1
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Li JQ, Wang H, Li C, Zeng FM, Li CB, Su ZM. Synthesis, structure and properties of a new Sm(III) rare-earth metal coordination complex with 2,5-dihydroxy-terephthalic acid ligand. J COORD CHEM 2021. [DOI: 10.1080/00958972.2021.1934461] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Affiliation(s)
- Jia-Qi Li
- School of Materials Science and Engineering, Changchun University of Science and Technology, Changchun, China
| | - He Wang
- Key Laboratory of Preparation and Application of Environmentally Friendly Materials, Ministry of Education, Jilin Normal University, Changchun, China
- Department of Chemistry, Jilin Normal University, Siping, PR China
| | - Chun Li
- School of Materials Science and Engineering, Changchun University of Science and Technology, Changchun, China
- Jilin Provincial Science and Technology Innovation Center of Optical Materials and Chemistry, Changchun, China
| | - Fan-Ming Zeng
- School of Materials Science and Engineering, Changchun University of Science and Technology, Changchun, China
- Jilin Provincial Science and Technology Innovation Center of Optical Materials and Chemistry, Changchun, China
| | - Chuan-Bi Li
- Key Laboratory of Preparation and Application of Environmentally Friendly Materials, Ministry of Education, Jilin Normal University, Changchun, China
| | - Zhong-Min Su
- School of Materials Science and Engineering, Changchun University of Science and Technology, Changchun, China
- Jilin Provincial Science and Technology Innovation Center of Optical Materials and Chemistry, Changchun, China
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2
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Wang H, Han S, Dun L, Zhang B, Chen X, Wang J, Li C, Liu C. Crystal structure, thermal behavior, luminescence and theoretical calculation of a new Pb(II) coordination complex. J Mol Struct 2020. [DOI: 10.1016/j.molstruc.2020.128950] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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3
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Avcı D, Altürk S, Sönmez F, Tamer Ö, Başoğlu A, Atalay Y, Kurt BZ, Dege N. Synthesis, spectral properties,
in vitro
α‐glucosidase inhibitory activity and quantum chemical calculations of novel mixed‐ligand M(II) complexes containing 1,10‐phenanthroline. Appl Organomet Chem 2020. [DOI: 10.1002/aoc.5412] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Davut Avcı
- Faculty of Arts and Sciences, Department of PhysicsSakarya University 54187 Sakarya Turkey
| | - Sümeyye Altürk
- Faculty of Arts and Sciences, Department of PhysicsSakarya University 54187 Sakarya Turkey
| | - Fatih Sönmez
- Vocational High SchoolSakarya University of Applied Sciences Pamukova 54055 Sakarya Turkey
| | - Ömer Tamer
- Faculty of Arts and Sciences, Department of PhysicsSakarya University 54187 Sakarya Turkey
| | - Adil Başoğlu
- Faculty of Arts and Sciences, Department of PhysicsSakarya University 54187 Sakarya Turkey
| | - Yusuf Atalay
- Faculty of Arts and Sciences, Department of PhysicsSakarya University 54187 Sakarya Turkey
| | - Belma Zengin Kurt
- Faculty of Pharmacy, Department of Pharmaceutical ChemistryBezmialem Vakif University 34093 Istanbul Turkey
| | - Necmi Dege
- Faculty of Arts and Sciences, Department of PhysicsOndokuz Mayıs University 55139 Samsun Turkey
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Avcı D, Altürk S, Sönmez F, Tamer Ö, Başoğlu A, Atalay Y, Zengin Kurt B, Dege N. Novel metal complexes containing 6-methylpyridine-2-carboxylic acid as potent α-glucosidase inhibitor: synthesis, crystal structures, DFT calculations, and molecular docking. Mol Divers 2020; 25:171-189. [PMID: 31965435 DOI: 10.1007/s11030-020-10037-x] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2019] [Accepted: 01/09/2020] [Indexed: 11/25/2022]
Abstract
The World Health Organization (WHO) report shows that diabetes mellitus (DM) will be one of the ten deadly diseases in the near future. The best way to prevent DM is to decrease blood glucose levels and keep under control; therefore, it is important to design and synthesize the effective inhibitors that can be used in the treatment of DM disease. In this respect, a series of ten metal complexes containing 6-methylpyridine-2-carboxylic acid {[Cr(6-mpa)2(H2O)2]·H2O·NO3, (1), [Mn(6-mpa)2(H2O)2], (2), [Ni(6-mpa)2(H2O)2]·2H2O, (3), [Hg(6-mpa)2(H2O)], (4), [Cu(6-mpa)2(Py)], (5), [Cu(6-mpa)2(H2O)]·H2O, (6), [Zn(6-mpa)2(H2O)]·H2O, (7), [Fe(6-mpa)3], (8), [Cd(6-mpa)2(H2O)2]·2H2O, (9), and [Co(6-mpa)2(H2O)2]·2H2O, (10)} were synthesized as α-glucosidase inhibitors. We found that the IC50 values of the synthesized complexes ranged from 0.247 ± 0.10 to > 600 μM against α-glucosidase. The spectral analyses for these complexes characterized by XRD and LC-MS/MS were also carried out by FT-IR and UV-Vis spectra. Additionally, the DFT/HSEh1PBE/6-311G(d,p)/LanL2DZ level was applied to obtain optimal molecular geometries and spectral behaviors as well as significant contributions to the electronic transitions for the complexes. The molecular docking study was also performed to display interactions between the target protein (the template structure Saccharomyces cerevisiae isomaltase) and the synthesized complexes (1-10).
