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MDM2 and Aurora Kinase a Contribute to SETD2 Loss of Function in Advanced Systemic Mastocytosis: Implications for Pathogenesis and Treatment
The SETD2 gene encodes the only methyltransferase responsible for histone H3 lysine 36 trimethylation (H3K36Me3) in humans. H3K36me3 play a key role in preserving the fidelity of transcription elongation and splicing. In addition, SETD2/H3K36me3 have more recently been implicated in the maintenance of genomic integrity by regulating homologous recombination (HR) repair, Mismatch Repair (MMR) mitotic spindle assembly and chromosome segregation. SETD2 deletions and/or inactivating mutations occur in many solid tumors and have recently been found also in acute leukemias. We have reported that the HMC-1.1 and -1.2 mast cell le...
Source: Blood - November 21, 2018 Category: Hematology Authors: Mancini, M., Monaldi, C., De Santis, S., Papayannidis, C., Rondoni, M., Bavaro, L., Martelli, M., Maria Chiara, A., Curti, A., Ficarra, E., Paciello, G., Fontana, M. C., Zanotti, R., Bonifacio, M., Scaffidi, L., Pagano, L., Criscuolo, M., Albano, F., Cice Tags: 635. Myeloproliferative Syndromes: Basic Science: Poster I Source Type: research

Concomitant Targeting of FLT3 and BTK with CG'806 Overcomes FLT3-Inhibitor Resistance through Inhibition of Autophagy
Fms-like tyrosine kinase 3 (FLT3)-targeted therapy represents an important paradigm in the management of patients with highly aggressive FLT3 mutated acute myeloid leukemia (AML). However, clinical efficacy is usually transient and followed by emergence of resistance to FLT3-inhibitors (Borthakur et al., 2011; Cortes et al., 2013; Zhang et al., 2008). Such resistance often results from acquired mutations of TKD, which are frequently identified in D835, Y842 and F691 residues (Smith et al., 2015; Smith et al., 2012; Zhang et al., 2014). It was reported that the FLT3-ITD-targeting drug sorafenib can induce autophagy in human...
Source: Blood - November 21, 2018 Category: Hematology Authors: Zhang, W., Yu, G., Zhang, H., Ly, C., Yuan, B., Ruvolo, V., Piya, S., Bhattacharya, S., Zhang, Q., Borthakur, G., Battula, V. L., Konopleva, M. Y., Rice, W. G., Andreeff, M. Tags: 604. Molecular Pharmacology and Drug Resistance in Myeloid Diseases: Poster II Source Type: research