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Hyeng-Il Cheun 3 Articles
Development of a Diagnostic Kit to Detect Cryptosporidium parvum and Giardia lamblia
Hyeng-Il Cheun, Byung-Suk Chung, Da-Won Ma, Bo-La Goo, Shin-Hyeong Cho, Mi-jung Ji, Won-Ja Lee
Osong Public Health Res Perspect. 2013;4(3):146-151.   Published online June 30, 2013
DOI: https://doi.org/10.1016/j.phrp.2013.04.006
  • 4,292 View
  • 24 Download
  • 7 Crossref
AbstractAbstract PDF
Objectives
This study aims to develop a high-sensitivity antibody diagnostic kit that will enable a rapid and accurate detection of Cryptospofidium parvum and Giardia lamblia in patients with diarrhea.
Methods
The cultivated C. parvum oocysts and G. lamblia cysts in each calf and dog were injected to mice to obtain antibodies, which were titrated. Spleen cells of the immunized mouse were separated and blended with myelomas to produce hybrid cell lines that form monoclonal antibodies. Using ELISA method, antibodies that specifically respond to C. parvum and G.lamblia were then selected. The cells were injected into the abdominal cavity of a BALB/c mouse to isolate hydrops abdominis containing high level of antibodies. The IgG antibody was purified using protein G gel.
Results
The detection limit of monoclonal antibodies for Cryptosporidium parvum and Giardia lamblia was 125 oocysts/mL and 1250 cysts/mL, respectively. In addition, during testing they did not show cross-reactivity to viruses (n = 15), bacteria (n =17), and parasites (n = 9).
Conclusion
The rapid diagnostic antibody kit developed in this study, which specifically responds to C. parvum and G. lamblia, will be useful in detecting and monitoring diarrheal infections.

Citations

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  • Comprehensive review of conventional and state-of-the-art detection methods of Cryptosporidium
    George Luka, Ehsan Samiei, Nishat Tasnim, Arash Dalili, Homayoun Najjaran, Mina Hoorfar
    Journal of Hazardous Materials.2022; 421: 126714.     CrossRef
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    Water Science and Technology.2021; 83(1): 1.     CrossRef
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    George S. Luka, Ephraim Nowak, Quin Robert Toyata, Nishat Tasnim, Homayoun Najjaran, Mina Hoorfar
    Scientific Reports.2021;[Epub]     CrossRef
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    Laura Sutarlie, Sian Yang Ow, Xiaodi Su
    Biotechnology Journal.2017;[Epub]     CrossRef
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    Mark S Riddle, Herbert L DuPont, Bradley A Connor
    American Journal of Gastroenterology.2016; 111(5): 602.     CrossRef
  • Multiplex-Touchdown PCR to Simultaneously Detect Cryptosporidium parvum, Giardia lamblia, and Cyclospora cayetanensis, the Major Causes of Traveler’s Diarrhea
    Ji-Hun Shin, Sang-Eun Lee, Tong Soo Kim, Da-Won Ma, Jong-Yil Chai, Eun-Hee Shin
    The Korean Journal of Parasitology.2016; 54(5): 631.     CrossRef
  • Advancing Cryptosporidium Diagnostics from Bench to Bedside
    Raul V. Destura, Rohani B. Cena, Ma. Jowina H. Galarion, Coleen M. Pangilinan, Geraldine M. Arevalo, Ryan Oliver C. Alba, Joy Ann G. Petronio, Gielenny M. Salem, Brian Schwem, Jesus Emmanuel A. D. Sevilleja
    Current Tropical Medicine Reports.2015; 2(3): 150.     CrossRef
The First Outbreak of Giardiasis with Drinking Water in Korea
Hyeng-Il Cheun, Cheon-Hyeon Kim, Shin-Hyeong Cho, Da-Won Ma, Bo-La Goo, Mun-Su Na, Seung-Ki Youn, Won-Ja Lee
Osong Public Health Res Perspect. 2013;4(2):89-92.   Published online April 30, 2013
DOI: https://doi.org/10.1016/j.phrp.2013.03.003
  • 3,341 View
  • 24 Download
  • 25 Crossref
AbstractAbstract PDF
Objectives
To identify the pathogen of the diarrhea outbreak in a village in Jeollabuk province in Korea in April 2010.
Methods
DNA extraction was performed from the 120 L of collected water, which was centrifuged at 10,000 x g for 30 min. PCR reactions were conducted in a total of 25 ul, which included PCR premix (GenDEPOT, Barker, TX, USA), 2 ul (∼100 ng) of extracted DNA, and 10 pmol of each primer.
Results
Nine people out of 25 had a symptom of abdominal pain accompanied by diarrhea after they used stored valley water in a water tank as a provisional water supply source without chlorine sterilization. Among them Giardia lamblia was detected in fecal samples of 7 people using the polymerase chain reaction method. Although G. lamblia was also detected from water provided by the provisional water supply system stored in the water tank and used as drinking water, it was not detected in the water tank itself. This water-borne outbreak is considered to have occurred when the provisional water supply tube was destroyed under a building construction and contaminated by G. lamblia, but its precise cause has not been clarified.
Conclusion
This outbreak resulting from G. lamblia is very meaningful as the first outbreak of an infection by a water-borne parasite in Korea.

