Parasites, Hosts and Diseases

"Wanna Maipanich"

Case Report

Asymptomatic Human Paragonimiasis among the Karen People in Tak Province, Thailand: A Case Report: Teera Kusolsuk, Orawan Phuphisut, Wanna Maipanich, Somchit Pubampen, Surapol Sa-nguankiat, Akkarin Poodeepiyasawat, Nirundorn Homsuwan, Srisuchart Mongkolmoo, Tippayarat Yoonuan, Poom Adisakwattana, Udomsak Silachamroon, Yukifumi Nawa; Korean J Parasitol 2020;58(1):57-60.
Published online February 29, 2020; DOI: https://doi.org/10.3347/kjp.2020.58.1.57

During the mobile clinic activities in Tak Province, Thailand, Paragonimus sp. eggs were found in a fecal sample of a 72-year-old Karen resident. Paragonimus DNA was amplified from the stool sample and identified to P. heterotremus. The patient did not have any symptoms. Apparent pulmonary lesion was not found on the chest X-ray. The patient admitted habitual consumption of semi-cooked or roasted waterfall crabs for several years. The waterfall crabs collected from stream near the village were found negative for Paragonimus metacercariae. In northern Thailand, paragonimiasis remains as one of the public health concerns and should be ruled out for asymptomatic pulmonary patients.

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Lung flukes of the genusParagonimus: ancient and re-emerging pathogens
David Blair
Parasitology.2022; 149(10): 1286. CrossRef

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Brief Communication

First Record of Paramphistomes Fischoederius cobboldi and Paramphistomum epiclitum Detected in Bovine Rumen from a Local Market of Savannakhet Province, Lao PDR: Surapol Sanguankiat, Marcello Otake Sato, Megumi Sato, Wanna Maipanich, Tippayarat Yoonuan, Tiengkham Pongvongsa, Boungnong Boupha, Yuichi Chigusa, Kazuhiko Moji, Jitra Waikagul; Korean J Parasitol 2016;54(4):543-547.
Published online August 31, 2016; DOI: https://doi.org/10.3347/kjp.2016.54.4.543

Abstract
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In the present study, we report on the occurrence of paramphistomes, Fischoederius cobboldi and Paramphistomum epiclitum, in Lao PDR with the basis of molecular data. Parasite materials were collected from bovines bred in Ban Lahanam area, Savannakhet Province, Lao PDR at Lahanam public market. Morphological observations indicated 2 different species of paramphistomes. The mitochondrial gene cox1 of the specimens was successfully amplified by PCR and DNA sequencing was carried out for diagnosis of 11 specimens. Pairwise alignment of cox1 sequences were performed and confirmed F. cobboldi and P. epiclitum infecting bovines in Laos. Although there were many limiting points, as the small number of worm samples, and the restricted access of the animal host materials, we confirmed for the first time that 2 species of paramphistomes, F. cobboldi and P. epiclitum, are distributed in Lao PDR. More studies are needed to confirm the paramphistome species present in Savannakhet and its hosts to clear the natural history of these parasites of ruminants in the region and measure the impact of this parasite infection in the life and health of the local people.

