Parasites, Hosts and Diseases

"colon"

Brief Communications

A parasitological study on the possible toilet ruins of the Japanese colonial period in Korea: Jieun Kim, Min Seo, Hisashi Fujita, Jong Yil Chai, Jin Woo Park, Jun Won Jang, In Soo Jang, Dong Hoon Shin; Parasites Hosts Dis 2023;61(2):198-201.
Published online May 23, 2023; DOI: https://doi.org/10.3347/PHD.23013

Abstract
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In the past decade, experts have conducted parasitological research on archaeological specimens in Korea to collect historical parasite infection data. In these studies, parasitologists successfully described the infection pattern of each parasite species in history. However, in the first half of the 20th century, archaeoparasitological reports have been scant. In 2021, we conducted a parasitological examination of a toilet-like structure that emerged in the early 20th century. This structure was built by stacking 2 wooden barrels; and in the study samples, we found ancient Trichuris trichiura, Ascaris lumbricoides (unfertilized), and Taenia spp. eggs and therefore proposed a higher possibility that the barrels could have been used as a toilet at the time. To understand how the antihelminthic campaign since the 1960s helped reduce parasite infection rates in Korea, more research should focus on early-20th-century toilet ruins.

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Problems in Japanese archaeoparasitology: Analysis of paleo-parasitic eggs from Hachinohe Castle
Hisashi Fujita, Masako Funaba, Shiori O. Fujisawa
Parasites, Hosts and Diseases.2025; 63(3): 278. CrossRef

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Discovery of Eurytrema Eggs in Sediment from a Colonial Period Latrine in Taiwan: Hui-Yuan Yeh, Chieh-fu Jeff Cheng, ChingJung Huang, Xiaoya Zhan, Weng Kin Wong, Piers D. Mitchell; Korean J Parasitol 2019;57(6):595-599.
Published online December 31, 2019; DOI: https://doi.org/10.3347/kjp.2019.57.6.595

In this study we take a closer look at the diseases that afflicted Japanese police officers who were stationed in a remote mountainous region of Taiwan from 1921 to 1944. Samples were taken from the latrine at the Huabanuo police outpost, and analyzed for the eggs of intestinal parasites, using microscopy and ELISA. The eggs of Eurytrema sp., (possibly E. pancreaticum), whipworm and roundworm were shown to be present. True infection with Eurytrema would indicate that the policemen ate uncooked grasshoppers and crickets infected with the parasite. However, false parasitism might also occur if the policemen ate the uncooked intestines of infected cattle, and the Eurytrema eggs passed through the human intestines. These findings provide an insight into the diet and health of the Japanese colonists in Taiwan nearly a century ago.

Citations

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Morphological and molecular characterization of Eurytrema coelomaticum found in bovine pancreas in Argentina
JP Díaz, LH Olmos, A Avellaneda-Cáceres, AJ Pantiu, EI Figueredo, JF Micheloud
Acta Tropica.2025; 270: 107788. CrossRef
Gastrointestinal parasite infections and associated factors in fighting bulls over 7 years of monitoring in Southern Thailand
Dhiravit Chantip, Nantaporn Chooruang, Kitikarn Sakuna, Warawut Sukmak, Wiruntita Bohman
Veterinary World.2024; : 895. CrossRef
Intestinal parasites from Hubei archaeological sites of early China (5th century BCE to 3rd century CE)
Xiaoya Zhan, Mi Zhou, Qun Zhang, Hui-Yuan Yeh
Journal of Archaeological Science: Reports.2024; 58: 104734. CrossRef
A parasitological study on the possible toilet ruins of the Japanese colonial period in Korea
Jieun Kim, Min Seo, Hisashi Fujita, Jong Yil Chai, Jin Woo Park, Jun Won Jang, In Soo Jang, Dong Hoon Shin
Parasites, Hosts and Diseases.2023; 61(2): 198. CrossRef
Paleoparasitology research on ancient helminth eggs and larvae in the Republic of Korea
Jong-Yil Chai, Min Seo, Dong Hoon Shin
Parasites, Hosts and Diseases.2023; 61(4): 345. CrossRef
The effects of dehydration and local soil on parasite recovery: A preliminary paleoparasitological evaluation on experimental coprolites
Darío Alejandro Ramirez, Mariana Fabra, Samanta Xavier, Alena Mayo Iñiguez
The Holocene.2022; 32(1-2): 88. CrossRef
Presence of Parasite Remains in Historical Contexts in the City of Córdoba, Argentina, in the Nineteenth Century
Darío Alejandro Ramirez, Henrik Bernhard Lindskoug, Rodrigo Nores
Latin American Antiquity.2022; 33(2): 395. CrossRef
Comparison of two coprological methods for the diagnosis of Eurytrema ssp. in cattle and sheep
L.H. Olmos, A. Pantiu, A. Avellaneda-Cáceres, P.N. Valencia, P.N. Cayo, M. Signorini, J.F. Micheloud
Journal of Helminthology.2022;[Epub] CrossRef
Accessing Ancient Population Lifeways through the Study of Gastrointestinal Parasites: Paleoparasitology
Matthieu Le Bailly, Céline Maicher, Kévin Roche, Benjamin Dufour
Applied Sciences.2021; 11(11): 4868. CrossRef
The what, how and why of archaeological coprolite analysis
Lisa-Marie Shillito, John C. Blong, Eleanor J. Green, Eline N. van Asperen
Earth-Science Reviews.2020; 207: 103196. CrossRef

