Cited by 129Virus-based gene therapy researchParkinson's Disease Mechanisms and TreatmentsNeurotransmitter Receptor Influence on Behavior

Viral Gene Delivery Selectively Restores Feeding and Prevents Lethality of Dopamine-Deficient Mice

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Szczypka, Mark S, Mandel, Ronald J, Donahue, Brian A, Snyder, Richard O, Leff, Stuart E, Palmiter, Richard D·1999·Neuron

Abstract

Dopamine-deficient mice (DA-/- ), lacking tyrosine hydroxylase (TH) in dopaminergic neurons, become hypoactive and aphagic and die by 4 weeks of age. They are rescued by daily treatment with L-3,4-dihydroxyphenylalanine (L-DOPA); each dose restores dopamine (DA) and feeding for less than 24 hr. Recombinant adeno-associated viruses expressing human TH or GTP cyclohydrolase 1 (GTPCH1) were injected into the striatum of DA-/- mice. Bilateral coinjection of both viruses restored feeding behavior for several months. However, locomotor activity and coordination were partially improved. A virus expressing only TH was less effective, and one expressing GTPCH1 alone was ineffective. TH immunoreactivity and DA were detected in the ventral striatum and adjacent posterior regions of rescued mice, suggesting that these regions mediate a critical DA-dependent aspect of feeding behavior.

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Crossref · 10.1016/s0896-6273(00)80688-1

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Authors
Szczypka, M. S., Mandel, R. J., Donahue, B. A., Snyder, R. O., Leff, S. E., & Palmiter, R. D.
Affiliations
Howard Hughes Medical Institute (US)
Corresponding author
Palmiter, Richard D
Venue
Neuron
Publisher
Elsevier BV
Published
1999-01
Volume
22
Issue
1
Pages
167-178
ISSN
0896-6273 (ISSN-L)
OpenAlex
W2038432598
Cited by
129
References
60
Citations by year
2026: 3 · 2024: 2 · 2023: 1 · 2021: 4 · 2020: 3 · 2019: 2 · 2018: 1 · 2017: 2 · 2016: 5 · 2015: 4 · 2014: 1 · 2013: 10 · 2012: 4
FWCI
7.92
Type
journal article
Language
en
Open access
Locations
  • Neuron (publishedVersion)
  • PubMed (publishedVersion)
Funders
Eunice Kennedy Shriver National Institute of Child Health and Human Development (HD 09172, F32HD008121, HD-08121-02)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Virus-based gene therapy research
  • Health Sciences › Medicine › Neurology › Parkinson's Disease Mechanisms and Treatments
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neurotransmitter Receptor Influence on Behavior
Keywords
dopamine deficiency, tyrosine hydroxylase, GTP cyclohydrolase I, viral gene delivery, adeno-associated virus, feeding behavior, lethality, dopaminergic neurons, ventral striatum, locomotor activity, L-DOPA
MeSH terms
Adenoviridae, Animals, Catecholamines, Dopamine, Feeding Behavior, Genetic Vectors, GTP Cyclohydrolase, Humans, Immunohistochemistry, Isoenzymes, Levodopa, Metabolic Diseases, Mice, Inbred Strains, Motor Activity, Recombination, Genetic, Stereotyped Behavior, Tissue Distribution, Tyrosine 3-Monooxygenase, Gene Transfer Techniques, Mice

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