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Rodrigues DT, Padilha HA, Soares ATG, de Souza MEO, Guerra MT, Ávila DS. The Caenorhabditis elegans neuroendocrine system and their modulators: An overview. Mol Cell Endocrinol 2024; 586:112191. [PMID: 38382589 DOI: 10.1016/j.mce.2024.112191] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/15/2023] [Revised: 02/16/2024] [Accepted: 02/19/2024] [Indexed: 02/23/2024]
Abstract
In this review we seek to systematically bring what has been published in the literature about the nervous system, endocrine system, neuroendocrine relationships, neuroendocrine modulations and endocrine disruptors in the alternative model Caenorhabditis elegans. The serotonergic, dopaminergic, GABAergic and glutamatergic neurotransmitters are related to the modulation of the neuroendocrine axis, leading to the activation or inhibition of several processes that occur in the worm through distinct and interconnected pathways. Furthermore, this review addresses the gut-neuronal axis as it has been revealed in recent years that gut microbiota impacts on neuronal functions. This review also approaches xenobiotics that can positively or negatively impact the neuroendocrine system in C. elegans as in mammals, which allows the application of this nematode to screen new drugs and to identify toxicants that are endocrine disruptors.
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Affiliation(s)
- Daniela Teixeira Rodrigues
- Graduation Program in Biological Sciences- Toxicological Biochemistry, Federal University of Santa Maria, RS, Brazil
| | | | | | | | | | - Daiana Silva Ávila
- Graduation Program in Biological Sciences- Toxicological Biochemistry, Federal University of Santa Maria, RS, Brazil; Graduation Program in Biochemistry, Federal University of Pampa, Uruguaiana, RS, Brazil.
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de Oliveira Pereira FS, Santos AG, Neto JSS, Silva GMM, Pinton S, Zeni GR, Nogueira CW, Ávila DS, Quines CB. (p-ClPhSe) 2 modulation on carbohydrate and lipid metabolism requires the insulin-like signaling in Caenorhabditis elegans. Biochem Biophys Res Commun 2024; 696:149514. [PMID: 38237233 DOI: 10.1016/j.bbrc.2024.149514] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2023] [Revised: 01/05/2024] [Accepted: 01/09/2024] [Indexed: 02/02/2024]
Abstract
Organoselenium compounds modulate the metabolism by regulating carbohydrate and lipid syntheses and degradation in the liver, muscle, and adipose tissue. Notably, p-chloro-diphenyl diselenide (p-ClPhSe)2 can directly regulate the activities of enzymes involved in glucose metabolism, suggesting an insulin-like effect in rodents; however, there is still a lack of scientific evidence to confirm this hypothesis. The objective of this study was to investigate (p-ClPhSe)2 effects on glucose and lipid metabolism in Caenorhabditis elegans. The contribution of AGE-1/PI3K, AKT-1, AKT-2, PFK-1, DAF-16, and DAF-2 in the (p-ClPhSe)2 effects were also investigated. Our results demonstrate that (p-ClPhSe)2 acute exposure presented some toxicity to the worms, and therefore, lower concentrations were further used. (p-ClPhSe)2 reduced glucose and triglyceride levels to the baseline levels, after induction with glucose or fructose, in wild-type worms. This effect required proteins involved in the insulin/IGF-1 like signaling, such as the DAF-2, AGE-1, AKT-1 and AKT-2, PFK-1, but also DAF-16, which would be negatively regulated by DAF-2 activation. Moreover, the reduction in glucose and triglyceride levels, caused by (p-ClPhSe)2per se was lost in age-1/daf-16 worms, suggesting that insulin/IGF-1-like signaling in a DAF-2 and AGE-1/DAF-16 dependent-manner in C. elegans are necessary to effects of (p-ClPhSe)2. In conclusion, (p-ClPhSe)2 requires proteins involved in the IIS pathway to modulate carbohydrate and lipid metabolism.
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Affiliation(s)
| | | | - José S S Neto
- Chemistry Institute, Federal University of Goiás, Goiânia, GO, Brazil.
| | | | - Simone Pinton
- Federal University of Pampa, Uruguaiana, RS, Brazil.
| | - Gilson R Zeni
- Federal University of Santa Maria, Santa Maria, RS, Brazil.
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de Oliveira Pereira FS, Oliveira de Souza ME, Viçozzi GP, Caurio AC, Pinton S, Denardin CC, Haas SE, Gasparotto Denardin EL, Ávila DS. Bougainvillea glabra Choisy bracts extract in free and liposomal forms reduce hyperplasia induced by let-60gain-of-function in Caenorhabditis elegans. Chem Biodivers 2024; 21:e202300865. [PMID: 38180793 DOI: 10.1002/cbdv.202300865] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2023] [Revised: 01/04/2024] [Accepted: 01/05/2024] [Indexed: 01/06/2024]
Abstract
In this study, we evaluated the toxicological and antiproliferative effects of B. glabra Choisy bract extract (BGCE) in its free and loaded into liposomes forms administered to C. elegans mutants with let-60 gain-of-function (gf). Our results demonstrated that the concentration up to 75 μg CAE/mL of BGCE was safe for the worms. Notably, we developed BGCE-loaded liposomes to extend the pharmacological window up to 100 μg CAE/mL without toxicity. In addition, the extract and liposomes reduced the number and area of the multivulva formed in let-60 gf mutants. There was also an increase in the apoptotic signaling in the germline cells and increased longevity mediated through DAF-16 nuclear translocation with GST-4 activation in the treated animals. Our findings demonstrated that the BGCE-loaded liposomes possess antitumoral effects due to the activation of the apoptotic signaling and DAF-16 nuclear translocation.
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Affiliation(s)
| | - Maria Eduarda Oliveira de Souza
- Research Group in Toxicology and Biochemistry in Caenorhabditis elegans, Universidade Federal do Pampa, Uruguaiana, RS, Brazil
| | - Gabriel Pedroso Viçozzi
- Research Group in Toxicology and Biochemistry in Caenorhabditis elegans, Universidade Federal do Pampa, Uruguaiana, RS, Brazil
| | - Aline Castro Caurio
- Physicochemical Studies and Natural Products Laboratory, Universidade Federal do Pampa, Uruguaiana, RS, Brazil
| | - Simone Pinton
- Universidade Federal do Pampa, Uruguaiana, RS, Brazil
| | - Cristiane Casagrande Denardin
- Research Group in Toxicology and Biochemistry in Bioactive Compounds, Universidade Federal do Pampa, Uruguaiana, RS, Brazil
| | | | | | - Daiana Silva Ávila
- Research Group in Toxicology and Biochemistry in Caenorhabditis elegans, Universidade Federal do Pampa, Uruguaiana, RS, Brazil
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Viçozzi GP, de Oliveira Pereira FS, da Silva RS, Leal JG, Sarturi JM, Nogara PA, Rodrigues OED, Teixeira da Rocha JB, Ávila DS. In silico evidences of Mpro inhibition by a series of organochalcogen-AZT derivatives and their safety in Caenorhabditis elegans. J Trace Elem Med Biol 2023; 80:127297. [PMID: 37716209 DOI: 10.1016/j.jtemb.2023.127297] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/21/2023] [Revised: 08/02/2023] [Accepted: 08/29/2023] [Indexed: 09/18/2023]
Abstract
BACKGROUND The new coronavirus (SARS-CoV-2) pandemic emerged in 2019 causing millions of deaths. Vaccines were quickly developed and made available in 2021. Despite the availability of vaccines, some subjects refuse to take the immunizing or present comorbities, therefore developing serious cases of COVID-19, which makes necessary the development of antiviral drugs. Previous studies have demonstrated that ebselen, a selenium-containing molecule, can inhibit SARS-CoV-2 Mpro. In addition, selenium is a trace element that has antiviral and anti-inflammatory properties. Zidovudine (AZT) has been widely used against HIV infections and its action against SARS-CoV-2 may be altered by the structural modification with organochalcogen moieties, but this hypothesis still needs to be tested. METHODS In the present work we evaluated the Mpro inhibition capacity (in silico), the safety and antioxidant effect of six organochalcogen AZT-derivatives using the free-living nematode Caenorhabditis elegans, through acute (30 min) and chronic (48) exposure protocols. RESULTS We observed that the molecules were safe at a concentration range of 1-500 µM and did not alter any toxicological endpoint evaluated. Furthermore, the molecules are capable to decrease the ROS formation stimulated by hydrogen peroxide, to modulate the expression of important antioxidant enzymes such superoxide-dismutase-3 and glutathione S-transferese-4 and to stimulate the translocation of the DAF-16 to the cell nucleus. In addition, the molecules did not deplete thiol groups, which reinforces their safety and contribution to oxidative stress resistance. CONCLUSIONS We have found that compounds S116l (a Tellurium AZT-derivative) and S116h (a Selenium-AZT derivative) presented more promising effects both in silico and in vivo, being strong candidates for further in vivo studies.
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Affiliation(s)
- Gabriel Pedroso Viçozzi
- Grupo de Pesquisa em Bioquímica e Toxicologia em Caenorhabditis elegans (GBToxCE), Universidade Federal do Pampa - UNIPAMPA, CEP 97500-970 Uruguaiana, RS, Brazil; Departamento de Bioquímica e Biologia Molecular, Universidade Federal de Santa Maria (UFSM), Av. Roraima 1000, 97105-900 Santa Maria, RS, Brazil
| | - Flávia Suelen de Oliveira Pereira
- Grupo de Pesquisa em Bioquímica e Toxicologia em Caenorhabditis elegans (GBToxCE), Universidade Federal do Pampa - UNIPAMPA, CEP 97500-970 Uruguaiana, RS, Brazil
| | - Rafael Santos da Silva
- LabSelen-NanoBio - Departamento de Química, Universidade Federal de Santa Maria, Santa Maria, Brazil
| | - Julliano Guerin Leal
- LabSelen-NanoBio - Departamento de Química, Universidade Federal de Santa Maria, Santa Maria, Brazil
| | - Joelma Menegazzi Sarturi
- LabSelen-NanoBio - Departamento de Química, Universidade Federal de Santa Maria, Santa Maria, Brazil
| | - Pablo Andrei Nogara
- Departamento de Bioquímica e Biologia Molecular, Universidade Federal de Santa Maria (UFSM), Av. Roraima 1000, 97105-900 Santa Maria, RS, Brazil; Instituto Federal de Educação, Ciência e Tecnologia Sul-rio-grandense (IFSul), Av. Leonel de Moura Brizola, 2501, 96418-400 Bagé, RS, Brazil
| | | | - João Batista Teixeira da Rocha
- Departamento de Bioquímica e Biologia Molecular, Universidade Federal de Santa Maria (UFSM), Av. Roraima 1000, 97105-900 Santa Maria, RS, Brazil
| | - Daiana Silva Ávila
- Grupo de Pesquisa em Bioquímica e Toxicologia em Caenorhabditis elegans (GBToxCE), Universidade Federal do Pampa - UNIPAMPA, CEP 97500-970 Uruguaiana, RS, Brazil; Departamento de Bioquímica e Biologia Molecular, Universidade Federal de Santa Maria (UFSM), Av. Roraima 1000, 97105-900 Santa Maria, RS, Brazil.
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de Araújo LCA, Leite NR, da Rocha PDS, Baldivia DDS, Agarrayua DA, Ávila DS, da Silva DB, Carollo CA, Campos JF, Souza KDP, dos Santos EL. Campomanesia adamantium O Berg. fruit, native to Brazil, can protect against oxidative stress and promote longevity. PLoS One 2023; 18:e0294316. [PMID: 37972127 PMCID: PMC10653513 DOI: 10.1371/journal.pone.0294316] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2023] [Accepted: 10/31/2023] [Indexed: 11/19/2023] Open
Abstract
Campomanesia adamantium O. Berg. is a fruit tree species native to the Brazilian Cerrado biome whose fruits are consumed raw by the population. The present study determined the chemical composition of the C. adamantium fruit pulp (FPCA) and investigated its in vitro antioxidant potential and its biological effects in a Caenorhabditis elegans model. The chemical profile obtained by LC-DAD-MS identified 27 compounds, including phenolic compounds, flavonoids, and organic carboxylic acids, in addition to antioxidant lipophilic pigments and ascorbic acid. The in vitro antioxidant activity was analysed by the radical scavenging method. In vivo, FPCA showed no acute reproductive or locomotor toxicity. It promoted protection against thermal and oxidative stress and increased the lifespan of C. elegans. It also upregulated the antioxidant enzymes superoxide dismutase and glutathione S-transferase and activated the transcription factor DAF-16. These results provide unprecedented in vitro and in vivo evidence for the potential functional use of FPCA in the prevention of oxidative stress and promotion of longevity.
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Affiliation(s)
- Laura Costa Alves de Araújo
- Research Group on Biotechnology and Bioprospecting Applied to Metabolism (GEBBAM), Federal University of Grande Dourados, Dourados, Mato Grosso do Sul, Brazil
| | - Natasha Rios Leite
- Research Group on Biotechnology and Bioprospecting Applied to Metabolism (GEBBAM), Federal University of Grande Dourados, Dourados, Mato Grosso do Sul, Brazil
| | - Paola dos Santos da Rocha
- Research Group on Biotechnology and Bioprospecting Applied to Metabolism (GEBBAM), Federal University of Grande Dourados, Dourados, Mato Grosso do Sul, Brazil
| | - Debora da Silva Baldivia
- Research Group on Biotechnology and Bioprospecting Applied to Metabolism (GEBBAM), Federal University of Grande Dourados, Dourados, Mato Grosso do Sul, Brazil
| | - Danielle Araujo Agarrayua
- Research Group in Biochemistry and Toxicology in Caenorhabditis elegans, Federal University of Pampa, Uruguaiana, Rio Grande do Sul, Brazil
| | - Daiana Silva Ávila
- Research Group in Biochemistry and Toxicology in Caenorhabditis elegans, Federal University of Pampa, Uruguaiana, Rio Grande do Sul, Brazil
| | - Denise Brentan da Silva
- Laboratory of Natural Products and Mass Spectrometry, Federal University of Mato Grosso do Sul, Campo Grande, MS, Brazil
| | - Carlos Alexandre Carollo
- Laboratory of Natural Products and Mass Spectrometry, Federal University of Mato Grosso do Sul, Campo Grande, MS, Brazil
| | - Jaqueline Ferreira Campos
- Research Group on Biotechnology and Bioprospecting Applied to Metabolism (GEBBAM), Federal University of Grande Dourados, Dourados, Mato Grosso do Sul, Brazil
| | - Kely de Picoli Souza
- Research Group on Biotechnology and Bioprospecting Applied to Metabolism (GEBBAM), Federal University of Grande Dourados, Dourados, Mato Grosso do Sul, Brazil
| | - Edson Lucas dos Santos
- Research Group on Biotechnology and Bioprospecting Applied to Metabolism (GEBBAM), Federal University of Grande Dourados, Dourados, Mato Grosso do Sul, Brazil
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Canedo-Reis NAP, de Oliveira Pereira FS, Ávila DS, Guerra CC, Flores da Silva L, Junges CH, Ferrão MF, Bergold AM. Grape juice reduces the effects of amyloid β aggregation phenotype and extends the longevity in Caenorhabditis elegans. Nutr Neurosci 2023; 26:1147-1158. [PMID: 36342065 DOI: 10.1080/1028415x.2022.2140394] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
OBJECTIVES Alzheimer's disease (AD) is a neurodegenerative disorder characterized by the presence of aggregated amyloid-β (Aβ) peptides. Several natural compounds have been proposed against this disease and grape products are among these. However, little is known about grape juice potential. Transgenic Caenorhabditis elegans (C. elegans) strains that express human Aβ have been used as an in vivo model for AD. METHODS In this study, we have exposed CL2006 worms to nine different juices obtained from different cultivars. RESULTS Cora, Bordo, Isabel, Isabel Precoce, BRS-Magna, BRS-Rubea and BRS-Violeta juices improved the behavioral phenotype (paralysis) that is caused by Aβ aggregation in the transgenic animals at the concentrations tested and no toxic effects were found. Some juices were also able to increase the worm's lifespan. We could not attribute lifespan increase and paralysis reduction with any specific compound found in the phytochemical analysis. DISCUSSION Our data indicate that the rich constitution of the juices is responsible for attenuating the phenotype caused by Aβ aggregation in C. elegans.
