Abstract
Langerhans cells (LCs) are antigen-presenting cells responsible for initiating an immune response against human papillomaviruses (HPVs) entering the epithelial layer in vivo as they are the first immune cell that HPV comes into contact with. LCs become activated in response to foreign antigens, which causes internal signaling resulting in the increased expression of co-stimulatory molecules and the secretion of inflammatory cytokines. Functionally activated LCs are then capable of migrating to the lymph nodes where they interact with antigen-specific T cells and initiate an adaptive T-cell response in vivo. However, HPV has evolved in a manner that suppresses LC function, and thus the induction of antigen-specific T cells is hindered. While many methods exist to monitor the activity of LCs in vitro, the migration and induction of cytotoxic T cells is ultimately indicative of a functional immune response. Here, methods in analyzing functional migration and induction of antigen-specific T cells after stimulation of LCs with HPV virus-like particles in vitro are described.
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Acknowledgements
WM Kast holds the Walter A. Richter Cancer Research Chair. The methods in this chapter were developed with support from the Karl. H and Ruth M. Balz Trust, Sammie’s circle and NIH Grant R01 CA74397 in the Immune Monitoring Core Facility of the Norris Comprehensive Cancer Center that is supported by NIH Grant 5P30 CA014089 from the NCI. The content is solely the responsibility of the authors and does not necessarily represent the official views of the NCI or the NIH.
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Yan, L., Woodham, A.W., Da Silva, D.M., Kast, W.M. (2015). Functional Analysis of HPV-Like Particle-Activated Langerhans Cells In Vitro. In: Keppler, D., Lin, A. (eds) Cervical Cancer. Methods in Molecular Biology, vol 1249. Humana Press, New York, NY. https://doi.org/10.1007/978-1-4939-2013-6_25
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DOI: https://doi.org/10.1007/978-1-4939-2013-6_25
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Online ISBN: 978-1-4939-2013-6
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