Blog of Signaling Pathways

Bafetinib (INNO-406) reverses multidrug resistance by inhibiting the efflux function of ABCB1 and ABCG2 transporters

2373 views | Oct 19 2016

Zhang YK et al. found that bafetinib reversed ABCB1- and ABCG2-mediated MDR by blocking the drug efflux function of these transporters. [Read the Full Post]

The effect of hyperlipidemia on the pharmacokinetics, hepatic and pulmonary uptake of posaconazole in rat

1522 views | Oct 18 2016

Khalil HA et al. found that poloxamer induced lipoprotein level elevation caused alterations in the PSZ pharmacokinetics and decreased its hepatic and pulmonary uptake. [Read the Full Post]

Inhibition of local estrogen synthesis in the hippocampus impairs hippocampal memory consolidation in ovariectomized female mice

1372 views | Oct 18 2016

Tuscher JJ et al. found that hippocampally-synthesized E2 is necessary for hippocampus-dependent memory consolidation in rodents. [Read the Full Post]

Arsenic trioxide mediates HAPI microglia inflammatory response and subsequent neuron apoptosis through p38/JNK MAPK/STAT3 pathway

1631 views | Oct 17 2016

Mao J et al. highlighted that the secretion of IL-1β and STAT3 activation induced by Arsenic trioxide can be mediated by elevation of P38/JNK MAPK in HAPI microglia cells and then induced the toxicity of neurons. [Read the Full Post]

Targeting survivin as a potential new treatment for chondrosarcoma of bone

1328 views | Oct 17 2016

De Jong Y et al. found that survivin is important for chondrosarcoma survival and chondrosarcoma patients might benefit from survivin inhibition using YM155, for which TP53 mutational status can serve as a predictive biomarker. [Read the Full Post]

ErbB2-dependent downregulation of a pro-apoptotic protein Perp is required for oncogenic transformation of breast epithelial cells

2777 views | Oct 14 2016

Khan IA et al. identified a novel mechanism of ErbB2-mediated mechanism of anoikis resistance of ErbB2-overproducing breast epithelial cells. [Read the Full Post]

EGFR Activation Leads to Cell Death Independent of PI3K/AKT/mTOR in an AD293 Cell Line

2807 views | Oct 14 2016

Treda C et al. showed another EGFR function, dependent on environmental factors, which could be employed in therapy and drug design. [Read the Full Post]

Hiding inside? Intracellular expression of non-glycosylated c-kit protein in cardiac progenitor cells

3601 views | Oct 13 2016

Shi H et al. demonstrated for the first time that c-kit is not only expressed in CDCs but may also directly participate in CDC differentiation into an endothelial lineage. [Read the Full Post]

Seminal plasma induces inflammation in the uterus through the γδ T/IL-17 pathway

1562 views | Oct 13 2016

Song ZH et al. found a new mechanism by which seminal plasma could influence the inflammation in the uterus through the γδ T/IL-17 pathway to regulate the expression of various chemokines and cytokines. [Read the Full Post]

Myocardial commitment from human pluripotent stem cells: Rapid production of human heart grafts

1946 views | Oct 12 2016

Garreta E et al. provided a suitable platform for cardiac engineering and disease modeling in the human setting. [Read the Full Post]

Rictor/mTORC2 Drives Progression and Therapeutic Resistance of HER2-Amplified Breast Cancers

1765 views | Oct 12 2016

Morrison-Joly M et al. that Rictor/mTORC2 signaling drives Akt-dependent tumor progression in HER2-amplified breast cancers, rationalizing clinical investigation of dual mTORC1/2 kinase inhibitors and developing mTORC2-specific inhibitors for use in this setting. [Read the Full Post]

BAG3-mediated Mcl-1 stabilization contributes to drug resistance via interaction with USP9X in ovarian cancer

1759 views | Oct 11 2016

Habata S et al. suggested that inhibiting BAG3 in addition to anti-apoptotic Bcl-2 family proteins may be a useful therapeutic strategy for the treatment of chemoresistant ovarian cancers. [Read the Full Post]

Src as a Therapeutic Target in Biliary Tract Cancer

1752 views | Oct 10 2016

Nam AR et al. suggested that Src might be a potential therapeutic target in BTC. [Read the Full Post]

Constructing and Validating High-Performance MIEC-SVM Models in Virtual Screening for Kinases: A Better Way for Actives Discovery

2296 views | Oct 10 2016

Sun H et al. showed that the optimized MIEC-SVM model, which identified 7 actives with IC50 < 10 μM from 50 purchased compounds and performed much better than Autodock, suggesting that the proposed strategy is a powerful tool in structure-based virtual screening. [Read the Full Post]

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

2514 views | Oct 09 2016

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]

Effect of the BRCA1-SIRT1-EGFR axis on cisplatin sensitivity in ovarian cancer

2260 views | Oct 09 2016

Li D et al. improved the understanding of the basic molecular mechanism underlying BRCA1-related cisplatin resistance in ovarian cancer. [Read the Full Post]

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

2139 views | Oct 08 2016

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

2330 views | Oct 08 2016

Saafan H et al. identified that differential proteins in the EGFR interactome of HCC4006rERLO0.5 cells could be related to multiple resistance mechanisms including alterations in growth factor receptor expression, cellular remodelling processes suggesting epithelial-to-mesenchymal transition as well as alterations in downstream signalling. [Read the Full Post]

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

2629 views | Sep 30 2016

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]

Inhibition of Bcl-2 potentiates AZD-2014-induced anti-head and neck squamous cell carcinoma cell activity

2501 views | Sep 30 2016

Li Y et al. suggest that AZD-2014 could be further tested as a valuable anti-HNSCC agent, either alone or in combination with Bcl-2 inhibitors. [Read the Full Post]