antigen TSA tumor-associated antigen antigens antigen antigen MHC I antigen polysaccharide Ag PRR autoimmune disorders antigen tumor antigens antigen autoantigenic antigen epitopes antigens antigen antigens antigens T-independent class II histocompatibility molecule (MHC II) pattern-recognition receptor immunogen allergen tumor-specific antigen tolerogen TLR TAA antigen antigen antigen antigen antigen lipid Ag antigen antigen antigen antigen T-dependent antigen allergic reactions antigens antigen antigen antigen antigen class I histocompatibility molecule Toll-like receptor endogenous antigenic determinant antigens antigens autoantigenic exogenous antigen antigen tumor antigens antigen antigen antigen endogenous immunogen epitope peptide pathogen-associated molecular pattern antigen exogenous Antigens antigen antigen Top antigens epitope epitope antigen antigens antigen PAMP antigens epitope