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Volume 59(6); December 2021

Original Articles

Proliferation of Mouse Prostate Cancer Cells Inflamed by Trichomonas vaginalis
Sang-Su Kim, Kyu-Shik Kim, Ik-Hwan Han, Yeseul Kim, Seong Sik Bang, Jung-Hyun Kim, Yong-Suk Kim, Soo-Yeon Choi, Jae-Sook Ryu
Korean J Parasitol 2021;59(6):547-556.
Published online December 22, 2021
DOI: https://doi.org/10.3347/kjp.2021.59.6.547
Our
objective
was to investigate whether inflammatory microenvironment induced by Trichomonas vaginalis infection can stimulate proliferation of prostate cancer (PCa) cells in vitro and in vivo mouse experiments. The production of CXCL1 and CCL2 increased when cells of the mouse PCa cells (TRAMP-C2 cell line) were infected with live T. vaginalis. T. vaginalis-conditioned medium (TCM) prepared from co-culture of PCa cells and T. vaginalis increased PCa cells migration, proliferation and invasion. The cytokine receptors (CXCR2, CCR2, gp130) were expressed higher on the PCa cells treated with TCM. Pretreatment of PCa cells with antibodies to these cytokine receptors significantly reduced the proliferation, mobility and invasiveness of PCa cells, indicating that TCM has its effect through cytokine-cytokine receptor signaling. In C57BL/6 mice, the prostates injected with T. vaginalis mixed PCa cells were larger than those injected with PCa cells alone after 4 weeks. Expression of epithelial-mesenchymal transition markers and cyclin D1 in the prostate tissue injected with T. vaginalis mixed PCa cells increased than those of PCa cells alone. Collectively, it was suggested that inflammatory reactions by T. vaginalis-stimulated PCa cells increase the proliferation and invasion of PCa cells through cytokine-cytokine receptor signaling pathways.

Citations

Citations to this article as recorded by  Crossref logo
  • The role of proinflammatory cytokines and CXC chemokines (CXCL1–CXCL16) in the progression of prostate cancer: insights on their therapeutic management
    Amin Ullah, Wang Jiao, Bairong Shen
    Cellular & Molecular Biology Letters.2024;[Epub]     CrossRef
  • Trichomonas vaginalis excretory secretory proteins reduce semen quality and male fertility
    Zhenchao Zhang, Fakun Li, Yangyang Deng, Yuhua Li, Wanxin Sheng, Xiaowei Tian, Zhenke Yang, Shuai Wang, Lihua Guo, Lixia Hao, Xuefang Mei
    Acta Tropica.2023; 238: 106794.     CrossRef
  • Point-of-Care Diagnostic for Trichomonas vaginalis, the Most Prevalent, Non-Viral Sexually Transmitted Infection
    John F. Alderete, Hermes Chan
    Pathogens.2023; 12(1): 77.     CrossRef
  • Involvement of Macrophages in Proliferation of Prostate Cancer Cells Infected with Trichomonas vaginalis
    Kyu-Shik Kim, Hong-Sang Moon, Sang-Su Kim, Jae-Sook Ryu
    The Korean Journal of Parasitology.2021; 59(6): 557.     CrossRef
  • 5,121 View
  • 143 Download
  • 6 Web of Science
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Involvement of Macrophages in Proliferation of Prostate Cancer Cells Infected with Trichomonas vaginalis
Kyu-Shik Kim, Hong-Sang Moon, Sang-Su Kim, Jae-Sook Ryu
Korean J Parasitol 2021;59(6):557-564.
Published online December 22, 2021
DOI: https://doi.org/10.3347/kjp.2021.59.6.557
Macrophages play a key role in chronic inflammation, and are the most abundant immune cells in the tumor microenvironment. We investigated whether an interaction between inflamed prostate cancer cells stimulated with Trichomonas vaginalis and macrophages stimulates the proliferation of the cancer cells. Conditioned medium was prepared from T. vaginalis-infected (TCM) and uninfected (CM) mouse prostate cancer (PCa) cell line (TRAMP-C2 cells). Thereafter conditioned medium was prepared from macrophages (J774A.1 cell line) after incubation with CM (MCM) or TCM (MTCM). When TRAMP-C2 cells were stimulated with T. vaginalis, protein and mRNA levels of CXCL1 and CCL2 increased, and migration of macrophages toward TCM was more extensive than towards CM. Macrophages stimulated with TCM produced higher levels of CCL2, IL-6, TNF-α, their mRNAs than macrophages stimulated with CM. MTCM stimulated the proliferation and invasiveness of TRAMP-C2 cells as well as the expression of cytokine receptors (CCR2, GP130, CXCR2). Importantly, blocking of each cytokine receptors with anti-cytokine receptor antibody significantly reduced the proliferation and invasiveness of TRAMP-C2 cells. We conclude that inflammatory mediators released by TRAMP-C2 cells in response to infection by T. vaginalis stimulate the migration and activation of macrophages and the activated macrophages stimulate the proliferation and invasiveness of the TRAMP-C2 cells via cytokine-cytokine receptor binding. Our results therefore suggested that macrophages contribute to the exacerbation of PCa due to inflammation of prostate cancer cells reacted with T. vaginalis.

