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  • Title: Acute effects of a glucose load on plasma apolipoproteins A-I, A-II, C-II, and C-III in normal and non-insulin-dependent diabetic men.
    Author: Briones ER, Palumbo PJ, Mao SJ, Gerich JE, Kottke BA.
    Journal: Mayo Clin Proc; 1984 Jun; 59(6):399-403. PubMed ID: 6427534.
    Abstract:
    Changes in plasma levels of apolipoproteins A-I, A-II, C-II, and C-III, cholesterol, triglycerides, glucose, and insulin were studied after administration of a glucose load in six normal subjects and five patients with non-insulin-dependent diabetes mellitus. The main finding of our study was the significantly increased responses of total triglycerides and apolipoproteins C-II and C-III from the baseline values in the normal subjects but not in the diabetic group. High-density lipoprotein cholesterol levels at baseline and after glucose loading were significantly lower in diabetic than in normal subjects. As expected, abnormal glucose tolerance and hyperinsulinemia were observed in the diabetic subjects after the glucose loading. The peak glucose and insulin levels and their decline after the glucose loading were delayed in the diabetic patients. The glucose load did not significantly alter total plasma cholesterol, high-density lipoprotein cholesterol, and apolipoprotein A-I and A-II concentrations in normal and diabetic subjects. The apparent blunted response of total triglycerides and apolipoproteins C-II and C-III in the diabetic subjects may be related to maximal stimulation of synthesis of triglycerides and apolipoproteins C-II and C-III by the hyperglycemia and hyperinsulinemia (or both) present in these patients.
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