Cited by 27Developmental Biology and Gene RegulationNeurogenesis and neuroplasticity mechanismsAxon Guidance and Neuronal Signaling

Expression of delta-protocadherins in the spinal cord of the chicken embryo

Lin, Juntang, Wang, Congrui, Redies, Christoph·2012·Journal of Comparative Neurology

Abstract

Protocadherins constitute the largest subfamily of cadherin genes and are widely expressed in the nervous system. In the present study, we cloned eight members of the delta-protocadherin subfamily of cadherins (Pcdh1, Pcdh7, Pcdh8, Pcdh9, Pcdh10, Pcdh17, Pcdh18, and Pcdh19) from the chicken, and investigated their expression in the developing chicken spinal cord by in situ hybridization. Our results showed that each of the investigated delta-protocadherins exhibits a spatially restricted and temporally regulated pattern of expression. Pcdh1, Pcdh8, Pcdh18, and Pcdh19 are expressed in restricted dorsoventral domains of the neuroepithelial layer at early developmental stages (E2.5–E4). In the differentiating mantle layer, specific expression profiles are observed for all eight delta-protocadherins along the dorsoventral, mediolateral, and rostrocaudal dimensions at intermediate stages of development (E6–E10). Expression profiles are especially diverse in the motor column, where different pools of motor neurons exhibit signal for subsets of delta-protocadherins. In the dorsal root ganglion, subpopulations of cells express combinations of Pcdh1, Pcdh7, Pcdh8, Pcdh9, Pcdh10, and Pcdh17. The ventral boundary cap cells are positive for Pcdh7, Pcdh9, and Pcdh10. Signals for Pcdh8, Pcdh18, and Pcdh19 are found in the meninges. Surrounding tissues, such as the notochord, dermomyotome, and sclerotome also exhibit differential expression patterns. The highly regulated spatiotemporal expression patterns of delta-protocadherins suggest that they have multiple and diverse functions during development of the spinal cord and its surrounding tissues.

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Crossref · 10.1002/cne.22808

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Authors
Lin, J., Wang, C., & Redies, C.
Affiliations
Jena University Hospital (DE)
Corresponding author
Redies, Christoph
Venue
Journal of Comparative Neurology
Publisher
Wiley
Published
2012-03-06
Volume
520
Issue
7
Pages
1509-1531
ISSN
  • 0021-9967 (ISSN-L)
  • 1096-9861
OpenAlex
W2035208815
Cited by
27
References
99
Citations by year
2026: 1 · 2025: 2 · 2024: 1 · 2022: 4 · 2020: 3 · 2019: 1 · 2018: 2 · 2017: 1 · 2016: 2 · 2015: 1 · 2014: 3 · 2013: 3 · 2012: 3
FWCI
1.17
Type
journal article
Language
en
Open access
closed
Locations
  • The Journal of Comparative Neurology (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Developmental Biology and Gene Regulation
  • Life Sciences › Neuroscience › Developmental Neuroscience › Neurogenesis and neuroplasticity mechanisms
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Axon Guidance and Neuronal Signaling
Keywords
cadherins, chick embryo, spinal cord development, gene expression patterns, PCDH7, PCDH9, PCDH10, PCDH17, PCDH19, dorsal root ganglia, boundary cap cells, motor neurons, neuroepithelium, mantle layer, meninges, notochord, sclerotome, dermomyotome, spatiotemporal expression
MeSH terms
Animals, Chick Embryo, Spinal Cord, Cadherins, In Situ Hybridization, Neurogenesis

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