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Affiliation(s)
- Davut Avcı
- Department of Physics, Faculty of Arts and Sciences, Sakarya University, 54187, Sakarya, Turkey.
| | - Sümeyye Altürk
- Department of Physics, Faculty of Arts and Sciences, Sakarya University, 54187, Sakarya, Turkey
| | - Fatih Sönmez
- Pamukova Vocational High School, Sakarya University of Applied Sciences, 54055, Sakarya, Turkey
| | - Ömer Tamer
- Department of Physics, Faculty of Arts and Sciences, Sakarya University, 54187, Sakarya, Turkey
| | - Adil Başoğlu
- Department of Physics, Faculty of Arts and Sciences, Sakarya University, 54187, Sakarya, Turkey
| | - Yusuf Atalay
- Department of Physics, Faculty of Arts and Sciences, Sakarya University, 54187, Sakarya, Turkey
| | - Belma Zengin Kurt
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Bezmialem Vakif University, 34093, Istanbul, Turkey
| | - Necmi Dege
- Department of Physics, Faculty of Arts and Sciences, Ondokuz Mayıs University, 55139, Samsun, Turkey
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5
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Novel Cu(II), Co(II) and Zn(II) metal complexes with mixed-ligand: Synthesis, crystal structure, α-glucosidase inhibition, DFT calculations, and molecular docking. J Mol Struct 2019. [DOI: 10.1016/j.molstruc.2019.07.039] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
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6
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Avcı D, Altürk S, Sönmez F, Tamer Ö, Başoğlu A, Atalay Y, Zengin Kurt B, Dege N. A novel series of mixed-ligand M(II) complexes containing 2,2′-bipyridyl as potent α-glucosidase inhibitor: synthesis, crystal structure, DFT calculations, and molecular docking. J Biol Inorg Chem 2019; 24:747-764. [DOI: 10.1007/s00775-019-01688-9] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2019] [Accepted: 07/10/2019] [Indexed: 01/07/2023]
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7
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Avcı D, Altürk S, Sönmez F, Tamer Ö, Başoğlu A, Atalay Y, Zengin Kurt B, Dege N. A novel series of M(II) complexes of 6‐methylpyridine‐2‐carboxylic acid with 4(5)methylimidazole: Synthesis, crystal structures, α‐glucosidase activity, density functional theory calculations and molecular docking. Appl Organomet Chem 2019. [DOI: 10.1002/aoc.4935] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Davut Avcı
- Faculty of Arts and Sciences, Department of PhysicsSakarya University 54187 Sakarya Turkey
| | - Sümeyye Altürk
- Faculty of Arts and Sciences, Department of PhysicsSakarya University 54187 Sakarya Turkey
| | - Fatih Sönmez
- Faculty of Arts and Sciences, Department of ChemistrySakarya University 54187 Sakarya Turkey
| | - Ömer Tamer
- Faculty of Arts and Sciences, Department of PhysicsSakarya University 54187 Sakarya Turkey
| | - Adil Başoğlu
- Faculty of Arts and Sciences, Department of PhysicsSakarya University 54187 Sakarya Turkey
| | - Yusuf Atalay
- Faculty of Arts and Sciences, Department of PhysicsSakarya University 54187 Sakarya Turkey
| | - Belma Zengin Kurt
- Faculty of Pharmacy, Department of Pharmaceutical ChemistryBezmialem Vakif University 34093 Istanbul Turkey
| | - Necmi Dege
- Faculty of Arts and Sciences, Department of PhysicsOndokuz Mayıs University 55139 Samsun Turkey
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8
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Two New Co(II) Complexes of Picolinate: Synthesis, Crystal Structure, Spectral Characterization, α-Glucosidase İnhibition and TD/DFT Study. J Inorg Organomet Polym Mater 2019. [DOI: 10.1007/s10904-019-01090-7] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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9
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Avcı D, Altürk S, Sönmez F, Tamer Ö, Başoğlu A, Atalay Y, Zengin Kurt B, Öztürk D, Dege N. A new dinuclear copper (II) complex of 2,5-Furandicarboxyclic acid with 4(5)-Methylimidazole as a high potential α-glucosidase inhibitor: Synthesis, Crystal structure, Cytotoxicity study, and TD/DFT calculations. Appl Organomet Chem 2019. [DOI: 10.1002/aoc.4725] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Davut Avcı
- Faculty of Arts and Sciences, Department of Physics; Sakarya University; 54187 Sakarya Turkey
| | - Sümeyye Altürk
- Faculty of Arts and Sciences, Department of Physics; Sakarya University; 54187 Sakarya Turkey
| | - Fatih Sönmez
- Faculty of Arts and Sciences, Department of Chemistry; Sakarya University; 54187 Sakarya Turkey
| | - Ömer Tamer
- Faculty of Arts and Sciences, Department of Physics; Sakarya University; 54187 Sakarya Turkey
| | - Adil Başoğlu
- Faculty of Arts and Sciences, Department of Physics; Sakarya University; 54187 Sakarya Turkey
| | - Yusuf Atalay
- Faculty of Arts and Sciences, Department of Physics; Sakarya University; 54187 Sakarya Turkey
| | - Belma Zengin Kurt
- Faculty of Pharmacy, Department of Pharmaceutical Chemistry; Bezmialem Vakif University; 34093 Istanbul Turkey
| | - Dilek Öztürk
- Faculty of Pharmacy, Department of Pharmacology; Bezmialem Vakif University; 34093 Istanbul Turkey
| | - Necmi Dege
- Faculty of Arts and Sciences, Department of Physics; Ondokuz Mayıs University; 55139 Samsun Turkey
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10
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Three novel Cu(II), Cd(II) and Cr(III) complexes of 6−Methylpyridine−2−carboxylic acid with thiocyanate: Synthesis, crystal structures, DFT calculations, molecular docking and α-Glucosidase inhibition studies. Tetrahedron 2018. [DOI: 10.1016/j.tet.2018.10.054] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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11
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Azam A, Raza MA, Sumrra SH. Therapeutic Application of Zinc and Vanadium Complexes against Diabetes Mellitus a Coronary Disease: A review. OPEN CHEM 2018. [DOI: 10.1515/chem-2018-0118] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023] Open
Abstract
AbstractDuring the last two decades, number of peoples suffering from diabetes has increased from 30-230 million globally. Today, seven out of the ten top countries are suffering from diabetes, are emergent countries. Due to alarming situations of diabetes, chemists and pharmacist are continuously searching and synthesizing new potent therapeutics to treat this disease. Now a days, considerable attention is being paid to the chemistry of the metal-drug interactions. Metals and their organic based complexes are being used clinically for various ailments. In this review, a comprehensive discussion about synthesis and diabetic evaluation of zinc and vanadium complex is summarized.
