Evidence map›Paper›PMID 31849463›Full record

ArticleInternational journal of nanomedicine2019

Skin Toxicity Assessment of Silver Nanoparticles in a 3D Epidermal Model Compared to 2D Keratinocytes.

Liang Chen, Meiyu Wu, Shan Jiang, Yanyun Zhang, Runzhi Li, Yongbo Lu, Lin Liu, Gang Wu, Ying Liu, Liming Xie and 1 more

Open access · goldAbstract readComparative Study
In one paragraph

Article in International journal of nanomedicine, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 37 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
37citing papers in PubMed, 1 pooled it
2.9field-weighted citation impact, top 8% 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

37 citing papers in PubMed, 1 synthesis or guideline pooled it, 79 citations in OpenAlex.

  1. Pooled it
  2. Review
  3. Article
  4. Review
  5. Review
  6. Article
  7. Article
  8. Review
  9. Article
  10. Cutaneous Evaluation of FeInternational journal of nanomedicine · 2025
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  12. Multifunctional Ag-Poly(Polymers · 2024
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  13. Article
  14. Nail Lacquer ContainingAntibiotics (Basel, Switzerland) · 2024
    Article
  15. Article
  16. Article
  17. Recreating Human Skin In Vitro: Should the Microbiota Be Taken into Account?International journal of molecular sciences · 2024
    Review
  18. Article
  19. Review
  20. 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

11 authors at 3 institutions in 1 country.

Liang Chen *NCNST-NIFDC Joint Laboratory for Measurement and Evaluation of Nanomaterials in Medical Applications, National Institutes for Food and Drug Control, Beijing 102629, People's Republic of China.
Meiyu Wu *CAS Key Laboratory of Standardization and Measurement for Nanotechnology, NCNST-NIFDC Joint Laboratory for Measurement and Evaluation of Nanomaterials in Medical Applications, Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing 100190, People's Republic of China.
Shan Jiang *NCNST-NIFDC Joint Laboratory for Measurement and Evaluation of Nanomaterials in Medical Applications, National Institutes for Food and Drug Control, Beijing 102629, People's Republic of China.
Yanyun ZhangGuangdong Biocell Biotechnology Co. Ltd, Dongguan, 523808, Guangdong, People's Republic of China.
Runzhi LiGuangdong Biocell Biotechnology Co. Ltd, Dongguan, 523808, Guangdong, People's Republic of China.
Yongbo LuGuangdong Biocell Biotechnology Co. Ltd, Dongguan, 523808, Guangdong, People's Republic of China.
Lin LiuCAS Key Laboratory of Standardization and Measurement for Nanotechnology, NCNST-NIFDC Joint Laboratory for Measurement and Evaluation of Nanomaterials in Medical Applications, Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing 100190, People's Republic of China.ORCID 0000-0001-5301-9504
Gang WuDepartment of Preclinical Medicine and Forensic, Baotou Medical College, Baotou 014040, People's Republic of China.ORCID 0000-0002-5699-8370
Ying LiuCAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, NCNST-NIFDC Joint Laboratory for Measurement and Evaluation of Nanomaterials in Medical Applications, Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing 100190, People's Republic of China.ORCID 0000-0001-6756-0617
Liming XieCAS Key Laboratory of Standardization and Measurement for Nanotechnology, NCNST-NIFDC Joint Laboratory for Measurement and Evaluation of Nanomaterials in Medical Applications, Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing 100190, People's Republic of China.
Liming XuNCNST-NIFDC Joint Laboratory for Measurement and Evaluation of Nanomaterials in Medical Applications, National Institutes for Food and Drug Control, Beijing 102629, People's Republic of China.
National Institutes for Food and Drug Control · CNNational Center for Nanoscience and Technology · CNBaotou Medical College · CN

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

introductionIncreased use of silver nanoparticles (AgNPs) has raised concerns that AgNPs may induce toxic effects. In vitro studies of cell monolayers and in vivo studies have produced conflicting results. The inconsistency of these results has been mainly due to limitations of two-dimensional (2D) monolayer cell systems.

methodsA three-dimensional (3D) epidermal model called EpiKutis

resultsThe results demonstrated that cell viability was greater than 80% and lactate dehydrogenase (LDH) release did not increase even at the highest dose of AgNPs in EpiKutis. In contrast, treatment of 2D keratinocytes with AgNPs resulted in dose-dependent decrease in cell viability from 63% to 11%, and a dose-dependent increase in LDH release from 8% to 16%. Cytotoxicity of AgNPs in 2D keratinocytes was related to oxidative damage and inflammation, as evidenced by increased levels of reactive oxygen species (ROS), malondialdehyde (MDA), IL-1α, IL-6, and IL-8. In addition, levels of superoxide dismutase (SOD) were decreased. EpiKutis treated with AgNPs did not exhibit increased oxidative damage or inflammation, which may have been due to the barrier properties of the 3D structure, resulting in reduced penetration of AgNPs. At equivalent per cell doses, total silver penetration into EpiKutis was 0.9 ± 0.1%, and total silver penetration into 2D keratinocytes was 8.8 ± 0.6% detected by ICP-MS. The penetration and distribution of AgNPs in 2D keratinocytes were confirmed by the TEM-EDS analysis, which was not found in the 3D EpiKutis. These results showed that AgNPs penetrated EpiKutis to a lesser degree than they penetrated 2D keratinocytes, which suggested that EpiKutis exhibited significant barrier function. DISCUSSION: The results of this study showed that AgNP toxicity should be evaluated using 3D epidermal models, which may provide better estimates of in vivo conditions than 2D models. The EpiKutis model may be an ideal model for assessment of nanotoxicity.

Indexed as

Cell Culture TechniquesCell SurvivalEpidermisHumansKeratinocytesL-Lactate DehydrogenaseMaleMalondialdehydeMetal NanoparticlesOxidative StressReactive Oxygen SpeciesSilverSkinSuperoxide DismutaseToxicity TestsL-Lactate DehydrogenaseMalondialdehydeReactive Oxygen SpeciesSilverSuperoxide Dismutase3D epidermal modelAgNPscytotoxicityEpiKutis®inflammatory responsekeratinocytesoxidative stresssilver nanoparticles

Identifiers

PMID31849463
PMCPMC6910103
OpenAlexW2992287564

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.