Arthritogenic alphaviruses—an overview

Abstract : Mosquito-transmitted alphaviruses causing human rheumatic disease are globally distributed and include chikungunya virus, Ross River virus, Barmah Forest virus, Sindbis virus, o'nyong-nyong virus and Mayaro virus. These viruses cause endemic disease and, occasionally, large epidemics; for instance, the 2004–2011 chikungunya epidemic resulted in 1.4–6.5 million cases, with imported cases reported in nearly 40 countries. The disease is usually self-limiting and characterized by acute and chronic symmetrical peripheral polyarthralgia–polyarthritis, with acute disease usually including fever, myalgia and/or rash. Arthropathy can be debilitating, usually lasts weeks to months and can be protracted; although adequate attention to differential diagnoses is recommended. The latest chikungunya virus epidemic was also associated with some severe disease manifestations and mortality, primarily in elderly patients with comorbidities and the young. Chronic alphaviral rheumatic disease probably arises from inflammatory responses stimulated by the virus persisting in joint tissues, despite robust antiviral immune responses. Serodiagnosis by ELISA is the standard; although international standardization is often lacking. Treatment usually involves simple analgesics and/or NSAIDs, which can provide relief, but better drug treatments are clearly needed. However, the small market size and/or the unpredictable and rapid nature of epidemics present major hurdles for development and deployment of new alphavirus-specific interventions.
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Nature Reviews Rheumatology, Nature Publishing Group, 2012, 8 (7), pp.420--429. 〈10.1038/nrrheum.2012.64〉
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http://hal.univ-reunion.fr/hal-01274606
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Soumis le : mardi 16 février 2016 - 08:42:20
Dernière modification le : vendredi 14 septembre 2018 - 08:15:41

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Andreas Suhrbier, Marie-Christine Jaffar-Bandjee, Philippe Gasque. Arthritogenic alphaviruses—an overview. Nature Reviews Rheumatology, Nature Publishing Group, 2012, 8 (7), pp.420--429. 〈10.1038/nrrheum.2012.64〉. 〈hal-01274606〉

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