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Tofte, N.* ; Vogelzangs, N.* ; Mook-Kanamori, D.* ; Brahimaj, A.* ; Nano, J. ; Ahmadizar, F.* ; Willems van Dijk, K.* ; Frimodt-Møller, M.* ; Arts, I.* ; Beulens, J.W.J.* ; Rutters, F.* ; van der Heijden, A.A.* ; Kavousi, M.* ; Stehouwer, C.D.A.* ; Nijpels, G.* ; Van Greevenbroek, M.M.J.* ; van der Kallen, C.J.H.* ; Rossing, P.* ; Ahluwalia, T.S.* ; 't Hart, L.M.*

Plasma metabolomics identifies markers of impaired renal function: A meta-analysis of 3,089 persons with type 2 diabetes.

J. Clin. Endocrinol. Metab. 105:dgaa173 (2020)
Verlagsversion Postprint DOI PMC
Open Access Green
CONTEXT: There is a need for novel biomarkers and better understanding of the pathophysiology of diabetic kidney disease. OBJECTIVE: To investigate associations between plasma metabolites and kidney function in people with type 2 diabetes (T2D). DESIGN: 3089 samples from individuals with T2D, collected between 1999 and 2015, from 5 independent Dutch cohort studies were included. Up to 7 years follow-up was available in 1100 individuals from 2 of the cohorts. MAIN OUTCOME MEASURES: Plasma metabolites (n = 149) were measured by nuclear magnetic resonance spectroscopy. Associations between metabolites and estimated glomerular filtration rate (eGFR), urinary albumin-to-creatinine ratio (UACR), and eGFR slopes were investigated in each study followed by random effect meta-analysis. Adjustments included traditional cardiovascular risk factors and correction for multiple testing. RESULTS: In total, 125 metabolites were significantly associated (PFDR = 1.5×10-32 - 0.046; β = -11.98-2.17) with eGFR. Inverse associations with eGFR were demonstrated for branched-chain and aromatic amino acids (AAAs), glycoprotein acetyls, triglycerides (TGs), lipids in very low-density lipoproteins (VLDL) subclasses, and fatty acids (PFDR < 0.03). We observed positive associations with cholesterol and phospholipids in high-density lipoproteins (HDL) and apolipoprotein A1 (PFDR < 0.05). Albeit some metabolites were associated with UACR levels (P < 0.05), significance was lost after correction for multiple testing. Tyrosine and HDL-related metabolites were positively associated with eGFR slopes before adjustment for multiple testing (PTyr = 0.003; PHDLrelated < 0.05), but not after. CONCLUSIONS: This study identified metabolites associated with impaired kidney function in T2D, implying involvement of lipid and amino acid metabolism in the pathogenesis. Whether these processes precede or are consequences of renal impairment needs further investigation.
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Publikationstyp Artikel: Journalartikel
Dokumenttyp Wissenschaftlicher Artikel
Korrespondenzautor
Schlagwörter Albuminuria ; Meta-analysis ; Metabolomics ; Nmr ; Renal Function
ISSN (print) / ISBN 0021-972X
e-ISSN 1945-7197
Zeitschrift Journal of Clinical Endocrinology & Metabolism, The
Quellenangaben Band: 105, Heft: 7, Seiten: , Artikelnummer: dgaa173 Supplement: ,
Verlag Endocrine Society
Verlagsort Bethesda, Md.
Nichtpatentliteratur Publikationen
Begutachtungsstatus Peer reviewed
Institut(e) Institute of Epidemiology II (EPI2)