与年龄有关的异常替代拼接作为老年乳腺癌患者的预后工具
Mengxin Chen1, Taiping Xiao1, Hao Ke2,3
1Human Aging Research Institute (HARI) and School of Life Science, Nanchang University, and Jiangxi Key Laboratory of Human Aging and Disease, Nanchang, Jiangxi, China.
Communications biology
|December 16, 2025
概括
患有乳腺癌的老年人表现出更多的拼接错误,导致具有多种免疫特征的不同亚型. 一个新的预测模型有助于为这一群体提供个性化治疗.
科学领域:
- 在瘤学瘤学.
- 基因组学就是基因组学.
- 生物信息学是一种生物信息学.
背景情况:
- 乳腺癌是女性癌症的主要原因之一.
- 已知年龄对乳腺癌的影响,但老年人的异常替代拼接仍然不清楚.
- 了解与年龄相关的拼接变化对于改善老年乳腺癌患者的治疗结果至关重要.
研究的目的:
- 为了研究老年成人乳腺癌患者异常的替代拼接事件.
- 在老年人乳腺癌患者中基于拼接配置文件识别不同的分子亚型.
- 开发一个预测模型,用于老年人乳腺癌患者的预后.
主要方法:
- 分析公共数据库和FUSCC队列,以确定拼接事件.
- 无监督聚类以根据拼接数据定义患者亚型.
- 用于预测模型构建的RNA结合蛋白分析和机器学习 (SelectKBest-SVM).
主要成果:
- 年长的成人乳腺癌患者表现出异常替代拼接事件的频率更高.
- 390个高可变性拼接事件是老年成人患者特有的.
- 确定了三种不同的患者亚型,在免疫透和预后上有所不同;68种RNA结合蛋白被认为是调节剂.
- 一个机器学习模型在预测预后方面取得了高准确性 (AUC),在独立测试集上得到了验证.
结论:
- 异常的替代拼接在老年人乳腺癌患者中更为普遍,并定义了不同的分子亚型.
- 基于拼接事件的机器学习模型可以准确预测老年人乳腺癌的预后.
- 这种预测模型支持精准医学方法,用于老年人乳腺癌的个性化治疗策略.
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