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KAI1/CD82基因在胃癌上皮-间质转化中的研究进展 被引量:2

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摘要 胃癌(gastric carcinoma,GC)是我国消化道最常见的恶性肿瘤之一,也是全球面临的一个重大健康问题。根据最新的全球癌症统计数据分析,2020年全球癌症死亡病例数接近1000万人,而胃癌的死亡病例数约77万(7.7%)[1]。2020年我国胃癌的发病率和死亡率分别仅次于大肠癌和肝癌,均位居恶性肿瘤的第3位[2]。近年来,尽管胃癌患者在临床治疗及预后方面较以往有所改善,但总体5年生存率仍不理想。上皮-间质转化(epithelial-mesenchymal transition,EMT)不仅在胚胎发生和组织修复过程中发挥着密不可分的作用,也在恶性肿瘤发生、发展中起关键作用。EMT能使肿瘤细胞离开原发部位,并促进肿瘤细胞的运动和扩散,是恶性肿瘤通过血道及淋巴道等多种途径向远处蔓延的关键步骤。KAI1(Kang Ai 1)基因是一种广谱的肿瘤转移抑制基因,也是目前生物医学研究领域的热点。KAI1/CD82基因能够抑制包括胃癌在内的多种恶性肿瘤的转移,但并不抑制原发肿瘤的生长。KAI1/CD82是同型细胞间黏附的重要调节剂,也是E-cadherin/β-catenin复合物的稳定剂,抑制EMT发生,进而抑制恶性肿瘤的侵袭和转移。因此推测,KAI1基因将可能成为一种新的抗转移的癌症治疗靶点,为开发新的靶向治疗药物提供新的思路和见解。本文就KAI1基因在胃癌EMT作用中的研究进展作一简要综述。
出处 《四川医学》 CAS 2021年第12期1260-1263,共4页 Sichuan Medical Journal
基金 遵义医科大学硕士启动基金(编号:F-961)
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