[日本CADASIL患者的地理分布]
Mao Mukai1,2, Ikuko Mizuta1, Tomoyuki Ohara1
1Department of Neurology, Graduate School of Medical Science, Kyoto Prefectural University of Medicine.
Rinsho shinkeigaku = Clinical neurology
|October 26, 2025
概括
大脑自体主导性动脉病变与皮层下心脏病发作和白细胞大脑病变 (CADASIL) 遗传测试显示对请求和积极结果的地理影响. 神经学和神经外科专家之间提高意识对于诊断至关重要.
科学领域:
- 神经学 神经学
- 遗传学 遗传学 是一个
- 脑血管疾病 脑血管疾病
背景情况:
- 大脑自体主导性动脉病变与皮下心脏病发作和白细胞大脑病变 (CADASIL) 是一种遗传性大脑小血管疾病.
- 已知NOTCH3基因突变是CADASIL的已知原因.
- 基因检测对于CADASIL诊断至关重要.
研究的目的:
- 分析地理分布,并要求各部门在CADASIL患者中进行NOTCH3基因测试.
- 了解地理距离与CADASIL诊断频率之间的关系.
- 在日本各地识别NOTCH3突变模式的区域变异.
主要方法:
- 1999年至2024年3月间,京都县医学大学 (KPUM) 分析了908名患者的遗传检测结果.
- 根据日本的地理区域对请求进行分类.
- 对请求医疗部门进行检查,主要是神经病学和神经外科.
主要成果:
- 遗传测试请求和积极的CADASIL诊断的数量受到了KPUM的地理接近的影响.
- 神经病学部门提交了绝大多数申请 (超过98%),神经外科仅提交了1.9%的申请.
- 在日本各地发现了高频率的NOTCH3突变,与西日本相比,在东日本观察到的突变多样性更大.
结论:
- 地理因素和医疗专业影响CADASIL遗传测试模式.
- 在日本各地普遍存在NOTCH3突变,这表明CADASIL的广泛发生.
- 提高神经病学和神经外科中风专家的诊断意识对于改善CADASIL病例识别至关重要.
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