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Li K, Wu J, Mei Y, Zhao J, Zhou Q, Li Y, Yang M, Xu J, Zhao M, Xu Q. Metallomics analysis of metal exposure and cognitive function in older adults: A combined epidemiological and bioinformatics study. CHEMOSPHERE 2023; 341:140049. [PMID: 37660799 DOI: 10.1016/j.chemosphere.2023.140049] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/15/2023] [Revised: 08/10/2023] [Accepted: 09/01/2023] [Indexed: 09/05/2023]
Abstract
Dementia is a significant cause of elderly disability and Alzheimer's disease (AD) is the most prevalent form of dementia. As an early stage of AD, the mechanism related to mild cognitive impairment (MCI) and heavy metals is still unclear. This study utilized a cross-sectional design and enrolled 514 older adults in Bejing, China. Cognitive function was assessed by the Mini-Mental State Examination (MMSE) and fourteen blood metals were measured by inductively coupled plasma mass spectrometry (ICP-MS). In the adjusted single-metal models, we observed that copper [Cu, β (95% CI): 3.73 (-6.42, -1.03)] and lead [Pb, β (95% CI): 0.79 (-1.26, -0.32)] demonstrated negative associations with cognitive function, while selenium [Se, β (95% CI): 2.97 (1.23, 4.70)] was beneficial to cognition. Our findings were robust in secondary analysis using multi-metal models, which included generalized linear models (GLM), Bayesian kernel machine regression (BKMR), and quantile g-computation (qgcomp). Moreover, the toxic metal mixture (Cu and Pb) exhibited a significant negative association with MMSE scores and the inclusion of Se in the metal mixture attenuated the neurotoxicity of Cu-Pb mixture. The in silico analysis was used to examine the potential molecular mechanisms (genes, biological processes, pathways, and illnesses) of interaction among metal mixtures. We identified 20 cognition-related genes that are associated with both Cu-Pb and Se. Among these genes, eight (APOE, APP, BAX, BDNF, CASP3, HMOX1, TF, and TPP1) exhibited opposite effects on protein activity, mRNA expression, or protein expression in response to Se and Cu/Pb exposure, which could be the key genes accounting for the anti-neurotoxic effects of Se. Our findings support that Se can attenuate the neurotoxicity of exposure to single Cu or Pb, and Cu-Pb mixture. More research is needed to confirm our findings and gain knowledge about the molecular mechanisms of combined metal exposure on cognitive function.
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Affiliation(s)
- Kai Li
- Department of Epidemiology and Biostatistics, Institute of Basic Medical Sciences Chinese Academy of Medical Sciences, School of Basic Medicine Peking Union Medical College, Beijing, 100005, China; Center of Environmental and Health Sciences, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing, 100005, China.
| | - Jingtao Wu
- Department of Epidemiology and Biostatistics, Institute of Basic Medical Sciences Chinese Academy of Medical Sciences, School of Basic Medicine Peking Union Medical College, Beijing, 100005, China; Center of Environmental and Health Sciences, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing, 100005, China
| | - Yayuan Mei
- Department of Epidemiology and Biostatistics, Institute of Basic Medical Sciences Chinese Academy of Medical Sciences, School of Basic Medicine Peking Union Medical College, Beijing, 100005, China; Center of Environmental and Health Sciences, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing, 100005, China
| | - Jiaxin Zhao
- Department of Epidemiology and Biostatistics, Institute of Basic Medical Sciences Chinese Academy of Medical Sciences, School of Basic Medicine Peking Union Medical College, Beijing, 100005, China; Center of Environmental and Health Sciences, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing, 100005, China
| | - Quan Zhou
- Department of Epidemiology and Biostatistics, Institute of Basic Medical Sciences Chinese Academy of Medical Sciences, School of Basic Medicine Peking Union Medical College, Beijing, 100005, China; Center of Environmental and Health Sciences, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing, 100005, China
| | - Yanbing Li
- Department of Epidemiology and Biostatistics, Institute of Basic Medical Sciences Chinese Academy of Medical Sciences, School of Basic Medicine Peking Union Medical College, Beijing, 100005, China; Center of Environmental and Health Sciences, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing, 100005, China
| | - Ming Yang
- Department of Epidemiology and Biostatistics, Institute of Basic Medical Sciences Chinese Academy of Medical Sciences, School of Basic Medicine Peking Union Medical College, Beijing, 100005, China; Center of Environmental and Health Sciences, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing, 100005, China
| | - Jing Xu
- Department of Epidemiology and Biostatistics, Institute of Basic Medical Sciences Chinese Academy of Medical Sciences, School of Basic Medicine Peking Union Medical College, Beijing, 100005, China; Center of Environmental and Health Sciences, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing, 100005, China
| | - Meiduo Zhao
- Department of Epidemiology and Biostatistics, Institute of Basic Medical Sciences Chinese Academy of Medical Sciences, School of Basic Medicine Peking Union Medical College, Beijing, 100005, China; Center of Environmental and Health Sciences, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing, 100005, China
| | - Qun Xu
- Department of Epidemiology and Biostatistics, Institute of Basic Medical Sciences Chinese Academy of Medical Sciences, School of Basic Medicine Peking Union Medical College, Beijing, 100005, China; Center of Environmental and Health Sciences, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing, 100005, China.
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Tucci AR, da Rosa RM, Rosa AS, Augusto Chaves O, Ferreira VNS, Oliveira TKF, Coutinho Souza DD, Borba NRR, Dornelles L, Rocha NS, Mayer JCP, da Rocha JBT, Rodrigues OED, Miranda MD. Antiviral Effect of 5'-Arylchalcogeno-3-aminothymidine Derivatives in SARS-CoV-2 Infection. Molecules 2023; 28:6696. [PMID: 37764472 PMCID: PMC10537738 DOI: 10.3390/molecules28186696] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2023] [Revised: 09/04/2023] [Accepted: 09/14/2023] [Indexed: 09/29/2023] Open
Abstract
The understanding that zidovudine (ZDV or azidothymidine, AZT) inhibits the RNA-dependent RNA polymerase (RdRp) of SARS-CoV-2 and that chalcogen atoms can increase the bioactivity and reduce the toxicity of AZT has directed our search for the discovery of novel potential anti-coronavirus compounds. Here, the antiviral activity of selenium and tellurium containing AZT derivatives in human type II pneumocytes cell model (Calu-3) and monkey kidney cells (Vero E6) infected with SARS-CoV-2, and their toxic effects on these cells, was evaluated. Cell viability analysis revealed that organoselenium (R3a-R3e) showed lower cytotoxicity than organotellurium (R3f, R3n-R3q), with CC50 ≥ 100 µM. The R3b and R3e were particularly noteworthy for inhibiting viral replication in both cell models and showed better selectivity index. In Vero E6, the EC50 values for R3b and R3e were 2.97 ± 0.62 µM and 1.99 ± 0.42 µM, respectively, while in Calu-3, concentrations of 3.82 ± 1.42 µM and 1.92 ± 0.43 µM (24 h treatment) and 1.33 ± 0.35 µM and 2.31 ± 0.54 µM (48 h) were observed, respectively. The molecular docking calculations were carried out to main protease (Mpro), papain-like protease (PLpro), and RdRp following non-competitive, competitive, and allosteric inhibitory approaches. The in silico results suggested that the organoselenium is a potential non-competitive inhibitor of RdRp, interacting in the allosteric cavity located in the palm region. Overall, the cell-based results indicated that the chalcogen-zidovudine derivatives were more potent than AZT in inhibiting SARS-CoV-2 replication and that the compounds R3b and R3e play an important inhibitory role, expanding the knowledge about the promising therapeutic capacity of organoselenium against COVID-19.
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Affiliation(s)
- Amanda Resende Tucci
- Laboratório de Morfologia e Morfogênese Viral, Instituto Oswaldo Cruz, Fundação Oswaldo Cruz, Rio de Janeiro 21041-250, RJ, Brazil; (A.R.T.); (A.S.R.); (V.N.S.F.); (T.K.F.O.); (D.D.C.S.); (N.R.R.B.)
- Programa de Pós-Graduação em Biologia Celular e Molecular, Instituto Oswaldo Cruz, Fundação Oswaldo Cruz, Rio de Janeiro 21041-250, RJ, Brazil
| | - Raquel Mello da Rosa
- LabSelen-NanoBio—Departamento de Química, Universidade Federal de Santa Maria, Santa Maria 97105-900, RS, Brazil; (R.M.d.R.); (L.D.); (N.S.R.); (J.C.P.M.)
| | - Alice Santos Rosa
- Laboratório de Morfologia e Morfogênese Viral, Instituto Oswaldo Cruz, Fundação Oswaldo Cruz, Rio de Janeiro 21041-250, RJ, Brazil; (A.R.T.); (A.S.R.); (V.N.S.F.); (T.K.F.O.); (D.D.C.S.); (N.R.R.B.)
- Programa de Pós-Graduação em Biologia Celular e Molecular, Instituto Oswaldo Cruz, Fundação Oswaldo Cruz, Rio de Janeiro 21041-250, RJ, Brazil
| | - Otávio Augusto Chaves
- CQC-IMS, Departamento de Química, Universidade de Coimbra, Rua Larga, 3004-535 Coimbra, Portugal
- Laboratório de Imunofarmacologia, Centro de Pesquisa, Inovação e Vigilância em COVID-19 e Emergências Sanitárias (CPIV), Instituto Oswaldo Cruz (IOC), Fundação Oswaldo Cruz (Fiocruz), Rio de Janeiro 21040-900, RJ, Brazil
| | - Vivian Neuza Santos Ferreira
- Laboratório de Morfologia e Morfogênese Viral, Instituto Oswaldo Cruz, Fundação Oswaldo Cruz, Rio de Janeiro 21041-250, RJ, Brazil; (A.R.T.); (A.S.R.); (V.N.S.F.); (T.K.F.O.); (D.D.C.S.); (N.R.R.B.)
| | - Thamara Kelcya Fonseca Oliveira
- Laboratório de Morfologia e Morfogênese Viral, Instituto Oswaldo Cruz, Fundação Oswaldo Cruz, Rio de Janeiro 21041-250, RJ, Brazil; (A.R.T.); (A.S.R.); (V.N.S.F.); (T.K.F.O.); (D.D.C.S.); (N.R.R.B.)
- Programa de Pós-Graduação em Biologia Celular e Molecular, Instituto Oswaldo Cruz, Fundação Oswaldo Cruz, Rio de Janeiro 21041-250, RJ, Brazil
| | - Daniel Dias Coutinho Souza
- Laboratório de Morfologia e Morfogênese Viral, Instituto Oswaldo Cruz, Fundação Oswaldo Cruz, Rio de Janeiro 21041-250, RJ, Brazil; (A.R.T.); (A.S.R.); (V.N.S.F.); (T.K.F.O.); (D.D.C.S.); (N.R.R.B.)
- Programa de Pós-Graduação em Biologia Celular e Molecular, Instituto Oswaldo Cruz, Fundação Oswaldo Cruz, Rio de Janeiro 21041-250, RJ, Brazil
| | - Nathalia Roberto Resende Borba
- Laboratório de Morfologia e Morfogênese Viral, Instituto Oswaldo Cruz, Fundação Oswaldo Cruz, Rio de Janeiro 21041-250, RJ, Brazil; (A.R.T.); (A.S.R.); (V.N.S.F.); (T.K.F.O.); (D.D.C.S.); (N.R.R.B.)
| | - Luciano Dornelles
- LabSelen-NanoBio—Departamento de Química, Universidade Federal de Santa Maria, Santa Maria 97105-900, RS, Brazil; (R.M.d.R.); (L.D.); (N.S.R.); (J.C.P.M.)
| | - Nayra Salazar Rocha
- LabSelen-NanoBio—Departamento de Química, Universidade Federal de Santa Maria, Santa Maria 97105-900, RS, Brazil; (R.M.d.R.); (L.D.); (N.S.R.); (J.C.P.M.)
| | - João Candido Pilar Mayer
- LabSelen-NanoBio—Departamento de Química, Universidade Federal de Santa Maria, Santa Maria 97105-900, RS, Brazil; (R.M.d.R.); (L.D.); (N.S.R.); (J.C.P.M.)
| | - João B. Teixeira da Rocha
- Programa de Pós-Graduação em Bioquímica Toxicológica, Universidade Federal de Santa Maria, Santa Maria 97105-900, RS, Brazil;
| | - Oscar Endrigo D. Rodrigues
- LabSelen-NanoBio—Departamento de Química, Universidade Federal de Santa Maria, Santa Maria 97105-900, RS, Brazil; (R.M.d.R.); (L.D.); (N.S.R.); (J.C.P.M.)
| | - Milene Dias Miranda
- Laboratório de Morfologia e Morfogênese Viral, Instituto Oswaldo Cruz, Fundação Oswaldo Cruz, Rio de Janeiro 21041-250, RJ, Brazil; (A.R.T.); (A.S.R.); (V.N.S.F.); (T.K.F.O.); (D.D.C.S.); (N.R.R.B.)
- Programa de Pós-Graduação em Biologia Celular e Molecular, Instituto Oswaldo Cruz, Fundação Oswaldo Cruz, Rio de Janeiro 21041-250, RJ, Brazil
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Saucier D, Registe PPW, Bélanger M, O'Connell C. Urbanization, air pollution, and water pollution: Identification of potential environmental risk factors associated with amyotrophic lateral sclerosis using systematic reviews. Front Neurol 2023; 14:1108383. [PMID: 36970522 PMCID: PMC10030603 DOI: 10.3389/fneur.2023.1108383] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2022] [Accepted: 02/13/2023] [Indexed: 03/29/2023] Open
Abstract
Introduction Despite decades of research, causes of ALS remain unclear. To evaluate recent hypotheses of plausible environmental factors, the aim of this study was to synthesize and appraise literature on the potential associations between the surrounding environment, including urbanization, air pollution and water pollution, and ALS. Methods We conducted a series (n = 3) of systematic reviews in PubMed and Scopus to identify epidemiological studies assessing relationships between urbanization, air pollution and water pollution with the development of ALS. Results The combined search strategy led to the inclusion of 44 articles pertaining to at least one exposure of interest. Of the 25 included urbanization studies, four of nine studies on living in rural areas and three of seven studies on living in more highly urbanized/dense areas found positive associations to ALS. There were also three of five studies for exposure to electromagnetic fields and/or proximity to powerlines that found positive associations to ALS. Three case-control studies for each of diesel exhaust and nitrogen dioxide found positive associations with the development of ALS, with the latter showing a dose-response in one study. Three studies for each of high selenium content in drinking water and proximity to lakes prone to cyanobacterial blooms also found positive associations to ALS. Conclusion Whereas markers of air and water pollution appear as potential risk factors for ALS, results are mixed for the role of urbanization.
