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Yang S, Li W, Bai X, Di Nunzio G, Fan L, Zhao Y, Ren L, Zhao R, Bian S, Liu M, Wei Y, Zhao D, Wang J. Ginseng-derived nanoparticles alleviate inflammatory bowel disease via the TLR4/MAPK and p62/Nrf2/Keap1 pathways. J Nanobiotechnology 2024; 22:48. [PMID: 38302938 PMCID: PMC10832157 DOI: 10.1186/s12951-024-02313-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2023] [Accepted: 01/26/2024] [Indexed: 02/03/2024] Open
Abstract
Inflammatory bowel disease (IBD) is closely linked to the homeostasis of the intestinal environment, and exosomes can be used to treat IBD due to their high biocompatibility and ability to be effectively absorbed by the intestinal tract. However, Ginseng-derived nanoparticles (GDNPs) have not been studied in this context and their mechanism of action remains unclear. Here, we investigated GDNPs ability to mediate intercellular communication in a complex inflammatory microenvironment in order to treat IBD. We found that GDNPs scavenge reactive oxygen species from immune cells and intestinal epithelial cells, inhibit the expression of pro-inflammatory factors, promote the proliferation and differentiation of intestinal stem cells, as well as enhancing the diversity of the intestinal flora. GDNPs significantly stabilise the intestinal barrier thereby promoting tissue repair. Overall, we proved that GDNPs can ameliorate inflammation and oxidative stress in vivo and in vitro, acting on the TLR4/MAPK and p62/Keap1/Nrf2 pathways, and exerting an anti-inflammatory and antioxidant effect. GDNPs mitigated IBD in mice by reducing inflammatory factors and improving the intestinal environment. This study offers new evidence of the potential therapeutic effects of GDNPs in the context of IBD, providing the conceptual ground for an alternative therapeutic strategy.
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Affiliation(s)
- Song Yang
- Changchun University of Chinese Medicine, 1035 Boshuo Road, Changchun, 130117, Jilin, China
| | - Wenjing Li
- Changchun University of Chinese Medicine, 1035 Boshuo Road, Changchun, 130117, Jilin, China
| | - Xueyuan Bai
- Changchun University of Chinese Medicine, 1035 Boshuo Road, Changchun, 130117, Jilin, China
| | - Giada Di Nunzio
- Division of Cardiovascular Medicine, Department of Medicine, Solna, Karolinska Institutet, 17176, Stockholm, Sweden
| | - Liangliang Fan
- Changchun University of Chinese Medicine, 1035 Boshuo Road, Changchun, 130117, Jilin, China
| | - Yueming Zhao
- Changchun University of Chinese Medicine, 1035 Boshuo Road, Changchun, 130117, Jilin, China
| | - Limei Ren
- Changchun University of Chinese Medicine, 1035 Boshuo Road, Changchun, 130117, Jilin, China
| | - Ronghua Zhao
- Changchun University of Chinese Medicine, 1035 Boshuo Road, Changchun, 130117, Jilin, China
| | - Shuai Bian
- Changchun University of Chinese Medicine, 1035 Boshuo Road, Changchun, 130117, Jilin, China
| | - Meichen Liu
- Changchun University of Chinese Medicine, 1035 Boshuo Road, Changchun, 130117, Jilin, China
| | - Yuchi Wei
- Changchun University of Chinese Medicine, 1035 Boshuo Road, Changchun, 130117, Jilin, China
| | - Daqing Zhao
- Changchun University of Chinese Medicine, 1035 Boshuo Road, Changchun, 130117, Jilin, China
| | - Jiawen Wang
- Changchun University of Chinese Medicine, 1035 Boshuo Road, Changchun, 130117, Jilin, China.
- Division of Cardiovascular Medicine, Department of Medicine, Solna, Karolinska Institutet, 17176, Stockholm, Sweden.
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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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3
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Streptozotocin activates inflammation-associated signalling and antioxidant response in the lobster cockroach; Nauphoeta cinerea (Blattodea: Blaberidae). Chem Biol Interact 2021; 345:109563. [PMID: 34166651 DOI: 10.1016/j.cbi.2021.109563] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2020] [Revised: 05/17/2021] [Accepted: 06/17/2021] [Indexed: 11/22/2022]
Abstract
Streptozotocin exhibits tropism to insulin-producing beta-cells in mammals and has been used to model diabetes-like phenotypes in insects. We have previously shown increased brain glucose levels and oxidative stress in STZ-treated nymphs of Nauphoeta cinerea. Here, we validate Nauphoeta cinerea as an experimental organism for studying STZ-induced metabolic disruptions by investigating the potential changes in the expression of inflammation and antioxidant related genes. Cockroaches were injected with 0.8% NaCl, 74 and 740 nmol of STZ. mRNA extracted from the head of cockroaches was used to estimate the RT-qPCR expression of inflammation and antioxidant genes. STZ-treatment upregulated the target genes of the JNK pathway (early growth factor response factor and reaper) but had no effect on PDGF-and VEGF-related factor 1. TOLL 1, the target gene of TOLL/NF-kB pathway was up regulated, while both the activator and target gene of the UPD3/JAK/STAT pathway [unpaired 3 and Suppressor of cytokine signalling at 36E] were upregulated. mRNA levels of primary antioxidants (superoxide dismutase and catalase) were increased in STZ treated nymphs but there was no effect on thioredoxins and Peroxiredoxin 4. Likewise, STZ treatment did not affect the expression of the delta class of the glutathione S-transferase gene family, but the sigma and theta classes of the GST family were upregulated. The STZ-induced N. cinerea gene expression modification demonstrates the involvement of primary antioxidants and the GST detoxification system in the cockroach oxidative stress response and buttresses the proposed crosstalk between inflammatory and redox pathways.
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Nogueira CW, Barbosa NV, Rocha JBT. Toxicology and pharmacology of synthetic organoselenium compounds: an update. Arch Toxicol 2021; 95:1179-1226. [PMID: 33792762 PMCID: PMC8012418 DOI: 10.1007/s00204-021-03003-5] [Citation(s) in RCA: 109] [Impact Index Per Article: 36.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2021] [Accepted: 02/10/2021] [Indexed: 12/17/2022]
Abstract
Here, we addressed the pharmacology and toxicology of synthetic organoselenium compounds and some naturally occurring organoselenium amino acids. The use of selenium as a tool in organic synthesis and as a pharmacological agent goes back to the middle of the nineteenth and the beginning of the twentieth centuries. The rediscovery of ebselen and its investigation in clinical trials have motivated the search for new organoselenium molecules with pharmacological properties. Although ebselen and diselenides have some overlapping pharmacological properties, their molecular targets are not identical. However, they have similar anti-inflammatory and antioxidant activities, possibly, via activation of transcription factors, regulating the expression of antioxidant genes. In short, our knowledge about the pharmacological properties of simple organoselenium compounds is still elusive. However, contrary to our early expectations that they could imitate selenoproteins, organoselenium compounds seem to have non-specific modulatory activation of antioxidant pathways and specific inhibitory effects in some thiol-containing proteins. The thiol-oxidizing properties of organoselenium compounds are considered the molecular basis of their chronic toxicity; however, the acute use of organoselenium compounds as inhibitors of specific thiol-containing enzymes can be of therapeutic significance. In summary, the outcomes of the clinical trials of ebselen as a mimetic of lithium or as an inhibitor of SARS-CoV-2 proteases will be important to the field of organoselenium synthesis. The development of computational techniques that could predict rational modifications in the structure of organoselenium compounds to increase their specificity is required to construct a library of thiol-modifying agents with selectivity toward specific target proteins.
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Affiliation(s)
- Cristina W Nogueira
- Laboratório de Síntese, Reatividade e Avaliação Farmacológica E Toxicológica de Organocalcogênios, Centro de Ciências Naturais E Exatas, Universidade Federal de Santa Maria, Santa Maria, RS, CEP 97105-900, Brazil.
| | - Nilda V Barbosa
- Laboratório de Síntese, Reatividade e Avaliação Farmacológica E Toxicológica de Organocalcogênios, Centro de Ciências Naturais E Exatas, Universidade Federal de Santa Maria, Santa Maria, RS, CEP 97105-900, Brazil
| | - João B T Rocha
- Laboratório de Síntese, Reatividade e Avaliação Farmacológica E Toxicológica de Organocalcogênios, Centro de Ciências Naturais E Exatas, Universidade Federal de Santa Maria, Santa Maria, RS, CEP 97105-900, Brazil.
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5
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Wang X, Li C, Huan Y, Cao H, Sun S, Lei L, Liu Q, Liu S, Ji W, Huang K, Shen Z, Zhou J. Diphenyl diselenide ameliorates diabetic nephropathy in streptozotocin-induced diabetic rats via suppressing oxidative stress and inflammation. Chem Biol Interact 2021; 338:109427. [PMID: 33639173 DOI: 10.1016/j.cbi.2021.109427] [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: 11/14/2020] [Revised: 02/14/2021] [Accepted: 02/19/2021] [Indexed: 12/31/2022]
Abstract
Oxidative stress and inflammation are implicated in the occurrence and progression of diabetic nephropathy (DN). Diphenyl diselenide (DPDS) is a stable and simple diaryl diselenide with anti-hyperglycemic, anti-inflammatory, and antioxidant activities. However, the effects of DPDS on DN are still unclear to date. Herein, we aimed to explore whether DPDS could improve renal dysfunction in streptozotocin (STZ)-induced diabetic rats and its underlying mechanisms. STZ-induced DN rats were administered with DPDS (5 or 15 mg/kg) or metformin (200 mg/kg) once daily by intragastric gavage for 12 weeks. DPDS supplementation significantly improved hyperglycemia, glucose intolerance, dyslipidemia, and the renal pathological abnormalities, concurrent with significantly reduced serum levels of creatinine, urea nitrogen, urine volume, and urinary levels of micro-albumin, β2-microglobulin and N-acetyl-glucosaminidase activities. Moreover, DPDS effectively promoted the activities of antioxidant enzymes, and reduced the levels of MDA and pro-inflammatory factors in serum and the kidney. Furthermore, DPDS supplementation activated the renal Nrf2/Keap1 signaling pathway, but attenuated the high phosphorylation levels of NFκB, JNK, p38 and ERK1/2. Altogether, the current study indicated for the first time that DPDS ameliorated STZ-induced renal dysfunction in rats, and its mechanism of action may be attributable to suppressing oxidative stress via activating the renal Nrf2/Keap1 signaling pathway and mitigating inflammation by suppressing the renal NFκB/MAPK signaling pathways, suggesting a potential therapeutic approach for DN.
