Evidence map›Paper›PMID 32478759›Full record

ArticleJournal of visualized experiments : JoVE2020

Evaluation of Oxidative Stress in Biological Samples Using the Thiobarbituric Acid Reactive Substances Assay.

Jesús Aguilar Diaz De Leon, Chad R Borges

Open access · greenAbstract readVideo-Audio Media
In one paragraph

Article in Journal of visualized experiments : JoVE, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 245 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
245citing papers in PubMed, 1 pooled it
15.1field-weighted citation impact, top 1% 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

245 citing papers in PubMed, 1 synthesis or guideline pooled it, 405 citations in OpenAlex.

  1. Pooled it
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  18. Ameliorative Effects ofFoods (Basel, Switzerland) · 2026
    Article
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185 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

2 authors at 1 institution in 1 country.

Jesús Aguilar Diaz De LeonSchool of Molecular Sciences, The Biodesign Institute - Center for Personalized Diagnostics, Arizona State University.
Chad R BorgesChad.Borges@asu.edu.
Arizona State University · US

Funding

Validation and Advanced Development of Albumin Oxidizability as a Marker of Plasma/Serum IntegrityR33CA217702 · NCI · ARIZONA STATE UNIVERSITY-TEMPE CAMPUS · PI BORGES, CHAD R · 2018 to 2020
$1.1M
NCI NIH HHS R33 CA217702
6 · The paper itself

Abstract

Despite its limited analytical specificity and ruggedness, the thiobarbituric acid reactive substances (TBARS) assay has been widely used as a generic metric of lipid peroxidation in biological fluids. It is often considered a good indicator of the levels of oxidative stress within a biological sample, provided that the sample has been properly handled and stored. The assay involves the reaction of lipid peroxidation products, primarily malondialdehyde (MDA), with thiobarbituric acid (TBA), which leads to the formation of MDA-TBA2 adducts called TBARS. TBARS yields a red-pink color that can be measured spectrophotometrically at 532 nm. The TBARS assay is performed under acidic conditions (pH = 4) and at 95 °C. Pure MDA is unstable, but these conditions allow the release of MDA from MDA bis(dimethyl acetal), which is used as the analytical standard in this method. The TBARS assay is a straightforward method that can be completed in about 2 h. Preparation of assay reagents are described in detail here. Budget-conscious researchers can use these reagents for multiple experiments at a low cost rather than buying an expensive TBARS assay kit that only permits construction of a single standard curve (and thus can only be used for one experiment). The applicability of this TBARS assay is shown in human serum, low density lipoproteins, and cell lysates. The assay is consistent and reproducible, and limits of detection of 1.1 μM can be reached. Recommendations for the use and interpretation of the spectrophotometric TBARS assay are provided.

Indexed as

Oxidative StressBiological AssayColorimetryHep G2 CellsHumansLimit of DetectionLipid PeroxidationLipoproteins, LDLMalondialdehydeOxidation-ReductionReference StandardsReproducibility of ResultsThiobarbituric Acid Reactive SubstancesLipoproteins, LDLMalondialdehydeThiobarbituric Acid Reactive Substances

Identifiers

PMID32478759
PMCPMC9617585
OpenAlexW3024122904

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.