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Dhara K, Saha S, Pal P, Chukwuka AV, Panigrahi AK, Saha NC, Faggio C. Biochemical, physiological (haematological, oxygen-consumption rate) and behavioural effects of mercury exposures on the freshwater snail, Bellamya bengalensis. Comp Biochem Physiol C Toxicol Pharmacol 2022; 251:109195. [PMID: 34597778 DOI: 10.1016/j.cbpc.2021.109195] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/22/2021] [Revised: 09/15/2021] [Accepted: 09/20/2021] [Indexed: 01/04/2023]
Abstract
The widespread occurrence of Mercury (Hg) and its derivatives in the aquatic environment and risks to the health of local populations has necessitated investigations into its toxic effects on sessile species. The toxicity of Mercury was observed sequentially from 96 h acute exposure regime (behavioural endpoints) to chronic durations (haematological and biochemical toxicity endpoints) in Bellamya bengalensis. Time-dependent lethal endpoints for acute toxicity (LC50) of mercury i.e., 24,48,72 and 96 h were estimated as 0.94, 0.88, 0.69 and 0.40 mg/l respectively. Threshold effect values i.e., LOEC (Lowest Observed Effect Concentration), NOEC (No Observed Effect Concentration) and MATC (Maximum Acceptable Toxicant Concentration) at 96 h were found to be 0.10, 0.05, 0.039 mg/l respectively. The study of oxygen consumption rate and behavioural changes during acute toxicity and haematological and biochemical responses during chronic toxicity to sublethal concentrations (10% and 20% of 96 h LC50) of mercury to the snail were also conducted. The organisms showed initial elevation at 24 h but later gradual decrease in oxygen consumption rate with the increase of concentration of mercury and time of exposure. For behavioural studies, variable test concentrations from 0.00 to 1.00 mg/l were used for 24, 48, 72 and 96 h. The crawling activity and clumping tendency decreased with the progress of time at all treatment periods and stopped ultimately at 96 h of exposure from 0.7 mg/l onwards whereas touch reflex was not observed at 96 h exposure at all treatments except at 0.09 mg/l. In haemocyte count, no significant variation was observed among control values between various exposure periods (p > 0.05) though variations were observed in sub-lethal concentrations versus control at all treatment duration (7, 14, 21, 28d, p < 0.05). In biochemical response study, the protein content in hepatopancreas of the snails treated at sublethal concentrations of mercury (10% and 20% of 96 h LC50) reduced significantly versus control after 21d of exposure (p < 0.05). In gonads, the protein content of the treated snails significantly reduced at all treatment concentrations versus control at all exposure times (p < 0.05). Based on the safe levels indicated above, the concentration of 0.01 to 0.04 ppm of mercury can be considered safe for Bellamya bengalensis and any less-hardy aquatic species. These responses elicited by our molluscan model will not only help in biomonitoring of environmental mercury contamination in water bodies but will also provide support to ecological health and risk assessment.
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Affiliation(s)
- Kishore Dhara
- Freshwater Fisheries Research & Training Centre, Directorate of Fisheries, Kulia, Kalyani, Nadia 741 235, West Bengal, India
| | - Shubhajit Saha
- Department of Zoology, Sundarban Hazi Desarat College, South 24 Parganas, 743 611, West Bengal, India
| | - Prasenjit Pal
- College of Fisheries, Central Agricultural University (I), Lembucherra, Tripura 799210, India
| | - Azubuike V Chukwuka
- National Environmental Standards and Regulations Enforcements Agency (NESREA), Osogbo, Osun State, Nigeria
| | - Asish Kumar Panigrahi
- Ecotoxicology, Fisheries and Aquaculture Extension Laboratory, Department of Zoology, University of Kalyani, Kalyani, Nadia 741 235, West Bengal, India
| | - Nimai Chandra Saha
- Fisheries and Ecotoxicology Research Laboratory, Department of Zoology, University of Burdwan, Golapbagh, Burdwan 713 104, West Bengal, India
| | - Caterina Faggio
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Messina, Italy.
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Chandhini S, Trumboo B, Jose S, Varghese T, Rajesh M, Kumar VJR. Insulin-like growth factor signalling and its significance as a biomarker in fish and shellfish research. FISH PHYSIOLOGY AND BIOCHEMISTRY 2021; 47:1011-1031. [PMID: 33987811 DOI: 10.1007/s10695-021-00961-6] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/24/2020] [Accepted: 05/04/2021] [Indexed: 06/12/2023]
Abstract
The insulin-like growth factor signalling system comprises insulin-like growth factors, insulin-like growth factor receptors and insulin-like growth factor-binding proteins. Along with the growth hormones, insulin-like growth factor signalling is very pivotal in the growth and development of all vertebrates. In fishes, insulin-like growth factors play an important role in osmoregulation, besides the neuroendocrine regulation of growth. Insulin-like growth factor concentration in plasma can assess the growth in fishes and shellfishes and therefore widely applied in nutritional research as an indicator to evaluate the performance of selected nutrients. The present review summarizes the role of insulin-like growth factor signalling in fishes and shellfishes, its significance in aquaculture and in evaluating growth, reproduction and development, and discusses the utility of this system as biomarkers for early indication of growth in aquaculture.
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Affiliation(s)
- S Chandhini
- Centre of Excellence in Sustainable Aquaculture and Aquatic Animal Health Management (CAAHM), Department of Aquaculture, Kerala University of Fisheries and Ocean Studies, Panangad, Kochi, 682506, Kerala, India
| | - Bushra Trumboo
- Centre of Excellence in Sustainable Aquaculture and Aquatic Animal Health Management (CAAHM), Department of Aquaculture, Kerala University of Fisheries and Ocean Studies, Panangad, Kochi, 682506, Kerala, India
| | - Seena Jose
- National Centre for Aquatic Animal Health, Cochin University of Science and Technology, Kochi, 682016, Kerala, India
| | - Tincy Varghese
- Fish Physiology and Biochemistry Division, ICAR-Central Institute of Fisheries Education, Off-Yari Road, Versova, Andheri (W), Mumbai, 400061, India
| | - M Rajesh
- ICAR-Directorate of Coldwater Fisheries Research, Anusandhan Bhawan, Bhimtal, 263136, Uttarakhand, India
| | - V J Rejish Kumar
- Centre of Excellence in Sustainable Aquaculture and Aquatic Animal Health Management (CAAHM), Department of Aquaculture, Kerala University of Fisheries and Ocean Studies, Panangad, Kochi, 682506, Kerala, India.