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MESH Headings
- Animals
- Antioxidants/metabolism
- Benzene Derivatives/pharmacology
- Benzene Derivatives/therapeutic use
- Cytokines/metabolism
- Diabetes Mellitus, Experimental/complications
- Diabetes Mellitus, Experimental/drug therapy
- Diabetes Mellitus, Experimental/pathology
- Diabetes Mellitus, Experimental/physiopathology
- Diabetes Mellitus, Type 1/complications
- Diabetes Mellitus, Type 1/drug therapy
- Diabetes Mellitus, Type 1/genetics
- Diabetes Mellitus, Type 1/physiopathology
- Diabetic Nephropathies/complications
- Diabetic Nephropathies/drug therapy
- Diabetic Nephropathies/pathology
- Diabetic Nephropathies/physiopathology
- Dyslipidemias/complications
- Dyslipidemias/drug therapy
- Dyslipidemias/genetics
- Gene Expression Regulation/drug effects
- Glucose/metabolism
- Inflammation/complications
- Inflammation/drug therapy
- Inflammation/genetics
- Kelch-Like ECH-Associated Protein 1/metabolism
- Kidney/pathology
- Kidney/physiopathology
- Lipid Metabolism/drug effects
- MAP Kinase Signaling System/drug effects
- Male
- Models, Biological
- NF-E2-Related Factor 2/metabolism
- NF-kappa B/metabolism
- Organoselenium Compounds/pharmacology
- Organoselenium Compounds/therapeutic use
- Oxidative Stress/drug effects
- Rats, Sprague-Dawley
- Streptozocin
- Rats
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Affiliation(s)
- Xing Wang
- Hubei Key Laboratory of Bioinorganic Chemistry & Materia Medica, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan 430074, China
| | - Caina Li
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Key Laboratory of Polymorphic Drugs of Beijing, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Yi Huan
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Key Laboratory of Polymorphic Drugs of Beijing, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Hui Cao
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Key Laboratory of Polymorphic Drugs of Beijing, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Sujuan Sun
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Key Laboratory of Polymorphic Drugs of Beijing, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Lei Lei
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Key Laboratory of Polymorphic Drugs of Beijing, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Quan Liu
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Key Laboratory of Polymorphic Drugs of Beijing, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Shuainan Liu
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Key Laboratory of Polymorphic Drugs of Beijing, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Wenming Ji
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Key Laboratory of Polymorphic Drugs of Beijing, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Kaixun Huang
- Hubei Key Laboratory of Bioinorganic Chemistry & Materia Medica, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan 430074, China
| | - Zhufang Shen
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Key Laboratory of Polymorphic Drugs of Beijing, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China.
| | - Jun Zhou
- Hubei Key Laboratory of Bioinorganic Chemistry & Materia Medica, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan 430074, China; Shenzhen Huazhong University of Science and Technology Research Institute, Shenzhen 518057, China.
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6
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Veloso IC, Delanogare E, Machado AE, Braga SP, Rosa GK, De Bem AF, Rafique J, Saba S, da Trindade RN, Galetto FZ, Moreira ELG. A selanylimidazopyridine (3-SePh-IP) reverses the prodepressant- and anxiogenic-like effects of a high-fat/high-fructose diet in mice. J Pharm Pharmacol 2021; 73:673-681. [PMID: 33772293 DOI: 10.1093/jpp/rgaa070] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2020] [Accepted: 12/23/2020] [Indexed: 02/03/2023]
Abstract
OBJECTIVE While chronic feeding with high-fat or high-sugar diets is known related to obesity and type 2 diabetes, later data have indicated that it is also related to depression and anxiety appearance. In this regard, multi-target drugs raise considerable interest as promising therapeutic solutions to complex diseases. Considering the pharmacological effects of the imidazopyridine-derivative moiety imidazo[1,2-a]pyridine and the organoselenium molecules, the combination of both could be a feasible strategy to develop efficient drugs to handle obesity and related comorbidities, for example dyslipidemia and mood disorders. METHODS The antidepressant- and anxiolytic-like properties of a selanylimidazopyridine compound, 2-Phenyl-3-(phenylselanyl)imidazo[1,2-a]pyridine (3-SePh-IP), were evaluated on high-fat/high-fructose diet (HFFD)-fed female Swiss mice. KEY FINDINGS Our results showed that a short-term HFFD (16 days) could promote a significant body weight gain, hypercholesterolemia, glucose intolerance, and anxiety- and depressive-like behaviour in mice. Concomitant treatment with 3-SePh-IP (10 mg/kg; i.p.) attenuated the HFFD-induced increase in cholesterol levels and blunted the anxiety- and depressive-like behaviour in mice. CONCLUSIONS 3-SePh-IP holds multimodal pharmacological properties, which provide a rationale for further studies, for example to assess the underlying mechanisms linked to its anxiolytic- and antidepressive-like activities.
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Affiliation(s)
- Izolene Corrêa Veloso
- Programa de Pós-Graduação em Neurociências, Universidade Federal de Santa Catarina, Florianópolis, SC, Brazil
| | - Eslen Delanogare
- Programa de Pós-Graduação em Neurociências, Universidade Federal de Santa Catarina, Florianópolis, SC, Brazil
| | - Adriano Emanuel Machado
- Programa de Pós-Graduação em Neurociências, Universidade Federal de Santa Catarina, Florianópolis, SC, Brazil
| | - Sara Pereira Braga
- Programa de Pós-Graduação Multicêntrico em Ciências Fisiológicas, Universidade Federal de Santa Catarina, Florianópolis, SC, Brazil
| | - Giovana Karoline Rosa
- Departamento de Ciências Fisiológicas, Universidade Federal de Santa Catarina, Florianópolis, SC, Brazil
| | - Andreza Fabro De Bem
- Departamento de Ciências Fisiológicas, Instituto de Ciências Biológicas, Universidade de Brasília, Brasília, DF, Brazil
| | - Jamal Rafique
- Instituto de Química, Universidade Federal do Mato Grosso do Sul, Campo Grande, MS, Brazil
| | - Sumbal Saba
- Centro de Ciências Naturais e Humanas - CCNH, Universidade Federal do ABC, Santo André, SP, Brazil
| | | | - Fábio Zazyki Galetto
- Departamento de Química, Universidade Federal de Santa Catarina, Florianópolis, SC, Brazil
| | - Eduardo Luiz Gasnhar Moreira
- Departamento de Ciências Fisiológicas, Universidade Federal de Santa Catarina, Florianópolis, SC, Brazil.,Programa de Pós-Graduação em Neurociências, Universidade Federal de Santa Catarina, Florianópolis, SC, Brazil.,Programa de Pós-Graduação Multicêntrico em Ciências Fisiológicas, Universidade Federal de Santa Catarina, Florianópolis, SC, Brazil
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7
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Wang X, Huan Y, Li C, Cao H, Sun S, Lei L, Liu Q, Liu S, Ji W, Liu H, Huang K, Zhou J, Shen Z. Diphenyl diselenide alleviates diabetic peripheral neuropathy in rats with streptozotocin-induced diabetes by modulating oxidative stress. Biochem Pharmacol 2020; 182:114221. [DOI: 10.1016/j.bcp.2020.114221] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2020] [Revised: 09/13/2020] [Accepted: 09/14/2020] [Indexed: 12/15/2022]
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8
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Dos Santos MM, de Macedo GT, Prestes AS, Ecker A, Müller TE, Leitemperger J, Fontana BD, Ardisson-Araújo DMP, Rosemberg DB, Barbosa NV. Modulation of redox and insulin signaling underlie the anti-hyperglycemic and antioxidant effects of diphenyl diselenide in zebrafish. Free Radic Biol Med 2020; 158:20-31. [PMID: 32544425 DOI: 10.1016/j.freeradbiomed.2020.06.002] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/31/2020] [Revised: 05/01/2020] [Accepted: 06/01/2020] [Indexed: 12/12/2022]
Abstract
The organic selenium compound diphenyl diselenide (DD) has been recognized as an antioxidant and neuroprotective agent, exerting an anti-hyperglycemic effect in experimental models of diabetes. However, the precise mechanisms involved in the protection are unclear. Using the zebrafish (Danio rerio) as a model organism, here we investigated biomarkers underlying the protective effects of DD against hyperglycemia, targeting in a transcriptional approach the redox and insulin-signaling pathway. Fish were fed on a diet containing DD (3 mg/kg) for 74 days. In the last 14 days, they were exposed to a 111 mM glucose solution to induce a hyperglycemic state. DD reduced blood glucose levels as well as normalized the brain mRNA transcription of four insulin receptors-coding genes (Insra1, Insra2, Insrb1, Insrb2), which were down-regulated by glucose. DD alone caused an up-regulation of relative mRNA transcription in both Insra receptors and glucose transporter 3 genes. DD counteracted hyperglycemia-induced lipid peroxidation, protein and thiol depletion. Along with the decreased activity of antioxidant enzymes SOD and GPx, the brain of hyperglycemic fish presented a reduction in mRNA transcription of FoxO3A, FoxO3B, Nrf2, GPx3A, SOD1, and SOD2 genes. Besides normalizing the transcriptional levels, DD caused an up-regulation of relative mRNAs that encode Nrf2, FoxO1A, FOXO3A, GPx4A, PTP1B, AKT and SelP. Collectively, our findings suggest that the antioxidant and anti-hyperglycemic actions of DD in a zebrafish diabetes model are likely associated with the regulation of the oxidative stress resistance and the insulin-signaling pathway and that could be related to the modulation at mRNA level of two important transcription factors, Nrf2 and FoxO.
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Affiliation(s)
- Matheus M Dos Santos
- Programa de Pós-graduação em Bioquímica Toxicológica, Universidade Federal de Santa Maria, Avenida Roraima, 1000, 97105-900, Santa Maria, RS, Brazil
| | - Gabriel T de Macedo
- Programa de Pós-graduação em Bioquímica Toxicológica, Universidade Federal de Santa Maria, Avenida Roraima, 1000, 97105-900, Santa Maria, RS, Brazil
| | - Alessandro S Prestes
- Programa de Pós-graduação em Bioquímica Toxicológica, Universidade Federal de Santa Maria, Avenida Roraima, 1000, 97105-900, Santa Maria, RS, Brazil
| | - Assis Ecker
- Programa de Pós-graduação em Bioquímica Toxicológica, Universidade Federal de Santa Maria, Avenida Roraima, 1000, 97105-900, Santa Maria, RS, Brazil
| | - Talise E Müller
- Programa de Pós-graduação em Bioquímica Toxicológica, Universidade Federal de Santa Maria, Avenida Roraima, 1000, 97105-900, Santa Maria, RS, Brazil
| | - Jossiele Leitemperger
- Programa de Pós-graduação em Bioquímica Toxicológica, Universidade Federal de Santa Maria, Avenida Roraima, 1000, 97105-900, Santa Maria, RS, Brazil
| | - Bárbara D Fontana
- Brain and Behaviour Laboratory, School of Pharmacy and Biomedical Sciences, University of Portsmouth, England, UK
| | - Daniel M P Ardisson-Araújo
- Programa de Pós-graduação em Bioquímica Toxicológica, Universidade Federal de Santa Maria, Avenida Roraima, 1000, 97105-900, Santa Maria, RS, Brazil
| | - Denis B Rosemberg
- Programa de Pós-graduação em Bioquímica Toxicológica, Universidade Federal de Santa Maria, Avenida Roraima, 1000, 97105-900, Santa Maria, RS, Brazil; Zebrafish Neuroscience Research Consortium (ZNRC), 309 Palmer Court, Slidell, LA, 70458, USA
| | - Nilda V Barbosa
- Programa de Pós-graduação em Bioquímica Toxicológica, Universidade Federal de Santa Maria, Avenida Roraima, 1000, 97105-900, Santa Maria, RS, Brazil.
