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Cvijetić IN, Verbić TŽ, Ernesto de Resende P, Stapleton P, Gibbons S, Juranić IO, Drakulić BJ, Zloh M. Design, synthesis and biological evaluation of novel aryldiketo acids with enhanced antibacterial activity against multidrug resistant bacterial strains. Eur J Med Chem 2017; 143:1474-1488. [PMID: 29133041 DOI: 10.1016/j.ejmech.2017.10.045] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2017] [Revised: 10/04/2017] [Accepted: 10/15/2017] [Indexed: 01/05/2023]
Abstract
Antimicrobial resistance (AMR) is a major health problem worldwide, because of ability of bacteria, fungi and viruses to evade known therapeutic agents used in treatment of infections. Aryldiketo acids (ADK) have shown antimicrobial activity against several resistant strains including Gram-positive Staphylococcus aureus bacteria. Our previous studies revealed that ADK analogues having bulky alkyl group in ortho position on a phenyl ring have up to ten times better activity than norfloxacin against the same strains. Rational modifications of analogues by introduction of hydrophobic substituents on the aromatic ring has led to more than tenfold increase in antibacterial activity against multidrug resistant Gram positive strains. To elucidate a potential mechanism of action for this potentially novel class of antimicrobials, several bacterial enzymes were identified as putative targets according to literature data and pharmacophoric similarity searches for potent ADK analogues. Among the seven bacterial targets chosen, the strongest favorable binding interactions were observed between most active analogue and S. aureus dehydrosqualene synthase and DNA gyrase. Furthermore, the docking results in combination with literature data suggest that these novel molecules could also target several other bacterial enzymes, including prenyl-transferases and methionine aminopeptidase. These results and our statistically significant 3D QSAR model could be used to guide the further design of more potent derivatives as well as in virtual screening for novel antibacterial agents.
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Affiliation(s)
- Ilija N Cvijetić
- Innovation Center of the Faculty of Chemistry, University of Belgrade, Studentski trg 16, Belgrade, Serbia.
| | - Tatjana Ž Verbić
- Faculty of Chemistry, University of Belgrade, Studentski trg 16, Belgrade, Serbia
| | | | - Paul Stapleton
- UCL School of Pharmacy, University College London, London, UK
| | - Simon Gibbons
- UCL School of Pharmacy, University College London, London, UK
| | - Ivan O Juranić
- Institute of Chemistry, Technology and Metallurgy, Department of Chemistry, University of Belgrade, Njegoševa 12, Belgrade, Serbia
| | - Branko J Drakulić
- Institute of Chemistry, Technology and Metallurgy, Department of Chemistry, University of Belgrade, Njegoševa 12, Belgrade, Serbia
| | - Mire Zloh
- University of Hertfordshire, College Lane, Hatfield, AL10 9AB, UK.
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Cvijetić IN, Tanç M, Juranić IO, Verbić TŽ, Supuran CT, Drakulić BJ. 5-Aryl-1H-pyrazole-3-carboxylic acids as selective inhibitors of human carbonic anhydrases IX and XII. Bioorg Med Chem 2015; 23:4649-4659. [DOI: 10.1016/j.bmc.2015.05.052] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2015] [Revised: 05/26/2015] [Accepted: 05/29/2015] [Indexed: 11/25/2022]
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Marković JM, Trišović NP, Mutavdžić D, Radotić K, Juranić IO, Drakulić BJ, Marinković AD. Solvatochromism of symmetrical 2,6-distyrylpyridines. An experimental and theoretical study. Spectrochim Acta A Mol Biomol Spectrosc 2015; 135:435-446. [PMID: 25108111 DOI: 10.1016/j.saa.2014.07.023] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/16/2014] [Revised: 07/11/2014] [Accepted: 07/15/2014] [Indexed: 06/03/2023]
Abstract
Seven symmetrical 2,6-distyrylpyridines, phenyl-substituted with hydrogen-bond donors, hydrogen-bond acceptors, halogens and hydrophobic moieties were synthesized and their spectroscopic characterization was done. Solvent effects on the absorption and fluorescence spectra were analyzed and quantified using the Kamlet-Taft and Catalán approach. The obtained results were rationalized by comparison of electrostatic potentials of the molecules in the ground and in excited state and by comparison of the frontier molecular orbitals (HOMO and LUMO), derived from quantum-mechanical calculations (HF, DFT, MP2). Analysis of the results revealed an important influence of non-specific (dispersive) interactions on the solvatochromic behavior of the compounds. 1D and 2D NMR data, in silico obtained conformational assembly of the compound, and the NMR analysis of molecular flexibility in solution (NAMFIS), were used to estimate population of conformers and to deconvolute the UV-Vis spectrum of representative derivative; inferring that the conformational assembly is more complex than was assumed in so far published literature data for this class of compounds. Along with this, the emission spectra of the representative compounds were decomposed by the Multivariate Curve Resolution analysis.
