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Related Concept Videos

Tumor Immunotherapy01:27

Tumor Immunotherapy

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Immunotherapy is a treatment that boosts or manipulates the immune system to fight diseases, including cancer. For instance, by stimulating an immune response through vaccinations against viruses that cause cancers, like hepatitis B virus and human papillomavirus, these diseases can be prevented. Nonetheless, some cancer cells can avoid the immune system due to their rapid mutation and division. The immune response to many cancers involves three phases: elimination, equilibrium, and escape.
524
Cytotoxic T Cells-mediated Immune Response01:27

Cytotoxic T Cells-mediated Immune Response

910
Cytotoxic T cells are a vital component of the immune system. They have the remarkable ability to identify and target antigens on infected or abnormal cells. These antigens often originate from intracellular pathogens such as viruses or abnormal proteins cancer cells produce.
Immunological surveillance is the ability of immune cells to monitor and eliminate infected cells with intracellular pathogens, neoplastically transformed cells, and cells with non-self antigens. Cytotoxic T cells and NK...
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Nanoparticle-Based Immunotherapy for Reversing T-Cell Exhaustion.

Fei Li1, Yahong Wang2, Dandan Chen2

  • 1Institute of Pathogen Biology, School of Basic Medical Sciences, Lanzhou University, Lanzhou 730000, China.

International Journal of Molecular Sciences
|February 10, 2024
PubMed
Summary

Nanoparticle-based immunotherapies show promise in reversing T-cell exhaustion, a dysfunction seen in chronic infections and cancer. This review explores targeted nanoparticle strategies to overcome current treatment limitations and improve outcomes.

Keywords:
T cell metabolismT-cell exhaustionimmune checkpoint blockadenanoparticletumor microenvironment

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Area of Science:

  • Immunology
  • Nanotechnology
  • Oncology

Background:

  • T-cell exhaustion is a critical barrier in treating chronic infections and cancers.
  • Current immune checkpoint blockade therapies (e.g., PD-1, TIM-3) show limitations in reversing T-cell exhaustion.
  • Nanotechnology offers novel drug delivery systems for cancer and infectious disease treatment.

Purpose of the Study:

  • To review recent advances in T-cell exhaustion, focusing on targetable characteristics.
  • To discuss emerging nanoparticle-based delivery systems for immunotherapy.
  • To detail nanoparticle-based immunotherapies for reversing T-cell exhaustion.

Main Methods:

  • Literature review of T-cell exhaustion mechanisms.
  • Analysis of nanoparticle applications in drug delivery and immunotherapy.
  • Compilation of nanoparticle-based strategies targeting immune checkpoints, tumor microenvironment, and T-cell metabolism.

Main Results:

  • Nanoparticle-based immunotherapies present a promising approach to overcome T-cell exhaustion.
  • Targeting immune checkpoints, tumor microenvironment, and T-cell metabolism with nanoparticles can reverse exhaustion.
  • Nanoparticle delivery systems enhance the efficacy of immunotherapies.

Conclusions:

  • Nanoparticle-based immunotherapies offer a new frontier in treating T-cell exhaustion.
  • Understanding exhaustion characteristics is key to developing effective nanoparticle strategies.
  • These approaches hold potential for preventing and treating chronic diseases and cancer.