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Katsipis G, Tsalouxidou V, Halevas E, Geromichalou E, Geromichalos G, Pantazaki AA. In vitro and in silico evaluation of the inhibitory effect of a curcumin-based oxovanadium (IV) complex on alkaline phosphatase activity and bacterial biofilm formation. Appl Microbiol Biotechnol 2020; 105:147-168. [PMID: 33191462 DOI: 10.1007/s00253-020-11004-0] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2020] [Revised: 10/27/2020] [Accepted: 11/03/2020] [Indexed: 12/18/2022]
Abstract
The scientific interest in the development of novel metal-based compounds as inhibitors of bacterial biofilm-related infections and alkaline phosphatase (ALP) deregulating effects is continuous and rising. In the current study, a novel crystallographically defined heteroleptic V(IV)-curcumin-bipyridine (V-Cur) complex with proven bio-activity was studied as a potential inhibitor of ALP activity and bacterial biofilm. The inhibitory effect of V-Cur was evaluated on bovine ALP, with two different substrates: para-nitrophenyl phosphate (pNPP) and adenosine triphosphate (ATP). The obtained results suggested that V-Cur inhibited the ALP activity in a dose-dependent manner (IC50 = 26.91 ± 1.61 μM for ATP, IC50 = 2.42 ± 0.12 μM for pNPP) exhibiting a mixed/competitive type of inhibition with both substrates tested. The evaluation of the potential V-Cur inhibitory effect on bacterial biofilm formation was performed on Gram (+) bacteria Staphylococcus aureus (S. aureus) and Gram (-) Escherichia coli (E. coli) cultures, and it positively correlated with inhibition of bacterial ALP activity. In silico study proved the binding of V-Cur at eukaryotic and bacterial ALP, and its interaction with crucial amino acids of the active sites, verifying complex's inhibitory potential. The findings suggested a specific anti-biofilm activity of V-Cur, offering a further dimension in the importance of metal complexes, with naturally derived products as biological ligands, as therapeutic agents against bacterial infections and ALP-associated diseases. KEY POINTS: • V-Cur inhibits bovine and bacterial alkaline phosphatases and bacterial biofilm formation. • Alkaline phosphatase activity correlates with biofilm formation. • In silico studies prove binding of the complex on alkaline phosphatase.
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Affiliation(s)
- G Katsipis
- Laboratory of Biochemistry, Department of Chemistry, Aristotle University of Thessaloniki, 54124, Thessaloniki, Greece
| | - V Tsalouxidou
- Laboratory of Biochemistry, Department of Chemistry, Aristotle University of Thessaloniki, 54124, Thessaloniki, Greece
| | - E Halevas
- Institute of Biosciences & Applications, National Centre for Scientific Research "Democritus", 15310, Athens, Greece
| | - E Geromichalou
- Laboratory of Pharmacology, Medical School, National and Kapodistrian University of Athens, 75 Mikras Asias Street, 11527, Athens, Greece
| | - G Geromichalos
- Laboratory of Biochemistry, Department of Chemistry, Aristotle University of Thessaloniki, 54124, Thessaloniki, Greece
| | - A A Pantazaki
- Laboratory of Biochemistry, Department of Chemistry, Aristotle University of Thessaloniki, 54124, Thessaloniki, Greece.
