Multiple receptor types for octopamine in the locust.
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چکیده
منابع مشابه
Octopamine Release from an Identified Neurone in the Locust
1. The release of octopamine from the extensor-tibiae muscle preparation of the locust in response to high K saline and DUMETi stimulation has been demonstrated. This release has been measured using a radioenzyme assay for octopamine. 2. Both forms of stimulated release have been shown to be calcium sensitive. 3. Three potential problems of studying the release of transmitters from neuromuscula...
متن کاملThe characterization of presynaptic octopamine receptors modulating octopamine release from an identified neurone in the locust
Octopamine release has been demonstrated from the dorsal unpaired median neurone to the locust extensor-tibiae muscle (DUMETi) in response to high-[K+] saline. Here, we provide evidence for the existence of presynaptic inhibitory autoreceptors for octopamine on the DUMETi terminals and report on their pharmacological profile. Octopamine release was initiated by exposure to high-[K+] saline (0. ...
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Octopamine (OA) is a prominent neuromodulator of invertebrate nervous systems, influencing multiple physiological processes. Among its many roles in insects are the initiation and maintenance of various rhythmic behaviors. Here, the neuromodulatory effects of OA on the components of the locust stomatogastric nervous system were studied, and one putative source of OA modulation of the system was...
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1. The actions of the phenyliminoimidazolidine derivatives, NC7 and NC5 on octopamine receptors in the extensor-tibiae neuromuscular preparation of the locust are described. 2. The derivatives activate both OCTOPAMINE, and OCTOPAMINE2 receptors in this preparation. They are not selective agonists of OCTOPAMINE2 receptors that activate adenylate cyclase. 3. The relative potencies of NC5 and NC7 ...
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ژورنال
عنوان ژورنال: The Journal of Physiology
سال: 1981
ISSN: 0022-3751
DOI: 10.1113/jphysiol.1981.sp013853