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Affiliation(s)
| | - Flávia Suelen de Oliveira Pereira
- Programa de Pós-Graduação em Bioquímica, Grupo de Pesquisa em Bioquímica e Toxicologia em Caenorhabditis elegans (GBToxCe), Universidade Federal do Pampa, Uruguaiana, Brazil
| | - Daiana Silva Ávila
- Programa de Pós-Graduação em Bioquímica, Grupo de Pesquisa em Bioquímica e Toxicologia em Caenorhabditis elegans (GBToxCe), Universidade Federal do Pampa, Uruguaiana, Brazil
| | - Celito Crivellaro Guerra
- LACEM - Laboratório de Cromatografia e Espectrometria de Massas, Embrapa Uva e Vinho, Bento Gonçalves, Brazil
| | - Letícia Flores da Silva
- LACEM - Laboratório de Cromatografia e Espectrometria de Massas, Embrapa Uva e Vinho, Bento Gonçalves, Brazil
| | - Carlos Henrique Junges
- Programa de Pós-Graduação em Química, Instituto de Química, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
| | - Marco Flôres Ferrão
- Programa de Pós-Graduação em Química, Instituto de Química, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
| | - Ana Maria Bergold
- Programa de Pós-Graduação em Ciências Farmacêuticas, Faculdade de Farmácia, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
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Salgueiro WG, Soares MV, Martins CF, Paula FR, Rios-Anjos RM, Carrazoni T, Mori MA, Müller RU, Aschner M, Dal Belo CA, Ávila DS. Dopaminergic modulation by quercetin: In silico and in vivo evidence using Caenorhabditis elegans as a model. Chem Biol Interact 2023; 382:110610. [PMID: 37348670 PMCID: PMC10527449 DOI: 10.1016/j.cbi.2023.110610] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2022] [Revised: 06/12/2023] [Accepted: 06/19/2023] [Indexed: 06/24/2023]
Abstract
Quercetin is a flavonol widely distributed in plants and has various described biological functions. Several studies have reported on its ability to restore neuronal function in a wide variety of disease models, including animal models of neurodegenerative disorders such as Parkinson's disease. Quercetin per se can act as a neuroprotector/neuromodulator, especially in diseases related to impaired dopaminergic neurotransmission. However, little is known about how quercetin interacts with the dopaminergic machinery. Here we employed the nematode Caenorhabditis elegans to study this putative interaction. After observing behavioral modulation, mutant analysis and gene expression in C. elegans upon exposure to quercetin at a concentration that does not protect against MPTP, we constructed a homology-based dopamine transporter protein model to conduct a docking study. This led to suggestive evidence on how quercetin may act as a dopaminergic modulator by interacting with C. elegans' dopamine transporter and alter the nematode's exploratory behavior. Consistent with this model, quercetin controls C. elegans behavior in a way dependent on the presence of both the dopamine transporter (dat-1), which is up-regulated upon quercetin exposure, and the dopamine receptor 2 (dop-2), which appears to be mandatory for dat-1 up-regulation. Our data propose an interaction with the dopaminergic machinery that may help to establish the effects of quercetin as a neuromodulator.
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Affiliation(s)
- Willian Goulart Salgueiro
- Research Group in Biochemistry and Toxicology in Caenorhabditis elegans (GBToxCe), Federal University of Pampa - UNIPAMPA, CEP 97500-970, Uruguaiana, RS, Brazil; Department of Biochemistry and Tissue Biology, University of Campinas, Monteiro Lobato Avenue, 255, Campinas, São Paulo, 13083-862, Brazil; Cologne Excellence Cluster on Cellular Stress Responses in Aging-associated Diseases (CECAD), University of Cologne, Cologne, 50931, Germany; Department II of Internal Medicine and Center for Molecular Medicine Cologne, University of Cologne, Cologne, Germany
| | - Marcell Valandro Soares
- Research Group in Biochemistry and Toxicology in Caenorhabditis elegans (GBToxCe), Federal University of Pampa - UNIPAMPA, CEP 97500-970, Uruguaiana, RS, Brazil; Department of Biochemistry and Molecular Biology, Post-graduate Program in Biological Sciences, Federal University of Santa Maria, Camobi, 97105-900, Santa Maria, RS, Brazil
| | - Cassiano Fiad Martins
- Research Group in Biochemistry and Toxicology in Caenorhabditis elegans (GBToxCe), Federal University of Pampa - UNIPAMPA, CEP 97500-970, Uruguaiana, RS, Brazil
| | - Fávero Reisdorfer Paula
- Laboratory for Development and Quality Control in Medicines (LDCQ), Federal University of Pampa, Uruguaiana, RS, Brazil
| | | | - Thiago Carrazoni
- Neurobiology and Toxinology Laboratory, (LANETOX), Federal University of Pampa - UNIPAMPA, CEP 97300-000, São Gabriel, RS, Brazil
| | - Marcelo A Mori
- Department of Biochemistry and Tissue Biology, University of Campinas, Monteiro Lobato Avenue, 255, Campinas, São Paulo, 13083-862, Brazil; Obesity and Comorbidities Research Center (OCRC), University of Campinas, Campinas, SP, Brazil; Experimental Medicine Research Cluster, University of Campinas, Campinas, SP, Brazil
| | - Roman-Ulrich Müller
- Cologne Excellence Cluster on Cellular Stress Responses in Aging-associated Diseases (CECAD), University of Cologne, Cologne, 50931, Germany; Department II of Internal Medicine and Center for Molecular Medicine Cologne, University of Cologne, Cologne, Germany
| | - Michael Aschner
- Department of Molecular Pharmacology, Albert Einstein College of Medicine, 1300 Morris Park Avenue, Bronx, NY, 10461, USA
| | - Cháriston André Dal Belo
- Department of Biochemistry and Molecular Biology, Post-graduate Program in Biological Sciences, Federal University of Santa Maria, Camobi, 97105-900, Santa Maria, RS, Brazil; Neurobiology and Toxinology Laboratory, (LANETOX), Federal University of Pampa - UNIPAMPA, CEP 97300-000, São Gabriel, RS, Brazil; Multidisciplinar Department, Federal University of São Paulo (UNIFESP), Angelica Street, 100- CEP 06110295, Osasco, SP, Brazil
| | - Daiana Silva Ávila
- Research Group in Biochemistry and Toxicology in Caenorhabditis elegans (GBToxCe), Federal University of Pampa - UNIPAMPA, CEP 97500-970, Uruguaiana, RS, Brazil; Department of Biochemistry and Molecular Biology, Post-graduate Program in Biological Sciences, Federal University of Santa Maria, Camobi, 97105-900, Santa Maria, RS, Brazil.
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Silva AC, Dos Santos AGR, Pieretti JC, Rolim WR, Seabra AB, Ávila DS. Iron oxide/silver hybrid nanoparticles impair the cholinergic system and cause reprotoxicity in Caenorhabditis elegans. Food Chem Toxicol 2023; 179:113945. [PMID: 37451599 DOI: 10.1016/j.fct.2023.113945] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2023] [Revised: 06/27/2023] [Accepted: 07/11/2023] [Indexed: 07/18/2023]
Abstract
Iron oxide nanoparticles present superparamagnetic properties that enable their application in various areas, including drug delivery at specific locations in the organism. Silver nanoparticles have potent antimicrobial effects. Although the combination of Fe3O4-NPs and Ag-NPs in one hybrid nanostructure (Fe3O4@Ag-NPs) demonstrated promising targeted biomedical applications, their toxicological effects are unknown and need to be assessed. Caenorhabditis elegans is a promising model for nanotoxicological analysis, as it allows an initial screening of new substances. After exposure to Fe3O4-NPs, Ag-NPs and Fe3O4@Ag-NPs, we observed that hybrid NPs reduced the C. elegans survival and reproduction. Higher concentrations of Fe3O4@Ag-NPs caused an increase in cell apoptosis in the germline and a decrease in egg laying, which was associated with a decrease in worm swimming movements and abnormalities in the cholinergic neurons. Fe3O4@Ag-NPs caused an increase in reactive oxygen species, along with activation of DAF-16 transcription factor. A higher expression of the target genes GST-4::GFP and SOD-3::GFP were evidenced, which suggests the activation of the antioxidant system. Our results indicate the reprotoxicity caused by high levels of Fe3O4@Ag-NPs, as well as cholinergic neurotoxicity and activation of the antioxidant system in C. elegans, suggesting that high concentrations of these nanomaterials can be harmful to living organisms.
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Affiliation(s)
- Aline Castro Silva
- Graduate Program in Biochemistry, Laboratory of Biochemistry and Toxicology in Caenorhabditis Elegans, Federal University of Pampa, Uruguaiana, RS, Zip code 97500-970, Brazil
| | - Alisson Gleysson Rodrigues Dos Santos
- Graduate Program in Biochemistry, Laboratory of Biochemistry and Toxicology in Caenorhabditis Elegans, Federal University of Pampa, Uruguaiana, RS, Zip code 97500-970, Brazil
| | - Joana Claudio Pieretti
- Center for Natural and Human Sciences (CCNH), Federal University of ABC (UFABC), Santo André, SP, Zip code 09210-580, Brazil
| | - Wallace Rosado Rolim
- Center for Natural and Human Sciences (CCNH), Federal University of ABC (UFABC), Santo André, SP, Zip code 09210-580, Brazil
| | - Amedea Barozzi Seabra
- Center for Natural and Human Sciences (CCNH), Federal University of ABC (UFABC), Santo André, SP, Zip code 09210-580, Brazil
| | - Daiana Silva Ávila
- Graduate Program in Biochemistry, Laboratory of Biochemistry and Toxicology in Caenorhabditis Elegans, Federal University of Pampa, Uruguaiana, RS, Zip code 97500-970, Brazil.
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Kagami LP, Gonçalves IL, da Silva ÁC, Silva AC, das Neves GM, Göethel G, Spillere A, Dos Santos MR, Figueiró F, Garcia SC, Ávila DS, Battastini AMO, Eifler-Lima VL. LaSOM 335, active against bladder cancer cells, interferes with Let-60 (hRas) and reduces CD73 expression/activity. Chem Biol Drug Des 2023; 102:536-546. [PMID: 37272688 DOI: 10.1111/cbdd.14273] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2022] [Revised: 04/04/2023] [Accepted: 05/08/2023] [Indexed: 06/06/2023]
Abstract
Bladder cancer is the fourth most common malignancy in men. It can present along the entire continuum of severity, from mild to well-differentiated disease to extremely malignant tumors with low survival rates. Human RAS genes are the most frequently mutated oncogenes in human cancers, and the critical role of aberrant Ras protein function in carcinogenesis is well established. Therefore, considerable efforts have been devoted to the development of anti-Ras inhibitors for cancer treatment. This study presents the biphenyl dihydropyrimidinone LaSOM 335 with high activity against T24 bladder cancer cells (IC50 = 10.73 ± 0.53 μM) and selectivity of cytotoxicity for this cancer cell line compared to two non-cancer cell lines investigated. Furthermore, we also show that this compound reduced vulvar development in the mutant let-60 gene of Caenorhabditis elegans. Let-60 is a homolog of the mammalian Ras gene. In addition, we observed that LaSOM 335 inhibits the enzymatic activity of CD73 and decreases CD73 expression. Possibly, this expression decrease is due to downstream EGFR signaling via the Ras-Raf-ERK pathway, that directly regulates CD73 expression via ERK1/2. Evidence suggests that non-immunomodulating functions of CD73 play an equally important role for cancer cell survival, progression, and migration. Regarding we also notice that LaSOM 335 was safe in the in vivo model of C. elegans. The set of these findings makes this biphenyl dihydropyrimidinone a promising candidate for further investigations in the bladder cancer field.
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Affiliation(s)
- Luciano Porto Kagami
- Laboratório de Síntese Orgânica Medicinal - LaSOM®, Programa de Pós-Graduação em Ciências Farmacêuticas, Faculdade de Farmácia, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
| | - Itamar Luís Gonçalves
- Laboratório de Síntese Orgânica Medicinal - LaSOM®, Programa de Pós-Graduação em Ciências Farmacêuticas, Faculdade de Farmácia, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
- Faculdade de Medicina, Universidade Regional Integrada do Alto Uruguai e das Missões-URI, Erechim, Brazil
| | - Álisson Coldebella da Silva
- Departamento de Bioquímica, Programa de Pós-Graduação em Ciências Biológicas: Bioquímica, Instituto de Ciências Básicas da Saúde, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
| | - Aline Castro Silva
- Graduation Program in Biochemistry, Laboratory of Biochemistry and Toxicology in Caenorhabditis elegans, Federal University of Pampa, Uruguaiana, Brazil
| | - Gustavo Machado das Neves
- Laboratório de Síntese Orgânica Medicinal - LaSOM®, Programa de Pós-Graduação em Ciências Farmacêuticas, Faculdade de Farmácia, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
| | - Gabriela Göethel
- Laboratório de Síntese Orgânica Medicinal - LaSOM®, Programa de Pós-Graduação em Ciências Farmacêuticas, Faculdade de Farmácia, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
| | - Adriano Spillere
- Laboratório de Síntese Orgânica Medicinal - LaSOM®, Programa de Pós-Graduação em Ciências Farmacêuticas, Faculdade de Farmácia, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
| | - Maitê Roxo Dos Santos
- Laboratório de Síntese Orgânica Medicinal - LaSOM®, Programa de Pós-Graduação em Ciências Farmacêuticas, Faculdade de Farmácia, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
| | - Fabrício Figueiró
- Departamento de Bioquímica, Programa de Pós-Graduação em Ciências Biológicas: Bioquímica, Instituto de Ciências Básicas da Saúde, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
| | - Solange Cristina Garcia
- Laboratory of Toxicology (LATOX), Department of Analyses, Programa de Pós-Graduação em Ciências Farmacêuticas, Faculty of Pharmacy, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
| | - Daiana Silva Ávila
- Graduation Program in Biochemistry, Laboratory of Biochemistry and Toxicology in Caenorhabditis elegans, Federal University of Pampa, Uruguaiana, Brazil
| | - Ana Maria Oliveira Battastini
- Departamento de Bioquímica, Programa de Pós-Graduação em Ciências Biológicas: Bioquímica, Instituto de Ciências Básicas da Saúde, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
| | - Vera Lucia Eifler-Lima
- Laboratório de Síntese Orgânica Medicinal - LaSOM®, Programa de Pós-Graduação em Ciências Farmacêuticas, Faculdade de Farmácia, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
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10
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Martins AC, Virgolini MB, Ávila DS, Scharf P, Li J, Tinkov AA, Skalny AV, Bowman AB, Rocha JBT, Aschner M. Mitochondria in the Spotlight: C. elegans as a Model Organism to Evaluate Xenobiotic-Induced Dysfunction. Cells 2023; 12:2124. [PMID: 37681856 PMCID: PMC10486742 DOI: 10.3390/cells12172124] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2023] [Revised: 08/19/2023] [Accepted: 08/20/2023] [Indexed: 09/09/2023] Open
Abstract
Mitochondria play a crucial role in cellular respiration, ATP production, and the regulation of various cellular processes. Mitochondrial dysfunctions have been directly linked to pathophysiological conditions, making them a significant target of interest in toxicological research. In recent years, there has been a growing need to understand the intricate effects of xenobiotics on human health, necessitating the use of effective scientific research tools. Caenorhabditis elegans (C. elegans), a nonpathogenic nematode, has emerged as a powerful tool for investigating toxic mechanisms and mitochondrial dysfunction. With remarkable genetic homology to mammals, C. elegans has been used in studies to elucidate the impact of contaminants and drugs on mitochondrial function. This review focuses on the effects of several toxic metals and metalloids, drugs of abuse and pesticides on mitochondria, highlighting the utility of C. elegans as a model organism to investigate mitochondrial dysfunction induced by xenobiotics. Mitochondrial structure, function, and dynamics are discussed, emphasizing their essential role in cellular viability and the regulation of processes such as autophagy, apoptosis, and calcium homeostasis. Additionally, specific toxins and toxicants, such as arsenic, cadmium, and manganese are examined in the context of their impact on mitochondrial function and the utility of C. elegans in elucidating the underlying mechanisms. Furthermore, we demonstrate the utilization of C. elegans as an experimental model providing a promising platform for investigating the intricate relationships between xenobiotics and mitochondrial dysfunction. This knowledge could contribute to the development of strategies to mitigate the adverse effects of contaminants and drugs of abuse, ultimately enhancing our understanding of these complex processes and promoting human health.
