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  • Asialo-erythropoietin-activation in vivo  (1)
  • Bone marrow culture  (1)
  • Exanthem  (1)
  • 1
    Digitale Medien
    Digitale Medien
    Springer
    European journal of pediatrics 129 (1978), S. 279-284 
    ISSN: 1432-1076
    Schlagwort(e): Human CFU-E ; Human CFU-C ; Bone marrow culture ; Erythropoiesis ; Granulopoiesis ; Renal anaemia ; Uraemia
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Abstract Anaemia is a frequent symptom in children with chronic uraemia. There is only limited information about committed haemopoietic stem-cell function in renal insufficiency. The ability of bone-marrow cells to form erythropoietic and granulopoietic cell colonies in vitro was therefore tested in 13 children with chronic renal insufficiency. Following separation of mononuclear cells from bone-marrow aspirates by Ficoll-Isopaque gradient centrifugation, erythropoietic precursor cells were stimulated in plasma clots by erythropoietin. Granulopoietic precursor cells were stimulated in soft-agar gel using feeder layers of normal human leukocytes. The colonies were identified by staining and counted. The number and proliferative capacity of erythropoietic precursor cells (CFU-E) did not seem to be significantly suppressed. Under in vitro conditions, the responsiveness of CFU-E to erythropoietin seemed to be normal. Addition of autologous serum resulted in different degrees of inhibition of erythroid colony formation. The inhibitory effect of the sera was also obvious when uraemic sera were added to bone-marrow cells from subjects without renal disease. Preliminary data indicate that haemodialysis is effective in reducing this inhibitory activity which may be an important factor in the pathogenesis of anaemia in chronic renal insufficiency. The numbers and proliferative capacity of granulopoietic precursor cells (CFU-C) were normal in all the children tested.
    Materialart: Digitale Medien
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 2
    Digitale Medien
    Digitale Medien
    Springer
    Annals of hematology 44 (1982), S. 173-175 
    ISSN: 1432-0584
    Schlagwort(e): Asialo-glycophorin ; Asialo-erythropoietin-activation in vivo
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Summary In vitro active asialo-erythropoietin has no effect on hemesynthesis in vivo. Asialo-glycophorin induces a very low 59Fe-uptake rate in heme in exhypoxic polycythemic mice. The combination of asialo-erythropoietin and asialo-glycophorin or asialo-fetuin induced an activation comparable to the activation by native erythropoietin. Obviously the combination of asialo-erythropoietin and tested glycoproteins influence the activity of erythropoiesis-stimulating capacity of asialo-erythropoietin.
    Materialart: Digitale Medien
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 3
    Digitale Medien
    Digitale Medien
    Springer
    Monatsschrift Kinderheilkunde 145 (1997), S. 109-113 
    ISSN: 1433-0474
    Schlagwort(e): Schlüsselwörter Carbamazepin ; Hypersensitivitätssyndrom ; Fieber ; Exanthem ; Lymphadenopathie ; Key words Carbamazepine ; Hypersensitivity syndrome ; Fever ; Skin rash ; Lymphadenopathy
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Beschreibung / Inhaltsverzeichnis: Summary 2 weeks after initiation of carbamazepine therapy a 3 year old boy presented with skin rash, fever, lymphadenopathy, hepatosplenomegaly and nephritis. After exclusion of infectious diseases our differential diagnosis focussed on carbamazepine induced hypersensitivity syndrome. We found a positive lymphocyte transformation assay and patch test to carbamazepine, indicating a specific response, but no anti-carbamazepine antibody, no circulating immune complexes and no decrease in complement components. The hypersensitivity syndrome refers to a severe hypersensitivity response due to a idiosyncratic reaction. The origin is unknown. The similarity to other multisystem disorders is discussed. Discussion: Not only aromatic antiepileptic agents (carbamazepine, phenobarbital, phenytoin) sulfonamides but as well allopurinol and gold salts are associated with the syndrome. Withdrawal of the drug and treatment with corticosteroids usually lead to complete recovery.
    Notizen: Zusammenfassung Wir berichten über einen 3 jährigen Jungen, der 2 Wochen nach Beginn einer antiepileptischen Behandlung an einem Carbamazepin-induzierten Hypersensitivitätssyndrom, bestehend aus therapieresistentem Fieber, polymorphem Exanthem, oropharyngealen Läsionen, generalisierter Lymphadenopathie, Hepatosplenomegalie und Nephritis, erkrankte. Wir fanden positive Lymphozytenstimulations- und Epikutantests auf Carbamazepin als Ausdruck einer spezifischen Überempfindlichkeit. Spezifische Anti-Carbamazepin-Antikörper, zirkulierende Immunkomplexe oder eine Komplementerniedrigung waren nicht nachweisbar. Es handelt sich um eine Überempfindlichkeitsreaktion unbekannter Ätiologie im Sinn einer Idiosynkrasie. Nach Ausschluß infektiöser Ursachen wird die Differentialdiagnose zu anderen Systemerkrankungen erörtert. Diskussion: Neben aromatischen Antikonvulsiva (Carbamazepin, Phenobarbital, Phenytoin) sind Sulfonamide und Goldsalze mögliche Auslöser eines Hypersensitivitätssyndroms. Absetzen des Induktors und systemische Kortikosteroide führen in der Regel zur vollständigen Remission.
    Materialart: Digitale Medien
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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