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Gambardella C, Marcellini F, Falugi C, Varrella S, Corinaldesi C. Early-stage anomalies in the sea urchin (Paracentrotus lividus) as bioindicators of multiple stressors in the marine environment: Overview and future perspectives. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2021; 287:117608. [PMID: 34182396 DOI: 10.1016/j.envpol.2021.117608] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/04/2021] [Revised: 06/07/2021] [Accepted: 06/14/2021] [Indexed: 06/13/2023]
Abstract
The morphological anomalies of the early development stages of the sea urchin Paracentrotus lividus, caused by exposure to environmental stressors, are used as biomarker in ecotoxicological and ecological investigations. Here, we reviewed the available literature and classified the embryo and larval anomalies identified so far, to highlight potential commonalities or differences related to the biological action of the different stressors and their ecological impact. Morphological anomalies are influenced by a) the developmental stage of exposure to stressors; b) the intensity of the stress; c) the intra- and inter-cellular mechanisms affected by the exposure to environmental agents. The classification and analysis of embryo and larvae anomalies, either observed by the authors of this review and reported in literature, indicate that sea urchin abnormalities, caused by exposure to different stressors, can be very similar among them and classified into 18 main types, which can occur individually or mixed. All anomalies can be used to calculate an Index of Contaminant Impact to assess the impact of multiple stressors and to identify relationships between morphological anomalies and compromised biological mechanisms. This approach could be useful for a first screening of the presence of potential stressors impairing the growth and development of the early life stages of marine organisms, thus providing a relevant advancement for in future monitoring activities devoted to assess the health status in coastal marine ecosystems.
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Affiliation(s)
- Chiara Gambardella
- Consiglio Nazionale Delle Ricerche - Istituto per Lo Studio Degli Impatti Antropici e Sostenibilità in Ambiente Marino (CNR-IAS), Via de Marini 6, 16149, Genova, Italy
| | | | - Carla Falugi
- Dipartimento di Scienze Della Vita e Dell'Ambiente, Università Politecnica Delle Marche, Via Brecce Bianche, 60131, Ancona, Italy
| | - Stefano Varrella
- Dipartimento di Scienze e Ingegneria Della Materia, Dell'Ambiente e Urbanistica, Università Politecnica Delle Marche, Via Brecce Bianche, 60131, Ancona, Italy
| | - Cinzia Corinaldesi
- Dipartimento di Scienze e Ingegneria Della Materia, Dell'Ambiente e Urbanistica, Università Politecnica Delle Marche, Via Brecce Bianche, 60131, Ancona, Italy.
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Soleimani S, Mashjoor S, Mitra S, Yousefzadi M, Rezadoost H. Coelomic fluid of Echinometra mathaei: The new prospects for medicinal antioxidants. FISH & SHELLFISH IMMUNOLOGY 2021; 117:311-319. [PMID: 34418558 DOI: 10.1016/j.fsi.2021.08.012] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/30/2021] [Revised: 08/13/2021] [Accepted: 08/16/2021] [Indexed: 06/13/2023]
Abstract
Echinoid pigments have various biological properties such as antioxidant, cytotoxic, and antibacterial activities. We aimed to evaluate the extraction of cell-free coelomic fluid (CFCF) and coelomocyte lysate (CL) as well as qualitatively and quantitatively identify the coelomic fluid of Echinometra mathaei as a new source of polyhydroxylatednaphthoquinone (PHNQ) antioxidant pigments. Based on the High Performance liquid chromatography-electrospray mass spectrometry (HPLC-MS) analysis in negative mode, the main quinonoid (PHNQ) pigments were identified and quantified. This study also illustrated the total ion current chromatograms and related mass spectra of Spinochrome A, Spinochrome B, Spinochrome C, and Echinochrome A in CL and SpinochromeC in CFCF samples. The ions at 221, 279, 265 and 263 m/z correspond to the pseudo-molecular [M - H] ions of Spinochrome B, Spinochrome C, Echinochrome A, and Spinochrome A, respectively. These components have previously been noted from the shells and spines of sea urchins but identification of PHNQs pigments in CL and CFCF of E. mathaei using LC-MS was introduced for the first time. The results also showed that, the highest DPPH radical scavenging activity of CFCF (88.12 DPPH% scavenging at 70 μg/mL, IC50 = <10 μg/mL). The findings clearly suggest that the coelomic fluid of E. mathaei could be served as the promising as well as potential natural antioxidants in the medical and pharmaceutical industries and could replace the increasing prices of the commercial antioxidants products.
