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Article: Effect of melatonin on salt gland and kidney function of gulls, Larus glaucescens

TitleEffect of melatonin on salt gland and kidney function of gulls, Larus glaucescens
Authors
Issue Date2007
PublisherAcademic Press. The Journal's web site is located at http://www.elsevier.com/locate/ygcen
Citation
General And Comparative Endocrinology, 2007, v. 151 n. 3, p. 300-307 How to Cite?
AbstractThis study examined effects of exogenous melatonin on osmoregulatory hormones and water and sodium secretion by salt glands and excretion via the kidneys of Glaucous-winged gulls (Larus glaucescens). Six saline acclimated gulls were injected with inulin and paraminohippuric acid and then infused with 500 mM NaCl to stimulate salt gland secretion. Each bird was given infusions of NaCl alone and NaCl plus melatonin. Experiments were made one week apart in a randomized order. A large blood sample (to measure osmoregulatory hormones) was taken before infusion, at secretion, and at the end of infusion. A small blood sample was taken at the midpoint of each of six 10 min sequential collections of salt gland secretion and urine. Melatonin tended to increase plasma sodium concentration, did decrease plasma osmolality, but did not affect potassium concentration. Melatonin did not affect salt gland secretion rate or concentration nor renal plasma flow or glomerular filtration. Melatonin increased urine flow rate, tended to increase urine sodium concentration, and did decrease urine potassium concentration. Combined renal and extrarenal sodium excretion was greater during MT treatment. During NaCl infusion, angiotensin II increased, aldosterone decreased, and arginine vasotocin remained unchanged. Melatonin did not affect these responses. These data suggest an osmoregulatory role for melatonin in birds with salt glands. © 2007 Elsevier Inc. All rights reserved.
Persistent Identifierhttp://hdl.handle.net/10722/171756
ISSN
2015 Impact Factor: 2.667
2015 SCImago Journal Rankings: 1.245
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorHughes, MRen_US
dc.contributor.authorKitamura, Nen_US
dc.contributor.authorBennett, DCen_US
dc.contributor.authorGray, DAen_US
dc.contributor.authorSharp, PJen_US
dc.contributor.authorPoon, AMSen_US
dc.date.accessioned2012-10-30T06:16:49Z-
dc.date.available2012-10-30T06:16:49Z-
dc.date.issued2007en_US
dc.identifier.citationGeneral And Comparative Endocrinology, 2007, v. 151 n. 3, p. 300-307en_US
dc.identifier.issn0016-6480en_US
dc.identifier.urihttp://hdl.handle.net/10722/171756-
dc.description.abstractThis study examined effects of exogenous melatonin on osmoregulatory hormones and water and sodium secretion by salt glands and excretion via the kidneys of Glaucous-winged gulls (Larus glaucescens). Six saline acclimated gulls were injected with inulin and paraminohippuric acid and then infused with 500 mM NaCl to stimulate salt gland secretion. Each bird was given infusions of NaCl alone and NaCl plus melatonin. Experiments were made one week apart in a randomized order. A large blood sample (to measure osmoregulatory hormones) was taken before infusion, at secretion, and at the end of infusion. A small blood sample was taken at the midpoint of each of six 10 min sequential collections of salt gland secretion and urine. Melatonin tended to increase plasma sodium concentration, did decrease plasma osmolality, but did not affect potassium concentration. Melatonin did not affect salt gland secretion rate or concentration nor renal plasma flow or glomerular filtration. Melatonin increased urine flow rate, tended to increase urine sodium concentration, and did decrease urine potassium concentration. Combined renal and extrarenal sodium excretion was greater during MT treatment. During NaCl infusion, angiotensin II increased, aldosterone decreased, and arginine vasotocin remained unchanged. Melatonin did not affect these responses. These data suggest an osmoregulatory role for melatonin in birds with salt glands. © 2007 Elsevier Inc. All rights reserved.en_US
dc.languageengen_US
dc.publisherAcademic Press. The Journal's web site is located at http://www.elsevier.com/locate/ygcenen_US
dc.relation.ispartofGeneral and Comparative Endocrinologyen_US
dc.subject.meshAldosterone - Blooden_US
dc.subject.meshAngiotensin Ii - Blooden_US
dc.subject.meshAnimalsen_US
dc.subject.meshBody Weight - Drug Effectsen_US
dc.subject.meshCharadriiformes - Blood - Physiologyen_US
dc.subject.meshInfusion Pumpsen_US
dc.subject.meshKidney - Drug Effects - Physiologyen_US
dc.subject.meshMelatonin - Administration & Dosage - Blood - Pharmacologyen_US
dc.subject.meshOsmolar Concentrationen_US
dc.subject.meshPlasma - Chemistryen_US
dc.subject.meshProlactin - Blooden_US
dc.subject.meshRenal Plasma Flow - Drug Effectsen_US
dc.subject.meshSalt Gland - Drug Effects - Physiology - Secretionen_US
dc.subject.meshVasotocin - Blooden_US
dc.titleEffect of melatonin on salt gland and kidney function of gulls, Larus glaucescensen_US
dc.typeArticleen_US
dc.identifier.emailPoon, AMS:amspoon@hkucc.hku.hken_US
dc.identifier.authorityPoon, AMS=rp00354en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.doi10.1016/j.ygcen.2007.01.017en_US
dc.identifier.pmid17350011-
dc.identifier.scopuseid_2-s2.0-34147144507en_US
dc.identifier.hkuros126569-
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-34147144507&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume151en_US
dc.identifier.issue3en_US
dc.identifier.spage300en_US
dc.identifier.epage307en_US
dc.identifier.isiWOS:000245956200008-
dc.publisher.placeUnited Statesen_US
dc.identifier.scopusauthoridHughes, MR=7402467508en_US
dc.identifier.scopusauthoridKitamura, N=16202786000en_US
dc.identifier.scopusauthoridBennett, DC=35119945400en_US
dc.identifier.scopusauthoridGray, DA=7403493921en_US
dc.identifier.scopusauthoridSharp, PJ=7402934924en_US
dc.identifier.scopusauthoridPoon, AMS=7103068868en_US

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