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Mohanty S, Paul A, Banerjee S, Rajendran KV, Tripathi G, Das PC, Sahoo PK. Ultrastructural, molecular and haemato-immunological changes: Multifaceted toxicological effects of microcystin-LR in rohu, Labeo rohita. CHEMOSPHERE 2024; 358:142097. [PMID: 38657687 DOI: 10.1016/j.chemosphere.2024.142097] [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: 01/15/2024] [Revised: 04/17/2024] [Accepted: 04/19/2024] [Indexed: 04/26/2024]
Abstract
No water body is resilient to afflicts of algal bloom, if goes unmanaged. With the increasing trend of intensification, eutrophication and climate change, Labeo rohita (rohu) is highly anticipated to suffer from the deleterious effects of bloom and eventually its toxins. A comprehensive study was conducted to understand the toxicopathological effects of microcystin-LR (MC-LR) in rohu following intraperitoneal injection of 96 h-LD50 dose i.e., 713 μg kg-1. Substantial changes in micro- and ultrastructural level were evident in histopathology and transmission electron microscope (TEM) study. The haematological, biochemical, cellular and humoral innate immune biomarkers were significantly altered (p < 0.05) in MC-LR treated fish. The mRNA transcript levels of IL-1β, IL-10, IgM and IgZ in liver and kidney tissues were significantly up-regulated in 12 hpi and declined in 96 hpi MC-LR exposed fish. The relative mRNA expression of caspase 9 in the liver and kidney indicates mitochondrial-mediated apoptosis which was strongly supported by TEM study. In a nutshell, our study illustrates for the first time MC-LR induced toxicological implications in rohu displaying immunosuppression, enhanced oxidative stress, pathophysiology, modulation in mRNA transcription, genotoxicity, structural and ultrastructural alterations signifying it as a vulnerable species for MC-LR intoxication.
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Affiliation(s)
- Snatashree Mohanty
- ICAR-Central Institute of Freshwater Aquaculture, Bhubaneswar, 751 002, India
| | - Anirban Paul
- ICAR-Central Institute of Freshwater Aquaculture, Bhubaneswar, 751 002, India
| | | | - K V Rajendran
- ICAR- Central Institute of Fisheries Education, Mumbai, India; Central University of Kerala, Kasaragod, 671 316, India
| | | | - Pratap Chandra Das
- ICAR-Central Institute of Freshwater Aquaculture, Bhubaneswar, 751 002, India
| | - Pramoda Kumar Sahoo
- ICAR-Central Institute of Freshwater Aquaculture, Bhubaneswar, 751 002, India.
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Veerabadhran M, Manivel N, Sarvalingam B, Seenivasan B, Srinivasan H, Davoodbasha M, Yang F. State-of-the-art review on the ecotoxicology, health hazards, and economic loss of the impact of microcystins and their ultrastructural cellular changes. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2023; 256:106417. [PMID: 36805195 DOI: 10.1016/j.aquatox.2023.106417] [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: 09/03/2022] [Revised: 11/30/2022] [Accepted: 01/04/2023] [Indexed: 06/18/2023]
Abstract
Cyanobacteria are ubiquitously globally present in both freshwater and marine environments. Ample reports have been documented by researchers worldwide for pros and cons of cyanobacterial toxins. The implications of cyanobacterial toxin on health have received much attention in recent decades. Microcystins (MCs) represent the unique class of toxic metabolites produced by cyanobacteria. Although the beneficial aspects of cyanobacterial are numerous, the deleterious effect of MCs overlooked. Several studies on MCs evidently reported that MCs exhibit a plethora of harmful effect on animals, plants, and cell lines. Accordingly, numerous histopathological studies have also found that MCs cause detrimental effects to cells by damaging cellular organelles, including nuclear envelope, Golgi apparatus, endoplasmic reticulum, mitochondria, plastids, flagellum, pilus membrane structures and integrity, vesicle structures, and autolysosomes and autophagosomes. Such ultrastructural cellular damages holistically influence the morphological, biochemical, physiological, and genetic status of the host. Indeed, MCs have also been found to cause the deleterious effect to different animals and plants. Such deleterious effects of MCs have greater impact on agriculture, public health which in turn influences ecotoxicology and economic consequences. The impairments correspond to oxidative stress, organ failure, carcinogenesis, aquaculture loss, with an emphasis for blooms and respective bioaccumulation prospects. The preservation of mortality among life forms is addressed in a critical cellular perspective for multitude benefits. The comprehensive cellular assessment could provide opportunity to develop strategy for therapeutic implications.
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Affiliation(s)
- Maruthanayagam Veerabadhran
- Hunan Province Key Laboratory of Typical Environmental Pollution and Health Hazards, School of Public Health, University of South China, Hengyang, China; Hunan Provincial Key Laboratory of Clinical Epidemiology, Xiangya School of Public Health, Central South University, Hunan 410078, China
| | - Nagarajan Manivel
- ICAR-Central Marine Fisheries Research Institute, Chennai 600 0028, India
| | - Barathkumar Sarvalingam
- National Centre for Coastal Research (NCCR), Ministry of Earth Science, NIOT Campus, Chennai 600100, India
| | - Boopathi Seenivasan
- Department of Biotechnology, College of Science and Humanities, SRM Institute of Science and Technology, Chennai, India
| | - Hemalatha Srinivasan
- School of Life Sciences, B.S. Abdur Rahman Crescent Institute of Science and Technology, Chennai 600 0048, India
| | - MubarakAli Davoodbasha
- School of Life Sciences, B.S. Abdur Rahman Crescent Institute of Science and Technology, Chennai 600 0048, India.
| | - Fei Yang
- Hunan Province Key Laboratory of Typical Environmental Pollution and Health Hazards, School of Public Health, University of South China, Hengyang, China.
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Lin W, Hung TC, Kurobe T, Wang Y, Yang P. Microcystin-Induced Immunotoxicity in Fishes: A Scoping Review. Toxins (Basel) 2021; 13:765. [PMID: 34822549 PMCID: PMC8623247 DOI: 10.3390/toxins13110765] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2021] [Revised: 10/26/2021] [Accepted: 10/27/2021] [Indexed: 12/26/2022] Open
Abstract
Cyanobacteria (blue-green algae) have been present on Earth for over 2 billion years, and can produce a variety of bioactive molecules, such as cyanotoxins. Microcystins (MCs), the most frequently detected cyanotoxins, pose a threat to the aquatic environment and to human health. The classic toxic mechanism of MCs is the inhibition of the protein phosphatases 1 and 2A (PP1 and PP2A). Immunity is known as one of the most important physiological functions in the neuroendocrine-immune network to prevent infections and maintain internal homoeostasis in fish. The present review aimed to summarize existing papers, elaborate on the MC-induced immunotoxicity in fish, and put forward some suggestions for future research. The immunomodulatory effects of MCs in fish depend on the exposure concentrations, doses, time, and routes of exposure. Previous field and laboratory studies provided strong evidence of the associations between MC-induced immunotoxicity and fish death. In our review, we summarized that the immunotoxicity of MCs is primarily characterized by the inhibition of PP1 and PP2A, oxidative stress, immune cell damage, and inflammation, as well as apoptosis. The advances in fish immunoreaction upon encountering MCs will benefit the monitoring and prediction of fish health, helping to achieve an ecotoxicological goal and to ensure the sustainability of species. Future studies concerning MC-induced immunotoxicity should focus on adaptive immunity, the hormesis phenomenon and the synergistic effects of aquatic microbial pathogens.
