期刊
PARASITOLOGY INTERNATIONAL
卷 75, 期 -, 页码 -出版社
ELSEVIER IRELAND LTD
DOI: 10.1016/j.parint.2019.102049
关键词
interferon-gamma; Toxoplasma gondii; GREVEN mice; CD4(+) T cells; CD8(+) T cells
类别
资金
- Research Program on Emerging and Re-emerging Infectious Diseases from Agency for Medical Research and Development (AMED) [JP19fk0108047]
- Japanese Initiative for Progress of Research on Infectious Diseases for global Epidemic from Agency for Medical Research and Development (AMED) [JP19fm0208018]
- Strategic International Collaborative Research Program from Agency for Medical Research and Development (AMED) [19jm0210067h]
- Ministry of Education, Culture, Sports, Science and Technology [19H04809, 18KK0226, 18H02642, 19H00970]
- Cooperative Research Grant of the Institute for Enzyme Research, Joint Usage/Research Center, Tokushima University
- Takeda Science Foundation
- Mochida Memorial Foundation on Medical and Pharmaceutical Research
- Uehara Memorial Foundation
- Naito Foundation
- Astellas Foundation for Research on Metabolic Disorders
- Research Foundation for Microbial Diseases of Osaka University
- Grants-in-Aid for Scientific Research [19H00970, 19H04809, 18H02642, 18KK0226] Funding Source: KAKEN
Interferon-gamma (IFN-gamma) is important for host defense against various intracellular organisms including a protozoan pathogen Toxoplasma gondii. Various immune cells are recently shown to produce IFN-gamma in T. gondii infection, however, it remains elusive which cell types are important for anti-T. gondii host defense so far. Here we generate a new IFN-gamma reporter GREVEN mouse line in which a fusion protein of Venus and NanoLuc to analyze IFN-gamma producing cells during T. gondii infection and find that CD4(+), CD8(+), gamma delta T cells and natural killer cells express Venus in a time dependent manner. Furthermore, Lck-Cre/Ifng(fl/fl) mice are highly susceptible to T. gondii infection. Taken together, our results demonstrate that T cell-derived IFN-gamma plays an important role in anti-T. gondii host defense.
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