Biological process

positive regulation of MHC class II anabolism, positive regulation of MHC class II biosynthesis, positive regulation of MHC class II formation, positive regulation of MHC class II synthesis, positive regulation of major histocompatibility complex class II biosynthesis, positive regulation of major histocompatibility complex class II biosynthetic process, up regulation of MHC class II biosynthetic process, up-regulation of MHC class II biosynthetic process, upregulation of MHC class II biosynthetic process

Any process that activates or increases the frequency, rate or extent of the chemical reactions and pathways resulting in the formation of MHC class II.