RBFOX3 and myeloid sarcoma: Confocal microscopy of the immunofluorescently stained cells revealed that most newborn cells (BrdU+ve) in both MS and EH groups co-localized with NeuN (see Fig. 6), a marker of mature neurons (83% in MS kindled vs 75% in EH kindled rats; p<0.05, Fig. 7).