نتایج جستجو برای: mtor protein
تعداد نتایج: 1245178 فیلتر نتایج به سال:
Delayed Recovery of Skeletal Muscle Mass following Hindlimb Immobilization in mTOR Heterozygous Mice
The present study addressed the hypothesis that reducing mTOR, as seen in mTOR heterozygous (+/-) mice, would exaggerate the changes in protein synthesis and degradation observed during hindlimb immobilization as well as impair normal muscle regrowth during the recovery period. Atrophy was produced by unilateral hindlimb immobilization and data compared to the contralateral gastrocnemius. In wi...
Recent publications showed that the kinase MTOR localizes to lysosomes and its activation depends on amino acids inside the lysosomal lumen, implying that autophagic protein degradation is a positive regulator of MTOR in this setting. Since decreased MTOR activity results in autophagy induction, drug treatments that block autolysosomal degradation (a commonly used technique to estimate autophag...
Genomic studies have linked mTORC1 pathway-activating mutations with exceptional response to treatment with allosteric inhibitors of mTORC1 called rapalogs. Rapalogs are approved for selected cancer types, including kidney and breast cancers. Here, we used sequencing data from 22 human kidney cancer cases to identify the activating mechanisms conferred by mTOR mutations observed in human cancer...
Amplification of the gene encoding the epidermal growth factor (EGF) receptor (EGFR) occurs commonly in glioblastoma, leading to activation of downstream kinases including phosphatidylinositol 3'-kinase (PI3K), Akt, and mammalian target of rapamycin (mTOR). Here, we show that phosphorylation of mTOR and its downstream substrate rpS6 (ribosomal protein S6) are robust biomarkers for the antiproli...
AIM AND OBJECTIVE Laryngeal carcinoma is one of the most aggressive cancers of the head and neck region. The survival rate of patients with laryngeal carcinoma is low due to its late metastases and resistance to chemotherapy and radiotherapy. It was reported that mTOR was involved in the growth and apoptosis of various cancer cells. The aim of this study was to detect the effects of mTOR inhibi...
Mechanistic (or mammalian) target of rapamycin (mTOR) plays important roles in cell growth and proliferation. In esophageal squamous cell carcinoma (SCC), high expression of phosphorylated (activated) mTOR (p-mTOR) has been reported as an adverse prognostic factor in some but not all studies. The signals of mTOR pathway and mitogen-activated protein kinase (MAPK) pathway converge on 4E-binding ...
The serum- and nutrient-sensitive protein kinase mTOR (mammalian target of rapamycin) is a master regulator of cell growth and survival. The mechanisms through which nutrients regulate mTOR have been one of the major unanswered questions in the mTOR field. Identification of the Rag (Ras-related GTPase) family of GTPases as mediators of amino acid signalling to mTOR is an important step towards ...
BACKGROUND The mammalian target of rapamycin (mTOR) pathway is the primary regulator of muscle protein synthesis. Metabolic syndrome (MetS) is characterized by central obesity and insulin resistance; little is known about how MetS affects the sensitivity of the mTOR pathway to feeding. METHODS The responsiveness of mTOR pathway targets such as p706Sk to a high protein meal containing either d...
STUDY DESIGN To investigate the specific mechanisms by which Golgi phosphoprotein 3 (GOLPH3) affects the progression of gastric cancer and to explore its clinical significance. METHODS Immunohistochemical analysis was used to evaluate the correlations between GOLPH3, phosphorylated mTOR (p-mTOR), phosphorylated Akt (p-Akt), phosphorylated p70S6 (p-p70S6), phosphorylated 4E-BP1 (p-4E-BP1) and ...
A recent research demonstrates that the inhibition of mammalian target of rapamycin (mTOR) improves survival and health for patients with Leigh syndrome. mTOR proteins can be treated as drug target proteins against Leigh syndrome and other mitochondrial disorders. In this study, we aim to identify potent TCM compounds from the TCM Database@Taiwan as lead compounds of mTOR inhibitors. PONDR-Fit ...
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