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Mottier A, Serpentini A, Dallas L, James A, Lebel JM, Costil K. In vitro effects of glyphosate-based herbicides and related adjuvants on primary culture of hemocytes from Haliotis tuberculata. FISH & SHELLFISH IMMUNOLOGY 2020; 100:1-8. [PMID: 32119910 DOI: 10.1016/j.fsi.2020.02.058] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/29/2019] [Revised: 02/01/2020] [Accepted: 02/26/2020] [Indexed: 05/24/2023]
Abstract
Glyphosate-based herbicides are among the most produced and widely-used herbicides. Studies have shown that commercial formulations and adjuvants may be more toxic to non-target organisms than the active ingredients alone, but the mechanisms of action of these chemicals remain unclear. The aim of this study was to investigate the in vitro effects of glyphosate, a commercial formulation and adjuvant alone using primary culture of hemocytes from the European abalone Haliotis tuberculata, a commonly farmed shellfish. Glyphosate was found to have negligible effects on viability, phagocytic activities and lysosome stability even with very high doses (i.e. 100 mg L-1). By contrast, greater effects on viability were observed for the commercial formulation and adjuvant alone, with EC50 values of 41.42 mg L-1 and 1.85 mg L-1, respectively. These results demonstrate that the toxic sublethal effects (i.e. phagocytic activity and destabilization of lysosomal membranes) of formulated glyphosate came from adjuvants and suggest they may be related to cell and organelle membrane destabilization.
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Affiliation(s)
- Antoine Mottier
- Normandie Université, Université de Caen Normandie, F-14032, Caen, France; BOREA (Biologie des Organismes et des Ecosystèmes Aquatiques), UCN, MNHN, UPMC, CNRS-7208, IRD-207, IBFA, Université de Caen Normandie, Esplanade de la Paix, CS 14032, 14032, Caen, Cedex 5, France
| | - Antoine Serpentini
- Normandie Université, Université de Caen Normandie, F-14032, Caen, France; BOREA (Biologie des Organismes et des Ecosystèmes Aquatiques), UCN, MNHN, UPMC, CNRS-7208, IRD-207, IBFA, Université de Caen Normandie, Esplanade de la Paix, CS 14032, 14032, Caen, Cedex 5, France
| | - Lorna Dallas
- School of Biological Sciences, University of Plymouth, Drake Circus, Plymouth, PL4 8AA, UK
| | - Adèle James
- Normandie Université, Université de Caen Normandie, F-14032, Caen, France; BOREA (Biologie des Organismes et des Ecosystèmes Aquatiques), UCN, MNHN, UPMC, CNRS-7208, IRD-207, IBFA, Université de Caen Normandie, Esplanade de la Paix, CS 14032, 14032, Caen, Cedex 5, France
| | - Jean-Marc Lebel
- Normandie Université, Université de Caen Normandie, F-14032, Caen, France; BOREA (Biologie des Organismes et des Ecosystèmes Aquatiques), UCN, MNHN, UPMC, CNRS-7208, IRD-207, IBFA, Université de Caen Normandie, Esplanade de la Paix, CS 14032, 14032, Caen, Cedex 5, France
| | - Katherine Costil
- Normandie Université, Université de Caen Normandie, F-14032, Caen, France; BOREA (Biologie des Organismes et des Ecosystèmes Aquatiques), UCN, MNHN, UPMC, CNRS-7208, IRD-207, IBFA, Université de Caen Normandie, Esplanade de la Paix, CS 14032, 14032, Caen, Cedex 5, France.
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Wang X, Wang Y. Editorial: Molecular Physiology in Molluscs. Front Physiol 2019; 10:1131. [PMID: 31555152 PMCID: PMC6743046 DOI: 10.3389/fphys.2019.01131] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2019] [Accepted: 08/16/2019] [Indexed: 01/10/2023] Open
Affiliation(s)
- Xiaotong Wang
- School of Agriculture, Ludong University, Yantai, China
| | - Youji Wang
- College of Fisheries and Life Science, Shanghai Ocean University, Shanghai, China
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Ji A, Li X, Fang S, Qin Z, Bai C, Wang C, Zhang Z. Primary culture of Zhikong scallop Chlamys farreri hemocytes as an in vitro model for studying host-pathogen interactions. DISEASES OF AQUATIC ORGANISMS 2017; 125:217-226. [PMID: 28792420 DOI: 10.3354/dao03145] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Primary cultured cells can be a useful tool in studies on physiology, virology, and toxicology. Hemocytes play an important role in animal rapid response to pathogen invasion. In this study, an appropriate medium for primary culture of hemocytes of the bivalve Chlamys farreri was developed by adding 5% fetal bovine serum and 1% C. farreri serum to Leibovitz L-15 medium. These primary cultured hemocytes were maintained for more than 40 d in vitro and were classified into 3 types: (1) granulocytes containing numerous granules in the cytoplasm, (2) hyalinocytes with no or few granules, (3) a small percentage of macrophage-like cells. Furthermore, the primary cultured hemocytes were observed to be sensitive to bacterial and viral challenges. These hemocytes could phagocytose the bacterium Vibrio anguillarum, and presented cytopathic effects on the extracellular products (ECPs) of V. anguillarum; the mRNA level of QM, which plays an important role in immune response, also significantly increased 12 h after infection. When these hemocytes were challenged with ostreid herpesvirus 1 (OsHV-1), virus particles and empty capsids in the cells infected for 48 h were observed by transmission electron microscopy, and the QM mRNA level increased significantly at 12 h and 24 h following OsHV-1 challenge. This primary culture system is available for C. farreri hemocytes which can be used in the future to study host-pathogen interactions.
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Affiliation(s)
- Aichang Ji
- Key Laboratory of Marine Genetics and Breeding (Ocean University of China), Ministry of Education, Qingdao 266003, PR China
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Ladhar-Chaabouni R, Houel T, Serpentini A, Karray S, Lebel JM, Hamza-Chaffai A. Responses of primary cultured haemocytes derived from the marine gastropod Haliotis tuberculata to an industrial effluent exposure. Cytotechnology 2016; 69:191-200. [PMID: 27957649 DOI: 10.1007/s10616-016-0050-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2016] [Accepted: 11/22/2016] [Indexed: 10/20/2022] Open
Abstract
This study assessed the responses of primary cultured haemocytes from the marine gastropod Haliotis tuberculata exposed to the increasing concentrations of industrial effluent (0, 0.5, 1, 10, 15 and 20%) discharged into the Tunisian coastal area. Analyses showed the presence of metals such as cadmium (Cd), chromium (Cr), copper (Cu), manganese (Mn), zinc (Zn), nickel (Ni) and lead (Pb) in the effluent. The effects of this mixture of pollutants on abalone haemocyte parameters were reflected by a significant decrease of cell viability, phagocytotic activity and reactive oxygen species (ROS) production as well as morphological and lysosomal membrane alterations. Thus, these results indicated that our primary culture system represents a suitable in vitro model for monitoring of anthropogenic contaminants in aquatic environments.
