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Nanotechnology Approaches for Cancer Immunotherapy and Immunomodulation

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Nano-Oncologicals

Abstract

Difficulties in the development of new effective oncological therapies have been related to the multiple cellular components involved in tumorigenesis, cancer progression, and dissemination. It has become clear that the immune system plays a critical role by keeping potentially tumorigenic cells under surveillance and determining their response to specific cancer therapies. The improved understanding of how the immune system influences cancer has led to the concept of immunotherapy and immunomodulation of cancer. Active immunotherapy, or therapeutic vaccination, involves stimulation of the immune system so that it recognizes specific tumor antigens. Passive immunotherapy refers to the administration of monoclonal antibodies with the ability to interact with specific cell receptors, which are functionally implicated in oncogenesis. More recently, the idea of manipulating the immunosuppressive tumor microenvironment both with classical or advanced nucleic acid-based drugs is gaining increasing importance and is expected to represent a breakthrough in cancer treatment. The full exploitation of these immune-based approaches will depend on the availability of adequate delivery strategies for the respective active compounds. Nanotechnology, enabling the controlled delivery of a range of active molecules (tumor antigens, antibodies, small molecules, proteins, and nucleic acids) to the target cells (tumor or immunocompetent cells), may represent the key to a success of these oncological therapies. In this chapter, we present an overview of the potential of biodegradable nanostructures towards this goal.

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Acknowledgments

The authors thank the support given by the Carlos III Health Institute, Spain (Miguel Servet Program CP12/03150), EuroNanoMed 2013 (053 NICHE), and U54-CA151884.

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Correspondence to Maria José Alonso .

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© 2014 Controlled Release Society

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de la Fuente, M., Langer, R., Alonso, M.J. (2014). Nanotechnology Approaches for Cancer Immunotherapy and Immunomodulation. In: Alonso, M., Garcia-Fuentes, M. (eds) Nano-Oncologicals. Advances in Delivery Science and Technology. Springer, Cham. https://doi.org/10.1007/978-3-319-08084-0_8

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