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Blog of Signaling Pathways

Phase 1 trial of carfilzomib (PR-171) in combination with vorinostat (SAHA) in patients with relapsed or refractory B-cell lymphomas

72 views | Sep 25 2019

Holkova B et al. showed a decrease in NF-κB activation and an increase in Bim levels in some patients, but these changes did not correlate with clinical response. [Read the Full Post]

Adjuvant Dabrafenib plus Trametinib in Stage III BRAF-Mutated Melanoma

62 views | Sep 25 2019

Long GV et al. indicated that adjuvant use of combination therapy with dabrafenib plus trametinib resulted in a significantly lower risk of recurrence in patients with stage III melanoma with BRAF V600E or V600K mutations than the adjuvant use of placebo and was not associated with new toxic effects. [Read the Full Post]

Genome-scale transcriptional activation by an engineered CRISPR-Cas9 complex

60 views | Sep 24 2019

Konermann S et al. demonstrated the potential of Cas9-based activators as a powerful genetic perturbation technology. [Read the Full Post]

Cellular Cholesterol Directly Activates Smoothened in Hedgehog Signaling

69 views | Sep 23 2019

Huang P et al. proposed that the endogenous Smoothened activator is cholesterol, not oxysterols, and that vertebrate Hedgehog signaling controls Smoothened by regulating its access to cholesterol. [Read the Full Post]

Ponatinib (AP24534), a multitargeted pan-FGFR inhibitor with activity in multiple FGFR-amplified or mutated cancer models

182 views | Sep 23 2019

Gozgit JM et al. showed that ponatinib is a potent pan-FGFR inhibitor and provide strong rationale for its evaluation in patients with FGFR-driven cancers. [Read the Full Post]

E7080 (lenvatinib), a multi-targeted tyrosine kinase inhibitor, demonstrates antitumor activities against colorectal cancer xenografts

0 views | Sep 22 2019

Wiegering A et al. suggested antiangiogenic activity of E7080 at a dosage that was well tolerated by nude mice. E7080 may provide therapeutic benefits in the treatment of CRC with mutated KRAS. [Read the Full Post]

ABT-737 potentiates cisplatin-induced apoptosis in human osteosarcoma cells via the mitochondrial apoptotic pathway

88 views | Sep 22 2019

Zhang F et al. demonstrated that ABT-737 alone has a nominal influence on human U-2OS cells when treated within the clinically administered range, but when combined with DDP, it can inhibit the proliferation of human U-2OS cells by inducing apoptosis via the mitochondrial apoptotic pathway. [Read the Full Post]

Phase II study of copanlisib, a PI3K inhibitor, in relapsed or refractory, indolent or aggressive lymphoma

69 views | Sep 21 2019

Dreyling M et al. demonstrated promising efficacy and manageable toxicity in heavily pretreated patients with various subtypes of indolent and aggressive malignant lymphoma. Subtype-specific studies of copanlisib in patients with follicular, peripheral T-cell, and mantle cell lymphomas are ongoing. [Read the Full Post]

Entinostat for the treatment of breast cancer

117 views | Sep 20 2019

Trapani D et a. offered the rationale for combining HDAC inhibitors with immunotherapy, including therapeutic cancer vaccines. [Read the Full Post]

Acetazolamide potentiates the anti-tumor potential of HDACi, MS-275, in neuroblastoma

113 views | Sep 20 2019

Bayat Mokhtari R et al. indicated the significant reduction in initial tumorigenicity and subsequent abrogation upon serial xenografting suggests potential elimination of the NB CSC fraction. The significant potentiation of MS-275 by AZ is a promising therapeutic approach and one amenable for administration to patients given their current clinical utility. [Read the Full Post]

Copanlisib: An Intravenous Phosphatidylinositol 3-Kinase (PI3K) Inhibitor for the Treatment of Relapsed Follicular Lymphoma

0 views | Sep 19 2019

Eltantawy A et al. provided an alternative option for patients with relapsed FL. It is safe and effective and has an acceptable toxicity profile. [Read the Full Post]

Preclinical characterization of the CDK4/6 inhibitor LY2835219: in-vivo cell cycle-dependent/independent anti-tumor activities alone/in combination with gemcitabine

57 views | Sep 18 2019

Gelbert LM et al. identified a potent, orally active small-molecule inhibitor of CDK4/6 that is active in xenograft tumors. LY2835219is currently in clinical development. [Read the Full Post]

Copanlisib: First Global Approval

0 views | Sep 18 2019

Markham A summarizes the milestones in the development of copanlisib leading to this first approval for relapsed follicular lymphoma. [Read the Full Post]

The phosphoinositide 3'-kinase delta inhibitor, CAL-101, inhibits B-cell receptor signaling and chemokine networks in chronic lymphocytic leukemia

41 views | Sep 16 2019

Hoellenriegel J et al. provided an explanation for the clinical activity of CAL-101, and a roadmap for future therapeutic development. [Read the Full Post]

GS-1101: a delta-specific PI3K inhibitor in chronic lymphocytic leukemia

48 views | Sep 16 2019

Macias-Perez IM et al. indicated this article will review new insights into the pathophysiology of CLL, the preclinical rationale of a PI3Kδ inhibitor in CLL, and the clinical evidence supporting this first-in-class therapeutic target for CLL patients. [Read the Full Post]

Cabozantinib (XL184), a novel MET and VEGFR2 inhibitor, simultaneously suppresses metastasis, angiogenesis, and tumor growth

81 views | Sep 15 2019

Yakes FM et al. suggested that cabozantinib is a promising agent for inhibiting tumor angiogenesis and metastasis in cancers with dysregulated MET and VEGFR signaling. [Read the Full Post]

Effective combinatorial immunotherapy for castration-resistant prostate cancer

0 views | Sep 15 2019

Lu X et al. illuminated a clinical path hypothesis for combining immune checkpoint blockade with MDSC-targeted therapies in the treatment of mCRPC. [Read the Full Post]

LBH589 Inhibits Glioblastoma Growth and Angiogenesis Through Suppression of HIF-1α Expression

206 views | Sep 14 2019

Yao ZG et al. supports the role of HDAC inhibitors as a therapeutic strategy to target tumor angiogenesis. [Read the Full Post]

Axl Blockade by BGB324 Inhibits BCR-ABL Tyrosine Kinase Inhibitor-Sensitive and -Resistant Chronic Myeloid Leukemia

49 views | Sep 14 2019

Erdmann R et al. showed that Axl inhibition has therapeutic potential in BCR-ABL TKI-sensitive as well as -resistant CML and support the need for clinical trials. [Read the Full Post]

Targeting ATR in vivo using the novel inhibitor VE-822 results in selective sensitization of pancreatic tumors to radiation

80 views | Sep 12 2019

Fokas E et al. support ATR inhibition as a promising new approach to improve the therapeutic ration of radiochemotherapy for patients with PDAC. [Read the Full Post]