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Related Concept Videos

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...
Vaccines01:21

Vaccines

Vaccines are among the most effective tools in preventive medicine, designed to prepare the immune system to recognize and combat infectious agents. By introducing antigens—substances that the immune system identifies as foreign—vaccines stimulate an adaptive immune response that leads to immunological memory. This immunological memory enables the body to mount a faster and more effective response upon future exposures to the actual pathogen.Vaccines can be categorized based on the type of...
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...
Active versus Passive Immunity01:31

Active versus Passive Immunity

Immunity, along with the ability to limit pathogen growth to prevent significant body tissue damage, can be gained either by (1) actively developing an immune response within the individual after exposure to a pathogen or after getting vaccinated or (2) passively transferring immune components from an immune individual to one who is nonimmune. Both these forms of immunity can be found naturally and in medical practices.
Active Immunity
Active immunity refers to the resistance one develops...
Vaccinations01:51

Vaccinations

Overview
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...

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Related Experiment Video

Updated: Jun 28, 2026

Application of Long-term cultured Interferon-&#947; Enzyme-linked Immunospot Assay for Assessing Effector and Memory T Cell Responses in Cattle
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Application of Long-term cultured Interferon-γ Enzyme-linked Immunospot Assay for Assessing Effector and Memory T Cell Responses in Cattle

Published on: July 11, 2015

Maintenance of serological memory.

Jens Wrammert1, Rafi Ahmed

  • 1Emory Vaccine Center and Department of Microbiology and Immunology, Emory University School of Medicine, Atlanta, Georgia 30322, USA. wrammert@microbio.emory.edu

Biological Chemistry
|October 28, 2008
PubMed
Summary
This summary is machine-generated.

Long-lived plasma cells ensure lifelong immunity by maintaining stable antibody levels. How these cells persist and make space for new ones in bone marrow remains under investigation.

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Area of Science:

  • Immunology
  • Cell Biology

Background:

  • Long-lived plasma cells are crucial for sustained humoral immunity following infection or vaccination.
  • Stable antibody levels throughout life indicate effective long-term plasma cell maintenance.

Purpose of the Study:

  • To review the current understanding of long-lived plasma cell maintenance mechanisms.
  • To explore how space is created for new plasma cells without depleting existing ones in the bone marrow.

Main Methods:

  • Literature review of existing research on plasma cell biology and bone marrow niches.
  • Analysis of immunological memory and antibody persistence.

Main Results:

  • The mechanisms for sustained long-lived plasma cell maintenance are not fully elucidated.
  • The process of generating space for new plasma cells within the bone marrow is an unresolved question.

Conclusions:

  • Further research is needed to understand the long-term survival strategies of plasma cells.
  • Investigating plasma cell dynamics is essential for improving vaccine efficacy and understanding immunological memory.