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PTEN及P53在胃癌及胃黏膜癌前病变中的表达及意义 被引量:2

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摘要 胃癌是常见的消化道肿瘤,其发展过程有很多危险因素:幽门螺杆菌感染、吸烟及不良的饮食习惯等,但其发病机制并不完全明确。胃癌的发生发展过程经过正常胃黏膜-胃黏膜低级别上皮内瘤变-胃黏膜高级别上皮内瘤变-浸润性癌的过程[1]。癌基因的过表达和抑癌基因突变在胃癌的进展过程中起到重要作用,PTEN及P53都属于抑癌基因,PTEN定位于染色体10q23,可以影响细胞核内周期调控和细胞膜的细胞间的黏附;P53在当前研究最为广泛,也是突变率最高的抑癌基因[2]。
出处 《中国药物与临床》 CAS 2021年第5期837-838,共2页 Chinese Remedies & Clinics
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