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Liu M, Deng P, Li G, Liu H, Zuo J, Cui W, Zhang H, Chen X, Yao J, Peng X, Peng L, Liu J, Zheng W, Yan W, Luan N. Neurotoxicity of Combined Exposure to the Heavy Metals (Pb and As) in Zebrafish ( Danio rerio). TOXICS 2024; 12:282. [PMID: 38668505 PMCID: PMC11054020 DOI: 10.3390/toxics12040282] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/18/2024] [Revised: 04/02/2024] [Accepted: 04/09/2024] [Indexed: 04/29/2024]
Abstract
Lead (Pb) and arsenic (As) are commonly occurring heavy metals in the environment and produce detrimental impacts on the central nervous system. Although they have both been indicated to exhibit neurotoxic properties, it is not known if they have joint effects, and their mechanisms of action are likewise unknown. In this study, zebrafish were exposed to different concentrations of Pb (40 μg/L, 4 mg/L), As (32 μg/L, 3.2 mg/L) and their combinations (40 μg/L + 32 μg/L, 4 mg/L + 3.2 mg/L) for 30 days. The histopathological analyses showed significant brain damage characterized by glial scar formation and ventricular enlargement in all exposed groups. In addition, either Pb or As staining inhibited the swimming speed of zebrafish, which was enhanced by their high concentrations in a mixture. To elucidate the underlying mechanisms, we examined changes in acetylcholinesterase (AChE) activity, neurotransmitter (dopamine, 5-hydroxytryptamine) levels, HPI axis-related hormone (cortisol and epinephrine) contents and neurodevelopment-related gene expression in zebrafish brain. The observations suggest that combined exposure to Pb and As can cause abnormalities in swimming behavior and ultimately exacerbate neurotoxicity in zebrafish by interfering with the cholinergic system, dopamine and 5-hydroxytryptamine signaling, HPI axis function as well as neuronal development. This study provides an important theoretical basis for the mixed exposure of heavy metals and their toxicity to aquatic organisms.
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Affiliation(s)
- Ming Liu
- College of Fisheries, Huazhong Agricultural University, Wuhan 430070, China; (M.L.); (G.L.); (H.L.); (J.Z.); (W.Z.)
| | - Ping Deng
- Wuhan Academy of Agricultural Sciences, Wuhan 430056, China;
| | - Guangyu Li
- College of Fisheries, Huazhong Agricultural University, Wuhan 430070, China; (M.L.); (G.L.); (H.L.); (J.Z.); (W.Z.)
| | - Haoling Liu
- College of Fisheries, Huazhong Agricultural University, Wuhan 430070, China; (M.L.); (G.L.); (H.L.); (J.Z.); (W.Z.)
| | - Junli Zuo
- College of Fisheries, Huazhong Agricultural University, Wuhan 430070, China; (M.L.); (G.L.); (H.L.); (J.Z.); (W.Z.)
| | - Wenwen Cui
- Hubei Key Laboratory of Nutritional Quality and Safety of Agro-Products, Institute of Quality Standard and Testing Technology for Agro-Products, Hubei Academy of Agricultural Sciences, Wuhan 430064, China; (W.C.); (H.Z.); (X.C.); (J.Y.); (X.P.); (L.P.); (J.L.)
| | - Huixian Zhang
- Hubei Key Laboratory of Nutritional Quality and Safety of Agro-Products, Institute of Quality Standard and Testing Technology for Agro-Products, Hubei Academy of Agricultural Sciences, Wuhan 430064, China; (W.C.); (H.Z.); (X.C.); (J.Y.); (X.P.); (L.P.); (J.L.)
| | - Xin Chen
- Hubei Key Laboratory of Nutritional Quality and Safety of Agro-Products, Institute of Quality Standard and Testing Technology for Agro-Products, Hubei Academy of Agricultural Sciences, Wuhan 430064, China; (W.C.); (H.Z.); (X.C.); (J.Y.); (X.P.); (L.P.); (J.L.)
| | - Jingjing Yao
- Hubei Key Laboratory of Nutritional Quality and Safety of Agro-Products, Institute of Quality Standard and Testing Technology for Agro-Products, Hubei Academy of Agricultural Sciences, Wuhan 430064, China; (W.C.); (H.Z.); (X.C.); (J.Y.); (X.P.); (L.P.); (J.L.)
| | - Xitian Peng
- Hubei Key Laboratory of Nutritional Quality and Safety of Agro-Products, Institute of Quality Standard and Testing Technology for Agro-Products, Hubei Academy of Agricultural Sciences, Wuhan 430064, China; (W.C.); (H.Z.); (X.C.); (J.Y.); (X.P.); (L.P.); (J.L.)
| | - Lijun Peng
- Hubei Key Laboratory of Nutritional Quality and Safety of Agro-Products, Institute of Quality Standard and Testing Technology for Agro-Products, Hubei Academy of Agricultural Sciences, Wuhan 430064, China; (W.C.); (H.Z.); (X.C.); (J.Y.); (X.P.); (L.P.); (J.L.)
| | - Jiao Liu
- Hubei Key Laboratory of Nutritional Quality and Safety of Agro-Products, Institute of Quality Standard and Testing Technology for Agro-Products, Hubei Academy of Agricultural Sciences, Wuhan 430064, China; (W.C.); (H.Z.); (X.C.); (J.Y.); (X.P.); (L.P.); (J.L.)
| | - Wenting Zheng
- College of Fisheries, Huazhong Agricultural University, Wuhan 430070, China; (M.L.); (G.L.); (H.L.); (J.Z.); (W.Z.)
| | - Wei Yan
- Hubei Key Laboratory of Nutritional Quality and Safety of Agro-Products, Institute of Quality Standard and Testing Technology for Agro-Products, Hubei Academy of Agricultural Sciences, Wuhan 430064, China; (W.C.); (H.Z.); (X.C.); (J.Y.); (X.P.); (L.P.); (J.L.)
| | - Ning Luan
- College of Fisheries, Huazhong Agricultural University, Wuhan 430070, China; (M.L.); (G.L.); (H.L.); (J.Z.); (W.Z.)
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Giommi C, Lombó M, Habibi HR, Rossi G, Basili D, Mangiaterra S, Ladisa C, Chemello G, Carnevali O, Maradonna F. The probiotic SLAB51 as agent to counteract BPA toxicity on zebrafish gut microbiota -liver-brain axis. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 912:169303. [PMID: 38135076 DOI: 10.1016/j.scitotenv.2023.169303] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/03/2023] [Revised: 12/05/2023] [Accepted: 12/10/2023] [Indexed: 12/24/2023]
Abstract
A plethora of studies have so far described the toxic effects of bisphenol A (BPA) on organism health, highlighting the urgent need to find new strategies not only to reduce the presence of this toxicant but also to counteract its adverse effects. In this context, probiotics emerged as a potential tool since they promote organism welfare. Using a multidisciplinary approach, this study explores the effects of SLAB51 dietary administration to counteract BPA toxicity using zebrafish as a model. Adult males and females were maintained under standard conditions (control group; C), exposed for 28 days via the water to an environmental relevant dose of BPA (10 μg/L; BPA), dietary treated with SLAB51 (109 CFU/g of body weight; P) and co-treated with BPA plus SLAB51 (BPA + P). In the gut, exposure to BPA resulted in altered architecture in both males and females, with females also experiencing an increase of pathogenic bacterial species. Co-administration of BPA + P led to the restoration of normal gut architecture, favored beneficial bacteria colonization, and decreased the abundance of pathogenic species. In the liver, male BPA exposure led to steatosis and glycogen depletion, which was partially mitigated by SLAB51 co-administration. In contrast, in females exposed to BPA, the lack of steatosis along with the greater glycogen depletion, suggested an increase in energy demand as supported by the metabolomic phenotype. The analysis of liver metabolites in BPA + P males revealed increased levels of anserine and reduced levels of glutamine, which could lie behind the counteraction of the brain histopathological damage caused by BPA. In BPA + P females, a reduction of retinoic acid was found in the liver, suggesting an increase in retinoids responsible for BPA detoxification. Overall, these results demonstrate that SLAB51 exerts its beneficial effects on the gut microbiota-brain-liver axis through distinct molecular pathways, effectively mitigating the pleiotropic toxicity of BPA.
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Affiliation(s)
- Christian Giommi
- Dipartimento Scienze della Vita e dell'Ambiente, Università Politecnica delle Marche, Via Brecce Bianche, 60131 Ancona, Italy; INBB - Consorzio Interuniversitario di Biosistemi e Biostrutture, 00136 Roma, Italy.
| | - Marta Lombó
- Dipartimento Scienze della Vita e dell'Ambiente, Università Politecnica delle Marche, Via Brecce Bianche, 60131 Ancona, Italy; INBB - Consorzio Interuniversitario di Biosistemi e Biostrutture, 00136 Roma, Italy; Department of Molecular Biology, Faculty of Biology and Environmental Sciences, Universidad de León, 24071 León, Spain.
| | - Hamid R Habibi
- Department of Biological Sciences, University of Calgary, Calgary, Alberta T2N 1N4, Canada.
| | - Giacomo Rossi
- School of Biosciences and Veterinary Medicine, University of Camerino, 62024 Matelica (MC), Italy.
| | - Danilo Basili
- Dipartimento Scienze della Vita e dell'Ambiente, Università Politecnica delle Marche, Via Brecce Bianche, 60131 Ancona, Italy
| | - Sara Mangiaterra
- School of Biosciences and Veterinary Medicine, University of Camerino, 62024 Matelica (MC), Italy.
| | - Claudia Ladisa
- Department of Biological Sciences, University of Calgary, Calgary, Alberta T2N 1N4, Canada.
| | - Giulia Chemello
- Dipartimento Scienze della Vita e dell'Ambiente, Università Politecnica delle Marche, Via Brecce Bianche, 60131 Ancona, Italy; INBB - Consorzio Interuniversitario di Biosistemi e Biostrutture, 00136 Roma, Italy.
| | - Oliana Carnevali
- Dipartimento Scienze della Vita e dell'Ambiente, Università Politecnica delle Marche, Via Brecce Bianche, 60131 Ancona, Italy; INBB - Consorzio Interuniversitario di Biosistemi e Biostrutture, 00136 Roma, Italy.
| | - Francesca Maradonna
- Dipartimento Scienze della Vita e dell'Ambiente, Università Politecnica delle Marche, Via Brecce Bianche, 60131 Ancona, Italy; INBB - Consorzio Interuniversitario di Biosistemi e Biostrutture, 00136 Roma, Italy.
