Evidence map›Paper›PMID 23775085›Full record

ArticleThe Journal of biological chemistry2013

Increased cAMP in monocytes augments Notch signaling mechanisms by elevating RBP-J and transducin-like enhancer of Split (TLE).

Jason L Larabee, Salika M Shakir, Soumitra Barua, Jimmy D Ballard

Open access · hybridAbstract read
In one paragraph

Article in The Journal of biological chemistry, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 16 papers.

0numbers the graph read from it
0cells of the map it votes in
16citing papers in PubMed
1.2field-weighted citation impact, top 22% 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

16 citing papers in PubMed, 24 citations in OpenAlex.

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  13. Tle1 tumor suppressor negatively regulates inflammation in vivo and modulates NF-κB inflammatory pathway.Proceedings of the National Academy of Sciences of the United States of America · 2016
    Article
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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 1 institution in 1 country.

Jason L LarabeeDepartment of Microbiology and Immunology, The University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma 73104, USA.
Salika M Shakir
Soumitra Barua
Jimmy D Ballard
University of Oklahoma Health Sciences Center · US

Funding

Translation of immunologic technologies from basic research into pre-clinical nonU19AI062629 · NIAID · OKLAHOMA MEDICAL RESEARCH FOUNDATION · PI THOMPSON, LINDA F · 2004 to 2023
$56.2M
NIAID NIH HHS U19 AI 062629NIAID NIH HHS U19 AI062629
6 · The paper itself

Abstract

In cells of the innate immune system, pathological increases in intracellular cAMP attenuate immune responses and contribute to infections by bacteria such as Bacillus anthracis. In this work, cAMP from B. anthracis edema toxin (ET) is found to activate the Notch signaling pathway in both mouse macrophages and human monocytes. ET as well as a cell-permeable activator of PKA induce Notch target genes (HES1, HEY1, IL2RA, and IL7R) and are able to significantly enhance the induction of these Notch target genes by a Toll-like receptor ligand. Elevated cAMP also resulted in increased levels of Groucho/transducin-like enhancer of Split (TLE) and led to increased amounts of a transcriptional repressor complex consisting of TLE and the Notch target Hes1. To address the mechanism used by ET to activate Notch signaling, components of Notch signaling were examined, and results revealed that ET increased levels of recombinant recognition sequence binding protein at the Jκ site (RBP-J), a DNA binding protein and principal transcriptional regulator of Notch signaling. Overexpression studies indicated that RBP-J was sufficient to activate Notch signaling and potentiate LPS-induced Notch signaling. Further examination of the mechanism used by ET to activate Notch signaling revealed that C/EBP β, a transcription factor activated by cAMP, helped activate Notch signaling and up-regulated RBP-J. These studies demonstrate that cAMP activates Notch signaling and increases the expression of TLE, which could be an important mechanism utilized by cAMP to suppress immune responses.

Indexed as

AnimalsAntigens, BacterialBacterial ToxinsBasic Helix-Loop-Helix ProteinsBucladesineCCAAT-Enhancer-Binding Protein-betaCell LineCells, CulturedCo-Repressor ProteinsCyclic AMPGene ExpressionHEK293 CellsHomeodomain ProteinsHumansImmunoblottingImmunoglobulin J Recombination Signal Sequence-Binding Proteinanthrax toxinAntigens, BacterialBacterial ToxinsBasic Helix-Loop-Helix ProteinsBucladesineCCAAT-Enhancer-Binding Protein-betaCo-Repressor ProteinsCyclic AMPHES1 protein, humanHomeodomain ProteinsImmunoglobulin J Recombination Signal Sequence-Binding ProteinLipopolysaccharidesLuciferasesmonobutyryl cyclic AMPRBPJ protein, humanReceptor, Notch1Repressor ProteinsTLE1 protein, humanTranscription Factor HES-1Bacterial PathogenesisBacterial ToxinsCyclic AMP (cAMP)MonocytesNotch Pathway

Identifiers

PMID23775085
PMCPMC3724613
OpenAlexW1970998802

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.