Controlling the blood glucose of type 1 diabetes mice by co‐culturing MIN‐6 β cells on 3D scaffold
2015
T1D is an autoimmune disease, which may be caused by lack of insulin-secreting β cells due to damage of autoimmune system. Living with T1D is a challenge for the child and the family; cell transplantation is a treatment option for diabetes in children. To establish a microenvironment suitable for cell growth and proliferation as well as for sustained cellular function, we used MIN-6 β cells as seed cells and SF-IV collagen as a 3D composite scaffold to construct artificial pancreas in this experiment. The cell viabilities were determined by MTT assay, and the response of cells to different glucose concentrations was observed by glucose stimulation test. Artificial pancreas was transplanted into the abdominal cavity of T1D mice, and the changes of blood glucose were monitored. After 10 days, insulin expression was detected by immunohistochemical method, and the claybank stained area showed effectiveness of insulin secretion. A series of experiments showed that implantation of 3D cell scaffold into the abdominal cavity can effectively control the blood glucose level of T1D mice. It also had longer-lasting hypoglycemic effects than simple cell transplantation, which was expected to become a new method for the treatment of T1D.
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