Benzoyl peroxide (BP) is a free-radical generating compound, widely used in the polymer industry and also in pharmaceuticals as antimicrobial agent to treat acne. However, BP causes irritation and contact dermatitis in about 1% of patients. Concern over the use of this compound is motivated by the demonstration that it can also act as skin tumor promoter in mice. In addition, BP induces DNA strand breaks in many cells, included keratinocytes. In vitro, the tossicity associated with BP is presumably mediated by formation of benzoyloxyl radical, responsable for membrane damage. In this work we investigated the effect of both the lipophilic antioxidant a-tocopherol and the thiol donor N-acetylcysteine (NAC) in human keratinocyte line HaCaT exposed to BP.

Antioxidants modulates benzoyl-peroxide toxicity in human keratinocytes / Manfredini, P; Bellei, E; Bergamini, S; Rota, C; Iannone, A; Tomasi, A; Albertazzi, A.. - In: FREE RADICAL BIOLOGY & MEDICINE. - ISSN 0891-5849. - 33:Suppl.1(2002), pp. 190-190. (Intervento presentato al convegno XIth Meeting of the Society for Free Radical Research International tenutosi a Parigi (Francia) nel 16-20 Luglio 2002).

Antioxidants modulates benzoyl-peroxide toxicity in human keratinocytes

Bellei E;Bergamini S;Iannone A;Tomasi A;Albertazzi A.
2002

Abstract

Benzoyl peroxide (BP) is a free-radical generating compound, widely used in the polymer industry and also in pharmaceuticals as antimicrobial agent to treat acne. However, BP causes irritation and contact dermatitis in about 1% of patients. Concern over the use of this compound is motivated by the demonstration that it can also act as skin tumor promoter in mice. In addition, BP induces DNA strand breaks in many cells, included keratinocytes. In vitro, the tossicity associated with BP is presumably mediated by formation of benzoyloxyl radical, responsable for membrane damage. In this work we investigated the effect of both the lipophilic antioxidant a-tocopherol and the thiol donor N-acetylcysteine (NAC) in human keratinocyte line HaCaT exposed to BP.
2002
33
190
190
Manfredini, P; Bellei, E; Bergamini, S; Rota, C; Iannone, A; Tomasi, A; Albertazzi, A.
Antioxidants modulates benzoyl-peroxide toxicity in human keratinocytes / Manfredini, P; Bellei, E; Bergamini, S; Rota, C; Iannone, A; Tomasi, A; Albertazzi, A.. - In: FREE RADICAL BIOLOGY & MEDICINE. - ISSN 0891-5849. - 33:Suppl.1(2002), pp. 190-190. (Intervento presentato al convegno XIth Meeting of the Society for Free Radical Research International tenutosi a Parigi (Francia) nel 16-20 Luglio 2002).
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11380/1177392
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