eczema pathogenesis synthesizing


The recent identification of loss-of-function mutations in the structural protein filaggrin as a widely replicated major risk factor for eczema sheds new light on disease mechanisms in eczema, a disease that had heretofore largely been considered to have a primarily immunologic etiopathogenesis..

The filaggrin gene (FLG) mutation findings are consistent with a recently proposed unifying hypothesis that offers a mechanistic understanding of eczema pathogenesis synthesizing a heritable epithelial barrier defect and resultant diminished epidermal defense mechanisms to allergens and microbes, followed by polarized TH2 lymphocyte responses with resultant chronic inflammation, including autoimmune mechanisms.

Although compelling evidence from genetic studies on FLG implicates perturbed barrier function as a key player in the pathogenesis of eczema in many patients, much is still unknown about the sequence of biologic, physicochemical, and aberrant regulatory events that constitute the transition from an inherited barrier defect to clinical manifestations of inflammatory eczematous lesions and susceptibility to related atopic disorders.

Warm Regards,
Journal Manger
Journal of Clinical Immunology and infectious diseases
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