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Mohamed AH, Mostafa SM, Aly AA, Hassan AA, Osman EM, Nayl AA, Brown AB, Abdelhafez EMN. Novel quinoline/thiazinan-4-one hybrids; design, synthesis, and molecular docking studies as potential anti-bacterial candidates against MRSA. RSC Adv 2023; 13:14631-14640. [PMID: 37188251 PMCID: PMC10178015 DOI: 10.1039/d3ra01721d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2023] [Accepted: 04/28/2023] [Indexed: 05/17/2023] Open
Abstract
In an attempt to develop effective and safe antibacterial agents, we synthesized novel thiazinanones by combining the quinolone scaffold and the 1,3-thiazinan-4-one group by reaction between ((4-hydroxy-2-oxo-1,2-dihydroquinolin-3-yl)methylene)hydrazinecarbothioamides and 2,3-diphenylcycloprop-2-enone in refluxing ethanol in the presence of triethyl amine as a catalyst. The structure of the synthesized compounds was characterized by spectral data and elemental analysis, IR, MS, 1H and 13C NMR spectroscopy which showed two doublet signals for CH-5 and CH-6 and four sharp singlets for the protons of thiazinane NH, CH[double bond, length as m-dash]N, quinolone NH and OH, respectively. Also, the 13C NMR spectrum clearly showed the presence of two quaternary carbon atoms which were assigned to thiazinanone-C-5 and C-6. All the 1,3-thiazinan-4-one/quinolone hybrids were screened for antibacterial activity. Compounds 7a, 7e and 7g showed broad spectrum antibacterial activity against most of the tested strains either G +ve or G -ve. Compound 7e is the most potent antibacterial agent against MRSA with the minimum inhibitory concentration against MRSA found to be 48 μg mL-1 compared to the drug ciprofloxacin (96 μg mL-1). Additionally, a molecular docking study was performed to understand the molecular interaction and binding mode of the compounds on the active site of S. aureus Murb protein. In silico docking assisted data strongly correlated with the experimental approach of antibacterial activity against MRSA.
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Affiliation(s)
- Asmaa H Mohamed
- Chemistry Department, Faculty of Science, Minia University El-Minia 61519 Egypt
| | - Sara M Mostafa
- Chemistry Department, Faculty of Science, Minia University El-Minia 61519 Egypt
| | - Ashraf A Aly
- Chemistry Department, Faculty of Science, Minia University El-Minia 61519 Egypt
| | - Alaa A Hassan
- Chemistry Department, Faculty of Science, Minia University El-Minia 61519 Egypt
| | - Esraa M Osman
- Chemistry Department, Faculty of Science, Minia University El-Minia 61519 Egypt
| | - AbdElAziz A Nayl
- Department of Chemistry, College of Science, Jouf University Sakaka 72341 Aljouf Saudi Arabia
| | - Alan B Brown
- Chemistry Department, Florida Institute of Technology Melbourne FL USA
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Grigorev V, Tinkov O, Grigoreva L, Rasdolsky A. Structural fractal analysis of the active sites of acetylcholinesterase from various organisms. J Mol Graph Model 2022; 116:108265. [PMID: 35816907 DOI: 10.1016/j.jmgm.2022.108265] [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: 04/26/2022] [Revised: 06/24/2022] [Accepted: 06/29/2022] [Indexed: 12/15/2022]
Abstract
Acetylcholinesterase (AChE) is the object of many studies due to the fact that it plays an important role in the vital activity of organisms. In particular, when new AChE inhibitors are developed, much attention is paid to the specificity of their action. One of the approaches used to study the specificity is to compare AChE taken from various organisms. In this work, crystallographic data are used to investigate the active sites of AChE (ASAs) in the free (uncomplexed) state for the following five organisms: Homo sapiens (HS), Mus musculus (MM), Torpedo californica (TC), Electrophorus electricus (EE), and Drosophila melanogaster (DM). The structural fractal analysis (SFA) proposed by us earlier is used as a research method. This method is based on the calculation and comparison of the fractal dimensions of molecular structures. SFA demonstrates that there are no significant structural differences between the active sites of human AChE and other AChEs. However, differences are found for the MM/EE pair. Further analysis of individual AARs has revealed two different areas of active sites. Ser203, Trp236, Phe338, and Tyr341 are found to belong to a variable region, and the remaining AARs belong to a conservative region of the ASAs. The fraction of "variability" is low, 0.8%.
