Effects of either forskolin, the 1,9-dideoxy derivative of forskolin, or 8-bromocyclic AMP on cyclic AMP and melatonin production in the Syrian hamster pineal gland in organ culture

Celsa Santana, Juan M. Guerrero, Russel J Reiter

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

The possible involvement of cyclic AMP in the regulation of melatonin production was investigated in cultured Syrian hamster pineal glands. Addition of forskolin, an adenylate cyclase activator, to the incubation medium caused marked increases in both cyclic AMP and melatonin levels in glands collected in the second half of the dark period 8-Bromocyclic AMP, an analogue of cyclic AMP, also increased melatonin production. The 1,9-dideoxy derivative of forskolin, which is unable to activate the cyclase, was ineffective in stimulating either cyclic AMP levels or melatonin production. These results support a primary role for cyclic AMP in the nocturnal increase of melatonin production in the Syrian hamster pineal gland.

Original languageEnglish (US)
Pages (from-to)338-342
Number of pages5
JournalNeuroscience Letters
Volume103
Issue number3
DOIs
StatePublished - Sep 11 1989

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Pineal Gland
Organ Culture Techniques
Mesocricetus
Colforsin
Melatonin
Adenosine Monophosphate
Cyclic AMP
Adenylyl Cyclases

Keywords

  • Cyclic adenosine monophosphate
  • Melatonin
  • Organ culture
  • Pineal gland
  • Syrian hamster

ASJC Scopus subject areas

  • Neuroscience(all)

Cite this

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title = "Effects of either forskolin, the 1,9-dideoxy derivative of forskolin, or 8-bromocyclic AMP on cyclic AMP and melatonin production in the Syrian hamster pineal gland in organ culture",
abstract = "The possible involvement of cyclic AMP in the regulation of melatonin production was investigated in cultured Syrian hamster pineal glands. Addition of forskolin, an adenylate cyclase activator, to the incubation medium caused marked increases in both cyclic AMP and melatonin levels in glands collected in the second half of the dark period 8-Bromocyclic AMP, an analogue of cyclic AMP, also increased melatonin production. The 1,9-dideoxy derivative of forskolin, which is unable to activate the cyclase, was ineffective in stimulating either cyclic AMP levels or melatonin production. These results support a primary role for cyclic AMP in the nocturnal increase of melatonin production in the Syrian hamster pineal gland.",
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T1 - Effects of either forskolin, the 1,9-dideoxy derivative of forskolin, or 8-bromocyclic AMP on cyclic AMP and melatonin production in the Syrian hamster pineal gland in organ culture

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AU - Guerrero, Juan M.

AU - Reiter, Russel J

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N2 - The possible involvement of cyclic AMP in the regulation of melatonin production was investigated in cultured Syrian hamster pineal glands. Addition of forskolin, an adenylate cyclase activator, to the incubation medium caused marked increases in both cyclic AMP and melatonin levels in glands collected in the second half of the dark period 8-Bromocyclic AMP, an analogue of cyclic AMP, also increased melatonin production. The 1,9-dideoxy derivative of forskolin, which is unable to activate the cyclase, was ineffective in stimulating either cyclic AMP levels or melatonin production. These results support a primary role for cyclic AMP in the nocturnal increase of melatonin production in the Syrian hamster pineal gland.

AB - The possible involvement of cyclic AMP in the regulation of melatonin production was investigated in cultured Syrian hamster pineal glands. Addition of forskolin, an adenylate cyclase activator, to the incubation medium caused marked increases in both cyclic AMP and melatonin levels in glands collected in the second half of the dark period 8-Bromocyclic AMP, an analogue of cyclic AMP, also increased melatonin production. The 1,9-dideoxy derivative of forskolin, which is unable to activate the cyclase, was ineffective in stimulating either cyclic AMP levels or melatonin production. These results support a primary role for cyclic AMP in the nocturnal increase of melatonin production in the Syrian hamster pineal gland.

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