Possible function of GDNF and Schwann cells in wound healing of periodontal tissue.
glial cell line-derived neurotrophic factor
osteoblasts
periodontal ligament
schwann cell
Journal
Journal of periodontal research
ISSN: 1600-0765
Titre abrégé: J Periodontal Res
Pays: United States
ID NLM: 0055107
Informations de publication
Date de publication:
Dec 2020
Dec 2020
Historique:
received:
02
09
2019
revised:
07
05
2020
accepted:
16
05
2020
pubmed:
21
6
2020
medline:
20
1
2021
entrez:
21
6
2020
Statut:
ppublish
Résumé
The purpose of this study was to evaluate the function of Schwann cells in wound healing of periodontal tissue. In our previous study, glial cell line-derived neurotrophic factor (GDNF) promoted the migration of human periodontal ligament (PDL) cells and that GDNF expression increased in wounded periodontal tissue. GDNF reportedly induces the migration of Schwann cell precursors. Schwann cells play a crucial role in the regeneration of peripheral tissues, including bone tissue. However, the role of Schwann cells on periodontal tissue regeneration remains unclear. A transwell assay and a WST-1 (water-soluble tetrazolium compound-1) proliferation assay were used to determine whether GDNF promotes the migration and proliferation of Schwann cells, respectively. Quantitative RT-PCR and Alizarin Red S staining were performed to examine the effect of these cells on the differentiation of human preosteoblast (Saos2 cells) using conditioned medium from YST-1 (YST-1-CM). Western blotting analysis was performed to determine whether YST-1-CM activates ERK signaling pathway in Saos2 cells. The expression of Schwann cell markers, S100 calcium-binding protein B (S100-B) and growth associated protein 43 (GAP-43), was determined in normal and wounded periodontal tissue by immunofluorescent staining. Glial cell line-derived neurotrophic factor promoted the migration of YST-1 cells but did not affect the proliferation of YST-1 cells. Saos2 cells cultured with YST-1-CM increased the expression of osteoblastic markers and mineralization. YST-1-CM also induced phosphorylation of ERK1/2 in Saos2 cells. The number of S100-B-immunoreactive cells which also expressed GAP-43 was increased in rat wounded periodontal tissue during healing process. The accumulation of Schwann cells in wounded periodontal tissue suggests that they play a significant role in wound healing of this tissue, especially alveolar bone tissue.
Sections du résumé
OBJECTIVE
OBJECTIVE
The purpose of this study was to evaluate the function of Schwann cells in wound healing of periodontal tissue.
BACKGROUND
BACKGROUND
In our previous study, glial cell line-derived neurotrophic factor (GDNF) promoted the migration of human periodontal ligament (PDL) cells and that GDNF expression increased in wounded periodontal tissue. GDNF reportedly induces the migration of Schwann cell precursors. Schwann cells play a crucial role in the regeneration of peripheral tissues, including bone tissue. However, the role of Schwann cells on periodontal tissue regeneration remains unclear.
METHODS
METHODS
A transwell assay and a WST-1 (water-soluble tetrazolium compound-1) proliferation assay were used to determine whether GDNF promotes the migration and proliferation of Schwann cells, respectively. Quantitative RT-PCR and Alizarin Red S staining were performed to examine the effect of these cells on the differentiation of human preosteoblast (Saos2 cells) using conditioned medium from YST-1 (YST-1-CM). Western blotting analysis was performed to determine whether YST-1-CM activates ERK signaling pathway in Saos2 cells. The expression of Schwann cell markers, S100 calcium-binding protein B (S100-B) and growth associated protein 43 (GAP-43), was determined in normal and wounded periodontal tissue by immunofluorescent staining.
RESULTS
RESULTS
Glial cell line-derived neurotrophic factor promoted the migration of YST-1 cells but did not affect the proliferation of YST-1 cells. Saos2 cells cultured with YST-1-CM increased the expression of osteoblastic markers and mineralization. YST-1-CM also induced phosphorylation of ERK1/2 in Saos2 cells. The number of S100-B-immunoreactive cells which also expressed GAP-43 was increased in rat wounded periodontal tissue during healing process.
CONCLUSION
CONCLUSIONS
The accumulation of Schwann cells in wounded periodontal tissue suggests that they play a significant role in wound healing of this tissue, especially alveolar bone tissue.
Substances chimiques
Glial Cell Line-Derived Neurotrophic Factor
0
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
830-839Subventions
Organisme : Grants-in-Aid for Scientific Research
ID : JP17H01598
Organisme : Grants-in-Aid for Scientific Research
ID : JP17H04385
Organisme : Grants-in-Aid for Scientific Research
ID : JP18K19651
Organisme : Grants-in-Aid for Scientific Research
ID : JP19K19001
Organisme : Grants-in-Aid for Scientific Research
ID : JP19K19002
Organisme : Grants-in-Aid for Scientific Research
ID : JP19K19031
Organisme : Japan Society for the Promotion of Science
Informations de copyright
© 2020 John Wiley & Sons A/S. Published by John Wiley & Sons Ltd.
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