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Affiliation(s)
- Veniamin Grigorev
- Department of Computer-aided Molecular Design, Institute of Physiologically Active Compounds, Russian Academy of Sciences, Severniy proezd 1, 142432, Chernogolovka, Moscow region, Russia.
| | - Oleg Tinkov
- Department of Pharmacology and Pharmaceutical Chemistry, Medical Faculty, Transnistrian State University, October 25 Str. 128, 3300, Tiraspol, Transdniestria, Republic of Moldova
| | - Ludmila Grigoreva
- Department of Fundamental Physical and Chemical Engineering, Moscow State University, Leninskiye Gory 1/51, 119991, Moscow, Russia
| | - Alexander Rasdolsky
- Department of Computer-aided Molecular Design, Institute of Physiologically Active Compounds, Russian Academy of Sciences, Severniy proezd 1, 142432, Chernogolovka, Moscow region, Russia
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Yıldırım A, Öztürk S. An Efficient Ni(II) Laurate Promoted Heterocyclization of Symmetrical Thioureas with Maleic Anhydride and Mechanistic Approach toward Higher Substituted Thiazolidine‐4‐one‐5‐acetic Acids. ChemistrySelect 2022. [DOI: 10.1002/slct.202201957] [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)
- Ayhan Yıldırım
- Department of Chemistry Bursa Uludağ University 16059 Bursa Turkey
| | - Serkan Öztürk
- Department of Chemistry Bursa Uludağ University 16059 Bursa Turkey
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Naz S, Al Kury LT, Nadeem H, Shah FA, Ullah A, Paracha RZ, Imran M, Li S. Synthesis, In Silico and Pharmacological Evaluation of New Thiazolidine-4-Carboxylic Acid Derivatives Against Ethanol-Induced Neurodegeneration and Memory Impairment. J Inflamm Res 2022; 15:3643-3660. [PMID: 35783245 PMCID: PMC9241999 DOI: 10.2147/jir.s357082] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2022] [Accepted: 06/04/2022] [Indexed: 11/23/2022] Open
Abstract
Introduction Several studies revealed that alcohol utilization impairs memory in adults; however, the underlying mechanism is still unclear. The production of inflammatory markers and reactive oxygen species (ROS) plays a major role in neurodegeneration, which leads to memory impairment. Therefore, targeting neuroinflammation and oxidative distress could be a useful strategy for abrogating the hallmarks of ethanol-induced neurodegeneration. Moreover, several studies have demonstrated multiple biological activities of thiazolidine derivatives including neuroprotection. Methods In the current study, we synthesized ten (10) new thiazolidine-4-carboxylic acid derivatives (P1-P10), characterized their synthetic properties using proton nuclear magnetic resonance (1H-NMR) and carbon-13 NMR, and further investigated the neuroprotective potential of these compounds in an ethanol-induced neuroinflammation model. Results Our results suggested altered levels of antioxidant enzymes associated with an elevated level of tumor necrosis factor-alpha (TNF-α), nuclear factor-κB (p-NF-κB), pyrin domain-containing protein 3 (NLRP3), and cyclooxygenase-2 (COX-2) in ethanol-treated animals. Ethanol treatment also led to memory impairment in rats, as assessed by behavioral tests. To further support our notion, we performed molecular docking studies, and all synthetic compounds exhibited a good binding affinity with a fair bond formation with selected targets (NF-κB, TLR4, NLRP3, and COX-2). Discussion Overall, our results revealed that these derivatives may be beneficial in reducing neuroinflammation by acting on different stages of inflammation. Moreover, P8 and P9 treatment attenuated the neuroinflammation, oxidative stress, and memory impairment caused by ethanol.
