Reactive Oxygen Species and Nitric Oxide in Cutaneous Leishmaniasis

Cutaneous leishmaniasis affects millions of people around the world. Several species of Leishmania infect mouse strains, and murine models closely reproduce the cutaneous lesions caused by the parasite in humans. Mouse models have enabled studies on the pathogenesis and effector mechanisms of host r...

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Main Authors: Maria Fátima Horta, Bárbara Pinheiro Mendes, Eric Henrique Roma, Fátima Soares Motta Noronha, Juan Pereira Macêdo, Luciana Souza Oliveira, Myrian Morato Duarte, Leda Quercia Vieira
Format: Article
Language:English
Published: Wiley 2012-01-01
Series:Journal of Parasitology Research
Online Access:http://dx.doi.org/10.1155/2012/203818
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Summary:Cutaneous leishmaniasis affects millions of people around the world. Several species of Leishmania infect mouse strains, and murine models closely reproduce the cutaneous lesions caused by the parasite in humans. Mouse models have enabled studies on the pathogenesis and effector mechanisms of host resistance to infection. Here, we review the role of nitric oxide (NO), reactive oxygen species (ROS), and peroxynitrite (ONOO−) in the control of parasites by macrophages, which are both the host cells and the effector cells. We also discuss the role of neutrophil-derived oxygen and nitrogen reactive species during infection with Leishmania. We emphasize the role of these cells in the outcome of leishmaniasis early after infection, before the adaptive Th-cell immune response.
ISSN:2090-0023
2090-0031