Figure 6From: Enhancement of periodontal tissue regeneration by transplantation of osteoprotegerin-engineered periodontal ligament stem cells Images of periodontal ligament stem cells transfected with pLENTi6.3/V5-hOPG-IRES-EGFP plasmid. (A) Bright field image. (B) Fluorescent microscope image. Magnification: 100×. EGFP, enhanced green fluorescent protein; hOPG, human osteoprotegerin; IRES, internal ribosome entry site.Back to article page