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Related Concept Videos

T Cell Types and Functions01:24

T Cell Types and Functions

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...
T Cell Activation and Clonal Selection01:22

T Cell Activation and Clonal Selection

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...
B Cell Activation and Differentiation01:24

B Cell Activation and Differentiation

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...
Cytotoxic T Cells-mediated Immune Response01:27

Cytotoxic T Cells-mediated Immune Response

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...
Cell-mediated Immune Responses01:40

Cell-mediated Immune Responses

Overview
Special Features of Adaptive Immunity01:20

Special Features of Adaptive Immunity

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: May 23, 2026

Mouse Na&#239;ve CD4+ T Cell Isolation and In vitro Differentiation into T Cell Subsets
07:12

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

Published on: April 16, 2015

CD4⁺T cells: differentiation and functions.

Rishi Vishal Luckheeram1, Rui Zhou, Asha Devi Verma

  • 1Department of Gastroenterology, Zhongnan Hospital, Wuhan University School of Medicine, Wuhan 430071, China.

Clinical & Developmental Immunology
|April 5, 2012
PubMed
Summary
This summary is machine-generated.

Naive CD4⁺ T cells differentiate into various subtypes, crucial for immune responses. This process relies on cytokine signaling, transcription factors, and epigenetic changes to regulate effector functions.

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Area of Science:

  • Immunology
  • Molecular Biology

Background:

  • CD4⁺ T cells are vital for adaptive immunity against pathogens.
  • Naive CD4⁺ T cells differentiate into distinct subsets based on microenvironmental cues.

Purpose of the Study:

  • To elucidate the cytokine-signaling pathways and transcription factor networks governing naive CD4⁺ T cell differentiation.
  • To understand the molecular mechanisms underlying T-helper cell subset specification.

Main Methods:

  • Review of current literature on T-cell differentiation.
  • Analysis of cytokine signaling pathways.
  • Investigation of transcription factor roles and epigenetic modifications.

Main Results:

  • Naive CD4⁺ T cells differentiate into subsets like Th1, Th2, Th17, Treg, Tfh, and Th9.
  • Cytokine milieu dictates differentiation through specific signaling cascades.
  • Lineage-specific transcription factors and epigenetic changes are essential for phenotype commitment.

Conclusions:

  • Cytokine signaling and transcription factor networks are central to CD4⁺ T cell subset differentiation.
  • Understanding these pathways is key to controlling immune responses and developing therapies.