致病或可能致病的GRN变种在0.1%的帕金森病患者中发现
Christian A Ganoza1, Ana Westenberger2, Jefri J Paul1
1CENTOGENE GmbH, Rostock, Germany.
Movement disorders : official journal of the Movement Disorder Society
|December 24, 2025
概括
在帕金森病 (PD) 患者中,对GRN变异的基因检测至关重要,因为这些变异在0.13%的病例中被发现. GRN 变异与早期发病和独特的临床特征有关,有助于差异诊断.
科学领域:
- 神经遗传学 神经遗传学
- 神经退行性疾病 神经退行性疾病
背景情况:
- 帕金森症是各种神经退行性疾病的症状,包括GRN相关的前性痴呆症 (FTD-GRN).
- 区分FTD-GRN与帕金森病 (PD) 存在诊断挑战.
研究的目的:
- 为了确定GRN变体在PD患者的大队伍中的频率.
- 为了比较患有和没有GRN变异的PD患者的临床和遗传特征.
主要方法:
- 在超过18,500名PD患者中分析GRN变异.
- 在GRN变异阳性和阴性PD个体之间比较人口统计,遗传和临床数据.
主要成果:
- 在24名 (0.13%) PD患者中发现了16种独特的致病性或可能致病性GRN变体.
- 与基于文献的FTD-GRN队列相比,GRN变异阳性PD患者的男性与女性比率更高,发病时间更早.
- 在患有GRN变异的PD患者中观察到嗅觉功能受损和更严重的运动症状.
结论:
- 在临床上,FTD-GRN可能与PD无法区分.
- 建议对帕金森症/PD进行综合基因检测,包括GRN分析.
- 遗传洞察力指导疾病管理和帕金森症的预后.
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