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Case Report

Clinical and Endoscopic Features of Colonic Anisakiasis in Korea: Sae Kyung Joo, Ji Won Kim, Byeong Gwan Kim, Won Kim, Jae Kyung Lee, Kook Lae Lee; Korean J Parasitol 2019;57(4):411-416.
Published online August 31, 2019; DOI: https://doi.org/10.3347/kjp.2019.57.4.411

Abstract
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To analyze the clinical and endoscopic features of colonic anisakiasis. A retrospective chart review of 20 patients with colonic anisakiasis, who were diagnosed by colonoscopy at 8 hospitals between January 2002 and December 2011, was performed. Patients’ mean age was 53.6±10.74 years. Seventy percent patients were men. Acute abdominal pain was a common symptom that mostly developed within 48 hr after the ingestion of raw fish, and which lasted for 1-28 days. Sixty percent patients had ingested raw fish before the diagnosis of colonic anisakiasis and 40% patients were incidentally found to have colonic anisakiasis during the screening colonoscopies. Leukocytosis and eosinophilia were each found in 20% of the patients. In all patients who underwent colonoscopy, the worms were removed with biopsy forceps, except in 1 case, and a definite diagnosis of anisakiasis was made. In some cases of colonic anisakiasis, colonoscopy may be helpful in the diagnosis and treatment to avoid surgical intervention.

Citations

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HOST SPECIFICITY, INFECTION DYNAMICS, AND ALLERGENICITY IN Anisakis SPP. INFESTATION: A REVIEW
RUO YI LAM , MING SHE SEE , FAIZAH SHAROM-HARRISON, HAZLINA AHAMAD ZAKERI, NOR OMAIMA HARUN
Universiti Malaysia Terengganu Journal of Undergraduate Research.2024; 6(2): 62. CrossRef
Intestinal anisakiasis: CT imaging findings—a 10-year descriptive study in a single center
Zhao Hui Chen Zhou, Gerardo Ayala Calvo, Elena Martínez Chamorro, Laín Ibáñez Sanz, Raquel Sanz de Lucas, Susana Borruel Nacenta
Emergency Radiology.2023; 30(5): 621. CrossRef
Annual Report on the External Quality Assessment Scheme for Clinical Parasitology in Korea (2020–2021)
Jihu Jeon, Eun Jeong Won, Kyung Hwan Byeon, Yu Jeong Lee, Moon-Ju Kim, Myung Geun Shin, Jong Hee Shin
Journal of Laboratory Medicine and Quality Assurance.2022; 44(4): 185. CrossRef
Anisakiosis colónica, un caso infrecuente caracterizado molecularmente mediante PCR-RFLP
Belén González-Bertolín, Nerea Hernanz-Ruiz, Ramón Pérez-Tanoira, María Jesús Perteguer-Prieto
Enfermedades Infecciosas y Microbiología Clínica.2021; 39(6): 308. CrossRef
Colonic anisakiasis, an infrequent case molecularly characterized by PCR-RFLP
Belén González-Bertolín, Nerea Hernanz-Ruiz, Ramón Pérez-Tanoira, María Jesús Perteguer-Prieto
Enfermedades infecciosas y microbiologia clinica (English ed.).2021; 39(6): 308. CrossRef
Endoscopic submucosal dissection of colonic anisakiasis
Diego Martínez-Acitores, Amaia Arrubla Gamboa, Eduardo Albéniz Arbizu, Alba Larrea Ramírez
Revista Española de Enfermedades Digestivas.2020;[Epub] CrossRef

