Huifeng Dang, X. Han, Yi Guo, Q. Li, Shigen Ye, L. Juan, Ruijun Li
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引用次数: 2
Abstract
A representative echinoderm, the sea cucumber Apostichopus japonicus has a special regeneration mechanism. The sea cucumber has no specific immune tissues or organs. Coelomocytes of sea cucumbers are involved in their cellular and humoral immunity. In this study, expression profiles of the main immune-related factors in sea cucumber coelomocytes were detected during coelomocyte regeneration after evisceration in A. japonicus. Immune-related factors Cu/Zn superoxide dismutase (Cu/Zn SOD), Catalase (CAT), C-type lysozyme (C-LYZ), Cathepsin D (CTSD), Melanotransferrin (MTF), Toll-like receptor (TLR), C-type lectin (C-LCT), Complement 3 (C3), Myeloid differentiation factor 88 (MYD88), Nuclear factor kappa-B (NF-κB), NF-κB inhibitor (IKB), TNF receptor-associated factor 6 (TRAF6), Peroxiredoxins (PRX), Nitric oxide synthase(NOS), Caspase-2 (CASP-2), Phenoloxidase (PO), and Glutathione Peroxidase(GPX), Heat shock protein 70 (HSP70) were detected by real-time fluorescent quantitative PCR at different time points during regeneration. The main immune-related genes in sea cucumber coelomocytes were significantly differentially expressed after evisceration, and an upregulation was observed for the majority of the considered genes. In summary, the discharge of viscera had a significant effect on expression of immune-related genes of sea cucumber coelomocytes. The expression level of each gene had a certain correlation with the sea cucumber regeneration process. The results provide reference data for the immune response of coelomocytes during regeneration.
期刊介绍:
Invertebrate Survival Journal (ISJ) is an international and open access journal devoted to prompt and innovative studies on the basic defense mechanisms in invertebrates, in particular with a view to identifying biotechnologies able to act against derived diseases and related economic damage.
Contributions will be mainly in the form of Letters to the Editor, Visions and Perspectives, Short Communications, Technical Reports, Research Reports, Review, Minireview and Reports of Meetings. Letters to the Editor can be commentaries or perspectives on invertebrate defence mechanisms or replies to the data published in ISJ.