Cited by 31Neurogenesis and neuroplasticity mechanismsDevelopmental Biology and Gene RegulationNuclear Receptors and Signaling

Molecular marker differences relate to developmental position and subsets of mesodiencephalic dopaminergic neurons

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Smits, Simone M., von Oerthel, Lars, Hoekstra, Elisa J., Burbach, J. Peter H, Smidt, Marten P.·2013·PLoS ONE

Abstract

The development of mesodiencephalic dopaminergic (mdDA) neurons located in the substantia nigra compacta (SNc) and ventral tegmental area (VTA) follow a number of stages marked by distinct events. After preparation of the region by signals that provide induction and patterning, several transcription factors have been identified, which are involved in specifying the neuronal fate of these cells. The specific vulnerability of SNc neurons is thought to root in these specific developmental programs. The present study examines the positions of young postmitotic mdDA neurons to relate developmental position to mdDA subset specific markers. MdDA neurons were mapped relative to the neuromeric domains (prosomeres 1-3 (P1-3), midbrain, and hindbrain) as well as the longitudinal subdivisions (floor plate, basal plate, alar plate), as proposed by the prosomeric model. We found that postmitotic mdDA neurons are located mainly in the floorplate domain and very few in slightly more lateral domains. Moreover, mdDA neurons are present along a large proportion of the anterior/posterior axis extending from the midbrain to P3 in the diencephalon. The specific positions relate to some extent to the presence of specific subset markers as Ahd2. In the adult stage more of such subsets specific expressed genes are present and may represent a molecular map defining molecularly distinct groups of mdDA neurons.

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  • The boundaries of the dopamine primordium are defined by transcription factor expression: the caudal extent by the Otx2/Gbx2 boundary, the rostral extent by the En1/Dbx1 boundary, and the dorsal extent by the Lmx1a/Nkx6.1 boundary.

    “The caudal extent is defined by the Otx2/Gbx2 boundary coincident with the morphological mid-hindbrain boundary [74]. The rostral extent is defined by the En1/Dbx1 gene expression boundary which is located in the diencephalic region [75–78]. The dorsal extent is defined by the Lmx1a/Nkx6.1 gene expression boundary [71,79–81].”

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Authors
Smits, S. M., von Oerthel, L., Hoekstra, E. J., Burbach, J. P. H., & Smidt, M. P.
Affiliations
  • University Medical Center Utrecht (NL)
  • University of Amsterdam (NL)
Corresponding author
Smidt, Marten P.
Venue
PLoS ONE
Published
2013-10-07
Volume
8
Issue
10
Pages
e76037
ISSN
1932-6203 (ISSN-L)
OpenAlex
W1977004154
Cited by
31
References
38
Citations by year
2021: 5 · 2020: 4 · 2019: 5 · 2017: 8 · 2016: 1 · 2015: 2 · 2014: 6
FWCI
1.11
Type
journal article
Language
en
Open access
Locations
  • PLoS ONE (publishedVersion, cc-by)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • UvA-DARE (University of Amsterdam) (acceptedVersion, other-oa)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
  • Figshare (submittedVersion, cc-by)
  • Data Archiving and Networked Services (DANS) (submittedVersion, other-oa)
Funders
Nederlandse Organisatie voor Wetenschappelijk Onderzoek (903-42-075, 865.09.002)
Topics
  • Life Sciences › Neuroscience › Developmental Neuroscience › Neurogenesis and neuroplasticity mechanisms
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Developmental Biology and Gene Regulation
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Nuclear Receptors and Signaling
Keywords
substantia nigra pars compacta, ventral tegmental area, dopaminergic neuron development, prosomeric model, floor plate, neuronal fate specification, transcription factors, molecular markers, midbrain, diencephalon
MeSH terms
Animals, Substantia Nigra, Ventral Tegmental Area, Gene Expression Regulation, Developmental, Mice, Dopaminergic Neurons

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