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Research Article

SUV420H2 is an epigenetic regulator of epithelial/mesenchymal states in pancreatic cancer

Manuel Viotti, Catherine Wilson, Mark McCleland, View ORCID ProfileHartmut Koeppen, View ORCID ProfileBenjamin Haley, Suchit Jhunjhunwala, View ORCID ProfileChristiaan Klijn, Zora Modrusan, David Arnott, Marie Classon, Jean-Philippe Stephan, View ORCID ProfileIra Mellman  Correspondence email
Manuel Viotti
Genentech, South San Francisco, CA
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Catherine Wilson
Genentech, South San Francisco, CA
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Mark McCleland
Genentech, South San Francisco, CA
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Hartmut Koeppen
Genentech, South San Francisco, CA
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  • ORCID record for Hartmut Koeppen
Benjamin Haley
Genentech, South San Francisco, CA
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Suchit Jhunjhunwala
Genentech, South San Francisco, CA
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Christiaan Klijn
Genentech, South San Francisco, CA
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Zora Modrusan
Genentech, South San Francisco, CA
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David Arnott
Genentech, South San Francisco, CA
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Marie Classon
Genentech, South San Francisco, CA
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Jean-Philippe Stephan
Genentech, South San Francisco, CA
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Ira Mellman
Genentech, South San Francisco, CA
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  • ORCID record for Ira Mellman
  • For correspondence: mellman.ira@gene.com
DOI: 10.1083/jcb.201705031 | Published December 11, 2017
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Abstract

Epithelial-to-mesenchymal transition is implicated in metastasis, where carcinoma cells lose sessile epithelial traits and acquire mesenchymal migratory potential. The mesenchymal state is also associated with cancer stem cells and resistance to chemotherapy. It might therefore be therapeutically beneficial to promote epithelial identity in cancer. Because large-scale cell identity shifts are often orchestrated on an epigenetic level, we screened for candidate epigenetic factors and identified the histone methyltransferase SUV420H2 (KMT5C) as favoring the mesenchymal identity in pancreatic cancer cell lines. Through its repressive mark H4K20me3, SUV420H2 silences several key drivers of the epithelial state. Its knockdown elicited mesenchymal-to-epithelial transition on a molecular and functional level, and cells displayed decreased stemness and increased drug sensitivity. An analysis of human pancreatic cancer biopsies was concordant with these findings, because high levels of SUV420H2 correlated with a loss of epithelial characteristics in progressively invasive cancer. Together, these data indicate that SUV420H2 is an upstream epigenetic regulator of epithelial/mesenchymal state control.

  • Submitted: 4 May 2017
  • Revision received 13 October 2017
  • Accepted: 13 November 2017
Creative Commons logoCreative Commons logohttp://www.rupress.org/terms/https://creativecommons.org/licenses/by-nc-sa/4.0/

This article is distributed under the terms of an Attribution–Noncommercial–Share Alike–No Mirror Sites license for the first six months after the publication date (see http://www.rupress.org/terms/). After six months it is available under a Creative Commons License (Attribution–Noncommercial–Share Alike 4.0 International license, as described at https://creativecommons.org/licenses/by-nc-sa/4.0/).

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© 2018 Viotti et al. http://www.rupress.org/terms/https://creativecommons.org/licenses/by-nc-sa/4.0/This article is distributed under the terms of an Attribution–Noncommercial–Share Alike–No Mirror Sites license for the first six months after the publication date (see http://www.rupress.org/terms/). After six months it is available under a Creative Commons License (Attribution–Noncommercial–Share Alike 4.0 International license, as described at https://creativecommons.org/licenses/by-nc-sa/4.0/).

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SUV420H2 is an epigenetic regulator of epithelial/mesenchymal states in pancreatic cancer
Manuel Viotti, Catherine Wilson, Mark McCleland, Hartmut Koeppen, Benjamin Haley, Suchit Jhunjhunwala, Christiaan Klijn, Zora Modrusan, David Arnott, Marie Classon, Jean-Philippe Stephan, Ira Mellman
J Cell Biol Dec 2017, jcb.201705031; DOI: 10.1083/jcb.201705031

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The Journal of Cell Biology: 217 (4)

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April 2, 2018
Volume 217, No. 4

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