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Freshwater gastropods of the Baixada Maranhense Microregion, an endemic area for schistosomiasis in the State of Maranhão, Brazil: I - qualitative study.

The results of the first comprehensive freshwater malacological survey performed in the Baixada Maranhense Microregion indicate that the study area is epidemiologically important due to the presence of two natural vectors of schistosomiasis and the active transmission of schismiasis, which was confirmed in the infected specimen that was collected in this study.
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HISTOPATHOLOGY OF Holochilus brasiliensis(RODENTIA: CRICETIDAE)INFECTED WITH Schistosoma mansoni(SCHISTOSOMATIDA: SCHISTOSOMATIDAE)

There appeared to be a different response to parasite invasion according to host sex, as the livers of infected males were seen to contain parasite eggs with moderate or intense granulomas, whereas females showed slight or moderated tissue damage.
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Research Note. The wild water-rats and their relevance in the context of schistosomiasis mansoni in Brazil: what we know and recommendations for further research

It has been shown that wild rodents with semi-aquatic habits are capable to establish a productive infection of this parasite, and these wild rodents are likely also to be capable to spread the disease in endemic areas.
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Antiparasitic effects of ethanolic extracts of Piper arboreum and Jatropha gossypiifolia leaves on cercariae and adult worms of Schistosoma mansoni

For the first time, it was proven that ethanolic extracts of P. arboreum and J. gossypiifolia leaves are biologically active against cercariae and adult worms of S. mansoni in vitro.
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Molluscicidal effect of Euphorbia umbellata (Pax) Bruyns latex on Biomphalaria glabrata, Schistosoma mansoni host snail

Toxicity bioassays using Danio rerio (zebrafish) revealed that these animals were less susceptible to latex than planorbids, and it is important to perform other toxicity tests to ensure the feasibility of using latex to control populations of mollusks that contribute to schistosomiasis transmission.
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Spatial and Seasonal Distribution of Holochilus sciureus with Schistosoma mansoni Infection in an Endemic Area for Schistosomiasis in Brazil

The H. sciureus rodent shows a high natural infection rate for S. mansoni in the flooded fields of São Bento, regardless of the weather station, capture distance, and biological aspects, and it is demonstrated that it may inhabit a much more extensive area that is currently described in the literature.
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Spatial distribution and seasonality of Biomphalaria spp. in São Luís (Maranhão, Brazil)

Information from malacological survey carried out in São Luís (Maranhão, Brazil) to identify the spatial and seasonal distribution patterns of Biomphalaria spp.
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Schistosoma mansoni Infection in Holochilus sciureus Shows Sex-Related Differences in Parasitological Patterns

It was shown that infection in H. sciureus females provides a favorable environment for the development of adult worms, despite impairing the parasite fecundity, and this rodent may be an excellent biological model for S. mansoni experimental infections.
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Parasitological and histological aspects of Holochilus sciureus naturally infected by Schistosoma mansoni.

Schistosomiasis is a neglected disease that affects millions of people around the world, being common in the state of Maranhão. A total of 225 rodents of the Holochilus sciureus species from the…
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Hydroalcoholic extract of Caryocar brasiliense Cambess. leaves affect the development of Aedes aegypti mosquitoes

It is demonstrated that the inhibition of mosquito development by the hydroalcoholic extract of C. brasiliense leaves is demonstrated and substances that may act as active principles are suggested.
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