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Cytokines and mucosal immunity.

Giorgos Bamias1, Kristen O Arseneau, Fabio Cominelli

  • 1aAcademic Department of Gastroenterology, Kapodistrian University of Athens, Laikon Hospital, Athens, Greece bDivision of Gastrointestinal and Liver Disease, Case Western Reserve University School of Medicine, Cleveland, Ohio, USA.

Current Opinion in Gastroenterology
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Cytokines play dual roles in gut immunity, influencing both homeostasis and inflammation. Understanding these complex cytokine functions is key to treating immune-mediated gut diseases.

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Area of Science:

  • Immunology
  • Gastroenterology
  • Molecular Biology

Background:

  • Cytokines are crucial for maintaining intestinal mucosal homeostasis.
  • They are also key players in chronic gut inflammatory diseases.
  • This review examines recent research on specific cytokines in mucosal immunity.

Purpose of the Study:

  • To review recent studies on the role of specific cytokines in mucosal immunity.
  • To elucidate the complex functions of cytokines in intestinal homeostasis and inflammation.

Main Methods:

  • Literature review of recent studies on cytokine function in mucosal immunity.
  • Analysis of cytokine roles in innate and adaptive immune responses within the gut.

Main Results:

  • Cytokines like IL-1α and IL-33 have dual roles, acting as alarmins and contributing to inflammation.
  • TNF superfamily members (e.g., TNF-like cytokine 1A, LIGHT) have pro-inflammatory roles but can also aid recovery from infection.
  • Innate lymphoid cells are significant sources of cytokines such as IL-23 and IL-22, crucial for the IL-23/T helper 17 pathway.

Conclusions:

  • Understanding the intricate cytokine signaling in the gut is vital for comprehending immune-mediated diseases.
  • This knowledge is essential for developing targeted therapies for inflammatory gut conditions.