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Analysis of CD100 modulation of macrophage activation and infectivity by Leishmania (Leishmania) amazonensis.

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Author(s):
Mariana Kolos Galuppo
Total Authors: 1
Document type: Master's Dissertation
Press: São Paulo.
Institution: Universidade de São Paulo (USP). Instituto de Ciências Biomédicas (ICB/SDI)
Defense date:
Examining board members:
Beatriz Simonsen Stolf Carboni; Clara Lúcia Barbieri Mestriner; Mauro Javier Cortez Véliz
Advisor: Beatriz Simonsen Stolf Carboni
Abstract

Considering the importance of m<font face=\"Symbol\">j in Leishmania´s infection and the potential role of CD100 in the modulation of m<font face=\"Symbol\">j activation, we postulated that this molecule may affect m<font face=\"Symbol\">j infectivity. Therefore, we analyzed and compared the expression of CD100 on different types of m<font face=\"Symbol\">j (BALB/c and C57BL/6) and their effects in terms of m<font face=\"Symbol\">j activation and infectivity by L. amazonensis. We analyzed the expression of CD100 and the results suggest that m<font face=\"Symbol\">j from BALB/c express more CD100 than C57BL/6 and this expression decrease along the infection. M<font face=\"Symbol\">j from BALB/c pre-treated with sCD100 have augmented infection rates in 4h and in contact with the sCD100 before, during and after infection, increase rates in periods of 4 and 24h. In m<font face=\"Symbol\">j from C57BL/6 pre-treated with sCD100 or infection period, the rates increase in 4h. When macrophages remained in contact with sCD100 throughout the infection, rates increase after 4 and 24h. We can therefore conclude that CD100 may be related to modulation of Leishmania´s infection and that the infection itself affects CD100 expression in m<font face=\"Symbol\">j. (AU)

FAPESP's process: 10/02235-7 - Analysis of CD100 activity in the modulation of macrophage activation and infection by Leishmania (Leishmania) amazonensis
Grantee:Mariana Kolos Galuppo
Support Opportunities: Scholarships in Brazil - Master