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  • 1
    Electronic Resource
    Electronic Resource
    Amsterdam : Elsevier
    FEBS Letters 334 (1993), S. 149-152 
    ISSN: 0014-5793
    Keywords: Ankyrin-like repeat ; Domain ; Homology ; Protein kinase ; RNase
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Biology , Chemistry and Pharmacology , Physics
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1432-1963
    Keywords: Schlüsselwörter Kutane T-Zellymphome ; Klonalität ; Gamma-T-Zellrezeptor ; Polymerasekettenreaktion (PCR) ; Key words Cutaneous T-cell lymphoma ; Clonality ; Gamma-T-cell receptor ; Polymerase chain reaction
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Summary Differentiation of a cutaneous lymphoma from a reactive lymphoid infiltrate is a demanding challenge for the pathologist. In this retrospective study we examined 24 paraffin-embedded tissue samples from lesions diagnosed as lymphomas and 7 control samples of skin affected by benign changes and with pronounced lymphoid infiltrates for clonal rearrangement of the gamma T-cellreceptor. Using PCR technology we demonstrated clonality in 22 cases of lymphoma (92 %). Thus, the primer combination used in this study covering the four main groups (I–IV) of the variable region of the gamma T-cell receptor gene allows high sensitivity. No clonality was demonstrable in any of the 7 control cases. This study demonstrates the growing importance of PCR technology for the diagnosis of lymphoma.
    Notes: Zusammenfassung Die Unterscheidung eines kutanen Lymphoms von einem reaktiven lymphoiden Infiltrat gehört zu den anspruchsvollsten Differentialdiagnosen in der Dermatohistopathologie. Im Rahmen einer retrospektiven Studie untersuchten wir 24 in Paraffin eingebettete Proben von Hautveränderungen, bei denen klinisch und histologisch ein T-Zellymphom diagnostiziert wurde, auf ein klonales Rearrangement des Gamma-T-Zellrezeptors mittels der Polymerasekettenreaktion (PCR). Als Kontrollen wurden 7 Biopsien entzündlicher Hautveränderungen mit einem ausgeprägten lymphoiden Infiltrat untersucht. Der Klonalitätsnachweis gelang in 22 von 24 Fällen der Lymphome (92 %). Bei den 7 Kontrollbiopsien konnte keine Klonalität nachgewiesen werden. Insofern ermöglicht die von uns gewählte Primerkombination, die jede der vier Hauptgruppen des Gam- ma-T-Zellrezeptorgens (V γ 1–8, V γ 9, V γ 10 und V γ 11) berücksichtigt, eine hohe Sensitivität. Die Untersuchung bestätigt die wachsende Bedeutung dieser Technik für die Diagnostik von Lymphomen.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Springer
    Archives of dermatological research 292 (2000), S. 568-569 
    ISSN: 1432-069X
    Keywords: Keywords Lichen planus ; Clonality ; Pseudolymphoma
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Springer
    Journal of biomolecular NMR 1 (1991), S. 71-82 
    ISSN: 1573-5001
    Keywords: rop ; Protein conformation ; 2D NMR ; Molecular dynamics ; Repressor proteins
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Summary The structure of the ColE1 repressor of primer (rop) protein in solution was determined from the proton nuclear magnetic resonance data by a combined use of distance geometry and restrained molecular dynamics calculations. A set of structures was determined with low internal energy and virtually no violations of the experimental distance restraints. Rop forms homodimers: Two helical hairpins are arranged as an antiparallel four helix bundle with a left-handed rope-like twist of the helix axes and with left-handed bundle topology. The very compact packing of the side chains in the helix interfaces of the rop coiled-coil structure may well account for its high stability. Overall, the solution structure is highly similar to the recently determined X-ray structure (Banner, D.W., Kokkinidis, M. and Tsernoglou, D. (1987)J. Mol. Biol.,196, 657–675), although there are minor differences in regions where packing forces appear to influence the crystal structure.
    Type of Medium: Electronic Resource
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