The pancreas ductal epithelioid cells induced with medium free of serum for 7 d start differentiating to islet-like cells that positive stain with anti-insulin antibody.

• 经过无血清诱导培养基诱导7 d后,胰腺导管上皮样细胞开始向胰岛素分泌细胞分化,胰岛素抗体染色阳性。