Orally Administered Exosomes Alleviate Mouse Contact Dermatitis through Delivering miRNA-150 to Antigen-Primed Macrophages Targeted by Exosome-Surface Antibody Light Chains

We previously discovered suppressor T cell-derived, antigen (Ag)-specific exosomes inhibiting mouse hapten-induced contact sensitivity effector T cells by targeting antigen-presenting cells (APCs). These suppressive exosomes acted Ag-specifically due to a coating of antibody free light chains (FLC) from Ag-activated B1a cells. Current studies aimed at determining if similar immune tolerance could…

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