Sites of cleavage of glucagon by insulin-glucagon protease.
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Biomedical subjects
Publications and source records attributed to F K Baskin.
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A 25-year-old obese woman with adult onset diabetes, with known insulin allergy, was evaluated for her insulin response to glucagon. Intravenous injection of glucagon produced severe generlaized allergic reaction. Skin tests with various insulin and glucagon preparations showed allergic reaction to be most pronounced with beef regular single peak and single component insulin, pork regular single peak, beef lente single peak, and neutral regular (beef-pork) single peak insulin. Allergic reactions to numerous glucagon preparations were found to be directly proportional to the amount of insulin contamination in those preparations. Purification of one glucagon lot by column chromatography verified the presence of proinsulin and insulin contaminants in the preparation.
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