Related Experiment Video
Updated: Jul 5, 2026
10:25
Competitive Homing Assays to Study Gut-tropic T Cell Migration
Published on: March 1, 2011
Dendritic cell migration and lymphocyte homing imprinting.
Eduardo J Villablanca1, Vincenzo Russo, J Rodrigo Mora
1Cancer Gene Therapy Unit, Scientific Institute H. San Raffaele, San Raffaele, Milan, Italy.
Histology and Histopathology
|April 26, 2008
Summary
Dendritic cells (DCs) migrate to lymphoid organs to activate immune cells. Understanding DC migration mechanisms is crucial for developing effective DC-based vaccines and understanding disease.
Area of Science:
- Immunology
- Cell Biology
- Molecular Biology
Background:
- Effective adaptive immune responses rely on dendritic cells (DCs), the primary antigen-presenting cells.
- DCs must migrate from peripheral tissues to secondary lymphoid organs (SLOs) to activate naive lymphocytes.
- While lymphocyte homing mechanisms are well-understood, DC migration control remains less clear.
Purpose of the Study:
- To explore the molecular mechanisms governing dendritic cell (DC) migration.
- To investigate whether DCs utilize similar or distinct cues compared to lymphocytes for tissue homing.
- To highlight the therapeutic implications of understanding DC migration for vaccine development.
Main Methods:
- This study is a review and discussion of existing literature on DC migration.
- It synthesizes current knowledge on the molecular mechanisms of DC trafficking.
- It explores the concept of tissue-specific DC 'education' and its role in imprinting lymphocyte homing.
Main Results:
- DCs employ specific mechanisms to migrate to target tissues, distinct from lymphocyte homing cues.
- Tissue microenvironments educate DCs, influencing their functional properties and imprinting lymphocytes for specific tissue migration.
- Dysregulation of DC migration signals is implicated in various diseases.
Conclusions:
- Understanding DC migration pathways is essential for advancing DC-based immunotherapy.
- Tissue-specific DC education plays a critical role in immune cell trafficking and function.
- Further research into DC migration dysregulation could reveal new therapeutic targets for immune-related diseases.
Related Concept Videos
01:31Immunoglobulin-like Cell Adhesion Molecules
Immunoglobulin-like cell adhesion molecules or Ig-CAMs are a versatile group of cell surface glycoproteins belonging to the immunoglobulin protein superfamily. Ig-CAMs possess the characteristic immunoglobulin protein domains and other domains such as the fibronectin type III domain. The Ig domains are glycosylated to varying degrees in different Ig-CAMs.
Ig-CAMs exhibit either homophilic binding (to other Ig-CAMs) or heterophilic binding (to other ligands such as integrins). While most Ig-CAMs...
Ig-CAMs exhibit either homophilic binding (to other Ig-CAMs) or heterophilic binding (to other ligands such as integrins). While most Ig-CAMs...
01:21Chemotaxis and Direction of Cell Migration
Cells can detect chemical cues in their environment and reorganize the cytoskeleton to migrate toward them or away from them. This directional migration, called chemotaxis, is essential during embryogenesis and development, immune response, tissue repair and regeneration, and reproduction. These chemical cues can either attract or repel the cell's movement. For example, axon development is determined by a combination of chemoattractants and chemorepellents that direct the growing axon towards...
01:22T 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...
Naive T cells that have not yet encountered an antigen express two primary CD...
01:09Cell Migration
Cell migration, the process by which cells move from one location to another, is essential for the proper development and viability of organisms throughout their life. When cells are not able to migrate properly to their ordained locations, various disorders may occur. For example, disruption in cell migration causes chronic inflammatory diseases such as arthritis.
01:19Cell Migration
Cell migration is a process by which the cells move from one location to another, playing an essential role in embryological development, repair and regeneration, immune response, and metastasis. Cells migrate in response to chemical or mechanical signals generated by specific organs or tissues. The overall mechanism includes three steps - polarization, protrusion, and release. Polarization involves the formation of a distinct cell front and rear, which determines the direction of movement.
01:23Cells 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...