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Blog of Signaling Pathways

PARP inhibition attenuates early brain injury through NF-κB/MMP-9 pathway in a rat model of subarachnoid hemorrhage

1118 views | Dec 05 2018

Chen T et al. indicated that PARP inhibition through PJ34 might be an important therapeutic drug for SAH. [Read the Full Post]

Inhibitors of ubiquitin E3 ligase as potential new antimalarial drug leads

485 views | Dec 04 2018

Jain J et al. provided better understanding regarding the importance of E3 ligase functions in the malaria parasite as a potential new antimalarial drug target and a new class of antimalarial drug leads. [Read the Full Post]

AMPK activator acadesine fails to alleviate isoniazid-caused mitochondrial instability in HepG2 cells

356 views | Dec 04 2018

Zhang TG et al. showed that AMPK activator acadesine (AICAR) alleviated INH-caused impairment of mitochondrial biogenesis by activation of silent information regulator two ortholog 1 (SIRT1)-peroxisome proliferator-activated receptor γ coactivator 1α (PGC1 α) pathway in HepG2 cells. [Read the Full Post]

Induction of galectin-1 by TLR-dependent PI3K activation enhances epithelial-mesenchymal transition of metastatic ovarian cancer cells

295 views | Dec 03 2018

Park GB et al. demonstrated that TLR-mediated PI3K activation modulated the invasion and metastasis of ovarian cancer through the production of galectin-1, suggesting that inhibition of the p110 isoform is a promising therapeutic approach against metastatic ovarian cancer. [Read the Full Post]

Integrated High Throughput Analysis Identifies GSK3 as a Crucial Determinant of p53-Mediated Apoptosis in Lung Cancer Cells

456 views | Dec 03 2018

Zhang Y et al. provided us with new insights regarding the mechanism by which p53 mediates A549 apoptosis and may cast light on the development of more efficient p53-based strategies for treating lung cancer. [Read the Full Post]

Structure-based virtual screening and optimization of modulators targeting Hsp90-Cdc37 interaction

449 views | Dec 02 2018

Wang L et al. suggested that compound 10 exhibits moderate inhibitory effect on Hsp90-Cdc37 and could be regard as a first evidence of a non-natural compound targeting Hsp90-Cdc37 PPI. [Read the Full Post]

Flow-induced endothelial cell alignment requires the RhoGEF Trio as a scaffold protein to polarize active Rac1 distribution

273 views | Dec 02 2018

Kroon J et al. showed that flow induces Rac1 activity at the downstream side of the cell in a Trio-dependent manner and that Trio functions as a scaffold protein rather than a functional GEF under long-term flow conditions. [Read the Full Post]

Disruption of SHH signaling cascade by SBE attenuates lung cancer progression and sensitizes DDP treatment

472 views | Nov 30 2018

Du J et al. suggested SBE as a novel drug candidate for NSCLC which specifically and sensitively targets SHH signaling pathway. [Read the Full Post]

Levo-Tetrahydroberberrubine Produces Anxiolytic-Like Effects in Mice through the 5-HT1A Receptor

486 views | Nov 30 2018

Mi G et al. suggested that l-THBr may produce potent anxiolytic-like effects mainly through serotonin receptors. [Read the Full Post]

Release of Moxifloxacin from Contact Lenses Using an In Vitro Eye Model: Impact of Artificial Tear Fluid Composition and Mechanical Rubbing

342 views | Nov 29 2018

Phan CM et al. suggested that sophisticated in vitro models are necessary to adequately model on-eye drug release from CL materials. [Read the Full Post]

BRAF Inhibitors Amplify the Proapoptotic Activity of MEK Inhibitors by Inducing ER Stress in NRAS-Mutant Melanoma

286 views | Nov 29 2018

Niessner H et al. presented herein encourage further advanced in vivo and clinical studies to evaluate MEKi in combination with ER stress inducing BRAFi as a strategy to treat rapidly progressing NRAS-mutant melanoma. [Read the Full Post]

