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  • 1
    Electronic Resource
    Electronic Resource
    Rearrangements of bcl-6, bcl-2, c-myc and 6q deletion in B-diffuse large-cell lymphoma: Clinical relevance in 71 patients (1998)
    Springer
    Annals of oncology 9 (1998), S. 55-61 
    Details
    ISSN: 1569-8041
    Keywords: B-DLCL ; clinical correlations ; genetic lesions ; outcome
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Background: B-diffuse large-cell lymphomas (DLCL) have been associated with some molecular lesions, but the role of such lesions as prognostic markers is still controversial. This report concerns an investigation of the frequency and clinical correlation of bcl-6, bcl-2, c-myc rearrangements and 6(q) deletions in B-DLCL. Patients and methods: The presence of these genetic lesions was analyzed in samples of lymph nodes or bone marrow collected at diagnosis in 71 patients with B-DLCL, all treated with an antracycline-containing chemotherapy regimen. Results: Rearrangement of bcl-6 was found in 11 patients (15%), rearranged bcl-2 in 12 (17%), 6(q) deletions in 10 patients (14%) and c-myc rearrangement in four (6%). Patients with rearranged bcl-6 tended to have a more aggressive disease than patients with germ-line bcl-6 (intermediate–high/high risk according to IPI criteria: 73% vs. 43%), but there were no differences in three-year survival rates (62% vs. 42%) between the two groups. The numbers of involved extranodal sites were similar in patients with rearranged and those with germ-line bcl-6. Patients with bcl-2 rearrangement appeared to have a less aggressive disease than those with germ-line bcl-2 (low/low–intermediate risk 75% vs. 47%) and a slightly better three-year survival rate (70% vs. 41%) but again the difference was not significant. Both groups with or without 6(q) deletion had similar clinical characteristics and outcomes. The four patients with c-myc rearrangement had aggressive disease and did poorly. Conclusions: The analysis of molecular lesions in B-DLCL may be useful for a better diagnostic definition; however, in this study we were unable to show that the evaluated genetic lesions had a significant impact on clinical outcome.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1008201729596
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    7q-and loss of a polymorphism for the met oncogene in a patient with myelofibrosis (1987)
    Springer
    Cytotechnology 1 (1987), S. 37-40 
    Details
    ISSN: 1573-0778
    Keywords: deletion 7q ; met oncogene ; myelofibrosis
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Abstract The met oncogene is the normal counterpart of a chemically-induced transforming gene. The chromosomal localization of met is 7q21–31. In a patient with myelofibrosis and an interstitial deletion on 7q, we demonstrate that a Taq I polymorphism for the met oncogene is lost in the neoplastic cells, thus indicating that the deletion occuring in the long arm of chromosome 7 involves the met locus.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00351120
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    Paper (German National Licenses)
    Fulltext
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