Evidence map›Paper›PMID 26270818›Full record

ArticlePloS one2015

Vitamin C Compound Mixtures Prevent Ozone-Induced Oxidative Damage in Human Keratinocytes as Initial Assessment of Pollution Protection.

Giuseppe Valacchi, Claudia Sticozzi, Giuseppe Belmonte, Franco Cervellati, Julien Demaude, Nannan Chen, Yevgeniy Krol, Christian Oresajo

Open access · goldAbstract read
In one paragraph

Article in PloS one, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 32 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
32citing papers in PubMed, 1 pooled it
9.1field-weighted citation impact, top 2% 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

32 citing papers in PubMed, 1 synthesis or guideline pooled it, 91 citations in OpenAlex.

  1. Pooled it
  2. Air Pollution and Skin Diseases.Annals of dermatology · 2025
    Review
  3. Review
  4. Vγ9Vδ2 T cells expanded with vitamin C combined with HMBPPFrontiers in cellular and infection microbiology · 2025
    Article
  5. Review
  6. Cutaneous Redox Senescence.Biomedicines · 2024
    Review
  7. Review
  8. Air Pollution: Possible Interaction between the Immune and Nervous System?International journal of environmental research and public health · 2022
    Review
  9. Ultraviolet Light Protection: Is It Really Enough?Antioxidants (Basel, Switzerland) · 2022
    Review
  10. Review
  11. Inflammasome involvement in CS-induced damage in HaCaT keratinocytes.In vitro cellular & developmental biology. Animal · 2022
    Article
  12. Modeling of Temporal Exposure to the Ambient Environment and Eczema Severity.JID innovations : skin science from molecules to population health · 2022
    Article
  13. Article
  14. Article
  15. Bench approaches to study the detrimental cutaneous impact of tropospheric ozone.Journal of exposure science & environmental epidemiology · 2021
    Review
  16. Review
  17. Article
  18. Article
  19. Medaka (International journal of molecular sciences · 2020
    Article
  20. Article
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

8 authors at 4 institutions in 4 countries.

Giuseppe ValacchiDepartment of Life Science and Biotechnologies, University of Ferrara, Via L. Borsari, Ferrara, Italy; Department of Food and Function, Kyung Hee University, Seoul, South Korea.
Claudia SticozziDepartment of Life Science and Biotechnologies, University of Ferrara, Via L. Borsari, Ferrara, Italy.
Giuseppe BelmonteDepartment of Life Science and Biotechnologies, University of Ferrara, Via L. Borsari, Ferrara, Italy.
Franco CervellatiDepartment of Life Science and Biotechnologies, University of Ferrara, Via L. Borsari, Ferrara, Italy.
Julien DemaudeL'Oreal Research & Innovation, Paris, France.
Nannan ChenL'Oreal Research and Innovation, Clark, New Jersey, United States of America.
Yevgeniy KrolSkinceuticals, Inc., New York, New York, United States of America.
Christian OresajoL'Oreal Research and Innovation, Clark, New Jersey, United States of America.
University of Ferrara · ITL'Oreal (United States) · USL'Oréal (France) · FRPsychogenics (United States) · US

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

introductionOne of the main functions of cutaneous tissues is to protect our body from the outdoor insults. Ozone (O3) is among the most toxic stressors to which we are continuously exposed and because of its critical location, the skin is one of the most susceptible tissues to the oxidative damaging effect of O3. O3 is not able to penetrate the skin, and although it is not a radical per se, the damage is mainly a consequence of its ability to induce oxidative stress via the formation of lipid peroxidation products. AIM OF STUDY: In this study we investigated the protective effect of defined "antioxidant" mixtures against O3 induced oxidative stress damage in human keratinocytes and understand their underlying mechanism of action.

resultsResults showed that the mixtures tested were able to protect human keratinocytes from O3-induced cytotoxicity, inhibition of cellular proliferation, decrease the formation of HNE protein adducts, ROS, and carbonyls levels. Furthermore, we have observed the decreased activation of the redox sensitive transcription factor NF-kB, which is involved in transcribing pro-inflammatory cytokines and therefore constitutes one of the main players associated with O3 induced skin inflammation. Cells exposed to O3 demonstrated a dose dependent increase in p65 subunit nuclear expression as a marker of NF-kB activation, while pre-treatment with the mixtures abolished NF-kB nuclear translocation. In addition, a significant activation of Nrf2 in keratinocytes treated with the mixtures was also observed.

conclusionOverall this study was able to demonstrate a protective effect of the tested compounds versus O3-induced cell damage in human keratinocytes. Pre-treatment with the tested compounds significantly reduced the oxidative damage induced by O3 exposure and this protective effect was correlated to the abolishment of NF-kB nuclear translocation, as well as activation of Nrf2 nuclear translocation activating the downstream defence enzymes involved in cellular detoxification process.

Indexed as

AntioxidantsAscorbic AcidCell ProliferationCell SurvivalGene ExpressionHumansInterleukin-8KeratinocytesLactate DehydrogenasesNF-E2-Related Factor 2NF-kappa BOxidation-ReductionOxidative StressOzoneReactive Oxygen SpeciesSignal TransductionAntioxidantsAscorbic AcidInterleukin-8Lactate DehydrogenasesNF-E2-Related Factor 2NF-kappa BOzoneReactive Oxygen Species

Identifiers

PMID26270818
PMCPMC4536008
OpenAlexW1125089188

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.