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Evaluation of Protective Immune Response Induced by a DNA Vaccine Encoding GRA8 against Acute Toxoplasmosis in a Murine Model

Chu JQ, Huang S, Ye W, Fan XY, Huang R, Ye SC, Yu CY, Wu WY, Zhou Y, Zhou W, Lee YH, Quan JH

Toxoplasma gondii is an apicomplexan zoonotic protozoan parasite that infects most species of warm-blooded animals, including humans. The heavy incidence and severe or lethal damage caused by T. gondii infection...
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Modulated Gene Expression of Toxoplasma gondii Infected Retinal Pigment Epithelial Cell Line (ARPE-19) via PI3K/Akt or mTOR Signal Pathway

Zhou W, Quan JH, Gao FF, Ismail HA, Lee YH, Cha GH

Due to the critical location and physiological activities of the retinal pigment epithelial (RPE) cell, it is constantly subjected to contact with various infectious agents and inflammatory mediators. However, little...
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Fasciola hepatica: Infection Status of Freshwater Snails Collected from Gangwon-do (Province), Korea

Lee JH, Quan JH, Choi IW, Park GM, Cha GH, Kim HJ, Yuk JM, Lee YH

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....
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Production of IL-1β and Inflammasome with Up-Regulated Expressions of NOD-Like Receptor Related Genes in Toxoplasma gondii-Infected THP-1 Macrophages

Chu JQ, Shi G, Fan YM, Choi IW, Cha GH, Zhou Y, Lee YH, Quan JH

Toxoplasma gondii is an obligate intracellular parasite that stimulates production of high levels of proinflammatory cytokines, which are important for innate immunity. NLRs, i.e., nucleotide-binding oligomerization domain (NOD)-like receptors, play...
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Involvement of PI3K/AKT and MAPK Pathways for TNF-alpha Production in SiHa Cervical Mucosal Epithelial Cells Infected with Trichomonas vaginalis

Yang JB, Quan JH, Kim YE, Rhee YE, Kang BH, Choi IW, Cha GH, Yuk JM, Lee YH

Trichomonas vaginalis induces proinflammation in cervicovaginal mucosal epithelium. To investigate the signaling pathways in TNF-alpha production in cervical mucosal epithelium after T. vaginalis infection, the phosphorylation of PI3K/AKT and MAPK...
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Genetic Diversity of Schistosoma haematobium Eggs Isolated from Human Urine in Sudan

Quan JH, Choi IW, Ismail HA, Mohamed AS, Jeong HG, Lee JS, Hong ST, Yong TS, Cha GH, Lee YH

The genetic diversity of Schistosoma haematobium remains largely unstudied in comparison to that of Schistosoma mansoni. To characterize the extent of genetic diversity in S. haematobium among its definitive host...
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Monitoring of Fasciola Species Contamination in Water Dropwort by cox1 Mitochondrial and ITS-2 rDNA Sequencing Analysis

Choi IW, Kim HY, Quan JH, Ryu JG, Sun R, Lee YH

Fascioliasis, a food-borne trematode zoonosis, is a disease primarily in cattle and sheep and occasionally in humans. Water dropwort (Oenanthe javanica), an aquatic perennial herb, is a common second intermediate...
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Fasciola hepatica in Snails Collected from Water-Dropwort Fields using PCR

Kim HY, Choi IW, Kim YR, Quan JH, Ismail HA, Cha GH, Hong SJ, Lee YH

Fasciola hepatica is a trematode that causes zoonosis mainly in cattle and sheep and occasionally in humans. Fascioliasis has been reported in Korea; however, determining F. hepatica infection in snails...
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Trichomonas vaginalis Metalloproteinase Induces mTOR Cleavage of SiHa Cells

Quan JH, Choi IW, Yang JB, Zhou W, Cha GH, Zhou Y, Ryu JS, Lee YH

Trichomonas vaginalis secretes a number of proteases which are suspected to be the cause of pathogenesis; however, little is understood how they manipulate host cells. The mammalian target of rapamycin...
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Kinetics of IL-23 and IL-12 Secretion in Response to Toxoplasma gondii Antigens from THP-1 Monocytic Cells

Quan JH, Zhou W, Cha GH, Choi IW, Shin DW, Lee YH

IL-23 and IL-12 are structurally similar and critical for the generation of efficient cellular immune responses. Toxoplasma gondii induces a strong cell-mediated immune response. However, little is known about IL-23...
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Quantitative Evaluation of Viability- and Apoptosis-Related Genes in Ascaris suum Eggs under Different Culture-Temperature Conditions

Yu YM, Cho YH, Youn YN, Quan JH, Choi IW, Lee YH

Ascaris suum eggs are inactivated by composting conditions; however, it is difficult to find functional changes in heat-treated A. suum eggs. Here, unembryonated A. suum eggs were incubated at 20degrees...
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Gene Expression Profiles in Genetically Different Mice Infected with Toxoplasma gondii: ALDH1A2, BEX2, EGR2, CCL3 and PLAU

Ismail HA, Quan JH, Wei Z, Choi IW, Cha GH, Shin DW, Lee YH, Song CJ

Toxoplasma gondii can modulate host cell gene expression; however, determining gene expression levels in intermediate hosts after T. gondii infection is not known much. We selected 5 genes (ALDH1A2, BEX2,...
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Antigenemia and Specific IgM and IgG Antibody Responses in Rabbits Infected with Toxoplasma gondii

Quan JH, Hassan HA, Cha GH, Shin DW, Lee YH

In this experiment, the correlation between antigenemia and specific antibody responses in Toxoplasma gondii-infected rabbits was assessed. We injected 1,000 T. gondii tachyzoites (RH) subcutaneously into 5 rabbits. Parasitemia, circulating...
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Genotyping of a Korean isolate of Toxoplasma gondii by multilocus PCR-RFLP and microsatellite analysis

Quan JH, Kim TY, Choi IU, Lee YH

Although the Korean isolate KI-1 of Toxoplasma gondii has been considered to be a virulent type I lineage because of its virulent clinical manifestations, its genotype is unclear. In the...
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