A review of innovative design strategies: Artificial antigen presenting cells in cancer immunotherapy.

Int J Pharm

Centre for Research in Environment, Sustainability Advocacy and Climate CHange (REACH), Directorate of Research, SRM Institute of Science and Technology, Kattankulathur 603203, Chengalpattu District, Tamil Nadu, India. Electronic address:

Published: January 2025

AI Article Synopsis

  • Developing nanocarriers for targeted delivery of medications to tumors represents a promising advancement in cancer treatment amidst challenges posed by cancer's complex environment.
  • Artificial antigen presenting cells (aAPCs) are innovative devices that help activate T lymphocytes to fight cancer by mimicking natural cells and providing necessary signals.
  • Key design factors for aAPCs include their size, shape, and protein distribution, with an emphasis on ensuring effective contact with T cells to enhance activation and treatment efficacy.

Article Abstract

Developing nanocarriers that can carry medications directly to tumors is an exciting development in cancer nanomedicine. The efficacy of this intriguing therapeutic approach is, however, compromised by intricate and immunosuppressive circumstances that arise concurrently with the onset of cancer. The artificial antigen presenting cell (aAPC), a micro or nanoparticle based device that mimics an antigen presenting cell by providing crucial signal proteins to T lymphocytes to activate them against cancer, is one cutting-edge method for cancer immunotherapy. This review delves into the critical design considerations for aAPCs, particularly focusing on particle size, shape, and the non-uniform distribution of T cell activating proteins on their surfaces. Adequate surface contact between T cells and aAPCs is essential for activation, prompting engineers to develop nano-aAPCs with microscale contact areas through techniques such as shape modification and nanoparticle clustering. Additionally, we explore recommendations for future advancements in this field.

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http://dx.doi.org/10.1016/j.ijpharm.2024.125053DOI Listing

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