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Affiliation(s)
- Airton C. Martins
- Department of Molecular Pharmacology, Albert Einstein College of Medicine, Bronx, NY 10461, USA;
| | - Miriam B. Virgolini
- Departamento de Farmacología Otto Orsingher, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, Córdoba 5000, Argentina
- Instituto de Farmacología Experimental de Córdoba-Consejo Nacional de Investigaciones Técnicas (IFEC-CONICET), Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, Córdoba 5000, Argentina
| | - Daiana Silva Ávila
- Laboratory of Biochemistry and Toxicology in Caenorhabditis Elegans, Universidade Federal do Pampa, Campus Uruguaiana, BR-472 Km 592, Uruguaiana 97500-970, RS, Brazil
| | - Pablo Scharf
- Department of Clinical and Toxicological Analyses, Faculty of Pharmaceutical Sciences, University of São Paulo, São Paulo 05508-000, SP, Brazil
| | - Jung Li
- College of Osteopathic Medicine, Des Moines University, Des Moines, IA 50312, USA
| | - Alexey A. Tinkov
- Laboratory of Ecobiomonitoring and Quality Control, Yaroslavl State University, Yaroslavl 150003, Russia
- Laboratory of Molecular Dietetics, IM Sechenov First Moscow State Medical University (Sechenov University), Moscow 119435, Russia
| | - Anatoly V. Skalny
- Laboratory of Ecobiomonitoring and Quality Control, Yaroslavl State University, Yaroslavl 150003, Russia
- Laboratory of Molecular Dietetics, IM Sechenov First Moscow State Medical University (Sechenov University), Moscow 119435, Russia
- Peoples Friendship University of Russia (RUDN University), Moscow 117198, Russia
| | - Aaron B. Bowman
- School of Health Sciences, Purdue University, West Lafayette, IN 47907-2051, USA
| | - João B. T. Rocha
- Departamento de Bioquímica e Biologia Molecular, Centro de Ciências Naturais e Exatas, Universidade Federal de Santa Maria, Santa Maria 97105-900, RS, Brazil
| | - Michael Aschner
- Department of Molecular Pharmacology, Albert Einstein College of Medicine, Bronx, NY 10461, USA;
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11
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Funguetto-Ribeiro AC, Nakama KA, Pinz MP, Oliveira RLD, Sacramento MD, Pereira FSO, Pinton S, Wilhelm EA, Luchese C, Alves D, Ávila DS, Haas SE. Development and In Vivo Assessment of 4-Phenyltellanyl-7-chloroquinoline-loaded Polymeric Nanocapsules in Alzheimer's Disease Models. Brain Sci 2023; 13:999. [PMID: 37508931 PMCID: PMC10377448 DOI: 10.3390/brainsci13070999] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2023] [Revised: 06/20/2023] [Accepted: 06/24/2023] [Indexed: 07/30/2023] Open
Abstract
Alzheimer's disease (AD) is the most common form of dementia in older people, and available treatments are palliative and produce undesirable side effects. The 4-phenyltellanyl-7-chloroquinoline (TQ) is an organochalcogen compound studied due to its pharmacological properties, particularly its antioxidant potential. However, TQ possesses some drawbacks such as low aqueous solubility and high toxicity, thus warranting the search for tools that improve the safety and effectiveness of new compounds. Here, we developed and investigated the biological effects of TQ-loaded polymeric nanocapsules (NCTQ) in an AD model in transgenic Caenorhabditis elegans expressing human Aβ1-42 in their body-wall muscles and Swiss mice injected with Aβ25-35. The NCTQ displayed good physicochemical properties, including nanometer size and maximum encapsulation capacity. The treatment showed low toxicity, reduced Aβ peptide-induced paralysis, and activated an endoplasmic reticulum chaperone in the C. elegans model. The Aβ injection in mice caused memory impairment, which NCTQ mitigated by improving working, long-term, and aversive memory. Additionally, no changes in biochemical markers were evidenced in mice, demonstrating that there was no hepatotoxicity in the tested doses. Altogether, these findings provide insights into the neuroprotective effects of TQ and indicate that NCTQ is a promising candidate for AD treatment.
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Affiliation(s)
| | - Kelly Ayumi Nakama
- Pharmaceutical Science Graduate Program, Federal University of Pampa-UNIPAMPA, Uruguaiana 97501-970, Brazil
| | - Mikaela Peglow Pinz
- Biochemistry and Bioprospecting Graduate Program, Biochemical Pharmacology Research Laboratory (LaFarBio), Neurobiotechnology Research Group (GPN), Chemical, Pharmaceutical and Food Science Center (CCQFA), Federal University of Pelotas-UFPel, Pelotas 96010-900, Brazil
| | - Renata Leivas de Oliveira
- Biochemistry and Bioprospecting Graduate Program, Biochemical Pharmacology Research Laboratory (LaFarBio), Neurobiotechnology Research Group (GPN), Chemical, Pharmaceutical and Food Science Center (CCQFA), Federal University of Pelotas-UFPel, Pelotas 96010-900, Brazil
| | - Manoela do Sacramento
- Clean Organic Synthesis Laboratory (LASOL), Center for Chemical, Pharmaceutical and Food Sciences (CCQFA), Federal University of Pelotas-UFPel, Pelotas 96010-900, Brazil
| | | | - Simone Pinton
- Biochemistry Graduate Program, Federal University of Pampa-UNIPAMPA, Uruguaiana 97501-970, Brazil
| | - Ethel Antunes Wilhelm
- Biochemistry and Bioprospecting Graduate Program, Biochemical Pharmacology Research Laboratory (LaFarBio), Neurobiotechnology Research Group (GPN), Chemical, Pharmaceutical and Food Science Center (CCQFA), Federal University of Pelotas-UFPel, Pelotas 96010-900, Brazil
| | - Cristiane Luchese
- Biochemistry and Bioprospecting Graduate Program, Biochemical Pharmacology Research Laboratory (LaFarBio), Neurobiotechnology Research Group (GPN), Chemical, Pharmaceutical and Food Science Center (CCQFA), Federal University of Pelotas-UFPel, Pelotas 96010-900, Brazil
| | - Diego Alves
- Clean Organic Synthesis Laboratory (LASOL), Center for Chemical, Pharmaceutical and Food Sciences (CCQFA), Federal University of Pelotas-UFPel, Pelotas 96010-900, Brazil
| | - Daiana Silva Ávila
- Biochemistry Graduate Program, Federal University of Pampa-UNIPAMPA, Uruguaiana 97501-970, Brazil
| | - Sandra Elisa Haas
- Biochemistry Graduate Program, Federal University of Pampa-UNIPAMPA, Uruguaiana 97501-970, Brazil
- Pharmaceutical Science Graduate Program, Federal University of Pampa-UNIPAMPA, Uruguaiana 97501-970, Brazil
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12
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Jacques MT, Soares MV, Farina M, Bornhorst J, Schwerdtle T, Ávila DS. Impaired Physiological Responses and Neurotoxicity Induced by a Chlorpyrifos-Based Formulation in Caenorhabditis elegans are not Solely Dependent on the Active Ingredient. Environ Toxicol Pharmacol 2023:104196. [PMID: 37354962 DOI: 10.1016/j.etap.2023.104196] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/28/2022] [Revised: 06/01/2023] [Accepted: 06/20/2023] [Indexed: 06/26/2023]
Abstract
The current massive and indiscriminate agrochemicals usage, which is inexorably linked to the toxic consequences to the environment and people, represents a great concern. Our work aimed to compare the toxicity induced by chlorpyrifos in its pure form (CPF) with that of a commercial formulation containing allegedly inert ingredients (CBCF) using Caenorhabditis elegans as in vivo model. After a 48h exposure period, CBCF was 14 times more lethal than CPF; Hatching, brood size, body length and motor-related behavioral parameters were decreased, but these effects were significantly higher in CBCF-exposed worms. Additionally, CBCF induced significant morphological changes in cholinergic neurons, which are associated with the motor-related behavioral parameters. Finally, by analyzing the CBCF, were detected the presence of potentially-toxic metals that were not specified in the label. The presented results highlight the toxicological relevance of components present in the commercial formulations of pesticides, which have been claimed as inert compounds.
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Affiliation(s)
- Mauricio Tavares Jacques
- Laboratory of Biochemistry and Toxicology in Caenorhabditis elegans, Graduation Program in Biochemistry, Federal University of Pampa, BR 472, Km 592, PO BOX 118, Uruguaiana, RS, Brazil; Laboratory of Experimental Neuropathology, Department of Biochemistry, CCB, Federal University of Santa Catarina, Block C, Trindade, Florianópolis, SC, CEP 88040-900, Brazil
| | - Marcell Valandro Soares
- Laboratory of Biochemistry and Toxicology in Caenorhabditis elegans, Graduation Program in Biochemistry, Federal University of Pampa, BR 472, Km 592, PO BOX 118, Uruguaiana, RS, Brazil; Laboratory of Neurotoxicology and Neuroprotection Experimental, Departament of Biochemistry and Molecular Biology, Federal University of Santa Maria, Camobi, 97105-900, Santa Maria, RS, Brasil
| | - Marcelo Farina
- Laboratory of Experimental Neuropathology, Department of Biochemistry, CCB, Federal University of Santa Catarina, Block C, Trindade, Florianópolis, SC, CEP 88040-900, Brazil
| | - Julia Bornhorst
- Department of Food Chemistry, Institute of Nutritional Science, University of Potsdam, Arthur-Scheunert-Allee 114-116, 14558 Nuthetal, Germany; TraceAge-DFG Research Unit on Interactions of Essential Trace Elements in Healthy and Diseased Elderly (FOR 2558), Berlin-Potsdam-Jena-Wuppertal; Food Chemistry, Faculty of Mathematics and Natural Sciences, University of Wuppertal, Gaußstraße 20, 42119 Wuppertal, Germany
| | - Tanja Schwerdtle
- Department of Food Chemistry, Institute of Nutritional Science, University of Potsdam, Arthur-Scheunert-Allee 114-116, 14558 Nuthetal, Germany; TraceAge-DFG Research Unit on Interactions of Essential Trace Elements in Healthy and Diseased Elderly (FOR 2558), Berlin-Potsdam-Jena-Wuppertal
| | - Daiana Silva Ávila
- Laboratory of Biochemistry and Toxicology in Caenorhabditis elegans, Graduation Program in Biochemistry, Federal University of Pampa, BR 472, Km 592, PO BOX 118, Uruguaiana, RS, Brazil.
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13
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Figueiredo A, Anholeto LA, Cola DF, Fantatto RR, Gainza YA, Dos Santos IB, Viçozzi GP, Ávila DS, Fraceto LF, Chagas ACDS. Acaricides containing zein nanoparticles: a tool for a lower impact control of the cattle tick Rhipicephalus microplus. Vet Parasitol 2023; 318:109918. [PMID: 37054578 DOI: 10.1016/j.vetpar.2023.109918] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2022] [Revised: 03/27/2023] [Accepted: 03/27/2023] [Indexed: 03/30/2023]
Abstract
Nanoformulations containing zein nanoparticles (ZN) can promote the stability and protection of molecules with acaricidal activity. The present study sought to develop nanoformulations with ZN associated with cypermethrin (CYPE) + chlorpyrifos (CHLO) + a plant compound (citral, menthol or limonene), characterize them, and verify their efficacy against Rhipicephalus microplus ticks. Additionally, we aimed to assess its safety in nontarget nematodes found in soil at a site subjected to contamination by acaricides. The nanoformulations were characterized by dynamic light scattering and nanoparticle tracking analysis. Nanoformulations 1 (ZN+CYPE+CHLO+citral), 2 (ZN+CYPE+CHLO+menthol), and 3 (ZN+CYPE+CHLO+limonene) were measured for diameter, polydispersion, zeta potential, concentration, and encapsulation efficiency. Nanoformulations 1, 2, and 3 were evaluated in a range from 0.004 to 0.466 mg/mL on R. microplus larvae and caused mortality > 80% at concentrations above 0.029 mg/mL. The commercial acaricide Colosso® (CYPE 15 g + CHLO 25 g + citronellal 1 g) was evaluated also from 0.004 to 0.512 mg/mL and resulted in 71.9% larval mortality at 0.064 mg/mL. Formulations 1, 2, and 3 at 0.466 mg/mL showed acaricidal efficacy of 50.2%, 40.5%, and 60.1% on engorged females, respectively, while Colosso® at 0.512 mg/mL obtained only 39.4%. The nanoformulations exhibited long residual period of activity and lower toxicity to nontarget nematodes. ZN was able to protect the active compounds against degradation during the storage period. Thus, ZN can be an alternative for the development of new acaricidal formulations using lower concentrations of active compounds.
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Affiliation(s)
- Amanda Figueiredo
- School of Agricultural and Veterinary Sciences, São Paulo State University (UNESP), Rod. Prof. Paulo Donato Castellane, Jaboticabal SP, 14884-900, Brazil
| | - Luís Adriano Anholeto
- Brazilian Agricultural Research Corporation (EMBRAPA), Southeast Livestock Unit, Rod. Washington Luiz, Km 234 s/n, Fazenda Canchim, São Carlos, SP 13560-970, Brazil
| | - Diego Faria Cola
- Institute of Science and Technology of Sorocaba, São Paulo State University (UNESP), Av. Três de março, 511, Alto da Boa Vista, Sorocaba, SP 18087-180, Brazil
| | - Rafaela Regina Fantatto
- School of Pharmaceutical Sciences, São Paulo State University (UNESP), Rod. Araraquara-Jaú, km 1, Campos Ville, Araraquara SP, 14800-903, Brazil
| | - Yousmel Alemán Gainza
- School of Agricultural and Veterinary Sciences, São Paulo State University (UNESP), Rod. Prof. Paulo Donato Castellane, Jaboticabal SP, 14884-900, Brazil
| | - Isabella Barbosa Dos Santos
- School of Agricultural and Veterinary Sciences, São Paulo State University (UNESP), Rod. Prof. Paulo Donato Castellane, Jaboticabal SP, 14884-900, Brazil
| | - Gabriel Pedroso Viçozzi
- Laboratory of Biochemistry and Toxicology in Caenorhabditis elegans, Federal University of Pampa, BR 472, Km 592, Uruguaiana, RS 97501-970, Brazil
| | - Daiana Silva Ávila
- Laboratory of Biochemistry and Toxicology in Caenorhabditis elegans, Federal University of Pampa, BR 472, Km 592, Uruguaiana, RS 97501-970, Brazil
| | - Leonardo Fernandes Fraceto
- Institute of Science and Technology of Sorocaba, São Paulo State University (UNESP), Av. Três de março, 511, Alto da Boa Vista, Sorocaba, SP 18087-180, Brazil
| | - Ana Carolina de Souza Chagas
- Brazilian Agricultural Research Corporation (EMBRAPA), Southeast Livestock Unit, Rod. Washington Luiz, Km 234 s/n, Fazenda Canchim, São Carlos, SP 13560-970, Brazil.