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Affiliation(s)
- Aisha Azam
- Department of Chemistry, Hafiz Hayat Campus, University of Gujrat, Gujrat, Pakistan
| | - Muhammad Asam Raza
- Department of Chemistry, Hafiz Hayat Campus, University of Gujrat, Gujrat, Pakistan
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12
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[Bis(picolinate-κN:O)Copper(II)] di(benzene1,3,5- tricarboxylic acid): Hydrothermal synthesis, structural characterization, magnetic properties and DFT study. J Mol Struct 2018. [DOI: 10.1016/j.molstruc.2018.03.130] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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13
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Manganese(II) chelates of bioinorganic and medicinal relevance: Synthesis, characterization, antibacterial activity and 3D-molecular modeling of some penta-coordinated manganese(II) chelates in O,N-donor coordination matrix of β-diketoenolates and picolinate. ARAB J CHEM 2016. [DOI: 10.1016/j.arabjc.2011.02.018] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
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15
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Yasui H, Yamazaki CM, Nose H, Awada C, Takao T, Koide T. Potential of collagen-like triple helical peptides as drug carriers: Their in vivo distribution, metabolism, and excretion profiles in rodents. Biopolymers 2016; 100:705-13. [PMID: 23494659 DOI: 10.1002/bip.22234] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2013] [Revised: 02/21/2013] [Accepted: 02/28/2013] [Indexed: 12/19/2022]
Abstract
Collagen-model peptides composed of (X-Y-Gly)n sequences were used to study the triple helical structure of collagen. We report the stability of these collagen-like peptides in biological fluids, and their pharmacokinetics including distribution, metabolism, and excretion in animals. A typical collagen-model peptide, H-(Pro-Hyp-Gly)10-OH, was found to be extremely stable in the plasma and distributed mainly in the vascular blood space, and was eliminated through glomerular filtration in the kidneys. Triple helical peptides of (X-Y-Gly)n sequences were quantitatively recovered from the urine of rats after intravenous injection regardless of the differences in peptide net charge between -3 and +6 per triple helix. In contrast, the renal clearance became less efficient when the number of triplet repeats (n) was 12 or more. We also demonstrated the application of a collagen-like triple helical peptide as a novel drug carrier in the blood with a high urinary excretion profile. We further demonstrated that a collagen-like triple helical peptide conjugated to a spin probe, PROXYL, has the potential to evaluate the redox status of oxidative stress-induced animals in vivo.
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Affiliation(s)
- Hiroyuki Yasui
- Department of Analytical and Bioinorganic Chemistry, Division of Analytical and Physical Chemistry, Kyoto Pharmaceutical University, Kyoto, 607-8414, Japan
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Pessoa JC, Etcheverry S, Gambino D. Vanadium compounds in medicine. Coord Chem Rev 2015; 301:24-48. [PMID: 32226091 PMCID: PMC7094629 DOI: 10.1016/j.ccr.2014.12.002] [Citation(s) in RCA: 328] [Impact Index Per Article: 36.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2014] [Revised: 11/18/2014] [Accepted: 12/02/2014] [Indexed: 12/02/2022]
Abstract
Vanadium is a transition metal that, being ubiquitously distributed in soil, crude oil, water and air, also found roles in biological systems and is an essential element in most living beings. There are also several groups of organisms which accumulate vanadium, employing it in their biological processes. Vanadium being a biological relevant element, it is not surprising that many vanadium based therapeutic drugs have been proposed for the treatment of several types of diseases. Namely, vanadium compounds, in particular organic derivatives, have been proposed for the treatment of diabetes, of cancer and of diseases caused by parasites. In this work we review the medicinal applications proposed for vanadium compounds with particular emphasis on the more recent publications. In cells, partly due to the similarity of vanadate and phosphate, vanadium compounds activate numerous signaling pathways and transcription factors; this by itself potentiates application of vanadium-based therapeutics. Nevertheless, this non-specific bio-activity may also introduce several deleterious side effects as in addition, due to Fenton's type reactions or of the reaction with atmospheric O2, VCs may also generate reactive oxygen species, thereby introducing oxidative stress with consequences presently not well evaluated, particularly for long-term administration of vanadium to humans. Notwithstanding, the potential of vanadium compounds to treat type 2 diabetes is still an open question and therapies using vanadium compounds for e.g. antitumor and anti-parasitic related diseases remain promising.
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Affiliation(s)
- Joao Costa Pessoa
- Centro de Química Estrutural, Instituto Superior Técnico, Universidade de Lisboa, Av Rovisco Pais, 1049-001 Lisboa, Portugal
| | - Susana Etcheverry
- Cátedra de Bioquímica Patológica and CEQUINOR, Facultad de Ciencias Exactas, Universidad Nacional de La Plata, 47 y 115 1900 La Plata, Argentina
| | - Dinorah Gambino
- Cátedra de Química Inorgánica, Facultad de Química, Universidad de la República, Gral. Flores 2124, 11800 Montevideo, Uruguay
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Levina A, McLeod AI, Gasparini SJ, Nguyen A, De Silva WGM, Aitken JB, Harris HH, Glover C, Johannessen B, Lay PA. Reactivity and Speciation of Anti-Diabetic Vanadium Complexes in Whole Blood and Its Components: The Important Role of Red Blood Cells. Inorg Chem 2015; 54:7753-66. [PMID: 26230577 DOI: 10.1021/acs.inorgchem.5b00665] [Citation(s) in RCA: 64] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
Reactions with blood components are crucial for controlling the antidiabetic, anticancer, and other biological activities of V(V) and V(IV) complexes. Despite extensive studies of V(V) and V(IV) reactions with the major blood proteins (albumin and transferrin), reactions with whole blood and red blood cells (RBC) have been studied rarely. A detailed speciation study of Na3[V(V)O4] (A), K4[V(IV)2O2(citr)2]·6H2O (B; citr = citrato(4-)); [V(IV)O(ma)2] (C; ma = maltolato(-)), and (NH4)[V(V)(O)2(dipic)] (D; dipic = pyridine-2,6-dicarboxylato(2-)) in whole rat blood, freshly isolated rat plasma, and commercial bovine serum using X-ray absorption near-edge structure (XANES) spectroscopy is reported. The latter two compounds are potential oral antidiabetic drugs, and the former two are likely to represent their typical decomposition products in gastrointestinal media. XANES spectral speciation was performed by principal component analysis and multiple linear regression techniques, and the distribution of V between RBC and plasma fractions was measured by electrothermal atomic absorption spectroscopy. Reactions of A, C, or D with whole blood (1.0 mM V, 1-6 h at 310 K) led to accumulation of ∼50% of total V in the RBC fraction (∼10% in the case of B), which indicated that RBC act as V carriers to peripheral organs. The spectra of V products in RBC were independent of the initial V complex, and were best fitted by a combination of V(IV)-carbohydrate (2-hydroxyacid moieties) and/or citrate (65-85%) and V(V)-protein (15-35%) models. The presence of RBC created a more reducing environment in the plasma fraction of whole blood compared with those in isolated plasma or serum, as shown by the differences in distribution of V(IV) and V(V) species in the reaction products of A-D in these media. At physiologically relevant V concentrations (<50 μM), this role of RBC may promote the formation of V(III)-transferrin as a major V carrier in the blood plasma. The results reported herein have broad implications for the roles of RBC in the transport and speciation of metal pro-drugs that have broad applications across medicine.
