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10-year trajectory of beta-cell function and insulin sensitivity in the development of type 2 diabetes: a community-based prospective cohort study

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dc.contributor.authorOhn, JH-
dc.contributor.authorKwak, SH-
dc.contributor.authorCho, YM-
dc.contributor.authorLim, S-
dc.contributor.authorJang, HC-
dc.contributor.authorPark, KS-
dc.contributor.authorCho, NH-
dc.date.accessioned2018-05-04T00:23:30Z-
dc.date.available2018-05-04T00:23:30Z-
dc.date.issued2016-
dc.identifier.issn2213-8587-
dc.identifier.urihttp://repository.ajou.ac.kr/handle/201003/14727-
dc.description.abstractBACKGROUND: The relative contributions of beta-cell function and insulin sensitivity in the pathogenesis of type 2 diabetes are not fully understood. We investigated the longitudinal change in beta-cell function and insulin sensitivity in the development of diabetes and the role of genetic variants in deterioration of glucose tolerance. METHODS: We followed up 4106 participants with normal glucose tolerance (NGT) from the Korean Genome and Epidemiology Study with oral glucose tolerance tests every 2 years for 10 years. We estimated pancreatic beta-cell function with the 60 min insulinogenic index (IGI60) and insulin sensitivity with the composite (Matsuda) insulin sensitivity index (ISI). We investigated the association of 66 known type 2 diabetes genetic variants with risk of prediabetes or diabetes and impaired beta-cell function and insulin sensitivity. FINDINGS: During 10 years of follow-up, 1093 (27%) of 4106 participants developed prediabetes and 498 (12%) participants developed diabetes. Compared with participants who remained NGT, those who progressed to diabetes had a lower IGI60 (unadjusted data 5.1 muU/mmol [95% CI 0.5-56.1] vs 7.9 muU/mmol [0.5-113.8]: p<0.0001) and lower ISI (unadjusted data 8.2 [2.6-26.0] vs 10.0 [3.2-31.6]: p<0.0001) at baseline. Participants who had NGT at 10 years showed a decrease in ISI (adjusted data 10.1 [9.9-10.3] vs 7.4 [7.3-7.6]: p<0.0001) but a compensatory increase in IGI60 (adjusted data 6.9 muU/mmol [6.5-7.2] vs 11.7 muU/mmol [11.2-12.1]: p<0.0001) compared with baseline. By contrast, participants who developed diabetes showed a decrease in ISI (adjusted data 8.4 [8.0-8.7] vs 3.0 [2.8-3.2]: p<0.0001) but no significant compensatory increase (p=0.95) in IGI60. A genetic variant near the glucokinase gene (rs4607517) was significantly associated with progression to prediabetes or diabetes (hazard ratio 1.27, 1.16-1.38: p=1.70 x 10(-7)). INTERPRETATION: Decreased beta-cell function, which might be determined partly by genetic factors, and impaired beta-cell compensation for progressive decline in insulin sensitivity are crucial factors in the deterioration of glucose tolerance. FUNDING: South Korean Ministry of Health & Welfare.-
dc.language.isoen-
dc.subject.MESHAdult-
dc.subject.MESHAged-
dc.subject.MESHBlood Glucose-
dc.subject.MESHDiabetes Mellitus, Type 2-
dc.subject.MESHDisease Progression-
dc.subject.MESHFemale-
dc.subject.MESHGlucose Tolerance Test-
dc.subject.MESHHumans-
dc.subject.MESHInsulin-
dc.subject.MESHInsulin Resistance-
dc.subject.MESHInsulin-Secreting Cells-
dc.subject.MESHLongitudinal Studies-
dc.subject.MESHMale-
dc.subject.MESHMiddle Aged-
dc.subject.MESHProspective Studies-
dc.title10-year trajectory of beta-cell function and insulin sensitivity in the development of type 2 diabetes: a community-based prospective cohort study-
dc.typeArticle-
dc.identifier.pmid26577716-
dc.contributor.affiliatedAuthor조, 남한-
dc.type.localJournal Papers-
dc.identifier.doi10.1016/S2213-8587(15)00336-8-
dc.citation.titleThe lancet. Diabetes & endocrinology-
dc.citation.volume4-
dc.citation.number1-
dc.citation.date2016-
dc.citation.startPage27-
dc.citation.endPage34-
dc.identifier.bibliographicCitationThe lancet. Diabetes & endocrinology, 4(1). : 27-34, 2016-
dc.embargo.liftdate9999-12-31-
dc.embargo.terms9999-12-31-
dc.identifier.eissn2213-8595-
dc.relation.journalidJ022138587-
Appears in Collections:
Journal Papers > School of Medicine / Graduate School of Medicine > Preventive Medicine & Public Health
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