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Affiliation(s)
- Soolmaz Soleimani
- Department of Marine Biology, Faculty of Marine Science and Technology, University of Hormozgan, Bandar Abbas, Iran
| | - Sakineh Mashjoor
- Department of Marine Biology, Faculty of Marine Science and Technology, University of Hormozgan, Bandar Abbas, Iran; Marine Pharmaceutical Science Research Center, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran.
| | - Soumita Mitra
- Department of Marine Science, University of Calcutta, Calcutta, India
| | - Morteza Yousefzadi
- Department of Marine Biology, Faculty of Marine Science and Technology, University of Hormozgan, Bandar Abbas, Iran; Department of Biology, Faculty of Science, University of Qom, Qom, Iran.
| | - Hassan Rezadoost
- Department of Phytochemistry, Medicinal Plants and Drugs Research Institute, ShahidBeheshti University, GC, Tehran, Iran
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Colvin MA, Kowal KR, Hayman NT, Stransky C, VanVoorhis J, Carlson S, Rosen G. Pulsed exposure toxicity testing: Baseline evaluations and considerations using copper and zinc with two marine species. CHEMOSPHERE 2021; 277:130323. [PMID: 33794432 DOI: 10.1016/j.chemosphere.2021.130323] [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: 12/17/2020] [Revised: 03/15/2021] [Accepted: 03/16/2021] [Indexed: 06/12/2023]
Abstract
Methods to assess environmental impacts from episodic discharges on receiving water bodies need a more environmentally relevant and scientifically defensible toxicity test design. Many permittees are regularly required to conduct 96-h toxicity tests on discharges associated with events that are generally less than 24 h in duration. Current standardized methods do not adequately reflect these episodic discharge conditions at either the point of compliance nor as it mixes with the receiving environment. In order to evaluate more representative biological effects, an alternative toxicity approach is described incorporating pulsed exposures of effluents and subsequent transfer of test organisms to clean water for the remainder of the test. This pulsed exposure protocol incorporates a slight modification to USEPA Whole Effluent Toxicity (WET) chronic and acute methods for two marine species, purple sea urchin embryos, Strongylocentrotus purpuratus, and juvenile mysid shrimp Americamysis bahia. Tests were performed with toxicants using standard static (96 h) and pulsed (6, 12, and 26 h) exposures. Following pulsed exposures, organisms were transferred to uncontaminated seawater for the remainder of the 96-h test period. Results for these species and endpoints indicated that the sensitivity of these species to copper and zinc were up to two orders of magnitude greater using standard continuous exposures compared to shorter pulsed exposures. Additional considerations assessed included timing of the onset of a pulse and latent effects following an exposure. This modified approach requires minimal modification to current standard methods and increases the realism to more accurately assess toxic effects resulting from episodic discharges.
