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KMID : 0425120190570040417
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Parasites, Hosts and Diseases
2019 Volume.57 No. 4 p.417 ~ p.422
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Ten Cases of Taenia saginata Infection Confirmed by Analysis of the Internal Transcribed Spacer 1 rDNA Region in the Republic of Korea
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Song Su-Min
Yun Hae-Soo
Van Bik Dorene
Chang Hyun-Ha
Lee Sang-Ah
Kim Shin-Woo
Ryoo Nam-Hee
Eun Dong-Yeub
Lee Nan-Young
Goo Youn-Kyoung
Hong Yeon-Chul
Ock Mee-Sun
Cha Hee-Jae
Chung Dong-Il
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Abstract
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From October 2015 to August 2018, tapeworm proglottids were obtained from 10 patients who were residents of Daegu and Gyeongbuk provinces and had a history of raw beef consumption. Most of them had no overseas travel experience. The gravid proglottids obtained from the 10 cases had 15-20 lateral uterine branches. A part of internal transcribed spacer 1 (ITS1) DNA of the 10 cases, amplified by polymerase chain reaction (PCR) and digested with AleI restriction enzyme, produced the same band pattern of Taenia saginata, which differentiated from T. asiatica and T. solium. Sequences of ITS1 and cytochrome c oxidase subunit 1 (cox1) showed higher homology to T. saginata than to T. asiatica and T. solium. Collectively, these 10 cases were identified as T. saginata human infections. As taeniasis is one of the important parasitic diseases in humans, it is necessary to maintain hygienic conditions during livestock farming to avoid public health concerns.
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KEYWORD
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Taenia saginata, taeniasis, ITS1, PCR-RFLP, PstI, AleI
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