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Buchner, Johannes

Biological Chemistry

Editor-in-Chief: Brüne, Bernhard

Editorial Board Member: Buchner, Johannes / Lei, Ming / Ludwig, Stephan / Sies, Helmut / Turk, Boris / Wittinghofer, Alfred

SCImago Journal Rank (SJR) 2015: 1.607
Source Normalized Impact per Paper (SNIP) 2015: 0.751
Impact per Publication (IPP) 2015: 2.609

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Dendritic cell subtypes as primary targets of vaccines: the emerging role and cross-talk of pattern recognition receptors

Szilvia Benkő1 / Zoltán Magyarics2 / Attila Szabó3 / Éva Rajnavölgyi4

1Institute of Immunology, Medical and Health Science Centre, University of Debrecen, H-4032 Debrecen, Hungary

2Institute of Immunology, Medical and Health Science Centre, University of Debrecen, H-4032 Debrecen, Hungary

3Institute of Immunology, Medical and Health Science Centre, University of Debrecen, H-4032 Debrecen, Hungary

4Institute of Immunology, Medical and Health Science Centre, University of Debrecen, H-4032 Debrecen, Hungary

Corresponding author

Citation Information: Biological Chemistry. Volume 389, Issue 5, Pages 469–485, ISSN (Online) 14374315, ISSN (Print) 1431-6730, DOI: https://doi.org/10.1515/BC.2008.054, March 2008

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Preventive vaccination is the most successful approach against infectious diseases and has a great impact on world health. Vaccines operate through the activation of innate immunity that helps to stimulate antigen-specific T- and B-lymphocytes. These events are orchestrated by dendritic cells (DCs) that are able to sample foreign structures and concomitantly sense ‘danger signals’. Thus, DCs provide a functional link between innate and acquired immunity, and due to their regulatory potential are referred to as natural adjuvants. Human conventional and plasmacytoid DCs express different sets of well-characterized Toll-like membrane receptors (TLRs) that recognize a broad range of conserved molecular patterns of pathogens. The recently discovered cytosolic Nod-like receptors (NLRs) and RIG-like helicases (RLHs) also turned out to participate in pathogen recognition and modulation of immune responses through interacting signaling pathways. As a result of their collaboration, the TLR, NLR and RLH recognition systems induce the secretion of different combinations of cytokines that play a fundamental role in T-cell activation and instruction. Ligands of the innate recognition systems emerge as new adjuvants for vaccine design, whereas manipulation of the signaling pathways mediated by these receptors offers new avenues for fine tuning immune responses and optimizing immunotherapies.

Keywords: cross-priming; cytokines; immunomodulation; innate immunity; signaling; T-cell polarization

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