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Affiliation(s)
- Marienne A Colvin
- Naval Information Warfare Center Pacific (NIWC Pacific), Energy and Environmental Sustainability, Code 71760, 53560 Hull St., San Diego, CA, 92152-5001, USA.
| | - Katherine R Kowal
- San Diego State University Research Foundation (SDSURF), 5250 Campanile Dr, San Diego, CA, 92182, USA
| | - Nicholas T Hayman
- Naval Information Warfare Center Pacific (NIWC Pacific), Energy and Environmental Sustainability, Code 71760, 53560 Hull St., San Diego, CA, 92152-5001, USA
| | - Chris Stransky
- Wood Environment & Infrastructure Solutions, Inc. Aquatic Toxicology Laboratory, 4905 Morena Blvd. Suite 1304, San Diego, CA, 92117, USA
| | - Jeff VanVoorhis
- Wood Environment & Infrastructure Solutions, Inc. Aquatic Toxicology Laboratory, 4905 Morena Blvd. Suite 1304, San Diego, CA, 92117, USA
| | - Steve Carlson
- Wood Environment & Infrastructure Solutions, Inc. Aquatic Toxicology Laboratory, 4905 Morena Blvd. Suite 1304, San Diego, CA, 92117, USA
| | - Gunther Rosen
- Naval Information Warfare Center Pacific (NIWC Pacific), Energy and Environmental Sustainability, Code 71760, 53560 Hull St., San Diego, CA, 92152-5001, USA
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Gambardella C, Ferrando S, Gatti AM, Cataldi E, Ramoino P, Aluigi MG, Faimali M, Diaspro A, Falugi C. Review: Morphofunctional and biochemical markers of stress in sea urchin life stages exposed to engineered nanoparticles. ENVIRONMENTAL TOXICOLOGY 2016; 31:1552-1562. [PMID: 26031494 DOI: 10.1002/tox.22159] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/14/2015] [Revised: 05/12/2015] [Accepted: 05/16/2015] [Indexed: 06/04/2023]
Abstract
We describe the use of different life stages of the Mediterranean sea urchin Paracentrotus lividus for the assessment of the possible risk posed by nanoparticles (NPs) in the coastal water. A first screening for the presence of NPs in sea water may be obtained by checking their presence inside tissues of organisms taken from the wild. The ability of NPs to pass from gut to the coelomic fluid is demonstrated by accumulation in sea urchin coelomocytes; the toxicity on sperms can be measured by embryotoxicity markers after sperm exposure, whereas the transfer through the food chain can be observed by developmental anomalies in larvae fed with microalgae exposed to NPs. The most used spermiotoxicity and embryotoxicity tests are described, as well as the biochemical and histochemical analyses of cholinesterase (ChE) activities, which are used to verify toxicity parameters such as inflammation, neurotoxicity, and interference in cell-to-cell communication. Morphological markers of toxicity, in particular skeletal anomalies, are described and classified. In addition, NPs may impair viability of the immune cells of adult specimens. Molecular similarity between echinoderm and human immune cells is shown and discussed. © 2015 Wiley Periodicals, Inc. Environ Toxicol 31: 1552-1562, 2016.
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Affiliation(s)
- Chiara Gambardella
- Institute of Marine Science, National Research Council (CNR), Genova, Italy.
| | | | | | | | | | | | - Marco Faimali
- Institute of Marine Science, National Research Council (CNR), Genova, Italy
| | - Alberto Diaspro
- Department of Nanophysics, Italian Institute of Technology (IIT), Genova, Italy
| | - Carla Falugi
- Department of Earth, Environment and Life Sciences (DISVA), Università Politecnica Delle Marche, Ancona, Italy
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Abstract
PURPOSE OF REVIEW Alzheimer's disease is a complex multifactorial age-related neurodegenerative disorder. Current transgenic animal models do not fully recapitulate human Alzheimer's disease at the molecular, cellular and behavioural levels. This review aims to address the clinical relevance of using 'physiologically' aged rats, dogs and Octodon degus, as more representative 'natural' ecologically valid models to elucidate mechanistic aspects of Alzheimer's disease, and for the development of therapeutic agents to attenuate age-related cognitive decline. RECENT FINDINGS Aged rats, dogs and O. degus decline cognitively and ultimately develop Alzheimer's disease-like symptoms in response to the natural ageing process. Aged rats provide a tractable and popular model to examine the neurobiological basis underlying cognitive decline with age, but they do not develop Alzheimer's disease pathology. Progressive accumulation of abnormal amyloid-beta in extracellular plaques and surrounding cerebral vasculature is a common feature in human Alzheimer's disease, aged canine model and most nonhuman primates. Interestingly, the O. degus develops amyloid-beta deposits, neurofibrillary tangles containing hyperphosphorylated tau protein, altered cholinergic transmission and cognitive deficits analogous to those observed in Alzheimer's disease. Natural animal models better represent the full pathophysiology of Alzheimer's disease and are not only a viable alternative to transgenic models, but also are arguably the preferable model. SUMMARY 'Natural' models are useful to elucidate the neurobiological basis of Alzheimer's disease and develop effective therapeutic strategies that can be translated into human clinical trials.
