• The thermofluor assay was the first high-throughput thermal shift assay and its utility and limitations has spurred the invention of a plethora of alternate methods. (wikipedia.org)
  • This need was met with the development of a new high-throughput technology for the quantitative determination of protein stability and ligand binding by differential scanning fluorimetry of proteins tagged with green fluorescent protein (GFP). (wikipedia.org)
  • Through a combination of structure-based virtual and high-throughput screening, we assayed more than 10,000 compounds-including approved drugs, drug candidates in clinical trials and other pharmacologically active compounds-as inhibitors of M pro . (nature.com)
  • To characterize the enzymatic activity of SARS-CoV-2 M pro and to carry out high-throughput screening of inhibitors, we developed a fluorescence resonance energy transfer assay. (nature.com)
  • Experimental approaches to drug repositioning generally involve high-throughput assays where libraries of approved compounds are tested against biological targets of interest. (biomedcentral.com)
  • Dr. Xu spent seven years at the biotechnology industry, engaging in discovery of novel antibiotics employing functional genomics, microbial physiology, assay development and high throughput screening approaches. (calstatela.edu)
  • Thermal stability of proteins has traditionally been investigated using biochemical assays, circular dichroism, or differential scanning calorimetry. (wikipedia.org)
  • Biochemical assays require a catalytic activity of the protein in question as well as a specific assay. (wikipedia.org)
  • With this idea we opened the second major line of our research, the elucidation of the structural basis of transcription and replication mechanisms and for that our plan is to complement structural data with biochemical assays that will allow us to establish the action mechanism. (csic.es)
  • A thermal shift assay (TSA) measures changes in the thermal denaturation temperature and hence stability of a protein under varying conditions such as variations in drug concentration, buffer pH or ionic strength, redox potential, or sequence mutation. (wikipedia.org)
  • Each method has its strengths and weaknesses but they all struggle with intrinsically disordered proteins without any clearly defined tertiary structure as the essence of a thermal shift assay is measuring the temperature at which a protein goes from well-defined structure to disorder. (wikipedia.org)
  • In this work, FMDV 3A homodimerization was evidenced by an in situ protein fluorescent ligation assay. (asm.org)
  • Replacements L38E and L41E, involving charge acquisition at residues predicted to contribute to the hydrophobic interface, reduced the dimerization signal in the protein ligation assay and prevented the detection of dimer/multimer species in both transiently expressed 3A proteins and in synthetic peptides reproducing the N terminus of 3A. (asm.org)
  • When expressed as a recombinant protein in transfected cells, PV 3A cofractionates with endoplasmic reticulum markers ( 66 ), and its single transient expression can disrupt the secretory apparatus ( 23 ) and decrease major histocompatibility complex (MHC) class I expression ( 22 ). (asm.org)
  • Whole cell lysate (WCL), post mitochondrial supernatant (PMS), and mitochondrial lysate (Mito) was isolated from each cell line indicated, normalized for total protein via BCA assay, and immunoblotted for Mecr or VDAC as a mitochondrial marker control. (elifesciences.org)
  • Various biochemical and cell biological assays, revealed that circZNF827 mechanistically functions as a scaffold for a complex of RNA-binding proteins, including its own host-gene-encoded protein, ZNF827, and two known transcriptional regulators, hnRNP K and L. Despite being localized mostly to the cell cytoplasm, circZNF827 apparently "moonlights" in the nucleus, where it nucleates these transcription factors to specific neuronal genes (e.g. (savesome.green)
  • The interaction of sGAG with α2-macroglobulin receptor-associated protein (LRPAP1), exportin-1 (XPO1), and serine protease HTRA1 (HTRA1) was confirmed in reverse assays. (degruyter.com)
  • Upon addition of a sample containing the analyte of interest, a NP-protein-analyte complex is formed in the test device that is captured on the REA chip, for example, via streptavidin-biotin interaction. (hindawi.com)
  • b) Schematic drawing of a bioanalytical REA assay before (left) and after (right) binding of AuNP-analyte complexes to the capture protein layer. (hindawi.com)
