1
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Ossowicz-Rupniewska P, Klebeko J, Georgieva I, Apostolova S, Struk Ł, Todinova S, Tzoneva RD, Guncheva M. Tuning of the Anti-Breast Cancer Activity of Betulinic Acid via Its Conversion to Ionic Liquids. Pharmaceutics 2024; 16:496. [PMID: 38675157 PMCID: PMC11053683 DOI: 10.3390/pharmaceutics16040496] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2024] [Revised: 03/14/2024] [Accepted: 03/28/2024] [Indexed: 04/28/2024] Open
Abstract
Betulinic acid (BA) is a natural pentacyclic triterpene with diverse biological activities. However, its low water solubility limits its pharmaceutical application. The conversion of pharmaceutically active molecules into ionic liquids (ILs) is a promising strategy to improve their physicochemical properties, stability, and/or potency. Here, we report the synthesis and characterization of 15 novel ILs containing a cation ethyl ester of a polar, non-polar, or charged amino acid [AAOEt] and an anion BA. Except for [ValOEt][BA], we observed preserved or up to 2-fold enhanced cytotoxicity toward hormone-dependent breast cancer cells MCF-7. The estimated IC50 (72 h) values within the series varied between 4.8 and 25.7 µM. We found that the most cytotoxic IL, [LysOEt][BA]2, reduced clonogenic efficiency to 20% compared to that of BA. In addition, we evaluated the effect of a 72 h treatment with BA or [LysOEt][BA]2, the most cytotoxic compound, on the thermodynamic behavior of MCF-7 cells. Based on our data, we suggest that the charged amino acid lysine included in the novel ILs provokes cytotoxicity by a mechanism involving alteration in membrane lipid organization, which could be accompanied by modulation of the visco-elastic properties of the cytoplasm.
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Affiliation(s)
- Paula Ossowicz-Rupniewska
- Department of Chemical Organic Technology and Polymeric Materials, Faculty of Chemical Technology and Engineering, West Pomeranian University of Technology, Piastów Ave. 42, 71-065 Szczecin, Poland; (P.O.-R.); (J.K.)
| | - Joanna Klebeko
- Department of Chemical Organic Technology and Polymeric Materials, Faculty of Chemical Technology and Engineering, West Pomeranian University of Technology, Piastów Ave. 42, 71-065 Szczecin, Poland; (P.O.-R.); (J.K.)
| | - Irina Georgieva
- Institute of Biophysics and Biomedical Engineering, Bulgarian Academy of Sciences, Acad. G. Bonchev Str., Bl. 21, 1113 Sofia, Bulgaria; (I.G.); (S.A.); (S.T.); (R.D.T.)
| | - Sonia Apostolova
- Institute of Biophysics and Biomedical Engineering, Bulgarian Academy of Sciences, Acad. G. Bonchev Str., Bl. 21, 1113 Sofia, Bulgaria; (I.G.); (S.A.); (S.T.); (R.D.T.)
| | - Łukasz Struk
- Department of Organic and Physical Chemistry, Faculty of Chemical Technology and Engineering, West Pomeranian University of Technology, Piastów Ave. 42, 71-065 Szczecin, Poland;
| | - Svetla Todinova
- Institute of Biophysics and Biomedical Engineering, Bulgarian Academy of Sciences, Acad. G. Bonchev Str., Bl. 21, 1113 Sofia, Bulgaria; (I.G.); (S.A.); (S.T.); (R.D.T.)
| | - Rumiana Dimitrova Tzoneva
- Institute of Biophysics and Biomedical Engineering, Bulgarian Academy of Sciences, Acad. G. Bonchev Str., Bl. 21, 1113 Sofia, Bulgaria; (I.G.); (S.A.); (S.T.); (R.D.T.)
| | - Maya Guncheva
- Institute of Organic Chemistry with Centre of Phytochemistry, Bulgarian Academy of Sciences, Acad. G. Bonchev Str., Bl. 9, 1113 Sofia, Bulgaria
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2
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Drici N. The influence of the hydrogen-bond network on the structure and dynamics of the RAPRKKG heptapeptide and its mutants. J Mol Graph Model 2023; 125:108598. [PMID: 37586130 DOI: 10.1016/j.jmgm.2023.108598] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2023] [Revised: 08/02/2023] [Accepted: 08/08/2023] [Indexed: 08/18/2023]
Abstract
The structural behaviour of the RAPRKKG heptapeptide after individual or multiple mutations was inspected through molecular dynamics simulation. The nature of the mutations provided information on the flexibility of the heptapeptide and on how water molecules establish hydrogen bonds with it. The structural behaviour of the wild-type and the mutated structures were measured through the analysis of protein‒protein and protein‒solvent hydrogen bonds. The conformational behaviours of the different structures were analysed through free energy landscape analysis. The flexibility characteristics of the mutants seem to depend on the reorganization of water molecules and their static or dynamic behaviour around amino acid side chains.
