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  • 1
    ISSN: 1432-1076
    Keywords: Key words 3-Oxo-Δ4-steroid 5β-reductase deficiency ; 3-oxo-Δ4 bile acid ; Immunoblot analysis
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract A 3-oxo-Δ4-steroid 5β-reductase (5β-reductase) deficiency is difficult to diagnose because severe liver damage can result in a similar pattern of metabolite excretion. We investigated the usefulness of immunoblot analysis for diagnosis of 5β-reductase deficiency and quantitatively analysed urinary bile acids by gas chromatography-mass spectrometry in a 5-month-old Japanese boy with severe neonatal cholestasis associated with hypertyrosinaemia. A liver sample was examined by immunoblot analysis using monoclonal antibodies against 5β-reductase. Urinary 3-oxo-Δ4 bile acids accounted for 88.3% of total bile acids, 5α-bile acids for 0.9%, and primary bile acids for 9.1%. Immunoblot analysis of the liver tissue showed an indistinct band of 5β-reductase. Conclusions These findings suggest that this patient had a secondary 5β-reductase deficiency due to severe liver damage, even though 3-oxo-Δ4 bile acids constituted more than 70% of total urinary bile acids. However, the patient may possibly have had an inherited 5β-reductase deficiency.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Amsterdam : Elsevier
    Biochimica et Biophysica Acta (BBA)/Protein Structure and Molecular 1118 (1991), S. 59-69 
    ISSN: 0167-4838
    Keywords: Brain myosin ; Monoclonal antibody ; Myosin heavy-chain isoform
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Biology , Chemistry and Pharmacology , Medicine
    Type of Medium: Electronic Resource
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  • 3
    ISSN: 1437-1596
    Keywords: ABO blood groupin ; Contaminated bloodstains ; Sandwich ELISA ; Monoclonal antibody ; Red cell membrane band 3 ; ABO-Blutgruppenbestimmung ; Kontaminierte Blutspuren ; Sandwich ELISA ; Monoklonale Antikörper ; Erythrozytenmembran-Bande 3
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine , Law
    Description / Table of Contents: usammenfassung Die ABO-Blutgruppenbestimmung an menschlichen Blutspuren wurde mit Hilfe einer ELISA-Sandwichtechnik durchgeführt, indem ein Species-spezifischer monoklonaler Antikörper gegen die aminoterminale zytoplasmatische Domäne der menschlichen Erythrozytenmembran-Bande 3 benutzt wurde. In einem Blindversuch wurden alle A-, B- und O-Blutspuren (ein 1 cm langer Faden) und AB-Blutspuren (ein 1,5 cm langer Faden) mit dieser Methode richtig bestimmt. Auch wenn Blutspuren mit anderen Körperflüssigkeiten kontaminiert waren (z. B. Sperma, Speichel) wurden lediglich die ABO-Blutgruppen-Epitope auf der Bande 3 der Erythrozytenmembran nachgewiesen. Auf diese Weise konnte die Identifikation menschlichen Blutes und die Blutgruppenbestimmung von Blutspuren, welche mit anderen Körperflüssigkeiten kontaminiert waren, simultan mit dieser Methode durchgeführt werden.
    Notes: Summary ABO blood grouping of human bloodstains was performed by a sandwich ELISA using a species-specific monoclonal antibody to the amino-terminal cytoplasmic domain of human red cell membrane band 3. In a blind trial, all A, B and O bloodstains (a 1 cm long thread) and AB bloodstains (a 1.5 cm long thread) were accurately typed by this method. Even when bloodstains were contaminated by other body fluids (e.g., semen and saliva), only the ABO blood group epitopes on band 3 of the red cell membrane were detected. Thus, identification of human blood and ABO blood grouping of bloodstains which were contaminated by other body fluids could be simultaneously performed by this method.
    Type of Medium: Electronic Resource
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