Insulin Degradation by Human Erythrocyte Lysates - Semantic Scholar

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(1981)

Insulin Degradation by Human Erythrocyte Lysates Shriniwas G. Nerurkar and Kanwal K. Gambhir1 In vitro hemolysates

of isolated human erythrocytes

de-

grade 125l-labeled insulin. Ten- to 100-fold dilutions of the hemolysate give a proportionately decreased degradation of 125l-labeled insulin at 37 #{176}C, while dilutions of up to

Materials and Methods Monocomponent

insulin (lot no. JM95AF)

was purchased

from Elanco Laboratories, Indianapolis, IN 46206 for iodination with Na12I (by New England Nuclear). “Pentex” bovine

eightfold do not. Like the control, diluted “Buffer G” containing 5 mmol/L Tris and 4-(2-hydroxyethyl)-1-piperazineethanesulfonic acid buffer alone, more than 500-fold dilutions of the hemolysate or boiled hemolysate (in buffer) caused negligible (