نتایج جستجو برای: radiation sensitizing agents
تعداد نتایج: 594681 فیلتر نتایج به سال:
Epidemiological studies have demonstrated the cancer protective effects of dietary agents and other natural compounds isolated from fruits, soybeans, and vegetables on neoplasia. Studies have also revealed the potential for these natural products to be combined with chemotherapy or radiotherapy for the more effective treatment of cancer. In this paper we discuss the potential for targeting the ...
Heat is one of the most potent radiosensitizers known. Several randomized trials have shown that hyperthermia is a good adjuvant for radiotherapy at several different cancer sites. However, the mechanism(s) involved in the interaction of heat and radiation that lead to radiosensitization remain to be elucidated. In this report, we have determined that heat induces perturbations in some of the e...
In this study, our aim is to assess the potential of Fricke and polyacrylamide gel (PAG) dosimeters to quantitatively evaluate the efficiency of potential radiation sensitizers/protectors and antioxidants. These compounds are of importance in radiotherapy as well as in disease prevention and promotion of health. The basic principle of the Fricke dosimeter is the radiation-induced oxidation of F...
Gold nanoparticles have been shown to enhance radiation doses delivered to biological targets due to the high absorption coefficient of gold atoms, stemming from their high atomic number (Z) and physical density. These properties significantly increase the likelihood of photoelectric effects and Compton scattering interactions. Gold nanoparticles are a novel radiosensitizing agent that can pote...
Radiotherapy is used to treat approximately 50% of all cancer patients, with varying success. Radiation therapy has become an in-tegral part of modern treatment strategies for many types of cancer in recent decades, but is associated with a risk of long-term adverse effects. Of these side effects, car-diac complications are particularly relevant since they not only adversely affect quality of l...
CLAWN miniature pig has been shown to serve as a suitable host for the experimental infection of Schistosoma japonicum. In this study, we found that radiation-attenuated cercaria (RAC) vaccine gave CLAWN miniature pigs protective immunity against subsequent challenge infection with S. japonicum cercaria. To characterize the protective immune response of the pig model vaccinated by attenuated ce...
Human prostate cancer cells were evaluated for growth after photodynamic therapy, radiotherapy, and combined treatment. Indocyanine green was tested as a photosensitizer and radiosensitizer. Two human cell lines were used: PC-3 derived from prostate carcinoma, and EPN derived from normal prostate tissue. The light source used for the photoactivation experiments was a diode laser peaked at 805 n...
Recent studies in mouse tumor systems have indicated a potential therapeutic advantage in combining the radiosensitizer misonidazole (MISO) with cancer chemotherapy drugs. One agent the antitumor activity of which has been enhanced to a greater extent than its hematological or gastrointestinal toxicities is the nitrosourea, 1-(2-chloroethyl)-3-cyclohexyl-1nitrosourea (CCNU). Recently, sensitize...
Recent studies in mouse tumor systems have indicated a potential therapeutic advantage in combining the radiosensitizer misonidazole (MISO) with cancer chemotherapy drugs. One agent the antitumor activity of which has been enhanced to a greater extent than its hematological or gastrointestinal toxicities is the nitrosourea, 1-(2-chloroethyl)-3-cyclohexyl-1-nitrosourea (CCNU). Recently, sensitiz...
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