Revealing the kinetics of Leishmania chagasi infection in the male genital system of hamsters

Autor: Fernanda Gatti de Oliveira Nascimento, Marlus Alves dos Santos, Guilherme M.J. Costa, Bruna Cristina Borges, Antonio Vicente Mundim, Ana Flávia Oliveira Notário, Rebecca Tavares e. Silva, Maria Aparecida de Souza, Claudio Vieira da Silva, Andre Belico Vasconcelos, Amanda Pifano Neto Quintal, Paula Cristina Brígido
Rok vydání: 2016
Předmět:
Zdroj: Infectious Diseases of Poverty
ISSN: 2049-9957
DOI: 10.1186/s40249-016-0122-0
Popis: Background Leishmaniasis causes alterations and lesions in the genital system, which leads to azoospermia and testicular atrophy in animals during the chronic phase of the infection. The aim of this study was to reveal the kinetics of Leishmania chagasi infection in the genital system of male golden hamsters (Mesocricetus auratus). Methods Animals were intraperitoneally inoculated with amastigotes from L. chagasi. At different time points animals were euthanized and genital organs processed for histo-pathological, qPCR, cytokines and testosterone detection assays. Results Our results showed a high parasite load in testis, followed by an increase of pro-inflammatory cytokines IL1-β, TNF-α and IFN-γ, and testosterone. Subsequently, IL-4 expression was upregulated and basal parasite persistence in testis was observed using the experimental approach. Conclusion Extracellular amastigotes migrated to the epididymis posing as a potential major factor of parasite persistence and venereal transmission of L. chagasi infection in hamsters. Electronic supplementary material The online version of this article (doi:10.1186/s40249-016-0122-0) contains supplementary material, which is available to authorized users.
Databáze: OpenAIRE