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Affiliation(s)
- Jelena M Marković
- Faculty of Technology and Metallurgy, University of Belgrade, Karnegijeva 4, 11000 Belgrade, Serbia
| | - Nemanja P Trišović
- Faculty of Technology and Metallurgy, University of Belgrade, Karnegijeva 4, 11000 Belgrade, Serbia.
| | - Dragosav Mutavdžić
- Institute for Multidisciplinary Research, University of Belgrade, Kneza Višeslava 1, 11000 Beograd, Serbia
| | - Ksenija Radotić
- Institute for Multidisciplinary Research, University of Belgrade, Kneza Višeslava 1, 11000 Beograd, Serbia
| | - Ivan O Juranić
- Department of Chemistry, Institute of Chemistry, Technology and Metallurgy, University of Belgrade, Njegoševa 12, 11000 Belgrade, Serbia
| | - Branko J Drakulić
- Department of Chemistry, Institute of Chemistry, Technology and Metallurgy, University of Belgrade, Njegoševa 12, 11000 Belgrade, Serbia
| | - Aleksandar D Marinković
- Faculty of Technology and Metallurgy, University of Belgrade, Karnegijeva 4, 11000 Belgrade, Serbia
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Cvijetić IN, Petrović DD, Verbić TŽ, Juranić IO, Drakulić BJ. Human Serum Albumin Binding of 2-[(Carboxymethyl)sulfanyl]-4-oxo-4-(4-tert-butylphenyl)butanoic Acid and its Mono-Me Ester. ADMET DMPK 2014. [DOI: 10.5599/admet.2.2.28] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
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Juranić IO, Tošić AV, Kolundžija B, Drakulić BJ. Antiproliferative activity of the Michael adducts of aroylacrylic acids and cyclic amines. Mol Divers 2014; 18:577-92. [PMID: 24874228 DOI: 10.1007/s11030-014-9528-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2013] [Accepted: 05/06/2014] [Indexed: 10/25/2022]
Abstract
Antiproliferative activity of twenty one Michael adducts of aroylacrylic acids and cyclic amines (N-Me-piperazine, imidazole, 2-Me-imidazole, and indole) was tested toward five human tumor cell lines (HeLa, LS174, K562, FemX, MDA-MB-361) in vitro. Compounds exerted antiproliferative activity in the high to the single-digit micromolar concentrations, causing increase of the cell population fraction in S phase and apoptosis. N-Me-piperazine and imidazole derivatives of aroylacrylic acids substituted with bulky alkyl substituents (2,4-di-i-Pr-Ph-, 2,4,6-tri-Et-Ph-, or β-tetrahydronaphthyl-) showed the best potency, while indole adducts were proved as the inferior antiproliferative agents. Few compounds showed significant selectivity, tumor versus healthy cells, with selectivity index ~60 for the most selective congener. An unbiased in silico distinction between more and less potent compounds was obtained from 3D QSAR models derived by alignment-independent GRIND-2 descriptors.
