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Belal A, Elballal MS, Al-Karmalawy AA, Hassan AHE, Roh EJ, Ghoneim MM, Ali MAM, Obaidullah AJ, Alotaibi JM, Shaaban S, Elanany MA. Exploring the sedative properties of natural molecules from hop cones ( Humulus lupulus) as promising natural anxiolytics through GABA receptors and the human serotonin transporter. Front Chem 2024; 12:1425485. [PMID: 39050372 PMCID: PMC11267477 DOI: 10.3389/fchem.2024.1425485] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2024] [Accepted: 06/14/2024] [Indexed: 07/27/2024] Open
Abstract
This research work aimed to identify the main components that are responsible for the sedative properties of hop cones and allocate their targets. This investigation was performed through molecular docking, molecular dynamic simulations, root mean square fluctuation (RMSF) analysis, and DFT calculation techniques. The tested compounds from Humulus lupulus were compared to diazepam and paroxetine. Molecular docking showed that two-thirds of the compounds had a good affinity to gamma-aminobutyric acid (GABA), outperforming diazepam, while only three surpassed paroxetine on the SERT. Compounds 3,5-dihydroxy-4,6,6-tris(3-methylbut-2-en-1-yl)-2-(3-methylbutanoyl)cyclohexa-2,4-dien-1-one (5) and (S,E)-8-(3,7-dimethylocta-2,6-dien-1-yl)-5,7-dihydroxy-2-(4-hydroxyphenyl)chromen-4-one (15) showed stable binding and favorable energy parameters, indicating their potential for targeting GABA receptors and the SERT. This study provides a basis for future clinical research on these promising compounds.
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Affiliation(s)
- Amany Belal
- Department of Pharmaceutical Chemistry, College of Pharmacy, Taif University, Taif, Saudi Arabia
| | - Mohammed S. Elballal
- Department of Biochemistry, Faculty of Pharmacy, Badr University in Cairo (BUC), Cairo, Egypt
| | - Ahmed A. Al-Karmalawy
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Horus University-Egypt, New Damietta, Egypt
- Pharmaceutical Chemistry Department, Faculty of Pharmacy, Ahram Canadian University, Giza, Egypt
| | - Ahmed H. E. Hassan
- Deparment of Medicinal Chemistry, Faculty of Pharmacy, Mansoura University, Mansoura, Egypt
| | - Eun Joo Roh
- Chemical and Biological Integrative Research Center, Korea Institute of Science and Technology (KIST), Seoul, Republic of Korea
- Division of Bio-Medical Science and Technology, University of Science and Technology, Daejeon, Republic of Korea
| | - Mohammed M. Ghoneim
- Department of Pharmacy Practice, College of Pharmacy, Almaarefa University, Ad Diriyah, Saudi Arabia
| | - Mohamed A. M. Ali
- Department of Biology, College of Science, Imam Mohammad Ibn Saud Islamic University (IMSIU), Riyadh, Saudi Arabia
- Department of Biochemistry, Faculty of Science, Ain Shams University, Cairo, Egypt
| | - Ahmad J. Obaidullah
- Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, Riyadh, Saudi Arabia
| | - Jawaher M. Alotaibi
- Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, Riyadh, Saudi Arabia
| | - Salwa Shaaban
- Department of Microbiology and Immunology, Faculty of Pharmacy, Suef University, Beni-Suef, Egypt
- Department of Clinical Laboratory Sciences, Faculty of Applied Medical Sciences, King Khalid University, Abha, Saudi Arabia
| | - Mohamed A. Elanany
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Badr University in Cairo (BUC), Cairo, Egypt
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Jevtovic V, Golubović L, Alshammari B, Alshammari MR, Rajeh SY, Alreshidi MA, Alshammari OAO, Rakić A, Dimić D. Crystal Structure, Theoretical Analysis, and Protein/DNA Binding Activity of Iron(III) Complex Containing Differently Protonated Pyridoxal- S-Methyl-Isothiosemicarbazone Ligands. Int J Mol Sci 2024; 25:7058. [PMID: 39000166 PMCID: PMC11241004 DOI: 10.3390/ijms25137058] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2024] [Revised: 06/20/2024] [Accepted: 06/21/2024] [Indexed: 07/16/2024] Open
Abstract
Pyridoxal-S-methyl-isothiosemicarbazone (PLITSC) is a member of an important group of ligands characterized by different complexation modes to various transition metals. In this contribution, a new complex containing two differently protonated PLITSC ligands ([Fe(PLITSC-H)(PLITSC)]SO4)∙2.5H2O was obtained. The crystal structure was solved by the X-ray analysis and used further for the optimization at B3LYP/6-311++G(d,p)(H,C,N,O,S)/def2-TZVP(Fe) level of theory. Changes in the interaction strength and bond distance due to protonation were observed upon examination by the Quantum Theory of Atoms in Molecules. The protein binding affinity of [Fe(PLITSC-H)(PLITSC)]SO4 towards transport proteins (Bovine Serum Albumin (BSA) and Human Serum Albumin (HSA)) was investigated by the spectrofluorimetric titration and molecular docking. The interactions with the active pocket containing fluorescent amino acids were examined in detail, which explained the fluorescence quenching. The interactions between complex and DNA were followed by the ethidium-bromide displacement titration and molecular docking. The binding along the minor groove was the dominant process involving complex in the proximity of DNA.