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9
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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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10
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Thomé GR, Oliveira VA, Chitolina Schetinger MR, Saraiva RA, Souza D, Dorneles Rodrigues OE, Teixeira Rocha JB, Ineu RP, Pereira ME. Selenothymidine protects against biochemical and behavioral alterations induced by ICV-STZ model of dementia in mice. Chem Biol Interact 2018; 294:135-143. [PMID: 30120923 DOI: 10.1016/j.cbi.2018.08.004] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2018] [Revised: 07/10/2018] [Accepted: 08/10/2018] [Indexed: 11/29/2022]
Abstract
The present study evaluated the neuroprotective effects of one selenium-containing AZT derivative compound (S1073) in memory and learning impairment caused by Intracerebroventricular-streptozotocin (ICV-STZ). ICV-STZ in mice causes impairment of energy metabolism with oxidative damage and cholinergic dysfunction, and provides a relevant model for sporadic dementia of Alzheimer's type (AD). Acetylcolinesterase (AChE), Catalase (CAT), dichlorofluorescein oxidation (DCFH), TBARS and thiol content were measured. Swiss adult mice were pre-treated with S1073 [1 mmol/kg] (i.p.) and after 30 min of the injection received a bilateral dose of STZ [11.3 μmol/l]. After 8 days' STZ injection, we performed the behavioral experiments (Beaker test, Open field and Morris water maze task). ICV-STZ caused significant learning and memory impairments, which were significantly improved by S1073 pre-treatment. A significant increase in cerebral DFCH, TBARS levels and AChE activity and a disturbance in the memory and learning were observed in ICV-STZ injected animals. S1073 significantly ameliorated all alterations induced by ICV-STZ in mice. All these findings support the neuroprotective role of S1073 in mice model of Alzheimer's dementia-type induced by ICV-STZ, which may be associated with its antioxidant activity and/or with its inhibitory effect in brain AChE. In fact, in silico analysis indicated that S1073 may be an inhibitor of AChE.
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Affiliation(s)
- Gustavo Roberto Thomé
- Federal Technology University of Paraná, Post-Graduation Program of Chemical and Biochemical Processes, Brazil.
| | | | - Maria Rosa Chitolina Schetinger
- Federal University of Santa Maria, Post-Graduation Program of Biological Sciences: Toxicological Biochemistry, Department of Biochemistry and Molecular Biology, Brazil
| | | | - Diego Souza
- Federal University of Santa Maria, Post-Graduation Program of Biological Sciences: Toxicological Biochemistry, Department of Biochemistry and Molecular Biology, Brazil
| | - Oscar Endrigo Dorneles Rodrigues
- Federal University of Santa Maria, Post-Graduation Program of Biological Sciences: Toxicological Biochemistry, Department of Biochemistry and Molecular Biology, Brazil
| | - João Batista Teixeira Rocha
- Federal University of Santa Maria, Post-Graduation Program of Biological Sciences: Toxicological Biochemistry, Department of Biochemistry and Molecular Biology, Brazil
| | - Rafael Porto Ineu
- Federal Technology University of Paraná, Post-Graduation Program of Food Technology, Brazil
| | - Maria Ester Pereira
- Federal University of Santa Maria, Post-Graduation Program of Biological Sciences: Toxicological Biochemistry, Department of Biochemistry and Molecular Biology, Brazil
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Dos Santos MM, de Macedo GT, Prestes AS, Loro VL, Heidrich GM, Picoloto RS, Rosemberg DB, Barbosa NV. Hyperglycemia elicits anxiety-like behaviors in zebrafish: Protective role of dietary diphenyl diselenide. Prog Neuropsychopharmacol Biol Psychiatry 2018; 85:128-135. [PMID: 29723547 DOI: 10.1016/j.pnpbp.2018.04.017] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/17/2018] [Revised: 04/27/2018] [Accepted: 04/29/2018] [Indexed: 12/28/2022]
Abstract
Diabetes mellitus (DM) is a chronic metabolic disease that may comorbid with various psychiatric disorders, such as anxiety and depression. The search for effective therapeutics to alleviate hyperglycemia and complications resulting from DM is continuous. Here we investigate the effects of diphenyl diselenide (DD), an organoselenium compound with several pharmacological properties, in a zebrafish model of hyperglycemia. Fish were fed for 74 days with a diet containing 3 mg/Kg DD, a concentration chosen after experiments based in a dose-response curve (DD 1, 2 and 3 mg/Kg) that did not cause overt toxicity (mortality, weight loss and neurobehavioral deficits). In the last 14 days of the experimental period, fish were concomitantly exposed to a glucose solution (111 mM). Afterwards, blood glucose levels, brain selenium (Se) content, and behavioral analysis aiming to assess anxiety-like behaviors and locomotor/exploratory activities were performed. In the novel tank diving test, glucose decreased vertical exploration and fish spent less time in the lit area when tested in the light-dark test, suggesting increased anxiety-like behavior. Moreover, DD decreased blood glucose levels in hyperglycemic fish as well as prevented the development of anxiety-related symptoms. DD diet alone did not change glycemia and behavioral parameters, but increased Se levels in the brain without affecting the cellular viability. Collectively, our findings highlight the growing utility of this zebrafish hyperglycemia model as a valuable strategy for further research in DM field and neuroprotective approaches.
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Affiliation(s)
- Matheus M Dos Santos
- Programa de Pós-graduação em Bioquímica Toxicológica, Universidade Federal de Santa Maria, Avenida Roraima, 1000, 97105-900 Santa Maria, RS, Brazil
| | - Gabriel T de Macedo
- Programa de Pós-graduação em Bioquímica Toxicológica, Universidade Federal de Santa Maria, Avenida Roraima, 1000, 97105-900 Santa Maria, RS, Brazil
| | - Alessandro S Prestes
- Programa de Pós-graduação em Bioquímica Toxicológica, Universidade Federal de Santa Maria, Avenida Roraima, 1000, 97105-900 Santa Maria, RS, Brazil
| | - Vânia L Loro
- Programa de Pós-graduação em Bioquímica Toxicológica, Universidade Federal de Santa Maria, Avenida Roraima, 1000, 97105-900 Santa Maria, RS, Brazil
| | - Graciela M Heidrich
- Departamento de Química, Centro de Ciências Naturais e Exatas, Universidade Federal de Santa Maria, Avenida Roraima, 1000, 97105-900 Santa Maria, RS, Brazil
| | - Rochele S Picoloto
- Departamento de Química, Centro de Ciências Naturais e Exatas, Universidade Federal de Santa Maria, Avenida Roraima, 1000, 97105-900 Santa Maria, RS, Brazil
| | - Denis B Rosemberg
- Programa de Pós-graduação em Bioquímica Toxicológica, Universidade Federal de Santa Maria, Avenida Roraima, 1000, 97105-900 Santa Maria, RS, Brazil; Laboratório de Neuropsicobiologia Experimental, Departamento de Bioquímica e Biologia Molecular, Centro de Ciências Naturais e Exatas, Universidade Federal de Santa Maria, Avenida Roraima, 1000, 97105-900 Santa Maria, RS, Brazil; Zebrafish Neuroscience Research Consortium (ZNRC), 309 Palmer Court, Slidell, LA 70458, USA
| | - Nilda V Barbosa
- Programa de Pós-graduação em Bioquímica Toxicológica, Universidade Federal de Santa Maria, Avenida Roraima, 1000, 97105-900 Santa Maria, RS, Brazil.
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Galant LS, Braga MM, de Souza D, de Bem AF, Sancineto L, Santi C, da Rocha JBT. Induction of reactive oxygen species by diphenyl diselenide is preceded by changes in cell morphology and permeability in Saccharomyces cerevisiae. Free Radic Res 2017; 51:657-668. [PMID: 28840761 DOI: 10.1080/10715762.2017.1355054] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Organoselenium compounds, such as diphenyl diselenide (PhSe)2 and phenylselenium zinc chloride (PhSeZnCl), show protective activities related to their thiol peroxidase activity. However, depending on experimental conditions, organoselenium compounds can cause toxicity by oxidising thiol groups of proteins and induce the production of reactive oxygen species (ROS). Here, we analysed the toxicity of (PhSe)2 and PhSeZnCl in yeast Saccharomyces cerevisiae. Cell growth of S. cerevisiae after 1, 2, 3, 4, 6, and 16 h of treatment with 2, 4, 6, and 10 μM of (PhSe)2 was evaluated. For comparative purpose, PhSeZnCl was analysed only at 16 h of incubation at equivalent concentrations of selenium (i.e. 4, 8, 12, and 20 μM). ROS production (DCFH-DA), size, granularity, and cell membrane permeability (propidium iodide) were determined by flow cytometry. (PhSe)2 inhibited cell growth at 2 h (10 μM) of incubation, followed by increase in cell size. The increase of cell membrane permeability and granularity (10 μM) was observed after 3 h of incubation, however, ROS production occurs only at 16 h of incubation (10 μM) with (PhSe)2, indicating that ROS overproduction is a more likely consequence of (PhSe)2 toxicity and not its determinant. All tested parameters showed that only concentration of 20 μM induced toxicity in samples incubated with PhSeZnCl. In summary, the results suggest that (PhSe)2 toxicity in S. cerevisiae is time and concentration dependent, presenting more toxicity when compared with PhSeZnCl.
