octopamine


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oc·to·pa·mine

(ok-tō'pă-mēn),
A sympathomimetic amine; a false neurotransmitter produced by noradrenergic neurons in the presence of monoamine oxidase inhibitors.

octopamine

/oc·to·pam·ine/ (ok″to-pam´ēn) a sympathomimetic amine thought to result from inability of the diseased liver to metabolize tyrosine; it is called a false neurotransmitter, since it can be stored in presynaptic vesicles, replacing norepinephrine, but has little effect on postsynaptic receptors.
References in periodicals archive ?
Octopamine and 5-hydroxytryptamine enhance the phagocytic and nodule formation activities of cockroach (Periplaneta americana) haemocytes.
Bed Bug Patrol's technology blocks an adrenaline-like neurotransmitter called octopamine that is only found in insects," says Bill Carlson, CEO.
Coronary spasm and thrombosis in a bodybuilder using a nutritional supplement containing synephrine, octopamine, tyramine and caffeine.
Comparison of effects of octopamine and insecticidal essential oils on activity in the nerve cord, foregut, and dorsal unpaired median neurons of cockroaches.
Fruit flies containing a loss-of-function mutation in the gene encoding tyramine [beta]-hydroxylase are unable to synthesize octopamine (an invertebrate analog of vertebrate's noradrenaline) and have a diminished ability to develop rapid tolerance to alcohol (Scholz et al.
Octopamine, phenylathylamine, tyramine, and tryptamine are related to the classical monoamine transmitters mentioned above and are synthesized from the same dietary precursor building-block amino acids.
The elevation of plasma trace amine levels, including tyramine, octopamine, and synephrine in both migraine and cluster headache supports the hypothesis that disorders of biogenic amine metabolism may be a characteristic biochemical trait in primary headache sufferers.
Shrimp were given injections of serotonin (3mg/500[micro]l) or octopamine (7.
The trace amines, which include tyramine, beta-phenylethylamine (beta-PEA), tryptamine, and octopamine, continued to draw some attention.
Serotonin, octopamine, and the clinging behavior induced by the parasite Polymorphus paradoxus (Acanthocephala) in Gammarus lacrustis (Crustacea).