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Affiliation(s)
- Daniel Saucier
- Faculty of Medicine and Health Sciences, Université de Sherbrooke, Sherbrooke, QC, Canada
- Center de formation médicale du Nouveau-Brunswick, Moncton, NB, Canada
- *Correspondence: Daniel Saucier
| | - Pierre Philippe Wilson Registe
- Faculty of Medicine and Health Sciences, Université de Sherbrooke, Sherbrooke, QC, Canada
- Center de formation médicale du Nouveau-Brunswick, Moncton, NB, Canada
| | - Mathieu Bélanger
- Faculty of Medicine and Health Sciences, Université de Sherbrooke, Sherbrooke, QC, Canada
- Center de formation médicale du Nouveau-Brunswick, Moncton, NB, Canada
| | - Colleen O'Connell
- Stan Cassidy Center for Rehabilitation, Fredericton, NB, Canada
- Department of Medicine, Dalhousie Medicine New Brunswick, Saint John, NB, Canada
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Diphenyl Diselenide Alleviates Tert-Butyl Hydrogen Peroxide-Induced Oxidative Stress and Lipopolysaccharide-Induced Inflammation in Rat Glomerular Mesangial Cells. Int J Mol Sci 2022; 23:ijms231911215. [PMID: 36232514 PMCID: PMC9570341 DOI: 10.3390/ijms231911215] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2022] [Revised: 09/16/2022] [Accepted: 09/19/2022] [Indexed: 11/16/2022] Open
Abstract
Hyperglycemia, oxidative stress, and inflammation play key roles in the onset and development of diabetic complications such as diabetic nephropathy (DN). Diphenyl diselenide (DPDS) is a stable and simple organic selenium compound with anti-hyperglycemic, anti-inflammatory, and anti-oxidative activities. Nevertheless, in vitro, the role and molecular mechanism of DPDS on DN remains unknown. Therefore, we investigated the effects of DPDS on tert-butyl hydrogen peroxide (t-BHP)-induced oxidative stress and lipopolysaccharide (LPS)-induced inflammation in rat glomerular mesangial (HBZY-1) cells and explored the underlying mechanisms. DPDS attenuated t-BHP-induced cytotoxicity, concurrent with decreased intracellular ROS and MDA contents and increased SOD activity and GSH content. Moreover, DPDS augmented the protein and mRNA expression of Nrf2, HO-1, NQO1, and GCLC in t-BHP-stimulated HBZY-1 cells. In addition, DPDS suppressed LPS-induced elevations of intracellular content and mRNA expression of interleukin (IL)-6, IL-1β and TNF-α. Furthermore, LPS-induced NFκB activation and high phosphorylation of JNK and ERK1/2 were markedly suppressed by DPDS in HBZY-1 cells. In summary, these data demonstrated that DPDS improves t-BHP-induced oxidative stress by activating the Nrf2/Keap1 pathway, and also improves LPS-induced inflammation via inhibition of the NFκB/MAPK pathways in HBZY-1 cells, suggesting that DPDS has the potential to be developed as a candidate for the prevention and treatment of DN.
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Gnat S, Łagowski D, Dyląg M, Jóźwiak G, Trościańczyk A, Nowakiewicz A. In Vitro Activity of Ebselen and Diphenyl Diselenide Alone and in Combination with Drugs against Trichophyton mentagrophytes Strains. Pharmaceutics 2022; 14:pharmaceutics14061158. [PMID: 35745731 PMCID: PMC9229022 DOI: 10.3390/pharmaceutics14061158] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2022] [Revised: 05/10/2022] [Accepted: 05/26/2022] [Indexed: 11/29/2022] Open
Abstract
Background: Dermatophytoses are one of the most prevalent infectious diseases in the world for which the pace of developing new drugs has not kept pace with the observed therapeutic problems. Thus, searching for new antifungals with an alternative and novel mechanism of action is necessary. Objective: This study aimed to evaluate the antifungal activity of ebselen and diphenyl diselenide against Trichophyton mentagrophytes clinical isolates. Methods: In vitro antifungal susceptibility was assessed for organoselenium compounds used alone or in combination with allylamines and azoles according to the 3rd edition of the CLSI M38 protocol. Results: Ebselen demonstrated high antifungal activity with MICGM equal to 0.442 μg/mL and 0.518 μg/mL in the case of human and animal origin strains, respectively. The values of MICGM of diphenyl diselenide were higher: 17.36 μg/mL and 13.45 μg/mL for the human and animal isolates, respectively. Synergistic or additive effects between terbinafine and ebselen or diphenyl diselenide were observed in the case of 12% and 20% strains, respectively. In turn, the combination of itraconazole with diphenyl diselenide showed a synergistic effect only in the case of 6% of the tested strains, whereas no synergism was shown in the combination with ebselen. Conclusions: The results highlight the promising activity of organoselenium compounds against Trichophyton mentagrophytes. However, their use in combinational therapy with antifungal drugs seems to be unjustified due to the weak synergistic effect observed.
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Affiliation(s)
- Sebastian Gnat
- Department of Veterinary Microbiology, Faculty of Veterinary Medicine, University of Life Sciences, Akademicka 12, 20-033 Lublin, Poland; (D.Ł.); (A.T.); (A.N.)
- Correspondence: ; Tel.: +48-81-445-6093
| | - Dominik Łagowski
- Department of Veterinary Microbiology, Faculty of Veterinary Medicine, University of Life Sciences, Akademicka 12, 20-033 Lublin, Poland; (D.Ł.); (A.T.); (A.N.)
| | - Mariusz Dyląg
- Department of Mycology and Genetics, Faculty of Biological Sciences, University of Wroclaw, S. Przybyszewskiego 63, 50-137 Wroclaw, Poland;
| | - Grzegorz Jóźwiak
- Department of Inorganic Chemistry, Faculty of Pharmacy, Medical University of Lublin, Chodźki 4a, 20-093 Lublin, Poland;
| | - Aleksandra Trościańczyk
- Department of Veterinary Microbiology, Faculty of Veterinary Medicine, University of Life Sciences, Akademicka 12, 20-033 Lublin, Poland; (D.Ł.); (A.T.); (A.N.)
| | - Aneta Nowakiewicz
- Department of Veterinary Microbiology, Faculty of Veterinary Medicine, University of Life Sciences, Akademicka 12, 20-033 Lublin, Poland; (D.Ł.); (A.T.); (A.N.)
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G S, Shetgaonkar SE, Singh FV. Recent Advances in Organoselenium Catalysis. Curr Org Synth 2022; 19:393-413. [DOI: 10.2174/1570179419666220211102602] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2021] [Revised: 11/10/2021] [Accepted: 12/16/2021] [Indexed: 11/22/2022]
Abstract
Abstract:
: Organoselenium chemistry has developed as an important tool in the field of synthetic and medicinal chemistry. Various organoselenium reagents have been developed and used successfully to achieve different organic transformations such as the selenocyclizations, oxyselenenylations and selenoxide eliminations etc. Additionally, the potential of organoselenium reagents is not limited their use as stoichiometric reagents but they have successfully used as organocatalyst in number of synthetic transformations. Various organic and inorganic oxidants have been identified as terminal oxidants to regenerate the active catalytic specie. In this review article, the recent progress of organoselenium reagents in catalysis is being highlighted along with their asymmetric variants.
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Affiliation(s)
- Santosh G
- Chemistry Division, School of Advanced Science, VIT Chennai, Chennai-600127, Tamil Nadu, India
| | - Samata E. Shetgaonkar
- Chemistry Division, School of Advanced Science, VIT Chennai, Chennai-600127, Tamil Nadu, India
| | - Fateh V. Singh
- Chemistry Division, School of Advanced Science, VIT Chennai, Chennai-600127, Tamil Nadu, India
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Estrela FN, Guimarães ATB, Araújo APDC, Silva FG, Luz TMD, Silva AM, Pereira PS, Malafaia G. Toxicity of polystyrene nanoplastics and zinc oxide to mice. CHEMOSPHERE 2021; 271:129476. [PMID: 33434826 DOI: 10.1016/j.chemosphere.2020.129476] [Citation(s) in RCA: 48] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/09/2020] [Revised: 12/21/2020] [Accepted: 12/27/2020] [Indexed: 05/04/2023]
Abstract
The toxicity of zinc oxide (ZnO NPs) and polystyrene nanoplastics (PS NaPs) has been tested in different animal models; however, knowledge about their impact on mice remains incipient. The aim of the current study is to evaluate the effects of these nanomaterials on Swiss mice after their individual exposure to a binary combination of them. The goal was to investigate whether short exposure (three days) to an environmentally relevant dose (14.6 ng/kg, i.p.) of these pollutants would have neurotoxic, biochemical and genotoxic effects on the modelss. Data in the current study have shown that the individual exposure of these animals has led to cognitive impairment based on the object recognition test, although the exposure experiment did not cause locomotor and anxiogenic or anxiolitic-like behavioral changes in them. This outcome was associated with increased nitric oxide levels, thiobarbituric acid reactive species, reduction in acetylcholinesterase activity and with the accumulation of nanomaterials in their brains. Results recorded for the assessed parameters did not differ between the control group and the groups exposed to the binary combination of pollutants. However, both the individual and the combined exposures caused erythrocyte DNA damages associated with hypercholesterolemic and hypertriglyceridemic conditions due to the presence of nanomaterials. Based on the results, the toxicological potential of ZnO NPs and PS NaPs in the models was confirmed and it encouraged further in-depth investigations about factors explaining the lack of additive or synergistic effect caused by the combined exposure to the assessed pollutants.
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Affiliation(s)
- Fernanda Neves Estrela
- Programa de Pós-Graduação em Biotecnologia e Biodiversidade, Universidade Federal de Goiás, Instituto de Patologia Tropical e Saúde Pública, Goiânia, Brazil
| | - Abraão Tiago Batista Guimarães
- Programa de Pós-Graduação em Biotecnologia e Biodiversidade, Universidade Federal de Goiás, Instituto de Patologia Tropical e Saúde Pública, Goiânia, Brazil
| | | | - Fabiano Guimarães Silva
- Programa de Pós-Graduação em Biotecnologia e Biodiversidade, Universidade Federal de Goiás, Instituto de Patologia Tropical e Saúde Pública, Goiânia, Brazil
| | - Thiarlen Marinho da Luz
- Laboratório de Pesquisas Biológicas, Instituto Federal Goiano - Campus Urutaí, Urutaí, Brazil
| | - Abner Marcelino Silva
- Laboratório de Pesquisas Biológicas, Instituto Federal Goiano - Campus Urutaí, Urutaí, Brazil
| | - Paulo Sergio Pereira
- Programa de Pós-Graduação em Biotecnologia e Biodiversidade, Universidade Federal de Goiás, Instituto de Patologia Tropical e Saúde Pública, Goiânia, Brazil
| | - Guilherme Malafaia
- Programa de Pós-Graduação em Biotecnologia e Biodiversidade, Universidade Federal de Goiás, Instituto de Patologia Tropical e Saúde Pública, Goiânia, Brazil; Programa de Pós-Graduação em Conservação de Recursos Naturais do Cerrado, Instituto Federal Goiano - Campus Urutaí, Urutaí, Brazil.
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Naderi M, Puar P, Zonouzi-Marand M, Chivers DP, Niyogi S, Kwong RWM. A comprehensive review on the neuropathophysiology of selenium. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 767:144329. [PMID: 33445002 DOI: 10.1016/j.scitotenv.2020.144329] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/25/2020] [Revised: 12/05/2020] [Accepted: 12/05/2020] [Indexed: 05/25/2023]
Abstract
As an essential micronutrient, selenium (Se) exerts its biological function as a catalytic entity in a variety of enzymes. From a toxicological perspective, however, Se can become extremely toxic at concentrations slightly above its nutritional levels. Over the last few decades, there has been a growing level of concern worldwide regarding the adverse effects of both inorganic and organic Se compounds on a broad spectrum of neurological functions. A wealth of evidence has shown that exposure to excess Se may compromise the normal functioning of various key proteins, neurotransmitter systems (the glutamatergic, dopaminergic, serotonergic, and cholinergic systems), and signaling molecules involved in the control and regulation of cognitive, behavioral, and neuroendocrine functions. Elevated Se exposure has also been suspected to be a risk factor for the development of several neurodegenerative and neuropsychiatric diseases. Nonetheless, despite the various deleterious effects of excess Se on the central nervous system (CNS), Se neurotoxicity and negative behavioral outcomes are still disregarded at the expense of its beneficial health effects. This review focuses on the current state of knowledge regarding the neurobehavioral effects of Se and discusses its potential mode of action on different aspects of the central and peripheral nervous systems. This review also provides a brief history of Se discovery and uses, its physicochemical properties, biological roles in the CNS, environmental occurrence, and toxicity. We also review potential links between exposure to different forms of Se compounds and aberrant neurobehavioral functions in humans and animals, and identify key knowledge gaps and hypotheses for future research.
