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Korean Journal of Parasitology

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https://www.readbyqxmd.com/read/28285515/seroprevalence-of-toxoplasma-gondii-among-hiv-patients-in-jahrom-southern-iran
#1
Hassan Rezanezhad, Fateme Sayadi, Enayatollah Shadmand, Seyed Dawood Mousavi Nasab, Hadi Rezaei Yazdi, Kavous Solhjoo, Akbar Kazemi, Monireh Maleki, Abbas Ahmadi Vasmehjani
Toxoplasma gondii is an important opportunistic agent especially in immunocompromised hosts and can cause significant morbidity and mortality. Hence, detection and monitoring of anti-Toxoplasma antibodies are of a great interest in HIV-infected patients. A study on the prevalence of toxoplasmosis and associated risk factors was carried out among HIV-infected patients in Jahrom, southern Iran. The prevalence of anti-Toxoplasma IgG antibodies was 21.1% in HIV-infected patients by ELISA. PCR was performed on all of the samples, and 1 of the blood samples was positively detected...
February 2017: Korean Journal of Parasitology
https://www.readbyqxmd.com/read/28285514/fasciola-hepatica-infection-status-of-freshwater-snails-collected-from-gangwon-do-province-korea
#2
Jae-Hyung Lee, Juan-Hua Quan, In-Wook Choi, Gab-Man Park, Guang-Ho Cha, Hyun-Ju Kim, Jae-Min Yuk, Young-Ha Lee
Fasciola hepatica is a trematode that causes zoonosis, mainly in cattle and sheep, and occasionally in humans. Few recent studies have determined the infection status of this fluke in Korea. In August 2015, we collected 402 samples of freshwater snails at Hoenggye-ri (upper stream) and Suha-ri (lower stream) of Song-cheon (stream) in Daegwalnyeong-myeon, Pyeongchang-gun in Gangwon-do (Province) near many large cattle or sheep farms. F. hepatica infection was determined using PCR on the nuclear ribosomal internal transcribed spacer 2 (ITS-2)...
February 2017: Korean Journal of Parasitology
https://www.readbyqxmd.com/read/28285513/seroprevalence-and-risk-factors-of-fascioliasis-in-yaks-bos-grunniens-from-three-counties-of-gansu-province-china
#3
Xiao-Xuan Zhang, Sheng-Yong Feng, Jian-Gang Ma, Wen-Bin Zheng, Ming-Yang Yin, Si-Yuan Qin, Dong-Hui Zhou, Quan Zhao, Xing-Quan Zhu
The aim of this study was to determine the seroprevalence and risk factors of fascioliasis in yaks, Bos grunniens, from 3 counties of Gansu Province in China. A total of 1,584 serum samples, including 974 samples from white yaks from Tianzhu, 464 from black yaks from Maqu, and 146 from black yaks from Luqu County, were collected and analyzed using ELISA to detect IgG antibodies against Fasciola hepatica. The overall F. hepatica seroprevalence was 28.7% (454/1,584), with 29.2% in white yaks (284/974) and 27...
February 2017: Korean Journal of Parasitology
https://www.readbyqxmd.com/read/28285512/seroprevalence-of-toxoplasma-gondii-infection-in-wild-boars-wild-rabbits-and-wild-chickens-in-hubei-province-china
#4
Houqiang Luo, Kun Li, Muhammad Shahzad, Hui Zhang, Yanfang Lan, Xiong Xiong
Toxoplasma gondii causes serious infection worldwide in humans and animals. In this study, the seroepidemiology of toxoplasmosis was investigated in wild boars (Sus scrofa) (n=377), wild rabbits (cape hare, Lapus capensis) (n=331), and wild chickens (red junglefwol, Gallus gallus) (n=571) in 4 forested and country sided area of Hubei province of China. For this, blood samples were collected and tested by indirect hemagglutination test (IHA). The seroprevalence was found to be 7.2%, 5.1%, and 12.6% in wild boars, rabbits, and chickens, respectively, with significant differences among these species...
