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Lookup NU author(s): Professor Christine Harrison FRCPath FMedSci,
Professor Anthony Moorman
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The recurrent t(14;19)(q32;q13) translocation associated with chronic B-cell lymphoproliferative disorders, such as atypical chronic lymphocytic leukemia, results in the juxtaposition of the IGH@ and BCL3 genes and subsequent overexpression of BCL3. We report six patients with B-cell precursor acute lymphoblastic leukemia who have a cytogenetically identical translocation with different breakpoints at the molecular level. Fluorescence in situ hybridization with locus-specific probes confirmed the involvement of the IGH@ gene but showed that the breakpoint on 19q13 lay outside the region documented in t(14;19)(q32;q13)-positive chronic lymphocytic leukemia. This newly described translocation constitutes a distinct cytogenetic subgroup that is confined to older children and younger adults with B-cell precursor acute lymphoblastic leukemia.
Author(s): Robinson HM, Taylor KE, Jalali GR, Cheung KL, Harrison CJ, Moorman AV
Publication type: Article
Publication status: Published
Journal: Genes, Chromosomes and Cancer
ISSN (print): 1045-2257
ISSN (electronic): 1098-2264
Notes: Journal Article
Research Support, Non-U.S. Gov't
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