نتایج جستجو برای: cpg oligonucleotide
تعداد نتایج: 41346 فیلتر نتایج به سال:
Methylation-specific PCR (MSP) of the mouse p53 gene has not yet been reported. We searched the CpG islands, sequenced the bisulfited DNA, and designed PCR primers for methylation and unmethylation sites. DNA from a young mouse produced a strong PCR product with the unmethylated primer and a weaker band with the methylated primer. DNA from an old mouse produced bands of similar intensities with...
A novel approach for the preparation of oligonucleotides carrying amino groups at the 3'-end is described. Several CPG supports having aminoalkyl groups and 3'-amino-2',3'-dideoxynucleosides linked through base-labile carbamate linkages such as 2-(2-nitrophenyl)ethoxycarbonyl and fluorenylmethoxycarbonyl were prepared using two different strategies. These supports are compatible to the standard...
Objective(s) Several antigens, adjuvants and delivery systems have been evaluated for induction of protective immune responses against Leishmaniasis, but most of them have been inefficient. In this study, PLGA nanospheres as antigen delivery system CpG-ODN as an immunoadjuvant for increasing the immune responses against Autoclaved Leishmania major (ALM) were prepared and characterized. Materi...
طبیعت همواره نمایانگر بهترین شیوه های حرکت برای موجودات است. مطالعات فیزیولوژیکی اعصاب بدن موجودات زنده نشان داده است که حرکات پایه ای و تکراری بدن با شبکه های عصبی، تحت عنوان ایجادکننده الگوی مرکزی (cpg) ایجاد می شود. با توجه به شباهت های موجود مابین رباتیک و بیولوژی و همچنین فراگیر شدن استفاده از مطالعات زیستی در حوزه رباتیک، در این پژوهش از cpg به عنوان رهیافتی زیستی جهت حرکت ربات استفاده شد...
objective(s): although several chemical and physical methods for gene delivery have been introduced, their cytotoxicity, non-specific immune responses and the lack of biodegradability remain the main issues. in this study, hydroxyapatite nanoparticles (nps) and 1,2-dioleoyl-sn-glycero-3-phosphoethanolamine (dope)-modified hydroxyapatite nps was coated with antisense oligonucleotide of e6 mrna...
AIM To develop a reliable method for whole genome analysis of DNA methylation. MATERIALS & METHODS Genome-scale analysis of DNA methylation includes affinity-based approaches such as enrichment using methyl-CpG-binding proteins. One of these methods, the methylated-CpG island recovery assay (MIRA), is based on the high affinity of the MBD2b-MBD3L1 complex for CpG-methylated DNA. Here we provi...
A directed-search strategy for point mutations in the factor Vlll gene causing hemophilia A was used to screen eight potentially hypermutable CpG dinucleotides occurring at sites deemed to be of functional importance. Polymerase chain reaction-amplified DNA samples from 793 unrelated individuals with hemophilia A were screened by discriminant oligonucleotide hybridization. Point mutations were ...
Abstract Herein, we describe the construction of a reduction-responsive oligonucleotide by post-modification an with diazo compound bearing 4-nitrobenzyl group as cleavable moiety. High-performance liquid chromatography and mass spectrometry were used to reveal introduction 5?-phosphate oligonucleotide, subsequent reduction-triggered recovery original oligonucleotide. The protocol for preparati...
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