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Barbosa MDM, de Lima LMA, Alves WADS, de Lima EKB, da Silva LA, da Silva TD, Postal K, Ramadan M, Kostenkova K, Gomes DA, Nunes GG, Pereira MC, da Silva WE, Belian MF, Crans DC, Lira EC. In Vitro, Oral Acute, and Repeated 28-Day Oral Dose Toxicity of a Mixed-Valence Polyoxovanadate Cluster. Pharmaceuticals (Basel) 2023; 16:1232. [PMID: 37765040 PMCID: PMC10536805 DOI: 10.3390/ph16091232] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2023] [Revised: 07/21/2023] [Accepted: 08/13/2023] [Indexed: 09/29/2023] Open
Abstract
Polyoxovanadates (POV) are a subgroup of polyoxometalates (POM), which are nanosized clusters with reported biological activities. This manuscript describes the first toxicity evaluation of a mixed-valence polyoxovanadate, pentadecavanadate, (Me4N)6[V15O36Cl], abbreviated as V15. Cytotoxicity experiments using peripheral blood mononuclear cells (PBMC), larvae of Artemia salina Leach, and in vivo oral acute and repeated 28-day doses in mice was carried out. The LC50 values in PBMC cells and A. salina were 17.5 ± 5.8 μmol L-1, and 17.9 µg L-1, respectively, which indicates high cytotoxic activity. The toxicity in mice was not observed upon acute exposure in a single dose, however, the V15 repeated 28-day oral administration demonstrated high toxicity using 25 mg/kg, 50 mg/kg and, 300 mg/kg doses. The biochemical and hematological analyses during the 28-day administration of V15 showed significant alteration of the metabolic parameters related to the kidney and liver, suggesting moderate toxicity. The V15 toxicity was attributed to the oxidative stress and lipid peroxidation, once thiobarbituric acid (TBAR) levels significantly increased in both males and females treated with high doses of the POV and also in males treated with a lower dose of the POV. This is the first study reporting a treatment-related mortality in animals acutely administrated with a mixed-valence POV, contrasting with the well-known, less toxic decavanadate. These results document the toxicity of this mixed-valence POV, which may not be suitable for biomedical applications.
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Affiliation(s)
- Mariana de M. Barbosa
- Centro de Biociências, Departamento de Fisiologia e Farmacologia, Universidade Federal de Pernambuco, Recife 50670-901, PE, Brazil; (M.d.M.B.); (W.A.d.S.A.); (E.K.B.d.L.); (L.A.d.S.); (T.D.d.S.); (D.A.G.); (M.C.P.)
| | - Lidiane M. A. de Lima
- Departamento de Química, Universidade Federal Rural de Pernambuco, Recife 52171-900, PE, Brazil; (L.M.A.d.L.); (W.E.d.S.); (M.F.B.)
| | - Widarlane A. da S. Alves
- Centro de Biociências, Departamento de Fisiologia e Farmacologia, Universidade Federal de Pernambuco, Recife 50670-901, PE, Brazil; (M.d.M.B.); (W.A.d.S.A.); (E.K.B.d.L.); (L.A.d.S.); (T.D.d.S.); (D.A.G.); (M.C.P.)
| | - Eucilene K. B. de Lima
- Centro de Biociências, Departamento de Fisiologia e Farmacologia, Universidade Federal de Pernambuco, Recife 50670-901, PE, Brazil; (M.d.M.B.); (W.A.d.S.A.); (E.K.B.d.L.); (L.A.d.S.); (T.D.d.S.); (D.A.G.); (M.C.P.)
| | - Luzia A. da Silva
- Centro de Biociências, Departamento de Fisiologia e Farmacologia, Universidade Federal de Pernambuco, Recife 50670-901, PE, Brazil; (M.d.M.B.); (W.A.d.S.A.); (E.K.B.d.L.); (L.A.d.S.); (T.D.d.S.); (D.A.G.); (M.C.P.)
| | - Thiago D. da Silva
- Centro de Biociências, Departamento de Fisiologia e Farmacologia, Universidade Federal de Pernambuco, Recife 50670-901, PE, Brazil; (M.d.M.B.); (W.A.d.S.A.); (E.K.B.d.L.); (L.A.d.S.); (T.D.d.S.); (D.A.G.); (M.C.P.)
| | - Kahoana Postal
- Centro Politécnico, Departamento de Química, Universidade Federal do Paraná, Curitiba 81530-900, PR, Brazil; (K.P.); (G.G.N.)
| | - Mohammad Ramadan
- Department of Chemistry, Colorado State University, Fort Collins, CO 80523, USA; (M.R.); (K.K.)
| | - Kateryna Kostenkova
- Department of Chemistry, Colorado State University, Fort Collins, CO 80523, USA; (M.R.); (K.K.)
| | - Dayane A. Gomes
- Centro de Biociências, Departamento de Fisiologia e Farmacologia, Universidade Federal de Pernambuco, Recife 50670-901, PE, Brazil; (M.d.M.B.); (W.A.d.S.A.); (E.K.B.d.L.); (L.A.d.S.); (T.D.d.S.); (D.A.G.); (M.C.P.)
| | - Giovana G. Nunes
- Centro Politécnico, Departamento de Química, Universidade Federal do Paraná, Curitiba 81530-900, PR, Brazil; (K.P.); (G.G.N.)
| | - Michelly C. Pereira
- Centro de Biociências, Departamento de Fisiologia e Farmacologia, Universidade Federal de Pernambuco, Recife 50670-901, PE, Brazil; (M.d.M.B.); (W.A.d.S.A.); (E.K.B.d.L.); (L.A.d.S.); (T.D.d.S.); (D.A.G.); (M.C.P.)
| | - Wagner E. da Silva
- Departamento de Química, Universidade Federal Rural de Pernambuco, Recife 52171-900, PE, Brazil; (L.M.A.d.L.); (W.E.d.S.); (M.F.B.)
| | - Mônica F. Belian
- Departamento de Química, Universidade Federal Rural de Pernambuco, Recife 52171-900, PE, Brazil; (L.M.A.d.L.); (W.E.d.S.); (M.F.B.)
| | - Debbie C. Crans
- Department of Chemistry, Colorado State University, Fort Collins, CO 80523, USA; (M.R.); (K.K.)
- Cell and Molecular Biology Program, Colorado State University, Fort Collins, CO 80523, USA
| | - Eduardo C. Lira
- Centro de Biociências, Departamento de Fisiologia e Farmacologia, Universidade Federal de Pernambuco, Recife 50670-901, PE, Brazil; (M.d.M.B.); (W.A.d.S.A.); (E.K.B.d.L.); (L.A.d.S.); (T.D.d.S.); (D.A.G.); (M.C.P.)
