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Bcl-x gene expression in Hodgkin's disease
D Schlaifer1, S Krajewski, F Rigal-Huguet
1Service d'Hématologie, Clinique Dieulafoy, Centre Hospitalier Universitaire, Hôpital de Purpan, Toulouse, France.
Abstract:
Bcl-x is a Bcl-2-family protein that has been previously detected in cortical thymocytes, plasma cells, and activated lymphocytes. We report here on the high detection rate of the Bcl-x protein found in 86% of Hodgkin's disease samples and on the significance regarding its complex role among the Bcl-2-family of proteins: Bcl-x is known to heterodimerize with Bcl-2 (an anti-apoptosis protein) and with Bax, a potent inducer of cell death. Moreover, recent evidences show that Bcl-x may induce multiple drug resistance in vitro, suggesting that chemical or biological interactions with this protein may have potential therapeutic value in Hodgkin's disease.