TITLE

Seroconversion of sentinel chickens as a biomarker for monitoring exposure to visceral Leishmaniasis

AUTHOR(S)
Ribeiro Soares, Bárbara; Almeida Souza, Ana Paula; Brito Prates, Deboraci; De Oliveira, Camila I.; Barral-Netto, Manoel; Carlos Miranda, José; Barral, Aldina
PUB. DATE
August 2013
SOURCE
Scientific Reports;8/9/2013, p1
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Leishmania infantum chagasi causes visceral leishmaniasis (VL); it is transmitted by the sand fly Lutzomyia longipalpis that injects saliva and parasites into the host's skin during a blood meal. Chickens represent an important blood source for sand flies and their presence in the endemic area is often cited as a risk factor for VL transmission. However, the role of chickens in VL epidemiology has not been well defined. Here, we tested if chicken antibodies against Lu. longipalpis salivary gland sonicate (SGS) could be used as markers of exposure to sand fly bites. All naturally exposed chickens in a VL endemic area in Brazil developed anti-SGS IgY antibodies. Interestingly, Lu. longipalpis recombinant salivary proteins rLJM17 and rLJM11 were also able to detect anti-SGS IgY antibodies. Taken together, these results show that chickens can be used tomonitor the presence of Lu. longipalpis in the peri-domiciliary area in VL endemic regions, when used as sentinel animals.
ACCESSION #
91658713

 

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