February 2017: Korean Journal of Parasitology
https://www.readbyqxmd.com/read/28285511/differential-effects-of-two-widely-used-solvents-dmso-and-ethanol-on-the-growth-and-recovery-of-trypanosoma-cruzi-epimastigotes-in-culture
#5
Ana María Cevallos, Juliana Herrera, Imelda López-Villaseñor, Roberto Hernández
Trypanosoma cruzi is the etiological agent of Chagas disease. Epimastigote forms of T. cruzi can be readily cultured in axenic conditions. Ethanol and dimethyl sulfoxide (DMSO) are commonly used solvents employed as vehicles for hydrophobic compounds. In order to produce a reference plot of solvent dependent growth inhibition for T. cruzi research, the growth of epimastigotes was analyzed in the presence of different concentrations of ethanol (0.1-4.0%) and DMSO (0.5-7.5%). The ability of the parasites to resume growth after removal of these solvents was also examined...
February 2017: Korean Journal of Parasitology
https://www.readbyqxmd.com/read/28285510/infection-of-oligochaetes-limnodrilus-hoffmeisteri-annelida-oligochaeta-in-the-nasal-cavity-of-a-chinese-man
#6
Hongbin Liu, Zhenming Zhang, Guangping Huang, Xiaolong Gu, Chunmiao Wang, Yan Wang, Zhimin Lu
The infection by Limnodrilus hoffmeisteri Claparède, 1862 (Oligochaeta: Tubificinae) in humans is relatively uncommon. The present report is to describe an incidental human infection with oligochaetes in the nasal cavity of a Chinese man, a 25-year-old man residing in Zhangjiakou city, Hebei province, China presenting with nose bleed, severe itching, continuous sneezing, and rhinorrhea. A lot of oligochaete worms were found in the nasal discharge of the patient. The detected worms were identified as Limnodrilus hoffmeisteri (Annelida: Oligochaeta) based on morphological and molecular characteristics...
February 2017: Korean Journal of Parasitology
https://www.readbyqxmd.com/read/28285509/forensically-important-blow-flies-chrysomya-pinguis-c-villeneuvi-and-lucilia-porphyrina-diptera-calliphoridae-in-a-case-of-human-remains-in-thailand
#7
Tawatchai Monum, Kabkaew L Sukontason, Pongruk Sribanditmongkol, Kom Sukontason, Chutharat Samerjai, Kwankamol Limsopatham, Suttida Suwannayod, Tunwadee Klong-Klaew, Anchalee Wannasan
This is the first study to report Chrysomya pinguis (Walker) and Lucilia porphyrina (Walker) (Diptera: Calliphoridae) as forensically important blow fly species from human cadavers in Thailand, in addition to Chrysomya villeneuvi (Patton) already known in Thailand. In 2016, a fully decomposed body of an unknown adult male was discovered in a high mountainous forest during winter in Chiang Mai province. The remains were infested heavily with thousands of blow fly larvae feeding simultaneously on them. Morphological identification of adults reared from the larvae, and molecular analysis based on sequencing of 1,247 bp partial mitochondrial cytochrome c oxidase subunit 1 gene (CO1) of the larvae and puparia, confirmed the above mentioned 3 species...
February 2017: Korean Journal of Parasitology
https://www.readbyqxmd.com/read/28285508/a-case-of-taenia-asiatica-infection-diagnosed-by-colonoscopy
#8
Heung Up Kim, Young-Bae Chung
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...
February 2017: Korean Journal of Parasitology
https://www.readbyqxmd.com/read/28285507/human-cases-of-fascioliasis-in-fujian-province-china
#9
Lin Ai, Yu-Chun Cai, Yan Lu, Jia-Xu Chen, Shao-Hong Chen
Fascioliasis is a foodborne zoonotic parasitic disease. We report 4 cases occurring in the same family, in whom diagnosis of acute fascioliasis was established after series of tests. One case was hospitalized with fever, eosinophilia, and hepatic lesions. MRI showed hypodense changes in both liver lobes. The remaining 3 cases presented with the symptom of stomachache only. Stool analysis was positive for Fasciola eggs in 2 adult patients. The immunological test and molecular identification of eggs were confirmed at the National Institute of Parasitic Diseases, Chinese Center for Disease Control and Prevention, Shanghai, China...
February 2017: Korean Journal of Parasitology
https://www.readbyqxmd.com/read/28285506/morphological-characteristics-and-phylogenetic-trends-of-trematode-cercariae-in-freshwater-snails-from-nakhon-nayok-province-thailand
#10
Thapana Chontananarth, Thanawan Tejangkura, Napat Wetchasart, Cherdchay Chimburut
The prevalence of cercarial infection in freshwater snails and their evolutionary trends were studied in Nakhon Nayok province, Thailand. A total of 2,869 individual snails were examined for parasitic infections. The results showed that 12 snail species were found to host larval stages of trematodes with an overall prevalence of 4.7%. The infected specimens included 7 types at the cercarial stage; cercariae, megalurous cercariae, echinostome cercariae, furcocercous cercariae, parapleurolophocercous cercariae, virgulate cercariae, and xiphidiocercariae...
