MHC class II (MHC-II) molecules are present on antigen presenting cells (APCs) and these molecules function by binding antigenic peptides and presenting these peptides to antigen-specific CD4+ T cells. APCs continuously generate and degrade MHC-II molecules. and ubiquitination of MHC-II has recently been shown to be a key regulator of MHC-II expression in dendritic cells (DCs). In thi... https://www.jmannino.com/super-super-University-of-Arizona-Primary-Mark-iPhone-14-Plus-MagSafe-Case-p76978-deal-zone/