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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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The adaptive immune response, a sophisticated defense mechanism, relies on the activation and differentiation of B lymphocytes, or B cells. These processes enable our bodies to mount a tailored response against specific pathogens such as bacteria, free virus particles, toxins, and parasites.
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Every normal cell or tissue is embedded in a complex local environment called stroma, consisting of different cell types, a basal membrane, and blood vessels. As normal cells mutate and develop into cancer cells, their local environment also changes to allow cancer progression. The tumor microenvironment (TME) consists of a complex cellular matrix of stromal cells and the developing tumor. The cross-talk between cancer cells and surrounding stromal cells is critical to disrupt normal tissue...
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The T and B lymphocytes of the adaptive immune system develop from common lymphoid progenitor cells in the bone marrow. These progenitors give rise to precursors that eventually develop into both T and B lymphocytes. As these precursors mature, they gain the ability to detect and respond to foreign antigens in the body, a process known as immunocompetence. Additionally, these precursors acquire self-tolerance, a process that ensures they do not react to self-antigens. This intricate system...
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Special Features of Adaptive Immunity01:20

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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.
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Related Experiment Video

Updated: Sep 23, 2025

Flow Cytometry-Based Isolation and Therapeutic Evaluation of Tumor-Infiltrating Lymphocytes in a Mouse Model of Pancreatic Cancer
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B cells and tumor immune escape.

Huiting Li1, Guiyuan Li2, Ping Xu3

  • 1Cancer Research Institute, Central South University, Changsha 410078. lihuiting@csu.edu.cn.

Zhong Nan Da Xue Xue Bao. Yi Xue Ban = Journal of Central South University. Medical Sciences
|May 11, 2022
PubMed
Summary

B cells play dual roles in cancer immunity, with some promoting anti-tumor responses and others aiding tumor immune escape. Targeting B cells with antibody drugs offers a promising avenue for cancer immunotherapy.

Keywords:
B cellsregulatory B celltertiary lymphoid structuretumor immune escape

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Area of Science:

  • Immunology
  • Oncology
  • Cancer Research

Background:

  • B lymphocytes are crucial for specific immunity.
  • Recent advancements highlight the complex roles of B cells in the tumor microenvironment.
  • Understanding B cell functions is key to developing effective cancer therapies.

Purpose of the Study:

  • To elucidate the multifaceted roles of B cells in tumor immunity.
  • To explore the mechanisms by which different B cell subsets influence tumor progression.
  • To assess the therapeutic potential of targeting B cells in cancer immunotherapy.

Main Methods:

  • Review of current literature on B cell subsets and their functions in cancer.
  • Analysis of studies investigating B cell involvement in tumor microenvironment.
  • Evaluation of preclinical and clinical data on B cell-targeting antibody therapies.

Main Results:

  • B cells exhibit dichotomous functions: tertiary lymphoid structures promote anti-tumor immunity, while regulatory B cells facilitate tumor immune escape.
  • Diverse mechanisms are employed by B cells to modulate the tumor microenvironment.
  • Antibody-based B cell therapies show significant promise in preclinical and clinical settings.

Conclusions:

  • B cell populations have distinct and often opposing effects on anti-tumor immunity and tumor immune escape.
  • Targeting specific B cell subsets represents a viable strategy for enhancing cancer immunotherapy.
  • Further research into B cell biology is essential for optimizing antibody drug development for cancer treatment.