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Brief Communication

Infections of Soil-Transmitted Helminth in Refugees from North Korea: Young-Il Lee, Min Seo, Suk-Bae Kim; Korean J Parasitol 2018;56(3):291-294.
Published online June 30, 2018; DOI: https://doi.org/10.3347/kjp.2018.56.3.291

Abstract
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Soil-transmitted helminthiases (STH) are now no longer public health problems in the Republic of Korea (South Korea), but their status are unavailable in the residents of North Korea (NK) despite the expectation of large scale traffic and future reunification of the Korean Peninsula. A total of 20 female refugees from NK who had been admitted to the Division of Gastroenterology, Dankook University Hospital, were subjected in this study. Among them, 15 refugees were examined by the colonoscopy and 10 ones were examined with the stool examination (formalin-ether sedimentation). Both diagnostic methods were commonly adopted in 5 patients. Eggs of Trichuris trichiura were detected in 7 out of 10 refugees in the stool examination. In the colonoscopy, T. trichiura worms were found in 6 (40.0%) out of 15 refugees. Total 9 (45.0%) peoples were confirmed to be infected with human whipworms. Additionally, 1 case of clonorchiasis was diagnosed in the stool examination and a worm of Ascaris lumbricoides was discovered from a trichuriasis case. These findings suggested that STH is highly prevalent in NO, in which living conditions are not so good in the aspect of general hygiene and medical care.

Citations

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Global prevalence and associated factors of intestinal parasitic infections among institutionalized populations: a systematic review and meta-analysis
Albert Abaka-Yawson, Daniel Sai Squire, Ibrahim Issah, Kenneth Ablordey, Emmanuel Ativi, Serwaa Akoto Bawua, John Arko-Mensah
BMC Infectious Diseases.2025;[Epub] CrossRef
Clonorchis sinensis calcium-binding protein Cs16 causes acute hepatic injury possibly by reprogramming the metabolic pathway of bone marrow-derived monocytes
Qi Li, Xiao Li, Shuo Kan, Ting-Jun Zhu, Chang Li, Xin-Yue Du, Xin Wang, Hui-Bo Yan, Chen-Yun Wu, Guang-Jie Chen, Men-Bao Qian, Min Yan, Zhao-Jun Wang
Frontiers in Cellular and Infection Microbiology.2023;[Epub] CrossRef
Surgical Diseases in North Korea: An Overview of North Korean Medical Journals
Sejin Choi, Taehoon Kim, Soyoung Choi, Hee Young Shin
International Journal of Environmental Research and Public Health.2020; 17(24): 9346. CrossRef
Helminthiases in North Korea: a neglected public health challenge
Eunsuk Chang
Pathogens and Global Health.2019; 113(6): 256. CrossRef

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Case Reports

A Case of Taenia asiatica Infection Diagnosed by Colonoscopy: Heung Up Kim, Young-Bae Chung; Korean J Parasitol 2017;55(1):65-69.
Published online February 28, 2017; DOI: https://doi.org/10.3347/kjp.2017.55.1.65

Abstract
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A case of Taenia asiatica infection detected by small bowel series and colonoscopy is described. The patient was a 42-year-old Korean man accompanied by discharge of movable proglottids via anus. He used to eat raw pig liver but seldom ate beef. Small bowel series radiologic examinations showed flat tape-like filling defects on the ileum. By colonoscopy, a moving flat tapeworm was observed from the terminal ileum to the ascending colon. The tapeworm was identified as T. asiatica by mitochondrial DNA sequencing. The patient was prescribed with a single oral dose (16 mg/kg) of praziquantel.

Citations

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Case Report: Molecular Diagnosis Revealing an Intestinal Infection of a Hybridized Tapeworm (Taenia saginata and Taenia asiatica) to Human in Yunnan, China
Kan-Kan Chu, Ye Qiu, Ce-Heng Liao, Zhi You, Zuo-Shun He, Wen Fang, Hong-Ying Li, Peter Daszak, Jun-Jie Hu, Yun-Zhi Zhang, Xing-Yi Ge
Frontiers in Gastroenterology.2022;[Epub] CrossRef
Ultrasonographic findings of Diphyllobothrium nihonkaiense: A case report
Marehiko Hiroshima, Motoo Nakagawa, Yasuhiko Ito, Ayano Shiba, Yoshiyuki Ozawa, Yuta Shibamoto
Radiology Case Reports.2019; 14(1): 63. CrossRef
Taenia Species, Uterine Branches and Capsule Endoscopy
Maria Teresa Galán-Puchades, Márius V. Fuentes
American Journal of Gastroenterology.2019; 114(2): 356. CrossRef
Porcine cysticercosis (Taenia solium and Taenia asiatica): mapping occurrence and areas potentially at risk in East and Southeast Asia
Uffe Christian Braae, Nguyen Manh Hung, Fadjar Satrija, Virak Khieu, Xiao-Nong Zhou, Arve Lee Willingham
Parasites & Vectors.2018;[Epub] CrossRef
Historical Details about the Meat Consumption and Taeniases in Joseon Period of Korea
Dong Hoon Shin, Jong-Yil Chai, Jong Ha Hong, Min Seo
The Korean Journal of Parasitology.2017; 55(4): 457. CrossRef

