Library

feed icon rss

Your email was sent successfully. Check your inbox.

An error occurred while sending the email. Please try again.

Proceed reservation?

Export
  • 1
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Annals of the New York Academy of Sciences 131 (1965), S. 0 
    ISSN: 1749-6632
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Natural Sciences in General
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
  • 2
    ISSN: 1749-6632
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Natural Sciences in General
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
  • 3
    Electronic Resource
    Electronic Resource
    s.l. : American Chemical Society
    Biochemistry 16 (1977), S. 5759-5764 
    ISSN: 1520-4995
    Source: ACS Legacy Archives
    Topics: Biology , Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
  • 4
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 276 (1978), S. 184-185 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Fig. 1 Potentiation of insulin action by glipizide treatment in normal mice. 15-20-g male mice were treated with diet 4- glipizide (5 mg per kg per d) or diet alone for 10 d. Following a 5-h fast, the mice were injected intravenously with 2.5 mU pork insulin and killed at the specified times for ...
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
  • 5
    ISSN: 1432-0428
    Keywords: Spontaneous diabetes ; Sand rat ; Psammomys obesus ; Insulin in plasma ; Insulin resistance ; Acetohexamide ; Diet and diabetes ; Nutrition and diabetes ; Obesity ; Pancreas ; Infections ; Adipose tissue in vitro
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Résumé Certaines caractéristiques particulières du rat des sables en font un animal d'expérience de grande valeur. L'augmentation des taux plasmatiques d'insuline et de glucose est liée chez lui à une augmentation de la prise de nourriture. Tout comme c'est le cas pour le diabète humain de type adulte, il semble y avoir participation d'un élément de résistance à l'insuline qui peut être mis en évidencein vitro par la sensibilité diminuée du tissu adipeux du rat des sables à l'insuline de porc. Il semblerait qu'un traitement prophylactique par l'acétphexamide exerce un effet protecteur contre l'effet diabétogène d'un régime riche en calories. — Il semble raisonnable de penser que le syndrome diabétique du rat du sable, si facilement provoqué par la modification du régime, pourrait s'avérer être un instrument de grande valeur dans l'étude des mécanismes pathogénétiques possibles du syndrome diabétique.
    Abstract: Zusammenfassung Die Sandratte verfügt über mehrere einmalige Eigenschaften, die aus ihr ein wertvolles Laboratoriumstier machen. Das häufige Auftreten von erhöhtem Plasma-Insulinspiegel und Hyperglykämie steht im Zusammenhang mit einer gesteigerten Nahrungsaufnahme. Wie im menschlichen Reife-Diabetes scheint auch hier eine Insulinresistenz aufzutreten, und diese istin vitro nachweisbar: das inkubierte Fettgewebe der Sandratte spricht auf eine Stimulierung mit steigenden Dosen von Schweineinsulin nur wenig an. Prophylaktische Behandlung mit Acetohexamid deutet auf eine Schutzwirkung gegen die diabetogenen Folgen einer kalorienreichen Diät. — Es ist zu erwarten, daß das diabetische Syndrom in der Sandratte, das so leicht durch Manipulationen der Diät erzeugt werden kann, ein nützliches Modell zur Untersuchung der möglichen Mechanismen der diabetischen Pathogenese darstellen wird.
    Notes: Summary The sand rat has some unique attributes, which make it a valuable experimental animal. The occurrence of increased plasma insulin levels and of hyperglycemia is linked to an increased food intake. As in the human maturity-onset type diabetes, there seems to be an element of insulin resistance, and this can be demonstratedin vitro by the relative unresponsiveness of sand rat adipose tissue to increasing doses of pork insulin. Prophylactic treatment with acetohexamide seems to have some protective effect against the diabetogenic results of a high calory diet. — It is expected that the diabetic syndrome in sand rats, which can be so easily induced by dietary manipulation, will be a valuable tool in helping to clarify some of the possible mechanisms in the syndrome of diabetes mellitus.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
  • 6
    Electronic Resource
    Electronic Resource
    Springer
    Calcified tissue international 35 (1983), S. 526-532 
    ISSN: 1432-0827
    Keywords: Cartilage ; PTH ; in vitro ; Growth ; cAMP
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine , Physics
    Notes: Summary Addition of N6-monobutyryl cyclic AMP (BtcAMP) or methylisobutylxanthine to embryonic chick pelvic cartilages incubated in a serum-free medium for 3 days stimulates the cartilages to grow predominately through increasing cellular hyperplasia [1]. The present study investigated whether parathyroid hormone (PTH) added to the serum-free organ culture system would mimic the growth-promoting effects of BtcAMP through increasing endogenous cartilage cyclic AMP content. Parathyroid hormone 10 nM stimulatesin vitro pelvic cartilage growth as compared with cartilage grown in medium alone, as estimated by increases in wet weight (64%), dry weight (91%), total soluble protein (19%), and deoxyribo-nucleic acid (DNA) content (51%). Parathyroid hormone (0.1–10nM) in a concentration-dependent manner produces increases in wet weight and radiolabeled precursor incorporation of [3H]thymidine and [14C]-L-leucine over cartilage incubated in medium alone. Both PTH-treated and BtcAMP-treated cartilage show histological changes of increased cellularity as well as raised DNA content and elevated DNA/protein ratios. PTH increases cartilage cyclic AMP content, with the maximum rise occurring after 30 min incubation, and a return to levels found in pelvic cartilages incubated in medium alone by 4 hours. Consequently, cartilages incubated in medium containing PTH for 4 hours and then incubated in medium alone for the remaining 3 days, grew as well as cartilages that had been incubated in medium containing PTH for the entire 72-hour period. Thus, PTH, by raising intracellular cyclic AMP, triggers cartilage growthin vitro.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
  • 7
    ISSN: 1573-2568
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Mongrel dogs were prepared by cholecystectomy, ligation of the lesser pancreatic duct, and insertion of modified Thomas cannulas into the stomach and duodenum. When the dogs had recovered from surgery, studies were performed on them, conscious and unanesthetized after an overnight fast. The common bile duct was catheterized through the opened duodenal cannula for collection of hepatic bile. Bile flow was stabilized by the intravenous infusion of sodium taurocholate. After 2 hr of taurocholate infusion, insulin was added to the infusion and continued for the duration of the experiment. Glucose was administered intravenously during the first 120 min of insulin administration to maintain euglycemia; then the glucose was discontinued. The intravenous infusion of insulin during euglycemia maintained by glucose infusion caused a significant increase in bile flow and a decrease in bile salt concentration, but no change in bile salt output. There was a decrease in cholesterol concentration and output and in phospholipid concentration, but no significant change in phospholipid output. When glucose infusion was discontinued and hypoglycemia occurred, there was a further significant increase in bile flow, but no other change. These studies demonstrate that the choleretic action of insulin is not dependent upon hypoglycemia and that intravenously administered insulin may cause increased bile secretion without increase in serum glucagon concentration. These experiments also confirm that insulin choleresis may be associated with a decline in cholesterol output.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
Close ⊗
This website uses cookies and the analysis tool Matomo. More information can be found here...