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Circulating alpha-t...
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Xu, HongKarolinska Institutet
(author)
Circulating alpha-tocopherol and insulin sensitivity among older men with chronic kidney disease
- Article/chapterEnglish2016
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Elsevier BV,2016
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LIBRIS-ID:oai:DiVA.org:du-20789
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https://urn.kb.se/resolve?urn=urn:nbn:se:du-20789URI
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https://doi.org/10.1053/j.jrn.2015.11.005DOI
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https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-299611URI
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http://kipublications.ki.se/Default.aspx?queryparsed=id:133756423URI
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Language:English
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Summary in:English
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Subject category:ref swepub-contenttype
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Subject category:art swepub-publicationtype
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Objective: Insulin resistance is common in individuals with chronic kidney disease (CKD) and may be partly explained by modifiable risk factors. In the general population, vitamin E supplementation has been suggested to improve both insulin sensitivity and secretion. We here explore the potential role of vitamin E as a modifiable risk factor for insulin resistance among individuals with CKD.Design: Observational study.Setting: A total of 273 nondiabetic men aged 70 to 71 years with CKD defined as either cystatin C estimated glomerular filtration rate < 60 mL/minute/1.73 m2 or urinary albumin excretion rate ≥ 20 mg/minute from the third examination cycle of Uppsala Longitudinal Study of Adult Men.Subjects: A total of 273 nondiabetic men aged 70 to 71 years with CKD defined as either cystatin C estimated glomerular filtration rate < 60 mL/minute/1.73 m2 or urinary albumin excretion rate ≥ 20 μg/minute.Methods: Serum α-, β-, and γ-tocopherol concentrations were measured by high-performance liquid chromatography and expressed as μmol/total serum cholesterol and triglycerides (in mmol). Dietary vitamin E intake was estimated from 7-day food records.Main Outcome Measure: Insulin sensitivity index (M/I ratio) was measured by hyperinsulinemic-euglycemic glucose clamps. Univariate and multivariate regression models were fitted to assess the association between M/I and circulating concentrations of tocopherols.Results: The mean serum concentration of α-, β-, and γ- was 37.4 ± 6.58, 0.89 ± 0.23, and 4.32 ± 1.69 μmol/mmol, respectively. Median dietary vitamin E intake was 6.14 (interquartile range, 5.48-6.82) mg/day. In crude and fully-adjusted multivariate regression analyses, serum α-tocopherol levels were directly and strongly associated with M/I (standard β = 0.17, P = .003). No such association was observed for dietary vitamin E, serum β-, and γ-tocopherol concentrations.Conclusions: Serum α-tocopherol concentration associates with insulin sensitivity in nondiabetic older men with CKD.
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Xiong, ZiboKarolinska Inst, Dept Clin Sci Intervent & Technol, Div Renal Med & Baxter Novum, Stockholm, Sweden.;Peking Univ, Shenzhen Hosp, Div Nephrol, Shenzhen, Guangdong, Peoples R China.
(author)
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Ärnlöv, Johan,1970-Uppsala universitet,Högskolan Dalarna,Medicinsk vetenskap,Uppsala university,Kardiovaskulär epidemiologi,Dalarna Univ, Sch Hlth & Social Studies, Falun, Sweden.(Swepub:uu)johaarnl
(author)
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Qureshi, Abdul RashidKarolinska Institutet
(author)
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Cederholm, TommyKarolinska Institutet,Uppsala universitet,Klinisk nutrition och metabolism(Swepub:uu)tomce419
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Sjögren, PerUppsala universitet,Klinisk nutrition och metabolism(Swepub:uu)persj732
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Lindholm, BengtKarolinska Institutet
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Riserus, UlfUppsala universitet,Klinisk nutrition och metabolism(Swepub:uu)ulfriser
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Carrero, Juan JesusKarolinska Institutet
(author)
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Karolinska InstitutetKarolinska Inst, Dept Clin Sci Intervent & Technol, Div Renal Med & Baxter Novum, Stockholm, Sweden.;Peking Univ, Shenzhen Hosp, Div Nephrol, Shenzhen, Guangdong, Peoples R China.
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In:Journal of renal nutrition (Print): Elsevier BV26:3, s. 177-1821051-22761532-8503
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