Citations

Citations to this article as recorded by  Crossref logo
  • The role of proinflammatory cytokines and CXC chemokines (CXCL1–CXCL16) in the progression of prostate cancer: insights on their therapeutic management
    Amin Ullah, Wang Jiao, Bairong Shen
    Cellular & Molecular Biology Letters.2024;[Epub]     CrossRef
  • CysLT receptor-mediated NOX2 activation is required for IL-8 production in HMC-1 cells induced by Trichomonas vaginalis-derived secretory products
    Young Ah Lee, Myeong Heon Shin
    Parasites, Hosts and Diseases.2024; 62(3): 270.     CrossRef
  • Point-of-Care Diagnostic for Trichomonas vaginalis, the Most Prevalent, Non-Viral Sexually Transmitted Infection
    John F. Alderete, Hermes Chan
    Pathogens.2023; 12(1): 77.     CrossRef
  • 4,560 View
  • 124 Download
  • 5 Web of Science
  • Crossref
Detection of Toxoplasma gondii Infections using Virus-Like Particles Displaying T. gondii ROP4 Antigen
Min-Ju Kim, Jie Mao, Hae-Ji Kang, Ki-Back Chu, Fu-Shi Quan
Korean J Parasitol 2021;59(6):565-572.
Published online December 22, 2021
DOI: https://doi.org/10.3347/kjp.2021.59.6.565
Toxoplasma gondii ME49 infections are typically diagnosed by serological tests. However, serological diagnosis of RH strain-induced toxoplasmosis remains unknown. In order to develop seradiagnosis of above 2 kinds of infections, we generated recombinant virus-like particles (VLPs) displaying the T. gondii rhoptry protein 4 (ROP4) and evaluated their potential in T. gondii ME49 or RH strain infection diagnostics. Mice were orally infected with either the tachyzoites of T. gondii (RH) or cysts of T. gondii (ME49) at various dosages, and sera were collected at regular intervals. ELISA-based serological tests were performed to assess IgG, IgM, and IgA antibody responses against ROP4 VLP antigen and tissue lysate antigen (TLA). Compared to TLA, IgG, IgM, and IgA levels to ROP4 VLP antigen were significantly higher in the sera of T. gondii RH-infected mice 1 and 2 week post-infection (PI). T. gondii-specific IgG antibody was detected at 1, 2, 4, and 8 week PI in the T. gondii ME49-infected mice with infection dose-dependent manner. These results indicated that the ROP4 VLP antigen was highly sensitive antigens detecting T. gondii RH and ME49 antibodies at an early stage.