February 2017: Korean Journal of Parasitology
https://www.readbyqxmd.com/read/28285505/platynosomum-fastosum-trematoda-dicrocoeliidae-from-cats-in-vietnam-morphological-redescription-and-molecular-phylogenetics
#11
Hung Manh Nguyen, Hien Van Hoang, Loan Thi Ho
The present study was performed to reveal the morphological characteristics and molecular phylogenetic position of Platynosomum fastosum Kossack, 1910. A total 167 specimens of P. fastosum were collected in 8 (4.9%) out of 163 sets of gall-bladders and bile ducts of cats. The number of worms was 1-105 per infected cat. This species was characterized by having a long and slender body, slightly larger ventral sucker than the oral sucker, indistinct prepharynx, small pharynx, short esophagus, bifurcation midway between 2 suckers, and ceca extending to the posterior end of the body...
February 2017: Korean Journal of Parasitology
https://www.readbyqxmd.com/read/28285504/molecular-phylogenetics-of-centrocestus-formosanus-digenea-heterophyidae-originated-from-freshwater-fish-from-chiang-mai-province-thailand
#12
Chalobol Wongsawad, Pheravut Wongsawad, Kom Sukontason, Worawit Maneepitaksanti, Nattawadee Nantarat
This study aimed to investigate the morphology and reconstruct the phylogenetic relationships of Centrocestus formosanus originating from 5 species of freshwater fish, i.e., Esomus metallicus, Puntius brevis, Anabas testudineus, Parambassis siamensis, and Carassius auratus, in Chiang Mai province, Thailand. Sequence-related amplified polymorphism (SRAP) and phylogeny based on internal transcribed spacer 2 (ITS2) and mitochondrial cytochrome c oxidase subunit 1 (CO1) were performed. The results showed similar morphologies of adult C...
February 2017: Korean Journal of Parasitology
https://www.readbyqxmd.com/read/28285503/development-of-urinary-bladder-pre-neoplasia-by-schistosoma-haematobium-eggs-and-chemical-carcinogen-in-mice
#13
Bayissa Chala, Min-Ho Choi, Kyung Chul Moon, Hyung Suk Kim, Cheol Kwak, Sung-Tae Hong
Schistosoma haematobium is a biocarcinogen of human urinary bladder (UB). The present study investigated developing UB cancer mouse model by injecting S. haematobium eggs into the bladder wall and introduction of chemical carcinogens. Histopathological findings showed mild hyperplasia to epithelial vacuolar change, and high grade dysplasia. Squamous metaplasia was observed in the S. haematobium eggs+NDMA group at week 12 but not in other groups. Immunohistochemistry revealed significantly high expression of Ki-67 in urothelial epithelial cells of the S...
February 2017: Korean Journal of Parasitology
https://www.readbyqxmd.com/read/28285502/potential-vaccine-targets-against-rabbit-coccidiosis-by-immunoproteomic-analysis
#14
Hongyan Song, Ronglian Dong, Baofeng Qiu, Jin Jing, Shunxing Zhu, Chun Liu, Yingmei Jiang, Liucheng Wu, Shengcun Wang, Jin Miao, Yixiang Shao
The aim of this study was to identify antigens for a vaccine or drug target to control rabbit coccidiosis. A combination of 2-dimensional electrophoresis, immunoblotting, and mass spectrometric analysis were used to identify novel antigens from the sporozoites of Eimeria stiedae. Protein spots were recognized by the sera of New Zealand rabbits infected artificially with E. stiedae. The proteins were characterized by matrix-assisted laser desorption ionization time of flight mass spectrometry (MALDI-TOF/TOF-MS) analysis in combination with bioinformatics...
