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Figure 7 | BMC Neuroscience

Figure 7

From: Identification of the role of C/EBP in neurite regeneration following microarray analysis of a L. stagnalisCNS injury model

Figure 7

Schematic illustration of the potential mechanisms of C/EBP action in maintaining distal axon integrity following axotomy. C/EBP mRNA is expressed in both the soma and axon [34, 56]. In the soma, C/EBP functions as a transcription factor and results in the transcription of regenerative-associated genes, such as α-tubulin and GAP-43, via a cAMP/PKA/CREB dependent signalling pathway [56]. Axon injury also activates an ERK-dependent pathway that results in the phosphorylation of C/EBP and further activation of pro-regenerative genes [59]. In both proximal and distal axons, C/EBP mRNA is stabilized by DLK-1 following axotomy [34]. Local protein synthesis of C/EBP in the distal axon may be required for regeneration or to prevent degeneration of distal axons following injury.

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