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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

Cells of the Adaptive Immune Response

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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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Special Features of Adaptive Immunity01:20

Special Features of Adaptive Immunity

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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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Lymphoid Cells and Tissues01:18

Lymphoid Cells and Tissues

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Lymphoid cells and tissues are integral to the immune system, which is crucial in maintaining our body's defense against harmful pathogens. They form the building blocks of lymphoid organs, which include the spleen, thymus, and lymph nodes.
Lymphoid cells consist of various types of immune system cells. These include B and T lymphocytes, which are responsible for producing antibodies and killing infected cells, respectively. Dendritic cells act as messengers between the innate and adaptive...
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Immunological Memory01:23

Immunological Memory

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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...
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T Cell Activation and Clonal Selection01:22

T Cell Activation and Clonal Selection

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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.
Naive T cells that have not yet encountered an antigen express two primary CD...
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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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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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Development and function of tissue-resident memory B cells.

Changfeng Chen1, Brian J Laidlaw1

  • 1Division of Allergy and Immunology, Department of Medicine, Washington University School of Medicine, St. Louis, MO, United States.

Advances in Immunology
|November 10, 2022
PubMed
Summary
This summary is machine-generated.

Tissue-resident memory B cells offer robust protection against infections at barrier sites. New vaccine strategies aim to harness these cells for enhanced immunity against pathogens and non-infectious diseases.

Keywords:
B cellBarrier tissueGerminal centerImmunological memoryMemory B cellMucosal immunityTissue-residentVaccination

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Last Updated: Aug 22, 2025

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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Area of Science:

  • Immunology
  • Vaccinology
  • Infectious Disease

Background:

  • Barrier tissues are initial sites for pandemic pathogens.
  • Current vaccines primarily induce circulating antibodies, which decline over time.
  • This decline increases susceptibility to breakthrough infections from evolving viral strains.

Purpose of the Study:

  • To review the significance of tissue-resident memory B cells in protective immunity.
  • To explore their role in non-infectious disease progression.
  • To discuss novel vaccine approaches for barrier immunity.

Main Methods:

  • Literature review of emerging evidence on tissue-resident memory B cells.
  • Analysis of their function in viral and bacterial challenge models.
  • Discussion of their involvement in non-infectious disease contexts.

Main Results:

  • Memory B cells can reside in tissues after infection, forming a local immune memory.
  • Tissue-resident memory B cells provide rapid and effective protection against reinfection.
  • These cells also play a role in modulating non-infectious disease progression.

Conclusions:

  • Tissue-resident memory B cells are crucial for long-term protective immunity at barrier sites.
  • Developing vaccines that induce barrier immunity is essential for pandemic preparedness.
  • Further research into tissue-resident memory B cells can inform next-generation vaccine design.