ArticleMolecules (Basel, Switzerland)2021
Dabrafenib Promotes Schwann Cell Differentiation by Inhibition of the MEK-ERK Pathway.
Article in Molecules (Basel, Switzerland), 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed, 9 citations in OpenAlex.
- Bioinformatics analysis combined with experimental validation reveals the novel mechanisms of multi-targets of dapagliflozin attenuating diabetic liver injury.Frontiers in endocrinology · 2025Article
- Roles of ERK signaling pathway in regulating myelination of the peripheral nervous system.Frontiers in molecular neuroscience · 2025Review
- Wnt 3a-Modified Scaffolds Improve Nerve Regeneration by Boosting Schwann Cell Function.ACS applied materials & interfaces · 2024Article
- Platelet-Rich Plasma Gel-Loaded Collagen/Chitosan Composite Film Accelerated Rat Sciatic Nerve Injury Repair.ACS omega · 2023Article
- Neuron-Schwann cell interactions in peripheral nervous system homeostasis, disease, and preclinical treatment.Frontiers in cellular neuroscience · 2023Review
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Authors and funding
5 authors at 2 institutions in 1 country.
Funding
Abstract
Schwann cell differentiation involves a dynamic interaction of signaling cascades. However, much remains to be elucidated regarding the function of signaling molecules that differ depending on the context in which the molecules are engaged. Here, we identified a small molecule, dabrafenib, which promotes Schwann cell differentiation in vitro and exploited this compound as a pharmacological tool to understand the molecular mechanisms regulating Schwann cell differentiation. The results indicated that dabrafenib inhibited ERK phosphorylation and enhanced ErbB2 autophosphorylation and Akt phosphorylation, and the effects of dabrafenib on ErbB2 and Akt phosphorylation were phenocopied by pharmacological inhibition of the MEK-ERK signaling pathway. However, the small molecule inhibitors of MEK and ERK had no effect on the expression of Oct6 and EGR2, which are key transcription factors that drive Schwann cell differentiation. In addition, pharmacological inhibition of phosphatidylinositol-3-kinase (PI3K) almost completely interfered with dabrafenib-induced Schwann cell differentiation. These results suggest that the ErbB2-PI3K-Akt axis is required for the induction of Schwann cell differentiation by dabrafenib in vitro. Although additional molecules targeted by dabrafenib remain to be identified, our data provides insights into the crosstalk that exists between the MEK-ERK signaling pathway and the PI3K-Akt axis in Schwann cell differentiation.
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