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Aureliano M, Gumerova NI, Sciortino G, Garribba E, McLauchlan CC, Rompel A, Crans DC. Polyoxidovanadates' interactions with proteins: An overview. Coord Chem Rev 2022. [DOI: 10.1016/j.ccr.2021.214344] [Citation(s) in RCA: 52] [Impact Index Per Article: 26.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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Santos J, Barreto Â, Almeida C, Azevedo C, Domingues I, Amorim MJB, Maria VL. Toxicity of boron and vanadium nanoparticles on Danio rerio embryos - Phenotypical, biochemical, and behavioral alterations. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2021; 238:105930. [PMID: 34364155 DOI: 10.1016/j.aquatox.2021.105930] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/24/2020] [Revised: 07/26/2021] [Accepted: 07/27/2021] [Indexed: 06/13/2023]
Abstract
Engineered nanoparticles (NPs) are emerging contaminants of concern and it is important to understand their environmental behavior and ecological risks to exposed organisms. Despite their ubiquitous presence in the environment, there is little information about the hazards of certain NPs, such as boron (BNPs) and vanadium (VNPs). The aim of the present research was to investigate the effects of commercial BNPs and VNPs (80 to 100 nm) to zebrafish embryos, at different levels of biological organization. A range of nominal concentrations for both NPs (0, 0.01, 0.1, 1, and 10 mg/L) was tested. Due to the presence of triton X-100 in the NPs' stock dispersions, an additional control group was included (0.001% triton X-100). Survival, hatching, and malformations of embryos were assessed for 96 hours (h) exposure. Locomotor behavior was evaluated at 120 h. Furthermore, embryos were exposed to 0, 1, and 10 mg/L of NPs to evaluate a set of biomarker responses after 96 h: cholinesterase (ChE) and glutathione S-transferase (GST) activities, total glutathione (TG) and energy budgets levels. VNPs induced malformations (10 mg/L), hyperactivity (10 mg/L), erratic swimming (0.01 mg/L), altered swimming pattern (>0.01 mg/L), delayed hatching (10 mg/L) and altered biochemical responses involved in antioxidant defense (GST and TG at >1 mg/L), neurotransmission (ChE at 10 mg/L) and energy metabolism (lipids at >1 mg/L and carbohydrates at 10 mg/L). BNPs caused malformations (10 mg/L), affected swimming pattern (>0.01 mg/L), induced erratic swimming (10 mg/L) and decreased TG content and GST activity (>1 mg/L). At the same concentrations, VNPs affected a greater number of endpoints than BNPs, demonstrating a greater toxicity to zebrafish embryos. The present study shows that BNPs and VNPs may affect aquatic organisms, albeit at relatively great non-environmentally relevant concentrations, reinforcing the importance of the risk assessment of different NPs.
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Affiliation(s)
- Joana Santos
- Department of Biology & CESAM, University of Aveiro, 3810-193 Aveiro, Portugal.
| | - Ângela Barreto
- Department of Biology & CESAM, University of Aveiro, 3810-193 Aveiro, Portugal.
| | - Célia Almeida
- Department of Biology & CESAM, University of Aveiro, 3810-193 Aveiro, Portugal.
| | - Cátia Azevedo
- Department of Biology & CESAM, University of Aveiro, 3810-193 Aveiro, Portugal.
| | - Inês Domingues
- Department of Biology & CESAM, University of Aveiro, 3810-193 Aveiro, Portugal.
| | - Mónica J B Amorim
- Department of Biology & CESAM, University of Aveiro, 3810-193 Aveiro, Portugal.
| | - Vera L Maria
- Department of Biology & CESAM, University of Aveiro, 3810-193 Aveiro, Portugal.
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Wang JP, Cui RY, Ding XM, Bai SP, Zeng QF, Peng HW, Zhang KY. Vanadium in high-fat diets sourced from egg yolk decreases growth and antioxidative status of Wistar rats. ANIMAL NUTRITION (ZHONGGUO XU MU SHOU YI XUE HUI) 2019; 5:307-313. [PMID: 31528734 PMCID: PMC6737509 DOI: 10.1016/j.aninu.2019.05.007] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/10/2018] [Revised: 02/01/2019] [Accepted: 05/29/2019] [Indexed: 11/30/2022]
Abstract
The objective of this paper was to evaluate the effect of vanadium (V) in high-fat diets sourced from egg yolk on body weight gain, feed intake, blood characteristics and antioxidative status of Wistar rats. A total of 72 female Wistar rats were allocated according to a 2 × 4 factorial design throughout a 5-wk trial, including 2 levels of dietary fat (normal and high; ether extract 40.3 and 301.2 g/kg; fat sourced from egg yolk) and 4 levels of dietary V (0, 3, 15 and 30 mg/kg). Vanadium decreased (P ≤ 0.05) body weight gain (V at 30mg/kg during wk 1 and 2; V at 15 and 30 mg/kg during the overall phase), feed intake (V at 30 mg/kg during wk 3 and the overall phase; V at 15 and 30 mg/kg during wk 4), but increased the relative weight of liver (V at 30 mg/kg, P ≤ 0.05). Moreover, increasing dietary V significantly increased (P ≤ 0.05) plasma aspartate aminotransferase, alanine aminotransferase and malondialdehyde levels and decreased triglyceride level, and V at 30 mg/kg in high-fat treatment had the highest or lowest values (interaction, P ≤ 0.05). Under the same dietary V dose, V residual content in liver (dietary V at 15 and 30 mg/kg) and kidney (dietary V at 15 mg/kg) was higher in high-fat diet treatment compared with normal-fat diet treatment (P ≤ 0.05). In conclusion, it is suggested that V could decrease the body weight together with the feed intake, and the high fat could enhance oxidative stress induced by V of Wistar rats.
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Affiliation(s)
- Jian-Ping Wang
- Animal Nutrition Institute, Key Laboratory of Animal Disease-Resistance Nutrition, Ministry of Education, Ministry of Agriculture and Sichuan Province, Sichuan Agricultural University, Chengdu, 611130, China
| | - Ren-Yong Cui
- Animal Nutrition Institute, Key Laboratory of Animal Disease-Resistance Nutrition, Ministry of Education, Ministry of Agriculture and Sichuan Province, Sichuan Agricultural University, Chengdu, 611130, China
| | - Xue-Mei Ding
- Animal Nutrition Institute, Key Laboratory of Animal Disease-Resistance Nutrition, Ministry of Education, Ministry of Agriculture and Sichuan Province, Sichuan Agricultural University, Chengdu, 611130, China
| | - Shi-Ping Bai
- Animal Nutrition Institute, Key Laboratory of Animal Disease-Resistance Nutrition, Ministry of Education, Ministry of Agriculture and Sichuan Province, Sichuan Agricultural University, Chengdu, 611130, China
| | - Qiu-Feng Zeng
- Animal Nutrition Institute, Key Laboratory of Animal Disease-Resistance Nutrition, Ministry of Education, Ministry of Agriculture and Sichuan Province, Sichuan Agricultural University, Chengdu, 611130, China
| | - Huan-Wei Peng
- Animal Nutrition Institute, Key Laboratory of Animal Disease-Resistance Nutrition, Ministry of Education, Ministry of Agriculture and Sichuan Province, Sichuan Agricultural University, Chengdu, 611130, China
| | - Ke-Ying Zhang
- Animal Nutrition Institute, Key Laboratory of Animal Disease-Resistance Nutrition, Ministry of Education, Ministry of Agriculture and Sichuan Province, Sichuan Agricultural University, Chengdu, 611130, China
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Marques-da-Silva D, Fraqueza G, Lagoa R, Vannathan AA, Mal SS, Aureliano M. Polyoxovanadate inhibition of Escherichia coli growth shows a reverse correlation with Ca2+-ATPase inhibition. NEW J CHEM 2019. [DOI: 10.1039/c9nj01208g] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Polyoxovanadates were recently found to be the most active among a series of polyoxometalates against bacteria. In this study, a reverse correlation was found between the Ca2+-ATPase IC50 and the E. Coli GI50 values.
