Fig. 2From: The involvement of protein kinase C-ε in isoflurane induced preconditioning of human embryonic stem cell - derived Nkx2.5+ cardiac progenitor cellsImmunostaining with DAPI, and anti-Nkx2.5 was performed to confirm cardiac differentiation of human embryonic stem cells. The merge was the merged image of DAPI and anti-Nkx2.5. Original magnification × 200. Scale bar, 50μmBack to article page