نتایج جستجو برای: DNA methylation

تعداد نتایج: 527260  

Journal: :molecular biology research communications 2013
mehdi manoochehri mojgan bandehpour bahram kazemi

methylated and un-methylated control dna is an important part of dna methylation studies. although human and mouse dna methylation control sets are commercially available, in case of methylation studies on other species such as animals, plants, and bacteria, control sets need to be prepared. in this paper a simple method of generating methylated and un-methylated control dna is described. whole...

Methylated and un-methylated control DNA is an important part of DNA methylation studies. Although human and mouse DNA methylation control sets are commercially available, in case of methylation studies on other species such as animals, plants, and bacteria, control sets need to be prepared. In this paper a simple method of generating methylated and un-methylated control DNA is described. Whole...

Nasr- Esfahani, Mohammad Hossein, Nematollahi, Arezou, Rezaeian, Atefeh, Tavalaee, MSc, Department of Animal Biotechnology, Reproductive Biomedicine Research Center, Royan Institute f,

Background: DNA methylation is one of the epigenetic marks that are created by de novo DNA methylation and be maintained through cell division. This process is catalyzed by DNA methyltransferases. DNA methylation establishment in germ line is important, since they have the potential to regulate gene expression in offspring and improper DNA methylation patterns in germ lines has serious conseque...

Journal: :iranian biomedical journal 0
azam moosavi ali motevalizadeh ardekani

for a long time, scientists have tried to describe disorders just by genetic or environmental factors. however, the role of epigenetics in human diseases has been considered from a half of century ago. in the last decade, this subject has attracted many interests, especially in complicated disorders such as behavior plasticity, memory, cancer, autoimmune disease, and addiction as well as neurod...

DNA methylation is a type of epigenetic changes that directly affects DNA. In mammals, DNA methylation is essential for fetal development and stem cell differentiation and this phenomenon essentially occurs within the CpG islands. In this study, two methods were used to study the DNA methylation profile of cow genome. In the first method, the DNA methylation profile of the differentially expres...

Journal: :international journal of hematology-oncology and stem cell research 0
ali ghasemi msc, department of hematology, school of allied medical sciences, tehran university of medical sciences, tehran, iran. shahrbano rostami phd, assistant professor, hematology-oncology and stem cell transplantation research center, tehran university of medical sciences, tehran, iran. bahram chahardouli phd, assistant professor, hematology-oncology and stem cell transplantation research center, tehran university of medical sciences, tehran, iran. nasrin alizad ghandforosh msc, hematology-oncology and stem cell transplantation research center, tehran university of medical sciences, tehran, iran. abbas ghotaslou msc, department of hematology, school of allied medical sciences, tehran university of medical sciences, tehran, iran. fatemeh nadali phd, associate professor, department of hematology, school of allied medical sciences, tehran university of medical sciences, tehran, iran.

intoduction: acute myeloid leukemia (aml) is a heterogeneous group of hematologic malignancies with abundant changeability in the pathogenesis. dna methylation of cpg islands within the promoters of specific genes may play roles in tumor initiation and progression. secreted frizzled-related proteins (sfrps) are negative regulator of the wnt signaling pathway. in the present study, we examined t...

Coronary artery disease (CAD) is a common health problem in Iranian population. ATP binding cassette transporter A1 (ABCA1) plays central role in the efflux of the cholesterol from peripheral tissues back to liver. Inactivation of ABCA1 by epigenetic change such as DNA methylation may contribute to the development of CAD. The present study investigated the association between promoter DNA methy...

Journal: :modares journal of medical sciences: pathobiology 2014
fatemeh hosseini mehrdad ravanshad mehrdad noruzinia

objective: a recent field of research in epigenetics is dna methylation which involves the cpg island in the genome that subsequently controls transcription and translation of targeted genes. in the hepatitis b virus (hbv) genome, there are three cpg islands which tend to be methylated. the aim of the current study is to determine the methylation pattern of the hbv x gene in chronically infecte...

s:1993:"Background: There are many approaches that gene expression is controlled in eukaryotes. DNA methylation is one of several epigenetic mechanisms that cells use to control gene expression and lock genes in the "off" position. In addition, sperm DNA damage can correlate with DNA methylation defect. There is evidence that sperm of infertile men contain more DNA damage than fertile men and t...

Journal: Nanomedicine Journal 2018
Fatma Mohamed Magdy Badr El Dine Heba Abdel Samie Mohamed Hussein Rasha Abdelmawla Ghazala

Objective (s): Titanium dioxide nanoparticles (TiO2 NPs) have been recognized as biologically inert material and have been used in a multitude of applications. Nevertheless, the negative impact on the human health is not yet well understood. Aim of the work: The study attempted to evaluate the epigenetic changes of the genome, in the form of DNA methylation in liver tissue samples, resulting fr...

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