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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.
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A Nonviral Approach to Generate Transient Chimeric Antigen Receptor T Cells Using mRNA for Cancer Immunotherapy
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Genetically engineered T cells for cancer immunotherapy.

Dan Li1, Xue Li1, Wei-Lin Zhou1

  • 11Department of Biotherapy, State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, and the Collaborative Innovation Center for Biotherapy, 610041 Chengdu, China.

Signal Transduction and Targeted Therapy
|October 23, 2019
PubMed
Summary

Genetically engineered T cells show promise in cancer immunotherapy, particularly for blood cancers. Further strategies are needed to improve their effectiveness against solid tumors.

Keywords:
Drug developmentMolecular medicine

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Area of Science:

  • Immunology
  • Oncology
  • Biotechnology

Background:

  • T cells are crucial for immune defense against pathogens and abnormal cells via T cell receptors (TCRs).
  • Cancer immunotherapy leverages T cell recognition, enhancing anti-tumor responses by releasing immune checkpoints and through adoptive T cell transfer.

Purpose of the Study:

  • To review the development of genetically engineered T cells for cancer immunotherapy.
  • To summarize recent studies on engineered T cells in cancer treatment.
  • To discuss strategies for enhancing engineered T cell efficacy, especially in solid tumors.

Main Methods:

  • Review of scientific literature on genetically engineered T cells.
  • Analysis of studies utilizing chimeric antigen receptors (CARs) and TCR-engineered T cells.
  • Discussion of therapeutic strategies and challenges.

Main Results:

  • Engineered T cells, including CAR-T and TCR-T cells, have demonstrated significant success in treating hematological malignancies.
  • The efficacy of these engineered T cells against solid tumors remains a significant challenge.
  • Ongoing research focuses on overcoming barriers to effective solid tumor treatment.

Conclusions:

  • Genetically engineered T cells represent a powerful tool in cancer immunotherapy.
  • Significant advancements have been made, particularly in treating blood cancers.
  • Further research and strategic development are essential to improve outcomes for solid tumors.