Home > Dermatology > EADV 2019 > Emerging Therapies > IL-1⍺ blockade: a new treatment option in AD

IL-1⍺ blockade: a new treatment option in AD

Presented By
Prof. Alice Gottlieb, Icahn School of Medicine at Mount Sinai, USA
Conference
EADV 2019
IL-1⍺ blockade is a novel interesting target in atopic dermatitis (AD). In a proof-of-concept study, an IL-1 blocker improved AD in all disease measures [1]. “The rationale behind targeting IL-1⍺ is that Th1 immunity plays a signifying role in adults with chronic AD,” said Prof. Alice Gottlieb (Icahn School of Medicine at Mount Sinai, USA). Under the influence of a variety of cytokines, including IL-17A and IL-17C, keratinocytes increase release of IL-1⍺. This cytokine drives leukocyte recruitment and activates the vascular endothelium [2]. By potentiation of nociceptors, itch is increased. It stimulates expression of matrix metalloproteinases, thus impairing the skin barrier [3]. This results in skin inflammation, epidermal barrier defects, and severe, debilitating itch, and these factor are all hallmarks of AD [4,5]. IL-1⍺ on circulating leukocytes may also drive inflammatory signalling in the microvasculature of lesions. In addition, it induces breakdow...


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