Figure 2From: Retention of progenitor cell phenotype in otospheres from guinea pig and mouse cochleaIndirect immunofluorescence of mouse or guinea pig otospheres from first or second passage, cultivated in the presence of either bFGF or TGFα, as indicated. The neural stem cell markers, sox2 and nestin, were used to label the cells. DAPI identifies cell nuclei. Scale bar 10 μm.Back to article page