Biallelic expression of the IGF2 gene in human breast disease.

Abstract:

:We examined the imprinting status of the insulin-like growth factor II gene (IGF2) in a series of 20 human breast disease samples to determine if disrupted imprinting (as evidenced by biallelic expression), was a demonstrable mechanism of altered gene expression. These samples included benign (n = 7) and malignant breast lesions (n = 13). Biallelic expression of IGF2 was detectable in 67% of benign and 60% of malignant informative breast lesions. Three informative reduction mastectomies displayed normal IGF2 imprinting. The presence of this alteration in human breast tissue is a novel finding, and may contribute to tumorigenesis, possibly by favouring an enhanced proliferative milieu, during which additional mutations could occur.

journal_name

Hum Mol Genet

journal_title

Human molecular genetics

authors

McCann AH,Miller N,O'Meara A,Pedersen I,Keogh K,Gorey T,Dervan PA

doi

10.1093/hmg/5.8.1123

subject

Has Abstract

pub_date

1996-08-01 00:00:00

pages

1123-7

issue

8

eissn

0964-6906

issn

1460-2083

pii

6d0056

journal_volume

5

pub_type

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