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结肠癌的细胞凋亡:与Ki-67增殖活性及p53表达的比较

Apoptosis of colon cancer: comparison with Ki-67 proliferative activity and expression of p53.

作者信息

Takano Y, Saegusa M, Ikenaga M, Mitomi H, Okayasu I

机构信息

Department of Pathology Kitasato University School of Medicine, Japan.

出版信息

J Cancer Res Clin Oncol. 1996;122(3):166-70. doi: 10.1007/BF01366957.

Abstract

The role of apoptosis in colon cancer was investigated in terms of control of growth and expression on p53, using the nick-ended-DNA labelling method and immunohistochemistry. The apoptotic labeling index was highest in the T1 stage (24 cases), as was the proliferative activity, assessed in terms of the Ki-67 labeling index. Both labeling indices demonstrated similar overall incidence curves for the total 95 colon cancer cases, and examination of individual cases revealed a statistically significant correlation (P=0.01). However, neither index had any relation to p53. The results thus suggest that apoptosis in colon cancers has a linkage with proliferative activity that can be assessed by Ki-67 labeling, but is not regulated by the p53 system. This might contribute to the diversity of colon cancer growth.

摘要

运用缺口末端DNA标记法和免疫组织化学技术,从生长控制和p53表达方面研究了细胞凋亡在结肠癌中的作用。凋亡标记指数在T1期(24例)最高,增殖活性也是如此,增殖活性通过Ki-67标记指数评估。对于总共95例结肠癌病例,这两个标记指数均显示出相似的总体发生率曲线,对个别病例的检查显示存在统计学显著相关性(P = 0.01)。然而,两个指数均与p53无关。因此,结果表明结肠癌中的细胞凋亡与可通过Ki-67标记评估的增殖活性有关,但不受p53系统调节。这可能导致结肠癌生长的多样性。

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本文引用的文献

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Cancer. A death in the life of p53.癌症。p53生命中的死亡。
Nature. 1993 Apr 29;362(6423):786-7. doi: 10.1038/362786a0.
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Apoptosis. Its significance in cancer and cancer therapy.细胞凋亡:其在癌症及癌症治疗中的意义
Cancer. 1994 Apr 15;73(8):2013-26. doi: 10.1002/1097-0142(19940415)73:8<2013::aid-cncr2820730802>3.0.co;2-j.

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