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dc.contributor.authorKondomerkos, D. J.en
dc.contributor.authorKalamidas, S. A.en
dc.contributor.authorKotoulas, O. B.en
dc.date.accessioned2015-11-24T19:36:38Z-
dc.date.available2015-11-24T19:36:38Z-
dc.identifier.issn1059-910X-
dc.identifier.urihttps://olympias.lib.uoi.gr/jspui/handle/123456789/23915-
dc.rightsDefault Licence-
dc.subjectAnimalsen
dc.subjectAnimals, Newbornen
dc.subjectAutophagy/*drug effectsen
dc.subjectGlucagon/*pharmacologyen
dc.subjectGlucosidases/metabolismen
dc.subjectGlycogen/*metabolismen
dc.subjectHeart/drug effects/physiologyen
dc.subjectHepatocytes/drug effects/metabolism/ultrastructureen
dc.subjectLiver/drug effects/*metabolism/ultrastructureen
dc.subjectMaltose/metabolismen
dc.subjectMicroscopy, Electronen
dc.subjectMyocardium/*metabolism/ultrastructureen
dc.subjectProtein Synthesis Inhibitors/*pharmacologyen
dc.subjectRatsen
dc.subjectTime Factorsen
dc.titleAn electron microscopic and biochemical study of the effects of glucagon on glycogen autophagy in the liver and heart of newborn ratsen
heal.typejournalArticle-
heal.type.enJournal articleen
heal.type.elΆρθρο Περιοδικούel
heal.identifier.primary10.1002/jemt.20000-
heal.identifier.secondaryhttp://www.ncbi.nlm.nih.gov/pubmed/14722905-
heal.identifier.secondaryhttp://onlinelibrary.wiley.com/store/10.1002/jemt.20000/asset/20000_ftp.pdf?v=1&t=h1ym2otu&s=baa2c067da9c06303add4a48b0b7fd11905f3150-
heal.languageen-
heal.accesscampus-
heal.recordProviderΠανεπιστήμιο Ιωαννίνων. Σχολή Επιστημών Υγείας. Τμήμα Ιατρικήςel
heal.publicationDate2004-
heal.abstractThe effects of glucagon on the ultrastructural appearance and acid glucosidase activities in the liver and heart of newborn rats were studied. Liver or heart glycogen-hydrolyzing activity of acid glucosidase increased 3 hours after birth and gradually decreased from 3 to 9 hours. Maltose-hydrolyzing activity of acid glucosidase also rose 3 hours after birth, maintained a plateau between 3 and 6 hours, and fell at 9 hours. The administration of glucagon increased autophagic activity in the hepatocytes at the age of 6 hours. Glycogen inside the autophagic vacuoles was decreased, apparently due to the increased glycogen degradation. Glycogen-hydrolyzing activity was elevated in both the liver and the heart. Maltose-hydrolyzing activity was elevated in the liver, but not in the heart. The results of this study suggest that the glycogen-hydrolyzing and maltose-hydrolyzing activities of acid glucosidase are due to different enzymes. Glucagon's effect on the glycogen-hydrolyzing acid glucosidase activity and autophagosomal morphology is similar in both the liver and the heart.en
heal.journalNameMicrosc Res Techen
heal.journalTypepeer-reviewed-
heal.fullTextAvailabilityTRUE-
Appears in Collections:Άρθρα σε επιστημονικά περιοδικά ( Ανοικτά) - ΙΑΤ

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