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  • Adrenalectomy  (1)
  • Arginine vasopressin  (1)
  • Eiwei\bindung  (1)
  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Naunyn-Schmiedeberg's archives of pharmacology 315 (1980), S. 83-84 
    ISSN: 1432-1912
    Keywords: Arginine vasopressin ; Brain stem ; Hypertensive rats
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary The content of arginine vasopressin in the brain stem and neurohypophysis of adult spontaneously hypertensive rats was measured by radioimmunoassay and the values were compared to those measured in normotensive Wistar-Kyoto rats. In the brain stem of hypertensive rats, AVP content was decreased by 77% while neurohypophyseal AVP content was increased by 26%. The results demonstrate that brain stem AVP levels and neurohypophyseal AVP levels may change differentially and they are consistent with the possibility that brain stem AVP may be involved in altering cardiovascular reflex activity.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1432-0568
    Keywords: Neurosecretion ; Adrenalectomy ; Diabetes insipidus ; Rat
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary The influence of adrenalectomy on the amount of “Gomori-positive” neurosecretory material in the outer layer of the median eminence and in the supraoptico-hypophysial system was studied in normal Long-Evans rats and in Long-Evans rats heterozygous and homozygous for hypothalamic diabetes insipidus. In all non-adrenalectomized rats very few “Gomori-positive” granules were found in the outer median eminence layer. After adrenalectomy the amount of the granules increased markedly in normal Long-Evans rats and only slightly in Long-Evans rats heterozygous for diabetes insipidus. However, no augmentation of the granules occurred in homozygous diabetes insipidus rats. The amount of “Gomori-positive” substances demonstrable in the supraoptic and paraventricular nuclei, in the inner layer of the median eminence, and in the neural lobe of the hypophysis was less in rats heterozygous for diabetes insipidus than in normal Long-Evans rats and the smallest in homozygous diabetes insipidus rats. No differences in the amounts of the substances were observed between adrenalectomized and non-adrenalectomized animals. The findings suggest that the “Gomori-positive” granules occurring in the outer layer of the median eminence of adrenalectomized rats are of similar origin as those of the supraoptico-hypophysial system and represent a vasopressin-neurophysin-complex. The results support the concept that vasopressin is involved in the regulation of ACTH release.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Springer
    Clinical and experimental medicine 146 (1968), S. 329-335 
    ISSN: 1591-9528
    Keywords: Aldosterone ; Metabolism ; Protein-binding ; Renal clearance ; Aldosteron ; Stoffwechsel ; Eiwei\bindung ; Nierenclearance
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung Im menschlichen Blutplasma wurde vermittels äquilibriumDialyse die Eiwei\bindung für Tetrahydroaldosteronglucuronid mit 35–39% und diejenige für 18-Aldosteronglucuronid mit 54–57% bestimmt. Auf Grund dieser Werte und der früher mitgeteilten renalen Clearance dieser beiden Aldosteronmetaboliten, welche die Eiwei\bindung nicht berücksichtigte [13], ergibt sich für das Tetrahydroaldosteronglucuronid eine renale Clearance im Bereich derjenigen des Inulins und für das 18-Aldosteronglucuronid eine solche im Bereich der PAHClearance.
    Notes: Summary In equilibrium dialysis with human blood plasma and human albumin the protein binding of tetrahydroaldosterone glucuronide was 35 to 39% and the protein binding of 18-aldosterone glucuronide was 54 to 57%. The “uncorrected” renal clearance values of these two aldosterone metabolites, as published bySiegenthaler et al. [13], were “corrected” for protein binding. So the renal clearance of tetrahydroaldosterone glucuronide is similar to the renal clearance of inulin, whereas the renal clearance of 18-aldosterone glucuronide lies in the range of the PAH clearance.
    Type of Medium: Electronic Resource
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