نتایج جستجو برای: micronucleus assay
تعداد نتایج: 222844 فیلتر نتایج به سال:
due to the wide range of applications for ozone and its increasing use for medical and industrial purposes, studying its effects has become a very important line of research. the ozone has been suspected to be a carsinogen. because of the increasing use of ozone, the human could be more and more exposed to this gas. in this study the effects of ozone inhalation on chromosomes and its clastogeni...
The genotoxic effect of the Austroplenckia populnea chloroform fraction from barkwood extract was tested in vivo on peripheral blood cells of Swiss mice with the comet assay (SCGE), and the clastogenic effect was investigated on peripheral blood cells of Swiss mice and bone marrow cells of Wistar rats, with the micronucleus and chromosome aberrations tests. The animals were treated by gavage wi...
background: gemcitabine (2′, 2′-difluoro-2′- deoxycytidine, an analogue of deoxycytidine) is a relatively new drug with wide range of anti-cancer activity. in this study, radiosensitizing effects of gemcitabine was investigated on hela and mrc5 human originated cell lines under both chronically hypoxic and normoxic conditions using the micronucleus (mn) assay. materials and methods: for inducti...
several lichen species have been used for medicinal purposes throughout the ages, and they were reported to be effective in the treatment of different disorders including tuberculosis, hemorrhoids, ulcer, dysentery and cancer. it is revealed that they may be easily accessible sources of natural drugs that could be used as a possible food supplement or in pharmaceutical industry after their safe...
PURPOSE Despite its prominent contribution to cancer cure and palliation, around 1% to 5% of cancer patients suffer serious side effects from radiotherapy. A cardinal goal in the fields of radiobiology and oncology is to predict normal tissue radiosensitivity of a cancer patient before radiotherapy. Higher tumor control rates are likely if radiotherapy individualization could be achieved by app...
Genotoxicity studies on toxic metals and their organic compounds are very important, especially so in the investigation of the effects of these compounds on the aquatic environments where they tend to accumulate. The use of endemic aquatic organisms as biological sentinels has proved useful to environmental monitoring. We assessed the mutagenic potential of tributyltin (TBT) and inorganic lead ...
In a cross-sectional study of women in nursing team at university hospital southern Brazil, we studied DNA damage, salivary cortisol levels, and cognition. damage was measured blood leukocytes with the comet assay micronucleus test. Salivary levels were determined upon waking, 30 min later, bedtime. Cognition evaluated according to Stroop, Digit span Word tests. Cortisol on waking up associated...
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