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  • Title: Plasma noradrenaline and adrenaline in newborn infants of diabetic mothers: relation to plasma lipids.
    Author: Hertel J, Kühl C, Christensen NJ, Pedersen SA.
    Journal: Acta Paediatr Scand; 1985 Jul; 74(4):521-4. PubMed ID: 3895816.
    Abstract:
    No significant differences in plasma noradrenaline and adrenaline concentrations were found between 14 infants of diabetic mothers (IDMs) and 7 infants of non-diabetic mothers at birth or at 2 hours of age, although the mean values were higher in the IDMs. The mean blood glucose concentration declined from birth to 2 hours of age and it was lower at 2 hours of age in the IDMs although only one IDM became hypoglycaemic. Plasma non-antibody bound insulin concentrations were approximately 12 fold higher at birth and at 2 hours of age in the IDMs than in the control infants. Similar increases in plasma free fatty acids and free glycerol concentrations from birth to 2 hours of age were observed in the 2 groups. At 2 hours of age positive correlations were found between plasma noradrenaline and free fatty acids (r = 0.85, p less than 0.01) and free glycerol (r = 0.65, p less than 0.05) and between plasma adrenaline and free glycerol (r = 0.71, p less than 0.05) and the rise in free glycerol from birth to 2 hours of age (r = 0.65, p less than 0.05) in the IDMs. At birth positive correlations between plasma free fatty acids and plasma noradrenaline (r = 0.69, p less than 0.02) and plasma adrenaline (r = 0.88, p less than 0.01) were found in the IDMs. No correlations were found in the control infants. These findings indicate that the catecholamines counteracts the inhibitory effect of insulin on lipolysis in IDMs.
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