2004
DOI: 10.1038/sj.emboj.7600476 View full text |Buy / Rent full text
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Abstract: Forkhead transcription factors of the FOXO class are negatively regulated by PKB/c-Akt in response to insulin/IGF signalling, and are involved in regulating cell cycle progression and cell death. Here we show that, in contrast to insulin signalling, low levels of oxidative stress generated by treatment with H 2 O 2 induce the activation of FOXO4. Upon treatment of cells with H 2 O 2 , the small GTPase Ral is activated and this results in a JNK-dependent phosphorylation of FOXO4 on threonine 447 and threonine 4… Show more

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