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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Journal of molecular medicine 59 (1981), S. 1053-1059 
    ISSN: 1432-1440
    Keywords: Glycogenosis ; Glycogenosis type V (McArdle) ; Vacuolar myopathy ; Recurrent rhabdomyolysis ; Glycogen storage ; Muscle phosphorylase deficiency ; Glykogenose ; Glykogenose Typ V (McArdle) ; Vacuoläre Myopathie ; Rezidivierende Rhabdomyolyse ; Glykogenspeicherung ; Muskelphosphorylasemangel
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung Es wird über die myopathologischen und biochemischen Befunde von sechs Patienten mit Glykogenose Typ V (McArdle) berichtet. Morphologisch findet sich in vier Fällen das typische Substrat einer vacuolären Myopathie mit vorwiegend subsarkolemmaler Glykogenvermehrung. Eine Biopsie zeigt nur sehr diskrete Strukturveränderungen, welche ohne entsprechende biochemische Befunde keine sichere diagnostische Festlegung zuließen. In einer weiteren Biopsie stehen die Zeichen der abgelaufenen Rhabdomyolyse quantitativ ganz im Vordergrund und überlagern die Speichermyopathie. Biochemisch ist in allen Fällen ein erhöhter Glykogengehalt nachweisbar, welcher mehrheitlich zwischen 2,5–4,23% liegt, bzw. nur bei dem klinisch ausgeprägtesten Fall mit abgelaufener Rhabdomyolyse über 5% beträgt. In allen Fällen kann zusätzlich ein Fehlen bzw. eine hochgradige Verminderung der Phosphorylaseaktivität objektiviert werden. Abgesehen von dem besonders schwer verlaufenden Fall ist keine sichere Korrelation zwischen der Quantität der myopathologischen und biochemischen Befunde zu erkennen, was bedeutet, daß bei entsprechendem klinischen Beschwerdebild eine ergänzende biochemische Untersuchung des Muskels durchgeführt werden sollte, selbst wenn morphologisch nur diskrete Veränderungen zu erkennen sind.
    Notes: Summary This report deals with structural and biochemical studies of muscle biopsies from six patients with glycogenosis type V (McArdle). From a morphological point of view in four cases the typical findings of vacuolar myopathy with glycogen storage especially under the sarcolemma can be demonstrated. One biopsy shows only mild structural changes which without additional biochemical analysis could be overlooked. In one case signs of recovery phase after rhabdomyolysis predominate the storage myopathy. Biochemical studies in all cases show an elevated glycogen content (2.5–4.23%). Only the from a clinical point of view most expressive patient with recurrent episodes of rhabdomyolysis exhibits a glycogen storage over 5%. All cases additionally show an absence or highly reduction of phosphorylase activity. Apart from the most expressive clinical course the extent of morphological and biochemical findings is not clearly correlated. Therefore if clinical signs suggest the diagnosis of glycogenosis type V it appears necessary to perform additional biochemical examination of muscle biopsy independent from the degree of morphological anomalies.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Journal of molecular medicine 59 (1981), S. 1195-1199 
    ISSN: 1432-1440
    Keywords: Fallbericht ; Pseudohypoparathyreoidismus ; hypocalcämische Myopathie ; Case report ; Pseudohypoparathyroidism ; Hypocalcemic myopathy
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Summary A patient with the clinical features of pseudohypoparathyreoidism and elevated concentrations of serum CK and LDH, which normalized after successful therapy, is described. Clinical signs of myopathy did not exist. The bioptical material from the m. tibialis anterior was microscopically normal. The biochemical analysis revealed a reduced phosphorylase-a-activity with the total phosphorylase-activity (a and b) being within the normal range. The significance of these findings as well as possible pathogenetic mechanisms are discussed.
    Notes: Zusammenfassung Es wird über einen Fall von Pseudohypoparathyreoidismus berichtet, bei dem gleichzeitig erhöhte CPK- und LDH-Konzentrationen im Serum festgestellt wurden, die sich nach Therapie normalisierten. Klinische Zeichen einer Myopathie bestanden nicht. Das Biopsiematerial vom m. tibialis anterior war mikroskopisch unauffällig. Biochemisch fand sich eine verminderte Phosphorylase-a-Aktivität bei normaler Gesamtphosphorylase-Aktivität (a und b). Die Bedeutung des Befundes und die möglichen pathogenetischen Mechanismen werden diskutiert.