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Luan N, Zuo J, Niu Q, Yan W, Hung TC, Liu H, Wu Q, Wang G, Deng P, Ma X, Qin J, Li G. Probiotic Lactobacillus rhamnosus alleviates the neurotoxicity of microcystin-LR in zebrafish (Danio rerio) through the gut-brain axis. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 908:168058. [PMID: 37914124 DOI: 10.1016/j.scitotenv.2023.168058] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/12/2023] [Revised: 10/13/2023] [Accepted: 10/21/2023] [Indexed: 11/03/2023]
Abstract
Microcystin-LR (MCLR) is one of the most toxic cyanobacterial toxins and is harmful to the central nervous system of fish. Probiotic additives can improve neuroendocrine function in fish. Although both MCLR and probiotics aim at the nervous system, whether they interact with each other and the mechanisms remain unexplored. In the present study, 4-month-old zebrafish were exposed to 0, 2.2, and 22 μg/L of MCLR for 28 days with or without the probiotic L. rhamnosus. We found that MCLR exposure could inhibit the swimming speed of zebrafish, while the presence of L. rhamnosus mitigated this abnormality. To elucidate the mechanism of how L. rhamnosus alleviates MCLR-induced neurotoxicity, we examined the bioaccumulation of MCLR, changes in neurotransmitters, immune biochemical indicators, and hormone content of the hypothalamic-pituitary-interrenal (HPI) axis in zebrafish along the gut-brain axis. Our results showed L. rhamnosus could reverse the abnormal swimming behavior and eventually alleviate neurotoxicity in zebrafish by modulating intestinal and brain neural signaling, neuroinflammation, and HPI axis responses. This study provides implications for the application of probiotics in the aquaculture industry.
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Affiliation(s)
- Ning Luan
- College of Fisheries, Huazhong Agricultural University, Wuhan 430070, China
| | - Junli Zuo
- College of Fisheries, Huazhong Agricultural University, Wuhan 430070, China
| | - Qianping Niu
- College of Fisheries, Huazhong Agricultural University, Wuhan 430070, China
| | - Wei Yan
- Institute of Quality Standard and Testing Technology for Agro-Products, Hubei Academy of Agricultural Sciences, Hubei Key Laboratory of Nutritional Quality and Safety of Agro-products, Wuhan 430064, Hubei, China
| | - Tien-Chieh Hung
- Department of Biological and Agricultural Engineering, University of California-Davis, Davis, CA 95616, USA
| | - Haoling Liu
- College of Fisheries, Huazhong Agricultural University, Wuhan 430070, China
| | - Qin Wu
- Hubei Key Laboratory of Edible Wild Plants Conservation and Utilization, Huangshi Key Laboratory of Lake Biodiversity and Environmental Conservation, Hubei Normal University, Huangshi, Hubei Province 435002, China
| | - Guoao Wang
- College of Fisheries, Huazhong Agricultural University, Wuhan 430070, China
| | - Ping Deng
- Study and practical demonstratiministryon on regime shifts and optimization of ecosystem after ecological restoration project 'turning fishpond to wetland' in Chenhu Lake, Wuhan Academy of Agricultural Sciences, Wuhan 430056, China
| | - Xufa Ma
- College of Fisheries, Huazhong Agricultural University, Wuhan 430070, China
| | - Jianhui Qin
- College of Fisheries, Huazhong Agricultural University, Wuhan 430070, China
| | - Guangyu Li
- College of Fisheries, Huazhong Agricultural University, Wuhan 430070, China.
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Gupta N, Abd EL-Gawaad N, Osman Abdallah SA, Al-Dossari M. Possible modulating functions of probiotic Lactiplantibacillus plantarum in particulate matter-associated pulmonary inflammation. Front Cell Infect Microbiol 2024; 13:1290914. [PMID: 38264731 PMCID: PMC10803600 DOI: 10.3389/fcimb.2023.1290914] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2023] [Accepted: 12/15/2023] [Indexed: 01/25/2024] Open
Abstract
Pulmonary disease represents a substantial global health burden. Increased air pollution, especially fine particulate matter (PM2.5) is the most concerned proportion of air pollutants to respiratory health. PM2.5 may carry or combine with other toxic allergens and heavy metals, resulting in serious respiratory allergies and anaphylactic reactions in the host. Available treatment options such as antihistamines, steroids, and avoiding allergens/dust/pollutants could be limited due to certain side effects and immense exposure to air pollutants, especially in most polluted countries. In this mini-review, we summarized how PM2.5 triggers respiratory hyperresponsiveness and inflammation, and the probiotic Lactiplantibacillus plantarum supplementation could minimize the risk of the same. L. plantarum may confer beneficial effects in PM2.5-associated pulmonary inflammation due to significant antioxidant potential. We discussed L. plantarum's effect on PM2.5-induced reactive oxygen species (ROS), inflammatory cytokines, lipid peroxidation, and DNA damage. Available preclinical evidence shows L. plantarum induces gut-lung axis, SCFA, GABA, and other neurotransmitter signaling via gut microbiota modulation. SCFA signals are important in maintaining lung homeostasis and regulating intracellular defense mechanisms in alveolar cells. However, significant research is needed in this direction to contemplate L. plantarum's therapeutic potential in pulmonary allergies.
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Affiliation(s)
- Nishant Gupta
- Medical Research and Development, River Engineering, Greater Noida, India
| | - N.S. Abd EL-Gawaad
- Department of Physics, Faculty of Science, King Khalid University, Abha, Saudi Arabia
| | | | - M. Al-Dossari
- Department of Physics, Faculty of Science, King Khalid University, Abha, Saudi Arabia
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5
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Lin W, Li K, Qin Y, Han X, Chen X, Ren Y. Flunitrazepam induces neurotoxicity in zebrafish through microbiota-gut-brain axis. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 901:165974. [PMID: 37532048 DOI: 10.1016/j.scitotenv.2023.165974] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/26/2023] [Revised: 07/02/2023] [Accepted: 07/30/2023] [Indexed: 08/04/2023]
Abstract
The abuse of psychoactive substances has led to their frequent detection in the environment, with unknown effects on the nervous system. In this study, zebrafish were exposed to benzodiazepine drug flunitrazepam (FLZ, 0.2 and 5 μg/L) for 30 days to assess its neurotoxicity. Results revealed that FLZ disrupted the balance of gut microbiota and caused an increase in pathogenic bacteria, such as Paracoccus and Aeromonas, leading to pathological damage to the intestine. The upregulation of intestinal pro-inflammatory factors, IL-1β and TNF-α, by 2.4 and 6.3 times, respectively, along with the downregulation of tight junction proteins, Occludin and zonula occludens 1 (ZO-1), by 80 % and 50 %, increased in intestinal permeability. Moreover, untargeted metabolomics demonstrated that FLZ interfered with intestinal nucleotide metabolism and amino acid biosynthesis. FLZ could also increase the levels of lipopolysaccharide (LPS) and malondialdehyde (MDA) in the brain by 0.9 and 3.4 times, respectively, leading to pathological changes in brain tissue. Furthermore, FLZ significantly disturbed nucleotide metabolism and amino acid biosynthesis and metabolism pathways in the brain. Correlation analysis between gut microbiota and neurochemicals confirmed that FLZ can induce neurotoxicity through the microbiota-gut-brain axis. These findings elucidate the molecular mechanisms of psychoactive drugs on microbiota-gut-brain axis and provide a theoretical basis for the ecological environmental risk assessment of various psychoactive substances.
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Affiliation(s)
- Wenting Lin
- School of Environment and Energy, South China University of Technology, Guangzhou 510006, PR China
| | - Kan Li
- National Anti-Drug Laboratory Guangdong Regional Center, Guangzhou 510230, PR China; Anti-Drug Technology Center of Guangdong Province, Guangzhou 510230, PR China
| | - Yingjun Qin
- School of Environment and Energy, South China University of Technology, Guangzhou 510006, PR China
| | - Xing Han
- National Anti-Drug Laboratory Guangdong Regional Center, Guangzhou 510230, PR China; Anti-Drug Technology Center of Guangdong Province, Guangzhou 510230, PR China
| | - Xiaohui Chen
- School of Medicine, South China University of Technology, Guangzhou 510006, PR China
| | - Yuan Ren
- School of Environment and Energy, South China University of Technology, Guangzhou 510006, PR China; The Key Lab of Pollution Control and Ecosystem Restoration in Industry Clusters, Ministry of Education, Guangzhou 510006, PR China; The Key Laboratory of Environmental Protection and Eco-Remediation of Guangdong Regular Higher Education Institutions, Guangzhou 510006, PR China.
