نتایج جستجو برای: dna binding
تعداد نتایج: 853225 فیلتر نتایج به سال:
lactoferrin (lf) is an iron-binding multi-functional glycoprotein which has numerous physiological functions such as iron transportation, anti-microbial activity and immune response. in this study, different in silico approaches were exploited to investigate lf protein properties in a number of mammalian species. results showed that the iron-binding site, dna and rna-binding sites, signal pepti...
DNA is the ultimate molecule that encodes life through genes. Genes positioned along meter-long have to be expressed at right time and in amount via strict regulatory processes. Regulation of a gene starts with binding DNA-binding protein known as transcription factor (TF) target element double-stranded molecule. Often, TFs attach sequence-specific manner can motifs various lengths, yet some al...
Objective(s): β-thalassemia is one of the most common genetic disorders in the world. As one of the promising treatment strategies, fetal hemoglobin (Hb F) can be induced. The present study was an attempt to reactivate the γ-globin gene by introducing a gene construct containing KLF1 binding sites to the K562 cell line. Materials and Methods: A plasmid containing a 192 bp sequence with two repe...
Background: Anti-dsDNA antibodies frequently found in the sera Systemic Lupus Erythematosus patients, particularly in active disease stage. Nowadays exploit different eukaryotic and prokaryotic dsDNA as antigen source and different reagents as binder. The aim of this study to compared two dsDNA different sources and tow different kinds of reagents for binder in ELISA test. Methods: In this stu...
Objective(s): The interaction of DNA with iron oxide nanoparticles (SPIONs) was studied to find out the interaction mechanism and design new drug delivery systems. Materials and Methods: The interaction of calf thymus DNA (ctDNA) with SPIONs doped with 2H-chromene via dopamine as cross linker (SPIONs@DA-Chr) was studied using the UV absorption spectroscopy, viscosity measurement, circular dichr...
In the present study, the interaction between water-soluble cationic asymmetric porphyrin, 5-(1-Hexadecyl pyridinium-4-yl)-10, 15, 20-tris (1-Butyl pyridinium-4-yl) Porphyrin Chloride, and its copper (II) derivative with calf thymus DNA (CT-DNA) were studied by means of spectroscopic techniques, viscosity measurements and molecular docking. The monitoring of the changes in visible absorbance sp...
Background: Development of safe radioprotector is a challenging task. In this study radioprotective effect of sucrose has been demonstrated in calf thymus DNA (CtDNA). Sucrose is a free radical scavenger and also acts as osmolyte and therefore can influence the water activity around DNA and effects of radiation on DNA. Hoechst 33258 was used to probe the possible alteration in physicochemical p...
In this study, the interaction of the anthracycline antibiotic doxorubicin with DNA-HMG 1 complex was investigated employing UV/VIS spectroscopy, thermal denaturation and DNA cellulose chromatography techniques. The results indicated that the binding of doxorubicin to the protein reduces its Tm in a dose dependent manner. Although doxorubicin protects free DNA against thermal denaturation ...
Using a two step simulation protocol the atomistic interactions between PEG and b-PEI effect of these on DNA binding were determined.
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