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Trichinella as a modulator of flu-induced pathology?
Jean Dupouy-Camet1, Isabelle Vallée
1National Reference Centre on Trichinella, Cochin Hospital, Assistance Publique Hôpitaux de Paris, Université R. Descartes, 27 Fbrg. St Jacques, 75014 Paris, France. jean.dupouy-camet@cch.ap-hop-paris.fr
Abstract:
In Trichinella spiralis and influenza co-infected mice, the influenza virus-induced secretion of the lung-damaging tumour necrosis factor alpha is modulated, as described by Furze et al. in a recent study. However, the immune response induced by T. spiralis is so variable that this modulation could be of limited value to manage clinical cases of influenza. Nevertheless, the concept that parasites can modulate influenza-induced pathology presents an interesting and potentially useful approach to therapeutics. The local perturbations induced by T. spiralis migration, coincident with the site of influenza infection, certainly warrant further studies.
Insights
Parasitic worms like Trichinella spiralis can alter lung damage caused by influenza. However, the variable immune response to parasites may limit its use in treating influenza patients.
Area of Science:
- Immunology
- Parasitology
- Virology
Background:
- Influenza virus infection causes lung damage.
- Tumor necrosis factor alpha (TNF-α) contributes to this damage.
- Co-infection with parasites can alter host immune responses.
Purpose of the Study:
- To investigate the immunomodulatory effects of Trichinella spiralis co-infection on influenza-induced lung pathology in mice.
- To assess the potential therapeutic implications of parasite-host interactions in viral infections.
Main Methods:
- Mice were co-infected with Trichinella spiralis and influenza virus.
- Levels of tumor necrosis factor alpha (TNF-α) and other immune markers were measured.
- Lung pathology was assessed.
Main Results:
- Trichinella spiralis co-infection modulated the secretion of influenza-induced tumor necrosis factor alpha (TNF-α).
- The immune response induced by T. spiralis was highly variable.
- This variability may limit the clinical utility of this modulation for influenza management.
Conclusions:
- Parasite-induced modulation of influenza pathology is a potential therapeutic avenue.
- Further research is warranted to explore the interaction between T. spiralis migration and influenza infection sites.
- Understanding these interactions could lead to novel treatment strategies for influenza.