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Affiliation(s)
- Mohammad Naderi
- Department of Biology, York University, Toronto, ON M3J 1P3, Canada.
| | - Pankaj Puar
- Department of Biology, York University, Toronto, ON M3J 1P3, Canada
| | | | - Douglas P Chivers
- Department of Biology, University of Saskatchewan, 112 Science Place, Saskatoon, SK S7N 5E2, Canada
| | - Som Niyogi
- Department of Biology, University of Saskatchewan, 112 Science Place, Saskatoon, SK S7N 5E2, Canada; Toxicology Centre, University of Saskatchewan, 44 Campus Drive, Saskatoon, SK S7N 5B3, Canada
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Capperucci A, Coronnello M, Salvini F, Tanini D, Dei S, Teodori E, Giovannelli L. Synthesis of functionalised organochalcogenides and in vitro evaluation of their antioxidant activity. Bioorg Chem 2021; 110:104812. [PMID: 33744808 DOI: 10.1016/j.bioorg.2021.104812] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2020] [Revised: 01/29/2021] [Accepted: 03/05/2021] [Indexed: 11/26/2022]
Abstract
Differently substituted β-hydroxy- and β-amino dialkyl and alkyl-aryl tellurides and selenides have been prepared through ring-opening reactions of epoxides and aziridines with selenium- or tellurium-centered nucleophiles. The antioxidant properties and the cytotoxicity of such compounds have been investigated on normal human dermal fibroblasts. Most of the studied compounds exhibited a low cytotoxicity and a number of them proved to be non-toxic, not showing any effect on cell viability even at the highest concentration used (100 μM). The obtained results showed a significant antioxidant potential of the selected organotellurium compounds, particularly evident under conditions of exogenously induced oxidative stress. The antioxidant activity of selenium-containing analogues of active tellurides has also been evaluated on cells, highlighting that the replacement of Se with Te brought about a significant increase in the peroxidase activity.
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Affiliation(s)
- Antonella Capperucci
- University of Florence, Department of Chemistry "Ugo Schiff", Via della Lastruccia 3-13, I-50019 Sesto Fiorentino (Florence), Italy
| | - Marcella Coronnello
- University of Florence, Department of Health Sciences - Section of Clinical Pharmacology and Oncology, Viale Pieraccini 6, 50139 Firenze, Italy
| | - Francesca Salvini
- University of Florence, Department of Health Sciences - Section of Clinical Pharmacology and Oncology, Viale Pieraccini 6, 50139 Firenze, Italy
| | - Damiano Tanini
- University of Florence, Department of Chemistry "Ugo Schiff", Via della Lastruccia 3-13, I-50019 Sesto Fiorentino (Florence), Italy.
| | - Silvia Dei
- University of Florence, Department of Neurosciences, Psychology, Drug Research and Child's Health - Section of Pharmaceutical and Nutraceutical Sciences, via Ugo Schiff 6, 50019 Sesto Fiorentino (FI), Italy.
| | - Elisabetta Teodori
- University of Florence, Department of Neurosciences, Psychology, Drug Research and Child's Health - Section of Pharmaceutical and Nutraceutical Sciences, via Ugo Schiff 6, 50019 Sesto Fiorentino (FI), Italy
| | - Lisa Giovannelli
- University of Florence, Department of Neurosciences, Psychology, Drug Research and Child's Health - Section of Pharmacology, Viale Pieraccini 6, 50139 Firenze, Italy
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10
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Socha K, Klimiuk K, Naliwajko SK, Soroczyńska J, Puścion-Jakubik A, Markiewicz-Żukowska R, Kochanowicz J. Dietary Habits, Selenium, Copper, Zinc and Total Antioxidant Status in Serum in Relation to Cognitive Functions of Patients with Alzheimer's Disease. Nutrients 2021; 13:nu13020287. [PMID: 33498452 PMCID: PMC7909435 DOI: 10.3390/nu13020287] [Citation(s) in RCA: 33] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2020] [Revised: 01/11/2021] [Accepted: 01/17/2021] [Indexed: 12/20/2022] Open
Abstract
Oxidative stress plays a crucial role in the neurodegenerative process and can impair cognitive functions. In the prevention of Alzheimer's disease (AD), an adequate consumption of dietary antioxidants may be a major factor. The objective of the study was to estimate selenium (Se), copper (Cu), zinc (Zn), and total antioxidant status (TAS) in the serum of patients with AD in relation to their cognitive functions and dietary habits. A total of 110 patients (aged 54-93 years) with early or moderate AD, as well as 60 healthy people (aged 52-83 years) were studied. The severity of the disease was assessed using the mini-mental state examination (MMSE) scale. Food-frequency questionnaires were implemented to collect the dietary data. The concentrations of Se, Cu and Zn in the sera were determined by the atomic absorption spectrometry method. TAS was estimated spectrophotometrically using ready-made kits (Randox). Significantly lower concentrations of Se, Zn and TAS, and higher Cu:Zn ratio in the serum of patients with AD, compared to healthy people, were observed. A low correlation between the MMSE score and TAS in the serum of AD patients and significantly higher MMSE values in patients with TAS above the reference range were also noted. In patients with serum Cu concentration above the norm, significantly lower MMSE values were found. Selected dietary habits such as the frequency of consumption of various food products had a significant impact on the concentration of the assessed parameters in the serum of people with AD.
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Affiliation(s)
- Katarzyna Socha
- Department of Bromatology, Faculty of Pharmacy with the Division of Laboratory Medicine, Medical University of Białystok, Mickiewicza 2D Street, 15-222 Białystok, Poland; (S.K.N.); (J.S.); (A.P.-J.); (R.M.-Ż.)
- Correspondence: ; Tel.: +48-8574-854-68
| | - Katarzyna Klimiuk
- Podlasie Center of Psychogeriatrics, Swobodna 38 Street, 15-756 Białystok, Poland;
| | - Sylwia K. Naliwajko
- Department of Bromatology, Faculty of Pharmacy with the Division of Laboratory Medicine, Medical University of Białystok, Mickiewicza 2D Street, 15-222 Białystok, Poland; (S.K.N.); (J.S.); (A.P.-J.); (R.M.-Ż.)
| | - Jolanta Soroczyńska
- Department of Bromatology, Faculty of Pharmacy with the Division of Laboratory Medicine, Medical University of Białystok, Mickiewicza 2D Street, 15-222 Białystok, Poland; (S.K.N.); (J.S.); (A.P.-J.); (R.M.-Ż.)
| | - Anna Puścion-Jakubik
- Department of Bromatology, Faculty of Pharmacy with the Division of Laboratory Medicine, Medical University of Białystok, Mickiewicza 2D Street, 15-222 Białystok, Poland; (S.K.N.); (J.S.); (A.P.-J.); (R.M.-Ż.)
| | - Renata Markiewicz-Żukowska
- Department of Bromatology, Faculty of Pharmacy with the Division of Laboratory Medicine, Medical University of Białystok, Mickiewicza 2D Street, 15-222 Białystok, Poland; (S.K.N.); (J.S.); (A.P.-J.); (R.M.-Ż.)
| | - Jan Kochanowicz
- Department of Neurology, Medical University of Białystok, M. Skłodowskiej-Curie 24a Street, 15-276 Białystok, Poland;
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11
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Benelli JL, Poester VR, Munhoz LS, Melo AM, Trápaga MR, Stevens DA, Xavier MO. Ebselen and diphenyl diselenide against fungal pathogens: A systematic review. Med Mycol 2021; 59:409-421. [PMID: 33421963 DOI: 10.1093/mmy/myaa115] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2020] [Revised: 11/16/2020] [Accepted: 12/18/2020] [Indexed: 12/17/2022] Open
Abstract
Fungal infections are one of the most prevalent diseases in the world and there is a lack of new antifungal drug development for these diseases. We conducted a systematic review of the literature regarding the in vitro antifungal activity of the organoselenium compounds ebselen (Eb) and diphenyl diselenide [(PhSe)2]. A systematic review was carried out based on the search for articles with data concerning Minimal Inhibitory Concentration (MIC) values, indexed in international databases and published until August 2020. A total of 2337 articles were found, and, according to the inclusion and exclusion criteria used, 22 articles were included in the study. Inhibitory activity against 96% (200/208) and 95% (312/328) of the pathogenic fungi tested was described for Eb and [(PhSe)2], respectively. Including in these 536 fungal isolates tested, organoselenium activity was highlighted against Candida spp., Cryptococcus ssp., Trichosporon spp., Aspergillus spp., Fusarium spp., Pythium spp., and Sporothrix spp., with MIC values lower than 64 μg/mL. In conclusion, Eb and [(PhSe)2] have a broad spectrum of in vitro inhibitory antifungal activity. These data added with other pharmacological properties of these organoselenium compounds suggest that both compounds are potential future antifungal drugs. Whether MICs toward the upper end of the ranges described here are compatible with efficacious therapy, and whether they may achieve such end as a result of the favorable non-antimicrobial effects of selenium on the host, requires more in vivo testing.
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Affiliation(s)
- Jéssica Louise Benelli
- Mycology Laboratory, College of Medicine, Federal University of Rio Grande, Rio Grande, RS, Brazil.,Health Science Post-graduation program, College of Medicine, Federal University of Rio Grande, Rio Grande, RS, Brazil
| | - Vanice Rodrigues Poester
- Mycology Laboratory, College of Medicine, Federal University of Rio Grande, Rio Grande, RS, Brazil.,Health Science Post-graduation program, College of Medicine, Federal University of Rio Grande, Rio Grande, RS, Brazil
| | - Lívia Silveira Munhoz
- Mycology Laboratory, College of Medicine, Federal University of Rio Grande, Rio Grande, RS, Brazil.,Health Science Post-graduation program, College of Medicine, Federal University of Rio Grande, Rio Grande, RS, Brazil
| | - Aryse Martins Melo
- Mycology Laboratory, College of Medicine, Federal University of Rio Grande, Rio Grande, RS, Brazil.,Microbiology and Parasitology Post-graduation program, Institute of Biology, Federal University of Pelotas, Pelotas, RS, Brazil
| | | | - David A Stevens
- California Institute for Medical Research, San Jose, California, USA.,Division of Infectious Diseases and Geographic Medicine, Stanford University Medical School, Stanford, California, USA
| | - Melissa Orzechowski Xavier
- Mycology Laboratory, College of Medicine, Federal University of Rio Grande, Rio Grande, RS, Brazil.,Health Science Post-graduation program, College of Medicine, Federal University of Rio Grande, Rio Grande, RS, Brazil.,Microbiology and Parasitology Post-graduation program, Institute of Biology, Federal University of Pelotas, Pelotas, RS, Brazil
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12
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Müller SG, Jardim NS, Trindade MA, Nogueira CW. Opioid System Contributes to the Trifluoromethyl-Substituted Diselenide Effectiveness in a Lifestyle-Induced Depression Mouse Model. Mol Neurobiol 2021; 58:2231-2241. [PMID: 33417225 DOI: 10.1007/s12035-020-02255-z] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2020] [Accepted: 12/08/2020] [Indexed: 12/17/2022]
Abstract
Energy-dense foods and ethanol consumption are associated with mood disorders. m-Trifluoromethyl-diphenyl diselenide [(m-CF3-PhSe)2] has been a prominent pharmacological target due to its antidepressant-like effects. This study investigated if the modulation of opioid and glucocorticoid receptors and its well-known antioxidant property contribute to the (m-CF3-PhSe)2 antidepressant-like effect in young mice subjected to an energy-dense diet and ethanol intake. Swiss male mice [postnatal day (PND) 25] were exposed to an energy-dense diet (containing 20% fat and 20% carbohydrate) or standard chow until the PND 67. Mice received ethanol (2 g/kg) or water administration (3 times a week, intragastrically [i.g.]) from PND 45 to PND 60. After that, mice received (m-CF3-PhSe)2 (5 mg/kg/day; i.g) or vegetal oil administration from PND 60 to 66. Mice performed the behavioral tests to evaluate the depressive-like phenotype. The results showed that individually neither an energy-dense diet nor ethanol group induced a depressive-like phenotype, but the association of both induced this phenotype in young mice. Oxidative stress was characterized by the increase of malondialdehyde, the decrease in the superoxide dismutase activity, and non-protein sulfhydryl levels in the cerebral cortex of depressive-like mice. Depressive-like mice showed an increase in the protein levels of opioid receptors and depletion in those of glucocorticoid. (m-CF3-PhSe)2 abolished depressive-like phenotype and oxidative stress as well as modulated the levels of glucocorticoid and opioid receptors. In conclusion, the modulation of opioid and glucocorticoid receptors and the antioxidant property contributed to the (m-CF3-PhSe)2 antidepressant-like effect in young mice exposed to an energy-dense diet and ethanol intake.
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Affiliation(s)
- Sabrina Grendene Müller
- Laboratory of Synthesis, Reactivity, Pharmacological and Toxicological Evaluation of Organochalcogen Compounds, Department of Biochemistry and Molecular Biology, Center of Natural and Exact Sciences, Federal University of Santa Maria, Santa Maria, RS, 97105-900, Brazil
| | - Natália Silva Jardim
- Laboratory of Synthesis, Reactivity, Pharmacological and Toxicological Evaluation of Organochalcogen Compounds, Department of Biochemistry and Molecular Biology, Center of Natural and Exact Sciences, Federal University of Santa Maria, Santa Maria, RS, 97105-900, Brazil
| | - Milene Arrial Trindade
- Laboratory of Synthesis, Reactivity, Pharmacological and Toxicological Evaluation of Organochalcogen Compounds, Department of Biochemistry and Molecular Biology, Center of Natural and Exact Sciences, Federal University of Santa Maria, Santa Maria, RS, 97105-900, Brazil
| | - Cristina Wayne Nogueira
- Laboratory of Synthesis, Reactivity, Pharmacological and Toxicological Evaluation of Organochalcogen Compounds, Department of Biochemistry and Molecular Biology, Center of Natural and Exact Sciences, Federal University of Santa Maria, Santa Maria, RS, 97105-900, Brazil.