  • They then transfer the energy to the protein chlorophyll complexes of photosystem 2 in the photosynthetic lamellae2. (m0b1le.net)
  • Immuno-electronmicroscopical studies of purified chitosomes, gained from a yeast strain carrying a chitin-synthase gene fused to that for GFP (green-fluorescence protein), has led to the in situ localization of chitin-synthase-GFP molecules within chitosomes. (mdpi.com)
  • Lenis-Rojas OA, Cordeiro S, Horta-Meireles M, Fern?ndez JAA, Fern?ndez Vila S, Rubiolo JA, Cabezas-Sainz P, Sanchez L, Fernandes AR, Royo B. N-Heterocyclic Carbene Iron Complexes as Anticancer Agents: In Vitro and In Vivo Biological Studies. (ucdenver.edu)
  • 2-Nitrotoluene was genotoxic in a range of in vitro and in vivo assays, was notably clastogenic in human peripheral lymphocytes and formed DNA adducts in exposed rodents. (gc.ca)
  • One of the criticisms was that out of the 4 molecules that were synthesized and tested in in vitro assays, the one that was tested in mice was similar to ponatinib. (nature.com)
  • To investigate the underlying molecular mechanism we analysed binding of polycomb group (PcG) repressive complexes (PRCs) and the spatial organization of the INK4b-ARF-INK4a locus. (biomedcentral.com)
  • Chlorophylls and SCC form tight molecular complexes with some chemicals known or suspected to cause cancer , and in doing so, may block carcinogenic effects. (oregonstate.edu)
  • Chlorophyll and sodium copper chlorophyllin are able to form tight molecular complexes with certain chemicals known or suspected to cause cancer , including polyaromatic hydrocarbons found in tobacco smoke (8) , some heterocyclic amines found in cooked meat (9) , and aflatoxin-B 1 (10) . (oregonstate.edu)
  • A ) Quantification of T7E1 assay for editing efficiency in bulk transfected C2C12 cells with sgRNAs targeting the indicated mtFAS genes. (elifesciences.org)
  • 2021) and assessments of soil biological activity (e.g. enzyme assays), quantification of GHG flux (Davidson et al. (aries-dtp.ac.uk)
  • A newly developed chemical protocol for degradation of pentachorophenol (PCP) and 2, 4, 6-trichlorophenol (TCP) using iron complexes of tetraamidomacrocyclic ligand-Fe-TAML activators was successfully applied for rapid total destruction of CP. (cdc.gov)
  • The assay specifi city and of phosphate-buffered saline (PBS) in 96 deep-well plates sensitivity were comparable to those of a standard EIA. (cdc.gov)
  • Now, scientists at the Wyss Institute for Biologically Inspired Engineering at Harvard University and Brigham and Women's Hospital (BWH) have created a new type of immuno-assay that is capable of detecting small molecules with 50-fold greater sensitivity than conventional detection methods, and can be easily integrated into existing diagnostic platforms. (harvard.edu)
  • The enhanced analytical sensitivity of our assay enables measurements of small molecules at extremely low concentrations, and opens a window into biological phenomena that were previously unreachable," said senior author David Walt, Ph.D., a Core Faculty member of the Wyss Institute who is also the Hansjörg Wyss Professor of Biologically Inspired Engineering at Harvard Medical School (HMS) and Professor of Pathology at BWH, as well as an HHMI Professor. (harvard.edu)
  • The new competitive methods were able to detect their targets with up to 50 times greater sensitivity than a conventional ELISA (enzyme-linked immunosorbent assay), within about an hour. (harvard.edu)
  • Scientists at the hospital's Department of Clinical Biochemistry are using the QTRAP 6500 LC-MS/MS system for advanced clinical research, due to its exceptional sensitivity and selectivity, which are essential for compound detection at trace levels in complex biological matrices. (labmate-online.com)
  • Silver enhancement of the bound nanoparticles may be used to increase the sensitivity of the assay. (hindawi.com)
  • A colorimetric assay - similar to a swimming pool test kit - tests for the presence or absence of nanoparticles in biological and environmental relevant samples with sufficient sensitivity at part per billion concentration levels. (nanowerk.com)
  • The mixed lymphocyte reaction (MLR) assay was used to evaluate the function of DCs. (frontiersin.org)
  • These revised guidelines were developed by CDC for laboratories performing lymphocyte immunophenotyping assays in human immunodeficiency virus-infected persons. (cdc.gov)
  • One of these compounds (ebselen) also exhibited promising antiviral activity in cell-based assays. (nature.com)
