نتایج جستجو برای: signaling inhibition
تعداد نتایج: 583193 فیلتر نتایج به سال:
T-cell immunoglobulin and mucin domain 3 (Tim-3) is an immune checkpoint target under investigation in immuno-oncology (IO) trials. Blockade of T-cell-Tim-3 enhances antitumor immunity. Here, we identify additional role for Tim-3 as a growth-suppressive receptor intrinsic to melanoma cells. Inhibition melanoma-Tim-3 by RNA interference promotes, while melanoma-specific overexpression attenuates...
The inhibition of growth hormone (GH) signaling by five members of the GH-inducible suppressor of cytokine signaling (SOCS/CIS) family was investigated in transfected COS cells. Complete inhibition of GH activation of the signal transducer STAT5b and STAT5b-dependent transcriptional activity was observed upon expression of SOCS-1 or SOCS-3, while partial inhibition (CIS, SOCS-2) or no inhibitio...
UNLABELLED Mutationally activated BRAF(V600E) cooperates with PTEN silencing in the conversion of normal melanocytes to metastatic melanoma cells, but the mechanism underlying this cooperation is poorly understood. Here, the consequences of pharmacologic blockade of BRAF(V600E) or phosphoinositide 3-kinase (PI3K) signaling were explored using pathway-targeted inhibitors and a panel of human BRA...
Adoptive immunotherapies using T cells genetically redirected with a chimeric antigen receptor (CAR) or T cell receptor (TCR) are entering mainstream clinical practice. Despite encouraging results, some patients do not respond to current therapies. In part, this phenomenon has been associated with infusion of reduced numbers of early memory T cells. Herein, we report that AKT signaling inhibiti...
More than 30% of the US population has high blood pressure (BP), and less than a third of people treated for hypertension have it controlled. In addition, the etiology of most high BP is not known. Having a better understanding of the mechanisms underlying hypertension could potentially increase the effectiveness of treatment. Because G(q) signaling mediates vasoconstriction and vascular functi...
Abstract Aberrant Wnt signaling drives a number of cancers through regulation diverse downstream pathways. Wnt/?-catenin achieves this in part by increasing the expression proto-oncogenes such as MYC and cyclins. However, global assessment Wnt-regulated transcriptome vivo genetically distinct demonstrates that suppresses many genes it activates. In study, we examined set are upregulated upon in...
To study the autophagy and mechanism of phosphatidylinositol-3-kinase/protein kinase B/mammalian target rapamycin signaling pathway in directional differentiation mesenchymal stem cells to provide basic research results for its application medical field is main objective study. The lung bone marrow mice were used as experimental materials. materials divided into five groups according settings n...
Ras activation promotes the survival of tumor cells after DNA damage. To reverse this survival advantage, Ras signaling has been targeted for inhibition. Other contributors to Ras-mediated DNA damage survival have been identified using pharmacologic inhibition of signaling, but this approach is limited by the specificity of the inhibitors used and their toxicity. To better define components of ...
Akt/mammalian target of rapamycin (mTOR) signaling plays an important role in tumorigenesis and is dysregulated in many tumors, especially metastatic prostate cancers. Curcumin has been shown to effectively prevent or inhibit prostate cancer in vivo and inhibit Akt/mTOR signaling in vitro, but the mechanism(s) remains unclear. Here, we show that curcumin concentration- and time-dependently inhi...
Mutationally activated BRAF cooperates with PTEN silencing in the conversion of normal melanocytes to metastatic melanoma cells, but the mechanism underlying this cooperation is poorly understood. Here, the consequences of pharmacologic blockade of BRAF or phosphoinositide 3-kinase (PI3K) signaling were explored using pathway-targeted inhibitors and a panel of human BRAF-mutated melanoma-derive...
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