نتایج جستجو برای: reporter gene assay

تعداد نتایج: 1313861  

Objective(s): MicroRNAs (miRNAs) are considered as powerful, post-transcriptional regulators of gene expression in hepatocellular carcinoma cells (HCC). However, the function of miR-92a is still unclear in HCC. Materials and Methods: Expression of miR-92a in human HCC cell lines was evaluated using qRT-PCR. MTT assay and transwell assay were used to examine the function of miR-92a in HepG2 and ...

Journal: :Journal of biomolecular screening 2010
Gentaroh Suzuki Hiroshi Kawamoto Hisashi Ohta

mGluR1 antagonists have been postulated to be novel CNS drugs, including antipsychotics. Toward this end, the authors developed a beta-lactamase reporter assay to identify mGluR1 antagonists. beta-Lactamase has several interesting features for high-throughput screening, including very high sensitivity and less well-to-well variation than other reporter enzymes. mGluR1-expressing Chinese hamster...

Journal: :Cancer Cell International 2021

Abstract Background Our previous study shows that LINC01278 inhibits the malignant proliferation and invasion of papillary thyroid carcinoma (PTC) cells by regulating miR-376c-3p/DNM3 axis. However, regulation mechanism expression in PTC is still unclear. Methods The luciferase reporter ChIP assays were used to confirm binding LEF-1 putative promoter site gene. RNA immunoprecipitation pulldown ...

Journal: :Chemistry & biology 2015
Liwei Lang Han-Fei Ding Xiaoguang Chen Shi-Yong Sun Gang Liu Chunhong Yan

Although transgene-based reporter gene assays have been used to discover small molecules targeting expression of cancer-driving genes, the success is limited due to the fact that reporter gene expression regulated by incomplete cis-acting elements and foreign epigenetic environments does not faithfully reproduce chemical responses of endogenous genes. Here, we present an internal ribosome entry...

ژورنال: دانشور پزشکی 2009

 Introduction: RNA interference (RNAi) is a phenomenon of gene silencing that uses double-stranded RNA (dsRNA), specifically inhibits gene expression by degrading mRNA efficiently. The mediators of degradation are 21- to 23-nt small interfering RNAs (siRNA). The use of siRNAs as inhibitors of gene expression has been shown to be an effective way of studying gene function in mammalian cells.  Ai...

Journal: :Journal of Biosciences and Medicines 2023

Purpose: Ischemia-reperfusion (I/R) injury exacerbates myocardial cell death (including apoptosis and necrosis), leading to complications such as arrhythmias, stenosis, microvascular obstruction heart failure, it is particularly important seek new strategies mitigate reperfusion injury. In this paper, we will investigate whether atorvastatin can alleviate ischemia-reperfusion verify its molecul...

In the current study, in order to verify the presence of bacterial Molybdenum cofactor, an indirect approach was made by showing the activity of BisC enzyme as a reporter gene. The activity of the BisC enzyme is dependent to Bis-MGD cofactor. BisC enzyme converts biotin sulfoxide to biotin under abiotic stress condition and it can also reduce TMANO and because of this property it was applied on...

2015
Sarina Schulze Sven Reinhardt Christian Freese Ulrich Schmitt Kristina Endres

Transporters of the ATP-binding cassette (ABC) family such as MDR1 play a pivotal role in persistence of brain homeostasis by contributing to the strict permeability properties of the blood-brain barrier. This barrier on one hand compromises treatment of central nervous system diseases by restricting access of drugs; on the other hand, an impaired or altered function of barrier building cells h...

Journal: :Ecotoxicology 2009
Wei Shi Xiaoyi Wang Wei Hu Hong Sun Ouxi Shen Hongling Liu Xinru Wang John P Giesy Shupei Cheng Hongxia Yu

The endocrine-disrupting equivalents in effluents from three chemical industry wastewater treatment systems in the vicinity of Yangtze River were determined by several transactivation reporter gene assays. Transient transfections of African green monkey kidney cell line (CV-1) were used to determine the estrogenic, anti-androgenic and anti-thyroid equivalents in the effluents. Organic extracts ...

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