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  • Title: Response of plasma glicentin to fat ingestion in piglets.
    Author: Ohneda A, Takahashi H, Maruyama Y.
    Journal: Diabetes Res Clin Pract; 1987; 3(2):103-9. PubMed ID: 3552536.
    Abstract:
    In order to elucidate the response of plasma glicentin to fat ingestion, butter, glycerol or palmitate was administered into the duodenum of piglets in a fully conscious state and plasma glicentin and glucagon were determined. Butter instillation did not change blood glucose. Plasma triglyceride rose gradually 120 min after butter loading. Plasma insulin and glucagon measured by antiserum specific to the C-terminal slightly increased following butter administration and plasma total glucagon and glicentin increased gradually and significantly. The increments of total glucagon and glicentin were 179 and 158%, respectively. However, chromatography of porcine plasma obtained during fat loading revealed heterogeneity of glicentin-related peptides. Glycerol ingestion induced a slight rise of plasma total glucagon. Administration of palmitate revealed an increase in plasma total glucagon and glicentin. The present study clearly demonstrates the secretion of glicentin following fat ingestion, which might be caused by the hydrolysates of triglyceride, as suggested in previous dog experiments.
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