Bibliothek

feed icon rss

Ihre E-Mail wurde erfolgreich gesendet. Bitte prüfen Sie Ihren Maileingang.

Leider ist ein Fehler beim E-Mail-Versand aufgetreten. Bitte versuchen Sie es erneut.

Vorgang fortführen?

Exportieren
  • 1
    ISSN: 1432-1440
    Schlagwort(e): Somatostatin ; Insulin ; C-peptide ; Diabetes ; Pituitary function ; Gastric acid secretion
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Summary A case of somatostatinoma syndrome in a 30-year-old woman is presented. Basal levels of growth hormone and of pancreatic and gastric hormones were reduced and the response of growth hormone, insulin and C-peptide to stimuli such as arginine, glucose, glibenclamide and calcium was virtually abolished. Similarly, gastric acid secretion, pancreatic exocrine function and intestinal absorption were significantly reduced. On the other hand, basal and stimulated levels of adrenocorticotropic hormone (ACTH), luteinizing hormone (LH), follicle-stimulating hormone (FSH) and thyroid-stimulating hormone (TSH) were within the normal range. Plasma somatostatin-like immunoreactivity was increased to 600 2,000 pg/ml (normal: 88–140 pg/ml). Immunocytochemical studies demonstrated the presence of somatostatin immunoreactive material in the primary tumour in the head of the pancreas and in the liver metastases. In spite of two courses of chemotherapy with streptozotocin and 5-fluorouracil the patient died due to liver failure 5 months after the first admission to hospital.
    Materialart: Digitale Medien
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
    BibTip Andere fanden auch interessant ...
  • 2
    ISSN: 1433-8580
    Schlagwort(e): H2-Receptor ; Somatostatin ; Pancreatic polypeptide ; Gastrin ; Insulin
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Summary The effect of histamine H2-receptor stimulation via the infusion of impromidine was assessed with regard to postprandial plasma insulin, pancreatic polypeptide (PP), somatostatin, and gastrin levels. The effect of impromidine was assessed in the postprandial state during a liver extract/sucrose test meal which had a buffer capacity to maintain the intragastric pH at a constant level for the time impromidine was infused. Postprandial plasma insulin and gastrin levels were not changed by impromidine (10µg/kg·h−1). Plasma somatostatin levels rose significantly, whereas the postprandial increase of plasma PP levels was attenuated. The effects on somatostatin and PP were antagonized by the infusion of cimetidine, a specific histamine H2-receptor blocker. In conclusion the present data demonstrate that in the postprandial state activation of H2-receptors stimulates somatostatin and inhibits PP release while insulin and gastrin release are not affected.
    Materialart: Digitale Medien
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
    BibTip Andere fanden auch interessant ...
Schließen ⊗
Diese Webseite nutzt Cookies und das Analyse-Tool Matomo. Weitere Informationen finden Sie hier...