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Modulation of fatty acid-binding protein 4 (FABP4) levels in macrophages infected with Leishmania spp.

Grant number: 15/17902-2
Support Opportunities:Scholarships in Brazil - Master
Effective date (Start): October 01, 2015
Effective date (End): September 30, 2017
Field of knowledge:Biological Sciences - Parasitology - Protozoology of Parasites
Principal Investigator:Danilo Ciccone Miguel
Grantee:Karen Caroline Minori Vieira
Host Institution: Instituto de Biologia (IB). Universidade Estadual de Campinas (UNICAMP). Campinas , SP, Brazil
Associated research grant:14/21129-4 - The role of fatty acid-binding proteins in the macrophage infection by Leishmania: a potential target for new drugs against leishmaniasis, AP.JP


Leishmaniasis is a protozoan infection caused by parasites of the genus Leishmania. These pathogens have adapted to the parasitism of mononuclear phagocytic cells of vertebrate hosts, especially the macrophages, in which the parasite is able to reproduce inside the parasitophorous vacuole. Several studies have shown that during their intracellular parasitic stage, amastigotes of Leishmania utilize appropriate metabolic strategies and subvert the mechanisms of defense and nutrition of the host cell. Preliminary results obtained by our group show that the level of fatty acid-binding protein 4 (FABP4) of macrophages is increased after infection with Leishmania (L.) amazonensis. Considering our preliminary data, it is reasonable to assume that this protein plays an important role in the establishment and maintenance of amastigotes in the parasitophorous vacuole. Using in vitro infections we will evaluate the abundance and localization of FABP4 in macrophages exposed to Leishmania species commonly found in Brazil: L. (V.) braziliensis , L. (L.) infantum and L. (L.) amazonensis. Further studies will be conducted to assess the activity of a specific inhibitor of FABP4 in the establishment of parasitophorous vacuoles harboring Leishmania in order to improve our knowledge concerning the cellular aspects of Leishmania infection.

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Scientific publications
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
MENDES, BRUNO; MINORI, KAREN; CONSONNI, SILVIO R.; ANDREWS, NORMA W.; MIGUEL, DANILO C.. ausative Agents of American Tegumentary Leishmaniasis Are Able to Infect 3T3-L1 Adipocytes In Vitr. FRONTIERS IN CELLULAR AND INFECTION MICROBIOLOGY, v. 12, . (15/17902-2, 14/21129-4, 17/21720-2)

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