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Effect of Aedes aegypti salivary components in the infection by parasites of the Leishmania genus

Grant number: 15/12703-1
Support type:Scholarships in Brazil - Master
Effective date (Start): September 01, 2015
Effective date (End): March 31, 2017
Field of knowledge:Biological Sciences - Parasitology - Entomology and Malacology of Parasites and Vectors
Principal Investigator:Anderson de Sá Nunes
Grantee:Mariana Hayashi Garcia
Home Institution: Instituto de Ciências Biomédicas (ICB). Universidade de São Paulo (USP). São Paulo , SP, Brazil

Abstract

Aedes aegypti mosquitoes are well-known biological vectors of arboviruses such as dengue fever, yellow fever and Chikungunya fever, being widespread to the whole Brazilian territory. The hematophagous habit of A. aegypti females is necessary to acquire the nutrients for eggs' maturation and development. In this sense, saliva plays an important role, representing the link between hematophagous arthropod, its vertebrate host and the pathogen to be potentially transmitted. In this saliva, a pharmacological cocktail with many biological activities, the presence of antimicrobial peptides, and also series of immunomodulatory functions on the host cells, in particular in macrophages, can be found. Leishmaniasis is a disease caused by Leishmania protozoans and considered a zoonosis with a great importance in public health, whose current treatment is limited by a number of reasons. Thus, this present project aims: 1) to evaluate whether A. aegypti salivary components present direct activity on Leishmania parasites; 2) to determine their putative role in Leishmania/macrophage interaction in a murine model and; 3) to observe whether in vivo treatment with mosquito salivary gland extract is able to affect the course of infection in mice. (AU)

Academic Publications
(References retrieved automatically from State of São Paulo Research Institutions)
GARCIA, Mariana Hayashi. Effect of Aedes aegypti salivary components in the infection by parasites of Leishmania genus.. 2017. Master's Dissertation - Universidade de São Paulo (USP). Instituto de Ciências Biomédicas São Paulo.

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