Parasites, Hosts and Diseases

"clinical case"

Brief Communication

Molecular detection and characterization of Acanthamoeba infection in dogs and its association with keratitis in Korea: Subin Lee, Badriah Alkathiri, Ji Seung Jung, Nanyoung Kang, Jiyi Hwang, Sang-Eun Park, Yeonchul Hong, Kyung-Mee Park, Seung-Hun Lee; Parasites Hosts Dis 2024;62(1):139-144.
Published online February 23, 2024; DOI: https://doi.org/10.3347/PHD.23112

Abstract
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Acanthamoeba infection is associated with keratitis in humans; however, its association with keratitis in dogs remains unclear. To investigate this possibility, we collected 171 conjunctival swab samples from dogs with eye-related diseases (65 with keratitis and 106 without keratitis) at Chungbuk National University Veterinary Teaching Hospital, Korea, from August 2021 to September 2022. Polymerase chain reaction identified 9 samples (5.3%) as Acanthamoeba positive; of these, 3 were from dogs with keratitis (4.6%) and 6 were from dogs without keratitis (5.7%). Our results indicated no significant association between Acanthamoeba infection and keratitis, season, sex, or age. All Acanthamoeba organisms found in this study had the genotype T4, according to 18S ribosomal RNA analysis. Acanthamoeba infection in dogs might have only a limited association with keratitis.

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Epidemiology, molecular characterization, and risk factors of Acanthamoeba spp., Blastocystis spp., and Cyclospora spp. infections in snakes in China
Yilei Zhang, Zhouchun Li, Xinyuan Wang, Kaili Gao, Lijie Tian, Olalekan Opeyemi Ayanniyi, Qianming Xu, Congshan Yang
Veterinary Parasitology.2025; 335: 110420. CrossRef
Acanthamoeba spp.: Neglected Protists in Veterinary Medicine
Somayeh Bahrami, Mehdi Zarei, Fiona L. Henriquez, Chukwunonso O. Nzelu
Acta Parasitologica.2025;[Epub] CrossRef
Anti-adherent effects of Rhizophora apiculata bark and leaf extracts and computational prediction of the effects of its compound on β-tubulin interaction in Acanthamoeba triangularis genotype 4
Siriphorn Chimplee, Imran Sama-ae, Suthinee Sangkanu, Watcharapong Mitsuwan, Julalak Chuprom, Rachasak Boonhok, Dhrubo Ahmed Khan, Partha Biswas, Md Nazmul Hasan, Hazel Anne Tabo, Cristina C. Salibay, Polrat Wilairatana, Maria L. Pereira, Muhammad Nawaz,
Veterinary World.2024; : 2829. CrossRef

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Case Report

First Clinical Cases of Spirometrosis in Two Cats in Korea: Joohyung Kim, Younsung Ock, Kihwan Yang, Seongjun Choe, Kyung-Mee Park, Wan-Kyu Lee, Kyung-Chul Choi, Soochong Kim, Dongmi Kwak, Seung-Hun Lee; Korean J Parasitol 2021;59(2):153-157.
Published online April 22, 2021; DOI: https://doi.org/10.3347/kjp.2021.59.2.153

This study reports the first two clinical cases of spirometrosis caused by Spirometra sp. in cats in Korea. In these two cases, the cats vomited, and long proglottids of tapeworm were recovered. The sick cats presented with anorexia and lethargy. However, they unexpectedly showed no diarrhea, which is the main symptom of spirometrosis. Based on a fecal floatation test as well as morphological and molecular analyses, the parasite was diagnosed as Spirometra sp. The 2 cases were treated with praziquantel. This study suggests regular monitoring of health and deworming in companion animals, even when animals are well cared for, with regular preventive medication. Additionally, spirometrosis should be considered in the differential diagnosis in cases of gastrointestinal symptoms in Spirometra endemic areas.

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First morphological and molecular characterisation of Spirometra mansoni (Cestoda, Diphyllobothriidae) in a domestic cat from Veracruz, Mexico
Enrique Salazar-Grosskelwing, Roger I. Rodriguez-Vivas, Manuel E. Bolio-González, Dora Romero-Salas, Rodolfo Ramos-Beltrán, Alberto Solano-Barquero, Alicia Rojas
Veterinary Parasitology: Regional Studies and Reports.2025; 57: 101189. CrossRef
Description of Spirometra asiana sp. nov. (Cestoda: Diphyllobothriidae) found in wild boars and hound dogs in Japan
Hiroshi Yamasaki, Hiromu Sugiyama, Yasuyuki Morishima, Hirotaka Kobayashi
Parasitology International.2024; 98: 102798. CrossRef
Molecular identification of Spirometra infections in companion animals and wildlife in Japan
Hiroshi YAMASAKI, Hiromu SUGIYAMA, Yasuyuki MORISHIMA, Yasuhito SAKO
Journal of Veterinary Medical Science.2024; 86(4): 409. CrossRef
WITHDRAWN: First morphological and molecular characterisation of Spirometra mansoni (Cestoda, Diphyllobothriidae) in a domestic cat from Veracruz, Mexico
Enrique Salazar-Grosskelwing, Roger I. Rodriguez-Vivas, Manuel E. Bolio-González, Dora Romero-Salas, Rodolfo Ramos-Beltrán, Alberto Solano-Barquero, Alicia Rojas
Veterinary Parasitology: Regional Studies and Reports.2024; 56: 101127. CrossRef