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6
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Lee Y, Nguyen TL, Roh H, Kim A, Park J, Lee JY, Kang YR, Kang H, Sohn MY, Park CI, Kim DH. Mechanisms underlying probiotic effects on neurotransmission and stress resilience in fish via transcriptomic profiling. FISH & SHELLFISH IMMUNOLOGY 2023; 141:109063. [PMID: 37678478 DOI: 10.1016/j.fsi.2023.109063] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/05/2023] [Revised: 09/03/2023] [Accepted: 09/04/2023] [Indexed: 09/09/2023]
Abstract
In recent years, studies have highlighted the significant impact of probiotic treatment on the central nervous system (brain) and stress regulation through the microbiota-gut-brain axis, yet there have been limited knowledge on this axis in fish. Therefore, this study aimed to enhance the current understanding of the mechanisms underlying probiotic effects on neurotransmission and stress alleviation in fish through transcriptomic profiling. In this study, olive flounders (Paralichthys olivaceus) were subjected to two trial setups: a 1-month lab-scale trial and a 6-month field-scale trial, with and without the probiotic strain Lactococcus lactis WFLU12. RNA-Seq analysis was performed using liver samples collected from fish at one-month post-feeding (mpf) in both trials. Additionally, fish growth was monitored monthly, and serological parameters were measured at one mpf in the field-scale experiment. The results of the lab-scale trial showed that probiotic administration significantly upregulated genes related to neurotransmission, such as htr3a, mao, ddc, ntsr1, and gfra2. These findings highlight the impact of probiotics on modulating neurotransmission via the microbiota-gut-brain axis. In the field-scale experiment, fish growth was significantly promoted and the sera levels of AST, LDH, and cortisol were significantly higher in the control group compared to the probiotics group. Furthermore, genes involved in stress responses (e.g. hsp70, hsp90B1, hspE1, prdx1, and gss) and transcriptional regulators (e.g. fos, dusp1, and dusp2) exhibited significant upregulation in the control group compared to the probiotics group, indicating that probiotic administration can alleviate stress levels in fish. Overall, this study provides valuable insights into the mechanisms underlying the beneficial effects of probiotics in fish, specifically regarding their impact on neurotransmission and stress alleviation.
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Affiliation(s)
- Yoonhang Lee
- Department of Aquatic Life Medicine, College of Fisheries Sciences, Pukyong National University, Busan, South Korea
| | - Thanh Luan Nguyen
- Department of Science and Technology, HUTECH University, Ho Chi Minh City, Viet Nam
| | - HyeongJin Roh
- Department of Aquatic Life Medicine, College of Fisheries Sciences, Pukyong National University, Busan, South Korea
| | - Ahran Kim
- Department of Aquatic Life Medicine, College of Fisheries Sciences, Pukyong National University, Busan, South Korea
| | - Jiyeon Park
- Department of Aquatic Life Medicine, College of Fisheries Sciences, Pukyong National University, Busan, South Korea
| | - Ju-Yeop Lee
- Department of Aquatic Life Medicine, College of Fisheries Sciences, Pukyong National University, Busan, South Korea
| | - Yu-Ra Kang
- Department of Aquatic Life Medicine, College of Fisheries Sciences, Pukyong National University, Busan, South Korea
| | - Hyoyeong Kang
- Department of Aquatic Life Medicine, College of Fisheries Sciences, Pukyong National University, Busan, South Korea
| | - Min-Young Sohn
- Department of Marine Biology and Aquaculture, College of Marine Science, Gyeongsang National University, Tongyeong, South Korea
| | - Chan-Il Park
- Department of Marine Biology and Aquaculture, College of Marine Science, Gyeongsang National University, Tongyeong, South Korea
| | - Do-Hyung Kim
- Department of Aquatic Life Medicine, College of Fisheries Sciences, Pukyong National University, Busan, South Korea.
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Wang W, Zhang H, Wei L, Ma Y, Jiang H, Yuen CNT, Zhang J, Wu H, Shu Y. Microcystin-leucine arginine causes brain injury and functional disorder in Lithobates catesbeianus tadpoles by oxidative stress and inflammation. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2023; 258:106509. [PMID: 36989925 DOI: 10.1016/j.aquatox.2023.106509] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/08/2022] [Revised: 03/22/2023] [Accepted: 03/23/2023] [Indexed: 06/19/2023]
Abstract
Microcystin-leucine arginine (MC-LR) is a toxin commonly found in eutrophic waters worldwide, but its potential effects on amphibian brain toxicity and exposure mechanisms are unclear. In this study, Lithobates catesbeianus tadpoles were exposed to MC-LR for 30 days at realistic ambient concentrations (0, 0.5, and 2 µg/L) to reveal its effects on brain health. The MC-LR bioaccumulation in the brain increased in dependence on the concentration of MC-LR exposure. Exposure to 0.5 and 2 µg/L MC-LR resulted in a significant down-regulation of the expression of structural components of the blood-brain barrier (CLDN1), while the expression of genes associated with inflammation (NLRP3, TNF, IL-1β, and CXCL12) was significantly up-regulated with increased number of eosinophils. In the hippocampal and hypothalamic regions, the number of vacuolated neuropils increased with increasing MC-LR exposure concentration, while the expression of genes associated with neuronal development (LGALS1, CACNA2D2, and NLGN4X) and neurotransmitter transmission (SLC6A13 and AChE) was significantly down-regulated. Moreover, the levels of neurotransmitters (5-HT, glutamate, GABA, and ACh) were significantly reduced. These results provide strong evidence that MC-LR exposure at realistic ambient concentrations of 0.5 and 2 µg/L can break the blood-brain barrier and raise the accumulation of MC-LR in the brain tissue, causing structural damage and functional disorder to brain neurons. Further, based on transcriptomic and biochemical analysis, it was revealed that MC-LR exposure induces DNA damage through oxidative stress and may be an important pathway causing brain structural damage and functional disorder. Overall, this study demonstrates the significant effects of MC-LR on the brain tissue of amphibians, highlighting the sensitivity of amphibians to MC-LR.
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Affiliation(s)
- Wenchao Wang
- Collaborative Innovation Center of Recovery and Reconstruction of Degraded Ecosystem in Wanjiang Basin Co-founded by Anhui Province and Ministry of Education, School of Ecology and Environment, Anhui Normal University, Wuhu 241002, China
| | - Huijuan Zhang
- Collaborative Innovation Center of Recovery and Reconstruction of Degraded Ecosystem in Wanjiang Basin Co-founded by Anhui Province and Ministry of Education, School of Ecology and Environment, Anhui Normal University, Wuhu 241002, China
| | - Luting Wei
- Collaborative Innovation Center of Recovery and Reconstruction of Degraded Ecosystem in Wanjiang Basin Co-founded by Anhui Province and Ministry of Education, School of Ecology and Environment, Anhui Normal University, Wuhu 241002, China
| | - Yi Ma
- Collaborative Innovation Center of Recovery and Reconstruction of Degraded Ecosystem in Wanjiang Basin Co-founded by Anhui Province and Ministry of Education, School of Ecology and Environment, Anhui Normal University, Wuhu 241002, China
| | - Huiling Jiang
- Collaborative Innovation Center of Recovery and Reconstruction of Degraded Ecosystem in Wanjiang Basin Co-founded by Anhui Province and Ministry of Education, School of Ecology and Environment, Anhui Normal University, Wuhu 241002, China
| | - Calista N T Yuen
- State Key Laboratory in Marine Pollution Department of Chemistry, City University of Hong Kong, Hong Kong, China
| | - Jihui Zhang
- School of Food Science and Biology Engineering, Wuhu Institute of Technology, Wuhu, Anhui 241000, China
| | - Hailong Wu
- Collaborative Innovation Center of Recovery and Reconstruction of Degraded Ecosystem in Wanjiang Basin Co-founded by Anhui Province and Ministry of Education, School of Ecology and Environment, Anhui Normal University, Wuhu 241002, China.
| | - Yilin Shu
- Collaborative Innovation Center of Recovery and Reconstruction of Degraded Ecosystem in Wanjiang Basin Co-founded by Anhui Province and Ministry of Education, School of Ecology and Environment, Anhui Normal University, Wuhu 241002, China.
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8
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Yang Q, Deng P, Xing D, Liu H, Shi F, Hu L, Zou X, Nie H, Zuo J, Zhuang Z, Pan M, Chen J, Li G. Developmental Neurotoxicity of Difenoconazole in Zebrafish Embryos. TOXICS 2023; 11:353. [PMID: 37112580 PMCID: PMC10142703 DOI: 10.3390/toxics11040353] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/09/2023] [Revised: 04/02/2023] [Accepted: 04/06/2023] [Indexed: 06/19/2023]
Abstract
Difenoconazole is a type of triazole fungicide that is widely used in the treatment of plant diseases. Triazole fungicides have been shown in several studies to impair the development of the nervous system in zebrafish embryos. There is still little known about difenoconazole-induced neurotoxicity in fish. In this study, zebrafish embryos were exposed to 0.25, 0.5, and 1 mg/L of difenoconazole solution until 120 h post-fertilization (hpf). The difenoconazole-exposed groups showed concentration-dependent inhibitory tendencies in heart rate and body length. Malformation rate and spontaneous movement of zebrafish embryos increased, and the locomotor activity decreased in the highest exposure group. The content of dopamine and acetylcholine was reduced significantly in difenoconazole treatment groups. The activity of acetylcholinesterase (AChE) was also increased after treatment with difenoconazole. Furthermore, the expression of genes involved in neurodevelopment was remarkably altered, which corresponded with the alterations of neurotransmitter content and AChE activity. These results indicated that difenoconazole might affect the development of the nervous system through influencing neurotransmitter levels, enzyme activity, and the expression of neural-related genes, ultimately leading to abnormal locomotor activity in the early stages of zebrafish.