February 2017: Korean Journal of Parasitology
https://www.readbyqxmd.com/read/28285501/high-seroprevalence-of-toxoplasmosis-detected-by-rdt-among-the-residents-of-seokmo-do-island-in-ganghwa-gun-incheon-city-korea
#15
Yeong Hoon Kim, Jihoo Lee, Seongkyu Ahn, Tong-Soo Kim, Sung-Jong Hong, Chom-Kyu Chong, Hye-Jin Ahn, Ho-Woo Nam
Seroprevalence of Toxoplasma gondii infection among the residents of Seokmo-do (Island) in Ganghwa-gun, Incheon, Korea was surveyed for 4 years by a rapid diagnostic test (RDT) using recombinant fragment of major surface antigen (SAG1), GST-linker-SAG1A. Sera from 312, 343, 390, and 362 adult residents were collected on a yearly basis from 2010 to 2013, respectively. Total positive seroprevalence regardless of gender was 29.2, 35.3, 38.7, and 45.3% from 2010 to 2013, respectively. Positive seroprevalence in male adults was 43...
February 2017: Korean Journal of Parasitology
https://www.readbyqxmd.com/read/28285500/a-human-case-of-zoonotic-dog-tapeworm-dipylidium-caninum-eucestoda-dilepidiidae-in-china
#16
Peng Jiang, Xi Zhang, Ruo Dan Liu, Zhong Quan Wang, Jing Cui
We described a human case of zoonotic dog tapeworm, Dipylidium caninum (Eucestoda: Dilepidiidae), rarely occurring in China. The mother of a 17 month-old boy noted the appearance of small white and active worms over a month period in her son's feces, but the boy was asymptomatic except mild diarrhea. We observed 3 tapeworm proglottids resembling cucumber seeds in his stool sample. Microscopically, each proglottid had 2 genital pores, 1 on each lateral edge, and numerous egg capsules in the uterus. The patient was successfully treated with a single oral dose of praziquantel...
February 2017: Korean Journal of Parasitology
https://www.readbyqxmd.com/read/28285499/clinico-epidemiological-patterns-of-cutaneous-leishmaniasis-patients-attending-the-anuradhapura-teaching-hospital-sri-lanka
#17
Lahiru Sandaruwan Galgamuwa, Buthsiri Sumanasena, Lalani Yatawara, Susiji Wickramasinghe, Devika Iddawela
Cutaneous leishmaniasis (CL) caused by Leishmania donovani is an endemic vector-borne disease in Sri Lanka. Over 2,500 cases have been reported since 2000 and the number of CL cases has dramatically increased annually. Total 57 clinically suspected CL patients attending the dermatology clinic in Anuradhapura Teaching Hospital were recruited from January to June 2015. Slit skin smears and skin biopsies were taken from each of the subjects. Clinical and epidemiological data were obtained using interviewer administered questionnaire...
February 2017: Korean Journal of Parasitology
https://www.readbyqxmd.com/read/28095670/professor-chin-thack-soh-1921-2016
#18
Tai-Soon Yong
No abstract text is available yet for this article.
December 2016: Korean Journal of Parasitology
https://www.readbyqxmd.com/read/28095669/complete-mitochondrial-genome-of-a-tongue-worm-armillifer-agkistrodontis
#19
Jian Li, Fu-Nan He, Hong-Xiang Zheng, Rui-Xiang Zhang, Yi-Jing Ren, Wei Hu
Armillifer agkistrodontis (Ichthyostraca: Pantastomida) is a parasitic pathogen, only reported in China, which can cause a zoonotic disease, pentastomiasis. A complete mitochondrial (mt) genome was 16,521 bp comprising 13 protein-coding genes (PCGs), 22 tRNA genes, 2 rRNA genes, and 1 non-coding region (NCR). A phylogenetic tree drawn with the concatenated amino acid sequences of the 6 conserved PCGs (atp6, cox1-3, and nad2) showed that A. agkistrodontis and Armillifer armillatus constituted a clade Pentastomida which was a sister group of the Branchiura...
December 2016: Korean Journal of Parasitology
https://www.readbyqxmd.com/read/28095668/recovery-of-oswaldotrema-nacinovici-from-whimbrels-aves-in-korea
#20
Young-Il Lee, Ok-Sik Chung, Min Seo
Adult specimens of Oswaldotrema nacinovici (Digenea: Philophthalmidae) have been first identified in Korea from 2 migratory birds (whimbrels, Numenius phaeopus) which were found dead at a western seashore area near Gunsan. The worms were recovered in the intestine of these birds. The worms were morphologically characterized by a large ventral sucker in comparison to the oral sucker, an external seminal vesicle extending beyond the posterior margin of the ventral sucker, and conspicuous uterine seminal receptacle...
December 2016: Korean Journal of Parasitology
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