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The insulin release and the glucose disappearance rate (K-value) during an iv glucose tolerance test were evaluated in 20 hyperthyroid patients before and during treatment with either a non-selective (propranolol, n = 10) or a selective (metoprolol, n = 10) beta-1-adrenoceptor blocking agent. Mean
1. Liver from hyper- and hypo-thyroid male fed rats were perfused with whole blood and their metabolism was compared with euthyroid controls. 2. Hyperthyroid livers produced more bile than controls and hypothyroid livers produced less. 3. Glucose output by all livers was similar; glycogen declined
Relation between the appearance of impaired carbohydrate tolerance and such factors as the duration of hyperthyroidism, age of patients, blood serum concentrations of thyroxine, triiodothyronine and free fatty acids, as well as insulin secretion both basal and stimulated by oral and "intravenous
The content of carbohydrate components of glycoproteins in blood serum and erythrocyte and leucocyte membranes was studied as affected of various doses of L-thyroxin. It is established that administration of L-thyroxin small doses increases the level of glycoprotein components in blood serum and
Twenty five hyperthyroid patients and 25 healthy volunteers were evaluated for carbohydrate metabolic disturbance with an oral glucose tolerance test and glycosylated haemoglobin percentage. Insulin secretory response was studied in 17 hyperthyroids and 10 controls. A varying degree of abnormality
1. The work investigated hepatic glycogen synthesis and glucose output after the intragastric administration of glucose or glycerol or the provision of chow ad libitum to 48 h-starved euthyroid or hyperthyroid rats. 2. After glucose administration, glycogen synthesis via the indirect pathway
The function of the pancreatic B- and A- cell during a carbohydrate-rich meal was investigated in hyperthyroid patients, since these patients frequently present an altered handling of glucose. In basal conditions the plasma levels of glucose, immunoreactive insulin (IRI), C-peptide (CPR), proinsulin
The effects of thyrotoxicosis on insulin secretion were studied in 11 patients with Graves' disease and compared with the results obtained in 6 of the patients after they had attained clinical remission. Constant glucose infusion (CGI) and acute tolbutamide infusion (AIT) tests were chosen to
The influence of thyroxine on some of the key enzymes involved in glycolytic and pentose phosphate pathways in the testes of pre-pubertal; pubertal and adult rats was studied. Thyroxine-induced (25 micrograms/100 g body weight) hyperthyroidism for 1 month resulted in no change in either hexokinase