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Updated: May 19, 2026

Microdissection and Whole Mount Scanning Electron Microscopy Visualization of Mouse Choroid Plexus
06:45

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Published on: December 16, 2022

Cell trafficking through the choroid plexus.

Rick B Meeker1, Kimberly Williams, Deirdre A Killebrew

  • 1Department of Neurology, University of North Carolina, Chapel Hill, NC, USA. meekerr@neurology.unc.edu

Cell Adhesion & Migration
|August 21, 2012
PubMed
Summary
This summary is machine-generated.

The choroid plexus regulates immune cell entry into the brain's cerebrospinal fluid (CSF). Understanding its epithelial cells, macrophages, and dendritic cells offers new therapeutic strategies for CNS immune disorders.

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Published on: May 6, 2016

Area of Science:

  • Neuroimmunology
  • Cerebrospinal Fluid (CSF) Dynamics
  • Blood-Brain Barrier Research

Background:

  • The choroid plexus is a critical interface between blood and CSF, regulating immune cell entry into the central nervous system (CNS).
  • It plays a key role in immune surveillance and trafficking of immune cells like T cells, macrophages, and dendritic cells.
  • Mechanisms controlling immune cell trafficking through the choroid plexus are not well understood.

Purpose of the Study:

  • To investigate the roles of choroid plexus epithelial cells, macrophages, and dendritic cells in controlling immune responses within the CNS.
  • To elucidate the mechanisms governing immune cell trafficking across the blood-CSF barrier.
  • To identify potential therapeutic targets for CNS immune-related diseases.

Main Methods:

  • Analysis of adhesion molecule and chemokine expression by choroid plexus epithelial cells.
  • Investigation of antigen-presenting capabilities of resident macrophages and dendritic cells.
  • Study of immune cell transmigration across the blood-CSF barrier.

Main Results:

  • Choroid plexus epithelial cells utilize adhesion molecules and chemokines to control immune cell selection and transmigration.
  • Resident macrophages and dendritic cells within the choroid plexus can present antigens.
  • These cells may migrate into the ventricles to perform various immune functions.

Conclusions:

  • Choroid plexus epithelial cells, macrophages, and dendritic cells are key regulators of CNS immune responses.
  • Understanding these cell types and their interactions can lead to novel therapeutic interventions.
  • Targeting choroid plexus immune functions may offer new strategies for managing neurological diseases.