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Affiliation(s)
- Shagufta Naz
- Riphah Institute of Pharmaceutical Sciences, Riphah International University, Islamabad, 44000, Pakistan
- State Key Laboratory of Oncogenomics, School of Chemical Biology and Biotechnology, Shenzhen Graduate School, Peking University, Shenzhen, People’s Republic of China
| | - Lina Tariq Al Kury
- College of Natural and Health Sciences, Zayed University, Abu Dhabi, 49153, United Arab Emirates
| | - Humaira Nadeem
- Riphah Institute of Pharmaceutical Sciences, Riphah International University, Islamabad, 44000, Pakistan
- Correspondence: Humaira Nadeem, Riphah Institute of Pharmaceutical Sciences, Riphah International University, Islamabad, 44000, Pakistan, Tel +92 51-2891835, Fax +92 51-8350180, Email
| | - Fawad Ali Shah
- Riphah Institute of Pharmaceutical Sciences, Riphah International University, Islamabad, 44000, Pakistan
| | - Aman Ullah
- Riphah Institute of Pharmaceutical Sciences, Riphah International University, Islamabad, 44000, Pakistan
| | - Rehan Zafar Paracha
- Research Center for Modeling & Simulation (RCMS), National University of Sciences and Technology (NUST), Islamabad, 44000, Pakistan
| | - Muhammad Imran
- Department of Pharmacy, IQRA University, Islamabad, 44000, Pakistan
| | - Shupeng Li
- State Key Laboratory of Oncogenomics, School of Chemical Biology and Biotechnology, Shenzhen Graduate School, Peking University, Shenzhen, People’s Republic of China
- Shupeng Li, State Key Laboratory of Oncogenomics, School of Chemical Biology and Biotechnology, Shenzhen Graduate School, Peking University, Shenzhen, People’s Republic of China, Email
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Karakılıç E, Alım Z, Günel A, Baran A. A versatile study of novel A3B-type unsymmetric zinc(II) phthalocyanines containing thiazolidin-4-one: Their, carbonic anhydrase I, II isoenzymes, and xanthine oxidase inhibitors evaluation. J Mol Struct 2022. [DOI: 10.1016/j.molstruc.2022.132630] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
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Karnik KS, Sarkate AP, Lokwani DK, Tiwari SV, Azad R, Wakte PS. Molecular dynamic simulations based discovery and development of thiazolidin-4-one derivatives as EGFR inhibitors targeting resistance in non-small cell lung cancer (NSCLC). J Biomol Struct Dyn 2022:1-15. [PMID: 35532095 DOI: 10.1080/07391102.2022.2071339] [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: 10/18/2022]
Abstract
Targeting kinases with oncogenic driver mutations in malignancies with allosteric kinase inhibitors is a promising new treatment technique. EGFR inhibitors targeting the L858R/T790M/C797S mutation bearing thiazolidine-4-one scaffold were discovered, optimized, synthesized, and biologically evaluated. According to in silico and in vitro studies, compounds 6a and 6b resulted to be highly potent with IC50 values of 120 nM and 134 nM and good selectivity. Compound 6a displayed significant antioxidant activity, with a DPPH radical scavenging value of 92.15%. The potency of compounds was also compared with ADMET and molecular dynamics simulations study. A comparative simulation of model protein and protein-ligand complex in presence and absence of compound 6a has been carried out. Communicated by Ramaswamy H. Sarma.
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Affiliation(s)
- Kshipra S Karnik
- Department of Chemical Technology, Dr. Babasaheb Ambedkar, Marathwada University, Aurangabad, Maharashtra, India
| | - Aniket P Sarkate
- Department of Chemical Technology, Dr. Babasaheb Ambedkar, Marathwada University, Aurangabad, Maharashtra, India
| | - Deepak K Lokwani
- Department of Pharmaceutical Chemistry, Rajarshi Shahu College of Pharmacy, Buldhana, Maharashtra, India
| | - Shailee V Tiwari
- Department of Pharmaceutical Chemistry, Durgamata Institute of Pharmacy, Parbhani, Maharashtra, India
| | - Rajaram Azad
- Department of Animal Biology, University of Hyderabad, Hyderabad, India
| | - Pravin S Wakte
- Department of Chemical Technology, Dr. Babasaheb Ambedkar, Marathwada University, Aurangabad, Maharashtra, India
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7
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Pourabdi L, Küçükkılınç TT, Khoshtale F, Ayazgök B, Nadri H, Farokhi Alashti F, Forootanfar H, Akbari T, Shafiei M, Foroumadi A, Sharifzadeh M, Shafiee Ardestani M, Abaee MS, Firoozpour L, Khoobi M, Mojtahedi MM. Synthesis of New 3-Arylcoumarins Bearing N-Benzyl Triazole Moiety: Dual Lipoxygenase and Butyrylcholinesterase Inhibitors With Anti-Amyloid Aggregation and Neuroprotective Properties Against Alzheimer’s Disease. Front Chem 2022; 9:810233. [PMID: 35127652 PMCID: PMC8812461 DOI: 10.3389/fchem.2021.810233] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2021] [Accepted: 12/13/2021] [Indexed: 11/13/2022] Open
Abstract
A novel series of coumarin derivatives linked to the N-benzyl triazole group were synthesized and evaluated against 15-lipoxygenase (15-LOX), and acetyl- and butyrylcholinesterase (AChE and BuChE) to find the most potent derivative against Alzheimer’s disease (AD). Most of the compounds showed weak to moderate activity against ChEs. Among the most active BuChE and 15-LOX inhibitors, 8l and 8n exhibited an excellent neuroprotective effect, higher than the standard drug (quercetin) on the PC12 cell model injured by H2O2 and significantly reduced aggregation of amyloid Aβ1-42, with potencies of 1.44 and 1.79 times higher than donepezil, respectively. Compound 8l also showed more activity than butylated hydroxytoluene (BHT) as the reference antioxidant agent in reducing the levels of H2O2 activated by amyloid β in BV2 microglial cells. Kinetic and ligand–enzyme docking studies were also performed for better understanding of the mode of interaction between the best BuChE inhibitor and the enzyme. Considering the acceptable BuChE and 15-LOX inhibition activities as well as significant neuroprotection, and anti-amyloid aggregation activities, 8l and 8n could be considered as potential MTDLs for further modification and studies against AD.
