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dc.contributor.authorBekkelund, Svein Ivar
dc.contributor.authorJorde, Rolf
dc.date.accessioned2019-10-25T11:50:44Z
dc.date.available2019-10-25T11:50:44Z
dc.date.issued2019-08-26
dc.description.abstractThere is a known relationship between serum alanine aminotransferase (ALT) and obesity in humans, but the mechanism(s) are not clarified. This study investigated the associations between serum ALT and body composition in an overweight and obese population. The results are based on data from a previous randomized controlled trial treating obesity with vitamin D<sub>3</sub>. A sample of 448 overweight and obese individuals underwent dual-energy X-ray absorptiometry (DEXA) and measured serum ALT along with supplementary blood samples at study baseline. Body fat mass and lean mass indexes were calculated by dividing total body fat/lean weight (kg) by body height squared (kg/m<sup>2</sup> ). ALT correlated with body mass index (BMI) in men but not women (<i>r</i> = 0.33, <i>P</i> < 0.0001 vs. <i>r</i> = 0.06, <i>P</i> = 0.29). In men, serum ALT correlated positively with fat mass index (<i>r</i> = 0.23, <i>P</i> = 0.004) and lean mass index (<i>r</i> = 0.32, <i>P</i> < 0.0001). In women, ALT correlated with lean mass index (<i>r</i> = 0.13, <i>P</i> = 0.031) but not fat mass index (<i>r</i> = 0.003, <i>P</i> = 0.96). In a multivariate model adjusted for age and fat mass index, a 1-unit increase in lean mass index associated with a 0.37 U/L higher ALT in the male subgroup (95% CI 0.024 to 0.040, <i>P</i> < 0.0001). In conclusion, serum ALT was associated with body fat mass index in men and with lean mass index in men and women in an overweight and obese population. The findings also demonstrate a gender difference in the role of fat.en_US
dc.descriptionSource at <a href=https://doi.org/10.1155/2019/1695874>https://doi.org/10.1155/2019/1695874. </a>en_US
dc.identifier.citationBekkelund, S.I. & Jorde, R. (2019). Alanine aminotransferase and body composition in obese men and women. <i>Disease Markers, 2019</i>, 1695874. https://doi.org/10.1155/2019/1695874en_US
dc.identifier.cristinIDFRIDAID 1736562
dc.identifier.doi10.1155/2019/1695874
dc.identifier.issn0278-0240
dc.identifier.issn1875-8630
dc.identifier.urihttps://hdl.handle.net/10037/16479
dc.language.isoengen_US
dc.publisherHindawien_US
dc.relation.journalDisease Markers
dc.rights.accessRightsopenAccessen_US
dc.subjectVDP::Medical disciplines: 700::Basic medical, dental and veterinary science disciplines: 710en_US
dc.subjectVDP::Medisinske Fag: 700::Basale medisinske, odontologiske og veterinærmedisinske fag: 710en_US
dc.titleAlanine aminotransferase and body composition in obese men and womenen_US
dc.typeJournal articleen_US
dc.typeTidsskriftartikkelen_US
dc.typePeer revieweden_US


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