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  • 1
    Electronic Resource
    Electronic Resource
    Characterization of serum alkaline phosphatase in infancy and childhood (1972)
    Springer
    European journal of pediatrics 113 (1972), S. 289-296 
    Details
    ISSN: 1432-1076
    Keywords: Serum Alkaline Phosphatase ; Acrylamide Gel Disc Electrophoresis ; L-phenylalanine Inhibition ; L-Homoarginine Inhibition ; Neuraminidase Sensitivity
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung In 364 Seren von Neugeborenen (Nabelschnurblut), Säuglingen, Kindern und Erwachsenen wurde die vorhandene alkalische Phosphatase genauer differenziert unter Anwendung der L-Phenylalaninhemmung, der L-Homoargininhemmung, der Hitzedenaturierung, der Arcylamidgel-Scheibenelektrophorese und der Neuramidaseempfindlichkeit. Die hohen Werte der alkalischen Phosphatase im Nabelschnur-, Säuglings-und Kinderserum im Vergleich zu den Erwachsenenwerten werden mehr den Phosphatasen der Knochen als den intestinalen Phosphatasen zugerechnet. Mit Hilfe der Acrylgelelektrophorese konnte eine Zunahme der intestinalen alkalischen Phosphatase mit steigendem Lebensalter nachgewiesen werden.
    Notes: Abstract In 364 serum samples of cord blood, infants, children, and adults alkaline phosphatase was characterized by means of L-phenylalanine inhibition, L-homoarginine inhibition, heat inactivation, acrylamide gel disc electrophoresis, and neuraminidase sensitivity. The increase of serum alkaline phosphatase in cord blood serum and in infant's and children's serum in comparison with adult levels was attributed mainly to the bone enzyme and in smaller proportion to the intestinal enzyme. Using acrylamide gel disc electrophoresis, an increase in the frequency of subjects with an intestinal alkaline phosphatase band with increasing age values was found.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00440307
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  • 2
    Electronic Resource
    Electronic Resource
    Ultrastructural features of the muscle fibers in congenital hypothyroidism (1971)
    Springer
    Virchows Archiv 354 (1971), S. 223-238 
    Details
    ISSN: 1432-2307
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Muscles of three patients (2 years, 2 years and 7 months, and 11 years of age) affected by congenital hypothyroidism due to dysgenesis of the thyroid gland were studied by electron microscope. The biopsies were performed on the quadriceps muscle. Several alterations were found in the ultrastructure of the muscle fibers. The contractile material underwent atrophy by two recessive processes: by reduction and by degeneration. The former, which affected mainly the white fibers, led to the progressive detachment of myofilaments from the periphery of the myofibrils while they maintainad a normal arrangement in the center. Consequently, their diameter decreased and their interfibrillar spaces enlarged. The latter enlargment, involving the red fibers, caused areas of dedifferentiation involving either the contractile apparatus or the other cell organelles. Modifications of the sarcolemma and basement membrane were seen in the fibers affected by the atrophying processes of the contractile material. Changes of the ultrastructure of the sarcoplasmic reticulum and of the T system were observed with numerous morphological abnormalities of the mitochondria. In addition, accumulation of glycogen and striking changes of the satellite cells were found. The ultrastructural findings are reviewed and discussed in relation to the literature on hypothyroid myopathy.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00544255
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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