نتایج جستجو برای: mir microrna

تعداد نتایج: 71970  

Journal: :Biology 2023

MicroRNA (miR) are a class of small non-coding RNA that involved in post-transcriptional gene regulation. Altered expression miR has been associated with several pathological conditions. MicroRNA-124 (miR-124) is an abundantly expressed the brain as well thymus, lymph nodes, bone marrow, and peripheral blood mono-nuclear cells. It plays key role regulation host immune system. Emerging studies s...

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Background:  Coronary Artery Disease (CAD) refers to the reduction or blockage of all or part of the coronary arteries due to the process of atherosclerosis or the presence of a clot. The aim of this study was to investigate the association of serum miR-197 as a diagnostic index in patients with coronary artery disease. Methods: In this study, 100 patients with CAD were selected. Extraction of...

Background and Aims: Chronic lymphocytic leukemia (CLL) is the most common adult human leukemia. MicroRNAs (miRNAs) are small non-coding RNAs that regulate gene expression. Research has shown that in CLL, microRNAs can have function as oncogenes or tumor suppressors. Some studies demonstrated that the expression of microRNA-93 (miR-93) and microRNA-330 (miR-330) have been changed in several can...

Journal: :Türk biyokimya dergisi 2021

Abstract Objectives Coronavirus disease 2019 (COVID-19) is a kind of viral pneumonia which caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). MicroRNAs (miRNA) are small non-coding RNAs consisting 19–25 nucleotides and play role in post-transcriptional gene regulation. We have focused on serum expression levels microRNA novel concept host–virus interactions. MicroRNA profil...

Journal: :L'Endocrinologo 2022

Sommario Il diabete mellito di tipo 2 (DMT2) è una malattia metabolica cronica eterogenea in costante aumento. In questa rassegna, al fine identificare un gruppo microRNA (miRNA) con potenziale applicazione clinica come biomarcatori per la diagnosi, prognosi e selezione terapie personalizzate i pazienti DMT2, abbiamo effettuato ricerca sistematica letteratura, identificando selezionando 10 miRN...

Journal: :archives of medical laboratory sciences 0
mohammad ebrahimifard professor; department of virology, tarbiat modares university, tehran, iran mahshid zandi abdolvahab moradi

background: microrna is a type of small rna of about 22 nucleotide length. most popular mirnas are found in the liver and are extensively important in determining the biological and clinical functions. microrna, in host cells, may impact the replication of viruses either positively or negatively. in this study the mir-122 expression was examined and compared in three groups, two sample groups o...

Journal: :Obstetrics, Gynecology and Reproduction 2023

Aim: comparative analysis of the expression profile plasma microRNAs and target genes in patients with complicated pregnancy. Materials Methods. A prospective observational study parallel groups was carried out. The included 73 women divided into three groups: main group – 42 preeclampsia (PE), comparison 12 pregnant fetal growth retardation (FGR), control 19 clinically healthy uncomplicated An...

ژورنال: پژوهش در پزشکی 2017

Abstract Background: MicroRNAs (miRNAs) are endogenous, non-coding short RNAs (~22 nt) that can downregulate gene expression by translational repression, mRNA degradation, or transcriptional repression. miRNA misregulation has been implicated in pathogenic alterations such as cancer. In order to investigate microRNA functions in gene regulation and/or to modulate their expression in pathogenic...

Journal: :Neuro-oncology 2022

Abstract There is a need for blood biomarkers meningioma. The role of circulating micro RNA in cancer diagnosis has been the objective several studies. One extensively studied miRNA different types microRNA-497 (miR-497). This study systematically evaluated miR-497 as meningioma biomarker disease and classification. We exosomal serum 74 samples (WHO grade I=25, WHO II=25, III=24), 53 healthy co...

Journal: :journal of cell and molecular research 0
sedigheh gharbi fatemh mirzadeh shahriar khatrei mohammad reza soroush mahmood tavallaie mohammad reza nourani

micrornas constitute a group of small non-coding rnas that negatively regulate gene expression. aside from their contribution to biological and pathological pathways, altered expression of micrornas is reported in bio-fluid samples, such as serum. to employ serum's micrornas as potential biomarkers, it is crucial to develop an efficient method for microrna quantification, avoiding pre-analytica...

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