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"Wei Zhou"

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"Wei Zhou"

Original Articles
The Role of PI3K/AKT Pathway and NADPH Oxidase 4 in Host ROS Manipulation by Toxoplasma gondii
Hei Gwon Choi, Fei-Fei Gao, Wei Zhou, Pu-Reum Sun, Jae-Min Yuk, Young-Ha Lee, Guang-Ho Cha
Korean J Parasitol 2020;58(3):237-247.
Published online June 26, 2020
DOI: https://doi.org/10.3347/kjp.2020.58.3.237
Dendritic cell is one of the first innate immune cell to encounter T. gondii after the parasite crosses the host intestinal epithelium. T. gondii requires intact DC as a carrier to infiltrate into host central nervous system (CNS) without being detected or eliminated by host defense system. The mechanism by which T. gondii avoids innate immune defense of host cell, especially in the dendritic cell is unknown. Therefore, we examined the role of host PI3K/AKT signaling pathway activation by T. gondii in dendritic cell. T. gondii infection or T. gondii excretory/secretory antigen (TgESA) treatment to the murine dendritic cell line DC2.4 induced AKT phosphorylation, and treatment of PI3K inhibitors effectively suppressed the T. gondii proliferation but had no effect on infection rate or invasion rate. Furthermore, it is found that T. gondii or TgESA can reduce H2O2-induced intracellular reactive oxygen species (ROS) as well as host endogenous ROS via PI3K/AKT pathway activation. While searching for the main source of the ROS, we found that NADPH oxidase 4 (NOX4) expression was controlled by T. gondii infection or TgESA treatment, which is in correlation with previous observation of the ROS reduction by identical treatments. These findings suggest that the manipulation of the host PI3K/AKT signaling pathway and NOX4 expression is an essential mechanism for the down-regulation of ROS, and therefore, for the survival and the proliferation of T. gondii.

