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  • 1
    ISSN: 1432-0428
    Keywords: Galactosamine hepatitis ; hyperinsulinaemia ; insulin resistance ; liver plasma membranes ; insulin binding
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Six to 12 h after IP injection of 400 mg/kg of D-galactosamine in rats a 5-fold increase in plasma insulin was observed. In addition, impaired glucose assimilation was present after an IV load in spite of unchanged fasting glucose levels. In streptozotocin-diabetic rats (100 mg/kg IV) plasma insulin remained diminished 12 h after induction of D-galactosamine hepatitis. Under identical conditions of preparation and incubation, the liver plasma membranes of D-galactosamine-treated rats, in both normal and diabetic states, bound only 40–60% as much insulin per mg of membrane protein as those of the control rats. Scatchard analysis suggested that this was due to a decrease in the number of receptor sites in the membranes of the D-galactosamine-injected rats. No difference in the insulin degrading capacity and in insulin-receptor dissociation of the plasma membranes between control and D-galactosaminetreated groups was found. These data suggest that a reduction in the number of hepatic insulin receptors in galactosamine hepatitis can lead to insulin resistance and hyperinsulinaemia.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Journal of molecular medicine 54 (1976), S. 539-542 
    ISSN: 1432-1440
    Keywords: Maltose infusion ; Diabetes mellitus ; Maltose utilization ; Parenteral nutrition ; Maltoseinfusion ; Diabetes mellitus ; Maltoseverwertung ; parenterale Ernährung
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung Maltose wurde als 10%ige Lösung bei stoffwechselgesunden Personen (n=9) und bei Diabetikern vom Erwachsenentyp (n=9) über 2 Std kontinuierlich infundiert (0,25 g/kg Körpergewicht/Std). Während und nach Infusion sind die Änderungen der untersuchten Parameter (Blutglucose, Seruminsulin, freic Fettsäuren, Laktat, Pyruvat, Harnsäure, Säure-Basenwerte, Ketonkörper) minimal. Nur bei Stoffwechselgesunden ist der Anstieg der Blutglucose signifikant. Die Maltosekonzentrationen im Serum steigen während der Maltosezufuhr stetig und in beiden Gruppen nahezu identisch bis auf Maximalwerte um 150 mg/100 ml an. Nach Infusionsende sind über weitere 7 Std abnehmende Maltosekonzentrationen im Serum sowie über 18 Std eine Maltoseausscheidung im Harn nachweisbar. Bei stoffwechselgesunden Personen werden innerhalb der ersten 3 Std 4% der zugeführten Maltosemenge (1,3% als Maltose und 2,7% als Glucose) im Harn ausgeschieden. Die Kohlenhydratausscheidung bei Diabetikern ist mit 14 (1,1–35,9) % höher und individuell variabler. Die gegenüber Glucose insbesonders bei Diabetikern geringen metabolischen Veränderungen sowie die Möglichkeit einer höheren Kalorienzufuhr sind günstige Effekte parenteral applizierter Maltose. Jedoch sprechen langsame Elimination sowie die je nach Untersuchungsbedingungen und Dosierung des Disaccharids ansteigenden Verluste im Harn für die limitierte Fähigkeit des menschlichen Organismus Maltose zu verwerten. Solange weitere Untersuchungen während langdauernder Zufuhr am Menschen fehlen, kann eine alleinige Verwendung von Maltose als Kohlenhydrat in der parenteralen Ernährung nicht empfohlen werden.
    Notes: Summary Maltose (10% solution) was infused continuously over 2 h (0,25 g/kg BW/h) in maturity onset diabetics (n=9) and in non-diabetic patients (n=9) serving as controls. During and after infusion changes of parameters measured (blood glucose, IRI, FFA, lactate, pyruvate, uric acid, acid-base status, ketone bodies) were minimal. A significant rise in blood-glucose was observed only in non-diabetics. Serum maltose concentrations increased continuously up to 150 mg/100 ml during infusion and were nearly identical in both groups. Post infusion serum maltose decreased slowly during 7 h and urinary maltose excretion was found for 18 h. During the first 3 h controls excreted 4% of infused maltose (1.3% as maltose and 2.7% as glucose). In diabetics excretion of carbohydrates was higher and more variable: 14 (1.1–35.9) %. The slight metabolic changes, especially in diabetics and the possibility of supplying more calories are favorable effects of parenteral maltose. However slow elimination and increasing urinary losses depending on dosage and conditions of i.v. maltose application account for the limited utilization of the disaccharide in men. Unless further investigations will have been done maltose cannot be recommended as a sole substitute for carbohydrate in parenteral nutrition.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Copenhagen : International Union of Crystallography (IUCr)
    Applied crystallography online 9 (1976), S. 243-243 
    ISSN: 1600-5767
    Source: Crystallography Journals Online : IUCR Backfile Archive 1948-2001
    Topics: Geosciences , Physics
    Notes: Methylammonium manganese(II) trichloride crystallizes with a hexagonal unit cell, a = 7.626 (2) Å, c = 6.399 (1) Å, Z = 2, space group P63/mmc or P63mc. It is isostructural with CsCdBr3.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Copenhagen : International Union of Crystallography (IUCr)
    Applied crystallography online 10 (1977), S. 201-202 
    ISSN: 1600-5767
    Source: Crystallography Journals Online : IUCR Backfile Archive 1948-2001
    Topics: Geosciences , Physics
    Notes: Methylammonium manganese(II) trichloride dihydrate crystallizes with a monoclinic unit cell, a = 7.795 (2), b = 9.154 (2), c = 11.462 (4) Å, β = 91.28 (3)°, space group P21/c. Its structure is related to that of α-RbMnCl3.2H2O.
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Springer
    Colloid & polymer science 10 (1912), S. 204-205 
    ISSN: 1435-1536
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Springer
    Colloid & polymer science 10 (1912), S. 313-314 
    ISSN: 1435-1536
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    Springer
    Colloid & polymer science 10 (1912), S. 315-315 
    ISSN: 1435-1536
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    Springer
    Colloid & polymer science 10 (1912), S. 57-58 
    ISSN: 1435-1536
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    Springer
    Naturwissenschaften 2 (1914), S. 660-667 
    ISSN: 1432-1904
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology , Natural Sciences in General
    Type of Medium: Electronic Resource
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  • 10
    Electronic Resource
    Electronic Resource
    Springer
    Naturwissenschaften 2 (1914), S. 138-142 
    ISSN: 1432-1904
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology , Natural Sciences in General
    Type of Medium: Electronic Resource
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