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In spite of certain clinical limitations, such as teratoma formation, the use of stem cells is considered as an appropriate source in cell therapy and tissue engineering. This study shows human endometrial stem cells (hEnSCs) has exceptional differentiation ability in hepatocyte formation. hEnSCs have high purification rate and immune-tolerance, and can be used as an appropriate substitute for hepatocytes in liver disorders. Differentiation required hepatogenic medium. Quantitative reverse transcription-polymerase chain reaction and immunofluorescent staining of hepatic genes and proteins including cytokeratin 18 (ck18), alpha-fetoprotein (afp), and albumin (alb) were used to assess differentiation. Cells differentiated with a hepatocyte-like morphology and expressed hepatic markers on 30 days of differentiation. The Periodic Acid-Schiff (PAS) reaction showed storage of glycogen, and albumin and afp secretions were also detected. In vitro hEnSCs behave like hepatocyte after differentiation and may be a suitable source of cells in liver regeneration.

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