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Related Concept Videos

B Cell Activation and Differentiation01:24

B Cell Activation and Differentiation

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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.
When naive B cells encounter a specific antigen that can bind to the B cell receptor (BCR) on their surface, they undergo sensitization to respond to the antigen's presence. Sensitization begins with...
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Cells of the Adaptive Immune Response01:23

Cells of the Adaptive Immune Response

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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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What is Cancer?02:12

What is Cancer?

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Cells and tissues must meticulously coordinate their activities for the normal functioning of the human body. Therefore, they exhibit socially responsible behavior - resting, growing, dividing, differentiating, or dying - for the organism’s benefit. Cancer arises when cells divide uncontrollably and invade other tissues or organs.
Although people have known about cancer for centuries, it was only in 1761 that Giovanni Morgagni of Padua performed a detailed autopsy of...
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Cancer Stem Cells and Tumor Maintenance02:40

Cancer Stem Cells and Tumor Maintenance

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Early diagnosis and treatment can often cure cancer. However, even with treatment, residual cells called cancer stem cells (CSC) might remain, often causing tumor recurrence. These cancer stem cells possess the potential for self-renewal and multi-lineage differentiation and are often responsible for the therapeutic resistance displayed in most cancers.
Cancer stem cells are thought to originate from tissue-specific normal stem cells or progenitor cells. The normal stem cells usually reside in...
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Defense Against Bacterial Pathogens01:31

Defense Against Bacterial Pathogens

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The human immune system is a complex network of cells, tissues, and organs that work together to defend the body against bacterial infections. It consists of various immune cells, each playing a specific role in the defense mechanism.
Phagocytes
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Targeted Cancer Therapies02:57

Targeted Cancer Therapies

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The targeted cancer therapies, also known as “molecular targeted therapies,” take advantage of the molecular and genetic differences between the cancer cells and the normal cells. It needs a thorough understanding of the cancer cells to develop drugs that can target specific molecular aspects that drive the growth, progression, and spread of cancer cells without affecting the growth and survival of other normal cells in the body.
There are several types of targeted therapies against...
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Related Experiment Video

Updated: Oct 18, 2025

In Vivo Immunofluorescence Localization for Assessment of Therapeutic and Diagnostic Antibody Biodistribution in Cancer Research
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In Vivo Immunofluorescence Localization for Assessment of Therapeutic and Diagnostic Antibody Biodistribution in Cancer Research

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B cells and cancer.

Victor Engelhard, Jose R Conejo-Garcia, Rafi Ahmed

    Cancer Cell
    |October 1, 2021
    PubMed
    Summary

    Tumor-infiltrating B cells enhance T cell immunity against tumors. Experts discuss their complex roles in the tumor microenvironment and links to immunotherapy effectiveness.

    Area of Science:

    • Immunology
    • Oncology
    • Cancer Research

    Background:

    • Tumor-infiltrating lymphocytes (TILs) are crucial for anti-tumor immunity.
    • B cells are increasingly recognized for their multifaceted roles within the tumor microenvironment (TME).

    Purpose of the Study:

    • To provide expert perspectives on the complex functions of tumor-infiltrating B cells.
    • To explore the mechanisms by which B cells influence tumor growth and progression.
    • To examine the role of tertiary lymphoid structures (TLS) in B cell-mediated immunity and their association with immunotherapy outcomes.

    Main Methods:

    • Expert opinion and review of current literature.
    • Discussion of immunological mechanisms.
    • Analysis of B cell infiltration and organization within tumors.

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    Main Results:

    • B cells exhibit diverse functions, including direct tumor cell killing, antibody production, and cytokine secretion.
    • The organization of B cells into tertiary lymphoid structures (TLS) is associated with improved anti-tumor responses.
    • Tumor-infiltrating B cells show a significant correlation with patient responses to various immunotherapies.

    Conclusions:

    • Tumor-infiltrating B cells are critical components of the anti-tumor immune response.
    • Understanding B cell complexity in the TME is vital for developing effective cancer immunotherapies.
    • Targeting or enhancing B cell functions, particularly within TLS, may improve clinical outcomes.