Intracerebral xenotransplantation of semipermeable membrane- encapsuled pancreatic islets

Isolated Pancreatic Islets

It is the aim of this study to characterize and quantify the cells within isolated rat islets that express MHC class 11 antigens. A set of five monoelonal antibodies and two polyclonal antisera of defined specificlty were used in combination with a newly devised procedure for three·dimensional immunofluorescence evaluation of intact islets. It is shown that in addition to passen· ger cells, suc...

Isolated Mouse Pancreatic Islets

Inosine is a potent primary stimulus of insulin secretion from isolated mouse islets. The inosine-induced insulin secretion was totally depressed during starvation, but was completely restored by the addition of 5mmi-caffeine to the medium and partially restored by the addition of 5mM-glucose. Mannoheptulose (3mg/ml) potentiated the eflect of lOmM-inosine in islets from fed mice. The mechanism ...

MRI of transplanted pancreatic islets.

A promising treatment method for type 1 diabetes mellitus is transplantation of pancreatic islets containing beta-cells. The aim of this study was to develop an MR technique to monitor the distribution and fate of transplanted pancreatic islets in an animal model. Twenty-five hundred purified and magnetically labeled islets were transplanted through the portal vein into the liver of experimenta...

Cryopreservation of Human Pancreatic Islets

Potential for clinical pancreatic islet xenotransplantation

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