Blog of Signaling Pathways

The binding of mutant p53 and DAB2IP increase the invasion of inflammation induced cancer cells

4857 views | Dec 08 2014

Minin et al. inflammatory cytokines can increase the invasive behavior of cancer cells with p53 missense mutants (mutp53). [Read the Full Post]

Hippo signaling mediates hypoxia tumorgenesis via SIAH2

4405 views | Dec 05 2014

Ma et al. gives a insight into the mechanism of Hippo signaling by investigating the pathway deactivation induced by hypoxia. [Read the Full Post]

MeCP2 S421 phosphorylation mediates neurogenesis via Notch signaling pathway

8729 views | Dec 04 2014

Li et al. identified the Notch signaling is involved in the regulation of MeCP2 S421 phosphorylation other than neuronal activity. [Read the Full Post]

VEFG/SphK pathway plays an important role in Niemann-Pick type C disease

4382 views | Dec 03 2014

Lee et al. identified the defective of sphingosine kinase (SphK) and vascular endothelial growth factor (VEGF) activities are main signaling that promotes sphingosine storage. [Read the Full Post]

Retinoic acid and Wnt signaling are key regulators in development of hematopoietic stem cells

6582 views | Dec 02 2014

Chanda et al. identified retinoic acid (RA) and Wnt signaling pathways as key mediators of HSC development. [Read the Full Post]

KIAA1199 provides a connection between oncogenic signaling of NF-κB and EGFR

6444 views | Dec 01 2014

Shostak et al. showed the connection between the two oncogenic cascades by identifying a key factor, KIAA1199, that associated with human papillomavirus (HPV) infection. [Read the Full Post]

Mechanism of Cdo-induced Wnt suppression during neuronal differentication

4581 views | Nov 28 2014

Jeong et al. found that Wnt signaling is negatively regulated by Cdo, a Shh multifunctional co-receptor which is highly expressed in the central nervous system, in order to promote neuronal differentiation. [Read the Full Post]

Quickly switching of spindle checkpoint states is due to negative feedback at kinetochrores

4534 views | Nov 27 2014

Nijenhuis et al. found this phenomenon arises due to localized negative feedback of spindle assemble checkpoint (SAC) signal, which ensure kinetochres switch SAC signalling OFF rapidly. [Read the Full Post]

mTOR is a key regulator of rental sodium homeostasis

2464 views | Nov 26 2014

Gleason et al. examined the role of mTOR in regulation of ion transport in ASDN, and demonstrated mTOR played a key role in the regulation of Na+ homeostasis, via SGK1-dependent modulation of ENaC activity. [Read the Full Post]

Semen suppresses antiviral activities of microbicides against HIV

2957 views | Nov 25 2014

Zirafi et al. reported that microbicides, which can target HIV components, showed ineffective in the presence of semen. [Read the Full Post]

GP130/JAK/STAT3 signaling pathway induces multiple myeloma

11373 views | Nov 24 2014

Dechow et al. determined GP130/JAK/STAT3 signaling pathway is sufficient to induce MM generation in mice retroviral murine BM transduction-transplantation model. [Read the Full Post]

ERK/Cdk5 axis regulates diabetes-related PPARγ phosphorylation

8108 views | Nov 21 2014

Recently, Banks et al. discovered that ERK/Cdk5 axis is involved in regulation PPARγ activities, and the inhibition of ERK and MEK leads to the improvement of insulin resistance. [Read the Full Post]

The combination of metformin and conventional tuberculosis drug as a new therapeutic strategy

2996 views | Nov 20 2014

Singhal et al. demonstrated a diabetic drug, metformin (MET), mediates host cell responses to pathogen for promoting anti-Mtb activities. The combined regimens have shown promising positive clinical effects on tuberculosis patients.The article was published on Science Translational Medicine. [Read the Full Post]

The mechanism of drug resistance in BRAF (V600E) mutant melanoma

9727 views | Nov 19 2014

Sun et al. demonstrated the resistance of BRAF (V600E) is reversible and adaptive. The process involves several transduction factors, such as EGFR, PDGFRB, TGF-β, and SOX10. [Read the Full Post]

SGK3 and INPP4B mediate PI3K signaling pathway in breast cancer

5447 views | Nov 18 2014

Gasser et al. found a new PI3K signaling axis, with SGK3 and INPP4B as key factors and in the absence of Akt activity, for regulation of tumorigenesis, tumor cell proliferation and invasive migration. [Read the Full Post]

Two strategies to overcome eribulin resistance: pharmacokinetic imaging and nanoparticle delivery system

5470 views | Nov 17 2014

Laughney et al. developed strategies of pharmacokinetic for to reveal drug-resistant mechanisms, and nanoparticle system to overcome the resistance. [Read the Full Post]

Combination of PI3K/mTOR and EGFR inhibitors suppresses KRAS-mutant colorectal cancer

7157 views | Nov 14 2014

Belmont et al. demonstrated combination of PI3K/mTOR and EGFR inhibitors may become a novel therapy in patients with KRAS-mutant CRC. [Read the Full Post]

A new neurogenic receptor activator of P2Y1——Up4A

4710 views | Nov 13 2014

Recently, researchers from Nevada School of Medicine found a novel factor, Up4A, may contribute in mediating enteric inhibitory neurotransmission of the intestines, acts through P2Y1 receptors and apamin-sensitive small-conductance SK channels. [Read the Full Post]

The activation of BMP and WNT signals specifies epicardial lineage from hESCs

7031 views | Nov 12 2014

Witty et al. describe a new strategy of using human pluripotent stem cells (hESCs) to generate epicardial lineage cells by activation the BMP and WNT signaling pathways in a stage-specific way. [Read the Full Post]

The inhibition of AKT pathway by truncated CNT-1 enhances cell apoptosis

4622 views | Nov 11 2014

Nakagawa et al. demonstrated a new negative regulator of AKT signaling, tCNT-1, can promote cell apoptosis and suppress cell growth and proliferation. [Read the Full Post]