Evidence map›Paper›PMID 36677554›Full record

ArticleMolecules (Basel, Switzerland)2023

Enhanced-Precision Measurement of Glutathionyl Hemoglobin by MALDI-ToF MS.

Federico Maria Rubino, Sara Ottolenghi, Andrea Brizzolari, Claudio Maioli, Michele Samaja, Rita Paroni

Abstract read
In one paragraph

Article in Molecules (Basel, Switzerland), 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.

0numbers the graph read from it
0cells of the map it votes in
6citing papers in PubMed
–field-weighted citation impact
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

6 citing papers in PubMed.

  1. Article
  2. Article
  3. Article
  4. Redox Potential (EMolecules (Basel, Switzerland) · 2025
    Article
  5. Article
  6. 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.

Federico Maria RubinoLaboratory for Analytical Toxicology and Metabonomics, Department of Health Sciences, Università degli Studi di Milano, v. A. di Rudinì 8, 20142 Milan, Italy.ORCID 0000-0001-9620-1883
Sara OttolenghiDepartment of Health Sciences, Università degli Studi di Milano, 20146 Milan, Italy.ORCID 0000-0003-2988-0593
Andrea BrizzolariDAN Europe Research Division, 64026 Roseto degli Abruzzi, Italy.
Claudio MaioliDepartment of Health Sciences, Università degli Studi di Milano, 20146 Milan, Italy.ORCID 0000-0001-5710-2399
Michele SamajaDepartment of Health Sciences, Università degli Studi di Milano, 20146 Milan, Italy.ORCID 0000-0002-0705-340X
Rita ParoniLaboratory for Medical Mass Spectrometry, Department of Health Sciences, Università degli Studi di Milano, 20146 Milan, Italy.ORCID 0000-0002-3186-8860

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Glutathionyl-hemoglobin (HbSSG) is used as a human biomarker to pinpoint systemic oxidative stress caused by various pathological conditions, noxious lifestyles, and exposure to drugs and environmental or workplace toxicants. Measurement by MALDI mass spectrometry is most frequently used, however, the method suffers from excessive uncontrolled variability. This article describes the improvement of a MALDI-ToF mass spectrometry method for HbSSG measurement through enhanced precision, based on strict control of sample preparation steps and spreadsheet-based data analysis. This improved method displays enhanced precision in the analysis of several hundred samples deriving from studies in different classes of healthy and diseased human subjects. Levels span from 0.5% (lower limit of detection) up to 30%, measured with a precision (as SE%) < 0.5%. We optimized this global procedure to improve data quality and to enable the Operator to work with a reduced physical and psychological strain. Application of this method, for which full instruction and the data analysis spreadsheet are supplied, can encourage the exploitation of HbSSG to study human oxidative stress in a variety of pathological and living conditions and to rationally test the efficacy of antioxidant measures and treatments in the frame of health promotion.

Indexed as

GlutathioneHemoglobinsBiomarkersHumansSpectrometry, Mass, Matrix-Assisted Laser Desorption-IonizationBiomarkersGlutathioneglutathionyl hemoglobinHemoglobinsglutathionehemoglobinMALDI-ToFmethod optimizationoxidative stressred blood cellsspreadsheet

Identifiers

PMID36677554
PMCPMC9863390

What OpenQuestion holds

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Registered trials

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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.