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  • 1
    Electronic Resource
    Electronic Resource
    Akute Leukämie nach Nierentransplantation (1980)
    Springer
    Annals of hematology 40 (1980), S. 343-348 
    Details
    ISSN: 1432-0584
    Keywords: Acute leukemia ; Immunosuppressive therapy ; Kidney allotransplantation ; Akute Leukämie ; Immunosuppression ; Nierenallotransplantation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung In der Literatur sind vier Fälle mit Entwicklung einer akuten myeloischen und sechs Fälle mit Entwicklung einer chronischen myeloischen Leukämie unter Immunosuppression mit Azathioprin und Prednison bei nierentransplantierten Patienten beschrieben. Wir berichten über zwei weitere akute Leukämien während chronischer Immunosuppression bei Zustand nach Nierentransplantation. Der erste, 29jährige Patient entwickelte zehn Jahre nach erfolgreicher Nierentransplantation die Zeichen einer akuten lymphatischen Leukämie. Beim zweiten, 47jährigen Patienten wurden fünf Jahre nach erfolgreicher Nierentransplantation Hepatosplenomegalie und Pancytopenie beobachtet; nach Splenektomie wurde die Diagnose einer subakuten myeloischen Leukämie gestellt. Beide Patienten standen unter langdauernder immunosuppressiver Therapie (Azathioprin und Prednison),die in beiden Fällen nach der Diagnose einer Leukämie abgesetzt wurde. Ein Zusammenhang zwischen dem Auftreten der Leukämie und der chronischen Immunosuppression wird postuliert.
    Notes: Summary Four cases of acute myelogenous leukemia and six cases of chronic myelogenous leukemia after treatment with azathioprine and prednisone for renal allotransplantation have been described in the literature. We report another two cases of acute leukemia 10 and 5 years after successful renal allotransplantation. Patient 1, a 29-year-old farmer, exhibited the signs of acute lymphatic leukemia resistent to treatment with cytostatic agents. Death was due to pneumonia. Patient 2, a 47-year-old salesman, developed pancytopenia together with splenomegaly. After splenectomy an atypical subacute myeloid leukemia became apparent which was not treated due to withdrawal of the patient. He died 2 months after diagnosis. Both patients received long-term immunosuppressive therapy with azathiopine and prednisone until the leukemia was diagnosed. A relationship between long-term immunosuppression and the occurrence of leukemia is postulated.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01025589
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  • 2
    Electronic Resource
    Electronic Resource
    Complex relation between triazine-susceptible phenotype and genotype in the weed Senecio vulgaris may be caused by chloroplast DNA polymorphism (1999)
    Springer
    Theoretical and applied genetics 99 (1999), S. 578-586 
    Details
    ISSN: 1432-2242
    Keywords: Key words CpDNA polymorphism ; Heteroplasmy ; psbA gene ; Triazine resistance ; Senecio vulgaris
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract  The weed Senecio vulgaris acquired high levels of resistance to triazine herbicides soon after the latter’s introduction. As in most weeds, triazine resistance is conferred by a point mutation in the chloroplast psbA gene that negatively affects the fitness of its carrier. To assess levels of triazine resistance in S. vulgaris field populations, we adopted a PCR-RFLP-based molecular diagnostic test recently developed for the triazine resistance-conferring region of the psbA gene of other weeds, including Brassica napus, Chenopodium spp. and Amaranthus spp., and compared these molecular results to the phenotypic response after triazine application. A highly significant linear correlation was found between phytotoxic symptoms and biomass reduction. Variability in phenotypic response was not only found between populations or inbred lines of S. vulgaris but also within replicates of the same inbred line. No clear relationship, however, was found between the DNA restriction pattern and the phenotypic response to triazine application, thereby throwing doubt on the use of such molecular diagnostic tests to track triazine resistance in S. vulgaris. Our results indicate that the chloroplast genome of S. vulgaris is polymorphic and that the level of polymorphism may be variable within single leaves of individual plants. We discuss the possible genetic basis of this polymorphism and its consequence for the acquisition and inheritance of chloroplast-based traits.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s001220051271
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    Paper (German National Licenses)
    Fulltext
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