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Walker, A. ; Lucio, M. ; Pfitzner, B. ; Scheerer, M.F. ; Neschen, S. ; Hrabě de Angelis, M. ; Hartmann, A. ; Schmitt-Kopplin, P.

The importance of sulfur-containing metabolites in discriminating fecal extracts between normal and type 2 diabetic mice.

J. Proteome Res. 13, 4220-4231 (2014)
DOI PMC
Open Access Green möglich sobald Postprint bei der ZB eingereicht worden ist.
A metabolic disorder such as Type 2 Diabetes mellitus (T2DM) is a complex disease induced by genetic, environmental and nutritional factors. The db/db mouse model, bearing a non-functional leptin receptor is widely used to investigate the pathophysiology of T2DM. Fecal extracts of db/db and wild type littermates were studied to unravel a broad spectrum of new and relevant metabolites related to T2DM as proxies of the interplay of gut microbiome and murine metabolomes. The non-targeted metabolomics approach consists of an integrated analytical concept of high-resolution mass spectrometry FT-ICR-MS followed by UPLC-TOF-MS/MS experiments. We demonstrate that a metabolic disorder such as T2DM affects the gastrointestinal tract environment thereby influencing different metabolic pathways and their respective metabolites in diabetic mice. Fatty acids, bile acids concerning cholic and deoxycholic acid and steroid metabolism were highly discriminative comparing fecal metabolomes of wt and db/db mice. Furthermore, sulfur-(S)-containing metabolites including N-acyl taurines were altered in diabetic mice, enabling to focus on S-containing metabolites, especially the sulfate and taurine conjugates of bile and fatty acids. Different sulfate containing bile acids including sulfocholic acid, oxocholic acid sulfate, taurocholic acid sulfate and cyprinol sulfate were significantly altered in diabetic mice. Moreover, we identified twelve new sulfate and taurine conjugates of hydroxylated fatty acids with significant importance in T2DM metabolism in db/db mice.
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Publikationstyp Artikel: Journalartikel
Dokumenttyp Wissenschaftlicher Artikel
Schlagwörter Type 2 Diabetes, db/db mice, metabolomics, high-resolution mass spectrometry, meta-metabolome, sulfur-containing metabolites, FT-ICR-MS; Chromatography-mass Spectrometry; N-acyl Taurines; Db/db Mice; Metabolomics Data; Mutant Mice; Mouse; Bile; Rat; Plasma; Urine
Sprache englisch
Veröffentlichungsjahr 2014
HGF-Berichtsjahr 2014
ISSN (print) / ISBN 1535-3893
e-ISSN 1535-3907
Zeitschrift Journal of Proteome Research
Quellenangaben Band: 13, Heft: 10, Seiten: 4220-4231 Artikelnummer: , Supplement: ,
Verlag American Chemical Society (ACS)
Verlagsort Washington
Begutachtungsstatus Peer reviewed
Institut(e) Research Unit BioGeoChemistry and Analytics (BGC)
Research Unit Microbe-Plant Interactions (AMP)
Institute of Experimental Genetics (IEG)
POF Topic(s) 30202 - Environmental Health
20402 - Sustainable Plant Production
30201 - Metabolic Health
90000 - German Center for Diabetes Research
Forschungsfeld(er) Environmental Sciences
Genetics and Epidemiology
PSP-Element(e) G-504800-001
G-504600-001
G-500600-003
G-500600-001
G-501900-062
PubMed ID 24991707
DOI 10.1021/pr500046b
WOS ID WOS:000342719200002
Scopus ID 84907810821
Erfassungsdatum 2014-07-08
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