Akira Yanbe

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The intravenous glucagon test was performed in 11 patients with insulinoma and the diagnostic significance of the test was studied in comparison with the glucose test, the tolbutamide test and the arginine test. The curves of plasma insulin following the intravenous administration of glucagon were markedly different and strange in those patients with(More)
Among 31 nonobese or obese patients with endogenous hypertriglyceridemia, hepatic steatosis was found by histologic examination of the biopsied specimen in 17 patients, and it was severe in six patients, They had no history of excessive alcohol intake. Chemical analysis revealed that the lipid accumulated in the liver was triglyceride. The(More)
Eighteen obese inpatients with insulin resistance revealed by i.v. insulin test and expressed in various grades of hyperinsulinemia and hyperglycemia were examined for plasma lipid levels. A significant positive correlation was found to be present between the plasma triglyceride (TG) level and the insulin response to glucose load. A stepwise multiple(More)
Nine patients with insulinoma were studied in order to investigate glucagon levels in the fasting state and the response of plasma glucagon to tolbutamide and arginine. Fasting plasma glucagon levels were within the normal range in all patients except two cases with malignant insulinoma. Although there was no correlation between blood glucose and plasma(More)
Gut glucagon-like immunoreactivity (GLI) was extracted from plasma of dogs and was compared for its molecular size and insulin releasing activity with GLI present in the intestine. Plasma was obtained from the portal vein of dogs, of which the pancreas was removed as rapidly as possible during the glucose administration into the intestine. Plasma GLI of(More)
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