Open Access Differentiation of Mouse Pancreatic Stem Cells Into Insulin-Producing Cells by Recombinant Sendai Virus-Mediated Gene Transfer Technology

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Abstract:

Islet transplantation, including β-cells, has proven to be effective for diabetes in many recent studies; however, this treatment strategy requires sufficient organ donors. One attractive approach for the generation of β-cells is to utilize the expansion and differentiation of cells from pancreatic stem cells (PSCs), which are closely associated to the β-cells lineage. In this study, we investigated whether important transcription factors (Pdx-1, Ngn3, NeuroD, and MafA) in islet cells could be efficiently transduced into mouse PSCs (mPSCs) using Sendai virus (SeV) vectors and found that the transduced cells were differentiated into insulin-producing pancreatic β-cells. The mPSCs transduced with single transcription factors using SeV vectors could not express the insulin-2 mRNA. When combinations of two transcription factors were transduced using the SeV vectors, including combinations of Pdx-1 + NeuroD, Pdx-1 + MafA, and NeuroD + MafA, the expression of insulin-2 mRNA was low but could be detected. When combinations of three or more transcription factors were transduced using SeV vectors, the expression of insulin-2 mRNA could be detected. In particular, the transduction of the combination of PDX-1, NeuroD, and MafA produced the most effective for the expression of insulin-2 mRNA out of all of the different combinations examined. These data suggest that the transduction of transcription factors using SeV vectors facilitates mPSC differentiation into insulin-producing cells and showed the possibility of regenerating β-cells by using transduced PSCs.

Keywords: Insulin-producing cells; Islet transplantation; Pancreatic stem cells (PSCs); Sendai virus (SeV)

Document Type: Research Article

DOI: http://dx.doi.org/10.3727/215517912X639487

Publication date: January 1, 2012

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  • The importance of translating original, peer-reviewed research and review articles on the subject of cell therapy and its application to human diseases to society has led to the formation of the journal Cell Medicine. To ensure high-quality contributions from all areas of transplantation, the same rigorous peer review will be applied to articles published in Cell Medicine. Articles may deal with a wide range of topics including physiological, medical, preclinical, tissue engineering, and device-oriented aspects of transplantation of nervous system, endocrine, growth factor-secreting, bone marrow, epithelial, endothelial, and genetically engineered cells, and stem cells, among others. Basic clinical studies and immunological research papers may also be featured if they have a translational interest. To provide complete coverage of this revolutionary field, Cell Medicine will report on relevant technological advances and their potential for translational medicine. Cell Medicine will be a purely online Open Access journal. There will therefore be an inexpensive publication charge, which is dependent on the number of pages, in addition to the charge for color figures. This will allow your work to be disseminated to a wider audience and also entitle you to a free PDF, as well as prepublication of an unedited version of your manuscript.

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