Nanoparticles in the Development of Therapeutic Cancer Vaccines
Ronak Savla, Vera Ivanova and Tamara Minko
Affiliation: Department of Pharmaceutics, Ernest Mario School of Pharmacy, Rutgers, The State University of New Jersey, 160 Frelinghuysen Road, Piscataway, NJ 08854-8020, USA.
Cancer vaccines have garnered great interest as a potential arsenal to treat patients with cancer. The main goal
and challenge in cancer immunotherapy includes the activation of the otherwise indolent immune system of cancer patients.
It has been discovered that cytotoxic T cell mediated immune response is most efficacious in killing cancer cells.
However, even if the immune system of a cancer patient is activated, there is no guarantee that such activation will be
translated into cancer cell death. Nanotechnology has already transformed the field of small molecule therapy and holds
promise to have similar impact on the field of cancer vaccines. Nanoparticles can be tailored to target specific receptors in
immune competent or cancer cells and even elicit specific type of immune response. Desirable effects of nanoparticles can
be controlled through modification of factors such shape, size, surface charge, composition, and hydrophobicity. Another
advantage of nanoparticles includes the ability of simultaneous delivery of multiple antigens and adjuvant-antigen combinations,
thereby increasing the likelihood of triggering an immune response. Extrapolating from the progress that nanoparticles
have helped to make in other areas, it can be anticipated that nanotechnology approach would accelerate the process
of clinical applications of cancer vaccines.
Keywords: Adjuvants, antigens, cancer, liposomes, nanoparticles, polymers, therapeutic vaccines, virus-like particles.
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