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Inhibition of c-Jun...
Inhibition of c-Jun phosphorylation reduces axonal outgrowth of adult rat nodose ganglia and dorsal root ganglia sensory neurons.
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- Lindwall, Charlotta (författare)
- Lund University,Lunds universitet,Biologiska institutionen,Naturvetenskapliga fakulteten,Department of Biology,Faculty of Science
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- Dahlin, Lars (författare)
- Lund University,Lunds universitet,Handkirurgi, Malmö,Forskargrupper vid Lunds universitet,Hand Surgery, Malmö,Lund University Research Groups
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- Lundborg, Göran (författare)
- Lund University,Lunds universitet,Handkirurgi, Malmö,Forskargrupper vid Lunds universitet,Hand Surgery, Malmö,Lund University Research Groups
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- Kanje, Martin (författare)
- Lund University,Lunds universitet,Funktionell zoologi,Biologiska institutionen,Naturvetenskapliga fakulteten,Functional zoology,Department of Biology,Faculty of Science
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(creator_code:org_t)
- Elsevier BV, 2004
- 2004
- Engelska.
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Ingår i: Molecular and Cellular Neuroscience. - : Elsevier BV. - 1044-7431. ; 27:3, s. 267-279
- Relaterad länk:
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http://dx.doi.org/10...
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https://lup.lub.lu.s...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- The role of c-Jun activation for survival and regeneration of sensory neurons is unclear. Here we report that c-Jun N-terminal kinase (JNK)-mediated c-Jun activation is important for axonal outgrowth of sensory neurons in rat nodose and dorsal root ganglia (DRG). Peripheral severance of the vagus or the sciatic nerve resulted in a massive and rapid, but transient increase of the activated JNK (p-JNK) in neuronal nuclei, followed by c-Jun phosphorylation and activating transcription factor-3 (ATF3) induction. JNK inhibition by the selective JNK inhibitors SP600125 and (D)-JNKI1 did not affect neuronal survival in explanted or dissociated ganglia, but dramatically reduced axonal outgrowth, c-Jun activation, and ATF3 induction. Using retrograde labeling, we demonstrated that activated c-Jun (p-c-Jun) and ATF3 were associated with regenerative neurons. Taken together, our results suggest that JNK-mediated c-Jun activation is one of the first cell body reactions in response to nerve injury and that this activation and subsequent ATF3 induction are associated with axonal outgrowth.
Ämnesord
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Kirurgi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Surgery (hsv//eng)
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- ref (ämneskategori)
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