نتایج جستجو برای: jnk pathway
تعداد نتایج: 320320 فیلتر نتایج به سال:
This study aimed to elucidate the anti-inflammatory activity of C. tinctorius leaves by measuring inflammatory parameters such as nitric oxide (NO) production and mRNA expression iNOS, interleukin-6 (IL-6), IL-1β in lipopolysaccharide (LPS)-induced HaCaT cells. Further, effect ethanol extract on MAPKs/NF-κB signaling pathway was examined The phytochemical profile determined using UPLC-QTOF-MS/M...
Post-translational modification by the small ubiquitin-related modifier (SUMO) is important for a variety of cellular and developmental processes. However, the precise mechanism(s) that connects sumoylation to specific developmental signaling pathways remains relatively less clear. Here, we show that Smt3 knockdown in Drosophila wing discs causes phenotypes resembling JNK gain of function, incl...
Activation of the JNK/activator protein-1 (AP-1)-signaling pathway is a common mediator of hepatocyte death from a variety of stimuli. Although the mechanism by which JNK or AP-1 promotes death is unknown, it results when activation of this signaling pathway is unusually prolonged. Although JNK/AP-1 mediates TNF-induced cell death at or above the level of the mitochondria, the ability of JNK/AP...
During Drosophila development Fos acts downstream from the JNK pathway. Here we show that it can also mediate ERK signaling in wing vein formation and photoreceptor differentiation. Drosophila JNK and ERK phosphorylate D-Fos with overlapping, but distinct, patterns. Analysis of flies expressing phosphorylation site point mutants of D-Fos revealed that the transcription factor responds different...
The Pam/Highwire/RPM-1 (PHR) proteins are conserved intracellular signaling hubs that regulate synapse formation and axon termination. The C. elegans PHR protein, called RPM-1, acts as a ubiquitin ligase to inhibit the DLK-1 and MLK-1 MAP kinase pathways. We have identified several kinases that are likely to form a new MAP kinase pathway that suppresses synapse formation defects, but not axon t...
No evidence has shown whether insect-borne viruses manipulate the c-Jun N-terminal kinase (JNK) signaling pathway of vector insects. Using a system comprising the plant virus Rice stripe virus (RSV) and its vector insect, the small brown planthopper, we have studied the response of the vector insect's JNK pathway to plant virus infection. We found that RSV increased the level of Tumor Necrosis ...
The c-Jun amino-terminal kinase (JNK) proteins are a subgroup of the mitogen-activated protein kinase family. They play a complex role in cell proliferation, survival, and apoptosis. Here, we report a novel role of JNK signalling in hair cell regeneration. We eliminated hair cells of 5-day post-fertilization zebrafish larvae using neomycin followed by JNK inhibition with SP600125. JNK inhibitio...
Fibrosis of the glomerular and tubulointerstitial compartments is a common feature of chronic kidney disease leading to end-stage renal failure. This fibrotic process involves a number of pathologic mechanisms, including cell death and inflammation. This review focuses on the role of the c-Jun amino terminal kinase (JNK) signaling pathway in the development of renal fibrosis. The JNK pathway is...
4-Hydroxy-2-nonenal (HNE), a major lipid peroxidation product, is toxic at high concentrations, but at near-physiological concentrations it induces detoxifying enzymes. Previous data established that in human bronchial epithelial (HBE1) cells, both genes for glutamate cysteine ligase (GCL) are induced by HNE through the c-Jun N-terminal kinase (JNK) pathway. The protein-tyrosine phosphatase SH2...
The c-Jun NH2-terminal kinase (JNK) group of mitogen-activated protein (MAP) kinases is activated by phosphorylation on Thr and Tyr. Here we report the molecular cloning of a new member of the mammalian MAP kinase kinase group (MKK7) that functions as an activator of JNK. In vitro protein kinase assays demonstrate that MKK7 phosphorylates and activates JNK, but not the p38 or extracellular sign...
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