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Associations of ser...
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Ingelsson, ErikKarolinska Institutet,Uppsala universitet,Geriatrik
(författare)
Associations of serum adiponectin with skeletal muscle morphology and insulin sensitivity
- Artikel/kapitelEngelska2009
Förlag, utgivningsår, omfång ...
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The Endocrine Society,2009
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LIBRIS-ID:oai:DiVA.org:uu-103672
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https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-103672URI
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https://doi.org/10.1210/jc.2008-1772DOI
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http://kipublications.ki.se/Default.aspx?queryparsed=id:118427859URI
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https://urn.kb.se/resolve?urn=urn:nbn:se:du-3600URI
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Språk:engelska
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Sammanfattning på:engelska
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Ämneskategori:art swepub-publicationtype
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CONTEXT: Skeletal muscle morphology and function are strongly associated with insulin sensitivity. OBJECTIVE: The objective of the study was to test the hypothesis that circulating adiponectin is associated with skeletal muscle morphology and that adiponectin mediates the relation of muscle morphology to insulin sensitivity. DESIGN, SETTINGS, AND PARTICIPANTS: This was a cross-sectional investigation of 461 men aged 71 yr, participants of the community-based Uppsala Longitudinal Study of Adult Men study. MAIN OUTCOME MEASURES: Measures included serum adiponectin, insulin sensitivity measured with euglycemic insulin clamp technique, and capillary density and muscle fiber composition determined from vastus lateralis muscle biopsies. RESULTS: In multivariable linear regression models (adjusting for age, physical activity, fasting glucose, and pharmacological treatment for diabetes), serum adiponectin levels rose with increasing capillary density (beta, 0.30 per 50 capillaries per square millimeter increase; P = 0.041) and higher proportion of type I muscle fibers (beta, 0.27 per 10% increase; P = 0.036) but declined with a higher proportion of type IIb fibers (beta, -0.39 per 10% increase; P = 0.014). Using bootstrap methods to examine the potential role of adiponectin in associations between muscle morphology and insulin sensitivity and the associations of capillary density (beta difference, 0.041; 95% confidence interval 0.001, 0.085) and proportion of type IIb muscle fibers (beta difference, -0.053; 95% confidence interval -0.107, -0.002) with insulin sensitivity were significantly attenuated when adiponectin was included in the models. CONCLUSIONS: Circulating adiponectin concentrations were higher with increasing skeletal muscle capillary density and in individuals with higher proportion of slow oxidative muscle fibers. Furthermore, our results indicate that adiponectin could be a partial mediator of the relations between skeletal muscle morphology and insulin sensitivity.
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Ärnlöv, JohanHögskolan Dalarna,Uppsala universitet,Geriatrik,Medicinsk vetenskap,Uppsala University, Department of Health and Social Sciences(Swepub:du)jan
(författare)
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Zethelius, BjörnUppsala universitet,Geriatrik(Swepub:uu)bjorzeth
(författare)
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Vasan, Ramachandran S
(författare)
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Flyvbjerg, Allan
(författare)
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Frystyk, Jan
(författare)
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Berne, ChristianUppsala universitet,Institutionen för medicinska vetenskaper(Swepub:uu)chber255
(författare)
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Hänni, ArvoUppsala universitet,Geriatrik(Swepub:uu)arvohann
(författare)
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Lind, LarsUppsala universitet,Institutionen för medicinska vetenskaper(Swepub:uu)laeli995
(författare)
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Sundström, JohanUppsala universitet,Institutionen för medicinska vetenskaper(Swepub:uu)johasund
(författare)
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Uppsala universitetGeriatrik
(creator_code:org_t)
Sammanhörande titlar
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Ingår i:Journal of Clinical Endocrinology and Metabolism: The Endocrine Society94:3, s. 953-9570021-972X1945-7197
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Ingelsson, Erik
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Ärnlöv, Johan
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Zethelius, Björn
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Vasan, Ramachand ...
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Flyvbjerg, Allan
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Frystyk, Jan
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visa fler...
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Berne, Christian
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Hänni, Arvo
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Lind, Lars
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Sundström, Johan
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- MEDICIN OCH HÄLSOVETENSKAP
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och Klinisk medicin
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Uppsala universitet
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Karolinska Institutet
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Högskolan Dalarna