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Affiliation(s)
- Dorinda Marques-da-Silva
- ESTG, Polytechnic Institute of Leiria
- Portugal
- UCIBIO, Faculty of Science and Technology
- University NOVA of Lisbon
- Portugal
| | - Gil Fraqueza
- ISE, University of Algarve
- 8005-139 Faro
- Portugal
- CCMar, University of Algarve
- 8005-139 Faro
| | - Ricardo Lagoa
- ESTG, Polytechnic Institute of Leiria
- Portugal
- UCIBIO, Faculty of Science and Technology
- University NOVA of Lisbon
- Portugal
| | | | - Sib Sankar Mal
- Department of Chemistry
- National Institute of Technology Karnataka
- Mangalore 575025
- India
| | - Manuel Aureliano
- CCMar, University of Algarve
- 8005-139 Faro
- Portugal
- FCT
- University of Algarve
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Treviño S, Díaz A, Sánchez-Lara E, Sarmiento-Ortega VE, Flores-Hernández JÁ, Brambila E, Meléndez FJ, González-Vergara E. Pharmacological and Toxicological Threshold of Bisammonium Tetrakis 4-( N, N-Dimethylamino)pyridinium Decavanadate in a Rat Model of Metabolic Syndrome and Insulin Resistance. Bioinorg Chem Appl 2018; 2018:2151079. [PMID: 30026756 PMCID: PMC6031092 DOI: 10.1155/2018/2151079] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2018] [Revised: 04/06/2018] [Accepted: 04/18/2018] [Indexed: 01/02/2023] Open
Abstract
Vanadium(IV/V) compounds have been studied as possible metallopharmaceutical drugs against diabetes mellitus. However, mechanisms of action and toxicological threshold have been tackled poorly so far. In this paper, our purposes were to evaluate the metabolic activity on dyslipidemia and dysglycemia, insulin signaling in liver and adipose tissue, and toxicology of the title compound. To do so, the previously reported bisammonium tetrakis 4-(N,N-dimethylamino)pyridinium decavanadate, the formula of which is [DMAPH]4(NH4)2[V10O28]·8H2O (where DMAPH is 4-dimethylaminopyridinium ion), was synthesized, and its dose-response curve on hyperglycemic rats was evaluated. A Long-Evans rat model showing dyslipidemia and dysglycemia with parameters that reproduce metabolic syndrome and severe insulin resistance was generated. Two different dosages, 5 µmol and 10 µmol twice a week of the title compound (equivalent to 2.43 mg·V/kg/day and 4.86 mg·V/kg/day, resp.), were administered intraperitoneal (i.p.) for two months. Then, an improvement on each of the following parameters was observed at a 5 µmol dose: weight reduction, abdominal perimeter, fatty index, body mass index, oral glucose tolerance test, lipid profile, and adipokine and insulin resistance indexes. Nevertheless, when the toxicological profile was evaluated at a 10 µmol dose, it did not show complete improvement, tested by the liver and adipose histology, as well as by insulin receptor phosphorylation and GLUT-4 expression. In conclusion, the title compound administration produces regulation on lipids and carbohydrates, regardless of dose, but the pharmacological and toxicological threshold for cell regulation are suggested to be up to 5 µmol (2.43 mg·V/kg/day) dose twice per week.
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Affiliation(s)
- Samuel Treviño
- Facultad de Ciencias Químicas, Benemérita Universidad Autónoma de Puebla, 14 Sur y Av. San Claudio, Col. San Manuel, 72570 Puebla, PUE, Mexico
| | - Alfonso Díaz
- Facultad de Ciencias Químicas, Benemérita Universidad Autónoma de Puebla, 14 Sur y Av. San Claudio, Col. San Manuel, 72570 Puebla, PUE, Mexico
| | - Eduardo Sánchez-Lara
- Centro de Química, ICUAP, Benemérita Universidad Autónoma de Puebla, 14 Sur y Av. San Claudio, Col. San Manuel, 72570 Puebla, PUE, Mexico
| | - Víctor Enrique Sarmiento-Ortega
- Facultad de Ciencias Químicas, Benemérita Universidad Autónoma de Puebla, 14 Sur y Av. San Claudio, Col. San Manuel, 72570 Puebla, PUE, Mexico
| | - José Ángel Flores-Hernández
- Facultad de Ciencias Químicas, Benemérita Universidad Autónoma de Puebla, 14 Sur y Av. San Claudio, Col. San Manuel, 72570 Puebla, PUE, Mexico
| | - Eduardo Brambila
- Facultad de Ciencias Químicas, Benemérita Universidad Autónoma de Puebla, 14 Sur y Av. San Claudio, Col. San Manuel, 72570 Puebla, PUE, Mexico
| | - Francisco J. Meléndez
- Facultad de Ciencias Químicas, Benemérita Universidad Autónoma de Puebla, 14 Sur y Av. San Claudio, Col. San Manuel, 72570 Puebla, PUE, Mexico
| | - Enrique González-Vergara
- Centro de Química, ICUAP, Benemérita Universidad Autónoma de Puebla, 14 Sur y Av. San Claudio, Col. San Manuel, 72570 Puebla, PUE, Mexico
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Mohan DS, Arumugam S, Ramaiah S. Diversification and microscopic structure of tissues in endemic and endangered species of Dawkinsia tambraparniei from the river Tamiraparani, Tamil Nadu, India. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2018; 25:6570-6583. [PMID: 29255982 DOI: 10.1007/s11356-017-0896-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/13/2017] [Accepted: 12/01/2017] [Indexed: 06/07/2023]
Abstract
We investigated the study on the endemic and endangered species of Dawkinsia tambraparniei were confined only the areas of the river Tamiraparani. These species are under threats due to the menace of anthropogenic stress. To recognize the crisis behind the particular species, it was analyzed histologically and molecularly from the five pollutant levels of river Tamiraparani. Histologically, the microscopic examinations were also carried out from the crucial organs such as the brain, gill, heart, kidney, and liver, which confirm the spiky survivability of the endemic fish. Assessment of fish organ damages was observed highly in Kokkirakulam and Vannarapettai. Probably with conserved molecular sequences, the species can be identified out from the encountered surveillance of the particular taxa leading to the evolutionary circumstances. The phylogenetic analysis of Dawkinsia tambraparniei populations showed that Cheranmadevi and Vallandau sites populations were closely distributed. Even though the species have similarity sequences of each population were shown that the closely related with same genus but other sub-species. The observed results emphasize the conventional measures to conserve the endemic species and more effectual planning to the proximity of endurances in inhabited zone.
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Affiliation(s)
- Divya Sapphire Mohan
- Sri Paramakalyani Centre of Excellence in Environmental Sciences, Manonmaniam Sundaranar University, Alwarkurichi, Tamil Nadu, 627412, India
| | - Sabaridasan Arumugam
- PG and Research Department of Biotechnology, Sri Vinayaga College of Arts and Science, Ulundurpet, Villupuram District, Tamil Nadu, India
| | - Soranam Ramaiah
- Sri Paramakalyani Centre of Excellence in Environmental Sciences, Manonmaniam Sundaranar University, Alwarkurichi, Tamil Nadu, 627412, India.
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Bijelic A, Aureliano M, Rompel A. The antibacterial activity of polyoxometalates: structures, antibiotic effects and future perspectives. Chem Commun (Camb) 2018; 54:1153-1169. [PMID: 29355262 PMCID: PMC5804480 DOI: 10.1039/c7cc07549a] [Citation(s) in RCA: 229] [Impact Index Per Article: 38.2] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2017] [Accepted: 01/02/2018] [Indexed: 02/05/2023]
Abstract
Polyoxometalates (POMs) are, mostly anionic, metal oxide compounds that span a wide range of tunable physical and chemical features rendering them very interesting for biological purposes, an continuously emerging but little explored field. Due to their biological and biochemical effects, including antitumor, -viral and -bacterial properties, POMs and POM-based systems are considered as promising future metallodrugs. In this article, we focus on the antibacterial activity of POMs and their therapeutic potential in the battle against bacteria and their increasing resistance against pharmaceuticals. Recent advances in the synthesis of POMs are highlighted, with emphasis on the development and properties of biologically active POM-based hybrid and nanocomposite structures. By analysing the antibacterial activity and structure of POMs, putative mode of actions are provided, including potential targets for POM-protein interactions, and a structure-activity-relationship was established for a series of POMs against two bacteria, namely Helicobacter pylori and Streptococcus pneumoniae.