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Affiliation(s)
- Violeta Jevtovic
- Department of Chemistry, College of Science, University Ha'il, Ha'il 81451, Saudi Arabia
| | - Luka Golubović
- Faculty of Physical Chemistry, University of Belgrade, Studentski trg 12-16, 11000 Belgrade, Serbia
| | - Badriah Alshammari
- Department of Chemistry, College of Science, University Ha'il, Ha'il 81451, Saudi Arabia
| | | | - Sahar Y Rajeh
- Department of Chemistry, College of Science, University Ha'il, Ha'il 81451, Saudi Arabia
| | - Maha Awjan Alreshidi
- Department of Chemistry, College of Science, University Ha'il, Ha'il 81451, Saudi Arabia
| | - Odeh A O Alshammari
- Department of Chemistry, College of Science, University Ha'il, Ha'il 81451, Saudi Arabia
| | - Aleksandra Rakić
- Faculty of Physical Chemistry, University of Belgrade, Studentski trg 12-16, 11000 Belgrade, Serbia
| | - Dušan Dimić
- Faculty of Physical Chemistry, University of Belgrade, Studentski trg 12-16, 11000 Belgrade, Serbia
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Kawka A, Hajdaś G, Kułaga D, Koenig H, Kowalczyk I, Pospieszny T. Molecular structure, spectral and theoretical study of new type bile acid–sterol conjugates linked via 1,2,3-triazole ring. J Mol Struct 2023. [DOI: 10.1016/j.molstruc.2022.134313] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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Çelik F, Süleymanoğlu N, Ustabaş R, Türkan F, Güler Hİ, Ünver Y, Kahriman N. New chalcone derivative, ethyl 2-(4-(3-(benzo[ b]thiophen-2-yl)acryloyl)phenoxy)acetate: synthesis, characterization, DFT study, enzyme inhibition activities and docking study. J Biomol Struct Dyn 2022; 40:12260-12267. [PMID: 34445923 DOI: 10.1080/07391102.2021.1969287] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Chalcone derivative, ethyl 2-(4-(3-(benzo[b]thiophen-2yl)acryloyl)phenoxy)acetate (I), was synthesized. Compound I was characterized by proton and carbon-13 nuclear magnetic resonance (1H- and 13C- NMR), fourier transform infrared (FTIR) and mass (LC-ESI-MS/MS) spectroscopic methods. Density Functional Theory (DFT) calculations for compound I were performed at B3LYP/6-311++G(d,p) level. Optimized geometry, frontier molecular orbitals (HOMO; highest occupied molecular orbital; LUMO: lowest unoccupied molecular orbital), IR and NMR parameters of compound I were obtained. The evaluations reveal that the calculation results support the experimental results. The inhibition effects of compound I on cholinesterases and GST enzyme were investigated. Ki and inhibition concentration (IC50) values were calculated separately. Ki values of compound I were found for GST 14.19 ± 2.15, for AChE 11.13 ± 1.22 and for BChE 8.74 ± 0.76 recpectively. The docking analysis of compound I supported the enzym inhibition activity exhibiting high inhibition constant and binding energy for three receptors. Compound I is strongly bound to AChE, huBChE and Glutathione S-transferase with binding energies -11.24, -8.56 and -10.39 kcal/mol, respectively.Communicated by Ramaswamy H. Sarma.
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Affiliation(s)
- Fatih Çelik
- Department of Chemistry, Faculty of Sciences, Karadeniz Technical University, Trabzon, Turkey
| | - Nevin Süleymanoğlu
- Vocational School of Technical Sciences, Gazi University, Ostim, Ankara, Turkey
| | - Reşat Ustabaş
- Department of Mathematics and Science Education, Educational Faculty, Ondokuz Mayıs University, Kurupelit, Samsun, Turkey
| | - Fikret Türkan
- Health Services Vocational School, Iğdır University, Iğdır, Turkey
| | - Halil İbrahim Güler
- Department of Molecular Biology and Genetics, Karadeniz Technical University Faculty of Science, Trabzon, Turkey
| | - Yasemin Ünver
- Department of Chemistry, Faculty of Sciences, Karadeniz Technical University, Trabzon, Turkey
| | - Nuran Kahriman
- Department of Chemistry, Faculty of Sciences, Karadeniz Technical University, Trabzon, Turkey
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Ratre P, Kulkarni S, Das S, Liang C, Mishra PK, Thareja S. Medicinal chemistry aspects and synthetic strategies of coumarin as aromatase inhibitors: an overview. MEDICAL ONCOLOGY (NORTHWOOD, LONDON, ENGLAND) 2022; 40:41. [PMID: 36471176 DOI: 10.1007/s12032-022-01916-4] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/10/2022] [Accepted: 11/24/2022] [Indexed: 12/12/2022]
Abstract
Coumarin is a bicyclic oxygen bearing heterocyclic scaffold formed by fusion of benzene with the pyrone ring. Because of its unique physicochemical characteristics and the ease with which it may be transformed into a wide range of functionalized coumarins during synthesis, coumarin provides a privileged scaffold for medicinal chemists. As a result, many coumarin derivatives have been developed, synthesized, and evaluated to target a variety of therapeutic domains, thereby making it an attractive template for designing novel anti-breast cancer compounds. The main culprit in estrogen overproduction in the estrogen-dependent breast cancer (EDBC), is the enzyme aromatase (AR), and it is thought to be a significant target for the effective treatment of EDBC. Considering coumarins versatility, this review presents a detailed overview of diverse study of aromatase as a target for coumarins. An overview of structure-activity relationship analysis of coumarin core is also included so as to summarize the desired pharmacophoric features essential for design and development of aromatase inhibitors (AIs) using coumarin core. Identification of key synthesis techniques that could aid researchers in designing and developing novel analogues with significant anti-breast cancer properties along with their mechanism of action have also been covered in the current review.