  • These tests screen libraries of compounds to find any that affect the activity of biological targets, such as enzymes, that may be involved in a disease. (acs.org)
  • A traditional assay would look for compounds that bind to an activated kinase. (acs.org)
  • Here, we applied three different chemotropic assays to study the chemosensing capacity of T. atroviride toward compounds known or suspected to play a role in the mycoparasite/plant or host/prey fungal interactions and to cover the complete spectrum of T. atroviride developmental stages. (frontiersin.org)
  • The presented assays will be useful for screening of candidate compounds, and for evaluating their impact on the developmental spectrum of T. atroviride and other related species alike. (frontiersin.org)
  • I want to get the latest chemistry news from C&EN in my inbox every week. (acs.org)
  • Green chemistry catalyst causes depletion of GSH, oxidative stress and cytotoxicity in keratinocytes in the presence of H2O2. (cdc.gov)
  • My teaching activities cover all aspects of organic chemistry from basic structure and bonding in organic molecules, to complex organic synthesis. (exeter.ac.uk)
  • I am a member of the Biological Chemistry research group . (exeter.ac.uk)
  • In addition, Dr. Xu provides research training and mentoring to undergraduate and graduate students from Departments of Biological Sciences and Chemistry & Biochemistry. (calstatela.edu)
  • RNPs are macromolecular complexes composed of the genomic RNA bound to multiple monomers of a nucleoprotein and a single copy of the polymerase. (csic.es)
  • Use the PrimePCR DNA contamination control assay to determine if genomic DNA (gDNA) is present in a sample at a level that may affect PCR results. (bio-rad.com)
  • Chlorophyll is the pigment that gives plants and algae their green color. (oregonstate.edu)
  • The new assay for small molecules uses the existing Simoa detection system, shown here, which is able to identify single molecules of a target substance bound to magnetic microbeads. (harvard.edu)
  • The ethanolic extracts of the plant were examined for the presence of bioactive components and their total flavonoid content, with focusing on quercetin detection using thin layer bioautography (TLB) and brine shrimp lethality assay (BSLA) for cytotoxicity. (who.int)
  • The first method uses magnetic microbeads coated with the target molecule as the competitor, while the second method attaches the target molecule to the enzyme beta-galactosidase, which then binds to the magnetic beads to form the competitor complex. (harvard.edu)
  • Temperature has a direct effect on fundamental biological systems, including enzyme activity and correct folding of proteins. (springer.com)
  • Consecutive pathway and cluster analysis led to the identification of biological processes, namely processes involving binding and processing of nucleic acids, LRP1-dependent endocytosis, and exosome formation. (degruyter.com)
  • Each pathway belongs to one or more general biological categories such as cancer. (bio-rad.com)
  • The resulting scores were used to select the assays included in the corresponding real-time PCR pathway panel. (bio-rad.com)
  • Use the PrimePCR lookup tool to find assays and panels for your genes of interest. (bio-rad.com)
  • Wang began working in the pharmaceutical industry in 2015, when he joined Janssen to develop biochemical and biophysical assays, which are fundamental tools in early-stage drug discovery. (acs.org)
  • This review provides an insight into real-time quantitative PCR (qPCR) assays today. (ddw-online.com)
  • Use the PrimePCR positive control assay to qualitatively assess the performance of a PCR reaction associated with a single sample. (bio-rad.com)
  • The human pathogen Mycoplasma genitalium , a member of the pneumoniae cluster of mycoplasmas, binds to eukaryotic cells by means of its adhesion complex, the Nap. (nature.com)
  • Bio-Rad collaborated with Biogazelle, leaders in real-time PCR research, to design and experimentally validate PCR primers for gene expression assays across the human and mouse transcriptomes. (bio-rad.com)
  • Characterizing and anticipating complex inter-relationships between changes in societal behavior and changes in human health and the environment are significant scientific challenges. (nationalacademies.org)
