نتایج جستجو برای: keywords ionizing radiation
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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...
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