Targeted inhibition of Polo-like kinase 1 by a novel small-molecule inhibitor induces mitotic catastrophe and apoptosis in human bladder cancer cells

306 views | Nov 28 2018

Zhang Z et al. demonstrated of bladder cancer growth inhibition and dissemination using a pharmacological inhibitor of PLK1 provides new opportunities for future therapeutic intervention. [Read the Full Post]

SOCS3 overexpression enhances ADM resistance in bladder cancer T24 cells

792 views | Nov 28 2018

Li MZ et al. indicated that SOCS3 reduction was associated with bladder cancer sensitivity to ADM. SOCS3 overexpression decreased JAK-STAT3 signaling pathway activity, declined Bcl-2 expression, inhibited cell proliferation, elevated cell apoptosis, and enhanced ADM sensitivity in T24 cells. [Read the Full Post]

Cellular uptake pathways of sepiolite nanofibers and DNA transfection improvement

334 views | Nov 27 2018

Castro-Smirnov FA et al. showed that sepiolite can be spontaneously internalized into mammalian cells through both non-endocytic and endocytic pathways, macropinocytosis being one of the main pathways. Interestingly, exposure of the cells to endocytosis inhibitors, such as chloroquine, two-fold increase the efficiency of sepiolite-mediated gene transfer, in addition to the 100-fold increased resulting from sepiolite sonomechanical treatment. As sepiolite is able to bind various biological molecules, this nanoparticulate silicate could be a good candidate as a nanocarrier for simultaneous vectorization of diverse biological molecules. [Read the Full Post]

Cancer stem cell marker phenotypes are reversible and functionally homogeneous in a preclinical model of pancreatic cancer

0 views | Nov 27 2018

Dosch JS et al. showed that the hierarchical organization of CSCs in human disease is not recapitulated in a commonly used mouse model of pancreatic cancer and therefore provide a new view of the phenotypic and functional heterogeneity of tumor cells. [Read the Full Post]

A sensitive virus yield assay for evaluation of Antivirals against Zika Virus

0 views | Nov 26 2018

Goebel S et al. indicated that due to reproducible assay performance, qPCR associated higher sensitivity and short duration of the assay time, this novel cell based assay will be very useful for confirming the activity of antivirals against ZIKV. [Read the Full Post]

The c.1085A>G Genetic Variant of CSF1R Gene Regulates Tumor Immunity by Altering the Proliferation, Polarization, and Function of Macrophages

271 views | Nov 26 2018

Yeh YM et al. indicated that CSF1R c.1085A>G genetic variant regulates tumor immunity by altering the polarization and function of macrophages. This genetic variant confers the sensitivity to CSF-1R inhibitors, implying as a biomarker in targeting CSF-1R signaling for cancer treatment. [Read the Full Post]

Berberine-sonodynamic therapy induces autophagy and lipid unloading in macrophage

360 views | Nov 25 2018

Kou JY et al. demonstrate that BBR-SDT effectively promotes cholesterol efflux by increasing reactive oxygen species generation, and this subsequently induces autophagy via the PI3K/AKT/mTOR signaling pathway in both 'normal' macrophages and lipid-loaded macrophages (foam cells). Thus, BBR-SDT may be a promising atheroprotective therapy to inhibit the progression of atherosclerosis and should be further studied. [Read the Full Post]

Phosphatidylinositol 3-kinase δ blockade increases genomic instability in B cells

655 views | Nov 25 2018

Compagno M et al. showed that PI3Kδ or Bruton's tyrosine kinase inhibitors increase genomic instability in normal and neoplastic B cells by an AID-dependent mechanism. This effect should be carefully considered, as such inhibitors can be administered to patients for years. [Read the Full Post]

Loss-of-function screens of druggable targetome against cancer stem-like cells

0 views | Nov 24 2018

SiRNAs that selectively reduced CSLC only were found to target genes for cholesterol and unsaturated fatty acid synthesis. [Read the Full Post]