Deletions in the short arm of chromosome 8 are present in up to 90% of human colorectal cancer cell lines

Deletions in the short arm of chromosome 8 are present in up to 90% of human colorectal cancer cell lines
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缺失%20in%20the%20short%20arm%20of%20染色体%208%20are%20present%20in%20up%20to%2090%%20of%20 human%20colorectal%20cancer%20cell%20lines

DOI:
10.1002/gcc.2870050114
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发表时间:
1992
期刊:
影响因子:
3.5
通讯作者:
M. Schwab
M. Schwab
中科院分区:
生物学3区
文献类型:
--
作者:
Kai Van Der Bosch;Ilona Becker;L. Savelyeva;S. Brüderlein;Peter M. Schlag;M. Schwab

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人类结肠癌细胞的细胞遗传学分析显示,染色体臂8p中存在非随机缺失,以及其他染色体变化。通过使用8p特异性DNA探针,我们可以在87%的结肠癌细胞系中鉴定等位基因缺失。在直接制备的结肠肿瘤组织中的相应分析揭示了40%的等位基因损失的最小值,但在许多情况下被污染的正常组织所阻碍。这些发现增加了结肠癌发生过程中发生的非随机遗传改变的数量。
Cytogenetic analyses of human colon cancer cells have revealed non‐random deletions in chromosome arm 8p, among other chromosomal changes. By using 8p‐specific DNA probes we could identify allelic loss in 87% of colon cancer cell lines. Corresponding analyses in direct preparations of colon tumor tissues revealed a minimal value of 40% of allelic loss but were obstructed in many instances by contaminating normal tissue. These findings add to the number of non‐random genetic alterations occurring during colon carcinogenesis.
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