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Affiliation(s)
| | - Thomas Houel
- Normandie université, 14032, Caen, France.,UMR BOREA (Biologie des Organismes et des Ecosystèmes Aquatiques), MNHN, UPMC, UCBN, CNRS-7208, IRD-207, IBFA, Université de Caen Normandie, Esplanade de la Paix, 14032, Caen Cedex 5, France
| | - Antoine Serpentini
- Normandie université, 14032, Caen, France.,UMR BOREA (Biologie des Organismes et des Ecosystèmes Aquatiques), MNHN, UPMC, UCBN, CNRS-7208, IRD-207, IBFA, Université de Caen Normandie, Esplanade de la Paix, 14032, Caen Cedex 5, France
| | - Sahar Karray
- Marine Ecotoxicology UR 09-03, IPEIS, BP 805, 3018, Sfax, Tunisia
| | - Jean-Marc Lebel
- Normandie université, 14032, Caen, France.,UMR BOREA (Biologie des Organismes et des Ecosystèmes Aquatiques), MNHN, UPMC, UCBN, CNRS-7208, IRD-207, IBFA, Université de Caen Normandie, Esplanade de la Paix, 14032, Caen Cedex 5, France
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Song H, Yu ZL, Sun LN, Gao Y, Zhang T, Wang HY. De novo transcriptome sequencing and analysis of Rapana venosa from six different developmental stages using Hi-seq 2500. COMPARATIVE BIOCHEMISTRY AND PHYSIOLOGY D-GENOMICS & PROTEOMICS 2016; 17:48-57. [PMID: 26845471 DOI: 10.1016/j.cbd.2016.01.006] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 09/11/2015] [Revised: 01/16/2016] [Accepted: 01/17/2016] [Indexed: 11/26/2022]
Abstract
The carnivorous whelk Rapana venosa is regarded as a biological invader with strong ecological fitness in the United States, Argentina, France and other countries. R. venosa may seriously damage bivalve resources. Nonetheless, in China, R. venosa is an important commercial species. Larval development, especially metamorphosis, influences the natural population and industrial breeding. However, there are few studies on the early development of R. venosa, and our understanding is further limited by a lack of genomic information. In this study, de novo sequencing was performed to obtain a comprehensive transcriptome profile during early development. A Hi-seq 2500 sequencing run produced 148,737,902 raw reads that were assembled into 1,137,556 unigenes (average length of 619 nucleotides, of which 49,673 could be annotated). The unigenes were assigned to biological processes and functions after annotation in Gene Ontology, eukaryotic Ortholog Groups and Kyoto Encyclopedia of Genes and Genomes. We also identified 93,196 simple sequence repeats among the unigenes. Six unique sequences associated with neuroendocrine function were analyzed by quantitative real-time PCR. Our data represent the first comprehensive transcriptomic resource for R. venosa. Functional annotation of the unigenes involved in various biological processes could stimulate research on the mechanisms of early development in this species. Understanding the mechanism of early development and metamorphosis would benefit antifouling research and aquaculture of R. venosa.
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Affiliation(s)
- Hao Song
- Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, People's Republic of China; University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China
| | - Zheng-Lin Yu
- Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, People's Republic of China; University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China
| | - Li-Na Sun
- Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, People's Republic of China
| | - Yan Gao
- Tianjin bohai sea fisheries research institute, Tianjin 300457, People's Republic of China
| | - Tao Zhang
- Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, People's Republic of China.
| | - Hai-Yan Wang
- Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, People's Republic of China.
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Ladhar-Chaabouni R, Hamza-Chaffai A. The cell cultures and the use of haemocytes from marine molluscs for ecotoxicology assessment. Cytotechnology 2015; 68:1669-85. [PMID: 26611734 DOI: 10.1007/s10616-015-9932-3] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2015] [Accepted: 11/14/2015] [Indexed: 12/20/2022] Open
Abstract
Among aquatic organisms suitable for biological monitoring, molluscs occupy a prominent place due to their wide geographic distribution, their abundance and accessibility in the field as well as in aquaculture. Molluscs reflect the degree of environmental contamination and are the most useful bioindicator tools. The study of modulation of immune system or immunomodulation in marine molluscs has become one of the privileged ways for evaluating the physiological effects of environmental factors. Physiological responses of molluscs to environmental stresses could be mediated by haemocytes. These cells are continually exposed to the external environment due to the open circulatory system of molluscs and are affected by pollutants. In fact, several studies showed the effects of different environmental contaminants on haemocyte functions (viability, phagocytosis, ROS production) as well as on proteins involved in cytoskeletal structure maintenance using the in vitro approaches. In ecotoxicology, in vitro approach is an alternative to animal testing due to the reduced use of experimental animals, low cost and rapid performance. Although several studies showed the importance of using in vitro cell models to determine the effects of different environmental contaminants on haemocyte parameters in marine molluscs, a few reviews highlight these effects. The main purpose of this paper is to summarize the recent data on the effect of some xenobiotics on haemocyte parameters in some mollusc species and then suggest future research prospects.
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Affiliation(s)
- Rim Ladhar-Chaabouni
- Marine Ecotoxicology, UR 09-03, IPEIS BP 805, University of Sfax, 3018, Sfax, Tunisia.
| | - Amel Hamza-Chaffai
- Marine Ecotoxicology, UR 09-03, IPEIS BP 805, University of Sfax, 3018, Sfax, Tunisia
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Ladhar-Chaabouni R, Machreki-Ajmi M, Serpentini A, Lebel JM, Hamza-Chaffai A. Does a short-term exposure to cadmium chloride affects haemocyte parameters of the marine gastropod Haliotis tuberculata? ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2015; 22:17343-17349. [PMID: 25131679 DOI: 10.1007/s11356-014-3387-5] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/14/2014] [Accepted: 07/24/2014] [Indexed: 06/03/2023]
Abstract
In this study, a model based on primary cultured haemocytes from the gastropod mollusc Haliotis tuberculata was established to investigate the effects of cadmium chloride in vitro. Cells were exposed for 24 h to CdCl2 concentrations of 0, 1 and 100 μg ml(-1). The effects of cadmium on haemocyte parameters were investigated using morphological, spectrophotometric and flow cytometry analysis. Results showed that cadmium has no significant effects on cell viability and phagocytotic activity under the tested conditions. However, haemocytes became more rounded after cadmium exposure, which could explain the significant decrease of cell area beginning at 1 μg ml(-1) of CdCl2.
