Evidence map›Paper›PMID 19505231›Full record

ArticleAssay and drug development technologies2009

Identification of pregnane X receptor ligands using time-resolved fluorescence resonance energy transfer and quantitative high-throughput screening.

Sunita J Shukla, Dac-Trung Nguyen, Ryan Macarthur, Anton Simeonov, William J Frazee, Tina M Hallis, Bryan D Marks, Upinder Singh, Hildegard C Eliason, John Printen and 3 more

Open access · greenAbstract read
In one paragraph

Article in Assay and drug development technologies, 2009. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 27 papers.

0numbers the graph read from it
0cells of the map it votes in
27citing papers in PubMed
8.0field-weighted citation impact, top 3% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

27 citing papers in PubMed, 62 citations in OpenAlex.

  1. Chemical Screening of Nuclear Receptor Modulators.International journal of molecular sciences · 2020
    Review
  2. Article
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  10. Estrogen receptor alpha/co-activator interaction assay: TR-FRET.Methods in molecular biology (Clifton, N.J.) · 2015
    Article
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  13. Review
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

13 authors at 2 institutions in 1 country.

Sunita J ShuklaNIH Chemical Genomics Center, National Institutes of Health, Bethesda, Maryland, USA.
Dac-Trung Nguyen
Ryan Macarthur
Anton Simeonov
William J Frazee
Tina M Hallis
Bryan D Marks
Upinder Singh
Hildegard C Eliason
John Printen
Christopher P Austin
James Inglese
Douglas S Auld
National Institutes of Health · USWisconsin Institutes for Discovery · US

Funding

NIH Chemical Genomics CenterZIBHG200319 · NHGRI · NATIONAL HUMAN GENOME RESEARCH INSTITUTE · PI AUSTIN, CHRISTOPHER P · 2010 to 2011
$55.9M
Small molecule screening programZ01HG200319 · NHGRI · NATIONAL HUMAN GENOME RESEARCH INSTITUTE · PI AUSTIN, CHRISTOPHER P · 2004 to 2008
$32.3M
NIH Chemical Genomics CenterZIAHG200319 · NHGRI · NATIONAL HUMAN GENOME RESEARCH INSTITUTE · PI AUSTIN, CHRISTOPHER P · 2009 to 2009
$19.9M
Intramural NIH HHS
6 · The paper itself

Abstract

The human pregnane X nuclear receptor (PXR) is a xenobiotic-regulated receptor that is activated by a range of diverse chemicals, including antibiotics, antifungals, glucocorticoids, and herbal extracts. PXR has been characterized as an important receptor in the metabolism of xenobiotics due to induction of cytochrome P450 isozymes and activation by a large number of prescribed medications. Developing methodologies that can efficiently detect PXR ligands will be clinically beneficial to avoid potential drug-drug interactions. To facilitate the identification of PXR ligands, a time-resolved fluorescence resonance energy transfer (TR-FRET) assay was miniaturized to a 1,536-well microtiter plate format to employ quantitative high-throughput screening (qHTS). The optimized 1,536-well TR-FRET assay showed Z'-factors of >or=0.5. Seven- to 15-point concentration-response curves (CRCs) were generated for 8,280 compounds using both terbium and fluorescein emission data, resulting in the generation of 241,664 data points. The qHTS method allowed us to retrospectively examine single concentration screening datasets to assess the sensitivity and selectivity of the PXR assay at different compound screening concentrations. Furthermore, nonspecific assay artifacts such as concentration-based quenching of the terbium signal and compound fluorescence were identified through the examination of CRCs for specific emission channels. The CRC information was also used to define chemotypes associated with PXR ligands. This study demonstrates the feasibility of profiling thousands of compounds against PXR using the TR-FRET assay in a high-throughput format.

Indexed as

Dose-Response Relationship, DrugFluorescence Resonance Energy TransferHumansLigandsPregnane X ReceptorReceptors, SteroidStructure-Activity RelationshipLigandsPregnane X ReceptorReceptors, Steroid

Identifiers

PMID19505231
PMCPMC3116688
OpenAlexW2009557438

What OpenQuestion holds

Textmetadata
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.