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Affiliation(s)
- Aleksandar Bijelic
- Universität Wien , Fakultät für Chemie , Institut für Biophysikalische Chemie , Althanstraße 14 , 1090 Wien , Austria . ; http://www.bpc.univie.ac.at
| | - Manuel Aureliano
- CCMar , FCT , Faculdade de Ciências e Tecnologia , Universidade do Algarve , 8000-139 Faro , Portugal
| | - Annette Rompel
- Universität Wien , Fakultät für Chemie , Institut für Biophysikalische Chemie , Althanstraße 14 , 1090 Wien , Austria . ; http://www.bpc.univie.ac.at
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Jiang P, Liu Q, Ni Z, Wei Q, Li X, Xing S, Kong D, Li M. Primary study on the toxic mechanism of vanadyl trehalose in Kunming mice. Regul Toxicol Pharmacol 2018; 94:1-7. [PMID: 29305949 DOI: 10.1016/j.yrtph.2017.12.025] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2017] [Revised: 12/27/2017] [Accepted: 12/31/2017] [Indexed: 12/12/2022]
Abstract
It has been shown that vanadyl trehalose could lower blood glucose but show mild toxicity to the stomach and intestine in diabetic Kunming mice. We analysed antioxidant levels, pro-inflammatory cytokine expression, apoptosis factors and intestinal microflora alteration to explore the mechanism of vanadyl trehalose toxicity in Kunming mice. The results revealed that oral administration of vanadyl trehalose at tested dose caused significant changes in oxidative stress factor (MDA levels elevated but SOD and T-AOC decreased), expression of inflammatory factor (IL-1β, COX-2, TNF-α and iNOS increased), and apoptosis factor (Bcl-2/Bax decreased and caspase-3 increased), and intestinal microflora dysbiosis (the number of Enterobacteriaceae and Enterococcus increased and Lactobacillus and Bifidobacterium decreased) relative to the control of Kunming mice. These results suggest that the toxic mechanisms of vanadyl trehalose on the stomach and intestine likely involve activation of the oxidative stress system, increased inflammatory response, promotion of apoptosis and the disruption of the normal intestinal microflora.
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Affiliation(s)
- Pingzhe Jiang
- Key Laboratory for Bioactive Materials of the Ministry of Education, Institute of Molecular Biology, College of Life Science, Nankai University, 300071, Tianjin, China; State Key Laboratory of Medicinal Chemical Biology, Nankai University, 300071, Tianjin, China
| | - Qiqi Liu
- Key Laboratory for Bioactive Materials of the Ministry of Education, Institute of Molecular Biology, College of Life Science, Nankai University, 300071, Tianjin, China; State Key Laboratory of Medicinal Chemical Biology, Nankai University, 300071, Tianjin, China
| | - Zaizhong Ni
- Key Laboratory for Bioactive Materials of the Ministry of Education, Institute of Molecular Biology, College of Life Science, Nankai University, 300071, Tianjin, China; State Key Laboratory of Medicinal Chemical Biology, Nankai University, 300071, Tianjin, China
| | - Qian Wei
- Key Laboratory for Bioactive Materials of the Ministry of Education, Institute of Molecular Biology, College of Life Science, Nankai University, 300071, Tianjin, China; State Key Laboratory of Medicinal Chemical Biology, Nankai University, 300071, Tianjin, China
| | - Xiaodan Li
- Key Laboratory for Bioactive Materials of the Ministry of Education, Institute of Molecular Biology, College of Life Science, Nankai University, 300071, Tianjin, China; State Key Laboratory of Medicinal Chemical Biology, Nankai University, 300071, Tianjin, China
| | - Shuguang Xing
- Key Laboratory for Bioactive Materials of the Ministry of Education, Institute of Molecular Biology, College of Life Science, Nankai University, 300071, Tianjin, China; State Key Laboratory of Medicinal Chemical Biology, Nankai University, 300071, Tianjin, China
| | - Deling Kong
- Key Laboratory for Bioactive Materials of the Ministry of Education, Institute of Molecular Biology, College of Life Science, Nankai University, 300071, Tianjin, China; State Key Laboratory of Medicinal Chemical Biology, Nankai University, 300071, Tianjin, China
| | - Minggang Li
- Key Laboratory for Bioactive Materials of the Ministry of Education, Institute of Molecular Biology, College of Life Science, Nankai University, 300071, Tianjin, China; State Key Laboratory of Medicinal Chemical Biology, Nankai University, 300071, Tianjin, China.
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Aureliano M, Ohlin CA, Vieira MO, Marques MPM, Casey WH, Batista de Carvalho LAE. Characterization of decavanadate and decaniobate solutions by Raman spectroscopy. Dalton Trans 2016; 45:7391-9. [PMID: 27031764 DOI: 10.1039/c5dt04176g] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
The decaniobate ion, (Nb10 = [Nb10O28](6-)) being isoelectronic and isostructural with the decavanadate ion (V10 = [V10O28](6-)), but chemically and electrochemically more inert, has been useful in advancing the understanding of V10 toxicology and pharmacological activities. In the present study, the solution chemistry of Nb10 and V10 between pH 4 and 12 is studied by Raman spectroscopy. The Raman spectra of V10 show that this vanadate species dominates up to pH 6.45 whereas it remains detectable until pH 8.59, which is an important range for biochemistry. Similarly, Nb10 is present between pH 5.49 and 9.90 and this species remains detectable in solution up to pH 10.80. V10 dissociates at most pH values into smaller tetrahedral vanadate oligomers such as V1 and V2, whereas Nb10 dissociates into Nb6 under mildly (10 > pH > 7.6) or highly alkaline conditions. Solutions of V10 and Nb10 are both kinetically stable under basic pH conditions for at least two weeks and at moderate temperature. The Raman method provides a means of establishing speciation in the difficult niobate system and these findings have important consequences for toxicology activities and pharmacological applications of vanadate and niobate polyoxometalates.
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Affiliation(s)
- Manuel Aureliano
- FCT and CCmar, University of Algarve, 8005-139 Faro, Portugal. and Unidade de I&D Química-Física Molecular, Department of Chemistry, University of Coimbra, Portugal
| | - C André Ohlin
- School of Chemistry, Monash University, Clayton, Vic 3800, Australia
| | - Michele O Vieira
- Unidade de I&D Química-Física Molecular, Department of Chemistry, University of Coimbra, Portugal
| | - M Paula M Marques
- Unidade de I&D Química-Física Molecular, Department of Chemistry, University of Coimbra, Portugal and Department of Life Sciences, University of Coimbra, 3004-535 Coimbra, Portugal
| | - William H Casey
- Department of Chemistry, University of California, Davis, California 95616, USA
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Wang JP, Cui RY, Zhang KY, Ding XM, Luo YH, Bai SP, Zeng QF, Xuan Y, Su ZW. High-Fat Diet Increased Renal and Hepatic Oxidative Stress Induced by Vanadium of Wistar Rat. Biol Trace Elem Res 2016; 170:415-23. [PMID: 26342819 DOI: 10.1007/s12011-015-0475-4] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/24/2015] [Accepted: 08/10/2015] [Indexed: 11/24/2022]
Abstract
The study was conducted to assess the effect of vanadium (V) in high-fat diet on the liver and kidney of rats in a 5-week trial. Seventy-two female Wistar rats (BW = 95 ± 5 g) were randomly allotted into eight groups. Groups I, II, III, and IV obtained low-fat diet containing 0, 3, 15, and 30 mg/kg V, and V, VI, VII, and VIII groups received the respective vanadium doses with high-fat diet, respectively. There were lesions in the liver and kidney of V, VI, VII, and VIII groups, granular degeneration and vacuolar degeneration were observed in the renal tubular and glomerulus epithelial cells, and hepatocytes showed granular degeneration and vacuolar degeneration. Supplemented high-fat diet with vanadium was shown to decrease (P < 0.05) activities of superoxide dismutase, total antioxidant capacity, glutathione-S transferase, and NAD(P)H/quinone oxidoreductase 1 (NQO1) and increase malondialdehyde content in the liver and kidney. The relative expression of hepatic nuclear factor erythroid 2-related factor 2 (Nrf-2) and NQO1 mRNA was downregulated by V addition and high-fat diet, and the effect of V was more pronounced in high-fat diet (interaction, P < 0.05), with VIII group having the lowest mRNA expression of Nrf-2 and NQO1 in the liver and kidney. In conclusion, it suggested that dietary vanadium ranging from 15 to 30 mg/kg could lead to oxidative damage and vanadium accumulation in the liver and kidney, which caused renal and hepatic toxicity. The high-fat diet enhanced vanadium-induced hepatic and renal damage, and the mechanism was related to the modulation of the hepatic and renal mRNA expression of Nrf-2 and NQO1.