Citations

Citations to this article as recorded by  Crossref logo
  • IgM Antibody Detection as a Diagnostic Marker for Acute Toxoplasmosis: Current Status of Studies and Main Limitations
    Karolina Sołowińska, Lucyna Holec-Gąsior
    Antibodies.2025; 14(2): 44.     CrossRef
  • Could metformin modulate the outcome of chronic murine toxoplasmosis?
    Maha Mohamed Gomaa, Samar Nabil El Achy, Nehal Nassef Hezema
    Acta Tropica.2024; 258: 107339.     CrossRef
  • Trend in serological and molecular diagnostic methods for Toxoplasma gondii infection
    Min-ju Kim, Soeun J. Park, Hyunwoo Park
    European Journal of Medical Research.2024;[Epub]     CrossRef
  • Recombinant AMA1 Virus-like Particle Antigen for Serodiagnosis of Toxoplasma gondii Infection
    Min-Ju Kim, Ki-Back Chu, Jie Mao, Hae-Ji Kang, Gi-Deok Eom, Keon-Woong Yoon, Su-Hwa Lee, Eun-Kyung Moon, Young-Ha Lee, Fu-Shi Quan
    Biomedicines.2022; 10(11): 2812.     CrossRef
  • 4,641 View
  • 95 Download
  • 4 Web of Science
  • Crossref
Toxoplasma gondii Induces Apoptosis via Endoplasmic Reticulum Stress-Derived Mitochondrial Pathway in Human Small Intestinal Epithelial Cell-Line
Hao Wang, Chunchao Li, Wei Ye, Zhaobin Pan, Jinhui Sun, Mingzhu Deng, Weiqiang Zhan, Jiaqi Chu
Korean J Parasitol 2021;59(6):573-583.
Published online December 22, 2021
DOI: https://doi.org/10.3347/kjp.2021.59.6.573
Toxoplasma gondii, an intracellular protozoan parasite that infects one-third of the world’s population, has been reported to hijack host cell apoptotic machinery and promote either an anti- or proapoptotic program depending on the parasite virulence and load and the host cell type. However, little is known about the regulation of human FHs 74 small intestinal epithelial cell viability in response to T. gondii infection. Here we show that T. gondii RH strain tachyzoite infection or ESP treatment of FHs 74 Int cells induced apoptosis, mitochondrial dysfunction and ER stress in host cells. Pretreatment with 4-PBA inhibited the expression or activation of key molecules involved in ER stress. In addition, both T. gondii and ESP challenge-induced mitochondrial dysfunction and cell death were dramatically suppressed in 4-PBA pretreated cells. Our study indicates that T. gondii infection induced ER stress in FHs 74 Int cells, which induced mitochondrial dysfunction followed by apoptosis. This may constitute a potential molecular mechanism responsible for the foodborne parasitic disease caused by T. gondii.

Citations

Citations to this article as recorded by  Crossref logo
  • Bug as a drug: Unveiling anti-cancer properties of Toxoplasma gondii and its therapeutic prospects in cancer immunotherapy
    Yie Wei Chua, Sek Chuen Chow
    Acta Tropica.2025; 267: 107684.     CrossRef
  • Apicomplexan Espionage: Orchestrated Miscommunication at the Host–Parasite Interface
    Vaisak Mohan, Sandeep Reddy Vinjamuri, Parnika Sahoo, Abhinav Hatwar, Sandra S N, Usha Krishna, Vyshnav P V, Kamalakannan Vijayan
    ACS Infectious Diseases.2024; 10(12): 4040.     CrossRef
  • Evaluation of the inhibitory effects and the mechanism of terpenoids on Toxoplasma gondii tachyzoites
    Zi-Yang Jiang, Kai Dong, Zheng-Song Huang, Chang-Chun Yuan, Bo Liu, Qi-Wei Chen, Jian-Ping Chen
    Acta Tropica.2023; 237: 106741.     CrossRef
  • Toxoplasma gondii induces MLTC-1 apoptosis via ERS pathway
    Lei Wang, Hailun Wang, Shihao Wei, Xiaoyu Huang, Chunchen Yu, Qingrui Meng, Dengfeng Wang, Guangwen Yin, Zhijian Huang
    Experimental Parasitology.2023; 244: 108429.     CrossRef
  • Transcriptomic analysis of LMH cells in response to the overexpression of a protein of Eimeria tenella encoded by the locus ETH_00028350
    Xiao-Jing Wu, Jin Gao, Bing-Jin Mu, Lin-Mei Yu, Zi-Rui Wang, Wen-Bin Zheng, Wen-Wei Gao, Xing-Quan Zhu, Qing Liu
    Frontiers in Veterinary Science.2022;[Epub]     CrossRef
  • 5,322 View
  • 145 Download
  • 5 Web of Science
  • Crossref
Recent Spatial and Temporal Trends of Malaria in Korea
Yeong Hoon Kim, Hye-Jin Ahn, Dongjae Kim, Sung-Jong Hong, Tong-Soo Kim, Ho-Woo Nam
Korean J Parasitol 2021;59(6):585-593.
Published online December 22, 2021
DOI: https://doi.org/10.3347/kjp.2021.59.6.585
This study was done to provide an analytical overview on the latest malaria infection clusters by evaluating temporal trends during 2010-2019 in Korea. Incheon was the most likely cluster (MLC) for all cases of malaria during the total period. MLCs for P. falciparum, vivax, malariae, ovale, and clinically diagnosed malaria without parasitological confirmation were Jeollanam-do, Incheon, Gangwon-do, Gyeongsangnam-do, and Jeollabuk-do, respectively. Malaria was decreasing in most significant clusters, but Gwangju showed an increase for all cases of malaria, P. vivax and clinically diagnosed cases. Malaria overall, P. falciparum and P. vivax seem to be under control thanks to aggressive health measures. This study might provide a sound scientific basis for future control measures against malaria in Korea.

