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ESKM, a novel therapeutic agent for sensitive and resistant PH+ leukemias

The mechanism of resistance to JAK2 inhibitor in myeloproliferative neoplasms patients

Effects of PARP inhibitors in BRCA gene-mutated ovarian cancer

DASATINIB; An inhibitor of Receptor Tyrosine Kinase

GP130/JAK/STAT3 signaling pathway induces multiple myeloma

Blog of Signaling Pathways

A Genome-Wide CRISPR Screen Identifies Genes Critical for Resistance to FLT3 Inhibitor AC220

803 views | Mar 07 2019

Hou P et al. identified novel genes whose loss of function conferred resistance to a selective FLT3 inhibitor, providing new insight into signaling pathways that contribute to acquired resistance in AML. [Read the Full Post]

In vivo structure-activity relationship study of dorsomorphin analogues identifies selective VEGF and BMP inhibitors

568 views | Mar 07 2019

Hao J et al. demonstrated the potential of zebrafish as an attractive complementary platform for drug development that incorporates an assessment of in vivo bioactivity and selectivity in the context of a living organism. [Read the Full Post]

Combination treatment with docetaxel and histone deacetylase inhibitors downregulates androgen receptor signaling in castration-resistant prostate cancer

727 views | Mar 06 2019

Park SE et al. suggested that docetaxel, in combination with HDACIs, suppressed the expression and nuclear translocation of AR-FL and AR-Vs and showed synergistic anti-proliferative effect in CRPC cells. This combination therapy may be useful for the treatment of patients with CRPC. [Read the Full Post]

Inhibition of H3K27me3 Histone Demethylase Activity Prevents the Proliferative Regeneration of Zebrafish Lateral Line Neuromasts

954 views | Mar 06 2019

Bao B et al. indicated that H3K27me3 demethylation is a key epigenetic regulator in the process of hair cell regeneration in zebrafish and suggest that H3K27me3 histone demethylase activity might be a novel therapeutic target for the treatment of hearing loss. [Read the Full Post]

Quizartinib (AC220) reverses ABCG2-mediated multidrug resistance: In vitro and in vivo studies

746 views | Mar 05 2019

Li J et al. demonstrated that quizartinib potentiates the antineoplastic activity of wild-type and R482T mutant ABCG2 substrates. These findings may be useful in clinical practice for cancer combination therapy with quizartinib. [Read the Full Post]

Nutlin-3a selects for cells harbouring TP53 mutations

586 views | Mar 04 2019

Kucab JE et al. suggested that including a Nutlin-3a counter-screen significantly improves the specificity and efficiency of the HIMA, whereby TP53-mutated clones are selected prior to sequencing and TP53-WT clones can be discarded. [Read the Full Post]

Risk of anastomotic dehiscence in patients with pulmonary fibrosis transplanted while receiving anti-fibrotics: Experience of the Australian Lung Transplant Collaborative

820 views | Mar 04 2019

Mackintosh JA et al. showed the incidence of bronchial dehiscence after transplantation for IPF is low and is not significantly higher in patients receiving anti-fibrotic therapy at the time of transplantation. [Read the Full Post]

Efficacy of BIBF 1120 or BIBF 1120 plus chemotherapy on nasopharyngeal carcinoma in vitro and in vivo

938 views | Mar 04 2019

Xue C et al. indicated that BIBF 1120 administered in conjunction with chemotherapy might provide an effective treatment method for NPC. [Read the Full Post]

Sotrastaurin in calcineurin inhibitor-free regimen using everolimus in de novo kidney transplant recipients

797 views | Mar 03 2019

Tedesco-Silva H et al. indicated that sotrastaurin combined with EVR showed higher efficacy failure rates and some improvement in renal allograft function compared to a CsA-based therapy. [Read the Full Post]

UBE2S mediates tumor progression via SOX6/β-Catenin signaling in endometrial cancer

1683 views | Mar 03 2019

Lin M et al. suggested UBE2S may serve as a promising prognostic factor and function as an oncogene in EMC. The newly identified UBE2S/SOX6/β-Catenin axis represents a new potential therapeutic target for EMC intervention. [Read the Full Post]

Binding of the anticancer drug BI-2536 to human serum albumin. A spectroscopic and theoretical study