Citations

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    Layla Ben Ayed, Shahira Abdelaziz Ali Ahmed, Sonia Boughattas, Panagiotis Karanis
    Journal of Water and Health.2024;[Epub]     CrossRef
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    Haeseung Lee, Dongmi Kwak
    Frontiers in Veterinary Science.2023;[Epub]     CrossRef
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    Sarah Krumrie, Paul Capewell, Alison Smith-Palmer, Dominic Mellor, Willie Weir, Claire L. Alexander
    Current Research in Parasitology & Vector-Borne Di.2022; 2: 100084.     CrossRef
  • Prevalence and molecular characterization of Giardia duodenalis in small ruminants of Shiraz, southwestern Iran: A zoonotic concern
    Ali Asghari, Farzad Mahdavi, Laya Shamsi, Mohammad Hossein Motazedian, Qasem Asgari, Saeed Shahabi, Behnam Mohammadi-Ghalehbin, Alireza Sadrebazzaz
    Comparative Immunology, Microbiology and Infectiou.2022; 86: 101819.     CrossRef
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    Deiviane A. Calegar, Beatriz C. Nunes, Kerla J. L. Monteiro, Polyanna A. A. Bacelar, Brenda B. C. Evangelista, Mayron M. Almeida, Jurecir Silva, Jéssica P. Santos, Márcio N. Boia, Lauren H. Jaeger, Filipe A. Carvalho-Costa
    Microorganisms.2022; 10(5): 940.     CrossRef
  • Molecular Identification of Parasitic Protozoa Sarcocystis in Water Samples
    Živilė Strazdaitė-Žielienė, Agnė Baranauskaitė, Dalius Butkauskas, Elena Servienė, Petras Prakas
    Veterinary Sciences.2022; 9(8): 412.     CrossRef
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    Blanca Lisseth Guzmán Barragán, Marcelo de Souza Lauretto, Maria Tereza Pepe Razzolini, Adelaide Cássia Nardocci, Karen Vanessa Marimón Sibaja
    Water Environment Research.2022;[Epub]     CrossRef
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    Kui Hyun Yoon
    Laboratory Medicine Online.2022; 12(4): 315.     CrossRef
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    Mohora Feida Malebatja, Mpata Mathildah Mokgatle
    International Journal of Environmental Research an.2022; 20(1): 598.     CrossRef
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    Priyanka KUMARI, Kyung Yeon EO, Woo-Shin LEE, Junpei KIMURA, Naomichi YAMAMOTO
    Journal of Veterinary Medical Science.2021; 83(5): 850.     CrossRef
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    Sang-Ik Oh, Suk-Han Jung, Han-Kyoung Lee, Changyong Choe, Tai-Young Hur, Kyoung-Min So
    Veterinary Sciences.2021; 8(7): 118.     CrossRef
  • Development of a simple, rapid multiplex PCR tool kit by using the 16S rRNA gene for the identification of faecal and non-faecal coliforms in drinking water
    A. Shiva Shanker, N. Rajesh, Pavan Kumar Pindi
    Water Supply.2021; 21(7): 3319.     CrossRef
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    Elodie Géba, Dominique Aubert, Loïc Durand, Sandy Escotte, Stéphanie La Carbona, Catherine Cazeaux, Isabelle Bonnard, Fanny Bastien, Mélissa Palos Ladeiro, Jitender P. Dubey, Isabelle Villena, Alain Geffard, Aurélie Bigot-Clivot
