Concurrent mutations of K-ras oncogene at codons 12 and 22 in colon cancer.

Abstract:

:K-ras mutation is the most common oncogenic alteration in various human cancers including colorectal carcinomas. Point mutations have the potential to activate the K-ras gene if they occur in the critical coding sequences. Almost all of these mutations have been localized in codons 12, 13 and 61. We report a case of colon cancer presenting point mutations at both codons 12 and 22 of the K-ras gene. PCR-SSCP and subsequent sequencing revealed that GGT (glycine, wild-type) to AGT (serine) substitution at codon 12 and CAG (glutamine, wild-type) to CGG (arginine) substitution at codon 22 occurred in the same allele.

journal_name

Jpn J Clin Oncol

authors

Miyakura Y,Sugano K,Fukayama N,Konishi F,Nagai H

doi

10.1093/jjco/hyf043

keywords:

subject

Has Abstract

pub_date

2002-06-01 00:00:00

pages

219-21

issue

6

eissn

0368-2811

issn

1465-3621

journal_volume

32

pub_type

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