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Affiliation(s)
- Nedjoua Drici
- University of Mostaganem, Abdelhamid Ibn Badis, Faculty of Exact Sciences and Informatics, Chemin des cretes ex INES, Mostaganem, 27000, Algeria; Laboratoire de Chimie Physique Macromoleculaire LCPM, University of Oran1 Ahmed benbella, Oran, 31000, Algeria.
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3
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Klebeko J, Krüger O, Dubicki M, Ossowicz-Rupniewska P, Janus E. Isopropyl Amino Acid Esters Ionic Liquids as Vehicles for Non-Steroidal Anti-Inflammatory Drugs in Potential Topical Drug Delivery Systems with Antimicrobial Activity. Int J Mol Sci 2022; 23:ijms232213863. [PMID: 36430346 PMCID: PMC9693575 DOI: 10.3390/ijms232213863] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2022] [Revised: 11/02/2022] [Accepted: 11/03/2022] [Indexed: 11/12/2022] Open
Abstract
New derivatives of non-steroidal anti-inflammatory drugs were synthesized via conjugation with L-amino acid isopropyl esters. The characteristics of the physicochemical properties of the obtained pharmaceutically active ionic liquids were determined. It has been shown how the incorporation of various L-amino acid esters as an ion pair affects the properties of the parent drug. Moreover, the antimicrobial activity of the obtained compounds was evaluated. The proposed structural modifications of commonly used drugs indicate great potential for use in topical and transdermal preparations.
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Affiliation(s)
- Joanna Klebeko
- Department of Chemical Organic Technology and Polymeric Materials, Faculty of Chemical Technology and Engineering, West Pomeranian University of Technology in Szczecin, Piastów Ave. 42, 71065 Szczecin, Poland
- Correspondence: ; Tel.: +48-449-48-01
| | - Oliver Krüger
- Department II Mathematics, Physics and Chemistry, Berliner Hochschule für Technik, Luxemburger Straße, 13353 Berlin, Germany
| | - Mateusz Dubicki
- Department of Inorganic Chemical Technology and Environment Engineering, Faculty of Chemical Technology and Engineering, West Pomeranian University of Technology in Szczecin, Piastów Ave. 42, 71065 Szczecin, Poland
| | - Paula Ossowicz-Rupniewska
- Department of Chemical Organic Technology and Polymeric Materials, Faculty of Chemical Technology and Engineering, West Pomeranian University of Technology in Szczecin, Piastów Ave. 42, 71065 Szczecin, Poland
| | - Ewa Janus
- Department of Chemical Organic Technology and Polymeric Materials, Faculty of Chemical Technology and Engineering, West Pomeranian University of Technology in Szczecin, Piastów Ave. 42, 71065 Szczecin, Poland
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4
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Taşkor Önel G, Saygılı N. Synthesis and Cyclooxygenase Enzyme Inhibitory Activity of Flurbiprofen Analogues: Simple Methodology of Their Nanoemulsion Systems. ChemistrySelect 2022. [DOI: 10.1002/slct.202201654] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Gülce Taşkor Önel
- Department of Analytical Chemistry Faculty of Pharmacy Erzincan Binali Yıldırım University Yalnızbağ 24100 Erzincan Turkey
| | - Nezire Saygılı
- Department of Basic Pharmaceutical Sciences Faculty of Pharmacy Hacettepe University Sıhhiye 06100 Ankara Turkey
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5
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Strategy for Conjugating Oligopeptides to Mesoporous Silica Nanoparticles Using Diazirine-Based Heterobifunctional Linkers. NANOMATERIALS 2022; 12:nano12040608. [PMID: 35214937 PMCID: PMC8880541 DOI: 10.3390/nano12040608] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/07/2021] [Revised: 02/02/2022] [Accepted: 02/06/2022] [Indexed: 11/17/2022]
Abstract
Successful strategies for the attachment of oligopeptides to mesoporous silica with pores large enough to load biomolecules should utilize the high surface area of pores to provide an accessible, protective environment. A two-step oligopeptide functionalization strategy is examined here using diazirine-based heterobifunctional linkers. Mesoporous silica nanoparticles (MSNPs) with average pore diameter of ~8 nm and surface area of ~730 m2/g were synthesized and amine-functionalized. Tetrapeptides Gly-Gly-Gly-Gly (GGGG) and Arg-Ser-Ser-Val (RSSV), and a peptide comprised of four copies of RSSV (4RSSV), were covalently attached via their N-terminus to the amine groups on the particle surface by a heterobifunctional linker, sulfo-succinimidyl 6-(4,4′-azipentanamido)hexanoate (sulfo-NHS-LC-diazirine, or SNLD). SNLD consists of an amine-reactive NHS ester group and UV-activable diazirine group, providing precise control over the sequence of attachment steps. Attachment efficiency of RSSV was measured using fluorescein isothiocyanate (FITC)-tagged RSSV (RSSV-FITC). TGA analysis shows similar efficiency (0.29, 0.31 and 0.26 mol peptide/mol amine, respectively) for 4G, RSSV and 4RSSV, suggesting a generalizable method of peptide conjugation. The technique developed here for the conjugation of peptides to MSNPs provides for their attachment in pores and can be translated to selective peptide-based separation and concentration of therapeutics from aqueous process and waste streams.