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Ectopic Human Fasciola hepatica Infection by an Adult Worm in the Mesocolon: Ah Jin Kim, Chang Hwan Choi, Sun Keun Choi, Yong Woon Shin, Yun-Kyu Park, Lucia Kim, Suk Jin Choi, Jee Young Han, Joon Mee Kim, Young Chae Chu, In Suh Park; Korean J Parasitol 2015;53(6):725-730.
Published online December 31, 2015; DOI: https://doi.org/10.3347/kjp.2015.53.6.725

Abstract
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We report here an ectopic case of Fasciola hepatica infection confirmed by recovery of an adult worm in the mesocolon. A 56-year-old female was admitted to our hospital with discomfort and pain in the left lower quadrant of the abdomen. Abdominal CT showed 3 abscesses in the left upper quadrant, mesentery, and pelvic cavity. On surgical exploration, abscess pockets were found in the mesocolon of the sigmoid colon and transverse colon. A leaf-like worm found in the abscess pocket of the mesocolon of the left colon was diagnosed as an adult fluke of F. hepatica. Histologically, numerous eggs of F. hepatica were noted with acute and chronic granulomatous inflammations in the subserosa and pericolic adipose tissues. Conclusively, a rare case of ectopic fascioliasis has been confirmed in this study by the adult worm recovery of F. hepatica in the mesocolon.

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Molecular identification of Fasciola and Dicrocoelium species isolates in ruminants livestock from Kashan and Arak in center of Iran
Mohsen Arbabi, Hossein Hooshyar, Mahdi Delavari
Journal of Parasitic Diseases.2025; 49(2): 453. CrossRef
Hepatic and Extrahepatic Fascioliasis Mimicking Colon Cancer with Hepatic Metastasis
Youe Ree Kim, Young Hwan Lee, Kwon-Ha Yoon
Korean Journal of Abdominal Radiology.2022; 6(1): 51. CrossRef
Phylogenetic Characteristics of Fasciola hepatica Isolated from a Korean Patient
Mi Jin Jeong, Jae Kyun Park, Hak Sun Yu
The Korean Journal of Parasitology.2022; 60(5): 367. CrossRef
Prevalence of Schistosoma japonicum infection in water buffaloes in selected areas in Davao del Norte and Davao de Oro, the Philippines
Rohani C. Navarro, Aleyla E. de Cadiz, Jordan M. Fronda, Lynnell Alexie D. Ong, Vicente Y. Belizario Jr.
International Journal of One Health.2021; 7(1): 12. CrossRef
Ascariasis Presenting as Hematoma in the Sigmoid Mesocolon: A Case Report
Ji-Eun Kim, Kyung Eun Bae, Hyun-Jung Kim, Byung-Noe Bae, Ji Hae Lee, Mi-Jin Kang, Ji-Young Kim, Jae Hyung Kim
Journal of the Korean Society of Radiology.2020; 81(4): 1013. CrossRef
Parasitological monitoring of European bison (Bison bonasus) from three forests of north-eastern Poland between 2014 and 2016
Michał K. Krzysiak, Aleksander W. Demiaszkiewicz, Magdalena Larska, Jarosław Tomana, Krzysztof Anusz
Journal of Veterinary Research.2020; 64(1): 103. CrossRef
NumerousFasciolaplasminogen-binding proteins may underlie blood-brain barrier leakage and explain neurological disorder complexity and heterogeneity in the acute and chronic phases of human fascioliasis
J. González-Miguel, M. A. Valero, M. Reguera-Gomez, C. Mas-Bargues, M. D. Bargues, F. Simón, S. Mas-Coma
Parasitology.2019; 146(3): 284. CrossRef
Highlights of human ectopic fascioliasis: a systematic review
Ali Taghipour, Leila Zaki, Ali Rostami, Masoud Foroutan, Fatemeh Ghaffarifar, Atefeh Fathi, Amir Abdoli
Infectious Diseases.2019; 51(11-12): 785. CrossRef
A Case of Ectopic Peritoneal Paragonimiasis Mimicking Diverticulitis or Abdominal Abscess
Min Jae Kim, Sung-Han Kim, Sang-Oh Lee, Sang-Ho Choi, Yang Soo Kim, Jun Hee Woo, Yong Sik Yoon, Kyung Won Kim, Jaeeun Cho, Jong-Yil Chai, Yong Pil Chong
The Korean Journal of Parasitology.2017; 55(3): 313. CrossRef