  • The committee describes three of the largest challenges EPA is facing to illustrate the need for ORD to identify and apply advanced scientific tools and methods for meeting these complex challenges: (1) holistically addressing interconnected human health and ecological risks, (2) characterizing and addressing environmental justice and cumulative risk, and (3) anticipating and responding to the human health and environmental impacts of climate change. (nationalacademies.org)
  • The cumulative impacts of human activities, including chemical, physical, and biological stressors, are resulting in ubiquitous threats to human health and in massive declines in biodiversity and planetary sustainability (e.g. (nationalacademies.org)
  • Here, we use a human cell-based reporter assay to characterize off- target cleavage of Cas9-based RGENs. (cdc.gov)
  • Currently all TSH assays are using WHO purified calibrators (second IRP 80/558), which have 7-5 pg purified human pituitary extract and are the equivalent of 37 mIU. (medscape.com)
  • For several of the human tu- and various assays demonstrated an sues. (who.int)
  • Moreover, bioinformatic analyses were employed to identify the related biological functions of monocyte-derived DCs and construct the functional networks of lncRNAs and mRNAs that are differentially expressed (DE) in imDCs and mDCs. (frontiersin.org)
  • Bar graphs represent the mean of three independent biological replicate experiments, each analyzed in triplicate by RT-qPCR. (biomedcentral.com)
  • in poliovirus (PV), the interaction between the RNA replication complex and intracellular membranes appears to be accomplished by proteins 3A and 2C, which have membrane-binding properties ( 11 , 60 ). (asm.org)
  • Essential for infectivity is a transmembrane adhesion complex called Nap comprising proteins P110 and P140. (nature.com)
  • Recent studies have focused on asymmetric synthesis of structurally complex amino acids, using what has proved to be a very versatile radical-based methodology and also the use of structurally unusual heterocycles for masking the reactivity of synthetically valuable functional groups. (exeter.ac.uk)
  • Among the biological agents re- because species specificity limits the causes lymphoproliferative diseas- viewed in Volume 100B of the IARC feasibility of this approach for most of es in New World monkeys and in Monographs (IARC, 2012) are sever- these viruses. (who.int)
  • After being sealed into the microwells on a Simoa plate, any beads that are bound to a labeled version of the target molecule glow fluorescently (green), while beads that contain an unlabeled target molecule remain dark. (harvard.edu)
  • Control assays and synthetic DNA templates were designed to facilitate the assessment of the key experimental factors impacting your real-time PCR results. (bio-rad.com)
  • h) Luciferase assay of HEK293T cells following co-transfection of splicing reporter with SRSF3-specific siRNA (siSRSF3), hnRNPA3-specific siRNA (sihnRNPA3), or control siRNA. (bioz.com)
  • i) Luciferase assay of HEK293T-Ctrl or HEK293T-N cells following co-transfection of splicing reporter with SRSF3-expressing, hnRNPA3-expressing, or control plasmids. (bioz.com)
  • However, despite growing biological and clinical significance, little is known about the structural arrangement of this receptor or any of its family members. (uci.edu)
  • We identified a mechanism-based inhibitor (N3) by computer-aided drug design, and then determined the crystal structure of M pro of SARS-CoV-2 in complex with this compound. (nature.com)
  • Here, we address the structure and mechanism of the Nap adhesion complex and reveal an intricate interplay between P110 and P140. (nature.com)
  • Technological advances in tissue-specific miRNA profiling and genome editing have driven breakthroughs in understanding biological functions of miRNAs, mechanism of miRNA action, and regulation of miRNAs. (bvsalud.org)
  • The alternative is purchasing qPCR bulk reagents separately, where the end user would optimise and validate each assay in their own lab. (ddw-online.com)
  • Our goal is to solve the polymerase dimer structure that represents the functional complex for replication of RNPs. (csic.es)
  • RIP140 is required for ERα-complex formation, ERα-mediated gene expression, and ERα-dependent breast cancer cell proliferation. (aacrjournals.org)
  • Understanding the interactions between TFs and TFBSs provides insights into the complex transcriptional regulatory networks that govern gene expression, with broad implications for several fields such as developmental biology, immunology, and disease research. (bvsalud.org)