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Affiliation(s)
- Wang Lin
- Hunan Provincial Collaborative Innovation Center for Efficient and Health Production of Fisheries, Hunan Provincial Key Laboratory for Health Aquaculture and Product Processing in Dongting Lake Area, Hunan Provincial Key Laboratory for Molecular Immunity Technology of Aquatic Animal Diseases, Hunan Engineering Research Center of Aquatic Organism Resources and Environmental Ecology, Zoology Key Laboratory of Hunan Higher Education, College of Life and Environmental Sciences, Hunan University of Arts and Science, Changde 415000, China;
- Department of Biological and Agricultural Engineering, University of California, Davis, CA 95616, USA; (T.-C.H.); (Y.W.)
- Department of Fisheries Resources and Environment, College of Fisheries, Huazhong Agricultural University, Wuhan 430070, China
| | - Tien-Chieh Hung
- Department of Biological and Agricultural Engineering, University of California, Davis, CA 95616, USA; (T.-C.H.); (Y.W.)
| | - Tomofumi Kurobe
- Department of Anatomy, Physiology, and Cell Biology, University of California, Davis, CA 95616, USA;
| | - Yi Wang
- Department of Biological and Agricultural Engineering, University of California, Davis, CA 95616, USA; (T.-C.H.); (Y.W.)
| | - Pinhong Yang
- Hunan Provincial Collaborative Innovation Center for Efficient and Health Production of Fisheries, Hunan Provincial Key Laboratory for Health Aquaculture and Product Processing in Dongting Lake Area, Hunan Provincial Key Laboratory for Molecular Immunity Technology of Aquatic Animal Diseases, Hunan Engineering Research Center of Aquatic Organism Resources and Environmental Ecology, Zoology Key Laboratory of Hunan Higher Education, College of Life and Environmental Sciences, Hunan University of Arts and Science, Changde 415000, China;
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Gao Y, Zhu G, Tian Y, Li K, Zhao Y, Liang J, Gu Q, Li X. Blood biochemistry profile of Qihe crucian carp Carassius auratus in different aquaponic systems. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2020; 27:42898-42907. [PMID: 32725569 DOI: 10.1007/s11356-020-10214-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/20/2020] [Accepted: 07/20/2020] [Indexed: 06/11/2023]
Abstract
Blood biochemical profile can be used to evaluate the health status of fish and ambient environmental conditions. However, it is not well known in the aquaponic systems, let alone their differences between hydroponic and aquatic plants. A 5-month trial was conducted to investigate the changes in the growth performance and blood index of Qihe crucian carp Carassius auratus in eight aquaponic systems (control, Ipomoea aquatica, Lactuca sativa, Lemna minor, Amaranthus tricolor, Ceratophyllum demersum, Vallisneria spiralis, and C. demersum-net, indicated by CK, Ia, Ls, Lm, At, Cd, Vn, and Cd-ns). Results showed that weight gain rate and specific growth rate did not significantly differ among the eight groups. However, most blood parameters significantly differed among the eight groups. The glucose level and activities of alkaline phosphatase, alanine aminotransferase, and aspartate aminotransferase were generally larger in Cd, Lm, Vn, and CK groups, and smaller in Ia, Ls, or At groups. Additionally, the triglyceride, cholesterol, albumin, and albumin/globulin were mostly elevated in Ia and At groups. Moreover, the creatinine, total proteins, and globulin levels peaked in Vn group. These findings showed that the blood biochemical profile was more sensitive than the growth performances and that hydroponic plants can induce a higher production and more healthy status of Qihe crucian carp C. auratus when compared with aquatic plants or no plants.
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Affiliation(s)
- Yang Gao
- Key Laboratory of Aquatic Resource Conservation and Development of Xinxiang, and Engineering Lab of Henan Province for Aquatic Animal Disease Control, Engineering Technology Research Center of Henan Province for Aquatic Animal Cultivation, College of Fisheries, Henan Normal University, No. 46 Jianshe East Road, Muye District, Xinxiang, 453007, Henan Province, People's Republic of China
| | - Guorong Zhu
- Key Laboratory of Aquatic Resource Conservation and Development of Xinxiang, and Engineering Lab of Henan Province for Aquatic Animal Disease Control, Engineering Technology Research Center of Henan Province for Aquatic Animal Cultivation, College of Fisheries, Henan Normal University, No. 46 Jianshe East Road, Muye District, Xinxiang, 453007, Henan Province, People's Republic of China.
