巴雷特食道中的分子异常和致癌:对癌症治疗和预防的影响
Thaís Cabral de Melo Viana1, Eric Toshiyuki Nakamura1, Amanda Park2
1Department of Gastroenterology, Universidade de Sao Paulo, Sao Paulo 05508-220, Brazil.
Genes
|March 28, 2025
概括
巴雷特食道 (BE) 通过分子变化发展为食道腺癌 (EAC). 了解这些遗传和表观遗传变化是改善预防和治疗这种先发性疾病的关键.
科学领域:
- 胃肠病学 胃肠病学
- 分子瘤学分子瘤学
- 癌症研究 癌症研究
背景情况:
- 巴雷特食道 (Barrett's esophagus,BE) 涉及由于慢性胃食道逆流病 (GERD) 的状表皮转变为柱状表皮.
- BE是一种已知的先发性疾病,是食道腺癌 (EAC) 的主要前体.
- 了解BE致癌的分子机制对于预防,监测和治疗至关重要.
研究的目的:
- 审查导致BE进展到EAC的分子异常.
- 要突出关键的遗传,表观遗传和染色体变化.
- 讨论潜在的治疗和监测策略.
主要方法:
- 关于BE到EAC进展中的分子异常的叙述性综述.
- 对遗传,表观遗传和染色体变化的检查.
- 对关键路径和生物标志物的分析.
主要成果:
- 贝的进展包括遗传变化 (例如TP53,CDKN2A突变),染色体不稳定性和途径失调 (例如PI3K/AKT/mTOR).
- 表观遗传变化,包括microRNA和DNA甲基化,有很大的贡献.
- 分子变化是特定阶段的,在过渡到高度发育不良或EAC期间出现早期变化.
- 化疗预防 (PPI + 阿司匹林) 和抗逆流体手术显示出有希望的结果.
- 分子生物标志物和精密医学为早期检测和个性化治疗提供了潜力.
结论:
- BE是EAC的主要前性状况.
- 了解分子转变可以提高监测,GERD管理和治疗策略.
- 改进的战略可以减少EAC的全球负担.
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