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Blog of Signaling Pathways

The Bruton tyrosine kinase inhibitor PCI-32765 blocks B-cell activation and is efficacious in models of autoimmune disease and B-cell malignancy

61 views | Jul 16 2019

Honigberg LA et al. support Btk inhibition as a therapeutic approach for the treatment of human diseases associated with activation of the BCR pathway. [Read the Full Post]

A novel antiandrogen, Compound 30, suppresses castration-resistant and MDV3100-resistant prostate cancer growth in vitro and in vivo

83 views | Jul 15 2019

Kuruma H et al. provided a preclinical proof-of-principle that Compound 30 could be a promising next generation anti-AR agent, especially in the context of antiandrogen-resistant tumors. [Read the Full Post]

Identification of a novel senolytic agent, navitoclax, targeting the Bcl-2 family of anti-apoptotic factors

56 views | Jul 15 2019

Zhu Y et al. showed the hypothesis-driven, bioinformatics-based approach we used to discover that dasatinib (D) and quercetin (Q) are senolytic can be extended to increase the repertoire of senolytic drugs, including additional cell type-specific senolytic agents. [Read the Full Post]

The PARP inhibitor AZD2281 (Olaparib) induces autophagy/mitophagy in BRCA1 and BRCA2 mutant breast cancer cells

62 views | Jul 14 2019

Arun B et al. indicated that the patients with BRCA1 allelic loss may also benefit from PARP inhibitor therapy if BRCA is further inhibited. [Read the Full Post]

BRCA1, PARP1 and γH2AX in acute myeloid leukemia: Role as biomarkers of response to the PARP inhibitor olaparib

185 views | Jul 14 2019

Faraoni I et al. showed the high sensitivity of AML blasts and the identification of biomarkers potentially able to predict response and/or resistance may foster further investigation of olaparib monotherapy for AML patients unfit to conventional chemotherapy. [Read the Full Post]

Signaling pathways and inhibitors of cells from patients with kaposiform lymphangiomatosis

93 views | Jul 13 2019

Boscolo E et al. demonstrated that cells from KLA patient lesions are highly proliferative and the PI3K-AKT-mTOR and MAPK pathways are promising therapeutic targets. [Read the Full Post]

Antiproliferative and Antimigratory Effects of a Novel YAP-TEAD Interaction Inhibitor Identified Using in Silico Molecular Docking

86 views | Jul 13 2019

Smith SA et al. reported the identification of a novel compound (CPD3.1) with the ability to disrupt YAP-TEAD protein-protein interaction and inhibit TEAD activity, cell proliferation, and cell migration. The YAP-TEAD complex is a viable drug target, and CPD3.1 is a lead compound for the development of more potent TEAD inhibitors for treating cancer and other hyperproliferative pathologies. [Read the Full Post]

Flavopiridol enhances ABT-199 sensitivity in unfavourable-risk multiple myeloma cells in vitro and in vivo

64 views | Jul 12 2019

Zhou L et al. argue that CDK9 inhibitors, for example, FP may increase the antimyeloma activity of ABT-199, including in unfavourable-risk MM minimally responsive to ABT-199 alone. [Read the Full Post]

Therapeutics targeting Bcl-2 in hematological malignancies

64 views | Jul 12 2019

Ruefli-Brasse A et al. review recent progress in direct and selective targeting of Bcl-2 family proteins for cancer therapy and the search for rationale combinations. [Read the Full Post]

A patent review of arginine methyltransferase inhibitors (2010-2018)

66 views | Jul 10 2019

Li X et al. summarized the updated patented inhibitors targeting PRMTs from 2010 to 2018. The authors illustrate the chemical structures, molecular mechanism of action, pharmacological activities as well as the potential clinical application including combination therapy and biomarker-guided therapy. PRMT inhibitors in clinical trials are also highlighted. The authors provide a future perspective for further development of potent and selective PRMT inhibitors. [Read the Full Post]

Airway Progenitor Clone Formation Is Enhanced by Y-27632-Dependent Changes in the Transcriptome