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Exploring medicinal plants for antiparamphistomiasis: A scoping review of pharmacological insights and methodologies
Iman Surya Pratama, Wisnu Nurcahyo, Enade Perdana Istyastono, Triana Hertiani
Veterinary Parasitology.2025; 338: 110522. CrossRef
Evolutionary affinities and morphological characterization of the enigmatic Zonocotyle bicaecata (Trematoda: Paramphistomoidea: Zonocotylidae) from the Upper Paraná River basin
Letícia C. Bedin, Philippe V. Alves, Reinaldo J. da Silva
Systematic Parasitology.2024;[Epub] CrossRef
Epidemiology of rumen fluke infection in selected buffalo farms in perak, malaysia: prevalence, molecular species identification, and associated risk factors
Nazir Ahmad Tookhy, Nur-Mahiza Md Isa, Yasmin Abd Rahaman, Nur Indah Ahmad, Reuben Sunil Kumar Sharma, Lokman Hakim Idris, Rozaihan Mansor, Dung Thi Bui, Noor Hazfalinda Hamzah, Shoaib Ahmad Shakhes
Parasitology Research.2024;[Epub] CrossRef
Differentiating paramphistome species in cattle using DNA barcoding coupled with high-resolution melting analysis (Bar-HRM)
Kittisak Buddhachat, Sirikhwan Sriuan, Sirapat Nak-on, Thapana Chontananarth
Parasitology Research.2023; 122(3): 769. CrossRef
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Nazir Ahmad Tookhy, Md Isa Nur-Mahiza, Rozaihan Mansor, Abd Rahman Yasmin, Nur Indah Ahmad, Noor Hazfalinda Hamzah, Lokman Hakim Idri
Pertanika Journal of Tropical Agricultural Science.2022; 45(3): 781. CrossRef
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O. V. Kruchynenko, S. M. Mykhailiutenko, M. A. Petrenko, L. M. Kuzmenko
Biosystems Diversity.2021; 29(3): 251. CrossRef
Molecular classification of rumen fluke eggs in fecal specimens from Suphanburi Province, Thailand, based on cytochrome C oxidase subunit 1
Sothorn Anucherngchai, Thapana Chontananarth, Thanawan Tejangkura, Chalobol Wongsawad
Veterinary Parasitology: Regional Studies and Reports.2020; 20: 100382. CrossRef
Rumen fluke, Fischoederius elongatus (Trematoda: Gastrothylacidae): Preliminary investigation of suitable conditions for egg hatching
Sirapat Nak-on, Thapana Chontananarth
Veterinary Parasitology.2020; 282: 109135. CrossRef
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Joilson Ferreira Batista, Francisco das Chagas Ribeiro Magalhães Neto, Kayo Sandro Pimentel do Prado Lopes, Marcello Otake Sato, Carlos Henrique Nery Costa, Ivete Lopes de Mendonça
Revista Brasileira de Parasitologia Veterinária.2020;[Epub] CrossRef
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Qasim Ali, Imran Rashid, Muhammad Zubair Shabbir, Haroon Akbar, Kashif Shahzad, Kamran Ashraf, Neil Sargison, Umer Chaudhry
Parasitology International.2018; 67(5): 533. CrossRef
Preference of A/T ending codons in mitochondrial ATP6 gene under phylum Platyhelminthes
Gulshana A Mazumder, Arif Uddin, Supriyo Chakraborty
Molecular and Biochemical Parasitology.2018; 225: 15. CrossRef

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Articles from Symposium on Asian Taenia (October 2011, Osong, Korea)

Genetic Diversity of Taenia asiatica from Thailand and Other Geographical Locations as Revealed by Cytochrome c Oxidase Subunit 1 Sequences: Malinee Thairungroj Anantaphruti, Urusa Thaenkham, Dorn Watthanakulpanich, Orawan Phuphisut, Wanna Maipanich, Tippayarat Yoonuan, Supaporn Nuamtanong, Somjit Pubampen, Surapol Sanguankiat; Korean J Parasitol 2013;51(1):55-59.
Published online February 18, 2013; DOI: https://doi.org/10.3347/kjp.2013.51.1.55

Abstract
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Twelve 924 bp cytochrome c oxidase subunit 1 (cox1) mitochondrial DNA sequences from Taenia asiatica isolates from Thailand were aligned and compared with multiple sequence isolates from Thailand and 6 other countries from the GenBank database. The genetic divergence of T. asiatica was also compared with Taenia saginata database sequences from 6 different countries in Asia, including Thailand, and 3 countries from other continents. The results showed that there were minor genetic variations within T. asiatica species, while high intraspecies variation was found in T. saginata. There were only 2 haplotypes and 1 polymorphic site found in T. asiatica, but 8 haplotypes and 9 polymorphic sites in T. saginata. Haplotype diversity was very low, 0.067, in T. asiatica and high, 0.700, in T. saginata. The very low genetic diversity suggested that T. asiatica may be at a risk due to the loss of potential adaptive alleles, resulting in reduced viability and decreased responses to environmental changes, which may endanger the species.

