Chinese Journal of Tissue Engineering Research ›› 2013, Vol. 17 ›› Issue (6): 1024-1028.doi: 10.3969/j.issn.2095-4344.2013.06.013

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Differentiation of adipose-derived stem cells into functional islet-like cells using Conophlline and Nicotinamide

Yang Ping1, Zheng Qin-long2, Wang Jin-feng1, Huang Jia-xue1, 3, 4   

  1. 1 School of Pharmaceutical Science and Technology, Tianjin University, Tianjin 300072, China
    2 Nordic Bioscience (Beijing) Ltd., Beijing 102206, China
    3 Union Stem Cell & Gene Engineering Co., Ltd., Tianjin 300384, China
    4 Zhongyuan Union Stem Cell Bioengineering Stock Company, Tianjin 30050, China
  • Received:2012-05-23 Revised:2012-06-27 Online:2013-02-05 Published:2013-02-05
  • Contact: Huang Jia-xue, Professor, School of Pharmaceutical Science and Technology, Tianjin University, Tianjin 300072, China; Union Stem Cell & Gene Engineering Co., Ltd., Tianjin 300384, China; Zhongyuan Union Stem Cell Bioengineering Stock Company, Tianjin 30050, China jiaxue@gmail.com
  • About author:Yang Ping★, Candidate for master’s degree of science, School of Pharmaceutical Science and Technology, Tianjin University, Tianjin 300072, China yangping0531@163.com

Abstract:

BACKGROUND: Allogenic islet transplantation for type 1 diabetes is limited by shortage of donor islet cells and immune suppression, bioengineered islet-like clusters developed from autogenic stem cells might benefit diabetic patients by immunorejection free and off-shelf cellular treatment.
OBJECTIVE: To investigate whether adipose tissue from adults have the potential to differentiate into insulin secreting, glucose responsive, functional islet-like clusters and to develop a practical approach for islet bioengineering in vitro.
METHODS: Human adipose stem cells were isolated, cultured and expanded from human subcutaneous adipose tissue. Conophylline, a new plant derived inducer, in combination with other factors were used to induce human adipose stem cells into islet-like clusters and their efficiencies for islet-like clusters generation were compared. Differentiated cells were identified by tissue specific surface marker staining, reverse transcription-PCR and immunocytochemistry at protein and mRNA level. Finally, insulin secretion of cell clusters in different glucose concentrations was tested with enzyme-linked immunosorbent assay.
RESULTS AND CONCLUSION: Multipotential adipose stem cells were cultured and expanded from adult subcutaneous adipose tissues. Those stem cells were conveniently differentiated into glucose responsive and insulin-secreting functional islet-like clusters. Conophylline in combination with Nicotinamide have the best efficiency of differentiating human adipose stem cells into islet cells.

Key words: stem cells, adipose-derived stem cells, nicotinamide, conophlline, adipose-derived stem cells, islet-like cells, diabetes, insulin, differentiation, efficient induction, islet differentiation, stem cell photographs-containing paper

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