MOB1-YAP1/TAZ-NKX2.1 axis controls bronchioalveolar cell differentiation, adhesion and tumour formation

K. Otsubo, H. Goto, M. Nishio, K. Kawamura, S. Yanagi, W. Nishie, T. Sasaki, T. Maehama, H. Nishina, K. Mimori, T. Nakano, H. Shimizu, T. W. Mak, K. Nakao, Y. Nakanishi, A. Suzuki

Research output: Contribution to journalArticle

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Abstract

Mps One Binder Kinase Activator (MOB)1A/1B are core components of the Hippo pathway. These proteins, which coactivate LArge Tumour Suppressor homologue kinases, are also tumour suppressors. To investigate MOB1A/B's roles in normal physiology and lung cancer, we generated doxycycline (Dox)-inducible, bronchioalveolar epithelium-specific, null mutations of MOB1A/B in mice (SPC-rtTA/(tetO) 7-Cre/Mob1a flox/flox/Mob1b-/- termed luMob1DKO mice). Most mutants (70%) receiving Dox in utero (luMob1DKO (E6.5-18.5) mice) died of hypoxia within 1 h post-birth. Their alveolar epithelial cells showed increased proliferation, impaired YAP1/TAZ-dependent differentiation and decreased surfactant protein production, all features characteristic of human respiratory distress syndrome. Intriguingly, mutant mice that received Dox postnatally (luMob1DKO (P21-41) mice) did not develop spontaneous lung adenocarcinomas, and urethane treatment-induced lung tumour formation was decreased (rather than increased). Lungs of luMob1DKO (P21-41) mice exhibited increased detachment of bronchiolar epithelial cells and decreased numbers of the bronchioalveolar stem cells thought to initiate lung adenocarcinomas. YAP1/TAZ-NKX2.1-dependent expression of collagen XVII, a key hemidesmosome component, was also reduced. Thus, a MOB1-YAP1/TAZ-NKX2.1 axis is essential for normal lung homeostasis and expression of the collagen XVII protein necessary for alveolar stem cell maintenance in the lung niche.

Original languageEnglish
Pages (from-to)4201-4211
Number of pages11
JournalOncogene
Volume36
Issue number29
DOIs
Publication statusPublished - Jul 20 2017

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Cell Adhesion
Cell Differentiation
Doxycycline
Alveolar Epithelial Cells
Neoplasms
Lung
Phosphotransferases
Stem Cells
Hemidesmosomes
Proteins
Urethane
Surface-Active Agents
Lung Neoplasms
Homeostasis
Epithelium
Cell Count
Epithelial Cells
Maintenance
Parturition
Mutation

All Science Journal Classification (ASJC) codes

  • Molecular Biology
  • Genetics
  • Cancer Research

Cite this

Otsubo, K., Goto, H., Nishio, M., Kawamura, K., Yanagi, S., Nishie, W., ... Suzuki, A. (2017). MOB1-YAP1/TAZ-NKX2.1 axis controls bronchioalveolar cell differentiation, adhesion and tumour formation. Oncogene, 36(29), 4201-4211. https://doi.org/10.1038/onc.2017.58

MOB1-YAP1/TAZ-NKX2.1 axis controls bronchioalveolar cell differentiation, adhesion and tumour formation. / Otsubo, K.; Goto, H.; Nishio, M.; Kawamura, K.; Yanagi, S.; Nishie, W.; Sasaki, T.; Maehama, T.; Nishina, H.; Mimori, K.; Nakano, T.; Shimizu, H.; Mak, T. W.; Nakao, K.; Nakanishi, Y.; Suzuki, A.

In: Oncogene, Vol. 36, No. 29, 20.07.2017, p. 4201-4211.

Research output: Contribution to journalArticle

Otsubo, K, Goto, H, Nishio, M, Kawamura, K, Yanagi, S, Nishie, W, Sasaki, T, Maehama, T, Nishina, H, Mimori, K, Nakano, T, Shimizu, H, Mak, TW, Nakao, K, Nakanishi, Y & Suzuki, A 2017, 'MOB1-YAP1/TAZ-NKX2.1 axis controls bronchioalveolar cell differentiation, adhesion and tumour formation', Oncogene, vol. 36, no. 29, pp. 4201-4211. https://doi.org/10.1038/onc.2017.58
Otsubo K, Goto H, Nishio M, Kawamura K, Yanagi S, Nishie W et al. MOB1-YAP1/TAZ-NKX2.1 axis controls bronchioalveolar cell differentiation, adhesion and tumour formation. Oncogene. 2017 Jul 20;36(29):4201-4211. https://doi.org/10.1038/onc.2017.58
Otsubo, K. ; Goto, H. ; Nishio, M. ; Kawamura, K. ; Yanagi, S. ; Nishie, W. ; Sasaki, T. ; Maehama, T. ; Nishina, H. ; Mimori, K. ; Nakano, T. ; Shimizu, H. ; Mak, T. W. ; Nakao, K. ; Nakanishi, Y. ; Suzuki, A. / MOB1-YAP1/TAZ-NKX2.1 axis controls bronchioalveolar cell differentiation, adhesion and tumour formation. In: Oncogene. 2017 ; Vol. 36, No. 29. pp. 4201-4211.
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