GLUCOSE AND INSULIN EFFECT ON LIVER GLYCOGEN METABOLISM

Abstract

GLUCOSE AND INSULIN EFFECT ON GLYCOGEN METABOLISM IS STUDIED DURING PERFUSION OF ISOLATED LIVER OF NORMAL AND DIABETIC RATS, WITH SEMI- SYNTHETIC PERFUSION MEDIUM: THE RESULTS ARE AS FOLLOW: 1) GLUCOSE IS INDUCING GLYCOGEN SYNTHETASE ACTIVATION OF SMALL DURATION. THE ACTION OF INSULIN ON SYNTHETASE IS SEEN WHEN THE ACTIVITY OF SYNTHETASE HAS REACHED A MAXIMAL LIVER DUE TO THE PRESENCE OF GLUCOSE. 2) INSULIN PREVENTS NOT ONLY THE GLUCOSE RELEASE FROM THE ISOLATED PERFUSED RAT LIVER, BUT ALSO THE GLUCOSE UPTAKE. IN IN VIVO EXPERIMENTS IN THE LIVER OF NORMAL RATS A FAST SHORT LIVED ACTIVATION OF GLYCOGEN SYNTHETASE IS EVIDENCED BY INSULIN ALONE, WITHOUT ADDITION OF GLUCOSE.

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DOI
10.12681/eadd/0055
Handle URL
http://hdl.handle.net/10442/hedi/0055
ND
0055
Alternative title
ΕΠΙΔΡΑΣΗ ΤΗΣ ΓΛΥΚΟΖΗΣ ΚΑΙ ΤΗΣ ΙΝΣΟΥΛΙΝΗΣ ΣΤΟ ΜΕΤΑΒΟΛΙΣΜΟ ΤΟΥ ΓΛΥΚΟΓΟΝΟΥ ΤΟΥ ΗΠΑΤΟΣ
Author
Παναγιωτίδου, Βαρβάρα
Date
1986
Degree Grantor
National and Kapodistrian University of Athens
Committee members
ΣΕΚΕΡΗΣ ΚΩΝΣΤΑΝΤΙΝΟΣ,
Discipline
Natural Sciences
Biological Sciences
Keywords
Glucose; Glycogen metabolism; Glycogen phosphorylase; GLYCOGEN SYNTHETASE; Insulin; LIVER PERFUSION
Country
Greece
Language
Greek
Description
130 σ.
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