adenyl cyclase
Myocardial adenyl cyclase: activation by thyroid hormones and evidence for two adenyl cyclase systems
... of adenyl cyclase, the possibility that thyroxine and triiodothyronine are also capable of activating adenyl cyclase was examined in the particulate fraction of cat heart ...
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Activation of myocardial adenyl cyclase by histamine in guinea pig, cat, and human heart
... of adenyl cyclase produced by histamine but did abolish the activation produced by ...of adenyl cyclase by histamine but not that produced by ...of adenyl cyclase, one responsive ...
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The effect of sulfonylurea drugs on rabbit myocardial contractility, canine purkinje fiber automaticity, and adenyl cyclase activity from rabbit and human hearts
... Long-term clinical studies have associated tolbutamide therapy with an increased incidence of cardiovascular deaths. The effects of this and other sulfonylurea drugs on contractility and rate of isolated rabbit atria, ...
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Effects of thyroid stimulating hormone on adenyl cyclase activity and intermediary metabolism of “cold” thyroid nodules and normal human thyroid tissue
... TSH-responsive adenyl cyclase-cyclic AMP system in the adenomas and, accordingly, imply the presence of receptor sites for TSH on the cells of the ...
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Effects of vasopressin and prostaglandin E1 on the adenyl cyclase—cyclic 3′,5′ adenosine monophosphate system of the renal medulla of the rat
... concentration induced by vasopressin. These results are consistent with the hypothesis that PGE 1 can compete with vasopressin for adenyl cyclase-binding sites. However, the findings in the outer medulla ...
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Effects of experimental heart failure on the capacity of glucagon to augment myocardial contractility and activate adenyl cyclase
... by adenyl cyclase, responsiveness of adenyl cyclase was determined in particulate fractions of the right ...activated adenyl cyclase in normal, but had no effect in failure ...of ...
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Properties of Adenyl Cyclase from Human Jejunal Mucosa during Naturally Acquired Cholera and Convalescence
... convalescence. Under both conditions stimulation by prostaglandin E 1 (PGE 1 ) and by fluoride was observed. The responsiveness to PGE 1 was not altered in cholera; the total activity of the fluoride-stimulated enzyme ...
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Adenyl cyclase and interleukin 6 are downstream effectors of parathyroid hormone resulting in stimulation of bone resorption
... of adenyl cyclase. This study demonstrates that adenyl cyclase is also required for stimulation of osteoclast activity in cultures containing osteoclasts from rat long bones and UMR106-01 rat ...
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Localization of the action of cholera toxin on adenyl cyclase in mucosal epithelial cells of rabbit intestine
... toxin. Adenyl cyclase activity is increased while NaK-ATPase is ...on adenyl cyclase at the opposite (basal and lateral) side of the ...
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The Effects of Thrombin on Adenyl Cyclase Activity and a Membrane Protein from Human Platelets
... on adenyl cyclase activity and thrombin-sensitive protein release in the presence of dibutyryl cyclic AMP, prostaglandin E 1 , and theophylline at varying concentrations of ...
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Effects of Acetazolamide on the Unrinary Excretion of Cyclic AMP and on the Activity of Renal Adenyl Cyclase
... excretion of cyclic AMP in normal and parathyroidectomized rats. The increase was greater in rats with intact parathyroid glands than in parathyroidectomized rats. This rise in the urinary excretion of cyclic AMP was not ...
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Effects of Cholera Enterotoxin on Adenosine 3′,5′ Monophosphate and Neutrophil Function COMPARISON WITH OTHER COMPOUNDS WHICH STIMULATE LEUKOCYTE ADENYL CYCLASE
... prostaglandin-E 1 (PGE 1 ) and isoproterenol acted rapidly; (b) removal of the soluble toxin from the extracellular medium did not abolish its effects on cyclic AMP and inhibition of antigenic histamine release, while ...
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Decreased myocardial adenyl cyclase activity in hypothyroidism
... of adenyl cyclase in the particulate fraction of heart homogenates from euthyroid and hypothyroid cats; and (b) assessed the contractile response of isolated right ventricular papillary muscles from the ...
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Abnormal hormone responses of an adrenocortical cancer adenyl cyclase
... the adenyl cyclase receptor of the tumor has undergone structural alteration with a consequent loss of specificity for ACTH or with the possibility that the tumor possesses several cyclase regulatory ...
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Development of Intestinal Adenyl Cyclase and Its Response to Cholera Enterotoxin
... Adenyl cyclase activity in intestinal membranes has been studied during development in the rabbit fetus from fetal day 17 to 10 days postnatally and in the human fetus from the 10th to the 17th wk of ...
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Rat liver adenyl cyclase activity in various thyroid states
... total adenyl cyclase activity, expressed per milligram of liver protein, was increased after ...on adenyl cyclase activity of the rat ...of adenyl cyclase activity with the ...
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Stimulation of intestinal mucosal adenyl cyclase by cholera enterotoxin and prostaglandins
... transport. Adenyl cyclase activity, measured in a crude membrane fraction of the mucosa, was found at all levels of the small intestine with the highest activity per milligram protein in the ...increased ...
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Effects of Ca++ and Prostaglandin E1 on Vasopressin Activation of Renal Adenyl Cyclase
... Adenyl cyclase activity was assayed in crude homogenates of the renal cortex, medulla, and papilla of the golden ...the adenyl cyclase-receptor complex in various parts of the ...basal ...
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Effects of Long Acting Thyroid Stimulator on Thyrotropin Stimulation of Adenyl Cyclase Activity in Thyroid Plasma Membranes
... stimulated adenyl cyclase activity in plasma membranes obtained from bovine thyroid ...of adenyl cyclase activity while an equivalent amount of normal human g-globulin did not influence basal ...
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Stimulatory effects of induced phagocytosis on the function of isolated thyroid cells
... stimulatory effect of microbead-induced phagocytosis on phospholipogenesis only. These studies indicate that in isolated thyroid cells the phagocytotic process, per se, may alter activity of the membrane-bound ...
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