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The deubiquitinase USP9X suppresses pancreatic ductal adenocarcinoma
Pancreatic ductal adenocarcinoma (PDA) remains a lethal malignancy despite tremendous progress in its molecular characterization. Indeed, PDA tumors harbor four signature somatic mutations(1–4), and a plethora of lower frequency genetic events of uncertain significance(5). Here, we used Sleeping Bea...
Autores principales: | , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
2012
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3376394/ https://www.ncbi.nlm.nih.gov/pubmed/22699621 http://dx.doi.org/10.1038/nature11114 |
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author | Pérez-Mancera, Pedro A. Rust, Alistair G. van der Weyden, Louise Kristiansen, Glen Li, Allen Sarver, Aaron L. Silverstein, Kevin A. T. Grützmann, Robert Aust, Daniela Rümmele, Petra Knösel, Thomas Herd, Colin Stemple, Derek L. Kettleborough, Ross Brosnan, Jacqueline A. Li, Ang Morgan, Richard Knight, Spencer Yu, Jun Stegeman, Shane Collier, Lara S. ten Hoeve, Jelle J. de Ridder, Jeroen Klein, Alison P. Goggins, Michael Hruban, Ralph H. Chang, David K. Biankin, Andrew V. Grimmond, Sean M. Wessels, Lodewyk F. A. Wood, Stephen A. Iacobuzio-Donahue, Christine A. Pilarsky, Christian Largaespada, David A. Adams, David J. Tuveson, David A. |
author_facet | Pérez-Mancera, Pedro A. Rust, Alistair G. van der Weyden, Louise Kristiansen, Glen Li, Allen Sarver, Aaron L. Silverstein, Kevin A. T. Grützmann, Robert Aust, Daniela Rümmele, Petra Knösel, Thomas Herd, Colin Stemple, Derek L. Kettleborough, Ross Brosnan, Jacqueline A. Li, Ang Morgan, Richard Knight, Spencer Yu, Jun Stegeman, Shane Collier, Lara S. ten Hoeve, Jelle J. de Ridder, Jeroen Klein, Alison P. Goggins, Michael Hruban, Ralph H. Chang, David K. Biankin, Andrew V. Grimmond, Sean M. Wessels, Lodewyk F. A. Wood, Stephen A. Iacobuzio-Donahue, Christine A. Pilarsky, Christian Largaespada, David A. Adams, David J. Tuveson, David A. |
author_sort | Pérez-Mancera, Pedro A. |
collection | PubMed |
description | Pancreatic ductal adenocarcinoma (PDA) remains a lethal malignancy despite tremendous progress in its molecular characterization. Indeed, PDA tumors harbor four signature somatic mutations(1–4), and a plethora of lower frequency genetic events of uncertain significance(5). Here, we used Sleeping Beauty (SB) transposon-mediated insertional mutagenesis(6,7) in a mouse model of pancreatic ductal preneoplasia(8) to identify genes that cooperate with oncogenic Kras(G12D) to accelerate tumorigenesis and promote progression. Our screen revealed new candidates and confirmed the importance of many genes and pathways previously implicated in human PDA. Interestingly, the most commonly mutated gene was the X-linked deubiquitinase Usp9x, which was inactivated in over 50% of the tumors. Although prior work had attributed a pro-survival role to USP9X in human neoplasia(9), we found instead that loss of Usp9x enhances transformation and protects pancreatic cancer cells from anoikis. Clinically, low USP9X protein and mRNA expression in PDA correlates with poor survival following surgery, and USP9X levels are inversely associated with metastatic burden in advanced disease. Furthermore, chromatin modulation with trichostatin A or 5-aza-2′-deoxycytidine elevates USP9X expression in human PDA cell lines to suggest a clinical approach for certain patients. The conditional deletion of Usp9x cooperated with Kras(G12D) to rapidly accelerate pancreatic tumorigenesis in mice, validating their genetic interaction. Therefore, we propose USP9X as a major new tumor suppressor gene with prognostic and therapeutic relevance in PDA. |
format | Online Article Text |
id | pubmed-3376394 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2012 |
record_format | MEDLINE/PubMed |