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Affiliation(s)
- Leticia Selinger Galant
- a Laboratório de Bioquímica Toxicológica, Departamento de Bioquímica e Biologia Molecular, Centro de Ciências Naturais e Exatas , Universidade Federal de Santa , Maria , Brazil
| | - Marcos Martins Braga
- a Laboratório de Bioquímica Toxicológica, Departamento de Bioquímica e Biologia Molecular, Centro de Ciências Naturais e Exatas , Universidade Federal de Santa , Maria , Brazil
| | - Diego de Souza
- a Laboratório de Bioquímica Toxicológica, Departamento de Bioquímica e Biologia Molecular, Centro de Ciências Naturais e Exatas , Universidade Federal de Santa , Maria , Brazil
| | - Andreza Fabro de Bem
- b Departamento Bioquímica, Centro de Ciências Biológicas , Universidade Federal de Santa Catarina , Florianópolis , Brazil
| | - Luca Sancineto
- c Group of Catalysis and Organic Green Chemistry Department of Pharmaceutical Sciences , University of Perugia , Perugia , Italy
| | - Claudio Santi
- c Group of Catalysis and Organic Green Chemistry Department of Pharmaceutical Sciences , University of Perugia , Perugia , Italy
| | - Joao Batista Teixeira da Rocha
- a Laboratório de Bioquímica Toxicológica, Departamento de Bioquímica e Biologia Molecular, Centro de Ciências Naturais e Exatas , Universidade Federal de Santa , Maria , Brazil
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Quines CB, Rosa SG, Chagas PM, Velasquez D, Prado VC, Nogueira CW. (p-ClPhSe) 2 stimulates carbohydrate metabolism and reverses the metabolic alterations induced by high fructose load in rats. Food Chem Toxicol 2017; 107:122-128. [PMID: 28655652 DOI: 10.1016/j.fct.2017.06.038] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2017] [Revised: 06/21/2017] [Accepted: 06/22/2017] [Indexed: 02/07/2023]
Abstract
The modern life leads to excess consumption of food rich in fructose; however, the long-term changes in carbohydrate and lipid metabolism could lead to metabolic dysfunction in humans. The present study evaluated the in vitro insulin-mimetic action of p-chloro-diphenyl diselenide (p-ClPhSe)2. The second aim of this study was to investigate if (p-ClPhSe)2 reverses metabolic dysfunction induced by fructose load in Wistar rats. The insulin-mimetic action of (p-ClPhSe)2 at concentrations of 50 and 100 μM was determined in slices of rat skeletal muscle. (p-ClPhSe)2 at a concentration of 50 μM stimulated the glucose uptake by 40% in skeletal muscle. A dose-response curve revealed that (p-ClPhSe)2 at a dose of 25 mg/kg reduced (∼20%) glycemia in rats treated with fructose (5 g/kg, i.g.). The administration of fructose impaired the liver homeostasis and (p-ClPhSe)2 (25 mg/kg) protected against the increase (∼25%) in the G-6-Pase and isocitrate dehydrogenase activities and reduced the triglyceride content (∼25%) in the liver. (p-ClPhSe)2 regulated the liver homeostasis by stimulating hexokinase activity (∼27%), regulating the TCA cycle activity (increased the ATP and citrate synthase activity (∼15%)) and increasing the glycogen levels (∼67%). In conclusion, (p-ClPhSe)2 stimulated carbohydrate metabolism and reversed metabolic dysfunction in rats fed with fructose.
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Affiliation(s)
- Caroline B Quines
- Laboratório de Síntese, Reatividade e Avaliação Farmacológica e Toxicológica de Organocalcogênios, Centro de Ciências Naturais e Exatas, Departamento de Bioquímica e Biologia Molecular, Universidade Federal de Santa Maria, Santa Maria CEP 97105-900, RS, Brazil
| | - Suzan G Rosa
- Laboratório de Síntese, Reatividade e Avaliação Farmacológica e Toxicológica de Organocalcogênios, Centro de Ciências Naturais e Exatas, Departamento de Bioquímica e Biologia Molecular, Universidade Federal de Santa Maria, Santa Maria CEP 97105-900, RS, Brazil
| | - Pietro M Chagas
- Laboratório de Síntese, Reatividade e Avaliação Farmacológica e Toxicológica de Organocalcogênios, Centro de Ciências Naturais e Exatas, Departamento de Bioquímica e Biologia Molecular, Universidade Federal de Santa Maria, Santa Maria CEP 97105-900, RS, Brazil
| | - Daniela Velasquez
- Laboratório de Síntese, Reatividade e Avaliação Farmacológica e Toxicológica de Organocalcogênios, Centro de Ciências Naturais e Exatas, Departamento de Bioquímica e Biologia Molecular, Universidade Federal de Santa Maria, Santa Maria CEP 97105-900, RS, Brazil
| | - Vinicius C Prado
- Laboratório de Síntese, Reatividade e Avaliação Farmacológica e Toxicológica de Organocalcogênios, Centro de Ciências Naturais e Exatas, Departamento de Bioquímica e Biologia Molecular, Universidade Federal de Santa Maria, Santa Maria CEP 97105-900, RS, Brazil
| | - Cristina W Nogueira
- Laboratório de Síntese, Reatividade e Avaliação Farmacológica e Toxicológica de Organocalcogênios, Centro de Ciências Naturais e Exatas, Departamento de Bioquímica e Biologia Molecular, Universidade Federal de Santa Maria, Santa Maria CEP 97105-900, RS, Brazil.
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Petronilho F, Michels M, Danielski LG, Goldim MP, Florentino D, Vieira A, Mendonça MG, Tournier M, Piacentini B, Giustina AD, Leffa DD, Pereira GW, Pereira VD, Rocha JBTD. Diphenyl diselenide attenuates oxidative stress and inflammatory parameters in ulcerative colitis: A comparison with ebselen. Pathol Res Pract 2016; 212:755-60. [DOI: 10.1016/j.prp.2016.04.012] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/21/2015] [Revised: 04/22/2016] [Accepted: 04/29/2016] [Indexed: 12/18/2022]
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Gómez Castaño JA, Romano RM, Salamanca AR, Amésquita G, Beckers H, Willner H, Della Védova CO. Vibrational spectra, conformational properties and argon matrix photochemistry of diacetyl diselenide, CH3C(O)Se2C(O)CH3. J PHYS ORG CHEM 2016. [DOI: 10.1002/poc.3587] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Affiliation(s)
- Jovanny A. Gómez Castaño
- CEQUINOR (UNLP-CONICET), Departamento de Química, Facultad de Ciencias Exactas; Universidad Nacional de La Plata; 47 esq. 115 1900 La Plata Argentina
- Laboratorio de Química Teórica y Computacional, Grupo de Investigación Química-Física Molecular y Modelamiento Computacional (QUIMOL), Facultad de Ciencias; Universidad Pedagógica y Tecnológica de Colombia (UPTC); Avenida Central del Norte Tunja Boyacá Colombia
| | - Rosana M. Romano
- CEQUINOR (UNLP-CONICET), Departamento de Química, Facultad de Ciencias Exactas; Universidad Nacional de La Plata; 47 esq. 115 1900 La Plata Argentina
| | - Ana R. Salamanca
- Laboratorio de Química Teórica y Computacional, Grupo de Investigación Química-Física Molecular y Modelamiento Computacional (QUIMOL), Facultad de Ciencias; Universidad Pedagógica y Tecnológica de Colombia (UPTC); Avenida Central del Norte Tunja Boyacá Colombia
| | - Germán Amésquita
- Grupo de Investigación en Informática, Electrónica y Comunicaciones (INFELCOM), Facultad de Ingenieria; Universidad Pedagógica y Tecnológica de Colombia (UPTC); Avenida Central del Norte Tunja Boyacá Colombia
| | - Helmut Beckers
- Anorganische Chemie; Bergische Universität Wuppertal; Gaußstr. 20 D-42097 Wuppertal Germany
| | - Helge Willner
- Anorganische Chemie; Bergische Universität Wuppertal; Gaußstr. 20 D-42097 Wuppertal Germany
| | - Carlos O. Della Védova
- CEQUINOR (UNLP-CONICET), Departamento de Química, Facultad de Ciencias Exactas; Universidad Nacional de La Plata; 47 esq. 115 1900 La Plata Argentina
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Gujral G, Gulati SD, Bhasin KK, Potapov VA, Amosova SV. Synthesis and Characterization of Unsymmetric 4-Picolyl Selenides. PHOSPHORUS SULFUR 2015. [DOI: 10.1080/10426507.2015.1085041] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Affiliation(s)
- Gurjeet Gujral
- Department of Chemistry, G.C.G.-11, Chandigarh, 160 011, India
| | - Shivani D. Gulati
- Department of Chemistry, D. A. V. College, Sector-10, Chandigarh, 160 011, India
| | - Kuldip K. Bhasin
- Department of Chemistry and Centre of Advanced Studies in Chemistry, Punjab University, Chandigarh, 160 014, India
| | - V. A. Potapov
- A. E. Favorsky Irkutsk Institute of Chemistry, Siberian Division of the Russian Academy of Sciences, 1 Favorsky St., Irkutsk, 664033, Russia
| | - S. V. Amosova
- A. E. Favorsky Irkutsk Institute of Chemistry, Siberian Division of the Russian Academy of Sciences, 1 Favorsky St., Irkutsk, 664033, Russia
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17
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Quines CB, Rosa SG, Chagas PM, da Rocha JT, Dobrachinski F, Carvalho NR, Soares FA, da Luz SCA, Nogueira CW. Homeostatic effect of p-chloro-diphenyl diselenide on glucose metabolism and mitochondrial function alterations induced by monosodium glutamate administration to rats. Amino Acids 2015; 48:137-48. [DOI: 10.1007/s00726-015-2073-3] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2015] [Accepted: 08/13/2015] [Indexed: 10/23/2022]
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18
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Effects of diphenyl and p-chloro-diphenyl diselenides on feeding behavior of rats. Psychopharmacology (Berl) 2015; 232:2239-49. [PMID: 25563236 DOI: 10.1007/s00213-014-3856-z] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/11/2014] [Accepted: 12/20/2014] [Indexed: 01/23/2023]
Abstract
RATIONALE The searching for safe and effective antiobesity drugs has been the subject of intense research. Previous studies have shown several pharmacological applications of organoselenium compounds; however, their possible anorectic-like actions have not been investigated. OBJECTIVE This study aims to investigate the effects of (PhSe)2 and (p-ClPhSe)2 on feeding behavior of rats and their potential as weight-reducing agents. METHODS The effects of intraperitoneal administration of diselenides were investigated through the microstructural pattern of feeding behavior, behavioral satiety sequence (BSS), hypothalamic serotonin (5-HT) uptake, body weight, and epididymal fat content of male rats. RESULTS Our findings demonstrated that food intake of fasted rats was reduced by both diselenides (1 and 10 mg/kg). Diphenyl diselenide [(PhSe)2] (1 mg/kg) and p-chloro-diphenyl diselenide [(p-ClPhSe)2] (10 mg/kg) decreased the frequency, mean duration, and mean size of meals compared with the control treatment. The BSS structure was preserved when organoselenium compounds (1 mg/kg) were administered, and it was associated to a displacement to the left when the resting period started indicating a satiating action. Inhibition of 5-HT uptake in the hypothalamus (∼20 %) was also found in rats treated with low doses of (PhSe)2 and (p-ClPhSe)2 (1 mg/kg). Treatments with a high dose of both diselenides (10 mg/kg) carried out for 7 days induced weight loss and epididymal fat reduction in sated rats. CONCLUSION This study suggests that diselenides caused a satiating action in rats that could be partially explained by the inhibition of hypothalamic 5-HT uptake. These organoselenium compounds were potential weight-reducing agents when repeatedly administered.
