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One of our main research focuses is to define γδ T cell function so that we can better understand host immune defense. γδ T cells, together with B cells and αβ T cells, are the only cells that use somatic V, D, J gene rearrangement to generate diverse antigen receptors. All three types of cells are present together in all but the most primitive vertebrates, suggesting that each population contributes to host immune competence uniquely and that all three are necessary for maintaining immune competence. Functional analysis indicates that in infections, γδ T cells respond earlier than αβ T cells do; and also emerge late after pathogen numbers start to decline. Thus, these cells may be involved in both establishing and resolving the inflammatory response. Our past studies indicate that γδ T cells and αβ T cells are clearly distinct in their antigen recognition and activation requirements and also in antigen-specific repertoire and effector-function development. These aspects allow γδ T cells to occupy unique temporal and functional niches in host immune defense. We are following up on these studies to determine how γδ T cell function affect the development and the termination of the inflammatory response and to study γδ T cells function in infections and autoimmune diseases. These include a mouse model of Toxoplasma gondii infection (in collaboration with Dr. John Boothryod) and celiac patients in response to gluten challenge (in collaboration with Dr. Mark Davis). We will expand the analysis to TB patients.
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论文共 109 篇作者统计合作学者相似作者
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Jing Guo,Roshni Roy Chowdhury,Vamsee Mallajosyula,Jianming Xie,Megha Dubey,Yuanyuan Liu,Jing Li,Yu-Ling Wei,Brad A Palanski, Conghua Wang, Lingfeng Qiu, Mané Ohanyan,
Proceedings of the National Academy of Sciences of the United States of Americano. 4 (2024): e2315592121-e2315592121
Jing Guo,Roshni Roy Chowdhury,Vamsee Mallajosyula,Jianming Xie,Megha Dubey, Yuanyuan Liu,Jing Li,Yu-ling Wei,Brad A. Palanski, Conghua Wang, Lingfeng Qiu, Mane Ohanyan,
Nature materialsno. 3 (2023): 380-390
biorxiv(2022)
Research Square (Research Square) (2021)
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