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14
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Gubert P, Gubert G, de Oliveira RC, Fernandes ICO, Bezerra IC, de Ramos B, de Lima MF, Rodrigues DT, da Cruz AFN, Pereira EC, Ávila DS, Mosca DH. Caenorhabditis elegans as a Prediction Platform for Nanotechnology-Based Strategies: Insights on Analytical Challenges. Toxics 2023; 11:239. [PMID: 36977004 PMCID: PMC10059662 DOI: 10.3390/toxics11030239] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/21/2023] [Revised: 02/22/2023] [Accepted: 02/24/2023] [Indexed: 06/18/2023]
Abstract
Nanotechnology-based strategies have played a pivotal role in innovative products in different technological fields, including medicine, agriculture, and engineering. The redesign of the nanometric scale has improved drug targeting and delivery, diagnosis, water treatment, and analytical methods. Although efficiency brings benefits, toxicity in organisms and the environment is a concern, particularly in light of global climate change and plastic disposal in the environment. Therefore, to measure such effects, alternative models enable the assessment of impacts on both functional properties and toxicity. Caenorhabditis elegans is a nematode model that poses valuable advantages such as transparency, sensibility in responding to exogenous compounds, fast response to perturbations besides the possibility to replicate human disease through transgenics. Herein, we discuss the applications of C. elegans to nanomaterial safety and efficacy evaluations from one health perspective. We also highlight the directions for developing appropriate techniques to safely adopt magnetic and organic nanoparticles, and carbon nanosystems. A description was given of the specifics of targeting and treatment, especially for health purposes. Finally, we discuss C. elegans potential for studying the impacts caused by nanopesticides and nanoplastics as emerging contaminants, pointing out gaps in environmental studies related to toxicity, analytical methods, and future directions.
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Affiliation(s)
- Priscila Gubert
- Keizo Asami Institute, iLIKA, Federal University of Pernambuco, Recife 50670-901, Brazil
- Graduate Program in Biology Applied to Health, PPGBAS, Federal University of Pernambuco, Recife 50670-901, Brazil
- Graduate Program in Pure and Applied Chemistry, POSQUIPA, Federal University of Western of Bahia, Bahia 47808-021, Brazil
| | - Greici Gubert
- Postdoctoral Program in Chemistry, Federal University of São Carlos, São Carlos 13565-905, Brazil
| | | | - Isabel Cristina Oliveira Fernandes
- Keizo Asami Institute, iLIKA, Federal University of Pernambuco, Recife 50670-901, Brazil
- Graduate Program in Biology Applied to Health, PPGBAS, Federal University of Pernambuco, Recife 50670-901, Brazil
| | | | - Bruna de Ramos
- Oceanography Department, Federal University of Pernambuco, Recife 50670-901, Brazil
| | - Milena Ferreira de Lima
- Keizo Asami Institute, iLIKA, Federal University of Pernambuco, Recife 50670-901, Brazil
- Graduate Program in Biology Applied to Health, PPGBAS, Federal University of Pernambuco, Recife 50670-901, Brazil
| | - Daniela Teixeira Rodrigues
- Graduate Program in Biological Sciences, Toxicological Biochemistry, Federal University of Santa Maria, Santa Maria 97105-900, Brazil
| | | | - Ernesto Chaves Pereira
- Postdoctoral Program in Chemistry, Federal University of São Carlos, São Carlos 13565-905, Brazil
| | - Daiana Silva Ávila
- Graduate Program in Biological Sciences, Toxicological Biochemistry, Federal University of Santa Maria, Santa Maria 97105-900, Brazil
- Graduate Program in Biochemistry, Federal University of Pampa (UNIPAMPA), Uruguaiana 97501-970, Brazil
| | - Dante Homero Mosca
- Postdoctoral Program in Physics, Federal University of Paraná, Curitiba 80060-000, Brazil
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15
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Pilissão LEB, Rodrigues CF, Porto D, Brabo GR, Tassinari da Silva A, Puntel RL, Paim CS, Denardin CC, Ávila DS. Reprotoxicity induced by acute exposure to aqueous tuber extract of Peruvian Maca (Lepidium meyenii Walp.) in Caenorhabditis elegans. J Appl Toxicol 2023. [PMID: 36735643 DOI: 10.1002/jat.4441] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2022] [Revised: 01/22/2023] [Accepted: 01/30/2023] [Indexed: 02/04/2023]
Abstract
Maca (Lepidium meyenii Walp.) has been used in folk medicine to treat fertility disturbances, a claim that has been evidenced in some studies. However, the clinical trials validating this use have shown paradoxical findings and then maca safety is not well known. This study investigated the effects and mechanisms by which maca affects the reproductive system using an in vivo model, the nematode Caenorhabditis elegans. Tuber maca powder, obtained from local commerce, was used to prepare the aqueous extract. Worms were acutely exposed to maca extracts (40, 120, 240, and 330 μg/μl), and 48 h after treatments, physiological and biochemical assays were conducted. Maca extract caused a significant decrease in total number of eggs and in the number of eggs per worm. These effects were associated to increased lipid peroxidation, reduced triacylglycerol levels, and also impaired vit-2 (vitellogenin) expression, besides increase in the number of apoptotic germline cells. We have found quantifiable levels of alkaloids in this maca extract, which presence could be related to this toxicity. Collectively, our data suggest that maca extract exposure causes reproductive toxicity to worms that could be, at least in part, associated to both an increase in apoptosis of germline cells and also to a decrease in vitellogenin expression, needed for egg yolk production and, consequently, successful reproduction.
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Affiliation(s)
| | | | - Douglas Porto
- Graduation Program in Pharmaceutical Sciences, Federal University of Pampa, UNIPAMPA, Uruguaiana, Brazil
| | - Gabriela Rossi Brabo
- Graduation Program in Pharmaceutical Sciences, Federal University of Pampa, UNIPAMPA, Uruguaiana, Brazil
| | | | - Robson Luiz Puntel
- Graduation Program in Biochemistry, Federal University of Pampa, UNIPAMPA, Uruguaiana, Brazil
| | - Clésio Soldatelli Paim
- Graduation Program in Pharmaceutical Sciences, Federal University of Pampa, UNIPAMPA, Uruguaiana, Brazil
| | | | - Daiana Silva Ávila
- Graduation Program in Biochemistry, Federal University of Pampa, UNIPAMPA, Uruguaiana, Brazil
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16
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Agarrayua DA, Funguetto-Ribeiro AC, Trevisan P, Haas SE, Ávila DS. Safety assessment of different unloaded polymeric nanocapsules in Caenorhabditis elegans. Comp Biochem Physiol C Toxicol Pharmacol 2023; 263:109477. [PMID: 36182082 DOI: 10.1016/j.cbpc.2022.109477] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/22/2022] [Revised: 09/16/2022] [Accepted: 09/25/2022] [Indexed: 11/18/2022]
Abstract
Nano-sized drug delivery systems have been the subject of intense research in recent years because polymeric materials allow the absorption and release of active substances in a controlled manner. Despite the benefits, the safety of nanoparticulate systems is an aspect to be understood, particularly in vivo systems. Caenorhabditis elegans is a very useful alternative model for nanotoxicology and has been recently applied in this field. The aim of this study was to evaluate toxicological endpoints in C. elegans exposed to nanocapsules (NC) prepared with different coatings: polysorbate 80 (NCP80); polyethylene glycol (NCPEG), Eudragit® RS 100 (NCEUD) and chitosan (NCCS). Nanocapsules were prepared by nanoprecipitation method and showed acceptable physico-chemical characterization. Polyethylene glycol nanocapsules and chitosan nanocapsules increased worms lethality in a dose-dependent manner in acute exposure; polysorbate 80 nanocapsules, polyethylene glycol nanocpsules and chitonan nanocapsules also increased lethality following chronic exposure. Chitosan nanocapsules were the most toxic in all exposures, demonstrating toxicity even at low concentrations. Reproduction and body length were not affected by any of the nanocapsules exposures. The expression of superoxide dismutase showed that polysorbate 80 nanocapsules at the highest concentration slightly increased SOD-3::GFP expression. On the other hand, chitosan nanocapsules exposure blunted SOD-3 expression. This work demonstrates the toxicological differences between nanocapsule produced with different coatings and indicates higher safety for the use of eugragit nanocapsule in new formulations for future drug delivery and targeting systems.
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Affiliation(s)
- Danielle Araujo Agarrayua
- Grupo de Pesquisa em Bioquímica e Toxicologia em Caenorhabditis elegans (GBToxCe), Universidade Federal do Pampa, UNIPAMPA, Uruguaiana, Brazil; Programa de Pós-graduação em Bioquímica, Universidade Federal do Pampa - UNIPAMPA, CEP 97500-970 Uruguaiana, RS, Brazil
| | - Ana Claudia Funguetto-Ribeiro
- Programa de Pós-graduação em Bioquímica, Universidade Federal do Pampa - UNIPAMPA, CEP 97500-970 Uruguaiana, RS, Brazil; Laboratório de Nanobiotecnologia, Universidade Federal do Pampa, UNIPAMPA, Uruguaiana, Brazil
| | - Paula Trevisan
- Grupo de Pesquisa em Bioquímica e Toxicologia em Caenorhabditis elegans (GBToxCe), Universidade Federal do Pampa, UNIPAMPA, Uruguaiana, Brazil
| | - Sandra Elisa Haas
- Programa de Pós-graduação em Bioquímica, Universidade Federal do Pampa - UNIPAMPA, CEP 97500-970 Uruguaiana, RS, Brazil; Laboratório de Nanobiotecnologia, Universidade Federal do Pampa, UNIPAMPA, Uruguaiana, Brazil
| | - Daiana Silva Ávila
- Grupo de Pesquisa em Bioquímica e Toxicologia em Caenorhabditis elegans (GBToxCe), Universidade Federal do Pampa, UNIPAMPA, Uruguaiana, Brazil; Programa de Pós-graduação em Bioquímica, Universidade Federal do Pampa - UNIPAMPA, CEP 97500-970 Uruguaiana, RS, Brazil.
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Fidelis EM, Savall ASP, de Oliveira Pereira F, Quines CB, Ávila DS, Pinton S. Pitanga (Eugenia uniflora L.) as a source of bioactive compounds for health benefits: A review. ARAB J CHEM 2022. [DOI: 10.1016/j.arabjc.2022.103691] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
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Soares MV, Mesadri J, Gonçalves DF, Cordeiro LM, Franzen da Silva A, Obetine Baptista FB, Wagner R, Dalla Corte CL, Soares FAA, Ávila DS. Neurotoxicity induced by toluene: In silico and in vivo evidences of mitochondrial dysfunction and dopaminergic neurodegeneration. Environ Pollut 2022; 298:118856. [PMID: 35033616 DOI: 10.1016/j.envpol.2022.118856] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/25/2021] [Revised: 12/21/2021] [Accepted: 01/12/2022] [Indexed: 06/14/2023]
Abstract
Toluene is an air pollutant widely used as an organic solvent in industrial production and emitted by fossil fuel combustion, in addition to being used as a drug of abuse. Its toxic effects in the central nervous system have not been well established, and how and which neurons are affected remains unknown. Hence, this study aimed to fill this gap by investigating three central questions: 1) How does toluene induce neurotoxicity? 2) Which neurons are affected? And 3) What are the long-term effects induced by airborne exposure to toluene? To this end, a Caenorhabditis elegans model was employed, in which worms at the fourth larval stage were exposed to toluene in the air for 24 h in a vapor chamber to simulate four exposure scenarios. After the concentration-response curve analysis, we chose scenarios 3 (E3: 792 ppm) and 4 (E4: 1094 ppm) for the following experiments. The assays were performed 1, 48, or 96 h after removal from the exposure environments, and an irreversible reduction in neuron fluorescence and morphologic alterations were observed in different neurons of exposed worms, particularly in the dopaminergic neurons. Moreover, a significant impairment in a dopaminergic-dependent behavior was also associated with negative effects in healthspan endpoints, and we also noted that mitochondria may be involved in toluene-induced neurotoxicity since lower adenosine 5'-triphosphate (ATP) levels and mitochondrial viability were observed. In addition, a reduction of electron transport chain activity was evidenced using ex vivo protocols, which were reinforced by in silico and in vitro analysis, demonstrating toluene action in the mitochondrial complexes. Based on these findings model, it is plausible that toluene neurotoxicity can be initiated by complex I inhibition, triggering a mitochondrial dysfunction that may lead to irreversible dopaminergic neuronal death, thus impairing neurobehavioral signaling.
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Affiliation(s)
- Marcell Valandro Soares
- Departamento de Bioquímica e Biologia Molecular, Centro de Ciências Naturais e Exatas, Programa de Pós-graduação em Ciências Biológicas, Bioquímica Toxicológica, Universidade Federal de Santa Maria, Camobi, 97105-900, Santa Maria, RS, Brazil; Grupo de Pesquisa em Bioquímica e Toxicologia em Caenorhabditis elegans (GBToxCe), Universidade Federal do Pampa - UNIPAMPA, CEP 97500-970, Uruguaiana, RS, Brazil
| | - Juliana Mesadri
- Departamento: Tecnologia e Ciência dos Alimentos, Centro de Ciência Rurais, Programa de Pós-graduação em Ciência e Tecnologia dos Alimentos, Universidade Federal de Santa Maria, RS, Brazil
| | - Débora Farina Gonçalves
- Departamento de Bioquímica e Biologia Molecular, Centro de Ciências Naturais e Exatas, Programa de Pós-graduação em Ciências Biológicas, Bioquímica Toxicológica, Universidade Federal de Santa Maria, Camobi, 97105-900, Santa Maria, RS, Brazil
| | - Larissa Marafiga Cordeiro
- Departamento de Bioquímica e Biologia Molecular, Centro de Ciências Naturais e Exatas, Programa de Pós-graduação em Ciências Biológicas, Bioquímica Toxicológica, Universidade Federal de Santa Maria, Camobi, 97105-900, Santa Maria, RS, Brazil
| | - Aline Franzen da Silva
- Departamento de Bioquímica e Biologia Molecular, Centro de Ciências Naturais e Exatas, Programa de Pós-graduação em Ciências Biológicas, Bioquímica Toxicológica, Universidade Federal de Santa Maria, Camobi, 97105-900, Santa Maria, RS, Brazil
| | - Fabiane Bicca Obetine Baptista
- Departamento de Bioquímica e Biologia Molecular, Centro de Ciências Naturais e Exatas, Programa de Pós-graduação em Ciências Biológicas, Bioquímica Toxicológica, Universidade Federal de Santa Maria, Camobi, 97105-900, Santa Maria, RS, Brazil
| | - Roger Wagner
- Departamento: Tecnologia e Ciência dos Alimentos, Centro de Ciência Rurais, Programa de Pós-graduação em Ciência e Tecnologia dos Alimentos, Universidade Federal de Santa Maria, RS, Brazil
| | - Cristiane Lenz Dalla Corte
- Departamento de Bioquímica e Biologia Molecular, Centro de Ciências Naturais e Exatas, Programa de Pós-graduação em Ciências Biológicas, Bioquímica Toxicológica, Universidade Federal de Santa Maria, Camobi, 97105-900, Santa Maria, RS, Brazil
| | - Félix Alexandre Antunes Soares
- Departamento de Bioquímica e Biologia Molecular, Centro de Ciências Naturais e Exatas, Programa de Pós-graduação em Ciências Biológicas, Bioquímica Toxicológica, Universidade Federal de Santa Maria, Camobi, 97105-900, Santa Maria, RS, Brazil
| | - Daiana Silva Ávila
- Grupo de Pesquisa em Bioquímica e Toxicologia em Caenorhabditis elegans (GBToxCe), Universidade Federal do Pampa - UNIPAMPA, CEP 97500-970, Uruguaiana, RS, Brazil.
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Pereira FSDO, Barbosa FAR, Canto RFS, Lucchese C, Pinton S, Braga AL, Azeredo JBD, Quines CB, Ávila DS. Dihydropyrimidinone-derived selenoesters efficacy and safety in an in vivo model of Aβ aggregation. Neurotoxicology 2021; 88:14-24. [PMID: 34718060 DOI: 10.1016/j.neuro.2021.10.012] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2021] [Revised: 10/15/2021] [Accepted: 10/26/2021] [Indexed: 12/15/2022]
Abstract
In a previous in vitro study, dihydropyrimidinone-derived selenoesteres demonstrated antioxidant properties, metal chelators and inhibitory acetylcholinesterase (AChE) activity, making these compounds promising candidates for Alzheimer's Disease (AD) treatment. However, these effects have yet to be demonstrated in an in vivo animal model; therefore, this study aimed to evaluate the safety and efficacy of eight selenoester compounds in a Caenorhabditis elegans model using transgenic strains for amyloid-beta peptide (Aβ) aggregation. The L1 stage worms were acutely exposed (30 min) to the compounds at concentrations ranging from 5 to 200 μM and after 48 h the maintenance temperature was increased to 25 ° C for Aβ expression and aggregation. After 48 h, several parameters related to phenotypic manifestations of Aβ toxicity and mechanistic elucidation were analyzed. At the concentrations tested no significant toxicity of the compounds was found. The selenoester compound FA90 significantly reduced the rate of paralyzed worms and increased the number of swimming movements compared to the untreated worms. In addition, FA90 and FA130 improved egg-laying induced by levamisole and positively modulated HSP-6 and HSP-4 expression, thereby increasing reticular and mitochondrial protein folding response in C. elegans, which could attenuate Aβ aggregation in early exposure. Therefore, our initial screening using an alternative model demonstrated that FA90, among the eight selenoesters evaluated, was the most promising compound for AD evaluation screening in more complex animals.
