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Vasoactive intestinal peptide (VIP) and noradrenaline (NA) have been previously shown to promote glycogenolysis in mouse cerebral cortex (Magistretti, 1990). This action, which is fully expressed within a few minutes, is exerted on astrocytes (Sorg and Mag ...
Adenosine triphosphate (ATP) promotes glycogenolysis in primary cultures of mouse cerebral cortical astrocytes with an EC50 of 1.5 microM. A pharmacological analysis indicates an involvement of purinergic P2Y receptors in this action of ATP. Application of ...
We have examined the effects of hGRF on cyclic AMP and glycogen levels in mouse cerebral cortical slices. hGRF-44-NH2 and hGRF-28-OH did not stimulate cyclic AMP formation nor glycogenolysis and did not antagonize the stimulatory effects of VIP on cyclic A ...
The natural abundance 13C NMR intensity of the glycogen C1 resonance was measured in the surgically exposed liver of rabbits in vivo (n = 17) by integration from 98 to 104 ppm and compared double blindedly to the subsequent biochemical measurement. Coil lo ...
Yeasts degrade glucose through different metabolic pathways, where the choice of the pathway is dependent on the nature of the limitation in the various substrates. When oxygen is limiting in addn. to glucose, yeasts often grow according to a mixt. of oxid ...
The effects of VIP and related-peptides (PHI, secretin, glucagon) on cyclic AMP formation were investigated in intact pieces of rabbit retina. VIP and PHI increased cyclic AMP levels with EC50 of 160 nM and 300 nM respectively. At 5 microM the peptides inc ...
Intra-abdominal and subcutaneous adipose tissue display important metabolic differences that underlie the association of visceral, but not subcutaneous, fat with obesity-related cardiovascular and metabolic problems. Because the molecular mechanisms contri ...
Transcription factor AP-1 is constituted by the products of the various fos and jun genes. AP-1 activity is modulated by second messengers and appears to involve post-translational modifications of Fos and Jun. It has been shown that phosphorylation mediat ...
The integrated 13C NMR intensity of the glycogen C1 resonance was measured in skeletal muscle (biceps femoris region) of nine rabbits under in vivo conditions. Concurrent chemical determinations of glycogen content showed that the in vivo signal was 1.02 ± ...
The cDNA for mouse brain glycogen synthase has been isolated by screening a mouse cerebral cortical astrocyte lambda ZAP II cDNA library. The mouse brain glycogen synthase cDNA is 3.5 kilobases in length and encodes a protein of 737 amino acids. The coding ...
