In vitro activity of the clinical pulmonary surfactant Surfacen® against Leishmania amazonensis

  • Blanco O
  • Lugones Y
  • Díaz E
  • et al.
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Abstract

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 ± 3.0 µg/mL; while no toxic effect on host cell was observed up to 200 µg/mL. This is the first report about the antileishmanial activity of Surfacen®.Surfacen® es un surfactante natural exógeno extraído del pulmón, formado por fosfolípidos y proteínas hidrofóbicas, el cual es aplicado con éxito en el Síndrome de Distrés Respiratorio en Niños Recién Nacidos. En este trabajo, se describe la actividad in vitro del Surfacen® contra Leishmania amazonensis. El producto mostró actividad frente a amastigotes que se encuentran en macrófagos peritoneales de ratón BALB/c, con una CI50 de 17.9 ± 3.0 µg/mL, mientras no se observaron efectos tóxicos sobre la célula hospedera hasta 200 µg/mL. Este estudio constituye el primer reporte sobre la actividad antileishmania del Surfacen®.

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APA

Blanco, O., Lugones, Y., Díaz, E., & Monzote, L. (2011). In vitro activity of the clinical pulmonary surfactant Surfacen® against Leishmania amazonensis. Revista Do Instituto de Medicina Tropical de São Paulo, 53(4), 235–238. https://doi.org/10.1590/s0036-46652011000400012

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