Cited by 32Skin Protection and AgingPhytochemicals and Antioxidant ActivitiesEdible Oils Quality and Analysis

Protective Effect of Different Antioxidant Agents in UVB-Irradiated Keratinocytes

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Salucci, Sara, Burattini, Sabrina, Buontempo, Francesca, Martelli, Alberto Maria, Falcieri, Elisabetta, Battistelli, Michela·2017·European Journal of Histochemistry

Abstract

Skin cells can respond to UVB-induced damage either by tolerating it, or restoring it through antioxidant activation and DNA repair mechanisms or, ultimately, undergoing programmed cell death, when damage is massive. Nutritional factors, in particular, food antioxidants, have attracted much interest because of their potential use in new preventive, protective, and therapeutic strategies for chronic degenerative diseases, including skin inflammation and cancer. Some polyphenols, present in virgin olive oil, well tolerated by organism after oral administration, show a variety of pharmacological and clinical benefits such as anti-oxidant, anti-cancer, anti-inflammatory, and neuro-protective activities. Here, the protective effects of antioxidant compounds against UV-induced apoptosis have been described in HaCat cell line. Human keratinocytes were pre-treated with antioxidants before UVB exposure and their effects have been evaluated by means of ultrastructural analyses. After UVB radiation, a known cell death trigger, typical apoptotic features, absent in control condition and in antioxidant alone-treated cells, appear. An evident numerical decrease of ultrastructural apoptotic patterns and TUNEL positive nuclei can be observed when natural antioxidants were supplied before cell death induction. These data have been confirmed by molecular investigation of caspase activity. In conclusion, this paper highlights antioxidant compound ability to prevent apoptotic cell death in human keratinocytes exposed to UVB, suggesting, for these molecules, a potential role in preventing skin damage.

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  • Polyphenols contribute to prevention of muscle atrophy.

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  1. [18]Sestili P Barbieri E Martinelli C Battistelli M Guescini M Vallorani L Creatine supplementation prevents the inhibition of myogenic differentiation in oxidatively injured C2C12 murine myoblasts. Mol Nutr Food Res 2009; 53: 1187- 204. 19653222

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Authors
Salucci, S., Burattini, S., Buontempo, F., Martelli, A. M., Falcieri, E., & Battistelli, M.
Affiliations
  • University of Urbino (IT)
  • University of Bologna (IT)
Corresponding author
  • Salucci, Sara
  • Burattini, Sabrina
  • Buontempo, Francesca
  • Martelli, Alberto Maria
  • Falcieri, Elisabetta
  • Battistelli, Michela
Venue
European Journal of Histochemistry
Published
2017-09-18
Volume
61
Issue
3
Pages
2784-2784
ISSN
  • 1121-760X (ISSN-L)
  • 2038-8306
OpenAlex
W2755502476
Cited by
32
References
41
Citations by year
2026: 2 · 2025: 2 · 2024: 3 · 2022: 5 · 2021: 6 · 2020: 3 · 2019: 4 · 2018: 7
FWCI
4.36
Type
journal article
Language
en
Open access
Locations
  • European Journal of Histochemistry (publishedVersion, cc-by-nc)
  • PubMed Central (publishedVersion, cc-by-nc)
  • PubMed (publishedVersion)
  • Archivio istituzionale della ricerca (Alma Mater Studiorum Università di Bologna) (submittedVersion, cc-by-nc)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion)
  • CINECA IRIS Institutional Research information system (University of Urbino) (submittedVersion, cc-by-nc-nd)
Funders
Università degli Studi di Urbino Carlo Bo
Topics
  • Health Sciences › Medicine › Dermatology › Skin Protection and Aging
  • Health Sciences › Medicine › Biochemistry › Phytochemicals and Antioxidant Activities
  • Physical Sciences › Chemistry › Organic Chemistry › Edible Oils Quality and Analysis
Keywords
UV-B radiation, keratinocytes, antioxidants, apoptosis, HaCaT keratinocytes, caspase activity, TUNEL, skin damage prevention, DNA repair, programmed cell death
MeSH terms
Antioxidants, Cells, Cultured, Enzyme Activation, Humans, Microscopy, Electron, Scanning, Ultraviolet Rays, Blotting, Western, Keratinocytes, Apoptosis, Caspase 1

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