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Melatonin promotes Schwann cell dedifferentiation and proliferation through the Ras/Raf/ERK and MAPK pathways, and glial cell‑derived neurotrophic factor expression

  • Authors:
    • Yee Lian Tiong
    • Khuen Yen Ng
    • Rhun Yian Koh
    • Gnanajothy Ponnudurai
    • Soi Moi Chye
  • View Affiliations / Copyright

    Affiliations: School of Postgraduate, International Medical University, Kuala Lumpur 57000, Malaysia, School of Pharmacy, Monash University Malaysia, Subang Jaya, Selangor 47500, Malaysia, School of Health Science, International Medical University, Kuala Lumpur 57000, Malaysia, School of Medicine, International Medical University, Kuala Lumpur 57000, Malaysia
    Copyright: © Tiong et al. This is an open access article distributed under the terms of Creative Commons Attribution License.
  • Article Number: 16
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    Published online on: August 26, 2020
       https://doi.org/10.3892/etm.2020.9143
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Abstract

Upon peripheral nerve injury (PNI), continuous proliferation of Schwann cells is critical for axon regeneration and tubular reconstruction for nerve regeneration. Melatonin is a hormone that is able to induce proliferation in various cell types. In the present study, the effects of melatonin on promoting Schwann cell proliferation and the molecular mechanism involved were investigated. The present results showed that melatonin enhanced the melatonin receptors (MT1 and MT2) expression in Schwann cells. Melatonin induced Schwann cell dedifferentiation into progenitor‑like Schwann cells, as observed by immunofluorescence staining, which showed Sox2 marker expression. In addition, melatonin enhanced Schwann cell proliferation, mediated by the upregulation of glial cell‑derived neurotropic factor (GNDF) and protein kinase C (PKC). Furthermore, the Ras/Raf/ERK and MAPK signaling pathways were also involved in Schwann cell dedifferentiation and proliferation. In conclusion, melatonin induced Schwann cell dedifferentiation and proliferation via the Ras/Raf/ERK, MAPK and GDNF/PKC pathways. The present results suggested that melatonin could be used to enhance the recovery of PNI.
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Copy and paste a formatted citation
Spandidos Publications style
Tiong Y, Ng K, Koh R, Ponnudurai G and Chye S: Melatonin promotes Schwann cell dedifferentiation and proliferation through the Ras/Raf/ERK and MAPK pathways, and glial cell‑derived neurotrophic factor expression. Exp Ther Med 20: 16, 2020.
APA
Tiong, Y., Ng, K., Koh, R., Ponnudurai, G., & Chye, S. (2020). Melatonin promotes Schwann cell dedifferentiation and proliferation through the Ras/Raf/ERK and MAPK pathways, and glial cell‑derived neurotrophic factor expression. Experimental and Therapeutic Medicine, 20, 16. https://doi.org/10.3892/etm.2020.9143
MLA
Tiong, Y., Ng, K., Koh, R., Ponnudurai, G., Chye, S."Melatonin promotes Schwann cell dedifferentiation and proliferation through the Ras/Raf/ERK and MAPK pathways, and glial cell‑derived neurotrophic factor expression". Experimental and Therapeutic Medicine 20.5 (2020): 16.
Chicago
Tiong, Y., Ng, K., Koh, R., Ponnudurai, G., Chye, S."Melatonin promotes Schwann cell dedifferentiation and proliferation through the Ras/Raf/ERK and MAPK pathways, and glial cell‑derived neurotrophic factor expression". Experimental and Therapeutic Medicine 20, no. 5 (2020): 16. https://doi.org/10.3892/etm.2020.9143
Copy and paste a formatted citation
x
Spandidos Publications style
Tiong Y, Ng K, Koh R, Ponnudurai G and Chye S: Melatonin promotes Schwann cell dedifferentiation and proliferation through the Ras/Raf/ERK and MAPK pathways, and glial cell‑derived neurotrophic factor expression. Exp Ther Med 20: 16, 2020.
APA
Tiong, Y., Ng, K., Koh, R., Ponnudurai, G., & Chye, S. (2020). Melatonin promotes Schwann cell dedifferentiation and proliferation through the Ras/Raf/ERK and MAPK pathways, and glial cell‑derived neurotrophic factor expression. Experimental and Therapeutic Medicine, 20, 16. https://doi.org/10.3892/etm.2020.9143
MLA
Tiong, Y., Ng, K., Koh, R., Ponnudurai, G., Chye, S."Melatonin promotes Schwann cell dedifferentiation and proliferation through the Ras/Raf/ERK and MAPK pathways, and glial cell‑derived neurotrophic factor expression". Experimental and Therapeutic Medicine 20.5 (2020): 16.
Chicago
Tiong, Y., Ng, K., Koh, R., Ponnudurai, G., Chye, S."Melatonin promotes Schwann cell dedifferentiation and proliferation through the Ras/Raf/ERK and MAPK pathways, and glial cell‑derived neurotrophic factor expression". Experimental and Therapeutic Medicine 20, no. 5 (2020): 16. https://doi.org/10.3892/etm.2020.9143
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