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Related Concept Videos

B Cell Activation and Differentiation01:24

B Cell Activation and Differentiation

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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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Cells of the Adaptive Immune Response01:23

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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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The human immune system is a complex network of cells, tissues, and organs that work together to defend the body against bacterial infections. It consists of various immune cells, each playing a specific role in the defense mechanism.
Phagocytes
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T Cell Activation and Clonal Selection01:22

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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.
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Related Experiment Video

Updated: Mar 31, 2026

Studying Organelle Dynamics in B Cells During Immune Synapse Formation
15:39

Studying Organelle Dynamics in B Cells During Immune Synapse Formation

Published on: June 1, 2019

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B cells assume the command.

Ari Waisman1, Thomas Korn2

  • 1Institute for Molecular Medicine, University Medical Center of the Johannes Gutenberg-University of Mainz, 55131 Mainz, Germany. waisman@uni-mainz.de.

Science Translational Medicine
|October 23, 2015
PubMed
Summary
This summary is machine-generated.

A specific B cell cytokine triggers autoimmune diseases. Depleting these B cells effectively treats multiple sclerosis, offering a new therapeutic approach.

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The Isolation, Differentiation, and Quantification of Human Antibody-secreting B Cells from Blood: ELISpot as a Functional Readout of Humoral Immunity
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Flow Cytometric Characterization of Murine B Cell Development
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Related Experiment Videos

Last Updated: Mar 31, 2026

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Area of Science:

  • Immunology
  • Neuroscience

Background:

  • B cells play a critical role in immune responses.
  • Aberrant B cell activity is implicated in autoimmune conditions.

Purpose of the Study:

  • To investigate the role of a specific B cell cytokine in activating autoimmunity.
  • To evaluate the efficacy of B cell depletion as a treatment for multiple sclerosis.

Main Methods:

  • Analysis of B cell cytokine production.
  • Experimental B cell depletion models.
  • Assessment of disease activity in multiple sclerosis models.

Main Results:

  • A key proinflammatory B cell cytokine was identified as a driver of autoimmunity.
  • B cell depletion demonstrated significant therapeutic effects in treating multiple sclerosis.

Conclusions:

  • Targeting B cell-derived cytokines represents a potential strategy for autoimmune disease treatment.
  • B cell depletion therapy holds promise for managing multiple sclerosis.