Increased levels of Txa2 induced by dengue virus infection in IgM positive individuals is related to the mild symptoms of dengue

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Abstract

The inflammatory process plays a major role in the prognosis of dengue. In this context, the eicosanoids may have considerable influence on the regulation of the Dengue virus-induced inflammatory process. To quantify the molecules involved in the cyclooxygenase and lipoxygenase pathways during Dengue virus infection, plasma levels of thromboxane A2, prostaglandin E2 and leukotriene B4; mRNA levels of thromboxane A2 synthase, prostaglandin E2 synthase, leukotriene A4 hydrolase, cyclooxygenase-2 and 5-lipoxygenase; and the levels of lipid bodies in peripheral blood leukocytes collected from IgM-positive and IgM-negative volunteers with mild dengue, and non-infected volunteers, were evaluated. Dengue virus infection increases the levels of thromboxane A2 in IgM-positive individuals as well as the amount of lipid bodies in monocytes in IgM-negative individuals. We suggest that increased levels of thromboxane A2 in IgM-positive individuals plays a protective role against the development of severe symptoms of dengue, such as vascular leakage.

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APA

Oliveira, E. S., Colombarolli, S. G., Nascimento, C. S., Batista, I. C. A., Ferreira, J. G. G., Alvarenga, D. L. R., … Calzavara-Silva, C. E. (2018). Increased levels of Txa2 induced by dengue virus infection in IgM positive individuals is related to the mild symptoms of dengue. Viruses, 10(3). https://doi.org/10.3390/v10030104

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