نتایج جستجو برای: radiosensitization
تعداد نتایج: 1347 فیلتر نتایج به سال:
5' Amino-5'-deoxythymidine (5'-AdThd) has been demonstrated previously to antagonize dTTP-mediated feedback inhibition of purified thymidine kinase from 647V, a human bladder cancer cell line. Low concentrations of 5'-AdThd (3-30 microM) have also been shown to stimulate cellular uptake of iododeoxyuridine (IdUrd) in 647V cells at clinically relevant IdUrd concentrations (2 microM). We report t...
PURPOSE Current strategies for tumor cell radiosensitization focus on a target-based approach. However, the radioresponse of a tumor cell is influenced by a wide variety of signaling molecules existing in a number of different survival pathways. Therefore, in an attempt to increase the probability and/or degree of radiosensitization, we have begun to investigate a multitarget approach using the...
Glioblastoma multiforme (GBM) is the most common and lethal form of brain cancer and these tumors are highly resistant to chemo- and radiotherapy. Radioresistance is thought to result from a paucity of molecular oxygen in hypoxic tumor regions, resulting in reduced DNA damage and enhanced cellular defense mechanisms. Efforts to counteract tumor hypoxia during radiotherapy are limited by an atte...
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