منابع مشابه
Cellular responses to DNA damage.
For many years, the study of the regulation of the SOS network was complicated by both the complexities of the responses and the interrelationships of the key regulatory elements. However, recently the application of powerful genetic and molecular biological techniques has allowed us to gain a detailed picture of the regulation of this complex network. The network is now known to consist of mor...
متن کاملCellular responses to DNA damage.
Cells are constantly under threat from the cytotoxic and mutagenic effects of DNA damaging agents. These agents can either be exogenous or formed within cells. Environmental DNA-damaging agents include UV light and ionizing radiation, as well as a variety of chemicals encountered in foodstuffs, or as air- and water-borne agents. Endogenous damaging agents include methylating species and the rea...
متن کاملCellular Responses to Cisplatin-Induced DNA Damage
Cisplatin is one of the most effective anticancer agents widely used in the treatment of solid tumors. It is generally considered as a cytotoxic drug which kills cancer cells by damaging DNA and inhibiting DNA synthesis. How cells respond to cisplatin-induced DNA damage plays a critical role in deciding cisplatin sensitivity. Cisplatin-induced DNA damage activates various signaling pathways to ...
متن کاملAtaxia-telangiectasia and cellular responses to DNA damage.
Ataxia-telangiectasia (A-T) is a human disease characterized by high cancer risk, immune defects, radiation sensitivity, and genetic instability. Although A-T homozygotes are rare, the A-T gene may play a role in sporadic breast cancer and other common cancers. Abnormalities of DNA repair, genetic recombination, chromatin structure, and cell cycle checkpoint control have been proposed as the un...
متن کاملDNA Damage Induced by Ultrasound and Cellular Responses
Ultrasonic technologies pervade the medical field as a long established imaging modality in clinical diagnostics and, with the emergence of targeted high-intensity focused ultrasound, as a means of thermally ablating tumors. Ultrasound (US) causes multiple thermal and non-thermal effects, such as mechanical and chemical stresses, that can result in damage to the cellular membrane and nucleus, l...
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ژورنال
عنوان ژورنال: Environmental Health Perspectives
سال: 1985
ISSN: 0091-6765
DOI: 10.2307/3430102