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Affiliation(s)
- Aviva Levina
- †School of Chemistry, The University of Sydney, Sydney NSW 2006, Australia
| | - Andrew I McLeod
- †School of Chemistry, The University of Sydney, Sydney NSW 2006, Australia
| | - Sylvia J Gasparini
- †School of Chemistry, The University of Sydney, Sydney NSW 2006, Australia
| | - Annie Nguyen
- †School of Chemistry, The University of Sydney, Sydney NSW 2006, Australia
| | | | - Jade B Aitken
- †School of Chemistry, The University of Sydney, Sydney NSW 2006, Australia.,‡Australian Synchrotron, 800 Blackburn Rd., Clayton VIC 3168, Australia
| | - Hugh H Harris
- †School of Chemistry, The University of Sydney, Sydney NSW 2006, Australia
| | - Chris Glover
- ‡Australian Synchrotron, 800 Blackburn Rd., Clayton VIC 3168, Australia
| | - Bernt Johannessen
- ‡Australian Synchrotron, 800 Blackburn Rd., Clayton VIC 3168, Australia
| | - Peter A Lay
- †School of Chemistry, The University of Sydney, Sydney NSW 2006, Australia
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Prakash V, Srivastava K, Prasad J. Electrochemical and spectral behaviour of binary and mixed-ligand complexes of oxovanadium(IV) with dipicolinic acid and diimines in dimethylsulfoxide. J Mol Liq 2015. [DOI: 10.1016/j.molliq.2015.01.008] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Makinen MW, Salehitazangi M. The Structural Basis of Action of Vanadyl (VO 2+) Chelates in Cells. Coord Chem Rev 2014; 279:1-22. [PMID: 25237207 DOI: 10.1016/j.ccr.2014.07.003] [Citation(s) in RCA: 46] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
Much emphasis has been given to vanadium compounds as potential therapeutic reagents for the treatment of diabetes mellitus. Thus far, no vanadium compound has proven efficacious for long-term treatment of this disease in humans. Therefore, in review of the research literature, our goal has been to identify properties of vanadium compounds that are likely to favor physiological and biochemical compatibility for further development as therapeutic reagents. We have, therefore, limited our review to those vanadium compounds that have been used in both in vivo experiments with small, laboratory animals and in in vitro studies with primary or cultured cell systems and for which pharmacokinetic and pharmacodynamics results have been reported, including vanadium tissue content, vanadium and ligand lifetime in the bloodstream, structure in solution, and interaction with serum transport proteins. Only vanadyl (VO2+) chelates fulfill these requirements despite the large variety of vanadium compounds of different oxidation states, ligand structure, and coordination geometry synthesized as potential therapeutic agents. Extensive review of research results obtained with use of organic VO2+-chelates shows that the vanadyl chelate bis(acetylacetonato)oxidovanadium(IV) [hereafter abbreviated as VO(acac)2], exhibits the greatest capacity to enhance insulin receptor kinase activity in cells compared to other organic VO2+-chelates, is associated with a dose-dependent capacity to lower plasma glucose in diabetic laboratory animals, and exhibits a sufficiently long lifetime in the blood stream to allow correlation of its dose-dependent action with blood vanadium content. The properties underlying this behavior appear to be its high stability and capacity to remain intact upon binding to serum albumin. We relate the capacity to remain intact upon binding to serum albumin to the requirement to undergo transcytosis through the vascular endothelium to gain access to target tissues in the extravascular space. Serum albumin, as the most abundant transport protein in the blood stream, serves commonly as the carrier protein for small molecules, and transcytosis of albumin through capillary endothelium is regulated by a Src protein tyrosine kinase system. In this respect it is of interest to note that inorganic VO2+ has the capacity to enhance insulin receptor kinase activity of intact 3T3-L1 adipocytes in the presence of albumin, albeit weak; however, in the presence of transferrin no activation is observed. In addition to facilitating glucose uptake, the capacity of VO2+- chelates for insulin-like, antilipolytic action in primary adipocytes has also been reviewed. We conclude that measurement of inhibition of release of only free fatty acids from adipocytes stimulated by epinephrine is not a sufficient basis to ascribe the observations to purely insulin-mimetic, antilipolytic action. Adipocytes are known to contain both phosphodiesterase-3 and phosphodiesterase-4 (PDE3 and PDE4) isozymes, of which insulin antagonizes lipolysis only through PDE3B. It is not known whether the other isozyme in adipocytes is influenced directly by VO2+- chelates. In efforts to promote improved development of VO2+- chelates for therapeutic purposes, we propose synergism of a reagent with insulin as a criterion for evaluating physiological and biochemical specificity of action. We highlight two organic compounds that exhibit synergism with insulin in cellular assays. Interestingly, the only VO2+- chelate for which this property has been demonstrated, thus far, is VO(acac)2.
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Affiliation(s)
- Marvin W Makinen
- Department of Biochemistry & Molecular Biology, Gordon Center for Integrative Science, The University of Chicago, 929 East 57 Street, Chicago, Illinois 60637 USA
| | - Marzieh Salehitazangi
- Department of Biochemistry & Molecular Biology, Gordon Center for Integrative Science, The University of Chicago, 929 East 57 Street, Chicago, Illinois 60637 USA
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Fedorova EV, Buriakina AV, Vorob'eva NM, Baranova NI. [The vanadium compounds: chemistry, synthesis, insulinomimetic properties]. BIOMEDIT︠S︡INSKAI︠A︡ KHIMII︠A︡ 2014; 60:416-29. [PMID: 25249525 DOI: 10.18097/pbmc20146004416] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
The review considers the biological role of vanadium, its participation in various processes in humans and other mammals, and the anti-diabetic effect of its compounds. Vanadium salts have persistent hypoglycemic and antihyperlipidemic effects and reduce the probability of secondary complications in animals with experimental diabetes. The review contains a detailed description of all major synthesized vanadium complexes having antidiabetic activity. Currently, vanadium complexes with organic ligands are more effective and safer than the inorganic salts. Despite the proven efficacy of these compounds as the anti-diabetic agents in animal models, only one organic complex of vanadium is currently under the second phase of clinical trials. All of the considered data suggest that vanadium compound are a new promising class of drugs in modern pharmacotherapy of diabetes.
