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Mastrokolias, A.* ; Pool, R.* ; Mina, E.* ; Hettne, K.M.* ; van Duijn, E.* ; van der Mast, R.C.* ; van Ommen, G.J.* ; ‘t Hoen, P.A.C.* ; Prehn, C. ; Adamski, J. ; van Roon-Mom, W.*

Integration of targeted metabolomics and transcriptomics identifies deregulation of phosphatidylcholine metabolism in Huntington’s disease peripheral blood samples.

Metabolomics 12:137 (2016)
Verlagsversion Forschungsdaten DOI PMC
Open Access Hybrid
Creative Commons Lizenzvertrag
Introduction: Metabolic changes have been frequently associated with Huntington’s disease (HD). At the same time peripheral blood represents a minimally invasive sampling avenue with little distress to Huntington’s disease patients especially when brain or other tissue samples are difficult to collect. Objectives: We investigated the levels of 163 metabolites in HD patient and control serum samples in order to identify disease related changes. Additionally, we integrated the metabolomics data with our previously published next generation sequencing-based gene expression data from the same patients in order to interconnect the metabolomics changes with transcriptional alterations. Methods: This analysis was performed using targeted metabolomics and flow injection electrospray ionization tandem mass spectrometry in 133 serum samples from 97 Huntington’s disease patients (29 pre-symptomatic and 68 symptomatic) and 36 controls. Results: By comparing HD mutation carriers with controls we identified 3 metabolites significantly changed in HD (serine and threonine and one phosphatidylcholine—PC ae C36:0) and an additional 8 phosphatidylcholines (PC aa C38:6, PC aa C36:0, PC ae C38:0, PC aa C38:0, PC ae C38:6, PC ae C42:0, PC aa C36:5 and PC ae C36:0) that exhibited a significant association with disease severity. Using workflow based exploitation of pathway databases and by integrating our metabolomics data with our gene expression data from the same patients we identified 4 deregulated phosphatidylcholine metabolism related genes (ALDH1B1, MBOAT1, MTRR and PLB1) that showed significant association with the changes in metabolite concentrations. Conclusion: Our results support the notion that phosphatidylcholine metabolism is deregulated in HD blood and that these metabolite alterations are associated with specific gene expression changes.
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Publikationstyp Artikel: Journalartikel
Dokumenttyp Wissenschaftlicher Artikel
Schlagwörter Metabolomics; Gene expression; Biomarkers; Disease progression; Neurodegenerative; Integrated analysis; Methionine Synthase Reductase; Acid Rat Model; Genome-wide; Neuropsychiatric Diseases; Alzheimers-disease; Mutant Huntingtin; Gene-expression; Transgenic Mice; Energy Deficit; Brain-injury
Sprache deutsch
Veröffentlichungsjahr 2016
HGF-Berichtsjahr 2016
ISSN (print) / ISBN 1573-3882
e-ISSN 1573-3890
Zeitschrift Metabolomics
Quellenangaben Band: 12, Heft: 8, Seiten: , Artikelnummer: 137 Supplement: ,
Verlag Springer
Verlagsort New York, NY
Begutachtungsstatus Peer reviewed
Institut(e) Molekulare Endokrinologie und Metabolismus (MEM)
POF Topic(s) 30201 - Metabolic Health
Forschungsfeld(er) Genetics and Epidemiology
PSP-Element(e) G-505600-003
PubMed ID 27524956
DOI 10.1007/s11306-016-1084-8
WOS ID WOS:000381083100011
Scopus ID 84979657059
Erfassungsdatum 2016-08-05
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