Citations

Citations to this article as recorded by  Crossref logo
  • Small molecule kinase inhibitor altiratinib inhibits brain cyst forming bradyzoites of Toxoplasma gondii
    Yeong Hoon Kim, Hye-Jin Ahn, Hwa Sun Kim, Ho-Woo Nam
    Journal of Microbiology.2025; 63(2): e2409001.     CrossRef
  • The role of Nrf2 signaling in parasitic diseases and its therapeutic potential
    Mohammadamin Vatankhah, Reza Panahizadeh, Ali Safari, Alireza Ziyabakhsh, Behnam Mohammadi-Ghalehbin, Narges Soozangar, Farhad Jeddi
    Heliyon.2024; 10(12): e32459.     CrossRef
  • Brain –cyst-driven genes expression in Toxoplasma Gondii Tehran strain: a parasitic-immunogenicity assessment by dint of RNA-Seq
    Marzieh Asadi, Zahra Babaei, Ali Afgar, Mohammad Hossein Banabazi, Naser ZiaAli, Ahmad Daryani, Ehsan Aghajani, Milad Mahdavi, Mohamadreza Attari, Farzaneh Zarrinkar
    Veterinary Research Communications.2024; 48(4): 2563.     CrossRef
  • BjussuLAAO-II, an l-amino acid oxidase from Bothrops jararacussu snake venom, impairs Toxoplasma gondii infection in human trophoblast cells and villous explants from the third trimester of pregnancy
    Thales Alves de Melo Fernandes, Samuel Cota Teixeira, Tássia Rafaela Costa, Alessandra Monteiro Rosini, Guilherme de Souza, Lorena Polloni, Bellisa de Freitas Barbosa, Marcelo José Barbosa Silva, Eloisa Amália Vieira Ferro, Veridiana de Melo Rodrigues Ávi
    Microbes and Infection.2023; 25(6): 105123.     CrossRef
  • Toxoplasma gondii inhibits the expression of autophagy-related genes through AKT-dependent inactivation of the transcription factor FOXO3a
    Andres Felipe Diez, Louis-Philippe Leroux, Sophie Chagneau, Alexandra Plouffe, Mackenzie Gold, Visnu Chaparro, Maritza Jaramillo, Anita A. Koshy
    mBio.2023;[Epub]     CrossRef
  • Regulation of phosphoinositide metabolism in Apicomplexan parasites
    Angela Arabiotorre, Vytas A. Bankaitis, Aby Grabon
    Frontiers in Cell and Developmental Biology.2023;[Epub]     CrossRef
  • FAF1 downregulation by Toxoplasma gondii enables host IRF3 mobilization and promotes parasite growth
    Fei‐Fei Gao, Juan‐Hua Quan, In‐Wook Choi, Yeon‐Jae Lee, Seul‐Gi Jang, Jae‐Min Yuk, Young‐Ha Lee, Guang‐Ho Cha
    Journal of Cellular and Molecular Medicine.2021; 25(19): 9460.     CrossRef
  • 7,263 View
  • 179 Download
  • 7 Web of Science
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Dipenyleneiodonium Induces Growth Inhibition of Toxoplasma gondii through ROS Induction in ARPE-19 Cells
Pu Reum Sun, Fei Fei Gao, Hei Gwon Choi, Wei Zhou, Jae-Min Yuk, Jaeyul Kwon, Young-Ha Lee, Guang-Ho Cha
Korean J Parasitol 2019;57(2):83-92.
Published online April 30, 2019
DOI: https://doi.org/10.3347/kjp.2019.57.2.83
Based on the reactive oxygen species (ROS) regulatory properties of diphenyleneiodonium (DPI), we investigated the effects of DPI on host-infected T. gondii proliferation and determined specific concentration that inhibit the intracellular parasite growth but without severe toxic effect on human retinal pigment epithelial (ARPE-19) cells. As a result, it is observed that host superoxide, mitochondria superoxide and H2O2 levels can be increased by DPI, significantly, followed by suppression of T. gondii infection and proliferation. The involvement of ROS in anti-parasitic effect of DPI was confirmed by finding that DPI effect on T. gondii can be reversed by ROS scavengers, N-acetyl-L-cysteine and ascorbic acid. These results suggest that, in ARPE-19 cell, DPI can enhance host ROS generation to prevent T. gondii growth. Our study showed DPI is capable of suppressing T. gondii growth in host cells while minimizing the un-favorite side-effect to host cell. These results imply that DPI as a promising candidate material for novel drug development that can ameliorate toxoplasmosis based on ROS regulation.

