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Injury-induced CRMP4 expression in adult sensory neurons; a possible target gene for ciliary neurotrophic factor

  • So Young Jang
  • , Yoon Kyung Shin
  • , Junyang Jung
  • , Sang Hwa Lee
  • , Su Yeong Seo
  • , Duk Joon Suh
  • , Hwan Tae Park

Research output: Contribution to journalArticlepeer-review

15 Citations (Scopus)

Abstract

Neurotrophic cytokines, such as ciliary neurotrophic factor (CNTF) play an important role in the development and regeneration of the nervous system. In the present study, we screened gene expression induced by CNTF in adult dorsal root ganglion (DRG) neurons using the Illumina microarray. We found that the expression of both short and long forms of collapsin response-mediator protein 4 (CRMP4) was increased in cultured primary sensory neurons by CNTF. In addition, sciatic nerve injury induced the expression of CRMP4 mRNA and protein in DRG neurons. Finally, the increased CRMP4 protein was transported into peripheral axons following nerve injury. These findings indicate that CRMP4 may be a target gene for CNTF in the regenerative axon growth of DRG neurons after injury.

Original languageEnglish
Pages (from-to)37-42
Number of pages6
JournalNeuroscience Letters
Volume485
Issue number1
DOIs
Publication statusPublished - Nov 2010

Bibliographical note

Funding Information:
This research was supported by Mid-career Research Program and Science Research Center through NRF grant funded by the Ministry of Education, Science and Technology of Republic of Korea (2010-0000132, 2010-0001945).

Keywords

  • Ciliary neurotrophic factor
  • Collapsin response-mediator protein 4
  • Dorsal root ganglion
  • Sciatic nerve injury

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