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Targeted disruption of the trkB neurotrophin receptor gene results in nervous system lesions and neonatal death.
Cell 75, 113-122 (1993)
We have generated mice carrying a germline mutation in the tyrosine kinase catalytic domain of the trkB gene. This mutation eliminates expression of gp145trkB, a protein-tyrosine kinase that serves as the signaling receptor for two members of the nerve growth factor family of neurotrophins, brain-derived neurotrophic factor and neurotrophin-4. Mice homozygous for this mutation, trkBTK(-/-), develop to birth. However, these animals do not display feeding activity, and most die by P1. Neuroanatomical examination of trkBTK (-/-) mice revealed neuronal deficiencies in the central (facial motor nucleus and spinal cord) and peripheral (trigeminal and dorsal root ganglia) nervous systems. These findings illustrate the role of the gp145trkB protein-tyrosine kinase receptor in the ontogeny of the mammalian nervous system.
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Publication type
Article: Journal article
Document type
Scientific Article
Language
english
Publication Year
1993
HGF-reported in Year
0
ISSN (print) / ISBN
0092-8674
e-ISSN
1097-4172
Journal
Cell
Quellenangaben
Volume: 75,
Issue: 1,
Pages: 113-122
Publisher
Cell Press
Publishing Place
Cambridge, Mass.
Reviewing status
Peer reviewed
Institute(s)
Institute of Developmental Genetics (IDG)
PubMed ID
8402890
Erfassungsdatum
1993-12-31