在一个嵌入在中国队列中的病例对照研究中,阿弗拉托克辛与胆囊癌的关联
Jill Koshiol1, Bin Zhu1, Renwei Wang2
1Division of Cancer Epidemiology and Genetics, National Cancer Institute, Rockville, Maryland, USA.
International journal of cancer
|October 16, 2023
概括
通过白蛋白添加物表示的阿弗拉托辛B1 (AFB1) 暴露与胆囊癌 (GBC) 的风险增加了一倍. 这项研究提供了第一个证据,证明AFB1暴露和GBC发育之间的时间性.
科学领域:
- 毒理学 毒理学 毒理学
- 胃肠病学 胃肠病学
- 癌症研究 癌症研究
背景情况:
- 甲素B1 (AFB1) 是一种在食品中发现的有毒化合物,已知具有致癌性.
- 以前的研究表明,AFB1暴露与各种癌症之间存在联系,但对胆囊癌 (GBC) 的证据有限.
- 确定暴露和疾病之间的暂时性对于理解因果关系至关重要.
研究的目的:
- 为了研究甲素B1 (AFB1) 暴露与随后患上胆囊癌 (GBC) 的风险之间的关联.
- 为了评估AFB1暴露,以AFB1-氨酸白蛋白添加剂测量,是否先于GBC的发展.
- 探索潜在的剂量反应关系和结合作用与胆结石.
主要方法:
- 在上海队列研究中进行了一项嵌套病例控制研究,涉及18244名男性.
- 基线血清样本在84例GBC病例和168个匹配对照中被分析为AFB1-lysinealbumin添加物.
- 调整的几率比率 (ORs) 和95%置信区间 (CI) 被计算出来,以评估 adduct 水平与 GBC 风险之间的关联.
主要成果:
- 在50%的GBC病例中检测到AFB1-lysine专添加物.
- 可检测到的AFB1-lysine专添加物与两倍增加的GBC风险相关 (OR = 2.0,95% CI = 1.0-3.9).
- 观察到一种可暗示的剂量反应关系 (Ptrend = .05),较高的阿杜克水平与更高的GBC风险相关. 在可检测的 adducts 和自我报告的胆结石中,OR 为 9.4 (95% CI = 1.7-51.1).
结论:
- 在基线检测到的AFB1-lysine专添加物与患上胆囊癌的风险增加有关.
- 这项研究提供了第一个暂时性证据,支持AFB1暴露和GBC之间的因果关系.
- 这些发现强调了减少AFB1暴露的重要性,以减轻GBC风险,特别是在高暴露水平的人群中.
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