基于癌症干细胞相关风险小组的乳腺癌分类和免疫景观分析
Haihong Hu1,2,3, Mingxiang Zou4, Hongjuan Hu5,6
1Department of Pharmacy, The First Affiliated Hospital, Hengyang Medical School, University of South China, Hengyang, Hunan, 421000, China.
NPJ precision oncology
|December 8, 2023
概括
这项研究确定了两种乳腺癌亚型和使用乳腺癌干细胞基因的风险评分,以预测患者的预后和免疫治疗反应. 这些发现突出了乳腺癌干细胞的发现.
科学领域:
- 在瘤学瘤学.
- 免疫学 免疫学 免疫学
- 遗传学 是一个遗传学.
背景情况:
- 乳腺癌 (BC) 的异质性给预后和治疗选择带来了挑战.
- 乳腺癌干细胞 (BCSCs) 与瘤进展和治疗耐药性有关.
- 了解BCSC和瘤免疫微环境之间的相互作用对于改善患者的治疗结果至关重要.
研究的目的:
- 根据与BCSC相关的基因识别乳腺癌的新型分子亚型.
- 开发一种使用BCSC基因的预后风险评分,用于预测患者的存活率和免疫治疗反应.
- 研究瘤微环境中的特定BCSCC亚群和免疫细胞之间的空间关系.
主要方法:
- 无监督聚类和非负矩阵因子化 (NMF) 用于分子亚型化.
- 权重基因共同表达网络分析 (WGCNA) 用于核心基因识别.
- 机器学习,LASSO和Cox回归用于风险模型构建.
- 瘤微环境和免疫透分析的估计和网络分类.
- 多复合定量免疫光学 (QIF) 和组织FAXS细胞测量用于细胞空间分析.
主要成果:
- 确定了两种不同的乳腺癌分子亚型;集群1显示出改善的预后和增强的免疫反应.
- 一个十基因的BCSC相关风险模型有效地根据生存率,免疫细胞丰度和预测免疫治疗反应对患者进行了分层.
- 一个CD79A+CD24-PANCK+-BCSC亚群被确定并发现与耗尽的CD8+FOXP3+T细胞非常接近,两者都与生存率差相关.
结论:
- BCSC在乳腺癌预后中发挥着重要作用,并影响免疫微环境.
- 开发的BCSC相关风险评分为个性化治疗策略和预测免疫治疗疗效的潜在工具.
- 准BCSC或调节它们与免疫细胞的相互作用可能是改善乳腺癌结果的新治疗途径.
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