Nrf2 regulates haematopoietic stem cell function

Jennifer J Tsai, Jarrod Andrew Dudakov, Koichi Takahashi, Jae-Hung Shieh, Enrico Velardi, Amanda M Holland, Natalie V Singer, Mallory L West, Odette M Smith, Lauren Florence Young, Yusuke Shono, Arnab Ghosh, Alan M Hanash, Hien T Tran, Malcolm AS Moore, Marcel R M van den Brink

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137 Citations (Scopus)


Co-ordinating the balance between haematopoietic stem cell (HSC) quiescence and self-renewal is crucial for maintaining haematopoiesis lifelong. Equally important for haematopoietic function is modulating HSC localization within the bone marrow niches, as maintenance of HSC function is tightly controlled by a complex network of intrinsic molecular mechanisms and extrinsic signalling interactions with their surrounding microenvironment. In this study we demonstrate that nuclear factor erythroid 2-related factor 2 (Nfe2l2, or Nrf2), well established as a global regulator of the oxidative stress response, plays a regulatory role in several aspects of HSC homeostasis. Nrf2 deficiency results in an expansion of the haematopoietic stem and progenitor cell compartment due to cell-intrinsic hyperproliferation, which was accomplished at the expense of HSC quiescence and self-renewal. We further show that Nrf2 modulates both migration and retention of HSCs in their niche. Moreover, we identify a previously unrecognized link between Nrf2 and CXCR4, contributing, at least partially, to the maintenance of HSC function.
Original languageEnglish
Pages (from-to)309 - 316
Number of pages8
JournalNature Cell Biology
Issue number3
Publication statusPublished - 2013

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