| | - Yuan Tian
- Key Laboratory of Aquatic Resource Conservation and Development of Xinxiang, and Engineering Lab of Henan Province for Aquatic Animal Disease Control, Engineering Technology Research Center of Henan Province for Aquatic Animal Cultivation, College of Fisheries, Henan Normal University, No. 46 Jianshe East Road, Muye District, Xinxiang, 453007, Henan Province, People's Republic of China
| | - Kang Li
- Key Laboratory of Aquatic Resource Conservation and Development of Xinxiang, and Engineering Lab of Henan Province for Aquatic Animal Disease Control, Engineering Technology Research Center of Henan Province for Aquatic Animal Cultivation, College of Fisheries, Henan Normal University, No. 46 Jianshe East Road, Muye District, Xinxiang, 453007, Henan Province, People's Republic of China
| | - Yanjing Zhao
- Key Laboratory of Aquatic Resource Conservation and Development of Xinxiang, and Engineering Lab of Henan Province for Aquatic Animal Disease Control, Engineering Technology Research Center of Henan Province for Aquatic Animal Cultivation, College of Fisheries, Henan Normal University, No. 46 Jianshe East Road, Muye District, Xinxiang, 453007, Henan Province, People's Republic of China
| | - Junping Liang
- Key Laboratory of Aquatic Resource Conservation and Development of Xinxiang, and Engineering Lab of Henan Province for Aquatic Animal Disease Control, Engineering Technology Research Center of Henan Province for Aquatic Animal Cultivation, College of Fisheries, Henan Normal University, No. 46 Jianshe East Road, Muye District, Xinxiang, 453007, Henan Province, People's Republic of China
| | - Qianhong Gu
- Key Laboratory of Aquatic Resource Conservation and Development of Xinxiang, and Engineering Lab of Henan Province for Aquatic Animal Disease Control, Engineering Technology Research Center of Henan Province for Aquatic Animal Cultivation, College of Fisheries, Henan Normal University, No. 46 Jianshe East Road, Muye District, Xinxiang, 453007, Henan Province, People's Republic of China
| | - Xuejun Li
- Key Laboratory of Aquatic Resource Conservation and Development of Xinxiang, and Engineering Lab of Henan Province for Aquatic Animal Disease Control, Engineering Technology Research Center of Henan Province for Aquatic Animal Cultivation, College of Fisheries, Henan Normal University, No. 46 Jianshe East Road, Muye District, Xinxiang, 453007, Henan Province, People's Republic of China
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Mayasula VK, Arunachalam A, Sellappan S, Guvvala PR, Naidu SJ, Dintaran P, Bhatta R. Organic Zn and Cu supplementation imprints on seminal plasma mineral, biochemical/ antioxidant activities and its relationship to spermatozoal characteristics in bucks. Reprod Biol 2020; 20:220-228. [PMID: 32156534 DOI: 10.1016/j.repbio.2020.02.007] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2019] [Revised: 01/25/2020] [Accepted: 02/20/2020] [Indexed: 02/07/2023]
Abstract
This experiment was conducted to study the effect of mineral supplementation on seminal plasma minerals level, biochemical constituents and total antioxidant capacity of Osmanabadi bucks. The study comprised of forty healthy bucks, aged five months were randomly assigned to ten groups (n = 4 per group). The control group was fed with a basal diet without any additional mineral supplementation. In addition to basal diet, treatment bucks were supplemented with three graded doses of organic Zinc (Zn) as 20, 40 and 60 mg/kg dry matter (DM); organic Copper (Cu) as 12.5, 25, 37.5 mg/ kg DM and combination of Zn + Cu as Zn20+Cu12.5, Zn40+Cu25, Zn60+Cu37.5 mg /kg DM basis respectively. Minerals were supplemented for 8 months and the separated seminal plasma used for analysis of minerals, biochemical profile, total antioxidant capacity (TAC), lipid peroxidation (LPO), and protein carbonylation (PC). In treatment groups, significantly lower LPO and PC were observed, except Zn60 and Zn60+Cu37.5, where higher malondialdehyde (MDA) (P < 0.05) formed. The TAC was relatively higher (P < 0.05) in Zn20, Zn40, Cu12.5 and Zn60+Cu37.5 than control. The minerals and biochemical parameters were significantly altered and positive relationship was observed among them. From this study, it was concluded that supplemented minerals changed the seminal plasma minerals profile (Zn- 7-13; Cu- 0.5-1.9 mg/L), reduced the stress (LPO and PC of control Vs treatment as 0.3 Vs 0.1 nmol/ml and 25.7 Vs 4.3 nmol protein carbonyl/mg protein), which improved the sperm quality in Zn40, all Cu treatments and Zn60+Cu37.5 groups respectively.
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Affiliation(s)
- Venkata Krishnaiah Mayasula
- Reproductive Physiology Lab, Animal Physiology Division, Indian Council of Agriculture Research (ICAR)-National Institute of Animal Nutrition and Physiology (NIANP), Bengaluru, Karnataka, 560030, India; Department of Biotechnology, Jain University, Bengaluru, Karnataka, India
| | - Arangasamy Arunachalam
- Reproductive Physiology Lab, Animal Physiology Division, Indian Council of Agriculture Research (ICAR)-National Institute of Animal Nutrition and Physiology (NIANP), Bengaluru, Karnataka, 560030, India.
| | - Selvaraju Sellappan
- Reproductive Physiology Lab, Animal Physiology Division, Indian Council of Agriculture Research (ICAR)-National Institute of Animal Nutrition and Physiology (NIANP), Bengaluru, Karnataka, 560030, India
| | - Pushpa Rani Guvvala
- Reproductive Physiology Lab, Animal Physiology Division, Indian Council of Agriculture Research (ICAR)-National Institute of Animal Nutrition and Physiology (NIANP), Bengaluru, Karnataka, 560030, India
| | - Sharanya Jeevendra Naidu
- Reproductive Physiology Lab, Animal Physiology Division, Indian Council of Agriculture Research (ICAR)-National Institute of Animal Nutrition and Physiology (NIANP), Bengaluru, Karnataka, 560030, India
| | - Pal Dintaran
- Animal Nutrition Division, Indian Council of Agriculture Research (ICAR)-National Institute of Animal Nutrition and Physiology (NIANP), Bengaluru, Karnataka, 560030, India
| | - Raghavendra Bhatta
- Director, Indian Council of Agriculture Research (ICAR)-National Institute of Animal Nutrition and Physiology (NIANP), Bengaluru, Karnataka, 560030, India
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Ebrahimi M, Daeman NH, Chong CM, Karami A, Kumar V, Hoseinifar SH, Romano N. Comparing the effects of different dietary organic acids on the growth, intestinal short-chain fatty acids, and liver histopathology of red hybrid tilapia (Oreochromis sp.) and potential use of these as preservatives. FISH PHYSIOLOGY AND BIOCHEMISTRY 2017; 43:1195-1207. [PMID: 28349418 DOI: 10.1007/s10695-017-0365-0] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/29/2016] [Accepted: 03/15/2017] [Indexed: 06/06/2023]
Abstract
Dietary organic acids are increasingly being investigated as a potential means of improving growth and nutrient utilization in aquatic animals. A 9-week study was performed to compare equal amounts (2%) of different organic acids (sodium butyrate, acetate, propionate, or formate) on the growth, muscle proximate composition, fatty acid composition, cholesterol and lipid peroxidation, differential cell counts, plasma biochemistry, intestinal short-chain fatty acid (SCFA) level, and liver histopathology to red hybrid tilapia (Oreochromis sp.) (initial mean weight of 2.87 g). A second experiment was performed to determine their effects on lipid peroxidation and trimethylamine (TMA) when added at 1% to tilapia meat and left out for 24 h. The results of the first experiment showed no treatment effect to growth, feeding efficiencies, or muscle fatty acid composition, but all dietary organic acids significantly decreased intestinal SCFA. Dietary butyrate and propionate significantly decreased muscle lipid peroxidation compared to the control group, but the dietary formate treatment had the lowest lipid peroxidation compared to all treatments. Muscle crude protein and lipid in tilapia fed the formate diet were significantly lower and higher, respectively, and showed evidence of stress based on the differential cell counts, significantly higher plasma glucose and liver glycogen, as well as inflammatory responses in the liver. Although a potential benefit of dietary organic acids was a reduction to lipid peroxidation, this could be accomplished post-harvest by direct additions to the meat. In addition, inclusions of butyrate and propionate to tilapia meat significantly decreased TMA, which might be a more cost-effective option to improve the shelf life of tilapia products.
