Abstract：
:Blastocytis sp. is the most common enteric protozoan in human, but its pathogenesis is still unclear. To study the infectious effects of Blastocytis sp. on tissue damage, we orally challenged the Sprague Dawley (SD) rats with different doses of Blastocytis subtype1 (ST1) and examined the histological changes. We found that there was no difference of disease incidence among the Blastocytis ST1-infected groups challenged with different doses of the protozoan. Histological results showed that the lamina propria was infected by Blastocytis ST1 in the vacuolar form, along with the mucus membrane slough and inflammatory cell infiltration into the lamina propria. Compared to the uninfected group, the histological scores were significantly higher in the infected groups. However, groups infected with various doses of Blastocystis ST1 showed no difference in terms of histological scores. In conclusion, this study indicates that the SD rats can be easily infected with Blastocytis ST1 even with low dose of cysts, and the histopathological effects of the infection in the intestine of the infected rats show individual differences.
journal_name
Parasitol Resjournal_title
Parasitology researchauthors
Li J,Deng T,Li X,Cao G,Li X,Yan Ydoi
10.1007/s00436-013-3536-7subject
Has Abstractpub_date
2013-10-01 00:00:00pages
3537-41issue
10eissn
0932-0113issn
1432-1955journal_volume
112pub_type
杂志文章abstract：:The insect growth regulator, Lufenuron, at concentrations of even multiples of LC(90) (determined under laboratory conditions) was tested against the III instar larvae of Aedes aegypti under simulated field conditions. For all concentrations tested, 100 % mortality of the larvae was observed within 24 h of exposure to...
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