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Abberant cytogeneti...
Abberant cytogenetic evolution pattern of Philadelphia-positive chronic myeloid leukemia treated with interferon-alpha
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Johansson, B (författare)
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- Fioretos, Thoas (författare)
- Lund University,Lunds universitet,Avdelningen för klinisk genetik,Institutionen för laboratoriemedicin,Medicinska fakulteten,Division of Clinical Genetics,Department of Laboratory Medicine,Faculty of Medicine
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Billstrom, R (författare)
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visa fler...
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- Mitelman, Felix (författare)
- Lund University,Lunds universitet,Avdelningen för klinisk genetik,Institutionen för laboratoriemedicin,Medicinska fakulteten,Division of Clinical Genetics,Department of Laboratory Medicine,Faculty of Medicine
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visa färre...
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(creator_code:org_t)
- 1996
- 1996
- Engelska.
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Ingår i: Leukemia. - 1476-5551. ; 10:7, s. 1134-1138
- Relaterad länk:
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https://lup.lub.lu.s...
Abstract
Ämnesord
Stäng
- The cytogenetic evolution of 32 Philadelphia (Ph)-positive chronic myeloid leukemias (CML) receiving interferon-alpha (IFN-alpha) therapy was compared to the patterns in untreated CML and cases treated with busulfan (Bu), hydroxyurea (Hy), and allogeneic bone marrow transplantation (BMT). Half of the CML receiving IFN-alpha had at least one of the well-known major or minor route aberrations whereas 16 cases displayed unusual secondary abnormalities, of which only del(7p) and del(13q) were recurrent; a frequency significantly higher than in CML without therapy or after Bu and Hy treatment (P < 0.001) but similar to the one found post-BMT. The incidence of cases with cytogenetically divergent subclones, ie cell populations with unrelated aberrations in addition to the t(9;22), was also higher in the IFN-alpha group compared to the untreated, Bu and Hy groups (P < 0.01) but similar to the post-BMT group. Finally, 14 of the 32 IFN-alpha-treated CML displayed cytogenetic evolution already during the chronic phase; again a higher incidence than in the untreated, Bu and Hy groups (P < 0.001) but not different from the post-BMT group. These findings strongly indicate that IFN-alpha, directly or indirectly, can induce clones with aberrant chromosomal evolution patterns to evolve and proliferate, but the mechanisms underlying these cytogenetic peculiarities remain to be elucidated.
Ämnesord
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Cancer och onkologi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Cancer and Oncology (hsv//eng)
Publikations- och innehållstyp
- art (ämneskategori)
- ref (ämneskategori)
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Leukemia
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