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Omotayo TI, Akinyemi GS, Omololu PA, Ajayi BO, Akindahunsi AA, Rocha JBT, Kade IJ. Possible involvement of membrane lipids peroxidation and oxidation of catalytically essential thiols of the cerebral transmembrane sodium pump as component mechanisms of iron-mediated oxidative stress-linked dysfunction of the pump's activity. Redox Biol 2014; 4:234-41. [PMID: 25618580 PMCID: PMC4803792 DOI: 10.1016/j.redox.2014.12.015] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2014] [Revised: 12/21/2014] [Accepted: 12/22/2014] [Indexed: 11/20/2022] Open
Abstract
The precise molecular events defining the complex role of oxidative stress in the inactivation of the cerebral sodium pump in radical-induced neurodegenerative diseases is yet to be fully clarified and thus still open. Herein we investigated the modulation of the activity of the cerebral transmembrane electrogenic enzyme in Fe2+-mediated in vitro oxidative stress model. The results show that Fe2+ inhibited the transmembrane enzyme in a concentration dependent manner and this effect was accompanied by a biphasic generation of aldehydic product of lipid peroxidation. While dithiothreitol prevented both Fe2+ inhibitory effect on the pump and lipid peroxidation, vitamin E prevented only lipid peroxidation but not inhibition of the pump. Besides, malondialdehyde (MDA) inhibited the pump by a mechanism not related to oxidation of its critical thiols. Apparently, the low activity of the pump in degenerative diseases mediated by Fe2+ may involve complex multi-component mechanisms which may partly involve an initial oxidation of the critical thiols of the enzyme directly mediated by Fe2+ and during severe progression of such diseases; aldehydic products of lipid peroxidation such as MDA may further exacerbate this inhibitory effect by a mechanism that is likely not related to the oxidation of the catalytically essential thiols of the ouabain-sensitive cerebral electrogenic pump. Fe2+ evoked lipid peroxidation (LPO) and inhibition of sodium pump (SP) in rat brain. However, dithiothreitol prevented both Fe2+-mediated LPO and inhibition of SP. Conversely, vitamin E prevented only Fe2+-mediated LPO but not inhibition of SP. Thus Fe2+ mediated inactivation of SP likely by oxidizing the essential thiol on SP. However, malondialdehyde inhibited SP by a mechanism not related to thiol oxidation.
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Affiliation(s)
- T I Omotayo
- Department of Biochemistry, Federal University of Technology, Akure, Ondo State, Nigeria
| | - G S Akinyemi
- Department of Biochemistry, Federal University of Technology, Akure, Ondo State, Nigeria
| | - P A Omololu
- Department of Biochemistry, Federal University of Technology, Akure, Ondo State, Nigeria
| | - B O Ajayi
- Department of Biochemistry, Federal University of Technology, Akure, Ondo State, Nigeria
| | - A A Akindahunsi
- Department of Biochemistry, Federal University of Technology, Akure, Ondo State, Nigeria
| | - J B T Rocha
- Centro de Ciencias Naturais e Exatas, Programa Posgraduacao em Bioquimica Toxciologica, Universidade Federal de Santa Maria, RS, Brazil
| | - I J Kade
- Department of Biochemistry, Federal University of Technology, Akure, Ondo State, Nigeria.
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Menezes C, Ruiz-Jarabo I, Martos-Sitcha JA, Leitemperger J, Baldisserotto B, Mancera JM, Rosemberg DB, Loro VL. Diet with diphenyl diselenide mitigates quinclorac toxicity in silver catfish (Rhamdia quelen). PLoS One 2014; 9:e114233. [PMID: 25469630 PMCID: PMC4254993 DOI: 10.1371/journal.pone.0114233] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2014] [Accepted: 11/03/2014] [Indexed: 11/18/2022] Open
Abstract
In this study, the protective effects of diphenyl diselenide [(PhSe)2] on quinclorac- induced toxicity were investigated in silver catfish (Rhamdia quelen). The fish were fed for 60 days with a diet in the absence or in the presence of 3.0 mg/Kg (PhSe)2. Animals were further exposed to 1 mg/L quinclorac for 8 days. At the end of experimental period, fish were euthanized and biopsies from liver and gills, as well as blood samples, were collected. The cortisol and metabolic parameters were determined in plasma, and those enzyme activities related to osmoregulation were assayed in the gills. In liver, some important enzyme activities of the intermediary metabolism and oxidative stress-related parameters, such as thiobarbituric acid-reactive substance (TBARS), protein carbonyl, catalase (CAT), superoxide dismutase (SOD), glutathione S-transferase (GST), nonprotein thiols (NPSH) and ascorbic acid contents were also evaluated. Compared to the control group, quinclorac exposure significantly decreased hepatosomatic index and increased cortisol and lactate values in plasma. Moreover, the activities of fructose biphosphatase (FBPase), glucose-6-phosphate dehydrogenase (G6Pase), glycogen phosphorilase (GPase) and aspartate aminotransferase (AST) were significantly increased in liver. Quinclorac also induced lipid peroxidation while the activity of SOD, NPSH and ascorbic acid levels decreased in the liver. However, dietary (PhSe)2 reduced the herbicide-induced effects on the studied parameters. In conclusion, (PhSe)2 has beneficial properties based on its ability to attenuate toxicity induced by quinclorac by regulating energy metabolism and oxidative stress-related parameters.
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Affiliation(s)
- Charlene Menezes
- Departamento de Bioquímica e Biologia Molecular, Universidade Federal de Santa Maria, Santa Maria, RS, Brasil
- * E-mail:
| | - Ignacio Ruiz-Jarabo
- Departamento de Biología, Facultad de Ciencias Del Mar y Ambientales, Campus de Excelencia International del Mar (CEI-MAR), Universidad de Cádiz Puerto Real, Cádiz, Spain
| | - Juan Antonio Martos-Sitcha
- Departamento de Biología, Facultad de Ciencias Del Mar y Ambientales, Campus de Excelencia International del Mar (CEI-MAR), Universidad de Cádiz Puerto Real, Cádiz, Spain
- Instituto de Ciencias Marinas de Andalucía, Consejo Superior de Investigaciones Científicas (ICMAN-CSIC), Puerto Real, Cádiz, Spain
| | - Jossiele Leitemperger
- Departamento de Bioquímica e Biologia Molecular, Universidade Federal de Santa Maria, Santa Maria, RS, Brasil
| | - Bernardo Baldisserotto
- Departamento de Fisiologia e Farmacologia, Universidade Federal de Santa Maria, Santa Maria, RS, Brasil
| | - Juan Miguel Mancera
- Departamento de Biología, Facultad de Ciencias Del Mar y Ambientales, Campus de Excelencia International del Mar (CEI-MAR), Universidad de Cádiz Puerto Real, Cádiz, Spain
| | - Denis Broock Rosemberg
- Departamento de Bioquímica e Biologia Molecular, Universidade Federal de Santa Maria, Santa Maria, RS, Brasil
| | - Vania Lucia Loro
- Departamento de Bioquímica e Biologia Molecular, Universidade Federal de Santa Maria, Santa Maria, RS, Brasil
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Lei L, Zhang G, Li P, Zhang Y, Guo Y, Zhang W, Zhang W, Hu B, Wang L. Deuterohemin-AlaHisLys mitigates the symptoms of rats with non-insulin dependent diabetes mellitus by scavenging reactive oxygen species and activating the PI3-K/AKT signal transduction pathway. Chem Biol Interact 2014; 220:64-74. [DOI: 10.1016/j.cbi.2014.05.008] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2013] [Revised: 04/10/2014] [Accepted: 05/18/2014] [Indexed: 12/14/2022]
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Acker CI, Nogueira CW. Diphenyl diselenide protects against metabolic disorders induced by acephate acute exposure in rats. ENVIRONMENTAL TOXICOLOGY 2014; 29:665-671. [PMID: 22778074 DOI: 10.1002/tox.21793] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/21/2012] [Revised: 06/04/2012] [Accepted: 06/10/2012] [Indexed: 06/01/2023]
Abstract
The present study investigated the effect of diphenyl diselenide [(PhSe)2 ] on metabolic disorders induced by acephate acute exposure in rats. We also investigated a possible mechanism of action of (PhSe)2 against hyperglycemia induced by acephate. (PhSe)2 was administered to rats at a dose of 10 or 30 mg/kg by oral gavage (p.o.) 1 hour prior to acephate administration (140 mg/kg; p.o.). Glucose and corticosterone levels as well as the lipid status were determined in plasma of rats. Cardiovascular risk factors and the atherogenic index were calculated. Glycogen levels as well as tyrosine aminotransferase (TAT) and glucose-6-phosphatase (G6Pase) activities were determined in livers of rats. Cerebral acetylcholinesterase (AChE) activity was assayed. Acephate induced an increase in glucose and corticosterone levels as well as in TAT and G6Pase activities. AChE activity was inhibited by acephate. Triglyceride (TG) levels and the cardiovascular risk factor TG/high-density lipoprotein-cholesterol (HDL) were increased by acephate. (PhSe)2 was effective against the metabolic disorders induced by acephate acute exposure in rats.
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Affiliation(s)
- Carmine Inês Acker
- Departamento de Química, Centro de Ciências Naturais e Exatas, Universidade Federal de Santa Maria, Santa Maria, CEP 97105-900, RS, Brasil
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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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Hassan W, Silva CEB, Mohammadzai IU, da Rocha JBT, Landeira-Fernandez J. Association of oxidative stress to the genesis of anxiety: implications for possible therapeutic interventions. Curr Neuropharmacol 2014; 12:120-39. [PMID: 24669207 PMCID: PMC3964744 DOI: 10.2174/1570159x11666131120232135] [Citation(s) in RCA: 60] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2013] [Revised: 06/16/2013] [Accepted: 11/02/2013] [Indexed: 12/27/2022] Open
Abstract
Oxidative stress caused by reactive species, including reactive oxygen species, reactive nitrogen species, and unbound, adventitious metal ions (e.g., iron [Fe] and copper [Cu]), is an underlying cause of various neurodegenerative diseases. These reactive species are an inevitable by-product of cellular respiration or other metabolic processes that may cause the oxidation of lipids, nucleic acids, and proteins. Oxidative stress has recently been implicated in depression and anxiety-related disorders. Furthermore, the manifestation of anxiety in numerous psychiatric disorders, such as generalized anxiety disorder, depressive disorder, panic disorder, phobia, obsessive-compulsive disorder, and posttraumatic stress disorder, highlights the importance of studying the underlying biology of these disorders to gain a better understanding of the disease and to identify common biomarkers for these disorders. Most recently, the expression of glutathione reductase 1 and glyoxalase 1, which are genes involved in antioxidative metabolism, were reported to be correlated with anxiety-related phenotypes. This review focuses on direct and indirect evidence of the potential involvement of oxidative stress in the genesis of anxiety and discusses different opinions that exist in this field. Antioxidant therapeutic strategies are also discussed, highlighting the importance of oxidative stress in the etiology, incidence, progression, and prevention of psychiatric disorders.