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Affiliation(s)
- Pooja Ratre
- Department of Pharmaceutical Sciences and Natural Products, School of Pharmaceutical Sciences, Central University of Punjab, Bathinda, Punjab, 151401, India
| | - Swanand Kulkarni
- Department of Pharmaceutical Sciences and Natural Products, School of Pharmaceutical Sciences, Central University of Punjab, Bathinda, Punjab, 151401, India
| | - Sweety Das
- Department of Pharmaceutical Sciences and Natural Products, School of Pharmaceutical Sciences, Central University of Punjab, Bathinda, Punjab, 151401, India
| | - Chengyuan Liang
- School of Food and Bioengineering, Shaanxi University of Science & Technology, Xi'an, 710 021, People's Republic of China
| | - Pradyumna Kumar Mishra
- Department of Molecular Biology, ICMR-National Institute for Research in Environmental Health, Bhopal, Madhya Pradesh, India
| | - Suresh Thareja
- Department of Pharmaceutical Sciences and Natural Products, School of Pharmaceutical Sciences, Central University of Punjab, Bathinda, Punjab, 151401, India.
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Jevtovic V, Alshammari N, Latif S, Alsukaibi AKD, Humaidi J, Alanazi TYA, Abdulaziz F, Matalka SI, Pantelić NĐ, Marković M, Rakić A, Dimić D. Synthesis, Crystal Structure, Theoretical Calculations, Antibacterial Activity, Electrochemical Behavior, and Molecular Docking of Ni(II) and Cu(II) Complexes with Pyridoxal-Semicarbazone. Molecules 2022; 27:molecules27196322. [PMID: 36234859 PMCID: PMC9570950 DOI: 10.3390/molecules27196322] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2022] [Revised: 09/16/2022] [Accepted: 09/19/2022] [Indexed: 12/25/2022] Open
Abstract
New Ni (II) and Cu (II) complexes with pyridoxal-semicarbazone were synthesized and their structures were solved by X-ray crystallography. This analysis showed the bis-ligand octahedral structure of [Ni(PLSC-H)2]·H2O and the dimer octahedral structure of [Cu(PLSC)(SO4)(H2O)]2·2H2O. Hirshfeld surface analysis was employed to determine the most important intermolecular interactions in the crystallographic structures. The structures of both complexes were further examined using density functional theory and natural bond orbital analysis. The photocatalytic decomposition of methylene blue in the presence of both compounds was investigated. Both compounds were active toward E. coli and S. aureus, with a minimum inhibition concentration similar to that of chloramphenicol. The obtained complexes led to the formation of free radical species, as was demonstrated in an experiment with dichlorofluorescein-diacetate. It is postulated that this is the mechanistic pathway of the antibacterial and photocatalytic activities. Cyclic voltammograms of the compounds showed the peaks of the reduction of metal ions. A molecular docking study showed that the Ni(II) complex exhibited promising activity towards Janus kinase (JAK), as a potential therapy for inflammatory diseases, cancers, and immunologic disorders.
