2:0-0.3%). 它们可以分为两种类型.
- 确定用于测试β-血症的CDV:女性 (HbA ≤8.1%,HbF ≥90.7%);男性 (HbA ≤7.9%,HbF ≥92.0%). 由于水平较低,HbA2被认为不合适.
结论:
- 新生儿血红蛋白的已确立的人口特异性RI.
- 基于性别特异性HbF水平的β-thalassemia遗传测试的建议CDV.
- 当HbF≥90.7% (女性) 或≥92.0% (男性) 时,需要进行指示的β-thalassemia测试.
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