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Related Concept Videos

T Cell Types and Functions01:24

T Cell Types and Functions

1.0K
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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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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Cell-mediated Immune Responses01:40

Cell-mediated Immune Responses

68.2K
Overview
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Special Features of Adaptive Immunity01:20

Special Features of Adaptive Immunity

809
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,...
809
B Cell Activation and Differentiation01:24

B Cell Activation and Differentiation

1.7K
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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Related Experiment Video

Updated: Jun 28, 2025

Mouse Naïve CD4+ T Cell Isolation and In vitro Differentiation into T Cell Subsets
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Mouse Naïve CD4+ T Cell Isolation and In vitro Differentiation into T Cell Subsets

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T Cell Subsets and Immune Homeostasis.

Chuyu Wu1,2, Mei-Ling Jiang1, Tao Pang2

  • 1Department of Neurology, Sichuan Provincial People's Hospital, University of Electronic Science and Technology of China, Chengdu, Sichuan, China.

Methods in Molecular Biology (Clifton, N.J.)
|April 15, 2024
PubMed
Summary

T cells are diverse immune cells crucial for health. Understanding their subtypes and functions is key to maintaining immune balance, preventing disease, and fighting tumors.

Keywords:
Helper T cellsImmune homeostasisT cell subsetT cells

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Determination of Regulatory T Cell Subsets in Murine Thymus, Pancreatic Draining Lymph Node and Spleen Using Flow Cytometry
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Determination of Regulatory T Cell Subsets in Murine Thymus, Pancreatic Draining Lymph Node and Spleen Using Flow Cytometry

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Isolation and Th17 Differentiation of Naïve CD4 T Lymphocytes
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Related Experiment Videos

Last Updated: Jun 28, 2025

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Determination of Regulatory T Cell Subsets in Murine Thymus, Pancreatic Draining Lymph Node and Spleen Using Flow Cytometry
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Area of Science:

  • Immunology
  • Cell Biology
  • Homeostasis

Background:

  • T cells are a heterogeneous group of immune cells vital for adaptive immunity.
  • Immune homeostasis, regulated by complex networks, is essential for preventing autoimmunity and tumor formation.
  • Proper T cell function is critical for maintaining overall immune system stability and protective responses.

Purpose of the Study:

  • To summarize the functions of key T cell subsets.
  • To elucidate the impact of these T cell subsets on immune homeostasis.
  • To highlight the importance of T cell heterogeneity in immune regulation.

Main Methods:

  • Review of existing literature on T cell classification and function.
  • Analysis of characterized T cell subsets and their roles in immune responses.
  • Synthesis of data on T cell impact on immune homeostasis.

Main Results:

  • Characterization of various T cell subsets with distinct functions.
  • Demonstration of the significant role of specific T cell subsets in maintaining immune homeostasis.
  • Evidence for the link between T cell subset dysregulation and immune-related pathologies.

Conclusions:

  • Understanding T cell heterogeneity is fundamental to comprehending immune system regulation.
  • Key T cell subsets play critical roles in promoting protective immunity and preventing autoimmunity.
  • Further research into T cell subsets will advance strategies for managing immune disorders and cancer.