Citations

Citations to this article as recorded by  Crossref logo
  • List of occupational diseases among farmers in Korea: a literature review
    Hansoo Song, Seok-Ju Yoo, Won-Ju Park, Seunghyeon Cho, Ki Soo Park, Joo Hyun Sung, Sang Jin Park, Seong-yong Yoon, Kyeongsoo Kim, Dong-phil Choi, Hye-min Kim, Bounggyun Ju, Kanwoo Youn
    Ann Occup Environ Med.2025; 37: e2.     CrossRef
  • 2024년 수도권역 말라리아 환자 및 군집사례 발생 현황
    미정 고, 윤정 서, 현미 김, 경원 황
    Public Health Weekly Report.2025; 18(47): 1867.     CrossRef
  • Analysis of geometric morphometrics and molecular phylogeny for Anopheles species in the Republic of Korea
    Jiseung Jeon, Heung Chul Kim, Terry A. Klein, Kwang Shik Choi
    Scientific Reports.2023;[Epub]     CrossRef
  • Spatio‐temporal incidence of malaria patients in Incheon Metropolitan City
    Jung‐A An, Jeong Hyeon Lee, MyungDeok Kim-Jeon, Sung‐Jong Hong, Hyung Wook Kwon
    Entomological Research.2023; 53(12): 609.     CrossRef
  • 5,560 View
  • 135 Download
  • 3 Web of Science
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Knowledge, Attitudes and Perceptions Regarding Endemic Vivax Malaria in Inhabitants and Patients in Two Cities of Northern Gyeonggi-do, Korea, 2020
Young Yil Bahk, Shin-Hyeong Cho, Sookkyung Park, Jeongran Kwon, Hyesu Kan, Miyoung Kim, Byoung-Kuk Na, Sung Jong Hong, Hyung Wook Kwon, Tong-Soo Kim
Korean J Parasitol 2021;59(6):595-605.
Published online December 22, 2021
DOI: https://doi.org/10.3347/kjp.2021.59.6.595
An understanding of the knowledges, attitudes and perceptions of different populations is key for public health policy makers. Here, a survey was performed on knowledge, attitudes, and perceptions about malaria diagnosis, prevention, control, and treatment. The 407 survey participants included both uninfected inhabitants and patients from 2 cities (Gimpo- and Paju-si) of Northern Gyeonggi-do, known as high-risk areas for vivax malaria. We used community-based study design and non-probability sampling method using the primary data. Association between variables were tested using χ2-tests. In general, the information on malaria reported by the participants in this study was unsystematic and included inaccurate details. The knowledge of malaria symptoms, identified as headache, chills and fever, was high, but the surveyed community lacks knowledge of the specific medications used for malaria treatment, with a large number of respondents having no knowledge of any form of medication. Survey questions with high correct answer rates included questions about easy treatment of malaria in Korea, the high daytime activity of malaria-borne mosquitoes, and the infection risk posed by outdoor activities. However, a large portion of the respondents was unable to provide simple medical and biological information about the disease. This study aimed to comprehensively evaluate the knowledge, attitude, and practical behavior of the surveyed community with respect to malaria and the implications reported here could be applicable to other malaria endemic areas in Korea.
  • 4,797 View
  • 135 Download
Failure of Repeated MDA with Albendazole for Trichuriasis Control in Schoolchildren of the Yangon Region, Myanmar
Sooji Hong, Bong-Kwang Jung, Hyemi Song, Jaeeun Cho, Woon-Mok Sohn, Sung-Jong Hong, Jin-Youp Ryu, Hyun-Seung Kim, Mun-Hyoo Jeong, Thi Thi Htoon, Htay Htay Tin, Jong-Yil Chai
Korean J Parasitol 2021;59(6):607-613.
Published online December 22, 2021
DOI: https://doi.org/10.3347/kjp.2021.59.6.607
Soil-transmitted helminth (STH) infections are still a considerable challenge in Myanmar. We undertook a control program for STH infections (especially Trichuris trichiura) among schoolchildren in Myanmar using mass drug administration (MDA) and health education. Around 1,700 schoolchildren from 15 primary schools in 3 suburban districts (Shwe Pyi Thar, Twantay, and Kyauktan) of the Yangon Region were subjected in this study during 2017-2019. All of the schoolchildren in each school were orally administered albendazole (400 mg in a single dose) 2, 3, and 4 times a year in 2017, 2018, and 2019, respectively. The results revealed that the egg positive rate of any intestinal helminths (including STH) was reduced from 37.6% (649/1,724) in 2017 to 22.8% (352/1,542) in 2019. The egg positive rate of Ascaris lumbricoides was decreased remarkably from 23.3% (402/1,724) in 2017 to 3.6% (56/1,542) in 2019. However, that of T. trichiura was only slightly reduced from 26.9% (464/1,724) in 2017 to 20.2% (312/1,542) in 2019. The intensity of infection with A. lumbricoides and T. trichiura was both more or less reduced, and the proportion of light infection cases with A. lumbricoides and T. trichiura increased from 35.6% in 2017 to 64.3% in 2019 and from 70.3% in 2017 to 81.7% in 2019, respectively. The results indicated that repeated MDAs (2-4 times a year for 3 years) using albendazole on schoolchildren in Myanmar failed to control T. trichiura infection. For a successful control of trichuriasis in Myanmar, new MDA strategies, using a modified albendazole regimen (multiple daily doses for 2 or 3 days) or an alternative anthelmintic drug, such as oxantel pamoate, is strongly recommended.

