نتایج جستجو برای: target therapy
تعداد نتایج: 1015292 فیلتر نتایج به سال:
background: in gene therapy, the use of rna molecules as therapeutic agents has shown advantages over plasmid dna, including higher levels of safety. however, transient nature of rna has been a major obstacle in application of rna in gene therapy. methods: here, we used the internal ribosomal entry site of encephalomyocarditis virus and the 3’ non-translated region of poliovirus to design an en...
Introduction: Intensity modulated radiation therapy (IMRT) and three-dimensional conformal radiation therapy (3D CRT) are two treatment modalities in prostate cancer, which provide acceptable dose distribution in tumor region with sparing the surrounding normal tissues. IMRT is based on inverse planning optimization; in which, intensity of beams is modified by using multileaf c...
Unlike proton therapy, conventional radiation therapy directs X-rays not only at the tumor but also unavoidably at nearby healthy tissue. Protons deliver radiation to tumor tissue while the healthy structures will be spared during proton therapy. When protons travel through matter, secondary particles like neutrons and photons are produced. It is believed that the secondary dose can lead to sec...
PURPOSE The aim of this study is to compare the dosimetric differences between four techniques for spine stereotactic body radiotherapy (SBRT): CyberKnife (CK), volumetric modulated arc therapy (VMAT), and helical tomotherapy (HT) with dynamic jaws (HT-D) and fixed jaws (HT-F). MATERIALS/METHODS Data from 10 patients were utilized. All patients were planned for 24 Gy in two fractions, with th...
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