Homing of <t>MSCs</t> in pancreas. (A) Primary culture of MSCs showing many spindle-shaped stem cells (white arrows) ×200. (B) Fluorescent microscopic image of a section in pancreas of rat in group III demonstrating the green fluorescence of MSCs labeled with <t>GFP</t> two week after implantation (white arrows) ×200. (C) Flow cytometric chart analysis for surface antigens of MSCs. They were positive for CD29 and CD90. 