Citations

Citations to this article as recorded by  Crossref logo
  • Assessing soil-transmitted helminths and Schistosoma mansoni infections using parasitological indicators after seven years of preventive chemotherapy among school-age children in Mizan-Aman town
    Mitiku Abera, Tariku Belay, Daniel Emana, Zeleke Mekonnen, Uwem Friday Ekpo
    PLOS Neglected Tropical Diseases.2025; 19(5): e0013058.     CrossRef
  • Standard- and large-sized eggs of Trichuris trichiura in the feces of schoolchildren in the Yangon Region, Myanmar: Morphological and molecular analyses
    Seungwan Ryoo, Bong-Kwang Jung, Sooji Hong, Hyejoo Shin, Hyemi Song, Hyun-Seung Kim, Jin-Youp Ryu, Woon-Mok Sohn, Sung-Jong Hong, Thi Thi Htoon, Htay Htay Tin, Jong-Yil Chai
    Parasites, Hosts and Diseases.2023; 61(3): 317.     CrossRef
  • 4,564 View
  • 100 Download
  • 2 Web of Science
  • Crossref
Proteomic and Immunological Identification of Diagnostic Antigens from Spirometra erinaceieuropaei Plerocercoid
Yan Lu, Jia-Hui Sun, Li-Li Lu, Jia-Xu Chen, Peng Song, Lin Ai, Yu-Chun Cai, Lan-Hua Li, Shao-Hong Chen
Korean J Parasitol 2021;59(6):615-623.
Published online December 22, 2021
DOI: https://doi.org/10.3347/kjp.2021.59.6.615
Human sparganosis is a food-borne parasitic disease caused by the plerocercoids of Spirometra species. Clinical diagnosis of sparganosis is crucial for effective treatment, thus it is important to identify sensitive and specific antigens of plerocercoids. The aim of the current study was to identify and characterize the immunogenic proteins of Spirometra erinaceieuropaei plerocercoids that were recognized by patient sera. Crude soluble extract of the plerocercoids were separated using 2-dimensional gel electrophoresis coupled with immunoblot and mass spectrometry analysis. Based on immunoblotting patterns and mass spectrometry results, 8 antigenic proteins were identified from the plerocercoid. Among the proteins, cysteine protease protein might be developed as an antigen for diagnosis of sparganosis.

