نتایج جستجو برای: 1α iudr 2
تعداد نتایج: 2535719 فیلتر نتایج به سال:
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 ...
*Corresponding author: Dr. Ali Neshasteh Riz, Department of Radiology, Iran University of Medical Sciences, P.O. Box: 14155-6183, Tehran, Iran. Fax: + 98 21 88054355 Email: [email protected] 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 halogena...
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...
The purpose of this study was to evaluate the effect of resveratrol on cytogenetic damages of iododeoxyuridine (IUdR) and x-ray megavoltage radiation (6 MV) in spheroid model of U87MG glioblastoma cancer cell line using clonogenic and alkaline comet assay. Cells were cultured as spheroids (350 µm) that were treated with 20 μM resveratrol, 1 μM IUdR and 2 Gy of 6 MV x-ray. After treatment, viabi...
زمینه و هدفیک آنالوگ تیمین است که به عنوان یک حساس کننده پرتو یی در درمان سرطان را در سلو ل های حاصل از اسفرویید های گلیوبلاستومای انسانی از طریق مسدود کردن مسیر ترمیم برش بازی افزایش م ی دهد، این در حالی است که شکستگی هایتوسط سلول های موجود یک فاکتور رونویسی هترودایمر است که مسئول توقف چرخه سلولی : گلیوبلاستوما رایج ترین و خطرناک ترین سرطان سیستم عصبی مرکزی است و پرتودرمانی هدفمند یک روشiudr ....
OBJECTIVE In this study, we investigated the combined effect of 2-Methoxyestradiol (2ME2) and (60)Co on the cytogenetic damage of iododeoxyuridine (IUdR) in the spheroid model of U87MG glioblastoma cancer cell lines by alkaline comet assay. MATERIALS AND METHODS U87MG cells were cultured as spheroids with diameters of 350 µm. As control, the spheroids of one plate were not treated. Other cult...
objective: in this study, we investigated the combined effect of 2-methoxyestradiol (2me2) and 60co on the cytogenetic damage of iododeoxyuridine (iudr) in the spheroid model of u87mg glioblastoma cancer cell lines by alkaline comet assay. materials and methods: u87mg cells were cultured as spheroids with diameters of 350 μm. as control, the spheroids of one plate were not treated. other cultur...
With the aim to develop beneficial tracers for cerebral tumors, we tested two novel 5-iodo-2'-deoxyuridine (IUdR) derivatives, diesterified at the deoxyribose residue. The substances were designed to enhance the uptake into brain tumor tissue and to prolong the availability in the organism. We synthesized carrier added 5-[125I]iodo-3',5'-di-O-acetyl-2'-deoxyuridine (Ac2[125I]IUdR), 5-[125I]iodo...
We have been investigating the therapeutic efficacy of the thymidine analog 5-iodo-2'-deoxyuridine (IUdR) when radiolabeled with the Auger electron emitter 125I in rats bearing intrathecal (i.t.) or intracerebral (i.c.) 9L gliosarcoma solid tumors. [125I]IUdR was infused i.t. (via subarachnoid catheters) or intracerebrally over a 5- or 2-day period; equimolar concentrations of [127I]IUdR were i...
We reported previously that p.o. administered 5-iodo-2-pyrimidinone-2'-deoxyribose (IPdR) was efficiently converted to 5-iodo-2'-deoxyuridine (IUdR) in athymic mice (T. J. Kinsella et al., Cancer Res., 54: 2695-2700, 1994). Here, we further evaluate IPdR metabolism, systemic toxicity, and percentage DNA incorporation in athymic mouse normal tissues and a human colon cancer xenograft (HT29) usin...
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