A High Pressure Liquid Chromatography-Radioimmunoassay Method for Measurement of Cholecystokinin-8 and Cholecystokinin-33/39 in Plasma

E. J. Draviam Department of Surgery, The University of Texas, Medical Branch Galveston, Texas, 77550

G. H. Greeley Jr. Department of Surgery, The University of Texas, Medical Branch Galveston, Texas, 77550

R. D. Beauchamp Department of Surgery, The University of Texas, Medical Branch Galveston, Texas, 77550

J. C. Thompson Department of Surgery, The University of Texas, Medical Branch Galveston, Texas, 77550

Abstract

A new high pressure liquid chromatography-radioimmunoassay method is described for the measurement of cholecystokinin-8 (CCK-8) and CCK-33/39 in plasma. The plasma levels of CCK-8-sulfate, CCK-8-desulfate, and CCK-33/39 were measured during the infusion of intraduodenal fat.

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A High Pressure Liquid Chromatography-Radioimmunoassay Method for Measurement of Cholecystokinin-8 and Cholecystokinin-33/39 in Plasma

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A High Pressure Liquid Chromatography-Radioimmunoassay Method for Measurement of Cholecystokinin-8 and Cholecystokinin-33/39 in Plasma

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