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- W3029515087 abstract "目的 研究胆囊腺瘤从增殖到恶变中腺上皮细胞的增殖变化和基因表达.方法用PCR-RFLP法测定APC、ras基因的表达, ABC免疫化学组织染色法测定p53基因蛋白的表达.用TJTY-300全自动图像分析仪测定胆囊上皮细胞核异型性和DNA含量.结果 (1)胆囊上皮细胞核异型性和DNA含量在胆囊腺瘤-腺癌过程中逐渐增加(P<0.05).(2)胆囊腺瘤中异倍体比例与腺瘤的大小有明显的关系,直径≥1 cm异倍体比例显著增加(P<0.05).(3)APC基因和ras基因参与胆囊腺瘤-腺癌过程.p53基因在这一过程中不表达.结论胆囊腺瘤-腺癌的过程也是胆囊癌发生中一条重要的途径.当胆囊腺瘤直径≥1 cm时具有明显的癌变潜能.其基因表达与胆囊上皮不典型增生-原位癌途径不同,APC、ras基因在表达胆囊腺瘤-腺癌的途径中起主要作用。" @default.
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- W3029515087 date "2004-07-28" @default.
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- W3029515087 title "DNA content and gene expression in adenoma-carcinoma sequence of gallbladder carcinogenesis" @default.
- W3029515087 doi "https://doi.org/10.3760/cma.j.issn.1007-8118.2004.07.010" @default.
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