Matthieu Prot

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To the Editor: Japanese encephalitis virus and yellow fever virus are mosquito-borne flaviviruses that circulate in disjunct geographic areas with different mosquito vectors. Japanese encephalitis is endemic to most of Asia and the Western Pacific, whereas yellow fever occurs in tropical areas of Africa and South America. Both viruses lead to a wide(More)
Polyamines are small, positively charged molecules derived from ornithine and synthesized through an intricately regulated enzymatic pathway. Within cells, they are abundant and play several roles in diverse processes. We find that polyamines are required for the life cycle of the RNA viruses chikungunya virus (CHIKV) and Zika virus (ZIKV). Depletion of(More)
RNA viruses present an extraordinary threat to human health, given their sudden and unpredictable appearance, the potential for rapid spread among the human population, and their ability to evolve resistance to antiviral therapies. The recent emergence of chikungunya virus, Zika virus, and Ebola virus highlights the struggles to contain outbreaks. A(More)
Clinical symptoms of dengue virus (DENV) infection, the most prevalent arthropod-borne viral disease, range from classical mild dengue fever to severe, life-threatening dengue shock syndrome. However, most DENV infections cause few or no symptoms. Asymptomatic DENV-infected patients provide a unique opportunity to decipher the host immune responses leading(More)
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