Results 191 to 200 of about 12,816 (241)
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Cutaneous photodamage in schizophrenia patients
Photodermatology, Photoimmunology & Photomedicine, 2008Background: Schizophrenia patients frequently engage in unhealthy lifestyle behaviors. The adverse effects of sun exposure on the human skin are well studied but only sparse data in this area have been focused on schizophrenia patients.Aim: To assess the role of sun exposure and its effects on cutaneous photoaging in schizophrenia patients compared ...
Yonit, Wohl +3 more
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Early Events of DNA Photodamage
Annual Review of Physical Chemistry, 2015Ultraviolet (UV) radiation is a leading external hazard to the integrity of DNA. Exposure to UV radiation triggers a cascade of chemical reactions, and many molecular products (photolesions) have been isolated that are potentially dangerous for the cellular system.
Wolfgang J, Schreier +2 more
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Topical isotretinoin for photodamaged skin
Journal of the American Academy of Dermatology, 1992Photodamaged skin is characterized clinically by coarseness, telangiectasia, wrinkling, discrete hyperpigmented and hypopigmented macules, atrophy, and ultimately the development of neoplasms. Studies on the UVB-irradiated hairless mouse indicate that topical application of tretinoin or isotretinoin induces structural modifications at the dermal level.
E, Sendagorta +2 more
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Photodamage determination of human hair
Journal of Photochemistry and Photobiology B: Biology, 2012Sunlight on human hair causes photo-degradation. This results in bleaching due to melanin oxidation through free radicals, and induces keratin impairment. Protein degradation, tryptophan degradation, lipidic peroxidation and electron paramagnetic resonance can be used to evaluate proteic and lipidic photodecomposition and free radical formation in hair
Estibalitz, Fernández +5 more
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Retinoid effects on photodamaged skin
1990Publisher Summary Investigations into the effects of solar radiation on skin multiplied in for a number of reasons. Among these are the identification of several sun-sensitive diseases and drug-related phototoxic reactions. In experiments to develop an animal model for photoaging, significant repair has been observed that could occur even in severely
G F, Bryce, S S, Shapiro
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Laser Treatment of Photodamaged Skin
Facial Plastic Surgery, 2005The market for skin rejuvenation has grown vastly during the last decade. Many new laser technologies are now available to the practitioner for the treatment of sundamage. Ablative laser techniques, while currently less popular because of associated protracted healing times and greater risk of scarring and pigmentary change, remain the gold standard in
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Pigmented lesions as a sign of photodamage
British Journal of Dermatology, 1992Chronic exposure to ultraviolet (UV) radiation causes skin changes, known as photodamage. Apart from damage to the connective tissue of the dermis and to keratinocytes, pigmented lesions, known as 'age spots', occur. There are several types, but the most common lesions are the senile lentigines.
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The clinical identification and quantification of photodamage
British Journal of Dermatology, 1992The distinction between intrinsic and extrinsic ageing can be made on both histological and clinical grounds. Clinical criteria associated with the diagnosis of extrinsic ageing are coarse wrinkles, actinic lentigines, elastotic conditions, purpura, telangiectasia and cutaneous neoplasms.
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Facial Plastic Surgery Clinics of North America, 2013
Marty O. Visscher +2 more
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Marty O. Visscher +2 more
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2019
The changing trends in global diversity emphasize the need for skin type-specific expertize. This chapter explores structural variations in skin of color, from clinically apparent to microscopic differences, and examines how these contribute to the unique photobiological response exemplified in ethnic skin.
Hester Lim, Sewon Kang, Anna L. Chien
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The changing trends in global diversity emphasize the need for skin type-specific expertize. This chapter explores structural variations in skin of color, from clinically apparent to microscopic differences, and examines how these contribute to the unique photobiological response exemplified in ethnic skin.
Hester Lim, Sewon Kang, Anna L. Chien
openaire +1 more source