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Related Concept Videos

Tumor Immunotherapy01:27

Tumor Immunotherapy

2.5K
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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Cytotoxic T Cells-mediated Immune Response01:27

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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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Cancer Vaccines01:30

Cancer Vaccines

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Cancer treatment vaccines are a rapidly evolving field that offers a promising approach to immunotherapy. Unlike traditional vaccines that prevent diseases, cancer treatment vaccines are designed to treat existing cancers by stimulating the immune system to recognize and attack cancer cells.
Cancer vaccines come in two categories: preventive (prophylactic) and treatment (active). Preventive vaccines, such as the Human Papillomavirus (HPV) vaccine, protect against viruses that cause certain...
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T Cell Activation and Clonal Selection01:22

T Cell Activation and Clonal Selection

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T cells are integral to our adaptive immune system, recognizing and effectively responding to foreign antigens. T cell activation and clonal selection are pivotal in orchestrating this immune response. This article elucidates these mechanisms, detailing the roles of cluster of differentiation (CD) markers, major histocompatibility complex (MHC) molecules, costimulatory signals, and the process of clonal selection.
Naive T cells that have not yet encountered an antigen express two primary CD...
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Related Experiment Video

Updated: Apr 27, 2026

Preparation of Tumor Antigen-loaded Mature Dendritic Cells for Immunotherapy
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Radiation as immunomodulator: implications for dendritic cell-based immunotherapy.

Robert E Roses1, Jashodeep Datta, Brian J Czerniecki

  • 1a  Department of Surgery, University of Pennsylvania, Philadelphia, Pennsylvania.

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Cancer immunotherapy is advancing, with innate immunity and dendritic cell strategies showing promise. Combining radiation therapy with immunotherapy may enhance anti-tumor responses by modulating the tumor microenvironment and immune cells.

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Area of Science:

  • Immunology
  • Oncology
  • Radiotherapy

Background:

  • Cancer immunotherapy has seen significant advancements, driven by harnessing innate immune responses.
  • Multimodality cancer therapy is gaining traction, combining novel immunotherapeutics with conventional treatments.
  • The role of radiation therapy is being re-evaluated from immunosuppressive to potentially immune-enhancing.

Purpose of the Study:

  • To review progress in dendritic cell-based immunotherapy.
  • To examine evidence for radiation-induced anti-tumor immunity and Toll-like receptor (TLR) signaling.
  • To explore rational integration of radiation into dendritic cell immunotherapy strategies.

Main Methods:

  • Literature review of recent advancements in cancer immunotherapy.
  • Analysis of studies on radiation therapy's impact on the immune system.
  • Examination of dendritic cell biology and TLR signaling pathways in cancer.

Main Results:

  • Radiation therapy can enhance tumor-associated antigen expression and target tumor stroma.
  • Radiation may reduce regulatory T-cell activity and activate innate immune cells like dendritic cells via TLRs.
  • Emerging evidence supports radiation's potential to induce anti-tumor immunity.

Conclusions:

  • Integrating radiation therapy into dendritic cell-based immunotherapy strategies holds significant potential.
  • Radiation can act as an adjunct to immunotherapy by modulating the tumor microenvironment and immune responses.
  • Further research is warranted to optimize combination strategies for improved cancer treatment outcomes.