c-Ret regulates cholinergic properties in mouse sympathetic neurons: From mutant mice

K. Burau, I. Stenull, K. Huber, Hidemi Misawa, B. Berse, K. Unsicker, U. Ernsberger

Research output: Contribution to journalArticle

38 Citations (Scopus)

Abstract

The search for signalling systems regulating development of noradrenergic and cholinergic sympathetic neurons is a classical problem of developmental neuroscience. While an essential role of bone morphogenetic proteins for induction of noradrenergic properties is firmly established, factors involved in the development of cholinergic traits in vivo are still enigmatic. Previous studies have shown that the c-ret receptor and cholinergic properties are coexpressed in chick sympathetic neurons. Using in situ hybridization we show now that a loss-of-function mutation of the c-ret receptor in mice dramatically reduces numbers of cells positive for choline acetyltransferase (ChAT) and the vesicular acetylcholine transporter (VAChT) in stellate ganglia of homozygous newborn animals. The number of neurons positive for tyrosine hydroxylase (TH) mRNA, the rate-limiting enzyme of noradrenaline synthesis, is reduced to a smaller degree and expression levels are not detectably altered. Already at embryonic day 16 (E16), ChAT and VAChT-positive cells are affected by the c-ret mutation. At E14, however, ChAT and VAChT mRNAs are detectable at low levels and no difference is observed between wildtype and mutant mice. Our data suggest that c-ret signalling is necessary for the maturation of cholinergic sympathetic neurons but dispensable for de novo induction of ChAT and VAChT expression.

Original languageEnglish
Pages (from-to)353-362
Number of pages10
JournalEuropean Journal of Neuroscience
Volume20
Issue number2
DOIs
Publication statusPublished - 2004 Jul
Externally publishedYes

Fingerprint

Vesicular Acetylcholine Transport Proteins
Choline O-Acetyltransferase
Cholinergic Agents
Neurons
Cholinergic Neurons
Stellate Ganglion
Newborn Animals
Messenger RNA
Mutation
Bone Morphogenetic Proteins
Tyrosine 3-Monooxygenase
Cholinergic Receptors
Neurosciences
In Situ Hybridization
Norepinephrine
Cell Count
Enzymes

Keywords

  • Choline acetyltransferase
  • Development
  • Ret
  • Vesicular acetylcholine transporter

ASJC Scopus subject areas

  • Neuroscience(all)

Cite this

c-Ret regulates cholinergic properties in mouse sympathetic neurons : From mutant mice. / Burau, K.; Stenull, I.; Huber, K.; Misawa, Hidemi; Berse, B.; Unsicker, K.; Ernsberger, U.

In: European Journal of Neuroscience, Vol. 20, No. 2, 07.2004, p. 353-362.

Research output: Contribution to journalArticle

Burau, K. ; Stenull, I. ; Huber, K. ; Misawa, Hidemi ; Berse, B. ; Unsicker, K. ; Ernsberger, U. / c-Ret regulates cholinergic properties in mouse sympathetic neurons : From mutant mice. In: European Journal of Neuroscience. 2004 ; Vol. 20, No. 2. pp. 353-362.
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