Neuropeptide Y secretion from bovine chromaffin cells inhibits cyclic amp accumulation

Jialin C Zheng, Guimei Zhou, Terry D. Hexum

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

Neuropeptide Y (NPY) is secreted from bovine chromaffin cells in response to nicotinic receptor stimulation and may exhibit autocrine, paracrine or endocrine effects. Stimulation of bovine chromaffin cells with nicotine followed by the addition of forskolin (FSK) to the media results in a decrease in cyclic AMP accumulation compared to that seen in the absence of nicotine. Pertussis toxin (PTX) treatment or the addition of BIBP 3226, a selective NPY Y1 receptor antagonist prevents the inhibitory effect of nicotine. Fractionation of media obtained from cells stimulated with nicotine reveals an NPY-like substance that inhibits FSK-stimulated cAMP accumulation. Thus, an NPY-like substance can be secreted from bovine chromaffin cells in quantities sufficient to inhibit FSK-stimulated cAMP accumulation. These results suggest that NPY can act in an autocrine fashion to regulate chromaffin cell function. (C) 2000 Elsevier Science Inc.

Original languageEnglish (US)
Pages (from-to)617-625
Number of pages9
JournalLife Sciences
Volume67
Issue number6
DOIs
StatePublished - Jun 23 2000

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Chromaffin Cells
Neuropeptide Y
Nicotine
Colforsin
Pertussis Toxin
Nicotinic Receptors
Fractionation
Cyclic AMP

Keywords

  • Chromaffin cell
  • Neuropeptide Y
  • Nicotine
  • cAMP

ASJC Scopus subject areas

  • Biochemistry, Genetics and Molecular Biology(all)
  • Pharmacology, Toxicology and Pharmaceutics(all)

Cite this

Neuropeptide Y secretion from bovine chromaffin cells inhibits cyclic amp accumulation. / Zheng, Jialin C; Zhou, Guimei; Hexum, Terry D.

In: Life Sciences, Vol. 67, No. 6, 23.06.2000, p. 617-625.

Research output: Contribution to journalArticle

Zheng, Jialin C ; Zhou, Guimei ; Hexum, Terry D. / Neuropeptide Y secretion from bovine chromaffin cells inhibits cyclic amp accumulation. In: Life Sciences. 2000 ; Vol. 67, No. 6. pp. 617-625.
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