PMID- 28077213 OWN - NLM STAT- MEDLINE DCOM- 20170814 LR - 20181108 IS - 1872-8421 (Electronic) IS - 0165-5728 (Linking) VI - 303 DP - 2017 Feb 15 TI - Inhibition of dopamine receptor D3 signaling in dendritic cells increases antigen cross-presentation to CD8(+) T-cells favoring anti-tumor immunity. PG - 99-107 LID - S0165-5728(16)30366-6 [pii] LID - 10.1016/j.jneuroim.2016.12.014 [doi] AB - Dendritic cells (DCs) display the unique ability for cross-presenting antigens to CD8(+) T-cells, promoting their differentiation into cytotoxic T-lymphocytes (CTLs), which play a pivotal role in anti-tumor immunity. Emerging evidence points to dopamine receptor D3 (D3R) as a key regulator of immunity. Accordingly, we studied how D3R regulates DCs function in anti-tumor immunity. The results show that D3R-deficiency in DCs enhanced expansion of CTLs in vivo and induced stronger anti-tumor immunity. Co-culture experiments indicated that D3R-inhibition in DCs potentiated antigen cross-presentation and CTLs activation. Our findings suggest that D3R in DCs constitutes a new therapeutic target to strengthen anti-tumor immunity. CI - Copyright (c) 2016 Elsevier B.V. All rights reserved. FAU - Figueroa, Claudio AU - Figueroa C AD - Laboratorio de Neuroinmunologia, Fundacion Ciencia & Vida, Nunoa, 7780272 Santiago, Chile; Departamento de Ciencias Biologicas y Quimicas, Facultad de Ciencia, Universidad San Sebastian, Providencia, 7510157 Santiago, Chile. FAU - Galvez-Cancino, Felipe AU - Galvez-Cancino F AD - Laboratorio de Inmunoterapia Genica, Fundacion Ciencia & Vida, Nunoa, 7780272 Santiago, Chile; Departamento de Ciencias Biologicas, Facultad de Ciencias Biologicas, Universidad Andres Bello, 8370146 Santiago, Chile. FAU - Oyarce, Cesar AU - Oyarce C AD - Laboratorio de Inmunoterapia Genica, Fundacion Ciencia & Vida, Nunoa, 7780272 Santiago, Chile. FAU - Contreras, Francisco AU - Contreras F AD - Laboratorio de Neuroinmunologia, Fundacion Ciencia & Vida, Nunoa, 7780272 Santiago, Chile. FAU - Prado, Carolina AU - Prado C AD - Laboratorio de Neuroinmunologia, Fundacion Ciencia & Vida, Nunoa, 7780272 Santiago, Chile. FAU - Valeria, Catalina AU - Valeria C AD - Laboratorio de Neuroinmunologia, Fundacion Ciencia & Vida, Nunoa, 7780272 Santiago, Chile. FAU - Cruz, Sebastian AU - Cruz S AD - Laboratorio de Inmunoterapia Genica, Fundacion Ciencia & Vida, Nunoa, 7780272 Santiago, Chile. FAU - Lladser, Alvaro AU - Lladser A AD - Laboratorio de Inmunoterapia Genica, Fundacion Ciencia & Vida, Nunoa, 7780272 Santiago, Chile. FAU - Pacheco, Rodrigo AU - Pacheco R AD - Laboratorio de Neuroinmunologia, Fundacion Ciencia & Vida, Nunoa, 7780272 Santiago, Chile; Departamento de Ciencias Biologicas, Facultad de Ciencias Biologicas, Universidad Andres Bello, 8370146 Santiago, Chile. Electronic address: rpacheco@cienciavida.org. LA - eng PT - Journal Article PT - Research Support, Non-U.S. Gov't DEP - 20170102 PL - Netherlands TA - J Neuroimmunol JT - Journal of neuroimmunology JID - 8109498 RN - 0 (Antigens, Neoplasm) RN - 0 (Receptors, Dopamine D3) SB - IM MH - Animals MH - Antigen Presentation/immunology MH - Antigens, Neoplasm/*immunology/metabolism MH - CD8-Positive T-Lymphocytes/*immunology/metabolism MH - Dendritic Cells/*immunology/metabolism MH - Male MH - Melanoma, Experimental/immunology/metabolism MH - Mice MH - Mice, 129 Strain MH - Mice, Inbred C57BL MH - Mice, Knockout MH - Mice, Transgenic MH - Receptors, Dopamine D3/*deficiency/*immunology MH - Signal Transduction/immunology MH - Tumor Burden/*immunology OTO - NOTNLM OT - Antigen cross-presentation OT - Cytotoxic T lymphocytes OT - Dendritic cells OT - Dopamine receptors OT - Knockout mice OT - Tumor immunology EDAT- 2017/01/13 06:00 MHDA- 2017/08/15 06:00 CRDT- 2017/01/13 06:00 PHST- 2016/10/26 00:00 [received] PHST- 2016/12/06 00:00 [revised] PHST- 2016/12/28 00:00 [accepted] PHST- 2017/01/13 06:00 [pubmed] PHST- 2017/08/15 06:00 [medline] PHST- 2017/01/13 06:00 [entrez] AID - S0165-5728(16)30366-6 [pii] AID - 10.1016/j.jneuroim.2016.12.014 [doi] PST - ppublish SO - J Neuroimmunol. 2017 Feb 15;303:99-107. doi: 10.1016/j.jneuroim.2016.12.014. Epub 2017 Jan 2.