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Affiliation(s)
- Ivan O Juranić
- Department of Chemistry - IChTM, University of Belgrade, Njegoševa 12, 11000 , Belgrade, Serbia
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Vitnik VD, Vitnik ŽJ, Banjac NR, Valentić NV, Ušćumlić GS, Juranić IO. Quantum mechanical and spectroscopic (FT-IR, 13C, 1H NMR and UV) investigations of potent antiepileptic drug 1-(4-chloro-phenyl)-3-phenyl-succinimide. Spectrochim Acta A Mol Biomol Spectrosc 2014; 117:42-53. [PMID: 23981413 DOI: 10.1016/j.saa.2013.07.099] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/16/2013] [Revised: 07/20/2013] [Accepted: 07/31/2013] [Indexed: 06/02/2023]
Abstract
This study represents an integrated approach towards understanding the vibrational, electronic, NMR, and structural aspects, and reactivity of 1-(4-chloro-phenyl)-3-phenyl-succinimide (CPPS). A detailed interpretation of the FT-IR, UV and NMR spectra were reported. The equilibrium geometry, bonding features, and harmonic vibrational frequencies have been investigated with the help of density functional theory (DFT) B3LYP method using 6-31G(d,p) and 6-311++G(d,p) basis set. The scaled theoretical wavenumber showed very good agreement with the experimental values. The (1)H and (13)C nuclear magnetic resonance (NMR) chemical shifts of the molecule were calculated by the Gauge-Invariant Atomic Orbital (GIAO) method. Stability of the molecule, arising from hyperconjugative interactions and charge delocalization, has been analyzed using Natural Bond Orbital (NBO) analysis. The results show that ED in the σ(*) and π(*) antibonding orbitals and second order delocalization energies E(2) confirm the occurrence of intramolecular charge transfer (ICT) within the molecule. UV-Vis spectrum of the compound was recorded and the electronic properties, such as HOMO and LUMO energies, were calculated by Time-Dependent DFT (TD-DFT) approach. To estimate chemical reactivity of the molecule, the molecular electrostatic potential (MEP) surface map is calculated for the optimized geometry of the molecule.
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Affiliation(s)
- Vesna D Vitnik
- Department of Chemistry, IChTM, University of Belgrade, Studentski trg 12-16, 11001 Belgrade, Serbia.
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Cvijetić IN, Vitorović-Todorović MD, Juranić IO, Drakulić BJ. Reactivity of (E)-4-aryl-4-oxo-2-butenoic acid arylamides toward 2-mercaptoethanol. A LFER study. Monatsh Chem 2013. [DOI: 10.1007/s00706-013-1084-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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Vitorović-Todorović MD, Erić-Nikolić A, Kolundžija B, Hamel E, Ristić S, Juranić IO, Drakulić BJ. (E)-4-aryl-4-oxo-2-butenoic acid amides, chalcone-aroylacrylic acid chimeras: design, antiproliferative activity and inhibition of tubulin polymerization. Eur J Med Chem 2013; 62:40-50. [PMID: 23353745 PMCID: PMC3622813 DOI: 10.1016/j.ejmech.2013.01.006] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2012] [Revised: 12/29/2012] [Accepted: 01/04/2013] [Indexed: 11/27/2022]
Abstract
Antiproliferative activity of twenty-nine (E)-4-aryl-4-oxo-2-butenoic acid amides against three human tumor cell lines (HeLa, FemX, and K562) is reported. Compounds showed antiproliferative activity in one-digit micromolar to submicromolar concentrations. The most active derivatives toward all the cell lines tested bear alkyl substituents on the aroyl moiety of the molecules. Fourteen compounds showed tubulin assembly inhibition at concentrations <20 μM. The most potent inhibitor of tubulin assembly was unsubstituted compound 1, with IC50 = 2.9 μM. Compound 23 had an oral LD50in vivo of 45 mg/kg in mice. Cell cycle analysis on K562 cells showed that compounds 1, 2 and 23 caused accumulation of cells in the G2/M phase, but inhibition of microtubule polymerization is not the principal mode of action of the compounds. Nevertheless, they may be useful leads for the design of a new class of antitubulin agents.
