preferred_name: Decreased cell surface expression of MHC type II antigens (e.g., HLA-DR)
preferred_name_lc: decreased cell surface expression of mhc type ii antigens (e.g., hla-dr)
label: Decreased cell surface expression of MHC type II antigens (e.g., HLA-DR)
label_lc: decreased cell surface expression of mhc type ii antigens (e.g., hla-dr)