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  • KITAZONO, TAKANARI  (3)
  • 1
    Online Resource
    Online Resource
    2456-PUB: Cholesterol Uptake Capacity of High-Density Lipoprotein Predicts the Risk of Future Diabetes: The Hisayama Study
    American Diabetes Association ; 2019
    In:  Diabetes Vol. 68, No. Supplement_1 ( 2019-06-01)
    Details
    In: Diabetes, American Diabetes Association, Vol. 68, No. Supplement_1 ( 2019-06-01)
    Abstract: Background: Cholesterol uptake capacity (CUC) is a novel index of the functionality of serum high-density lipoprotein (HDL), which has been reported to be associated with insulin resistance and the cardiovascular risk. However, only a few studies investigated the association of CUC with the development of diabetes. Herein, we assessed the association of CUC with incident type 2 diabetes in a general Japanese population. Methods: A total of 2,162 subjects aged 40-79 years without diabetes underwent comprehensive health examination including 75g OGTT and were followed-up prospectively for a median of 6.0 years. The amount of HDL-contained cholesterol per apolipoprotein A1 levels after incubating the participants’ HDL with cholesterol as CUC were measured at baseline. CUC levels were categorized into quartiles (Q1: & lt;0.303, Q2:0.303-0.325, Q3:0.326-0.351, Q4:≥0.352 a.u.). The hazard ratios (HRs) and their 95% confidence intervals (CIs) of CUC levels on the incident diabetes were estimated by using a Cox’s proportional hazard model with adjustment for confounding factors. Results: During the follow-up period, 219 subjects experienced diabetes. The multivariable-adjusted HR (95% CI) was significantly decreased with elevating levels of CUC: 1.00 (reference) in Q1, 0.83 (0.57, 1.20) in Q2, 0.77 (0.52, 1.14) in Q3 and 0.64 (0.42, 0.98) in Q4 (p=0.04 for trend). In the analysis combined serum HDL cholesterol level (≤50mg/dl [25 percentile value] vs. & gt;51 mg/dl) and CUC (Q1-Q3 vs. Q4), HRs (95% CIs) for the incident diabetes compared to both low group were 0.72 (0.36, 1.45) in isolated high CUC group, 0.73 (0.50, 1.06) in isolated high HDL cholesterol group, and 0.56 (0.34, 0.93) in both high group (p=0.88 for interaction). Conclusion: Our findings suggest that the risk of diabetes decreased with elevating CUC levels independent of HDL cholesterol levels in the general Japanese population. Disclosure Y. Hirakawa: None. R. Toh: Other Relationship; Self; Sysmex Corporation. M. Higashioka: None. M. Yoshinari: None. T. Honda: None. D. Yoshida: None. J. Hata: None. U. Nakamura: None. T. Kitazono: None. T. Ninomiya: Research Support; Self; Asahi Kasei Corporation, Denka Company Limited, DeSC Healthcare, Inc, Mochida Pharmaceutical Co., Ltd., Suntory Beverage & Food Limited, Sysmex Corporation. Funding Japan Ministry of Education, Culture, Sports, Science and Technology; Japan Ministry of Health, Labour and Welfare; Japan Agency for Medical Research and Development
    Type of Medium: Online Resource
    ISSN: 0012-1797 , 1939-327X
    URL: Article
    DOI: 10.2337/db19-2456-PUB
    Language: English
    Publisher: American Diabetes Association
    Publication Date: 2019
    detail.hit.zdb_id: 1501252-9
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    Online Resource
  • 2
    Online Resource
    Online Resource
    1522-P: Serum Mac-2 Binding Protein Glycosylation Isomer Level and the Risk of Type 2 Diabetes in a Japanese Community: The Hisayama Study
    American Diabetes Association ; 2019
    In:  Diabetes Vol. 68, No. Supplement_1 ( 2019-06-01)
    Details
    In: Diabetes, American Diabetes Association, Vol. 68, No. Supplement_1 ( 2019-06-01)
    Abstract: Background: Serum Mac-2 binding protein glycosylation isomer (M2BPGi) is a novel biomarker of chronic liver disease including liver fibrosis. Chronic liver disease has been acknowledged to cause glucose intolerance. However, few studies have addressed the association between serum M2BPGi levels and the risk of type 2 diabetes (T2D). Methods: A total of 2,143 participants aged 40-79 years without diabetes were followed-up for a median of 7.0 years. Serum M2BPGi levels were measured at baseline and were categorized into quartiles: ≤ 0.40; 0.41-0.55; 0.56-0.75; and ≥0.76 (cut-off index). A Cox’s proportional hazards model was used to estimate hazard ratios (HRs) and their 95% CIs for the incident T2D with the adjustment for confounders-namely age, sex, family history of diabetes, systolic blood pressure, use of antihypertensive agents, serum total and HDL cholesterol, serum triglyceride, use of lipid-modifying agents, BMI, smoking, drinking, regular exercise, and fasting plasma glucose. The impact of serum M2BPGi levels on the predictive ability of incident T2D was evaluated with Harrell’s C statistics, continuous net reclassification improvement (cNRI), and integrated discrimination improvement (IDI). Results: During follow-up periods, 219 subjects developed T2D. The multivariable-adjusted HR (95% CI) of developing T2D increased significantly with higher serum M2BPGi levels (p for trend=0.03), being 1.00 (reference) in Q1, 1.38 (0.89-2.15) in Q2, 1.51 (0.95-2.39) in Q3, 1.70 (1.07-2.70) in Q4. The predictive ability of incident T2D was improved by adding serum M2BPGi level to the model comprising aforementioned confounders: Harrell’s c-statistics from 0.787 to 0.795 (p=0.03), cNRI 0.19 (p=0.03), and IDI 0.004 (p=0.07). Conclusion: Our findings suggest that higher serum M2BPGi level was a significant risk factor for T2D in the general Japanese population. Measuring serum M2BPGi level may be effective to detect the high-risk population of T2D. Disclosure M. Higashioka: None. Y. Hirakawa: None. M. Yoshinari: None. T. Honda: None. S. Sakata: None. M. Shibata: None. D. Yoshida: None. J. Hata: None. T. Kitazono: None. H. Osawa: None. T. Ninomiya: Research Support; Self; Asahi Kasei Corporation, Denka Company Limited, DeSC Healthcare, Inc, Mochida Pharmaceutical Co., Ltd., Suntory Beverage & Food Limited, Sysmex Corporation.