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Affiliation(s)
- Mahdi Ebrahimi
- Department of Veterinary Preclinical Sciences, Faculty of Veterinary Medicine, Universiti Putra Malaysia, 43400 UPM, Serdang, Selangor, Malaysia
| | - Nor Hafizah Daeman
- Department of Aquaculture, Faculty of Agriculture, Universiti Putra Malaysia, 43400, Serdang, Selangor, Malaysia
| | - Chou Min Chong
- Department of Aquaculture, Faculty of Agriculture, Universiti Putra Malaysia, 43400, Serdang, Selangor, Malaysia
| | - Ali Karami
- Laboratory of Aquatic Toxicology, Faculty of Medicine and Health Sciences, Universiti Putra Malaysia, 43400, Serdang, Selangor, Malaysia
| | - Vikas Kumar
- Division of Aquaculture, College of Agriculture, Food Science and Sustainable Systems, Kentucky State University, Frankfort, KY, USA
| | - Seyed Hossein Hoseinifar
- Department of Fisheries, Faculty of Fisheries and Environmental Sciences, Gorgan University of Agricultural Sciences and Natural Resources, Gorgan, Iran
| | - Nicholas Romano
- Department of Aquaculture, Faculty of Agriculture, Universiti Putra Malaysia, 43400, Serdang, Selangor, Malaysia.
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Nwani CD, Somdare PO, Ukonze JA, Ejere VC, Nwadinigwe AO, Nwani JC, Odo GE, Ugbor ON. Subchronic Exposure to Fenthion Induces Hematological Changes in Liver Tissue of African Catfish Clarias gariepinus. JOURNAL OF AQUATIC ANIMAL HEALTH 2016; 28:229-234. [PMID: 27764572 DOI: 10.1080/08997659.2016.1194907] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
In this study, African Catfish (also known as Sharptooth Catfish) Clarias gariepinus were exposed to sublethal concentrations of fenthion of 2.0, 4.0, and 8.0 mg/L for 21 d and allowed to recover for 7 d to investigate the potential for hematological changes. Whole blood was sampled on days 1, 7, 14, and 21 postexposure and after a 7-d recovery period. During exposure, fenthion caused a reduction in red blood cell counts, hemoglobin concentration, and packed cell volume. There was an increase in white blood cell counts but no significant difference in mean corpuscular hemoglobin concentration, mean corpuscular volume, and mean corpuscular hemoglobin. Both increases and decreases were observed in white blood cell differentials. After the 7-d recovery period, both increases and decreases were observed in the hematological parameters. These results reveal that sublethal concentrations of fenthion can cause hematological alterations in African Catfish and that the substance should be used with caution. Received October 20, 2015; accepted May 4, 2016.
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Affiliation(s)
| | - Peace Onas Somdare
- b Department of Biological Science , Federal University , Lokoja , Nigeria
| | | | - Vincent Chikwendu Ejere
- a Department of Zoology and Environmental Biology , University of Nigeria , Nsukka , Nigeria
| | - Alfreda O Nwadinigwe
- d Department of Plant Science and Biotechnology , University of Nigeria , Nsukka , Nigeria
| | - Jacinta Chinedu Nwani
- e Department of Crop Science and Landscape Management , Ebonyi State University , Abakaliki , Nigeria
| | - Gregory Ejike Odo
- a Department of Zoology and Environmental Biology , University of Nigeria , Nsukka , Nigeria
| | - Ogechi Nnabuchi Ugbor
- a Department of Zoology and Environmental Biology , University of Nigeria , Nsukka , Nigeria
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Woźny M, Lewczuk B, Ziółkowska N, Gomułka P, Dobosz S, Łakomiak A, Florczyk M, Brzuzan P. Intraperitoneal exposure of whitefish to microcystin-LR induces rapid liver injury followed by regeneration and resilience to subsequent exposures. Toxicol Appl Pharmacol 2016; 313:68-87. [PMID: 27765657 DOI: 10.1016/j.taap.2016.10.014] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2016] [Revised: 10/11/2016] [Accepted: 10/13/2016] [Indexed: 12/22/2022]
Abstract
To date, there has been no systematic approach comprehensively describing the sequence of pathological changes in fish during prolonged exposure to microcystin-LR (MC-LR). Towards this aim, juvenile whitefish individuals received an intraperitoneal injection with pure MC-LR, and the injection was repeated every week to maintain continuous exposure for 28days. During the exposure period, growth and condition of the fish were assessed based on biometric measurements. Additionally, selected biochemical markers were analysed in the fishes' blood, and their livers were carefully examined for morphological, ultrastructural, and molecular changes. The higher dose of MC-LR (100μg·kg-1) caused severe liver injury at the beginning of the exposure period, whereas the lower dose (10μg·kg-1) caused less, probably reversible injury, and its effects began to be observed later in the exposure period. These marked changes were accompanied by substantial MC-LR uptake by the liver. However, starting on the 7th day of exposure, cell debris began to be removed by phagocytes, then by 14th day, proliferation of liver cells had markedly increased, which led to reconstruction of the liver parenchyma at the end of the treatment. Surprisingly, despite weekly-repeated intraperitoneal injections, MC-LR did not accumulate over time of exposure which suggests its limited uptake in the later phase of exposure. In support, mRNA expression of the membrane transport protein oatp1d was decreased at the same time as the regenerative processes were observed. Our study shows that closing of active membrane transport may serve as one defence mechanism against further MC-LR intoxication.