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Structural variations of the adducts of insulin-enhancing VO(pic)2 compound with neutral O- and N-ligands: X-ray and DFT quantum-mechanical study. MONATSHEFTE FUR CHEMIE 2014. [DOI: 10.1007/s00706-014-1215-8] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Fedorova EV, Buryakina AV, Vorobieva NM, Baranova NI. The vanadium compounds: Chemistry, synthesis, insulinomimetic properties. BIOCHEMISTRY MOSCOW-SUPPLEMENT SERIES B-BIOMEDICAL CHEMISTRY 2013. [DOI: 10.1134/s1990750813040021] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Sakurai H. The discovery of vanadyl and zinc complexes for treating diabetes and metabolic syndromes. Expert Opin Drug Discov 2013; 2:873-87. [PMID: 23489004 DOI: 10.1517/17460441.2.6.873] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
The incidence of diabetes mellitus has increased over the decades because of lifestyle changes. The number of people with diabetes mellitus worldwide is expected to increase from 150 million to 220 million by 2010 and to 300 million by 2025. There are two main types of diabetes mellitus. Type 1 diabetes mellitus is due to the autoimmune-mediated destruction of pancreatic β cells, resulting in absolute insulin deficiency; the patients require exogenous insulin injections. Type 2 is characterized by insulin resistance and abnormal insulin secretion and the patients require exercise, diet control and/or oral hypoglycemics. However, each treatment has some adverse effects, including physical burden, formation of self-antibodies for insulin injections, the severe side effects of hypoglycemics and the discontinuation of insulin synthesis in the pancreas. To overcome these adverse effects and replace the use of these agents, the author attempted to develop new antidiabetic agents with novel structures and mechanisms. This review focuses on the authors' recent development of vanadium and zinc complexes for antidiabetic and antimetabolic syndromes.
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Affiliation(s)
- Hiromu Sakurai
- Kyoto Pharmaceutical University, Department of Analytical and Bioinorganic Chemistry, 5 Nakauchi-cho, Misasagi, Yamashina-ku, Kyoto 607-8414, Japan
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Saha TK, Yoshikawa Y, Yasui H, Sakurai H. In vitro insulin-mimetic activity and in vivo metallokinetic feature of oxovanadium(IV)porphyrin complexes in healthy rats. J PORPHYR PHTHALOCYA 2012. [DOI: 10.1142/s1088424612004458] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
We prepared [meso-tetrakis(4-carboxylatophenyl)porphyrinato]oxovanadium(IV) tetrasodium, ([VO(tcpp)]Na4), and investigated its in vitro insulin-mimetic activity and in vivo metallokinetic feature in healthy rats. The results were compared with those of previously proposed insulin-mimetic oxovanadium(IV)porphyrin complexes and oxovanadium(IV) sulphate. The in vitro insulin-mimetic activity and bioavailability of [VO(tcpp)]Na4 were considerably better than those of [meso-tetrakis (1-methylpyridinium-4-yl)porphyrinato]oxovanadium(IV)(4+) tetraperchlorate ([VO(tmpyp)](ClO4)4) and oxovanadium(IV) sulphate. On the other hand, [VO(tcpp)]Na4 and [meso-tetrakis(4-sulfonatophenyl) porphyrinato]oxidovanadate(IV)(4-)([VO(tpps)]) showed very similar in vitro insulin-mimetic activity and in vivo metallokinetic feature in healthy rats. In particular, the order of in vitro insulin-mimetic activity of the complexes was determined to be: [VO(tcpp)]Na4 ≈ [VO(tpps)] > ([VO(tmpyp)](ClO4)4 > oxovanadium(IV) sulphate.
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Affiliation(s)
- Tapan K. Saha
- Department of Chemistry, Jahangirnagar University, Savar, Dhaka 1342, Bangladesh
- Department of Analytical and Bioinorganic Chemistry, Kyoto Pharmaceutical University, Misasagi, Ymashina-ku, Kyoto 607-8414, Japan
| | - Yutaka Yoshikawa
- Department of Analytical and Bioinorganic Chemistry, Kyoto Pharmaceutical University, Misasagi, Ymashina-ku, Kyoto 607-8414, Japan
| | - Hirouki Yasui
- Department of Analytical and Bioinorganic Chemistry, Kyoto Pharmaceutical University, Misasagi, Ymashina-ku, Kyoto 607-8414, Japan
| | - Hiromu Sakurai
- Department of Analytical and Bioinorganic Chemistry, Kyoto Pharmaceutical University, Misasagi, Ymashina-ku, Kyoto 607-8414, Japan
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Winter PW, Al-Qatati A, Wolf-Ringwall AL, Schoeberl S, Chatterjee PB, Barisas BG, Roess DA, Crans DC. The anti-diabetic bis(maltolato)oxovanadium(iv) decreases lipid order while increasing insulin receptor localization in membrane microdomains. Dalton Trans 2012; 41:6419-30. [DOI: 10.1039/c2dt30521f] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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How environment affects drug activity: Localization, compartmentalization and reactions of a vanadium insulin-enhancing compound, dipicolinatooxovanadium(V). Coord Chem Rev 2011. [DOI: 10.1016/j.ccr.2011.01.032] [Citation(s) in RCA: 91] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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Xie MJ, Niu YF, Yang XD, Liu WP, Li L, Gao LH, Yan SP, Meng ZH. Effect of the chloro-substitution on lowering diabetic hyperglycemia of vanadium complexes with their permeability and cytotoxicity. Eur J Med Chem 2010; 45:6077-84. [DOI: 10.1016/j.ejmech.2010.10.013] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2010] [Revised: 10/09/2010] [Accepted: 10/12/2010] [Indexed: 11/29/2022]
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Sakurai H, Katoh A, Kiss T, Jakusch T, Hattori M. Metallo-allixinate complexes with anti-diabetic and anti-metabolic syndrome activities. Metallomics 2010; 2:670-82. [PMID: 21072358 DOI: 10.1039/c0mt00025f] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Abstract
Metabolic syndrome and the accompanied diabetes mellitus are both important diseases worldwide due to changes of lifestyle and eating habits. The number of patients with diabetes worldwide is estimated to increase to 300 million by 2025 from 150-220 million in 2010. There are two main types of diabetes. In type 1 diabetes, caused by destruction of pancreatic β-cells resulting in absolute deficiency of intrinsic insulin secretion, the patients require exogenous insulin injections several times a day. In type 2 diabetes, characterized by insulin resistance and abnormal insulin secretion, the patients need exercise, diet control and/or several types of hypoglycemics. The idea of using metal ions for the treatment of diabetes originates from the report in 1899. The research on the role of metal ions that may contribute to the improvement of diabetes began. The orally active metal complexes containing vanadyl (oxidovanadium(iv)) ion and cysteine or other ligands were first proposed in 1990, and a wide class of vanadium, copper and zinc complexes was found to be effective for treating diabetes in experimental animals. We noticed a characteristic compound, allixin, which is a non-sulfur component in dry garlic. Its vanadyl and zinc complexes improved both types of diabetes following oral administration in diabetic animals. We then developed a new zinc complex with thioxoallixin-N-methyl (tanm), which is both a sulfur and N-methyl derivative of allixin, and found that this complex improves not only diabetes but also metabolic syndrome. Furthermore, new zinc complexes inspired from the zinc-tanm were prepared; one of them exceeded the activity of zinc-tanm. The mechanism of such complexes was studied in adipocytes. We describe here the usefulness of the development of metal-based complexes in the context of potential therapeutic application for diabetes and metabolic syndrome.