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Affiliation(s)
- Waseem Hassan
- Pontifícia Universidade Católica do Rio de Janeiro, Rio de Janeiro, RJ, Brazil
- Institute of Chemical Sciences, University of Peshawar, Peshawar, Khyber Pakhtunkhwa, Pakistan
| | | | - Imdad Ullah Mohammadzai
- Institute of Chemical Sciences, University of Peshawar, Peshawar, Khyber Pakhtunkhwa, Pakistan
| | - Joao Batista Teixeira da Rocha
- Departamento de Química, Centro de Ciências Naturais e Exatas, Universidade Federal de Santa Maria, Santa Maria, RS, Brazil
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Giordani CFA, de Souza D, Dornelles L, Nogueira CW, Alves MP, Prigol M, Rodrigues OED. Diphenyl Diselenide-Loaded Nanocapsules: Preparation and Biological Distribution. Appl Biochem Biotechnol 2013; 172:755-66. [DOI: 10.1007/s12010-013-0554-y] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2013] [Accepted: 09/24/2013] [Indexed: 01/06/2023]
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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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Kade IJ, Balogun BD, Rocha JBT. In vitro glutathione peroxidase mimicry of ebselen is linked to its oxidation of critical thiols on key cerebral suphydryl proteins - A novel component of its GPx-mimic antioxidant mechanism emerging from its thiol-modulated toxicology and pharmacology. Chem Biol Interact 2013; 206:27-36. [PMID: 23933410 DOI: 10.1016/j.cbi.2013.07.014] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2013] [Revised: 07/27/2013] [Accepted: 07/30/2013] [Indexed: 11/30/2022]
Abstract
The antioxidant mechanism of ebselen in rats brain is largely linked with its glutathione peroxidase (GPx) rather than its peroxiredoxin mimicry ability. However, the precise molecular dynamics between the GPx-mimicry of ebselen and thiol utilization is yet to be fully clarified and thus still open. Herein, we investigated the influence of dithiothreitol (DTT) on the antioxidant action of ebselen against oxidant-induced cerebral lipid peroxidation and deoxyribose degradation. Furthermore, the critical inhibitory concentrations of ebselen on the activities of sulphydryl enzymes such as cerebral sodium pump, δ-aminolevulinic acid dehydratase (δ-ALAD) and lactate dehydrogenase (LDH) were also investigated. We observe that ebselen (at ≥42 μM) markedly inhibited lipid peroxidation in the presence and absence of DTT, whereas it inhibited deoxyribose degradation only in the presence of DTT. Furthermore, under in vitro conditions, ebselen inhibited the thiol containing enzymes; cerebral sodium pump (at ≥40 μM), δ-ALAD (≥10 μM) and LDH (≥1 μM) which were either prevented or reversed by DTT. However, the inhibition of the activities of these sulphydryl proteins in diabetic animals was prevented by ebselen. Summarily, it is apparent that the effective in vitro inhibitory doses of ebselen on the activity of the sulphydryl proteins are far less than its antioxidant doses. In addition, the presence of DTT is evidently a critical requirement for ebselen to effect its antioxidant action against deoxyribose degeradation and not lipid peroxidation. Consequently, we conclude that ebselen possibly utilizes available thiols on sulphydryl proteins to effect its GPx mimicry antioxidant action against lipid peroxidation in rat brain homogenate.
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Affiliation(s)
- I J Kade
- Department of Biochemistry, Federal University of Technology, Akure, Ondo State, Nigeria.
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de Oliveira J, Moreira ELG, Mancini G, Hort MA, Latini A, Ribeiro-do-Valle RM, Farina M, da Rocha JBT, de Bem AF. Diphenyl diselenide prevents cortico-cerebral mitochondrial dysfunction and oxidative stress induced by hypercholesterolemia in LDL receptor knockout mice. Neurochem Res 2013; 38:2028-36. [PMID: 23881289 DOI: 10.1007/s11064-013-1110-4] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2013] [Revised: 07/03/2013] [Accepted: 07/10/2013] [Indexed: 12/26/2022]
Abstract
Recent studies have indicated a causal link between high dietary cholesterol intake and brain oxidative stress. In particular, we have previously shown a positive correlation between elevated plasma cholesterol levels, cortico-cerebral oxidative stress and mitochondrial dysfunction in low density lipoprotein receptor knockout (LDLr(-/-)) mice, a mouse model of familial hypercholesterolemia. Here we show that the organoselenium compound diphenyl diselenide (PhSe)2 (1 mg/kg; o.g., once a day for 30 days) significantly blunted the cortico-cerebral oxidative stress and mitochondrial dysfunction induced by a hypercholesterolemic diet in LDLr(-/-) mice. (PhSe)2 effectively prevented the inhibition of complex I and II activities, significantly increased the reduced glutathione (GSH) content and reduced lipoperoxidation in the cerebral cortex of hypercholesterolemic LDLr(-/-) mice. Overall, (PhSe)2 may be a promising molecule to protect against hypercholesterolemia-induced effects on the central nervous system, in addition to its already demonstrated antiatherogenic effects.
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Affiliation(s)
- Jade de Oliveira
- Departamento de Bioquímica, Universidade Federal de Santa Catarina, Florianópolis, SC, 88040-900, Brazil
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Development of a novel antidiabetic zinc complex with an organoselenium ligand at the lowest dosage in KK-Ay mice. J Inorg Biochem 2013; 121:10-5. [DOI: 10.1016/j.jinorgbio.2012.12.008] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2012] [Revised: 12/15/2012] [Accepted: 12/15/2012] [Indexed: 01/11/2023]
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Gallic Acid Modulates Cerebral Oxidative Stress Conditions and Activities of Enzyme-Dependent Signaling Systems in Streptozotocin-Treated Rats. Neurochem Res 2013; 38:761-71. [DOI: 10.1007/s11064-013-0975-6] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2012] [Revised: 01/11/2013] [Accepted: 01/17/2013] [Indexed: 01/17/2023]
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31
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Puntel RL, Roos DH, Seeger RL, Rocha JB. Mitochondrial electron transfer chain complexes inhibition by different organochalcogens. Toxicol In Vitro 2013; 27:59-70. [DOI: 10.1016/j.tiv.2012.10.011] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2012] [Revised: 10/12/2012] [Accepted: 10/13/2012] [Indexed: 01/17/2023]
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32
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Physicochemical and Biochemical Profiling of Diphenyl Diselenide. Appl Biochem Biotechnol 2013; 169:885-93. [DOI: 10.1007/s12010-012-0042-9] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2012] [Accepted: 12/17/2012] [Indexed: 10/27/2022]
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Puntel RL, Roos DH, Seeger RL, Aschner M, Rocha JBT. Organochalcogens inhibit mitochondrial complexes I and II in rat brain: possible implications for neurotoxicity. Neurotox Res 2012; 24:109-18. [PMID: 23224748 DOI: 10.1007/s12640-012-9365-0] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2012] [Revised: 11/20/2012] [Accepted: 11/21/2012] [Indexed: 12/31/2022]
Abstract
Organochalcogens, such as organoselenium and organotellurium compounds, can be neurotoxic to rodents. Since mitochondrial dysfunction plays a pivotal role in neurological disorders, the present study was designed to test the hypothesis that rat brain mitochondrial complexes (I, II, I-III, II-III and IV) could be molecular targets of organochalcogens. The results show that organochalcogens caused statistically significant inhibition of mitochondrial complex I activity, which was prevented by preincubation with NADH and fully blunted by reduced glutathione (GSH). Mitochondrial complex II activity remained unchanged in response to (PhSe)₂ treatment. Ebs and (PhTe)₂ caused a significant concentration-dependent inhibition of complex II that was also blunted by GSH. Mitochondrial complex IV activity was not modified by organochalcogens. Collectively, Ebs, (PhSe)₂ and (PhTe)₂ were more effective inhibitors of brain mitochondrial complex I than of complex II, whereas they did not affect complex IV. These observations are consistent with organochalcogens inducing mitochondrial complex I and II inhibition via their thiol-oxidase-like activity, with Ebs, (PhSe)₂ and (PhTe)₂ effectively oxidising critical thiol groups of these complexes.
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Affiliation(s)
- Robson Luiz Puntel
- Universidade Federal do Pampa, Campus Uruguaiana BR-472 Km 7, Uruguaiana, RS 97500-970, Brazil.
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Acker CI, Souza ACG, Dos Santos MP, Mazzanti CM, Nogueira CW. Diphenyl diselenide attenuates hepatic and hematologic toxicity induced by chlorpyrifos acute exposure in rats. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2012; 19:3481-3490. [PMID: 22477165 DOI: 10.1007/s11356-012-0882-4] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/21/2011] [Accepted: 03/18/2012] [Indexed: 05/31/2023]
Abstract
PURPOSE In this study, we investigated the effect of diphenyl diselenide [(PhSe)(2)] on chlorpyrifos (CPF)-induced hepatic and hematologic toxicity in rats. METHODS Rats were pre-treated with (PhSe)(2) (5 mg/kg) via the oral route (oral gavage) once a day for 7 days. On the eighth and ninth days, rats were treated with (PhSe)(2) (5 mg/kg) 30 min prior to CPF (50 mg/kg, by subcutaneous route). The aspartate aminotransferase, alanine aminotransferase, and lactate dehydrogenase activities were determined in plasma of rats. Lipid peroxidation, protein carbonyl, and non-protein thiol levels as well as catalase, superoxide dismutase, glutathione peroxidase, glutathione reductase, and gluthatione S-transferase activities were determined in livers of rats. Hematological parameters were also determined. RESULTS The results showed that CPF caused hepatic oxidative damage, as demonstrated by an increase in lipid peroxidation and protein carbonyl levels which was associated with a decrease in antioxidant defenses. CPF exposure caused a reduction in the leukocyte, indicating hematologic toxicity. (PhSe)(2) was effective in attenuating these toxic effects caused by CPF exposure in rats. CONCLUSIONS The results indicated that (PhSe)(2) was effective in protecting the hepatic and hematologic toxicity induced by acute CPF exposure in rats.