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Affiliation(s)
- J P Wang
- Institute of Animal Nutrition, Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Sichuan Agricultural University, Chengdu, Sichuan, 611130, China
| | - R Y Cui
- Institute of Animal Nutrition, Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Sichuan Agricultural University, Chengdu, Sichuan, 611130, China
| | - K Y Zhang
- Institute of Animal Nutrition, Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Sichuan Agricultural University, Chengdu, Sichuan, 611130, China.
| | - X M Ding
- Institute of Animal Nutrition, Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Sichuan Agricultural University, Chengdu, Sichuan, 611130, China
| | - Y H Luo
- Institute of Animal Nutrition, Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Sichuan Agricultural University, Chengdu, Sichuan, 611130, China
| | - S P Bai
- Institute of Animal Nutrition, Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Sichuan Agricultural University, Chengdu, Sichuan, 611130, China
| | - Q F Zeng
- Institute of Animal Nutrition, Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Sichuan Agricultural University, Chengdu, Sichuan, 611130, China
| | - Y Xuan
- Institute of Animal Nutrition, Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Sichuan Agricultural University, Chengdu, Sichuan, 611130, China
| | - Z W Su
- Institute of Animal Nutrition, Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Sichuan Agricultural University, Chengdu, Sichuan, 611130, China
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Aureliano M. Decavanadate Toxicology and Pharmacological Activities: V10 or V1, Both or None? OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2016; 2016:6103457. [PMID: 26904166 PMCID: PMC4745863 DOI: 10.1155/2016/6103457] [Citation(s) in RCA: 52] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/26/2015] [Accepted: 12/24/2015] [Indexed: 02/07/2023]
Abstract
This review covers recent advances in the understanding of decavanadate toxicology and pharmacological applications. Toxicological in vivo studies point out that V10 induces several changes in several oxidative stress parameters, different from the ones observed for vanadate (V1). In in vitro studies with mitochondria, a particularly potent V10 effect, in comparison with V1, was observed in the mitochondrial depolarization (IC50 = 40 nM) and oxygen consumption (99 nM). It is suggested that mitochondrial membrane depolarization is a key event in decavanadate induction of necrotic cardiomyocytes death. Furthermore, only decavanadate species and not V1 potently inhibited myosin ATPase activity stimulated by actin (IC50 = 0.75 μM) whereas exhibiting lower inhibition activities for Ca(2+)-ATPase activity (15 μM) and actin polymerization (17 μM). Because both calcium pump and actin decavanadate interactions lead to its stabilization, it is likely that V10 interacts at specific locations with these proteins that protect against hydrolysis but, on the other hand, it may induce V10 reduction to oxidovanadium(IV). Putting it all together, it is suggested that the pharmacological applications of V10 species and compounds whose mechanism of action is still to be clarified might involve besides V10 and V1 also vanadium(IV) species.
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Affiliation(s)
- M. Aureliano
- 1Faculty of Sciences and Technology, University of Algarve, Campus of Gambelas, 8005-135 Faro, Portugal
- 2CCMar (Centre of Marine Sciences), University of Algarve, Campus of Gambelas, 8005-135 Faro, Portugal
- *M. Aureliano:
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Aureliano M. Decavanadate contribution to vanadium biochemistry: In vitro and in vivo studies. Inorganica Chim Acta 2014. [DOI: 10.1016/j.ica.2013.10.010] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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Aureliano M, Ohlin CA. Decavanadate in vitro and in vivo effects: facts and opinions. J Inorg Biochem 2014; 137:123-30. [PMID: 24865633 DOI: 10.1016/j.jinorgbio.2014.05.002] [Citation(s) in RCA: 64] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2014] [Revised: 05/03/2014] [Accepted: 05/03/2014] [Indexed: 02/07/2023]
Abstract
This review covers recent advances in the understanding of the in vitro and in vivo effects of decavanadate, (V10O28)(6-), particularly in mitochondria. In vivo toxicological studies involving vanadium rarely account for the fact that under physiological conditions some vanadium may be present in the form of the decavanadate ion, which may behave differently from ortho- and metavanadates. It has for example been demonstrated that vanadium levels in heart or liver mitochondria are increased upon decavanadate exposure. Additionally, in vitro studies have shown that mitochondrial depolarization (IC50, 40 nM) and oxygen consumption (IC50, 99 nM) are strongly affected by decavanadate, which causes reduction of cytochrome b (complex III). We review these recent findings which together suggest that the observed cellular targets, metabolic pathway and toxicological effects differ according to the species of vanadium present. Finally, the toxicological effects of decavanadate depend on several factors such as the mode of administration, exposure time and type of tissue.
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Affiliation(s)
- M Aureliano
- DCBB, Faculty of Sciences and Technology, University of Algarve, Campus de Gambelas, 8005-135 Faro, Portugal; CCMar, University of Algarve, Campus de Gambelas, 8005-135 Faro, Portugal.
| | - C André Ohlin
- School of Chemistry, Monash University, Clayton, Victoria 3800, Australia
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Ubeda-Manzanaro M, Merlo MA, Ortiz-Delgado JB, Rebordinos L, Sarasquete C. Expression profiling of the sex-related gene Dmrt1 in adults of the Lusitanian toadfish Halobatrachus didactylus (Bloch and Schneider, 1801). Gene 2013; 535:255-65. [PMID: 24275345 DOI: 10.1016/j.gene.2013.11.021] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2013] [Revised: 11/06/2013] [Accepted: 11/12/2013] [Indexed: 01/22/2023]
Abstract
Doublesex and mab-3 related transcription factor 1 (Dmrt1) gene is a widely conserved gene involved in sex determination and differentiation across phyla. To gain insights on Dmrt1 implication for fish gonad cell differentiation and gametogenesis development, its mRNA was isolated from testis and ovary from the Lusitanian toadfish (Halobatrachus didactylus). The cDNA from Dmrt1 was synthesized and cloned, whereas its quantitative and qualitative gene expression, as well as its protein immunolocalization, were analyzed. A main product of 1.38 kb, which encodes a protein of 295 aa, was reported, but other minority Dmrt1 products were also identified by RACE-PCR. This gene is predominantly expressed in testis (about 20 times more than in other organs or tissues), specially in spermatogonia, spermatocytes and spermatids, as well as in somatic Sertoli cells, indicating that Dmrt1 plays an important role in spermatogenesis. Although Dmrt1 transcripts also seem to be involved in oogenesis development, and it cannot be excluded that toadfish Dmrt1 could be functionally involved in other processes not related to sex.
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Affiliation(s)
- María Ubeda-Manzanaro
- Institute of Marine Sciences of Andalusia (ICMAN.CSIC), University Campus, 11519 Puerto Real, Cadiz, Spain.
| | - Manuel A Merlo
- Laboratory of Genetics, Faculty of Marine and Environmental Sciences, University of Cadiz, Campus Río San Pedro, 11510, Puerto Real, Cadiz, Spain.
| | - Juan B Ortiz-Delgado
- Institute of Marine Sciences of Andalusia (ICMAN.CSIC), University Campus, 11519 Puerto Real, Cadiz, Spain.
| | - Laureana Rebordinos
- Laboratory of Genetics, Faculty of Marine and Environmental Sciences, University of Cadiz, Campus Río San Pedro, 11510, Puerto Real, Cadiz, Spain.
| | - Carmen Sarasquete
- Institute of Marine Sciences of Andalusia (ICMAN.CSIC), University Campus, 11519 Puerto Real, Cadiz, Spain.
