Language-related cntnap2 gene is differentially expressed in sexually dimorphic song nuclei essential for vocal learning in songbirds

S. Carmen Panaitof, Brett S. Abrahams, Hongmei Dong, Daniel H. Geschwind, Stephanie A. White

Research output: Contribution to journalArticle

35 Citations (Scopus)

Abstract

Multiple studies, involving distinct clinical populations, implicate contactin associated protein-like 2 (CNTNAP2) in aspects of language development and performance. While CNTNAP2 is broadly distributed in developing rodent brain, it shows a striking gradient of frontal cortical enrichment in developing human brain, consistent with a role in patterning circuits that subserve higher cognition and language. To test the hypothesis that CNTNAP2 may be important for learned vocal communication in additional species, we employed in situ hybridization to characterize transcript distribution in the zebra finch, an experimentally tractable songbird for which the neural substrate of this behavior is well established. Consistent with an important role in learned vocalization, Cntnap2 was enriched or diminished in key song control nuclei relative to adjacent brain tissue. Importantly, this punctuated expression was observed in males, but not females, in accord with the sexual dimorphism of neural circuitry and vocal learning in this species. Ongoing functional work will provide important insights into the relationship between Cntnap2 and vocal communication in songbirds and thereby clarify mechanisms at play in disorders of human cognition and language.

Original languageEnglish (US)
Pages (from-to)1995-2018
Number of pages24
JournalJournal of Comparative Neurology
Volume518
Issue number11
DOIs
StatePublished - Jun 1 2010
Externally publishedYes

Fingerprint

Contactins
Songbirds
Music
Language
Learning
Brain
Cognition Disorders
Communication
Genes
Finches
Language Disorders
Language Development
Proteins
Equidae
Sex Characteristics
Cognition
In Situ Hybridization
Rodentia
Population

Keywords

  • Autism
  • Avian
  • Birdsong
  • CASPR2
  • Contactin
  • Neurexin
  • Zebra finch

ASJC Scopus subject areas

  • Neuroscience(all)

Cite this

Language-related cntnap2 gene is differentially expressed in sexually dimorphic song nuclei essential for vocal learning in songbirds. / Carmen Panaitof, S.; Abrahams, Brett S.; Dong, Hongmei; Geschwind, Daniel H.; White, Stephanie A.

In: Journal of Comparative Neurology, Vol. 518, No. 11, 01.06.2010, p. 1995-2018.

Research output: Contribution to journalArticle

Carmen Panaitof, S. ; Abrahams, Brett S. ; Dong, Hongmei ; Geschwind, Daniel H. ; White, Stephanie A. / Language-related cntnap2 gene is differentially expressed in sexually dimorphic song nuclei essential for vocal learning in songbirds. In: Journal of Comparative Neurology. 2010 ; Vol. 518, No. 11. pp. 1995-2018.
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