نتایج جستجو برای: ionizing myrtus radiation
تعداد نتایج: 241009 فیلتر نتایج به سال:
Trypanosoma cruzi, the causative agent of Chagas disease, is extremely resistant to ionizing radiation, enduring up to 1.5 kGy of gamma rays. Ionizing radiation can damage the DNA molecule both directly, resulting in double-strand breaks, and indirectly, as a consequence of reactive oxygen species production. After a dose of 500 Gy of gamma rays, the parasite genome is fragmented, but the chrom...
The tumor suppressor p53 plays an essential role in cellular adaptation to stress. In response to ionizing radiation, p53 regulates the transcription of genes in a diverse set of pathways including DNA repair, cell cycle arrest, and apoptosis. Previously, we identified by microarray analysis a set of genes that are transcriptionally activated or repressed in response to radiation exposure. In t...
OBJECTIVE To determine population-based rates of the use of diagnostic imaging procedures with ionizing radiation in children, stratified by age and sex. DESIGN Retrospective cohort analysis. SETTING All settings using imaging procedures with ionizing radiation. PATIENTS Individuals younger than 18 years, alive, and continuously enrolled in UnitedHealthcare between January 1, 2005, and De...
Humans are constantly exposed to ionizing radiation deriving from outer space sources or activities related to medical care. Absorption of ionizing radiation doses over a prolonged period of time can result in oxidative damage and cellular dysfunction inducing several diseases, especially in ageing subjects. In this report, we analyze the effects of ionizing radiation, particularly at low doses...
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