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纯和混合的侵入性微毛囊性乳腺癌之间的差异:表皮-介质细胞过渡分子和预后
Ozden Oz1, Resmiye Irmak Yuzuguldu2, Ayse Yazici3
1Department of Pathology, Izmir Bozyaka Training and Research Hospital, University of Health Sciences, Izmir, Turkey. ozdenozpat@gmail.com.
Breast cancer research and treatment
|July 2, 2024
概括
乳腺的纯侵袭性微毛细细胞癌 (IMPC),定义为>90%的微毛细细胞成分,显示出明显的预后因素和分子特征. 在纯的IMPC中,N-cadherin表达是整体存活期的不良预后标志物.
科学领域:
- 在瘤学瘤学.
- 病理学 病理学 病理学
- 分子生物学分子生物学
背景情况:
- 乳腺的侵入性微粒细胞癌 (IMPC) 已因其高转移潜力而得到认可.
- 缺乏区分纯和混合IMPC的明确定义,影响预后准确性.
研究的目的:
- 调查IMPC中微粒细胞成分比率的预后意义.
- 分析表皮层-介质细胞过渡 (EMT) 分子 (E-cadherin,N-cadherin,CD44s,β-catenin) 在纯与混合IMPC中的表达.
- 确定这些因素是否可以区分纯和混合IMPC亚型.
主要方法:
- 对100例局部发达IMPC病例 (2000-2018年) 的回顾性分析,不包括接受新辅助化学疗法的患者.
- 纯的IMPC定义为>90%的微毛细细胞组成部分.
- 微阵列集上的EMT标记物的免疫组织化学 (IHC) 染色.
- 包括卡普兰-梅尔和考克斯比例危险模型在内的统计分析.
主要成果:
- 纯和混合IMPC组之间整体存活率 (OS) 或无病存活率 (DFS) 没有显著差异.
- 在纯的IMPC中,皮肤参与,pT3&4阶段,>5%的导管内成分和高N-cadherin表达与更短的生存时间有关.
- 在纯的IMPC (P=.002) 中,N-cadherin表达成为OS的显著不良预后标志物.
结论:
- 90%的比率有效地区分纯IMPC,揭示了与混合IMPC相比分子和预后参数的差异.
- 在EMT中N-cadherin的作用对于预测生存和区分IMPC亚型至关重要.
- 纯粹的IMPC代表了一个独特的临床病理学和分子实体.
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