从GWAS和eQTL研究中整合总结数据,可以预测S1PR1和乳腺癌的因果关系
Huiwen Shi1, Haibing Wang2, Mingkui Li3
1Department of General Surgery, No. 971 Hospital of PLA Navy, Shinan District, Qingdao, China.
Medicine
|September 9, 2025
概括
血液中的神素1-酸盐受体1 (S1PR1) 表达与乳腺癌风险增加有关,特别是雌激素受体阳性 (ER +) 乳腺癌. 这种基因可以作为乳腺癌风险评估的诊断目标.
科学领域:
- 遗传学 是一个遗传学.
- 在瘤学瘤学.
- 分子生物学分子生物学
背景情况:
- 乳腺癌对妇女的健康构成重大威胁,需要改善早期检测和预后指标.
- 斯芬戈-1-酸盐受体1 (S1PR1) 在乳腺癌发病过程中的特定作用尚不清楚,仍然是争论的主题.
- 雌激素受体 (ER) 状态是乳腺癌分类和治疗的关键因素,影响预后和治疗策略.
研究的目的:
- 调查基-1-酸盐受体1 (S1PR1) 表达与患乳腺癌的风险之间的潜在因果关系.
- 检查这种关系是否受到乳腺癌中雌激素受体 (ER) 状态的影响.
- 探索S1PR1作为乳腺癌风险评估的潜在生物标志物.
主要方法:
- 利用来自全基因组关联研究 (GWAS) 和表达量化特征位点 (eQTLs) 的总结级数据在欧洲人群中.
- 采用孟德尔随机化 (MR) 技术,包括基于总结数据的MR (SMR) 和2-样本MR,以评估因果关系.
- 进行异质性测试 (HEIDI) 和贝叶斯同位化分析,以评估发现的稳定性和特异性.
主要成果:
- 血液中S1PR1表达率升高与乳腺癌总体风险增加 (OR:1.15) 和ER阳性 (ER+) 乳腺癌风险增加 (OR:1.20) 有显著关联.
- 相反,大脑皮层中的S1PR1表达与对ER+乳腺癌风险的保护作用有关 (OR:0.89).
- 核磁共振分析证实了整体和ER+乳腺癌的风险增加,而与乳腺癌存活率没有显著关联. 局部化分析没有揭示共享的遗传基础,这表明潜在的不足.
结论:
- 这些发现表明,S1PR1基因表达,特别是在血液中,可以作为评估乳腺癌风险的潜在生物标志物,特别是在ER+病例中.
- 需要进一步的研究来阐明S1PR1在不同组织中的复杂作用及其对乳腺癌预后的影响.
- 作为乳腺癌管理的潜在治疗目标和诊断工具,S1PR1值得研究.
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