Cited by 251Neurogenesis and neuroplasticity mechanismsParkinson's Disease Mechanisms and TreatmentsNuclear Receptors and Signaling

The foxa2 gene controls the birth and spontaneous degeneration of dopamine neurons in old age

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Kittappa, Raja, Chang, Wendy W, Awatramani, Rajeshwar B, McKay, Ronald D. G·2007·PLoS Biology

Abstract

Parkinson disease affects more than 1% of the population over 60 y old. The dominant models for Parkinson disease are based on the use of chemical toxins to kill dopamine neurons, but do not address the risk factors that normally increase with age. Forkhead transcription factors are critical regulators of survival and longevity. The forkhead transcription factor, foxa2, is specifically expressed in adult dopamine neurons and their precursors in the medial floor plate. Gain- and loss-of-function experiments show this gene, foxa2, is required to generate dopamine neurons during fetal development and from embryonic stem cells. Mice carrying only one copy of the foxa2 gene show abnormalities in motor behavior in old age and an associated progressive loss of dopamine neurons. Manipulating forkhead function may regulate both the birth of dopamine neurons and their spontaneous death, two major goals of regenerative medicine.

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Authors
Kittappa, R., Chang, W. W., Awatramani, R. B., & McKay, R. D. G.
Affiliations
  • National Institutes of Health (US)
  • Northwestern University (US)
Corresponding author
McKay, Ronald D. G
Venue
PLoS Biology
Published
2007-12-11
Volume
5
Issue
12
Pages
e325
ISSN
  • 1544-9173 (ISSN-L)
  • 1545-7885
OpenAlex
W2043269926
Cited by
251
References
53
Citations by year
2026: 3 · 2025: 6 · 2024: 6 · 2023: 10 · 2022: 9 · 2021: 7 · 2020: 16 · 2019: 6 · 2018: 8 · 2017: 11 · 2016: 18 · 2015: 11 · 2014: 20 · 2013: 19 · 2012: 21
FWCI
6.55
Type
journal article
Language
en
Open access
Locations
  • PLoS Biology (publishedVersion, public-domain)
  • PubMed Central (publishedVersion, public-domain)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion)
  • Figshare (submittedVersion, cc-by)
Funders
  • Howard Hughes Medical Institute
  • Michael J. Fox Foundation for Parkinson's Research
  • Dana Foundation
  • Parkinson's Foundation
  • National Institutes of Health
Topics
  • Life Sciences › Neuroscience › Developmental Neuroscience › Neurogenesis and neuroplasticity mechanisms
  • Health Sciences › Medicine › Neurology › Parkinson's Disease Mechanisms and Treatments
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Nuclear Receptors and Signaling
Keywords
FOXA2, Parkinson's disease, dopaminergic neurons, neurodegeneration, aging, forkhead transcription factor, neuronal precursors, embryonic stem cells, motor behavior, regenerative medicine
MeSH terms
Aging, Animals, Dopamine, Nerve Degeneration, Mice, Knockout, Gene Expression Regulation, Developmental, Parturition, Mice, Hepatocyte Nuclear Factor 3-beta, Hedgehog Proteins

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