ENHANCED PERIPHERAL GLUCOSE UTILIZATION AND SUPPRESSED HEPATIC GLYCOGEN SYNTHESIS IN KK MICE TREATED WITH ISLET-ACTIVATING PROTEIN (IAP)

Effect of islet-activating protein (IAP) on glucose utilization of peripheral tissues and glycogen synthesis of the liver was investigated in diabetic KK mice. The 14C-content of diaphragm glycogen following the injection of [U-14C] glucose was much less in KK mice than in dd/Y mice, and it was rest...

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Veröffentlicht in:Journal of Pharmacobio-Dynamics 1982, Vol.5(3), pp.148-154
Hauptverfasser: OKAMOTO, TAIRA, YAJIMA, MOTOYUKI
Format: Artikel
Sprache:eng
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Zusammenfassung:Effect of islet-activating protein (IAP) on glucose utilization of peripheral tissues and glycogen synthesis of the liver was investigated in diabetic KK mice. The 14C-content of diaphragm glycogen following the injection of [U-14C] glucose was much less in KK mice than in dd/Y mice, and it was restored to normal in KK mice treated with IAP. The enhanced glucose utilization in these mice was completely abolished by the injection of anti-insulin serum. Glycogen synthesis of the liver after glucose load was also less in KK mice than in dd/Y mice, and it was clearly suppressed in both groups of mice by IAP treatment. It was concluded that improved glucose tolerance of IAP-treated KK mice was mostly due to enhanced glucose utilization of peripheral tissues secondary to increased insulin secretion induced by IAP injection.
ISSN:0386-846X
1881-1353
DOI:10.1248/bpb1978.5.148