Investigation of the Mode of Action of Nematode Neuropeptides

The neuropeptide AF2 has a complex set of actions on the dorsal muscle strip of Ascaris suum, including a potentiation of the acetylcholine‐stimulated muscle contraction. Caffeine at 100 μm and 5 mm inhibited this potentiation, as did 100 μm theophylline in two out of six studies. The cyclic‐AMP‐pot...

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Veröffentlicht in:	Pesticide Science 1996-03, Vol.46 (3), p.263-266
Hauptverfasser:	Keating, Christopher D., Holden-Dye, Lindy M., Walker, Robert J.
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Sprache:	eng
Schlagworte:	Ascarissuum Biochemistry. Physiology. Immunology. Molecular biology Biological and medical sciences caffeine Fundamental and applied biological sciences. Psychology Invertebrates Nemathelminthia. Plathelmintha nematode neuropeptides Physiology. Development
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creator	Keating, Christopher D. Holden-Dye, Lindy M. Walker, Robert J.
description	The neuropeptide AF2 has a complex set of actions on the dorsal muscle strip of Ascaris suum, including a potentiation of the acetylcholine‐stimulated muscle contraction. Caffeine at 100 μm and 5 mm inhibited this potentiation, as did 100 μm theophylline in two out of six studies. The cyclic‐AMP‐potentiating compounds IBMX, dibutyryl cAMP and forskolin had no effect on the AF2‐induced potentiation of the acetylcholine‐stimulated muscle contraction. These preliminary data suggest that the potentiating action of AF2 is not mediated by a cAMP pathway.
doi_str_mv	10.1002/(SICI)1096-9063(199603)46:3<263::AID-PS346>3.0.CO;2-U
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subjects	Ascarissuum Biochemistry. Physiology. Immunology. Molecular biology Biological and medical sciences caffeine Fundamental and applied biological sciences. Psychology Invertebrates Nemathelminthia. Plathelmintha nematode neuropeptides Physiology. Development
title	Investigation of the Mode of Action of Nematode Neuropeptides
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