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Japanese Flounder HMGB1: A DAMP Molecule That Promotes Antimicrobial Immunity by Interacting with Immune Cells and Bacterial Pathogen
Chen, Yuan1,2,3,4; Yu, Chao1,2,3,4; Jiang, Shuai1,2,3,4; Sun, Li1,2,3,4
2022-09-01
发表期刊GENES
卷号13期号:9页码:14
通讯作者Sun, Li(lsun@qdio.ac.cn)
摘要High mobility group box (HMGB) proteins are DNA-associated proteins that bind and modulate chromosome structures. In mammals, HMGB proteins can be released from the cell nucleus and serve as a damage-associated molecular pattern (DAMP) under stress conditions. In fish, the DAMP function of HMGB proteins in association with bacterial infection remains to be investigated. In this study, we examined the immunological functions of two HMGB members, HMGB1 and HMG20A, of Japanese flounder. HMGB1 and HMG20A were expressed in multiple tissues of the flounder. HMGB1 was released from peripheral blood leukocytes (PBLs) upon bacterial challenge in a temporal manner similar to that of lactate dehydrogenase release. Recombinant HMGB1 bound to PBLs and induced ROS production and the expression of inflammatory genes. HMGB1 as well as HMG20A also bound to various bacterial pathogens and caused bacterial agglutination. The bacteria-binding patterns of HMGB1 and HMG20A were similar, and the binding of HMGB1 competed with the binding of HMG20A but not vice versa. During bacterial infection, HMGB1 enhanced the immune response of PBLs and repressed bacterial invasion. Collectively, our results indicate that flounder HMGB1 plays an important role in antimicrobial immunity by acting both as a modulator of immune cells and as a pathogen-interacting DAMP.
关键词Paralichthys olivaceus HMGB DAMP antimicrobial immunity
DOI10.3390/genes13091509
收录类别SCI
语种英语
资助项目National Key Research and Development Project of China[2018YFD0900500] ; Taishan Scholar Program of Shandong Province ; Youth Innovation Promotion Association CAS[2021204]
WOS研究方向Genetics & Heredity
WOS类目Genetics & Heredity
WOS记录号WOS:000856384900001
出版者MDPI
引用统计
被引频次:3[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.qdio.ac.cn/handle/337002/180799
专题实验海洋生物学重点实验室
通讯作者Sun, Li
作者单位1.Chinese Acad Sci, Ctr Ocean Megasci, Inst Oceanol, CAS, Qingdao 266071, Peoples R China
2.Chinese Acad Sci, Ctr Ocean Megasci, Inst Oceanol, Shandong Prov Key Lab Expt Marine Biol, Qingdao 266071, Peoples R China
3.Pilot Natl Lab Marine Sci & Technol Qingdao, Lab Marine Biol & Biotechnol, Qingdao 266237, Peoples R China
4.Univ Chinese Acad Sci, Coll Earth & Planetary Sci, Beijing 100049, Peoples R China
第一作者单位中国科学院海洋大科学研究中心
通讯作者单位中国科学院海洋大科学研究中心
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GB/T 7714
Chen, Yuan,Yu, Chao,Jiang, Shuai,et al. Japanese Flounder HMGB1: A DAMP Molecule That Promotes Antimicrobial Immunity by Interacting with Immune Cells and Bacterial Pathogen[J]. GENES,2022,13(9):14.
APA Chen, Yuan,Yu, Chao,Jiang, Shuai,&Sun, Li.(2022).Japanese Flounder HMGB1: A DAMP Molecule That Promotes Antimicrobial Immunity by Interacting with Immune Cells and Bacterial Pathogen.GENES,13(9),14.
MLA Chen, Yuan,et al."Japanese Flounder HMGB1: A DAMP Molecule That Promotes Antimicrobial Immunity by Interacting with Immune Cells and Bacterial Pathogen".GENES 13.9(2022):14.
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