The Implications of Pruritogens in the Pathogenesis of Atopic Dermatitis
Lai‐San Wong, Yu-Ta Yen, Chih‐Hung Lee2021International Journal of Molecular SciencesReview
DermatologicalImmune/Innate
Abstract
Atopic dermatitis (AD) is a prototypic inflammatory disease that presents with intense itching. The pathophysiology of AD is multifactorial, involving environmental factors, genetic susceptibility, skin barrier function, and immune responses. A recent understanding of pruritus transmission provides more information about the role of pruritogens in the pathogenesis of AD. There is evidence that pruritogens are not only responsible for eliciting pruritus, but also interact with immune cells and act as inflammatory mediators, which exacerbate the severity of AD. In this review, we discuss the interaction between pruritogens and inflammatory molecules and summarize the targeted therapies for AD.
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