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  • Title: Plasma cholesteryl ester transfer protein activity in non-insulin-dependent diabetic patients with and without coronary artery disease.
    Author: Kahri J, Syvänne M, Taskinen MR.
    Journal: Metabolism; 1994 Dec; 43(12):1498-502. PubMed ID: 7990702.
    Abstract:
    The present study was designed to evaluate the potential role of plasma cholesteryl ester transfer protein (CETP) activity in the regulation of high-density lipoprotein (HDL) subclasses in non-insulin-dependent diabetes mellitus (NIDDM). We studied 45 men with NIDDM and angiographically defined coronary artery disease ([CAD] DM+CAD+, aged 54.4 +/- 6.1 years, mean +/- SD); 47 nondiabetic men with similarly proven CAD (DM-CAD+, aged 54.9 +/- 6.6 years; 43 men with NIDDM but no CAD (DM+CAD-, aged 55.2 +/- 7.3 years); and 29 nondiabetic men without CAD (DM-CAD-, aged 53.2 +/- 5.3 years). The groups were matched for age and body mass index (BMI). Plasma CETP activity was determined by measuring the ability of the plasma sample to transfer esterified cholesterol from exogenous 14C-cholesteryl ester-labeled low-density lipoprotein (LDL) to exogenous HDL. Plasma lipoproteins were separated by ultracentrifugation. The concentration of HDL cholesterol was reduced in the DM+CAD+ group as compared with the DM-CAD- group (P < .01). This change was due to a decrease of both HDL2 cholesterol (P < .05) and HDL3 cholesterol (P < .001). There was a clear-cut decrease in HDL3 cholesterol in the DM-CAD+ (P < .01) and DM+CAD- (P < .05) groups as compared with the DM-CAD- group. Plasma CETP activity was lower in the DM+CAD- group (1.06 +/- 0.24 arbitrary units [AU]) than in the DM-CAD- group (1.19 +/- 0.26 AU, P < .05). In the DM+CAD+ group, the mean of CETP activities was 1.09 AU.(ABSTRACT TRUNCATED AT 250 WORDS)
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