Evidence map›Paper›PMID 31102570›Full record

ReviewChemical biology & drug design2019

Structure-dependent activation of gene expression by bis-indole and quinoline-derived activators of nuclear receptor 4A2.

Xi Li, Ronald B Tjalkens, Rupesh Shrestha, Stephen Safe

Open access · greenAbstract readReview
In one paragraph

Review in Chemical biology & drug design, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.

0numbers the graph read from it
0cells of the map it votes in
13citing papers in PubMed
1.2field-weighted citation impact, top 25% 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

13 citing papers in PubMed, 17 citations in OpenAlex.

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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

4 authors at 2 institutions in 1 country.

Xi LiDepartment of Veterinary Physiology and Pharmacology, Texas A&M University, College Station, Texas.
Ronald B TjalkensDepartment of Environmental and Radiological Health Sciences, College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, Colorado.
Rupesh ShresthaDepartment of Biochemistry and Biophysics, Texas A&M University, College Station, Texas.
Stephen SafeDepartment of Veterinary Physiology and Pharmacology, Texas A&M University, College Station, Texas.ORCID 0000-0002-2115-3060
Texas A&M University · USColorado State University · US

Funding

Texas A&M Center for Environmental Health Research (TiCER)P30ES029067 · NIEHS · TEXAS A&M UNIVERSITY · PI Galen Newman · 2019 to 2026
$13.0M
Neuroinflammation and developmental vulnerability to manganese toxicityR01ES021656 · NIEHS · COLORADO STATE UNIVERSITY · PI TJALKENS, RONALD · 2013 to 2022
$4.2M
Regulatory Science in Environmental Health and ToxicologyT32ES026568 · NIEHS · TEXAS A&M UNIVERSITY · PI Weihsueh A Chiu, Natalie M Johnson · 2016 to 2026
$3.8M
TARGETED GENOMICS FACILITY COREP30ES023512 · NIEHS · TEXAS A&M AGRILIFE RESEARCH · PI THREADGILL, DAVID W. · 2014 to 2017
$3.3M
NIEHS NIH HHS P30 ES023512NIEHS NIH HHS P30 ES029067NIEHS NIH HHS R01 ES021656NIEHS NIH HHS T32 ES026568
6 · The paper itself

Abstract

Bis-indole derivatives including 1,1-bis(3'-indolyl)-1-(4-chlorophenyl)methane (DIM-C-pPhCl) and substituted quinolines such as chloroquine (CQ) and amodiaquine (AQ) are nuclear receptor 4A2 (NR4A2, Nurr1) ligands, and they exhibit anti-inflammatory activities in mouse and rat models of Parkinson's disease, respectively. However, computational modeling demonstrates that the quinoline derivatives interact with the ligand-binding domain, whereas the bis-indoles preferentially interact with a C-terminal cofactor binding site of NR4A2. In this study, the effects of DIM-C-pPhCl and related analogs were compared with CQ/AQ as inducers of NR4A2-responsive genes including vasoactive intestinal peptide, osteopontin, proopiomelanocortin, and neuropilin 1 in Panc1 and Panc28 pancreatic cancer cells. The results demonstrate that, among the bis-indole analogs, their relative potencies as inducers were structure-gene- and cell context dependent. In contrast, CQ and AQ were significantly less potent than the bis-indole derivatives and, for some of the NR4A2-regulated genes, CQ and AQ were inactive as inducers. These results demonstrate that although bis-indole and quinoline derivatives have been characterized as activators of NR4A2-dependent gene expression, these two classes of compounds exhibit different activities, indicating that they are selective NR4A2 modulators.

Indexed as

IndolesQuinolinesAnimalsCell Line, TumorGene Expression Regulation, NeoplasticHumansMiceNeoplasm ProteinsNuclear Receptor Subfamily 4, Group A, Member 2Pancreatic NeoplasmsRatsStructure-Activity RelationshipIndolesNeoplasm ProteinsNR4A2 protein, humanNuclear Receptor Subfamily 4, Group A, Member 2Quinolinesbis-indole-derivedNR4A2 ligandquinoline-derived

Identifiers

PMID31102570
PMCPMC6791730
OpenAlexW2946032244

What OpenQuestion holds

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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.