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Brief Communication

Parasitic Infections Based on 320 Clinical Samples Submitted to Hanyang University, Korea (2004-2011): Sung-Chul Choi, Soo-Young Lee, Hyun-Ouk Song, Jae-Sook Ryu, Myoung-Hee Ahn; Korean J Parasitol 2014;52(2):215-220.
Published online April 18, 2014; DOI: https://doi.org/10.3347/kjp.2014.52.2.215

Abstract
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We analyzed 320 clinical samples of parasitic infections submitted to the Department of Environmental Biology and Medical Parasitology, Hanyang University from January 2004 to June 2011. They consisted of 211 nematode infections, 64 trematode or cestode infections, 32 protozoan infections, and 13 infections with arthropods. The nematode infections included 67 cases of trichuriasis, 62 of anisakiasis (Anisakis sp. and Pseudoterranova decipiens), 40 of enterobiasis, and 24 of ascariasis, as well as other infections including strongyloidiasis, thelaziasis, loiasis, and hookworm infecions. Among the cestode or trematode infections, we observed 27 cases of diphyllobothriasis, 14 of sparganosis, 9 of clonorchiasis, and 5 of paragonimiasis together with a few cases of taeniasis saginata, cysticercosis cellulosae, hymenolepiasis, and echinostomiasis. The protozoan infections included 14 cases of malaria, 4 of cryptosporidiosis, and 3 of trichomoniasis, in addition to infections with Entamoeba histolytica, Entamoeba dispar, Entamoeba coli, Endolimax nana, Giardia lamblia, and Toxoplasma gondii. Among the arthropods, we detected 6 cases of Ixodes sp., 5 of Phthirus pubis, 1 of Sarcoptes scabiei, and 1 of fly larva. The results revealed that trichuriasis, anisakiasis, enterobiasis, and diphyllobothriasis were the most frequently found parasitosis among the clinical samples.

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Sunmin Kim, Jong Yoon Jeon, Kyunglee Lee, Hyunjoo Lee, Han Chan Park, Kyung Eun Lee, Hang Lee, Sung Bin Lee, Sang Wha Kim, Se Chang Park, Seongjun Choe, Heejeong Youn
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Epidemiology of Taenia saginata taeniosis/cysticercosis: a systematic review of the distribution in East, Southeast and South Asia
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The Korean Journal of Parasitology.2019; 57(6): 699. CrossRef
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Soo-Young Na, Heung Up Kim, Young Ree Kim, Seung Uk Jeong, Sun-Jin Boo, Hyun Joo Song, Eun Kwang Choi, Byung-Cheol Song
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Case Report

First Report of Feline Intestinal Trichomoniasis Caused by Tritrichomonas foetus in Korea: Sun Lim, Sang-Ik Park, Kyu-Sung Ahn, Dae-Sung Oh, Jae-Sook Ryu, Sung-Shik Shin; Korean J Parasitol 2010;48(3):247-251.
Published online September 16, 2010; DOI: https://doi.org/10.3347/kjp.2010.48.3.247

Abstract
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Feline intestinal tritrichomoniasis by Tritrichomonas foetus was first recognized in USA in 1999 and has so far been reported from UK, Norway, Switzerland, and Australia, but not from the Far East Asian countries. In November 2008, 2 female and male littermate Siamese cats, 6-month old, raised in a household in Korea were referred from a local veterinary clinic with a history of chronic persistent diarrhea. A direct smear examination of fecal specimens revealed numerous trichomonad trophozoites which were isolated by the fecal culture in InPouch™ TF-Feline medium. A PCR testing of the isolate based on the amplification of a conserved portion of the T. foetus internal transcribed spacer (ITS) regions (ITS1 and ITS2) and the 5.8S rRNA gene, and the molecular sequencing of the PCR amplicons confirmed infection with T. foetus. This is the first clinical case of feline intestinal trichomoniasis caused by T. foetus in Korea.

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