绝经前和绝经后乳腺癌病例的变异分析
Ibrahim Halil Erdogdu1, Seda Orenay-Boyacioglu2, Olcay Boyacioglu3
1Department of Molecular Pathology, Faculty of Medicine, Aydin Adnan Menderes University, 09010 Aydin, Turkey.
Journal of personalized medicine
|April 27, 2024
概括
这项研究揭示了绝经前和绝经后妇女之间乳腺癌分子概况的显著差异. 关键基因突变和激素受体分布因更年期状态而异,影响癌症的理解.
科学领域:
- 在瘤学瘤学.
- 遗传学 是一个遗传学.
- 内分泌学 在内分泌学.
背景情况:
- 更年期状态是影响乳腺癌预后和结果的关键因素.
- 了解基于更年期状态的分子变异对于个性化治疗策略至关重要.
研究的目的:
- 为了研究和比较乳腺癌患者在不同更年期状态的分子变异概况.
- 为了确定在绝经前和绝经后妇女之间的分子亚型,激素受体状态和基因突变的差异.
主要方法:
- 在2018年至2022年期间诊断出254名乳腺癌患者的回顾性分析.
- 使用QIAseq人类乳腺癌NGS面板进行分子亚型和下一代测序 (NGS).
- 根据年龄确定更年期状态 (≥50岁被视为更年期后).
主要成果:
- 在绝经前和绝经后组之间观察到激素受体分布 (ER/PgR) 的显著差异 (p=0.008).
- 虽然BCa亚型的总体分布没有显著差异 (p>0.05),但特定基因突变有所不同:TP53,PIK3CA,NF1,BRCA2,PTEN和CHEK2在绝经前患者中更为频繁.
- 在绝经后的患者中,TP53,PIK3CA,BRCA2,BRCA1和ATR突变更为普遍.
结论:
- 更年期状态与乳腺癌患者的独特分子特征有关.
- 这些发现强调了考虑更年期状态在乳腺癌分子分析和治疗中的重要性.
- 这项研究提供了基于土耳其更年期状态的分子亚型和突变配置文件的首次见解.
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