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C5a of Cynoglossus semilaevis has anaphylatoxin-like properties and promotes antibacterial and antiviral defense
Li, Mo-fei1,2; Hu, Yong-hua1,2
2016-07-01
Source PublicationDEVELOPMENTAL AND COMPARATIVE IMMUNOLOGY
Volume60Pages:139-148
SubtypeArticle
AbstractActivation of the complement system leads to the cleavage of component factor C5 into C5a and C5b. C5a can induce chemotaxis and inflammatory responses in mammals. The function of C5a in fish is poorly understood. In this study, we report the identification and analysis of a C5 homologue, CsC5, from tongue sole (Cynoglossus semilaevis). CsC5 is composed of 1683 amino acid residues that include an anaphylatoxin homologous domain. Expression of CsC5 could be detected in a variety of tissues and was up regulated by bacterial or viral pathogen infection. Purified recombinant CsC5a (rCsC5a) could bind to peripheral blood leukocytes (PBL) and stimulate PBL chemotaxis, proliferation, respiratory burst, acid phosphatase activity, and phagocytosis. Tongue sole administered rCsC5a exhibited enhanced resistance against bacterial and viral infections. These results indicate that CsC5a is an anaphylatoxin with a role in innate immune defense against bacterial and viral infections. (C) 2016 Elsevier Ltd. All rights reserved.
KeywordComplement Factor 5 Cynoglossus Semilaevis Peripheral Blood Leukocytes Antibacterial Antiviral
DOI10.1016/j.dci.2016.02.028
Indexed BySCI
Language英语
WOS IDWOS:000374613800014
Citation statistics
Document Type期刊论文
Version出版稿
Identifierhttp://ir.qdio.ac.cn/handle/337002/131014
Collection实验海洋生物学重点实验室
Affiliation1.Chinese Acad Sci, Inst Oceanol, Key Lab Expt Marine Biol, Qingdao, Peoples R China
2.Qingdao Natl Lab Marine Sci & Technol, Lab Marine Biol & Biotechnol, Qingdao, Peoples R China
First Author AffilicationInstitute of Oceanology, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Li, Mo-fei,Hu, Yong-hua. C5a of Cynoglossus semilaevis has anaphylatoxin-like properties and promotes antibacterial and antiviral defense[J]. DEVELOPMENTAL AND COMPARATIVE IMMUNOLOGY,2016,60:139-148.
APA Li, Mo-fei,&Hu, Yong-hua.(2016).C5a of Cynoglossus semilaevis has anaphylatoxin-like properties and promotes antibacterial and antiviral defense.DEVELOPMENTAL AND COMPARATIVE IMMUNOLOGY,60,139-148.
MLA Li, Mo-fei,et al."C5a of Cynoglossus semilaevis has anaphylatoxin-like properties and promotes antibacterial and antiviral defense".DEVELOPMENTAL AND COMPARATIVE IMMUNOLOGY 60(2016):139-148.
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