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ATF2 on the double – activating transcription factor and DNA damage response protein

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Abstract:

Summary

Signal transduction pathways play a key role in the regulation of key cellular processes, including survival and death. Growing evidence points to changes in signaling pathway that occur during skin tumor development and progression. Such changes impact the activity of downstream substrates, including transcription factors. The activating transcription factor 2 (ATF2) has been implicated in malignant and non-malignant skin tumor developments. ATF2 mediates both transcription and DNA damage control, through its phosphorylation by JNK/p38 or ATM/ATR respectively. Here, we summarize our present understanding of ATF2 regulation, function and contribution to malignant and non-malignant skin tumor development.

Keywords: ATF2; DNA damage; hypoxia; melanoma; skin cancer; stress response; transcription

Document Type: Research Article

DOI: http://dx.doi.org/10.1111/j.1600-0749.2007.00414.x

Publication date: December 1, 2007

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