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Vitnik VD, Vitnik ZJ, Juranić IO. Carbenic vs. ionic mechanistic pathway in reaction of cyclohexanone with bromoform. J Mol Model 2012; 18:4721-8. [PMID: 22660943 DOI: 10.1007/s00894-012-1468-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2012] [Accepted: 05/13/2012] [Indexed: 10/28/2022]
Abstract
The extensive computation study was done to elucidate the mechanism of formation dibromoepoxide from cyclohexanone and bromoform. In this reaction, the formation of dihaloepoxide 2 is postulated as a key step that determines the distribution and stereochemistry of products. Two mechanistic paths of reaction were investigated: the addition of dibromocarbene to carbonyl group of ketone, and the addition of tribromomethyl carbanion to the same (C=O) group. The mechanisms for the addition reactions of dibromocarbenes and tribromomethyl carbanions with cyclohexanone have been investigated using ab initio HF/6-311++G** and MP2/6-311+G* level of theory. Solvent effects on these reactions have been explored by calculations which included a continuum polarizable conductor model (CPCM) for the solvent (H₂O). The calculations showed that both mechanisms are possible and are exothermic, but have markedly different activation energies.
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Affiliation(s)
- Vesna D Vitnik
- Department of Chemistry, IChTM, University of Belgrade, Studentski Trg 12-16, 11000 Belgrade, Serbia.
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Vitorović-Todorović MD, Cvijetić IN, Juranić IO, Drakulić BJ. The 3D-QSAR study of 110 diverse, dual binding, acetylcholinesterase inhibitors based on alignment independent descriptors (GRIND-2). The effects of conformation on predictive power and interpretability of the models. J Mol Graph Model 2012; 38:194-210. [PMID: 23073222 DOI: 10.1016/j.jmgm.2012.08.001] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2012] [Revised: 07/31/2012] [Accepted: 08/01/2012] [Indexed: 11/19/2022]
Abstract
The 3D-QSAR analysis based on alignment independent descriptors (GRIND-2) was performed on the set of 110 structurally diverse, dual binding AChE reversible inhibitors. Three separate models were built, based on different conformations, generated following next criteria: (i) minimum energy conformations, (ii) conformation most similar to the co-crystalized ligand conformation, and (iii) docked conformation. We found that regardless on conformation used, all the three models had good statistic and predictivity. The models revealed the importance of protonated pyridine nitrogen of tacrine moiety for anti AChE activity, and recognized HBA and HBD interactions as highly important for the potency. This was revealed by the variables associated with protonated pyridinium nitrogen, and the two amino groups of the linker. MIFs calculated with the N1 (pyridinium nitrogen) and the DRY GRID probes in the AChE active site enabled us to establish the relationship between amino acid residues within AChE active site and the variables having high impact on models. External predictive power of the models was tested on the set of 40 AChE reversible inhibitors, most of them structurally different from the training set. Some of those compounds were tested on the different enzyme source. We found that external predictivity was highly sensitive on conformations used. Model based on docked conformations had superior predictive ability, emphasizing the need for the employment of conformations built by taking into account geometrical restrictions of AChE active site gorge.
