Cited by 354Neurotransmitter Receptor Influence on BehaviorRegulation of Appetite and ObesityParkinson's Disease Mechanisms and Treatments

Dopamine Production in the Caudate Putamen Restores Feeding in Dopamine-Deficient Mice

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Szczypka, Mark S, Kwok, Keith, Brot, Michelle D, Marck, Brett T, Matsumoto, Alvin M, Donahue, Brian A, Palmiter, Richard D·2001·Neuron

Abstract

Dopamine-deficient (DD) mice cannot synthesize dopamine (DA) in dopaminergic neurons due to selective inactivation of the tyrosine hydroxylase gene in those neurons. These mice become hypoactive and hypophagic and die of starvation by 4 weeks of age. We used gene therapy to ascertain where DA replacement in the brain restores feeding and other behaviors in DD mice. Restoration of DA production within the caudate putamen restores feeding on regular chow and nest-building behavior, whereas restoration of DA production in the nucleus accumbens restores exploratory behavior. Replacement of DA to either region restores preference for sucrose or a palatable diet without fully rescuing coordination or initiation of movement. These data suggest that a fundamental difference exists between feeding for sustenance and the ability to prefer rewarding substances.

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Crossref · 10.1016/s0896-6273(01)00319-1

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Authors
Szczypka, M. S., Kwok, K., Brot, M. D., Marck, B. T., Matsumoto, A. M., Donahue, B. A., & Palmiter, R. D.
Affiliations
  • Howard Hughes Medical Institute (US)
  • United States Department of Veterans Affairs (US)
Corresponding author
Palmiter, Richard D
Venue
Neuron
Publisher
Elsevier BV
Published
2001-05
Volume
30
Issue
3
Pages
819-828
ISSN
0896-6273 (ISSN-L)
OpenAlex
W2102590502
Cited by
354
References
57
Citations by year
2026: 6 · 2025: 10 · 2024: 6 · 2023: 10 · 2022: 12 · 2021: 18 · 2020: 15 · 2019: 13 · 2018: 17 · 2017: 15 · 2016: 23 · 2015: 17 · 2014: 12 · 2013: 14 · 2012: 26
FWCI
5.27
Type
journal article
Language
en
Open access
Locations
  • Neuron (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • National Institute of Diabetes and Digestive and Kidney Diseases (5 P30 DK35816-14, P30DK035816)
  • Eunice Kennedy Shriver National Institute of Child Health and Human Development (F32HD008121, HD-08121)
Topics
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neurotransmitter Receptor Influence on Behavior
  • Life Sciences › Neuroscience › Endocrine and Autonomic Systems › Regulation of Appetite and Obesity
  • Health Sciences › Medicine › Neurology › Parkinson's Disease Mechanisms and Treatments
Keywords
dopamine deficiency, caudate-putamen, nucleus accumbens, tyrosine hydroxylase, gene therapy, feeding behavior, hypophagia, nest building behavior, exploratory behavior, sucrose preference, reward, dopamine replacement therapy
MeSH terms
Adenoviridae, Animals, Dopamine, Feeding Behavior, Female, Food Preferences, Immunohistochemistry, Levodopa, Male, Mice, Inbred C57BL, Mice, Mutant Strains, Movement, Nesting Behavior, Nucleus Accumbens, Recombinant Proteins, Transduction, Genetic, Tyrosine 3-Monooxygenase, Dopamine Agents, Neostriatum, Dietary Sucrose, Mice

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