Integrative analyses of circulating proteins and metabolites reveal sex differences in the associations with cardiac function among DCM patients
Dilated cardiomyopathy (DCM) is characterized by reduced left ventricular ejection fraction (LVEF) and left or biventricular dilatation. We evaluated sex-specific associations of circulating proteins and metabolites with structural and functional heart parameters in DCM. Plasma samples (297 men, 71...
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| Hauptverfasser: | , , , , , , , , , , , , |
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| Dokumenttyp: | Article (Journal) |
| Sprache: | Englisch |
| Veröffentlicht: |
21 June 2024
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| In: |
International journal of molecular sciences
Year: 2024, Jahrgang: 25, Heft: 13, Pages: 1-18 |
| ISSN: | 1422-0067 |
| DOI: | 10.3390/ijms25136827 |
| Online-Zugang: | Verlag, kostenfrei, Volltext: https://doi.org/10.3390/ijms25136827 Verlag, kostenfrei, Volltext: https://www.mdpi.com/1422-0067/25/13/6827 
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| Verfasserangaben: | Anke Hannemann, Sabine Ameling, Kristin Lehnert, Marcus Dörr, Stephan B. Felix, Matthias Nauck, Muna N. Al-Noubi, Frank Schmidt, Jan Haas, Benjamin Meder, Uwe Völker, Nele Friedrich and Elke Hammer |
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| 245 | 1 | 0 | |a Integrative analyses of circulating proteins and metabolites reveal sex differences in the associations with cardiac function among DCM patients |c Anke Hannemann, Sabine Ameling, Kristin Lehnert, Marcus Dörr, Stephan B. Felix, Matthias Nauck, Muna N. Al-Noubi, Frank Schmidt, Jan Haas, Benjamin Meder, Uwe Völker, Nele Friedrich and Elke Hammer |
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| 520 | |a Dilated cardiomyopathy (DCM) is characterized by reduced left ventricular ejection fraction (LVEF) and left or biventricular dilatation. We evaluated sex-specific associations of circulating proteins and metabolites with structural and functional heart parameters in DCM. Plasma samples (297 men, 71 women) were analyzed for proteins using Olink assays (targeted analysis) or LC-MS/MS (untargeted analysis), and for metabolites using LC MS/MS (Biocrates AbsoluteIDQ p180 Kit). Associations of proteins (n = 571) or metabolites (n = 163) with LVEF, measured left ventricular end diastolic diameter (LVEDDmeasured), and the dilation percentage of LVEDD from the norm (LVEDDacc. to HENRY) were examined in combined and sex-specific regression models. To disclose protein-metabolite relations, correlation analyses were performed. Associations between proteins, metabolites and LVEF were restricted to men, while associations with LVEDD were absent in both sexes. Significant metabolites were validated in a second independent DCM cohort (93 men). Integrative analyses demonstrated close relations between altered proteins and metabolites involved in lipid metabolism, inflammation, and endothelial dysfunction with declining LVEF, with kynurenine as the most prominent finding. In DCM, the loss of cardiac function was reflected by circulating proteins and metabolites with sex-specific differences. Our integrative approach demonstrated that concurrently assessing specific proteins and metabolites might help us to gain insights into the alterations associated with DCM. | ||
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