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Naz S, Uddin N, Ullah K, Haider A, Gul A, Faisal S, Nadhman A, Bibi M, Yousuf S, Ali S. Homo- and heteroleptic Zinc(II) carboxylates: Synthesis, structural characterization, and assessment of their biological significance in in vitro models. Inorganica Chim Acta 2020. [DOI: 10.1016/j.ica.2020.119849] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
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Liu TT, Su WC, Chen QX, Shen DY, Zhuang JX. The inhibitory kinetics and mechanism of glycolic acid on lipase. J Biomol Struct Dyn 2019; 38:2021-2028. [PMID: 31315525 DOI: 10.1080/07391102.2019.1645732] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
Obesity is prone to cause a variety of chronic metabolic diseases, and it has aroused people's attention that the rapid increase in the global population of obese people in the past years. As a kind of weight-loss drug acting in the intestine, lipase inhibitor does not enter the bloodstream without producing central nervous side effects. Because they do not affect the metabolism system, lipase inhibitors and obesity have become one of the hot spots in recent years. Glycolic acid is a new substrate analog inhibitor with the value of the semi-inhibitory concentration of lipase is estimated to be 17.29 ± 0.14 mM. Using the plots of Lineweaver-Burk, the inhibition mechanism of lipase by glycolic acid was reversible and the inhibition type belongs to competitive inhibition with a KI value of 19.61 ± 0.26 mM. The inhibitory kinetics assay showed that the microscopic velocity constant k+0 of inhibition kinetics is 1.79 × 10-3 mM-1s-1, and k-0 is 0.73 × 10-3 s-1. The results of UV full-wavelength scanning on product cumulative, fluorescence quenching and molecular simulation also indicated that glycolic acid and substrate competitive with lipase by binding to Lys137. Thereby glycolic acid inhibiting the oxidation-catalyzed reaction and reducing the product of the enzyme and substrate. This adds a new direction for the search for lipase inhibitors and provides new ideas about the development of anti-obesity drugs.Communicated by Ramaswamy H. Sarma.
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Affiliation(s)
- Tian-Tian Liu
- School of Life Science, Xiamen University, Xiamen, China
| | - Wei-Chao Su
- School of Life Science, Xiamen University, Xiamen, China
| | - Qing-Xi Chen
- School of Life Science, Xiamen University, Xiamen, China
| | - Dong-Yan Shen
- Biobank, The First Affiliated Hospital, School of Medicine, Xiamen University, Xiamen, China
| | - Jiang-Xing Zhuang
- Institute of Neuroscience, School of Medicine, Xiamen University, Fujian Provincial Key Laboratory of Neurodegenerative Disease and Aging Research, Xiamen, Fujian, China
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ISLAM NASHREENS, BORUAH JEENAJYOTI. Macromolecular peroxo complexes of Vanadium(V) and Molybdenum(VI): Catalytic activities and biochemical relevance. J CHEM SCI 2015. [DOI: 10.1007/s12039-015-0833-y] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Theoretical study of the structure, IR and NMR of the bis-peroxo-oxovanadate species containing-histidine peptides. Inorganica Chim Acta 2014. [DOI: 10.1016/j.ica.2014.03.036] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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Das SP, Ankireddy SR, Boruah JJ, Islam NS. Synthesis and characterization of peroxotungsten(vi) complexes bound to water soluble macromolecules and their interaction with acid and alkaline phosphatases. RSC Adv 2012. [DOI: 10.1039/c2ra20358h] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023] Open
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Boruah JJ, Kalita D, Das SP, Paul S, Islam NS. Polymer-Anchored Peroxo Compounds of Vanadium(V) and Molybdenum(VI): Synthesis, Stability, and Their Activities with Alkaline Phosphatase and Catalase. Inorg Chem 2011; 50:8046-62. [DOI: 10.1021/ic200368g] [Citation(s) in RCA: 47] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Affiliation(s)
- Jeena Jyoti Boruah
- Department of Chemical Sciences, Tezpur University, Tezpur 784028, Assam, India
| | - Diganta Kalita
- Department of Chemical Sciences, Tezpur University, Tezpur 784028, Assam, India
| | - Siva Prasad Das
- Department of Chemical Sciences, Tezpur University, Tezpur 784028, Assam, India
| | - Saurav Paul
- Department of Chemical Sciences, Tezpur University, Tezpur 784028, Assam, India
| | - Nashreen S. Islam
- Department of Chemical Sciences, Tezpur University, Tezpur 784028, Assam, India
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Zhuang JX, Hu YH, Yang MH, Liu FJ, Qiu L, Zhou XW, Chen QX. Irreversible competitive inhibitory kinetics of cardol triene on mushroom tyrosinase. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2010; 58:12993-12998. [PMID: 21121650 DOI: 10.1021/jf103723k] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/30/2023]
Abstract
Cardol triene was first purified from cashew (Anacardium occidentale L.) nut shell liquid and identified by gas chromatography coupled to mass spectroscopy and nuclear magnetic resonance. The effects of this compound on the activity of mushroom tyrosinase were studied. The results of the kinetic study showed that cardol triene was a potent irreversible competitive inhibitor and the inactivation was of the complexing type. Two molecules of cardol triene could bind to one molecule of tyrosinase and lead to the complete loss of its catalytic activity. The microscopic rate constants were determined for the reaction of cardol triene with the enzyme. The anti-tyrosinase kinetic research of this study provides a comprehensive understanding of inhibitory mechanisms of resorcinolic lipids and is beneficial for the future design of novel tyrosinase inhibitors.
