G6PD缺陷作为罕见神经疾病的未被认可的遗传风险因素:来自基于人口的遗传分析的证据
Qi Peng1,2,3, Siping Li1, Fen Lv1,2,3
1Laboratory Department, Dongguan Children's Hospital, Dongguan, Guangdong, China.
Frontiers in genetics
|February 20, 2026
概括
葡萄糖-6-酸脱酶 (G6PD) 缺乏与中国儿童患罕见神经疾病的风险更高有关. 这表明G6PD缺乏可能会影响神经发育,超出其已知的对血液溶解性贫血的影响.
科学领域:
- 遗传学 是一个遗传学.
- 神经学 神经学
- 生物化学 生物化学
背景情况:
- 葡萄糖-6-酸盐脱酶 (G6PD) 缺乏主要是因引起药物或感染诱导的溶血性贫血而闻名.
- 新兴研究表明,G6PD可能在神经发育中发挥作用,但其与罕见神经疾病的联系在人口遗传学中尚未得到充分研究,特别是在中国.
研究的目的:
- 调查常见的致病性G6PD变体与中国儿童罕见的神经疾病之间的关联.
- 探索这种关联的潜在的性别特异性和母性遗传贡献.
主要方法:
- 一个回顾性病例控制研究,使用来自中国队列的整体外因子测序 (WES) 数据.
- 在211名患有罕见神经疾病的儿童和202名对照儿童中对6种流行病原性G6PD变异进行查.
- 统计分析包括基因型和载体频率比较,分层分析和多变量后勤回归来计算经性别调整的几率比率.
主要成果:
- 与对照组相比,患有神经障碍的儿童中,致病性G6PD变异的携带者率明显高于对照组 (调整后OR=2.44).
- 受影响的男性的携带率高于他们的父亲,病例母亲的携带率高于对照母亲.
- G6PD Canton (c.1376G>T) 和G6PD Kaiping (c.1388G>A) 是观察到的最常见的变种.
结论:
- G6PD 缺陷可能是中国儿童罕见神经疾病的未被认可的遗传风险因素.
- 结果表明潜在的母性遗传影响,并扩大G6PD缺陷的表型谱,包括神经发育的脆弱性.
- 需要进行功能验证和酶活性评估的进一步研究来证实这些初步发现.
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