نتایج جستجو برای: mirna binding site snp
تعداد نتایج: 747797 فیلتر نتایج به سال:
Synonymous codons are widely selected for various biological mechanisms in both prokaryotes and eukaryotes. Recent evidence suggests that microRNA (miRNA) function may affect synonymous codon choices near miRNA target sites. To better understand this, we perform genome-wide analysis on synonymous codon usage around miRNA target sites in four plant genomes. We observed a general trend of increas...
Recent analyses have revealed many functional microRNA (miRNA) targets in mammalian protein coding regions. But, the mechanisms that ensure miRNA function when their target sites are located in protein coding regions of mammalian mRNA transcripts are largely unknown. In this paper, we investigate some potential biological factors, such as target site accessibility and local translation efficien...
The domestication of cattle from the now-extinct wild aurochs (Bos primigenius) involved selection for physiological and behavioral traits, with underlying genetic factors that remain largely unknown. Non-coding microRNAs have emerged as key regulators of the spatio-temporal expression of target genes controlling mammalian growth and development, including in livestock species. During the domes...
conclusions rs1595065 could be recommended as a risk factor in regulating her4 expression and affecting her2 positivity incidence among bc patients. methods overall, 156 patients and controls were genotyped using rflp-pcr. armitage test for trend was utilized to investigate the association between rs1595065 and susceptibility to bc. the possible change in the interaction between rs1595065 and m...
Genetic variations, such as single nucleotide polymorphisms (SNPs) in microRNAs (miRNA) or in the miRNA binding sites may affect the miRNA dependent gene expression regulation, which has been implicated in various cancers, including breast cancer, and may alter individual susceptibility to cancer. We investigated associations between miRNA related SNPs and breast cancer risk. First we evaluated...
Individual microRNAs (miRNAs) are rapidly down-regulated during conditions of cellular activation and infection, but factors mediating miRNA turnover are poorly understood. Infection of mouse cells with murine cytomegalovirus (MCMV) induces the rapid down-regulation of an antiviral cellular miRNA, miR-27. Here, we identify a transcript produced by MCMV that binds to miR-27 and mediates its degr...
The first part of this thesis describes the development of polony sequencing, a sequencing technology in which DNA is cloned, amplified and sequenced in a polymer matrix. A complex library of one to ten million linear DNA molecules is amplified by performing polymerase chain reaction (PCR) in a thin polyacrylamide film poured on a glass microscope slide. The polyacrylamide matrix retards the di...
Transcription regulation is one of the most basic regulatory mechanisms in the cell. It is controlled by transcription factors which binds on a specific sequence called transcription factor binding site(TFBS). In the field of gene expression regulation, researches on TFBS binding TF have been actively going on. Searching methods for TFBS frequently use position-specific frequency matrices for b...
MicroRNAs (miRNAs) are post-transcriptional regulators that bind to their target mRNAs through base complementarity. Predicting miRNA targets is a challenging task and various studies showed that existing algorithms suffer from high number of false predictions and low to moderate overlap in their predictions. Until recently, very few algorithms considered the dynamic nature of the interactions,...
In recent years, microRNAs (miRNAs) were found to play critical roles in many important biological processes. On the other hand, the rapid development of genome-wide association studies (GWAS) help identify potential genetic variants associated with the disease phenotypic variance. Therefore, we suggested a combined analysis of microRNA expression profiling with genome-wide Single Nucleotide Po...
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