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6
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Świątek E, Ossowicz-Rupniewska P, Janus E, Nowak A, Sobolewski P, Duchnik W, Kucharski Ł, Klimowicz A. Novel Naproxen Salts with Increased Skin Permeability. Pharmaceutics 2021; 13:2110. [PMID: 34959392 PMCID: PMC8704648 DOI: 10.3390/pharmaceutics13122110] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2021] [Revised: 12/02/2021] [Accepted: 12/02/2021] [Indexed: 11/17/2022] Open
Abstract
The paper presents the synthesis, full identification, and characterization of new salts-L-proline alkyl ester naproxenates [ProOR][NAP], where R was a chain from ethyl to butyl (including isopropyl). All obtained compounds were characterized by Nuclear Magnetic Resonance (NMR), Fourier transform infrared spectroscopy (FTIR), X-ray powder diffractometry (XRD), and in vitro dissolution studies. The specific rotation, phase transition temperatures (melting point), and thermal stability were also determined. In addition, their lipophilicity, permeability, and accumulation in pigskin were determined. Finally, toxicity against mouse L929 fibroblast cells was tested. The obtained naproxen derivatives showed improved solubility and higher absorption of drug molecules by biological membranes. Their lipophilicity was lower and increased with the increase in the alkyl chain of the ester. The derivative with isopropyl ester had the best permeability through pigskin. The use of L-proline isopropyl ester naproxenate increased the permeation of naproxen through the skin almost four-fold. It was also shown that the increase in permeability is not associated with additional risk: all compounds had a similar effect on cell viability as the parent naproxen.
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Affiliation(s)
- Ewelina Świątek
- Department of Chemical Organic Technology and Polymeric Materials, Faculty of Chemical Technology and Engineering, West Pomeranian University of Technology in Szczecin, Piastów Ave. 42, PL-71065 Szczecin, Poland; (E.Ś.); (E.J.)
| | - Paula Ossowicz-Rupniewska
- Department of Chemical Organic Technology and Polymeric Materials, Faculty of Chemical Technology and Engineering, West Pomeranian University of Technology in Szczecin, Piastów Ave. 42, PL-71065 Szczecin, Poland; (E.Ś.); (E.J.)
| | - Ewa Janus
- Department of Chemical Organic Technology and Polymeric Materials, Faculty of Chemical Technology and Engineering, West Pomeranian University of Technology in Szczecin, Piastów Ave. 42, PL-71065 Szczecin, Poland; (E.Ś.); (E.J.)
| | - Anna Nowak
- Department of Cosmetic and Pharmaceutical Chemistry, Pomeranian Medical University in Szczecin, Powstańców Wielkopolskich Ave. 72, PL-70111 Szczecin, Poland; (A.N.); (W.D.); (Ł.K.); (A.K.)
| | - Peter Sobolewski
- Department of Polymer and Biomaterials Science, Faculty of Chemical Technology and Engineering, West Pomeranian University of Technology in Szczecin, Piastów Ave. 45, PL-70311 Szczecin, Poland;
| | - Wiktoria Duchnik
- Department of Cosmetic and Pharmaceutical Chemistry, Pomeranian Medical University in Szczecin, Powstańców Wielkopolskich Ave. 72, PL-70111 Szczecin, Poland; (A.N.); (W.D.); (Ł.K.); (A.K.)
