Cited by 64Carcinogens and Genotoxicity AssessmentToxic Organic Pollutants ImpactSkin Protection and Aging

UVB-induced apoptosis and DNA damaging potential of chrysene via reactive oxygen species in human keratinocytes

Ali, Daoud, Verma, A., Mujtaba, F., Dwivedi, A., Hans, R.K., Ray, R.S.·2011·Toxicology Letters

Abstract

Chrysene is one of the basic polycyclic aromatic hydrocarbon (PAH) which is toxic environmental pollutant and consistently exposed to sunlight. However, little information is available on its photogenotoxicity. The objective of the present study was to analyze the effects of chrysene, under environmental intensity of UVB (0.6mW/cm(2)) in human skin epidermal cell line (HaCaT). Kinetic of chrysene showed that the highest intracellular uptake of chrysene occurred after 24h of incubation. The intracellular reactive oxygen species (ROS) was increased in a concentration dependent manner in chrysene treated cells under UVB irradiation. It was observed that UVB-irradiated chrysene induced apoptosis through activation of caspases-3 and phosphatidylserine translocation. Glutathione reduced (GSH) and catalase activity were decreased while apoptosis and DNA damage were induced significantly (P>0.01) as concentration of chrysene increased. Thus our results suggest that chrysene may be phototoxic as well as photogenotoxic under UVB irradiation.

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Crossref · 10.1016/j.toxlet.2011.04.033

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Authors
Ali, D., Verma, A., Mujtaba, F., Dwivedi, A., Hans, R. K., & Ray, R. S.
Affiliations
Indian Institute of Toxicology Research (IN)
Corresponding author
Ray, R.S.
Venue
Toxicology Letters
Publisher
Elsevier BV
Published
2011-07
Volume
204
Issue
2-3
Pages
199-207
ISSN
0378-4274 (ISSN-L)
OpenAlex
W2061625453
Cited by
64
References
2
Citations by year
2025: 5 · 2024: 4 · 2023: 3 · 2022: 2 · 2021: 5 · 2020: 6 · 2019: 6 · 2018: 3 · 2017: 4 · 2016: 8 · 2015: 3 · 2014: 8 · 2013: 4 · 2012: 2
FWCI
1.62
Type
journal article
Language
en
Open access
closed
Locations
  • Toxicology Letters (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • IITR
  • Council of Scientific and Industrial Research (CSIR), New Delhi, India
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cancer Research › Carcinogens and Genotoxicity Assessment
  • Physical Sciences › Environmental Science › Health, Toxicology and Mutagenesis › Toxic Organic Pollutants Impact
  • Health Sciences › Medicine › Dermatology › Skin Protection and Aging
Keywords
chrysene, UVB irradiation, phototoxicity, photogenotoxicity, reactive oxygen species, oxidative stress, apoptosis, caspase-3, phosphatidylserine translocation, DNA damage, polycyclic aromatic hydrocarbons, HaCaT keratinocytes, glutathione, catalase, cellular uptake
MeSH terms
Catalase, Cell Survival, Cells, Cultured, Chrysenes, DNA Damage, Glutathione, Humans, Phosphatidylserines, Ultraviolet Rays, Keratinocytes, Apoptosis, Annexin A5, Reactive Oxygen Species, Caspase 3

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