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Affiliation(s)
- Hiromu Sakurai
- Department of Pharmaco-analytical and Biocoordination Chemistry, Faculty of Pharmaceutical Sciences, Suzuka University of Medical Science, 3500-3 Minami-Tamagaki-cho, Suzuka, Mie, Japan.
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Xie MJ, Li L, Yang XD, Liu WP, Yan SP, Niu YF, Meng ZH. A new insulin-enhancing agent: [N,N′-bis(4-hydroxysalicylidene)-o-phenylene-diamine]oxovanadium(IV) and its permeability and cytotoxicity. Eur J Med Chem 2010; 45:2327-35. [DOI: 10.1016/j.ejmech.2010.02.010] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2009] [Revised: 01/29/2010] [Accepted: 02/02/2010] [Indexed: 10/19/2022]
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32
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Yasui H, Fujii S, Yoshimura T, Sakurai H. Spinnokinetic Analyses of Blood Disposition and Biliary Excretion of Nitric Oxide (NO)-Fe(II)-N-(Dithiocarboxy)sarcosine Complex in Rats: BCM-ESR and BEM-ESR Studies. Free Radic Res 2009; 38:1061-72. [PMID: 15512794 DOI: 10.1080/10715760412331273449] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Abstract
Nitric oxide (NO) is well known to have a wide variety of biological and physiological functions in animals. On the basis of the fact that Fe(II)-dithiocarbamates react with NO, a Fe(II)-N-(dithiocarboxy)sarcosine complex (Fe(II)-DTCS) was proposed as a trapping agent for endogenous NO. However, quantitative pharmacokinetic investigation for NO-Fe(II)-dithiocarbamate complexes in experimental animals has been quite limited. This paper describes the results on the quantitative pharmacokinetic features of a NO-Fe(II)-N-DTCS in both the blood and bile of rats following intravenous (i.v.) administration of the complex. For this purpose, we applied two in vivo methods, i.e. (1) in vivo blood circulation monitoring-electron spin resonance (BCM-ESR) which previously developed, and (2) in vivo biliary excretion monitoring-electron spin resonance (BEM-ESR). We monitored real-time ESR signals due to nitrosyl-iron species in the circulating blood and bile flow. The ESR signal due to NO-Fe(II)-DTCS was stable in biological systems such as the fresh blood and bile. In in vivo BCM- and BEM-ESR, the pharmacokinetic parameters were calculated on the basis of the two-compartment and hepatobiliary transport models. The studies also revealed that the compound is widely distributed in the peripheral organs and partially excreted into the bile. We named a kinetic method to follow spin concentrations as spinnokinetics and this method will be useful for detecting and quantifying the endogenously generated NO in Fe(II)-DTCS administered animals.
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Affiliation(s)
- Hiroyuki Yasui
- Department of Analytical and Bioinorganic Chemistry, Kyoto Pharmaceutical University, 5 Nakauchi-cho, Misasagi, Yamashina-ku, Kyoto 607-8414, Japan
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Li M, Ding W, Smee JJ, Baruah B, Willsky GR, Crans DC. Anti-diabetic effects of vanadium(III, IV, V)–chlorodipicolinate complexes in streptozotocin-induced diabetic rats. Biometals 2009; 22:895-905. [DOI: 10.1007/s10534-009-9241-4] [Citation(s) in RCA: 49] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2007] [Accepted: 04/14/2009] [Indexed: 11/30/2022]
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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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35
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Liboiron BD. Insulin-Enhancing Vanadium Pharmaceuticals: The Role of Electron Paramagnetic Resonance Methods in the Evaluation of Antidiabetic Potential. HIGH RESOLUTION EPR 2009. [DOI: 10.1007/978-0-387-84856-3_12] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/10/2023]
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36
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Casas JS, Castellano EE, Ellena J, García-Tasende MS, Sánchez A, Sordo J, Toma M. Dimethylthallium(III) complexes with picolinic acid and its hydroxyl derivatives. Polyhedron 2008. [DOI: 10.1016/j.poly.2007.12.021] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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37
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Karmaker S, Saha TK. Chelation of Vanadium(IV) by a Natural and Edible Biopolymer Poly(γ-glutamic acid) in Aqueous Solution: Structure and Binding Constant of Complex. Macromol Biosci 2008; 8:171-6. [DOI: 10.1002/mabi.200700121] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
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38
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39
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Yraola F, García-Vicente S, Marti L, Albericio F, Zorzano A, Royo M. Understanding the mechanism of action of the novel SSAO substrate (C7NH10)6(V10O28).2H2O, a prodrug of peroxovanadate insulin mimetics. Chem Biol Drug Des 2007; 69:423-8. [PMID: 17581236 DOI: 10.1111/j.1747-0285.2007.00516.x] [Citation(s) in RCA: 40] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
A new vanadium salt, hexakis(benzylammonium) decavanadate (V) dihydrate (C(7)NH(10))(6)(V(10)O(28)).2H(2)O (1), has been synthesized as well as characterized chemically and biologically. An in vitro enzyme assay revealed that compound 1 is oxidized to the same extent as a combination of benzylamine and vanadate by the enzyme semicarbazide-sensitive amine oxidase (SSAO), and therefore can be considered an SSAO substrate. It also stimulates glucose uptake in isolated rat adipocytes in a dose-dependent manner. We describe here the results of (51)V-NMR experiments that, combined with the in vitro results, corroborate that compound 1 could act as a prodrug of di-peroxovanadate ([V(OH)(2)(OO)(2)(OH)(2)](2-)) insulin mimetics.