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Affiliation(s)
| | | | - Antoine Serpentini
- Normandie Université, 14032, Caen, France
- CNRS INEE, FRE 3,484 BioMEA, SFR ICORE, Université de Caen Basse-Normandie, Esplanade de la Paix, 14032, Caen, Cedex, France
| | - Jean-Marc Lebel
- Normandie Université, 14032, Caen, France
- CNRS INEE, FRE 3,484 BioMEA, SFR ICORE, Université de Caen Basse-Normandie, Esplanade de la Paix, 14032, Caen, Cedex, France
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Wang G, Li N, Zhang L, Zhang L, Zhang Z, Wang Y. IGFBP7 promotes hemocyte proliferation in small abalone Haliotis diversicolor, proved by dsRNA and cap mRNA exposure. Gene 2015; 571:65-70. [PMID: 26115770 DOI: 10.1016/j.gene.2015.06.051] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2014] [Revised: 05/31/2015] [Accepted: 06/18/2015] [Indexed: 12/21/2022]
Abstract
Insulin-like growth factor binding protein 7 (IGFBP7) binds IGFs with a low affinity, but in contrast, recognizes insulin with a high affinity. Many studies show that IGFBP7 involves several cellular processes of vertebrates and functions as a tumor suppressor gene in different tumors. However, the function of IGFBP7 in invertebrates is unclear. In this research, we studied the function of IGFBP7 in the proliferation of small abalone Haliotis diversicolor hemocytes by exposure to dsRNA or cap mRNA of saIGFBP7. We found that exposure to dsRNA or cap mRNA of saIGFBP7 could significantly affect the mRNA and protein expression of IGFBP7 in cultured small abalone hemocytes (p<0.05). There was a significant increase in hemocyte density and the number of adherent hemocytes after exposure to cap mRNA of saIGFBP7 (p<0.05). Similarly, exposure to dsRNA of saIGFBP7 could significantly decrease the hemocyte density and the number of adherent hemocytes (p<0.05). These findings suggest that IGFBP7 increases hemocyte growth. It is the first time to report the effect of IGFBP7 on the proliferation of marine invertebrate cells.
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Affiliation(s)
- Guodong Wang
- Key Laboratory of Healthy Mariculture for the East China Sea, Ministry of Agriculture, Fisheries College, Jimei University, Xiamen, Fujian, China, 361021
| | - Na Li
- Key Laboratory of Healthy Mariculture for the East China Sea, Ministry of Agriculture, Fisheries College, Jimei University, Xiamen, Fujian, China, 361021
| | - Lili Zhang
- Key Laboratory of Healthy Mariculture for the East China Sea, Ministry of Agriculture, Fisheries College, Jimei University, Xiamen, Fujian, China, 361021
| | - Longhui Zhang
- Key Laboratory of Healthy Mariculture for the East China Sea, Ministry of Agriculture, Fisheries College, Jimei University, Xiamen, Fujian, China, 361021
| | - Ziping Zhang
- Department of Natural Sciences and Mathematics, State University of New York at Cobleskill, NY 12043, United States
| | - Yilei Wang
- Key Laboratory of Healthy Mariculture for the East China Sea, Ministry of Agriculture, Fisheries College, Jimei University, Xiamen, Fujian, China, 361021.
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O'Neill M, Gaume B, Denis F, Auzoux-Bordenave S. Expression of biomineralisation genes in tissues and cultured cells of the abalone Haliotis tuberculata. Cytotechnology 2013; 65:737-47. [PMID: 23929462 PMCID: PMC3967616 DOI: 10.1007/s10616-013-9576-0] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2012] [Accepted: 04/22/2013] [Indexed: 11/28/2022] Open
Abstract
Mollusc shell biomineralisation involves a variety of organic macromolecules (matrix proteins and enzymes) that control calcium carbonate (CaCO3) deposition, growth of crystals, the selection of polymorph, and the microstructure of the shell. Since the mantle and the hemocytes play an important role in the control of shell formation, primary cell cultures have been developed to study the expression of three biomineralisation genes recently identified in the abalone Haliotis tuberculata: a matrix protein, Lustrin A, and two carbonic anhydrase enzymes. Mantle cells and hemocytes were successfully maintained in primary cultures and were evaluated for their viability and proliferation over time using a semi-automated assay (XTT). PCR and densitometric analysis were used to semi-quantify the gene expression and compare the level of expression in native tissues and cultured cells. The results demonstrated that the three genes of interest were being expressed in abalone tissues, with expression highest in the mantle and much lower in the hemocytes and the gills. Biomineralisation genes were also expressed significantly in mantle cells, confirming that primary cultures of target tissues are suitable models for in vitro investigation of matrix protein secretion.
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Affiliation(s)
- Matthew O'Neill
- UMR BOREA (Biologie des Organismes et Ecosystèmes Aquatiques) MNHN/CNRS-7208/IRD-207/UPMC, Muséum national d'Histoire naturelle, Station de Biologie Marine, 29900, Concarneau, France
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Dyachuk V. Extracellular matrix is required for muscle differentiation in primary cell cultures of larval Mytilus trossulus (Mollusca: Bivalvia). Cytotechnology 2013; 65:725-35. [PMID: 23657631 DOI: 10.1007/s10616-013-9577-z] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2012] [Accepted: 04/24/2013] [Indexed: 11/27/2022] Open
Abstract
Components of the extracellular matrix may modulate the growth factor effects that play important roles in the proliferation and differentiation of precursor cells. We developed an in vitro cultivation protocol for cells of the larval marine bivalve Mytilus trossulus to study the role that extracellular matrix components may play in myodifferentiation and replication-mediated DNA synthesis using immunofluorescence and confocal laser scanning microscopy. Here, we demonstrate that the extracellular matrix regulates the expression of muscle proteins, leading to their assembly and the terminal muscle differentiation of larval cells during cultivation. We further show that the myogenesis process progresses in cells cultivated on fibronectin, carbon or poly-L-lysine but is inhibited in cells grown on a collagen carpet. Consistent with a decrease in muscle protein expression in cells cultivated on collagen, we demonstrate an increase in the number of BrdU-positive cells in comparison with cells cultured on other substrates during the entire cultivation period. Moreover, we demonstrate that the matrix-dependent myogenic differentiation of larval mussel cells is reversible. Round-shaped cells cultivated on collagen were able to differentiate into muscle cells after reseeding on fibronectin, carbon or poly-L-lysine. In addition, cells cultured on collagen and then transplanted to fibronectin exhibited distinct cross-striation and contractile activity. Taken together, our data suggest that the extracellular matrix participates in the regulation of the proliferation and myodifferentiation of mussel trochophore progenitor cells and validate novel approaches for successfully culturing cells from bivalves over extended periods.
