Animal models for Opisthorchis viverrini infection
2009
Boonmars, Thidarut | Boonjaraspinyo, Sirintip | Kaewsamut, Butsara
We investigated the utility of various animal models for the study of opisthorchiasis in humans and its common sequel of cholangiocarcinoma (CCA). Rats, mice, gerbils, and hamsters were infected with Opisthorchis viverrini metacercariae. Worms from the infected animal hosts were recovered from livers and counts made of eggs per gram of feces. Worms were observed in and recovered from hamsters and gerbils but not rats and mice. The recovered worms from the infected gerbils were larger and more physiologically developed than those from the infected hamsters. The results suggest that gerbils are more susceptible to infection by Opisthorchis viverrini and thus more suitable for modeling opisthorchiasis and its connection to CCA.
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