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Affiliation(s)
- Ladan Pourabdi
- Department of Organic Chemistry and Natural Products, Chemistry and Chemical Engineering Research Center of Iran, Tehran, Iran
| | | | - Fatemeh Khoshtale
- Department of Organic Chemistry and Natural Products, Chemistry and Chemical Engineering Research Center of Iran, Tehran, Iran
| | - Beyza Ayazgök
- Faculty of Pharmacy, Department of Biochemistry, Hacettepe University, Ankara, Turkey
| | - Hamid Nadri
- Department of Medicinal Chemistry, Faculty of Pharmacy and Pharmaceutical Sciences Research Center, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
| | - Farid Farokhi Alashti
- Department of Organic Chemistry and Natural Products, Chemistry and Chemical Engineering Research Center of Iran, Tehran, Iran
| | - Hamid Forootanfar
- Pharmaceutical Sciences and Cosmetic Products Research Center, Kerman University of Medical Sciences, Kerman, Iran
| | - Tayebeh Akbari
- Department of Microbiology, Islamic Azad University, North Tehran Branch, Tehran, Iran
| | - Mohammad Shafiei
- Department of Medicinal Chemistry, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran
| | - Alireza Foroumadi
- Department of Medicinal Chemistry, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran
- Pharmaceutical Sciences Research Center, The institute of Pharmaceutical Sciences (TIPS), Tehran University of Medical Sciences, Tehran, Iran
| | - Mohammad Sharifzadeh
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran
| | - Mehdi Shafiee Ardestani
- Department of Radiopharmacy, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran
| | - M. Saeed Abaee
- Department of Organic Chemistry and Natural Products, Chemistry and Chemical Engineering Research Center of Iran, Tehran, Iran
| | - Loghman Firoozpour
- Department of Medicinal Chemistry, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran
| | - Mehdi Khoobi
- Pharmaceutical Sciences Research Center, The institute of Pharmaceutical Sciences (TIPS), Tehran University of Medical Sciences, Tehran, Iran
- Department of Radiopharmacy, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran
- *Correspondence: Mohammad M. Mojtahedi, ; Mehdi Khoobi, ,
| | - Mohammad M. Mojtahedi
- Department of Organic Chemistry and Natural Products, Chemistry and Chemical Engineering Research Center of Iran, Tehran, Iran
- *Correspondence: Mohammad M. Mojtahedi, ; Mehdi Khoobi, ,
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8
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Soni HI, Patel NB, Parmar RB, Bacab MJC, River G. Microwave Irradiated Synthesis of Pyrimidine Containing, Thiazolidin-4-ones: Antimicrobial, Anti-tuberculosis, Antimalarial, and Anti-protozoa evaluation. LETT ORG CHEM 2022. [DOI: 10.2174/1570178619666220111124104] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Aim:
This study aims to synthesize thiazolidine-4-one compounds with a pyrimidine nucleus and evaluate against different species of bacteria, fungi, protozoa, and the malaria parasite.
Background:
Microwave irradiation was the best method for synthesizing the thiazolidin-4-one ring system. It took only 15 minutes for synthesizing thiazolidin-4-one while the conventional method required 12 hours. The rapid reaction was the main concern of this research.
