Regulatory Mechanism of Peripheral Nerve Myelination by Glutamate-Induced Signaling
Regulation of differentiation and proliferation of Schwann cells is an essential part of the regulation of peripheral nerve development, degeneration, and regeneration. ZNRF1, a ubiquitin ligase, is expressed in undifferentiated/repair Schwann cells, directs glutamine synthetase to proteasomal degradation, and thereby increase glutamate levels in Schwann cell environment. Glutamate elicits subcellular signaling in Schwann cells via mGluR2 to modulate Neuregulin-1/ErbB2/3 signaling and thereby promote undifferentiated phenotype of Schwann cell.
KeywordsZNRF1 ubiquitin ligase Oxidative stress Neuregulin-1 ErbB2/3 Phosphorylation Differentiation Subcellular signaling Glutamate mGluR2
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