The effect of dibutyryl cAMP on sodium uptake by isolated perfused gills of Callinectes sapidus

Hemolymph, collected from 25 and 100% seawater acclimated Callinectes sapidus and perfused through the isolated gill, causes increases in Na+ uptake in the gill. Similarly, dibutyryl cAMP causes increases in Na+ uptake when perfused through the gill. Since pericardial organ (PO) extracts dopamine an...

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Veröffentlicht in:	General and comparative endocrinology 1987-02, Vol.65 (2), p.300-305
Hauptverfasser:	LOHRMANN, D. M, KAMEMOTO, F. I
Format:	Artikel
Sprache:	eng
Schlagworte:	AMP Animals Biological and medical sciences Biological Transport, Active - drug effects Brachyura - metabolism Bucladesine - pharmacology Callinectes sapidus Crustacea cyclic AMP Cyclic AMP - metabolism Freshwater Fundamental and applied biological sciences. Psychology gills Gills - drug effects Gills - metabolism hemolymph Hemolymph - metabolism Invertebrates Neurosecretory Systems - drug effects Neurosecretory Systems - metabolism Perfusion Physiology. Development sodium Sodium - metabolism sorption Water-Electrolyte Balance - drug effects
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Beschreibung
Zusammenfassung:	Hemolymph, collected from 25 and 100% seawater acclimated Callinectes sapidus and perfused through the isolated gill, causes increases in Na+ uptake in the gill. Similarly, dibutyryl cAMP causes increases in Na+ uptake when perfused through the gill. Since pericardial organ (PO) extracts dopamine and octopamine are known to increase cAMP levels in the perfused gill, it is suggested that these substances from the PO may be the hemolymph factors which increase Na+ uptake via the mediation of cAMP as second messenger.
ISSN:	0016-6480 1095-6840
DOI:	10.1016/0016-6480(87)90177-8