Evidence map›Paper›PMID 33809301›Full record

ReviewMolecules (Basel, Switzerland)2021

Methodological Fallacies in the Determination of Serum/Plasma Glutathione Limit Its Translational Potential in Chronic Obstructive Pulmonary Disease.

Salvatore Sotgia, Alessandro G Fois, Panagiotis Paliogiannis, Ciriaco Carru, Arduino A Mangoni, Angelo Zinellu

Open access · goldAbstract readReview
In one paragraph

Review in Molecules (Basel, Switzerland), 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.

0numbers the graph read from it
0cells of the map it votes in
10citing papers in PubMed
1.0field-weighted citation impact, top 23% 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

10 citing papers in PubMed, 12 citations in OpenAlex.

  1. Review
  2. Review
  3. Article
  4. Article
  5. Article
  6. Article
  7. Article
  8. The Leucocyte Telomere Length,Current issues in molecular biology · 2022
    Article
  9. Article
  10. 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

6 authors at 2 institutions in 2 countries.

Salvatore SotgiaDepartment of Biomedical Sciences, School of Medicine, University of Sassari, 07100 Sassari, Italy.ORCID 0000-0002-3717-3437
Alessandro G FoisDepartment of Clinical and Experimental Medicine, School of Medicine, University of Sassari, 07100 Sassari, Italy.ORCID 0000-0001-5330-572X
Panagiotis PaliogiannisDepartment of Biomedical Sciences, School of Medicine, University of Sassari, 07100 Sassari, Italy.ORCID 0000-0001-5485-6056
Ciriaco CarruDepartment of Biomedical Sciences, School of Medicine, University of Sassari, 07100 Sassari, Italy.ORCID 0000-0002-6985-4907
Arduino A MangoniDiscipline of Clinical Pharmacology, College of Medicine and Public Health, Flinders University and Flinders Medical Centre, Adelaide, SA 5042, Australia.ORCID 0000-0001-8699-1412
Angelo ZinelluDepartment of Biomedical Sciences, School of Medicine, University of Sassari, 07100 Sassari, Italy.ORCID 0000-0002-8396-0968
University of Sassari · ITFlinders University · AU

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

This study aimed to review and critically appraise the current methodological issues undermining the suitability of the measurement of serum/plasma glutathione, both in the total and reduced form, as a measure of systemic oxidative stress in chronic obstructive pulmonary disease (COPD). Fourteen relevant articles published between 2001 and 2020, in 2003 subjects, 1111 COPD patients, and 892 controls, were reviewed. Nine studies, in 902 COPD patients and 660 controls, measured glutathione (GSH) in the reduced form (rGSH), while the remaining five, in 209 COPD patients and 232 controls, measured total GSH (tGSH). In the control group, tGSH ranged between 5.7 and 7.5 µmol/L, whilst in COPD patients, it ranged between 4.5 and 7.4 µmol/L. The mean tGSH was 6.6 ± 0.9 µmol/L in controls and 5.9 ± 1.4 µmol/L in patients. The concentrations of rGSH in the control group showed a wide range, between 0.47 and 415 µmol/L, and a mean value of 71.9 ± 143.1 µmol/L. Similarly, the concentrations of rGSH in COPD patients ranged between 0.49 and 279 µmol/L, with a mean value of 49.9 ± 95.9 µmol/L. Pooled tGSH concentrations were not significantly different between patients and controls (standard mean difference (SMD) = -1.92, 95% CI -1582 to 0.0219;

Indexed as

Blood Chemical AnalysisCase-Control StudiesGlutathioneHumansOxidation-ReductionOxidative StressPlasmaPulmonary Disease, Chronic ObstructiveReference ValuesTranslational Research, BiomedicalGlutathioneCOPDglutathionelow-molecular-weight thiolsredox statesystemic oxidation

Identifiers

PMID33809301
PMCPMC8000559
OpenAlexW3136949899

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.