Evidence map›Paper›PMID 25575758›Full record

ArticleAnalytical biochemistry2015

Identification of oxidized phospholipids in bronchoalveolar lavage exposed to low ozone levels using multivariate analysis.

Ann-Charlotte Almstrand, Dennis Voelker, Robert C Murphy

Open access · greenAbstract read
In one paragraph

Article in Analytical biochemistry, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.

0numbers the graph read from it
0cells of the map it votes in
11citing papers in PubMed
1.3field-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

11 citing papers in PubMed, 22 citations in OpenAlex.

  1. Docosahexaenoic Acid and Its Metabolites Protect against Ozone-induced Pulmonary Inflammation.American journal of respiratory cell and molecular biology · 2025
    Article
  2. Review
  3. Making Mountains out of Mole Hills: The Role of CD36 in Oxidized Phospholipid-driven Lung Injury.American journal of respiratory cell and molecular biology · 2024
    Article
  4. Role of Innate Immune System in Environmental Lung Diseases.Current allergy and asthma reports · 2021
    Review
  5. Article
  6. Review
  7. Article
  8. Article
  9. Article
  10. Article
  11. Review
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

3 authors at 1 institution in 1 country.

Ann-Charlotte AlmstrandDepartment of Pharmacology, University of Colorado Denver, Aurora, CO 80045, USA; Department of Public Health and Community Medicine, University of Gothenburg, SE-40530 Gothenburg, Sweden.
Dennis VoelkerDepartment of Medicine, National Jewish Health, Denver, CO 80206, USA.
Robert C MurphyDepartment of Pharmacology, University of Colorado Denver, Aurora, CO 80045, USA. Electronic address: robert.murphy@ucdenver.edu.
University of Colorado Denver · US

Funding

TRANSLOCATION AND TRANSCELLULAR BIOSYNTHESISP01HL034303 · NHLBI · NATIONAL JEWISH HEALTH · PI BARKLEY, ROBERT · 1985 to 2015
$25.0M
NHLBI NIH HHS HL 34303NHLBI NIH HHS P01 HL034303
6 · The paper itself

Abstract

Chemical reactions with unsaturated phospholipids in the respiratory tract lining fluid have been identified as one of the first important steps in the mechanisms mediating environmental ozone toxicity. As a consequence of these reactions, complex mixtures of oxidized lipids are generated in the presence of mixtures of non-oxidized naturally occurring phospholipid molecular species, which challenge methods of analysis. Untargeted mass spectrometry and statistical methods were employed to approach these complex spectra. Human bronchoalveolar lavage (BAL) was exposed to low levels of ozone, and samples with and without derivatization of aldehydes were analyzed by liquid chromatography electrospray ionization tandem mass spectrometry. Data processing was carried out using principal component analysis (PCA). Resulting PCA scores plots indicated an ozone dose-dependent increase, with apparent separation between BAL samples exposed to 60 ppb ozone and non-exposed BAL samples as well as a clear separation between ozonized samples before and after derivatization. Corresponding loadings plots revealed that more than 30 phosphatidylcholine (PC) species decreased due to ozonation. A total of 13 PC and 6 phosphatidylglycerol oxidation products were identified, with the majority being structurally characterized as chain-shortened aldehyde products. This method exemplifies an approach for comprehensive detection of low-abundance, yet important, components in complex lipid samples.

Indexed as

Bronchoalveolar LavageAdultAgedChromatography, High Pressure LiquidHumansMass SpectrometryMiddle AgedMultivariate AnalysisOxidation-ReductionOzonePhosphatidylcholinesPhosphatidylglycerolsPhospholipidsPrincipal Component AnalysisSurface-Active AgentsYoung AdultOzonePhosphatidylcholinesPhosphatidylglycerolsPhospholipidsSurface-Active AgentsLungMass spectrometryOxidized lipidsOzonePrincipal component analysisPulmonary surfactant

Identifiers

PMID25575758
PMCPMC4375957
OpenAlexW1979241245

What OpenQuestion holds

Textmetadata
LicenceTDM
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.