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乳腺癌中独特的免疫景观和基因表达特征:年轻人与非年轻患者

Zijun Zhu¹, Chen Gao², Yongxin Li¹

¹Breast Disease Diagnosis and Treatment Center of Affiliated Hospital of Qinghai University, Affiliated Cancer Hospital of Qinghai University, Xining, China.

Breast care (Basel, Switzerland)

|October 9, 2025

概括

与老年患者 (BCNY) 相比,患有乳腺癌 (BCY) 的年轻女性表现出不同的免疫微环境. 这项研究揭示了免疫细胞和基因表达的差异,为BCYY提供了洞察力.

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) 是一个全球性的健康问题,在年轻女性 (BCY) 中,与非年轻患者 (BCNY) 相比,乳腺癌经常呈现出更具侵略性的临床和生物特征.
瘤免疫微环境在BCY和BCNY之间观察到的这些差异中的特定作用仍然不完全阐明.
了解这些区别对于开发有针对性的治疗策略至关重要.

研究的目的:

研究和比较瘤透免疫细胞 (TIIC) 和年轻患者乳腺癌 (BCY) 和非年轻患者乳腺癌 (BCNY) 之间的基因表达特征.
确定特征BCY的特定免疫细胞群和分子通路,并可能导致其侵略性.
探索基因表达与患者预后之间的相关性.

主要方法:

利用了来自国际乳腺癌联盟 (METABRIC) 数据库的分子分类学数据.
使用CIBERSORT算法量化瘤中22种免疫细胞类型的相对丰度.
在R和基因组丰富分析 (GSEA) 中使用"limma"包进行了差异基因表达分析.

主要成果:

BCY表现出M0巨细胞和激活的树突细胞的更高流行率,而BCNY显示出CD4记忆T细胞,M2巨细胞和中性粒细胞的更大透率.
确定了11个显著差异表达的基因,包括BCY组中的FDCSP和GABRP的上调调节.
在BCY中,GSEA表明了促炎途径和BCNY中代谢/细胞外矩阵途径的丰富. 某些基因表达 (NAT1,CA12,SRARP) 与改善的无复发生存率相关.

结论:

在BCY和BCNY之间存在免疫细胞透,基因表达和通路激活的显著差异.
这些发现为BCY独特的瘤生物学提供了关键的见解,可能解释其更具侵略性的行为和更差的预后.
这项研究强调了免疫微环境在理解乳腺癌异质性和结果方面的重要性.

关键词:

乳腺癌乳腺癌乳腺癌基因表达基因表达基因表达免疫的景观.免疫微环境是一个微环境.瘤透的免疫细胞进入了瘤.年轻患者的年轻患者.

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