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Effect of insulin like growth factor I in the infection of mice peritoneal macrophages in vitro by Leishmania (L.) amazonensis

Grant number: 13/03668-2
Support Opportunities:Scholarships in Brazil - Master
Effective date (Start): June 01, 2013
Effective date (End): May 31, 2015
Field of knowledge:Biological Sciences - Immunology - Applied Immunology
Principal Investigator:Hiro Goto
Grantee:Anderson Guilherme dos Santos Barssotti
Host Institution: Instituto de Medicina Tropical de São Paulo (IMT). Universidade de São Paulo (USP). São Paulo , SP, Brazil


In Leishmania infection is the participation of specific and nonspecific immune response in disease progression. Many growth factors have effect on this parasite-host interaction as the factor of insulin-like growth I (IGF-I). The work done by the group of Prof. Hiro Goto show that IGF-I promotes the proliferation of extrinsic and progression of parasite infection, with effect on nitric oxide production and activation of arginase in macrophages and the parasite. However, IGF-I is present constitutively in macrophages. This work aims to study the effect of constitutive IGF-I in murine macrophages infected with Leishmania (L.) amazonensis. We propose to evaluate the expression of IGF-I and analyze the effect of inhibition of its expression in parasitism in murine macrophages infected with Leishmania (L.) amazonensis. A similar study was conducted by our group with L. (L.) major, but knowing that there are marked differences in biological behavior of different species of Leishmania, we propose this study with L. (L.) amazonensis. The results obtained from infection with Leishmania (L.) amazonensis are of paramount importance to compare the effect of IGF-I with the results found in previous experiments with L. major and contribute to the understanding of behavioral differences in infections by different species of Leishmania. (AU)

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Academic Publications
(References retrieved automatically from State of São Paulo Research Institutions)
BARSSOTTI, Anderson Guilherme dos Santos. Effect of insulin-like growth factor I on the in vitro infection of mouse peritoneal macrophages by Leishmania L. amazonensis. 2017. Master's Dissertation - Universidade de São Paulo (USP). Instituto de Medicina Tropical de São Paulo (IMT) São Paulo.

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