Under anoxia a coordinated, cytoprotective program is induced, called the unfolded protein response (UPR). Activating transcription factor 4 (ATF4) is a mediator of the UPR and activates a gene expression program, promoting tumour growth and survival under anoxia. A key gene induced by ATF4 under normoxic conditions is SKIP3. We characterized the induction of SKIP3 during anoxic exposure to determine whether UPR alone was sufficient or there was a more complex regulatory response to anoxia. T...Expand abstract
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Multiple pathways are involved in the anoxia response of SKIP3 including HuR-regulated RNA stability, NF-kappaB and ATF4.
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