نتایج جستجو برای: double strand
تعداد نتایج: 262569 فیلتر نتایج به سال:
introduction the aim of this study was toinvestigate the sterilization potential of atmospheric pressure plasma jet (appj) and interactions of this technology with double-stranded dna using the polymerase chain reaction (pcr) and single-strand conformation polymorphism (sscp) techniques. materials and methods the plasma jet was produced through a high voltage sinusoidal power supplyusing a mixt...
background: immunotoxins are comprised of both the cell targeting and the cell killing moieties. we previously established a new immunotoxin, i.e. shiga toxin granulocyte macrophage-colony stimulating factor (stxa1-gm-csf), comprises of catalytic domain of stx, as a killing moiety and gm-csf, as a cell targeting moiety. in this study, the ability of the immunotoxin to induce apoptosis and doubl...
The ionizing radiations, through physical and chemical processes, lead to simple and complex single- and double- strand breaks, as well as base lesions to the DNA. In this study, taking into account all the physical and chemical processes involved in the interaction of ionizing radiation with matter, the initial damage induced to DNA was evaluated for 5.7 MeV alpha-rays from Radon 223 isotope....
Objective: Coronary heart disease (CHD) is one of the most common diseases. Coronary angiography (CAG) is an important apparatus used to diagnose and treat this disease. Since angiography is performed through exposure to ionizing radiation, it can cause harmful effects induced by double-stranded breaks in DNA which is potentially life-threatening damage. The aim of the present study is to inves...
Radiotherapy using various beams is one of the methods for treating cancer, Hadrons used to treat cancers that are near critical organs. The most important part of the cell that is damage by ionizing radiation is DNA. In this study, damages induced in the genetic material of living cells (DNA) defined by the atomic model from the protein data bank (PDB) have been studied by radiati...
In bacteria, the RecF pathway plays an important role in the repair of DNA breaks and gaps. Reconstitution of this reaction in vitro has revealed similarities with double-strand break repair in eukaryotes.
When a double-strand break has a gap between the broken ends, the missing information can be restored through synthesis from a homologous template. Here we address the question of how long such a gap can be before this process fails. We measured the frequency of homologous repair in the Drosophila germ line following the creation of gaps of specific sizes ranging from 3.8 to 210 kb. We found th...
DNA double-strand breaks (DSBs) are one of the most deleterious types of lesions to the genome. Synthesis-dependent strand annealing (SDSA) is thought to be a major pathway of DSB repair, but direct tests of this model have only been conducted in budding yeast and Drosophila To better understand this pathway, we developed an SDSA assay for use in human cells. Our results support the hypothesis ...
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