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Affiliation(s)
- Francesc Yraola
- Combinatorial Chemistry Unit, Barcelona Science Park, Josep Samitier 1, E-08028 Barcelona, Spain
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40
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Xie M, Xu G, Li L, Liu W, Niu Y, Yan S. In vivo insulin-mimetic activity of [N,N′-1,3-propyl-bis(salicyladimine)]oxovanadium(IV). Eur J Med Chem 2007; 42:817-22. [PMID: 17343957 DOI: 10.1016/j.ejmech.2006.12.021] [Citation(s) in RCA: 32] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2005] [Revised: 12/05/2006] [Accepted: 12/05/2006] [Indexed: 11/22/2022]
Abstract
[N,N'-1,3-Propyl-bis(salicyladimine)]oxovanadium(IV) - an oxovanadium complex has been tested for bioactivity as an insulin-enhancing agent. Its structure reveals that the vanadium(IV) ion is hexacoordinated and situated in a distorted octahedral environment. The complex was administered intragastrically to both normal and streptozotocin (STZ)-diabetic rats for two weeks. The results showed that the complex, at a dose of 10.0 and 20.0mgV.kg(-1), could lower the blood glucose level in STZ-diabetic rats and improve the response to an oral glucose challenge. This complex did not alter these parameters in normal rats. It was suggested that the complex exerted an antidiabetic effect in STZ-diabetic rats.
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Affiliation(s)
- Mingjin Xie
- Department of Chemistry, Yunnan University, Cuihu North Road No. 2, Kunming, Yunnan 650091, China.
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41
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Yasui H, Adachi Y, Katoh A, Sakurai H. Metallokinetic characteristics of antidiabetic bis(allixinato)oxovanadium(IV)-related complexes in the blood of rat. J Biol Inorg Chem 2007; 12:843-53. [PMID: 17503093 DOI: 10.1007/s00775-007-0239-5] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2007] [Accepted: 04/03/2007] [Indexed: 12/01/2022]
Abstract
The antidiabetic effect of vanadium is a widely accepted phenomenon; some oxovanadium(IV) complexes have been found to normalize high blood glucose levels in both type 1 and type 2 diabetic animals. In light of the future clinical use of these complexes, the relationship among their chemical structures, physicochemical properties, metallokinetics, and antidiabetic activities must be closely investigated. Recently, we found that among bis(3-hydroxypyronato)oxovanadium(IV) [VO(3hp)(2)] related complexes, bis(allixinato)oxovanadium(IV) [VO(alx)(2)] exhibits a relatively strong hypoglycemic effect in diabetic animals. Next, we examined its metallokinetics in the blood of rats that received five VO(3hp)(2)-related complexes by the blood circulation monitoring-electron paramagnetic resonance method. The metallokinetic parameters were obtained from the blood clearance curves based on a two-compartment model; most parameters, such as area under the concentration curve and mean residence time, correlated significantly with the in vitro insulinomimetic activity in terms of 1/IC(50) (IC(50) is the 50% inhibitory concentration of the complex required for the release of free fatty acids in adipocytes) and the lipophilicity of the complex (log P (com)). The oxovanadium(IV) concentration was significantly higher and the species resided longer in the blood of rats that received VO(alx)(2) than in the blood of rats that received VO(3hp)(2) or bis(kojato)oxovanadium(IV); VO(alx)(2) also exhibited higher log P (com) and 1/IC(50) values. On the basis of these results, we propose that the introduction of lipophilic groups at the C2 and C6 positions of the 3hp ligand is an effective method to enhance the hypoglycemic effect of the complexes, as supported by the observed in vivo exposure and residence in the blood.
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Affiliation(s)
- Hiroyuki Yasui
- Department of Analytical and Bioinorganic Chemistry, Kyoto Pharmaceutical University, 5 Nakauchi-cho, Misasagi, Yamashina-ku, Kyoto 607-8414, Japan.
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42
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Monosaccharides and the VO(IV) metal ion: Equilibrium, thermal studies and hypoglycemic effect. Polyhedron 2007. [DOI: 10.1016/j.poly.2006.10.032] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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43
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Basuki W, Hiromura M, Adachi Y, Tayama K, Hattori M, Sakurai H. Enhancement of insulin signaling pathway in adipocytes by oxovanadium(IV) complexes. Biochem Biophys Res Commun 2006; 349:1163-70. [PMID: 16970914 DOI: 10.1016/j.bbrc.2006.08.162] [Citation(s) in RCA: 30] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2006] [Accepted: 08/25/2006] [Indexed: 12/23/2022]
Abstract
Recently, we have found that some oxovanadium(IV) complexes are potent insulin-mimetic compounds for treating both type I and type II diabetic animals. However, the functional mechanism of oxovanadium(IV) complexes is not fully understood. In this report, we have shown that oxovanadium(IV)-picolinate complexes such as VO(pa)(2), VO(3mpa)(2), and VO(6mpa)(2) act on the insulin signaling pathway in 3T3-L1 adipocytes. Among them, VO(3mpa)(2) was found to be the highest potent activator in inducing not only the phosphotyrosine levels of both IRbeta and IRS but also the activation of downstream kinases in the insulin receptor, such as Akt and GSK3beta, which in turn translocated the insulin-dependent GLUT4 to the plasma membrane. Then, we examined whether or not oxovanadium(IV)-picolinates exhibit the hypoglycemic activity in STZ-induced diabetic mice, and found that VO(3mpa)(2) is more effective than the others in improving the hyperglycemia of the animals. Our present data indicate that both activation of insulin signaling pathway, which follows the GLUT4 translocation to the plasma membrane, and enhancement of glucose utilization by oxovanadium(IV) complexes cause the hypoglycemic effect in diabetic animals.
