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Published in: Breast Cancer Research 1/2003

01-02-2003 | Review

Deregulation of p27 by oncogenic signaling and its prognostic significance in breast cancer

Authors: Angel Alkarain, Joyce Slingerland

Published in: Breast Cancer Research | Issue 1/2003

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Abstract

p27 is a key regulator of progression from G1 to S phase. Although the gene encoding p27 is rarely mutated in human cancers, p27 is functionally inactivated in a majority of human cancers through accelerated p27 proteolysis, through sequestration by cyclin D–cyclin-dependent kinase complexes and by cytoplasmic mislocalization. Here we review mechanisms whereby oncogenic activation of receptor tyrosine kinase and Ras pathways lead to accelerated p27 proteolysis and p27 mislocalization in cancer cells. The prognostic significance of p27 in human breast cancer is also reviewed.
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Metadata
Title
Deregulation of p27 by oncogenic signaling and its prognostic significance in breast cancer
Authors
Angel Alkarain
Joyce Slingerland
Publication date
01-02-2003
Publisher
BioMed Central
Published in
Breast Cancer Research / Issue 1/2003
Electronic ISSN: 1465-542X
DOI
https://doi.org/10.1186/bcr722

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