PMID- 32569519 OWN - NLM STAT- MEDLINE DCOM- 20210601 LR - 20210601 IS - 1545-4509 (Electronic) IS - 0066-4154 (Linking) VI - 89 DP - 2020 Jun 20 TI - HLAs, TCRs, and KIRs, a Triumvirate of Human Cell-Mediated Immunity. PG - 717-739 LID - 10.1146/annurev-biochem-011520-102754 [doi] AB - In all human cells, human leukocyte antigen (HLA) class I glycoproteins assemble with a peptide and take it to the cell surface for surveillance by lymphocytes. These include natural killer (NK) cells and gammadelta T cells of innate immunity and alphabeta T cells of adaptive immunity. In healthy cells, the presented peptides derive from human proteins, to which lymphocytes are tolerant. In pathogen-infected cells, HLA class I expression is perturbed. Reduced HLA class I expression is detected by KIR and CD94:NKG2A receptors of NK cells. Almost any change in peptide presentation can be detected by alphabeta CD8(+) T cells. In responding to extracellular pathogens, HLA class II glycoproteins, expressed by specialized antigen-presenting cells, present peptides to alphabeta CD4(+) T cells. In comparison to the families of major histocompatibility complex (MHC) class I, MHC class II and alphabeta T cell receptors, the antigenic specificity of the gammadelta T cell receptors is incompletely understood. FAU - Djaoud, Zakia AU - Djaoud Z AD - Department of Structural Biology and Department of Microbiology and Immunology, Stanford University School of Medicine, Stanford, California 94305, USA; email: zdjaoud@stanford.edu, peropa@stanford.edu. FAU - Parham, Peter AU - Parham P AD - Department of Structural Biology and Department of Microbiology and Immunology, Stanford University School of Medicine, Stanford, California 94305, USA; email: zdjaoud@stanford.edu, peropa@stanford.edu. LA - eng PT - Journal Article PT - Review PL - United States TA - Annu Rev Biochem JT - Annual review of biochemistry JID - 2985150R RN - 0 (Histocompatibility Antigens Class I) RN - 0 (Histocompatibility Antigens Class II) RN - 0 (KLRD1 protein, human) RN - 0 (NK Cell Lectin-Like Receptor Subfamily D) RN - 0 (Receptors, Antigen, T-Cell, alpha-beta) RN - 0 (Receptors, Antigen, T-Cell, gamma-delta) RN - 0 (Receptors, KIR) SB - IM MH - Antigen Presentation MH - CD8-Positive T-Lymphocytes/cytology/immunology MH - Evolution, Molecular MH - Gene Expression Regulation MH - Haplotypes MH - Histocompatibility Antigens Class I/*chemistry/classification/genetics/immunology MH - Histocompatibility Antigens Class II/*chemistry/classification/genetics/immunology MH - Humans MH - *Immunity, Cellular MH - Immunity, Innate MH - Killer Cells, Natural/cytology/immunology MH - Models, Molecular MH - NK Cell Lectin-Like Receptor Subfamily D/*chemistry/genetics/immunology MH - Protein Interaction Domains and Motifs MH - Protein Structure, Secondary MH - Receptors, Antigen, T-Cell, alpha-beta/*chemistry/genetics/immunology MH - Receptors, Antigen, T-Cell, gamma-delta/*chemistry/genetics/immunology MH - Receptors, KIR/*chemistry/classification/genetics/immunology MH - Signal Transduction OTO - NOTNLM OT - HLA OT - KIR OT - TCR OT - haplotype OT - lymphocyte OT - polymorphism EDAT- 2020/06/23 06:00 MHDA- 2021/06/02 06:00 CRDT- 2020/06/23 06:00 PHST- 2020/06/23 06:00 [entrez] PHST- 2020/06/23 06:00 [pubmed] PHST- 2021/06/02 06:00 [medline] AID - 10.1146/annurev-biochem-011520-102754 [doi] PST - ppublish SO - Annu Rev Biochem. 2020 Jun 20;89:717-739. doi: 10.1146/annurev-biochem-011520-102754.