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Blog of Signaling Pathways

Differences in gene expression and alterations in cell cycle of acute myeloid leukemia cell lines after treatment with JAK inhibitors

649 views | Sep 07 2018

Gunerka P et al. suggested that observed effect of JAK2 inhibitors on transcription and cell cycle level in different cell lines are associated not with activity within JAK family, but presumably with other off-target activities. [Read the Full Post]

PCSK9-deficiency does not alter blood pressure and sodium balance in mouse models of hypertension

325 views | Sep 06 2018

Berger JM et al. found that PCSK9-deficiency did not alter both basal blood pressure and its increase in salt-insensitive (l-NAME) and salt-sensitive (Ang-II and DOCA-salt) hypertension models. [Read the Full Post]

Cyclopiazonic acid, an inhibitor of calcium-dependent ATPases with antiviral activity against human respiratory syncytial virus

0 views | Sep 06 2018

Cui R et al. provide a new strategy for anti-RSV therapy via increasing intracellular calcium concentration. [Read the Full Post]

The Nonmetabolized β-Blocker Nadolol Is a Substrate of OCT1, OCT2, MATE1, MATE2-K, and P-Glycoprotein, but Not of OATP1B1 and OATP1B3

1135 views | Sep 05 2018

Misaka S et al. indicated that these data will aid future in vivo studies on potential transporter-mediated drug-drug or drug-food interactions with involvement of nadolol. [Read the Full Post]

Niclosamide inhibition of STAT3 synergizes with erlotinib in human colon cancer

0 views | Sep 05 2018

Shi L et al. suggested that erlotinib and niclosamide combination provides an effective therapeutic approach to improving the prognosis of colon cancer. [Read the Full Post]

ETP-46321, a dual p110α/δ class IA phosphoinositide 3-kinase inhibitor modulates T lymphocyte activation and collagen-induced arthritis

651 views | Sep 04 2018

Aragoneses-Fenoll L et al. showed that p110α as well as p110δ Class IA PI3Ks are important to immune regulation; inhibition of both subunits may be an effective therapeutic approach in inflammatory autoimmune diseases like rheumatoid arthritis. [Read the Full Post]

The E545K mutation of PIK3CA promotes gallbladder carcinoma progression through enhanced binding to EGFR

0 views | Sep 04 2018

Zhao S et al. indicated that the prognoses of patients with E545K mutation were worse than patients without this mutation. The E545K mutation promoted GBC progression through enhanced binding to EGFR and activating downstream akt activity. The PI3K selective inhibitor, A66, suppressed gallbladder carcinoma proliferation. [Read the Full Post]

Inhibiting PLK1 induces autophagy of acute myeloid leukemia cells via mammalian target of rapamycin pathway dephosphorylation

0 views | Sep 03 2018

Tao YF et al. may provided new insights into the molecular mechanism of PLK1 in regulating autophagy. [Read the Full Post]

Adiponectin promotes human jaw bone marrow mesenchymal stem cell chemotaxis via CXCL1 and CXCL8

0 views | Sep 03 2018

Pu Y et al. suggested that APN can promote h-JBMMSC chemotaxis by up-regulating CXCL1 and CXCL8. [Read the Full Post]

MicroRNA-17 regulates autophagy to promote hepatic ischemia/reperfusion injury via suppression of signal transductions and activation of transcription-3 expression

411 views | Sep 02 2018

Li S et al. showed that high levels of miR-17 expression can function to up-regulate autophagy to aggravate hepatic IRI by suppressing Stat3 expression. Liver Transplantation 22 1697-1709 2016 AASLD. [Read the Full Post]

Novel Allosteric Pathway of Eg5 Regulation Identified through Multivariate Statistical Analysis of Hydrogen-Exchange Mass Spectrometry (HX-MS) Ligand Screening Data

0 views | Sep 02 2018

Sheff JG et al. suggested that a different approach to inhibitor development may be fruitful. [Read the Full Post]

Calreticulin-mutant proteins induce megakaryocytic signaling to transform hematopoietic cells and undergo accelerated degradation and Golgi-mediated secretion

248 views | Aug 31 2018

Han L et al. demonstrated the potency of CALR mutants to drive expression of megakaryocytic differentiation markers such as NF-E2 and CD41 as well as Mpl. Furthermore, CALR mutants undergo accelerated protein degradation that involves the secretory pathway and/or protein glycosylation. [Read the Full Post]

The antibiotic polymyxin B exhibits novel antifungal activity against Fusarium species

301 views | Aug 31 2018

Hsu LH et al. indicated evolutionary divergence of mechanisms between yeast pathogens and the filamentous fungus Fusarium. [Read the Full Post]

Triptolide decreases expression of latency-associated nuclear antigen 1 and reduces viral titers in Kaposi's sarcoma-associated and herpesvirus-related primary effusion lymphoma cells

216 views | Aug 30 2018

Long C et al. indicated that triptolide impairs the expression of LANA1 and shows antitumor activity against PEL in vitro and in vivo. Triptolide may be a potential agent for treatment of PEL. [Read the Full Post]

Robust and stimuli-responsive POSS hybrid PDMAEMA hydrogels for controlled drug release

261 views | Aug 30 2018

Chen Y, et al. showed that the increased Oa-POSS could improve the drug loading ability, and OP-PD gels showed well controlled-release effect in simulated human stomachic condition. [Read the Full Post]

A simple, fast, label-free colorimetric method for detection of telomerase activity in urine by using hemin-graphene conjugates

444 views | Aug 29 2018

Xu X, et al. found a colorimetric approach affords simplicity, sensitivity and reliability in telomerase activity detection. [Read the Full Post]

Impacts of ABCB1 (G1199A) polymorphism on resistance, uptake, and efflux to steroid drugs.

485 views | Aug 29 2018

Peng R, et al. found that the ABCB1 (G1199A) polymorphism may affect effective steroids concentration in target cells by regulating the drug transport and distribution. [Read the Full Post]

PIM kinases as therapeutic targets against advanced melanoma

242 views | Aug 28 2018

Shannan B et al. suggested that PIM inhibitors provide promising additions to the targeted therapies available to melanoma patients. [Read the Full Post]

INPP4B and PTEN Loss Leads to PI-3,4-P2 Accumulation and Inhibition of PI3K in TNBC

270 views | Aug 28 2018

Reed DE et al. supported a model where PI-3,4-P2 is inhibitory toward PI3K, revealing a novel feedback mechanism under conditions of excessive signaling, and potentially an indication for PI3K-β isoform-specific inhibitors in PTEN-null TNBC that have lost INPP4B expression. [Read the Full Post]

A novel, rapid method to compare the therapeutic windows of oral anticoagulants using the Hill coefficient

0 views | Aug 27 2018

Chang JB et al. showed a significant variation among the Hill coefficients, suggesting a similar variation in therapeutic windows among anticoagulants in our assay. [Read the Full Post]