Literature DB >> 7036619

Glycerophosphate acetyltransferase activity in perfused liver of normal and hyperlipemic rats: glucagon effect.

P Tessari, A Meneghel, A Avogaro, E Duner, S Del Prato, M Tuzzato, A Tiengo.   

Abstract

Mitochondrial glycerophosphate-acetyltransferase activity (GPAT) was determined in the isolated and perfused liver of diet-induced hyperlipemic rats, and was found to be significantly increased compared to normal rats, A positive correlation existed between hepatic triglyceride output and GPAT. Perfusion of 10(-5) M glucagon induced a significant reduction in GPAT levels. It is suggested that the lipid-lowering action of glucagon may be mediated also through an inhibition of GPAT activity.

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Year:  1981        PMID: 7036619     DOI: 10.1007/bf02042820

Source DB:  PubMed          Journal:  Acta Diabetol Lat        ISSN: 0001-5563


  29 in total

1.  The effect of chronic diabetes, induced by streptozotocin, on the activities of some enzymes of glycerolipid synthesis in rat liver.

Authors:  P H Whiting; M Bowley; R G Sturton; P H Pritchard; D N Brindley; J N Hawthorne
Journal:  Biochem J       Date:  1977-11-15       Impact factor: 3.857

2.  Regulation of palmitate metabolism by carnitine and glucagon in hepatocytes isolated from fasted and carbohydrate refed rats.

Authors:  R Z Christiansen
Journal:  Biochim Biophys Acta       Date:  1977-08-24

3.  Metabolic effects of glucagon in endogenous hypertriglyceridemia.

Authors:  R Nosadini; G Soldà; F de Biasi; A Tiengo
Journal:  Acta Diabetol Lat       Date:  1978 Sep-Dec

4.  An enzymatic explanation for dietary induced alterations in hepatic glycerolipid metabolism.

Authors:  R G Lamb; H J Fallon
Journal:  Biochim Biophys Acta       Date:  1974-04-26

5.  Lilly Lecture 1978. New perspectives in the regulation of ketogenesis.

Authors:  J D McGarry
Journal:  Diabetes       Date:  1979-05       Impact factor: 9.461

6.  The location of glycerol phosphate acyltransferase and fatty acyl CoA synthase on the inner surface of the mitochondrial outer membrane.

Authors:  H G Nimmo
Journal:  FEBS Lett       Date:  1979-05-15       Impact factor: 4.124

7.  Fatty acid activation and acyl transfer in organs from rats in different nutritional states.

Authors:  M Aas; L N Daae
Journal:  Biochim Biophys Acta       Date:  1971-07-13

8.  Coated charcoal immunoassay of insulin.

Authors:  V Herbert; K S Lau; C W Gottlieb; S J Bleicher
Journal:  J Clin Endocrinol Metab       Date:  1965-10       Impact factor: 5.958

9.  A selective decrease in mitochondrial glycerol phosphate acyltransferase activity in livers from streptozotocin-diabetic rats.

Authors:  E J Bates; D Saggerson
Journal:  FEBS Lett       Date:  1977-12-15       Impact factor: 4.124

10.  Modulation of fatty acid metabolism by glucagon in man. I. Effects in normal subjects.

Authors:  D S Schade; R P Eaton
Journal:  Diabetes       Date:  1975-05       Impact factor: 9.461

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