نتایج جستجو برای: body irradiation
تعداد نتایج: 790617 فیلتر نتایج به سال:
Studies have shown that bone marrow-derived cells play an important role in tumor recurrence after chemotherapy and radiotherapy. In this study, we examined the relationship between the accumulation of Gr-1+CD11b+ cells and tumor recurrence after irradiation in tumor-bearing mice. By transplanting bone marrow cells into whole body-irradiated mice depleted of bone marrow, we assessed the role of...
The radioprotective activity of extracts from the red seaweed Callophyllis (C.) japonica was investigated in mice that underwent whole-body exposure to gamma radiation. A methanol extract of C. japonica and its fractions [hexane, ethyl acetate (EtOAc), butanol and the remaining H2O] were used. Each fraction (100 mg/kg body weight) was administered intraperitoneally (i.p.) 2 times into the BALB/...
The induction of thymic lymphomas by whole-body X irradiation with four doses of 1.8 Gy (total dose: 7.2 Gy) in C57BL/6 mice was suppressed from a high frequency (90%) to 63% by preirradiation with 0.075 Gy X rays given 6 h before each 1.8-Gy irradiation. This level was further suppressed to 43% by continuous whole-body irradiation with 137Cs gamma rays at a low dose rate of 1.2 mGy/h for 450 d...
Abstract: The white button mushroom (Agaricus bisporus) is one of the most widely cultivated edible mushroom species in the world. Despite the long term cultivation and its economic importance, the breeding efforts in the this species have been limited. The main reason is typical life cycle that restricte cross ability between single spores of different strains. So variability in Agaricus...
مقدمه و هدف : یکی از مهمترین مراحل در ساخت یک پروتز با تطابق غیرفعال قالب گیری می باشد. هدف از انجام مطالعه حاضر بررسی دقت قالب گیری توسط ویسکوزیته های مختلف ماده پلی وینیل سایلوکسان (pvs) با استفاده از دو روش مستقیم و غیر مستقیم می باشد. مواد و روش ها : در این مطالعه 4 عدد فیکسچر از سیستم تجاری dio به صورت کاملا موازی بر روی یک مدل مرجع از فک پایین تعبیه شد. سپس با استفاده از سه ویسکوزیته...
OBJECTIVE Ionizing radiation interacts with biological systems to induce excessive fluxes of free radicals that attack various cellular components. Melatonin has been shown to be a direct free radical scavenger and indirect antioxidant via its stimulatory actions on the antioxidant system.The aim of this study was to evaluate the antioxidant role of melatonin against radiation-induced oxidative...
1 FOODplus Research Centre, School of Agriculture Food and Wine, The University of Adelaide, Australia, 2 Liggins Institute, University of Auckland, Auckland, New Zealand, 3 Department of Paediatrics: Child and Youth Health, University of Auckland, Auckland, New Zealand, 4 Gravida, National Centre for Growth and Development, New Zealand, 5 Obesity Prevention Program, Department of Population Me...
Copyright: ß 2014 The PLOS Genetics Staff. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
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