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National Institute of Environmental Health Sciences

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Your Environment. Your Health.

Publication Detail

Title: Regulation of notch1 signaling by nrf2: implications for tissue regeneration.

Authors: Wakabayashi, Nobunao; Shin, Soona; Slocum, Stephen L; Agoston, Elin S; Wakabayashi, Junko; Kwak, Mi-Kyoung; Misra, Vikas; Biswal, Shyam; Yamamoto, Masayuki; Kensler, Thomas W

Published In Sci Signal, (2010 Jul 13)

Abstract: The Keap1-Nrf2-ARE signaling pathway elicits an adaptive response for cell survival after endogenous and exogenous stresses, such as inflammation and carcinogens, respectively. Keap1 inhibits the transcriptional activation activity of Nrf2 (p45 nuclear factor erythroid-derived 2-related factor 2) in unstressed cells by facilitating its degradation. Through transcriptional analyses in Keap1- or Nrf2-disrupted mice, we identified interactions between the Keap1-Nrf2-ARE and the Notch1 signaling pathways. We found that Nrf2 recognized a functional antioxidant response element (ARE) in the promoter of Notch1. Notch1 regulates processes such as proliferation and cell fate decisions. We report a functional role for this cross talk between the two pathways and show that disruption of Nrf2 impeded liver regeneration after partial hepatectomy and was rescued by reestablishment of Notch1 signaling.

PubMed ID: 20628156 Exiting the NIEHS site

MeSH Terms: No MeSH terms associated with this publication

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