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  • Title: [Metabolic changes in the liver as affected by nicotinic acid].
    Author: Orbetsova V.
    Journal: Eksp Med Morfol; 1981; 20(3):143-50. PubMed ID: 7308122.
    Abstract:
    The author carried out a dynamic study on the metabolic changes in liver under the influence of nicotinic acid, administered singly by intramuscular injection in a dose of 2mM/kg of body weight. She examined at the 1th, 3th, 6th and 24th hour the changes in the levels of nicotine-amide coenzymes (NAD, NAD-H and NADP), adenine nucleotides (ATP, ADP and AMP), the metabolic lactate and pyruvate and the enzymes LDH, MDH, GOT and GPT. The obtained data were compared with those of the control groups, treated with saline and killed at the same intervals as the experimental animals. Furthermore she made also a comparison with an intact group, presented as O group, whose values served as basal. The obtained data showed that after application of the nicotinic acid (NA) complex metabolic changes occurred in liver, due to its basic effects-stimulation of biosynthesis of nicotinamide coenzymes and inhibition of lipolysis in the fatty tissue. Most probably the effect on the biosynthesis of NAD was primary, which showed later substantial regulatory influence both on lipolysis in the fatty acid and on the metabolization of mobilizing lipids on behalf of the liver. Parallel occurring metabolic processes in the aorta and in the vascular wall in general, stimulation of the biological oxidation and bioenergetics formed the whole antilipolytic and antiarteriogenic action of nicotinic acid.
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