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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.
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Applications of DNA-based nanostructures in immunotherapy.

Dandan Li1, Huarui Liu2, Xintong Li1

  • 1Laboratory of Nanosystem and Hierarchical Fabrication, National Center for Nanoscience and Technology, Beijing 100190, China; University of Chinese Academy of Sciences, Beijing 100049, China.

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DNA nanostructures offer precise control for immunotherapy applications. This review explores their use in delivering treatments like tumor antigens and immune-regulating agents, discussing future potential.

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Area of Science:

  • Biotechnology and Nanomedicine
  • Immunology and Cancer Therapy

Background:

  • DNA's ability to form precise nanostructures with biocompatibility makes it ideal for biomedical applications.
  • Self-assembled DNA nanostructures are increasingly used in bio-imaging, diagnostics, and drug delivery.

Purpose of the Study:

  • To review recent advancements in DNA-based nanostructures for immunotherapy.
  • To explore diverse DNA nanostructures and their roles in various immunotherapeutic strategies.

Main Methods:

  • Review of literature on DNA nanostructures (DNA origami, hydrogels, etc.) applied in immunotherapy.
  • Analysis of DNA nanostructures for delivering immunotherapeutic agents (adjuvants, antigens, inhibitors, vaccines).

Main Results:

  • DNA nanostructures effectively deliver CpG adjuvants, tumor antigens, PD1 inhibitors, mRNA vaccines, and virus antigens.
  • These structures can directly modulate immune cells for therapeutic benefit.

Conclusions:

  • DNA nanostructures show significant promise for in vivo immunotherapy.
  • Challenges and future directions for in vivo applications require further investigation.