%0 Journal Article %T In vitro activity of the clinical pulmonary surfactant Surfacen£¿ against Leishmania amazonensis %A Blanco %A Odalys %A Lugones %A Yuliannis %A D¨ªaz %A Elaine %A Monzote %A Lianet %J Revista do Instituto de Medicina Tropical de S£¿o Paulo %D 2011 %I Instituto de Medicina Tropical %R 10.1590/S0036-46652011000400012 %X surfacen£¿ is an exogenous natural lung surfactant, composed by phospholipids and hydrophobic proteins, which is applied successfully in newborn respiratory distress syndrome. in this paper, in vitro activity of surfacen£¿ against leishmania amazonensis is described. the product showed activity against the amastigote form found in peritoneal macrophages from balb/c mice, with an ic50 value of 17.9 ¡À 3.0 ¦Ìg/ml; while no toxic effect on host cell was observed up to 200 ¦Ìg/ml. this is the first report about the antileishmanial activity of surfacen£¿. %K leishmania amazonensis %K pulmonary surfactant %K antibiotic activity %K antimicrobial %K sp-b. %U http://www.scielo.br/scielo.php?script=sci_abstract&pid=S0036-46652011000400012&lng=en&nrm=iso&tlng=en