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A Case of Echinostoma cinetorchis (Trematoda: Echinostomatidae) Infection Diagnosed by Colonoscopy: Woon Tae Jung, Kyeong Ju Lee, Hong Jun Kim, Tae Hyo Kim, Byoung-Kuk Na, Woon-Mok Sohn; Korean J Parasitol 2014;52(3):287-290.
Published online June 26, 2014; DOI: https://doi.org/10.3347/kjp.2014.52.3.287

Abstract
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Human cases of echinostomiasis have been sporadically diagnosed by extracting worms in the endoscopy in Korea and Japan. Most of these were caused by Echinostoma hortense infection. However, in the present study, we detected 2 live worms of Echinostoma cinetorchis in the ascending colon of a Korean man (68-year old) admitted to the Gyeongsang National University Hospital with complaint of intermittent right lower quadrant abdominal pain for 5 days. Under colonoscopy, 1 worm was found attached on the edematous and hyperemic mucosal surface of the proximal ascending colon and the other was detected on the mid-ascending colon. Both worms were removed from the mucosal surface with a grasping forceps, and morphologically identified as E. cinetorchis by the characteristic head crown with total 37 collar spines including 5 end-group ones on both sides, disappearance of testes, and eggs of 108×60 ?m with abopercular wrinkles. The infection source of this case seems to be the raw frogs eaten 2 months ago. This is the first case of endoscopy-diagnosed E. cinetorchis infection in Korea.

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Development and utilization of a visual loop-mediated isothermal amplification coupled with a lateral flow dipstick (LAMP-LFD) assay for rapid detection of Echinostomatidae metacercaria in edible snail samples
Wasin Panich, Phonkawin Jaruboonyakorn, Awika Raksaman, Thanawan Tejangkura, Thapana Chontananarth
International Journal of Food Microbiology.2024; 418: 110732. CrossRef
Rare Case of Echinostoma cinetorchis Infection, South Korea
Sooji Hong, Hyejoo Shin, Yoon-Hee Lee, Sung-Jong Hong, So-Ri Kim, Youn-Kyoung Kim, Young-Jin Son, Jeong-Gil Song, Jong-Yil Chai, Bong-Kwang Jung
Emerging Infectious Diseases.2024;[Epub] CrossRef
Neglected food-borne trematodiases: echinostomiasis and gastrodiscoidiasis
Rafael Toledo, María Álvarez-Izquierdo, J. Guillermo Esteban, Carla Muñoz-Antoli
Parasitology.2022; 149(10): 1319. CrossRef
Ancient Echinostome Eggs Discovered in Archaeological Strata Specimens from a Baekje Capital Ruins of South Korea
Min Seo, Sang-Yuck Shim, Hwa Young Lee, Yongjun Kim, Jong Ha Hong, Ji Eun Kim, Jong-Yil Chai, Dong Hoon Shin
Journal of Parasitology.2020; 106(1): 184. CrossRef
Taxonomy of Echinostoma revolutum and 37-Collar-Spined Echinostoma spp.: A Historical Review
Jong-Yil Chai, Jaeeun Cho, Taehee Chang, Bong-Kwang Jung, Woon-Mok Sohn
The Korean Journal of Parasitology.2020; 58(4): 343. CrossRef
An update on human echinostomiasis
R. Toledo, J. G. Esteban
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Heavy Hymenolepis nana Infection Possibly Through Organic Foods: Report of a Case: Bong Jin Kim, Kyung Seob Song, Hyun-Hee Kong, Hee-Jae Cha, Meesun Ock; Korean J Parasitol 2014;52(1):85-87.
Published online February 19, 2014; DOI: https://doi.org/10.3347/kjp.2014.52.1.85

Abstract
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We encountered a patient with heavy Hymenolepis nana infection. The patient was a 44-year-old Korean man who had suffered from chronic hepatitis (type B) for 15 years. A large number of H. nana adult worms were found during colonoscopy that was performed as a part of routine health screening. The parasites were scattered throughout the colon, as well as in the terminal ileum, although the patient was immunocompetent. Based on this study, colonoscopy may be helpful for diagnosis of asymptomatic H. nana infections.

