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Mook-Kanamori, D.O.* ; de Mutsert, R.* ; Rensen, P.C.* ; Prehn, C. ; Adamski, J. ; Heijer, M.D.* ; le Cessie, S.* ; Suhre, K. ; Rosendaal, F.R.* ; van Dijk, K.W.*

Type 2 diabetes is associated with postprandial amino acid measures.

Arch. Biochem. Biophys. 589, 138-144 (2015)
Postprint DOI
Open Access Green
Most studies examining the association between type 2 diabetes (T2D) and amino acids have focused on fasting concentrations. We hypothesized that, besides fasting concentrations, amino acid responses to a standardized meal challenge are also associated with T2D. In a cross-sectional study of 525 participants (165 newly-diagnosed T2D, 186 newly-diagnosed impaired fasting glycaemia, and 174 normal fasting glucose), we examined postprandial amino acid concentrations and the responses (defined as the concentrations and responses 150 minutes after a standardized meal) of fourteen amino acids in relation to T2D. T2D was associated with lower postprandial concentration of seven amino acids compared to the normal fasting glucose group (lowest effect estimate for serine: -0.54 standard deviations (SD) (95% CI: -0.77, -0.32)), and higher concentrations of phenylalanine, tryptophan, tyrosine and (iso-)leucine (highest effect estimate for (iso-)leucine: 0.44 SD (95% CI: 0.20, 0.67)). Regarding the meal responses, T2D was associated with lower responses of seven amino acids (ranging from -0.55 SD ((95% CI): -0.78, -0.33) for serine to -0.25 SD ((95% CI: 0.-0.45, -0.02) for ornithine). We conclude that T2D is associated with postprandial concentrations of amino acids and a reduced amino acid meal response, indicating that these measures may also be potential markers of T2D.
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Publikationstyp Artikel: Journalartikel
Dokumenttyp Wissenschaftlicher Artikel
Schlagwörter Type 2 Diabetes ; Amino Acids ; Epidemiology ; Meal Response ; Metabolomics
ISSN (print) / ISBN 0003-9861
e-ISSN 1096-0384
Quellenangaben Band: 589, Heft: , Seiten: 138-144 Artikelnummer: , Supplement: ,
Verlag Elsevier
Begutachtungsstatus Peer reviewed