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Cvijetić IN, Žižak ŽP, Stanojković TP, Juranić ZD, Terzić N, Opsenica IM, Opsenica DM, Juranić IO, Drakulić BJ. An alignment independent 3D QSAR study of the antiproliferative activity of 1,2,4,5-tetraoxanes. Eur J Med Chem 2010; 45:4570-7. [DOI: 10.1016/j.ejmech.2010.07.019] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2009] [Revised: 07/11/2010] [Accepted: 07/12/2010] [Indexed: 10/19/2022]
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Valentić NV, Vitnik ŽJ, Mijin DŽ, Ušćumlić GS, Todorović N, Juranić IO. Linear free energy relationships of the 13C NMR chemical shifts in 5-(3- and 4-substituted arylazo)-4,6-dimethyl-3-cyano-2-pyridones. ARKIVOC 2010. [DOI: 10.3998/ark.5550190.0010.d20] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
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Vitorović-Todorović MD, Juranić IO, Mandić LM, Drakulić BJ. 4-Aryl-4-oxo-N-phenyl-2-aminylbutyramides as acetyl- and butyrylcholinesterase inhibitors. Preparation, anticholinesterase activity, docking study, and 3D structure-activity relationship based on molecular interaction fields. Bioorg Med Chem 2009; 18:1181-93. [PMID: 20061157 DOI: 10.1016/j.bmc.2009.12.042] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2009] [Revised: 11/16/2009] [Accepted: 12/15/2009] [Indexed: 11/30/2022]
Abstract
Synthesis and anticholinesterase activity of 4-aryl-4-oxo-N-phenyl-2-aminylbutyramides, novel class of reversible, moderately potent cholinesterase inhibitors, are reported. Simple substituent variation on aroyl moiety changes anti-AChE activity for two orders of magnitude; also substitution and type of hetero(ali)cycle in position 2 of butanoic moiety govern AChE/BChE selectivity. The most potent compounds showed mixed-type inhibition, indicating their binding to free enzyme and enzyme-substrate complex. Alignment-independent 3D QSAR study on reported compounds, and compounds having similar potencies obtained from the literature, confirmed that alkyl substitution on aroyl moiety of molecules is requisite for inhibition activity. The presence of hydrophobic moiety at close distance from hydrogen bond acceptor has favorable influence on inhibition potency. Docking studies show that compounds probably bind in the middle of the AChE active site gorge, but are buried deeper inside BChE active site gorge, as a consequence of larger BChE gorge void.
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Novaković SB, Bogdanović GA, Drakulić BJ, Spasojević-de Biré A, Juranić IO. Charge-density study of ( E)-4-(2,4-diisopropylphenyl)-4-oxo-2-butenoic acid. Acta Crystallogr A 2009. [DOI: 10.1107/s0108767309095348] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
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Nikolić JB, Ušćumlić GS, Juranić IO. A comparative LSER study of the reactivity of 2-substituted cyclohex-1-eneacetic and 2-substituted phenylacetic acids with diazodiphenylmethane in various solvents. INT J CHEM KINET 2009. [DOI: 10.1002/kin.20437] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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Marinković AD, Jovanović BŽ, Todorović N, Juranić IO. Linear free energy relationships of the 1H and 13C NMR chemical shifts in 3-cyano-4-(substituted phenyl)-6-phenyl-2(1H)pyridones. J Mol Struct 2009. [DOI: 10.1016/j.molstruc.2008.10.018] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Drakulić BJ, Juranić IO, Erić S, Zloh M. Role of complexes formation between drugs and penetration enhancers in transdermal delivery. Int J Pharm 2008; 363:40-9. [DOI: 10.1016/j.ijpharm.2008.06.032] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2008] [Revised: 06/23/2008] [Accepted: 06/28/2008] [Indexed: 10/21/2022]
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Dilber SP, Žižak ŽS, Stanojković TP, Juranić ZD, Drakulić BJ, Juranić IO. Antiproliferative Activity of β-Hydroxy- β-Arylalkanoic Acids. Int J Mol Sci 2007. [PMCID: PMC3685236] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
Abstract
Article describes the synthesis of fifteen β-hydroxy-β-arylalkanoic acids by Reformatsky reaction using the 1-ethoxyethyl-2-bromoalkanoates, aromatic or cycloalkyl ketones or aromatic aldehydes. The short survey of previously reported synthetic procedures for title compounds, is given. The majority of obtained compounds exert antiproliferative activity in vitro toward human: HeLa, Fem-X cells, K562, and LS174 cells, having IC50 values from 62.20 to 205 μM. The most active compound is 3-OH-2,2-di-Me-3-(4- biphenylyl)-butanoic acid, having the IC50 value 62.20 μM toward HeLa cells. Seven examined compounds did not affect proliferation of healthy human blood peripheral mononuclear cells (PBMC and PBMC+ PHA), IC50 > 300 μM. The preliminary QSAR results show that estimated lipophilicity of compounds influences their antiproliferative activity in the first place. The ability of dehydration, and the spatial arrangement of hydrophobic portion, HBD and HBA in molecules are has almost equal importance as lipophilicity.
