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Related Experiment Videos

[Altered higher brain function in PACAP-knockout mice].

Norihito Shintani1, Hitoshi Hashimoto, Akemichi Baba

  • 1Laboratory of Molecular Neuropharmacology, Graduate School of Pharmaceutical Sciences, Osaka University, Suita, Japan. shintani@phs.osaka-u.ac.jp

Nihon Yakurigaku Zasshi. Folia Pharmacologica Japonica
|April 2, 2004
PubMed
Summary
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Pituitary adenylate cyclase-activating polypeptide (PACAP) is a neuropeptide with neurotransmitter and neurotrophic roles. Studies using PACAP-mutant mice reveal its critical functions in the central nervous system and peripheral organs.

Area of Science:

  • Neuroscience
  • Molecular Biology
  • Endocrinology

Context:

  • Pituitary adenylate cyclase-activating polypeptide (PACAP) is a crucial neuropeptide involved in various physiological processes.
  • Understanding the endogenous functions of PACAP is essential for comprehending its broader biological significance.

Purpose:

  • To review the physiological roles of PACAP, particularly in higher brain function.
  • To consolidate findings from studies utilizing PACAP-deficient mouse models.

Summary:

  • PACAP acts as a neurotransmitter, neuromodulator, and neurotrophic factor.
  • Mutant mice lacking functional PACAP genes exhibit distinct phenotypes, highlighting PACAP's importance.
  • These studies, alongside histological and pharmacological approaches, elucidate PACAP's roles in the central nervous system and peripheral organs.

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Impact:

  • Provides a comprehensive overview of PACAP's functions, especially in cognitive processes.
  • Highlights the utility of genetic models in dissecting neuropeptide functions.
  • Informs future research directions for PACAP-related therapeutics and understanding neurological disorders.