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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...
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...
Differentiation of Common Myeloid Progenitor Cells01:15

Differentiation of Common Myeloid Progenitor Cells

Common myeloid progenitors (CMPs) are oligopotent cells that can differentiate into granulocytes and macrophages. Granulocytes and macrophages are essential for protecting the body against bacterial, viral, or fungal infections. They migrate from the bone marrow into the circulating blood to reach specific tissue sites where they differentiate and help in immune surveillance. However, they survive only for a few days and must be continuously made available to the organism to maintain a robust...
Humoral Immune Responses01:36

Humoral Immune Responses

Overview
Production of Formed Elements01:34

Production of Formed Elements

Hemangioblasts are multipotent stem cells originating from the mesoderm. They give rise to hematopoietic stem cells (HSCs), which undergo hematopoiesis to produce all the formed elements of blood. This process is regulated by a complex network of hematopoietic growth factors, including transcription factors, growth factors, and cytokines. These factors stimulate the HSCs to divide and differentiate, though some HSCs remain undifferentiated to maintain a self-renewing pool.
Most HSCs commit to...

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Related Experiment Video

Updated: Jun 10, 2026

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

Plasma cell development and survival.

Sarah A Oracki1, Jennifer A Walker, Margaret L Hibbs

  • 1The Walter and Eliza Hall Institute of Medical Research, 1G Royal Parade, Parkville, Australia.

Immunological Reviews
|August 24, 2010
PubMed
Summary
This summary is machine-generated.

Two distinct pathways generate plasma cells for humoral immunity. These routes produce short-lived, low-affinity antibody-secreting cells or long-lived, high-affinity antibody-secreting cells, impacting immune response duration and effectiveness.

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Flow Cytometric Characterization of Murine B Cell Development
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Flow Cytometric Characterization of Murine B Cell Development

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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

Published on: December 14, 2016

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Last Updated: Jun 10, 2026

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

Flow Cytometric Characterization of Murine B Cell Development
08:25

Flow Cytometric Characterization of Murine B Cell Development

Published on: January 22, 2021

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

Area of Science:

  • Immunology
  • Cell Biology

Background:

  • Plasma cells are crucial for humoral immunity.
  • Recent research highlights the complexity of plasma cell development.
  • Not all plasma cells are functionally identical.

Purpose of the Study:

  • To elucidate the distinct developmental pathways of plasma cells.
  • To understand how these pathways influence plasma cell phenotype and function.
  • To investigate the factors dictating B cell differentiation routes.

Main Methods:

  • The study discusses in vivo observations of plasma cell differentiation.
  • It analyzes B cell phenotypic subsets, antigen characteristics, and B-cell receptor affinity.
  • The research focuses on comparing the outcomes of extra-follicular and germinal center pathways.

Main Results:

  • Two primary plasma cell developmental routes exist: extra-follicular and germinal center.
  • The extra-follicular pathway yields short-lived plasma cells with low-affinity antibodies.
  • The germinal center pathway generates long-lived plasma cells with high-affinity antibodies.

Conclusions:

  • Plasma cell differentiation pathways significantly impact antibody quality, cell survival, and location.
  • The germinal center route allows for immune signal integration, leading to more effective and persistent humoral immunity.
  • Further research is needed to understand the molecular mechanisms governing these distinct plasma cell properties.