| | - Łukasz Kucharski
- Department of Cosmetic and Pharmaceutical Chemistry, Pomeranian Medical University in Szczecin, Powstańców Wielkopolskich Ave. 72, PL-70111 Szczecin, Poland; (A.N.); (W.D.); (Ł.K.); (A.K.)
| | - Adam Klimowicz
- Department of Cosmetic and Pharmaceutical Chemistry, Pomeranian Medical University in Szczecin, Powstańców Wielkopolskich Ave. 72, PL-70111 Szczecin, Poland; (A.N.); (W.D.); (Ł.K.); (A.K.)
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7
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Williams AE, Hammer NI, Fortenberry RC, Reinemann DN. Tracking the Amide I and αCOO- Terminal ν(C=O) Raman Bands in a Family of l-Glutamic Acid-Containing Peptide Fragments: A Raman and DFT Study. Molecules 2021; 26:4790. [PMID: 34443382 PMCID: PMC8399447 DOI: 10.3390/molecules26164790] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2021] [Revised: 08/02/2021] [Accepted: 08/04/2021] [Indexed: 11/16/2022] Open
Abstract
The E-hook of β-tubulin plays instrumental roles in cytoskeletal regulation and function. The last six C-terminal residues of the βII isotype, a peptide of amino acid sequence EGEDEA, extend from the microtubule surface and have eluded characterization with classic X-ray crystallographic techniques. The band position of the characteristic amide I vibration of small peptide fragments is heavily dependent on the length of the peptide chain, the extent of intramolecular hydrogen bonding, and the overall polarity of the fragment. The dependence of the E residue's amide I ν(C=O) and the αCOO- terminal ν(C=O) bands on the neighboring side chain, the length of the peptide fragment, and the extent of intramolecular hydrogen bonding in the structure are investigated here via the EGEDEA peptide. The hexapeptide is broken down into fragments increasing in size from dipeptides to hexapeptides, including EG, ED, EA, EGE, EDE, DEA, EGED, EDEA, EGEDE, GEDEA, and, finally, EGEDEA, which are investigated with experimental Raman spectroscopy and density functional theory (DFT) computations to model the zwitterionic crystalline solids (in vacuo). The molecular geometries and Boltzmann sum of the simulated Raman spectra for a set of energetic minima corresponding to each peptide fragment are computed with full geometry optimizations and corresponding harmonic vibrational frequency computations at the B3LYP/6-311++G(2df,2pd) level of theory. In absence of the crystal structure, geometry sampling is performed to approximate solid phase behavior. Natural bond order (NBO) analyses are performed on each energetic minimum to quantify the magnitude of the intramolecular hydrogen bonds. The extent of the intramolecular charge transfer is dependent on the overall polarity of the fragment considered, with larger and more polar fragments exhibiting the greatest extent of intramolecular charge transfer. A steady blue shift arises when considering the amide I band position moving linearly from ED to EDE to EDEA to GEDEA and, finally, to EGEDEA. However, little variation is observed in the αCOO- ν(C=O) band position in this family of fragments.
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Affiliation(s)
- Ashley E. Williams
- Department of Chemistry and Biochemistry, University of Mississippi, University, MS 38677, USA; (A.E.W.); (N.I.H.)
| | - Nathan I. Hammer
- Department of Chemistry and Biochemistry, University of Mississippi, University, MS 38677, USA; (A.E.W.); (N.I.H.)
| | - Ryan C. Fortenberry
- Department of Chemistry and Biochemistry, University of Mississippi, University, MS 38677, USA; (A.E.W.); (N.I.H.)
