变异重新分类和临床影响
Nicola Walsh1, Aislinn Cooper2, Adrian Dockery2
1Department of Clinical Genetics, Children's Health Ireland, Dublin, Ireland nwalsh4@tcd.ie.
Journal of medical genetics
|January 31, 2024
概括
遗传测试中的变异重新分类会影响诊断和治疗. 解决不确定意义的变异 (VUS) 和标准化准则对于准确的分子遗传诊断和患者护理至关重要.
科学领域:
- 基因组学就是基因组学.
- 临床遗传学 临床遗传学
- 医学诊断 医学诊断 医学诊断
背景情况:
- 基因组技术彻底改变了临床遗传测试,使得精确的分子诊断变得至关重要.
- 变异分类是基本的,但随着时间的推移,重新分类挑战了诊断的合法性.
- 根据累积的证据,变异重新分类的频率在3.6%至58.8%之间.
研究的目的:
- 审查关于变种重新分类的医学和科学文献.
- 专注于变种重新分类的临床影响.
- 探索影响变异重新分类的因素及其对患者护理的影响.
主要方法:
- 医学和科学出版物的文献评论.
- 对变种重新分类频率和影响因素的研究分析.
- 检查不确定意义的变体 (VUS) 对临床实践的影响.
主要成果:
- 变种分类的重大变化可能发生在最初分配的一年内.
- 不确定意义的变异 (VUS) 是有问题的,尽管有反对建议,但影响治疗.
- 影响重新分类的关键因素包括标准化准则,深度表型,祖先研究,数据库和生物信息学工具.
结论:
- 变异重新分类会影响患者的诊断,精准治疗和家庭查.
- 标准化的指导方针和理解影响因素对于精确的分子遗传诊断至关重要.
- 解决VUS重新分类对于提高基因测试可信度和临床影响至关重要.
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