Citations

Citations to this article as recorded by  Crossref logo
  • Lysine acetylation in the spargana of Spirometra mansoni: Insights into glycolysis and EF-hand domain proteins
    Yuke Zeng, Asmaa M.I. Abuzeid, Qin Meng, Shuyu Chen, Xiaoruo Tan, Cuiqin Huang, Shiquan Lu, Teng Zhong, Yuanpeng Hu, Yisong Liu, Wei Liu
    Acta Tropica.2025; : 107932.     CrossRef
  • Establishment of Animal Infection Model of Spirometra Mansoni and Identification of Spirometra Mansoni by Enzyme-Linked Immunosorbent Assay
    Anqi Luo, Shuyu Chen, Mingye He, Xiaoruo Tan, Zhikang Li, Wei Liu, Yisong Liu
    Vector-Borne and Zoonotic Diseases.2024;[Epub]     CrossRef
  • Immunoproteomics: Approach to Diagnostic and Vaccine Development
    Virendra Supaji Gomase, Suchita Prabhakar Dhamane, Kiran Ramesh Kemkar, Pavan Ganpat Kakade, Abhay Dewappa Sakhare
    Protein & Peptide Letters.2024; 31(10): 773.     CrossRef
  • 4,388 View
  • 92 Download
  • 2 Web of Science
  • Crossref
A Report of Chigger Mites on the Striped Field Mouse, Apodemus agrarius, in Southwest China
Yan-Ling Chen, Xian-Guo Guo, Tian-Guang Ren, Lei Zhang, Rong Fan, Cheng-Fu Zhao, Zhi-Wei Zhang, Ke-Yu Mao, Xiao-Bin Huang, Ti-Jun Qian
Korean J Parasitol 2021;59(6):625-634.
Published online December 22, 2021
DOI: https://doi.org/10.3347/kjp.2021.59.6.625
Based on the field investigations in 91 investigation sites (counties) in southwest China between 2001 and 2019, the present paper reported the chigger mites on A. agrarius mice in southwest China for the first time by using a series of statistical methods. From 715 striped field mice captured in 28 of 91 investigated sites, only 255 chiggers were collected, and they were identified as 14 species, 6 genera in 3 subfamilies under 2 families. Of 715 A. agrarius mice, only 24 of them were infested with chigger mites with low overall prevalence (PM=3.4%), overall mean abundance (MA=0.36 mites/host) and overall mean intensity (MI=10.63 mites/host). The species diversity and infestation of chiggers on A. agrarius were much lower than those previously reported on some other rodents in southwest China. On a certain species of rodent, A. agrarius mouse in southwest China seems to have a very low susceptibility to chigger infestations than in other geographical regions. Of 14 chigger species, there were 3 dominant species, Leptotrombidium sialkotense, L. rupestre and Schoengastiella novoconfuciana, which were of aggregated distribution among different individuals of A. agrarius hosts. L. sialkotense, one of 6 main vectors of scrub typhus in China, was the first dominant on A. agrarius. The species similarity of chigger mites on male and female hosts was low with CSS=0.25, and this reflects the sex-bias of different genders of A. agrarius mice in harboring different chigger species.

