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  • Formamidine pesticides  (1)
  • autoradiography  (1)
  • 1
    ISSN: 1432-2072
    Keywords: Appetite stimulants ; Chlordimeform ; Amphetamine ; Cocaine ; Formamidine pesticides
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Low doses of the formamidine pesticide, chlordimeform (CDM) induce voracious daytime feeding in non-food deprived rats. Following CDM (10 mg/kg), food intakes were five times control intakes after 3 h and 1.1 times control intakes after 24 h. Other selected formamidines, such as the N-demethylated metabolite of CDM, and amitraz, increased 3-h food intake by two and five times control intake, respectively. Anorexia accompanied by excessive CNS stimulation was noted with higher doses of CDM (above 40 mg/kg) and other formamidines. This contrasts with the sedation usually observed with high doses of other structurally diverse appetite stimulants. In addition, hyperphagia was not observed with other CNS stimulants or local anesthetics such as amphetamine, cocaine, and holocaine. Thus the formamidines constitute a new class of appetite stimulants, which should prove to be useful agents for the study of feeding behavior.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
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  • 2
    Electronic Resource
    Electronic Resource
    New York, NY [u.a.] : Wiley-Blackwell
    Archives of Insect Biochemistry and Physiology 16 (1991), S. 107-122 
    ISSN: 0739-4462
    Keywords: [3H]quinuclidinyl benzilate ; radio-ligand binding ; autoradiography ; Chemistry ; Food Science, Agricultural, Medicinal and Pharmaceutical Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology
    Notes: The binding of [3H]quinuclidinyl benzilate to a cockroach brain preparation was investigated. Specific binding was saturable with a Kd of 0.25 nM and Scatchard analysis indicated a Bmax of 604 pmol/mg protein. Kinetic analysis indicated that the ligand is binding in a complex fashion while dissociation followed a simple kinetic process. The pharmacology of the site was typical of muscarinic receptors but the site cannot be characterized in terms of vertebrate muscarinic-receptor subtypes. Affinity of the receptor for agonists was modulated by Mg2+ and guanylylimidodiphosphate but not by pertussis toxin indicating the involvement of a pertussis-toxin insensitive G-protein. Carbamylcholine did not inhibit basal or forskolin-stimulated adenylate cyclase activity. The binding site was localized autoradiographically and was restricted to the median and lateral calyces of the brain.
    Additional Material: 5 Ill.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
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