spelling | pubmed-33763942012-12-14 The deubiquitinase USP9X suppresses pancreatic ductal adenocarcinoma Pérez-Mancera, Pedro A. Rust, Alistair G. van der Weyden, Louise Kristiansen, Glen Li, Allen Sarver, Aaron L. Silverstein, Kevin A. T. Grützmann, Robert Aust, Daniela Rümmele, Petra Knösel, Thomas Herd, Colin Stemple, Derek L. Kettleborough, Ross Brosnan, Jacqueline A. Li, Ang Morgan, Richard Knight, Spencer Yu, Jun Stegeman, Shane Collier, Lara S. ten Hoeve, Jelle J. de Ridder, Jeroen Klein, Alison P. Goggins, Michael Hruban, Ralph H. Chang, David K. Biankin, Andrew V. Grimmond, Sean M. Wessels, Lodewyk F. A. Wood, Stephen A. Iacobuzio-Donahue, Christine A. Pilarsky, Christian Largaespada, David A. Adams, David J. Tuveson, David A. Nature Article Pancreatic ductal adenocarcinoma (PDA) remains a lethal malignancy despite tremendous progress in its molecular characterization. Indeed, PDA tumors harbor four signature somatic mutations(1–4), and a plethora of lower frequency genetic events of uncertain significance(5). Here, we used Sleeping Beauty (SB) transposon-mediated insertional mutagenesis(6,7) in a mouse model of pancreatic ductal preneoplasia(8) to identify genes that cooperate with oncogenic Kras(G12D) to accelerate tumorigenesis and promote progression. Our screen revealed new candidates and confirmed the importance of many genes and pathways previously implicated in human PDA. Interestingly, the most commonly mutated gene was the X-linked deubiquitinase Usp9x, which was inactivated in over 50% of the tumors. Although prior work had attributed a pro-survival role to USP9X in human neoplasia(9), we found instead that loss of Usp9x enhances transformation and protects pancreatic cancer cells from anoikis. Clinically, low USP9X protein and mRNA expression in PDA correlates with poor survival following surgery, and USP9X levels are inversely associated with metastatic burden in advanced disease. Furthermore, chromatin modulation with trichostatin A or 5-aza-2′-deoxycytidine elevates USP9X expression in human PDA cell lines to suggest a clinical approach for certain patients. The conditional deletion of Usp9x cooperated with Kras(G12D) to rapidly accelerate pancreatic tumorigenesis in mice, validating their genetic interaction. Therefore, we propose USP9X as a major new tumor suppressor gene with prognostic and therapeutic relevance in PDA. 2012-04-29 /pmc/articles/PMC3376394/ /pubmed/22699621 http://dx.doi.org/10.1038/nature11114 Text en Users may view, print, copy, download and text and data- mine the content in such documents, for the purposes of academic research, subject always to the full Conditions of use: http://www.nature.com/authors/editorial_policies/license.html#terms |
spellingShingle | Article Pérez-Mancera, Pedro A. Rust, Alistair G. van der Weyden, Louise Kristiansen, Glen Li, Allen Sarver, Aaron L. Silverstein, Kevin A. T. Grützmann, Robert Aust, Daniela Rümmele, Petra Knösel, Thomas Herd, Colin Stemple, Derek L. Kettleborough, Ross Brosnan, Jacqueline A. Li, Ang Morgan, Richard Knight, Spencer Yu, Jun Stegeman, Shane Collier, Lara S. ten Hoeve, Jelle J. de Ridder, Jeroen Klein, Alison P. Goggins, Michael Hruban, Ralph H. Chang, David K. Biankin, Andrew V. Grimmond, Sean M. Wessels, Lodewyk F. A. Wood, Stephen A. Iacobuzio-Donahue, Christine A. Pilarsky, Christian Largaespada, David A. Adams, David J. Tuveson, David A. The deubiquitinase USP9X suppresses pancreatic ductal adenocarcinoma |
title | The deubiquitinase USP9X suppresses pancreatic ductal adenocarcinoma |
title_full | The deubiquitinase USP9X suppresses pancreatic ductal adenocarcinoma |
title_fullStr | The deubiquitinase USP9X suppresses pancreatic ductal adenocarcinoma |
title_full_unstemmed | The deubiquitinase USP9X suppresses pancreatic ductal adenocarcinoma |
title_short | The deubiquitinase USP9X suppresses pancreatic ductal adenocarcinoma |
title_sort | deubiquitinase usp9x suppresses pancreatic ductal adenocarcinoma |
topic | Article |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3376394/ https://www.ncbi.nlm.nih.gov/pubmed/22699621 http://dx.doi.org/10.1038/nature11114 |
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