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Affiliation(s)
- Qing Yang
- Institute of Hydroecology, Ministry of Water Resources & Chinese Academy of Sciences, Wuhan 430079, China
| | - Ping Deng
- Wuhan Academy of Agricultural Sciences, Wuhan 430072, China
| | - Dan Xing
- Dadu River Hydropower Development Co., Ltd., Chengdu 610016, China
| | - Haoling Liu
- College of Fisheries, Huazhong Agricultural University, Wuhan 430070, China
| | - Fang Shi
- Institute of Hydroecology, Ministry of Water Resources & Chinese Academy of Sciences, Wuhan 430079, China
| | - Lian Hu
- Institute of Hydroecology, Ministry of Water Resources & Chinese Academy of Sciences, Wuhan 430079, China
| | - Xi Zou
- Institute of Hydroecology, Ministry of Water Resources & Chinese Academy of Sciences, Wuhan 430079, China
| | - Hongyan Nie
- College of Fisheries, Huazhong Agricultural University, Wuhan 430070, China
| | - Junli Zuo
- College of Fisheries, Huazhong Agricultural University, Wuhan 430070, China
| | - Zimeng Zhuang
- College of Fisheries, Huazhong Agricultural University, Wuhan 430070, China
| | - Meiqi Pan
- College of Fisheries, Huazhong Agricultural University, Wuhan 430070, China
| | - Juan Chen
- College of Fisheries, Huazhong Agricultural University, Wuhan 430070, China
- Changsha Xinjia Bio-Engineering Co., Ltd., Changsha 410000, China
| | - Guangyu Li
- College of Fisheries, Huazhong Agricultural University, Wuhan 430070, China
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9
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Tian D, Shi W, Yu Y, Zhou W, Tang Y, Zhang W, Huang L, Han Y, Liu G. Enrofloxacin exposure induces anxiety-like behavioral responses in zebrafish by affecting the microbiota-gut-brain axis. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 858:160094. [PMID: 36372168 DOI: 10.1016/j.scitotenv.2022.160094] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/30/2022] [Revised: 10/05/2022] [Accepted: 11/05/2022] [Indexed: 06/16/2023]
Abstract
The ubiquitous presence of antibiotic residues in aqueous environments poses a great potential threat to aquatic organisms. Nevertheless, the behavioral effects of environmentally realistic levels of antibiotics remain poorly understood in fish species. In this study, the behavioral impacts of enrofloxacin, one of typical fluoroquinolone antibiotics that is frequently detected in aquatic environments, were evaluated by the classic light-dark test (LDT) and novel tank task (NTT) in zebrafish. Furthermore, the effects of enrofloxacin exposure on the microbiota-gut-brain axis were also assessed to reveal potential affecting mechanisms underlying the behavioral abnormality observed. Our results demonstrated that zebrafish exposed to 60 μg/L enrofloxacin for 28 days took significantly longer to enter the stressful area of the testing tank and spent significantly less time there in both the LDT and NTT, indicating abnormal anxiety-like behaviors induced by the exposure. In addition, exposure to enrofloxacin at 6 and 60 μg/L resulted in a significant elevation in Bacteroidetes and a marked decline in the Firmicutes/Bacteroidetes ratio of the gut microbiota. Moreover, the intestinal contents of interleukin 6 (IL-6), tumor necrosis factor-alpha (TNF-α), glucagon-like peptide 1 (GLP-1), and 5-hydroxytryptamine (5-HT) in zebrafish were significantly upregulated, whereas those of plasma adrenocorticotropic hormone (ACTH) and cortisol (COR) were markedly downregulated upon enrofloxacin exposure. Incubation of zebrafish with a high dose of enrofloxacin (60 μg/L) also resulted in evident increases in the contents of corticotropin-releasing hormone (CRH), brain-derived neurotrophic factor (BDNF), and neuropeptide Y (NPY) in the brain. Fortunately, no significant alteration in the expression of glial fibrillary acidic protein (GFAP) was detected in the brain after enrofloxacin exposure. Our findings suggest that the disruption of the microbiota-gut-brain axis may account for enrofloxacin-induced anxiety-like behaviors in zebrafish. Since the disruption of microbiota-gut-brain axis may give rise to various clinical symptoms, the health risk of antibiotic exposure deserves more attention.
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Affiliation(s)
- Dandan Tian
- College of Animal Sciences, Zhejiang University, Hangzhou 310058, China
| | - Wei Shi
- College of Animal Sciences, Zhejiang University, Hangzhou 310058, China
| | - Yihan Yu
- College of Animal Sciences, Zhejiang University, Hangzhou 310058, China
| | - Weishang Zhou
- College of Animal Sciences, Zhejiang University, Hangzhou 310058, China
| | - Yu Tang
- College of Animal Sciences, Zhejiang University, Hangzhou 310058, China
| | - Weixia Zhang
- College of Animal Sciences, Zhejiang University, Hangzhou 310058, China
| | - Lin Huang
- College of Animal Sciences, Zhejiang University, Hangzhou 310058, China
| | - Yu Han
- College of Animal Sciences, Zhejiang University, Hangzhou 310058, China
| | - Guangxu Liu
- College of Animal Sciences, Zhejiang University, Hangzhou 310058, China.
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10
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Probiotic cultures as a potential protective strategy against the toxicity of environmentally relevant chemicals: State-of-the-art knowledge. Food Chem Toxicol 2023; 172:113582. [PMID: 36581092 DOI: 10.1016/j.fct.2022.113582] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2022] [Revised: 12/05/2022] [Accepted: 12/20/2022] [Indexed: 12/27/2022]
Abstract
Environmentally relevant toxic substances may affect human health, provoking numerous harmful effects on central nervous, respiratory, cardiovascular, endocrine and reproductive system, and even cause various types of carcinoma. These substances, to which general population is constantly and simultaneously exposed, enter human body via food and water, but also by inhalation and dermal contact, while accumulating evidence suggests that probiotic cultures are able to efficiently adsorb and/or degrade them. Cell wall of probiotic bacteria/fungi, which contains structures such as exopolysaccharide, teichoic acid, protein and peptidoglycan components, is considered the main place of toxic substances adsorption. Moreover, probiotics are able to induce metabolism and degradation of various toxic substances, making them less toxic and more suitable for elimination. Other probable in vivo protective effects have also been suggested, including decreased intestinal absorption and increased excretion of toxic substances, prevented gut microbial dysbiosis, increase in the intestinal mucus secretion, decreased production of reactive oxygen species, reduction of inflammation, etc. Having all of this in mind, this review aims to summarize the state-of-the-art knowledge regarding the potential protective effects of different probiotic strains against environmentally relevant toxic substances (mycotoxins, polycyclic aromatic hydrocarbons, pesticides, perfluoroalkyl and polyfluoroalkyl substances, phthalates, bisphenol A and toxic metals).
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11
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Zhang T, Zhao S, Dong F, Jia Y, Chen X, Sun Y, Zhu L. Novel Insight into the Mechanisms of Neurotoxicity Induced by 6:6 PFPiA through Disturbing the Gut-Brain Axis. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2023; 57:1028-1038. [PMID: 36594808 DOI: 10.1021/acs.est.2c04765] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
As alternatives to traditional per- and polyfluoroalkyl substances, perfluoroalkyl phosphonic acids (PFPiAs) are frequently detected in aquatic environments, but the neurotoxic effects and underlying mechanisms remain unclear. In this study, male zebrafish were exposed to 6:6 PFPiA (1 and 10 nM) for 28 days, which exhibited anxiety-like symptoms. Gut microbiome results indicated that 6:6 PFPiA significantly increased the abundance of Gram-negative bacteria, leading to enhanced levels of lipopolysaccharide (LPS) and inflammation in the gut. The LPS was delivered to the brain through the gut-brain axis (GBA), damaged the blood-brain barrier (BBB), stimulated neuroinflammation, and caused apoptosis as well as neural injury in the brain. This mechanism was verified by the fact that antibiotics reduced the LPS levels in the gut and brain, accompanied by reduced inflammatory responses and anxiety-like behavior. The BBB damage also resulted in the enhanced accumulation of 6:6 PFPiA in the brain, where it might bind strongly with and activate aryl hydrocarbon receptor (AhR) to induce brain inflammation directly. Additionally, as the fish received treatment with an inhibitor of AhR, the inflammation response and anxiety-like behavior decreased distinctly. This study sheds light on the new mechanisms of neurotoxicity-induced 6:6 PFPiA due to the interruption on GBA.
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Affiliation(s)
- Tianxu Zhang
- Key Laboratory of Pollution Processes and Environmental Criteria, Ministry of Education, Tianjin Key Laboratory of Environmental Remediation and Pollution Control, College of Environmental Science and Engineering, Nankai University, Tianjin 300350, P.R. China
| | - Sujuan Zhao
- Key Laboratory of Pollution Processes and Environmental Criteria, Ministry of Education, Tianjin Key Laboratory of Environmental Remediation and Pollution Control, College of Environmental Science and Engineering, Nankai University, Tianjin 300350, P.R. China
- School of Public Health, Anhui Medical University, Hefei 230032, P.R. China
| | - Fengfeng Dong
- Key Laboratory of Pollution Processes and Environmental Criteria, Ministry of Education, Tianjin Key Laboratory of Environmental Remediation and Pollution Control, College of Environmental Science and Engineering, Nankai University, Tianjin 300350, P.R. China
| | - Yibo Jia
- Key Laboratory of Pollution Processes and Environmental Criteria, Ministry of Education, Tianjin Key Laboratory of Environmental Remediation and Pollution Control, College of Environmental Science and Engineering, Nankai University, Tianjin 300350, P.R. China
| | - Xin Chen
- Key Laboratory of Pollution Processes and Environmental Criteria, Ministry of Education, Tianjin Key Laboratory of Environmental Remediation and Pollution Control, College of Environmental Science and Engineering, Nankai University, Tianjin 300350, P.R. China
| | - Yumeng Sun
- Key Laboratory of Pollution Processes and Environmental Criteria, Ministry of Education, Tianjin Key Laboratory of Environmental Remediation and Pollution Control, College of Environmental Science and Engineering, Nankai University, Tianjin 300350, P.R. China
| | - Lingyan Zhu
- Key Laboratory of Pollution Processes and Environmental Criteria, Ministry of Education, Tianjin Key Laboratory of Environmental Remediation and Pollution Control, College of Environmental Science and Engineering, Nankai University, Tianjin 300350, P.R. China
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12
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Lin W, Huang Z, Zhang W, Ren Y. Investigating the neurotoxicity of environmental pollutants using zebrafish as a model organism: A review and recommendations for future work. Neurotoxicology 2023; 94:235-244. [PMID: 36581008 DOI: 10.1016/j.neuro.2022.12.009] [Citation(s) in RCA: 13] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2022] [Revised: 12/05/2022] [Accepted: 12/26/2022] [Indexed: 12/27/2022]
Abstract
With the continuous development of precise detection technology, more and more pollutants have been detected in the environment. Among them, neurotoxic pollutants have attracted extensive attention due to their serious threat to vertebrates, invertebrates, and the whole ecosystem. Compared with other model organisms, zebrafish (Danio rerio) have become an important aquatic model to study the neurotoxicity of environmental pollutants because of their excellent molecular/physiological characteristics. At present, the research on the toxicity of environmental pollutants to the zebrafish nervous system focuses on morphology and behavior regulation, oxidative stress, gene expression, synthesis and release of neurotransmitters, and neuron development. However, studies on epigenetic toxicity, blood-brain barrier damage, and regulation of the brain-gut-microbiota axis still require further research at the molecular and signaling levels to clarify the toxic mechanisms of pollutants. This paper reviews the research on the toxic effects of pollutants in the environment (heavy metals and organic compounds) on the nervous system of zebrafish, summarizes and comments on the main research findings. The discussion of the problems, hot spots in the current research, and the prospects of the contents to be further studied are also included in this paper.
