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Cancers 2019, 11(4), 470;

Immunology of Plasmacytoid Dendritic Cells in Solid Tumors: A Brief Review

Sotio, 17000 Prague, Czech Republic
Department of Otorhinolaryngology and Head and Neck Surgery, First Faculty of Medicine, Charles University and Motol University Hospital, 15006 Prague, Czech Republic
Author to whom correspondence should be addressed.
Received: 28 February 2019 / Revised: 30 March 2019 / Accepted: 1 April 2019 / Published: 3 April 2019
(This article belongs to the Special Issue Tumour Associated Dendritic Cells)
PDF [707 KB, uploaded 19 April 2019]


The immune response, both innate and adaptive, is a key player in cancer development and progression. Plasmacytoid dendritic cells (pDCs) are a subset of dendritic cells that play one of the central roles in the immune system. They are known mostly as the major IFN type I-producing cells upon stimulation of Toll-like receptors 7 and 9. However, based on current knowledge, the functionality of pDCs is very complex, as they have the ability to affect many other cell types. In the context of the tumor tissue, pDCs were mostly described to show substantial functional defects and therefore contribute to the establishement of immunosuppressive tumor microenvironment. Immunotherapeutic approaches have proven to be one of the most promising treatment strategies in the last decade. In view of this fact, it is crucial to map the complexity of the tumor microenvironment in detail, including less numerous cell types. This review focuses on pDCs in relation to solid tumors. We provide a summary of current data on the role of pDCs in different tumor types and suggest their possible clinical applications. View Full-Text
Keywords: plasmacytoid dendritic cells; cancer; tumor microenvironment; tumor immunology plasmacytoid dendritic cells; cancer; tumor microenvironment; tumor immunology

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Koucký, V.; Bouček, J.; Fialová, A. Immunology of Plasmacytoid Dendritic Cells in Solid Tumors: A Brief Review. Cancers 2019, 11, 470.

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