Citations

Citations to this article as recorded by  Crossref logo
  • Infestation, community structure, seasonal fluctuation and climate-driven dynamics of mites on small mammals at a focus of scrub typhus in southwest China
    Peng-Wu Yin, Yan Lv, Xian-Guo Guo, Wen-Yu Song, Rong Fan, Cheng-Fu Zhao, Zhi-Wei Zhang, Ya-Fei Zhao, Wen-Ge Dong, Dao-Chao Jin
    Frontiers in Veterinary Science.2025;[Epub]     CrossRef
  • The Distribution and Host-Association of the Vector Chigger Species Leptotrombidium imphalum in Southwest China
    Qiao-Yi Liu, Rong Fan, Wen-Yu Song, Pei-Ying Peng, Ya-Fei Zhao, Dao-Chao Jin, Xian-Guo Guo
    Insects.2024; 15(7): 504.     CrossRef
  • Clinical and epidemiological investigation of human infection with zoonotic parasite Trypanosoma dionisii in China
    Nannan Xu, Xiaoai Zhang, Hui Liu, Yintao Xu, Huixia Lu, Lianhui Zhao, Yishan He, Meiqi Zhang, Jingtao Zhang, Guangqian Si, Ziyi Wang, Muxin Chen, Yuchun Cai, Yi Zhang, Qiang Wang, Yuwan Hao, Yuanyuan Li, Zhengbin Zhou, Yunhai Guo, Caiyun Chang, Ming Liu,
    Journal of Infection.2024; 89(5): 106290.     CrossRef
  • A Retrospective Report on the Infestation and Distribution of Chiggers on an Endemic Rodent Species (Apodemus latronum) in Southwest China
    Qiao-Yi Liu, Xian-Guo Guo, Rong Fan, Wen-Yu Song, Pei-Ying Peng, Ya-Fei Zhao, Dao-Chao Jin
    Veterinary Sciences.2024; 11(11): 547.     CrossRef
  • Disease vector occurrence and ecological characteristics of chiggers on the chestnut white-bellied rat Niviventer fulvescens in Southwest China between 2001 and 2019
    Yan-Ling Chen, Xian-Guo Guo, Wen-Yu Song, Tian-Guang Ren, Lei Zhang, Rong Fan, Cheng-Fu Zhao, Zhi-Wei Zhang, Wen-Ge Dong, Xiao-Bin Huang, Dao-Chao Jin
    Parasites, Hosts and Diseases.2023; 61(3): 272.     CrossRef
  • Infestation of Oriental House Rat (Rattus tanezumi) with Chigger Mites Varies along Environmental Gradients across Five Provincial Regions of Southwest China
    Yan-Ling Chen, Xian-Guo Guo, Fan Ding, Yan Lv, Peng-Wu Yin, Wen-Yu Song, Cheng-Fu Zhao, Zhi-Wei Zhang, Rong Fan, Pei-Ying Peng, Bei Li, Ting Chen, Dao-Chao Jin
    International Journal of Environmental Research and Public Health.2023; 20(3): 2203.     CrossRef
  • Analysis on infestation and related ecology of chigger mites on large Chinese voles (Eothenomys miletus) in five provincial regions of Southwest China
    Bei Li, Xian-Guo Guo, Tian-Guang Ren, Pei-Ying Peng, Wen-Yu Song, Yan Lv, Peng-Wu Yin, Zhe Liu, Xin-Hang Liu, Ti-Jun Qian
    International Journal for Parasitology: Parasites and Wildlife.2022; 19: 169.     CrossRef
  • Infestation and distribution of chigger mites on Confucian white-bellied rat (Niviventer confucianus) in Southwest China
    Yan-Ling Chen, Xian-Guo Guo, Wen-Yu Song, Tian-Guang Ren, Lei Zhang, Rong Fan, Cheng-Fu Zhao, Zhi-Wei Zhang, Wen-Ge Dong, Xiao-Bin Huang
    Biologia.2022; 78(3): 727.     CrossRef
  • 4,374 View
  • 104 Download
  • 8 Web of Science
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Case Report

A Human Case of Lumbosacral Canal Sparganosis in China
Jian-Feng Fan, Sheng Huang, Jing Li, Ren-Jun Peng, He Huang, Xi-Ping Ding, Li-Ping Jiang, Jian Xi
Korean J Parasitol 2021;59(6):635-638.
Published online December 22, 2021
DOI: https://doi.org/10.3347/kjp.2021.59.6.635
In this study, we intended to describe a human case of lumbosacral canal sparganosis in People’s Republic of China (China). A 56-year-old man was admitted to Xiangya Hospital Central South University in Changsha, Hunan province, China after having an experience of perianal pain for a week. An enhancing mass, a tumor clinically suggested, was showed at the S1-S2 level of the lumbosacral spine by the examination of magnetic resonance imaging (MRI) with gadolinium contrast. The patient was received the laminectomy from S1 to S2, and an ivory-white living worm was detected in inferior margin of L5. In ELISA-test with cerebrospinal fluid (CSF) and serum samples, anti-sparganum antibodies were detected. He had a ingesting history of undercooked frog meat in his youth. By the present study, a human case of spinal sparganosis invaded in lumbosacral canal at the S1-S2 level was diagnosed in China. Although the surgical removal of larvae is known to be the best way of treatment for sparganosis, we administered the high-dosage of praziquantel, albendazole and dexamethasone to prevent the occurrence of another remain worms in this study.