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Affiliation(s)
- Wenting Lin
- School of Environment and Energy, South China University of Technology, Guangzhou 510006, China
| | - Zhishan Huang
- School of Environment and Energy, South China University of Technology, Guangzhou 510006, China
| | - Wenqing Zhang
- Division of Cell, Developmental and Integrative Biology, School of Medicine, South China University of Technology, Guangzhou 510006, China
| | - Yuan Ren
- School of Environment and Energy, South China University of Technology, Guangzhou 510006, China; The Key Lab of Pollution Control and Ecosystem Restoration in Industry Clusters, Ministry of Education, China; The Key Laboratory of Environmental Protection and Eco-Remediation of Guangdong Regular Higher Education Institutions, China.
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13
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Gong H, Du J, Xu J, Yang Y, Lu H, Xiao H. Perfluorononanoate and Perfluorobutane Sulfonate Induce Cardiotoxic Effects in Zebrafish. ENVIRONMENTAL TOXICOLOGY AND CHEMISTRY 2022; 41:2527-2536. [PMID: 35899994 PMCID: PMC9804353 DOI: 10.1002/etc.5447] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/31/2022] [Revised: 05/04/2022] [Accepted: 07/22/2022] [Indexed: 05/14/2023]
Abstract
Globally, per- and polyfluoroalkyl substances are common artificial ingredients in industrial and consumer products. Recently, they have been shown to be an emerging human health risk. Perfluorononanoic acid (PFNA)/perfluorononanoate and perfluorobutane sulfonic acid (PFBS)/perfluorobutane sulfonate cause reproductive toxicity and hepatotoxicity, disrupt thyroid functions, and damage embryonic development in zebrafish. However, the cardiotoxic effects of PFNA and PFBS have not been fully established. We found that PFNA and PFBS exposures repress hatchability while increasing malformation and mortality in zebrafish embryos. Hematoxylin and eosin staining as well as assessment of the transgenic zebrafish line Tg(myl7:nDsRed) revealed that exposure of embryos to PFNA increases the occurrence of severe cardiac malformations relative to exposure to PFBS. Moreover, we evaluated the differential expressions of cardiac development-associated genes in response to PFNA and PFBS, which validated the potential cardiotoxic effects, consistent with cardiac dysfunctions. Overall, our findings reveal novel cardiotoxic effects of PFNA and PFBS in zebrafish, implying that they may exert some cardiotoxic effect in humans. To the best of our knowledge, ours is the first study to show that PFNA exerts more severe cardiotoxic effects in zebrafish when compared with PFBS. Based on these findings, studies should evaluate the mechanisms of their cardiotoxic effects. Environ Toxicol Chem 2022;41:2527-2536. © 2022 The Authors. Environmental Toxicology and Chemistry published by Wiley Periodicals LLC on behalf of SETAC.
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Affiliation(s)
- Hongjian Gong
- Clinical Research Center, Wuhan Children's Hospital (Wuhan Medical and Health Center for Women and Children), Tongji Medical CollegeHuazhong University of Science & TechnologyWuhanHubeiPeople's Republic of China
| | - Juan Du
- Clinical Research Center, Wuhan Children's Hospital (Wuhan Medical and Health Center for Women and Children), Tongji Medical CollegeHuazhong University of Science & TechnologyWuhanHubeiPeople's Republic of China
| | - Jia Xu
- Clinical Research Center, Wuhan Children's Hospital (Wuhan Medical and Health Center for Women and Children), Tongji Medical CollegeHuazhong University of Science & TechnologyWuhanHubeiPeople's Republic of China
| | - Yuan Yang
- Clinical Research Center, Wuhan Children's Hospital (Wuhan Medical and Health Center for Women and Children), Tongji Medical CollegeHuazhong University of Science & TechnologyWuhanHubeiPeople's Republic of China
| | - Hui Lu
- Clinical Research Center, Wuhan Children's Hospital (Wuhan Medical and Health Center for Women and Children), Tongji Medical CollegeHuazhong University of Science & TechnologyWuhanHubeiPeople's Republic of China
| | - Han Xiao
- Clinical Research Center, Wuhan Children's Hospital (Wuhan Medical and Health Center for Women and Children), Tongji Medical CollegeHuazhong University of Science & TechnologyWuhanHubeiPeople's Republic of China
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14
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Hu C, Li J, Liu M, Lam PKS, Chen L. Young fecal transplantation modulates the visual toxicity of perfluorobutanesulfonate in aged zebrafish recipients. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2022; 251:106295. [PMID: 36103760 DOI: 10.1016/j.aquatox.2022.106295] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/02/2022] [Revised: 09/06/2022] [Accepted: 09/08/2022] [Indexed: 06/15/2023]
Abstract
Perfluorobutanesulfonate (PFBS) is an emerging pollutant of potent toxicity to impair visual system. Previous studies highlighted the applicability of gut microbiota manipulation to mitigate the toxicities of PFBS. However, it remains unknown whether transplantation of whole fecal microbiota to PFBS-disturbed gut can restore the health of the recipient animals, especially for aged fish that are of high susceptibility. In the present study, aged zebrafish of 3 years old were first transplanted with feces from young counterparts and then exposed to environmentally relevant concentrations of PFBS. After exposure, toxic effects of PFBS on visual system of aged zebrafish were elucidated based on transcriptional, proteomic, biochemical, histological, and behavioral evidences. In addition, interaction between young fecal transplant and innate visual toxicity of PFBS was further explored in the aged. The results showed that PFBS singular exposure induced lipid peroxidation (by 1.9-fold) in aged male eyes, which were alleviated by young fecal transplantation. PFBS also disturbed the retinal structure of the aged, which was characterized by increases in plexiform layers, but decreases in ganglion neuron number (by 26.8% and 26.0% in males and females, respectively) and optic nerve width (by 14.1% and 12.7% in males and females, respectively). It was unexpected that young fecal transplant was very potent in re-organizing the histological assembly of aged eyes regardless of PFBS coexposure, underlining the intimate interplay between gut and retina. Proteomic profiling provided more clues about the visual toxicology mechanism of PFBS, which was found to typically interfere with synaptic neurotransmission occurring in plexiform layers. However, proteome perturbation of aged eyes by PFBS exposure was effectively shifted by the transplantation of young feces towards the control phenotype, suggesting the high ameliorative potential of young fecal transplantation along the gut-retina axis. Overall, the present study pinpoints the potent visual toxicity of PFBS in aged animals and highlights the efficacy of young fecal transplant to regulate the inherent toxicity of PFBS. Future studies are necessitated to sequence the gut microbiota and unveil the underlying interactive routes between gut microbes and visual system.
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Affiliation(s)
- Chenyan Hu
- School of Chemistry and Environmental Engineering, Wuhan Institute of Technology, Wuhan 430072, China
| | - Jing Li
- State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan 430072, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Mengyuan Liu
- State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan 430072, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Paul K S Lam
- Office of the President, Hong Kong Metropolitan University, 30 Good Shepherd Street, Kowloon, China Hong Kong Special Administrative Region
| | - Lianguo Chen
- State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan 430072, China.
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15
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Otero-Sabio C, Giacomello M, Centelleghe C, Caicci F, Bonato M, Venerando A, Graïc JM, Mazzariol S, Finos L, Corain L, Peruffo A. Cell cycle alterations due to perfluoroalkyl substances PFOS, PFOA, PFBS, PFBA and the new PFAS C6O4 on bottlenose dolphin (Tursiops truncatus) skin cell. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2022; 244:113980. [PMID: 36057203 DOI: 10.1016/j.ecoenv.2022.113980] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/15/2022] [Revised: 08/12/2022] [Accepted: 08/13/2022] [Indexed: 06/15/2023]
Abstract
Per- and polyfluoroalkyl substances (PFAS) have become ubiquitous environmental contaminants in aquatic ecosystems worldwide. Marine mammals, as top predators, are constantly exposed to several PFAS compounds that accumulate in different tissues. As a proxy to assess cytotoxicity of PFAS in the bottlenose dolphin (Tursiops truncatus), we generated a new immortalized cell line derived from skin samples of bottlenose dolphin. Using high content imaging, we assessed the effects of increasing concentrations of PFOS, PFOA, PFBS, PFBA and C6O4 on cell viability and cell cycle phases. In particular, we classified all cells based on multiple morphometric differences of the nucleus in three populations, named respectively "Normal" (nuclei in G0, S and M phase); "Large" (nuclei showing characteristics of senescence) and "Small" (nuclei with fragmentation and condensed chromatin). Combining this approach with cell cycle analysis we determined which phases of the cell cycle were influenced by PFAS. The results revealed that the presence of PFOS, PFBS and PFBA could increase the number of cells in G0+G1 phase and decrease the number of those in the S phase. Moreover, PFOS and PFBS lowered the fraction of cells in the M phase. Interestingly PFOS, PFBS and PFBA reduced the prevalence of the senescence phenotype ("large" nuclei), suggesting a potential tumorigenic effect. Besides, the presence of PFOS and PFBS correlated also with a significant decrease in the number of "small" nuclei. The C6O4 exposure did not highlighted morphometric alteration or cell cycle modification bottlenose dolphin skin cell nuclei. While the effects of PFAS on cell cycle was clear, no significant change was detected either in term of cell proliferation or of viability. This study fosters the overall knowledge on the cellular effects of perfluoroalkyl substances in marine mammals.
