IL-33 is an intermediate for IL-17 in the induction of REG3A to promote wound repair after skin inju

来源 :中国免疫学会第九届全国免疫学学术大会 | 被引量 : 0次 | 上传用户:tiamflying
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As a major cell type in epidermis, keratinocyte proliferation is an essential element of wound repair.Our previous studies have found that IL-17A induces the expression of antimicrobial protein REG3A to regulate keratinocyte proliferation and differentiation (Immunity, 2012), but little is known about the intrinsic molecular mechanism by which IL-17A regulates REG3A expression.To explore the underlying intricate mechanism, we first treated keratinocytes with shRNAs or inhibitors in the presence or absence of recombinant IL-17A, and found that IL-17A activated IL-17RA-ACT 1-p38-MAPK-β-catenin signaling pathway to induce REG3A expression in keratinocytes.
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