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Affiliation(s)
- Vyacheslav Dyachuk
- A.V. Zhirmunsky Institute of Marine Biology, Far Eastern Branch of the Russian Academy of Sciences, Palchevsky St. 17, 690059, Vladivostok, Russia,
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Latire T, Le Pabic C, Mottin E, Mottier A, Costil K, Koueta N, Lebel JM, Serpentini A. Responses of primary cultured haemocytes from the marine gastropod Haliotis tuberculata under 10-day exposure to cadmium chloride. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2012; 109:213-221. [PMID: 22018399 DOI: 10.1016/j.aquatox.2011.09.017] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/24/2011] [Revised: 09/21/2011] [Accepted: 09/27/2011] [Indexed: 05/31/2023]
Abstract
Among metals, cadmium, a non-essential element, is an important pollutant that is released into aquatic environments. Due to its persistence and bioaccumulation, this metal has been shown to exert immunological effects on organisms. The objective of the present study was to investigate the in vitro effects of cadmium chloride using a haemocyte primary culture from the European abalone, Haliotis tuberculata. Most studies have maintained viable haemocytes in vitro for periods ranging from several hours to several days during acute exposures. Few investigations have reported the effects of metals using longer in vitro exposures, which are more realistic with regard to mimicking environmental conditions. In this study, we exposed abalone haemocytes to concentrations from 0.5 to 50,000 μgL(-1) of CdCl2 for 10 days. The effects of cadmium chloride were reflected in a significant decrease in the number of viable cells and morphological modifications in a concentration-dependent manner beginning at a concentration of 500 μgL(-1) as well as in some physiological processes, such as phagocytotic activity and the number of lysosome-positive cells. In contrast, phenoloxidase (PO) activity and reactive oxygen species (ROS) production were increased beginning at a concentration of 5 μgL(-1), which is consistent with environmental concentrations in polluted sites. For PO activity and ROS production, maximally 9-fold and 130% inductions, respectively, were recorded under the highest dose. These results thus indicate that cadmium chloride alters immune parameters of abalone haemocytes and that the long-term (10 days) primary culture system used here represents a suitable, sensitive in vitro model for assessing cytotoxic responses.
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Affiliation(s)
- Thomas Latire
- UMR 100 IFREMER Physiologie et Ecophysiologie des Mollusques Marins--IFR 146 ICORE--IBFA--Université de Caen Basse-Normandie, Campus 1, Science C, Esplanade de la Paix, 14032 Caen cedex, France
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14
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van der Merwe M, Franchini P, Roodt-Wilding R. Differential growth-related gene expression in abalone (Haliotis midae). MARINE BIOTECHNOLOGY (NEW YORK, N.Y.) 2011; 13:1125-1139. [PMID: 21533523 DOI: 10.1007/s10126-011-9376-5] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/19/2010] [Accepted: 03/29/2011] [Indexed: 05/30/2023]
Abstract
The slow growth rate of Haliotis midae impedes the optimal commercial production of this most profitable South African aquaculture species. To date, no comprehensive effort has been made to identify genes associated with growth variation in farmed H. midae. The aim of this study was therefore to investigate growth variation in H. midae and to identify and quantify the expression of selected growth-related genes. Towards this aim, molecular methodologies and cell cultures were combined as a time-efficient and economical way of studying abalone transcriptomics and cell biology. Modern Illumina sequencing-by-synthesis technology and subsequent sequence annotation were used to elucidate differential gene expression between two sibling groups of abalone demonstrating significant growth variation. The expression of selected target genes involved in growth was subsequently analysed by quantitative real-time PCR (qPCR). Fast- and slow-growing abalone and in vitro primary haemocyte cultures treated with different growth-stimulating factors were used. The results obtained from transcriptome analysis and qPCR revealed significant differences in gene expression between large and small abalone, and between treated and untreated haemocyte cell cultures. Throughout in vivo and in vitro qPCR experiments, the up-regulation of genes involved in the insulin signalling pathway suggests that insulin may be involved in enhanced growth rate for various H. midae tissues.
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Affiliation(s)
- Mathilde van der Merwe
- Molecular Aquatic Research Group, Department of Genetics, Stellenbosch University, Private Bag X1, Matieland 7602, South Africa
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15
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Huan P, Wang H, Liu B. Comparative proteomic analysis of challenged Zhikong scallop (Chlamys farreri): a new insight into the anti-Vibrio immune response of marine bivalves. FISH & SHELLFISH IMMUNOLOGY 2011; 31:1186-92. [PMID: 22019832 DOI: 10.1016/j.fsi.2011.10.014] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/28/2011] [Revised: 05/12/2011] [Accepted: 10/11/2011] [Indexed: 05/15/2023]
Abstract
The current studies on molecular mechanism of bivalves interacting with bacteria are mainly on mRNA and recombinant protein levels. These works provide little information on natural proteins, which limit further understandings. In this study, we conducted a pioneer work to promote researches on the anti-Vibrio immune response of Zhikong Scallop Chlamys farreri through proteomic techniques. Firstly a reference map was constructed for the hepatopancreas of C. farreri. Totally 65 protein spots were included in the reference map, while 46 of them were identified. Gene ontology analysis revealed high activities of metabolism and immunity in hepatopancreas. Furthermore, hepatopancreas of C. farreri injected with Vibrio harveyi at 24 h post-injection (hpi) were used for comparative proteomic analysis. Totally 27 differentially expressed proteins spots after challenge were screened; and 15 were successfully identified. These proteins include some immune-related proteins, metabolism enzymes, and new molecules which were not paid attentions in previous immunity studies in C. farreri. The results indicated that molecular chaperons and the antioxidant system are key elements in the anti-Vibrio immune response of hepatopancreas of C. farreri. The identification of new molecules provides indications for further studies. The results of this work provide a new insight into the anti-Vibrio immune response of marine bivalves.