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13
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Melo AM, Poester VR, Trapaga M, Nogueira CW, Zeni G, Martinez M, Sass G, Stevens DA, Xavier MO. Diphenyl diselenide and its interaction with antifungals against Aspergillus spp. Med Mycol 2020; 59:myaa072. [PMID: 32844203 DOI: 10.1093/mmy/myaa072] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2020] [Revised: 07/16/2020] [Accepted: 08/20/2020] [Indexed: 02/06/2023] Open
Abstract
Given the few antifungal classes available to treat aspergillosis, this study aimed to evaluate the in vitro antifungal activity of diphenyl diselenide (PhSe)2 alone and in combination with classical antifungals against Aspergillus spp., and its in vivo activity in a systemic experimental aspergillosis model. We performed in vitro broth microdilution assay of (PhSe)2 against 32 Aspergillus isolates; and a checkboard assay to test the interaction of this compound with itraconazole (ITC), voriconazole (VRC), amphotericin B (AMB), and caspofungin (CAS), against nine Aspergillus isolates. An experimental model of invasive aspergillosis in mice was studied, and survival curves were compared between an untreated group and groups treated with 100 mg/kg ITC, or (PhSe)2 in different dosages (10 mg/kg, 50 mg/kg and 100 mg/kg). All Aspergillus non-fumigatus and 50% of A. fumigatus were inhibited by (PhSe)2 in concentrations ≤ 64 µg/ml, with significant differences in MICs between the sections. Synergism or additive effect in the in vitro (PhSe)2 interaction with VRC and CAS was observed against the majority of isolates, and with ITC against the non-fumigatus strains. In addition to the inhibitory interaction, (PhSe)2 was able to add a fungicidal effect to CAS. Survival curves from the systemic experimental aspergillosis model demonstrated that the inoculum caused an acute and lethal infection in mice, and no treatment applied significantly prolonged survival over that of the control group. The results highlight the promising activity of (PhSe)2 against Aspergillus species, but more in vivo studies are needed to determine its potential applicability in aspergillosis treatment. LAY SUMMARY The activity of diphenyl diselenide (PhSe)2 alone and in combination with itraconazole, voriconazole, and caspofungin, is described against three of the most pathogenic Aspergillus sections. (PhSe)2 may prove useful in therapy of infection in future; further study is required.
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Affiliation(s)
- Aryse Martins Melo
- Microbiology and Parasitology Post-graduation program, Institute of Biology, Federal University of Pelotas, Pelotas, RS, Brazil
- Department of Infectious Diseases/Reference Unit for Parasitic and Fungal Infections, National Institute of Health, Dr. Ricardo Jorge, Lisbon, Portugal
- Mycology Laboratory, College of Medicine, Federal University of Rio Grande, Rio Grande, RS, Brazil
| | - Vanice Rodrigues Poester
- Mycology Laboratory, College of Medicine, Federal University of Rio Grande, Rio Grande, RS, Brazil
- Health Science Post-graduation program, College of Medicine, Federal University of Rio Grande, Rio Grande, RS, Brazil
| | - Mariana Trapaga
- Mycology Laboratory, College of Medicine, Federal University of Rio Grande, Rio Grande, RS, Brazil
| | - Cristina Wayne Nogueira
- Biological Sciences Post-graduation program, Department of Biochemistry and Molecular Biology, Center for Natural and Exact Sciences, Federal University of Santa Maria. RS, Brazil
| | - Gilson Zeni
- Biological Sciences Post-graduation program, Department of Biochemistry and Molecular Biology, Center for Natural and Exact Sciences, Federal University of Santa Maria. RS, Brazil
| | - Marife Martinez
- California Institute for Medical Research, San Jose, California, USA
| | - Gabriele Sass
- California Institute for Medical Research, San Jose, California, USA
| | - David A Stevens
- California Institute for Medical Research, San Jose, California, USA
- Division of Infectious Diseases and Geographic Medicine, Stanford University Medical School, Stanford, California, USA
| | - Melissa Orzechowski Xavier
- Microbiology and Parasitology Post-graduation program, Institute of Biology, Federal University of Pelotas, Pelotas, RS, Brazil
- Mycology Laboratory, College of Medicine, Federal University of Rio Grande, Rio Grande, RS, Brazil
- Health Science Post-graduation program, College of Medicine, Federal University of Rio Grande, Rio Grande, RS, Brazil
- California Institute for Medical Research, San Jose, California, USA
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14
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Cao H, Qian R, Yu L. Selenium-catalyzed oxidation of alkenes: insight into the mechanisms and developing trend. Catal Sci Technol 2020. [DOI: 10.1039/d0cy00400f] [Citation(s) in RCA: 44] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Recent progresses of the selenium-catalyzed oxidation of alkenes are summarized at the mechanism level. It may be beneficial for designing novel selenium-containing catalysts and alkene oxidation protocols for the next phase of studies.
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Affiliation(s)
- Hongen Cao
- School of Chemistry and Chemical Engineering
- Yangzhou University
- Yangzhou
- P. R. China
| | | | - Lei Yu
- School of Chemistry and Chemical Engineering
- Yangzhou University
- Yangzhou
- P. R. China
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15
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Tiezza MD, Ribaudo G, Orian L. Organodiselenides: Organic Catalysis and Drug Design Learning from Glutathione Peroxidase. CURR ORG CHEM 2019. [DOI: 10.2174/1385272822666180803123137] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
Organodiselenides are an important class of compounds characterized by the
presence of two adjacent covalently bonded selenium nuclei. Among them,
diaryldiselenides and their parent compound diphenyl diselenide attract continuing interest
in chemistry as well as in close disciplines like medicinal chemistry, pharmacology and
biochemistry. A search in SCOPUS database has revealed that in the last three years 105
papers have been published on the archetypal diphenyl diselenide and its use in organic
catalysis and drug tests. The reactivity of the Se-Se bond and the redox properties of selenium
make diselenides efficient catalysts for numerous organic reactions, such as Bayer-
Villiger oxidations of aldehydes/ketones, epoxidations of alkenes, oxidations of alcohols
and nitrogen containing compounds. In addition, organodiselenides might find application
as mimics of glutathione peroxidase (GPx), a family of enzymes, which, besides performing other functions,
regulate the peroxide tone in the cells and control the oxidative stress level. In this review, the essential synthetic
and reactivity aspects of organoselenides are collected and rationalized using the results of accurate
computational studies, which have been carried out mainly in the last two decades. The results obtained in
silico provide a clear explanation of the anti-oxidant activity of organodiselenides and more in general of their
ability to reduce hydroperoxides. At the same time, they are useful to gain insight into some aspects of the enzymatic
activity of the GPx, inspiring novel elements for rational catalyst and drug design.
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Affiliation(s)
- Marco Dalla Tiezza
- Dipartimento di Scienze Chimiche, Universita degli Studi di, Via Marzolo 1, 35131 Padova, Italy
| | - Giovanni Ribaudo
- Dipartimento di Scienze del Farmaco, Universita degli Studi di Padova, Via Marzolo 5, 35131 Padova, Italy
| | - Laura Orian
- Dipartimento di Scienze Chimiche, Universita degli Studi di, Via Marzolo 1, 35131 Padova, Italy
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16
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Lavado LK, Zhang MH, Patel K, Khan S, Patel UK. Biometals as Potential Predictors of the Neurodegenerative Decline in Alzheimer's Disease. Cureus 2019; 11:e5573. [PMID: 31695992 PMCID: PMC6820671 DOI: 10.7759/cureus.5573] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Abstract
Alzheimer’s Disease (AD) is a debilitating neurodegenerative disease that is diagnosed by gradual memory loss and certain cognitive impairments involving attention, reasoning, and language. Most of the research on Alzheimer’s disease focuses on the correlation of its neuropathological changes in the neurofibrillary tangles caused by hyper-phosphorylated tau protein and β-amyloid plaques with respect to cognitive impairment. Its pathology, however, remains incompletely understood. Currently, research has demonstrated that environmental factors such as biometals play a crucial role in exacerbating AD progression. The present review examines the role of metals in AD progression and how metal dyshomeostasis attributes to AD pathogenesis. It was found that certain metals possess both beneficial and harmful properties in terms of AD progression. Depending upon the concentration of the metal of interest, copper, zinc, iron, and selenium have general beneficial properties. However, when present in excess, they can lead to oxidative stress and hyperphosphorylation of tau protein, amongst other harmful effects, while calcium and magnesium were seen to have beneficial effects by regulating biometal uptake. In this review, we have provided evidential studies that focus on the involvement of certain metals in antioxidant pathways leading to the formation of reactive species indicative of neurodegeneration.
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Affiliation(s)
| | - Michelle H Zhang
- Psychological & Brain Sciences and Biology, Johns Hopkins University, Baltimore, USA
| | - Karan Patel
- Neuroscience, Johns Hopkins University, Baltimore, USA
| | - Sohim Khan
- Public Health, Icahn School of Medicine at Mount Sinai, New York, USA
| | - Urvish K Patel
- Neurology and Public Health, Icahn School of Medicine at Mount Sinai, New York, USA
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17
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Santos DSD, Boito JP, Klauck V, Reis JHD, Gebert RR, Glombowsky P, Biazus AH, Bottari NB, Sousa RS, Machado G, Leal MLR, Baldissera MD, Berwanger JC, Silva ASDA. Health benefits of subcutaneous zinc edetate and diphenyl diselenide in calves during the weaning period. AN ACAD BRAS CIENC 2019; 91:e20171042. [PMID: 30994751 DOI: 10.1590/0001-3765201920171042] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2017] [Accepted: 06/12/2018] [Indexed: 11/22/2022] Open
Abstract
The aims of this study were to investigate whether treatments with zinc edetate (Zn) and diphenyl diselenide ((PhSe)2) enhance performance, immune responses, protein metabolism, and oxidant/antioxidant status in calf serum and muscle. Animals were divided into four groups (n=6 each): control (without supplementation), and groups supplemented on days 50 and 70 of life with (PhSe)2, Zn, and a combination of (PhSe)2 and Zn. Animals treated with (PhSe)2 gained more weight by experimental day 220 than did the control group, but there was no difference by the end of the experiment (day 300). The absolute number of leukocytes and lymphocytes increased in groups Zn and (PhSe)2+Zn on day 20 of experiment, but decreased on day 40 in groups (PhSe)2, and (PhSe)2+Zn. The number of monocytes decreased in all groups compared with control. One of the principal findings was that (PhSe)2+Zn together had beneficial effects on protein metabolism, represented by increases total protein and globulin levels, compared with the control group. The combination of (PhSe)2 and Zn led to low levels of TBARS and ROS in serum and muscle, and stimulated antioxidant enzyme activities. Thus, supplementation with (PhSe)2+Zn may be a compelling approach to augmenting the calf antioxidant system during weaning.
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Affiliation(s)
- Daiane S Dos Santos
- Departamento de Zootecnia, Universidade do Estado de Santa Catarina/UDESC, Rua Beloni Trombeta Zanin, 680D, 89815-630 Chapecó, SC, Brazil
| | - Jhonatan P Boito
- Departamento de Zootecnia, Universidade do Estado de Santa Catarina/UDESC, Rua Beloni Trombeta Zanin, 680D, 89815-630 Chapecó, SC, Brazil
| | - Vanderlei Klauck
- Programa de Pós-Graduação em Zootecnia, Universidade do Estado de Santa Catarina/UDESC, Rua Beloni Trombeta Zanin, 680D, 89815-630 Chapecó, SC, Brazil
| | - João H Dos Reis
- Departamento de Zootecnia, Universidade do Estado de Santa Catarina/UDESC, Rua Beloni Trombeta Zanin, 680D, 89815-630 Chapecó, SC, Brazil
| | - Roger R Gebert
- Departamento de Zootecnia, Universidade do Estado de Santa Catarina/UDESC, Rua Beloni Trombeta Zanin, 680D, 89815-630 Chapecó, SC, Brazil
| | - Patrícia Glombowsky
- Departamento de Zootecnia, Universidade do Estado de Santa Catarina/UDESC, Rua Beloni Trombeta Zanin, 680D, 89815-630 Chapecó, SC, Brazil
| | - Angelisa H Biazus
- Programa de Pós-Graduação em Zootecnia, Universidade do Estado de Santa Catarina/UDESC, Rua Beloni Trombeta Zanin, 680D, 89815-630 Chapecó, SC, Brazil
| | - Nathieli B Bottari
- Departamento de Bioquímica e Biologia Molecular, Universidade Federal de Santa Maria/UFSM, Avenida Roraima, 1000, 97105-900 Santa Maria, RS, Brazil
| | - Rejane S Sousa
- Departamento de Bioquímica e Biologia Molecular, Universidade de São Paulo/USP, Avenida Prof. Lineu Prestes, 748, 05508-000 São Paulo, SP, Brazil
| | - Gustavo Machado
- Department of Veterinary Population Medicine, College of Veterinary Medicine, University of Minnesota, Gortner Ave, 1365, St. Paul, 55108 MN, USA
| | - Marta L R Leal
- Departamento de Grandes Animais, Universidade Federal de Santa Maria/UFSM, Avenida Roraima, 1000, 97105-900 Santa Maria, RS, Brazil
| | - Matheus D Baldissera
- Departamento de Microbiologia e Parasitologia, Universidade Federal de Santa Maria/UFSM, Avenida Roraima, 1000, 97105-900 Santa Maria, RS, Brazil
| | - Jean C Berwanger
- Graduação em Medicina Veterinária, Universidade Norte do Paraná/UNOPAR, Avenida Paris, Jardim Piza, 675, 86083-070 Londrina, PR, Brazil
| | - Aleksandro S DA Silva
- Departamento de Zootecnia, Universidade do Estado de Santa Catarina/UDESC, Rua Beloni Trombeta Zanin, 680D, 89815-630 Chapecó, SC, Brazil.,Programa de Pós-Graduação em Zootecnia, Universidade do Estado de Santa Catarina/UDESC, Rua Beloni Trombeta Zanin, 680D, 89815-630 Chapecó, SC, Brazil
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18
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Felli Kubiça T, Bedin Denardi L, Silva de Loreto É, Zeni G, Weiblen C, Oliveira V, Morais Santurio J, Hartz Alves S. In vitro activity of diphenyl diselenide and ebselen alone and in combination with antifungal agents against
Trichosporon asahii. Mycoses 2019; 62:428-433. [DOI: 10.1111/myc.12906] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2018] [Revised: 01/13/2019] [Accepted: 02/13/2019] [Indexed: 11/30/2022]
Affiliation(s)
- Thaís Felli Kubiça
- Department of Microbiology and ParasitologyFederal University of Santa Maria (UFSM) Santa Maria Brazil
- Integrated Regional University of High Uruguay and Missions (URI) Santiago Brazil
| | - Laura Bedin Denardi
- Department of Microbiology and ParasitologyFederal University of Santa Maria (UFSM) Santa Maria Brazil
- Integrated Regional University of High Uruguay and Missions (URI) Santiago Brazil
| | - Érico Silva de Loreto
- Department of Microbiology and ParasitologyFederal University of Santa Maria (UFSM) Santa Maria Brazil
| | - Gilson Zeni
- Department of ChemistryCenter of Natural and Exact SciencesFederal University of Santa Maria (UFSM) Santa Maria Brazil
| | - Carla Weiblen
- Department of Microbiology and ParasitologyFederal University of Santa Maria (UFSM) Santa Maria Brazil
| | - Vanessa Oliveira
- Department of Microbiology and ParasitologyFederal University of Santa Maria (UFSM) Santa Maria Brazil
| | - Janio Morais Santurio
- Department of Microbiology and ParasitologyFederal University of Santa Maria (UFSM) Santa Maria Brazil
| | - Sydney Hartz Alves
- Department of Microbiology and ParasitologyFederal University of Santa Maria (UFSM) Santa Maria Brazil
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Abstract
Selenium-based catalysts, including organo- and inorganoselenium ones, in organic synthesis in the recent decade are reviewed.
