Blood levels of glucose and immunoreactive insulin were assessed in women with android and gynoid types of obesity or normal body weight (control group) in the dynamics of oral glucose tolerance test in the morning and in the evening. In the control group, the mean concentrations of glucose and immunoreactive insulin were significantly higher in the evening at all test terms (0, 60 and 120 min), which is indicative of physiological insulin resistance in the evening. In the group of women with gynoid obesity, no difference in the levels of glucose and immunoreactive insulin was revealed in the morning and evening tests, but in the evening tests, glucose (60 and 120 min) and immunoreactive insulin (120 min) levels were lower than in the control group. In the group of women with android obesity, the evening glucose level on minutes 60 and 120 of the test was higher than in the morning, but immunoreactive insulin did not vary throughout the day and on minutes 60 and 120 it surpassed the corresponding parameter in the control group by 2-4 times. In case of gynoid obesity, glucose load was followed by hyperinsulinemia and hypoglycemia; in android obesity, it was followed by hyperinsulinemia, hyperglycemia, and insulin resistance irrespective of the time of the day.
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Translated from Byulleten’ Eksperimental’noi Biologii i Meditsiny, Vol. 161, No. 3, pp. 296-299, March, 2016
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Pinkhasov, B.B., Selyatinskaya, V.G., Astrakhantseva, E.L. et al. Circadian Rhythms of Carbohydrate Metabolism in Women with Different Types of Obesity. Bull Exp Biol Med 161, 323–326 (2016). https://doi.org/10.1007/s10517-016-3406-2
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DOI: https://doi.org/10.1007/s10517-016-3406-2