Abstract
Using a microfluidic chip, we have investigated whether bone marrow mesenchymal stem cells (BM-MSCs) could ameliorate IL-1β/IFN-γ-induced dysfunction of INS-1 cells. BM-MSCs were obtained from diabetes mellitus patients and their cell surface antigen expression profiles were analyzed by flow cytometric. INS-1 cells were cocultured with BM-MSCs on a microfluidic chip with persistent perfusion of medium containing 1 ng/mL IL-1β and 2.5 U/mL IFN-γ for 72 h. BM-MSCs could partially rescue INS-1 cells from cytokine-induced dysfunction and ameliorate the expression of insulin and PDX-1 gene in INS-1 cells. Thus BM-MSCs can be viewed as a promising stem cell source to depress inflammatory factor-induced dysfunction of pancreatic β cells in diabetic patients.
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