Objective:
Pyrimidine and Thiazolidin-4-one nucleus have broad-spectrum biological activity and when it is introduced with other hetero atoms containing moiety, many types of biological activities have been found; antimicrobial, anti-tuberculosis, anti-protozoa, antimalarial are the main activities. The activity of these compounds inspired us to do extra research on Thiazolidin-4-one fused pyrimidines with different functional groups. The aim of this is to synthesize a combination of these two ring systems in less time by using a microwave irradiation method and to evaluate new compounds for different bioactivity.
Method:
2-(4-Chlorophenyl)-3-(4-(substituted phenyl)-6-(substituted aryl) pyrimidin-2-yl) thiazolidin-4-ones (6A-J) were synthesized by microwave irradiation to save energy and time. The structure of all newly synthesized motifs was characterized by spectral analysis (1H NMR, 13C NMR, IR, spectroscopy) and screened for antibacterial activity against Escherichia coli, Pseudomonas aeruginosa, Staphylococcus aureus, and Streptococcus pyogenes, antifungal activity against Candida albicans, Aspergillus niger, Aspergillus clavatus, anti-tuberculosis activity against M. tuberculosis H37RV, antimalarial activity against Plasmodium falciparum and anti-protozoa activity against L. mexicana and T. cruzi.
Result:
Because of microwave irradiation synthesis, time period is very less for preparing the new compound. Biological response given by compounds 6B, 6C, 6D, 6E, 6G, 6H, and 6J was found excellent.
Conclusion:
Good yield with purity of the newly synthesized thiazolidine-4-one compounds obtained in less time by using microwave irradiation. The biological response of some of the compounds of this series was found excellent
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Affiliation(s)
- Hetal I. Soni
- C. B. Patel Computer & J. N. M. Patel Science College, Surat-395 017, Gujarat, India
| | - Navin B. Patel
- Organic Research Laboratory, Department of Chemistry, Veer Narmad South Gujarat
| | - Rahul B. Parmar
- Atmanand Saraswati Science College, Surat-395006, Gujarat, India
| | - Manuel J. Chan- Bacab
- Departamento de Microbiología Ambientaly Biotecnología, Universidad Autónoma de Campeche, Av. Agustín Melgar, s/n, Campeche, México
| | - Gildardo River
- Laboratorio de Biotecnología Farmacéutica, Centro de Biotecnología Genómica, Instituto Politécnico Nacional, 88710, Reynosa, Mexico
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9
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Almeida MP, Kock FVC, de Jesus HCR, Carlos RM, Venâncio T. Probing the acetylcholinesterase inhibitory activity of a novel Ru(II) polypyridyl complex and the supramolecular interaction by (STD)-NMR. J Inorg Biochem 2021; 224:111560. [PMID: 34399231 DOI: 10.1016/j.jinorgbio.2021.111560] [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: 05/06/2021] [Revised: 07/13/2021] [Accepted: 07/30/2021] [Indexed: 10/20/2022]
Abstract
Currently, acetylcholinesterase (AChE) inhibitors are the only anti-Alzheimer drugs commercially available. Despite their wide use those drugs are all dose dependent and their effect last for no longer than two years, with several side effects. The search of novel acetylcholinesterase (AChE) inhibitors remains as the main scientific route. Here we describe the synthesis, characterization, biological activity and an NMR binding-target study of a novel cis-[Ru(Bpy)2(EtPy)2]2+, (RuEtPy), Bpy = 2,2'-bipyridine and EtPy = 4,2-Ethylamino-pyridine) as a potential AChE inhibitor. The classic Ellman's colorimetric assay suggests that the RuEtPy exhibits a high inhibitory activity, following a competitive mechanism, with a remarkable low inhibition constant (Ki ≈ 16.8 μM), together with a IC50 = 39 μM. Hence, we have studied the spatial interactions for this novel candidate towards the human acetylcholinesterase (hAChE) using saturation transfer difference (STD)-NMR, in order to describe the mechanism of the interaction. NMR binding-target results shows that the 4,2-Ethylamino-Pyridine group is spatially closer to hAChE surface chemical arrangement than 2,2' bipyridine counterpart, exerting an efficient intermolecular interaction, with a low dissociation constant (KD ≈ 55 μM), probing that 4,2-Ethylamino-pyridine motif plays a key role in the inhibitory action.
