Hankir, M.K.* ; Kranz, M.* ; Keipert, S. ; Weiner, J.* ; Andreasen, S.G.* ; Kern, M.J.* ; Patt, M.* ; Kloeting, N.* ; Heiker, J.T.* ; Brust, P.* ; Hesse, S.* ; Jastroch, M. ; Fenske, W.K.*
     
    
        
Dissociation between brown adipose tissue 18F-FDG uptake and thermogenesis in uncoupling protein 1 deficient mice.
    
    
        
    
    
        
        J. Nucl. Med. 58, 1100-1103 (2017)
    
    
    
      
      
	
	    F-18-FDG PET imaging is routinely used to investigate brown adipose tissue (BAT) thermogenesis, which requires mitochondrial uncoupling protein 1 (UCP1). It remains uncertain, however, whether BAT F-18-FDG uptake is a reliable surrogate measure of UCP1-mediated heat production. Methods: UCP1 knockout (KO) and wild-type (WT) mice housed at thermoneutrality were treated with the selective beta 3 adrenergic receptor agonist CL 316, 243 and under-went metabolic cage, infrared thermal imaging and F-18-FDG PET/MRI experiments. Primary brown adipocytes were additionally examined for their bioenergetics by extracellular flux analysis as well as their uptake of 2-deoxy-H-3-glucose. Results: In response to CL 316, 243 treatments, oxygen consumption, and BAT thermogenesis were diminished in UCP1 KO mice, but BAT F-18-FDG uptake was fully retained. Isolated UCP1 KO brown adipocytes exhibited defective induction of uncoupled respiration whereas their glycolytic flux and 2-deoxy-H-3-glucose uptake rates were largely unaffected. Conclusion: Adrenergic stimulation can increase BAT F-18-FDG uptake independently of UCP1 thermogenic function.
	
	
	    
	
       
      
	
	    
		Impact Factor
		Scopus SNIP
		Web of Science
Times Cited
		Scopus
Cited By
		Altmetric
		
	     
	    
	 
       
      
     
    
        Publication type
        Article: Journal article
    
 
    
        Document type
        Scientific Article
    
 
    
        Thesis type
        
    
 
    
        Editors
        
    
    
        Keywords
        Animal Imaging ; Neuroendocrine ; Pet/mri ; Brown Adipose Tissue ; Glucose Metabolism ; Thermogenesis ; Uncoupling Protein 1; Glucose-utilization; Adipocytes; Mouse; Ucp1; Obesity
    
 
    
        Keywords plus
        
    
 
    
    
        Language
        english
    
 
    
        Publication Year
        2017
    
 
    
        Prepublished in Year
        
    
 
    
        HGF-reported in Year
        2017
    
 
    
    
        ISSN (print) / ISBN
        0161-5505
    
 
    
        e-ISSN
        1535-5667
    
 
    
        ISBN
        
    
    
        Book Volume Title
        
    
 
    
        Conference Title
        
    
 
	
        Conference Date
        
    
     
	
        Conference Location
        
    
 
	
        Proceedings Title
        
    
 
     
	
    
        Quellenangaben
        
	    Volume: 58,  
	    Issue: 7,  
	    Pages: 1100-1103 
	    Article Number: ,  
	    Supplement: ,  
	
    
 
    
        
            Series
            
        
 
        
            Publisher
            Society of Nuclear Medicine and Molecular Imaging
        
 
        
            Publishing Place
            Reston
        
 
	
        
            Day of Oral Examination
            0000-00-00
        
 
        
            Advisor
            
        
 
        
            Referee
            
        
 
        
            Examiner
            
        
 
        
            Topic
            
        
 
	
        
            University
            
        
 
        
            University place
            
        
 
        
            Faculty
            
        
 
    
        
            Publication date
            0000-00-00
        
 
         
        
            Application date
            0000-00-00
        
 
        
            Patent owner
            
        
 
        
            Further owners
            
        
 
        
            Application country
            
        
 
        
            Patent priority
            
        
 
    
        Reviewing status
        Peer reviewed
    
 
     
    
        POF-Topic(s)
        30201 - Metabolic Health
90000 - German Center for Diabetes Research
    
 
    
        Research field(s)
        Helmholtz Diabetes Center
    
 
    
        PSP Element(s)
        G-502200-001
G-501900-221
    
 
    
        Grants
        
    
 
    
        Copyright
        
    
 	
    
    
    
    
    
        Erfassungsdatum
        2017-07-27