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Affiliation(s)
- Cristina Otero-Sabio
- Department of Comparative Biomedicine and Food Science, University of Padova, Legnaro, PD, Italy
| | | | - Cinzia Centelleghe
- Department of Comparative Biomedicine and Food Science, University of Padova, Legnaro, PD, Italy.
| | | | - Marco Bonato
- Department of Biology, University of Padua, Padua, Italy
| | - Andrea Venerando
- Department of Comparative Biomedicine and Food Science, University of Padova, Legnaro, PD, Italy
| | - Jean-Marie Graïc
- Department of Comparative Biomedicine and Food Science, University of Padova, Legnaro, PD, Italy
| | - Sandro Mazzariol
- Department of Comparative Biomedicine and Food Science, University of Padova, Legnaro, PD, Italy
| | - Livio Finos
- Department of Developmental Psychology and Socialization, University of Padua, Padua, Italy
| | - Livio Corain
- Department of Management and Engineering, University of Padova, Vicenza, VI, Italy
| | - Antonella Peruffo
- Department of Comparative Biomedicine and Food Science, University of Padova, Legnaro, PD, Italy
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16
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Banaee M, Sureda A, Faggio C. Protective effect of protexin concentrate in reducing the toxicity of chlorpyrifos in common carp (Cyprinus carpio). ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY 2022; 94:103918. [PMID: 35753671 DOI: 10.1016/j.etap.2022.103918] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/01/2022] [Revised: 05/06/2022] [Accepted: 06/21/2022] [Indexed: 06/15/2023]
Abstract
The present study aimed to evaluate the protective effect of protexin supplementation against chlorpyrifos-induced oxidative stress and immunotoxicity in Cyprinus carpio. After 21 days, the activity of superoxide dismutase (SOD), glutathione peroxidase (GPx) and glutathione reductase (GR), and total antioxidant levels significantly decreased in hepatocytes of fish exposed to chlorpyrifos, while malondialdehyde (MDA) increased. Treatment with protexin was able to reverse the decrease in SOD and GR and significantly reduce MDA levels. Exposure to chlorpyrifos also induced alterations in blood biochemical parameters and caused immunosuppression. Dietary protexin return some parameters (aspartate aminotransferase, lactate dehydrogenase, and γ-glutamyltransferase activities, and glucose, cholesterol, total protein, creatinine, and complement C4 levels) to values similar to those of the control group. Based on the results, it can be concluded that protexin exerted protective effects against chlorpyrifos exposure in C. carpio reducing oxidative damage, and ameriorating blood biochemical alterations and the immunosuppression.
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Affiliation(s)
- Mahdi Banaee
- Aquaculture Department, Faculty of Natural Resources and the Environment, Behbahan Khatam Alanbia University of Technology, Behbahan, Iran.
| | - Antoni Sureda
- Research Group on Community Nutrition and Oxidative Stress, Health Research Institute of the Balearic Islands (IdISBa), and CIBEROBN Fisiopatología de la Obesidad la Nutrición, University of Balearic Islands, 07122 Palma de Mallorca, Spain.
| | - Caterina Faggio
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Messina, Italy.
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17
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Chen M, Liu C, Dai M, Wang Q, Li C, Hung W. Bifidobacterium lactis BL-99 modulates intestinal inflammation and functions in zebrafish models. PLoS One 2022; 17:e0262942. [PMID: 35171916 PMCID: PMC9126502 DOI: 10.1371/journal.pone.0262942] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2021] [Accepted: 01/07/2022] [Indexed: 01/10/2023] Open
Abstract
This study was designed to explore the therapeutics and the mechanisms of a patented and marked gastric acid and intestine juice-resistant probiotics Bifidobacterium lactis BL-99 (B. lactis BL-99) on the intestinal inflammation and functions in the zebrafish models. After feeding for 6 hours, B. lactis BL-99 was fully retained in the larval zebrafish intestinal tract and stayed for over 24 hours. B. lactis BL-99 promoted the intestinal motility and effectively alleviated aluminum sulfate-induced larval zebrafish constipation (p < 0.01). Irregular high glucose diet induced adult zebrafish intestinal functional and metabolic disorders. After fed with B. lactis BL-99, IL-1β gene expression was significantly down-regulated, and IL-10 and IL-12 gene levels were markedly up-regulated in this model (p < 0.05). The intestinal lipase activity was elevated in the adult zebrafish intestinal functional disorder model after B. lactis BL-99 treatment (p < 0.05), but tryptase content had no statistical changes (p > 0.05). B. lactis BL-99 improved the histopathology of the adult zebrafish intestinal inflammation, increased the goblet cell numbers, and up-and-down metabolites were markedly recovered after treatment of B. lactis BL-99 (p < 0.05). These results suggest that B. lactis BL-99 could relieve intestinal inflammation and promote intestinal functions, at least in part, through modulating intestinal and microbial metabolism to maintain intestinal health.
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Affiliation(s)
- Meng Chen
- Inner Mongolia Dairy Technology Research Institute Co. Ltd., Hohhot,
China
- Yili Innovation Center, Inner Mongolia Yili Industrial Group Co., Ltd.,
Hohhot, China
| | - Chinfeng Liu
- Inner Mongolia Dairy Technology Research Institute Co. Ltd., Hohhot,
China
- Yili Innovation Center, Inner Mongolia Yili Industrial Group Co., Ltd.,
Hohhot, China
| | - Mingzhu Dai
- Hunter Biotechnology, Inc., F1A, Hangzhou, China
| | - Qinwen Wang
- Hunter Biotechnology, Inc., F1A, Hangzhou, China
| | - Chunqi Li
- Hunter Biotechnology, Inc., F1A, Hangzhou, China
| | - Weilian Hung
- Inner Mongolia Dairy Technology Research Institute Co. Ltd., Hohhot,
China
- Yili Innovation Center, Inner Mongolia Yili Industrial Group Co., Ltd.,
Hohhot, China
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18
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Zhang Y, Ji T, Jiang Y, Zheng C, Yang H, Liu Q. Long-term effects of three compound probiotics on water quality, growth performances, microbiota distributions and resistance to Aeromonas veronii in crucian carp Carassius auratus gibelio. FISH & SHELLFISH IMMUNOLOGY 2022; 120:233-241. [PMID: 34848306 DOI: 10.1016/j.fsi.2021.11.036] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/06/2021] [Revised: 11/24/2021] [Accepted: 11/25/2021] [Indexed: 06/13/2023]
Abstract
Probiotics could promote the healthy growth of aquatic animals and have been widely used in aquaculture. However, the influence of high concentration compound probiotics on the aquatic animals has not been reported. In the present study, a compound probiotics was used in high-density culture of crucian carps under the condition of micro-water exchange. During nearly 7-weeks feeding experiment, the aquaculture water quality, growth performances, disease resistance and microbiota distributions of crucian carps were tested. Under the high concentrations of compound probiotics, the content of total ammonia nitrogen and nitrite were finally in a state of dynamic equilibrium. The body length and weight of crucian carps in the experimental group (E) was significantly higher than that in the recirculating group (R). The antioxidant enzymes in the intestines and gills of the E group including SOD, CAT, GSH and MDA, were significantly higher than those in R group. The mortality of crucian carps in E group was significantly lower after the immersion infection of Aeromonas veronii. The addition of compound probiotics significantly increased the number of microorganisms detected in the intestines and gills of crucian carps in E group. The bacteria including Firmicutes, Planctomycetes, Verrucomicrobiota at the phylum level in E group were higher than those in R group. At the genus level, these bacteria (Pirellula, Roseimicrobium, Malikia) were not only higher in E group water, but also significantly higher in the intestines and gills than R group. The results of present study systematically analyzed the impact of high-concentration probiotics on crucian carps breeding, and speculated genus Pirellula, Roseimicrobium, Malikia may be used as aquatic probiotics. The present study will provide a new idea for the green and sustainable development of aquaculture.
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Affiliation(s)
- Yingying Zhang
- College of Animal Science and Technology, Yangzhou University, Yangzhou, 225009, China
| | - Tongwei Ji
- College of Animal Science and Technology, Yangzhou University, Yangzhou, 225009, China
| | - Yinan Jiang
- College of Animal Science and Technology, Yangzhou University, Yangzhou, 225009, China
| | - Chen Zheng
- College of Animal Science and Technology, Yangzhou University, Yangzhou, 225009, China
| | - Hui Yang
- College of Animal Science and Technology, Yangzhou University, Yangzhou, 225009, China.
| | - Qiuning Liu
- Jiangsu Key Laboratory for Bioresources of Saline Soils, Jiangsu Synthetic Innovation Center for Coastal Bio-agriculture, Jiangsu Provincial Key Laboratory of Coastal Wetland Bioresources and Environmental Protection, School of Wetland, Yancheng Teachers University, Yancheng, 224007, China.