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Liu J, Cui H, Liu X, Peng X, Deng J, Zuo Z, Cui W, Deng Y, Wang K. Dietary high vanadium causes oxidative damage-induced renal and hepatic toxicity in broilers. Biol Trace Elem Res 2012; 145:189-200. [PMID: 21882068 DOI: 10.1007/s12011-011-9185-8] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/29/2011] [Accepted: 08/16/2011] [Indexed: 11/24/2022]
Abstract
The purpose of this study was to investigate the renal and hepatic oxidative damage and toxicity caused by dietary high vanadium in broilers. A total of 420 one-day-old avian broilers were divided into six groups and fed on a corn-soybean basal diet as control diet (vanadium 0.073 mg/kg), and five high vanadium diets (vanadium 5 mg/kg, high vanadium group I; 15 mg/kg, high vanadium group II; 30 mg/kg, high vanadium group III; 45 mg/kg, high vanadium group IV; and 60 mg/kg, high vanadium group V) throughout the experimental period of 42 days. The results showed that the renal and hepatic superoxide dismutase (SOD) and glutathione peroxidase (GSH-Px) activities, ability to inhibit hydroxy radical, and malondialdehyde (MDA), glutathione, and vanadium contents were not significantly changed in high vanadium group I and II when compared with those of the control groups. However, the SOD and GSH-Px activities, ability to inhibit hydroxy radical, and GSH content were significantly decreased, and the MDA and vanadium contents were markedly increased in high vanadium groups III, IV, and V. At the same time, the lesions were also observed in the kidney and liver of high vanadium groups III, IV, and V. The renal tubular epithelial cells showed granular degeneration and vacuolar degeneration, and hepatocytes showed granular degeneration, vacuolar degeneration, and fatty degeneration. It was concluded that dietary vanadium in the range of 30-60 mg/kg could cause oxidative damage and vanadium accumulation, which induced renal and hepatic toxicity and lesions. The renal and hepatic function was finally impaired in boilers.
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Affiliation(s)
- Juan Liu
- Key Laboratory of Animal Diseases and Environmental Hazards of Sichuan Province, College of Veterinary Medicine, Sichuan Agricultural University, Ya'an, Sichuan 625014, China
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Aureliano M. Recent perspectives into biochemistry of decavanadate. World J Biol Chem 2011; 2:215-25. [PMID: 22031844 PMCID: PMC3202125 DOI: 10.4331/wjbc.v2.i10.215] [Citation(s) in RCA: 42] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/11/2011] [Revised: 09/07/2011] [Accepted: 09/14/2011] [Indexed: 02/05/2023] Open
Abstract
The number of papers about decavanadate has doubled in the past decade. In the present review, new insights into decavanadate biochemistry, cell biology, and antidiabetic and antitumor activities are described. Decameric vanadate species (V10) clearly differs from monomeric vanadate (V1), and affects differently calcium pumps, and structure and function of myosin and actin. Only decavanadate inhibits calcium accumulation by calcium pump ATPase, and strongly inhibits actomyosin ATPase activity (IC50 = 1.4 μmol/L, V10), whereas no such effects are detected with V1 up to 150 μmol/L; prevents actin polymerization (IC50 of 68 μmol/L, whereas no effects detected with up to 2 mmol/L V1); and interacts with actin in a way that induces cysteine oxidation and vanadate reduction to vanadyl. Moreover, in vivo decavanadate toxicity studies have revealed that acute exposure to polyoxovanadate induces different changes in antioxidant enzymes and oxidative stress parameters, in comparison with vanadate. In vitro studies have clearly demonstrated that mitochondrial oxygen consumption is strongly affected by decavanadate (IC50, 0.1 μmol/L); perhaps the most relevant biological effect. Finally, decavanadate (100 μmol/L) increases rat adipocyte glucose accumulation more potently than several vanadium complexes. Preliminary studies suggest that decavanadate does not have similar effects in human adipocytes. Although decavanadate can be a useful biochemical tool, further studies must be carried out before it can be confirmed that decavanadate and its complexes can be used as anticancer or antidiabetic agents.
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Abstract
Currently, efforts have been directed towards using decavanadate as a tool for the understanding of several biochemical processes such as muscle contraction, calcium homeostasis, in vivo changes of oxidative stress markers, mitochondrial oxygen consumption, mitochondrial membrane depolarization, actin polymerization and glucose uptake, among others. In addition, studies have been conducted in order to make vanadium available and safe for clinical use, for instance with decavanadate compounds that present interesting pharmacological properties, eventually useful for the treatment of diabetes. Here, recent contributions of decavanadate to the effects of vanadium in biological systems, not only in vitro, but also in vivo, are analysed.
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Affiliation(s)
- Manuel Aureliano
- Faculty of Sciences and Technology, University of Algarve, Portugal.
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Aureliano M, Crans DC. Decavanadate (V10 O28 6-) and oxovanadates: oxometalates with many biological activities. J Inorg Biochem 2009; 103:536-46. [PMID: 19110314 DOI: 10.1016/j.jinorgbio.2008.11.010] [Citation(s) in RCA: 190] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2008] [Revised: 11/10/2008] [Accepted: 11/18/2008] [Indexed: 02/07/2023]
Abstract
The decameric vanadate species V(10)O(28)(6-), also referred to as decavanadate, impact proteins, lipid structures and cellular function, and show some effects in vivo on oxidative stress processes and other biological properties. The mode of action of decavanadate in many biochemical systems depends, at least in part, on the charge and size of the species and in some cases competes with the simpler oxovanadate species. The orange decavanadate that contains 10 vanadium atoms is a stable species for several days at neutral pH, but at higher pH immediately converts to the structurally and functionally distinct lower oxovanadates such as the monomer, dimer or tetramer. Although the biological effects of vanadium are generally assumed to derive from monomeric vanadate or the vanadyl cation, we show in this review that not all effects can be attributed to these simple oxovanadate forms. This topic has not previously been reviewed although background information is available [D.C. Crans, Comments Inorg. Chem. 16 (1994) 35-76; M. Aureliano (Ed.), Vanadium Biochemistry, Research Signpost Publs., Kerala, India, 2007]. In addition to pumps, channels and metabotropic receptors, lipid structures represent potential biological targets for decavanadate and some examples have been reported. Decavanadate interact with enzymes, polyphosphate, nucleotide and inositol 3-phosphate binding sites in the substrate domain or in an allosteric site, in a complex manner. In mitochondria, where vanadium was shown to accumulate following decavanadate in vivo administration, nM concentration of decavanadate induces membrane depolarization in addition to inhibiting oxygen consumption, suggesting that mitochondria may be potential targets for decameric toxicity. In vivo effects of decavanadate in piscine models demonstrated that antioxidant stress markers, lipid peroxidation and vanadium subcellular distribution is dependent upon whether or not the solutions administered contain decavanadate. The present review summarizes the reports on biological effects of decavanadate and highlights the importance of considering decavanadate in evaluations of the biological effects of vanadium.
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Affiliation(s)
- Manuel Aureliano
- CCMar and Dept. Chemistry, Biochemistry and Pharmacy, FCT, University of Algarve, Faro, Portugal.
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Soares SS, Martins H, Gutiérrez-Merino C, Aureliano M. Vanadium and cadmium in vivo effects in teleost cardiac muscle: metal accumulation and oxidative stress markers. Comp Biochem Physiol C Toxicol Pharmacol 2008; 147:168-78. [PMID: 17920336 DOI: 10.1016/j.cbpc.2007.09.003] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/24/2007] [Revised: 09/09/2007] [Accepted: 09/10/2007] [Indexed: 02/07/2023]
Abstract
Several biological studies associate vanadium and cadmium with the production of reactive oxygen species (ROS), leading to lipid peroxidation and antioxidant enzymes alterations. The present study aims to analyse and compare the oxidative stress responses induced by an acute intravenous exposure (1 and 7 days) to a sub-lethal concentration (5 mM) of two vanadium solutions, containing different vanadate n-oligomers (n=1-5 or n=10), and a cadmium solution on the cardiac muscle of the marine teleost Halobatrachus didactylus (Lusitanian toadfish). It was observed that vanadium is mainly accumulated in mitochondria (1.33+/-0.26 microM), primarily when this element was administrated as decameric vanadate, than when administrated as metavanadate (432+/-294 nM), while the highest content of cadmium was found in cytosol (365+/-231 nM). Indeed, decavanadate solution promotes stronger increases in mitochondrial antioxidant enzymes activities (catalase: +120%; superoxide dismutase: +140%) than metavanadate solution. On contrary, cadmium increases cytosolic catalase (+111%) and glutathione peroxidases (+50%) activities. It is also observed that vanadate oligomers induce in vitro prooxidant effects in toadfish heart, with stronger effects induced by metavanadate solution. In summary, vanadate and cadmium are differently accumulated in blood and cardiac subcellular fractions and induced different responses in enzymatic antioxidant defence mechanisms. In the present study, it is described for the first time the effects of equal doses of two different metals intravenously injected in the same fish species and upon the same exposure period allowing to understand the mechanisms of vanadate and cadmium toxicity in fish cardiac muscle.
