Immunocompetent molecules and their response network in horseshoe crabs

研究成果: Chapter in Book/Report/Conference proceedingChapter

30 引用 (Scopus)

抜粋

Horseshoe crab hemocyte selectively responds to bacterial lipopolysaccharides(LPS), which depends critically on the proteolytic activity of the LPS-responsive serine protease zymogen factor C. In response to stimulation by LPS, the hemocyte secretes several kinds of immunocompetent proteins. The coagulation cascade triggered by LPS or β-1,3-D-glucans (BDG) results in the formation of coagulin fibrils that are subsequently stabilized by transglutaminase (TGase)-dependent cross-linking. Invading pathogens are recognized and agglutinated by lectins and then killed by antimicrobial peptides. Moreover, LPS-triggered hemocyte exocytosis is enhanced by a feedback mechanism in which the antimicrobial peptides serve as endogenous mediators. Factor C also acts as an LPS-sensitive complement C3 convertase. In addition, a sub-cuticular epidermis-derived protein forms a TGase-stabilized mesh at sites of injury. Horseshoe crabs have a sophisticated innate immune response network that coordinately effects pathogen recognition and killing, prophenoloxidase activation, complement activation and TGase-dependent wound healing.

元の言語英語
ホスト出版物のタイトルInvertebrate Immunity
編集者Kenneth Soderhall
ページ122-136
ページ数15
DOI
出版物ステータス出版済み - 12 1 2010

出版物シリーズ

名前Advances in Experimental Medicine and Biology
708
ISSN(印刷物)0065-2598

All Science Journal Classification (ASJC) codes

  • Biochemistry, Genetics and Molecular Biology(all)

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  • これを引用

    Kawabata, S-I. (2010). Immunocompetent molecules and their response network in horseshoe crabs. : K. Soderhall (版), Invertebrate Immunity (pp. 122-136). (Advances in Experimental Medicine and Biology; 巻数 708). https://doi.org/10.1007/978-1-4419-8059-5-7