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Affiliation(s)
- Maciej Woźny
- Department of Environmental Biotechnology, Faculty of Environmental Sciences, University of Warmia and Mazury in Olsztyn, ul. Słoneczna 45G, 10-709 Olsztyn, Poland.
| | - Bogdan Lewczuk
- Department of Histology and Embryology, Faculty of Veterinary Medicine, University of Warmia and Mazury in Olsztyn, ul. M. Oczapowskiego 13, 10-713 Olsztyn, Poland
| | - Natalia Ziółkowska
- Department of Histology and Embryology, Faculty of Veterinary Medicine, University of Warmia and Mazury in Olsztyn, ul. M. Oczapowskiego 13, 10-713 Olsztyn, Poland
| | - Piotr Gomułka
- Department of Ichthyology, Faculty of Environmental Sciences, University of Warmia and Mazury in Olsztyn, ul. M. Oczapowskiego 5, 10-719 Olsztyn, Poland
| | - Stefan Dobosz
- Department of the Salmonid Research in Rutki, Inland Fisheries Institute in Olsztyn, Rutki, 83-330 Żukowo, Poland
| | - Alicja Łakomiak
- Department of Environmental Biotechnology, Faculty of Environmental Sciences, University of Warmia and Mazury in Olsztyn, ul. Słoneczna 45G, 10-709 Olsztyn, Poland
| | - Maciej Florczyk
- Department of Environmental Biotechnology, Faculty of Environmental Sciences, University of Warmia and Mazury in Olsztyn, ul. Słoneczna 45G, 10-709 Olsztyn, Poland
| | - Paweł Brzuzan
- Department of Environmental Biotechnology, Faculty of Environmental Sciences, University of Warmia and Mazury in Olsztyn, ul. Słoneczna 45G, 10-709 Olsztyn, Poland
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Chen C, Liu W, Wang L, Li J, Chen Y, Jin J, Kawan A, Zhang X. Pathological damage and immunomodulatory effects of zebrafish exposed to microcystin-LR. Toxicon 2016; 118:13-20. [PMID: 27085306 DOI: 10.1016/j.toxicon.2016.04.030] [Citation(s) in RCA: 53] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2016] [Revised: 04/01/2016] [Accepted: 04/12/2016] [Indexed: 12/18/2022]
Abstract
Cyanobacterial blooms caused by water eutrophication have become a worldwide problem. Microcystins (MCs), especially microcystin-LR (MC-LR), released during cyanobacterial blooms exert great toxicity on fish and even lead to massive death. The present study mainly investigated the pathological damage and immune response of spleen, gut and gill in zebrafish exposed to MC-LR. Fish were exposed to 0, 1, 5 and 20 μg/L of MC-LR for 30 d. In zebrafish exposed to 5 and 20 μg/L MC-LR, edematous mitochondria, deformation of the nucleus and compaction of chromatin were observed in lymphocyte of spleen; frayed gut villi, exfoliation of epithelial cells and widespread cell lyses were observed in intestines; hyperemia in gill lamellae, epithelial tissue edema and uplift and lamellar fusion were observed in gill. Varied changed gene expression was observed in spleen, intestine and gill of zebrafish. The transcriptional levels of IFN-1 and IL-8 in spleen significantly up-regulated in 20 μg/L group, and the transcription of IL-1β and TNFα in spleen increased in 1 μg/L MC-LR treated fish. In addition, the mRNA levels of IFN-1, IL-1β, IL-8, TGF-β and TNF-α dramatically increased in intestine and gill in all MC-LR treated groups. The present studies indicated that MC-LR exposure caused marked pathological damage, however, fish could adjust actively the expression of innate immune-related genes to resist the tissue damage. Our findings provided strong evidence of the recovery potential of fish exposed to microcystins.
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Affiliation(s)
- Chuanyue Chen
- College of Fisheries, Huazhong Agricultural University, Freshwater Aquaculture Collaborative Innovation Center of Hubei Province, Wuhan, 430070, PR China
| | - Wanjing Liu
- College of Fisheries, Huazhong Agricultural University, Freshwater Aquaculture Collaborative Innovation Center of Hubei Province, Wuhan, 430070, PR China
| | - Li Wang
- College of Fisheries, Huazhong Agricultural University, Freshwater Aquaculture Collaborative Innovation Center of Hubei Province, Wuhan, 430070, PR China
| | - Jian Li
- College of Fisheries, Huazhong Agricultural University, Freshwater Aquaculture Collaborative Innovation Center of Hubei Province, Wuhan, 430070, PR China
| | - Yuanyuan Chen
- College of Fisheries, Huazhong Agricultural University, Freshwater Aquaculture Collaborative Innovation Center of Hubei Province, Wuhan, 430070, PR China
| | - Jienan Jin
- College of Fisheries, Huazhong Agricultural University, Freshwater Aquaculture Collaborative Innovation Center of Hubei Province, Wuhan, 430070, PR China
| | - Atufa Kawan
- College of Fisheries, Huazhong Agricultural University, Freshwater Aquaculture Collaborative Innovation Center of Hubei Province, Wuhan, 430070, PR China
| | - Xuezhen Zhang
- College of Fisheries, Huazhong Agricultural University, Freshwater Aquaculture Collaborative Innovation Center of Hubei Province, Wuhan, 430070, PR China.
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Shaliutina-Kolešová A, Gazo I, Cosson J, Linhart O. Protection of common carp (Cyprinus carpio L.) spermatozoa motility under oxidative stress by antioxidants and seminal plasma. FISH PHYSIOLOGY AND BIOCHEMISTRY 2014; 40:1771-1781. [PMID: 25079247 DOI: 10.1007/s10695-014-9966-z] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/15/2014] [Accepted: 07/21/2014] [Indexed: 06/03/2023]
Abstract
The protective influence of seminal plasma and the antioxidants catalase (CAT), superoxide dismutase (SOD), and glutathione (GTH) on quality parameters, oxidative stress indices, and antioxidant activity was studied in common carp (Cyprinus carpio) spermatozoa exposed to the xanthine-xanthine oxidase (X-XO) system. Fish spermatozoa were incubated for 5 and 20 min at 4 °C with X-XO concentrations of 1 mM X-0.1 U/mL, 0.6 mM X-0.05 U/mL, 0.3 mM X-0.025 U/mL, and 0.1 mM X-0.0125 U/mL. A dose-dependent reduction in spermatozoa motility and velocity was observed at concentrations of 0.1 mM X-0.0125 U/mL to 1 mM X-0.1 U/mL XO. Increase in spermatozoa motility parameters was recorded following treatment with antioxidants and seminal plasma. The level of the oxidative stress indices lipid peroxidation (LPO) and carbonyl derivatives of proteins (CP) was significantly reduced after addition of CAT, SOD, or GTH along with seminal plasma. Significant differences in SOD, glutathione reductase, and glutathione peroxidase activity were seen in spermatozoa incubated with, compared to that without, seminal plasma at all studied X-XO concentrations. The data demonstrated that CAT, SOD, or GTH in combination with SP can reduce reactive oxygen species stress in fish spermatozoa and improve spermatozoa quality.
