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Title: Frequent occurrence of BCL6 rearrangements in nodular lymphocyte predominance Hodgkin lymphoma but not in classical Hodgkin lymphoma
Authors: Wlodarska, Iwona ×
Nooyen, Peet
Maes, Brigitte
Martin-Subero, José I
Siebert, Reiner
Pauwels, Patrick
Peeters, Christiane
Hagemeijer-Hausman, Anne #
Issue Date: Jan-2003
Series Title: Blood vol:101 issue:2 pages:706-10
Abstract: We studied the genomic status of BCL6 in 23 cases of nodular lymphocyte predominance Hodgkin lymphoma (NLPHL) and 40 cases of classical Hodgkin lymphoma (cHL), using dual-color interphase fluorescence in situ hybridization (FISH). The BCL6 rearrangement was identified in 48% of NLPHL cases and was not detected in cHL cases. As a confirmation, sequential or simultaneous immunohistochemistry (IHC) and FISH using CD20 or BCL6 antibodies and BCL6 DNA probes was performed in 8 NLPHL cases. The BCL6-associated translocations, t(3;22)(q27;q11), t(3;7)(q27;p12), and the most probable t(3;9)(q27;p13), were identified in 3 cases. A consistent expression of BCL6 protein in popcorn cells with the highest number of intensely stained cells in cases with a genomic BCL6 rearrangement was shown by IHC. These findings support the hypothesis of a germinal center B cell-derived origin of NLPHL, indicate a significant role of BCL6 in the pathogenesis of NLPHL, and provide further evidence of the genetic diversity underlying the pathogenesis of NLPHL and cHL.
ISSN: 0006-4971
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Clinical Genetics Section (-)
Laboratory for Genetics of Malignant Disorders
× corresponding author
# (joint) last author

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