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Blog of Signaling Pathways

mTOR Inhibition Attenuates Dextran Sulfate Sodium-Induced Colitis by Suppressing T Cell Proliferation and Balancing TH1/TH17/Treg Profile

692 views | Apr 09 2017

Hu S et al indicated that cell migration incurs substantial physical stress on the NE and its content and requires efficient NE and DNA damage repair for cell survival. [Read the Full Post]

Phosphatidylinositol 3-Kinase/Akt Mediates Integrin Signaling To Control RNA Polymerase I Transcriptional Activity

5999 views | Apr 09 2017

Collectively, Wu C et al revealed, for the first time, a pivotal role of integrin signaling in regulation of RNA polymerase I transcriptional activity and shed light on the downstream signaling axis that participates in regulation of this key aspect of cell growth. [Read the Full Post]

Centrosomal Protein of 55 Regulates Glucose Metabolism, Proliferation and Apoptosis of Glioma Cells via the Akt/mTOR Signaling Pathway

985 views | Apr 08 2017

Wang G et al. found that CEP55 regulates glucose metabolism, proliferation and apoptosis of glioma cells via the Akt/mTOR signaling pathway, and its promotive effect on glioma tumorigenesis can be a potential target for glioma therapy in the future. [Read the Full Post]

Specificity of anti-prostate cancer CYP17A1 inhibitors on androgen biosynthesis

817 views | Apr 08 2017

Udhane SS et al. concluded that orteronel is a highly specific inhibitor of 17,20 lyase activity. [Read the Full Post]

Internal Tandem Duplication in FLT3 Attenuates Proliferation and Regulates Resistance to the FLT3 Inhibitor AC220 by Modulating p21Cdkn1a and Pbx1 in Hematopoietic Cells

1214 views | Apr 07 2017

Abe M et al. found that FLT3-ITD is capable of inhibiting FLT3-ITD+ cell proliferation through the p21/Pbx1 axis and that treatments that antagonize FLT3-ITD contribute to the subsequent development of cells that are refractory to a FLT3-ITD inhibitor by disrupting p21 expression. [Read the Full Post]

Activation of Aurora A kinase through the FGF1/FGFR signaling axis sustains the stem cell characteristics of glioblastoma cells

0 views | Apr 06 2017

Hsu YC et al showed that activation of AurA kinase through FGF1/FGFR signaling axis sustains the stem cell characteristics of GBM cells. [Read the Full Post]

A chemical with proven clinical safety rescues Down-syndrome-related phenotypes in through DYRK1A inhibition

1634 views | Apr 06 2017

Kim H et al. demonstrated that CX-4945 is a potent DYRK1A inhibitor and also suggested that it has therapeutic potential for DYRK1A-associated diseases. [Read the Full Post]

Targeting FGFR2 with alofanib (RPT835) shows potent activity in tumour models

1449 views | Apr 05 2017

Tsimafeyeu I et al showed that alofanib is a potent FGFR2 inhibitor and provide strong rationale for its evaluation in patients with FGFR2-driven cancers. [Read the Full Post]

GSK-3 directly regulates phospho-4EBP1 in renal cell carcinoma cell-line: an intrinsic subcellular mechanism for resistance to mTORC1 inhibition

691 views | Apr 04 2017

Ito H et al. found that GSK-3β/4EBP1 pathway might be an important subcellular mechanism as an inherent equipment for RCC cells to acquire clinical chemoresistance to mTORC1 inhibitors. [Read the Full Post]

Activation of the miR-34a/SIRT1/p53 Signaling Pathway Contributes to the Progress of Liver Fibrosis via Inducing Apoptosis in Hepatocytes but Not in HSCs

1237 views | Apr 04 2017

Tian XF et al. found that the miR-34a/SIRT1/p53 signaling pathway might be a promising therapeutic target for liver fibrosis. [Read the Full Post]

