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  • Title: Lipid, glucose, and insulin interrelationships in normal, prediabetic, and chemical diabetic subjects.
    Author: Kyner JL, Levy RI, Soeldner JS, Gleason RE, Fredrickson DS.
    Journal: J Lab Clin Med; 1976 Sep; 88(3):345-58. PubMed ID: 956689.
    Abstract:
    Fasting levels of plasma cholersterol and triglyceride, lipoprotein patterns, and fasting and postintravenous glucose levels of blood glucose, serum insulin, serum growth hormone, and plasma free fatty acids in a genetic potential diabetic population were compared to those in a similar normal control population. THe potential diabetic population was further divided into groups of patients with a normal (prediabetic) or abnormal (chemical diabetic) glucose tolerance test. Although no clear-cut lipid differences were noted, certain trends appeared. More type IV hyperlipoproteinemia was seen in male prediabetic (21%) and male chemical diabetic patients (19%) than in normal male subjects (5%); in female subjects only a few type IV patterns were seen. Type II hyperlipoproteinemia was not seen in any normal subject, but was noted in nearly 9% of those with chemical diabetes. Fasting cholesterol levels correlated better with age than did fasting triglyceride levels in most of the patient groups. Fasting triglyceride levels showed a significant positive correlation with the serum insulin area of the oral glucose tolerance test in the normals wna prediabetic persons, and also showed a significant positive correlation with the blood glucose area of the prediabetic and chemical diabetic patients. It is suggested that a normal relationship between triglyceride concentration and insulin response to glucose is lost in chemical diabetes. Sex differences were also noted in the inslin response and the insulin-glucose relationships during the oral glucose tolerance test, with normal menstruation women showing a significantly lower insulin-glucose relationship than the age-related men.
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