Next Generation Adoptive Immunotherapy—Human T Cells as Carriers of Therapeutic Nanoparticles

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Abstract:

An important step in adoptive immunotherapy in general and specifically with respect to cancer treatment is the initiation of an inflammatory T cell response at the tumor site. Here we suggest a new concept for a controlled inflammatory response in which the intrinsic cytotoxic properties of T cells are upgraded with the properties of nanoparticles transfected into the T cells during the ex vivo expansion process. We report in vitro upgrading of human T cells using PEGylated boron carbide nanoparticles functionalised with a translocation peptide aimed at Boron Neutron Capture Therapy (BNCT). A key finding is that the metabolism of such upgraded human T cells were not affected by a payload of 0.13 pg boron per cell and that the nanoparticles were retained in the cell population after several cell divisions. This is vital for transporting nanoparticles by T cells to the tumor site.

Keywords: HUMAN T CELLS; NANOPARTICLE; THERAPEUTIC APPLICATION

Document Type: Research Article

DOI: http://dx.doi.org/10.1166/jnn.2007.007

Publication date: December 1, 2007

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  • Journal for Nanoscience and Nanotechnology (JNN) is an international and multidisciplinary peer-reviewed journal with a wide-ranging coverage, consolidating research activities in all areas of nanoscience and nanotechnology into a single and unique reference source. JNN is the first cross-disciplinary journal to publish original full research articles, rapid communications of important new scientific and technological findings, timely state-of-the-art reviews with author's photo and short biography, and current research news encompassing the fundamental and applied research in all disciplines of science, engineering and medicine.
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