Comparative genomic hybridization of esophageal adenocarinoma and squamous cell carcinoma cell lines.

Comparative genomic hybridization of esophageal adenocarinoma and squamous cell carcinoma cell lines.
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食管腺癌和鳞状细胞癌细胞系的比较基因组杂交。

DOI:
10.1111/j.1442-2050.2006.00530.x
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发表时间:
2006-02
期刊:
Diseases of the esophagus : official journal of the International Society for Diseases of the Esophagus
影响因子:
--
通讯作者:
--
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其他
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我们比较了食管鳞状细胞癌(ESCC)和食管腺癌(EAC)产生的细胞系的全基因组变化。为此,我们使用比较基因组杂交 (CGH) 研究了四种 EAC 细胞系和三种 ESCC 细胞系的染色体 DNA 拷贝数变化。 ESCC和EAC细胞系中均出现频繁的5p、8q和20q染色体增益,但ESCC细胞系中主要出现3q、5q和9q染色体增益;染色体10q25-qtel的增加主要见于EAC细胞系。值得注意的是,我们的研究中 2 个 EAC 和 1 个 ESCC 细胞系中存在 18q12 缺失。所有细胞系共有的染色体异常可能有助于识别与 EAC 和 ESCC 相关的候选基因。主要见于 EAC 或 ESCC 细胞系的染色体畸变与其已知的不同病因学一致,并可能导致鉴定对疾病特异性发病机制重要的基因。
We compared whole genomic changes in cell lines generated from esophageal squamous cell carcinoma (ESCC) and esophageal adenocarcinoma (EAC). To do so, we investigated chromosomal DNA copy number changes in four EAC cell lines and three ESCC cell lines using comparative genomic hybridization (CGH). Frequent gains of chromosome 5p, 8q, and 20q occurred in both ESCC and EAC cell lines, but gains of 3q, 5q, and 9q were mainly seen in ESCC cell lines; gain of chromosome 10q25-qtel was mainly seen in EAC cell lines. It was noticeable that 18q12 loss existed in 2 EAC and 1 ESCC cell lines in our study. The chromosomal abnormalities common to all of the cell lines may help to identify candidate genes related to both EAC and ESCC. The chromosome aberrations mainly seen in either EAC or ESCC cell lines are in keeping with their known different etiology and may lead to the identification of genes important for disease specific pathogenesis.
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