Cited by 77Immune Response and InflammationImmunotherapy and Immune ResponsesImmunotoxicology and immune responses

The role of multiple toll-like receptor signalling cascades on interactions between biomedical polymers and dendritic cells

Open access
Shokouhi, Behnaz, Coban, Cevayir, Hasirci, Vasif, Aydin, Erkin, Dhanasingh, Anandhan, Shi, Nian, Koyama, Shohei, Akira, Shizuo +2 more·2010·Biomaterials

Abstract

Biomaterials are used in several health-related applications ranging from tissue regeneration to antigen-delivery systems. Yet, biomaterials often cause inflammatory reactions suggesting that they profoundly alter the homeostasis of host immune cells such as dendritic cells (DCs). Thus, there is a major need to understand how biomaterials affect the function of these cells. In this study, we have analysed the influence of chemically and physically diverse biomaterials on DCs using several murine knockouts. DCs can sense biomedical polymers through a mechanism, which involves multiple TLR/MyD88-dependent signalling pathways, in particular TLR2, TLR4 and TLR6. TLR-biomaterial interactions induce the expression of activation markers and pro-inflammatory cytokines and are sufficient to confer on DCs the ability to activate antigen-specific T cells. This happens through a direct biomaterial-DC interaction although, for degradable biomaterials, soluble polymer molecules can also alter DC function. Finally, the engagement of TLRs by biomaterials profoundly alters DC adhesive properties. Our findings could be useful for designing structure-function studies aimed at developing more bioinert materials. Moreover, they could also be exploited to generate biomaterials for studying the molecular mechanisms of TLR signalling and DC activation aiming at fine-tuning desired and pre-determined immune responses.

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Crossref · 10.1016/j.biomaterials.2010.04.015

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Authors
Shokouhi, B., Coban, C., Hasirci, V., Aydin, E., Dhanasingh, A., Shi, N., Koyama, S., Akira, S., Zenke, M., & Sechi, A. S.
Affiliations
  • Universitätsklinikum Aachen (DE)
  • Immunology Frontier Research Center, The University of Osaka (JP)
  • Middle East Technical University (TR)
  • RWTH Aachen University (DE)
Corresponding author
Sechi, Antonio S.
Venue
Biomaterials
Publisher
Elsevier BV
Published
2010-08
Volume
31
Issue
22
Pages
5759-5771
ISSN
0142-9612 (ISSN-L)
OpenAlex
W2134767971
Cited by
77
References
65
Citations by year
2025: 2 · 2024: 4 · 2023: 1 · 2022: 5 · 2021: 6 · 2020: 10 · 2019: 4 · 2018: 4 · 2017: 9 · 2016: 4 · 2015: 7 · 2014: 1 · 2013: 5 · 2012: 7
FWCI
2.74
Type
journal article
Language
en
Open access
Locations
  • Biomaterials (publishedVersion)
  • PubMed (publishedVersion)
  • OpenMETU (Middle East Technical University) (submittedVersion, cc-by-nc-nd)
  • RWTH Publications (RWTH Aachen) (submittedVersion)
Funders
RWTH Aachen University
Topics
  • Life Sciences › Immunology and Microbiology › Immunology › Immune Response and Inflammation
  • Life Sciences › Immunology and Microbiology › Immunology › Immunotherapy and Immune Responses
  • Life Sciences › Immunology and Microbiology › Immunology › Immunotoxicology and immune responses
Keywords
Toll-like receptors, dendritic cells, biomedical polymers, TLR2, TLR4, TLR6, biomaterial-immune interaction, inflammatory cytokines, T cell activation, dendritic cell adhesion, degradable polymers, bioinert materials
MeSH terms
Animals, Biocompatible Materials, Dendritic Cells, Mice, Inbred C57BL, Mice, Knockout, Toll-Like Receptors, Toll-Like Receptor 2, Toll-Like Receptor 4, Toll-Like Receptor 6, Mice, Myeloid Differentiation Factor 88

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