与非携带者相比,乳腺癌患者的中枢神经系统转移与生殖 BRCA 病原体变异:匹配对分析
Matan Ben-Zion Berliner1, Shlomit Yust-Katz2,3, Inbar Lavie3
1Breast cancer Unit, Davidoff Cancer Center, Rabin Medical Center-Beilinson Hospital, Petach Tikva, Israel. matanbe4@gmail.com.
BMC cancer
|February 16, 2024
概括
乳腺癌患者的生殖系BRCA1/2突变与特定的中枢神经系统 (CNS) 转移模式有关,包括叶和乳腺膜扩散. 这些患者在中枢神经系统疾病诊断后的生存时间较短.
科学领域:
- 在瘤学瘤学.
- 遗传学 是一个遗传学.
- 神经学 神经学
背景情况:
- 乳腺癌经常转移到中枢神经系统 (CNS),显著影响生存率.
- 在BRCA1/2基因中的生殖系致病变体 (PVs) 是乳腺癌的主要遗传风险因素,通常与更差的预后有关.
研究的目的:
- 为了研究中枢神经系统转移的特征和结果,乳腺癌患者与生殖系BRCA1/2PVs.
- 为了比较BRCA1/2载体和非载体之间的中枢神经系统转移模式和存活率.
主要方法:
- 75名已知BRCA1/2突变状态和中枢神经系统转移的乳腺癌患者的回顾性队列研究 (2006-2021年).
- 倾向性得分匹配 (1:2比) 用于控制瘤受体状态和患者年龄.
- 统计分析包括皮尔森奇平方,费舍尔精确测试和卡普兰-梅尔生存曲线与日志等级测试.
主要成果:
- 在中枢神经系统诊断时,BRCA1/2携带者更年轻 (中位数为46.69岁与55.02岁),并且叶参与率 (52%与26%相比) 和脑叶传播率 (40%与20%相比) 更高.
- 中枢神经系统疾病诊断后的生存时间在BRCA1/2携带者中显著较短 (中位数为8.03个月与28.36个月).
- 在全身或中枢神经系统导向的治疗,或中枢神经系统转移的发展时间方面没有观察到显著差异.
结论:
- 生殖系BRCA1/2突变与明显的中枢神经系统转移模式有关,包括增加叶和乳腺膜参与乳腺癌.
- 患有中枢神经系统转移性乳腺癌和BRCA1/2 PVs的患者面临着更差的预后,在中枢神经系统诊断后的生存时间明显缩短.
- 这项研究是首次表明生殖系BRCA1/2突变对中枢神经系统转移性乳腺癌结果的特定影响.
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