| | - Dana N. Reinemann
- Department of Biomedical Engineering, University of Mississippi, University, MS 38677, USA
- Department of Chemical Engineering, University of Mississippi, University, MS 38677, USA
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8
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Williams AE, Davis JE, Reynolds JE, Fortenberry RC, Hammer NI, Reinemann DN. Determination of vibrational band positions in the E-hook of β-tubulin. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2021; 244:118895. [PMID: 32919160 DOI: 10.1016/j.saa.2020.118895] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/15/2020] [Revised: 05/22/2020] [Accepted: 08/25/2020] [Indexed: 06/11/2023]
Abstract
Raman spectral characterization of the β-TUBB2A E-hook hexapeptide, EGEDEA, is determined through experimental analysis combined with full geometry optimizations and corresponding harmonic vibrational frequency computations employing DFT methods. The hexapeptide is first broken down into di- and tetrapeptide fragments which are analyzed both quantum chemically and experimentally, and then combined to achieve an energetic minimum of the large EGEDEA hexapeptide. The Raman spectral characterization of EGEDEA band positions are then verified via the literature and comparison to the small fragment's similarly located band positions. The approach employed provides further evidence for the use of fragments as a helpful tool in characterization of the vibrational band positions of large peptides. STATEMENT OF SIGNIFICANCE: To investigate β-TUBB2A E-hook hexapeptide, a unique approach is employed whereby the hexapeptide is broken into fragments, EG, ED, EA, EGED, and EDEA and analyzed via experimental Raman spectroscopy of the crystalline solids. The experimentally observed vibrational band positions are compared to those computed using and scaled from DFT methods and Pople's 6-311+G(2df,2pd) basis set. The reported vibrational band positions are also confirmed by previously reported bands of similar peptides in the literature. This methodology facilitates differentiation between the behaviors of various side chains and their influence on the structure of the hexapeptide, providing insight into not only the nature of the peptide but also defining regions for potential protein and cytoplasmic interactions, without requiring excessive computing resources or overly-sensitive experimental methods.
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Affiliation(s)
- Ashley E Williams
- Department of Chemistry and Biochemistry, University of Mississippi, University, MS 38677, United States of America
| | - Juliana E Davis
- Department of Biomedical Engineering, University of Mississippi, University, MS 38677, United States of America
| | - Justin E Reynolds
- Department of Biomedical Engineering, University of Mississippi, University, MS 38677, United States of America
| | - Ryan C Fortenberry
- Department of Chemistry and Biochemistry, University of Mississippi, University, MS 38677, United States of America
| | - Nathan I Hammer
- Department of Chemistry and Biochemistry, University of Mississippi, University, MS 38677, United States of America
| | - Dana N Reinemann
- Department of Biomedical Engineering, University of Mississippi, University, MS 38677, United States of America; Department of Chemical Engineering, University of Mississippi, University, MS 38677, United States of America.
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9
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Czepa W, Witomska S, Ciesielski A, Samorì P. Reduced graphene oxide-silsesquioxane hybrid as a novel supercapacitor electrode. NANOSCALE 2020; 12:18733-18741. [PMID: 32970083 DOI: 10.1039/d0nr05226d] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Supercapacitor energy storage devices recently garnered considerable attention due to their cost-effectiveness, eco-friendly nature, high power density, moderate energy density, and long-term cycling stability. Such figures of merit render supercapacitors unique energy sources to power portable electronic devices. Among various energy storage materials, graphene-related materials have established themselves as ideal electrodes for the development of elite supercapacitors because of their excellent electrical conductivity, high surface area, outstanding mechanical properties combined with the possibility to tailor various physical and chemical properties via chemical functionalization. Increasing the surface area is a powerful strategy to improve the performance of supercapacitors. Here, modified polyhedral oligosilsesquioxane (POSS) is used to improve the electrochemical performance of reduced graphene oxide (rGO) through the enhancement of porosity and the extension of interlayer space between the sheets allowing efficient electrolyte transport. rGO-POSS hybrids exhibited a high specific capacitance of 174 F g-1, power density reaching 2.25 W cm-3, and high energy density of 41.4 mW h cm-3 endowed by the introduction of POSS spacers. Moreover, these electrode materials display excellent durability reaching >98% retention after 5000 cycles.
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Affiliation(s)
- Włodzimierz Czepa
- Faculty of Chemistry, Adam Mickiewicz University, ul. Uniwersytetu Poznańskiego 8, 61614 Poznań, Poland
- Center for Advanced Technologies, Adam Mickiewicz University, Uniwersytetu Poznańskiego 10, 61614 Poznań, Poland
| | - Samanta Witomska
- Faculty of Chemistry, Adam Mickiewicz University, ul. Uniwersytetu Poznańskiego 8, 61614 Poznań, Poland
- Center for Advanced Technologies, Adam Mickiewicz University, Uniwersytetu Poznańskiego 10, 61614 Poznań, Poland
| | - Artur Ciesielski
- Center for Advanced Technologies, Adam Mickiewicz University, Uniwersytetu Poznańskiego 10, 61614 Poznań, Poland
- Université de Strasbourg, CNRS, ISIS, 8 alleé Gaspard Monge, 67000 Strasbourg, France.
| | - Paolo Samorì
- Université de Strasbourg, CNRS, ISIS, 8 alleé Gaspard Monge, 67000 Strasbourg, France.
