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Related Concept Videos

T Cell Types and Functions01:24

T Cell Types and Functions

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When T cells with CD4 markers are activated, they give rise to two types of effector cells: helper T cells and regulatory T cells. Meanwhile, T cells with CD8 markers differentiate into effector cytotoxic T cells. The differentiation of CD4 T cells into helper T cell subsets, such as Th1, Th2, and Th17 cells, is dependent on the antigen type, antigen-presenting cell, and regulatory cytokines.
Th1 cells stimulate dendritic cells to express necessary co-stimulatory molecules on their surfaces for...
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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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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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Cell-mediated Immune Responses01:40

Cell-mediated Immune Responses

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Overview
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Cytotoxic T Cells-mediated Immune Response01:27

Cytotoxic T Cells-mediated Immune Response

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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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Special Features of Adaptive Immunity01:20

Special Features of Adaptive Immunity

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The adaptive immune system, a crucial component of the overall immune response, offers a highly specialized defense against pathogens. It involves specific cell types and features, enabling it to combat infections effectively and efficiently.
The primary cell types involved in adaptive immunity are T cells and B cells. Each type has a unique role in defending the body against pathogens. T cells are responsible for cell-mediated immunity. They identify and eliminate infected cells directly,...
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Related Experiment Video

Updated: Apr 22, 2026

Evaluation of Tumor-infiltrating Leukocyte Subsets in a Subcutaneous Tumor Model
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Evaluation of Tumor-infiltrating Leukocyte Subsets in a Subcutaneous Tumor Model

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T-cell subsets in tumour rejection responses.

R A Robins1, R W Baldwin

  • 1Cancer Research Campaign Laboratories, University of Nottingham, Nottingham, NG7 2RD, UK.

Immunology Today
|October 8, 2014
PubMed
Summary
This summary is machine-generated.

Tumor rejection involves T-cell subsets, with cytotoxic T-cells (CTLs) being key. Monoclonal antibodies aid in evaluating CTLs

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Last Updated: Apr 22, 2026

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In Vitro Tumor Cell Rechallenge For Predictive Evaluation of Chimeric Antigen Receptor T Cell Antitumor Function
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In Vitro Tumor Cell Rechallenge For Predictive Evaluation of Chimeric Antigen Receptor T Cell Antitumor Function

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Area of Science:

  • Immunology
  • Oncology
  • Cell Biology

Background:

  • The precise roles of T-cell subsets in tumor rejection have been debated.
  • Tumor rejection responses are T-cell mediated, with limited evidence for antibody-dependent mechanisms.
  • Cytotoxic T-cells (CTLs) are the primary candidates for tumor cell destruction due to their specificity.

Purpose of the Study:

  • To evaluate the role of CTLs in tumor rejection.
  • To discuss the involvement of T-cell subsets in anti-tumor immune responses.

Main Methods:

  • Utilized monoclonal antibodies to differentiate T-cell subsets.
  • Functional separation of T cells into helper and suppressor/cytotoxic subsets.

Main Results:

  • Monoclonal antibodies facilitated a more direct evaluation of CTL function in tumor rejection.
  • The study provides insights into the specific mechanisms of T-cell mediated tumor immunity.

Conclusions:

  • CTLs play a crucial role in T-cell mediated tumor rejection.
  • Further research into T-cell subsets is essential for understanding and enhancing anti-tumor immunity.