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Affiliation(s)
- Violeta Jevtovic
- Department of Chemistry, College of Science, University of Hail, Ha’il 81451, Saudi Arabia
| | - Njood Alshammari
- Department of Chemistry, College of Science, University of Hail, Ha’il 81451, Saudi Arabia
| | - Salman Latif
- Department of Chemistry, College of Science, University of Hail, Ha’il 81451, Saudi Arabia
| | | | - Jamal Humaidi
- Department of Chemistry, College of Science, University of Hail, Ha’il 81451, Saudi Arabia
| | - Tahani Y. A. Alanazi
- Department of Chemistry, College of Science, University of Hail, Ha’il 81451, Saudi Arabia
| | - Fahad Abdulaziz
- Department of Chemistry, College of Science, University of Hail, Ha’il 81451, Saudi Arabia
| | - Samah I. Matalka
- Department of Chemistry, College of Science, University of Hail, Ha’il 81451, Saudi Arabia
| | - Nebojša Đ. Pantelić
- Department of Chemistry and Biochemistry, Faculty of Agriculture, University of Belgrade, Nemanjina 6, 11080 Belgrade, Serbia
| | - Milica Marković
- Faculty of Physical Chemistry, University of Belgrade, Studentski trg 12-16, 11000 Belgrade, Serbia
| | - Aleksandra Rakić
- Faculty of Physical Chemistry, University of Belgrade, Studentski trg 12-16, 11000 Belgrade, Serbia
| | - Dušan Dimić
- Faculty of Physical Chemistry, University of Belgrade, Studentski trg 12-16, 11000 Belgrade, Serbia
- Correspondence:
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Jevtović V, Hamoud H, Al-Zahrani S, Alenezi K, Latif S, Alanazi T, Abdulaziz F, Dimić D. Synthesis, Crystal Structure, Quantum Chemical Analysis, Electrochemical Behavior, and Antibacterial and Photocatalytic Activity of Co Complex with Pyridoxal-(S-Methyl)-isothiosemicarbazone Ligand. Molecules 2022; 27:4809. [PMID: 35956756 PMCID: PMC9369583 DOI: 10.3390/molecules27154809] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2022] [Revised: 07/22/2022] [Accepted: 07/23/2022] [Indexed: 01/17/2023] Open
Abstract
New complex Co(III) with ligand Pyridoxal-S-methyl-isothiosemicarbazone, (PLITSC) was synthesized. X-ray analysis showed the bis-ligand octahedral structure of the cobalt complex [Co(PLITSC-H)2]BrNO3·CH3OH (compound 1). The intermolecular interactions governing the crystal structure were described by the Hirsfeld surface analysis. The structure of compound 1 and the corresponding Zn complex (([Zn(PLTSC)(H2O)2]SO4·H2O)) were optimized at the B3LYP/6-31 + G (d,p)/LanL2DZ level of theory, and the applicability was assessed by comparison with the crystallographic structure. The natural bond orbital analysis was used for the discussion on the stability of formed compounds. The antibacterial activity of obtained complexes towards S. aureus and E. coli was determined, along with the effect of compound 1 on the formation of free radical species. Activity of compound 1 towards the removal of methylene blue was also investigated. The voltammograms of these compounds showed the reduction of metal ions, as well as the catalyzed reduction of CO2 in acidic media.
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Affiliation(s)
- Violeta Jevtović
- Department of Chemistry, College of Science, University of Ha’il, Ha’il 81451, Saudi Arabia; (V.J.); (H.H.); (S.A.-Z.); (K.A.); (S.L.); (T.A.); (F.A.)
| | - Haneen Hamoud
- Department of Chemistry, College of Science, University of Ha’il, Ha’il 81451, Saudi Arabia; (V.J.); (H.H.); (S.A.-Z.); (K.A.); (S.L.); (T.A.); (F.A.)
| | - Salma Al-Zahrani
- Department of Chemistry, College of Science, University of Ha’il, Ha’il 81451, Saudi Arabia; (V.J.); (H.H.); (S.A.-Z.); (K.A.); (S.L.); (T.A.); (F.A.)
| | - Khalaf Alenezi
- Department of Chemistry, College of Science, University of Ha’il, Ha’il 81451, Saudi Arabia; (V.J.); (H.H.); (S.A.-Z.); (K.A.); (S.L.); (T.A.); (F.A.)
| | - Salman Latif
- Department of Chemistry, College of Science, University of Ha’il, Ha’il 81451, Saudi Arabia; (V.J.); (H.H.); (S.A.-Z.); (K.A.); (S.L.); (T.A.); (F.A.)
| | - Tahani Alanazi
- Department of Chemistry, College of Science, University of Ha’il, Ha’il 81451, Saudi Arabia; (V.J.); (H.H.); (S.A.-Z.); (K.A.); (S.L.); (T.A.); (F.A.)
| | - Fahad Abdulaziz
- Department of Chemistry, College of Science, University of Ha’il, Ha’il 81451, Saudi Arabia; (V.J.); (H.H.); (S.A.-Z.); (K.A.); (S.L.); (T.A.); (F.A.)
| | - Dušan Dimić
- Faculty of Physical Chemistry, University of Belgrade, Studentski trg 12–16, 11000 Belgrade, Serbia
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Dimić DS, Kaluđerović GN, Avdović EH, Milenković DA, Živanović MN, Potočňák I, Samoľová E, Dimitrijević MS, Saso L, Marković ZS, Dimitrić Marković JM. Synthesis, Crystallographic, Quantum Chemical, Antitumor, and Molecular Docking/Dynamic Studies of 4-Hydroxycoumarin-Neurotransmitter Derivatives. Int J Mol Sci 2022; 23:1001. [PMID: 35055194 PMCID: PMC8780855 DOI: 10.3390/ijms23021001] [Citation(s) in RCA: 23] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2021] [Revised: 01/04/2022] [Accepted: 01/10/2022] [Indexed: 12/20/2022] Open
Abstract
In this contribution, four new compounds synthesized from 4-hydroxycoumarin and tyramine/octopamine/norepinephrine/3-methoxytyramine are characterized spectroscopically (IR and NMR), chromatographically (UHPLC-DAD), and structurally at the B3LYP/6-311++G*(d,p) level of theory. The crystal structure of the 4-hydroxycoumarin-octopamine derivative was solved and used as a starting geometry for structural optimization. Along with the previously obtained 4-hydroxycoumarin-dopamine derivative, the intramolecular interactions governing the stability of these compounds were quantified by NBO and QTAIM analyses. Condensed Fukui functions and the HOMO-LUMO gap were calculated and correlated with the number and position of OH groups in the structures. In vitro cytotoxicity experiments were performed to elucidate the possible antitumor activity of the tested substances. For this purpose, four cell lines were selected, namely human colon cancer (HCT-116), human adenocarcinoma (HeLa), human breast cancer (MDA-MB-231), and healthy human lung fibroblast (MRC-5) lines. A significant selectivity towards colorectal carcinoma cells was observed. Molecular docking and molecular dynamics studies with carbonic anhydrase, a prognostic factor in several cancers, complemented the experimental results. The calculated MD binding energies coincided well with the experimental activity, and indicated 4-hydroxycoumarin-dopamine and 4-hydroxycoumarin-3-methoxytyramine as the most active compounds. The ecotoxicology assessment proved that the obtained compounds have a low impact on the daphnia, fish, and green algae population.