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19
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Hu C, Liu M, Tang L, Liu H, Sun B, Chen L. Probiotic intervention mitigates the metabolic disturbances of perfluorobutanesulfonate along the gut-liver axis of zebrafish. CHEMOSPHERE 2021; 284:131374. [PMID: 34217933 DOI: 10.1016/j.chemosphere.2021.131374] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/20/2021] [Revised: 06/19/2021] [Accepted: 06/26/2021] [Indexed: 06/13/2023]
Abstract
Probiotic supplementation is effective to modulate the metabolic disorders caused by perfluorobutanesulfonate (PFBS). However, the underlying mechanisms remain unclear. To this end, the present study exposed adult zebrafish to PFBS (0 and 10 μg/L), probiotics, or their binary combinations for 40 days. After the exposure, the nutritional stores, intestinal organization, and metabolic activities along the gut-liver axis were investigated. The results showed that PFBS exposure decreased the nutrient reserves significantly, especially the lipid content, which was alleviated by the probiotic administration. Intestinal mucus secretion was promoted remarkably in the presence of the probiotic, which enhanced epithelial protection against PFBS damage. Metagenomic analysis showed that PFBS alone induced gut microbial dysbiosis, which was efficiently antagonized by the probiotic bacteria. Intestinal metabolomic profiling revealed that ferroptosis occurred because of the unrestricted lipid peroxidation following PFBS exposure. However, probiotic administration prevented the ferroptotic symptoms induced by PFBS, further highlighting the beneficial effects of the probiotic on the host. In PFBS-exposed livers, high levels of bile acid metabolites (e.g., taurochenodeoxycholic acid) accumulated, implying the induction of cholestasis. Notably, probiotic addition recovered the metabolomic homeostasis under PFBS stress, probably resulting from the activation of detoxification pathways based on the pentose and glucuronate interconversion. Overall, the present study provides systematic evidence of the antagonistic interaction between PFBS and the probiotic regarding the metabolic activities along the microbe, gut and liver axis, highlighting the application values of probiotic recipe in aquaculture industry and ecological reservation.
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Affiliation(s)
- Chenyan Hu
- School of Chemistry and Environmental Engineering, Wuhan Institute of Technology, Wuhan, 430072, China
| | - Mengyuan Liu
- State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, 430072, China; University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Lizhu Tang
- State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, 430072, China; University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Haokun Liu
- State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, 430072, China
| | - Baili Sun
- State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, 430072, China; University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Lianguo Chen
- State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, 430072, China.
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20
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Naya-Català F, do Vale Pereira G, Piazzon MC, Fernandes AM, Calduch-Giner JA, Sitjà-Bobadilla A, Conceição LEC, Pérez-Sánchez J. Cross-Talk Between Intestinal Microbiota and Host Gene Expression in Gilthead Sea Bream ( Sparus aurata) Juveniles: Insights in Fish Feeds for Increased Circularity and Resource Utilization. Front Physiol 2021; 12:748265. [PMID: 34675821 PMCID: PMC8523787 DOI: 10.3389/fphys.2021.748265] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2021] [Accepted: 09/02/2021] [Indexed: 01/03/2023] Open
Abstract
New types of fish feed based on processed animal proteins (PAPs), insect meal, yeast, and microbial biomasses have been used with success in gilthead sea bream. However, some drawback effects on feed conversion and inflammatory systemic markers were reported in different degrees with PAP- and non-PAP-based feed formulations. Here, we focused on the effects of control and two experimental diets on gut mucosal-adherent microbiota, and how it correlated with host transcriptomics at the local (intestine) and systemic (liver and head kidney) levels. The use of tissue-specific PCR-arrays of 93 genes in total rendered 13, 12, and 9 differentially expressed (DE) genes in the intestine, liver, and head kidney, respectively. Illumina sequencing of gut microbiota yielded a mean of 125,350 reads per sample, assigned to 1,281 operational taxonomic unit (OTUs). Bacterial richness and alpha diversity were lower in fish fed with the PAP diet, and discriminant analysis displayed 135 OTUs driving the separation between groups with 43 taxa correlating with 27 DE genes. The highest expression of intestinal pcna and alpi was achieved in PAP fish with intermediate values in non-PAP, being the pro-inflammatory action of alpi associated with the presence of Psychrobacter piscatorii. The intestinal muc13 gene was down-regulated in non-PAP fish, with this gene being negatively correlated with anaerobic (Chloroflexi and Anoxybacillus) and metal-reducing (Pelosinus and Psychrosinus) bacteria. Other inflammatory markers (igm, il8, tnfα) were up-regulated in PAP fish, positively correlating the intestinal igm gene with the inflammasome activator Escherichia/Shigella, whereas the systemic expression of il8 and tnfα was negatively correlated with the Bacilli class in PAP fish and positively correlated with Paracoccus yeei in non-PAP fish. Overall changes in the expression pattern of il10, galectins (lgals1, lgals8), and toll-like receptors (tlr2, tlr5, tlr9) reinforced the anti-inflammatory profile of fish fed with the non-PAP diet, with these gene markers being associated with a wide range of OTUs. A gut microbiota-liver axis was also established, linking the microbial generation of short chain fatty acids with the fueling of scd1- and elovl6-mediated lipogenesis. In summary, by correlating the microbiome with host gene expression, we offer new insights in the evaluation of fish diets promoting gut and metabolism homeostasis, and ultimately, the health of farmed fish.
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Affiliation(s)
- Fernando Naya-Català
- Nutrigenomics and Fish Growth Endocrinology Group, Institute of Aquaculture Torre de la Sal (IATS-CSIC), Castellón, Spain
| | | | - M Carla Piazzon
- Fish Pathology Group, Institute of Aquaculture Torre de la Sal (IATS-CSIC), Castellón, Spain
| | - Ana Margarida Fernandes
- SPAROS Lda, Area Empresarial de Marim, Olhăo, Portugal.,Faculty of Biosciences and Aquaculture, Nord University, Bodø, Norway
| | - Josep Alvar Calduch-Giner
- Nutrigenomics and Fish Growth Endocrinology Group, Institute of Aquaculture Torre de la Sal (IATS-CSIC), Castellón, Spain
| | - Ariadna Sitjà-Bobadilla
- Fish Pathology Group, Institute of Aquaculture Torre de la Sal (IATS-CSIC), Castellón, Spain
| | | | - Jaume Pérez-Sánchez
- Nutrigenomics and Fish Growth Endocrinology Group, Institute of Aquaculture Torre de la Sal (IATS-CSIC), Castellón, Spain
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21
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El-Saadony MT, Alagawany M, Patra AK, Kar I, Tiwari R, Dawood MAO, Dhama K, Abdel-Latif HMR. The functionality of probiotics in aquaculture: An overview. FISH & SHELLFISH IMMUNOLOGY 2021; 117:36-52. [PMID: 34274422 DOI: 10.1016/j.fsi.2021.07.007] [Citation(s) in RCA: 131] [Impact Index Per Article: 43.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/10/2021] [Revised: 06/10/2021] [Accepted: 07/14/2021] [Indexed: 05/20/2023]
Abstract
Probiotics are live beneficial bacteria introduced into the gastrointestinal tract through food or water, promoting good health by enhancing the internal microbial balance. Probiotic microbes produce bacteriocins, siderophores, lysozymes, proteases, and hydrogen peroxides, inhibiting the growth of harmful pathogens. Such beneficial bacteria also produce many enzymes such as amylase enzyme by Aeromonas spp., Bacillus subtilis, Bacteridaceae, Clostridium spp., Lactobacillus plantarum, and Staphylococcus sp., and protease and cellulase enzymes by B. subtilis, L. plantarum, and Staphylococcus sp. In aquaculture, probiotics confer several benefits and play important roles in improving growth performances, disease resistance, immunity, health status, intestinal epithelial barrier integrity, gut microbiome, and water quality. In addition, the practical application of probiotics in aquaculture diets could minimize antibiotic side effects. Promoting these feed additives for fish would help to improve their productive performance and feed utilization and, therefore, boost fish production and safeguard human health. This review provides updated information regarding definitions, sources of bacterial probiotics, probiotic use in fish diets against pathogenic bacteria, mechanisms of action, beneficial aspects, and potential applications of probiotics in fish. It is anticipated that these will be of significant value for nutritionists, agricultural engineers, researchers, pharmacists, scientists, pharmaceutical industries, and veterinarians.
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Affiliation(s)
- Mohamed T El-Saadony
- Department of Agricultural Microbiology, Faculty of Agriculture, Zagazig University, Zagazig, 44511, Egypt
| | - Mahmoud Alagawany
- Poultry Department, Faculty of Agriculture, Zagazig University, Zagazig, 44511, Egypt.