  • The assay has advantages over more laborious assays used for similar purposes and, be- to Sin Nombre cause it is mammal-specifi c rather than species-specifi c, we expect this assay will be applicable to serologic tests of Virus in Deer Mice mammals of many other species. (cdc.gov)
  • Phycobiliproteins (PBPs) are a class of water-soluble pigments with a variety of biological functions that are present in red macroalgae and cyanobacterial species. (m0b1le.net)
  • Greening Laboratories: How My Green Lab Support. (labmate-online.com)
  • Although flow cytometric immunophenotyping is a highly complex technology, methodology for performing CD4+ T-cell determinations has become more standardized between laboratories. (cdc.gov)
  • In other picornaviruses, homodimerization of 3A has been shown to be relevant for its biological activity. (asm.org)
  • In addition, the assay allows rapid scoring of the activity of chitin-synthases. (mdpi.com)
  • The concentration of TSH in circulation is expressed as milli-international units of biological activity per liter of serum (mIU/L). This way of expressing the concentration originates from the way in which the TSH (and other hormones) was initially evaluated. (medscape.com)
  • TSH was initially measured using bioassay on colloidal tissue isolated from the guinea pig thyroid gland and an international unit was defined as the minimum amount of TSH that would elicit a biological response (stimulation of thyroid cAMP cyclase activity in these preparations). (medscape.com)
  • SOR), hydrogen peroxide, and 2, 2-Diphenyl-2-picrylhydrazyl (DPPH) radical activity by a model (most biological y active) of the anticancer plant was also evaluated. (who.int)
  • Cell viability was estimated by Alamar Blue-based assay. (cdc.gov)
  • 2000. Threshold limit values for chemical substances and physical agents and biological exposure indices. (cdc.gov)
  • Chapter 5 identifies specific kinds of tools and approaches that could be applied in conducting the science to address complex challenges. (nationalacademies.org)
  • Today, mainly heterologous production systems are targeted due to the advantage of non-pathogenic hosts as well as uncoupling from complex quorum sensing regulatory networks compared to their natural producer Pseudomonas aeruginosa . (springer.com)
  • Deep learning has emerged as a powerful tool for solving complex problems, including reconstruction of gene regulatory networks within the realm of biology. (bvsalud.org)
  • This assay may also be used to compare relative levels of gDNA contamination present in different samples to determine if PCR results may be affected. (bio-rad.com)
  • Use the PrimePCR RNA quality assay to determine if RNA integrity may adversely affect PCR results for a single sample. (bio-rad.com)
  • This assay may also be used to compare relative RNA integrity among different samples to determine how PCR results might be affected. (bio-rad.com)
  • Trichoderma atroviride is a mycoparasitic fungus used as biological control agent to protect plants against fungal pathogens. (frontiersin.org)
  • 4.0) were obtained from subtractions' PC3 and PC4 that were tested for their biological activities. (m0b1le.net)
  • A new assay system for chitin has been developed. (mdpi.com)
  • Data in b-i and k-m are expressed as mean ± SD of three biological replicates. (bioz.com)
  • 1974. In: Biological handbooks: Biology data book. (cdc.gov)
  • With specific attention to carbon, your research will provide important evidence to inform future adoption and debates on the role of regenerative methods to leverage green financing (Keenor et al. (aries-dtp.ac.uk)
  • If assays are not completed within 48 hours, or the separated sample is to be stored beyond 48 hours, samples should be frozen at -20 degrees Celsius or colder. (medscape.com)
  • Drug Screening Assays, Antitumor" is a descriptor in the National Library of Medicine's controlled vocabulary thesaurus, MeSH (Medical Subject Headings) . (ucdenver.edu)
  • This graph shows the total number of publications written about "Drug Screening Assays, Antitumor" by people in this website by year, and whether "Drug Screening Assays, Antitumor" was a major or minor topic of these publications. (ucdenver.edu)
  • Below are the most recent publications written about "Drug Screening Assays, Antitumor" by people in Profiles. (ucdenver.edu)
  • The EOMES promoter is used as a case study for single DNA sequence analysis, revealing potential regulation by the LHX9-FOXP1 complex during embryonic development. (bvsalud.org)