PACAP action in nervous system development, regeneration, and neuroblastoma cell proliferation

James A. Waschek, Emanuel Dicicco-Bloom, Vincent Lelievre, Xinrong Zhou, Zhongting Hu

Research output: Contribution to journalArticle

25 Citations (Scopus)

Abstract

Pituitary adenylate cyclase activating peptide (PACAP) may play a role in neurogenesis, nerve injury, and neural tumor growth. A PACAP ligand receptor system functionally coupled to cAMP production was found to be expressed in the embryonic mouse neural tube at the onset of neurogenesis. PACAP was found to inhibit DNA synthesis and antagonize sonic hedgehog signaling in cells isolated from the neural tube, suggesting that PACAP interacts with patterning factors to regulate neurogenesis and phenotypic specification in the developing CNS. PACAP and PACAP receptor (PAC1) mRNA levels were strongly increased and decreased, respectively, in motor neurons in adult rats after facial nerve axotomy, indicating that PACAP may also act in nerve regeneration. Experiments using a neuroblastoma tumor cell line model indicate that PACAP may execute growth-related functions by activating MAP kinase in addition to cAMP-dependent protein kinase A.

Original languageEnglish (US)
Pages (from-to)129-136
Number of pages8
JournalAnnals of the New York Academy of Sciences
Volume921
DOIs
StatePublished - Jan 1 2000

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Cell proliferation
Neurology
Neuroblastoma
Adenylyl Cyclases
Nervous System
Regeneration
Cell Proliferation
Peptides
Neurogenesis
Pituitary Adenylate Cyclase-Activating Polypeptide Receptors
Neural Tube
Cyclic AMP-Dependent Protein Kinases
Tumors
Axotomy
Nerve Regeneration
Hedgehogs
Facial Nerve
Motor Neurons
Growth
Tumor Cell Line

All Science Journal Classification (ASJC) codes

  • Neuroscience(all)
  • Biochemistry, Genetics and Molecular Biology(all)
  • History and Philosophy of Science

Cite this

Waschek, James A. ; Dicicco-Bloom, Emanuel ; Lelievre, Vincent ; Zhou, Xinrong ; Hu, Zhongting. / PACAP action in nervous system development, regeneration, and neuroblastoma cell proliferation. In: Annals of the New York Academy of Sciences. 2000 ; Vol. 921. pp. 129-136.
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PACAP action in nervous system development, regeneration, and neuroblastoma cell proliferation. / Waschek, James A.; Dicicco-Bloom, Emanuel; Lelievre, Vincent; Zhou, Xinrong; Hu, Zhongting.

In: Annals of the New York Academy of Sciences, Vol. 921, 01.01.2000, p. 129-136.

Research output: Contribution to journalArticle

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