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Affiliation(s)
- Dušan S. Dimić
- Faculty of Physical Chemistry, University of Belgrade, Studentski trg 12-16, 11000 Belgrade, Serbia;
| | - Goran N. Kaluđerović
- Department of Engineering and Natural Sciences, University of Applied Sciences Merseburg, Eberhard-Leibnitz-Straße 2, DE-06217 Merseburg, Germany;
| | - Edina H. Avdović
- Department of Science, Institute for Information Technologies, University of Kragujevac, Jovana Cvijića bb, 34000 Kragujevac, Serbia; (E.H.A.); (D.A.M.); (M.N.Ž.); (Z.S.M.)
| | - Dejan A. Milenković
- Department of Science, Institute for Information Technologies, University of Kragujevac, Jovana Cvijića bb, 34000 Kragujevac, Serbia; (E.H.A.); (D.A.M.); (M.N.Ž.); (Z.S.M.)
| | - Marko N. Živanović
- Department of Science, Institute for Information Technologies, University of Kragujevac, Jovana Cvijića bb, 34000 Kragujevac, Serbia; (E.H.A.); (D.A.M.); (M.N.Ž.); (Z.S.M.)
| | - Ivan Potočňák
- Institute of Chemistry, P. J. Šafárik University in Košice, Moyzesova 11, 04154 Košice, Slovakia;
| | - Erika Samoľová
- Institute of Physics of the Czech Academy of Sciences, Na Slovance 2, 182 21 Prague 8, Czech Republic;
| | - Milena S. Dimitrijević
- Department of Life Sciences, Institute for Multidisciplinary Research, University of Belgrade, Kneza Višeslava 1, 11030 Belgrade, Serbia;
| | - Luciano Saso
- Department of Physiology and Pharmacology “Vittorio Erspamer”, Sapienza University of Rome, P.le Aldo Moro 5, 00185 Rome, Italy;
| | - Zoran S. Marković
- Department of Science, Institute for Information Technologies, University of Kragujevac, Jovana Cvijića bb, 34000 Kragujevac, Serbia; (E.H.A.); (D.A.M.); (M.N.Ž.); (Z.S.M.)
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Milanović Ž, Dimić D, Žižić M, Milenković D, Marković Z, Avdović E. Mechanism of Antiradical Activity of Newly Synthesized 4,7-Dihydroxycoumarin Derivatives-Experimental and Kinetic DFT Study. Int J Mol Sci 2021; 22:13273. [PMID: 34948070 PMCID: PMC8709309 DOI: 10.3390/ijms222413273] [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: 11/01/2021] [Revised: 11/17/2021] [Accepted: 11/22/2021] [Indexed: 11/17/2022] Open
Abstract
Coumarin derivatives have proven beneficial biological activities, but the mechanism of their radical scavenging potency is not fully understood. In this study, the antiradical capacity of two newly synthesized 4,7-dihydroxycoumarin derivatives: (E)-3-(1-((3-hydroxy-4-methoxyphenyl)amino)-ethylidene)-2,4-dioxochroman-7-yl acetate (A-3OH) and (E)-3-(1-((4-hydroxy-3-methoxyphenyl)amino)ethylidene)-2,4-dioxochroman-7-yl acetate (A-4OH) towards HO• were examined by Electron Paramagnetic Resonance (EPR) Spectroscopy and Density Functional Theory (DFT). The compounds were fully characterized by the elemental microanalysis, IR, and NMR spectroscopies. The effect of pH on the acid-base equilibria is separately discussed and the predominant species at the physiological pH were determined. Several common mechanisms (Hydrogen Atom Transfer (HAT), Single-Electron Transfer followed by Proton Transfer (SET-PT), Sequential Proton Loss followed by Electron Transfer (SPLET), Radical Adduct Formation (RAF), and Intramolecular Hydrogen Atom Abstraction (iHAA)) of radical scavenging were investigated based on thermodynamic and kinetic parameters. EPR results indicated that both compounds significantly reduce the amount of present HO•. The results of the kinetic DFT study demonstrated that both compounds predominantly exhibit antiradical capacity through HAT and SPLET mechanisms. The estimated overall rate constants (koverall) proved that A-4OH shows better antioxidant capacity than A-3OH which is well-correlated with the results obtained by EPR measurement.
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Affiliation(s)
- Žiko Milanović
- Department of Science, Institute for Information Technologies, University of Kragujevac, Jovana Cvijića bb, 34000 Kragujevac, Serbia; (Ž.M.); (D.M.)
