Open Access Green as soon as Postprint is submitted to ZB.
		
    Sonic hedgehog facilitates dopamine differentiation in the presence of a mesencephalic glial cell line.
        
        J. Neurosci. 21, 4326-4335 (2001)
    
    
    
	    The aim of this study was to establish a cellular system to investigate the requirement for cell surface and diffusible molecules in the differentiation of fetal mesencephalic cells toward the dopamine lineage. Toward this end, we immortalized rat embryonic day 14 (E14) mesencephalon with a regulatable retroviral vector encoding v-myc. The stably transduced cells were pooled and designated as VME14 cells. VME14 cells proliferated rapidly, stopped proliferating, extended processes, and expressed GFAP after suppression of the v-myc expression with tetracycline, suggesting that VME14 cells differentiated into glial cells. Dissociated cells derived from the E11 rat mesencephalon gave rise to only a small number of tyrosine hydroxylase (TH)-positive neurons. However, when grown on a monolayer of the differentiated VME14 cells, a significantly higher number of cells differentiated into TH-positive neurons. VME14 cells were transduced with the secreted N-terminal cleavage product of the Sonic hedgehog gene (SHH-N), an inducer of mesencephalic dopaminergic neurons. This monoclonal, SHH-N-overexpressing cell line further enhanced dopaminergic differentiation of E11 rat mesencephalon cells. Thus, SHH-N and signals derived from fetal mesencephalic glia act cooperatively to facilitate dopaminergic differentiation. These fetal mesencephalon-derived cell lines will provide tools for the study of signals involved in dopaminergic differentiation.
	
	
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        Publication type
        Article: Journal article
    
 
    
        Document type
        Scientific Article
    
 
     
    
     
     
    
    
        Language
        english
    
 
    
        Publication Year
        2001
    
 
     
    
        HGF-reported in Year
        0
    
 
    
    
        ISSN (print) / ISBN
        0270-6474
    
 
    
        e-ISSN
        1529-2401
    
 
    
     
     
	     
	 
	 
    
        Journal
        Journal of Neuroscience
    
 
	
    
        Quellenangaben
        
	    Volume: 21,  
	    Issue: 12,  
	    Pages: 4326-4335 
	    
	    
	
    
 
    
         
        
            Publisher
            Society for Neuroscience
        
 
         
	
         
         
         
         
         
	
         
         
         
    
         
         
         
         
         
         
         
    
        Reviewing status
        Peer reviewed
    
 
    
        Institute(s)
        Institute of Developmental Genetics (IDG)
    
 
     
     
     
     
     	
    
        PubMed ID
        11404418
    
    
        Erfassungsdatum
        2001-12-31