Journal Article

DZNE-2020-02324

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png PCAF-dependent epigenetic changes promote axonal regeneration in the central nervous system.

Puttagunta, R. (Corresponding author) ; Tedeschi, A.DZNE* ; Sória, M. G. ; Hervera, A. ; Lindner, R. ; Rathore, K. I. ; Gaub, P. ; Joshi, Y.DZNE* ; Nguyen, T. ; Schmandke, A. ; Laskowski, C. J.DZNE* ; Boutillier, A.-L. ; Bradke, F.DZNE* ; Di Giovanni, S.

2014
Nature Publishing Group UK [London]

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Please use a persistent id in citations: doi:10.1038/ncomms4527

Abstract: Axonal regenerative failure is a major cause of neurological impairment following central nervous system (CNS) but not peripheral nervous system (PNS) injury. Notably, PNS injury triggers a coordinated regenerative gene expression programme. However, the molecular link between retrograde signalling and the regulation of this gene expression programme that leads to the differential regenerative capacity remains elusive. Here we show through systematic epigenetic studies that the histone acetyltransferase p300/CBP-associated factor (PCAF) promotes acetylation of histone 3 Lys 9 at the promoters of established key regeneration-associated genes following a peripheral but not a central axonal injury. Furthermore, we find that extracellular signal-regulated kinase (ERK)-mediated retrograde signalling is required for PCAF-dependent regenerative gene reprogramming. Finally, PCAF is necessary for conditioning-dependent axonal regeneration and also singularly promotes regeneration after spinal cord injury. Thus, we find a specific epigenetic mechanism that regulates axonal regeneration of CNS axons, suggesting novel targets for clinical application.

Keyword(s): Acetylation (MeSH) ; Animals (MeSH) ; Axons: enzymology (MeSH) ; Central Nervous System: physiology (MeSH) ; Epigenesis, Genetic (MeSH) ; Female (MeSH) ; Histones: metabolism (MeSH) ; Humans (MeSH) ; Male (MeSH) ; Mice (MeSH) ; Mice, Knockout: genetics (MeSH) ; Nerve Regeneration (MeSH) ; Spinal Cord Injuries: enzymology (MeSH) ; Spinal Cord Injuries: genetics (MeSH) ; Spinal Cord Injuries: physiopathology (MeSH) ; p300-CBP Transcription Factors: genetics (MeSH) ; p300-CBP Transcription Factors: metabolism (MeSH) ; Histones ; p300-CBP Transcription Factors ; p300-CBP-associated factor

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Contributing Institute(s):

1. Axon Growth and Regeneration (AG Bradke)
2. AG N.N. (AG N.N. 3)

Research Program(s):

1. 341 - Molecular Signaling (POF3-341) (POF3-341)
2. 344 - Clinical and Health Care Research (POF3-344) (POF3-344)

Appears in the scientific report 2014

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