Dietary berberine against intestinal oxidative stress, inflammation response, and microbiota disturbance caused by chronic copper exposure in freshwater grouper (Acrossocheilus fasciatus)
文献类型： 外文期刊
作者： Wang, Lei 1 ; Huang, Chenchen 1 ; Gao, Chang 1 ; Wang, Bin 1 ; He, Jiang 5 ; Yan, Yunzhi 1 ;
作者机构： 1.Anhui Normal Univ, Sch Ecol & Environm, Wuhu 241002, Peoples R China
2.Anhui Normal Univ, Collaborat Innovat Ctr Recovery & Reconstruct Degr, Wuhu 241002, Peoples R China
3.Anhui Normal Univ, Minist Educ, Wuhu 241002, Peoples R China
4.Prov Key Lab Biot Environm & Ecol Safety Anhui, Wuhu 241002, Peoples R China
5.Anhui Acad Agr Sci, Fisheries Res Inst, Anhui Key Lab Aquaculture & Stock Enhancement, Hefei, Peoples R China
6.Anhui Normal Univ, Sch Ecol & Environm, South Jiuhua Rd 189, Wuhu 241002, Anhui, Peoples R China
7.Anhui Acad Agr Sci, Fisheries Res Inst, Hefei, Peoples R China
关键词： Copper; Berberine; Intestine health; Microbiota
期刊名称：FISH & SHELLFISH IMMUNOLOGY （ 影响因子：4.7； 五年影响因子：4.7 ）
ISSN： 1050-4648
年卷期： 2023 年 139 卷
页码：
收录情况： SCI
摘要： Berberine (BBR) is known for its strong antioxidant, anti-inflammatory, and capacity to preserve intestinal microbiota balance in fish. This study aimed to investigate the protective effects of berberine against copperinduced toxicity in the intestine of freshwater grouper Acrossocheilus fasciatus. The experiment involved four groups: a control group, a Cu group exposed to 0.02 mg/L Cu2+, and two BBR groups fed with 100 or 400 mg/kg of berberine diets and exposed to the same Cu2+ concentration. Three replicates of healthy fish (initial weight 1.56 & PLUSMN; 0.10 g) were subjected to their respective treatments for 30 days. Results showed that none of the treatments significantly affected the survival rate, final weight, weight gain, and feed intake (P > 0.05). However, supplementation with 100 and 400 mg/kg of BBR significantly lowered the antioxidant activities, and glutathione peroxidase (gpx) and superoxide dismutase (sod) expression levels, as well as reduced malondialdehyde (MDA) content caused by Cu2+ exposure (P < 0.05). Berberine inclusion significantly downregulated proinflammatory factors NLR family pyrin domain containing 3 (nlrp3), interleukin 1 beta (il1 & beta;), interleukin 6 cytokine family signal transducer (il6st) but upregulated transforming growth factor beta 1 (tgf & beta;1) and heat shock 70 kDa protein (hsp70) expression. Moreover, berberine at both levels maintained the intestinal structural integrity and significantly improved gap junction gamma-1 (gjc1) mRNA level compared to the Cu group (P < 0.05). Based on 16S rDNA sequencing, the richness and diversity of intestinal microbiota in different groups were not significantly influenced. Berberine reduced the Firmicutes/Bacteroidota ratio and stifled the growth of some specific pathogenic bacteria such as Pseudomonas, Citrobacter, and Acinetobacter, while boosting the richness of potential probiotic bacteria, including Roseomonas and Reyranella compared with the Cu group. In conclusion, berberine showed significant protective effects against Cu2+-induced intestinal oxidative stress, inflammation response, and microbiota disturbance in freshwater grouper.
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