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Affiliation(s)
- Lixiong Shao
- College of Chemistry and Materials Engineering
- Wenzhou University
- Chashan University Town
- Wenzhou
- P. R. China
| | - Yiming Li
- Shanghai Key Laboratory of Green Chemistry and Chemical Process
- School of Chemistry and Molecular Engineering
- East China Normal University
- Shanghai 200062
- P. R. China
| | - Jianmei Lu
- College of Chemistry and Materials Engineering
- Wenzhou University
- Chashan University Town
- Wenzhou
- P. R. China
| | - Xuefeng Jiang
- Shanghai Key Laboratory of Green Chemistry and Chemical Process
- School of Chemistry and Molecular Engineering
- East China Normal University
- Shanghai 200062
- P. R. China
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20
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Abstract
Organoselenium chemistry has become an important tool in synthetic and medicinal chemistry.
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Biazus AH, Cazarotto CJ, Machado G, Bottari NB, Alves MS, Morsch VM, Schetinger MRC, Leal MLR, Fernandes NF, Moresco RN, Baldissera MD, Da Silva AS. Diphenyl diselenide subcutaneous supplementation of dairy sheep: effects on oxidant and antioxidant status, inflammatory response and milk composition. ANIMAL PRODUCTION SCIENCE 2019. [DOI: 10.1071/an17374] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
Diphenyl diselenide ((PhSe)2) is a organoselenium compound with potent antioxidant properties. Therefore, the aim of the present study was to evaluate whether subcutaneous supplementation of (PhSe)2 in dairy sheep has positive effects on milk composition, as well as on the prevention of oxidative stress and exacerbated inflammatory response. For this, 16 primiparous recently calved sheep were divided into the following two groups, with eight animals in each: Group A, the control group; and Group B, the group subcutaneously supplemented with five doses of (PhSe)2 of 3.0µmol/kg each every 7 days. Blood samples from supplemented animals showed increased concentration of antioxidant enzymes (catalase, superoxide dismutase, glutathione peroxidase and glutathione-S-transferase), and reduced reactive oxygen species and lipid peroxidation, which prevented oxidative damage in the lactation period, as well as increased seric interleukin-10, an anti-inflammatory cytokine. In the sera, supplemented animals showed increased total antioxidant capacity and ferric-reducing ability of plasma compared with the control group. As a consequence, supplemented animals showed increased antioxidant variables, as well as reduced protein oxidation in milk samples. Moreover, milk from supplemented sheep showed a higher fat content, and lower total protein and lactose contents in some periods in the study, than did not-supplemented ewes. Seric concentrations of interleukin-1 were lower on Days 30 and 45 in supplemented animals, as well as the concentrations of tumour necrosis factor α in all periods, than were those in the control group, whereas the interleukin-10 concentrations were higher. Thus, dairy sheep supplementation of (PhSe)2 activated antioxidant and anti-inflammatory responses, and increased milk fat content. Moreover, this protocol increased the antioxidant and, consequently, reduced the oxidant concentration in milk, which is desirable for product quality.
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Adedara IA, Owoeye O, Awogbindin IO, Ajayi BO, Rocha JBT, Farombi EO. Diphenyl diselenide abrogates brain oxidative injury and neurobehavioural deficits associated with pesticide chlorpyrifos exposure in rats. Chem Biol Interact 2018; 296:105-116. [PMID: 30267645 DOI: 10.1016/j.cbi.2018.09.016] [Citation(s) in RCA: 43] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2018] [Revised: 08/03/2018] [Accepted: 09/26/2018] [Indexed: 01/01/2023]
Abstract
Exposure to pesticide chlorpyrifos (CPF) is associated with neurodevelopmental toxicity both in humans and animals. Diphenyl diselenide (DPDS) is a simple synthetic organoselenium well reported to possess antioxidant, anti-inflammatory and neuroprotective effects. However, there is paucity of information on the beneficial effects of DPDS on CPF-mediated brain injury and neurobehavioural deficits. The present study investigated the neuroprotective mechanism of DPDS in rats sub-chronically treated with CPF alone at 5 mg/kg body weight or orally co-treated with DPDS at 2.5 and 5 mg/kg body weight for 35 consecutive days. Endpoint analyses using video-tracking software in a novel environment revealed that co-treatment with DPDS significantly (p < 0.05) protected against CPF-mediated locomotor and motor deficits precisely the decrease in maximum speed, total distance travelled, body rotation, absolute turn angle, forelimb grip strength as well as the increase in negative geotaxis and incidence of fecal pellets. The enhancement in the neurobehavioral activities of rats co-treated with DPDS was verified by track plot analyses. Besides, DPDS assuaged CPF-induced decrease in acetylcholinesterase and antioxidant enzymes activities and the increase in myeloperoxidase activity and lipid peroxidation level in the mid-brain, cerebral cortex and cerebellum of the rats. Histologically, DPDS co-treatment abrogated CPF-mediated neuronal degeneration in the cerebral cortex, dentate gyrus and cornu ammonis3 in the treated rats. In conclusion, the neuroprotective mechanisms of DPDS is related to the prevention of oxidative stress, enhancement of redox status and acetylcholinesterase activity in brain regions of the rats. DPDS may be a promising chemotherapeutic agent against brain injury resulting from CPF exposure.
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Affiliation(s)
- Isaac A Adedara
- Drug Metabolism and Toxicology Research Laboratories, Department of Biochemistry, College of Medicine, University of Ibadan, Ibadan, Nigeria
| | - Olatunde Owoeye
- Department of Anatomy, College of Medicine, University of Ibadan, Ibadan, Nigeria
| | - Ifeoluwa O Awogbindin
- Drug Metabolism and Toxicology Research Laboratories, Department of Biochemistry, College of Medicine, University of Ibadan, Ibadan, Nigeria
| | - Babajide O Ajayi
- Drug Metabolism and Toxicology Research Laboratories, Department of Biochemistry, College of Medicine, University of Ibadan, Ibadan, Nigeria
| | - Joao B T Rocha
- Departamento de Bioquímica e Biologia Molecular, CCNE, Universidade Federal de Santa Maria, 97105-900, Santa Maria, RS, Brazil
| | - Ebenezer O Farombi
- Drug Metabolism and Toxicology Research Laboratories, Department of Biochemistry, College of Medicine, University of Ibadan, Ibadan, Nigeria.
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23
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Ecker A, Ledur PC, da Silva RS, Leal DBR, Rodrigues OED, Ardisson-Araújo D, Waczuk EP, da Rocha JBT, Barbosa NV. Chalcogenozidovudine Derivatives With Antitumor Activity: Comparative Toxicities in Cultured Human Mononuclear Cells. Toxicol Sci 2018; 160:30-46. [PMID: 29036705 DOI: 10.1093/toxsci/kfx152] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023] Open
Abstract
Considering a novel series of zidovudine (AZT) derivatives encompassing selenoaryl moieties promising candidates as therapeutics, we examined the toxicities elicited by AZT and derivatives 5'-(4-Chlorophenylseleno)zidovudine (SZ1); 5'-(Phenylseleno)zidovudine (SZ2); and 5'-(4-Methylphenylseleno)zidovudine (SZ3) in healthy cells and in mice. Resting and stimulated cultured human peripheral blood mononuclear cells (PBMCs) were treated with the compounds at concentrations ranging from 10 to 200 µM for 24 and/or 72 h. Adult mice received a single injection of compounds (100 µmol/kg, s.c.) and 72 h after administration, hepatic/renal biomarkers were analyzed. Resting and stimulated PBMCs exposed to SZ1 displayed loss of viability, increased reactive species production, disruption in cell cycle, apoptosis and increased transcript levels and production of pro-inflammatory cytokines. In a mild way, most of these effects were also induced by SZ2. AZT and SZ3 did not cause significant toxicity towards resting PBMCs. Differently, both compounds elicited apoptosis and S phase arrest in stimulated cells. AZT and derivatives administration did not change the body weight and plasma biochemical markers in mice. However, the absolute weight and organ-to-body weight ratio of liver, kidneys and spleen were altered in AZT, SZ1-, and SZ2-treated mice. Our results highlighted the involvement of derivatives SZ1 and SZ2 in redox and immunological dyshomeostasis leading to activation of apoptotic signaling pathways in healthy cells under different division phases. On the other hand, the derivative SZ3 emerged as a promising candidate for further viral infection/antitumor studies as a new effective therapy with low toxicity for immune cells and after acute in vivo treatment.
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Affiliation(s)
- Assis Ecker
- Programa de Pós-Graduação em Ciências Biológicas: Bioquímica Toxicológica, Departamento de Bioquímica e Biologia Molecular, Universidade Federal de Santa Maria (UFSM), Campus Universitário - Camobi, 97105-900 Santa Maria, RS, Brasil
| | | | - Rafael S da Silva
- LabSelen-NanoBio - Departamento de Química, Universidade Federal de Santa Maria, 97105-900 Santa Maria, Brazil
| | - Daniela Bitencourt Rosa Leal
- Programa de Pós-Graduação em Ciências Biológicas: Bioquímica Toxicológica, Departamento de Bioquímica e Biologia Molecular, Universidade Federal de Santa Maria (UFSM), Campus Universitário - Camobi, 97105-900 Santa Maria, RS, Brasil.,Programa de Pós-Graduação em Ciências Farmacêuticas, Centro de Ciências da Saúde, Universidade Federal de Santa Maria, Santa Maria, RS, Brazil
| | - Oscar E D Rodrigues
- LabSelen-NanoBio - Departamento de Química, Universidade Federal de Santa Maria, 97105-900 Santa Maria, Brazil
| | - Daniel Ardisson-Araújo
- Programa de Pós-Graduação em Ciências Biológicas: Bioquímica Toxicológica, Departamento de Bioquímica e Biologia Molecular, Universidade Federal de Santa Maria (UFSM), Campus Universitário - Camobi, 97105-900 Santa Maria, RS, Brasil
| | - Emily Pansera Waczuk
- Programa de Pós-Graduação em Ciências Biológicas: Bioquímica Toxicológica, Departamento de Bioquímica e Biologia Molecular, Universidade Federal de Santa Maria (UFSM), Campus Universitário - Camobi, 97105-900 Santa Maria, RS, Brasil
| | - João Batista Teixeira da Rocha
- Programa de Pós-Graduação em Ciências Biológicas: Bioquímica Toxicológica, Departamento de Bioquímica e Biologia Molecular, Universidade Federal de Santa Maria (UFSM), Campus Universitário - Camobi, 97105-900 Santa Maria, RS, Brasil
| | - Nilda Vargas Barbosa
- Programa de Pós-Graduação em Ciências Biológicas: Bioquímica Toxicológica, Departamento de Bioquímica e Biologia Molecular, Universidade Federal de Santa Maria (UFSM), Campus Universitário - Camobi, 97105-900 Santa Maria, RS, Brasil
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24
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Wedding JL, Lai B, Vogt S, Harris HH. Investigation into the intracellular fates, speciation and mode of action of selenium-containing neuroprotective agents using XAS and XFM. Biochim Biophys Acta Gen Subj 2018; 1862:2393-2404. [PMID: 29631056 DOI: 10.1016/j.bbagen.2018.03.031] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2018] [Revised: 03/29/2018] [Accepted: 03/29/2018] [Indexed: 12/29/2022]
Abstract
BACKGROUND A variety of selenium compounds have been observed to provide protection against oxidative stress, presumably by mimicking the mechanism of action of the glutathione peroxidases. However, the selenium chemistry that underpins the action of these compounds has not been unequivocally established. METHODS The synchrotron based techniques, X-ray absorption spectroscopy and X-ray fluorescence microscopy were used to examine the cellular speciation and distribution of selenium in SH-SY5Y cells pretreated with one of two diphenyl diselenides, or ebselen, followed by peroxide insult. RESULTS Bis(2-aminophenyl)diselenide was shown to protect against oxidative stress conditions which mimic ischemic strokes, while its nitro analogue, bis(2-nitrophenyl)diselenide did not. This protective activity was tentatively assigned to the reductive cleavage of bis(2-aminophenyl)diselenide inside human neurocarcinoma cells, SH-SY5Y, while bis(2-nitrophenyl)diselenide remained largely unchanged. The distinct chemistries of the related compounds were traced by the changes in selenium speciation in bulk pellets of treated SH-SY5Y cells detected by X-ray absorption spectroscopy. Further, bis(2-aminophenyl)diselenide, like the known stroke mitigation agent ebselen, was observed by X-ray fluorescence imaging to penetrate into the nucleus of SH-SY5Y cells while bis(2-nitrophenyl)diselenide was observed to be excluded from the nuclear region. CONCLUSIONS The differences in activity were thus attributed to the varied speciation and cellular localisation of the compounds, or their metabolites, as detected by X-ray absorption spectroscopy and X-ray fluorescence microscopy. SIGNIFICANCE The work is significant as it links, for the first time, the protective action of selenium compounds against redox stress with particular chemical speciation using a direct measurement approach.