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Affiliation(s)
- Flávia Suelen de Oliveira Pereira
- Graduate Program in Biochemistry, Laboratory of Biochemistry and Toxicology in Caenorhabditis elegans, Federal University of Pampa, Uruguaiana, RS, Brazil
| | - Flavio Augusto Rocha Barbosa
- Laboratory of Synthesis of Bioactive Selenium Compounds (LabSelen), Chemistry Department, Federal University of Santa Catarina (UFSC), Florianópolis, SC, Brazil
| | - Rômulo Farias Santos Canto
- Department of Pharmacosciences, Federal University of Health Sciences of Porto Alegre, Porto Alegre, RS, Brazil
| | | | - Simone Pinton
- Graduate Program in Biochemistry, Laboratory of Biochemistry and Toxicology in Caenorhabditis elegans, Federal University of Pampa, Uruguaiana, RS, Brazil
| | - Antônio Luiz Braga
- Laboratory of Synthesis of Bioactive Selenium Compounds (LabSelen), Chemistry Department, Federal University of Santa Catarina (UFSC), Florianópolis, SC, Brazil
| | - Juliano Braun de Azeredo
- Graduate Program in Pharmaceutical Sciences, Pharmacy Course, Federal University of Pampa, Uruguaiana, RS, Brazil
| | - Caroline Brandão Quines
- Graduate Program in Biochemistry, Laboratory of Biochemistry and Toxicology in Caenorhabditis elegans, Federal University of Pampa, Uruguaiana, RS, Brazil
| | - Daiana Silva Ávila
- Graduate Program in Biochemistry, Laboratory of Biochemistry and Toxicology in Caenorhabditis elegans, Federal University of Pampa, Uruguaiana, RS, Brazil.
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Kuhn EC, Jacques MT, Teixeira D, Meyer S, Gralha T, Roehrs R, Camargo S, Schwerdtle T, Bornhorst J, Ávila DS. Ecotoxicological assessment of Uruguay River and affluents pre- and post-pesticides' application using Caenorhabditis elegans for biomonitoring. Environ Sci Pollut Res Int 2021; 28:21730-21741. [PMID: 33411293 DOI: 10.1007/s11356-020-11986-4] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/07/2020] [Accepted: 12/06/2020] [Indexed: 06/12/2023]
Abstract
Uruguay River is the most important river in western Rio Grande do Sul, separating Brazil from Argentina and Uruguay. However, its pollution is of great concern due to agricultural activities in the region and the extensive use of pesticides. In a long term, this practice leads to environmental pollution, especially to the aquatic system. The objective of this study was to analyze the physicochemical characteristics, metals and pesticides levels in water samples obtained before and after the planting and pesticides' application season from three sites: Uruguay River and two minor affluents, Mezomo Dam and Salso Stream. For biomonitoring, the free-living nematode Caenorhabditis elegans was used, which were exposed for 24 h. We did not find any significant alteration in physicochemical parameters. In the pre- and post-pesticides' samples we observed a residual presence of three pesticides (tebuconazole, imazethapyr, and clomazone) and metals which levels were above the recommended (As, Hg, Fe, and Mn). Exposure to both pre- and post-pesticides' samples impaired C. elegans reproduction and post-pesticides samples reduced worms' survival rate and lifespan. PCA analysis indicated that the presence of metals and pesticides are important variables that impacted C. elegans biological endpoints. Our data demonstrates that Uruguay River and two affluents are contaminated independent whether before or after pesticides' application season. In addition, it reinforces the usefulness of biological indicators, since simple physicochemical analyses are not sufficient to attest water quality and ecological safety.
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Affiliation(s)
- Eugênia Carla Kuhn
- Laboratório de Bioquímica e Toxicologia em Caenorhabditis elegans, Programa de Pós-Graduação em Bioquímica, Universidade Federal do Pampa- UNIPAMPA, Campus Uruguaiana, BR 472 - Km 592 - Caixa Postal 118, Uruguaiana, RS, CEP 97500-970, Brazil
| | - Maurício Tavares Jacques
- Laboratório de Bioquímica e Toxicologia em Caenorhabditis elegans, Programa de Pós-Graduação em Bioquímica, Universidade Federal do Pampa- UNIPAMPA, Campus Uruguaiana, BR 472 - Km 592 - Caixa Postal 118, Uruguaiana, RS, CEP 97500-970, Brazil
| | - Daniela Teixeira
- Laboratório de Estudos Físico-químicos e Produtos Naturais, Universidade Federal do Pampa, Campus Uruguaiana, Uruguaiana, Brazil
| | - Sören Meyer
- Institute of Nutritional Science, University of Potsdam, Nuthetal, Germany
| | - Thiago Gralha
- Núcleo de Pesquisa em Ictiologia, Limnologia e aquicultura da Bacia do Rio Uruguai, Universidade Federal do Pampa, Campus Uruguaiana, Uruguaiana, Brazil
| | - Rafael Roehrs
- Laboratório de Estudos Físico-químicos e Produtos Naturais, Universidade Federal do Pampa, Campus Uruguaiana, Uruguaiana, Brazil
| | - Sandro Camargo
- Programa de Pós-Graduação em Computação Aplicada (PPGCAP), Universidade Federal do Pampa, Campus Bagé, Bagé, Brazil
| | - Tanja Schwerdtle
- Institute of Nutritional Science, University of Potsdam, Nuthetal, Germany
| | - Julia Bornhorst
- Food Chemistry, Faculty of Mathematics and Natural Sciences, University of Wuppertal, Wuppertal, Germany
| | - Daiana Silva Ávila
- Laboratório de Bioquímica e Toxicologia em Caenorhabditis elegans, Programa de Pós-Graduação em Bioquímica, Universidade Federal do Pampa- UNIPAMPA, Campus Uruguaiana, BR 472 - Km 592 - Caixa Postal 118, Uruguaiana, RS, CEP 97500-970, Brazil.
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21
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Gutierrez MEZ, Savall ASP, da Luz Abreu E, Nakama KA, Dos Santos RB, Guedes MCM, Ávila DS, Luchese C, Haas SE, Quines CB, Pinton S. Co-nanoencapsulated meloxicam and curcumin improves cognitive impairment induced by amyloid-beta through modulation of cyclooxygenase-2 in mice. Neural Regen Res 2021; 16:783-789. [PMID: 33063743 PMCID: PMC8067937 DOI: 10.4103/1673-5374.295339] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
Alzheimer’s disease (AD) is a progressive brain disorder and complex mechanisms are involved in the physiopathology of AD. However, there is data suggesting that inflammation plays a role in its development and progression. Indeed, some non-steroidal anti-inflammatory drugs, such as meloxicam, which act by inhibiting cyclooxygenase-2 (COX-2) have been used as neuroprotective agents in different neurodegenerative disease models. The purpose of this study was to investigate the effects of co-nanoencapsulated curcumin and meloxicam in lipid core nanocapsules (LCN) on cognitive impairment induced by amyloid-beta peptide injection in mice. LCN were prepared by the nanoprecipitation method. Male Swiss mice received a single intracerebroventricular injection of amyloid-beta peptide aggregates (fragment 25–35, 3 nmol/3 μL) or vehicle and were subsequently treated with curcumin-loaded LCN (10 mg/kg) or meloxicam-loaded LCN (5 mg/kg) or meloxicam + curcumin-co-loaded LCN (5 and 10 mg/kg, respectively). Treatments were given on alternate days for 12 days (i.e., six doses, once every 48 hours, by intragastric gavage). Our data showed that amyloid-beta peptide infusion caused long-term memory deficits in the inhibitory avoidance and object recognition tests in mice. In the inhibitory avoidance test, both meloxicam and curcumin formulations (oil or co-loaded LCN) improved amyloid-beta-induced memory impairment in mice. However, only meloxicam and curcumin-co-loaded LCN attenuated non-aversive memory impairment in the object recognition test. Moreover, the beneficial effects of meloxicam and curcumin-co-loaded LCN could be explained by the anti-inflammatory properties of these drugs through cortical COX-2 downregulation. Our study suggests that the neuroprotective potential of meloxicam and curcumin co-nanoencapsulation is associated with cortical COX-2 modulation. This study was approved by the Committee on Care and Use of Experimental Animal Resources, the Federal University of Pampa, Brazil (approval No. 02-2015) on April 16, 2015.
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Affiliation(s)
| | - Anne Suély Pinto Savall
- Postgraduation Program in Biochemistry, Federal University of Pampa (UNIPAMPA), Uruguaiana, RS, Brazil
| | - Edina da Luz Abreu
- Postgraduation Program in Biochemistry, Federal University of Pampa (UNIPAMPA), Uruguaiana, RS, Brazil
| | - Kelly Ayumi Nakama
- Postgraduation Program in Pharmaceutical Science, Federal University of Pampa (UNIPAMPA), Uruguaiana, RS, Brazil
| | - Renata Bem Dos Santos
- Postgraduation Program in Pharmaceutical Science, Federal University of Pampa (UNIPAMPA), Uruguaiana, RS, Brazil
| | | | - Daiana Silva Ávila
- Postgraduation Program in Biochemistry, Federal University of Pampa (UNIPAMPA), Uruguaiana, RS, Brazil
| | - Cristiane Luchese
- Postgraduation Program in Biochemistry and Bioprospecting, Federal University of Pelotas (UFPEL), Capão do Leão, RS, Brazil
| | - Sandra Elisa Haas
- Postgraduation Program in Biochemistry; Postgraduation Program in Pharmaceutical Science, Federal University of Pampa (UNIPAMPA), Uruguaiana, RS, Brazil
| | - Caroline Brandão Quines
- Postgraduation Program in Biochemistry, Federal University of Pampa (UNIPAMPA), Uruguaiana, RS, Brazil
| | - Simone Pinton
- Postgraduation Program in Biochemistry, Federal University of Pampa (UNIPAMPA), Uruguaiana, RS, Brazil
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dos Santos FB, Quines CB, Pilissão LEB, Dal Forno AHDC, Rodrigues CF, Denardin CC, Farias FM, Ávila DS. Aqueous Bark Extract of Ceiba speciosa (A. St.-Hill) Ravenna Protects against Glucose Toxicity in Caenorhabditis elegans. Oxid Med Cell Longev 2020; 2020:1321354. [PMID: 33101582 PMCID: PMC7568133 DOI: 10.1155/2020/1321354] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/29/2020] [Revised: 07/01/2020] [Accepted: 07/25/2020] [Indexed: 12/25/2022]
Abstract
Plants are widely used in folk medicine because of their pharmacological properties. Ceiba speciosa, popularly known as paineira-rosa or tree-of-wool, is a species found in the Northwest of Rio Grande do Sul, being native of the upper Uruguay River, Brazil. The tea obtained from the stem bark is employed in folk medicine to reduce cholesterol, triacylglycerides, and glucose levels. However, there are no studies in the literature proving its efficacy or the safety of its use. For this study, we used Caenorhabditis elegans as an animal model considering its advantages for risk assessment and pharmacological screenings. For the toxicological tests, C. elegans N2 (wild type) was treated with the aqueous extract of the stem bark of C. speciosa (ECE) at the first larval stage (L1) at concentrations of 5, 25, 50, and 250 μg/mL. To evaluate biological activities, we challenged the extract for oxidative stress resistance in the presence of paraquat (0.5 mM), H2O2 (1 mM), and against glucose-induced toxicity. Our results demonstrated that ECE did not alter survival rate, pharyngeal pumping, and reproduction of the nematodes. The extract was not able to protect the nematodes against the toxicity induced by prooxidants. Notably, ECE protected against glucotoxicity by increasing worms' life span and by reducing glucose levels. On the other hand, ECE treatment did not reduce lipid accumulation induced by exogenous glucose feeding, as observed in worms which lipid droplets were tagged with GFP. Based on our results, we believe that the extract is indeed promising for further studies focusing on carbohydrates metabolism; however, it needs to be carefully evaluated since the extract does not seem to modulate lipid accumulation.
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Affiliation(s)
- Fabrine Bianchin dos Santos
- Laboratório de Pesquisa em Bioquímica e Toxicologia em Caenorhabditis elegans, Programa de Pós-Graduação em Bioquímica, Universidade Federal do Pampa, Uruguaiana, Brazil BR 472-Km 592-Caixa Postal 118, CEP 97500-970
| | - Caroline Brandão Quines
- Laboratório de Pesquisa em Bioquímica e Toxicologia em Caenorhabditis elegans, Programa de Pós-Graduação em Bioquímica, Universidade Federal do Pampa, Uruguaiana, Brazil BR 472-Km 592-Caixa Postal 118, CEP 97500-970
| | - Luiz Eduardo Ben Pilissão
- Laboratório de Pesquisa em Bioquímica e Toxicologia em Caenorhabditis elegans, Programa de Pós-Graduação em Bioquímica, Universidade Federal do Pampa, Uruguaiana, Brazil BR 472-Km 592-Caixa Postal 118, CEP 97500-970
| | - Ana Helena de Castro Dal Forno
- Laboratório de Pesquisa em Bioquímica e Toxicologia em Caenorhabditis elegans, Programa de Pós-Graduação em Bioquímica, Universidade Federal do Pampa, Uruguaiana, Brazil BR 472-Km 592-Caixa Postal 118, CEP 97500-970
| | - Cristiane Freitas Rodrigues
- Laboratório de Pesquisa em Bioquímica e Toxicologia em Caenorhabditis elegans, Programa de Pós-Graduação em Bioquímica, Universidade Federal do Pampa, Uruguaiana, Brazil BR 472-Km 592-Caixa Postal 118, CEP 97500-970
| | - Cristiane Casagrande Denardin
- Laboratório de Pesquisa em Bioquímica e Toxicologia em Caenorhabditis elegans, Programa de Pós-Graduação em Bioquímica, Universidade Federal do Pampa, Uruguaiana, Brazil BR 472-Km 592-Caixa Postal 118, CEP 97500-970
| | - Fabiane Moreira Farias
- Programa de Pós-Graduação em Ciências Farmacêuticas, Universidade Federal do Pampa, Uruguaiana, Brazil BR 472-Km 592-Caixa Postal 118, CEP 97500-970
| | - Daiana Silva Ávila
- Laboratório de Pesquisa em Bioquímica e Toxicologia em Caenorhabditis elegans, Programa de Pós-Graduação em Bioquímica, Universidade Federal do Pampa, Uruguaiana, Brazil BR 472-Km 592-Caixa Postal 118, CEP 97500-970
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Soares ATG, da Silva AC, Tinkov AA, Khan H, Santamaría A, Skalnaya MG, Skalny AV, Tsatsakis A, Bowman AB, Aschner M, Ávila DS. The impact of manganese on neurotransmitter systems. J Trace Elem Med Biol 2020; 61:126554. [PMID: 32480053 PMCID: PMC7677177 DOI: 10.1016/j.jtemb.2020.126554] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/02/2020] [Revised: 04/09/2020] [Accepted: 05/15/2020] [Indexed: 02/07/2023]
Abstract
BACKGROUND Manganese (Mn) is a metal ubiquitously present in nature and essential for many living organisms. As a trace element, it is required in small amounts for the proper functioning of several important enzymes, and reports of Mn deficiency are indeed rare. METHODS This mini-review will cover aspects of Mn toxicokinetics and its impact on brain neurotransmission, as well as its Janus-faced effects on humans and other animal's health. RESULTS The estimated safe upper limit of intracellular Mn for physiological function is in anarrow range of 20-53 μM.Therefore, intake of higher levels of Mn and the outcomes, especially to the nervous system, have been well documented. CONCLUSION The metal affects mostly the brain by accumulating in specific areas, altering cognitive functions and locomotion, thus severely impacting the health of the exposed organisms.
