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Blog of Signaling Pathways

Valproic Acid and Other HDAC Inhibitors Upregulate FGF21 Gene Expression and Promote Process Elongation in Glia by Inhibiting HDAC2 and 3.

0 views | May 09 2017

Leng Y et al. provided a new mechanism via which histone deacetylase 2 and 3 participate in upregulating fibroblast growth factor 21 transcription and extending process outgrowth in glia. [Read the Full Post]

Utilising the EGFR interactome to identify mechanisms of drug resistance in non-small cell lung cancer - Proof of concept towards a systems pharmacology approach.

0 views | May 09 2017

Saafan H et al.found that knowledge of these mechanisms is a pivotal step to build an integrative model of drug resistance in a systems pharmacology manner and to be able to investigate the interplay of these mechanisms and ultimately recommend combinatorial treatment strategies to overcome drug resistance. [Read the Full Post]

Transforming growth factor-β-dependent Wnt secretion controls myofibroblast formation and myocardial fibrosis progression in experimental autoimmune myocarditis

0 views | May 08 2017

Blyszczuk P et al. identified TAK1-mediated rapid Wnt protein secretion as a novel downstream key mechanism of TGF-β-mediated myofibroblast differentiation and myocardial fibrosis progression in human and mouse myocarditis. [Read the Full Post]

Utilising the EGFR interactome to identify mechanisms of drug resistance in non-small cell lung cancer - Proof of concept towards a systems pharmacology approach.

0 views | May 08 2017

Saafan H et al. found that knowledge of these mechanisms is a pivotal step to build an integrative model of drug resistance in a systems pharmacology manner and to be able to investigate the interplay of these mechanisms and ultimately recommend combinatorial treatment strategies to overcome drug resistance. [Read the Full Post]

EGFR inhibitors identified as a potential treatment for chordoma in a focused compound screen

0 views | May 07 2017

Scheipl S et al provided evidence for exploring the efficacy of EGFR inhibitors in the treatment of patients with chordoma and studying possible resistance mechanisms to these compounds in vitro and in vivo. [Read the Full Post]

Neuritin Mediates Activity-Dependent Axonal Branch Formation in Part via FGF Signaling.

4105 views | May 07 2017

Shimada T et al suggested that neuritin and FGF cooperate in inducing mossy fiber sprouting through FGF signaling. Together, these results suggest that FGF and neuritin-mediated axonal branch induction are involved in the aggravation of epilepsy. [Read the Full Post]

Epidermal Growth Factor Receptor Mutation Enhances Expression of Cadherin-5 in Lung Cancer Cells

0 views | May 06 2017

Hung MS et al. provided an insight into the association of mutant EGFR and CDH5 expression in lung cancer and aid further development of target therapy for NSCLC in the future. [Read the Full Post]

The role of PDGF-B/TGF-β1/neprilysin network in regulating endothelial-to-mesenchymal transition in pulmonary artery remodeling

0 views | May 06 2017

Song S et al. identified a novel mechanism to reveal the formation of EndoMT in PAH, and implied that imatinib may serve as a new therapeutic approach for treatment of the third cardiovascular disease. [Read the Full Post]

GLI inhibitor GANT61 kills melanoma cells and acts in synergy with obatoclax

0 views | May 05 2017

Vlčková K et al. found that GANT61 treatment might become a hopeful and effective anti-melanoma targeted therapy, especially when combined with the BCL2 family inhibitor obatoclax. [Read the Full Post]

Induction and differentiation of human induced pluripotent stem cells into functional cardiomyocytes on a compartmented monolayer of gelatin nanofibers

1589 views | May 05 2017

Tang Y et al. showed that representative field potential waveforms of matured cardiac tissues with appropriate drug responses. [Read the Full Post]

Atorvastatin antagonizes the visfatin-induced expression of inflammatory mediators via the upregulation of NF-κB activation in HCAECs

1146 views | May 04 2017

Shi KL et al. provided a potential use for atorvastatin and visfatin in the pathogenesis of HCAEC dysfunction. [Read the Full Post]

The apoptotic members CD95, BclxL, and Bcl-2 cooperate to promote cell migration by inducing Ca(2+) flux from the endoplasmic reticulum to mitochondria.

1104 views | May 04 2017

Fouqué A et al. revealed a novel molecular mechanism controlled by BclxL to promote cancer cell migration. [Read the Full Post]

MEK-ERK inhibition potentiates WAY-600-induced anti-cancer efficiency in preclinical hepatocellular carcinoma (HCC) models

1630 views | May 03 2017

Wang K et al demonstrated the potent anti-HCC activity by WAY-600, either alone or with MEK-ERK inhibitors. [Read the Full Post]

Receptor for Activated C Kinase 1 (RACK1) Promotes Dishevelled Protein Degradation via Autophagy and Antagonizes Wnt Signaling.

1738 views | May 02 2017

Cheng M et al reported that receptor for activated C kinase 1 (RACK1) negatively regulates Dishevelled stability and Wnt signaling. RACK1 interacts with Dvl proteins and promotes their lysosomal degradation, and this effect is enhanced by autophagy induction. RACK1 also interacts with LC3 and enhances the association of LC3 with Dvl2, thereby leading to degradation of Dvl proteins through autophagy. These findings reveal a novel regulatory function of RACK1 in Wnt signaling by modulating Dvl stability. [Read the Full Post]

The small-molecule IAP antagonist AT406 inhibits pancreatic cancer cells in vitro and in vivo

0 views | May 02 2017

Jiang Y et al. suggested that AT406 could be further evaluated as a promising anti-pancreatic cancer agent. [Read the Full Post]

Inhibitory effects of SRT1720 on the apoptosis of rabbit chondrocytes by activating SIRT1 via p53/bax and NF-κB/PGC-1α pathways

1870 views | May 02 2017

Liu B et al. suggested that SRT1720 inhibits chondrocyte apoptosis by activating the expression of SIRT1 via p53/bax and NF-κB/PGC-1α pathways. [Read the Full Post]

Uroguanylin modulates (Na(+)+K(+))ATPase in a proximal tubule cell line: Interactions among the cGMP/protein kinase G, cAMP/protein kinase A, and mTOR pathways.

1547 views | May 01 2017

Arnaud-Batista FJ et al suggested that the molecular mechanism of action of UGN on sodium reabsorption in PT cells is more complex than previously thought. We propose that PKG-dependent activation of PKA leads to the inhibition of the mTORC2/PKB/mTORC1/S6K pathway, an important signaling pathway involved in the maintenance of the PT sodium pump expression and activity. [Read the Full Post]

The histone deacetylase inhibitor PCI-24781 as a putative radiosensitizer in pediatric glioblastoma cell lines

0 views | May 01 2017

de Andrade PV et al demonstrate that HDACi PCI-24781 has a radiosensitizing profile that compromises the repair of double-strand DNA breaks in cells of pediatric GBM treated with radiotherapy. [Read the Full Post]

Fast and Efficient Transfection of Mouse Embryonic Stem Cells Using Non-Viral Reagents

1804 views | Apr 30 2017

Tamm C et al. found that simplified and highly efficient transfection method will be valuable for both basic research and high-throughput applications. [Read the Full Post]

Function of AURKA protein kinase in the formation of vasculogenic mimicry in triple-negative breast cancer stem cells

3388 views | Apr 30 2017

Liu Y et al. suggested that AURKA protein kinase is involved in VM formation of CSCs and may become a new treatment target in suppressing VM and metastasis of breast cancer. [Read the Full Post]