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    Haeseung Lee, ByeongYeal Jung, Jun-Sik Lim, Min-Goo Seo, Seung-Hun Lee, Kwang-Ho Choi, Mi-Hye Hwang, Tae-Hwan Kim, Oh-Deog Kwon, Dongmi Kwak
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    Da-Won Ma, Myoung-Ro Lee, Sung-Hee Hong, Shin-Hyeong Cho, Sang-Eun Lee
    The Korean Journal of Parasitology.2019; 57(5): 531.     CrossRef
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    Fernanda Pinto Ferreira, Eloiza Teles Caldart, Roberta Lemos Freire, Regina Mitsuka-Breganó, Felipe Machado de Freitas, Ana Carolina Miura, Marcelle Mareze, Felippe Danyel Cardoso Martins, Mariana Ragassi Urbano, Adilson Luiz Seifert, Italmar Teodorico Na
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  • A Case of Colitis by <i>Giardia lamblia</i> Infection with Atypical Presentation
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    Ecotoxicology and Environmental Safety.2015; 113: 400.     CrossRef
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Prevalence of Clonorchis sinensis Infections Along the Five Major Rivers in Republic of Korea, 2007
Hyun-Kyung Kim, Hyeng-Il Cheun, Byung-Suk Cheun, Ki-Yeon Lee, Tong-Soo Kim, Sang-Eun Lee, Won-ja Lee, Shin-Hyeong Cho
Osong Public Health Res Perspect. 2010;1(1):43-49.   Published online December 31, 2010
DOI: https://doi.org/10.1016/j.phrp.2010.12.010
  • 3,183 View
  • 15 Download
  • 21 Crossref
AbstractAbstract PDF
Objectives
The prevalence of Clonorchis sinensis infection was investigated among residents of the five major river basins, that is, Hangang, Nakdonggang, Seomjingang, Yeongsangang, and Geumgang River basins in Korea.
Methods
From January to December 2007, a total of 31,268 stool samples were collected from 29 localities and examined by the formalin-ether sedimentation technique.
Results
Intestinal parasite eggs and/or protozoan cysts were detected from 2957 (9.5%) inhabitants. Number of residents harbouring helminth eggs in the faeces was 2542 (8.1%) for C. sinensis, 255 (0.8%) for Heterophyes spp., 36 (0.1%) for Echinostoma spp., 30 (0.1%) for Trichuris trichiura, 8 (0.03%) for Ascaris lumbricoides, 7 (0.02%) for Gymnophalloide seoi, and 50 (0.02%) for Trichostrongylus orientalis. Number of residents harbouring protozoan cysts in the faeces was 133 (1.3%) for Entamoeba spp. and 50 (0.2%) for Giardia lamblia. The positive rates of C. sinensis in Nakdonggang, Seomjingang, Yeongsangang, Geumgang, and Hangang River basins were 12.2%, 9.5%, 3.3%, 3.0%, and 1.0%, respectively. The egg positive rate of C. sinensis was higher in male (10.6%) than in female (6.1%), and the age group of 50s had the highest positive rate (10.4%).
Conclusion
The result of this study revealed little decrease in positive rate of C. sinensis compared with the result of southern endemic areas of Korea in 2006.

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