- Department of Chemistry, Faculty of Science, University of Kragujevac, Radoja Domanovića 12, 34000 Kragujevac, Serbia
| | - Dušan Dimić
- Faculty of Physical Chemistry, University of Belgrade, 12-16 Studentski trg, 11000 Belgrade, Serbia;
| | - Milan Žižić
- Life Sciences Department, Institute for Multidisciplinary Research, University of Belgrade, Kneza Višeslava 1, 11030 Belgrade, Serbia;
| | - Dejan Milenković
- Department of Science, Institute for Information Technologies, University of Kragujevac, Jovana Cvijića bb, 34000 Kragujevac, Serbia; (Ž.M.); (D.M.)
| | - Zoran Marković
- Department of Science, Institute for Information Technologies, University of Kragujevac, Jovana Cvijića bb, 34000 Kragujevac, Serbia; (Ž.M.); (D.M.)
| | - Edina Avdović
- Department of Science, Institute for Information Technologies, University of Kragujevac, Jovana Cvijića bb, 34000 Kragujevac, Serbia; (Ž.M.); (D.M.)
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Pospieszny T, Koenig H. Design, synthesis, spectral and theoretical study of new bile acid-sterol conjugates linked via 1,2,3-triazole ring. Steroids 2021; 176:108934. [PMID: 34699839 DOI: 10.1016/j.steroids.2021.108934] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/15/2021] [Revised: 10/06/2021] [Accepted: 10/14/2021] [Indexed: 11/20/2022]
Abstract
New four steroid conjugates have been prepared from bile acids and sterol derivatives using click chemistry method. The azide-alkyne Huisgen cycloaddition (intermolecular 1,3-dipolar cycloaddition) of the propargyl ester of lithocholic, deoxycholic, cholic acid as well as dehydrocholic acids and azide derivatives of cholesterol gave a new bile acid-sterol conjugates linked with a 1,2,3-triazole ring. Previously, bile acids were converted into bromoacetyl substituted derivatives by the reaction of propargyl esters of lithocholic, deoxycholic, cholic with bromoacetic acid bromide in toluene with TEBA and sodium hydride. All conjugates were obtained in good yields using an efficient synthesis method. The structures of all products were confirmed by spectral (1H- and 13C NMR, and FT-IR) analysis, mass spectrometry (ESI-MS), as well as PM5 semiempirical methods. Estimation of the pharmacotherapeutic potential has been accomplished for the synthesized compounds on the basis of Prediction of Activity Spectra for Substances (PASS).
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Affiliation(s)
- Tomasz Pospieszny
- Department of Bioactive Products, Faculty of Chemistry, Adam Mickiewicz University, Uniwersytetu Poznańskiego 8 Street, 61-614 Poznań, Poland.
| | - Hanna Koenig
- Department of Bioactive Products, Faculty of Chemistry, Adam Mickiewicz University, Uniwersytetu Poznańskiego 8 Street, 61-614 Poznań, Poland
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Bektaş E, Sahin H, Beldüz AO, Güler Hİ. HIV-1-RT inhibition activity of Satureja spicigera (C.KOCH) BOISS. Aqueous extract and docking studies of phenolic compounds identified by RP-HPLC-DAD. J Food Biochem 2021; 46:e13921. [PMID: 34477237 DOI: 10.1111/jfbc.13921] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2021] [Revised: 08/09/2021] [Accepted: 08/25/2021] [Indexed: 11/30/2022]
Abstract
AIDS is a global disease caused by HIV, affecting millions of people and causing death. The current limitations of antiretroviral therapy used in the therapy of HIV/AIDS have led to the need to search for new and effective drugs from natural products, especially plants. Herewith, using the present study, the detection of HIV-1-RT inhibition of aqueous extract of Satureja spicigera (C.KOCH) BOISS. was performed for the first time. Besides, total phenolic content (TPC), analysis of phenolic constituents by RP-HPLC-DAD and antioxidant capacity by DPPH and Ferric reducing antioxidant power (FRAP) methods were determined for the first time. In addition, molecular docking studies were carried out between HIV-1-RT and phenolic substances, the presence of which was determined in the aqueous extract, for the determination of the phenolics that may be responsible for HIV-1-RT activity. HIV-1-RT inhibition was defined as IC50 : 22.83 μg/ml. Benzoic acid, vanillin, rutin, and chlorogenic acid were present as main phenolics in quantities of 621.96, 505.87, 349.33, and 323.23 µg phenolic/g extract, respectively. Further, TPC, DPPH, and FRAP were calculated as in the order of 151.69 mg GAE/g extract, 23.77 µg/ml, and 445.7 µmol TE/g extract. Chlorogenic acid (-8.48 kcal/mol) was found to be the most effective ligand in docking studies, with a value close to positive standard nevirapine (-9.35 kcal/mol). Hereby, although the aqueous extract of S. spicigera can be used as a natural antioxidant, the crude extract or its phenolics have the potential to be used in the treatment of AIDS due to its high HIV-1-RT activity. PRACTICAL APPLICATIONS: In this study, anti-HIV-1-RT and antioxidant activity and total phenolic content of Satureja spicigera aqueous extract were determined. In addition, HPLC analysis of some phytochemicals and the activities of these phytochemicals against HIV-1-RT enzyme was determined by molecular docking studies. The results showed that the aqueous extract of S. spicigera and some of the phytochemicals it contains have the potential to be used as a natural product against HIV infection or in the treatment of AIDS.