525 views | Mar 01 2019

Fernández-Sainz J et al. showed that the main protein-drug interactions are of the van der Waals type although the presence of amide and ether groups in BI-2536 could also allow H-bonding with some residues in the subdomain IIA pocket. [Read the Full Post]

Cyclopamine: from cyclops lambs to cancer treatment

635 views | Mar 01 2019

Lee ST et al. showed inhibitors of the Hh signaling pathway, including cyclopamine derivatives, have been targeted as potential treatments for certain cancers and other diseases associated with the Hh signaling pathway. [Read the Full Post]

Antiangiogenic Effects of Doxazosin on Experimental Choroidal Neovascularization in Mice

565 views | Feb 28 2019

Guo J et al. found that Doxazosin exerts antiangiogenic actions in an experimental mouse model of CNV and may be a potential adjunctive therapy for neovascular age-related macular degeneration in humans. [Read the Full Post]

ΔNp63 drives metastasis in breast cancer cells via PI3K/CD44v6 axis

617 views | Feb 28 2019

Di Franco S et al. found that tumor microenvironmental cytokines significantly contribute to the establishment of breast cancer cell phenotype by positively regulating ΔNp63 and CD44v6 expression. [Read the Full Post]

Inactivation of PBX3 and HOXA9 by down-regulating H3K79 methylation represses NPM1-mutated leukemic cell survival

986 views | Feb 27 2019

Zhang W et al. indicated that NPMc+ leukemic cell survival requires upregulation of PBX3 and HOXA9, and this action can be largely attenuated by a DOT1L inhibitor. [Read the Full Post]

LY2109761 inhibits metastasis and enhances chemosensitivity in osteosarcoma MG-63 cells

735 views | Feb 27 2019

Ren XF et al. indicated that LY2109761 suppresses OS metastasis and enhanced chemosensitivity by targeting S100A4. LY2109761 may have important implications for the development of strategies for inhibiting metastasis and overcoming OS cell resistance to chemotherapy. [Read the Full Post]

Anti-inflammatory and chondroprotective effects of the S-adenosylhomocysteine hydrolase inhibitor 3-Deazaneplanocin A, in human articular chondrocytes

435 views | Feb 26 2019

Aury-Landas J et al. showed DZNep up-regulated cartilage specific genes, such as COL2A1 and SOX9, suggesting a chondroprotective effect of DZNep. DZNep exhibits anti-inflammatory effects, and regulates genes implicated in chondroprotective response in human articular chondrocytes, suggesting that inhibitors of S-adenosylmethionine-dependent methyltransferases could be effective treatments for OA. [Read the Full Post]

DZNep is a global histone methylation inhibitor that reactivates developmental genes not silenced by DNA methylation

569 views | Feb 26 2019

Miranda TB et al. suggested that there is a homeostatic mechanism that returns the histone modifications to their "ground state" after DZNep treatment. Our data show the strong need for further development of histone methylation inhibitors. [Read the Full Post]

Microglial modulation through colony-stimulating factor-1 receptor inhibition attenuates demyelination

479 views | Feb 25 2019

Wies Mancini VSB et al. showed that BLZ945 induced a significant reduction in the number of microglia. Preventive BLZ945 treatment attenuated demyelination in the acute CPZ model, mainly in cortex and external capsule. In contrast, BLZ945 treatment in the acute CPZ model failed to protect myelin or foster remyelination in myelin-rich areas, which may respond to a loss in microglial phagocytic capacity and the consequent impairment in oligodendroglial differentiation. Preventive and therapeutic BLZ945 treatment promoted remyelination and neuroprotection in the chronic model. These results could be potentially transferred to the treatment of progressive forms of MS. [Read the Full Post]

RSL3 and Erastin differentially regulate redox signaling to promote Smac mimetic-induced cell death

570 views | Feb 25 2019

Dächert J et al. indicated that RSL3/BV6 and Erastin/BV6 differentially regulate redox signaling and cell death in ALL cells. While RSL3/BV6 cotreatment induces ferroptotic cell death, Erastin/BV6 stimulates oxidative cell death independently of iron. These findings have important implications for the therapeutic targeting of redox signaling to enhance Smac mimetic-induced cell death in ALL. [Read the Full Post]