Extraintestinal Migration of Centrorhynchus sp. (Acanthocephala: Centrorhynchidae) in Experimentally Infected Rats
2010
Choi, C.J., The Catholic University of Korea, Seoul St. Mary's Hospital, Seoul, Republic of Korea | Lee, H.J., Dankook University, Cheonan, Republic of Korea | Go, J.H., Dankook University College of Medicine, Cheonan, Republic of Korea | Park, Y.K., College of Medicine, Inha University, Incheon, Republic of Korea | Chai, J.Y., Seoul National University Medical Research Center, Seoul, Republic of Korea | Seo, M., Dankook University, Cheonan, Republic of Korea
Reptiles were known to serve as paratenic hosts for Centrorhynchus (Acanthocephala: Centrorhynchidae) in Korea, but the infection course in experimental animals was not elucidated yet. In this study, the tiger keelback snakes (Rhabdophis tigrinus) were collected and digested with artificial pepsin solution, and the larvae of Centrorhynchus were recovered from them. Then, the collected larvae were orally infected to rats for developmental observations. In rats, all the larvae were observed outside the intestine on day 3 post-infection (PI), including the mesentery and abdominal muscles. As for the development in rats, the ovary of Centrorhynchus sp. was observed at day 15 PI, and the cement glands were 3 in number. Based on the morphological characteristics, including the arrangement of proboscis hooks, these larvae proved to be a species of Centrorhynchus, and more studies were needed for species identification.
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