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Affiliation(s)
- Ersan Bektaş
- Espiye Vocational School, Giresun University, Giresun, Turkey
| | - Huseyin Sahin
- Espiye Vocational School, Giresun University, Giresun, Turkey
| | - Ali Osman Beldüz
- Faculty of Science, Department of Biology, Karadeniz Technical University, Trabzon, Turkey
| | - Halil İbrahim Güler
- Faculty of Science, Department of Molecular Biology and Genetics, Karadeniz Technical University, Trabzon, Turkey
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Jasiewicz B, Kozanecka-Okupnik W, Przygodzki M, Warżajtis B, Rychlewska U, Pospieszny T, Mrówczyńska L. Synthesis, antioxidant and cytoprotective activity evaluation of C-3 substituted indole derivatives. Sci Rep 2021; 11:15425. [PMID: 34326403 PMCID: PMC8322387 DOI: 10.1038/s41598-021-94904-z] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2021] [Accepted: 07/16/2021] [Indexed: 12/04/2022] Open
Abstract
A series of fifteen indole derivatives substituted at the C-3 position were synthesized and characterized. The antioxidant activity of all derivatives was investigated by three in vitro antioxidant assays, and the derivative with pyrrolidinedithiocarbamate moiety was the most active as a radical scavenger and Fe3+-Fe2+ reducer. It can be stated that possible hydrogen and electron transfer mechanism is suggested for the quenching of the free radical. Moreover, the indolyl radical stabilization and the presence of unsubstituted indole nitrogen atom are mandatory for the observed antioxidant activity, which strongly depends on the type of the substituent directly connected to the methylene group at the C-3 position. Human red blood cells (RBC) have been used as a cell model to study derivatives interaction with the cell membrane. Haemolytic activity and RBC shape transformation were observed for certain derivatives in a concentration-dependent manner. However, most of the derivatives at sublytic concentration showed high cytoprotective activity against oxidative haemolysis induced by 2,2′-azobis(2-methylpropionamidine) dihydrochloride (AAPH). The cytoprotective properties of derivatives can be explained mostly due to their interactions with the RBC membrane components. Taking together, theoretical estimations and experimental data confirm the beneficial interactions between the selected C-3 substituted indole derivatives and the RBC membrane under oxidative stress conditions. These results encourage us to further structural optimization of C-3 substituted indole derivatives as potent antioxidant compounds.
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Affiliation(s)
- Beata Jasiewicz
- Faculty of Chemistry, Adam Mickiewicz University, Uniwersytetu Poznańskiego 8, 61-614, Poznań, Poland.
| | | | - Michał Przygodzki
- Department of Cell Biology, Faculty of Biology, Adam Mickiewicz University, Uniwersytetu Poznańskiego 6, 61-614, Poznań, Poland
| | - Beata Warżajtis
- Faculty of Chemistry, Adam Mickiewicz University, Uniwersytetu Poznańskiego 8, 61-614, Poznań, Poland
| | - Urszula Rychlewska
- Faculty of Chemistry, Adam Mickiewicz University, Uniwersytetu Poznańskiego 8, 61-614, Poznań, Poland
| | - Tomasz Pospieszny
- Faculty of Chemistry, Adam Mickiewicz University, Uniwersytetu Poznańskiego 8, 61-614, Poznań, Poland
| | - Lucyna Mrówczyńska
- Department of Cell Biology, Faculty of Biology, Adam Mickiewicz University, Uniwersytetu Poznańskiego 6, 61-614, Poznań, Poland.
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Antonijević MR, Simijonović DM, Avdović EH, Ćirić A, Petrović ZD, Marković JD, Stepanić V, Marković ZS. Green One-Pot Synthesis of Coumarin-Hydroxybenzohydrazide Hybrids and Their Antioxidant Potency. Antioxidants (Basel) 2021; 10:1106. [PMID: 34356339 PMCID: PMC8301024 DOI: 10.3390/antiox10071106] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2021] [Revised: 07/06/2021] [Accepted: 07/07/2021] [Indexed: 11/16/2022] Open
Abstract
Compounds from the plant world that possess antioxidant abilities are of special importance for the food and pharmaceutical industry. Coumarins are a large, widely distributed group of natural compounds, usually found in plants, often with good antioxidant capacity. The coumarin-hydroxybenzohydrazide derivatives were synthesized using a green, one-pot protocol. This procedure includes the use of an environmentally benign mixture (vinegar and ethanol) as a catalyst and solvent, as well as very easy isolation of the desired products. The obtained compounds were structurally characterized by IR and NMR spectroscopy. The purity of all compounds was determined by HPLC and by elemental microanalysis. In addition, these compounds were evaluated for their in vitro antioxidant activity. Mechanisms of antioxidative activity were theoretically investigated by the density functional theory approach and the calculated values of various thermodynamic parameters, such as bond dissociation enthalpy, proton affinity, frontier molecular orbitals, and ionization potential. In silico calculations indicated that hydrogen atom transfer and sequential proton loss-electron transfer reaction mechanisms are probable, in non-polar and polar solvents respectively. Additionally, it was found that the single-electron transfer followed by proton transfer was not an operative mechanism in either solvent. The conducted tests indicate the excellent antioxidant activity, as well as the low potential toxicity, of the investigated compounds, which makes them good candidates for potential use in food chemistry.