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Affiliation(s)
- Wanny Basuki
- Department of Analytical and Bioinorganic Chemistry, Kyoto Pharmaceutical University, 5 Nakauchi-chio, Misasagi, Yamashina-ku, Kyoto 607-8414, Japan
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Karmaker S, Saha TK, Yoshikawa Y, Yasui H, Sakurai H. A novel drug delivery system for type 1 diabetes: Insulin-mimetic vanadyl-poly(γ-glutamic acid) complex. J Inorg Biochem 2006; 100:1535-46. [PMID: 16824605 DOI: 10.1016/j.jinorgbio.2006.05.005] [Citation(s) in RCA: 39] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2005] [Revised: 05/12/2006] [Accepted: 05/12/2006] [Indexed: 11/15/2022]
Abstract
Insulin-mimetic vanadyl-poly(gamma-glutamic acid) complex, VO-gamma-PGA, is proposed as a novel drug delivery system for treating type 1 diabetic animals. The structure of VO-gamma-PGA in solution as well as in solid state was analyzed by electronic absorption, infra-red, and electron spin resonance spectra, and proposed that the equatorial coordination mode of VO(2+) is in either carboxylate(O)-VO-(OH(2))(3) or 2 carboxylate(O(2))-VO-(OH(2))(2). In vitro insulin-mimetic activity, metallokinetic feature in the blood of healthy rats, and in vivo normoglycemic effect of the complex prepared in solution were evaluated in streptozotocin(STZ)-induced type 1 diabetic mice, and these effects were compared with those of a solution containing only VOSO(4) as a positive control. The in vitro insulin-mimetic activity of VO-gamma-PGA was examined by determining both inhibition of free fatty acid (FFA) release and glucose uptake in isolated rat adipocytes, in which the concentration of VO-gamma-PGA for 50% inhibition of FFA release was significantly lower than that of VOSO(4). Metallokinetic study suggested that the bioavailability of VO-gamma-PGA complex was much higher than that of VOSO(4). The complex showed a significant hypoglycemic activity within at least 4h after a single oral administration, the effect being sustained for at least 24h. Furthermore, VO-gamma-PGA normalized the hyperglycemia in STZ-mice within 3 days when it was given orally at doses of 5-10mgVkg(-1) body mass for 16 days. The improvement in diabetes was also supported by the results on oral glucose tolerance test, HbA(1c) levels, and blood pressure.
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Affiliation(s)
- Subarna Karmaker
- Department of Analytical and Bioinorganic Chemistry, Kyoto Pharmaceutical University, 5 Nakauchi-cho, Misasagi, Yamashina-ku, Kyoto 607-8414, Japan
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45
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Xing YH, Aoki K, Bai FY. A New Insulin-Like Vanadyl Complex: Synthesis and Structure of V(IV)O(H2O)2 (2,6-PyridineDicarboxylate)E2H2O. J COORD CHEM 2006. [DOI: 10.1080/00958970410001666161] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Affiliation(s)
- Yong Heng Xing
- a Department of Chemistry , Liaoning Normal University , Mail Box 600#, Huanghe Road 850#, Dalian City, P.R. China , 116029
| | - Katsuyuki Aoki
- b Department of Materials Science , Toyohashi University of Technology , Tempaku-cho, Toyohashi 441-8580, Japan
| | - Feng Ying Bai
- a Department of Chemistry , Liaoning Normal University , Mail Box 600#, Huanghe Road 850#, Dalian City, P.R. China , 116029
- b Department of Materials Science , Toyohashi University of Technology , Tempaku-cho, Toyohashi 441-8580, Japan
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Saha TK, Yoshikawa Y, Yasui H, Sakurai H. Oxovanadium(IV)–Porphyrin Complex as a Potent Insulin-Mimetic. Treatment of Experimental Type 1 Diabetic Mice by the Complex [meso-Tetrakis(4-sulfonatophenyl)porphyrinato]oxovanadate(IV)(4−). BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN 2006. [DOI: 10.1246/bcsj.79.1191] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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47
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Garribba E, Micera G, Lodyga-Chruscinska E, Sanna D. Oxovanadium(IV) Complexes with Pyrazinecarboxylic Acids:The Coordinating Properties of Ligands with the (Naromatic, COO–) Donor Set. Eur J Inorg Chem 2006. [DOI: 10.1002/ejic.200600230] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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48
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Saha TK, Adachi Y, Yoshikawa Y, Yasui H, Sakurai H. A New Type of Orally Active Insulin-mimetic Vanadyl-porphyrin Complex:meso-Tetrakis({4-sulfonatophenyl}porphyrinato)oxovanadium(IV). CHEM LETT 2005. [DOI: 10.1246/cl.2005.1350] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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Saatchi K, Thompson KH, Patrick BO, Pink M, Yuen VG, McNeill JH, Orvig C. Coordination Chemistry and Insulin-Enhancing Behavior of Vanadium Complexes with Maltol C6H6O3 Structural Isomers. Inorg Chem 2005; 44:2689-97. [PMID: 15819554 DOI: 10.1021/ic048186g] [Citation(s) in RCA: 48] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Abstract
Syntheses of vanadium complexes using the naturally occurring ligands isomaltol (Hima) and allomaltol (Hama), as well as a newly synthesized, potentially tetradentate diaminodipyrone [H(2)(en(ama)(2)], are reported. Complete characterization of the resulting compounds [trans-VO(ima)(2)(H(2)O), VO(ama)(2), V(ima)(3), V(ama)(3) and VO(en(ama)(2))], including X-ray crystallography analyses for trans-VO(ima)(2)(H(2)O) and V(ima)(3), are presented herein. Potentiometric titrations (25 degrees C, I = 0.16 M NaCl) were used to measure stability constants in the V(IV)-Hima system; these data were compared to previous data collected on the V(IV)-L (L = Hma, Hama) systems. The in vivo efficacy of these compounds to lower the blood glucose levels of STZ-diabetic rats was tested; all but VO(en(ama)(2)) produced significant decreases in plasma glucose levels. The results were compared to those of the benchmark compound BMOV [VO(ma)(2), bis(maltolato)oxovanadium(IV)], a known insulin-enhancing agent.
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Affiliation(s)
- Katayoun Saatchi
- Medicinal Inorganic Chemistry Group, Department of Chemistry, University of British Columbia, 2036 Main Mall, Vancouver, British Columbia V6T 1Z1, Canada
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