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Affiliation(s)
- S S Soares
- Department of Chemistry, Biochemistry and Pharmacy, Faculty of Sciences and Technology, University of Algarve, Campus de Gambelas, 8005-139 Faro, Portugal.
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Soares SS, Henao F, Aureliano M, Gutiérrez-Merino C. Vanadate induces necrotic death in neonatal rat cardiomyocytes through mitochondrial membrane depolarization. Chem Res Toxicol 2008; 21:607-18. [PMID: 18251508 DOI: 10.1021/tx700204r] [Citation(s) in RCA: 41] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Besides the well-known inotropic effects of vanadium in cardiac muscle, previous studies have shown that vanadate can stimulate cell growth or induce cell death. In this work, we studied the toxicity to neonatal rat ventricular myocytes (cardiomyocytes) of two vanadate solutions containing different oligovanadates distribution, decavanadate (containing decameric vanadate, V 10) and metavanadate (containing monomeric vanadate and also di-, tetra-, and pentavanadate). Incubation for 24 h with decavanadate or metavanadate induced necrotic cell death of cardiomyocytes, without significant caspase-3 activation. Only 10 microM total vanadium of either decavanadate (1 microM V 10) or metavanadate (10 microM total vanadium) was needed to produce 50% loss of cell viability after 24 h (assessed with MTT and propidium iodide assays). Atomic absorption spectroscopy showed that vanadium accumulation in cardiomyocytes after 24 h was the same when incubation was done with decavanadate or metavanadate. A decrease of 75% of the rate of mitochondrial superoxide anion generation, monitored with dihydroethidium, and a sustained rise of cytosolic calcium (monitored with Fura-2-loaded cardiomyocytes) was observed after 24 h of incubation of cardiomyocytes with decavanadate or metavanadate concentrations close to those inducing 50% loss of cell viability produced. In addition, mitochondrial membrane depolarization within cardiomyocytes, monitored with tetramethylrhodamine ethyl esther or with 3,3',6,6'-tetrachloro-1,1',3,3'-tetraethylbenzimidazolcarbocyanine iodide, were observed after only 6 h of incubation with decavanadate or metavanadate. The concentration needed for 50% mitochondrial depolarization was 6.5 +/- 1 microM total vanadium for both decavanadate (0.65 microM V 10) and metavanadate. In conclusion, mitochondrial membrane depolarization was an early event in decavanadate- and monovanadate-induced necrotic cell death of cardiomyocytes.
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Affiliation(s)
- Sandra Sofia Soares
- Comparative Cardiovascular Physiopathology Group (GFCC), Faculty of Environmental and Marine Sciences, Centre of Marine Sciences (CCMAR), University of Algarve, Campus de Gambelas, 8005-139 Faro, Portugal.
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Soares SS, Gutiérrez-Merino C, Aureliano M. Mitochondria as a target for decavanadate toxicity in Sparus aurata heart. AQUATIC TOXICOLOGY 2007; 83:1-9. [PMID: 17420061 DOI: 10.1016/j.aquatox.2007.03.005] [Citation(s) in RCA: 36] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/21/2006] [Revised: 03/07/2007] [Accepted: 03/08/2007] [Indexed: 02/07/2023]
Abstract
In a previous in vivo study we have reported that vanadium distribution, antioxidant enzymes activity and lipid peroxidation in Sparus aurata heart are strongly dependent on the oligomeric vanadate species being administered. Moreover, it was suggested that vanadium is accumulated in mitochondria, in particular when V10 was intravenously injected. In this work we have done a comparative study of the effects of V10 and monomeric vanadate (V1) on cardiac mitochondria from S. aurata. V10 inhibits mitochondrial oxygen consumption with an IC(50) of 400 nM, while the IC(50) for V1 is 23 microM. V10 also induced mitochondrial depolarization at very low concentrations, with an IC(50) of 196 nM, and 55 microM of V1 was required to induce the same effect. Additionally, up to 5 microM V10 did inhibit neither F(0)F(1)-ATPase activity nor NADH levels and it did not affect respiratory complexes I and II, but it induced changes in the redox steady-state of complex III. It is concluded that V10 inhibits mitochondrial oxygen consumption and induces membrane depolarization more strongly than V1, pointing out that mitochondria is a toxicological target for V10 and the importance to take into account the contribution of V10 to the vanadate toxic effects.
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Affiliation(s)
- Sandra S Soares
- Faculty of Sciences and Technology, University of Algarve, Campus de Gambelas, 8005-139 Faro, Portugal.
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Soares SS, Gutiérrez-Merino C, Aureliano M. Decavanadate induces mitochondrial membrane depolarization and inhibits oxygen consumption. J Inorg Biochem 2007; 101:789-96. [PMID: 17349695 DOI: 10.1016/j.jinorgbio.2007.01.012] [Citation(s) in RCA: 52] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2006] [Revised: 01/19/2007] [Accepted: 01/24/2007] [Indexed: 02/07/2023]
Abstract
Decavanadate induced rat liver mitochondrial depolarization at very low concentrations, half-depolarization with 39 nM decavanadate, while it was needed a 130-fold higher concentration of monomeric vanadate (5 microM) to induce the same effect. Decavanadate also inhibits mitochondrial repolarization induced by reduced glutathione in vitro, with an inhibition constant of 1 microM, whereas no effect was observed up to 100 microM of monomeric vanadate. The oxygen consumption by mitochondria is also inhibited by lower decavanadate than monomeric vanadate concentrations, i.e. 50% inhibition is attained with 99 M decavanadate and 10 microM monomeric vanadate. Thus, decavanadate is stronger as mitochondrial depolarization agent than as inhibitor of mitochondrial oxygen consumption. Up to 5 microM, decavanadate does not alter mitochondrial NADH levels nor inhibit neither F(O)F(1)-ATPase nor cytochrome c oxidase activity, but it induces changes in the redox steady-state of mitochondrial b-type cytochromes (complex III). NMR spectra showed that decameric vanadate is the predominant vanadate species in decavanadate solutions. It is concluded that decavanadate is much more potent mitochondrial depolarization agent and a more potent inhibitor of mitochondrial oxygen consumption than monomeric vanadate, pointing out the importance to take into account the contribution of higher oligomeric species of vanadium for the biological effects of vanadate solutions.
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Affiliation(s)
- S S Soares
- Centro de Ciências do Mar, Faculdade de Ciências e Tecnologia, Universidade do Algarve, Campus de Gambelas, 8005-139 Faro, Portugal
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Goyal RN, Tyagi A. Oxidation chemistry of adenosine-3', 5'-cyclic monophosphate at pyrolytic graphite eletrode. NUCLEOSIDES NUCLEOTIDES & NUCLEIC ACIDS 2007; 25:1345-62. [PMID: 17067957 DOI: 10.1080/15257770600918813] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Abstract
The voltammetric oxidation of adenosine-3',5'-cyclic monophosphate (3',5'-CAMP) has been studied in the pH range 2.13-10.07 using pyrolytic graphite electrode (PGE). Voltammetric, coulometric, spectral studies, and product characterization indicate that the oxidation of 3',5'-CAMP occurs in an EC reaction involving a 6H+, 6e process at pH 7.24. Electrooxidized products were seperated by semipreparative high performance liquid chromatography (HPLC) and were characterized by mp, 1HNMR, FTIR, and GC-mass as allantoin cyclic ribose monophosphate and 3 dimers as the major products. A detailed interpretation of the redox mechanism of 3',5'-CAMP also has been presented to account for the formation of various products.