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Affiliation(s)
- Ana Thalita Gonçalves Soares
- Laboratory of Biochemistry and Toxicology in Caenorhabditis elegans, Graduation Program in Biochemistry, Federal University of Pampa Campus Uruguaiana, RS, Brazil
| | - Aline Castro da Silva
- Laboratory of Biochemistry and Toxicology in Caenorhabditis elegans, Graduation Program in Biochemistry, Federal University of Pampa Campus Uruguaiana, RS, Brazil
| | - Alexey A. Tinkov
- Yaroslavl State University, Yaroslavl, Russia
- IM Sechenov First Moscow State Medical University, Moscow, Russia
- Federal Scientific Center of Biological Systems and Agrotechnologies of the Russian Academy of Sciences, 460000, Orenburg, Russia
| | - Haroon Khan
- Department of pharmacy, Abdul Wali khan University Mardan 23200, Pakistan
| | - Abel Santamaría
- Laboratorio de Aminoácidos Excitadores, Instituto Nacional de Neurología y Neurocirugía, SSA. Mexico City, Mexico
| | | | - Anatoly V. Skalny
- IM Sechenov First Moscow State Medical University, Moscow, Russia
- Federal Scientific Center of Biological Systems and Agrotechnologies of the Russian Academy of Sciences, 460000, Orenburg, Russia
| | - Aristidis Tsatsakis
- Laboratory of Toxicology, Medical School, School of Medicine, University of Crete, Heraklion 71003, Greece
| | - Aaron B. Bowman
- School of Health Sciences, Purdue University, West Lafayette, IN 47906, USA
| | - Michael Aschner
- IM Sechenov First Moscow State Medical University, Moscow, Russia
- Department of Molecular Pharmacology, Albert Einstein College of Medicine, 1300 Morris Park Avenue, Bronx, NY 10461, USA
| | - Daiana Silva Ávila
- Laboratory of Biochemistry and Toxicology in Caenorhabditis elegans, Graduation Program in Biochemistry, Federal University of Pampa Campus Uruguaiana, RS, Brazil
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Soares MV, Charão MF, Jacques MT, Dos Santos ALA, Luchese C, Pinton S, Ávila DS. Airborne toluene exposure causes germline apoptosis and neuronal damage that promotes neurobehavioural changes in Caenorhabditis elegans. Environ Pollut 2020; 256:113406. [PMID: 31662251 DOI: 10.1016/j.envpol.2019.113406] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/03/2019] [Revised: 10/13/2019] [Accepted: 10/14/2019] [Indexed: 06/10/2023]
Abstract
Toluene is a highly volatile organic solvent present in gasoline. Exposure mainly occurs by absorption via the pulmonary tract and easily reaches the central nervous system, which causes toxic effects. Toluene toxicity has been described but not well established. The present work aimed to evaluate the effects of airborne exposure to toluene, the in vivo model Caenorhabditis elegans was assessed to determine whether nematode could be used to evaluate the effects of exposure to toluene and the possible mechanisms of toxicity of the solvent. Worms at the first or fourth larval stages were exposed to toluene for 48 or 24 h, respectively, in a laboratory-developed vapor chamber at concentrations of 450, 850, 1250 and 1800 ppm. We observed increases in worm mortality and significant developmental delays that occurred in a concentration-dependent manner. An increased incidence of apoptotic events in treated germline cells was shown, which was consistent with observed reductions in reproductive capacity. In addition, toluene promoted significant behavioural changes affecting swimming movements and radial locomotion, which were associated with changes in the fluorescence intensity and morphology of GABAergic and cholinergic neurons. We conclude that toluene exposure was toxic to C. elegans, with effects produced by the induction of apoptosis and neuronal damage.
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Affiliation(s)
- Marcell Valandro Soares
- Programa de Pós-Graduação em Bioquímica, Grupo de pesquisa em Bioquímica e Toxicologia em Caenorhabditis elegans (GBToxCe), Universidade Federal do Pampa, Uruguaiana, RS, 97500-970, Brazil
| | - Mariele Feiffer Charão
- Laboratório de Toxicologia Analítica, Universidade Feevale, Rua Rubem Berta, nº 200, Novo Hamburgo, CEP: 93525-090, RS, Brazil
| | - Mauricio Tavares Jacques
- Programa de Pós-Graduação em Bioquímica, Grupo de pesquisa em Bioquímica e Toxicologia em Caenorhabditis elegans (GBToxCe), Universidade Federal do Pampa, Uruguaiana, RS, 97500-970, Brazil; Laboratório de Experimentação em Neuropatologia - Departamento de Bioquímica, CCB, Universidade Federal de Santa Catarina, Bloco C, Trindade, Florianópolis, SC, CEP 88040-900, Brazil
| | - Ana Laura Anibaletto Dos Santos
- Laboratório de Toxicologia Analítica, Universidade Feevale, Rua Rubem Berta, nº 200, Novo Hamburgo, CEP: 93525-090, RS, Brazil
| | - Cristiane Luchese
- Programa de Pós-Graduação em Bioquímica e Bioprospecção, Laboratório de Pesquisa em Farmacologia Bioquímica (LaFarBio), Grupo de Pesquisa em Neurobiotecnologia (GPN), Universidade Federal de Pelotas, Pelotas, RS, 96010-900, Brazil
| | - Simone Pinton
- Programa de Pós-Graduação em Bioquímica, Grupo de pesquisa em Bioquímica e Toxicologia em Caenorhabditis elegans (GBToxCe), Universidade Federal do Pampa, Uruguaiana, RS, 97500-970, Brazil
| | - Daiana Silva Ávila
- Programa de Pós-Graduação em Bioquímica, Grupo de pesquisa em Bioquímica e Toxicologia em Caenorhabditis elegans (GBToxCe), Universidade Federal do Pampa, Uruguaiana, RS, 97500-970, Brazil.
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Savall ASP, Fidélis EM, Gutierrez MEZ, Martins BB, Gervini VC, Puntel RL, Roos DH, Ávila DS, Pinton S. Pre‐clinical evidence of safety and protective effect of isatin and oxime derivatives against malathion‐induced toxicity. Basic Clin Pharmacol Toxicol 2019; 126:399-410. [DOI: 10.1111/bcpt.13359] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2019] [Accepted: 10/28/2019] [Indexed: 12/22/2022]
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Souto C, Göethel G, Peruzzi CP, Cestonaro LV, Garcia I, Ávila DS, Eifler‐Lima V, Carmo H, Bastos MDL, Garcia SC, Arbo MD. Piperazine designer drugs elicit toxicity in the alternative in vivo model
Caenorhabditis elegans. J Appl Toxicol 2019; 40:363-372. [DOI: 10.1002/jat.3909] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2019] [Accepted: 09/06/2019] [Indexed: 12/17/2022]
Affiliation(s)
- Caroline Souto
- Laboratório de Toxicologia (LATOX), Departamento de Análises, Faculdade de FarmáciaUniversidade Federal do Rio Grande do Sul (UFRGS) Porto Alegre RS Brazil
| | - Gabriela Göethel
- Laboratório de Toxicologia (LATOX), Departamento de Análises, Faculdade de FarmáciaUniversidade Federal do Rio Grande do Sul (UFRGS) Porto Alegre RS Brazil
- Programa de Pós‐Graduação em Ciências Farmacêuticas, Faculdade de FarmáciaUniversidade Federal do Rio Grande do Sul (UFRGS) Porto Alegre RS Brazil
| | - Caroline Portela Peruzzi
- Laboratório de Toxicologia (LATOX), Departamento de Análises, Faculdade de FarmáciaUniversidade Federal do Rio Grande do Sul (UFRGS) Porto Alegre RS Brazil
- Programa de Pós‐Graduação em Ciências Farmacêuticas, Faculdade de FarmáciaUniversidade Federal do Rio Grande do Sul (UFRGS) Porto Alegre RS Brazil
| | - Larissa Vivan Cestonaro
- Laboratório de Toxicologia (LATOX), Departamento de Análises, Faculdade de FarmáciaUniversidade Federal do Rio Grande do Sul (UFRGS) Porto Alegre RS Brazil
- Programa de Pós‐Graduação em Ciências Farmacêuticas, Faculdade de FarmáciaUniversidade Federal do Rio Grande do Sul (UFRGS) Porto Alegre RS Brazil
| | - Ingrid Garcia
- Laboratório de Toxicologia (LATOX), Departamento de Análises, Faculdade de FarmáciaUniversidade Federal do Rio Grande do Sul (UFRGS) Porto Alegre RS Brazil
| | - Daiana Silva Ávila
- Grupo de Pesquisa em Bioquímica e Toxicologia em Caenorhabditis elegans (GBToxCE)Universidade Federal do Pampa (UNIPAMPA) Uruguaiana RS Brazil
| | - Vera Eifler‐Lima
- Programa de Pós‐Graduação em Ciências Farmacêuticas, Faculdade de FarmáciaUniversidade Federal do Rio Grande do Sul (UFRGS) Porto Alegre RS Brazil
- Laboratório de Síntese Orgânica Medicinal (LaSOM), Departamento de Produção de Matéria Prima, Faculdade de FarmáciaUniversidade Federal do Rio Grande do Sul (UFRGS) Porto Alegre RS Brazil
| | - Helena Carmo
- UCIBIO/REQUIMTE, Laboratório de Toxicologia, Departamento de Ciências Biológicas, Faculdade de FarmáciaUniversidade do Porto Porto Portugal
| | - Maria de Lurdes Bastos
- UCIBIO/REQUIMTE, Laboratório de Toxicologia, Departamento de Ciências Biológicas, Faculdade de FarmáciaUniversidade do Porto Porto Portugal
| | - Solange C. Garcia
- Laboratório de Toxicologia (LATOX), Departamento de Análises, Faculdade de FarmáciaUniversidade Federal do Rio Grande do Sul (UFRGS) Porto Alegre RS Brazil
- Programa de Pós‐Graduação em Ciências Farmacêuticas, Faculdade de FarmáciaUniversidade Federal do Rio Grande do Sul (UFRGS) Porto Alegre RS Brazil
| | - Marcelo Dutra Arbo
- Laboratório de Toxicologia (LATOX), Departamento de Análises, Faculdade de FarmáciaUniversidade Federal do Rio Grande do Sul (UFRGS) Porto Alegre RS Brazil
- Programa de Pós‐Graduação em Ciências Farmacêuticas, Faculdade de FarmáciaUniversidade Federal do Rio Grande do Sul (UFRGS) Porto Alegre RS Brazil
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Jacques MT, Bornhorst J, Soares MV, Schwerdtle T, Garcia S, Ávila DS. Reprotoxicity of glyphosate-based formulation in Caenorhabditis elegans is not due to the active ingredient only. Environ Pollut 2019; 252:1854-1862. [PMID: 31326750 DOI: 10.1016/j.envpol.2019.06.099] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/27/2019] [Revised: 06/24/2019] [Accepted: 06/24/2019] [Indexed: 06/10/2023]
Abstract
Pesticides guarantee us high productivity in agriculture, but the long-term costs have proved too high. Acute and chronic intoxication of humans and animals, contamination of soil, water and food are the consequences of the current demand and sales of these products. In addition, pesticides such as glyphosate are sold in commercial formulations which have inert ingredients, substances with unknown composition and proportion. Facing this scenario, toxicological studies that investigate the interaction between the active principle and the inert ingredients are necessary. The following work proposed comparative toxicology studies between glyphosate and its commercial formulation using the alternative model Caenorhabditis elegans. Worms were exposed to different concentrations of the active ingredient (glyphosate in monoisopropylamine salt) and its commercial formulation. Reproductive capacity was evaluated through brood size, morphological analysis of oocytes and through the MD701 strain (bcIs39), which allows the visualization of germ cells in apoptosis. In addition, the metal composition in the commercial formulation was analyzed by ICP-MS. Only the commercial formulation of glyphosate showed significant negative effects on brood size, body length, oocyte size, and the number of apoptotic cells. Metal analysis showed the presence of Hg, Fe, Mn, Cu, Zn, As, Cd and Pb in the commercial formulation, which did not cause reprotoxicity at the concentrations found. However, metals can bioaccumulate in soil and water and cause environmental impacts. Finally, we demonstrated that the addition of inert ingredients increased the toxic profile of the active ingredient glyphosate in C. elegans, which reinforces the need of components description in the product labels.
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Affiliation(s)
- Mauricio Tavares Jacques
- Laboratório de Bioquímica e Toxicologia em Caenorhabditis Elegans, Federal University of Pampa, BR 472, Km 592, PO BOX 118, Uruguaiana, RS, Brazil; Laboratório de Experimentação em Neuropatologia, Department of Biochemistry, CCB, Federal University of Santa Catarina, Block C, Trindade, Florianópolis, SC, CEP 88040-900, Brazil
| | - Julia Bornhorst
- Department of Food Chemistry, Institute of Nutritional Science, University of Potsdam, Arthur-Scheunert-Allee 114-116, 14558 Nuthetal, Germany; TraceAge - DFG Research Unit FOR 2558, Berlin-Potsdam-Jena, Germany; Department of Food Chemistry, Faculty of Mathematics and Natural Sciences, University of Wuppertal, Gaußstraße 20, 42119 Wuppertal, Germany
| | - Marcell Valandro Soares
- Laboratório de Bioquímica e Toxicologia em Caenorhabditis Elegans, Federal University of Pampa, BR 472, Km 592, PO BOX 118, Uruguaiana, RS, Brazil
| | - Tanja Schwerdtle
- Department of Food Chemistry, Institute of Nutritional Science, University of Potsdam, Arthur-Scheunert-Allee 114-116, 14558 Nuthetal, Germany; TraceAge - DFG Research Unit FOR 2558, Berlin-Potsdam-Jena, Germany
| | - Solange Garcia
- Laboratory of Toxicology (LATOX), Federal University of Rio Grande do Sul, Avenida Ipiranga 2752, Santa Cecília, Porto Alegre, RS, 90610-000, Brazil
| | - Daiana Silva Ávila
- Laboratório de Bioquímica e Toxicologia em Caenorhabditis Elegans, Federal University of Pampa, BR 472, Km 592, PO BOX 118, Uruguaiana, RS, Brazil.
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Roncato JFF, Camara D, Brussulo Pereira TC, Quines CB, Colomé LM, Denardin C, Haas S, Ávila DS. Lipid reducing potential of liposomes loaded with ethanolic extract of purple pitanga ( Eugenia uniflora) administered to Caenorhabditis elegans. J Liposome Res 2018; 29:274-282. [PMID: 30563398 DOI: 10.1080/08982104.2018.1552705] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Abstract
The ethanolic extract obtained from purple pitanga fruit (Eugenia uniflora - PPE) has been previously described by its potential to reduce lipid accumulation in vitro. In this study, we aimed to study this potential in vivo using Caenorhabditis elegans as animal model. Considering the low pH of the extract, its hydrophilic characteristic, its absorption by the medium where the worms are cultivated and the need of a chronic exposure in the worms solid medium, we have loaded liposomes with PPE and investigated its potential for oral administration. Following 48 h exposure to the PPE-loaded liposomes on worms nematode growth medium, we did not observe any toxic effects of the formulation. Under high cholesterol diet, which increased worms total lipid and also triacylglycerides levels, liposomes containing PPE were able to significantly attenuate these alterations, which could not be observed when worms were treated with free PPE. Furthermore, we could evidence that liposomes were ingested by worms through their labelling to uranin fluorescence dye. Through total phenolic compounds quantification, we estimated an entrapment efficacy of PPE into liposomes of 87.7%. The high levels of phenolic compounds present in PPE, as previously described by our group, indicate that these antioxidants may interfere in worms lipid metabolism, which may occur through many and intricated mechanisms. Although the use of conventional liposomes for human consumption may not be pragmatic, its application for oral delivery of a hydrophilic substance in C. elegans was absolutely critical for our experimental design and has proven to be efficient.