121 views | Jul 10 2019

Reynolds SD et al. concluded that Y-27632 fundamentally alters cell-cell and cell-ECM interactions, which preserves basal progenitor cells and allows greater cell amplification. [Read the Full Post]

Characterization of Three Novel H3F3A-mutated Giant Cell Tumor Cell Lines and Targeting of Their Wee1 Pathway

83 views | Jul 09 2019

Lübbehüsen C et al, offered valuable new tools for GCTB studies and presents a description of novel biomarkers and molecular targeting strategies. [Read the Full Post]

Vorapaxar: The Current Role and Future Directions of a Novel Protease-Activated Receptor Antagonist for Risk Reduction in Atherosclerotic Disease

67 views | Jul 09 2019

Gryka RJ et al. indicated vorapaxar provides clinicians with a novel mechanism of action to further reduce the burden of ischemic heart disease. Identification of patients with a high ischemic risk and low bleeding risk would enable clinicians to maximize the utility of this unique agent. [Read the Full Post]

JAK1/2 Inhibitors AZD1480 and CYT387 Inhibit Canine B-Cell Lymphoma Growth by Increasing Apoptosis and Disrupting Cell Proliferation

117 views | Jul 08 2019

Lu Z et al. justified further phase I/II clinical investigations of the safety and efficacy of JAK1/2 inhibitors in canine DLBCL and suggest new opportunities for novel anticancer therapies. [Read the Full Post]

Pevonedistat (MLN4924), a First-in-Class NEDD8-activating enzyme inhibitor, in patients with acute myeloid leukaemia and myelodysplastic syndromes: a phase 1 study

66 views | Jul 08 2019

Swords RT et al. indicated that administration of the first-in-class agent, pevonedistat, was feasible in patients with MDS and AML and modest clinical activity was observed. [Read the Full Post]

Maintenance Defactinib Versus Placebo After First-Line Chemotherapy in Patients With Merlin-Stratified Pleural Mesothelioma: COMMAND-A Double-Blind, Randomized, Phase II Study

72 views | Jul 07 2019

Fennell DA et al. indicated that neither PFS nor OS was improved by defactinib after first-line chemotherapy in patients with merlin-low MPM. Defactinibcannot be recommended as maintenance therapy for advanced MPM. [Read the Full Post]

Exogenous mesenchymal stem cells affect the function of endogenous lung stem cells (club cells) in phosgene-induced lung injury

96 views | Jul 05 2019

Ye K et al. showed that MSCs reduced the secretion of club cells. And MSCs enhanced the proliferation of club cells partly via activating the Notch signaling pathway, which promoted lung injury repair. [Read the Full Post]

Associated-Extraction Efficiency of Six Cyclodextrins on Various Flavonoids in Puerariae Lobatae Radix

41 views | Jul 05 2019

Feng T et al. indicated that CDs, especially SBE-β-CD, have a promising application for the associated-extraction of flavonoids from PLR. [Read the Full Post]

Genomic testing, tumor microenvironment and targeted therapy of Hedgehog-related human cancers

86 views | Jul 03 2019

Katoh M indicated that SMO inhibitors can remodel the immunosuppressive TME that is dominated by M2-like tumor-associated macrophages (M2-TAMs), myeloid-derived suppressor cells and regulatory T cells, and thus, a Phase I/II clinical trial of the immune checkpoint inhibitor pembrolizumab with or without vismodegib in BCC patients is ongoing. [Read the Full Post]

Chronic Verubecestat Treatment Suppresses Amyloid Accumulation in Advanced Aged Tg2576-AβPPswe Mice Without Inducing Microhemorrhage

135 views | Jul 02 2019

Villarreal S et al. showed the absence of elevated ARIA events in verubecestat-treated mice was associated with a significant reduction in the level of accumulated CNS amyloid pathology and brain Aβ peptides; effects consistent with the desired therapeutic mechanism of verubecestat in AD patients. These data will be compared with longitudinal MRI profiles from ongoing clinical trials. [Read the Full Post]