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Blog of Signaling Pathways

PI3Kδ and PI3Kγ isoforms have distinct functions in regulating pro-tumoural signalling in the multiple myeloma microenvironment

641 views | Sep 16 2018

Piddock RE et al. provided a scientific rationale for trials of dual PI3kδ/γ inhibition in patients with MM. [Read the Full Post]

Luteinizing Hormone Causes Phosphorylation and Activation of the cGMP Phosphodiesterase PDE5 in Rat Ovarian Follicles, Contributing, Together with PDE1 Activity, to the Resumption of Meiosis.

220 views | Sep 15 2018

Egbert JR et al. showed that activities of both PDE5 and PDE1 contribute to the LH-induced resumption of meiosis in rat oocytes, and that phosphorylation and activation of PDE5 is a regulatory mechanism. [Read the Full Post]

The Effects of Ultraviolet Eye Irradiation on Dextran Sodium Sulfate-Induced Ulcerative Colitis in Mice

496 views | Sep 15 2018

Hiramoto K et al. suggested that UV eye irradiation plays an important role in DSS-induced ulcerative colitis. [Read the Full Post]

Upregulation of hydroxysteroid sulfotransferase 2B1b promotes hepatic oval cell proliferation by modulating oxysterol-induced LXR activation in a mouse model of liver injury

274 views | Sep 14 2018

Wang Z et al. indicated that upregulation of SULT2B1b might promote HOC proliferation and aggravate liver injury via the suppression of oxysterol-induced LXR activation in chemically induced mouse liver injury. [Read the Full Post]

Boosting Endogenous Resistance of Brain to Ischemia

279 views | Sep 14 2018

Sun F et al. found that the therapeutic activation of α7 nAChRs after cerebral ischemia may serve as an important physiological responsibility of these ubiquitous receptors and holds a significant translational potential. [Read the Full Post]

Dihydromyricetin promotes autophagy and apoptosis through ROS-STAT3 signaling in head and neck squamous cell carcinoma

508 views | Sep 13 2018

Fan TF et al. found that inhibiting autophagy could enhance DHM-induced apoptosis in head and neck squamous cell carcinoma. [Read the Full Post]

The LXR ligand GW3965 inhibits Newcastle disease virus infection by affecting cholesterol homeostasis

236 views | Sep 13 2018

Sheng XX et al. suggested that GW3965 inhibits NDV infection, probably by affecting cholesterol homeostasis. [Read the Full Post]

Dichloroacetate induces regulatory T-cell differentiation and suppresses Th17-cell differentiation by pyruvate dehydrogenase kinase-independent mechanism

274 views | Sep 12 2018

Makita N et al. indicated that Dichloroacetate possesses Treg induction and Th17 suppression, which is independent of PDHK and dependent on ROS production. [Read the Full Post]

Phosphoinositide 3-Kinase Is Involved in Mediating the Anti-inflammation Effects of Vasopressin

0 views | Sep 12 2018

Jan WC et al. confirmed that PI3K, especially the isoforms of PI3Kβ, PI3Kδ, and PI3Kγ, is involved in mediating the anti-inflammatory effects of vasopressin. [Read the Full Post]

Identification of ACTG2 functions as a promoter gene in hepatocellular carcinoma cells migration and tumor metastasis

504 views | Sep 11 2018

Wu Y et al. revealed a critical role of ACTG2 in HCC tumor metastasis, and renders it a novel target for the treatment of HCC. [Read the Full Post]

Fascin Is Critical for the Maintenance of Breast Cancer Stem Cell Pool Predominantly via the Activation of the Notch Self-Renewal Pathway

559 views | Sep 11 2018

Barnawi R et al. demonstrated fascin as a critical regulator of breast CSC pool at least partially via activation of the Notch self-renewal signaling pathway and modification of the expression embryonic transcriptional factors. Targeting fascin may halt CSCs and thus presents a novel therapeutic approach for effective treatment of breast cancer. [Read the Full Post]

Resveratrol provides neuroprotection by inhibiting phosphodiesterases and regulating the cAMP/AMPK/SIRT1 pathway after stroke in rats

328 views | Sep 10 2018

Wan D et al. indicated that resveratrol provides neuroprotection by inhibiting PDEs and regulating the cAMP/AMPK/SIRT1 pathway, which reduces ATP energy consumption during ischemia. [Read the Full Post]

The anti-inflammatory effects of Morin hydrate in atherosclerosis is associated with autophagy induction through cAMP signaling

276 views | Sep 10 2018

Zhou Y et al. suggested that anti-AS and anti-inflammatory effects of MO are largely associated with its induction of autophagy through stimulation of cAMP-PKA-AMPK-SIRT1 signaling pathway. [Read the Full Post]

JAK/STAT signaling pathway-mediated immune response in silkworm (Bombyx mori) challenged by Beauveria bassiana

391 views | Sep 09 2018

Geng T et al. suggested that BmCTL5 might be one pattern recognition receptors for JAK/STAT signaling pathway in silkworm. These findings yield insights for better understand the molecular mechanisms of JAK/STAT signaling pathway in antifungal immune response in silkworm. [Read the Full Post]

microRNA-200a silencing protects neural stem cells against cerebral ischemia/reperfusion injury

383 views | Sep 09 2018

Ma J et al. indicated miR-200a silencing protects NSCs from OGD/R-induced injury, possibly via regulating the STATs/c-Myc and MAPK/c-Myc signalings. [Read the Full Post]

Disruption of clathrin-dependent trafficking results in the failure of grass carp reovirus cellular entry

489 views | Sep 08 2018

Wang H et al. suggested that GCRV might enter CIK cells via clathrin-mediated endocytosis in a pH-dependent manner. Additionally, dynamin is critical for efficient viral entry. [Read the Full Post]

Inhibition of Histone Deacetylase Activity Aggravates Coxsackievirus B3-Induced Myocarditis by Promoting Viral Replication and Myocardial Apoptosis

199 views | Sep 08 2018

Zhou L et al. found inhibition of HDAC activity enhanced myocardial autophagosome formation, which led to the elevated CVB3 viral replication and ensuing increased myocardial apoptosis. [Read the Full Post]

Combined treatment with silibinin and either sorafenib or gefitinib enhances their growth-inhibiting effects in hepatocellular carcinoma cells

293 views | Sep 07 2018

Gu HR et al. found that the combination of silibinin with either sorafenib or gefitinib could be a useful treatment approach for HCC in the future. [Read the Full Post]

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

587 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

298 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]