Nicotinic cholinergic intercellular communication

Implications for the developing auditory system

Research output: Contribution to journalArticle

15 Citations (Scopus)

Abstract

In this paper, research on the temporal and spatial distribution of cholinergic-related molecules in the lower auditory brainstem, with an emphasis on nicotinic acetylcholine receptors (nAChRs), is reviewed. The possible functions of acetylcholine (ACh) in driving selective auditory neurons before the onset of hearing, inducing glutamate receptor gene expression, synaptogenesis, differentiation, and cell survival are discussed. Experiments conducted in other neuronal and non-neuronal systems are drawn on extensively to discuss putative functions of ACh and nAChRs. Data from other systems may provide insight into the functions of ACh and nAChRs in auditory processing. The mismatch of presynaptic and postsynaptic markers and novel endogenous agonists of nAChRs are discussed in the context of non-classical interneuronal communication. The molecular mechanism that may underlie the many functions of ACh and its agonists is the regulation of intracellular calcium through nAChRs. The possible reorganization that may take place in the auditory system by the exposure to nicotine during critical developmental periods is also briefly considered.

Original languageEnglish (US)
Pages (from-to)74-88
Number of pages15
JournalHearing Research
Volume206
Issue number1-2
DOIs
StatePublished - Jan 1 2005

Fingerprint

Nicotinic Receptors
Cholinergic Agents
Acetylcholine
Cholinergic Agonists
Glutamate Receptors
Nicotine
Information Systems
Hearing
Brain Stem
Cell Survival
Communication
Calcium
Gene Expression
Neurons
Research

Keywords

  • Calcium permeability
  • Developing auditory brainstem
  • Gene expression
  • Language development
  • Nicotine
  • Nicotinic acetylcholine receptors

ASJC Scopus subject areas

  • Sensory Systems

Cite this

Nicotinic cholinergic intercellular communication : Implications for the developing auditory system. / Morley, Barbara J.

In: Hearing Research, Vol. 206, No. 1-2, 01.01.2005, p. 74-88.

Research output: Contribution to journalArticle

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