... purposes)RetrovirologyOpen AccessResearch Dicistronic MLV-retroviral vectors transduce neural precursors in vivo and co-express two genes in their differentiated neuronal progenyEdmund A Derrington1, ... head in H, I, J and K). DNA staining with bis-benzimide is shown C, G and J and phase con-trast of the section in A, B and C, and the section in H, I and J, are shown in D and K, respectively. ... PLAP expressing cells most probablycorrespond to ependymocytes, tanycytes and perhaps neural precursor cells interposed among the ependymo-cytes or in the subependymal zone [26-28]. In either...