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Zinc transporter LIVI controls epithelial-mesenchymal transition in zebrafish gastrula organizer

Author

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  • Susumu Yamashita

    (Graduate School of Frontier Biosciences, Osaka University
    Graduate School of Medicine, Osaka University)

  • Chiemi Miyagi

    (Graduate School of Medicine, Osaka University)

  • Toshiyuki Fukada

    (Graduate School of Medicine, Osaka University
    RIKEN Research Center for Allergy and Immunology)

  • Naofumi Kagara

    (Graduate School of Medicine, Osaka University)

  • Yong-Suk Che

    (Graduate School of Frontier Biosciences, Osaka University)

  • Toshio Hirano

    (Graduate School of Frontier Biosciences, Osaka University
    Graduate School of Medicine, Osaka University
    RIKEN Research Center for Allergy and Immunology)

Abstract

Vertebrate gastrulation is a critical step in the establishment of body plan. During gastrulation, epithelial-mesenchymal transition (EMT) occurs1. EMT is one of the central events of embryonic development, organ and tissue regeneration, and cancer metastasis1,2. Signal transducers and activators of transcription (STATs) mediate biological actions such as cell proliferation, differentiation and survival in response to cytokines and growth factors, in a variety of biological processes3,4,5,6. STATs are also important in EMT during gastrulation, organogenesis, wound healing and cancer progression7,8,9. We previously showed that STAT3 is activated in the organizer during zebrafish gastrulation and its activity is essential for gastrulation movements. The requirement for STAT3 is cell-autonomous for the anterior migration of gastrula organizer cells, and non-cell-autonomous for the convergence of neighbouring cells10. The molecular mechanisms of STAT's action in EMT, however, are unknown. Here we identify LIV1, a breast-cancer-associated zinc transporter protein11,12,13, as a downstream target of STAT3 that is essential and sufficient for STAT3's cell-autonomous role in the EMT of zebrafish gastrula organizer cells. Furthermore, we demonstrate that LIV1 is essential for the nuclear localization of zinc-finger protein Snail, a master regulator of EMT1,2,14,15. These results establish a molecular link between STAT3, LIV1 and Snail in EMT.

Suggested Citation

  • Susumu Yamashita & Chiemi Miyagi & Toshiyuki Fukada & Naofumi Kagara & Yong-Suk Che & Toshio Hirano, 2004. "Zinc transporter LIVI controls epithelial-mesenchymal transition in zebrafish gastrula organizer," Nature, Nature, vol. 429(6989), pages 298-302, May.
    • Handle: RePEc:nat:nature:v:429:y:2004:i:6989:d:10.1038_nature02545
    DOI: 10.1038/nature02545
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    Cited by:

    1. Mohadeseh Mehrabian & Dylan Brethour & Declan Williams & Hansen Wang & Hélène Arnould & Benoit Schneider & Gerold Schmitt-Ulms, 2016. "Prion Protein Deficiency Causes Diverse Proteome Shifts in Cell Models That Escape Detection in Brain Tissue," PLOS ONE, Public Library of Science, vol. 11(6), pages 1-27, June.

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