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Biological consequences of cyclobutane pyrimidine dimers

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Author: Vink, A.A. · Roza, L.
Type:article
Date:2001
Institution: Centraal Instituut voor Voedingsonderzoek TNO
Source:Journal of Photochemistry and Photobiology B : Biology, 2-3, 65, 101-104
Identifier: 72513
doi: doi:10.1016/S1011-1344(01)00245-7
Keywords: Biology · Animals · DNA Damage · Erythema · Humans · Immune Tolerance · Pyrimidine Dimers · Skin · Skin Neoplasms · Ultraviolet Rays

Abstract

In the skin many molecules may absorb ultraviolet (UV) radiation upon exposure. In particular, cellular DNA strongly absorbs shorter wavelength solar UV radiation, resulting in various types of DNA damage. Among the DNA photoproducts produced the cyclobutane pyrimidine dimers (CPDs) are predominant. Although these lesions are efficiently repaired in the skin, this CPD formation results in various acute effects (erythema, inflammatory responses), transient effects (suppression of immune function), and chronic effects (mutation induction and skin cancer). The relationships between the presence of CPD in skin cells and the subsequent biological consequences are the subject of the present review. © 2001 Elsevier Science B.V. All rights reserved. Chemicals/CAS: Pyrimidine Dimers