“…Our findings, which confirm a good insular function of pancreatic grafts, agree with previous studies on the subject [2,12,13,14,15,16,19,24,25,31,32]. Moreover, we have demonstrated that not only the B-cellular system but also the D-and extrainsular endocrine system are well preserved.…”
Section: Discussionsupporting
confidence: 92%
“…From 1965 onward, several contributions concerning this subject [2,9,12,13,14,15,16,19,21,24,25,28,31,32] have remarkably increased our present knowledge of its technical, biological and functional aspects.…”
“…Our findings, which confirm a good insular function of pancreatic grafts, agree with previous studies on the subject [2,12,13,14,15,16,19,24,25,31,32]. Moreover, we have demonstrated that not only the B-cellular system but also the D-and extrainsular endocrine system are well preserved.…”
Section: Discussionsupporting
confidence: 92%
“…From 1965 onward, several contributions concerning this subject [2,9,12,13,14,15,16,19,21,24,25,28,31,32] have remarkably increased our present knowledge of its technical, biological and functional aspects.…”
“…Abnormal glucose homeostasis might be expected if the route of insulin secretion is altered. Some workers have reported hyperinsulinaemia and hypoglycaemia following heterotopic pancreatic transplantation and intraperitoneal isolated islet cell transplantation (Bergan & Teixeira, 1967;Sells, Calne, Hadjiyanakis & Marshall, 1972;Weber, Hardy, Lerner, Felig & Reemtsma, 1976a). This has been ascribed to the secretion of insulin into the systemic circulation and denervation of the transplanted tissue.…”
Intraperitoneal transplantation of collagenase-digested, isogeneic, neonatal rat pancreatic tissue successfully reversed streptozotocin-induced diabetes in 77% of recipients. The low serum immunoreactive insulin, hyperglycaemia, glycosuria and weight loss, characteristic of the diabetic animal, were corrected and the reduced activities of hepatic glucokinase and pyruvate kinase, and the low glycogen concentration of the liver of diabetic rats were restored to normal. Forty-three per cent of the successfully transplanted rats became normoglycaemic within 1 month of transplantation whereas 57% took from 1 to 6 months to achieve normoglycaemia and displayed a mild glucose intolerance when subjected to a glucose load. The rats which had not become normoglycaemic 6 months after transplantation showed some amelioration of the diabetic state, as shown by increased serum immunoreactive insulin and hepatic glycogen concentration and a slow weight gain compared with diabetic controls.
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