Figure 3From: Enhancement of periodontal tissue regeneration by transplantation of osteoprotegerin-engineered periodontal ligament stem cells Immunocytochemical analysis of periodontal ligament stem cells. (A) Positive staining for vimentin. (B) Negative staining for keratin. (C) STOR-1 was partially positively stained. DAPI (4′,6-diamidino-2-phenylindole) was used for staining nuclei. Magnification: 100 ×.Back to article page