Genome-wide screening of genes showing altered expression in liver metastases of human colorectal cancers by cDNA microarray.

Abstract:

:In spite of intensive and increasingly successful attempts to determine the multiple steps involved in colorectal carcinogenesis, the mechanisms responsible for metastasis of colorectal tumors to the liver remain to be clarified. To identify genes that are candidates for involvement in the metastatic process, we analyzed genome-wide expression profiles of 10 primary colorectal cancers and their corresponding metastatic lesions by means of a cDNA microarray consisting of 9121 human genes. This analysis identified 40 genes whose expression was commonly upregulated in metastatic lesions, and 7 that were commonly downregulated. The upregulated genes encoded proteins involved in cell adhesion, or remodeling of the actin cytoskeleton. Investigation of the functions of more of the altered genes should improve our understanding of metastasis and may identify diagnostic markers and/or novel molecular targets for prevention or therapy of metastatic lesions.

journal_name

Neoplasia

authors

Yanagawa R,Furukawa Y,Tsunoda T,Kitahara O,Kameyama M,Murata K,Ishikawa O,Nakamura Y

doi

10.1038/sj.neo.7900185

keywords:

subject

Has Abstract

pub_date

2001-09-01 00:00:00

pages

395-401

issue

5

eissn

1522-8002

issn

1476-5586

journal_volume

3

pub_type

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