    Type of Medium: Online Resource
    ISSN: 0012-1797 , 1939-327X
    URL: Article
    DOI: 10.2337/db19-1522-P
    Language: English
    Publisher: American Diabetes Association
    Publication Date: 2019
    detail.hit.zdb_id: 1501252-9
    Location Call Number Limitation Availability
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    Online Resource
  • 3
    Online Resource
    Online Resource
    1516-P: A Comparison of the Contributions of Impaired Insulin Secretion and Insulin Resistance to the Development of Type 2 Diabetes in a Japanese Community: The Hisayama Study
    American Diabetes Association ; 2019
    In:  Diabetes Vol. 68, No. Supplement_1 ( 2019-06-01)
    Details
    In: Diabetes, American Diabetes Association, Vol. 68, No. Supplement_1 ( 2019-06-01)
    Abstract: Objective: Impaired insulin secretion (IIS) and insulin resistance (IR) are the two main mechanisms for type 2 diabetes (T2D), but IIS has been reported to contribute to incident T2D more than IR in Asian populations. However, we assumed that the impact of IR on the incident T2D was being greater in the recent Japanese population, because the burden of obesity increased. Herein, we addressed the magnitude of the contribution of IIS and IR to the development of T2D in a Japanese community. Methods: In 2007, a total of 2,108 residents aged 40-79 years (participation rate 77.1%) without diabetes at baseline underwent health examination including 75g OGTT, insulinogenic index (IGI), and HOMA-IR. Subjects were divided into 4 groups according to the presence or absence of IIS (IGI ≤ 0.4) and IR (1.6 ≤ HOMA-IR) and were followed-up prospectively for a median of 6.9 years. A Cox’s proportional hazards model was used to estimate the hazard ratios and 95% confidential intervals (CIs) for incident T2D with adjustment for confounders. The population attributable fraction (PAF) for the development of diabetes due to IS, IR and their combination were calculated. Result: At baseline, the proportions of subjects with neither of IIS nor IR, isolated IIS, isolated IR, and both IIS and IR were 45.5%, 21.0%, 28.7%, and 4.8%, respectively. During follow-up period, 273 subjects developed T2D. The risk of incident T2D was 5.3 (95% CI 3.6-7.9) times higher in subjects with isolated IIS, 4.1 (2.8-6.2) times higher in subjects with isolated IR, and 13.5 (8.5-21.5) times higher in subjects with both IIS and IR than subjects with neither of IIS nor IR. The PAFs on the excess risk of T2D among subjects with isolated IIS, isolated IR and both IIS and IR were 25.8%, 29.1%, and 15.9%, respectively. Conclusion: Our finding suggests that IIS and IR contributed equally to the development of T2D in the recent general Japanese population. Disclosure M. Yoshinari: None. Y. Hirakawa: None. J. Hata: None. M. Higashioka: None. T. Honda: None. D. Yoshida: None. N. Mukai: None. U. Nakamura: None. T. Kitazono: None. T. Ninomiya: Research Support; Self; Asahi Kasei Corporation, Denka Company Limited, DeSC Healthcare, Inc, Mochida Pharmaceutical Co., Ltd., Suntory Beverage & Food Limited, Sysmex Corporation.
    Type of Medium: Online Resource
    ISSN: 0012-1797 , 1939-327X
    URL: Article
    DOI: 10.2337/db19-1516-P
    Language: English
    Publisher: American Diabetes Association
    Publication Date: 2019
    detail.hit.zdb_id: 1501252-9
    Location Call Number Limitation Availability
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    Online Resource
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