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  • 1985-1989  (1)
  • 1970-1974  (1)
  • Insulin  (1)
  • cadralazine  (1)
Material
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  • 1985-1989  (1)
  • 1970-1974  (1)
Year
  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Calcified tissue international 12 (1973), S. 8-15 
    ISSN: 1432-0827
    Keywords: Insulin ; Bone ; Calcium ; Resorption ; Orthophosphate
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine , Physics
    Description / Table of Contents: Résumé L'administration d'insuline cristallisée à des rats thyroparathyroidectomisés provoque une augmentation de la calcémie et de la phosphorémie. Le calcium plasmatique s'élève de façon linéaire entre 31 et 250 m Unités d'insuline/100 g de poids corporel. La courbe obtenue n'est guère différente de celle obtenue par extrait parathyroidien. L'administration simultanée d'insuline et d'extrait parathyroidien à des rats thyro-parathyroidectomisés agit sur la calcémie et la phosphorémie par un effet additif. Lorsque des os frontaux d'embryons de poulet sont cultivésin vitro en présence d'insuline cristallisée, le taux de résorption augmente. L'insuline augmente le taux de consommation en glucose des explants et induit une accumulation de citrate dans le milieu de culture. L'insuline stimule donc la résorption osseuse.
    Abstract: Zusammenfassung Der Plasmagehalt an Calcium und Phosphor bei thyroparathyreoidektomierten Ratten wurde durch die Verabreichung von kristallinem Insulin erhöht. Das Plasmacalcium verhielt sich zwischen 31 und 250 m Einheiten Insulin pro 100 g Körpergewicht linear. Die Steigung der erhaltenen Kurve ist nicht signifikant verschieden von derjenigen, die nach Parathyreoidea-Extrakt erhalten wird. Die gleichzeitige Verabreichung von Insulin und Parathyreoidea-Extrakt von thyroparathyreoidektomierten Ratten hatte eine kumulative Wirkung auf den Gehalt von Calcium und Phosphor im Plasma. Wenn Stirnbeine von Kükenembryos mit kristallinem Insulinin vitro kultiviert wurden, erhöhte sich die Resorptionsrate. Das Insulin steigerte den Glucoseverbrauch der Explantate und verursachte eine Anreicherung von Citrat im Kulturmedium. Die Ergebnisse deuten auf eine Stimulation der Knochenresorption durch Insulin.
    Notes: Abstract the administration of crystalline insulin to thyroparathyroidectomized rats raised their calcium and phosphorus plasma levels. The plasma calcium gave a linear response between 31 and 250 mU of insulin/100 g body weight. The slope obtained is not significantly different from that obtained with parathyroid extract. The simultaneous administration of insulin and parathyroid extract to thyroparathyroidectomized rats affected the calcium and phosphorus plasma levels in an additive fashion. When chick embryo frontal bones were cultivatedin vitro with crystalline insulin the rate of resorption increased. Insulin increased the rate of glucose consumption by the explants and induced the accumulation of citrate in the culture medium. It is concluded that insulin stimulates bone resorption.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    European journal of clinical pharmacology 28 (1985), S. 135-138 
    ISSN: 1432-1041
    Keywords: hypertension ; cadralazine ; vasodilators ; chlorthalidone ; atenolol ; side-effects
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Medicine
    Notes: Summary The antihypertensive efficacy of a new long-lasting vasodilator, cadralazine, and the diuretic chlorthalidone have been compared in hypertensive patients receiving concurrent treatment with atenolol. After a 4-week run-in period with atenolol alone 100 mg/day, two groups of 10 patients whose diastolic blood pressure exceeded 100 mm Hg were given for a period of 65 days either cadralazine 15 mg/day or chlorthalidone 25 mg/day, according to a randomized, double-blind, between-patients design. Compared to atenolol alone, both cadralazine and chlorthalidone induced a statistically and clinically significant decrease in blood pressure. The antihypertensive effect did not differ significantly between groups. Good compensation of the atenolol-induced decrease in heart rate was obtained with cadralazine, whereas during atenolol + chlorthalidone treatment at times the standing heart rate was significantly lower than during treatment with atenolol + cadralazine. Side-effects, many of which were already present during atenolol treatment, occurred with a similar frequency in both groups. It is concluded that atenolol + cadralazine and atenolol + chlorthalidone are equally well tolerated, acceptable and effective in the treatment of hypertension, but that further studies are warranted to explore the potential haemodynamic advantages of the cadralazine + atenolol combination.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
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