Journal
AGEING RESEARCH REVIEWS
Volume 16, Issue -, Pages 1-11Publisher
ELSEVIER IRELAND LTD
DOI: 10.1016/j.arr.2014.03.006
Keywords
Skin aging; Antioxidants; Free radicals; Pathways; Safety doses
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The generation of ROS underlies all solar infrared-affected therapeutic and pathological cutaneous effects. The signaling pathway NF-kB is responsible for the induced therapeutic effects, while the AP-1 for the pathological effects. The different signaling pathways of infrared-induced ROS and infrared-induced heat shock ROS were shown to act independently multiplying the influence on each other by increasing the doses of irradiation and/or increasing the temperature. The molecular action mechanisms of solar infrared radiation and heat on human skin are summarized and discussed in detail in the present paper. The critical doses are determined. Protection strategies against infrared-induced skin damage are proposed. (C) 2014 Elsevier B.V. All rights reserved.
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