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Affiliation(s)
- Carmine Inês Acker
- Departamento de Química, Centro de Ciências Naturais e Exatas, Universidade Federal de Santa Maria, Santa Maria, CEP 97105-900, Rio Grande do Sul, Brazil
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Dhau JS, Singh A, Singh A, Sooch BS, Brandão P, Félix V. Synthesis, characterization and X-ray structure of 3,4-lutidinyl-, 3-/4-picolyl- and pyridylselenium compounds. Inorganica Chim Acta 2012. [DOI: 10.1016/j.ica.2012.03.043] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
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Mercury toxicity on sodium pump and organoseleniums intervention: a paradox. J Biomed Biotechnol 2012; 2012:924549. [PMID: 22927724 PMCID: PMC3425867 DOI: 10.1155/2012/924549] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2012] [Accepted: 07/01/2012] [Indexed: 12/21/2022] Open
Abstract
Mercury is an environmental poison, and the damage to living system is generally severe. The severity of mercury poisoning is consequent from the fact that it targets the thiol-containing enzymes, irreversibly oxidizing their critical thiol groups, consequently leading to an inactivation of the enzyme. The Na+/K+-ATPase is a sulfhydryl protein that is sensitive to Hg2+ assault. On the other hand, organoseleniums are a class of pharmacologically promising compounds with potent antioxidant effects. While Hg2+ oxidizes sulfhydryl groups of Na+/K+-ATPase under in vitro and in vivo conditions, the organoselenium compounds inhibit Na+/K+-ATPase in vitro but enhance its activities under in vivo conditions with concomitant increase in the level of endogenous thiols. Paradoxically, it appears that these two thiol oxidants can be used to counteract one another under in vivo conditions, and this hypothesis serves as the basis for this paper.
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Toxicological evaluation of chronic exposure to the organochalcogen 3-methyl-1-phenyl-2-(phenylseleno)oct-2-en-1-one in male rats. Food Chem Toxicol 2012; 50:2450-5. [DOI: 10.1016/j.fct.2012.04.042] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2012] [Revised: 04/26/2012] [Accepted: 04/27/2012] [Indexed: 01/07/2023]
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Cavalheiro de Menezes C, Leitemperger J, Santi A, Lópes T, Veiverberg CA, Peixoto S, Bohrer Adaime M, Zanella R, Vargas Barbosa NB, Loro VL. The effects of diphenyl diselenide on oxidative stress biomarkers in Cyprinus carpio exposed to herbicide quinclorac (Facet®). ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2012; 81:91-97. [PMID: 22608528 DOI: 10.1016/j.ecoenv.2012.04.022] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/06/2012] [Revised: 04/25/2012] [Accepted: 04/26/2012] [Indexed: 06/01/2023]
Abstract
The occurrence of pollutants in the aquatic environment can produce severe toxic effects on non-target organisms, including fish. These sources of contamination are numerous and include herbicides, which represent a large group of toxic chemicals. Quinclorac, an herbicide widely applied in agriculture, induces oxidative stress due to free radical generation and changes in the antioxidant defense system. The aim of this study was to assess if dietary diphenyl diselenide (PhSe)₂ has a protective effect in tissues of fish species Cyprinus carpio exposed to the quinclorac herbicide. The fish were fed with either a standard or a diet containing 3.0 mg/Kg of diphenyl diselenide for 60 d. After were exposed to 1 mg/L of Facet® (quinclorac commercial formulation) for 192 h. At the end of the experimental period, parameters as thiobarbituric acid-reactive substance levels (TBARS), protein carbonyl, catalase (CAT), superoxide dismutase (SOD), glutathione S-transferase (GST), nonprotein thiols (NPSH) and ascorbic acid in the liver, gills, brain and muscle were evaluated in Cyprinus carpio. In fish exposed to quinclorac and feeding with standard diet TBARS levels increased in liver and gills. However, SOD activity decreases in liver whereas no alterations were observed in catalase activity in this tissue. Quinclorac also decrease GST activity in liver and brain, NPSH in brain and muscle and ascorbic acid in muscle. Concerning protein carbonyl exposed to herbicide the fish did not show any alterations. The diphenyl diselenide supplemented diet reversed these effects, preventing increases in TBARS levels in liver and gills. GST activity was recovered to control values in liver. NPSH levels in brain and muscle increased remain near to control values. These results indicated that dietary diphenyl diselenide protects tissues against quinclorac induced oxidative stress ameliorating the antioxidant properties.
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Ibrahim M, Hassan W, Meinerz DF, Leite GDO, Nogueira CW, Rocha JBT. Ethanol-induced oxidative stress: the role of binaphthyl diselenide as a potent antioxidant. Biol Trace Elem Res 2012; 147:309-14. [PMID: 22278096 DOI: 10.1007/s12011-012-9327-7] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/03/2011] [Accepted: 01/05/2012] [Indexed: 10/14/2022]
Abstract
It is widely accepted that oxidative stress plays a central role in alcohol-induced pathogenesis. The protective effect of binaphthyl diselenide (NapSe)2 was investigated in ethanol (Etoh)-induced brain injury. Thirty male adult Wistar rats were divided randomly into five groups of six animals each and treated as follows: (1) The control group received the vehicle (soy bean oil, 1 mL/kg, p.o.). (2) Ethanol group of animals was administered with ethanol (70% v/v, 2 mL/kg, p.o.). (3) (NapSe)2 1 mg/kg, 1 mL/kg plus ethanol 70% (v/v, 2 mL/kg, p.o. (5) (NapSe)2 10 mg/kg, 1 mL/kg) plus ethanol 70% (v/v, 2 mL/kg, p.o). After acute treatment, all rats were sacrificed by decapitation. Evidence for oxidative stress in rat brain was obtained from the observed levels of thiobarbituric acid reactive species, of non-protein thiol (NPSH) groups, and of ascorbic acid, as well as from the activities of catalase (CAT) and of superoxide dismutase (SOD). (NapSe)2 compensated the deficits in the antioxidant defense mechanisms (CAT, SOD, NPSH, and ascorbic acid), and suppressed lipid peroxidation in rat brain resulting from Etoh administration. It was concluded that ethanol exposure causes alterations in the antioxidant defense system and induces oxidative stress in rat brain. (NaPSe)2 at 5 mg/kg restored the antioxidant defenses in rat brain and mitigated the toxic effects of alcohol, suggesting that could be used as a potential therapeutic agent for alcohol-induced oxidative damage in rat brain.
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Affiliation(s)
- Mohammad Ibrahim
- Programa de Pós-Graduação em Ciências Biológicas-Bioquímica Toxicológica, Centro de Ciências Naturais e Exatas, Universidade Federal de Santa Maria, Santa Maria, Rio Grande do Sul, Brazil.
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Ebselen reduces hyperglycemia temporarily-induced by diazinon: a compound with insulin-mimetic properties. Chem Biol Interact 2012; 197:80-6. [PMID: 22484362 DOI: 10.1016/j.cbi.2012.03.008] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2011] [Revised: 03/19/2012] [Accepted: 03/21/2012] [Indexed: 11/23/2022]
Abstract
The present study investigated the effect of ebselen (EB) against hyperglycemia induced by the organophosphate (OPI) diazinon (DI) in rats. The insulin-mimetic properties of EB were investigated in vitro with the aim of better understanding the hypoglycemic effect of this compound. The protective effect of EB against pancreatic and hepatic damage caused by DI in rats was also appraised. In the in vivo experiments, rats were pre-treated with a single injection of EB (50mg/kg, intraperitoneal, i.p.). Afterward, animals were treated with a single injection of DI (200 mg/kg, i.p.). The parameters indicative of pancreatic and hepatic damage such as, serum amylase, lipase, aspartate aminotransferase (AST), alanine aminotransferase (ALT), alkaline phosphatase (ALP) and lactate dehydrogenase (LDH) activities as well as serum glucose levels, hepatic glycogen content and glucose-6-phosphatase (G6Pase) activity were determined. EB pre-treatment was effective in reducing serum amylase, lipase, AST, ALT, ALP, and LDH activities, protecting against pancreatic and hepatic damage. EB reduced hyperglycemia and increased hepatic glycogen content in animals exposed to DI. In the in vitro assays, EB (150 μM) or insulin (IN 10 μM, positive control) was incubated with either skeletal muscle or hepatic tissue with the aim of measuring glucose uptake, glycogen synthesis and glycogen breakdown. EB increased the glucose uptake in skeletal muscle, stimulated hepatic glycogen synthesis and inhibited glycogen breakdown in a similar way to IN. In conclusion, EB, possibly through its insulin-mimetic action, protected against pancreatic and hepatic damage caused by DI in rats.
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Ineu RP, dos Santos M, do Rêgo Barros OS, Nogueira CW, Rocha JBT, Zeni G, Pereira ME. Antioxidant activity and low toxicity of (E)-1-(1-(methylthio)-1-(selenopheny) hept-1-en-2-yl) pyrrolidin-2-one. Cell Biol Toxicol 2012; 28:213-23. [DOI: 10.1007/s10565-012-9217-y] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2011] [Accepted: 03/02/2012] [Indexed: 01/17/2023]
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Prauchner CA, Prestes ADS, da Rocha JBT. Effects of diphenyl diselenide on oxidative stress induced by sepsis in rats. Pathol Res Pract 2012; 207:554-8. [PMID: 21856092 DOI: 10.1016/j.prp.2011.06.005] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/12/2010] [Revised: 06/02/2011] [Accepted: 06/08/2011] [Indexed: 01/03/2023]
Abstract
Sepsis is a potentially deadly complication that can be caused by different factors. Actually, it is known that oxidative stress is involved in the pathogenesis of sepsis. Thus, the aim of this study was to evaluate the effect of diphenyl diselenide (PhSe)(2), an emergent compound, on oxidative stress parameters induced by sepsis in rats. Animals were pre-injected with (PhSe)(2) or vehicle. Twenty-four hours later, sepsis was induced by cecal ligation puncture (CLP). After 12 h, liver was taken for thiobarbituric acid reactive species (TBARS) measurement, δ-aminolevunic acid dehydratase (δ-ALA-D), Cu/Zn superoxide dismutase (Cu/Zn SOD) and catalase (CAT) activities assay. The sepsis increased TBARS, inhibited δ-ALA-D, activated Cu/Zn SOD and had a tendency to decrease CAT activity. However, (PhSe)(2) prevented the TBARS formation, but did not prevent the inhibition of δ-ALA-D activity in the animals with damage. Thus, this study showed that (PhSe)(2) partially prevents the oxidative stress induced by sepsis, indicating the potential of this compound as a treatment for this pathology. Nevertheless, more tests should be performed to confirm the hypothesis suggested here.
