Lipoprotein Subfractions and Glucose Homeostasis in Prediabetes and Diabetes in Taiwan
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- Hsu Hung
- Department of Insured Medical Care Management, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University (TMDU)
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- Hsu Powen
- Department of General Internal Medicine, Lo-Hsu Medical Foundation Lotung Poh-Ai Hospital
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- Cheng Ming-Hui
- Department of Laboratory Medicine, Lo-Hsu Medical Foundation Lotung Poh-Ai Hospital
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- Ito Yasuki
- Research and Development Center, Denka-Seiken Company, Ltd.
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- Kanda Eiichiro
- Department of Medical Science, Kawasaki Medical School
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- Schaefer Ernst J
- Cardiovascular Nutrition Laboratory, Human Nutrition Research Center on Aging at Tufts University, and Tufts University School of Medicine
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- Ai Masumi
- Department of Insured Medical Care Management, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University (TMDU)
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<p>Aims: Prediabetes and diabetes are associated with increased insulin resistance and decreased insulin production, dyslipidemia, and increased cardiovascular disease (CVD) risk. Our goals were to assess lipoprotein subfractions using novel assays in such subjects.</p><p>Methods: Fasting normal, prediabetic, and diabetic Taiwanese men and women (n=2,049) had their serum glucose, glycosylated hemoglobin, insulin, total cholesterol (TC), triglycerides (TG), high-density lipoprotein cholesterol (HDL-C), HDL3-C, apolipoprotein E-HDL-C, direct low-density lipoprotein cholesterol (LDL-C), small dense LDL-C (sdLDL-C), LDL-TG, and remnant lipoprotein cholesterol (RLP-C) levels measured using novel assays. HDL2-C, LDL-C, and large-buoyant LDL-C (lbLDL-C) were calculated.</p><p>Results: Prediabetic male and female subjects had significantly higher levels of TG, RLP-C, sdLDL-C, the sdLDL-C/LDL-C ratio, and LDL-TG than normal subjects, and statin treatment abolished this effect in men, but not in women. Diabetic male and female subjects had significantly higher TG and sdLDL-C/LDL-C ratios, and significantly lower levels of HDL-C, HDL2-C, HDL3-C, and apoE HDL-C than normal subjects, as did prediabetic women. Median direct LDL-C levels were ＞100 mg/dL in all groups, even in those receiving statin therapy. Calculated LDL-C significantly underestimated direct LDL-C by ＞10% in diabetic subjects.</p><p>Conclusions: Our data indicate that prediabetic subjects were more likely to have significantly elevated RLP-C, sdLDL-C, and LDL-TG, while diabetic subjects were more likely to have significantly decreased HDL-C, HDL2-C, HDL3-C, and apoE HDL-C than normal subjects, and calculated LDL-C significantly underestimated their direct LDL-C. In our view, direct LDL-C and sdLDL-C should be measured and optimized in both diabetic and prediabetic subjects to reduce CVD risk.</p>
収録刊行物
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- Ｊｏｕｒｎａｌ ｏｆ Ａｔｈｅｒｏｓｃｌｅｒｏｓｉｓ ａｎｄ Ｔｈｒｏｍｂｏｓｉｓ
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Ｊｏｕｒｎａｌ ｏｆ Ａｔｈｅｒｏｓｃｌｅｒｏｓｉｓ ａｎｄ Ｔｈｒｏｍｂｏｓｉｓ 26 (10), 890-914, 2019-10-01
一般社団法人 日本動脈硬化学会
