使用主要编辑和深度学习对所有ATM SNV进行功能评估
Kwang Seob Lee1, Joon-Goo Min2, Yumin Cheong3
1Department of Pharmacology, Yonsei University College of Medicine, Seoul 03722, Republic of Korea.
Cell
|June 28, 2025
概括
研究人员评估了Ataxia telangiectasia突变 (ATM) 基因中的所有可能的单核酸变体 (SNV). 他们确定了影响细胞适应性的关键残留物,并开发了一个深度学习模型来预测变异的影响,帮助癌症风险和预后评估.
科学领域:
- 遗传学和基因组学
- 癌症生物学
- 生物信息学
背景情况:
- 在DNA损伤反应中,Ataxia telangiectasia突变 (ATM) 基因至关重要.
- 失去ATM功能会增加癌症的风险,并影响患者的预后.
- 解释ATM变体的功能意义,特别是不确定意义的变体 (VUS),是一个重大挑战.
研究的目的:
- 综合评估ATM基因中所有可能的单核体变异 (SNV) 的功能影响.
- 在ATM中确定其功能所必需的关键残留物.
- 开发ATM变种致病性的预测模型,以支持临床应用.
主要方法:
- 使用原始编辑对23,092个ATMSNV进行实验评估,以评估olaparib存在的细胞适应性.
- 对癌症遗传学数据和英国生物库数据的分析,以将变异影响与临床结果相关联.
- 开发和应用深度学习模型 (DeepATM) 来预测剩余的4421个ATM SNV的功能影响.
主要成果:
- 实验验证确定了ATM基因中的关键残留物.
- 该研究成功评估了大量的ATM SNV的功能影响.
- 深度ATM模型在预测以前未经评估的ATM变体的功能影响方面表现出很高的准确性.
- 使用现实数据发现ATM变种影响与癌症风险/预后之间的相关性.
结论:
- 这种全面的ATM变体功能评估为DNA损伤反应和癌症倾向提供了宝贵的见解.
- 开发的DeepATM模型为预测ATM变种的致病性提供了一个强大的工具,支持精准医学.
- 这项研究为处理ATM中的VUS和潜在的其他基因建立了框架,改善了临床决策.
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