Document Detail


The effect of fructose on fructose 2,6-bisphosphate level and fructose 6-phosphate, 2-kinase activity in the perfused rat liver.
MedLine Citation:
PMID:  8395275     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
In order to investigate the effect of fructose on the metabolic rates of liver glycolysis, changes in fructose 2,6-bisphosphate content and fructose 6-phosphate, 2-kinase (F6P2kinase) activity were examined using perfused rat liver. When the starved liver was perfused with 0.5 mM fructose, the fructose 2,6-bisphosphate level was 6.66 nmol/g liver, or the maximum. However, with further increases in the fructose concentration, increments in the fructose 2,6-bisphosphate level gradually decreased. F6P2kinase was inactive in the starved rat liver. By perfusion with the medium containing fructose or even without fructose, however, the enzyme was activated. The suppression of the increase in the fructose 2,6-bisphosphate level by perfusion at higher fructose concentrations was at least partly due to the inhibition of F6P2kinase by F1P.
Authors:
A Ogawa; T Nishi; E Furuya; F Watanabe; A Sakai; Y Kido; T Tsujinaka; T Mori
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Biochemistry and molecular biology international     Volume:  30     ISSN:  1039-9712     ISO Abbreviation:  Biochem. Mol. Biol. Int.     Publication Date:  1993 May 
Date Detail:
Created Date:  1993-09-27     Completed Date:  1993-09-27     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  9306673     Medline TA:  Biochem Mol Biol Int     Country:  AUSTRALIA    
Other Details:
Languages:  eng     Pagination:  83-90     Citation Subset:  IM    
Affiliation:
Second Department of Surgery, Osaka University Medical School, Japan.
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MeSH Terms
Descriptor/Qualifier:
Adenosine Triphosphate / metabolism
Animals
Chromatography, High Pressure Liquid
Fructose / pharmacology*
Fructosediphosphates / metabolism*
Fructosephosphates / metabolism
Liver / drug effects,  enzymology,  metabolism*
Male
Perfusion
Phosphofructokinase-2
Phosphotransferases / metabolism*
Rats
Rats, Sprague-Dawley
Chemical
Reg. No./Substance:
0/Fructosediphosphates; 0/Fructosephosphates; 15978-08-2/fructose-1-phosphate; 30237-26-4/Fructose; 56-65-5/Adenosine Triphosphate; 79082-92-1/fructose 2,6-diphosphate; EC 2.7.-/Phosphotransferases; EC 2.7.1.105/Phosphofructokinase-2

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