Deprecated: Implicit conversion from float 211.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534
Deprecated: Implicit conversion from float 211.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Curr+Opin+Hematol 2016 ; 23 (4): 362-70 Nephropedia Template TP
gab.com Text
Twit Text FOAVip
Twit Text #
English Wikipedia
Oncogenic Notch signaling in T and B cell lymphoproliferative disorders #MMPMID27135981
Chiang MY; Radojcic V; Maillard I
Curr Opin Hematol 2016[Jul]; 23 (4): 362-70 PMID27135981show ga
Purpose of review: Highlight recent discoveries about Notch activation and its oncogenic functions in lymphoid malignancies, and discuss the therapeutic potential of Notch inhibition. Recent findings: NOTCH mutations arise in a broad spectrum of lymphoid malignancies and are increasingly scrutinized as putative therapeutic targets. In T cell acute lymphoblastic leukemia (T-ALL), NOTCH1 mutations affect the extracellular negative regulatory region and lead to constitutive Notch activation, although mutated receptors remain sensitive to Notch ligands. Other NOTCH1 mutations in T-ALL and NOTCH1/2 mutations in multiple B cell malignancies truncate the C-terminal PEST domain, leading to decreased Notch degradation after ligand-mediated activation. Thus, targeting Notch ligand-receptor interactions could provide therapeutic benefits. In addition, we discuss recent reports on clinical testing of Notch inhibitors in T-ALL that influenced contemporary thinking on the challenges of targeting Notch in cancer. We review advances in the laboratory to address these challenges in regards to drug targets, the Notch-driven metabolome, and the sophisticated protein-protein interactions at Notch-dependent super-enhancers that underlie oncogenic Notch functions. Summary: Notch signaling is a recurrent oncogenic pathway in multiple T and B cell lymphoproliferative disorders. Understanding the complexity and consequences of Notch activation is critical to define optimal therapeutic strategies targeting the Notch pathway.