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Mucosal Chemokines.

Marcela Hernández-Ruiz1, Albert Zlotnik1

  • 1Department of Physiology and Biophysics, Institute of Immunology, University of California , Irvine, Irvine, California.

Journal of Interferon & Cytokine Research : the Official Journal of the International Society for Interferon and Cytokine Research
|February 17, 2017
PubMed
Summary
This summary is machine-generated.

Four key chemokines (CCL25, CCL28, CXCL14, and CXCL17) are vital for mucosal immunity, regulating immune cell trafficking and function in various tissues. Their roles in maintaining gut and mammary gland health highlight their therapeutic potential.

Keywords:
CCL25CCL28CXCL14CXCL17Mucosachemokines

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Area of Science:

  • Immunology
  • Molecular Biology

Background:

  • Chemokines are crucial for immune cell migration and function in mucosal tissues.
  • Four specific chemokines—CCL25, CCL28, CXCL14, and CXCL17—are homeostatically expressed in mucosal tissues, suggesting specialized roles.

Purpose of the Study:

  • To review the physiology and function of four key homeostatically expressed mucosal chemokines.
  • To emphasize their specific roles in mucosal immunity and identify potential therapeutic targets.

Main Methods:

  • Review of existing literature on the physiology and function of CCL25, CCL28, CXCL14, and CXCL17.
  • Analysis of their expression patterns and roles in immune cell recruitment and function in mucosal tissues.

Main Results:

  • CCL25 recruits CCR9+ T cells to the small intestine, important for intestinal inflammation control.
  • CCL28 recruits CCR10+ IgA plasmablasts to the mammary gland.
  • CXCL14's role is less defined but linked to metabolic abnormalities in knockout mice.
  • CXCL17 recruits macrophages to mucosal tissues via GPR35/CXCR8.

Conclusions:

  • CCL25, CCL28, CXCL14, and CXCL17 play critical roles in mucosal immunity.
  • Further research into these chemokines may reveal novel therapeutic strategies for mucosal diseases.