نتایج جستجو برای: rapamycin
تعداد نتایج: 12061 فیلتر نتایج به سال:
To explore the function of kaempferol on lung cancer cell A549 and microRNA-199 variation is objective study. The proliferation was detected by counting kit-8. expression mammalian target rapamycin, phosphorylated light chain 3-?/?, beclin-1, B-cell lymphoma 2 2-associated X protein showed Western blot. determined quantitative polymerase reaction. adenocarcinomic human alveolar basal epithelial...
BACKGROUND Rapamycin, a potent immune modulator, is used to treat transplant rejection and some autoimmune diseases. Uveitis is a potentially severe inflammatory eye disease, and 2 clinical trials of treating uveitis with rapamycin are under way. Unexpectedly, recent research has demonstrated that low dose rapamycin enhances the memory T cell population and function. However, it is unclear how ...
mTOR has been implicated in survival signals for many human cancers. Rapamycin and TGF-β synergistically induce G1 cell-cycle arrest in several cell lines with intact TGF-β signaling pathway, which protects cells from the apoptotic effects of rapamycin during S-phase of the cell cycle. Thus, rapamycin is cytostatic in the presence of serum/TGF-β and cytotoxic in the absence of serum. However, i...
BACKGROUND Skin manifestations of Tuberous Sclerosis Complex (TSC) cause significant morbidity. The molecular mechanism underlying TSC is understood and there is evidence that systemic treatment with rapamycin or other mTOR inhibitors may be a useful approach to targeted therapy for the kidney and brain manifestations. Here we investigate topical rapamycin in a mouse model for TSC-related tumor...
The mammalian target of rapamycin (mTOR) has been shown to link growth factor signaling and posttranscriptional control of translation of proteins that are frequently involved in cell cycle progression. However, the role of this pathway in cell survival has not been demonstrated. Here, we report that rapamycin, a specific inhibitor of mTOR kinase, induces G1 cell cycle arrest and apoptosis in t...
The mTOR pathway is a critical regulator of cell growth, proliferation, metabolism, and survival. Dysregulation of mTOR signaling has been observed in most cancers and, thus, the mTOR pathway has been extensively studied for therapeutic intervention. Rapamycin is a natural product that inhibits mTOR with high specificity. However, its efficacy varies by dose in several contexts. First, differen...
Because the mammalian target of rapamycin (mTOR) pathway is commonly deregulated in human cancer, mTOR inhibitors, rapamycin and its derivatives, are being actively tested in cancer clinical trials. Clinical updates indicate that the anticancer effect of these drugs is limited, perhaps due to rapamycin-dependent induction of oncogenic cascades by an as yet unclear mechanism. As such, we investi...
Rapamycin induces Bad phosphorylation in association with its resistance to human lung cancer cells.
Inhibition of mTOR signaling by rapamycin has been shown to activate extracellular signal-regulated kinase 1 or 2 (ERK1/2) and Akt in various types of cancer cells, which contributes to rapamycin resistance. However, the downstream effect of rapamycin-activated ERKs and Akt on survival or death substrate(s) remains unclear. We discovered that treatment of human lung cancer cells with rapamycin ...
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