Journal
CANCER RESEARCH
Volume 75, Issue 19, Pages 3997-4002Publisher
AMER ASSOC CANCER RESEARCH
DOI: 10.1158/0008-5472.CAN-15-0173
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Funding
- Fundacion BBVA
- European Commission [ERC 294665]
- Spanish MINECO [BFU2010-17850, CSD2010-0045]
- Marato TV3 [20133430/31]
- AGAUR [2014 SRG-535]
- Fundacion Olga Torres
- ICREA Funding Source: Custom
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p38 alpha is a ubiquitous protein kinase strongly activated by stress signals, inflammatory cytokines, and many other stimuli, which has been implicated in the modulation of multiple cellular processes. There is good evidence in the literature that p38 alpha plays an important tumor-suppressor role by interfering with malignant cell transformation. This is mainly based on the ability of the p38 alpha pathway to regulate tissue homeostasis by integrating signals that balance cell proliferation and differentiation or induce apoptosis. However, recent reports have also illustrated protumorigenic functions for p38 alpha. Thus, p38 alpha signaling may facilitate the survival and proliferation of tumor cells contributing to the progression of some tumor types. In addition, p38 alpha activation helps tumor cells to survive chemotherapeutic treatments. In all these cases, the inhibition of p38 alpha has a potential therapeutic interest. Further elucidation of the context-dependent functions of p38 alpha signaling in tumoral processes is of obvious importance for the use of inhibitors of this pathway in cancer therapy. (C) 2015 AACR.
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