Constitutive canonical NF-κB activation cooperates with disruption of BLIMP1 in the pathogenesis of activated B cell-like diffuse large cell lymphoma.
Constitutive canonical NF-κB activation cooperates with disruption of BLIMP1 in the pathogenesis of activated B cell-like diffuse large cell lymphoma.
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DOI:
10.1016/j.ccr.2010.11.024
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发表时间:
2010-12-14
期刊:
影响因子:
50.3
通讯作者:
Rajewsky K
中科院分区:
文献类型:
--
作者:
Calado DP;Zhang B;Srinivasan L;Sasaki Y;Seagal J;Unitt C;Rodig S;Kutok J;Tarakhovsky A;Schmidt-Supprian M;Rajewsky K
Diffuse large B-cell lymphoma (DLBCL) comprises disease entities with distinct genetic profiles, including germinal center B-cell (GCB) like and activated B-cell (ABC) like DLBCLs. Major differences between these two subtypes include genetic aberrations leading to constitutive NF-κB activation and interference with terminal B-cell differentiation through BLIMP1 inactivation, observed in ABC- but not GCB-DLBCL. Using conditional gain-of-function and/or loss-of-function mutagenesis in the mouse we show that constitutive activation of the canonical NF-κB pathway cooperates with disruption of BLIMP1 in the development of a lymphoma that resembles human ABC-DLBCL. Our work suggests that both NF-κB signaling, as an oncogenic event, and BLIMP1, as a tumor suppressor, play causal roles in the pathogenesis of ABC-DLBCL.
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