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Affiliation(s)
- Juliana F F Roncato
- a Grupo de Pesquisa em Bioquímica e Toxicologia em Caenorhabditis elegans (GBToxCE), Universidade Federal do Pampa - UNIPAMPA , Uruguaiana , Brazil
| | - Daniela Camara
- a Grupo de Pesquisa em Bioquímica e Toxicologia em Caenorhabditis elegans (GBToxCE), Universidade Federal do Pampa - UNIPAMPA , Uruguaiana , Brazil
| | - Thais Carla Brussulo Pereira
- b Programa de Pós-Graduação em Ciências Farmacêuticas, Universidade Federal do Pampa - UNIPAMPA , Uruguaiana , Brazil
| | - Caroline Brandão Quines
- a Grupo de Pesquisa em Bioquímica e Toxicologia em Caenorhabditis elegans (GBToxCE), Universidade Federal do Pampa - UNIPAMPA , Uruguaiana , Brazil
| | - Letícia Marques Colomé
- b Programa de Pós-Graduação em Ciências Farmacêuticas, Universidade Federal do Pampa - UNIPAMPA , Uruguaiana , Brazil
| | - Cristiane Denardin
- a Grupo de Pesquisa em Bioquímica e Toxicologia em Caenorhabditis elegans (GBToxCE), Universidade Federal do Pampa - UNIPAMPA , Uruguaiana , Brazil
| | - Sandra Haas
- b Programa de Pós-Graduação em Ciências Farmacêuticas, Universidade Federal do Pampa - UNIPAMPA , Uruguaiana , Brazil
| | - Daiana Silva Ávila
- a Grupo de Pesquisa em Bioquímica e Toxicologia em Caenorhabditis elegans (GBToxCE), Universidade Federal do Pampa - UNIPAMPA , Uruguaiana , Brazil
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Rodrigues CF, Salgueiro W, Bianchini M, Veit JC, Puntel RL, Emanuelli T, Dernadin CC, Ávila DS. Salvia hispanica L. (chia) seeds oil extracts reduce lipid accumulation and produce stress resistance in Caenorhabditis elegans. Nutr Metab (Lond) 2018; 15:83. [PMID: 30505336 PMCID: PMC6260566 DOI: 10.1186/s12986-018-0317-4] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2018] [Accepted: 11/01/2018] [Indexed: 11/12/2022] Open
Abstract
Background Salvia hispanica seeds have been commonly used by people that seek healthy habits through natural foods to reduce cholesterol and triacylglycerides levels, however, the evidences that support this assumption are still scarce in literature. Here, we aimed to evaluate the lipid lowering effects of chia by using Caenorhabditis elegans as animal model, a nematode that has proven its usefulness for lipid metabolism studies. Methods We prepared hexane (HE) and Bligh-Dyer (BDE) extracts, evaluated and compared their safety, antioxidant potential and their lipid-lowering activity in the worms. Results The characterization of both extracts demonstrated that there were no differences in their lipid composition; however, BDE depicted better antioxidant potential. Both extracts reduced worm’s survival from 2%, and reproduction was reduced following treatment with both extracts, though a more notable effect was observed in HE-treated worms. In addition, the non-toxic concentration of both extracts (1%) increased stress resistance against paraquat toxicity in an antidote paradigm. Notably, this same concentration of both extracts reduced lipid accumulation in obese worms, which was not caused by food deprivation. Conclusions Taken together, our data demonstrate that both extraction methods from chia seeds result in oils that are rich in mono and polyunsaturated fatty acids, which may modulate lipid accumulation and provide antioxidant resistance in C. elegans.
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Affiliation(s)
- Cristiane Freitas Rodrigues
- 1UNIPAMPA-Programa de Pós-Graduação em Bioquímica, Universidade Federal do Pampa, BR 472 - Km 592, Caixa Postal 118, Uruguaiana, RS CEP 97500-970 Brazil
| | - Willian Salgueiro
- 1UNIPAMPA-Programa de Pós-Graduação em Bioquímica, Universidade Federal do Pampa, BR 472 - Km 592, Caixa Postal 118, Uruguaiana, RS CEP 97500-970 Brazil
| | - Matheus Bianchini
- 1UNIPAMPA-Programa de Pós-Graduação em Bioquímica, Universidade Federal do Pampa, BR 472 - Km 592, Caixa Postal 118, Uruguaiana, RS CEP 97500-970 Brazil
| | - Juliana Cristina Veit
- 2Departamento de Tecnologia e Ciência de Alimentos, Universidade Federal de Santa Maria, Centro de Ciências Rurais, Santa Maria, Rio Grande do Sul Brazil
| | - Robson Luiz Puntel
- 1UNIPAMPA-Programa de Pós-Graduação em Bioquímica, Universidade Federal do Pampa, BR 472 - Km 592, Caixa Postal 118, Uruguaiana, RS CEP 97500-970 Brazil
| | - Tatiana Emanuelli
- 2Departamento de Tecnologia e Ciência de Alimentos, Universidade Federal de Santa Maria, Centro de Ciências Rurais, Santa Maria, Rio Grande do Sul Brazil
| | - Cristiane Casagrande Dernadin
- 1UNIPAMPA-Programa de Pós-Graduação em Bioquímica, Universidade Federal do Pampa, BR 472 - Km 592, Caixa Postal 118, Uruguaiana, RS CEP 97500-970 Brazil
| | - Daiana Silva Ávila
- 1UNIPAMPA-Programa de Pós-Graduação em Bioquímica, Universidade Federal do Pampa, BR 472 - Km 592, Caixa Postal 118, Uruguaiana, RS CEP 97500-970 Brazil
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Abstract
There is an increase in the number of studies indicating that a disturbance in iron homeostasis is involved in the pathogenesis of neurodegenerative diseases, in which oxidative stress plays an important role. Oxidative stress can be counteracted by bioactive molecules like the flavonoid resveratrol, which acts as scavenging agent, or by modulating enzymes and metabolic signalling pathways, thus depicting the neuroprotective potential. On the other hand, flavonoids, resveratrol included, have been reported to induce an increase in the reactive species production. In this study we aimed to evaluate in vivo the protective potential of resveratrol against iron imbalance using the Caenorhabditis elegans model. We acutely exposed C. elegans to iron and administered resveratrol pre- or post-iron treatment. Iron-treated worms demonstrated a significant decrease in the survival, neuronal change, decreased dehydrogenases activity and ATP levels, and a significant increase in the oxidative stress. Acute pre-exposure to resveratrol potentiated the toxic effect of the metal by reducing ATP levels, while post-iron chronic resveratrol treatment following the iron exposure increased the worms' survival and reduced the generation of reactive species and neuronal damage. In conclusion, our results demonstrated that resveratrol has various protective effects depending on the duration and order of administration, whereby chronic post-iron treatment to resveratrol as an antidote appeared to be a more effective approach.
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Affiliation(s)
- M V Soares
- a Laboratory of Biochemistry and Toxicology in Caenorhabditis elegans (GBToxCe), Universidade Federal do Pampa , Uruguaiana - RS, , Brazil
| | - R L Puntel
- a Laboratory of Biochemistry and Toxicology in Caenorhabditis elegans (GBToxCe), Universidade Federal do Pampa , Uruguaiana - RS, , Brazil
| | - D S Ávila
- a Laboratory of Biochemistry and Toxicology in Caenorhabditis elegans (GBToxCe), Universidade Federal do Pampa , Uruguaiana - RS, , Brazil
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Jacques MT, Oliveira JL, Campos EVR, Fraceto LF, Ávila DS. Safety assessment of nanopesticides using the roundworm Caenorhabditis elegans. Ecotoxicol Environ Saf 2017; 139:245-253. [PMID: 28160702 DOI: 10.1016/j.ecoenv.2017.01.045] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/04/2016] [Revised: 01/20/2017] [Accepted: 01/24/2017] [Indexed: 05/25/2023]
Abstract
The extensive use of pesticides is causing environmental pollution, affecting animal organisms in different habitats and also leading human health at risk. In this study, we present as an alternative the use of nanoparticles loaded with pesticides and report their toxicological assessment to a soil organism, Caenorhabditis elegans. Three nanoparticle formulations were analyzed: solid lipid nanoparticles loaded or not with atrazine and simazine, SLN; polymeric nanoparticles, NC_PCL loaded with atrazine; and chitosan/tripolyphosphate, CS/TPP, loaded or not with paraquat. All formulations, loaded or not with pesticides, increased lethality in a dose- dependent manner with similar LC50. Both loaded and unloaded NC_PCL were the most toxic formulations to developmental rate, significantly reducing worms length, even at low concentrations. In contrast, both CS/TPP nanoparticles were the least toxic, not affecting reproduction and body length at higher concentrations, probably due to the biocompatibility of chitosan. The physico-chemical characterization of nanoparticles after incubation in saline solution (used in exposure of organisms) has shown that these colloidal systems are stable and remain with the same initial characteristics, even in the presence of saline environment. Notably, our results indicate that the observed effects were caused by the nanoparticles per se. These results suggest that the development of nanoparticles aiming agriculture applications needs more studies in order to optimize the composition and then reduce their toxicity to non-target organisms.
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Affiliation(s)
- Mauricio T Jacques
- Federal University of Pampa- UNIPAMPA- Uruguaiana, Rio Grande do Sul, Brazil
| | - Jhones L Oliveira
- São Paulo State University (UNESP), Institute of Science and Technology, Sorocaba, Brazil
| | - Estefânia V R Campos
- São Paulo State University (UNESP), Institute of Science and Technology, Sorocaba, Brazil; State University of Campinas, Campinas, SP, Brazil
| | - Leonardo F Fraceto
- São Paulo State University (UNESP), Institute of Science and Technology, Sorocaba, Brazil; State University of Campinas, Campinas, SP, Brazil
| | - Daiana Silva Ávila
- Federal University of Pampa- UNIPAMPA- Uruguaiana, Rio Grande do Sul, Brazil.
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Portela JL, Soares D, Rosa H, Roos DH, Pinton S, Ávila DS, Puntel RL. Ilex paraguariensis crude extract acts on protection and reversion from damage induced by t-butyl hydroperoxide in human erythrocytes: a comparative study with isolated caffeic and/or chlorogenic acids. J Sci Food Agric 2017; 97:2007-2014. [PMID: 27545589 DOI: 10.1002/jsfa.8001] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/02/2016] [Revised: 07/22/2016] [Accepted: 08/16/2016] [Indexed: 06/06/2023]
Abstract
BACKGROUND Studies comparing the effects of phytochemicals under different regimens of exposure are necessary to give a better indication about their mechanism(s) of protection. Hence, in the present study, we investigated the preventive (pre-incubation), protective (co-incubation) and/or remediative (post-incubation) activity of chlorogenic acid and caffeic acids, in comparison with Ilex paraguariensis crude extract, against t-butyl hydroperoxide (t-BHP)-induced damage to human erythrocytes. RESULTS We found that both caffeic and chlorogenic acids were able to prevent and revert the hemolysis associated with t-BHP exposure. By contrast, isolated compounds (alone or in combination) presented no effect on basal and/or t-BHP-induced non-protein thiol (NPSH) oxidation or production of thiobarbituric acid reactive substances (TBBARS). In turn, I. paraguariensis extract was effective to prevent, protect and revert the hemolysis associated with t-BHP exposure. Moreover, I. paraguariensis significantly protects and reverts t-BHP-induced NPSH oxidation and TBARS production. CONCLUSIONS We have found that I. paraguariensis extract acts better with respect to the protection and reversion of t-BHP-associated changes, whereas isolated compounds are more active in preventing and reverting t-BHP pro-hemolytic action. Moreover, our data suggest that the pro-hemolytic activity of t-BHP may occur via mechanism(s) other(s) than lipid peroxidation and/or NPSH oxidation. © 2016 Society of Chemical Industry.
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Affiliation(s)
- José Luiz Portela
- Universidade Federal do Pampa - Campus Uruguaiana, BR-472 Km 7, Uruguaiana, 97500-970, RS, Brazil
| | - Deividi Soares
- Universidade Federal do Pampa - Campus Uruguaiana, BR-472 Km 7, Uruguaiana, 97500-970, RS, Brazil
| | - Hemerson Rosa
- Universidade Federal do Pampa - Campus Uruguaiana, BR-472 Km 7, Uruguaiana, 97500-970, RS, Brazil
| | - Daniel Henrique Roos
- Universidade Federal do Pampa - Campus Uruguaiana, BR-472 Km 7, Uruguaiana, 97500-970, RS, Brazil
| | - Simone Pinton
- Universidade Federal do Pampa - Campus Uruguaiana, BR-472 Km 7, Uruguaiana, 97500-970, RS, Brazil
| | - Daiana Silva Ávila
- Universidade Federal do Pampa - Campus Uruguaiana, BR-472 Km 7, Uruguaiana, 97500-970, RS, Brazil
| | - Robson L Puntel
- Universidade Federal do Pampa - Campus Uruguaiana, BR-472 Km 7, Uruguaiana, 97500-970, RS, Brazil
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Colpo AC, Rosa H, Lima ME, Pazzini CEF, de Camargo VB, Bassante FEM, Puntel R, Ávila DS, Mendez A, Folmer V. Yerba mate (Ilex paraguariensis St. Hill.)-based beverages: How successive extraction influences the extract composition and its capacity to chelate iron and scavenge free radicals. Food Chem 2016; 209:185-95. [PMID: 27173551 DOI: 10.1016/j.foodchem.2016.04.059] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2013] [Revised: 04/08/2016] [Accepted: 04/16/2016] [Indexed: 11/26/2022]
Abstract
Chimarrão or mate is a popular beverage from South America that is drank with successive infusions. Although yerba mate extracts have been widely studied, few studies have described the extract contents in beverages. Using yerba mate samples from Brazil, Argentina, and Uruguay, we examined the extract chromatographic profiles, total polyphenol content and their capacities to chelate iron. In addition, we analyzed antioxidant activity by examining the ability of the extracts to scavenge DPPH and NO. Our results showed that the amount of extracted compound was highest in yerba mate extract from Uruguay, followed by Argentina, then Brazil. Herbs from all three areas had a significant capacity to inhibit DPPH and NO free radicals. The Brazilian and Uruguayan herbs had an 80% iron chelation capacity (p<0.001), while the iron chelation capacity of the Argentinean herb was lower but still significant (p⩽0.05). We conclude that the compound concentration decreases with successive extractions, while the antioxidant capacity is maintained at significant levels.
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Affiliation(s)
- Ana C Colpo
- Laboratório de Bioquímica e Toxicologia de Produtos Naturais e Sintéticos, Universidade Federal do Pampa, Uruguaiana, RS, Brazil; Programa de Pós-Graduação em Bioquímica, Universidade Federal do Pampa, Uruguaiana, RS, Brazil
| | - Hemerson Rosa
- Laboratório de Pesquisa em Desenvolvimento e Controle de Qualidade de Medicamentos, Universidade Federal do Pampa, Uruguaiana, RS, Brazil; Programa de Pós-Graduação em Bioquímica, Universidade Federal do Pampa, Uruguaiana, RS, Brazil
| | - Maria Eduarda Lima
- Laboratório de Bioquímica e Toxicologia de Produtos Naturais e Sintéticos, Universidade Federal do Pampa, Uruguaiana, RS, Brazil; Programa de Pós-Graduação em Bioquímica, Universidade Federal do Pampa, Uruguaiana, RS, Brazil
| | - Camila Eliza F Pazzini
- Programa de Pós-Graduação em Bioquímica, Universidade Federal do Pampa, Uruguaiana, RS, Brazil
| | - Vanessa B de Camargo
- Laboratório de Pesquisa em Desenvolvimento e Controle de Qualidade de Medicamentos, Universidade Federal do Pampa, Uruguaiana, RS, Brazil
| | - Felipa E M Bassante
- Laboratório de Bioquímica e Toxicologia de Produtos Naturais e Sintéticos, Universidade Federal do Pampa, Uruguaiana, RS, Brazil
| | - Robson Puntel
- Laboratório de Bioquímica e Toxicologia de Produtos Naturais e Sintéticos, Universidade Federal do Pampa, Uruguaiana, RS, Brazil; Programa de Pós-Graduação em Bioquímica, Universidade Federal do Pampa, Uruguaiana, RS, Brazil
| | - Daiana Silva Ávila
- Programa de Pós-Graduação em Bioquímica, Universidade Federal do Pampa, Uruguaiana, RS, Brazil
| | - Andreas Mendez
- Laboratório de Pesquisa em Desenvolvimento e Controle de Qualidade de Medicamentos, Universidade Federal do Pampa, Uruguaiana, RS, Brazil; Programa de Pós-Graduação em Bioquímica, Universidade Federal do Pampa, Uruguaiana, RS, Brazil; Faculdade de Farmácia, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brazil
| | - Vanderlei Folmer
- Laboratório de Bioquímica e Toxicologia de Produtos Naturais e Sintéticos, Universidade Federal do Pampa, Uruguaiana, RS, Brazil; Programa de Pós-Graduação em Bioquímica, Universidade Federal do Pampa, Uruguaiana, RS, Brazil.