Citations

Citations to this article as recorded by  Crossref logo
  • Small molecule kinase inhibitor altiratinib inhibits brain cyst forming bradyzoites of Toxoplasma gondii
    Yeong Hoon Kim, Hye-Jin Ahn, Hwa Sun Kim, Ho-Woo Nam
    Journal of Microbiology.2025; 63(2): e2409001.     CrossRef
  • MjTX-II, a Lys49-PLA2 from Bothrops moojeni snake venom, restricts Toxoplasma gondii infection via ROS and VEGF regulation
    Samuel Cota Teixeira, Thales Alves de Melo Fernandes, Guilherme de Souza, Alessandra Monteiro Rosini, Aryani Felixa Fajardo Martínez, Angelica Oliveira Gomes, Rosiane Nascimento Alves, Daiana Silva Lopes, Maria Vitoria da Silva, Emidio Beraldo-Neto, Patrí
    Chemico-Biological Interactions.2025; 409: 111417.     CrossRef
  • High-Throughput Repurposing Screen Reveals Compounds with Activity against Toxoplasma gondii Bradyzoites
    Taher Uddin, Jing Xia, Yong Fu, Case W. McNamara, Arnab K. Chatterjee, L. David Sibley
    ACS Infectious Diseases.2025; 11(3): 600.     CrossRef
  • In Vitro Inhibitory Activity of Corilagin and Punicalagin Against Toxoplasma gondii and Their Mechanism(s) of Action
    Nicole T. Green-Ross, Homa Nath Sharma, Audrey Napier, Boakai K. Robertson, Robert L. Green, Daniel A. Abugri
    Antibiotics.2025; 14(4): 336.     CrossRef
  • Metabolic changes in Toxoplasma gondii -infected host cells measured by autofluorescence imaging
    Gina M. Gallego-López, Emmanuel Contreras Guzman, Danielle E. Desa, Laura J. Knoll, Melissa C. Skala, Anita A. Koshy
    mBio.2024;[Epub]     CrossRef
  • BjussuLAAO-II, an l-amino acid oxidase from Bothrops jararacussu snake venom, impairs Toxoplasma gondii infection in human trophoblast cells and villous explants from the third trimester of pregnancy
    Thales Alves de Melo Fernandes, Samuel Cota Teixeira, Tássia Rafaela Costa, Alessandra Monteiro Rosini, Guilherme de Souza, Lorena Polloni, Bellisa de Freitas Barbosa, Marcelo José Barbosa Silva, Eloisa Amália Vieira Ferro, Veridiana de Melo Rodrigues Ávi
    Microbes and Infection.2023; 25(6): 105123.     CrossRef
  • DNA double-strand breaks in the Toxoplasma gondii-infected cells by the action of reactive oxygen species
    Haohan Zhuang, Chaoqun Yao, Xianfeng Zhao, Xueqiu Chen, Yimin Yang, Siyang Huang, Lingtao Pan, Aifang Du, Yi Yang
    Parasites & Vectors.2020;[Epub]     CrossRef
  • 8,814 View
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  • 7 Web of Science
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Evaluation of Protective Immune Response Induced by a DNA Vaccine Encoding GRA8 against Acute Toxoplasmosis in a Murine Model
Jia-Qi Chu, Shuai Huang, Wei Ye, Xuan-Yan Fan, Rui Huang, Shi-Cai Ye, Cai-Yuan Yu, Wei-Yun Wu, Yu Zhou, Wei Zhou, Young-Ha Lee, Juan-Hua Quan
Korean J Parasitol 2018;56(4):325-334.
Published online August 31, 2018
DOI: https://doi.org/10.3347/kjp.2018.56.4.325
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 clearly indicate a need for the development of an effective vaccine. T. gondii GRA8 is a member of the dense granules protein family and is used as a marker of acute infection. In the present study, we evaluated the protective immunity induced by DNA vaccination based on a recombinant eukaryotic plasmid, pDsRed2-GRA8, against acute toxoplasmosis in mice. BALB/c mice were intramuscularly immunized with the pDsRed2-GRA8 plasmid and then challenged by infection with the highly virulent GFP-RH strain of T. gondii. The specific immune responses and protective efficacy against T. gondii of this vaccine were analyzed by measuring cytokine and serum antibody titers, splenocyte proliferation assays, and the survival times of mice after challenge. Our results showed that mice immunized with pDsRed2-GRA8 demonstrated specific humoral and cellular responses, induced higher IgG antibody titers with predominant IgG2a production; increased levels of IL-10, IL-12 (p70), IFN-γ, TNF-α, and splenocyte proliferation; and prolonged survival times compared to those of control mice. The present study showed that DNA immunization with pDsRed2-GRA8 induced humoral and cellular immune responses, and all immunized mice showed greater Th1-type immune responses and longer survival times than those of control mice. These results indicated that T. gondii GRA8 DNA immunization induces a partial protective effect against acute toxoplasmosis.

