Cited by 509Skin Protection and Agingmelanin and skin pigmentationDermatologic Treatments and Research

Solar UV irradiation and dermal photoaging

Wlaschek, Meinhard, Tantcheva-Poór, Iliana, Naderi, Lale, Ma, Wenjian, Schneider, Lars Alexander, Razi-Wolf, Ziba, Schüller, Jutta, Scharffetter-Kochanek, Karin·2001·Journal of Photochemistry and Photobiology B Biology

Abstract

The skin is increasingly exposed to ambient UV-irradiation thus increasing risks for photooxidative damage with long-term detrimental effects like photoaging, characterized by wrinkles, loss of skin tone and resilience. Photoaged skin displays alterations in the cellular component and extracellular matrix with accumulation of disorganized elastin and its microfibrillar component fibrillin in the deep dermis and a severe loss of interstitial collagens, the major structural proteins of the dermal connective tissue. The unifying pathogenic agents for these changes are UV-generated reactive oxygen species (ROS) which deplete and damage non-enzymatic and enzymatic antioxidant defense systems of the skin. As well as causing permanent genetic changes, ROS activate cytoplasmic signal transduction pathways in resident fibroblasts that are related to growth, differentiation, senescence and connective tissue degradation. This review focuses on the role of UV-induced ROS in the photodamage of the skin resulting in clinical and biochemical characteristics of photoaging. In addition, the relationship of photoaging to intrinsic aging of the skin will be briefly discussed. A decrease in the overall ROS load by efficient sunscreens or other protective agents may represent promising strategies to prevent or at least minimize ROS-induced photoaging.

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Crossref · 10.1016/s1011-1344(01)00201-9

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Authors
Wlaschek, M., Tantcheva-Poór, I., Naderi, L., Ma, W., Schneider, L. A., Razi-Wolf, Z., Schüller, J., & Scharffetter-Kochanek, K.
Affiliations
University of Cologne (DE)
Venue
Journal of Photochemistry and Photobiology B Biology
Publisher
Elsevier BV
Published
2001-10
Volume
63
Issue
1-3
Pages
41-51
ISSN
1011-1344 (ISSN-L)
OpenAlex
W2072035390
Cited by
509
References
53
Citations by year
2026: 13 · 2025: 23 · 2024: 18 · 2023: 22 · 2022: 22 · 2021: 42 · 2020: 35 · 2019: 30 · 2018: 23 · 2017: 32 · 2016: 29 · 2015: 28 · 2014: 20 · 2013: 26 · 2012: 13
FWCI
8.66
Type
journal article
Language
en
Open access
closed
Locations
  • Journal of Photochemistry and Photobiology B Biology (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Health Sciences › Medicine › Dermatology › Skin Protection and Aging
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cell Biology › melanin and skin pigmentation
  • Health Sciences › Medicine › Dermatology › Dermatologic Treatments and Research
Keywords
reactive oxygen species, photooxidative damage, dermal fibroblasts, extracellular matrix, collagen loss, elastin, fibrillin, antioxidant defense, intrinsic skin aging, signal transduction
MeSH terms
Aging, Animals, Humans, Models, Biological, Ultraviolet Rays, Skin Aging, Reactive Oxygen Species, Solar Activity

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