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Cited by 466

The DOI matches its Crossref record; 78 of the 78 references it cites were found in a registry or an index.

Disruption of KMT2D perturbs germinal center B cell development and promotes lymphomagenesis

Open access
Zhang, Jiyuan, Dominguez-Sola, David, Hussein, Shafinaz, Lee, Ji-Eun, Holmes, Antony B, Bansal, Mukesh, Vlasevska, Sofija, Mo, Tongwei, Tang, Hongyan, Basso, Katia, Ge, Kai, Dalla-Favera, Riccardo, Pasqualucci, Laura·2015·Nature Medicine

Abstract

Mutations in the gene encoding the KMT2D (or MLL2) methyltransferase are highly recurrent and occur early during tumorigenesis in diffuse large B cell lymphoma (DLBCL) and follicular lymphoma (FL). However, the functional consequences of these mutations and their role in lymphomagenesis are unknown. Here we show that FL- and DLBCL-associated KMT2D mutations impair KMT2D enzymatic activity, leading to diminished global H3K4 methylation in germinal-center (GC) B cells and DLBCL cells. Conditional deletion of Kmt2d early during B cell development, but not after initiation of the GC reaction, results in an increase in GC B cells and enhances B cell proliferation in mice. Moreover, genetic ablation of Kmt2d in mice overexpressing Bcl2 increases the incidence of GC-derived lymphomas resembling human tumors. These findings suggest that KMT2D acts as a tumor suppressor gene whose early loss facilitates lymphomagenesis by remodeling the epigenetic landscape of the cancer precursor cells. Eradication of KMT2D-deficient cells may thus represent a rational therapeutic approach for targeting early tumorigenic events.

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Crossref · 10.1038/nm.3940

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Metadata

Authors
Zhang, J., Dominguez-Sola, D., Hussein, S., Lee, J.-E., Holmes, A. B., Bansal, M., Vlasevska, S., Mo, T., Tang, H., Basso, K., Ge, K., Dalla-Favera, R., & Pasqualucci, L.
Venue
Nature Medicine
Published
2015-09-14
Volume
21
Issue
10
Pages
1190-1198
ISSN
  • 1078-8956 (ISSN-L)
  • 1546-170X
OpenAlex
W2216217499
Cited by
466
References
78
FWCI
24.09
Type
journal article
Language
en
Open access
green

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