Protocol to request
            
                Measurement of signaling pathway reporter activities
                
                
            
        
        
            
                Research article
            
            
                Opposing JAK-STAT and Wnt signaling gradients define a stem cell domain by regulating differentiation at two borders
                
            
            
            
                David Melamed et al.
            
            
                DOI: 10.7554/eLife.61204