Kjell, J. ; Fischer-Sternjak, J. ; Thompson, A.J.* ; Friess, C.* ; Sticco, M.J.* ; Salinas, F.* ; Cox, J.* ; Martinelli, D.C.* ; Ninkovic, J. ; Franze, K.* ; Schiller, H. B. ; Götz, M.
     
 
    
        
Defining the adult neural stem cell niche proteome identifies key regulators of adult neurogenesis.
    
    
        
    
    
        
        Cell Stem Cell 26, 277-293.e8 (2020)
    
    
    
		
		
			
				The mammalian brain contains few niches for neural stem cells (NSCs) capable of generating new neurons, whereas other regions are primarily gliogenic. Here we leverage the spatial separation of the sub-ependymal zone NSC niche and the olfactory bulb, the region to which newly generated neurons from the sub-ependymal zone migrate and integrate, and present a comprehensive proteomic characterization of these regions in comparison to the cerebral cortex, which is not conducive to neurogenesis and integration of new neurons. We find differing compositions of regulatory extracellular matrix (ECM) components in the neurogenic niche. We further show that quiescent NSCs are the main source of their local ECM, including the multi-functional enzyme transglutaminase 2, which we show is crucial for neurogenesis. Atomic force microscopy corroborated indications from the proteomic analyses that neurogenic niches are significantly stiffer than non-neurogenic parenchyma. Together these findings provide a powerful resource for unraveling unique compositions of neurogenic niches.
			
			
				
			
		 
		
			
				
					
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        Publikationstyp
        Artikel: Journalartikel
    
 
    
        Dokumenttyp
        Wissenschaftlicher Artikel
    
 
    
        Typ der Hochschulschrift
        
    
 
    
        Herausgeber
        
    
    
        Schlagwörter
        C1ql3 ; Cerebral Cortex ; Extracellular Matrix ; Neuroblast ; Olfactory Bulb ; S100a6 ; Subventricular Zone ; Tissue Stiffness ; Transglutaminase2 ; Transit-amplifying Progenitor; Mouse Subependymal Zone; Extracellular-matrix; Progenitor Cells; Neuronal Differentiation; Tenascin-c; Rat-brain; Migration; Lineage; Transplantation; Proliferation
    
 
    
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        Sprache
        englisch
    
 
    
        Veröffentlichungsjahr
        2020
    
 
    
        Prepublished im Jahr 
        
    
 
    
        HGF-Berichtsjahr
        2020
    
 
    
    
        ISSN (print) / ISBN
        1934-5909
    
 
    
        e-ISSN
        1875-9777
    
 
    
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	    Band: 26,  
	    Heft: 2,  
	    Seiten: 277-293.e8 
	    Artikelnummer: ,  
	    Supplement: ,  
	
    
 
  
        
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            Verlag
            Cell Press
        
 
        
            Verlagsort
            Cambridge, Mass.
        
 
	
        
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        Begutachtungsstatus
        Peer reviewed
    
 
     
    
        POF Topic(s)
        30204 - Cell Programming and Repair
80000 - German Center for Lung Research
    
 
    
        Forschungsfeld(er)
        Stem Cell and Neuroscience
Lung Research
    
 
    
        PSP-Element(e)
        G-500800-001
G-501800-810
    
 
    
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        Erfassungsdatum
        2020-02-26