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A neglected zoonotic helminth—Hymenolepis nana, fatal in the pediatric population—an incidental finding
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José Tomás Díaz-Carrillo, Sylvia Páz Díaz-Camacho, Francisco Delgado-Vargas, Ignacio Alfredo Rivero, Gabriela López-Angulo, Juan Ignacio Sarmiento-Sánchez, Julio Montes-Avila
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Original Article

Entamoeba histolytica Induces Cell Death of HT29 Colonic Epithelial Cells via NOX1-Derived ROS: Kyeong Ah Kim, Ju Young Kim, Young Ah Lee, Arim Min, Young Yil Bahk, Myeong Heon Shin; Korean J Parasitol 2013;51(1):61-68.
Published online February 18, 2013; DOI: https://doi.org/10.3347/kjp.2013.51.1.61

Abstract
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Entamoeba histolytica, which causes amoebic colitis and occasionally liver abscess in humans, is able to induce host cell death. However, signaling mechanisms of colon cell death induced by E. histolytica are not fully elucidated. In this study, we investigated the signaling role of NOX in cell death of HT29 colonic epithelial cells induced by E. histolytica. Incubation of HT29 cells with amoebic trophozoites resulted in DNA fragmentation that is a hallmark of apoptotic cell death. In addition, E. histolytica generate intracellular reactive oxygen species (ROS) in a contact-dependent manner. Inhibition of intracellular ROS level with treatment with DPI, an inhibitor of NADPH oxidases (NOXs), decreased Entamoeba-induced ROS generation and cell death in HT29 cells. However, pan-caspase inhibitor did not affect E. histolytica-induced HT29 cell death. In HT29 cells, catalytic subunit NOX1 and regulatory subunit Rac1 for NOX1 activation were highly expressed. We next investigated whether NADPH oxidase 1 (NOX1)-derived ROS is closely associated with HT29 cell death induced by E. histolytica. Suppression of Rac1 by siRNA significantly inhibited Entamoeba-induced cell death. Moreover, knockdown of NOX1 by siRNA, effectively inhibited E. histolytica-triggered DNA fragmentation in HT29 cells. These results suggest that NOX1-derived ROS is required for apoptotic cell death in HT29 colon epithelial cells induced by E. histolytica.

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Involvement of NOX2-derived ROS in human hepatoma HepG2 cell death induced by Entamoeba histolytica
Young Ah Lee, Myeong Heon Shin
Parasites, Hosts and Diseases.2023; 61(4): 388. CrossRef
Signaling Role of NADPH Oxidases in ROS-Dependent Host Cell Death Induced by Pathogenic Entamoeba histolytica
Young Ah Lee, Seobo Sim, Kyeong Ah Kim, Myeong Heon Shin
The Korean Journal of Parasitology.2022; 60(3): 155. CrossRef
The interaction betweenEntamoeba histolyticaand enterobacteria shed light on an ancient antibacterial response
Nancy Guillén
Cellular Microbiology.2019;[Epub] CrossRef
NOX4 activation is involved in ROS‐dependent Jurkat T‐cell death induced by Entamoeba histolytica
Young Ah Lee, Kyeong Ah Kim, Arim Min, Myeong Heon Shin
Parasite Immunology.2019;[Epub] CrossRef
O-deGlcNAcylation is required for Entamoeba histolytica-induced HepG2 cell death
Young Ah Lee, Arim Min, Myeong Heon Shin
Microbial Pathogenesis.2018; 123: 285. CrossRef
GOLPH3 expression promotes the resistance of HT29 cells to 5‑fluorouracil by activating multiple signaling pathways
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Case Report

Intestinal Paragonimiasis with Colonic Ulcer and Hematochezia in An Elderly Taiwanese Woman: Chung-Te Liu, Yen-Cheng Chen, Tso-Hsiao Chen, Ursula Barghouth, Chia-Kwung Fan; Korean J Parasitol 2012;50(4):349-352.
Published online November 26, 2012; DOI: https://doi.org/10.3347/kjp.2012.50.4.349

Abstract
PDF

A 94-year-old female with end-stage renal disease presents with fever, fatigue, and hematochezia. She had previously resided in Hunan Province, China, and Myanmar, and she immigrated to Taiwan 30 years ago. Colonoscopy revealed a colonic ulcer. Biopsy of the colonic ulcer showed ulceration of the colonic mucosa, and many Paragonimus westermani-like eggs were noted. Serum IgG antibody levels showed strong reactivity with P. westermani excretory-secretory antigens by ELISA. Intestinal paragonimiasis was thus diagnosed according to the morphology of the eggs and serologic finding. After treatment with praziquantel, hematochezia resolved. The present case illustrates the extreme manifestations encountered in severe intestinal paragonimiasis.