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Affiliation(s)
- Jason L Wedding
- Department of Chemistry, The University of Adelaide, South Australia 5005, Australia
| | - Barry Lai
- Advanced Photon Source, X-ray Science Division, Argonne National Laboratory, Argonne, IL 60439, USA
| | - Stefan Vogt
- Advanced Photon Source, X-ray Science Division, Argonne National Laboratory, Argonne, IL 60439, USA
| | - Hugh H Harris
- Department of Chemistry, The University of Adelaide, South Australia 5005, Australia.
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Álvarez-Pérez M, Ali W, Marć MA, Handzlik J, Domínguez-Álvarez E. Selenides and Diselenides: A Review of Their Anticancer and Chemopreventive Activity. Molecules 2018. [PMID: 29534447 PMCID: PMC6017218 DOI: 10.3390/molecules23030628] [Citation(s) in RCA: 98] [Impact Index Per Article: 16.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023] Open
Abstract
Selenium and selenocompounds have attracted the attention and the efforts of scientists worldwide due to their promising potential applications in cancer prevention and/or treatment. Different organic selenocompounds, with diverse functional groups that contain selenium, have been reported to exhibit anticancer and/or chemopreventive activity. Among them, selenocyanates, selenoureas, selenoesters, selenium-containing heterocycles, selenium nanoparticles, selenides and diselenides have been considered in the search for efficiency in prevention and treatment of cancer and other related diseases. In this review, we focus our attention on the potential applications of selenides and diselenides in cancer prevention and treatment that have been reported so far. The around 80 selenides and diselenides selected herein as representative compounds include promising antioxidant, prooxidant, redox-modulating, chemopreventive, anticancer, cytotoxic and radioprotective compounds, among other activities. The aim of this work is to highlight the possibilities that these novel organic selenocompounds can offer in an effort to contribute to inspire medicinal chemists in their search of new promising derivatives.
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Affiliation(s)
- Mónica Álvarez-Pérez
- Instituto de Química Orgánica General, Consejo Superior de Investigaciones Científicas (IQOG, CSIC), Juan de la Cierva 3, 28006 Madrid, Spain.
| | - Wesam Ali
- Division of Bioorganic Chemistry, School of Pharmacy, Saarland University, Campus B2 1, D-66123 Saarbruecken, Germany.
- Department of Technology and Biotechnology of Drugs, Faculty of Pharmacy, Jagiellonian University Medical College, Medyczna 9, 30-688 Cracow, Poland.
| | - Małgorzata Anna Marć
- Department of Technology and Biotechnology of Drugs, Faculty of Pharmacy, Jagiellonian University Medical College, Medyczna 9, 30-688 Cracow, Poland.
| | - Jadwiga Handzlik
- Department of Technology and Biotechnology of Drugs, Faculty of Pharmacy, Jagiellonian University Medical College, Medyczna 9, 30-688 Cracow, Poland.
| | - Enrique Domínguez-Álvarez
- Instituto de Química Orgánica General, Consejo Superior de Investigaciones Científicas (IQOG, CSIC), Juan de la Cierva 3, 28006 Madrid, Spain.
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26
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Vaz FNC, Fermino BL, Haskel MVL, Wouk J, de Freitas GBL, Fabbri R, Montagna E, Rocha JBT, Bonini JS. The Relationship Between Copper, Iron, and Selenium Levels and Alzheimer Disease. Biol Trace Elem Res 2018; 181:185-191. [PMID: 28500578 DOI: 10.1007/s12011-017-1042-y] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/15/2017] [Accepted: 04/30/2017] [Indexed: 12/29/2022]
Abstract
This study aimed to evaluate the concentrations of copper, iron, and selenium in elderly people with Alzheimer disease (AD), comparing the same parameters in a paired group of healthy people, in order to verify if the amount of these metals may influence the cognitive impairment progression. Patients' cognitive impairment was evaluated by Clinical Dementia Rating (CDR). The elementary quantification of erythrocytes was performed by inductively coupled plasma mass spectrometry technique. The statistical analyses were carried out by SPSS software 20.0 version, employing Shapiro-Wilk, Wilcoxon, Kruskall-Wallis, and Spearman correlation tests, considering significant results of p < 0.05. The sample was composed of 34% (n = 11) of women and 66% (n = 21) of men in each group. The AD group was characterized by a higher concentration of copper (p < 0.0001) and iron (p < 0.0001); however, there is no significant difference in selenium level. The analyses of the metal levels in different stages of AD were not significant in CDR-1, however in CDR-2 and CDR-3, elevated levels of copper and iron were observed; in CDR-3 patients, the level of selenium was lower (p < 0.008) compared to that of healthy controls. Patients with Alzheimer disease studied present increase in biometal blood levels, especially of copper and iron, and such increase can be different according to the disease stage and can cause more impairment cognitive functions in AD.
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Affiliation(s)
- Felipe Nathanael Coelho Vaz
- Campus CEDETEG, Pharmacy Department, Midwest State University, Simeão Camargo Varella de Sá, Vila Carli, Guarapuava, PR, 85040-080, Brazil
| | - Bárbara Luisa Fermino
- Campus CEDETEG, Pharmacy Department, Midwest State University, Simeão Camargo Varella de Sá, Vila Carli, Guarapuava, PR, 85040-080, Brazil
| | - Maria Vaitsa Loch Haskel
- Campus CEDETEG, Pharmacy Department, Midwest State University, Simeão Camargo Varella de Sá, Vila Carli, Guarapuava, PR, 85040-080, Brazil
| | - Jéssica Wouk
- Campus CEDETEG, Pharmacy Department, Midwest State University, Simeão Camargo Varella de Sá, Vila Carli, Guarapuava, PR, 85040-080, Brazil
| | | | - Roberta Fabbri
- Memory Center, Brain Institute of Rio Grande do Sul, Pontifical Catholic University of Rio Grande do Sul, Porto Alegre, RS, 90610-000, Brazil
- Dipartimento di Neuroscienze, Psicologia, Areadel Farmaco e Salute del Bambino, Sezionedi Farmacologia e Tossicologia, Universitádi Firenze, 50139, Florence, Italy
| | - Erik Montagna
- Faculdade de Medicina do ABC, Departamento de Pós-Graduação, Pesquisa e Inovação, Av. Lauro Gomes, 2000, Santo Andre, SP, 09060-870, Brazil.
| | - João Batista Teixeira Rocha
- Toxicological Biochemistry Department, Federal University of Santa Maria, Roraima Avenue, 1000, Cidade Universitária, Camobi, Santa Maria, RS, 97105-900, Brazil
| | - Juliana Sartori Bonini
- Campus CEDETEG, Pharmacy Department, Midwest State University, Simeão Camargo Varella de Sá, Vila Carli, Guarapuava, PR, 85040-080, Brazil
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Sari MHM, Ferreira LM, AngonesiZborowski V, Araujo PCO, Nadal JM, Farago PV, Cruz L, Nogueira CW. p,p’-Methoxyl-diphenyl diselenideincorporation into polymeric nanocapsules improves its antinociceptive action: Physicochemical and behavioral studies. Colloids Surf B Biointerfaces 2017. [DOI: 10.1016/j.colsurfb.2017.06.016] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
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28
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Rabelo LM, Estrela FN, E Silva BC, Mendes BDO, Vaz BG, Rodrigues ASDL, Malafaia G. Protective effect of vitamin C in female Swiss mice dermally-exposed to the tannery effluent. CHEMOSPHERE 2017; 181:492-499. [PMID: 28460296 DOI: 10.1016/j.chemosphere.2017.04.130] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/31/2017] [Revised: 03/28/2017] [Accepted: 04/25/2017] [Indexed: 06/07/2023]
Abstract
Previous studies involving the oral exposure of mice to tannery effluents have found neurotoxic effects. However, studies about the effects the dermal exposure to pollutant have on the cognitive function of females have not been found in the literature. Thus, the aim of the current study is to investigate whether the dermal exposure of female Swiss mice to tannery effluents (2 h/day for 20 days) can cause cognitive impairment, as it was already evidenced in male Swiss mice. Furthermore, based on the administration of vitamin C (before or after the exposure to the xenobiotic), the current study also aims to assess the protective effect of vitamin C in female Swiss mice dermally-exposed to the tannery effluent. Female Swiss mice exposed to the tannery effluent (without vitamin supplementation) have shown lower novel object recognition index during the test session of the novel object recognition task, and they have descended significantly faster from the inhibitory avoidance platform when they were compared to mice belonging to the other groups, therefore evidencing memory deficit. However, the test performance of females receiving vitamin C was similar to that of control animals. Thus, the current study confirms the initial hypothesis that the dermal exposure to the pollutant, even for a short period, causes cognitive deficit in female Swiss mice. The herein presented findings also provide evidence that the mechanisms of action of the tannery effluent in these animals are related to oxidative damages in specific brain regions directed to the formation of short memory to perform aversive and object recognition tasks.
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Affiliation(s)
- Letícia Martins Rabelo
- Laboratório de Pesquisas Biológicas, Instituto Federal Goiano - Campus Urutaí, GO, Brazil
| | - Fernanda Neves Estrela
- Laboratório de Pesquisas Biológicas, Instituto Federal Goiano - Campus Urutaí, GO, Brazil
| | - Bianca Costa E Silva
- Laboratório de Pesquisas Biológicas, Instituto Federal Goiano - Campus Urutaí, GO, Brazil
| | | | - Boniek Gontijo Vaz
- Programa de Pós-Graduação em Química, Universidade Federal de Goiás - Campus Samambaia, Goiânia, GO, Brazil
| | - Aline Sueli de Lima Rodrigues
- Departamento de Ciências Biológicas, Programa de Pós-Graduação em Conservação de Recursos Naturais do Cerrado, Instituto Federal Goiano - Campus Urutaí, GO, Brazil
| | - Guilherme Malafaia
- Laboratório de Pesquisas Biológicas, Instituto Federal Goiano - Campus Urutaí, GO, Brazil; Departamento de Ciências Biológicas, Programa de Pós-Graduação em Conservação de Recursos Naturais do Cerrado, Instituto Federal Goiano - Campus Urutaí, GO, Brazil; Programa de Pós-Graduação em Biodiversidade Animal, Universidade Federal de Goiás - Campus Samambaia, Goiânia, GO, Brazil.
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p,p'-Methoxyl-diphenyl diselenide-loaded polymeric nanocapsules are chemically stable and do not induce toxicity in mice. Eur J Pharm Biopharm 2017; 117:39-48. [PMID: 28363598 DOI: 10.1016/j.ejpb.2017.03.018] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2016] [Revised: 03/25/2017] [Accepted: 03/25/2017] [Indexed: 01/07/2023]
Abstract
Organoselenium compounds have been targeted to new therapeutic tools development due to their pharmacological actions. However, some toxicity issues and physicochemical limitations delay the clinical application of these compounds. The incorporation of organoselenium molecules into nanostructured systems arises as a promising alternative to overcome such restrictions. The current study proposed the characterization of the polymeric nanocapsules of p,p'-methoxyl-diphenyl diselenide [(OMePhSe)2] as well as the evaluation of the in vivo toxicity and biodistribution profile. The nanocapsules, which were composed by medium-chain triglycerides as the oil core and poly(ε-caprolactone) as the polymeric wall, showed nanometric size (236±4), low polydispersity (<0.2), negative zeta potential (-5.4±0.06), neutral pH values (7.2±0.08) and a high encapsulation efficiency (98%). Besides, the nanoencapsulation process increased the (OMePhSe)2 stability. The repeated intragastric administration of (OMePhSe)2 nanoencapsulated (25mg/kg/day during 7days) did not cause any alteration in the oxidative status, hematological parameters, and plasma biochemical markers of cellular damage. Moreover, the (OMePhSe)2 incorporation into nanocapsules increased the selenium concentrations in the tissues (kidneys, liver and plasma) suggesting an improvement in its oral bioavailability.
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de Souza JM, da Silva WAM, de Oliveira Mendes B, Guimarães ATB, de Lima Rodrigues AS, Montalvão MF, da Costa Estrela D, da Silva AR, Malafaia G. Inbred mice strain shows neurobehavioral changes when exposed to tannery effluent. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2017; 24:2035-2046. [PMID: 27807787 DOI: 10.1007/s11356-016-7949-6] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/04/2016] [Accepted: 10/20/2016] [Indexed: 06/06/2023]
Abstract
The bovine leather processing (tanning industries) stands as a generating activity of potentially toxic waste. The emission of untreated effluents into the environment may cause serious harm to human and environmental health. Nevertheless, few studies have investigated the possible effects of intake of these effluents in experimental mammalian models. Thus, this study aimed to evaluate the neurobehavioral effects of chronic intake of different tannery effluent concentrations diluted with water (0.1, 1, and 5%) in male C57BL/6J mice. After 120 days of exposure, the animals were subjected to different behavioral tests, predictive of anxiety (elevated plus maze (EPM), open-field (OF), and neophobia test), depression (forced swim), and memory deficits (object recognition test). From the EPM test, it was observed that the mice exposed to 0.1, 1, and 5% of tannery effluents showed higher anxiety scores compared to the animals in the control group. However, the results of this study revealed no differences among the experimental groups in the proportion (percentage) of locomotion in the central quarters/total locomotion calculated (by OF), considered an indirect measure for anxiety. At neophobia test, all the animals exposed to chronic intake of tannery effluents showed higher latency time to start eating, which corresponds to an anxiogenic behavior. Regarding the forced swim test, it was observed that the animals exposed to tannery effluents had longer time in immobility behavior, suggesting a predictive behavior to depression. Finally, the object recognition test showed that the treatments did not cause damage to the animals' memory. The recognition rate of the new object did not differ among the experimental groups. Thus, it is concluded that male C57BL/6J mice (inbred strain) exposed to tannery effluents have predictive neurobehavioral changes of anxiety and depression, without memory deficit.
