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  • Title: [The enzyme activity of carbohydrate metabolism in the liver of swine during the transition from prenatal to postnatal development].
    Author: Snitinskiĭ VV.
    Journal: Zh Evol Biokhim Fiziol; 1988; 24(5):702-7. PubMed ID: 3064498.
    Abstract:
    Studies have ben been made on the activity of hexokinase, glucokinase, phosphofructokinase, glucose-6-phosphate dehydrogenase, 6-phosphogluconate dehydrogenase, as well as NADP-dependent dehydrogenases (malate and citrate) in the liver of foetuses and newborn piglets in relation to their age, fasting and reaction to injection of adaptive hormones (insulin and cortisol). It was shown that postpartum adaptation of carbohydrate metabolism in porcine liver is associated with activation of the glycolysis and with the increase in the activity of NADPH-generating dehydrogenases. In fasting newborn piglets the rate of carbohydrate catabolism increases. The effects of the investigated factors are different in the liver of 1-day piglets (sensitive to fasting) and 5-day animals (less sensitive). In is suggested that low ability of newborn piglets to maintain physiological level of glucose in the blood is associated with active glycolysis in the liver and ineffectiveness of the hormone-substrate mechanisms which control tissue glycaemia.
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