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