Aggressive subtypes of human colorectal tumors frequently exhibit amplification of the c-myc gene.

Abstract:

:Expression of the c-myc gene is often elevated in human colorectal tumors, but reported amplification of the locus is rare. Here we demonstrate that modest amplification of c-myc is frequently found in aggressive subtypes of colorectal cancer. Careful quantitation of c-myc copy number has shown amplification in 53.8% (7/13) mucinous tumors, 42.3% (3/7) poorly differentiated tumors and a single poorly differentiated APUD tumor. This contrasts with amplification in 6.9% (2/29) moderately to well differentiated tumors, a value which is in agreement with that in previously published reports. Such changes in gene copy number may represent an important aspect of the genomic alterations which accumulate during the development of colorectal tumors.

journal_name

Oncogene

journal_title

Oncogene

authors

Heerdt BG,Molinas S,Deitch D,Augenlicht LH

subject

Has Abstract

pub_date

1991-01-01 00:00:00

pages

125-9

issue

1

eissn

0950-9232

issn

1476-5594

journal_volume

6

pub_type

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