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Affiliation(s)
- Pin Huan
- Key Laboratory of Experimental Marine Biology, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China
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16
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Fleury C, Serpentini A, Kypriotou M, Renard E, Galéra P, Lebel JM. Characterization of a non-fibrillar-related collagen in the mollusc Haliotis tuberculata and its biological activity on human dermal fibroblasts. MARINE BIOTECHNOLOGY (NEW YORK, N.Y.) 2011; 13:1003-1016. [PMID: 21271271 DOI: 10.1007/s10126-011-9364-9] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/16/2010] [Accepted: 01/07/2011] [Indexed: 05/30/2023]
Abstract
In invertebrates, members of the collagen family have been found in various phyla. Surprisingly, in mollusc, little is known about such molecules. In this study, we characterize the full-length abalone type IV collagen and we analysed its biological effects on human fibroblast in order to gain insights about this molecule in molluscs and particularly clues about its roles. We screened a cDNA library of Haliotis tuberculata hemocytes. The expression pattern of the transcript is determined using real-time polymerase chain reaction and in situ hybridization. The close identity between α1(IV) C-terminal domain and the vertebrate homologue led us to produce, purify and test in vitro a recombinant protein corresponding to this region using human dermal fibroblasts cell culture. The biological effects were evaluated on proliferation and on differentiation. We found that the 5,334-bp open reading frame transcript encodes a protein of 1,777 amino acids, including an interrupted 1,502-residue collagenous domain and a 232-residue C-terminal non-collagenous domain. The expression pattern of this transcript is mainly found in the mantle and hemocytes. The recombinant protein corresponding α1(IV) C-terminal domain increased fibroblast proliferation by 69% and doubled collagen synthesis produced in primary cultures. This work provides the first complete primary structure of a mollusc non-fibrillar collagen chain and the biological effects of its C-terminal domain on human cells. In this study, we prove that the NC1 domain from a molluscan collagen can improve human fibroblast proliferation as well as differentiation.
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Affiliation(s)
- Christophe Fleury
- UMR 100 IFREMER Physiologie et Ecophysiologie des Mollusques Marins-IFR 146 ICORE-IBFA-Esplanade de la Paix, Université de Caen Basse-normandie, 14032, Caen, France
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17
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Investigating the establishment of primary cell culture from different abalone (Haliotis midae) tissues. Cytotechnology 2010; 62:265-77. [PMID: 20680682 DOI: 10.1007/s10616-010-9293-x] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2010] [Accepted: 07/24/2010] [Indexed: 10/19/2022] Open
Abstract
The abalone, Haliotis midae, is the most valuable commodity in South African aquaculture. The increasing demand for marine shellfish has stimulated research on the biology and physiology of target species in order to improve knowledge on growth, nutritional requirements and pathogen identification. The slow growth rate and long generation time of abalone restrict efficient design of in vivo experiments. Therefore, in vitro systems present an attractive alternative for short term experimentation. The use of marine invertebrate cell cultures as a standardised and controlled system to study growth, endocrinology and disease contributes to the understanding of the biology of economically important molluscs. This paper investigates the suitability of two different H. midae tissues, larval and haemocyte, for establishing primary cell cultures. Cell cultures are assessed in terms of culture initiation, cell yield, longevity and susceptibility to contamination. Haliotis midae haemocytes are shown to be a more feasible tissue for primary cell culture as it could be maintained without contamination more readily than larval cell cultures. The usefulness of short term primary haemocyte cultures is demonstrated here with a growth factor trial. Haemocyte cultures can furthermore be used to relate phenotypic changes at the cellular level to changes in gene expression at the molecular level.
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18
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Hermann PM, Nicol JJ, Bulloch AGM, Wildering WC. RGD-dependent mechanisms in the endoneurial phagocyte response and axonal regeneration in the nervous system of the snail Lymnaea stagnalis. ACTA ACUST UNITED AC 2008; 211:491-501. [PMID: 18245625 DOI: 10.1242/jeb.013102] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Activation of phagocytic cells in the injury zone is a crucial step in the regeneration of peripheral axons. Many aspects of the mechanisms underlying the recruitment of active phagocytes remain, however, unclear. Notably, our understanding of the interactions between injury, extracellular matrix (ECM) degradation and phagocyte activation is limited. Most animal cell types, phagocytes included, interact with proteins of the ECM through one or more members of the integrin family, transmembrane cell adhesion receptors that typically bind their ligands through short linear amino acid sequences. This study focused on the role of one of the most common of such integrin recognition sequences, the Arg-Gly-Asp (RGD) motif in the recruitment and activation of endoneurial phagocytes in the injury response of the nervous system of the pond snail Lymnaea stagnalis. Like the mammalian nervous system, the Lymnaea nervous system responds to injury with recruitment and activation of endoneurial phagocytes (i.e. phagocytes residing in Lymnaea's nerves), a process involving substantial changes in the morphology, motility and adhesion status of these cells. Using synthetic water-soluble RGD-peptides, we investigated the relevance of RGD-dependent mechanisms in the activation of endoneurial phagocytes and injury response of the organ-cultured nervous system of Lymnaea. Our results show that RGD-peptides modulate various aspects of phagocyte activation (i.e. spreading response, particle engulfment, oxidative burst) in vitro and in situ and significantly affect nerve regeneration in this model system. Surprisingly, while linear RGD-analogues suppressed both phagocyte activation and axonal regeneration, a circularized RGD-peptide analogue modulated these parameters in a concentration-dependent, biphasic manner. Collectively, these results emphasize the significance of RGD-dependent mechanisms in the regenerative response of the Lymnaea nervous system and implicate regulation of the cellular immune response as one of the factors in this context.
