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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

Korean Journal of Parasitology 2019년 57권 4호 p.417 ~ 422
 ( Song Su-Min ) - Kyungpook National University School of Medicine Department of Parasitology and Tropical Medicine

 ( Yun Hae-Soo ) - Kyungpook National University School of Medicine Department of Parasitology and Tropical Medicine
 ( Van Bik Dorene ) - Kyungpook National University School of Medicine Department of Parasitology and Tropical Medicine
 ( Chang Hyun-Ha ) - Kyungpook National University School of Medicine Department of Internal Medicine
 ( Lee Sang-Ah ) - Kyungpook National University School of Medicine Department of Internal Medicine
김신우 ( Kim Shin-Woo ) - Kyungpook National University School of Medicine Department of Internal Medicine
 ( Ryoo Nam-Hee ) - Keimyung University School of Medicine Department of Laboratory Medicine
 ( Eun Dong-Yeub ) - Dr. Eun’s Internal Medicine Clinic
 ( Lee Nan-Young ) - Sangju Red Cross Hospital Department of Laboratory Medicine
 ( Goo Youn-Kyoung ) - Kyungpook National University School of Medicine Department of Parasitology and Tropical Medicine
 ( Hong Yeon-Chul ) - Kyungpook National University School of Medicine Department of Parasitology and Tropical Medicine
 ( Ock Mee-Sun ) - Kosin University College of Medicine Department of Parasitology and Genetics
 ( Cha Hee-Jae ) - Kosin University College of Medicine Department of Parasitology and Genetics
 ( Chung Dong-Il ) - Kyungpook National University School of Medicine Department of Parasitology and Tropical Medicine

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.

키워드

Taenia saginata; taeniasis; ITS1; PCR-RFLP; PstI; AleI
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