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Taenia asiatica: Mitochondrial signatures based analysis of an emerging public health threat in India
Aman D. Moudgil, Anil K. Nehra, Pallavi Moudgil
New Microbes and New Infections.2025; 63: 101562. CrossRef
Identification of species and genetic variation in Taenia isolates from human and swine of North India
Satyendra K. Singh, Kashi N. Prasad, Aloukick K. Singh, Kamlesh K. Gupta, Ranjeet S. Chauhan, Amrita Singh, Avinash Singh, Ravi P. Rai, Binod K. Pati
Parasitology Research.2016; 115(10): 3689. CrossRef
Epidemiology and genetic diversity of Taenia asiatica: a systematic review
Anita Ale, Bjorn Victor, Nicolas Praet, Sarah Gabriël, Niko Speybroeck, Pierre Dorny, Brecht Devleesschauwer
Parasites & Vectors.2014;[Epub] CrossRef
Current Status of Taeniasis in Thailand
Malinee Thairungroj Anantaphruti
The Korean Journal of Parasitology.2013; 51(1): 37. CrossRef

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Original Article

Haplorchis taichui as a Possible Etiologic Agent of Irritable Bowel Syndrome-Like Symptoms: Dorn Watthanakulpanich, Jitra Waikagul, Wanna Maipanich, Supaporn Nuamtanong, Surapol Sanguankiat, Somchit Pubampen, Rangson Praevanit, Srisuchat Mongkhonmu, Yukifumi Nawa; Korean J Parasitol 2010;48(3):225-229.
Published online September 16, 2010; DOI: https://doi.org/10.3347/kjp.2010.48.3.225

Abstract
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The aim of this study is to clarify the clinical features of Haplorchis taichui infection in humans in Nan Province, Thailand, and to correlate the clinical features with irritable bowel syndrome (IBS)-like symptoms. In this study area, only H. taichui, but neither other minute intestinal flukes nor small liver flukes were endemic. The degree of infection was determined by fecal egg counts and also by collecting adult worms after deworming. The signs and symptoms of individual patients together with their hematological and biochemical laboratory data were gathered to evaluate the relationship between the clinical features and the severity of infection. Special emphasis was made to elucidate the possible similarities of the clinical features of H. taichui infection and IBS-like symptoms. The results showed useful clinical information and the significant (> 50%) proportion of haplorchiasis patients complained of abdominal pain, lassitude, and flatulence, which were the important diagnostic symptoms of IBS. This study has reported a possible link between H. taichui and IBS, and H. taichui might probably play a role in the etiology of these IBS-like symptoms.

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Brief Communication

Egg Laying Capacity of Haplorchis taichui (Digenea: Heterophyidae) in Humans: Megumi Sato, Surapol Sanguankiat, Somchit Pubampen, Teera Kusolsuk, Wanna Maipanich, Jitra Waikagul; Korean J Parasitol 2009;47(3):315-318.
Published online August 28, 2009; DOI: https://doi.org/10.3347/kjp.2009.47.3.315

Abstract
PDF

Quantitative fecal egg counts represented as the number of eggs per gram of feces (EPG) are generally a reliable parameter to estimate the worm burden of intestinal and hepatic parasitoses. Although Haplorchis taichui (Digenea: Heterophyidae) is one of the most common minute human intestinal flukes, little is known about the relationship between EPG and the actual worm burden in patients or the severity of the disease. In the present study, fecal samples were collected from 25 villagers in northern Thailand before and after praziquantel treatment. The EPG values of each participant were determined by the modified cellophane thick smear method, and adult worms were collected from the whole stool after the treatment. Eggs per day per worm (EPDPW) of H. taichui were estimated 82 from egg counts and expelled worms. The EPG was not well correlated with the worm burden, and a reverse correlation was observed between the EPDPW and the worm burden.

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Case Report

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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