| | - Amlan K Patra
- Department of Animal Nutrition, West Bengal University of Animal and Fishery Sciences, Kolkata, 700037, West Bengal, India
| | - Indrajit Kar
- Department of Avian Sciences, West Bengal University of Animal and Fishery Sciences, Kolkata, 700037, West Bengal, India
| | - Ruchi Tiwari
- Department of Veterinary Microbiology and Immunology, College of Veterinary Sciences, Deen Dayal Upadhayay Pashu Chikitsa Vigyan Vishwavidyalay Evum Go-Anusandhan Sansthan (DUVASU), Mathura, 281001, India
| | - Mahmoud A O Dawood
- Department of Animal Production, Faculty of Agriculture, Kafrelsheikh University, 33516, Kafrelsheikh, Egypt
| | - Kuldeep Dhama
- Division of Pathology, ICAR-Indian Veterinary Research Institute, Izatnagar, Bareilly, 243 122, Uttar Pradesh, India
| | - Hany M R Abdel-Latif
- Department of Poultry and Fish Diseases, Faculty of Veterinary Medicine, Alexandria University, Alexandria, 22758, Egypt
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22
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Hu C, Liu M, Tang L, Sun B, Huang Z, Chen L. Probiotic Lactobacillus rhamnosus modulates the impacts of perfluorobutanesulfonate on oocyte developmental rhythm of zebrafish. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 776:145975. [PMID: 33639466 DOI: 10.1016/j.scitotenv.2021.145975] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/28/2020] [Revised: 02/08/2021] [Accepted: 02/14/2021] [Indexed: 06/12/2023]
Abstract
Potent interaction between probiotic bacteria and perfluorobutanesulfonate (PFBS), an aquatic pollutant of emerging concern, was previously reported on reproduction of zebrafish. However, the underlying mechanism is largely unexplored. In this regard, the present study continued to focus on the interactive modes between probiotics and PFBS. Adult zebrafish were exposed for 28 days to 0 and 10 μg/L PFBS with or without dietary supplementation of probiotic Lactobacillus rhamnosus. With the relevance to fecundity outcome, a suite of reproductive indices at transcriptional, hormonal, proteomic and histological levels of biological organization were measured herein. The fecundity monitoring results showed that probiotic additive shifted the impacts of PFBS on egg spawn, gradually approaching the control level. Based on ovary histological observation, oocyte growth was significantly promoted by probiotics or/and PFBS exposures, while the presence of probiotic bacteria partially antagonized the effects of PFBS on oocyte growth. The combination of probiotics and PFBS increased the concentration of maturation inducing hormones in ovary. Despite the enhanced hormonal signals, gene transcriptions of ovarian local auto/paracrine factors were consistently decreased in all exposure groups, suggesting the blocked transition from oocyte growth phase toward oocyte maturation phase. Ovary proteomic analysis found that PFBS exposure with or without probiotic bacteria mainly affected the RNA metabolic processes, although the addition of probiotics exerted extra influences on amino acid metabolism. Overall, the present study provided more mechanistic evidence about the interactive behavior between probiotic bacteria and PFBS pollutant. Feed additive of probiotic bacteria modulated the impacts of PFBS on egg production rhythm through oocyte growth and maturation phases.
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Affiliation(s)
- Chenyan Hu
- School of Chemistry and Environmental Engineering, Wuhan Institute of Technology, Wuhan 430072, China
| | - Mengyuan Liu
- State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan 430072, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Lizhu Tang
- State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan 430072, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Baili Sun
- State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan 430072, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Zileng Huang
- School of Chemistry and Environmental Engineering, Wuhan Institute of Technology, Wuhan 430072, China
| | - Lianguo Chen
- State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan 430072, China.
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23
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Bernardini I, Matozzo V, Valsecchi S, Peruzza L, Rovere GD, Polesello S, Iori S, Marin MG, Fabrello J, Ciscato M, Masiero L, Bonato M, Santovito G, Boffo L, Bargelloni L, Milan M, Patarnello T. The new PFAS C6O4 and its effects on marine invertebrates: First evidence of transcriptional and microbiota changes in the Manila clam Ruditapes philippinarum. ENVIRONMENT INTERNATIONAL 2021; 152:106484. [PMID: 33740673 DOI: 10.1016/j.envint.2021.106484] [Citation(s) in RCA: 31] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/30/2020] [Revised: 02/16/2021] [Accepted: 02/22/2021] [Indexed: 06/12/2023]
Abstract
There is growing concern for the wide use ofperfluorooctanoic acid (PFOA) because of its toxic effects on the environment and on human health. A new compound - the so called C6O4 (perfluoro ([5-methoxy-1,3-dioxolan-4-yl]oxy) acetic acid) - was recently introduced as one of the alternative to traditional PFOA, however this was done without any scientific evidence of the effects of C6O4 when dispersed into the environment. Recently, the Regional Agency for the Protection of the Environment of Veneto (Italy) detected high levels of C6O4 in groundwater and in the Po river, increasing the alarm for the potential effects of this chemical into the natural environment. The present study investigates for the first time the effects of C6O4 on the Manila clam Ruditapes philippinarum exposed to environmental realistic concentrations of C6O4 (0.1 µg/L and 1 µg/L) for 7 and 21 days. Furthermore, in order to better understand if C6O4 is a valid and less hazardous alternative to its substitute, microbial and transcriptomic alterations were also investigated in clams exposed to 1 µg/L ofPFOA. Results indicate that C6O4 may cause significant perturbations to the digestive gland microbiota, likely determining the impairment of host physiological homeostasis. Despite chemical analyses suggest a 5 times lower accumulation potential of C604 as compared to PFOA in clam soft tissues, transcriptional analyses reveal several alterations of gene expression profile. A large part of the altered pathways, including immune response, apoptosis regulation, nervous system development, lipid metabolism and cell membrane is the same in C6O4 and PFOA exposed clams. In addition, clams exposed to C6O4 showed dose-dependent responses as well as possible narcotic or neurotoxic effects and reduced activation of genes involved in xenobiotic metabolism. Overall, the present study suggests that the potential risks for marine organism following environmental contamination are not reduced by replacing PFOA with C6O4. In addition, the detection of both C6O4 and PFOA into tissues of clams inhabiting the Lagoon of Venice - where there are no point sources of either compounds - recommends a similar capacity to spread throughout the environment. These results prompt the urgent need to re-evaluate the use of C6O4 as it may represent not only an environmental hazard but also a potential risk for human health.
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Affiliation(s)
- Ilaria Bernardini
- Department of Comparative Biomedicine and Food Science, University of Padova, Viale dell'Università 16, 35020 Legnaro (PD), Italy
| | - Valerio Matozzo
- Department of Biology, University of Padova, Via Bassi 58/B, 35131 Padova, Italy
| | - Sara Valsecchi
- Water Research Institute, Italian National Research Council (IRSA-CNR), Via Mulino 19, 20861 Brugherio, MB, Italy
| | - Luca Peruzza
- Department of Comparative Biomedicine and Food Science, University of Padova, Viale dell'Università 16, 35020 Legnaro (PD), Italy
| | - Giulia Dalla Rovere
- Department of Comparative Biomedicine and Food Science, University of Padova, Viale dell'Università 16, 35020 Legnaro (PD), Italy
| | - Stefano Polesello
- Water Research Institute, Italian National Research Council (IRSA-CNR), Via Mulino 19, 20861 Brugherio, MB, Italy
| | - Silvia Iori
- Department of Comparative Biomedicine and Food Science, University of Padova, Viale dell'Università 16, 35020 Legnaro (PD), Italy
| | | | - Jacopo Fabrello
- Department of Biology, University of Padova, Via Bassi 58/B, 35131 Padova, Italy
| | - Maria Ciscato
- Department of Biology, University of Padova, Via Bassi 58/B, 35131 Padova, Italy
| | - Luciano Masiero
- Department of Biology, University of Padova, Via Bassi 58/B, 35131 Padova, Italy
| | - Marco Bonato
- Department of Biology, University of Padova, Via Bassi 58/B, 35131 Padova, Italy
| | - Gianfranco Santovito
- Department of Biology, University of Padova, Via Bassi 58/B, 35131 Padova, Italy
| | | | - Luca Bargelloni
- Department of Comparative Biomedicine and Food Science, University of Padova, Viale dell'Università 16, 35020 Legnaro (PD), Italy
| | - Massimo Milan
- Department of Comparative Biomedicine and Food Science, University of Padova, Viale dell'Università 16, 35020 Legnaro (PD), Italy.
| | - Tomaso Patarnello
- Department of Comparative Biomedicine and Food Science, University of Padova, Viale dell'Università 16, 35020 Legnaro (PD), Italy
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24
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Liu M, Tang L, Hu C, Sun B, Huang Z, Chen L. Interaction between probiotic additive and perfluorobutanesulfonate pollutant on offspring growth and health after parental exposure using zebrafish. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2021; 214:112107. [PMID: 33667734 DOI: 10.1016/j.ecoenv.2021.112107] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/11/2021] [Revised: 02/21/2021] [Accepted: 02/24/2021] [Indexed: 06/12/2023]
Abstract
Perfluorobutanesulfonate (PFBS) pollutant and probiotic bacteria can interact to affect the reproductive outcomes of zebrafish. However, it is still unexplored how the growth and health of offspring are modulated by the combination of PFBS and probiotic. In the present study, adult zebrafish were exposed to 0 and 10 μg/L PFBS for 40 days, with or without dietary supplementation of probiotic Lactobacillus rhamnosus. After parental exposure, the development, growth and viability of offspring larvae were examined, with the integration of molecular clues across proteome fingerprint, growth hormone/insulin-like growth factor (GH/IGF) axis, calcium homeostasis, hypothalamic-pituitary-adrenal (HPA) axis and nutrient metabolism. Parental probiotic supplementation significantly increased the body weight and body length of offspring larvae. Despite the spiking of PFBS, larvae from the combined exposure group still had longer body length. RNA processing and ribosomal assembly pathways may underlie the enhancement of offspring growth by probiotic bacteria. However, the presence of PFBS remarkably increased the concentrations of cortisol hormone in offspring larvae as means to cope with the xenobiotic stress, which required more energy production. As evidenced by the proteomic analysis, the addition of probiotic bacteria likely alleviated the energy metabolism disorders of PFBS, thus allocating more energy for the larval offspring growth from the combined group. It was noteworthy that multiple molecular disturbances caused by PFBS were antagonized by probiotic additive. Overall, the present study elucidated the intergenerational interaction between PFBS and probiotic on offspring growth and health after parental exposure.
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Affiliation(s)
- Mengyuan Liu
- State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan 430072, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Lizhu Tang
- State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan 430072, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Chenyan Hu
- School of Chemistry and Environmental Engineering, Wuhan Institute of Technology, Wuhan 430072, China
| | - Baili Sun
- State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan 430072, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Zileng Huang
- School of Chemistry and Environmental Engineering, Wuhan Institute of Technology, Wuhan 430072, China
| | - Lianguo Chen
- State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan 430072, China.
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