The filaggrin story: novel insights into skin-barrier function and disease - PubMed (original) (raw)

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The filaggrin story: novel insights into skin-barrier function and disease

John A McGrath et al. Trends Mol Med. 2008 Jan.

Abstract

Recent reports have uncovered the key role of the protein filaggrin in maintaining an effective skin barrier against the external environment. Loss-of-function mutations in the profilaggrin gene (FLG) are common and are present in up to 10% of the population. These mutations are the cause of the semi-dominant skin-scaling disorder ichthyosis vulgaris and are a major risk factor for the development of atopic dermatitis. The discovery of these mutations also provides new data concerning the genetics of atopic asthma as well as intriguing insight into disease mechanisms of systemic allergies involving antigen exposure in skin with defective barrier function. Collectively, these novel findings have significant implications for the classification and future clinical management of patients with atopic and allergic diseases.

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