Evidence map›Paper›PMID 29852199›Full record

ArticleBiochimica et biophysica acta. General subjects2018

Selenium unmasks protective iron armor: A possible defense against cutaneous inflammation and cancer.

Jack L Arbiser, Michael Y Bonner, Nicole Ward, Justin Elsey, Shikha Rao

Abstract read
In one paragraph

Article in Biochimica et biophysica acta. General subjects, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 30 papers.

0numbers the graph read from it
0cells of the map it votes in
30citing 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

30 citing papers in PubMed.

  1. Article
  2. Review
  3. Article
  4. Programmed cell death of keratinocytes: an active driver in psoriasis.Apoptosis : an international journal on programmed cell death · 2026
    Review
  5. Emerging Roles of Ferroptosis in Skin Pathophysiology.The Journal of investigative dermatology · 2025
    Review
  6. Review
  7. Article
  8. Article
  9. Review
  10. Article
  11. Article
  12. Article
  13. Review
  14. Article
  15. Article
  16. Review
  17. Review
  18. Review
  19. Potential anti-tumor effects ofFrontiers in immunology · 2023
    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

5 authors.

Jack L ArbiserDepartment of Dermatology, Emory University School of Medicine, Atlanta, GA 30322, USA; Veterans Affairs Medical Center, Decatur, GA 30322, USA. Electronic address: jarbise@emory.edu.
Michael Y BonnerDepartment of Medical Biochemistry and Biophysics, Division of Medical Inflammation Research, Karolinska Institutet, Solna 171 65, Sweden.
Nicole WardCase Western Reserve University, Cleveland, OH0 44106, USA.
Justin ElseyDepartment of Dermatology, Emory University School of Medicine, Atlanta, GA 30322, USA.
Shikha RaoDepartment of Dermatology, Emory University School of Medicine, Atlanta, GA 30322, USA.

Funding

Cutaneous Hemangiomas and Signal TransductionR01AR047901 · NIAMS · EMORY UNIVERSITY · PI ARBISER, JACK L · 2001 to 2018
$4.3M
Redox modulation - Impact on Tumor Growth and Therapeutic Anticancer EfficacyF31CA224806 · NCI · KAROLINSKA INSTITUTE · PI BONNER, MICHAEL YI · 2017 to 2022
$147k
NCI NIH HHS F31 CA224806NIAMS NIH HHS R01 AR047901
6 · The paper itself

Abstract

backgroundA link between selenium deficiency and inflammatory skin diseases have been noted by many, but this link is still not well understood. We have previously studied the efficacy of ceramide analogs, based on the fire ant venom Solenopsin A, against our psoriasis animal model. Treatment of animals with solenopsin analogs resulted in significantly improved skin as well as in a coordinate downregulation of selenoproteins, namely Glutathione Peroxidase 4 (GPX4). We thus hypothesize that ferroptosis may be a physiologic process that may protect the skin from both inflammatory and neoplastic processes.

methodsWe analyze and compare gene expression profiles in the GEO database from clinical skin samples taken from healthy patients and psoriasis patients (both involved and noninvolved skin lesions). We validated the gene expression results against a second, independent, cohort from the GEO database.

resultsSignificant reduction in gene expression of GPX4, elevated expression of Nrf2 downstream targets, and expression profiles mirroring erastin-inhibition of Cystine/Glutamate Antiporter-System X

conclusionsWe present data that may indicate selenoproteins, particularly GPX4, in resolving inflammation and skin cancer, including the novel hypothesis that the human organism may downregulate GPX4 and reactive oxygen (REDOX) regulating proteins in the skin as a way of resolving psoriasis and nonmelanoma skin cancer through increased reactive oxygen species. Further studies are needed to investigate ferroptosis as a possible physiologic mechanism for eliminating inflammatory and malignant tissues. GENERAL SIGNIFICANCE: This study provides a fresh framework for understanding the seemingly contradictory effects of selenium supplementation. In addition, it offers a novel explanation of how physiologic upregulation of ferroptosis and downregulation of selenoprotein synthesis may mediate resolution of inflammation and carcinogenesis. This is of therapeutic significance.

Identifiers

PMID29852199
PMCPMC6934939

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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.