REVERSAL OF DIABETES IN RATS USING FETAL PANCREASES STORED AT −196 ,C

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Abstract
Fetal rat pancreases frozen to and stored at -196.degree. C were used for transplantation into streptozotocin-induced diabetic syngeneic adult recipients. Transplantation was carried out either directly after thawing from -196.degree. C, or after a 21 day growth period in a syngeneic, normoglycemic adult carrier. All transplants were placed under the kidney capsule. A single, frozen fetal rudiment was sufficient to restore blood glucose, urine volume, and urine glucose to normal, provided it had first been grown for 21 days in a normal carrier. In vitro perfusion studies showed that fetal pancreases stored at -196.degree. C were equivalent to fresh rudiments in their responses to a glucose stimulus.

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