The DOI matches its Crossref record; 60 of the 60 references it cites were found in a registry or an index.
Lipid bodies containing oxidatively truncated lipids block antigen cross-presentation by dendritic cells in cancer
Open accessAbstract
Cross-presentation is a critical function of dendritic cells (DCs) required for induction of antitumor immune responses and success of cancer immunotherapy. It is established that tumor-associated DCs are defective in their ability to cross-present antigens. However, the mechanisms driving these defects are still unknown. We find that impaired cross-presentation in DCs is largely associated with defect in trafficking of peptide–MHC class I (pMHC) complexes to the cell surface. DCs in tumor-bearing hosts accumulate lipid bodies (LB) containing electrophilic oxidatively truncated (ox-tr) lipids. These ox-tr-LB, but not LB present in control DCs, covalently bind to chaperone heat shock protein 70. This interaction prevents the translocation of pMHC to cell surface by causing the accumulation of pMHC inside late endosomes/lysosomes. As a result, tumor-associated DCs are no longer able to stimulate adequate CD8 T cells responses. In conclusion, this study demonstrates a mechanism regulating cross-presentation in cancer and suggests potential therapeutic avenues.
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Metadata
- Authors
- Veglia, F., Tyurin, V. A., Mohammadyani, D., Blasi, M., Duperret, E. K., Donthireddy, L., Hashimoto, A., Kapralov, A., Amoscato, A., Angelini, R., Patel, S., Alicea-Torres, K., Weiner, D., Murphy, M. E., Klein-Seetharaman, J., Celis, E., Kagan, V. E., & Gabrilovich, D. I.
- Venue
- Nature Communications
- Published
- 2017-12-14
- Volume
- 8
- Issue
- 1
- Pages
- 2122-2122
- ISSN
- 2041-1723 (ISSN-L)
- OpenAlex
- W2771657918
- Cited by
- 308
- References
- 60
- FWCI
- 6.28
- Type
- journal article
- Language
- en
- Open access
- gold
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- Veglia, F., Tyurin, V. A., Mohammadyani, D., Blasi, M., Duperret, E. K., Donthireddy, L., Hashimoto, A., Kapralov, A., Amoscato, A., Angelini, R., Patel, S., Alicea-Torres, K., Weiner, D., Murphy, M. E., Klein-Seetharaman, J., Celis, E., Kagan, V. E., & Gabrilovich, D. I. (2017). Lipid bodies containing oxidatively truncated lipids block antigen cross-presentation by dendritic cells in cancer. Nature Communications. https://doi.org/10.1038/s41467-017-02186-9
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
