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Interferon-Lambda: A Potent Regulator of Intestinal Viral Infections
Sanghyun Lee1, Megan T Baldridge2
1Department of Pathology and Immunology, Washington University School of Medicine, St. Louis, MO, United States.
Frontiers in Immunology
|July 18, 2017
Summary
Interferon-lambda (IFN-λ) is vital for controlling intestinal viruses and may explain varied responses to infection. Recombinant IFN-λ shows promise as a treatment for enteric viral infections.
Area of Science:
- Immunology
- Virology
- Gastroenterology
Background:
- Interferon-lambda (IFN-λ) is a crucial cytokine in innate immunity against intestinal viruses.
- Endogenous IFN-λ exhibits potent antiviral activity, influencing host responses to enteric infections.
- IFN-λ variability may contribute to differences in human susceptibility and response to viral infections.
Purpose of the Study:
- To review recent advancements in IFN-λ-mediated regulation of clinically relevant enteric viruses.
- To explore the role of IFN-λ in the context of intestinal immune responses and the microbiome.
- To identify knowledge gaps in understanding IFN-λ's control of enteric viral infections.
Main Methods:
- Literature review of recent studies on IFN-λ and enteric viruses.
- Analysis of IFN-λ's antiviral mechanisms in the gastrointestinal tract.
- Discussion of IFN-λ interactions with other cytokines and the gut microbiome.
Main Results:
- IFN-λ effectively controls rotavirus, reovirus, and norovirus.
- IFN-λ plays a significant role in innate immune defense against enteric viral pathogens.
- Recombinant IFN-λ presents a potential therapeutic strategy for viral gastroenteritis.
Conclusions:
- IFN-λ is a key regulator of intestinal antiviral immunity.
- Further research is needed to fully elucidate IFN-λ's mechanisms and therapeutic applications.
- Understanding IFN-λ function can lead to improved treatments for enteric viral diseases.
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