Helicobacter pylori 状态可能区分两种不同的胃腺癌癌发生的途径
Martin Tobi1, Douglas Weinstein2, Mijin Kim3
1Department of Research and Development, John D. Dingell VAMC, Detroit, MI 48201, USA.
Current oncology (Toronto, Ont.)
|September 27, 2023
概括
杆菌 (HP) 状态影响胃癌 (GC) 的进展,HP阳性病例显示出明显的途径. 天生的免疫系统可能在GC预后中发挥作用,有助于早期诊断和治疗.
科学领域:
- 胃肠病学 胃肠病学
- 在瘤学瘤学.
- 免疫学 免疫学 免疫学
背景情况:
- 胃癌 (GC) 的表型不同,受到Helicobacter pylori (HP) 状态和免疫标记物的影响.
- 了解GC病原体对于开发向疗法和改善患者治疗结果至关重要.
研究的目的:
- 根据HP状态和Adnab-9结合,评估零星的胃癌表型.
- 为了比较家族GC亲属与零星GC患者,以确定共享的侵略性表型.
- 探索先天免疫系统 (InImS) 和FERAD比率在GC预后中的作用.
主要方法:
- 偶发性和家族性GC标本的表型评估,包括HP染色,肠道代谢 (IM) 评估和Adnab-9免疫染色.
- 在家族病例中对APC和E-cadherin突变进行遗传分析.
- 在前性跟踪的患者组中进行生存分析和FERAD比率的确定.
主要成果:
- 阳性HP (HP+) 偶发性GC显示出更多的IM和胃缩比HP负 (HP-) 病例.
- 家庭GC亲属表现出一种极其侵略性的表型,死亡率很快.
- 在GC患者和癌前疾病患者中,FERAD比率显著降低,这表明InImS功能障碍.
结论:
- 间歇性GC致癌的两种不同的途径可能存在:一个涉及HP感染,IM和缩,另一个省略了这个序列.
- 亲属GC可能代表一个具有HP-通路特征的子集.
- InImS状态与GC预后有关,可能使早期诊断和治疗分层成为可能.
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