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Affiliation(s)
- A Shaliutina-Kolešová
- Faculty of Fisheries and Protection of Waters, South Bohemian Research Center of Aquaculture and Biodiversity of Hydrocenoses, Research Institute of Fish Culture and Hydrobiology, University of South Bohemia in Ceske Budejovice, Zátiší 728/II, 389 25, Vodňany, Czech Republic,
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11
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Kopp R, Palíková M, Navrátil S, Mareš J. Modulation of biochemical indices in common carp (Cyprinus carpio L.) under the influence of toxic cyanobacterial biomass in diet. FISH PHYSIOLOGY AND BIOCHEMISTRY 2014; 40:1651-1658. [PMID: 24972534 DOI: 10.1007/s10695-014-9955-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/05/2014] [Accepted: 06/16/2014] [Indexed: 06/03/2023]
Abstract
Cyanobacteria are producers of potent and environmentally abundant microcystins, representing an emerging global health issue. In the present study, we investigated the impact of cyanobacterial biomass on biochemical indices of common carp (Cyprinus carpio L., average weight of 246 ± 73 g) under laboratory conditions. The fish were fed a diet containing cyanobacterial biomass with microcystins in high concentration (0.4 mg/kg of fish weight and day) for 28 days. Statistical evaluation of the influence of the cyanobacterial biomass in food on the biochemical indices of the juvenile carp showed only minor differences. The activity of aspartate aminotransferase value and the urea concentration were significantly reduced compared to control group. The biochemical parameters of fish blood plasma significantly rose during the experiment in the control group as well as in the experimental group. This state was probably influenced by the environmental conditions and the fish diet. A significant rising value was established in calcium creatinine, total protein, phosphorus, lactate, urea and natrium. The present study demonstrates that the oral exposure of toxic cyanobacterial biomass has a minor influence on the biochemical indices of common carp and that the effect of other factors, e.g., nutrition is more visible.
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Affiliation(s)
- Radovan Kopp
- Department of Fishery and Hydrobiology, Faculty of Agronomy, Mendel University in Brno, Zemedelska 1, 613 00, Brno, Czech Republic,
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12
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Aramli MS. ATP content, oxidative stress and motility of beluga (Huso huso) semen: effect of short-term storage. Reprod Domest Anim 2014; 49:636-640. [PMID: 24889206 DOI: 10.1111/rda.12339] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2014] [Accepted: 04/22/2014] [Indexed: 11/26/2022]
Abstract
An effective technique for short-term storage of semen is essential when processing multiple sperm samples and when semen must be transported from collection sites to hatcheries for the fertilization of ova or to laboratories for cryopreservation. In this experiment, beluga (Huso huso) sperm were used to evaluate the effects of short-term storage on several quality parameters (i.e. motility, adenosine triphosphate (ATP) content and oxidative stress indices). Sperm cells exhibited > 50% motility during 3 days of storage with an average total duration of sperm motility varying from 13.33 ± 5.77 to 278.33 ± 25.65 s, and no motile spermatozoa were recorded after 9 days of storage. The levels of oxidative stress indices (thiobarbituric acid reactive substances and carbonyl derivatives of proteins) and antioxidant activity (superoxide dismutase) increased significantly after 3 days of storage. The ATP content also decreased significantly after 2 days of storage. The results of this study can be used to develop effective reproduction management and cryopreservation protocols for this endangered fish.
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Affiliation(s)
- M S Aramli
- Young Researchers and Elites Club, Ardabil Branch, Islamic Azad University, Ardabil, Iran
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13
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Hulak M, Gazo I, Shaliutina A, Linhartova P. In vitro effects of bisphenol A on the quality parameters, oxidative stress, DNA integrity and adenosine triphosphate content in sterlet (Acipenser ruthenus) spermatozoa. Comp Biochem Physiol C Toxicol Pharmacol 2013; 158:64-71. [PMID: 23680852 DOI: 10.1016/j.cbpc.2013.05.002] [Citation(s) in RCA: 54] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/14/2013] [Revised: 05/06/2013] [Accepted: 05/06/2013] [Indexed: 10/26/2022]
Abstract
Among endocrine disruptors, the xenoestrogen bisphenol A (BPA) deserves particular attention due to widespread human exposure. Besides hormonal effects, BPA has been suspected to be responsible for adverse effect on reproductive ability of various species. In the present study the effect of BPA on the quality parameters, oxidative stress, the DNA integrity and intracellular ATP content of sterlet (Acipenser ruthenus) spermatozoa were investigated in vitro. Fish spermatozoa were exposed to concentrations of BPA possibly occurring in nature (0.5, 1.75, 2.5, 5 and 10μg/L) for 2h. Results revealed that BPA significantly decreased spermatozoa motility and velocity of spermatozoa at concentration of BPA 2.5-10μg/L. Significant positive correlation (r=0.713, P<0.05) was found between percent motile spermatozoa and ATP content. Oxidative stress was observed at concentrations 1.75-10μg/L, as reflected by significantly higher levels of protein and lipid oxidation and superoxide dismutase activity. Intracellular ATP content of spermatozoa decreased with increasing concentrations of BPA. A dramatic increase in DNA fragmentation expressed as percent tail DNA (2.2%±0.46) and Olive tail moment (0.37±0.09 arbitrary units) was recorded at concentrations of 1.75μg/L and above. The present study confirms that concentrations of BPA that can be encountered in nature are capable to induce oxidative stress, leading to impaired sperm quality, DNA fragmentation and intracellular ATP content.
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Affiliation(s)
- Martin Hulak
- Faculty of Fisheries and Protection of Waters, Research Institute of Fish Culture and Hydrobiology, South Bohemian Research Center of Aquaculture and Biodiversity of Hydrocenoses, University of South Bohemia, Zatisi 728/II, Vodnany, Czech Republic
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14
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Shaliutina A, Hulak M, Gazo I, Linhartova P, Linhart O. Effect of short-term storage on quality parameters, DNA integrity, and oxidative stress in Russian (Acipenser gueldenstaedtii) and Siberian (Acipenser baerii) sturgeon sperm. Anim Reprod Sci 2013; 139:127-35. [PMID: 23602487 DOI: 10.1016/j.anireprosci.2013.03.006] [Citation(s) in RCA: 63] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2012] [Revised: 01/24/2013] [Accepted: 03/02/2013] [Indexed: 11/17/2022]
Abstract
The sperm of Russian sturgeon (A. gueldenstaedtii) and Siberian sturgeon (A. baerii) was used to evaluate the effects of short-term (liquid) storage on functional parameters (spermatozoa motility and velocity), DNA integrity and oxidative stress indices. Spermatozoa showed >50% motility during 6 days of storage with an average velocity of 133.12±15.4 to 87.9±11.23μm s(-1) in both species. No motile spermatozoa were recorded after nine days of storage. Analysis of Russian sturgeon sperm showed no significant differences in DNA damage expressed as percent tail DNA and Olive Tail Moment for first three days of storage. In Siberian sturgeon significant differences in DNA damage were detected after two days of storage. The level of oxidative stress indices (TBARS, CP) and antioxidant activity (SOD) increased significantly with storage time in both species. Results of this study can be utilized for successful reproduction management and cryopreservation protocols of these endangered species.