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Affiliation(s)
- Marlon P Almeida
- Chemistry Department of Federal University of São Carlos, São Carlos, SP, Brazil
| | - Flávio V C Kock
- Chemistry Department of Federal University of São Carlos, São Carlos, SP, Brazil
| | - Hugo C R de Jesus
- Chemistry Department of Federal University of São Carlos, São Carlos, SP, Brazil; Centre for Blood Research, Life Sciences Centre, 4.420 Life Sciences Centre, 2350 Health Sciences Mall, University of British Columbia (UBC), Vancouver, Canada
| | - Rose M Carlos
- Chemistry Department of Federal University of São Carlos, São Carlos, SP, Brazil.
| | - Tiago Venâncio
- Chemistry Department of Federal University of São Carlos, São Carlos, SP, Brazil.
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10
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Yücel NT, Osmaniye D, Kandemir Ü, Evren AE, Can ÖD, Demir Özkay Ü. Synthesis and Antinociceptive Effect of Some Thiazole-Piperazine Derivatives: Involvement of Opioidergic System in the Activity. Molecules 2021; 26:molecules26113350. [PMID: 34199486 PMCID: PMC8199615 DOI: 10.3390/molecules26113350] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2021] [Revised: 05/26/2021] [Accepted: 05/29/2021] [Indexed: 02/01/2023] Open
Abstract
In this study, we aimed to design and synthesize novel molecules carrying both the thiazole and piperazine rings in their structures and to investigate their antinociceptive activity. Targeted compounds were obtained by reacting thiosemicarbazide derivative and appropriate 2-bromoacetophenone in ethanol. The structures of the obtained compounds were determined using data from various spectroscopic methods (IR, 1H-NMR, 13C-NMR, and LCMSMS). Experimental data from in vivo tests showed that test compounds 3a–3c, 3f, and 3g (50 mg/kg) significantly prolonged reaction times of animals in tail-clip and hot-plate tests compared to the controls, indicating that these compounds possess centrally mediated antinociceptive activities. Furthermore, these compounds reduced the number of writhing behaviors in the acetic acid-induced writhing tests, showing that the compounds also possess peripheral antinociceptive activity. In the mechanistic studies, naloxone pre-treatments abolished the antinociceptive activities of compounds 3a–3c, 3f, and 3g, indicating that opioidergic mechanisms were involved in their antinociceptive effects. Molecular docking studies demonstrating significant interactions between the active compounds and µ- and δ-opioid receptor proteins supported the pharmacological findings. This study is the first showing that molecules designed to bear thiazole and piperazine moieties together on their structure exert centrally and peripherally mediated antinociceptive effects by activating the opioid system.
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MESH Headings
- Acetophenones/chemistry
- Analgesics/administration & dosage
- Analgesics/chemical synthesis
- Analgesics/chemistry
- Analgesics/pharmacology
- Animals
- Disease Models, Animal
- Male
- Mice
- Models, Molecular
- Molecular Docking Simulation
- Molecular Structure
- Naloxone/administration & dosage
- Naloxone/pharmacology
- Pain/drug therapy
- Pain/metabolism
- Protein Conformation
- Receptors, Opioid/chemistry
- Receptors, Opioid/metabolism
- Receptors, Opioid, delta/chemistry
- Receptors, Opioid, delta/metabolism
- Receptors, Opioid, mu/chemistry
- Receptors, Opioid, mu/metabolism
- Semicarbazides/chemistry
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Affiliation(s)
- Nazlı Turan Yücel
- Faculty of Pharmacy, Department of Pharmacology, Anadolu University, Eskişehir 26470, Turkey; (Ö.D.C.); (Ü.D.Ö.)
- Correspondence:
| | - Derya Osmaniye
- Faculty of Pharmacy, Department of Pharmaceutical Chemistry, Anadolu University, Eskişehir 26470, Turkey;
| | - Ümmühan Kandemir
- Institute of Health Sciences, Department of Pharmacology, Anadolu University, Eskişehir 26470, Turkey;
| | - Asaf Evrim Evren
- Vocational School of Health Services, Pharmacy Services, Bilecik Şeyh Edebali University, Bilecik 11230, Turkey;
| | - Özgür Devrim Can
- Faculty of Pharmacy, Department of Pharmacology, Anadolu University, Eskişehir 26470, Turkey; (Ö.D.C.); (Ü.D.Ö.)
| | - Ümide Demir Özkay
- Faculty of Pharmacy, Department of Pharmacology, Anadolu University, Eskişehir 26470, Turkey; (Ö.D.C.); (Ü.D.Ö.)
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