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Published in: Current Colorectal Cancer Reports 4/2013

01-12-2013 | Molecular Biology (S Anant, Section Editor)

Reactive Oxygen Species and Colorectal Cancer

Authors: Sandeep Sreevalsan, Stephen Safe

Published in: Current Colorectal Cancer Reports | Issue 4/2013

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Abstract

Several agents used for treatment of colon and other cancers induce reactive oxygen species (ROS), and this plays an important role in their anticancer activities. In addition to the well-known proapoptotic effects of ROS inducers, these compounds also decrease expression of specificity protein (Sp) transcription factors Sp1, Sp3, and Sp4 and several prooncogenic Sp-regulated genes important for cancer cell proliferation, survival, and metastasis. The mechanism of these responses involves ROS-dependent downregulation of miR-27a or miR-20a (and paralogs) and induction of two Sp repressors, ZBTB10 and ZBTB4, respectively. This pathway significantly contributes to the anticancer activity of ROS inducers and should be considered in the development of drug combinations for cancer chemotherapy.
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Metadata
Title
Reactive Oxygen Species and Colorectal Cancer
Authors
Sandeep Sreevalsan
Stephen Safe
Publication date
01-12-2013
Publisher
Springer US
Published in
Current Colorectal Cancer Reports / Issue 4/2013
Print ISSN: 1556-3790
Electronic ISSN: 1556-3804
DOI
https://doi.org/10.1007/s11888-013-0190-5

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