Citations

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  • Toxoplasma gondii vaccine candidates: a concise review
    Amirreza Javadi Mamaghani, Anwar Fathollahi, Zahra Arab-Mazar, Kobra kohansal, Matin Fathollahi, Adel Spotin, Homayoon Bashiri, Arezoo Bozorgomid
    Irish Journal of Medical Science (1971 -).2023; 192(1): 231.     CrossRef
  • Insight into the current Toxoplasma gondii DNA vaccine: a review article
    Xirui Zhang, Hao Yuan, Yasser S. Mahmmod, Zipeng Yang, Mengpo Zhao, Yining Song, Shengjun Luo, Xiu-Xiang Zhang, Zi-Guo Yuan
    Expert Review of Vaccines.2023; 22(1): 66.     CrossRef
  • Co-Immunization with DNA Vaccines Expressing SABP1 and SAG1 Proteins Effectively Enhanced Mice Resistance to Toxoplasma gondii Acute Infection
    Xiaoyu Sang, Xiang Li, Ran Chen, Ying Feng, Ting He, Xiaohan Zhang, Saeed El-Ashram, Ebtsam Al-Olayan, Na Yang
    Vaccines.2023; 11(7): 1190.     CrossRef
  • Evaluation of anti‐tick efficiency in rabbits induced by DNA vaccines encoding Haemaphysalis longicornis lipocalin homologue
    Xiang‐Yuan Fan, Xiao‐Can Xu, Ya‐Xue Wu, Xiao‐Ya Liu, Feng Yang, Yong‐Hong Hu
    Medical and Veterinary Entomology.2022; 36(4): 511.     CrossRef
  • Review of DNA Vaccine Approaches Against the Parasite Toxoplasma gondii
    Rosalie C. Warner, Ryan C. Chapman, Brianna N. Davis, Paul H. Davis
    Journal of Parasitology.2021;[Epub]     CrossRef
  • A systematic review on the role of GRA proteins of Toxoplasma gondii in host immunization
    Fatemeh Rezaei, Mahdi Sharif, Shahabeddin Sarvi, Seyed Hossein Hejazi, Sargis Aghayan, Abdol Sattar Pagheh, Samira Dodangeh, Ahmad Daryani
    Journal of Microbiological Methods.2019; 165: 105696.     CrossRef
  • 9,611 View
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  • 8 Web of Science
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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
Wei Zhou, Juan-Hua Quan, Fei-Fei Gao, Hassan Ahmed Hassan Ahmed Ismail, Young-Ha Lee, Guang-Ho Cha
Korean J Parasitol 2018;56(2):135-145.
Published online April 30, 2018
DOI: https://doi.org/10.3347/kjp.2018.56.2.135
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 is known about the signaling events in RPE involved in Toxoplasma gondii infection and development. The aim of the study is to screen the host mRNA transcriptional change of 3 inflammation-related gene categories, PI3K/Akt pathway regulatory components, blood vessel development factors and ROS regulators, to prove that PI3K/Akt or mTOR signaling pathway play an essential role in regulating the selected inflammation-related genes. The selected genes include PH domain and leucine- richrepeat protein phosphatases (PHLPP), casein kinase2 (CK2), vascular endothelial growth factor (VEGF), pigment epithelium-derived factor (PEDF), glutamate-cysteine ligase (GCL), glutathione S-transferase (GST), and NAD(P)H: quinone oxidoreductase (NQO1). Using reverse transcription polymerase chain reaction (RT-PCR) and quantitative real-time reverse transcription polymerase chain reaction (qRT-PCR), we found that T. gondii up-regulates PHLPP2, CK2β, VEGF, GCL, GST, and NQO1 gene expression levels, but down-regulates PHLPP1 and PEDF mRNA transcription levels. PI3K inhibition and mTOR inhibition by specific inhibitors showed that most of these host gene expression patterns were due to activation of PI3K/Akt or mTOR pathways with some exceptional cases. Taken together, our results reveal a new molecular mechanism of these gene expression change dependent on PI3K/Akt or mTOR pathways and highlight more systematical insight of how an intracellular T. gondii can manipulate host genes to avoid host defense.

