RGD Reference Report - P311 accelerates nerve regeneration of the axotomized facial nerve. - Rat Genome Database

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P311 accelerates nerve regeneration of the axotomized facial nerve.

Authors: Fujitani, M  Yamagishi, S  Che, YH  Hata, K  Kubo, T  Ino, H  Tohyama, M  Yamashita, T 
Citation: Fujitani M, etal., J Neurochem 2004 Nov;91(3):737-44.
RGD ID: 1540387
Pubmed: PMID:15485502   (View Abstract at PubMed)
DOI: DOI:10.1111/j.1471-4159.2004.02738.x   (Journal Full-text)

In axotomized adult neurons, a process of axonal regrowth and re-establishment of the neuronal function has to be activated. Developmentally regulated factors may be reactivated during neuronal regeneration. Here we identify a gene, previously designated P311, that is up-regulated in the axotomized facial motoneurons. Ectopically expressed P311 localizes in the cytoplasm and the nucleus. Over-expression of P311 induces p21(WAF1/Cip1) expression, leading PC12 cells to differentiate and to have neuron-like morphologies. Adenovirus-mediated P311 gene transfer promotes neurite outgrowth of postnatal dorsal root ganglion neurons and embryonic hippocampal neurons in vitro. This effect is abolished by the activation of Rho kinase. P311 also facilitates nerve regeneration following facial nerve injury in vivo. Our data provide evidence that genes involved in the differentiation process contribute to the regeneration of injured mature neurons, and may provide a practical molecular target.

Gene Ontology Annotations    Click to see Annotation Detail View

Biological Process
TermQualifierEvidenceWithReferenceNotesSourceOriginal Reference(s)
axon regeneration  IEP 1540387 RGD 
regulation of neuron differentiation  IMP 1540387 RGD 

Objects Annotated

Genes (Rattus norvegicus)
Nrep  (neuronal regeneration related protein)


Additional Information