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Related Concept Videos

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...
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...
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,...
Diversity of Antigen Receptors01:28

Diversity of Antigen Receptors

Antigen receptors are essential components of the immune system crucial in defending the body against foreign invaders. These receptors are present on the surface of B and T cells, enabling them to recognize antigens and mount an appropriate immune response.
Before encountering any antigen, lymphocytes express these receptors. On B cells, the antigen receptor is a membrane-bound antibody molecule called BCR; on T cells, it is a T cell receptor or TCR. B and T cell receptors are composed of two...
Immunological Memory01:23

Immunological Memory

Immunological memory, a pivotal pillar of the adaptive immune system, is responsible for the body's ability to remember and respond more swiftly and effectively to previously encountered pathogens. This remarkable feature is what makes vaccines so effective in preventing diseases.
What is Immunological Memory?
Immunological memory is an integral function of the immune system that allows it to recognize and react more rapidly and effectively to pathogens previously encountered. This feature is...
Cell-mediated Immune Responses01:40

Cell-mediated Immune Responses

Overview

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Related Experiment Video

Updated: May 7, 2026

The Isolation, Differentiation, and Quantification of Human Antibody-secreting B Cells from Blood: ELISpot as a Functional Readout of Humoral Immunity
08:26

The Isolation, Differentiation, and Quantification of Human Antibody-secreting B Cells from Blood: ELISpot as a Functional Readout of Humoral Immunity

Published on: December 14, 2016

Diversity among memory B cells: origin, consequences, and utility.

David Tarlinton1, Kim Good-Jacobson

  • 1The Walter and Eliza Hall Institute of Medical Research, Parkville, Victoria, Australia. tarlinton@wehi.edu.au

Science (New York, N.Y.)
|September 14, 2013
PubMed
Summary
This summary is machine-generated.

Immunological memory, crucial for immunity, involves diverse memory B cell types. Understanding their varied development and function can lead to improved, targeted vaccines.

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In Vitro Differentiation Model of Human Normal Memory B Cells to Long-lived Plasma Cells
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Detection and Enrichment of Rare Antigen-specific B Cells for Analysis of Phenotype and Function

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Related Experiment Videos

Last Updated: May 7, 2026

The Isolation, Differentiation, and Quantification of Human Antibody-secreting B Cells from Blood: ELISpot as a Functional Readout of Humoral Immunity
08:26

The Isolation, Differentiation, and Quantification of Human Antibody-secreting B Cells from Blood: ELISpot as a Functional Readout of Humoral Immunity

Published on: December 14, 2016

In Vitro Differentiation Model of Human Normal Memory B Cells to Long-lived Plasma Cells
10:26

In Vitro Differentiation Model of Human Normal Memory B Cells to Long-lived Plasma Cells

Published on: January 20, 2019

Detection and Enrichment of Rare Antigen-specific B Cells for Analysis of Phenotype and Function
09:25

Detection and Enrichment of Rare Antigen-specific B Cells for Analysis of Phenotype and Function

Published on: February 16, 2017

Area of Science:

  • Immunology
  • Cell Biology

Background:

  • Immunological memory is essential for adaptive immunity, persisting after infection or vaccination.
  • B cell lineage memory involves long-lived plasma cells and memory B cells.
  • Existing memory B cells show heterogeneity in immunoglobulin isotype, location, and germinal center passage.

Purpose of the Study:

  • To explore the heterogeneity in memory B cell development and phenotype.
  • To investigate functional partitioning among distinct memory B cell subsets.
  • To identify how understanding memory generation can inform vaccine development.

Main Methods:

  • Comparative analysis of memory B cell populations.
  • Phenotypic characterization of B cell subsets.
  • Functional assays to assess B cell responses.

Main Results:

  • Distinct classes of memory B cells exist with varied characteristics.
  • Heterogeneity in memory B cell development and phenotype is observed.
  • Functional specialization may exist within different memory B cell subsets.

Conclusions:

  • Memory B cell populations are heterogeneous, impacting immune responses.
  • Understanding this heterogeneity is key to developing targeted vaccines.
  • Further research into memory B cell subsets can optimize vaccine efficacy.