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Sources of hepatic glucose production by 2H2O ingestion and Bayesian analysis o...

Delgado, T. C.; Barosa, C.; Castro, M. M. C. A.; Geraldes, C. F. G. C.; Bastos, M.; Baptista, C.; Fagulha, A.; Barros, L.; Mota, A.; Carvalheiro, M.

The contribution of gluconeogenesis to hepatic glucose production (GP) was quantified after 2H2O ingestion by Bayesian analysis of the position 2 and 5 2H-NMR signals (H2 and H5) of monoacetone glucose (MAG) derived from urinary acetaminophen glucuronide. Six controls and 10 kidney transplant (KTx) patients with cyclosporine A (CsA) immunosuppressant therapy were studied. Seven KTx patients were lean and euglyc...


Sources of hepatic glucose production by 2H2O ingestion and Bayesian analysis o...

Delgado, TC; Barosa, C; Castro, MM; Geraldes, CF; Bastos, M; Baptista, C; Fagulha, A; Barros, L; Mota, A; Carvalheiro, M; Jones, JG; Merrit, M

The contribution of gluconeogenesis to hepatic glucose production (GP) was quantified after (2)H(2)O ingestion by Bayesian analysis of the position 2 and 5 (2)H-NMR signals (H2 and H5) of monoacetone glucose (MAG) derived from urinary acetaminophen glucuronide. Six controls and 10 kidney transplant (KTx) patients with cyclosporine A (CsA) immunosuppressant therapy were studied. Seven KTx patients were lean and ...


Sources of endogenous glucose production in the Goto-Kakizaki diabetic rat

Sena, C. M.; Barosa, C.; Nunes, E.; Seiça, R.; Jones, J. G.

Plasma glucose, insulin and glucose tolerance were quantified in diabetic Goto–Kakizaki (GK) rats (342 ± 45 g, n = 5) and compared with weight-matched non-diabetic Wistars (307 ± 30 g, n = 8). Compared to Wistars, GK rats had higher fasting plasma insulin (219 ± 50 versus 44 ± 14 pmol/l, P < 0.002) and glucose (9.2 ± 2.3 versus 5.5 ± 0.5 mmol/l, P < 0.025). GK rats showed impaired glucose tolerance (IPGTT 2 h p...


Noninvasive analysis of hepatic glycogen kinetics before and after breakfast wi...

Jones, JG; Fagulha, A; Barosa, C; Bastos, M; Barros, L; Baptista, C; Caldeira, MM; Carvalheiro, M

The contributions of hepatic glycogenolysis to fasting glucose production and direct pathway to hepatic glycogen synthesis were quantified in eight type 1 diabetic patients and nine healthy control subjects by ingestion of (2)H(2)O and acetaminophen before breakfast followed by analysis of urinary water and acetaminophen glucuronide. After overnight fasting, enrichment of glucuronide position 5 relative to body...


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