Article
Mutations in NOTCH1 PEST domain orchestrate CCL19-driven homing of chronic lymphocytic leukemia cells by modulating the tumor suppressor gene DUSP22.
Leukemia - 1 Sept 2017
Arruga F, Gizdic B, Bologna C, Cignetto S, Buonincontri R, Serra S, Vaisitti T, Gizzi K, Vitale N, Garaffo G, Mereu E, Diop F, Neri F, Incarnato D, Coscia M, Allan J, Piva R, Oliviero S, Furman R R, Rossi D, Gaidano G, Deaglio S
Abstract excerpt
Even if NOTCH1 is commonly mutated in chronic lymphocytic leukemia (CLL), its functional impact in the disease remains unclear. Using CRISPR/Cas9-generated Mec-1 cell line models, we show that NOTCH1 regulates growth and homing of CLL cells by dictating expression levels of the tumor suppressor gene DUSP22. Specifically, NOTCH1 affects the methylation of DUSP22 promoter by modulating a nuclear complex, which...
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