Détail du document
Identifiant

oai:pubmedcentral.nih.gov:1145...

Sujet
Review
Auteur
Berdyshev, Evgeny
Langue
en
Editeur

The Korean Academy of Asthma, Allergy and Clinical Immunology; The Korean Academy of Pediatric Allergy and Respiratory Disease

Catégorie

Allergy, Asthma & Immunology Research

Année

2024

Date de référencement

09/10/2024

Mots clés
lipid lipids function barrier
Métrique

Résumé

Lipids are important skin components that provide, together with proteins, barrier function of the skin.

Keratinocyte terminal differentiation launches unique metabolic changes to lipid metabolism that result in the predominance of ceramides within lipids of the stratum corneum (SC)—the very top portion of the skin.

Differentiating keratinocytes form unique ceramides that can be found only in the skin, and generate specialized extracellular structures known as lamellae.

Lamellae establish tight hydrophobic layers between dying keratinocytes to protect the body from water loss and also from penetration of allergens and bacteria.

Genetic and immunological factors may lead to the failure of keratinocyte terminal differentiation and significantly alter the proportion between SC components.

The consequence of such changes is loss or deterioration of skin barrier function that can lead to pathological changes in the skin.

This review summarizes our current understanding of the role of lipids in skin barrier function.

It also draws attention to the utility of testing SC for lipid and protein biomarkers to predict future onset of allergic skin diseases.

Berdyshev, Evgeny, 2024, Skin Lipid Barrier: Structure, Function and Metabolism, The Korean Academy of Asthma, Allergy and Clinical Immunology; The Korean Academy of Pediatric Allergy and Respiratory Disease

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