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Affiliation(s)
- Joyce Moreira de Souza
- Instituto Federal Goiano-Câmpus Urutaí, Rodovia Geraldo Silva Nascimento, 2.5 km, Zona Rural, Urutaí, GO, Brazil
| | | | - Bruna de Oliveira Mendes
- Instituto Federal Goiano-Câmpus Urutaí, Rodovia Geraldo Silva Nascimento, 2.5 km, Zona Rural, Urutaí, GO, Brazil
| | | | | | - Mateus Flores Montalvão
- Instituto Federal Goiano-Câmpus Urutaí, Rodovia Geraldo Silva Nascimento, 2.5 km, Zona Rural, Urutaí, GO, Brazil
| | - Dieferson da Costa Estrela
- Instituto Federal Goiano-Câmpus Urutaí, Rodovia Geraldo Silva Nascimento, 2.5 km, Zona Rural, Urutaí, GO, Brazil
| | - Anderson Rodrigo da Silva
- Instituto Federal Goiano-Câmpus Urutaí, Rodovia Geraldo Silva Nascimento, 2.5 km, Zona Rural, Urutaí, GO, Brazil
| | - Guilherme Malafaia
- Instituto Federal Goiano-Câmpus Urutaí, Rodovia Geraldo Silva Nascimento, 2.5 km, Zona Rural, Urutaí, GO, Brazil.
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Toxoplasma gondii: Effects of diphenyl diselenide in experimental toxoplasmosis on biomarkers of cardiac function. Exp Parasitol 2016; 167:25-31. [DOI: 10.1016/j.exppara.2016.04.014] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2016] [Revised: 04/18/2016] [Accepted: 04/19/2016] [Indexed: 01/22/2023]
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Diphenyl diselenide supplementation in infected mice by Toxoplasma gondii: Protective effect on behavior, neuromodulation and oxidative stress caused by disease. Exp Parasitol 2016; 169:51-8. [PMID: 27472985 DOI: 10.1016/j.exppara.2016.07.006] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2016] [Revised: 07/14/2016] [Accepted: 07/22/2016] [Indexed: 01/05/2023]
Abstract
The aim of this study was to evaluate the effect of subcutaneous administration of diphenyl diselenide (PhSe)2 on animal behavior and activities of acetylcholinesterase (AChE), adenylate kinase (AK), and creatine kinase (CK) in the brain of mice infected by Toxoplasma gondii. In addition, thiobarbituric acid reactive species (TBARS) levels and glutathione (GR, GPx and GST) activity were also evaluated. For the study, 40 female mice were divided into four groups of 10 animals each: group A (uninfected and untreated), group B (uninfected and treated with (PhSe)2), group C (infected and untreated) and group D (infected and treated with (PhSe)2). The mice were inoculated with 50 cysts of the ME49 strain of T. gondii. After infection the animals of the groups B and D were treated on days 1 and 20 post-infection (PI) with 5.0 μmol/kg of (PhSe)2 subcutaneously. Behavioral tests were conducted on days 29 PI to assess memory loss (object recognition), anxiety (elevated plus maze), locomotor and exploratory activity (Open Field) and it was found out that infected and untreated animals (group C) had developed anxiety and memory impairment, and the (PhSe)2 treatment did not reverse these behavioral changes on infected animals treated with (PhSe)2 (group D). The results showed an increase on AChE activity (P < 0.01) in the brain of infected and untreated animals (group C) compared to the uninfected and untreated animals (group A). The AK and CK activities decreased in infected and untreated animals (group C) compared to the uninfected and untreated animals (group A) (P < 0.01), however the (PhSe)2 treatment did not reverse these alterations. Infected and untreated animals (group C) showed increased TBARS levels and GR activity, and decreased GPx and GST activities when compared to uninfected and untreated animals (group A). Infected animals treated with (PhSe)2 (group D) decreased TBARS levels and GR activity, while increased GST activity when compared to infected and untreated animals (group C). It was concluded that (PhSe)2 showed antioxidant activity, but the dose used had no anti-inflammatory effect and failed to reverse the behavioral changes caused by the parasite.
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Rabelo LM, Costa e Silva B, de Almeida SF, da Silva WAM, de Oliveira Mendes B, Guimarães ATB, da Silva AR, da Silva Castro AL, de Lima Rodrigues AS, Malafaia G. Memory deficit in Swiss mice exposed to tannery effluent. Neurotoxicol Teratol 2016; 55:45-9. [DOI: 10.1016/j.ntt.2016.03.007] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2016] [Revised: 03/27/2016] [Accepted: 03/31/2016] [Indexed: 01/21/2023]
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Bortolatto CF, Heck SO, Zborowski VA, Gai BM, Neto JS, Nogueira CW. Evidence for the contribution of multiple mechanisms in the feeding pattern of rats exposed to p-chloro-diphenyl diselenide-supplemented diets. Physiol Behav 2015; 151:298-307. [DOI: 10.1016/j.physbeh.2015.07.029] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2015] [Revised: 07/02/2015] [Accepted: 07/23/2015] [Indexed: 11/15/2022]
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35
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Stefanello ST, Dobrachinski F, de Carvalho NR, Amaral GP, Barcelos RP, Oliveira VA, Oliveira CS, Giordani CFA, Pereira ME, Rodrigues OED, Soares FAA. Free radical scavenging in vitro and biological activity of diphenyl diselenide-loaded nanocapsules: DPDS-NCS antioxidant and toxicological effects. Int J Nanomedicine 2015; 10:5663-70. [PMID: 26379436 PMCID: PMC4567224 DOI: 10.2147/ijn.s87190] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
Selenium compounds, such as diphenyl diselenide (DPDS), have been shown to exhibit biological activity, including antioxidant effects. However, the use of DPDS in pharmacology is limited due to in vivo pro-oxidative effects. In addition, studies have shown that DPDS-loaded nanocapsules (DPDS-NCS) have greater bioavailability than free DPDS in mice. Accordingly, the aim of this study was to investigate the antioxidant properties of DPDS-NCS in vitro and biological activity in mice. Our in vitro results suggested that DPDS-NCS significantly reduced the production of reactive oxygen species and Fe(II)-induced lipid peroxidation (LPO) in brain. The administration of DPDS-NCS did not result in death or change the levels of endogenous reduced or oxidized glutathione after 72 hours of exposure. Moreover, ex vivo assays demonstrated that DPDS-NCS significantly decreased the LPO and reactive oxygen species levels in the brain. In addition, the highest dose of DPDS-NCS significantly reduced Fe(II)- and sodium nitroprusside-induced LPO in the brain and Fe(II)-induced LPO in the liver. Also, δ-aminolevulinate acid dehydratase within the brain was inhibited only in the highest dose of DPDS-NCS. In conclusion, our data demonstrated that DPDS-NCS exhibited low toxicity in mice and have significant antioxidant characteristics, indicating that nanoencapsulation is a safer method of DPDS administration.
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Affiliation(s)
- Sílvio Terra Stefanello
- Departamento de Bioquímica e Biologia Molecular, Universidade Federal de Santa Maria, Santa Maria, Brazil
| | - Fernando Dobrachinski
- Departamento de Bioquímica e Biologia Molecular, Universidade Federal de Santa Maria, Santa Maria, Brazil
| | | | - Guilherme Pires Amaral
- Departamento de Bioquímica e Biologia Molecular, Universidade Federal de Santa Maria, Santa Maria, Brazil
| | - Rômulo Pillon Barcelos
- Departamento de Bioquímica e Biologia Molecular, Universidade Federal de Santa Maria, Santa Maria, Brazil
| | - Vitor Antunes Oliveira
- Departamento de Bioquímica e Biologia Molecular, Universidade Federal de Santa Maria, Santa Maria, Brazil
| | - Cláudia Sirlene Oliveira
- Departamento de Bioquímica e Biologia Molecular, Universidade Federal de Santa Maria, Santa Maria, Brazil
| | | | - Maria Ester Pereira
- Departamento de Bioquímica e Biologia Molecular, Universidade Federal de Santa Maria, Santa Maria, Brazil
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Rusetskaya NY, Borodulin VB. Biological activity of organoselenium compounds in heavy metal intoxication. BIOCHEMISTRY MOSCOW-SUPPLEMENT SERIES B-BIOMEDICAL CHEMISTRY 2015. [DOI: 10.1134/s1990750815010072] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Rusetskaya N, Borodulin V. Biological activity of selenorganic compounds at heavy metal salts intoxication. ACTA ACUST UNITED AC 2015; 61:449-61. [DOI: 10.18097/pbmc20156104449] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
Possible mechanisms of the antitoxic action of organoselenium compounds in heavy metal poisoning have been considered. Heavy metal toxicity associated with intensification of free radical oxidation, suppression of the antioxidant system, damage to macromolecules, mitochondria and the genetic material can cause apoptotic cell death or the development of carcinogenesis. Organic selenium compounds are effective antioxidants during heavy metal poisoning; they exhibit higher bioavailability in mammals than inorganic ones and they are able to activate antioxidant defense, bind heavy metal ions and reactive oxygen species formed during metal-induced oxidative stress. One of promising organoselenium compounds is diacetophenonyl selenide (DAPS-25), which is characterized by antioxidant and antitoxic activity, under conditions including heavy metal intoxication
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Affiliation(s)
- N.Y. Rusetskaya
- Razumovskiy Saratov State Medical University, Saratov, Russia
| | - V.B. Borodulin
- Razumovskiy Saratov State Medical University, Saratov, Russia
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Stefanello ST, Flores da Rosa EJ, Dobrachinski F, Amaral GP, Rodrigues de Carvalho N, Almeida da Luz SC, Bender CR, Schwab RS, Dornelles L, Soares FAA. Effect of diselenide administration in thioacetamide-induced acute neurological and hepatic failure in mice. Toxicol Res (Camb) 2015. [DOI: 10.1039/c4tx00166d] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Hepatic encephalopathy is a common complication of severe acute hepatic failure and has been associated with high short-term mortality rates.
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Diphenyl diselenide and sodium selenite associated with chemotherapy in experimental toxoplasmosis: influence on oxidant/antioxidant biomarkers and cytokine modulation. Parasitology 2014; 141:1761-8. [PMID: 25111395 DOI: 10.1017/s0031182014001073] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
SUMMARY The aim of this study was to assess the effect of sulfamethoxazole/trimethoprim (ST) supplemented with diphenyl diselenide and sodium selenite in experimental toxoplasmosis, on oxidant/antioxidant biomarkers and cytokine levels. Eighty-four BALB/c mice were divided in seven groups: group A (negative control), and groups B to G (infected). Blood and liver samples were collected on days 4 and 20 post infection (p.i.). Levels of thiobarbituric acid (TBA) reactive substances and advanced oxidation protein products (AOPP) were assessed in liver samples. Both biomarkers were significantly increased in infected groups on day 4 p.i., while they were reduced on day 20 p.i., compared with group A. Glutathione reductase (GR) activity significantly (P<0·01) increased on day 4 p.i., in group G, compared with group A. INF-γ was significantly increased (P<0·001) in both periods, day 4 (groups B, C, F and G) and 20 p.i. (groups C, F and G). IL-10 significantly reduced (P<0·001) on day 4 p.i. in group B; however, in the same period, it was increased (P<0·001) in groups C and G, compared with group A. On day 20 p.i., IL-10 increased (P<0·001) in groups F and G. Therefore, our results highlighted that these forms of selenium, associated with the chemotherapy, were able to reduce lipid peroxidation and protein oxidation, providing a beneficial immunological balance between the production of pro- and anti-inflammatory cytokines.
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Silvestre F, Danielski LG, Michels M, Florentino D, Vieira A, Souza L, Cardoso LC, Schraiber R, Rezin GT, Vuolo F, da Rocha JB, Barichello T, Quevedo J, Dal-Pizzol F, Petronilho F. Effects of organoselenium compounds on early and late brain biochemical alterations in sepsis-survivor rats. Neurotox Res 2014; 26:382-91. [PMID: 24824533 DOI: 10.1007/s12640-014-9475-y] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2013] [Revised: 04/22/2014] [Accepted: 04/23/2014] [Indexed: 01/06/2023]
Abstract
Studies have consistently reported the participation of oxidative stress, energetic metabolism impairment, and creatine kinase (CK) activity alterations in rat brain in early times in an animal model of sepsis and persist for up to 10 days. We have assessed the antioxidant effects of administration of Ebselen (Eb) e diphenyl diselenide (PhSe)2 two organoselenium compounds on brain oxidative stress, energetic metabolism, and CK activity 12, 24 h, and 10 days after sepsis by cecal ligation and perforation (CLP) in rats. Male Wistar rats underwent either sham operation or CLP and were treated with oral injection of Eb (50 mg/kg) or (PhSe)2 (50 mg/kg) or vehicle. 12, 24 h, and 10 days after CLP, the rats were sacrificed, and samples from brain (hippocampus, striatum, cerebellum, prefrontal cortex, and cortex) were obtained and assayed for thiobarbituric acid reactive species and protein carbonyls formation, mitochondrial respiratory chain, and CK activity. We observed in the results a reduction of oxidative damage to lipids and proteins in the different cerebral structures studied and times with the administration of (PhSe)2; however, Eb seems to exert the same effect. Such changes are reflected in the assessment of mitochondrial respiratory chain complexes by reversing the decreased activity of the complex caused by the model of CLP and CK activity. Our data provide the first experimental demonstration that (PhSe)2 was able to reduce the brain dysfunction associated with CLP-induced sepsis in rats, by decreasing oxidative stress parameters mitochondrial dysfunction and CK activity in early times and in late time.
