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The total body clearance of recombinant human erythropoietin (rhEPO) calculated per kilogram of body weight increased in the order man = dog < rat << mouse. The differences disappeared or were reversed when clearance was expressed per square meter of body surface. There was no similar species difference in terminal half life. Total body clearance increased(More)
In SPF-bred male and female Sprague-Dawley rats the effect of castration on the hypoglycaemic action of a single dose of glibenclamide (HB 419) was investigated. The results of castration showed no unambiguous influence on the normal blood glucose values. The effect of this sulphonyl urea, however, was considerably stimulated by castration and was prolonged(More)
Cardiac Troponin T (cTnT) is a cardiac structural protein which is released in the circulation during myocardial cell damage. In this study we addressed the question of whether beta-sympathomimetic induced myocardial cell damage in rats can be detected in blood by the TROPT sensitive rapid test strip which is primarily manufactured for the detection of(More)
A cardioselective parameter has been available for about 2 years since the development by KATUS of an immunoassay for cardiac Troponin T (TnT). The major advantages of this TnT assay are its cardiospecificity and its sensitivity. The parameters usually determined in toxicity studies in rats to detect alterations in the myocardial cells, e.g. aspartate(More)
In this study we addressed the question of whether the measurement of the cardiac structure protein cardiac Toponin I (cTnI) in serum is also able to detect marked myocardial cell damage in rats like cardiac Troponin T (cTnT). To answer this question 5 male rats and 5 female rats were injected with orciprenaline to induce myocardial cell damage. Further 5(More)
Despite the importance of the vascular cambial differentiation, little is known about its regulation. In order to address this problem we attempted to biochemically characterize differentiating xylem and phloem elements during the early stages of development. By applying techniques of quantitative histochemistry we show that the total pool size of pyridine(More)