Vasoactive intestinal peptide stimulates N-acetyltransferase and hydroxyindole-O-methyltransferase activities and melatonin production in cultured rat but not in Syrian hamster pineal glands.

Vasoactive intestinal peptide stimulates N-acetyltransferase and hydroxyindole-O-methyltransferase activities and melatonin production in cultured rat but not in Syrian hamster pineal glands.