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Affiliation(s)
- Anna Shaliutina
- Faculty of Fisheries and Protection of Water, Research Institute of Fish Culture and Hydrobiology, South Bohemian Research Center of Aquaculture and Biodiversity of Hydrocenoses, University of South Bohemia, Vodnany, Czech Republic.
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15
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Sieroslawska A, Rymuszka A, Velisek J, Pawlik-Skowrońska B, Svobodova Z, Skowroński T. Effects of microcystin-containing cyanobacterial extract on hematological and biochemical parameters of common carp (Cyprinus carpio L.). FISH PHYSIOLOGY AND BIOCHEMISTRY 2012; 38:1159-1167. [PMID: 22228075 PMCID: PMC3389247 DOI: 10.1007/s10695-011-9601-1] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/07/2011] [Accepted: 12/30/2011] [Indexed: 05/06/2023]
Abstract
The aim of the study was to assess the effects of a cyanobacterial extract containing microcystins (MCs) on selected hematological and biochemical parameters in common carp (Cyprinus carpio L.), as well as to determine the accumulation of toxins in fish tissues. The fish were immersed for 5 days in water containing toxins at a final concentration of 12 μg/L of microcystin LR equivalent. Microcystin LR residues were detected in fish liver, reaching 207, 238 and 260 ng/g f.w. of the tissues taken 24 h, 72 h and 5 days after the end of intoxication, respectively. The most substantial changes were found in fish plasma, including increases in creatine kinase, lactate dehydrogenase, ammonia, glucose, aspartate aminotransferase and alanine aminotransferase levels. A decline of about 50% in lysozyme activity was observed by the end of the experimental period. Moreover, a marked increase in ceruloplasmin activity was detected 24 h after the end of intoxication with a subsequent decrease in its activity after 72 h and 5 days. This study concludes that not only consumption of food containing toxins but also MCs dissolved in water may pose a threat to fish health. Additionally, detected changes in lysozyme and ceruloplasmin activity may have distinct effects in fish resistance against pathogens or oxidative stress, which should be taken into account in the future studies.
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Affiliation(s)
- Anna Sieroslawska
- Department of Physiology and Ecotoxicology, Institute of Biotechnology, The John Paul II Catholic University of Lublin, ul. Konstantynów 1 H, 20-708, Lublin, Poland.
| | - Anna Rymuszka
- Department of Physiology and Ecotoxicology, Institute of Biotechnology, The John Paul II Catholic University of Lublin, ul. Konstantynów 1 H, 20-708, Lublin, Poland
| | - Josef Velisek
- Faculty of Fisheries and Protection of Waters, South Bohemian Research Center of Aquaculture and Biodiversity of Hydrocenoses, Research Institute of Fish Culture and Hydrobiology, University of South Bohemia in Ceske Budejovice, Zatisi 728/II, 389 25, Vodnany, Czech Republic
| | - Barbara Pawlik-Skowrońska
- Polish Academy of Sciences, Centre for Ecological Research, Experimental Station, Niecała 18/3, 20-080, Lublin, Poland
| | - Zdenka Svobodova
- Faculty of Fisheries and Protection of Waters, South Bohemian Research Center of Aquaculture and Biodiversity of Hydrocenoses, Research Institute of Fish Culture and Hydrobiology, University of South Bohemia in Ceske Budejovice, Zatisi 728/II, 389 25, Vodnany, Czech Republic
| | - Tadeusz Skowroński
- Department of Physiology and Ecotoxicology, Institute of Biotechnology, The John Paul II Catholic University of Lublin, ul. Konstantynów 1 H, 20-708, Lublin, Poland
- Polish Academy of Sciences, Centre for Ecological Research, Experimental Station, Niecała 18/3, 20-080, Lublin, Poland
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Li Y, Chen JA, Zhao Q, Pu C, Qiu Z, Zhang R, Shu W. A cross-sectional investigation of chronic exposure to microcystin in relationship to childhood liver damage in the Three Gorges Reservoir Region, China. ENVIRONMENTAL HEALTH PERSPECTIVES 2011; 119:1483-8. [PMID: 21561830 PMCID: PMC3230426 DOI: 10.1289/ehp.1002412] [Citation(s) in RCA: 57] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/08/2010] [Accepted: 05/11/2011] [Indexed: 05/03/2023]
Abstract
BACKGROUND Microcystin-producing Microcystis bloom is a severe water problem in the world. Some reports indicate that chronic exposure to microcystin may result in liver damage in adults, but information on effects in children is limited. OBJECTIVE We investigated the relationship between microcystin exposure and liver damage in children. METHODS We measured microcystin concentrations in drinking water and aquatic food (carp and duck) from two lakes and four wells. Participants were 1,322 children 7-15 years of age who obtained drinking water from one of the tested sources, completed questionnaires, and provided blood samples for serum liver enzymes [alanine aminotransferase (ALT), aspartate aminotransferase (AST), alkaline phosphatase (ALP) and γ-glutamyltransferase (GGT)] and serum microcystin analysis. Multivariable logistic regression was used to identify risk factors associated with liver damage (two or more abnormal serum enzyme levels in ALT, AST, ALP, or GGT). RESULTS Microcystin was detected in most samples of water and aquatic food from two lakes. Children who drank water from the lake with the highest microcystin concentrations had a total estimated daily microcystin intake of 2.03 μg, a value much higher than the tolerable daily intake (0.40 μg) proposed by the World Health Organization for children. Hepatitis B virus (HBV) infection, use of hepatotoxic medicines, and microcystin exposure were associated with liver damage. AST and ALP levels were significantly higher in high-microcystin-exposed children than in low-exposed children and unexposed children when participants who were HBV-positive or hepatotoxic medicine users were excluded from the analysis. CONCLUSION These results suggest that chronic exposure to microcystin may be associated with liver damage in children in the Three Gorges Reservoir Region.