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Pearlbiga Karki, Pinky Jha, Gaurab Mainali, Manoj Khadka, Prabesh Karki, Jung Bahadur Thapa, Gayatri Karki
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Brief Communication

Calpains are Involved in Entamoeba histolytica-Induced Death of HT-29 Colonic Epithelial Cells: Yun Soo Jang, Kyoung-Ju Song, Ju Young Kim, Young Ah Lee, Kyeong Ah Kim, Sang Kyou Lee, Myeong Heon Shin; Korean J Parasitol 2011;49(2):177-180.
Published online June 14, 2011; DOI: https://doi.org/10.3347/kjp.2011.49.2.177

Abstract
PDF

Entamoeba histolytica is an enteric tissue-invading protozoan parasite that can cause amebic colitis and liver abscess in humans. E. histolytica has the capability to kill colon epithelial cells in vitro; however, information regarding the role of calpain in colon cell death induced by ameba is limited. In this study, we investigated whether calpains are involved in the E. histolytica-induced cell death of HT-29 colonic epithelial cells. When HT-29 cells were co-incubated with E. histolytica, the propidium iodide stained dead cells markedly increased compared to that in HT-29 cells incubated with medium alone. This pro-death effect induced by ameba was effectively blocked by pretreatment of HT-29 cells with the calpain inhibitor, calpeptin. Moreover, knockdown of m- and ?-calpain by siRNA significantly reduced E. histolytica-induced HT-29 cell death. These results suggest that m- and ?-calpain may be involved in colon epithelial cell death induced by E. histolytica.

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The Korean Journal of Parasitology.2014; 52(5): 459. CrossRef
Entamoeba histolytica Induces Cell Death of HT29 Colonic Epithelial Cells via NOX1-Derived ROS
Kyeong Ah Kim, Ju Young Kim, Young Ah Lee, Arim Min, Young Yil Bahk, Myeong Heon Shin
The Korean Journal of Parasitology.2013; 51(1): 61. CrossRef
Mechanisms of Adherence, Cytotoxicity and Phagocytosis Modulate the Pathogenesis of Entamoeba Histolytica
Nathaniel CV Christy, William A Petri
Future Microbiology.2011; 6(12): 1501. CrossRef

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Crossref

Case Reports

Trichuris trichiura Infection Diagnosed by Colonoscopy: Case Reports and Review of Literature: Kyung-Sun Ok, You-Sun Kim, Jung-Hoon Song, Jin-Ho Lee, Soo-Hyung Ryu, Jung-Hwan Lee, Jeong-Seop Moon, Dong-Hee Whang, Hye-Kyung Lee; Korean J Parasitol 2009;47(3):275-280.
Published online August 28, 2009; DOI: https://doi.org/10.3347/kjp.2009.47.3.275

Abstract
PDF

Trichuris trichiura, commonly referred to as a whipworm, has a worldwide distribution, particularly among countries with warm, humid climates. In Korea, trichuriasis was a highly prevalent soil-transmitted helminthiasis until the 1970s. However, the nationwide prevalence decreased to 0.02% in 2004 as a result of national control activities and improvement in the socioeconomic status of Koreans. Most infected individuals have no distinct symptoms, if lightly infected. The diagnosis is typically confirmed by detection of T. trichiura eggs on examination of a stool sample; few reports have described detection of the parasite during colonoscopy. Recently, we managed 4 patients with trichuriasis who were diagnosed by detection of the parasite on colonoscopy, and we reviewed the literature on the colonoscopic diagnosis of T. trichiura in Korea. We suggest that colonoscopy might be a useful diagnostic tool, especially when infected by only a few male worms with no eggs in the stool.

