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Effects of the water-soluble fraction of diesel oil on the sera biochemical indicators, histological changes, and immune responses of black rockfish Sebastes schlegelii

文献类型： 外文期刊

作者： Gao, Yingli 1 ; Li, Zeyu 1 ; Han, Gaoshang 1 ; Qiang, Lu 1 ; Sun, Yungui 1 ; Tan, Ruiming 1 ; Yu, Yongxiang 4 ;

作者机构： 1.Jiangsu Ocean Univ, Sch Marine Life & Fisheries, Lab Pathol & Immunol Aquat Anim, Lianyungang 222005, Peoples R China

2.Jiangsu Ocean Univ, Jiangsu Key Lab Marine Biotechnol, Lianyungang 222005, Peoples R China

3.Jiangsu Ocean Univ, Jiangsu Key Lab Marine Bioresources & Environm, Lianyungang 222005, Peoples R China

4.Chinese Acad Fishery Sci CAFS, Yellow Sea Fisheries Res Inst, Qingdao 266000, Peoples R China

关键词： Sebastes schlegelii; Blood cells; Water-soluble fraction of diesel oil; Histological changes; Immune-related gene expression

期刊名称：MARINE ENVIRONMENTAL RESEARCH （ 影响因子：3.3； 五年影响因子：3.5 ）

ISSN： 0141-1136

年卷期： 2023 年 187 卷

页码：

收录情况： SCI

摘要： In order to understand the physiological and immune responses of Sebastes schlegelii to the water-soluble fraction of diesel oil (WSD), S. schlegelii were used as the experimental objects to study the effect of WSD on the sera biochemical indicators, histological changes, and immune responses. Significant differences in sera biochemical indicators were observed in S. schlegelii after WSD exposure. The alkaline phosphatase (ALP), glucose (GLU), and globulin (GLB) were reduced by 3.51-fold, 3.12-fold, and 1.58-fold, respectively; however, K+ was increased by 3.55-fold. The results of HE staining showed that interstitial congestion was observed in the liver; the secondary lamellae deformity and hyperplasia, epithelial lifting, the primary lamellae hyperplasia, and aneurism were observed in the gill. Epidermis thickness increased, and epidermal hyperplasia in the skin was shown. The length of the secondary lamellae shortened significantly after WSD exposure. The results of AB-PAS staining showed that three different types of mucous cells were observed in the gill, and a significant increase in the number of all three types of mucous cells was observed after WSD exposure (P < 0.05). In addition, the results of the relative mRNA expressions in the liver of eleven immune-related genes showed that the relative expression levels of IL-1 beta, IL-8, TNF receptor, BAFF, C1s, C1r, and MyD88 in the WSD group were substantially higher than those in the LPS group (P < 0.05), and the relative expression of caspase 10 was significantly lower than that in the LPS group (P < 0.05). At the same time, no significant differences were observed in the relative expression levels of IL-1, TNF alpha, and C1inh between the two groups (P > 0.05). This study was expected to provide essential data for health assessments of S. schlegelii and establish the foundation for the immune-related researches of S. schlegelii after WSD exposure.

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