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Published in: Journal of Cancer Research and Clinical Oncology 1/2014

Open Access 01-01-2014 | Review

Breast cancer adaptive resistance: HER2 and cancer stem cell repopulation in a heterogeneous tumor society

Authors: Nadire Duru, Demet Candas, Guochun Jiang, Jian Jian Li

Published in: Journal of Cancer Research and Clinical Oncology | Issue 1/2014

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Abstract

Purpose

The lethal effects of cancer are associated with the enhanced tumor aggressiveness in recurrent and metastatic lesions that show resistant phenotype to anti-cancer therapy, a major barrier to improving overall survival of cancer patients. The presence of heterogeneous populations of cancer cells within a specific tumor including the tumor-initiating cells or so-called cancer stem cells (CSCs) has linked the acquired resistance (AR, or adaptive resistance). Herein, we discuss the CSC-mediated tumor repopulation in AR of breast cancer in this review.

Methods

We emphasize a dynamic feature of gene induction in tumor cells that undergo long-term treatment, and describe a specific HER2-NF-κB-HER2 pro-survival pathway that can be initiated in breast CSCs upon radiation therapy.

Results

Elucidation of HER2-induced pro-survival networks, specifically the force driving tumor repopulation due to radioresistant CSCs during anticancer therapies, will have a significant impact on the generation of new diagnostic and therapeutic targets to control of recurrent and metastatic breast tumors.
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Metadata
Title
Breast cancer adaptive resistance: HER2 and cancer stem cell repopulation in a heterogeneous tumor society
Authors
Nadire Duru
Demet Candas
Guochun Jiang
Jian Jian Li
Publication date
01-01-2014
Publisher
Springer Berlin Heidelberg
Published in
Journal of Cancer Research and Clinical Oncology / Issue 1/2014
Print ISSN: 0171-5216
Electronic ISSN: 1432-1335
DOI
https://doi.org/10.1007/s00432-013-1494-1

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