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Chikungunya Pathogenesis: From the Clinics to the Bench
Philippe Gasque1, Marie Christine Jaffar Bandjee1, Marcela Mercado Reyes2
1UMR PIMIT, Processus Infectieux en Milieu Insulaire Tropical Université de La Réunion, INSERM U1187, CNRS 9192, IRD 249, St. Denis, France.
The Journal of Infectious Diseases
|December 7, 2016
Summary
Chikungunya virus causes debilitating joint pain and can lead to chronic illness. Research is exploring how the virus hides in tissues and causes inflammation and injury.
Area of Science:
- Virology
- Immunology
- Rheumatology
Background:
- Chikungunya alphavirus outbreaks are a global health concern, causing acute polyarthralgia.
- The virus triggers significant innate and humoral immune responses.
- Severe outcomes include fatalities and mother-to-child transmission, with chronic musculoskeletal issues persisting for years.
Purpose of the Study:
- To investigate the mechanisms behind chikungunya virus-induced tissue injury.
- To understand viral persistence in "tissue sanctuaries."
- To elucidate the inflammatory processes contributing to long-term pathology.
Main Methods:
- Histopathological analysis of patient biopsy samples.
- Studies utilizing animal models of chikungunya infection.
Main Results:
- Chikungunya virus has been observed to establish reservoirs in specific tissue locations.
- Inflammatory responses play a critical role in the pathogenesis of tissue damage.
Conclusions:
- Chikungunya virus infection can result in persistent, debilitating musculoskeletal conditions.
- Further research is needed to fully understand viral persistence and inflammatory pathways driving tissue injury.