Citations

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  • PTEN regulation in virus-associated cancers
    Shaian Tavakolian, Zahra Shokati Eshkiki, Abolfazl Akbari, Ebrahim Faghihloo, Seidamir Pasha Tabaeian
    Pathology - Research and Practice.2025; 266: 155749.     CrossRef
  • MjTX-II, a Lys49-PLA2 from Bothrops moojeni snake venom, restricts Toxoplasma gondii infection via ROS and VEGF regulation
    Samuel Cota Teixeira, Thales Alves de Melo Fernandes, Guilherme de Souza, Alessandra Monteiro Rosini, Aryani Felixa Fajardo Martínez, Angelica Oliveira Gomes, Rosiane Nascimento Alves, Daiana Silva Lopes, Maria Vitoria da Silva, Emidio Beraldo-Neto, Patrí
    Chemico-Biological Interactions.2025; 409: 111417.     CrossRef
  • Echinococcus multilocularis protoscoleces enhance glycolysis to promote M2 Macrophages through PI3K/Akt/mTOR Signaling Pathway
    Tao Zhang, Yaogang Zhang, Zihan Yang, Yuan Jiang, Li Sun, Dengliang Huang, Meiyuan Tian, Yinhong Shen, Jun Deng, Jing Hou, Yanyan Ma
    Pathogens and Global Health.2023; 117(4): 409.     CrossRef
  • The interplay between toxoplasmosis and host miRNAs: Mechanisms and consequences
    Ahmed S. Doghish, Mohamed A. Ali, Mahmoud A. Elrebehy, Hend H. Mohamed, Reda Mansour, Aml Ghanem, Ahmed Hassan, Mohammed S. Elballal, Ola Elazazy, Ahmed E. Elesawy, Sherif S. Abdel Mageed, Yara A. Nassar, Osama A. Mohammed, Ahmed I. Abulsoud
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    Lin Yang, Peng Yu, Mei Chen, Bo Lei
    Journal of Ocular Pharmacology and Therapeutics.2022; 38(2): 189.     CrossRef
  • The host mTOR pathway and parasitic diseases pathogenesis
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  • Upregulation of PEDF Predicts a Poor Prognosis and Promotes Esophageal Squamous Cell Carcinoma Progression by Modulating the MAPK/ERK Signaling Pathway
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    Frontiers in Oncology.2021;[Epub]     CrossRef
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    Jiannan Liu, Kelaier Yang, Yinshan Jin, Yadong Liu, Yaodong Chen, Xiaohui Zhang, Shiliang Yu, Erlin Song, Song Chen, Jingbo Zhang, Guanhua Jing, Ruihua An
    Cell Proliferation.2020;[Epub]     CrossRef
  • Dipenyleneiodonium Induces Growth Inhibition of Toxoplasma gondii through ROS Induction in ARPE-19 Cells
    Pu Reum Sun, Fei Fei Gao, Hei Gwon Choi, Wei Zhou, Jae-Min Yuk, Jaeyul Kwon, Young-Ha Lee, Guang-Ho Cha
    The Korean Journal of Parasitology.2019; 57(2): 83.     CrossRef
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    Michael J. Holmes, Premal Shah, Ronald C. Wek, William J. Sullivan, Ira J. Blader
    mSphere.2019;[Epub]     CrossRef
  • 11,140 View
  • 182 Download
  • 12 Web of Science
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Trichomonas vaginalis Metalloproteinase Induces mTOR Cleavage of SiHa Cells
Juan-Hua Quan, In-Wook Choi, Jung-Bo Yang, Wei Zhou, Guang-Ho Cha, Yu Zhou, Jae-Sook Ryu, Young-Ha Lee
Korean J Parasitol 2014;52(6):595-603.
Published online December 23, 2014
DOI: https://doi.org/10.3347/kjp.2014.52.6.595

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 (mTOR) regulates cell growth, cell proliferation, cell motility, cell survival, protein synthesis, and transcription. We detected various types of metalloproteinases including GP63 protein from T. vaginalis trophozoites, and T. vaginalis GP63 metalloproteinase was confirmed by sequencing and western blot. When SiHa cells were stimulated with live T. vaginalis, T. vaginalis excretory-secretory products (ESP) or T. vaginalis lysate, live T. vaginalis and T. vaginalis ESP induced the mTOR cleavage in both time- and parasite load-dependent manner, but T. vaginalis lysate did not. Pretreatment of T. vaginalis with a metalloproteinase inhibitor, 1,10-phenanthroline, completely disappeared the mTOR cleavage in SiHa cells. Collectively, T. vaginalis metallopeptidase induces host cell mTOR cleavage, which may be related to survival of the parasite.

