Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

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...
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...
Cells of the Adaptive Immune Response01:23

Cells of the Adaptive Immune Response

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...
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,...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Mindsets impact training adaptation and high-pressure performance: beliefs and perceptions of professionals working in elite sport and mission critical teams.

Frontiers in sports and active living·2026
Same author

Effect of high-pressure homogenisation on the behaviour of oleosomes and milk fat globules at an air-water interface.

Lebensmittel-Wissenschaft + [i.e. und] Technologie. Food science + technology. Science + technologie alimentaire·2026
Same author

Experience from an HTS campaign: Investigation of susceptibility and rescue of SARS-CoV-2 nsp3 protease assay from metal contamination.

SLAS technology·2026
Same author

SAMP-Score: a morphology-based machine learning classification method for screening pro-senescence compounds in p16 positive cancer cells.

Aging·2025
Same author

AI and IoT-Driven Monitoring and Visualisation for Optimising MSP Operations in Multi-Tenant Networks: A Modular Approach Using Sensor Data Integration.

Sensors (Basel, Switzerland)·2025
Same author

Direct measurement of two-photon absorption and refraction properties of SZ2080<sup>TM</sup>-based resists at 515 nm: insights into 3D printing.

Nanophotonics (Berlin, Germany)·2025

Related Experiment Video

Updated: May 24, 2026

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

Published on: June 27, 2020

B cells: programmers of CD4 T cell responses.

Tom A Barr1, Mohini Gray, David Gray

  • 1Institute of Immunology and Infection Research, University of Edinburgh, Ashworth Laboratories, King's Buildings, West Mains Road, Edinburgh, EH9 3JT, UK. tom.barr@ed.ac.uk

Infectious Disorders Drug Targets
|March 8, 2012
PubMed
Summary

B cells are crucial for robust CD4 T cell responses, influencing T cell priming and memory beyond antibody production. This review explores non-antibody mediated B cell functions in CD4 T cell immunity.

More Related Videos

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

Generation of Human CD40-activated B cells
13:27

Generation of Human CD40-activated B cells

Published on: October 16, 2009

Related Experiment Videos

Last Updated: May 24, 2026

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

Published on: June 27, 2020

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

Generation of Human CD40-activated B cells
13:27

Generation of Human CD40-activated B cells

Published on: October 16, 2009

Area of Science:

  • Immunology
  • Cell Biology

Background:

  • B cells are increasingly recognized for their role in programming CD4 T cell responses.
  • B cell depletion therapies are effective for various diseases, prompting a re-evaluation of B cell functions.
  • Beyond antibody production, B cells play critical roles in antigen presentation, cytokine secretion, and costimulation.

Purpose of the Study:

  • To review the non-antibody mediated functions of B cells.
  • To investigate how, where, and when B cells influence CD4 T cell responses.

Main Methods:

  • This is a review article, synthesizing existing research on B cell immunobiology.
  • Focuses on literature examining B cell functions beyond antibody secretion.

Main Results:

  • B cells are essential for generating robust and long-lived CD4 T cell responses.
  • Non-antibody mediated functions of B cells significantly impact T cell priming and memory formation.
  • B cell roles include antigen presentation, cytokine secretion, costimulation, and lymphoid tissue development.

Conclusions:

  • B cells are vital immune programmers of CD4 T cell responses, with significant non-antibody mediated functions.
  • Understanding these roles is crucial given the clinical use of B cell depletion therapies.
  • Further research into B cell immunobiology beyond antibody production is warranted.