EntityQ21686041· pop 10· linked from 69 articlesimmune checkpointSign in to saveregulators of the immune systemConnectionsnatural killer cellEntitycytotoxic T-lymphocyte associated protein 4ProteinEuropean UnionConceptInternational Standard Book NumberEntityimmunityEntitydigital object identifierEntityInternational Standard Serial NumberEntityNobel Prize in Physiology or MedicineEntityPfizerEntityQ180686EntityT-lymphocytesEntityQ229883EntityTasuku HonjoEntitycytokineEntityopen accessEntityAstraZenecaCompanyJames P. AllisonEntityacute myeloid leukemiaEntitynicotinamide adenine dinucleotide phosphateEntityMerck & Co.CompanyCategoriesImmune system