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Affiliation(s)
- Sanda P. Dilber
- Faculty of Pharmacy, University of Belgrade, Vojvode Stepe 450, 11000 Belgrade, Serbia; E-Mail:
| | - Željko S. Žižak
- Institute for Oncology and Radiology of Serbia, Pasterova 14, 11000 Belgrade, Serbia; E-Mails: ; ;
| | - Tatjana P. Stanojković
- Institute for Oncology and Radiology of Serbia, Pasterova 14, 11000 Belgrade, Serbia; E-Mails: ; ;
| | - Zorica D. Juranić
- Institute for Oncology and Radiology of Serbia, Pasterova 14, 11000 Belgrade, Serbia; E-Mails: ; ;
| | - Branko J. Drakulić
- Department of Chemistry, Institute of Chemistry, Technology and Metallurgy, Njegoševa 12, 11000 Belgrade, Serbia; E-Mail:
| | - Ivan O. Juranić
- Faculty of Chemistry, University of Belgrade, P.O. Box 158, 11001 Belgrade, Serbia; E-Mail: ,Author to whom correspondence should be addressed
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Miodragović ZM, Bogdanović GA, Krajčinović BB, Drakulić BJ, Kusigerski VB, Miodragović DU, Spasojević VV, Hodžić IM, Juranić IO. Synthesis, structure and magnetic properties of the first copper(II) complex with an (E)-4-aryl-4-oxo-2-butenoato ligand. INORG CHEM COMMUN 2006. [DOI: 10.1016/j.inoche.2006.07.029] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Juranić IO, Drakulić BJ, Petrović SD, Mijin DZ, Stanković MV. A QSAR study of acute toxicity of N-substituted fluoroacetamides to rats. Chemosphere 2006; 62:641-9. [PMID: 16002123 DOI: 10.1016/j.chemosphere.2005.05.005] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/22/2004] [Revised: 04/26/2005] [Accepted: 05/01/2005] [Indexed: 05/03/2023]
Abstract
Acute toxicity in vivo toward rats, of nineteen N-alkyl and N-cycloalkyl fluorocetamides [F-CH(2)-C(O)-NH-R] was correlated with their structure-dependent properties. Used descriptors are: molecular weights (M(w)) and heat of formation (DeltaH(f)) of compounds; molar refractivity (CMR), lipophilicity (ClogP), Broto lipol values, virtual logP, molecular lipophilic potential (MLP), Van der Waals surfaces (VdW SAS) and hydropathicity surface (ILM) of whole molecules; Taft steric parameters (E(s)); E(s) values with Hancock corrections (E(s)(CH)) and Verloop sterimol (B(5)) and (L) parameters of alkyl and cycloalkyl residues; superdelocalizabilities and electron densities on the [NH-C(O)-CH(2)-F] fragment. Strong quantitative structure-activity relationships were assessed. Obtained correlation suggested that lipophilicity, shape and bulkiness of the alkyl and cycloalkyl substituents, particular nearest vicinity of the amide nitrogen, as well charges on the amide moiety are the main factors that influence on the acute toxicity of studied compounds toward rats. Mechanism of toxic action was proposed.