Citations

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  • Chromatin accessibility and gene expression in the parasite Trichomonas vaginalis
    Agustina Prat, Daniela Muñoz, Ayelen Lizarraga, Julieta Seifert-Gorzycki, Estefania Sanchez-Vazquez, Patricia J. Johnson, Pablo H. Strobl-Mazzulla, Natalia de Miguel
    BMC Infectious Diseases.2025;[Epub]     CrossRef
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    Graziela Vargas Rigo, Fernanda Gomes Cardoso, Giulia Bongiorni Galego, Deisiane Fernanda da Rosa, André Luis Souza dos Santos, Tiana Tasca
    Current Protein & Peptide Science.2023; 24(4): 307.     CrossRef
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    Nehuén Salas, Veronica M. Coceres, Tuanne dos Santos Melo, Antonio Pereira-Neves, Vanina G. Maguire, Tania M. Rodriguez, Bruna Sabatke, Marcel I. Ramirez, Jihui Sha, James A. Wohlschlegel, Natalia de Miguel
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    Bénédicte Pradines, Séverine Domenichini, Vanessa Lievin-Le Moal
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    Wei Zhang, Jiaxin Yang, Dongyan Cao, Yan You, Keng Shen, Peng Peng
    Tumor Biology.2016; 37(12): 15763.     CrossRef
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    Jung-Bo Yang, Juan-Hua Quan, Ye-Eun Kim, Yun-Ee Rhee, Byung-Hyun Kang, In-Wook Choi, Guang-Ho Cha, Jae-Min Yuk, Young-Ha Lee
    The Korean Journal of Parasitology.2015; 53(4): 371.     CrossRef
  • 11,447 View
  • 103 Download
  • 7 Web of Science
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Kinetics of IL-23 and IL-12 Secretion in Response to Toxoplasma gondii Antigens from THP-1 Monocytic Cells
Juan-Hua Quan, Wei Zhou, Guang-Ho Cha, In-Wook Choi, Dae-Whan Shin, Young-Ha Lee
Korean J Parasitol 2013;51(1):85-92.
Published online February 18, 2013
DOI: https://doi.org/10.3347/kjp.2013.51.1.85

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 secretion profiles in T. gondii-infected immune cells in connection with IL-12. We compared the patterns of IL-23 and IL-12 production by THP-1 human monocytic cells in response to stimulation with live or heat-killed T. gondii tachyzoites, or with equivalent quantities of either T. gondii excretory/secretory proteins (ESP) or soluble tachyzoite antigen (STAg). IL-23 and IL-12 were significantly increased from 6 hr after stimulation with T. gondii antigens, and their secretions were increased with parasite dose-dependent manner. IL-23 concentrations were significantly higher than those of IL-12 at the same multiplicity of infection. IL-23 secretion induced by live parasites was significantly higher than that by heat-killed parasites, ESP, or STAg, whereas IL-12 secretion by live parasite was similar to those of ESP or STAg. However, the lowest levels of both cytokines were at stimulation with heat-killed parasites. These data indicate that IL-23 secretion patterns by stimulation with various kinds of T. gondii antigens at THP-1 monocytic cells are similar to those of IL-12, even though the levels of IL-23 induction were significantly higher than those of IL-12. The detailed kinetics induced by each T. gondii antigen were different from each other.

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    Seyed Hossein Abdollahi, Fateme Ayoobi, Hossein Khorramdelazad, Behzad Nasiri Ahmadabadi, Mohammadtaghi Rezayati, Mohammad Kazemi Arababadi, Mohammad Zare-Bidaki
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    Juan-Hua Quan, Jia-Qi Chu, Jaeyul Kwon, In-Wook Choi, Hassan Ahmed Hassan Ahmed Ismail, Wei Zhou, Guang-Ho Cha, Yu Zhou, Jae-Min Yuk, Eun-Kyeong Jo, Young-Ha Lee, Salvatore V Pizzo
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