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Affiliation(s)
- Carlos A Prauchner
- Departamento de Química, Centro de Ciências Naturais e Exatas, Universidade Federal de Santa Maria, Santa Maria, RS, Brazil
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Santos Lacerda D, Oliveira Castro V, Mascarenhas M, Guerra RB, Dani C, Coitinho A, Gomez R, Funchal C. Acute administration of the organochalcogen 3-methyl-1-phenyl-2-(phenylseleno)oct-2-en-1-one induces biochemical and hematological disorders in male rats. Cell Biochem Funct 2012; 30:315-9. [DOI: 10.1002/cbf.2806] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2011] [Revised: 11/12/2011] [Accepted: 01/03/2012] [Indexed: 12/29/2022]
Affiliation(s)
| | | | | | - Robson Brum Guerra
- Instituto Federal de Educação, Ciência e Tecnologia do Rio Grande do Sul; Sertão; Rio Grande do Sul; Brazil
| | - Caroline Dani
- Centro Universitário Metodista IPA; Porto Alegre; Rio Grande do Sul; Brazil
| | - Adriana Coitinho
- Instituto de Ciências Básicas da Saúde; Universidade Federal do Rio Grande do Sul; Porto Alegre; Rio Grande do Sul; Brazil
| | - Rosane Gomez
- Instituto de Ciências Básicas da Saúde; Universidade Federal do Rio Grande do Sul; Porto Alegre; Rio Grande do Sul; Brazil
| | - Cláudia Funchal
- Centro Universitário Metodista IPA; Porto Alegre; Rio Grande do Sul; Brazil
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de Freitas AS, Rocha JBT. Diphenyl diselenide and analogs are substrates of cerebral rat thioredoxin reductase: A pathway for their neuroprotective effects. Neurosci Lett 2011; 503:1-5. [DOI: 10.1016/j.neulet.2011.07.050] [Citation(s) in RCA: 55] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2011] [Revised: 07/14/2011] [Accepted: 07/26/2011] [Indexed: 02/05/2023]
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Diphenyl Diselenide Effectively Reduces Atherosclerotic Lesions in LDLr −/− Mice by Attenuation of Oxidative Stress and Inflammation. J Cardiovasc Pharmacol 2011; 58:91-101. [DOI: 10.1097/fjc.0b013e31821d1149] [Citation(s) in RCA: 54] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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46
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Toxicology and pharmacology of selenium: emphasis on synthetic organoselenium compounds. Arch Toxicol 2011; 85:1313-59. [DOI: 10.1007/s00204-011-0720-3] [Citation(s) in RCA: 330] [Impact Index Per Article: 25.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2011] [Accepted: 05/18/2011] [Indexed: 02/07/2023]
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Gámez JA, Yáñez M. Electron Attachment to Diselenides Revisited: Se–Se Bond Cleavage Is Neither Adiabatic nor the Most Favorable Process. J Chem Theory Comput 2011; 7:1726-35. [DOI: 10.1021/ct2002286] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Affiliation(s)
- José A. Gámez
- Departamento de Química, Módulo 13, Facultad de Ciencias, Universidad Autónoma de Madrid, Campus de Excelencia UAM-CSIC, Cantoblanco, 28049-Madrid, Spain
| | - Manuel Yáñez
- Departamento de Química, Módulo 13, Facultad de Ciencias, Universidad Autónoma de Madrid, Campus de Excelencia UAM-CSIC, Cantoblanco, 28049-Madrid, Spain
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da Rocha JT, Pinton S, Mazzanti A, Mazzanti CM, Beckemann DV, Nogueira CW, Zeni G. Effects of diphenyl diselenide on lipid profile and hepatic oxidative stress parameters in ovariectomized female rats. J Pharm Pharmacol 2011; 63:663-9. [DOI: 10.1111/j.2042-7158.2011.01255.x] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
Abstract
Abstract
Objectives
Ovarian hormone decline after menopause is linked to many pathophysiological reactions. Female rats submitted to ovariectomy are employed as a model of post-menopausal condition. This study investigated the effects of diphenyl diselenide (PhSe)2 on body weight gain, intra-abdominal fat deposition, plasma lipid profile and hepatic oxidative stress in ovariectomized rats.
Methods
Female adult Wistar rats were ovariectomized (OVX rats) or sham-operated and divided into four groups: (i) sham-operated, (ii) (PhSe)2, (iii) OVX and (iv) OVX + (PhSe)2. (PhSe)2 (5 mg/kg; 5 ml/kg, p.o.) was administered once a day for 30 days to groups (ii) and (iv). After that, rats were anaesthetized for blood sample gathering and submitted to euthanasia.
Key findings
(PhSe)2 (5 mg/kg) was effective in preventing the rise in body weight gain and intra-abdominal fat deposition induced in OVX rats. Although (PhSe)2 was not effective in avoiding the increase in plasma total cholesterol and non-HDL levels induced in OVX rats, (PhSe)2 reduced plasma triglycerides and augmented HDL levels in OVX rats. (PhSe)2 also increased hepatic ascorbic acid levels, reduced glutathione content, glutathione S-transferase activity and restored catalase activity in liver of OVX rats.
Conclusions
These findings suggest that (PhSe)2 could be a promising alternative to minimize menopause related symptoms.
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Affiliation(s)
- Juliana Trevisan da Rocha
- Laboratório de Síntese, Reatividade e Avaliação Farmacológica e Toxicológica de Organocalcogênios, Centro de Ciências Naturais e Exatas, Santa Maria, RS, Brazil
| | - Simone Pinton
- Laboratório de Síntese, Reatividade e Avaliação Farmacológica e Toxicológica de Organocalcogênios, Centro de Ciências Naturais e Exatas, Santa Maria, RS, Brazil
| | - Alexandre Mazzanti
- Laboratório de Cirurgia Experimental – DCPA, Centro de Ciências Rurais, Universidade Federal de Santa Maria, Santa Maria, RS, Brazil
| | - Cinthia Melazzo Mazzanti
- Laboratório de Cirurgia Experimental – DCPA, Centro de Ciências Rurais, Universidade Federal de Santa Maria, Santa Maria, RS, Brazil
| | - Diego Vilibaldo Beckemann
- Laboratório de Cirurgia Experimental – DCPA, Centro de Ciências Rurais, Universidade Federal de Santa Maria, Santa Maria, RS, Brazil
| | - Cristina Wayne Nogueira
- Laboratório de Síntese, Reatividade e Avaliação Farmacológica e Toxicológica de Organocalcogênios, Centro de Ciências Naturais e Exatas, Santa Maria, RS, Brazil
| | - Gilson Zeni
- Laboratório de Síntese, Reatividade e Avaliação Farmacológica e Toxicológica de Organocalcogênios, Centro de Ciências Naturais e Exatas, Santa Maria, RS, Brazil
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Brandão R, Moresco RN, Bellé LP, Leite MR, Freitas ML, Bianchini A, Nogueira CW. Diphenyl diselenide potentiates nephrotoxicity induced by mercuric chloride in mice. J Appl Toxicol 2011; 31:773-82. [DOI: 10.1002/jat.1631] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2010] [Revised: 10/27/2010] [Accepted: 10/27/2010] [Indexed: 11/12/2022]
Affiliation(s)
- Ricardo Brandão
- Departamento de Análises Clínicas e Toxicológicas; Centro de Ciências da Saúde; Universidade Federal de Santa Maria; CEP 97105-900; Santa Maria; RS; Brazil
| | - Rafael N. Moresco
- Departamento de Análises Clínicas e Toxicológicas; Centro de Ciências da Saúde; Universidade Federal de Santa Maria; CEP 97105-900; Santa Maria; RS; Brazil
| | - Luziane P. Bellé
- Departamento de Análises Clínicas e Toxicológicas; Centro de Ciências da Saúde; Universidade Federal de Santa Maria; CEP 97105-900; Santa Maria; RS; Brazil
| | - Marlon R. Leite
- Departamento de Química; Centro de Ciências Naturais e Exatas; Universidade Federal de Santa Maria; CEP 97105-900; Santa Maria; RS; Brazil
| | - Mayara L. Freitas
- Departamento de Química; Centro de Ciências Naturais e Exatas; Universidade Federal de Santa Maria; CEP 97105-900; Santa Maria; RS; Brazil
| | - Adalto Bianchini
- Departamento de Ciências Fisiológicas; Universidade Federal do Rio Grande-FURG; CEP 96201-900; Rio Grande; RS; Brazil
| | - Cristina W. Nogueira
- Departamento de Química; Centro de Ciências Naturais e Exatas; Universidade Federal de Santa Maria; CEP 97105-900; Santa Maria; RS; Brazil
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Posser T, de Paula MT, Franco JL, Leal RB, da Rocha JBT. Diphenyl diselenide induces apoptotic cell death and modulates ERK1/2 phosphorylation in human neuroblastoma SH-SY5Y cells. Arch Toxicol 2010; 85:645-51. [PMID: 20924558 DOI: 10.1007/s00204-010-0602-0] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2010] [Accepted: 09/22/2010] [Indexed: 01/06/2023]
Abstract
Diphenyl diselenide (PhSe)(2) is a synthetic organoselenium compound displaying glutathione peroxidase-like activity. Protective and antioxidant potential of (PhSe)(2) have been extensively investigated in in vivo and in vitro studies. In spite of this, there is a lack of studies addressed to the investigation of potential cytotoxic effect and signaling pathways modulated by this compound. Herein, we aimed to analyze the effects of 24-h treatment with (PhSe)(2) on cell viability and a possible modulation of signaling pathways in human neuroblastoma cell line SH-SY5Y. For this purpose, cells were incubated with (PhSe)(2) (0.3-30 μM) for 24 h and cell viability, apoptotic cell death and modulation of MAPKs (ERK1/2 and p38(MAPK)), and PKC substrates phosphorylation was determined. (PhSe)(2) treatment significantly decreased cell viability and increased the number of apoptotic cells with induction of PARP cleavage. An increase in ERK1/2 phosphorylation was observed at (PhSe)(2) 3 μM. In contrast, higher concentrations of the chalcogenide inhibited ERK1/2, p38(MAPK) and PKC substrate phosphorylation. Pre-treatment with ERK1/2 inhibitor, U0126, increased cell susceptibility to (PhSe)(2). Together, these data indicate a cytotoxic potential of (PhSe)(2) in a neuronal cell line, which appears to be mediated by the ERK1/2 pathway.
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Affiliation(s)
- Thaís Posser
- Departamento de Química, Centro de Ciências Naturais e Exatas, Universidade Federal de Santa Maria, Santa Maria, RS, 97105-900, Brazil.
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