Implementation of fatty acid carriers to skin irritation and the epidermal barrier

Autor(en): Schurer, NY
Stichwörter: ACTIVATED RECEPTOR; Allergy; barrier perturbation; CULTURED HUMAN KERATINOCYTES; Dermatology; fatty acid binding proteins; GENE-EXPRESSION; IN-VIVO; irritant contact dermatitis; LIPID-BINDING PROTEINS; MOLECULAR-CLONING; PERMEABILITY BARRIER; peroxisome proliferating activated receptor agonists; PPAR-ALPHA; PSORIATIC SKIN; RAT SKIN
Erscheinungsdatum: 2002
Herausgeber: WILEY
Volumen: 47
Ausgabe: 4
Startseite: 199
Seitenende: 205
Acute perturbations are followed by barrier repair and enhanced lipid synthesis, as well as cellular fatty acid trafficking, yet irritation of the skin may be induced by repeat disturbance of barrier function. Recently, new insights in cellular fatty acid transport and metabolism have evolved with respect to skin irritation and barrier disturbances: (1) Employing sodium dodecyl sulfate, skin irritation is accompanied by the induction of an epidermal (E) cytosolic fatty acid binding protein (FABP) associated with enhanced barrier repair. Whether E-FABP contributes to the water barrier function in normal skin remains to be elucidated; (2) Cutaneous inflammation, as it occurs in irritant contact dermatitis, can be reduced by peroxisome proliferating activated receptor (PPAR) agonists, such as linoleic acid, with clinical effects comparable to that of glucocorticoids; (3) PPARalpha agonists accelerate barrier recovery and enhance lamellar body synthesis, neutral lipid synthesis, in particular that of ceramides and cholesterol; (4) PPARalpha agonists increase the minimal erythema dose in UVB-irradiated human skin. This review provides a brief overview of the current understanding of mammalian fatty acid (FA) metabolism with respect to epidermal barrier abrogation and repair, including new insights into cellular FA transport and metabolism.
ISSN: 01051873
DOI: 10.1034/j.1600-0536.2002.470402.x

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