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A delicate balance: maintaining mutualism to prevent disease
Daria Van Tyne1, Michael S Gilmore1
1Department of Ophthalmology, Harvard Medical School, Massachusetts Eye and Ear Infirmary, Boston, MA 02114, USA; Department of Microbiology and Immunobiology, Harvard Medical School, Boston, MA 02115, USA.
Cell Host & Microbe
|October 10, 2014
Summary
A study reveals that the epithelial interleukin-22 receptor network defends against Enterococcus faecalis infections. This mechanism promotes a mutually beneficial relationship between the host and gut microbiota, maintaining intestinal homeostasis.
Area of Science:
- Microbiology
- Immunology
- Gastroenterology
Background:
- The intestinal microbial ecosystem is intricate, with poorly understood mechanisms governing its homeostasis.
- Maintaining a balanced gut microbiota is crucial for host health and preventing pathogen invasion.
Purpose of the Study:
- To investigate the role of the epithelial interleukin-22 receptor in host defense against opportunistic pathogens.
- To elucidate the mechanisms by which the host-microbiota relationship is maintained in the intestine.
Main Methods:
- The study by Pham et al. (2014) likely involved in vivo models to assess host-pathogen interactions.
- Investigated the function of the interleukin-22 receptor in epithelial cells during infection.
Main Results:
- A network involving the epithelial interleukin-22 receptor was identified as a key protective factor.
- This network effectively protects against infection by the opportunistic pathogen Enterococcus faecalis.
Conclusions:
- The epithelial interleukin-22 receptor plays a critical role in intestinal defense.
- Promotion of host-microbiota mutualism is a vital mechanism for maintaining gut health and preventing opportunistic infections.
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