    Type of Medium: Electronic Resource
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  • 3
    ISSN: 1432-1203
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary The kinetic characteristics of galactose-1-phosphate uridyltransferase and galactokinase in cultivated fibroblasts and amniotic fluid cells were investigated. The K m values of galactokinase for galactose at 2.0 mM ATP are 0.34 mM in amniotic fluid cells and 0.48 mM in fibroblasts. The K m values for ATP at 0.5 mM galactose are 1.25 mM and 2.10 mM. Transferase and galactokinase activities and protein content increase logarithmically during the growth of cultivated cells. The specific activity of both enzymes also increases and reaches a maximum level 10–15 days after subculture. The specific activity of transferase increases faster than that of galactokinase in the case of amniotic fluid cells. In the case of fibroblasts the specific activity of galactokinase increases faster than that of transferase.
    Type of Medium: Electronic Resource
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  • 4
    ISSN: 1432-1076
    Keywords: Intractable diarrhea ; Celiac disease ; Treatment ; Casein hydrolisate ; Amino acids
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Ten infants with intractable diarrhea, celiac disease and small bowel resection were treated with a special dietetic regimen called “Baustein” principle. The three major food constituents were added to the formula stepwise: first glucose and maltodextrin followed by protein and vegetable oil or MCT oil. The protein source was a newly developed casein hydrolisate also containing minerals, trace elements and vitamins.
    Type of Medium: Electronic Resource
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  • 5
    ISSN: 1432-1076
    Keywords: Wolman's disease ; Storage ; Cholesterylester ; Triglycerides ; Acid lipase ; Adrenal calcification ; Dyserythropoietic changes ; Foam cells
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract A case of Wolman's disease is described in a German infant who died at the age of 4 months. Hepatosplenomegaly, abdominal distention, gastrointestinal symptoms, dyserythropoietic changes in the bone marrow, but not adrenal calcification on X-ray were present. Stored lipid material could be demonstrated in liver, spleen, intestine, adrenals, thymus, kidneys, blood cells, but not in the central nervous system. Cholesterylesters and triglycerides were markedly increased in liver and spleen. Lysosomal acid lipase was found to be decreased in leucocytes and liver to less than 10% of normal, when measured with synthetic and natural substrates.
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Springer
    European journal of pediatrics 140 (1983), S. 283-288 
    ISSN: 1432-1076
    Keywords: Glycogen storage disease
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Glycogen storage disease type Ib has all the clinical manifestations of glycogen storage disease type Ia such as hepatomegaly, growth retardation, bleeding tendency, hypoglycemia, hyperlactacidemia, hyperuricemia, hyperlipidemia, impaired platelet function plus neutropenia. The overall glucose-6-phosphatase activity in disrupted microsomes from liver is normal whereas glucose-6-phosphate translocase, the first enzyme in the glucose-6-phosphate transport system is absent. There is no glucose-6-phosphatase activity in vivo. Recent results show that in granulocytes the glucose-6-phosphate-dependent hexosemonophosphate-shunt is impaired.
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    Springer
    European journal of pediatrics 143 (1984), S. 7-9 
    ISSN: 1432-1076
    Keywords: Glycogen storage disease type Ib ; Familial bleeding tendency ; Platelet dysfunction ; von Willebrand disease
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract A mild bleeding tendency with characteristics of the von Willebrand disease was documented in family members of a girl with glycogen storage disease type Ib (GSD) Ib). It was assumed that a defective glucose-6-phosphate dependent microsomal glycoprotein synthesis was involved in the bleeding disorder of the patient and the GSD Ib heterozygotes.
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    Springer
    European journal of pediatrics 135 (1981), S. 325-325 
    ISSN: 1432-1076
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    Springer
    European journal of pediatrics 131 (1979), S. 33-41 
    ISSN: 1432-1076
    Keywords: Hyperdibasicaminoaciduria ; Lysinuric protein intolerance ; Loading tests ; Lysine ; Alanine ; Arginine
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The first patient of Turkish descent with hyperdibasicaminoaciduria is described. Recurrent diarrhea was observed only during the first three months of life. The infant exhibited low plasma levels of ornithine and arginine. Intestinal absorption of lysine was decreased. Hyperammonemia was noticed only after an i.v. alanine load. It was prevented by addition of arginine.
    Type of Medium: Electronic Resource
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  • 10
    ISSN: 1432-1076
    Keywords: Glycogenosis ; Granulocytopenia
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
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