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Related Concept Videos

T Cell Activation and Clonal Selection01:22

T Cell Activation and Clonal Selection

17.5K
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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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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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.
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...
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Cell-mediated Immune Responses01:40

Cell-mediated Immune Responses

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Overview
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B Cell Activation and Differentiation01:24

B Cell Activation and Differentiation

18.4K
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...
18.4K
Special Features of Adaptive Immunity01:20

Special Features of Adaptive Immunity

4.5K
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 5, 2026

Mouse Naïve 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

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T cell types that take your breath away.

Anthony K Shum1

  • 1Pulmonary and Critical Care Medicine, University of California, San Francisco, San Francisco, CA 94143-0540, USA. anthony.shum@ucsf.edu.

Science Translational Medicine
|August 21, 2015
PubMed
Summary

A novel T helper cell signature was identified in asthma patients. This discovery suggests that personalized asthma management strategies may significantly improve patient outcomes.

Area of Science:

  • Immunology
  • Respiratory Medicine
  • Personalized Medicine

Background:

  • Asthma is a chronic respiratory disease characterized by airway inflammation.
  • Current asthma management relies on general treatment guidelines.
  • Identifying specific patient subgroups could optimize therapeutic strategies.

Purpose of the Study:

  • To identify a distinct T helper cell signature in asthma patients.
  • To explore the implications of this signature for personalized asthma care.

Main Methods:

  • Analysis of T helper cell populations in asthma patient cohorts.
  • Utilizing advanced immunological profiling techniques.
  • Correlating cellular signatures with clinical asthma phenotypes.

More Related Videos

Discrimination of Seven Immune Cell Subsets by Two-fluorochrome Flow Cytometry
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Discrimination of Seven Immune Cell Subsets by Two-fluorochrome Flow Cytometry

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Evaluation of T Follicular Helper Cells and Germinal Center Response During Influenza A Virus Infection in Mice
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Evaluation of T Follicular Helper Cells and Germinal Center Response During Influenza A Virus Infection in Mice

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Related Experiment Videos

Last Updated: Apr 5, 2026

Mouse Naïve 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

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Discrimination of Seven Immune Cell Subsets by Two-fluorochrome Flow Cytometry
10:58

Discrimination of Seven Immune Cell Subsets by Two-fluorochrome Flow Cytometry

Published on: March 5, 2019

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Evaluation of T Follicular Helper Cells and Germinal Center Response During Influenza A Virus Infection in Mice
07:07

Evaluation of T Follicular Helper Cells and Germinal Center Response During Influenza A Virus Infection in Mice

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Main Results:

  • A novel T helper cell signature was identified in a subset of asthma patients.
  • This signature is associated with specific inflammatory pathways relevant to asthma.
  • The findings indicate heterogeneity in T helper cell responses within the asthma population.

Conclusions:

  • The identified T helper cell signature offers a potential biomarker for asthma.
  • Personalized treatment approaches targeting specific T helper cell profiles may enhance asthma control.
  • Further research is warranted to translate these findings into clinical practice.