Wang, Q.* ; Hoene, M.* ; Hu, C.* ; Fritsche, L. ; Ahrends, R.* ; Liebisch, G.* ; Ekroos, K.* ; Fritsche, A. ; Birkenfeld, A.L. ; Liu, X.* ; Zhao, X.* ; Li, Q.* ; Su, B.* ; Peter, A. ; Xu, G.* ; Lehmann, R.
     
 
    
        
Ex vivo instability of lipids in whole blood: Preanalytical recommendations for clinical lipidomics studies.
    
    
        
    
    
        
        J. Lipid Res. 64:100378 (2023)
    
    
    
		
		
			
				Reliability, robustness, and interlaboratory comparability of quantitative measurements is critical for clinical lipidomics studies. Lipids' different ex vivo stability in blood bears the risk of misinterpretation of data. Clear recommendations for the process of blood sample collection are required. We studied by UHPLC-high resolution mass spectrometry, as part of the "Preanalytics interest group" of the International Lipidomics Society, the stability of 417 lipid species in EDTA whole blood after exposure to either 4°C, 21°C, or 30°C at six different time points (0.5 h-24 h) to cover common daily routine conditions in clinical settings. In total, >800 samples were analyzed. 325 and 288 robust lipid species resisted 24 h exposure of EDTA whole blood to 21°C or 30°C, respectively. Most significant instabilities were detected for FA, LPE, and LPC. Based on our data, we recommend cooling whole blood at once and permanent. Plasma should be separated within 4 h, unless the focus is solely on robust lipids. Lists are provided to check the ex vivo (in)stability of distinct lipids and potential biomarkers of interest in whole blood. To conclude, our results contribute to the international efforts towards reliable and comparable clinical lipidomics data paving the way to the proper diagnostic application of distinct lipid patterns or lipid profiles in the future.
			
			
				
			
		 
		
			
				
					
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        Publikationstyp
        Artikel: Journalartikel
    
 
    
        Dokumenttyp
        Wissenschaftlicher Artikel
    
 
    
        Typ der Hochschulschrift
        
    
 
    
        Herausgeber
        
    
    
        Schlagwörter
        Clinical Lipidomics ; Blood ; Lipid Stability ; Preanalytical ; Sample Collection; Human Plasma; Metabolomics; Risk
    
 
    
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        Sprache
        englisch
    
 
    
        Veröffentlichungsjahr
        2023
    
 
    
        Prepublished im Jahr 
        0
    
 
    
        HGF-Berichtsjahr
        2023
    
 
    
    
        ISSN (print) / ISBN
        0022-2275
    
 
    
        e-ISSN
        1539-7262
    
 
    
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	    Band: 64,  
	    Heft: 6,  
	    Seiten: ,  
	    Artikelnummer: 100378 
	    Supplement: ,  
	
    
 
  
        
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            Verlag
            American Society for Biochemistry and Molecular Biology
        
 
        
            Verlagsort
            Radarweg 29, 1043 Nx Amsterdam, Netherlands
        
 
	
        
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        Begutachtungsstatus
        Peer reviewed
    
 
     
    
        POF Topic(s)
        90000 - German Center for Diabetes Research
    
 
    
        Forschungsfeld(er)
        Helmholtz Diabetes Center
    
 
    
        PSP-Element(e)
        G-502400-001
    
 
    
        Förderungen
        
German Federal Ministry of Education and Research (BMBF)
Innovation program
DICP
Youth Innovation Promotion Association CAS
Chinese Academy of Sciences (CAS)-President 's International Fellowship Initiative
DFG/NSFC Sino-German mobility program
National Natural Science Foundation of China
    
 
    
        Copyright
        
    
 	
    
    
    
    
    
        Erfassungsdatum
        2023-10-06