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Updated: Jun 3, 2026

VDJ-Seq: Deep Sequencing Analysis of Rearranged Immunoglobulin Heavy Chain Gene to Reveal Clonal Evolution Patterns of B Cell Lymphoma
Published on: December 28, 2015
Evolutionary sequence of cytogenetic aberrations during the oncogenesis of plasma cell disorders. Direct evidence at
Zsófia Nagy1, Béla Kajtár, Pál Jáksó
1Department of Pathology, University of Pécs, Pécs, Hungary.
Abstract:
Bone marrow specimens from 185 patients with plasma cell disorders (PCD) were investigated by fluorescence in situ hybridization (FISH) in order to determine the temporal sequence of cytogenetic aberrations. In 25 cases combined FISH analysis has also been performed at single cell level. Clonal evolution was observed in 16% of cases. The Δ13 was preceded by t(4;14)(p16;q32) and t(14;16)(q32;q23) translocations. Deletion of p53 gene was a secondary aberration compared to Δ13 and t(11;14)(q13;q32) translocation. In 22% of all cases with recurrent IGH translocation, this aberration was presented only in a subset of purified plasma cells questioning its initiating role.
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