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Intestinal Helminthic Infections Diagnosed by Colonoscopy in a Regional Hospital during 2001-2008
Kyong-Rock Do, Young-Seok Cho, Hyung-Keun Kim, Byung-Hee Hwang, Eun-Jung Shin, Hae-Bin Jeong, Sung-Soo Kim, Hiun-Suk Chae, Myung-Gyu Choi
The Korean Journal of Parasitology.2010; 48(1): 75. CrossRef

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Anchitrema sanguineum (Digenea: Anchitrematidae) Accidentally Found during Colonoscopy of a Patient with Chronic Abdominal Pain: A Case Report: Teera Kusolsuk, Nantana Paiboon, Somchit Pubampen, Wanna Maipanich, Paron Dekumyoy, Jitra Waikagul; Korean J Parasitol 2009;47(2):167-170.
Published online May 27, 2009; DOI: https://doi.org/10.3347/kjp.2009.47.2.167

Abstract
PDF

In November 2007, a 46-year-old male Thai patient presented with chronic abdominal pain for over 3 years. Colonoscopy revealed a small parasite of about 2 × 1 mm in size attached to the cecum mucosa. The worm was removed endoscopically, fixed, and stained for morphological observations. The specimen was identified as Anchitrema sanguineum (Digenea: Anchitrematidae), a trematode first reported in a reptile, Chamaeleo vulgaris, from Egypt, and then sporadically found in the intestines of insectivorous bats and other mammals. The patient was treated with praziquantel but no more worms were found in his stool. His symptoms improved slightly but not cured completely. It remains unclear whether the chronic abdominal pain of the patient was caused by this trematode infection. Whatever is the pathogenicity of this trematode, this is the first human case of A. sanguineum infection in the literature.

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Daniel C G Metz, Andrew V Turner, Alexandria P Nelson, Ryan F Hechinger
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A case of colonic lymphoid tissue invasion by Gymnophalloides seoi in a Korean man: Min Seo, Hokyung Chun, Geunghwan Ahn, Kee-Taek Jang, Sang-Mee Guk, Jong-Yil Chai; Korean J Parasitol 2006;44(1):87-89.
Published online March 20, 2006; DOI: https://doi.org/10.3347/kjp.2006.44.1.87

Abstract
PDF

A 65-year old Korean man, living in Mokpo-city, Jeollanam-do, Republic of Korea, visited a local clinic complaining of right upper quadrant pain and indigestion. At colonoscopy, he was diagnosed as having a carcinoma of the ascending colon, and thus, a palliative right hemicolectomy was performed. Subsequently, an adult fluke of Gymnophalloides seoi was incidentally found in a surgical pathology specimen of the lymph node around the colon. The worm was found to have invaded gut lymphoid tissue, with characteristic morphologies of a large oral sucker, a small ventral sucker, and a ventral pit surrounded by strong muscle fibers. This is the first reported case of mucosal tissue invasion by G. seoi in the human intestinal tract.

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A potential zoonotic parasite, the digenean Gymnophalloides nacellae, on the Magellanic coast in the Southwestern Atlantic Ocean: its life cycle and geographical distribution
Carmen Gilardoni, Gisele Di Giorgio, Estefanía Bagnato, Susana Pina, Pedro Rodrigues, Florencia Cremonte
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Brief Communication

Intestinal Helminthic Infections Diagnosed by Colonoscopy in a Regional Hospital during 2001-2008: Do, Kyong Rock , Cho, Young Seok , Kim, Hyung Keun , Hwang, Byung Hee , Shin, Eun Jung , Jeong, Hae Bin , Kim, Sung Soo , Chae, Hiun Suk , Choi, Myung Gyu; Korean J Parasitol 2010;48(1):75-78.; DOI: https://doi.org/10.3347/kjp.2010.48.1.75

Abstract
PDF

The present study investigated characteristics of 24 parasite infection cases detected during colonoscopy in a regional hospital from January 2001 to December 2008. Sixteen patients were confirmed with Trichuris trichiura infection, 6 patients were with Ascaris lumbricoides infection, 1 patient with Enterobius vermicularis infection, and 1 patient with Anisakis infection. Among them, 7 patients (43.8%) were asymptomatic. Colonoscopy findings were normal in 18 patients (75.0%). Among the patients with T. trichiura infection, colonoscopy showed several erosions in 2 patients (8.3%) and non-specific inflammation of the affected segment of the colon in 3 patients (12.5%). In 1 patient with anisakiasis, colonoscopy revealed a markedly swollen colonic wall. Stool examinations were performed before treatment in 7 patients (29.2%) and were all negative for parasite eggs or worms. These results suggest that colonoscopy is a useful diagnostic approach for parasitic infections even for asymptomatic patients and for patients with negative stool examinations.

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Goh Eun Chung, Changhyun Lee, Jong In Yang, Seung Ho Choi, Joo Sung Kim, Jeong Yoon Yim, Hae Yeon Kang, Su Jin Chung, Min-Sun Kwak
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Clinical correlates of trichuriasis diagnosed at colonoscopy
Ashish Kumar Jha, Mahesh Kumar Goenka, Arya Suchismita
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