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10
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Sarrigiannidis S, Moussa H, Dobre O, Dalby MJ, Tamimi F, Salmeron-Sanchez M. Chiral Tartaric Acid Improves Fracture Toughness of Bioactive Brushite-Collagen Bone Cements. ACS APPLIED BIO MATERIALS 2020; 3:5056-5066. [PMID: 32904797 PMCID: PMC7461128 DOI: 10.1021/acsabm.0c00555] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2020] [Accepted: 07/06/2020] [Indexed: 01/08/2023]
Abstract
Brushite cements are promising bone regeneration materials with limited biological and mechanical properties. Here, we engineer a mechanically improved brushite-collagen type I cement with enhanced biological properties by use of chiral chemistry; d- and l-tartaric acid were used to limit crystal growth and increase the mechanical properties of brushite-collagen cements. The impact of the chiral molecules on the cements was examined with Fourier-transform infrared spectroscopy (FTIR), X-ray diffraction (XRD), and scanning electron microscopy (SEM). A 3-point bend test was utilized to study the fracture toughness, and cell attachment and morphology studies were carried out to demonstrate biocompatibility. XRD and SEM analyses showed that l-, but not d-tartaric acid, significantly restrained brushite crystal growth by binding to the {010} plane of the mineral and increased brushite crystal packing and the collagen interaction area. l-Tartaric acid significantly improved fracture toughness compared to traditional brushite by 30%. Collagen significantly enhanced cell morphology and focal adhesion expression on l-tartaric acid-treated brushite cements.
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Affiliation(s)
- Stylianos
O. Sarrigiannidis
- Centre
for the Cellular Microenvironment, University
of Glasgow, Rankine Building, 79−85 Oakfield Ave, Glasgow G12 8LT, United
Kingdom
| | - Hanan Moussa
- Faculty
of Dentistry, McGill University, Strathcona Building, 3640 University
Street, Montreal, Quebec H3A 2B2, Canada
- Faculty
of Dentistry, Benghazi University, Benghazi 9504, Libya
| | - Oana Dobre
- Centre
for the Cellular Microenvironment, University
of Glasgow, Rankine Building, 79−85 Oakfield Ave, Glasgow G12 8LT, United
Kingdom
| | - Matthew J. Dalby
- Centre
for the Cellular Microenvironment, University
of Glasgow, Joseph Black Building, University Pl, Glasgow G12 8QQ, United Kingdom
| | - Faleh Tamimi
- Faculty
of Dentistry, McGill University, Strathcona Building, 3640 University
Street, Montreal, Quebec H3A 2B2, Canada
- College
of Dental Medicine, Qatar University, Doha, Qatar
| | - Manuel Salmeron-Sanchez
- Centre
for the Cellular Microenvironment, University
of Glasgow, Rankine Building, 79−85 Oakfield Ave, Glasgow G12 8LT, United
Kingdom
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11
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Prabha R, Nigam VK. Biotransformation of acrylamide to acrylic acid carried through acrylamidase enzyme synthesized from whole cells of Bacillus tequilensis (BITNR004). BIOCATAL BIOTRANSFOR 2020. [DOI: 10.1080/10242422.2020.1780211] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Affiliation(s)
- Riddhi Prabha
- Department of Bio-Engineering, Birla Institute of Technology, Mesra, Ranchi, Jharkhand, India
| | - Vinod Kumar Nigam
- Department of Bio-Engineering, Birla Institute of Technology, Mesra, Ranchi, Jharkhand, India
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12
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Buchanan C, Garvey CJ, Puskar L, Perlmutter P, Mechler A. Coordination crosslinking of helical substituted oligoamide nanorods with Cu(II). Supramol Chem 2020. [DOI: 10.1080/10610278.2020.1730839] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Affiliation(s)
- Claire Buchanan
- Department of Chemistry and Physics, La Trobe University, Bundoora, Australia
| | - Christopher J Garvey
- Australian Nuclear Science and Technology Organization (ANSTO), Lucas Heights, Australia
- Lund Institute for Advanced Neutron and X-ray Science (LINXS), Lund, Sweden
- Biofilms Research Center for Biointerfaces, Department of Biomedical Science, Health and Society, Malmö University, Malmö, Sweden
| | - Ljiljana Puskar
- Helmholtz Zentrum Berlin für Materialien und Energie GmbH, Berlin, Germany
| | - Patrick Perlmutter
- Department of Chemistry and Physics, La Trobe University, Bundoora, Australia
| | - Adam Mechler
- Department of Chemistry and Physics, La Trobe University, Bundoora, Australia
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13
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Ivanova B, Spiteller M. Noncentrosymmetric organic crystals of barbiturates as potential nonlinear optical phores: experimental and theoretical analyses. CHEMICAL PAPERS 2019. [DOI: 10.1007/s11696-019-00835-5] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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14
