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Blog of Signaling Pathways

Targeting HSF1 disrupts HSP90 chaperone function in chronic lymphocytic leukemia

632 views | Jun 01 2018

Ganguly S et al. provided a strong rationale to target HSF1 and test the activity of minnelide against human CLL. [Read the Full Post]

Serine/Threonine Kinase Unc-51-like Kinase-1 (Ulk1) Phosphorylates the Co-chaperone Cell Division Cycle Protein 37 (Cdc37) and Thereby Disrupts the Stability of Cdc37 Client Proteins

431 views | Jun 01 2018

Li R et al. provided evidence for an anti-proliferative role of Ulk1 in response to Hsp90 inhibition in cancer cells. [Read the Full Post]

Calcineurin complex isolated from T-cell acute lymphoblastic leukemia (T-ALL) cells identifies new signaling pathways including mTOR/AKT/S6K whose inhibition synergize with calcineurin inhibition to promote T-ALL cell death

0 views | May 31 2018

Tosello V et al. identified AKT inhibition as a novel promising drug combination to potentiate the pro-apoptotic effects of Cn inhibitors. [Read the Full Post]

Etoposide Induces Apoptosis in Activated Human Hepatic Stellate Cells via ER Stress

757 views | May 31 2018

Wang C et al. demonstrated that VP-16 exerts a proapoptotic effect on LX-2 cells and has an antifibrogenic effect on collagen deposition, suggesting a new strategy for the treatment of liver fibrosis. [Read the Full Post]

BEZ235 (PIK3/mTOR inhibitor) Overcomes Pazopanib Resistance in Patient-Derived Refractory Soft Tissue Sarcoma Cells

0 views | May 30 2018

Kim HK et al. found that upregulation of mTOR/AKT pathway in sarcoma patient derived cells was considerably inhibited by the treatment of AZD2014 and BEZ235 with downregulation of AKT pathway (greater extent for BEZ235). [Read the Full Post]

Inhibition of eEF-2 kinase sensitizes human nasopharyngeal carcinoma cells to lapatinib-induced apoptosis through the Src and Erk pathways

464 views | May 30 2018

Liu L et al. suggested that targeting eEF-2 kinase may improve the efficacy of therapeutic interventions such as lapatinib in NPC cells. [Read the Full Post]

Aurora kinase A revives dormant laryngeal squamous cell carcinoma cells via FAK/PI3K/Akt pathway activation

759 views | May 29 2018

Yang LY et al. concluded that AURKA may revive dormant tumor cells via FAK/PI3K/Akt pathway activation, thereby promoting migration and invasion in laryngeal cancer. AURKA/FAK/PI3K/Akt inhibitors may thus represent potential targets for clinical LSCC treatment. [Read the Full Post]

Glucocorticoids Prevent Enterovirus 71 Capsid Protein VP1 Induced Calreticulin Surface Exposure by Alleviating Neuronal ER Stress

708 views | May 29 2018

Hu DD et al. identified VP1-promoted Ecto-CRT upregulation as a novel mechanism of EV71-induced neuronal cell damage and highlight the potential of the use of glucocorticoids to treat severe HFMD patients with CNS complications. [Read the Full Post]

Cancer Cell-derived Exosomes Induce Mitogen-activated Protein Kinase-dependent Monocyte Survival by Transport of Functional Receptor Tyrosine Kinases

1235 views | May 28 2018

Song X et al. provided insights into the long sought question on monocyte survival prior to formation of plentiful TAMs in the tumor microenvironment. [Read the Full Post]

Niclosamide inhibition of STAT3 synergizes with erlotinib in human colon cancer

1027 views | May 28 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]

Novel Akt activator SC-79 is a potential treatment for alcohol-induced osteonecrosis of the femoral head

0 views | May 27 2018

Chen YX et al. proposed that SC-79 treatment to rescue Akt activation could be tested in the clinic as a potential therapeutic approach to preventing the development of alcohol-induced ONFH. [Read the Full Post]

SC79 protects retinal pigment epithelium cells from UV radiation via activating Akt-Nrf2 signaling

700 views | May 27 2018

Gong YQ et al. suggest that SC79 protects RPE cells from UV damages possibly via activating Akt-Nrf2 signaling axis. [Read the Full Post]

Calcineurin complex isolated from T-cell acute lymphoblastic leukemia (T-ALL) cells identifies new signaling pathways including mTOR/AKT/S6K whose inhibition synergize with calcineurin inhibition to promote T-ALL cell death

890 views | May 26 2018

Tosello V et al. identified AKT inhibition as a novel promising drug combination to potentiate the pro-apoptotic effects of Cn inhibitors. [Read the Full Post]

Advanced glycation end products regulate anabolic and catabolic activities via NLRP3-inflammasome activation in human nucleus pulposus cells

0 views | May 26 2018

Song Y et al. revealed that accumulation of AGEs in NP tissue may initiate inflammation-related degeneration of the intervertebral disc via activation of the NLRP3 inflammasome. [Read the Full Post]

Enhanced efficacy of combined HDAC and PARP targeting in glioblastoma

794 views | May 25 2018

Rasmussen RD et al. provided a pre-clinical rationale for combined administration of SAHA and olaparib, which are already individually in clinical trials. [Read the Full Post]

Knockdown of eIF4E suppresses cell proliferation, invasion and enhances cisplatin cytotoxicity in human ovarian cancer cells

463 views | May 25 2018

Wan J, et al. found that knockdown eIF4E gene can be used as a potential therapeutic target for the treatment of human ovarian cancer. [Read the Full Post]

Smooth muscle cell-specific Tgfbr1 deficiency promotes aortic aneurysm formation by stimulating multiple signaling events

419 views | May 24 2018

Yang P et al. indicated that loss of SMC-Tgfbr1 triggers multiple deleterious pathways, including abnormal TGFBR2, ERK, and AngII/AT1R signals that disrupt aortic wall homeostasis to cause aortic aneurysm formation. [Read the Full Post]

Regulation of glutamate transporter trafficking by Nedd4-2 in a Parkinson's disease model

0 views | May 24 2018

Zhang Y et al. indicated that Nedd4-2 may serve as a potential therapeutic target for the treatment of PD. [Read the Full Post]

Carcinoma-associated fibroblasts affect sensitivity to oxaliplatin and 5FU in colorectal cancer cells

500 views | May 23 2018

Gonçalves-Ribeiro S et al. showed that STAT3 or P38 inhibition provides a promising strategy for overcoming microenvironment-mediated resistance. Conversely, pharmacologic AKT inhibition induces an antagonistic effect that relieves a cMET and STAT3-mediated compensatory feedback that might explain the failure of AKT inhibitors in the clinic so far. [Read the Full Post]

Differences in MEK inhibitor efficacy in molecularly characterized low-grade serous ovarian cancer cell lines

487 views | May 23 2018

Fernández ML et al. showed the greatest anti-proliferative effects. This study serves as a basis for much needed future research on MEKi drug efficacy in LGSC. [Read the Full Post]