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Affiliation(s)
- Ivan O Juranić
- Faculty of Chemistry, University of Belgrade, P.O. Box 151, 11001 Belgrade, Serbia and Montenegro
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Drakulić BJ, Juranić ZD, Stanojković TP, Juranić IO. 2-[(Carboxymethyl)sulfanyl]-4-oxo-4-arylbutanoic Acids Selectively Suppressed Proliferation of Neoplastic Human HeLa Cells. A SAR/QSAR Study. J Med Chem 2005; 48:5600-3. [PMID: 16107160 DOI: 10.1021/jm0502889] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
A series of twenty alkyl-, halo-, and methoxy-aryl-substituted 2-[(carboxymethyl)sulfanyl]-4-oxo-4-arylbutanoic acids were synthesized. The new compounds, called CSAB, suppressed proliferation of human cervix carcinoma, HeLa cells, in vitro in a concentration range of 0.644 to 29.48 microM/L. Two compounds exhibit antiproliferative activity in sub-micromolar concentrations. Five compounds act in low micromolar concentrations (<2 microM/L). The most active compounds exert lower cytotoxicity toward healthy human peripheral blood mononuclear cells (PBMC and PBMC+PHA) (selectivity indexes > 10). A strong structure-activity relationship, using estimated log P values and BCUT descriptors, was observed.
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Affiliation(s)
- Branko J Drakulić
- Institute for Chemistry, Technology and Metallurgy, Njegoseva 12, Belgrade, Serbia and Montenegro.
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Drakulić BJ, Juranić ZD, Juranić IO. 2-[(Carboxymethyl)sulfanyl]-4-oxo-4-arylbutanoic Acids Suppressed Survival of Neoplastic Human HeLa Cells: A QSAR Study. PHOSPHORUS SULFUR 2005. [DOI: 10.1080/10426500590913294] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Affiliation(s)
- Branko J. Drakulić
- a Institute for Chemistry, Technology and Metallurgy , Belgrade, Serbia and Montenegro
| | - Zorica D. Juranić
- b Institute for Oncology and Radiology of Serbia , Belgrade, Serbia and Montenegro
| | - Ivan O. Juranić
- c Faculty of Chemistry, University of Belgrade , Belgrade, Serbia and Montenegro
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Juranić ZD, Stanojković TP, Stanojević-Bakić N, Milosević D, Radulović S, Juranić IO. Lyophilized whole human melanoma cells stimulate human PBMC proliferation and enhance suppressive action of PBMC toward survival of the same malignant cell line in vitro. Neoplasma 1999; 46:224-30. [PMID: 10613602] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/15/2023]
Abstract
The goal of this work was to determine: a) do lyophilized human melanoma BG or Fem-X cells affect the proliferative capacity of normal human peripheral blood mononuclear cells (PBMC) and b) does the PBMC six-days preincubation in nutrient medium with FBS with, or without lyophilized human melanoma BG or Fem-x cells, affect their suppressive action on the survival of the same malignant cell line in vitro. In the aim to avoid any stimulating effect of FBS, other group of experiments were done in nutrient medium with human AB serum in order to determine: c) does the PBMC six-day-preincubation with lyophilized human melanoma BG or Fem-x cells affect their antiproliferative action on the corresponding malignant cell line in vitro and d) does the PBMC six-day preincubation with lyophilized normal PBMC, obtained from healthy volunteer (as a source of allogenous, but not of tumor antigens), affect their suppressive action on the survival of both melanoma BG and Fern-x cell lines in vitro. Results obtained in the presence of FBS in nutrient medium, showed that lyophilized BG cells induced a proliferation of the healthy PBMC, depending on the number of stimulating lyophilized cells. Lyophilized Fem-x cells induced healthy PBMC proliferation in lesser degree than lyophilized BG cells. This stimulation was almost constant, not dependent on the number of stimulating lyophilized Fem-x cells. Six-day stimulation in vitro by both lyophilized melanoma cells enhanced the suppressive action of PBMC on the survival of the corresponding malignant cell line. Experiments done in nutrient medium with normal human AB serum showed that six-day stimulation with lyophilized melanoma cells enhanced, again, the suppressive action of PBMC on the survival of the corresponding malignant cell line. Contrary, six day preincubation of normal PBMC with the lyophilized healthy PBMC (obtained from other healthy person) inhibited their suppressive action on the survival of both malignant cell lines in vitro.
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Affiliation(s)
- Z D Juranić
- Institute for Oncology and Radiology of Serbia, Belgrade, Yugoslavia
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