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Ivanova B, Spiteller M. Collision-induced thermochemistry of reactions of dissociation of glycyl-homopeptides-An experimental and theoretical analysis. Biopolymers 2016; 107:80-89. [DOI: 10.1002/bip.22996] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2016] [Revised: 09/24/2016] [Accepted: 09/30/2016] [Indexed: 02/04/2023]
Affiliation(s)
- Bojidarka Ivanova
- Lehrstuhl für Analytische Chemie, Institut für Umweltforschung, Fakultät für Chemie und Chemische Biologie, Universität Dortmund; Otto-Hahn-Straße 6 44221 Dortmund Nordrhein-Westfalen Deutschland
| | - Michael Spiteller
- Lehrstuhl für Analytische Chemie, Institut für Umweltforschung, Fakultät für Chemie und Chemische Biologie, Universität Dortmund; Otto-Hahn-Straße 6 44221 Dortmund Nordrhein-Westfalen Deutschland
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Bee S, Choudhary N, Gupta A, Tandon P. Molecular structure and vibrational spectra ofN-acetylglycine oligomers and polyglycine I using DFT approach. Biopolymers 2014; 101:795-813. [DOI: 10.1002/bip.22458] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2013] [Revised: 12/26/2013] [Accepted: 12/27/2013] [Indexed: 11/11/2022]
Affiliation(s)
- Saba Bee
- Department of Applied Physics; Institute of Engineering and Technology; M. J. P. Rohilkhand University; Bareilly India
| | - Neetu Choudhary
- Department of Applied Physics; Institute of Engineering and Technology; M. J. P. Rohilkhand University; Bareilly India
| | - Archana Gupta
- Department of Applied Physics; Institute of Engineering and Technology; M. J. P. Rohilkhand University; Bareilly India
| | - Poonam Tandon
- Department of Physics; University of Lucknow; Lucknow India
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Honarparvar B, Govender T, Maguire GEM, Soliman MES, Kruger HG. Integrated Approach to Structure-Based Enzymatic Drug Design: Molecular Modeling, Spectroscopy, and Experimental Bioactivity. Chem Rev 2013; 114:493-537. [DOI: 10.1021/cr300314q] [Citation(s) in RCA: 87] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Affiliation(s)
- Bahareh Honarparvar
- Catalysis
and Peptide Research Unit and ‡School of Health Sciences, University of KwaZulu Natal, Durban 4001, South Africa
| | - Thavendran Govender
- Catalysis
and Peptide Research Unit and ‡School of Health Sciences, University of KwaZulu Natal, Durban 4001, South Africa
| | - Glenn E. M. Maguire
- Catalysis
and Peptide Research Unit and ‡School of Health Sciences, University of KwaZulu Natal, Durban 4001, South Africa
| | - Mahmoud E. S. Soliman
- Catalysis
and Peptide Research Unit and ‡School of Health Sciences, University of KwaZulu Natal, Durban 4001, South Africa
| | - Hendrik G. Kruger
- Catalysis
and Peptide Research Unit and ‡School of Health Sciences, University of KwaZulu Natal, Durban 4001, South Africa
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Singh S, Srivastava SK, Donfack P, Schlücker S, Materny A, Asthana BP. Molecular interactions of 2'-deoxyguanosine 5'-monophosphate with glycine in aqueous media probed via concentration and pH dependent Raman spectroscopic investigations and DFT study. Phys Chem Chem Phys 2013; 14:14315-24. [PMID: 23008833 DOI: 10.1039/c2cp41205e] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
In order to gain insights into nucleotide-protein interaction, the molecular interaction of glycine (Gly) with 2'-deoxyguanosine 5'-monophosphate (dGMP) was monitored in aqueous media through Raman spectroscopic measurements and density functional theory (DFT) calculations. Raman spectra of dGMP, glycine and their binary mixtures (dGMP + Gly) in aqueous media at 10 different concentrations corresponding to the dGMP : Gly molar ratios varying from 1 : 1 to 1 : 10 were recorded in the fingerprint region 2000-400 cm(-1). Raman spectra of the dGMP : Gly mixture with a molar ratio of 1 : 3 in aqueous media at 10 different pH values starting from 1 to 10 at an interval of 1 were also recorded. The DFT calculations were performed on dGMP, glycine and their various complexes with varying number of H(2)O molecules in gas phase as well as in solvation using hybrid functional B3LYP employing the high level basis set 6-311+G(d,p). The variations in the observed spectral features were explained in terms of calculated optimized structures of dGMP, glycine and their various complexes with water molecules and a good spectra-structure correlation was obtained. Raman spectra of glycine in 1.2 M aqueous solution were also recorded at three pH values, 2, 6 and 10, and the subtle differences in the spectral features were correlated with the calculated Raman spectra of protonated, deprotonated and zwitterionic forms of glycine. The results also give experimental evidence rather convincingly that the zwitterionic and protonated forms of glycine are formed at pH = 6 and 2, respectively, but even at pH = 10, deprotonated glycine is not formed. An important aspect of this study is the monitoring of the interaction of dGMP with the zwitterionic form of glycine giving insightful details regarding the binding site.
