Four Human Cases of Diphyllobothrium nihonkaiense (Eucestoda: Diphyllobothriidae) in China with a Brief Review of Chinese Cases

Yu-Chun Cai; Shao-Hong Chen; Hiroshi Yamasaki; Jia-Xu Chen; Yan Lu; Yong-Nian Zhang; Hao Li; Lin Ai; Hai-Ning Chen

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저자정보: Yu-Chun Cai (National Center for International Research on Tropical Diseases) Shao-Hong Chen (National Center for International Research on Tropical Diseases) Hiroshi Yamasaki (National Institute of Infectious Diseases) Jia-Xu Chen (National Center for International Research on Tropical Diseases) Yan Lu (National Center for International Research on Tropical Diseases) Yong-Nian Zhang (National Center for International Research on Tropical Diseases) Hao Li (National Center for International Research on Tropical Diseases) Lin Ai (National Center for International Research on Tropical Diseases) Hai-Ning Chen (National Center for International Research on Tropical Diseases)

저널정보: 대한기생충학열대의학회 Parasites, Hosts and Diseases The Korean Journal of Parasitology Vol.55 No.3

발행연도: 2017.6

수록면: 319 - 324 (6page)

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We described 4 human infection cases of zoonotic fish-tapeworm, Diphyllobothrium nihonkaiense, identified with morphological and molecular characters and briefly reviewed Chinese cases in consideration of it as an emerging parasitic disease in China. The scolex and mature and gravid proglottids of some cases were seen, a rosette-shaped uterus was observed in the middle of the mature and gravid proglottids, and the diphyllobothriid eggs were yellowish-brown in color and displayed a small knob or abopercular protuberance on the opposite end of a lid-like opening. The average size of the eggs was recorded as 62-67×42-45 μm. The parasitic materials gathered from 4 human cases were morphologically identified as belonging to the genera Diphyllobothrium and Adenocephalus. The phylogenetic analysis based on the nucleotide sequences of cytochrome c oxidase subunit 1 gene of the etiologic agents confirmed that the 4 cases were D. nihonkaiense infection. The finding of 4 additional D. nihonkaiense cases suggests that D. nihonkaiense might be a major causative species of human diphyllobothriasis in China. A combined morphological and molecular analysis is the main method to confirm D. nihonkaiense infection.

#Diphyllobothrium nihonkaiense #case report #diphyllobothriasis #phylogenetic analysis #China

참고문헌 (26)

참고문헌 신청

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이 논문의 저자 정보

Yu-Chun Cai

소속기관 Chinese Center for Disease Control and Prevention (Chinese Center for Tropical Diseases Research)