PMID: 9185328May 1, 1997Paper

Effect of exogenous cholecystokinin on the discharge of the gallbladder and the secretion of trypsin and chymotrypsin from the pancreas of the Atlantic salmon, Salmo salar L

Comparative Biochemistry and Physiology. Part C, Pharmacology, Toxicology & Endocrinology
S EinarssonC Talbot

Abstract

The humoral control of release of the proteases trypsin and chymotrypsin was investigated in the Atlantic salmon (Salmo salar L.). Intraperitoneal injection of a purified preparation of the peptide cholecystokinin (CCK) from pig into starved fish produces a dose-dependent release of both enzymes from the pyloric caeca/pancreas tissues which accumulate in the intestinal contents (digesta). It also induces release of the contents of the gallbladder. Isolated preparations of pyloric caeca/pancreas when incubated with CCK release trypsin and chymotrypsin. It is concluded that while a possible role for a neuronal component to the control and regulation of these enzymes cannot be ruled out, humoral control by a CCK-like peptide has been established. The fact that a mammalian-derived extract of CCK induces this response in fish indicates an early evolution and subsequent conservation of this control mechanism in the vertebrates.

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Citations

Jul 25, 2014·Fish Physiology and Biochemistry·Koji MurashitaTakeshi Yamamoto
Jun 24, 2008·Comparative Biochemistry and Physiology. Part A, Molecular & Integrative Physiology·Koji MurashitaToshiro Masumoto
Feb 13, 2007·Comparative Biochemistry and Physiology. Part A, Molecular & Integrative Physiology·Einar LilleengAshild Krogdahl
Nov 24, 2004·Comparative Biochemistry and Physiology. Part A, Molecular & Integrative Physiology·Randal K Buddington, Ashild Krogdahl
Dec 6, 2005·Comparative Biochemistry and Physiology. Part A, Molecular & Integrative Physiology·Hélène Volkoff
Apr 8, 2015·Journal of Animal Physiology and Animal Nutrition·H Volkoff
Aug 21, 2013·Comparative Biochemistry and Physiology. Part A, Molecular & Integrative Physiology·Robert TillnerBernd Ueberschär
Dec 15, 2010·Comparative Biochemistry and Physiology. Part A, Molecular & Integrative Physiology·Carlos R Rojas-GarcíaIvar Rønnestad
Jun 9, 2015·Comparative Biochemistry and Physiology. Part A, Molecular & Integrative Physiology·A B TinocoM J Delgado
Jan 12, 2011·Comparative Biochemistry and Physiology. Part A, Molecular & Integrative Physiology·A SavoieC Cahu
Oct 28, 2016·Comparative Biochemistry and Physiology. Part A, Molecular & Integrative Physiology·Carmen Navarro-GuillénManuel Yúfera
May 3, 2005·General and Comparative Endocrinology·H VolkoffR E Peter

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