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Affiliation(s)
- Shweta Singh
- Department of Physics, Banaras Hindu University, Varanasi, India
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18
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Guardiani C, Procacci P. The conformational landscape of tartrate-based inhibitors of the TACE enzyme as revealed by Hamiltonian Replica Exchange simulation. Phys Chem Chem Phys 2013; 15:9186-96. [DOI: 10.1039/c3cp00108c] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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19
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Ivanova B, Spiteller M. Coordination ability of silver(I) with antimycins and actinomycins – Properties of the T-shaped chromophores. Polyhedron 2012. [DOI: 10.1016/j.poly.2012.03.018] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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20
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Ivanova B, Spiteller M. Conformation, optical properties, and absolute configuration of 2′,3′-isopropylideneadenosines: Theoretical vs. experimental study. J Mol Struct 2011. [DOI: 10.1016/j.molstruc.2011.08.027] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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21
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Crystal Structure of the N-Benzyloxycarbonyl-alanyl-phenylalanyl-methyl Ester: The Importance of the H-Bonding Pattern. CRYSTALS 2011. [DOI: 10.3390/cryst1030163] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
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22
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Lamshöft M, Ivanova B. Protonation and coordination ability of small peptides – theoretical and experimental approaches for elucidation. J COORD CHEM 2011. [DOI: 10.1080/00958972.2011.598926] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Affiliation(s)
- Marc Lamshöft
- a Institute of Environmental Research of the Faculty of Chemistry, Dortmund University of Technology , Otto-Hahn-Str. 6, D-44227 Dortmund, Germany
| | - Bojidarka Ivanova
- a Institute of Environmental Research of the Faculty of Chemistry, Dortmund University of Technology , Otto-Hahn-Str. 6, D-44227 Dortmund, Germany
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23
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Ivanova B, Kolev T, Lamshöft M, Mayer-Figge H, Seidel R, Sheldrick W, Spiteller M. Structural, spectroscopic and theoretical study of novel ephedrinum salt. J Mol Struct 2010. [DOI: 10.1016/j.molstruc.2010.02.039] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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24
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Ivanova BB, Seidel RW, Kolev T, Sheldrick W, Spiteller M. 2-(Phenylethyl)ammonium hydrogensquarate hemihydrate: crystal structure, solid-state IR-spectroscopic and theoretical characterization. Amino Acids 2010; 39:309-14. [DOI: 10.1007/s00726-009-0451-4] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2009] [Accepted: 12/12/2009] [Indexed: 10/20/2022]
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25
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Kotov S, Tsanev TD. Spectroscopic and structural study of novel 8-aminoquinoline derivative embedded in nematic host. J INCL PHENOM MACRO 2009. [DOI: 10.1007/s10847-009-9564-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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26
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Koleva B, Spiteller M, Kolev T. Polarized spectroscopic elucidation of N-acetyl-l-cysteine, l-cysteine, l-cystine, l-ascorbic acid and a tool for their determination in solid mixtures. Amino Acids 2009; 38:295-304. [DOI: 10.1007/s00726-009-0250-y] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2008] [Accepted: 01/26/2009] [Indexed: 11/28/2022]
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