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Affiliation(s)
- Petra M Hermann
- Department of Biological Sciences, Faculty of Science, University of Calgary, Calgary, Alberta, Canada, T2N 1N4
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19
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Marin F, Luquet G, Marie B, Medakovic D. Molluscan shell proteins: primary structure, origin, and evolution. Curr Top Dev Biol 2007; 80:209-76. [PMID: 17950376 DOI: 10.1016/s0070-2153(07)80006-8] [Citation(s) in RCA: 290] [Impact Index Per Article: 17.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/04/2022]
Abstract
In the last few years, the field of molluscan biomineralization has known a tremendous mutation, regarding fundamental concepts on biomineralization regulation as well as regarding the methods of investigation. The most recent advances deal more particularly with the structure of shell biominerals at nanoscale and the identification of an increasing number of shell matrix protein components. Although the matrix is quantitatively a minor constituent in the shell of mollusks (less than 5% w/w), it is, however, the major component that controls different aspects of the shell formation processes: synthesis of transient amorphous minerals and evolution to crystalline phases, choice of the calcium carbonate polymorph (calcite vs aragonite), organization of crystallites in complex shell textures (microstructures). Until recently, the classical paradigm in molluscan shell biomineralization was to consider that the control of shell synthesis was performed primarily by two antagonistic mechanisms: crystal nucleation and growth inhibition. New concepts and emerging models try now to translate a more complex reality, which is remarkably illustrated by the wide variety of shell proteins, characterized since the mid-1990s, and described in this chapter. These proteins cover a broad spectrum of pI, from very acidic to very basic. The primary structure of a number of them is composed of different modules, suggesting that these proteins are multifunctional. Some of them exhibit enzymatic activities. Others may be involved in cell signaling. The oldness of shell proteins is discussed, in relation with the Cambrian appearance of the mollusks as a mineralizing phylum and with the Phanerozoic evolution of this group. Nowadays, the extracellular calcifying shell matrix appears as a whole integrated system, which regulates protein-mineral and protein-protein interactions as well as feedback interactions between the biominerals and the calcifying epithelium that synthesized them. Consequently, the molluscan shell matrix may be a source of bioactive molecules that would offer interesting perspectives in biomaterials and biomedical fields.
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Affiliation(s)
- Frédéric Marin
- UMR CNRS 5561 Biogéosciences, Université de Bourgogne 6 Boulevard Gabriel, 21000 DIJON, France
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20
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Farcy E, Serpentini A, Fiévet B, Lebel JM. Identification of cDNAs encoding HSP70 and HSP90 in the abalone Haliotis tuberculata: Transcriptional induction in response to thermal stress in hemocyte primary culture. Comp Biochem Physiol B Biochem Mol Biol 2006; 146:540-50. [PMID: 17275376 DOI: 10.1016/j.cbpb.2006.12.006] [Citation(s) in RCA: 105] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2006] [Revised: 11/30/2006] [Accepted: 12/01/2006] [Indexed: 11/17/2022]
Abstract
Heat-shock proteins are a multigene family of proteins whose expression is induced by a variety of stress factors. This work reports the cloning and sequencing of HSP70 and HSP90 cDNAs in the gastropod Haliotis tuberculata. The deduced amino acid sequences of both HSP70 and HSP90 from H. tuberculata shared a high degree of homology with their homologues in other species, including typical eukaryotic HSP70 and HSP90 signature sequences. We examined their transcription expression pattern in abalone hemocytes exposed to thermal stress. Real-time PCR analysis indicated that both HSP70 and HSP90 mRNA were expressed in control animals but rapidly increased after heat-shock.
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Affiliation(s)
- Emilie Farcy
- Laboratoire de Biologie et Biotechnologies Marines-UMR 100 Ifremer, Université de Caen Basse-Normandie.-Esplanade de la Paix-14032 Caen cedex, France
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21
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Xiong X, Chen L, Li Y, Xie L, Zhang R. Pf-ALMP, a novel astacin-like metalloproteinase with cysteine arrays, is abundant in hemocytes of pearl oyster Pinctada fucata. ACTA ACUST UNITED AC 2006; 1759:526-34. [PMID: 17207871 DOI: 10.1016/j.bbaexp.2006.09.006] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2006] [Revised: 09/28/2006] [Accepted: 09/28/2006] [Indexed: 10/24/2022]
Abstract
The astacin family metalloproteinase is a family of zinc-dependent endopeptidases which play crucial roles in embryonic development, bone growth and morphogenesis. A cDNA clone encoding a putative astacin-like metalloproteinase (pf-ALMP) was isolated from hemocytes of pearl oyster, Pinctada fucata. The novel metalloproteinase presents a molecular organization close to the astacins, but has a novel C-terminal domain with cysteine arrays. RT-PCR analysis revealed that pf-ALMP was expressed dramatically high in hemocytes, which was affected by lipopolysaccharides (LPS) challenge. High expression of pf-ALMP was also found in gill, gonad and digestion gland, and in situ hybridization demonstrated that pf-ALMP was expressed in the epithelia cells of these tissues. Substrate analysis studies indicated that the recombinant pf-ALMP catalytic domain could digest gelatin. Interestingly, the pf-ALMP also could be involved in cell proliferation processes and the cysteine arrays were necessary for the proliferative activity. Taken together, these studies also help to further understand the functions of astacins which may be related to the processes of molluscan inflammatory response, embryo development, proliferation and shell formation.
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Affiliation(s)
- Xunhao Xiong
- Institute of Marine Biotechnology, Department of Biological Science and Biotechnology, Tsinghua University, Beijing, 100084, China
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22
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Rinkevich B. Marine invertebrate cell cultures: new millennium trends. MARINE BIOTECHNOLOGY (NEW YORK, N.Y.) 2005; 7:429-39. [PMID: 16132466 DOI: 10.1007/s10126-004-0108-y] [Citation(s) in RCA: 67] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/26/2004] [Accepted: 05/07/2005] [Indexed: 05/04/2023]
Abstract
This review analyzes activities in the field of marine invertebrate cell culture during the years 1999 to 2004 and compares the outcomes with those of the preceding decade (1988 to 1998). During the last 5 years, 90 reports of primary cell culture studies of marine organisms belonging to only 6 taxa (Porifera, Cnidaria, Crustacea, Mollusca, Echinodermata, and Urochordata) have been published. This figure represents a 2-fold increase in the annual number of publications over the decade 1988 to 1998. Three other trends distinguish the two reviewed periods. First, in recent years studies attempting to improve cell culture methodologies have decreased, while interest in applications of already existing methodologies has increased. This reflects the effects of short-term cultures in attracting new researchers and scientific disciplines to the field. Second, only 17.8% of the recent publications used long-term cultures, compared with 30.0% of the publications in the previous decade. Third, during recent years research in cell cultures has studied fewer model species more extensively (mainly, Botryllus schlosseri, Crassostrea, Mytilus, Penaeus, and Suberites domuncula), signifying a shift from previous investigations that had studied a more diverse range of organisms. From 1988 to 1998 the phylum Mollusca was the most studied taxon (34.4%), but recent years have seen more studies of Porifera and Crustacea (30.0% and 32.2% of publications) than of Mollusca (21.1%). Still, not even a single established cell line from any marine invertebrate has yet been made available. However, the use of new cellular, genomic, and proteomic tools may fundamentally change our strategy for the development of cell cultures from marine invertebrates.
