نتایج جستجو برای: radiosensitization
تعداد نتایج: 1347 فیلتر نتایج به سال:
In order to identify targets whose inhibition may enhance the efficacy of chemoradiation in pancreatic cancer, we previously conducted an RNAi library screen of 8,800 genes. We identified Mcl-1 (myeloid cell leukemia-1), an anti-apoptotic member of the Bcl-2 family, as a target for sensitizing pancreatic cancer cells to chemoradiation. In the present study we investigated Mcl-1 inhibition by ei...
background: glioblastoma is the most common and most malignant cancer of central nervous system. targeted radiotherapy is an effective method toward its treatment. iododeoxyuridine (iudr) is a halogenated thymidine analogue known to be effective as a radiosensitizer in human cancer therapy. in this study we have evaluated the combination effects of 2-methoxyestradiol, an inhibitor of hypoxia in...
Gold nanoparticles (AuNPs) could serve as potential radiotherapy sensitizers because of their exceptional biocompatibility and high-Z material nature; however, since in vitro and in vivo behaviors of AuNPs are determined not only by their particle size but also by their surface chemistries, whether surface ligands can affect their radiosensitization has seldom been investigated in the radiosens...
The effect of wortmannin posttreatment was studied in cells derived from different species (hamster, mouse, chicken, and human) with normal and defective DNA-dependent protein kinase (DNA-PK) activity, cells with and without the ataxia telangiectasia (ATM) gene, and cells lacking other regulatory proteins involved in the DNA double-strand break (DSB) repair pathways. Clonogenic assays were used...
Heat shock prior, during, or immediately after ionizing radiation synergistically increases cell killing, a phenomenon termed hyperthermic radiosensitization. Recently, we have shown a constitutive DNA-binding factor in rodent cells that is inactivated by heat shock to be identical to Ku autoantigen. Ku, consisting of an Mr 70,000 (Ku70) and an Mr 86,000 (Ku80) subunit, is a heterodimeric nucle...
The increase in cellular radiosensitivity by EGF receptor (EGFR) inhibition has been shown to be attributable to the induction of a G1-arrest in p53-proficient cells. Because EGFR targeting in combination with radiotherapy is used to treat head and neck squamous cell carcinomas (HNSCC) which are predominantly p53 mutated, we tested the effects of EGFR targeting on cellular radiosensitivity, pro...
Paclitaxel is a deterpene with antitumor activity against a variety of human neoplasms. Paclitaxel cytotoxicity is thought to derive mainly from a stabilization of microtubules as a result of enhanced tubulin polymerization that leads to an accumulation of cells in the mitotic (M) phase of the cell cycle. Because cells in this phase of the cell cycle are known to be radiosensitive, it was thoug...
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