Nanoscale artificial antigen presenting cells for T cell immunotherapy.

Nanoscale artificial antigen presenting cells for T cell immunotherapy.
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DOI:
10.1016/j.nano.2013.06.015
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发表时间:
2014-01
影响因子:
5.4
通讯作者:
Schneck, Jonathan
Schneck, Jonathan
中科院分区:
医学2区
文献类型:
--
作者:
Perica, Karlo;Medero, Andres De Leon;Durai, Malarvizhi;Chiu, Yen Ling;Bieler, Joan Glick;Sibener, Leah;Niemoeller, Michaela;Assenmacher, Mario;Richter, Anne;Edidin, Michael;Oelke, Mathias;Schneck, Jonathan

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Artificial antigen presenting cells (aAPC), which deliver stimulatory signals to cytotoxic lymphocytes, are a powerful tool for both adoptive and active immunotherapy. Thus far, aAPC have been synthesized by coupling T cell activating proteins such as CD3 or MHC-peptide to micron-sized beads. Nanoscale platforms have different trafficking and biophysical interaction properties and may allow development of new immunotherapeutic strategies. We therefore manufactured aAPC based on two types of nanoscale particle platforms: biocompatible iron-dextran paramagnetic particles (50–100 nm in diameter) and avidin-coated quantum dot nanocrystals, (~30 nm). Nanoscale aAPC induced antigen-specific T cell proliferation from mouse splenocytes and human peripheral blood T cells. When injected in vivo, both iron-dextran particles and quantum dot nanocrystals enhanced tumor rejection in a subcutaneous mouse melanoma model. This is the first description of nanoscale aAPC that induce antigen-specific T cell proliferation in vitro and lead to effective T cell stimulation and inhibition of tumor growth in vivo.
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