Title : Interaction between pargyline, a monoamine oxidase inhibitor, and beta-adrenergic receptors in the rat pineal gland.

Pub. Date : 1982

PMID : 6287499






4 Functional Relationships(s)
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1 The hypothesis that pargyline, a monoamine oxidase inhibitor, may interact with pineal beta-adrenergic receptors to increase N-acetyltransferase (NAT) activity and, thereby, melatonin content was tested in intact and superior cervical ganglionectomized (SCGX) rats some of which were also treated with the tryptophan hydroxylase inhibitor para-chlorophenylalanine (PCPA). Pargyline N-acetyltransferase 1 Rattus norvegicus
2 Pargyline injection increased both NAT activity and melatonin content, an effect nullified by conjunct propranolol injection. Pargyline N-acetyltransferase 1 Rattus norvegicus
3 While pargyline injection also increased NAT activity in intact, PCPA-treated rats, the effects of this drug were most evident in SCGX, PCPA-treated rats. Pargyline N-acetyltransferase 1 Rattus norvegicus
4 We suggest that pargyline may be capable of interacting with pineal beta-adrenergic receptors to increase NAT activity in the absence of pineal norepinephrine (NE) and serotonin. Pargyline N-acetyltransferase 1 Rattus norvegicus