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Affiliation(s)
- Rajendra N Goyal
- Department of Chemistry, Indian Institute of Technology Roorkee, Roorkee, India.
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Ramos S, Manuel M, Tiago T, Duarte R, Martins J, Gutiérrez-Merino C, Moura JJG, Aureliano M. Decavanadate interactions with actin: inhibition of G-actin polymerization and stabilization of decameric vanadate. J Inorg Biochem 2006; 100:1734-43. [PMID: 16890293 DOI: 10.1016/j.jinorgbio.2006.06.007] [Citation(s) in RCA: 51] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2006] [Revised: 06/19/2006] [Accepted: 06/25/2006] [Indexed: 02/07/2023]
Abstract
Decameric vanadate species (V10) inhibit the rate and the extent of G-actin polymerization with an IC50 of 68+/-22 microM and 17+/-2 microM, respectively, whilst they induce F-actin depolymerization at a lower extent. On contrary, no effect on actin polymerization and depolymerization was detected for 2mM concentration of "metavanadate" solution that contains ortho and metavanadate species, as observed by combining kinetic with (51)V NMR spectroscopy studies. Although at 25 degrees C, decameric vanadate (10 microM) is unstable in the assay medium, and decomposes following a first-order kinetic, in the presence of G-actin (up to 8 microM), the half-life increases 5-fold (from 5 to 27 h). However, the addition of ATP (0.2mM) in the medium not only prevents the inhibition of G-actin polymerization by V10 but it also decreases the half-life of decomposition of decameric vanadate species from 27 to 10h. Decameric vanadate is also stabilized by the sarcoplasmic reticulum vesicles, which raise the half-life time from 5 to 18h whereas no effects were observed in the presence of phosphatidylcholine liposomes, myosin or G-actin alone. It is proposed that the "decavanadate" interaction with G-actin, favored by the G-actin polymerization, stabilizes decameric vanadate species and induces inhibition of G-actin polymerization. Decameric vanadate stabilization by cytoskeletal and transmembrane proteins can account, at least in part, for decavanadate toxicity reported in the evaluation of vanadium (V) effects in biological systems.
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Affiliation(s)
- Susana Ramos
- Dept. Química e Bioquímica, FCT, Universidade do Algarve, Faro, Portugal
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Soares SS, Martins H, Aureliano M. Vanadium distribution following decavanadate administration. ARCHIVES OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY 2006; 50:60-4. [PMID: 16151690 DOI: 10.1007/s00244-004-0246-2] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/08/2004] [Accepted: 03/27/2005] [Indexed: 02/07/2023]
Abstract
An acute exposure of two vanadate solutions-metavanadate and decavanadate-containing different vanadate oligomers, induces different patterns of subcellular vanadium distribution in blood plasma, red blood cells (RBC), and cardiac muscle subcellular fractions of the fish Sparus aurata (gilthead seabream). The highest amount of vanadium was found in blood plasma 1 h after (5 mM) intravenous vanadate administration (295 +/- 64 and 383 +/- 104 microg V/g dry tissue, for metavanadate and decavanadate solutions, respectively), being 80-fold higher than in RBC. After 12 h of administration, the amount of vanadium in plasma, as well as in cardiac cytosol, decreased about 50%, for both vanadate solutions. During the period between 1 and 12 h, the ratio of vanadium in plasma/vanadium in RBC increased from 27 to 128 for metavanadate, whereas it remains constant (77) for decavanadate. Both vanadium solutions were primarily accumulated in the mitochondrial fraction (138 +/- 0 and 195 +/- 34 ng V/g dry tissue for metavanadate and decavanadate solutions, respectively, after 12 h exposure), rather than in cytosol. The amount of vanadium in cardiac mitochondria was twofold higher than in cytosol, earlier for metavanadate (6 h) than for decavanadate (12 h). It is concluded that, in fish cardiac muscle, the vanadium distribution is dependent on the administration of decameric vanadate, with vanadium being mainly distributed in plasma, before being accumulated into the mitochondrial fraction.
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Affiliation(s)
- S S Soares
- Group of Comparative Cardiovascular Physiopathology, CCMar, Faculty of Marine and Environmental Science, University of Algarve, Campus de Gambelas, Faro, 8005-139, Portugal
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Aureliano M, Gândara RMC. Decavanadate effects in biological systems. J Inorg Biochem 2005; 99:979-85. [PMID: 15833319 DOI: 10.1016/j.jinorgbio.2005.02.024] [Citation(s) in RCA: 73] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2005] [Revised: 02/23/2005] [Accepted: 02/25/2005] [Indexed: 02/07/2023]
Abstract
Vanadium biological studies often disregarded the formation of decameric vanadate species known to interact, in vitro, with high-affinity with many proteins such as myosin and sarcoplasmic reticulum calcium pump and also to inhibit these biochemical systems involved in energy transduction. Moreover, very few in vivo animal studies involving vanadium consider the contribution of decavanadate to vanadium biological effects. Recently, it has been shown that an acute exposure to decavanadate but not to other vanadate oligomers induced oxidative stress and a different fate in vanadium intracellular accumulation. Several markers of oxidative stress analyzed on hepatic and cardiac tissue were monitored after in vivo effect of an acute exposure (12, 24 h and 7 days), to a sub-lethal concentration (5 mM; 1 mg/kg) of two vanadium solutions ("metavanadate" and "decavanadate"). It was observed that "decavanadate" promote different effects than other vanadate oligomers in catalase activity, glutathione content, lipid peroxidation, mitochondrial superoxide anion production and vanadium accumulation, whereas both solutions seem to equally depress reactive oxygen species (ROS) production as well as total intracellular reducing power. Vanadium is accumulated in mitochondria in particular when "decavanadate" is administered. These recent findings, that are now summarized, point out the decameric vanadate species contributions to in vivo and in vitro effects induced by vanadium in biological systems.
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Affiliation(s)
- Manuel Aureliano
- CBME, Dept. Química e Bioquímica, FCT, Universidade do Algarve, 8005-139 Faro, Portugal.
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Cui CT, Uriu-Adams JY, Tchaparian EH, Keen CL, Rucker RB. Metavanadate causes cellular accumulation of copper and decreased lysyl oxidase activity. Toxicol Appl Pharmacol 2004; 199:35-43. [PMID: 15289088 DOI: 10.1016/j.taap.2004.03.007] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2003] [Accepted: 03/09/2004] [Indexed: 10/26/2022]
Abstract
Selected indices of copper metabolism in weanling rats and fibroblast cultures were progressively altered in response to increased levels of sodium metavanadate. In diets, vanadium was added in amounts ranging from 0 to 80 microg V/g of diet, that is, 0-1.6 micromol V/g of diet. In fibroblast cultures, vanadium ranged from 0 to 400 nmol V/ml. The inhibition of P-ATPase-7A activity by metavanadate, important to copper egress from cells, was a primary focus. In skin, and tendon, the copper concentration was increased in response to increased dietary levels of metavanadate, whereas lysyl oxidase activity, a secreted cuproprotein, was reduced. The reduction in lysyl oxidase activity was also accompanied by reduced redox cycling potential of isolated fractions of lysyl oxidase, presumably due to reduced lysyltyrosyl quinone (LTQ) formation at the active site of lysyl oxidase. In contrast, liver copper concentrations and plasma ceruloplasmin activity were not affected by metavanadate exposure. However, semicarbazide-sensitive benzylamine oxidase (SCBO) activity, which was taken as an indirect measure of vascular adhesive protein-1 (VAP-1), was increased. In cultured fibroblasts, cellular copper was also increased and lysyl oxidase decreased in response to metavanadate. Moreover, the steady-state levels of atp7a and lysyl oxidase mRNAs were not affected by addition of metavanadate to culture medium up to 200 nmol/ml. Taken together, these data suggest that pathways involving copper egress and lysyl oxidase activation are particularly sensitive to metavanadate exposure through processes that are predominately posttranslational.
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Affiliation(s)
- Changtai T Cui
- Samuel Lunenfeld Research Institute, Mount Sinai Hospital, Toronto, ON, Canada M561X5
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