Parasites, Hosts and Diseases

The Korea Society for Parasitology and Tropical Medicine (대한기생충학·열대의학회)
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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

  • Song, Su-Min (Department of Parasitology and Tropical Medicine, School of Medicine, Kyungpook National University) ;
  • Yun, Hae Soo (Department of Parasitology and Tropical Medicine, School of Medicine, Kyungpook National University) ;
  • VanBik, Dorene (Department of Parasitology and Tropical Medicine, School of Medicine, Kyungpook National University) ;
  • Chang, Hyun-Ha (Department of Internal Medicine, School of Medicine, Kyungpook National University) ;
  • Lee, Sang-Ah (Department of Internal Medicine, School of Medicine, Kyungpook National University) ;
  • Kim, Shin-Woo (Department of Internal Medicine, School of Medicine, Kyungpook National University) ;
  • Ryoo, Namhee (Department of Laboratory Medicine Keimyung University School of Medicine, Dongsan Medical Center) ;
  • Eun, Dong Yeub (Dr. Eun's Internal Medicine Clinic) ;
  • Lee, Nan Young (Sangju Red Cross Hospital, Department of laboratory Medicine) ;
  • Goo, Youn-Kyoung (Department of Parasitology and Tropical Medicine, School of Medicine, Kyungpook National University) ;
  • Hong, Yeonchul (Department of Parasitology and Tropical Medicine, School of Medicine, Kyungpook National University) ;
  • Ock, Meesun (Department of Parasitology and Genetics, Kosin University College of Medicine) ;
  • Cha, Hee-Jae (Department of Parasitology and Genetics, Kosin University College of Medicine) ;
  • Chung, Dong-Il (Department of Parasitology and Tropical Medicine, School of Medicine, Kyungpook National University)
  • Received : 2019.03.14
  • Accepted : 2019.06.15
  • Published : 2019.08.31
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Abstract

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.

Keywords

References

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