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@ARTICLE{Vinopal:257692,
author = {Vinopal, Stanislav and Dupraz, Sebastian and Alfadil, Eissa
and Pietralla, Thorben and Bendre, Shweta and Stiess,
Michael and Falk, Sven and Camargo Ortega, Germán and
Maghelli, Nicola and Tolić, Iva M and Smejkal, Jiří and
Götz, Magdalena and Bradke, Frank},
title = {{C}entrosomal microtubule nucleation regulates radial
migration of projection neurons independently of
polarization in the developing brain.},
journal = {Neuron},
volume = {111},
number = {8},
issn = {0896-6273},
address = {New York, NY},
publisher = {Elsevier},
reportid = {DZNE-2023-00489},
pages = {1241 - 1263.e16},
year = {2023},
abstract = {Cortical projection neurons polarize and form an axon while
migrating radially. Even though these dynamic processes are
closely interwoven, they are regulated separately-the
neurons terminate their migration when reaching their
destination, the cortical plate, but continue to grow their
axons. Here, we show that in rodents, the centrosome
distinguishes these processes. Newly developed molecular
tools modulating centrosomal microtubule nucleation combined
with in vivo imaging uncovered that dysregulation of
centrosomal microtubule nucleation abrogated radial
migration without affecting axon formation. Tightly
regulated centrosomal microtubule nucleation was required
for periodic formation of the cytoplasmic dilation at the
leading process, which is essential for radial migration.
The microtubule nucleating factor γ-tubulin decreased at
neuronal centrosomes during the migratory phase. As distinct
microtubule networks drive neuronal polarization and radial
migration, this provides insight into how neuronal migratory
defects occur without largely affecting axonal tracts in
human developmental cortical dysgeneses, caused by mutations
in γ-tubulin.},
keywords = {Humans / Tubulin: metabolism / Neurons: physiology / Axons:
metabolism / Microtubules: metabolism / Centrosome / Brain:
metabolism / axon formation (Other) / centrosome (Other) /
microtubule (Other) / neuronal polarity (Other) / radial
migration (Other) / Tubulin (NLM Chemicals)},
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:36796357},
doi = {10.1016/j.neuron.2023.01.020},
url = {https://pub.dzne.de/record/257692},
}