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Di Carlo M. Simple model systems: a challenge for Alzheimer's disease. IMMUNITY & AGEING 2012; 9:3. [PMID: 22507659 PMCID: PMC3388466 DOI: 10.1186/1742-4933-9-3] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/11/2011] [Accepted: 04/16/2012] [Indexed: 11/10/2022]
Abstract
The success of biomedical researches has led to improvement in human health and increased life expectancy. An unexpected consequence has been an increase of age-related diseases and, in particular, neurodegenerative diseases. These disorders are generally late onset and exhibit complex pathologies including memory loss, cognitive defects, movement disorders and death. Here, it is described as the use of simple animal models such as worms, fishes, flies, Ascidians and sea urchins, have facilitated the understanding of several biochemical mechanisms underlying Alzheimer's disease (AD), one of the most diffuse neurodegenerative pathologies. The discovery of specific genes and proteins associated with AD, and the development of new technologies for the production of transgenic animals, has helped researchers to overcome the lack of natural models. Moreover, simple model systems of AD have been utilized to obtain key information for evaluating potential therapeutic interventions and for testing efficacy of putative neuroprotective compounds.
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Affiliation(s)
- Marta Di Carlo
- Istituto di Biomedicina ed Immunologia Molecolare (IBIM) Alberto Monroy CNR, via Ugo La Malfa 153, 90146 Palermo, Italy.
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Pellicanò M, Picone P, Cavalieri V, Carrotta R, Spinelli G, Di Carlo M. The sea urchin embryo: a model to study Alzheimer's beta amyloid induced toxicity. Arch Biochem Biophys 2008; 483:120-6. [PMID: 19135026 DOI: 10.1016/j.abb.2008.12.006] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2008] [Revised: 12/22/2008] [Accepted: 12/22/2008] [Indexed: 11/26/2022]
Abstract
Alzheimer's disease (AD) is the most common form of dementia. The cause of AD is closely related to the accumulation of amyloid beta peptide in the neuritic plaques. The use of animal model systems represents a good strategy to elucidate the molecular mechanism behind the development of this pathology. Here we use the Paracentrotus lividus embryo to identify molecules and pathways that can be involved in the degenerative process. As a first step, we identified the presence of an antigen related to the human APP, called PlAPP. This antigen, after gastrula stage, is processed producing a polypeptide of about 10kDa. By immunohistochemistry we localized the PlAPP antigen in some serotonin expressing cells. Similarly, after 48 or 96h incubation, a recombinant beta-amyloid peptide, rAbeta42, accumulates around the intestinal tube and oesophagus. In addition, incubation of sea urchin embryos with two different solutions rich in oligomers and fibrillar aggregates of rAbeta42 induce activation of apoptosis as detected by TUNEL assay. Moreover, we demonstrate that aggregates induce apoptosis by extrinsic pathway activation, whereas oligomers induce apoptosis both by extrinsic and intrinsic pathway activation. Utilizing an apoptotic inhibitor, caspases activation was offset and morphological damage rescued. Taken together all these observations suggest that the sea urchin may be a simple and suitable model to characterize the mechanism underlining the cytotoxicity of Abeta42.