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Affiliation(s)
- Jiang-Xing Zhuang
- Key Laboratory of the Ministry of Education for Coastal and Wetland Ecosystems, School of Life Sciences,Xiamen University, Xiamen 361005, China
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Chen QX, Huang H, Kubo I. Inactivation kinetics of mushroom tyrosinase by cetylpyridinium chloride. JOURNAL OF PROTEIN CHEMISTRY 2003; 22:481-7. [PMID: 14690251 DOI: 10.1023/b:jopc.0000005464.36961.9c] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
Cetylpyridinium chloride (CPC) was found to inactivate tyrosinase from mushroom (Agaricus bisporus). CPC can bind to the enzyme molecule and induce the enzyme conformation changes. The fluorescence intensity (at 338.4 nm) of the enzyme decreased distinctly with increasing CPC concentrations, and a new little fluorescence emission peak appeared near 372 nm. The inactivation of the enzyme by CPC had first been studied by using the kinetic method of the substrate reaction described by Tsou. The results showed that the enzyme was inactivated by a complex mechanism that had not been previously identified. The enzyme first quickly binds with CPC reversibly and then undergoes a slow irreversible inactivation. The inactivation reaction is a single molecule reaction and the apparent inactivation rate constant is a saturated trend being independent of CPC concentration if the concentration is sufficiently high. The micro rate constants of inactivation and the association constant were determined.
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Affiliation(s)
- Qing-Xi Chen
- Key laboratory of Ministry of Education for Cell Biology and Tumor Cell Engineering, Department of Biology, Xiamen University, Xiamen 361005, People's Republic of China.
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Gaballah ST, Kerr CE, Eaton BE, Netzel TL. Synthesis of 5-(2,2'-bipyridinyl and 2,2'-bipyridinediiumyl)-2'-deoxyuridine nucleosides: precursors to metallo-DNA conjugates. NUCLEOSIDES, NUCLEOTIDES & NUCLEIC ACIDS 2003; 21:547-60. [PMID: 12484450 DOI: 10.1081/ncn-120015068] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
The synthesis of 2,2'-bipyridinyl-2'-deoxyuridine metal-chelator nucleosides (Bipy-dU) with either ethynyl or ethylenyl linkers was now been accomplished. These new nucleosides will permit the construction of a number of corresponding metallo-DNA conjugates where many types of metals can be complexed to the 2,2'-bipyridinyl chelator group and the resulting metallo-dU conjugates incorporated into DNA oligonucleotides. Additionally this paper also reports the synthesis of a di-N-alkylated bipyridinediiumyl-2'-deoxyuridine nucleoside (Bipy(2+)-dU) with an ethylenyl linker. The Bipy(2+)-dU nucleoside was found to decompose under basic conditions precluding its use in standard automated DNA-synthesis by the phosphoramidite method. No such restrictions apply to the two Bipy-dU nucleosides reported here for use as metal chelators.
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Affiliation(s)
- Samir T Gaballah
- Department of Chemistry, Georgia State University, Atlanta, GA 30303, USA
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