PMID- 29440147 OWN - NLM STAT- MEDLINE DCOM- 20190520 LR - 20211108 IS - 1538-7445 (Electronic) IS - 0008-5472 (Linking) VI - 78 IP - 6 DP - 2018 Mar 15 TI - The Balance Players of the Adaptive Immune System. PG - 1379-1382 LID - 10.1158/0008-5472.CAN-17-3607 [doi] AB - Equilibrium between immune activation and suppression may be necessary to maintain immune homeostasis, because proinflammatory effector T cells (defined as antiregulatory T cells) counteract the functions of regulatory immune cells. These self-reactive T cells recognize human leukocyte antigen (HLA)-restricted epitopes derived from proteins expressed by regulatory immune cells such as IDO, PD-L1, PD-L2, or arginase. The activation of such proinflammatory effector T cells offers a novel way to directly target the tumor microenvironment, potentially giving them considerable clinical value, especially in patients with cancer. Vaccination against genetically stable cells with regular HLA expression is an attractive way to directly target immunosuppressive cells in addition to attracting proinflammatory cells into the tumor microenvironment. Importantly, vaccination toward IDO or PD-L1 to potentiate such T cells have proven safe, with minimal toxicity in the clinical phase I trials conducted thus far.Cancer Res; 78(6); 1379-82. (c)2018 AACR. CI - (c)2018 American Association for Cancer Research. FAU - Andersen, Mads Hald AU - Andersen MH AD - Center for Cancer Immune Therapy (CCIT), Department of Hematology, Copenhagen University Hospital, Herlev, Denmark. mads.hald.andersen@regionh.dk. AD - Department of Immunology and Microbiology, University of Copenhagen, Copenhagen, Denmark. LA - eng PT - Journal Article PT - Research Support, Non-U.S. Gov't PT - Review DEP - 20180213 PL - United States TA - Cancer Res JT - Cancer research JID - 2984705R RN - 0 (B7-H1 Antigen) RN - 0 (CD274 protein, human) RN - 0 (Cancer Vaccines) RN - 0 (Epitopes) RN - 0 (IDO1 protein, human) RN - 0 (Indoleamine-Pyrrole 2,3,-Dioxygenase) RN - 82115-62-6 (Interferon-gamma) SB - IM MH - B7-H1 Antigen/immunology/metabolism MH - Cancer Vaccines/*pharmacology MH - Epitopes/immunology MH - Humans MH - Immunotherapy/methods MH - Indoleamine-Pyrrole 2,3,-Dioxygenase/immunology/metabolism MH - Interferon-gamma/immunology/metabolism MH - Neoplasms/*immunology/pathology/therapy MH - T-Lymphocytes/*immunology MH - T-Lymphocytes, Regulatory/immunology MH - Tumor Microenvironment/*immunology EDAT- 2018/02/15 06:00 MHDA- 2019/05/21 06:00 CRDT- 2018/02/15 06:00 PHST- 2017/11/20 00:00 [received] PHST- 2017/12/12 00:00 [revised] PHST- 2018/01/02 00:00 [accepted] PHST- 2018/02/15 06:00 [pubmed] PHST- 2019/05/21 06:00 [medline] PHST- 2018/02/15 06:00 [entrez] AID - 0008-5472.CAN-17-3607 [pii] AID - 10.1158/0008-5472.CAN-17-3607 [doi] PST - ppublish SO - Cancer Res. 2018 Mar 15;78(6):1379-1382. doi: 10.1158/0008-5472.CAN-17-3607. Epub 2018 Feb 13.