TFAP4 promotes the progression of liver fibrosis through regulating double-negative T cell differentiation via OX40

被引：1
|
作者：
Han, Chenyang [1 ]
Sheng, Yongjia [1 ]
Wang, Jin [1 ]
Zhou, Xiaohong [1 ]
Li, Wenyan [1 ]
Guo, Li [1 ]
Yang, Yi [1 ]
Cao, Chenxi [1 ]
机构：
[1] Jiaxing Univ, Affiliated Hosp 2, Jiaxing 314001, Peoples R China
来源：
INTERNATIONAL IMMUNOPHARMACOLOGY | 2023年 / 119卷
关键词：
Transcription factor; OX40; Double -negative T cells; TFAP4; Liver fibrosis; EXPRESSION; IMMUNITY;
D O I：
10.1016/j.intimp.2023.110164
中图分类号：
R392 [医学免疫学]; Q939.91 [免疫学];
学科分类号：
100102 ;
摘要：
This work aimed to investigate the role of transcription factor TFAP4-OX40 in promoting the differentiation of double-negative T cells (DNTs). Through prediction and experimental analysis, it was discovered that TFAP4 was the transcription factor of OX40. Therefore, OX40 neutralizing antibody and TFAP4 overexpression transfection were adopted to investigate the role of TFAP4-OX40 in DNTs differentiation, and the effect of differentiated DNTs on hepatic stellate cell (HSC) activation. Moreover, the impact of TFAP4 on liver fibrosis and DNTs in liver tissue was explored using mice with myeloid specific TFAP4 knockout by TFAP4 neutralizing antibody treatment. TFAP4 is the transcription regulatory factor for OX40, which promoted OX40 transcription expression to accelerate DNTs differentiation. Treatment with OX40 neutralizing antibody suppressed DNTs differentiation, while TFAP4 overexpression promoted DNTs differentiation. DNTs produced from the TFAP4 induced differentiation promoted HSC activation. Myeloid specific TFAP4 knockout delayed the progression of liver fibrosis and decreased DNTs in tissue, while treatment with TFAP4 neutralizing antibody suppressed liver fibrosis and DNTs in liver tissue. According to our results, TFAP4 is the transcription factor of OX40, which promotes DNTs differentiation via the OX40 signal, thus promoting the progression of liver fibrosis.
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页数：10
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