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Regulation of Hematopoietic Stem Cells01:01

Regulation of Hematopoietic Stem Cells

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All blood and immune cells are produced from the multipotent hematopoietic stem cells (HSCs) by the process of hematopoiesis. However, they all have a limited life span. In addition, many are depleted in immune surveillance or combatting an injury or infection. This makes blood one of the most regenerative tissues. Hematopoiesis helps replenish these blood and immune cells, restoring the body's normal functioning. However, overproduction of blood and immune cells can make them cancerous or...
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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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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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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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Cell-mediated Immune Responses01:40

Cell-mediated Immune Responses

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Overview
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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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Related Experiment Video

Updated: Jan 16, 2026

Development of an Insert Co-culture System of Two Cellular Types in the Absence of Cell-Cell Contact
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Development of an Insert Co-culture System of Two Cellular Types in the Absence of Cell-Cell Contact

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Immune cell interactions in development, homeostasis and immunity.

Edward Jenkins1, Clare Latta2, Hoang Anh Le3

  • 1Kennedy Institute of Rheumatology, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford OX3 7FY, UK.

Journal of Cell Science
|October 1, 2025
PubMed
Summary

Researchers explored immune cell interactions in development, homeostasis, and immunity. Understanding these dynamics is crucial for advancing biological concepts and host defense mechanisms.

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Area of Science:

  • * Immunology and Developmental Biology
  • * Cellular and Molecular Biology

Background:

  • * Immune cells are critical for physiological processes, including development and host immunity.
  • * Comprehending dynamic interactions among immune cell subsets is essential for biological understanding.

Purpose of the Study:

  • * To discuss novel research on immune cell interactions in development, homeostasis, and immunity.
  • * To provide perspectives from early-career researchers on key themes in immune cell biology.

Main Methods:

  • * A workshop format facilitated discussions among leading researchers.
  • * Focus on diverse specialities: stem cell biology, morphogenesis, cell migration, innate and adaptive immunity, and neurobiology.

Main Results:

  • * Exploration of cutting-edge studies on immune cell dynamics.
  • * Identification of major themes and discussion points in immune cell interactions.

Conclusions:

  • * Enhanced insight into immune cell interactions is vital for advancing biological knowledge.
  • * Interdisciplinary discussions foster novel research directions in immunology and related fields.