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Digitale Medien

Central cholinergic receptor supersensitivity after long-term atropine administration (1979)

Herman, Zbigniew S. ; Sŀominska-Żurek, Jadwiga

Springer

Psychopharmacology 64 (1979), S. 337-340

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Details

ISSN: 1432-2072

Schlagwort(e): Atropine ; Chronic treatment ; Supersensitive cholinergic receptors ; Rats ; Mice

Quelle: Springer Online Journal Archives 1860-2000

Thema: Medizin

Notizen: Abstract Rats were treated with a single dose of atropine (AT) at 5 mg/kg, or every day for 14 or 31 days with the same dose of AT, 3 h after the single dose and 24 h after the last dose of chronically administered AT, 10 μg of ACh was injected intracerebroventricularly, and two tests were used to examine the behavior of the animals. The tremorigenic effect of oxotremorine was also measured in mice treated with 10 mg/kg of AT for 1 month. It was shown that a single dose of AT antagonized ACh-induced behavior. The long-term treatment with AT enhanced the depressive behavior of ACh in rats and the tremorigenic effect of oxotremorine in mice. The results suggest that long-term blockade of central cholinergic receptors induces their hypersensitivity.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1007/BF00427521

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