PMID- 33185693 OWN - NLM STAT- MEDLINE DCOM- 20210412 LR - 20210412 IS - 1573-4935 (Electronic) IS - 0144-8463 (Print) IS - 0144-8463 (Linking) VI - 40 IP - 11 DP - 2020 Nov 27 TI - MR1-restricted T cells: the new dawn of cancer immunotherapy. LID - 10.1042/BSR20202962 [doi] LID - BSR20202962 AB - Cancer immunotherapy has recently undergone rapid development into a validated therapy for clinical use. The adoptive transfer of engineered autologous T cells, such as chimeric antigen receptor (CAR) T cells, has been remarkably successful in patients with leukemia and lymphoma with cluster of differentiation (CD)19 expression. Because of the higher number of antigen choices and reduced incidence of cytokine release syndrome (CRS) than CAR-T cells, T cell receptor (TCR)-T cells are also considered a promising immunotherapy. More therapeutic targets for other cancers need to be explored due to the human leukocyte antigen (HLA)-restricted recognition of TCR-T. Major histocompatibility complex (MHC), class I-related (MR1)-restricted T cells can recognize metabolites presented by MR1 in the context of host cells infected with pathogens. MR1 is expressed by all types of human cells. Recent studies have shown that one clone of a MR1-restricted T (MR1-T) cell can recognize many types of cancer cells without HLA-restriction. These studies provide additional information on MR1-T cells for cancer immunotherapy. This review describes the complexity of MR1-T cell TCR in diseases and the future of cancer immunotherapy. CI - (c) 2020 The Author(s). FAU - Wang, Zhiding AU - Wang Z AD - Department of Hematology and Oncology, International Cancer Center, Shenzhen University General Hospital, Shenzhen University Health Science Center, Shenzhen 518000, China. AD - Department of Hematology and BMT Center, Chinese PLA General Hospital, Beijing 100853, China. FAU - Wang, Mengzhen AU - Wang M AD - Department of Hematology and BMT Center, Chinese PLA General Hospital, Beijing 100853, China. FAU - Chen, Jinghong AU - Chen J AD - Department of Hematology and Oncology, International Cancer Center, Shenzhen University General Hospital, Shenzhen University Health Science Center, Shenzhen 518000, China. FAU - Zhang, Linlin AU - Zhang L AD - Department of Hematology and BMT Center, Chinese PLA General Hospital, Beijing 100853, China. FAU - Zhang, Li AU - Zhang L AD - Department of Hematology and Oncology, International Cancer Center, Shenzhen University General Hospital, Shenzhen University Health Science Center, Shenzhen 518000, China. FAU - Yu, Li AU - Yu L AD - Department of Hematology and Oncology, International Cancer Center, Shenzhen University General Hospital, Shenzhen University Health Science Center, Shenzhen 518000, China. AD - Department of Hematology and BMT Center, Chinese PLA General Hospital, Beijing 100853, China. LA - eng PT - Journal Article PT - Review PL - England TA - Biosci Rep JT - Bioscience reports JID - 8102797 RN - 0 (Histocompatibility Antigens Class I) RN - 0 (MR1 protein, human) RN - 0 (Minor Histocompatibility Antigens) SB - IM MH - Animals MH - Histocompatibility Antigens Class I/genetics/*immunology/metabolism MH - Humans MH - *Immunotherapy, Adoptive MH - Lymphocytes, Tumor-Infiltrating/*immunology/metabolism MH - Minor Histocompatibility Antigens/genetics/*immunology/metabolism MH - Mucosal-Associated Invariant T Cells/*immunology/metabolism MH - Neoplasms/genetics/immunology/metabolism/*therapy MH - Phenotype MH - Prognosis MH - T-Lymphocytes/immunology/metabolism/*transplantation PMC - PMC7670570 OTO - NOTNLM OT - Cancer OT - Immunotherapy OT - MAIT OT - MR1 OT - MR1-restricted T cell COIS- The authors declare that there are no competing interests associated with the manuscript. EDAT- 2020/11/14 06:00 MHDA- 2021/04/13 06:00 PMCR- 2020/11/13 CRDT- 2020/11/13 12:10 PHST- 2020/08/26 00:00 [received] PHST- 2020/10/06 00:00 [revised] PHST- 2020/10/26 00:00 [accepted] PHST- 2020/11/13 12:10 [entrez] PHST- 2020/11/14 06:00 [pubmed] PHST- 2021/04/13 06:00 [medline] PHST- 2020/11/13 00:00 [pmc-release] AID - 226783 [pii] AID - BSR20202962 [pii] AID - 10.1042/BSR20202962 [doi] PST - ppublish SO - Biosci Rep. 2020 Nov 27;40(11):BSR20202962. doi: 10.1042/BSR20202962.