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Affiliation(s)
- Marko R. Antonijević
- Department of Science, Institute for Information Technologies, University of Kragujevac, Jovana Cvijića bb, 34000 Kragujevac, Serbia; (M.R.A.); (D.M.S.)
- Department of Chemistry, Faculty of Science, University of Kragujevac, Radoja Domanovića 12, 34000 Kragujevac, Serbia; (A.Ć.); (Z.D.P.)
| | - Dušica M. Simijonović
- Department of Science, Institute for Information Technologies, University of Kragujevac, Jovana Cvijića bb, 34000 Kragujevac, Serbia; (M.R.A.); (D.M.S.)
| | - Edina H. Avdović
- Department of Science, Institute for Information Technologies, University of Kragujevac, Jovana Cvijića bb, 34000 Kragujevac, Serbia; (M.R.A.); (D.M.S.)
| | - Andrija Ćirić
- Department of Chemistry, Faculty of Science, University of Kragujevac, Radoja Domanovića 12, 34000 Kragujevac, Serbia; (A.Ć.); (Z.D.P.)
| | - Zorica D. Petrović
- Department of Chemistry, Faculty of Science, University of Kragujevac, Radoja Domanovića 12, 34000 Kragujevac, Serbia; (A.Ć.); (Z.D.P.)
| | - Jasmina Dimitrić Marković
- Faculty of Physical Chemistry, University of Belgrade, Studentski trg 12-16, 11000 Belgrade, Serbia;
| | - Višnja Stepanić
- Ruđer Bošković Institute, Bijenička Cesta 54, 10000 Zagreb, Croatia;
| | - Zoran S. Marković
- Department of Science, Institute for Information Technologies, University of Kragujevac, Jovana Cvijića bb, 34000 Kragujevac, Serbia; (M.R.A.); (D.M.S.)
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Synthesis and Biological Screening of New 4-Hydroxycoumarin Derivatives and Their Palladium(II) Complexes. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2021; 2021:8849568. [PMID: 34007407 PMCID: PMC8102111 DOI: 10.1155/2021/8849568] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/13/2020] [Revised: 10/06/2020] [Accepted: 04/05/2021] [Indexed: 12/14/2022]
Abstract
Two newly synthesized 4-hydroxycoumarin bidentate ligands (L1 and L2) and their palladium(II) complexes (C1 and C2) were screened for their biological activities, in vitro and in vivo. Structures of new compounds were established based on elemental analysis, 1H NMR, 13C NMR, and IR spectroscopic techniques. The obtained compounds were tested for their antioxidative and cytotoxic activities and results pointed to selective antiradical activity of palladium(II) complexes towards •OH and -•OOH radicals and anti-ABTS (2,2′-Azino-bis(3-ethylbenzothiazoline-6-sulfonic acid) cation radical) activity comparable to that of ascorbate. Results indicated the effect of C1 and C2 on the enzymatic activity of the antioxidative defense system. In vitro cytotoxicity assay performed on different carcinoma cell lines (HCT166, A375, and MIA PaCa-2), and one healthy fibroblast cell line (MRC-5) showed a cytotoxic effect of both C1 and C2, expressed as a decrease in carcinoma cells' viability, mostly by induction of apoptosis. In vivo toxicity tests performed on zebrafish embryos indicated different effects of C1 and C2, ranging from adverse developmental effect to no toxicity, depending on tested concentration. According to docking studies, both complexes (C1 and C2) showed better inhibitory activity in comparison to other palladium(II) complexes.
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Vibrational and Hirshfeld surface analyses, quantum chemical calculations, and molecular docking studies of coumarin derivative 3-(1-m-toluidinoethylidene)-chromane-2,4-dione and its corresponding palladium(II) complex. J Mol Struct 2020. [DOI: 10.1016/j.molstruc.2020.127935] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
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Design, Synthesis and Preliminary Biological Evaluation of Benzylsulfone Coumarin Derivatives as Anti-Cancer Agents. Molecules 2019; 24:molecules24224034. [PMID: 31703373 PMCID: PMC6891324 DOI: 10.3390/molecules24224034] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2019] [Revised: 11/02/2019] [Accepted: 11/04/2019] [Indexed: 12/19/2022] Open
Abstract
In this work, a series of benzylsulfone coumarin derivatives 5a–5o were synthesized and characterized. Kinase inhibitory activity assay indicated that most of the compounds showed considerable activity against PI3K. Anti-tumor activity studies of the active compounds were also carried out in vitro on the Hela, HepG2, H1299, HCT-116, and MCF-7 tumor cell lines by MTS assay. The structure–activity relationships (SARs) of these compounds were analyzed in detail. Compound 5h exhibited the most potent activities against the mentioned cell lines with IC50 values ranging from 18.12 to 32.60 μM, followed by 5m with IC50 values of 29.30–42.14 μM. Furthermore, 5h and 5m clearly retarded the migration of Hela cells in vitro. Next, an in silico molecular docking study was conducted to evaluate the binding models of 5h and 5m towards PI3Kα and PI3Kβ. Collectively, the above findings suggested that compounds 5h and 5m might be promising PI3K inhibitors deserving further investigation for cancer treatment.
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