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Affiliation(s)
- Yan Li
- Department of Environmental Hygiene, College of Preventive Medicine, Third Military Medical University, Chongqing, China
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Li ZH, Velisek J, Zlabek V, Grabic R, Machova J, Kolarova J, Li P, Randak T. Chronic toxicity of verapamil on juvenile rainbow trout (Oncorhynchus mykiss): effects on morphological indices, hematological parameters and antioxidant responses. JOURNAL OF HAZARDOUS MATERIALS 2011; 185:870-880. [PMID: 20970250 DOI: 10.1016/j.jhazmat.2010.09.102] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/16/2010] [Revised: 08/31/2010] [Accepted: 09/28/2010] [Indexed: 05/30/2023]
Abstract
In this study, the toxic effects of verapamil (VRP) were studied on juvenile rainbow trout, Oncorhynchus mykiss, by chronic semi-static bioassay. Fish were exposed to sublethal concentrations of VRP (0.5, 27 and 270 μg/L) for 0, 21 and 42 d. Multiple biomarkers were measured, including morphological indices, hematological parameters and antioxidant responses of different tissues (brain, gill, liver, muscle and intestine). Based on the results, there was no significant change in all parameters measured in fish exposed to VRP at environmental related concentration, but VRP-induced stress in fish exposed to higher concentrations reflected the significant changes of physiological and biochemical responses. Through principal component analysis and integrated biomarker response assessment, effects induced by VRP-stress in each test group were distinguished. Additionally, all parameters measured in this study displayed various dependent patterns to VRP concentrations and exposure time using two-way ANOVA statistic analysis. In short, the multiple responses in fish indicated that VRP induced physiological stress and could be used as potential biomarkers for monitoring residual VRP in aquatic environment; but molecular and genetic mechanisms of these physiological responses in fish are not clear and need to be further studied.
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Affiliation(s)
- Zhi-Hua Li
- Faculty of Fisheries and Protection of Waters, South Bohemian Research Center of Aquaculture and Biodiversity of Hydrocenoses,University of South Bohemia in Ceske Budejovice, Zatisi 728/II, 389 25 Vodnany, Czech Republic.
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18
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Hepatic antioxidant status and hematological parameters in rainbow trout, Oncorhynchus mykiss, after chronic exposure to carbamazepine. Chem Biol Interact 2010; 183:98-104. [DOI: 10.1016/j.cbi.2009.09.009] [Citation(s) in RCA: 119] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2009] [Revised: 09/14/2009] [Accepted: 09/15/2009] [Indexed: 11/19/2022]
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19
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Modulation of Biochemical and Haematological Indices of Silver Carp (Hypophthalmichthys molitrix Val.) Exposed to Toxic Cyanobacterial Water Bloom. ACTA VET BRNO 2010. [DOI: 10.2754/avb201079010135] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
The aim of this study was to evaluate the influence of toxic cyanobacterial water bloom on the blood indices of two-year-old silver carp (Hypophthalmichthys molitrixVal.). Experimental fish (336 ± 32 mm length, 365 ± 112 g weight) were exposed to a natural population of cyanobacterial water bloom (mainlyMicrocystis aeruginosaandM. ichthyoblabe) that contained microcystins (total concentration 133–284 μg g-1(DW), concentration in water 2.8–7.4 μg l-1). Haematological indices showed marked changes in fish exposed to the cyanobacterial population compared to the control group. Statistical evaluation of the influence of cyanobacterial water bloom on biochemical and haematological indices of silver carp showed a distinct decrease of albumin, alkaline phosphatase, cholesterol, glucose, total protein, creatinine, lactate, lactate dehydrogenase, phosphorus, iron, cholinesterase, haemoglobin, haematocrit, erythrocyte and leukocyte compared to the control. Values of alanine aminotransferase were significantly increased compared to the control. After exposure to the cyanobacterial water bloom, the silver carp were kept in pure water for monitoring the persistence of biochemical and haematological indices. Influence of the cyanobacterial population on values of albumin, alkaline phosphatase, cholesterol, total protein, glucose, creatinine, phosphorus, iron, cholinesterase, erythrocyte and haematocrit persisted up to 28 days after the end of exposure. Duration of exposure, toxicity and density of cyanobacterial water bloom had an important impact on individual biochemical and haematological indices.
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Qiu T, Xie P, Guo L, Zhang D. Plasma biochemical responses of the planktivorous filter-feeding silver carp (Hypophthalmichthys molitrix) and bighead carp (Aristichthys nobilis) to prolonged toxic cyanobacterial blooms in natural waters. ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY 2009; 27:350-6. [PMID: 21783964 DOI: 10.1016/j.etap.2008.12.001] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/22/2008] [Revised: 11/30/2008] [Accepted: 12/03/2008] [Indexed: 05/22/2023]
Abstract
The planktivorous filter-feeding silver carp (Hypophthalmichthys molitrix) and bighead carp (Aristichthys nobilis) are the attractive candidates for bio-control of plankton communities to eliminate odorous populations of cyanobacteria. However, few studies focused on the health of such fishes in natural water body with vigorous toxic blooms. Blood parameters are useful and sensitive for diagnosis of diseases and monitoring of the physiological status of fish exposed to toxicants. To evaluate the impact of toxic cyanobacterial blooms on the planktivorous fish, 12 serum chemistry variables were investigated in silver carp and bighead carp for 9 months, in a large net cage in Meiliang Bay, a hypereutrophic region of Lake Taihu. The results confirmed adverse effects of cyanobacterial blooms on two phytoplanktivorous fish, which mainly characterized with potential toxicogenomic effects and metabolism disorders in liver, and kidney dysfunction. In addition, cholestasis was intensively implied by distinct elevation of all four related biomarkers (ALP, GGT, DBIL, TBIL) in bighead carp. The combination of LDH, AST activities and DBIL, URIC contents for silver carp, and the combination of ALT, ALP activities and TBIL, DBIL, URIC concentrations for bighead carps were found to most strongly indicate toxic effects from cyanobacterial blooms in such fishes by a multivariate discriminant analysis.
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Affiliation(s)
- Tong Qiu
- Donghu Experimental Station of Lake Ecosystems, State Key Laboratory for Freshwater Ecology and Biotechnology of China, Institute of Hydrobiology, The Chinese Academy of Sciences, Wuhan 430072, PR China
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Zhang X, Xie P, Li D, Tang R, Lei H, Zhao Y. Time-dependent oxidative stress responses of crucian carp (Carassius auratus) to intraperitoneal injection of extracted microcystins. BULLETIN OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY 2009; 82:574-578. [PMID: 19252760 DOI: 10.1007/s00128-009-9671-2] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/12/2008] [Accepted: 02/10/2009] [Indexed: 05/27/2023]
Abstract
This study was conducted to investigate time-dependent changes in oxidative enzymes in liver of crucian carp after intraperitoneally injection with extracted microcystins 600 and 150 microg kg(-1) body weight. The results showed that activities of antioxidant enzymes, including superoxide dismutase, catalase, glutathione peroxidase and glutathione reductase generally exhibited a rapid increase in early phase (1-3 h post injection), but gradually decreased afterwards (12-48 h) compared with the control, with an evident time-dependent effect. These zigzag changes over time contributed a better understanding on oxidative stress caused by microcystins in fish.
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Affiliation(s)
- X Zhang
- Fisheries College of Huazhong Agricultural University, 430070, Wuhan, People's Republic of China.
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