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Blog of Signaling Pathways

Inhibition of the Pentose-phosphate Pathway Selectively Sensitizes Leukemia Lymphocytes to Chemotherapeutics by ROS-independent Mechanism

873 views | Nov 21 2017

Zhelev Z et al. suggested that 6-ANA could be used as a supplementary component in anticancer chemotherapy, and would allows therapeutic doses of anticancer drugs to be reduced, thereby minimizing their side-effects. [Read the Full Post]

An Optimized Chromatographic Strategy for Multiplexing In Parallel Reaction Monitoring Mass Spectrometry: Insights from Quantitation of Activated Kinases

489 views | Nov 20 2017

Urisman A et al. obtained from these analyses reveal compensatory activation of TGF-β family receptors as a response to MAPK blockade. The gains achieved using this label-free PRM multiplexing strategy will benefit a wide array of biological applications. [Read the Full Post]

WEE1 inhibition targets cell cycle checkpoints for triple negative breast cancers to overcome cisplatin resistance

595 views | Nov 19 2017

demonstrated that combined cisplatin treatment and WEE1 inhibition synergistically inhibits xenograft cancer growth accompanied by markedly reduced expression of TNBC signature genes. Thus targeting DNA replication and G2-M cell cycle checkpoint simultaneously by cisplatin and WEE1 inhibition is promising for TNBCs treatment, and for overcoming their cisplatin resistance. [Read the Full Post]

AZGP1 suppresses epithelial-to-mesenchymal transition and hepatic carcinogenesis by blocking TGFβ1-ERK2 pathways

1990 views | Nov 19 2017

Xu MY et al. showed that loss of AZGP1 could trigger EMT induced by TGFβ1-ERK2 signaling, confuse in energy metabolism, reduce cell proliferation and apoptosis, activate survival signals and promote invasion. Up-regulation of AZGP1 should be proposed to reverse EMT and might be a new promising therapy for HCC. [Read the Full Post]

Anticancer sulfonamides target splicing by inducing RBM39 degradation via recruitment to DCAF15

0 views | Nov 18 2017

Han T et al. proposed that DCAF15 expression may be a useful biomarker to guide clinical trials of this class of drugs, which we refer to as SPLAMs (splicing inhibitor sulfonamides). [Read the Full Post]

CQ synergistically sensitizes human colorectal cancer cells to SN-38/CPT-11 through lysosomal and mitochondrial apoptotic pathway via p53-ROS cross-talk

858 views | Nov 18 2017

Chen P et al. showed that CQ could enhance CRC cells response to CPT-11 (a prodrug of SN-38) in xenograft models. Thus the combined treatment might represent an attractive therapeutic strategy for the treatment of CRC. [Read the Full Post]

Targeting protein kinase C in mantle cell lymphoma

947 views | Nov 16 2017

Rauert-Wunderlich H et al. showed that MCL cells are heterogeneous in their response to BTK or PKC inhibition, indicating the need for even more individualized targeted treatment approaches in subsets of MCL patients. [Read the Full Post]

NMR Characterization of Information Flow and Allosteric Communities in the MAP Kinase p38γ

1296 views | Nov 16 2017

Aoto PC et al. demonstrated that the approach detects critical junctions in the network corresponding to biologically significant allosteric sites and pathways. [Read the Full Post]

Modulation of Cell-Mediated Immunity to Suppress High Fat Diet-Induced Obesity and Insulin Resistance

565 views | Nov 14 2017

Yan L et al. showed that immune modulation represents an important intervention for obesity and obesity-associated insulin resistance. [Read the Full Post]

HSP90 Shapes the Consequences of Human Genetic Variation

0 views | Nov 14 2017

Karras GI et al. provided one plausible mechanism for the variable expressivity and environmental sensitivity of genetic diseases. [Read the Full Post]

Differential expression of cyclooxygenase-2 in metastatic melanoma affects progression free survival

945 views | Nov 13 2017

Panza E et al. suggested that COX-2 expression may become an useful diagnostic tool in defining melanoma malignancy as well as argue for a possible therapeutic use of NSAID as add on therapy in selected cases. [Read the Full Post]

COX-2 expression positively correlates with PD-L1 expression in human melanoma cells

880 views | Nov 13 2017

Botti G et al. showed that COX-2 expression correlates with and modulates PD-L1 expression in melanoma cells. These findings have clinical relevance since they provide a rationale to implement novel clinical trials to test COX-2 inhibition as a potential treatment to prevent melanoma progression and immune evasion as well as to enhance the anti-tumor activity of PD-1/PD-L1 based immunotherapy for the treatment of melanoma patients with or without BRAF/NRAS mutations. [Read the Full Post]

Retinoic acid promotes expression of germline-specific genes in chicken blastoderm cells by stimulating Smad1/5 phosphorylation in a feeder-free culture system

570 views | Nov 12 2017

Tang X et al. demonstrated that E8 medium is able to maintain cBC growth for weeks and RA treatment induced germ cell differentiation of cBCs through the BMP-Smad1/5 signaling pathway. [Read the Full Post]

Inflammatory CXCL12-CXCR4/CXCR7 axis mediates G-protein signaling pathway to influence the invasion and migration of nasopharyngeal carcinoma cells

0 views | Nov 12 2017

Qiao N et al. provided key evidence for NPC aetiology which can be further investigated to develop novel molecular targets for NPC treatments. [Read the Full Post]

Novel Allosteric Pathway of Eg5 Regulation Identified through Multivariate Statistical Analysis of Hydrogen-Exchange Mass Spectrometry (HX-MS) Ligand Screening Data

501 views | Nov 11 2017

Sheff JG et al. suggested that a different approach to inhibitor development may be fruitful. [Read the Full Post]

Icaritin activates JNK-dependent mPTP necrosis pathway in colorectal cancer cells

743 views | Nov 11 2017

Zhou C et al. showed that ICT exerts potent inhibitory effect against CRC cells in vitro and in vivo. [Read the Full Post]

Sphingosine kinase inhibition ameliorates chronic hypoperfusion-induced white matter lesions

531 views | Nov 10 2017

Yang Y et al. suggested a mechanism for hypoperfusion-associated WML involving HIF-1α-SphK2-S1P-mediated disruption of OPC differentiation, and proposes the SphK signaling pathway as a potential therapeutic target for white matter disease. [Read the Full Post]

The platelet-derived growth factor receptor/STAT3 signaling pathway regulates the phenotypic transition of corpus cavernosum smooth muscle in rats

743 views | Nov 09 2017

Yan JF et al. indicated that through activation of the PDGFR/STAT3 signaling pathway, PDGF promoted the synthetic phenotype transition; thus, regulation of this pathway might contribute to ED therapy. [Read the Full Post]

Spleen Tyrosine Kinase Mediates EGFR Signaling to Regulate Keratinocyte Terminal Differentiation

914 views | Nov 09 2017

Wu NL et al. unraveled the role of Syk in EGFR-mediated signaling and reveals regulatory roles of Syk in keratinocyte differentiation, suggesting the clinical potential of topical or systemic Syk inhibitors in the treatment of skin diseases with aberrant differentiation. [Read the Full Post]

Synergistic effects of selective inhibitors targeting the PI3K/AKT/mTOR pathway or NUP214-ABL1 fusion protein in human Acute Lymphoblastic Leukemia

0 views | Nov 08 2017

Simioni C et al. indicated that co-targeting NUP214-ABL1 fusion gene and PI3K/Akt/mTOR signaling pathway could represent a new and effective pharmacological strategy to improve the outcome in NUP214-ABL1 positive T-ALL. [Read the Full Post]