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Affiliation(s)
- Baruch Rinkevich
- Israel Oceanographic and Limnological Research, National Institute of Oceanography, Tel-Shikmona, P.O. Box 8030, Haifa, 31080, Israel.
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23
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Gricourt L, Bonnec G, Boujard D, Mathieu M, Kellner K. Insulin-like system and growth regulation in the Pacific oyster Crassostrea gigas: hrIGF-1 effect on protein synthesis of mantle edge cells and expression of an homologous insulin receptor-related receptor. Gen Comp Endocrinol 2003; 134:44-56. [PMID: 13129502 DOI: 10.1016/s0016-6480(03)00217-x] [Citation(s) in RCA: 70] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
The involvement of molecules belonging to the insulin/IGF family in regulation of growth has been investigated in the Pacific oyster Crassostrea gigas. In vitro biological effects of human recombinant IGF-1 (hrIGF-1) on mantle edge cells, involved in oyster shell and soft body growth, were studied over an annual cycle. In mantle edge cells hrIGF-1 stimulates protein synthesis of 56+/-5.1% over basal for 10(-10) M in September with in addition a clear dose-effect corresponding to the highest shell growth period, and 57.5+/-3.45% over basal for 10(-11) M in March and 51+/-5.4% over basal for 10(-10) M in April corresponding to the period of mantle growth. These insulin-like effects were associated with the expression of a recently identified C. gigas insulin receptor-related receptor (CIR) in mantle edge cells as demonstrated by RT-PCR. Moreover, in situ hybridisation (ISH) confirmed this expression at the level of the inner and outer epithelia involved in mantle growth and shell formation.
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Affiliation(s)
- L Gricourt
- Laboratoire de Biologie et Biotechnologies Marines, EA 962, UMR IFREMER Physiologie et Ecophysiologie des Mollusques Marins, Université de Caen Basse-Normandie, Caen Cedex 14032, France
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24
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Ziegler G, Paynter K, Fisher D. Matrix metalloproteinase-like activity from hemocytes of the eastern oyster, Crassostrea virginica. Comp Biochem Physiol B Biochem Mol Biol 2002; 131:361-70. [PMID: 11959018 DOI: 10.1016/s1095-6433(01)00518-9] [Citation(s) in RCA: 20] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Abstract
Investigation of oyster blood cell lysate revealed one prominent band of proteolytic activity when analyzed using gelatin and collagen impregnated polyacrylamide gel electrophoresis. The proteolytic activity was inhibited by 1,10 phenanthroline and EDTA, but not by other proteinase inhibitors. Maximal activity was shown at pH 8.2 and the molecular weight of the protein responsible for the activity was estimated to be 68 kDa. Proteolytic activity was also measured by fluorescence assays containing hemocyte lysate and fluorescein-labeled gelatin, type I or type IV collagen. Characteristics of this proteolytic activity suggest that an invertebrate matrix metalloproteinase is responsible.
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Affiliation(s)
- G Ziegler
- Marine, Estuarine, Environmental Sciences, University of Maryland, College Park, MD 20742, USA
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25
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Poncet JM, Serpentini A, Boucaud-Camou E, Lebel JM. Cryopreservation of mantle dissociated cells from Haliotis tuberculata (Gastropoda) and postthawed primary cell cultures. Cryobiology 2002; 44:38-45. [PMID: 12061846 DOI: 10.1016/s0011-2240(02)00001-9] [Citation(s) in RCA: 18] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
Dissociated mantle cells from the gastropod mollusc Haliotis tuberculata were cultured after a freezing-thawing procedure using either 10% dimethyl sulfoxide (Me(2)SO) or 10% glycerol (Gly) as a cryoprotector. The survival rate of 2-day-old cultured cryopreserved cells after thawing, based on analysis of DNA and protein contents, was nearly 80% in comparison with 2-day-old cultured fresh cells. Cells thawed after cryopreservation exhibited the maintenance of all tested physiological activities. Metabolic activity (measured by the MTT test) and the activity of alkaline phosphatase (a plasma membrane-bound enzyme) were not decreased in comparison to those in cultured fresh cells. In addition, cryopreserved cultured cells maintained a physiological stimulation ability in response to treatment with growth factors. These results taken together represent one of the most convincing demonstrations of the survival and of the recovery of intact functional activities of molluscan cells after a freeze-thawing procedure. Our results suggest that in the future primary cultures of cryopreserved mantle cells will be able to be used for fundamental research, in toxicity tests, or in the field of biotechnology.
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Affiliation(s)
- J-M Poncet
- Laboratoire de Biologie et Biotechnologies Marines, IBBA, IFREMER, Université de Caen, Esplanade de la Paix, 14032 Caen Cedex, France
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26
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Mannello F, Canesi L, Gazzanelli G, Gallo G. Biochemical properties of metalloproteinases from the hemolymph of the mussel Mytilus galloprovincialis Lam. Comp Biochem Physiol B Biochem Mol Biol 2001; 128:507-15. [PMID: 11250546 DOI: 10.1016/s1096-4959(00)00352-3] [Citation(s) in RCA: 20] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
The expression of matrix metalloproteinases (MMP) with gelatinase activity was found in the whole hemolymph of the marine mussel Mytilus galloprovincialis Lam. Cleavage activity was specific for gelatin; very little activity towards human type-IV collagen, and no activity for cold fish gelatin, casein or bovine serum albumin were detected. EDTA and 1,10-phenanthroline were inhibitory, suggesting that mussel MMPs require divalent cations for their proteolytic activity; in fact, the presence of exogenously added divalent ions significantly protected the MMPs from inhibition. No inhibition was detected with serine or cysteine proteinase inhibitors. The specific vertebrate inhibitors as well as the classical vertebrate activator of MMPs were without effect, whereas sulphydryl reducing agents had a strong inhibitory effect. Mussel MMPs showed an exponential curve of thermal-dependent decay that was not protected by the presence of metal ions. Overall the results indicate both similarities and differences between invertebrate and vertebrate gelatinases, providing information for understanding the biological role of these ancient proteinases.
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Affiliation(s)
- F Mannello
- Istituto di Istologia ed Analisi di Laboratorio, Facoltà di Scienze Matematiche, Fisiche e Naturali, Libera Università degli Studi, Via E. Zeppi, 61029 Urbino (PU), Italy.
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