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Charão MF, Souto C, Brucker N, Barth A, Jornada DS, Fagundez D, Ávila DS, Eifler-Lima VL, Guterres SS, Pohlmann AR, Garcia SC. Caenorhabditis elegans as an alternative in vivo model to determine oral uptake, nanotoxicity, and efficacy of melatonin-loaded lipid-core nanocapsules on paraquat damage. Int J Nanomedicine 2015; 10:5093-106. [PMID: 26300641 PMCID: PMC4536844 DOI: 10.2147/ijn.s84909] [Citation(s) in RCA: 40] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
Caenorhabditis elegans is an alternative in vivo model that is being successfully used to assess the pharmacological and toxic effects of drugs. The exponential growth of nanotechnology requires the use of alternative in vivo models to assess the toxic effects of theses nanomaterials. The use of polymeric nanocapsules has shown promising results for drug delivery. Moreover, these formulations have not been used in cases of intoxication, such as in treatment of paraquat (PQ) poisoning. Thus, the use of drugs with properties improved by nanotechnology is a promising approach to overcome the toxic effects of PQ. This research aimed to evaluate the absorption of rhodamine B-labeled melatonin (Mel)-loaded lipid-core nanocapsules (LNC) by C. elegans, the application of this model in nanotoxicology, and the protection of Mel-LNC against PQ damage. The formulations were prepared by self-assembly and characterized by particle sizing, zeta potential, drug content, and encapsulation efficiency. The results demonstrated that the formulations had narrow size distributions. Rhodamine B-labeled Mel-LNC were orally absorbed and distributed in the worms. The toxicity assessment of LNC showed a lethal dose 50% near the highest dose tested, indicating low toxicity of the nanocapsules. Moreover, pretreatment with Mel-LNC significantly increased the survival rate, reduced the reactive oxygen species, and maintained the development in C. elegans exposed to PQ compared to those worms that were either untreated or pretreated with free Mel. These results demonstrated for the first time the uptake and distribution of Mel-LNC by a nematode, and indicate that while LNC is not toxic, Mel-LNC prevents the effects of PQ poisoning. Thus, C. elegans may be an interesting alternative model to test the nanocapsules toxicity and efficacy.
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Affiliation(s)
- Mariele Feiffer Charão
- Post-Graduate Programme in Pharmaceutical Sciences, Federal University of Rio Grande do Sul, Porto Alegre, RS, Brazil ; Laboratory of Toxicology (LATOX), Department of Analysis, Pharmacy Faculty, Federal University of Rio Grande do Sul, Porto Alegre, RS, Brazil
| | - Caroline Souto
- Laboratory of Toxicology (LATOX), Department of Analysis, Pharmacy Faculty, Federal University of Rio Grande do Sul, Porto Alegre, RS, Brazil
| | - Natália Brucker
- Post-Graduate Programme in Pharmaceutical Sciences, Federal University of Rio Grande do Sul, Porto Alegre, RS, Brazil ; Laboratory of Toxicology (LATOX), Department of Analysis, Pharmacy Faculty, Federal University of Rio Grande do Sul, Porto Alegre, RS, Brazil
| | - Anelise Barth
- Post-Graduate Programme in Pharmaceutical Sciences, Federal University of Rio Grande do Sul, Porto Alegre, RS, Brazil ; Laboratory of Toxicology (LATOX), Department of Analysis, Pharmacy Faculty, Federal University of Rio Grande do Sul, Porto Alegre, RS, Brazil
| | - Denise S Jornada
- Post-Graduate Programme in Pharmaceutical Sciences, Federal University of Rio Grande do Sul, Porto Alegre, RS, Brazil ; Department of Production and Control of Drugs, Pharmacy Faculty, Federal University of Rio Grande do Sul, Porto Alegre, RS, Brazil
| | - Daiandra Fagundez
- Research Group in Biochemistry and Toxicology in Caenorhabditis elegans (GBToxCE), Federal University of Pampa - UNIPAMPA, Uruguaiana, RS, Brazil
| | - Daiana Silva Ávila
- Research Group in Biochemistry and Toxicology in Caenorhabditis elegans (GBToxCE), Federal University of Pampa - UNIPAMPA, Uruguaiana, RS, Brazil
| | - Vera L Eifler-Lima
- Post-Graduate Programme in Pharmaceutical Sciences, Federal University of Rio Grande do Sul, Porto Alegre, RS, Brazil ; Laboratory of Medical Synthesis Organic (LaSOM), Pharmacy Faculty, Federal University of Rio Grande do Sul, Porto Alegre, RS, Brazil
| | - Silvia S Guterres
- Post-Graduate Programme in Pharmaceutical Sciences, Federal University of Rio Grande do Sul, Porto Alegre, RS, Brazil ; Department of Production and Control of Drugs, Pharmacy Faculty, Federal University of Rio Grande do Sul, Porto Alegre, RS, Brazil
| | - Adriana R Pohlmann
- Post-Graduate Programme in Pharmaceutical Sciences, Federal University of Rio Grande do Sul, Porto Alegre, RS, Brazil ; Department of Organic Chemistry, Chemistry Institute, Federal University of Rio Grande do Sul, Porto Alegre, RS, Brazil
| | - Solange Cristina Garcia
- Post-Graduate Programme in Pharmaceutical Sciences, Federal University of Rio Grande do Sul, Porto Alegre, RS, Brazil ; Laboratory of Toxicology (LATOX), Department of Analysis, Pharmacy Faculty, Federal University of Rio Grande do Sul, Porto Alegre, RS, Brazil
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Fagundez DDA, Câmara DF, Salgueiro WG, Noremberg S, Luiz Puntel R, Piccoli JE, Garcia SC, da Rocha JBT, Aschner M, Ávila DS. Behavioral and dopaminergic damage induced by acute iron toxicity in Caenorhabditis elegans. Toxicol Res (Camb) 2015. [DOI: 10.1039/c4tx00120f] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Iron (Fe) exposure, results in multiple biological defects in C. elegans, including reproductive and motor impairment, which may be related to oxidative stress and neuronal damage.
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Waczuk EP, Kamdem JP, Abolaji AO, Meinerz DF, Caeran Bueno D, do Nascimento Gonzaga TKS, do Canto Dorow TS, Boligon AA, Athayde ML, da Rocha JBT, Ávila DS. Euphorbia tirucalli aqueous extract induces cytotoxicity, genotoxicity and changes in antioxidant gene expression in human leukocytes. Toxicol Res (Camb) 2015. [DOI: 10.1039/c4tx00122b] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
The medicinal use of Euphorbia tirucalli has to be made with caution, as our study indicates that the aqueous extract induces genotoxicity and cytotoxicity in human leukocytes
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Affiliation(s)
| | - Jean Paul Kamdem
- Departamento de Química
- Centro de Ciências Naturais e Exatas
- Universidade Federal de Santa Maria
- Santa Maria
- Brazil
| | - Amos Olalekan Abolaji
- Departamento de Química
- Centro de Ciências Naturais e Exatas
- Universidade Federal de Santa Maria
- Santa Maria
- Brazil
| | - Daiane Francine Meinerz
- Departamento de Química
- Centro de Ciências Naturais e Exatas
- Universidade Federal de Santa Maria
- Santa Maria
- Brazil
| | - Diones Caeran Bueno
- Departamento de Química
- Centro de Ciências Naturais e Exatas
- Universidade Federal de Santa Maria
- Santa Maria
- Brazil
| | | | | | - Aline Augusti Boligon
- Programa de Pós-Graduação em Ciências Farmacêuticas
- Universidade Federal de Santa Maria
- Santa Maria
- Brazil
| | - Margareth Linde Athayde
- Programa de Pós-Graduação em Ciências Farmacêuticas
- Universidade Federal de Santa Maria
- Santa Maria
- Brazil
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Ribeiro MCP, Ávila DS, Schiar VPP, Santos DBD, Meinerz DF, Duarte MMF, Monteiro R, Puntel R, de Bem AF, Hassan W, de Vargas Barbosa NB, Rocha JBT. Diphenyl diselenide supplementation reduces biochemical alterations associated with oxidative stress in rats fed with fructose and hydrochlorothiazide. Chem Biol Interact 2013; 204:191-9. [DOI: 10.1016/j.cbi.2013.05.008] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2012] [Revised: 04/27/2013] [Accepted: 05/14/2013] [Indexed: 02/07/2023]
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Amaral GP, Puntel GO, Dalla Corte CL, Dobrachinski F, Barcelos RP, Bastos LL, Ávila DS, Rocha JBT, da Silva EO, Puntel RL, Soares FAA. The antioxidant properties of different phthalocyanines. Toxicol In Vitro 2012; 26:125-32. [DOI: 10.1016/j.tiv.2011.10.006] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2011] [Revised: 10/06/2011] [Accepted: 10/08/2011] [Indexed: 10/16/2022]
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Martins EN, Pessano NTC, Leal L, Roos DH, Folmer V, Puntel GO, Rocha JBT, Aschner M, Ávila DS, Puntel RL. Protective effect of Melissa officinalis aqueous extract against Mn-induced oxidative stress in chronically exposed mice. Brain Res Bull 2011; 87:74-9. [PMID: 22020131 DOI: 10.1016/j.brainresbull.2011.10.003] [Citation(s) in RCA: 229] [Impact Index Per Article: 17.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2011] [Accepted: 10/10/2011] [Indexed: 10/16/2022]
Abstract
Manganese (Mn) is an essential element for biological systems; however occupational exposure to high levels of this metal may lead to neurodegenerative disorders, resembling Parkinson's disease (PD). While its mechanisms of neurotoxicity have yet to be fully understood, oxidative stress plays a critical role. Thus, the main goal of this study was to investigate the efficacy of aqueous extract of Melissa officinalis in attenuating Mn-induced brain oxidative stress in mice. Sixteen male mice were randomly divided into two groups and treated for 3 months: the first group consumed tap water (control group) and the second group was treated with Mn (50 mg/kg/day for habituation during the first 15 days followed by 100 mg/kg/day for additional 75 days) in the drinking water. After 3 months both groups were sub divided (n=4 per group) and treated for additional 3 months with Mn and/or M. officinalis in the drinking water. The first group (control) was treated with water and served as control; the second group (M. officinalis) was treated with M. officinalis (100 mg/kg/day); the third group was treated with Mn (100 mg/kg/day); the fourth group (Mn+M. officinalis) was treated with both Mn and M. officinalis (100 mg/kg/day each). Mn-treated mice showed a significant increase in thiobarbituric acid reactive species (TBARS) levels (a marker of oxidative stress) in both the hippocampus and striatum. These changes were accompanied by a decrease in total thiol content in the hippocampus and a significant increase in antioxidant enzyme activity (superoxide dismutase and catalase) in the hippocampus, striatum, cortex and cerebellum. Co-treatment with M. officinalis aqueous extract in Mn-treated mice significantly inhibited the antioxidant enzyme activities and attenuated the oxidative damage (TBARS and decreased total thiol levels). These results establish that M. officinalis aqueous extract possesses potent antioxidative properties, validating its efficacy in attenuating Mn-induced oxidative stress in the mouse brain.
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Affiliation(s)
- Eduarda N Martins
- Laboratório de Bioquímica e Toxicologia de Produtos Naturais e Sintéticos, Universidade Federal do Pampa, BR 472 Km 585 Sala 403, CEP 97500-970 Uruguaiana, RS, Brazil
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Gubert P, Ávila DS, Bridi JC, Saurin S, Lugokenski TH, Villarinho JG, Fachinetto R, Pereira ME, Ferreira J, da Rocha JBT, Soares FAA. Low concentrations of methamidophos do not alter AChE activity but modulate neurotransmitters uptake in hippocampus and striatum in vitro. Life Sci 2011; 88:89-95. [DOI: 10.1016/j.lfs.2010.10.031] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2010] [Revised: 09/25/2010] [Accepted: 10/26/2010] [Indexed: 11/24/2022]
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Aitlhadj L, Ávila DS, Benedetto A, Aschner M, Stürzenbaum SR. Environmental exposure, obesity, and Parkinson's disease: lessons from fat and old worms. Environ Health Perspect 2011; 119:20-8. [PMID: 20797931 PMCID: PMC3018495 DOI: 10.1289/ehp.1002522] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/04/2010] [Accepted: 08/25/2010] [Indexed: 05/02/2023]
Abstract
BACKGROUND A common link has been exposed, namely, that metal exposure plays a role in obesity and in Parkinson's disease (PD). This link may help to elucidate mechanisms of neurotoxicity. OBJECTIVE We reviewed the utility of the nematode, Caenorhabditis elegans, as a model organism to study neurodegeneration in obesity and Parkinson's disease (PD), with an emphasis on the neurotransmitter, dopamine (DA). DATA SOURCES A PubMed literature search was performed using the terms "obesity" and any of the following: "C. elegans," "central nervous system," "neurodegeneration," "heavy metals," "dopamine" or "Parkinson's disease." We reviewed the identified studies, including others cited therein, to summarize the current evidence of neurodegeneration in obesity and PD, with an emphasis on studies carried out in C. elegans and environmental toxins in the etiology of both diseases. DATA EXTRACTION AND DATA SYNTHESIS Heavy metals and DA have both been linked to diet-induced obesity, which has led to the notion that the mechanism of environmentally induced neurodegeneration in PD may also apply to obesity. C. elegans has been instrumental in expanding our mechanism-based knowledge of PD, and this species is emerging as a good model of obesity. With well-established toxicity and neurogenetic assays, it is now feasible to explore the putative link between metal- and chemical-induced neurodegeneration. CONCLUSIONS One side effect of an aging population is an increase in the prevalence of obesity, metabolic disorders, and neurodegenerative orders, diseases that are likely to co-occur. Environmental toxins, especially heavy metals, may prove to be a previously neglected part of the puzzle.
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Affiliation(s)
- Layla Aitlhadj
- King’s College London, Pharmaceutical Science Division, London, United Kingdom
| | - Daiana Silva Ávila
- Department of Pediatrics, Vanderbilt University Medical Center, Nashville, Tennessee, USA
| | - Alexandre Benedetto
- Department of Pediatrics, Vanderbilt University Medical Center, Nashville, Tennessee, USA
| | - Michael Aschner
- Department of Pediatrics, Vanderbilt University Medical Center, Nashville, Tennessee, USA
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Puntel GO, de Carvalho NR, Gubert P, Palma AS, Corte CLD, Ávila DS, Pereira ME, Carratu VS, Bresolin L, da Rocha JBT, Soares FAA. Butane-2,3-dionethiosemicarbazone: An oxime with antioxidant properties. Chem Biol Interact 2009; 177:153-60. [DOI: 10.1016/j.cbi.2008.09.028] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2008] [Revised: 09/23/2008] [Accepted: 09/25/2008] [Indexed: 10/21/2022]
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43
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Ávila DS, Gubert P, Palma A, Colle D, Alves D, Nogueira CW, Rocha JBT, Soares FAA. An organotellurium compound with antioxidant activity against excitotoxic agents without neurotoxic effects in brain of rats. Brain Res Bull 2008; 76:114-23. [DOI: 10.1016/j.brainresbull.2007.12.008] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2007] [Revised: 12/10/2007] [Accepted: 12/14/2007] [Indexed: 10/22/2022]
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