Distinct MicroRNA Expression Signatures of Porcine Induced Pluripotent Stem Cells under Mouse and Human ESC Culture Conditions

1121 views | Apr 04 2017

Zhang W et al. found that significant differences in the miRNA signatures of hpiPSCs and mpiPSCs under different pluripotent states that were derived from different culture conditions. [Read the Full Post]

Metabolic alterations and drug sensitivity of tyrosine kinase inhibitor resistant leukemia cells with a FLT3/ITD mutation

2370 views | Apr 03 2017

Huang A et al revealed a metabolic signature of sorafenib-resistant cells and suggests that glycolytic inhibition may override such resistance and warrant further clinical investigation. [Read the Full Post]

A high-throughput-compatible assay to measure the degradation of endogenous Huntingtin proteins

0 views | Apr 02 2017

Peng Wu et al established the first high-throughput-compatible assay capable of measuring endogenous, tag-free HTT degradation, providing a valuable tool for HD research and drug discovery. The method could be applied to other proteins and can facilitate research on other neurodegenerative disorders and proteinopathies. [Read the Full Post]

A synthetic cell-penetrating dominant-negative ATF5 peptide exerts anti-cancer activity against a broad spectrum of treatment resistant cancers

833 views | Apr 02 2017

Karpel-Massler G et al found the idea that CP-d/n-ATF5-S1, administered as a single reagent or in combination with other drugs, holds promise as an innovative, safe, and efficient antineoplastic agent against treatment-resistant cancers. Clin Cancer Res; 22(18); 4698-711. ©2016 AACR. [Read the Full Post]

iRGD-Decorated Polymeric Nanoparticles for the Efficient Delivery of Vandetanib to Hepatocellular Carcinoma: Preparation and in Vitro and in Vivo Evaluation

1165 views | Apr 01 2017

Wang J et al. demonstrated that reformulating targeted therapeutic agents in NPs permits their systemic administration and thus significantly improves the potency of currently available, orally delivered agents. [Read the Full Post]

Endoplasmic reticulum stress in mouse decidua during early pregnancy

0 views | Apr 01 2017

Xiao Wei Gu et al showed that ER stress induces DNA damage and polyploidization in stromal cells. In conclusion, our data suggest that the GRP78/Ire1/Xbp1 signaling pathway of ER stress-UPR is activated and involved in mouse decidualization. [Read the Full Post]

Heterogeneous Nuclear Ribonucleoprotein L is required for the survival and functional integrity of murine hematopoietic stem cells

0 views | Apr 01 2017

Gaudreau MC et al suggested that hnRNP L is critical for the survival and functional integrity of HSCs by restricting the activation of caspase-dependent death receptor pathways. [Read the Full Post]

A Novel mTORC1-Dependent, Akt-Independent Pathway Differentiates the Gut Tropism of Regulatory and Conventional CD4 T Cells

983 views | Mar 31 2017

Chen LC et al. revealed a novel difference between ATRA signaling and chemokine receptor induction in Treg versus Tconv and provided a framework via which the migratory behavior of Treg versus Tconv might be regulated differentially for therapeutic purposes. [Read the Full Post]

Targeting the Neurokinin-1 Receptor Compromises Canonical Wnt Signaling in Hepatoblastoma

0 views | Mar 30 2017

Ilmer M et al revealed important insight into the molecular mechanisms of the SP/NK1R complex as a critical component in a model of pediatric liver cancer and may support the development of novel therapeutic interventions for HB and other Wnt-activated cancers. [Read the Full Post]

Chemokine CXCL13 mediates orofacial neuropathic pain via CXCR5/ERK pathway in the trigeminal ganglion of mice

864 views | Mar 29 2017

Zhang Q et al. found that targeting CXCL13/CXCR5/ERK/TNF-α and IL-1β pathway in the trigeminal ganglion may offer effective treatment for orofacial neuropathic pain. [Read the Full Post]