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Filaggrin mutations and atopy: consequences for future therapeutics.
Jennifer Heimall1, Jonathan M Spergel
1The Children's Hospital of Philadelphia, Division of Allergy & Immunology, 550 Market Street, PA 19104, USA.
Expert Review of Clinical Immunology
|February 1, 2012
Summary
Filaggrin mutations in atopic eczema disrupt skin barrier, increasing allergy risk. Restoring skin barrier function may treat eczema and prevent future allergic diseases.
Area of Science:
- Dermatology
- Immunology
- Genetics
Background:
- Filaggrin is crucial for skin barrier function in the stratum corneum.
- Loss-of-function filaggrin mutations are linked to atopic eczema and heightened allergic sensitization.
- Atopic eczema is the initial phase of the atopic march, preceding allergic rhinitis and asthma.
Purpose of the Study:
- To explore the role of filaggrin in skin barrier integrity.
- To understand the connection between filaggrin mutations, atopic eczema, and allergic sensitization.
- To evaluate the potential of barrier restoration therapies in managing atopic eczema and preventing allergic progression.
Main Methods:
- Review of existing literature on filaggrin, atopic eczema, and allergic sensitization.
- Analysis of the association between filaggrin mutations and skin barrier dysfunction.
- Examination of the 'atopic march' phenomenon and the role of early allergic sensitization.
Main Results:
- Filaggrin mutations impair skin barrier function, creating an entry point for allergens.
- This barrier disruption in atopic eczema facilitates sensitization to food and airborne allergens.
- The process contributes to the development of allergic rhinitis and asthma.
Conclusions:
- Therapies targeting skin barrier restoration are promising for atopic eczema treatment.
- Restoring barrier function may serve as a preventive strategy against the development of further allergic diseases.
- Understanding filaggrin's role is key to managing the atopic march.
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