Journal
DIABETES CARE
Volume 25, Issue 6, Pages 989-994Publisher
AMER DIABETES ASSOC
DOI: 10.2337/diacare.25.6.989
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Funding
- NHLBI NIH HHS [N01-HC-38038] Funding Source: Medline
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OBJECTIVE - Remnants of triglyceride-rich lipoproteins are thought to be atherogenic. A new antibody-based assay allows for the isolation of remnant-like particles (RLPs) from plasma or serum, and the subsequent measurement of RLP cholesterol (RLPC) and triglycerides (RLPTGs). We hypothesized that diabetic patients would have higher remnant levels than nondiabetic patients. DESIGN AND METHODS - We compared RLPC and RLPTG levels of diabetic subjects (68 women, 121 men) participating in the Framingham Heart Study with those of nondiabetic subjects (1,499 women, 1,357 men). RESULTS - Mean RLPC values for diabetic women were 106% higher than those for nondiabetic women (0.367 +/- 0.546 mmol/l [14.2 +/- 21.1 mg/dl] vs. 0.179 +/- 0.1.09 mmol/l 16.9 +/- 14.2 mg/dl]; P < 0.0001), and RLPTG values for diabetic women were 385% higher than those for nondiabetic women (1.089 +/- 2.775 mmol/l [93.1 +/- 245.6 mg/dl] vs. 0.217 +/- 0.235 mmol/l [19.2 +/- 20.8 mg/dl]; P < 0.0001). Similar but less striking differences were observed in diabetic men, who had mean RLPC values 28% higher than those seen in nondiabetic men (0.285 +/- 0.261 mmol/l [11.0 +/- 10.1 mg/dl] vs. 0.223 +/- 0.163 mmol/l [8.6 +/- 6.3 mg/dl]; P < 0.001) and mean RLPTG values 70% higher than those seen in nondiabetic men (0.606 +/- 1.019 mmol/l [53.6 +/- 90.2 mg/dl] vs. 0.357 +/- 0.546 mmol/l [31.6 +/- 48.3 mg/dl] P < 0.001). Moreover, diabetic men and women had significantly higher total triglycerides and lower HDL cholesterol levels than nondiabetic subjects. CONCLUSIONS - The data indicate that RLP particles are elevated in diabetic subjects. To achieve optimal reduction of risk for cardiovascular disease, treatment of elevated RLP values, along with the control of LDL cholesterol levels, should be considered.
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