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@ARTICLE{Hilton:163651,
author = {Hilton, Brett J and Husch, Andreas and Schaffran, Barbara
and Lin, Tien-Chen and Burnside, Emily R and Dupraz,
Sebastian and Schelski, Max and Kim, Jisoo and Müller,
Johannes Alexander and Schoch, Susanne and Imig, Cordelia
and Brose, Nils and Bradke, Frank},
title = {{A}n active vesicle priming machinery suppresses axon
regeneration upon adult {CNS} injury.},
journal = {Neuron},
volume = {110},
number = {1},
issn = {0896-6273},
address = {New York, NY},
publisher = {Elsevier},
reportid = {DZNE-2022-00397},
pages = {51 - 69.e7},
year = {2022},
note = {(CC BY-NC-ND)},
abstract = {Axons in the adult mammalian central nervous system fail to
regenerate after spinal cord injury. Neurons lose their
capacity to regenerate during development, but the
intracellular processes underlying this loss are unclear. We
found that critical components of the presynaptic active
zone prevent axon regeneration in adult mice. Transcriptomic
analysis combined with live-cell imaging revealed that adult
primary sensory neurons downregulate molecular constituents
of the synapse as they acquire the ability to rapidly grow
their axons. Pharmacogenetic reduction of neuronal
excitability stimulated axon regeneration after adult spinal
cord injury. Genetic gain- and loss-of-function experiments
uncovered that essential synaptic vesicle priming proteins
of the presynaptic active zone, but not
clostridial-toxin-sensitive VAMP-family SNARE proteins,
inhibit axon regeneration. Systemic administration of
Baclofen reduced voltage-dependent Ca2+ influx in primary
sensory neurons and promoted their regeneration after spinal
cord injury. These findings indicate that functional
presynaptic active zones constitute a major barrier to axon
regeneration.},
keywords = {Animals / Axons: metabolism / Central Nervous System:
metabolism / Mammals / Mice / Nerve Regeneration: physiology
/ Neurons: metabolism / Spinal Cord Injuries: metabolism /
Baclofen (Other) / Munc13 (Other) / RIM1/2 (Other) / active
zone (Other) / axon injury (Other) / axon regeneration
(Other) / spinal cord injury (Other)},
cin = {AG Bradke},
ddc = {610},
cid = {I:(DE-2719)1013002},
pnm = {351 - Brain Function (POF4-351)},
pid = {G:(DE-HGF)POF4-351},
typ = {PUB:(DE-HGF)16},
pubmed = {pmid:34706221},
pmc = {pmc:PMC8730507},
doi = {10.1016/j.neuron.2021.10.007},
url = {https://pub.dzne.de/record/163651},
}