Merlin controls the repair capacity of Schwann cells after injury by regulating Hippo/YAP activity

Thomas Mindos, Xin peng Dun, Katherine North, Robin D.S. Doddrell, Alexander Schulz, Philip Edwards, James Russell, Bethany Gray, Sheridan L. Roberts, Aditya Shivane, Georgina Mortimer, Melissa Pirie, Nailing Zhang, Duojia Pan, Helen Morrison, David B. Parkinson

Research output: Contribution to journalArticle

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Abstract

Loss of the Merlin tumor suppressor and activation of the Hippo signaling pathway play major roles in the control of cell proliferation and tumorigenesis. We have identified completely novel roles for Merlin and the Hippo pathway effector Yes-associated protein (YAP) in the control of Schwann cell (SC) plasticity and peripheral nerve repair after injury. Injury to the peripheral nervous system (PNS) causes a dramatic shift in SC molecular phenotype and the generation of repaircompetent SCs, which direct functional repair. We find that loss of Merlin in these cells causes a catastrophic failure of axonal regeneration and remyelination in the PNS. This effect is mediated by activation of YAP expression in Merlin-null SCs, and loss of YAP restores axonal regrowth and functional repair. This work identifies new mechanisms that control the regenerative potential of SCs and gives new insight into understanding the correct control of functional nerve repair in the PNS.

Original languageEnglish (US)
Pages (from-to)495-510
Number of pages16
JournalJournal of Cell Biology
Volume216
Issue number2
DOIs
StatePublished - Jan 1 2017

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Neurofibromin 2
Schwann Cells
Peripheral Nervous System
Wounds and Injuries
Proteins
Peripheral Nerves
Regeneration
Carcinogenesis
Cell Proliferation
Phenotype
Neoplasms

ASJC Scopus subject areas

  • Cell Biology

Cite this

Mindos, T., Dun, X. P., North, K., Doddrell, R. D. S., Schulz, A., Edwards, P., ... Parkinson, D. B. (2017). Merlin controls the repair capacity of Schwann cells after injury by regulating Hippo/YAP activity. Journal of Cell Biology, 216(2), 495-510. https://doi.org/10.1083/jcb.201606052

Merlin controls the repair capacity of Schwann cells after injury by regulating Hippo/YAP activity. / Mindos, Thomas; Dun, Xin peng; North, Katherine; Doddrell, Robin D.S.; Schulz, Alexander; Edwards, Philip; Russell, James; Gray, Bethany; Roberts, Sheridan L.; Shivane, Aditya; Mortimer, Georgina; Pirie, Melissa; Zhang, Nailing; Pan, Duojia; Morrison, Helen; Parkinson, David B.

In: Journal of Cell Biology, Vol. 216, No. 2, 01.01.2017, p. 495-510.

Research output: Contribution to journalArticle

Mindos, T, Dun, XP, North, K, Doddrell, RDS, Schulz, A, Edwards, P, Russell, J, Gray, B, Roberts, SL, Shivane, A, Mortimer, G, Pirie, M, Zhang, N, Pan, D, Morrison, H & Parkinson, DB 2017, 'Merlin controls the repair capacity of Schwann cells after injury by regulating Hippo/YAP activity', Journal of Cell Biology, vol. 216, no. 2, pp. 495-510. https://doi.org/10.1083/jcb.201606052
Mindos, Thomas ; Dun, Xin peng ; North, Katherine ; Doddrell, Robin D.S. ; Schulz, Alexander ; Edwards, Philip ; Russell, James ; Gray, Bethany ; Roberts, Sheridan L. ; Shivane, Aditya ; Mortimer, Georgina ; Pirie, Melissa ; Zhang, Nailing ; Pan, Duojia ; Morrison, Helen ; Parkinson, David B. / Merlin controls the repair capacity of Schwann cells after injury by regulating Hippo/YAP activity. In: Journal of Cell Biology. 2017 ; Vol. 216, No. 2. pp. 495-510.
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