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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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Related Experiment Video

Updated: Jun 6, 2025

Time-Lapse 2D Imaging of Phagocytic Activity in M1 Macrophage-4T1 Mouse Mammary Carcinoma Cells in Co-cultures
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Modulating and Imaging Macrophage Reprogramming for Cancer Immunotherapy.

Jialu Wang1, Yafang Lu1, Ren Zhang1

  • 1Britton Chance Center and MOE Key Laboratory for Biomedical Photonics, Wuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology, Wuhan, 430074 Hubei China.

Phenomics (Cham, Switzerland)
|November 25, 2024
PubMed
Summary

Targeting tumor-infiltrating macrophages offers a promising cancer immunotherapy strategy. Molecular imaging aids in understanding and guiding macrophage reprogramming for improved solid tumor treatment.

Keywords:
Imaging techniquesImmunotherapyMacrophage reprogrammingPolarized phenotypesSolid tumors

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Area of Science:

  • Immunology
  • Oncology
  • Molecular Imaging

Background:

  • Solid tumors present challenges to cancer immunotherapy due to low reactivity.
  • Macrophages within the tumor microenvironment (TME) are crucial due to their plasticity and heterogeneity.
  • Reprogramming TME macrophages offers a novel therapeutic avenue for cancer treatment.

Purpose of the Study:

  • To review current progress in macrophage reprogramming strategies for cancer immunotherapy.
  • To highlight the role of molecular imaging in observing macrophage reprogramming.
  • To discuss therapeutic applications of imaging and reprogramming macrophages in solid tumors.

Main Methods:

  • Review of conceptual roadmaps and therapeutic approaches for macrophage reprogramming.
  • Discussion of various reprogramming methods: monoclonal antibody drugs, small molecule drugs, gene therapy, and CAR-M.
  • Emphasis on the integration of in vivo molecular imaging techniques.

Main Results:

  • Macrophage reprogramming encompasses diverse strategies from conceptual frameworks to advanced therapies.
  • Molecular imaging is essential for visualizing and understanding macrophage behavior during immunotherapy.
  • Therapeutic applications are being explored in specific solid tumor types.

Conclusions:

  • Macrophage reprogramming is a key strategy to enhance cancer immunotherapy efficacy.
  • Molecular imaging provides critical insights for developing precise macrophage-targeted therapies.
  • Integrating imaging and reprogramming holds significant potential for future clinical cancer immunotherapy.