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Affiliation(s)
- M Pellicanò
- Istituto di Biomedicina ed Immunologia Molecolare, CNR, Palermo, Italy
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Falugi C, Lammerding-Koppel M, Aluigi MG. Sea urchin development: an alternative model for mechanistic understanding of neurodevelopment and neurotoxicity. ACTA ACUST UNITED AC 2008; 84:188-203. [PMID: 18773460 DOI: 10.1002/bdrc.20132] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Echinoderm early developmental stages might supply a good tool for toxicity testing in different fields, ranging from environment to food contamination, and in full respect of the 3Rs objectives (reduction, refinement, and replacement of animal experiments) that will eventually lead to the replacement of high vertebrate animal testing in toxicology. Sea urchin is one of the few organismic models considered by the European Agency for Alternative models. Actually, sea urchin embryonic development has been studied for over a century, and the complex nets of intercellular communications leading to the different events are well known, as well the possibility for environmental molecules and their residuals to interfere with such communications, causing developmental anomalies. In particular, the main goal of toxicologists since several years has been to establish a correlation between the cell-to-cell communications occurring during different developmental events and the signals occurring during neurogenesis, with the aim to pursue a mechanistic understanding of these processes and their deviations caused by stressors from different sources.
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Affiliation(s)
- Carla Falugi
- Department of Biology, University of Genova, Genova, Italy.
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Buznikov GA, Nikitina LA, Seidler FJ, Slotkin TA, Bezuglov VV, Milosević I, Lazarević L, Rogac L, Ruzdijić S, Rakić LM. Amyloid precursor protein 96-110 and beta-amyloid 1-42 elicit developmental anomalies in sea urchin embryos and larvae that are alleviated by neurotransmitter analogs for acetylcholine, serotonin and cannabinoids. Neurotoxicol Teratol 2008; 30:503-9. [PMID: 18565728 PMCID: PMC2579926 DOI: 10.1016/j.ntt.2008.05.003] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2008] [Revised: 04/28/2008] [Accepted: 05/08/2008] [Indexed: 10/22/2022]
Abstract
Amyloid precursor protein (APP) is overexpressed in the developing brain and portions of its extracellular domain, especially amino acid residues 96-110, play an important role in neurite outgrowth and neural cell differentiation. In the current study, we evaluated the developmental abnormalities caused by administration of exogenous APP(96-110) in sea urchin embryos and larvae, which, like the developing mammalian brain, utilize acetylcholine and other neurotransmitters as morphogens; effects were compared to those of beta-amyloid 1-42 (Abeta42), the neurotoxic APP fragment contained within neurodegenerative plaques in Alzheimer's Disease. Although both peptides elicited dysmorphogenesis, Abeta42 was far more potent; in addition, whereas Abeta42 produced abnormalities at developmental stages ranging from early cleavage divisions to the late pluteus, APP(96-110) effects were restricted to the intermediate, mid-blastula stage. For both agents, anomalies were prevented or reduced by addition of lipid-permeable analogs of acetylcholine, serotonin or cannabinoids; physostigmine, a carbamate-derived cholinesterase inhibitor, was also effective. In contrast, agents that act on NMDA receptors (memantine) or alpha-adrenergic receptors (nicergoline), and that are therapeutic in Alzheimer's Disease, were themselves embryotoxic, as was tacrine, a cholinesterase inhibitor from a different chemical class than physostigmine. Protection was also provided by agents acting downstream from receptor-mediated events: increasing cyclic AMP with caffeine or isobutylmethylxanthine, or administering the antioxidant, a-tocopherol, were all partially effective. Our findings reinforce a role for APP in development and point to specific interactions with neurotransmitter systems that act as morphogens in developing sea urchins as well as in the mammalian brain.
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Affiliation(s)
- Gennady A Buznikov
- Department of Pharmacology & Cancer Biology, Duke University Medical Center, Durham, North Carolina 27710-3813, United States
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