Evidence map›Paper›PMID 20833730›Full record

ArticleThe Journal of biological chemistry2010

TNFα and IFNγ synergistically enhance transcriptional activation of CXCL10 in human airway smooth muscle cells via STAT-1, NF-κB, and the transcriptional coactivator CREB-binding protein.

Deborah L Clarke, Rachel L Clifford, Sarawut Jindarat, David Proud, Linhua Pang, Maria Belvisi, Alan J Knox

Open access · hybridAbstract read
In one paragraph

Article in The Journal of biological chemistry, 2010. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 78 papers.

0numbers the graph read from it
0cells of the map it votes in
78citing papers in PubMed
7.3field-weighted citation impact, top 2% 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

78 citing papers in PubMed, 123 citations in OpenAlex.

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  12. A Human Skin Model for Assessing Arboviral Infections.JID innovations : skin science from molecules to population health · 2022
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18 more citing papers are in PubMed but not listed here.

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

7 authors at 4 institutions in 3 countries.

Deborah L ClarkeNottingham Respiratory Biomedical Research Unit, City Hospital, University of Nottingham, Nottingham NG5 1PB, United Kingdom. ClarkeD@MedImmune.com
Rachel L Clifford
Sarawut Jindarat
David Proud
Linhua Pang
Maria Belvisi
Alan J Knox
Nottingham City Hospital · GBNational Institutes of Health · USUniversity of Calgary · CAUniversity of Nottingham · GB

Funding

Biotechnology and Biological Sciences Research Council BB/E52708X/1
6 · The paper itself

Abstract

Asthmatic airway smooth muscle (ASM) expresses interferon-γ-inducible protein-10 (CXCL10), a chemokine known to mediate mast cell migration into ASM bundles that has been reported in the airways of asthmatic patients. CXCL10 is elevated in patients suffering from viral exacerbations of asthma and in patients with chronic obstructive pulmonary disease (COPD), diseases in which corticosteroids are largely ineffective. IFNγ and TNFα synergistically induce CXCL10 release from human ASM cells in a steroid-insensitive manner, via an as yet undefined mechanism. We report that TNFα activates the classical NF-κB (nuclear factor κB) pathway, whereas IFNγ activates JAK2/STAT-1α and that inhibition of the JAK/STAT pathway is more effective in abrogating CXCL10 release than the steroid fluticasone. The synergy observed with TNFα and IFNγ together, however, did not lie at the level of NF-κB activation, STAT-1α phosphorylation, or in vivo binding of these transcription factors to the CXCL10 promoter. Stimulation of human ASM cells with TNFα and IFNγ induced histone H4 but not histone H3 acetylation at the CXCL10 promoter, although no synergism was observed when both cytokines were combined. We show, however, that TNFα and IFNγ exert a synergistic effect on the recruitment of CREB-binding protein (CBP) to the CXCL10, which is accompanied by increased RNA polymerase II. Our results provide evidence that synergism between TNFα and IFNγ lies at the level of coactivator recruitment in human ASM and suggest that inhibition of JAK/STAT signaling may be of therapeutic benefit in steroid-resistant airway disease.

Indexed as

Blotting, WesternCells, CulturedCell SurvivalChemokine CXCL10Chromatin ImmunoprecipitationCREB-Binding ProteinHumansInterferon-gammaMyocytes, Smooth MuscleNF-kappa BPhosphorylationProtein BindingReverse Transcriptase Polymerase Chain ReactionRNA Polymerase IISTAT1 Transcription FactorTumor Necrosis Factor-alphaChemokine CXCL10CREB-Binding ProteinCXCL10 protein, humanInterferon-gammaNF-kappa BRNA Polymerase IISTAT1 Transcription FactorTumor Necrosis Factor-alpha

Identifiers

PMID20833730
PMCPMC2937941
OpenAlexW2020932787

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.