Citations

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  • Infectious Myelopathies
    Anita M. Fletcher, Shamik Bhattacharyya
    Continuum.2024; 30(1): 133.     CrossRef
  • The serum IgG antibody level as a biomarker for clinical outcome in patients with cerebral sparganosis after treatment
    Haijie Xiang, Jie Wang, Dandan Tan, Ying Xiong, Pengcheng Huang, Yu Shen, Yun Xu, Zhihong Gong, Fei Hu, Chunhua Xu, Jie Wu, Wei Liu, Junpu Liu, Hui Wan, Daojun Hong, Huiqun Xie
    Frontiers in Immunology.2023;[Epub]     CrossRef
  • Multiple sparganosis spinal infections mainly in the thoracic region: A case report
    Gan-Jun Wen, Jian Chen, Shi-Fei Zhang, Zhi-Sen Zhou, Gen-Long Jiao
    World Journal of Clinical Cases.2023; 11(36): 8507.     CrossRef
  • 4,902 View
  • 106 Download
  • 2 Web of Science
  • Crossref
Brief Communications
Enterocytozoon bieneusi Genotypes and Infections in the Horses in Korea
Haeseung Lee, Seung-Hun Lee, Yu-Ran Lee, Ha-Young Kim, Bo-Youn Moon, Jee Eun Han, Man Hee Rhee, Oh-Deog Kwon, Dongmi Kwak
Korean J Parasitol 2021;59(6):639-643.
Published online December 22, 2021
DOI: https://doi.org/10.3347/kjp.2021.59.6.639
Enterocytozoon bieneusi is a microsporidian pathogen. Recently, the equestrian population is increasing in Korea. The horse-related zoonotic pathogens, including E. bieneusi, are concerns of public health. A total of 1,200 horse fecal samples were collected from riding centers and breeding farms in Jeju Island and inland areas. Of the fecal samples 15 (1.3%) were PCR positive for E. bieneusi. Interestingly, all positive samples came from Jeju Island. Diarrhea and infection in foals were related. Two genotypes (horse1, horse2) were identified as possible zoonotic groups requiring continuous monitoring.

Citations

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  • Distribution and genotypic analysis of Enterocytozoon bieneusi from cats in Korea
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    Parasites, Hosts and Diseases.2025; 63(2): 188.     CrossRef
  • Molecular Detection and Genotyping of Enterocytozoon bieneusi in Environmental Sources near Cattle Farms in Korea
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    Medical Mycology.2023;[Epub]     CrossRef
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Cryptocotyle lata (Trematoda: Heterophyidae) Adult from a Korean Raccoon Dog, Nyctereutes procyonoides koreensis
Heon Woo Lee, Eui Ju Hong, Hyeon Cheol Kim, Si Yun Ryu, Bae Keun Park
Korean J Parasitol 2021;59(6):645-649.
Published online December 22, 2021
DOI: https://doi.org/10.3347/kjp.2021.59.6.645
Total 513 heterophyid flukes were collected from a carcass of wild Korean raccoon dog, Nyctereutes procyonoides koreensis, in Korea. With morphological and molecular characteristics, the flukes were identified to Cryptocotyle lata. The adult C. lata were minute, transparent, pentagonal, 522 µm long by 425 µm wide. Ceca extended into post-testicular region. Ventrogenital sac elliptical, 79 µm by 87 µm with genital pore and ventral sucker. Two testes semielliptical and slightly lobed, located in the posterior region, right testis 173 µm by 155 µm, left testis 130 µm by 134 µm. In a phylogenetic tree, the fluke specimen of this study was grouped with C. lata divergent from Cryptocotyle lingua. We report here N. procyonoides koreensis first as a natural definitive host of C. lata.
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