Serum selenium in relation to measures of glucose metabolism and incidence of Type 2 diabetes in an older Swedish population
2014 (English)In: Diabetic Medicine, ISSN 0742-3071, E-ISSN 1464-5491, Vol. 31, no 7, 787-793 p.Article in journal (Refereed) Published
Aims The relation between selenium status and risk of Type2 diabetes is controversial. We aimed to evaluate associations of serum selenium, a marker of dietary selenium, with measures of glucose metabolism and risk of diabetes. Methods We used data from a population-based, longitudinal cohort of 1925 Swedish men who were 50years old and did not have diabetes at baseline in the 1970s. At baseline, an intravenous glucose tolerance test was performed and, at a follow-up examination after 20years, an oral glucose tolerance test and a hyperinsulinaemic euglycaemic clamp for the assessment of insulin sensitivity were conducted. Results At baseline, the mean (standard deviation) selenium concentration was 75.6 (14.3) g/l. During 20years of follow-up, 88 incident cases of diabetes occurred in 1024 participants with follow-up data. Baseline serum selenium levels were not associated with risk of diabetes (odds ratio1.06; 95%CI 0.83-1.38). Higher selenium levels were associated with lower early insulin response (standardized -0.08; 95%CI -0.14 to -0.03) at baseline after adjusting for potential confounders, but not with any other measures of -cell function or insulin sensitivity at baseline or follow-up. The association with early insulin response was non-significant after taking multiple testing into account. Conclusions Our results do not support a role of dietary selenium in the development of disturbances in glucose metabolism or diabetes in older individuals.
Place, publisher, year, edition, pages
2014. Vol. 31, no 7, 787-793 p.
Endocrinology and Diabetes
IdentifiersURN: urn:nbn:se:uu:diva-228532DOI: 10.1111/dme.12429ISI: 000337621100006OAI: oai:DiVA.org:uu-228532DiVA: diva2:734501
FunderSwedish Research Council, 2009-2298Swedish Heart Lung Foundation, 20100401Swedish Foundation for Strategic Research , ICA08-0047
De två sista författarna delar sistaförfattarskapet.2014-07-172014-07-162016-01-25Bibliographically approved