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Affiliation(s)
- Fernanda Silvestre
- Graduate Program in Health Sciences, Clinical and Experimental Pathophysiology Laboratory - FICEXP, Universidade do Sul de Santa Catarina (UNISUL), Tubarão, SC, 88704-900, Brazil
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41
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Exposition to tannery wastewater did not alter behavioral and biochemical parameters in Wistar rats. Physiol Behav 2014; 129:160-6. [DOI: 10.1016/j.physbeh.2014.02.022] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2013] [Revised: 02/04/2014] [Accepted: 02/05/2014] [Indexed: 11/27/2022]
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Meinerz DF, Allebrandt J, Mariano DOC, Waczuk EP, Soares FA, Hassan W, Rocha JBT. Differential genotoxicity of diphenyl diselenide (PhSe)2 and diphenyl ditelluride (PhTe)2. PeerJ 2014; 2:e290. [PMID: 24711962 PMCID: PMC3970806 DOI: 10.7717/peerj.290] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2013] [Accepted: 02/04/2014] [Indexed: 11/20/2022] Open
Abstract
Organoselenium compounds have been pointed out as therapeutic agents. In contrast, the potential therapeutic aspects of tellurides have not yet been demonstrated. The present study evaluated the comparative toxicological effects of diphenyl diselenide (PhSe)2 and diphenyl ditelluride (PhTe)2 in mice after in vivo administration. Genotoxicity (as determined by comet assay) and mutagenicicity were used as end-points of toxicity. Subcutaneous administration of high doses of (PhSe)2 or (PhTe)2 (500 µmol/kg) caused distinct genotoxicity in mice. (PhSe)2 significantly decreased the DNA damage index after 48 and 96 h of its injection (p < 0.05). In contrast, (PhTe) caused a significant increase in DNA damage (p < 0.05) after 48 and 96 h of intoxication. (PhSe)2 did not cause mutagenicity but (PhTe)2 increased the micronuclei frequency, indicating its mutagenic potential. The present study demonstrated that acute in vivo exposure to ditelluride caused genotoxicity in mice, which may be associated with pro-oxidant effects of diphenyl ditelluride. In addition, the use of this compound and possibly other related tellurides must be carefully controlled.
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Affiliation(s)
- Daiane Francine Meinerz
- Departamento de Bioquímica e Biologia Molecular, Centro de Ciências Naturais e Exatas, Universidade Federal de Santa Maria , Santa Maria, RS, Brasil
| | - Josiane Allebrandt
- Departamento de Bioquímica e Biologia Molecular, Centro de Ciências Naturais e Exatas, Universidade Federal de Santa Maria , Santa Maria, RS, Brasil
| | - Douglas O C Mariano
- Departamento de Bioquímica e Biologia Molecular, Centro de Ciências Naturais e Exatas, Universidade Federal de Santa Maria , Santa Maria, RS, Brasil
| | - Emily P Waczuk
- Departamento de Bioquímica e Biologia Molecular, Centro de Ciências Naturais e Exatas, Universidade Federal de Santa Maria , Santa Maria, RS, Brasil
| | - Felix Antunes Soares
- Departamento de Bioquímica e Biologia Molecular, Centro de Ciências Naturais e Exatas, Universidade Federal de Santa Maria , Santa Maria, RS, Brasil
| | - Waseem Hassan
- Departamento de Bioquímica e Biologia Molecular, Centro de Ciências Naturais e Exatas, Universidade Federal de Santa Maria , Santa Maria, RS, Brasil
| | - João Batista T Rocha
- Departamento de Bioquímica e Biologia Molecular, Centro de Ciências Naturais e Exatas, Universidade Federal de Santa Maria , Santa Maria, RS, Brasil
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43
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Diphenyl diselenide administration enhances cortical mitochondrial number and activity by increasing hemeoxygenase type 1 content in a methylmercury-induced neurotoxicity mouse model. Mol Cell Biochem 2014; 390:1-8. [DOI: 10.1007/s11010-013-1870-9] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2013] [Accepted: 10/18/2013] [Indexed: 12/12/2022]
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de Oliveira IM, Degrandi TH, Jorge PM, Saffi J, Rosa RM, Guecheva TN, Henriques JAP. Dicholesteroyl diselenide: Cytotoxicity, genotoxicity and mutagenicity in the yeast Saccharomyces cerevisiae and in Chinese hamster lung fibroblasts. MUTATION RESEARCH-GENETIC TOXICOLOGY AND ENVIRONMENTAL MUTAGENESIS 2014; 763:1-11. [DOI: 10.1016/j.mrgentox.2013.12.007] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/27/2013] [Revised: 10/25/2013] [Accepted: 12/28/2013] [Indexed: 12/30/2022]
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Vinceti M, Mandrioli J, Borella P, Michalke B, Tsatsakis A, Finkelstein Y. Selenium neurotoxicity in humans: bridging laboratory and epidemiologic studies. Toxicol Lett 2013; 230:295-303. [PMID: 24269718 DOI: 10.1016/j.toxlet.2013.11.016] [Citation(s) in RCA: 144] [Impact Index Per Article: 13.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2013] [Revised: 11/06/2013] [Accepted: 11/14/2013] [Indexed: 12/14/2022]
Abstract
Selenium is a metalloid of considerable interest in the human from both a toxicological and a nutritional perspective, with a very narrow safe range of intake. Acute selenium intoxication is followed by adverse effects on the nervous system with special clinical relevance, while the neurotoxicity of long-term overexposure is less characterized and recognized. We aimed to address this issue from a public health perspective, focusing on both laboratory studies and the few epidemiologic human studies available, with emphasis on their methodological strengths and limitations. The frequently overlooked differences in toxicity and biological activity of selenium compounds are also outlined. In addition to lethargy, dizziness, motor weakness and paresthesias, an excess risk of amyotrophic lateral sclerosis is the effect on the nervous system which has been more consistently associated with chronic low-level selenium overexposure, particularly to its inorganic compounds. Additional research efforts are needed to better elucidate the neurotoxic effects exerted by selenium overexposure.
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Affiliation(s)
- Marco Vinceti
- Environmental, Genetic and Nutritional Epidemiology Research Center (CREAGEN), Department of Diagnostic, Clinical and Public Health Medicine, University of Modena and Reggio Emilia, Modena, Italy; Trace Element Institute for Unesco Satellite Center, Department of Diagnostic, Clinical and Public Health Medicine, University of Modena and Reggio Emilia, Modena, Italy.
| | - Jessica Mandrioli
- Department of Neuroscience, University of Modena and Reggio Emilia and Local Health Unit of Modena, Modena, Italy
| | - Paola Borella
- Environmental, Genetic and Nutritional Epidemiology Research Center (CREAGEN), Department of Diagnostic, Clinical and Public Health Medicine, University of Modena and Reggio Emilia, Modena, Italy; Trace Element Institute for Unesco Satellite Center, Department of Diagnostic, Clinical and Public Health Medicine, University of Modena and Reggio Emilia, Modena, Italy
| | - Bernhard Michalke
- Research Unit Analytical BioGeoChemistry, Helmholtz Zentrum München - German Research Center for Environmental Health GmbH, Munich, Germany
| | - Aristidis Tsatsakis
- Department of Forensic Sciences and Toxicology, University of Crete, Heraklion, Greece
| | - Yoram Finkelstein
- Neurology and Toxicology Service and Unit, Shaare Zedek Medical Center, Jerusalem, Israel
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Schiar VPP, dos Santos DB, Duarte MMMF, Vargas F, Ribeiro MCP, Nogueira CW, Zeni G, Hassan W, da Rocha JBT. An in vivo insight to the toxicological profile of various organotellurides. ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY 2013; 36:813-818. [PMID: 23958975 DOI: 10.1016/j.etap.2013.07.001] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/22/2012] [Accepted: 07/01/2013] [Indexed: 06/02/2023]
Abstract
In this study we have examined the in vivo toxic effects of various organochalcogens on hepatic, renal, glycemic and lipid profile. Diorganotellurium dichloride phosphonate (C1) at all tested doses did not modify serum alanine aminotransferase (ALT) activity in mice. While, 2-butyltellurium furan (C2) and dinaphthalene ditelluride (C3) at a dose of 0.75 and 0.125 mmol/kg caused an increase in aspartate aminotransferase (AST) and ALT activities. Our data showed that C1 caused an increase in urea content at different doses while treatment with C2 and C3 did not modify urea content. Treatment with C2 caused a significant alteration in serum glucose and fructosamine levels which explains the possible toxicity of these compounds. No significant changes were observed for cholesterol and triglycerides levels. These results suggest that organochalcogen compounds presented liver and renal toxicity and also altered glycemic profile which may leads to various clinical complications.
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Affiliation(s)
- Viviane Patrícia P Schiar
- Departamento de Química, Centro de Ciências Naturais e Exatas, Universidade Federal de Santa Maria, 97105-900 Santa Maria, RS, Brazil
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Glaser V, Moritz B, Schmitz A, Dafré AL, Nazari EM, Rauh Müller YM, Feksa L, Straliottoa MR, de Bem AF, Farina M, da Rocha JBT, Latini A. Protective effects of diphenyl diselenide in a mouse model of brain toxicity. Chem Biol Interact 2013; 206:18-26. [DOI: 10.1016/j.cbi.2013.08.002] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2012] [Revised: 07/24/2013] [Accepted: 08/03/2013] [Indexed: 11/30/2022]
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Trojsi F, Monsurrò MR, Tedeschi G. Exposure to environmental toxicants and pathogenesis of amyotrophic lateral sclerosis: state of the art and research perspectives. Int J Mol Sci 2013; 14:15286-311. [PMID: 23887652 PMCID: PMC3759860 DOI: 10.3390/ijms140815286] [Citation(s) in RCA: 50] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2013] [Revised: 07/05/2013] [Accepted: 07/08/2013] [Indexed: 12/12/2022] Open
Abstract
There is a broad scientific consensus that amyotrophic lateral sclerosis (ALS), a fatal neuromuscular disease, is caused by gene--environment interactions. In fact, given that only about 10% of all ALS diagnosis has a genetic basis, gene-environmental interaction may give account for the remaining percentage of cases. However, relatively little attention has been paid to environmental and lifestyle factors that may trigger the cascade of motor neuron degeneration leading to ALS, although exposure to chemicals--including lead and pesticides-agricultural environments, smoking, intense physical activity, trauma and electromagnetic fields have been associated with an increased risk of ALS. This review provides an overview of our current knowledge of potential toxic etiologies of ALS with emphasis on the role of cyanobacteria, heavy metals and pesticides as potential risk factors for developing ALS. We will summarize the most recent evidence from epidemiological studies and experimental findings from animal and cellular models, revealing that potential causal links between environmental toxicants and ALS pathogenesis have not been fully ascertained, thus justifying the need for further research.
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Affiliation(s)
- Francesca Trojsi
- Department of Medical, Surgical, Neurological, Metabolic and Aging Sciences, Second University of Naples, Piazza Miraglia 2, Naples 80138, Italy; E-Mails: (M.R.M.); (G.T.)
- Neurological Institute for Diagnosis and Care “Hermitage Capodimonte”, Via Cupa delle Tozzole 2, Naples 80131, Italy
| | - Maria Rosaria Monsurrò
- Department of Medical, Surgical, Neurological, Metabolic and Aging Sciences, Second University of Naples, Piazza Miraglia 2, Naples 80138, Italy; E-Mails: (M.R.M.); (G.T.)
- Neurological Institute for Diagnosis and Care “Hermitage Capodimonte”, Via Cupa delle Tozzole 2, Naples 80131, Italy
| | - Gioacchino Tedeschi
- Department of Medical, Surgical, Neurological, Metabolic and Aging Sciences, Second University of Naples, Piazza Miraglia 2, Naples 80138, Italy; E-Mails: (M.R.M.); (G.T.)
- Neurological Institute for Diagnosis and Care “Hermitage Capodimonte”, Via Cupa delle Tozzole 2, Naples 80131, Italy
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Vinceti M, Solovyev N, Mandrioli J, Crespi CM, Bonvicini F, Arcolin E, Georgoulopoulou E, Michalke B. Cerebrospinal fluid of newly diagnosed amyotrophic lateral sclerosis patients exhibits abnormal levels of selenium species including elevated selenite. Neurotoxicology 2013; 38:25-32. [PMID: 23732511 DOI: 10.1016/j.neuro.2013.05.016] [Citation(s) in RCA: 91] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2013] [Revised: 05/17/2013] [Accepted: 05/23/2013] [Indexed: 12/11/2022]
Abstract
Exposure to selenium, and particularly to its inorganic forms, has been hypothesized as a risk factor for amyotrophic lateral sclerosis (ALS), a fast progressing motor neuron disease with poorly understood etiology. However, no information is known about levels of inorganic and some organic selenium species in the central nervous system of ALS patients, and recent observations suggest that peripheral biomarkers of exposure are unable to predict these levels for several Se species including the inorganic forms. Using a hospital-referred case-control series and advanced selenium speciation methods, we compared the chemical species of selenium in cerebrospinal fluid from 38 ALS patients to those of 38 reference neurological patients matched on age and gender. We found that higher concentrations of inorganic selenium in the form of selenite and of human serum albumin-bound selenium were associated with increased ALS risk (relative risks 3.9 (95% confidence interval 1.2-11.0) and 1.7 (1.0-2.9) for 0.1μg/L increase). Conversely, lower concentrations of selenoprotein P-bound selenium were associated with increased risk (relative risk 0.2 for 1μg/L increase, 95% confidence interval 0.04-0.8). The associations were stronger among cases age 50 years or older, who are postulated to have lower rates of genetic disease origin. These results suggest that excess selenite and human serum albumin bound-selenium and low levels of selenoprotein P-bound selenium in the central nervous system, which may be related, may play a role in ALS etiology.
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Affiliation(s)
- Marco Vinceti
- CREAGEN - Environmental, Genetic and Nutritional Epidemiology Research Center, Department of Diagnostic, Clinical and Public Health Medicine, University of Modena and Reggio Emilia, Modena, Italy.
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50
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Protective effect of diphenyl diselenide against peroxynitrite-mediated endothelial cell death: A comparison with ebselen. Nitric Oxide 2013; 31:20-30. [DOI: 10.1016/j.niox.2013.03.003] [Citation(s) in RCA: 52] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2013] [Accepted: 03/11/2013] [Indexed: 02/07/2023]
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