Insulin in its Infancy: Dogs and Diabetes

This Day In History: On August 31, 1921, in the early days of his research, one of Frederick Banting’s beloved test subjects died. Referred to in his notes as “Dog 92,” the collie provided Banting’s first real success during his research. The dog lived for twenty days without a pancreas, surviving with an extract Banti…ng and Best called “isletin.”
When Dog 92 died, Banting cried. He always loved and appreciated the sacrifice the dogs were making so that humans might live. “I shall never forget that dog as long as I shall live,” Banting wrote of Dog 92 in 1940, “…when that dog died I wanted to be alone for the tears would fall despite anything I could do.”

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