全球基因发病率估计比之前报告的高
Giorgia Mandrile1, Gill Rumsby2, Veronica Sciannameo3
1Genetic Unit and Thalassemia Center, San Luigi Gonzaga University Hospital, Orbassano, Italy.
Clinical kidney journal
|August 28, 2025
概括
原发性高氧化尿 (PH) 是一种罕见的遗传性病. 我们的研究显示,基因患病率高于此前的估计,
科学领域:
- 遗传学
- 肝脏病学
- 罕见疾病
背景情况:
- 原发性高氧化尿 (PH) 是一种罕见的自体衰退性疾病,其特征是酸盐在脏中的积累.
- PH是由三种基因的病原变异引起的:AGXT (PH1),GRHPR (PH2) 和HOGA1 (PH3).
研究的目的:
- 估计PH的遗传流行率和携带者频率.
- 评估不同族群的临床PH风险.
主要方法:
- 手动选和分类PH遗传变异
- 使用gnomAD版本2.1.1的种群等位基因频率计算遗传流行率.
- 在五个族群中分析变异频率.
主要成果:
- 确定了651种PH变种,其中208种被归类为致病性或可能致病性.
- 估计的载波频率为1:29 (PH1),1:465 (PH2),1:151 (PH3).
- 基因患病率在1: 90,834 (PH3) 到1: 863,028 (PH2) 之间,整体PH风险为1:59,017.
结论:
- 许多患有PH风险的人仍未被诊断出来.
- 估计的遗传患病率超过已知的确诊病例,突出显示了PH的低估.
- 改善查和诊断策略对于这种被忽视的疾病至关重要.
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