Evidence map›Paper›PMID 25405776›Full record

ArticlePloS one2014

IL-17A and serum amyloid A are elevated in a cigarette smoke cessation model associated with the persistence of pigmented macrophages, neutrophils and activated NK cells.

Michelle J Hansen, Sheau Pyng J Chan, Shenna Y Langenbach, Lovisa F Dousha, Jessica E Jones, Selcuk Yatmaz, Huei Jiunn Seow, Ross Vlahos, Gary P Anderson, Steven Bozinovski

Open access · goldAbstract read
In one paragraph

Article in PloS one, 2014. 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 21% 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, 31 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

10 authors at 1 institution in 1 country.

Michelle J HansenLung Health Research Centre, Department of Pharmacology and Therapeutics, The University of Melbourne, Victoria, Australia.
Sheau Pyng J ChanLung Health Research Centre, Department of Pharmacology and Therapeutics, The University of Melbourne, Victoria, Australia.
Shenna Y LangenbachLung Health Research Centre, Department of Pharmacology and Therapeutics, The University of Melbourne, Victoria, Australia.
Lovisa F DoushaLung Health Research Centre, Department of Pharmacology and Therapeutics, The University of Melbourne, Victoria, Australia.
Jessica E JonesLung Health Research Centre, Department of Pharmacology and Therapeutics, The University of Melbourne, Victoria, Australia.
Selcuk YatmazLung Health Research Centre, Department of Pharmacology and Therapeutics, The University of Melbourne, Victoria, Australia.
Huei Jiunn SeowLung Health Research Centre, Department of Pharmacology and Therapeutics, The University of Melbourne, Victoria, Australia.
Ross VlahosLung Health Research Centre, Department of Pharmacology and Therapeutics, The University of Melbourne, Victoria, Australia.
Gary P AndersonLung Health Research Centre, Department of Pharmacology and Therapeutics, The University of Melbourne, Victoria, Australia.
Steven BozinovskiLung Health Research Centre, Department of Pharmacology and Therapeutics, The University of Melbourne, Victoria, Australia.
University of Melbourne · AU

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

While global success in cessation advocacy has seen smoking rates fall in many developed countries, persistent lung inflammation in ex-smokers is an increasingly important clinical problem whose mechanistic basis remains poorly understood. In this study, candidate effector mechanisms were assessed in mice exposed to cigarette smoke (CS) for 4 months following cessation from long term CS exposure. BALF neutrophils, CD4+ and CD8+ T cells and lung innate NK cells remained significantly elevated following smoking cessation. Analysis of neutrophil mobilization markers showed a transition from acute mediators (MIP-2α, KC and G-CSF) to sustained drivers of neutrophil and macrophage recruitment and activation (IL-17A and Serum Amyoid A (SAA)). Follicle-like lymphoid aggregates formed with CS exposure and persisted with cessation, where they were in close anatomical proximity to pigmented macrophages, whose number actually increased 3-fold following CS cessation. This was associated with the elastolytic protease, MMP-12 (macrophage metallo-elastase) which remained significantly elevated post-cessation. Both GM-CSF and CSF-1 were significantly increased in the CS cessation group relative to the control group. In conclusion, we show that smoking cessation mediates a transition to accumulation of pigmented macrophages, which may contribute to the expanded macrophage population observed in COPD. These macrophages together with IL-17A, SAA and innate NK cells are identified here as candidate persistence determinants and, we suggest, may represent specific targets for therapies directed towards the amelioration of chronic airway inflammation.

Indexed as

Models, AnimalSmoking CessationAnimalsBronchoalveolar Lavage FluidFlow CytometryInterleukin-17Killer Cells, NaturalMacrophages, AlveolarMaleMatrix Metalloproteinase 12MiceMice, Inbred BALB CNeutrophilsReal-Time Polymerase Chain ReactionSerum Amyloid A ProteinTobacco Smoke PollutionInterleukin-17Matrix Metalloproteinase 12Serum Amyloid A ProteinTobacco Smoke Pollution

Identifiers

PMID25405776
PMCPMC4236152
OpenAlexW2055309245

What OpenQuestion holds

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LicenceCC BY
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.