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de Araújo ACJ, Freitas PR, Araújo IM, Siqueira GM, de Oliveira Borges JA, Alves DS, Miranda GM, Dos Santos Nascimento IJ, de Araújo-Júnior JX, da Silva-Júnior EF, de Aquino TM, Junior FJBM, Marinho ES, Dos Santos HS, Tintino SR, Coutinho HDM. Potentiating-antibiotic activity and absorption, distribution, metabolism, excretion and toxicity properties (ADMET) analysis of synthetic thiadiazines against multi-drug resistant (MDR) strains. Fundam Clin Pharmacol 2024; 38:84-98. [PMID: 37649138 DOI: 10.1111/fcp.12950] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2023] [Revised: 08/03/2023] [Accepted: 08/10/2023] [Indexed: 09/01/2023]
Abstract
BACKGROUND Thiadiazines are heterocyclic compounds that contain two nitrogen atoms and one sulfur atom in their structure. These synthetic molecules have several relevant pharmacological activities, such as antifungal, antibacterial, and antiparasitic. OBJECTIVES The present study aimed to evaluate the possible in vitro and in silico interactions of compounds derived from thiadiazines. METHODS The compounds were initially synthesized, purified, and confirmed through HPLC methodology. Multi-drug resistant bacterial strains of Staphylococcus aureus 10 and Pseudomonas aeruginosa 24 were used to evaluate the direct and modifying antibiotic activity of thiadiazine derivatives. ADMET assays (absorption, distribution, metabolism, excretion, and toxicity) were conducted, which evaluated the influence of the compounds against thousands of macromolecules considered as bioactive targets. RESULTS There were modifications in the chemical synthesis in carbon 4 or 3 in one of the aromatic rings of the structure where different ions were added, ensuring a variability of products. It was possible to observe results that indicate the possibility of these compounds acting through the cyclooxygenase 2 mechanism, which, in addition to being involved in inflammatory responses, also acts by helping sodium reabsorption. The amine group present in thiadiazine analogs confers hydrophilic characteristics to the substances, but this primary characteristic has been altered due to alterations and insertions of other ligands. The characteristics of the analogs generally allow easy intestinal absorption, reduce possible hepatic toxic effects, and enable possible neurological and anti-inflammatory action. The antibacterial activity tests showed a slight direct action, mainly of the IJ23 analog. Some compounds were able to modify the action of the antibiotics gentamicin and norfloxacin against multi-drug resistant strains, indicating a possible synergistic action. CONCLUSIONS Among all the results obtained in the study, the relevance of thiadiazine analogs as possible coadjuvant drugs in the antibacterial, anti-inflammatory, and neurological action with low toxicity is clear. Need for further studies to verify these effects in living organisms is not ruled out.
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Affiliation(s)
| | - Priscilla Ramos Freitas
- Laboratory of Microbiology and Molecular Biology, LMBM, Universidade Regional do Cariri, Crato, Brazil
| | - Isaac Moura Araújo
- Laboratory of Microbiology and Molecular Biology, LMBM, Universidade Regional do Cariri, Crato, Brazil
| | - Gustavo Miguel Siqueira
- Laboratory of Microbiology and Molecular Biology, LMBM, Universidade Regional do Cariri, Crato, Brazil
| | | | - Daniel Sampaio Alves
- Laboratory of Microbiology and Molecular Biology, LMBM, Universidade Regional do Cariri, Crato, Brazil
| | | | - Igor José Dos Santos Nascimento
- Laboratory of Medicinal Chemistry, Institute of Pharmaceutical Sciences, Federal University of Alagoas, Maceió, Alagoas, Brazil
| | - João Xavier de Araújo-Júnior
- Laboratory of Medicinal Chemistry, Institute of Pharmaceutical Sciences, Federal University of Alagoas, Maceió, Alagoas, Brazil
| | - Edeildo Ferreira da Silva-Júnior
- Biological and Molecular Chemistry Research Group, Institute of Chemistry and Biotechnology, Federal University of Alagoas, Maceió, Alagoas, Brazil
| | - Thiago Mendonça de Aquino
- Laboratory of Synthesis and Research in Medicinal Chemistry, Research Group on Therapeutic Strategies - GPET, Institute of Chemistry and Biotechnology, Federal University of Alagoas, Maceió, Alagoas, Brazil
| | | | - Emmanuel Silva Marinho
- Laboratory of Chemistry of Natural and Synthetic Product, State University of Ceará, UECE, Fortaleza, Ceará, Brazil
| | - Helcio Silva Dos Santos
- Laboratory of Chemistry of Natural and Synthetic Product, State University of Ceará, UECE, Fortaleza, Ceará, Brazil
| | - Saulo Relison Tintino
- Laboratory of Microbiology and Molecular Biology, LMBM, Universidade Regional do Cariri, Crato, Brazil
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Ribeiro LR, Magalhães EP, Barroso Gomes ND, Cavalcante JW, Gomes Maia MM, Marinho MM, Dos Santos HS, Marinho ES, Sampaio TL, Costa Martins AM, Paula Pessoa Bezerra de Menezes RR. Elongation on aliphatic chain improves selectivity of 2-hydroxy-3,4,6-trimethoxyphenyl chalcone on Trypanosoma cruzi. Future Med Chem 2024; 16:11-26. [PMID: 38084595 DOI: 10.4155/fmc-2023-0177] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2023] [Accepted: 11/09/2023] [Indexed: 01/17/2024] Open
Abstract
Aim: Our objective was to investigate the trypanocidal effect of the chalcone (2E,4E)-1-(2-hydroxy-3,4,6-trimethoxyphenyl)-5-phenylpenta-2,4-dien-1-one (CPNC). Material & methods: Cytotoxicity toward LLC-MK2 host cells was assessed by MTT assay, and the effect on Trypanosoma cruzi life forms (epimastigotes, trypomastigotes and amastigotes) was evaluated by counting. Flow cytometry analysis was performed to evaluate the possible mechanisms of action. Finally, molecular docking simulations were performed to evaluate interactions between CPNC and T. cruzi enzymes. Results: CPNC showed activity against epimastigote, trypomastigote and amastigote life forms, induced membrane damage, increased cytoplasmic reactive oxygen species and mitochondrial dysfunction on T. cruzi. Regarding molecular docking, CPNC interacted with both trypanothione reductase and TcCr enzymes. Conclusion: CPNC presented a trypanocidal effect, and its effect is related to oxidative stress, mitochondrial impairment and necrosis.
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Affiliation(s)
- Lyanna Rodrigues Ribeiro
- Post-Graduate Program in Pharmaceutical Sciences, Federal University of Ceará, Fortaleza, CE, Brazil
| | - Emanuel Paula Magalhães
- Post-Graduate Program in Pharmaceutical Sciences, Federal University of Ceará, Fortaleza, CE, Brazil
| | | | | | | | - Márcia Machado Marinho
- State University of Vale do Acaraú, Center for Exact Sciences & Technology, Sobral, CE, Brazil
| | - Hélcio Silva Dos Santos
- State University of Vale do Acaraú, Center for Exact Sciences & Technology, Sobral, CE, Brazil
| | - Emmanuel Silva Marinho
- Theoretical & Eletrochemical Chemistry Research Group, State University of Ceará, Fortaleza, CE, Brazil
| | - Tiago Lima Sampaio
- Post-Graduate Program in Pharmaceutical Sciences, Federal University of Ceará, Fortaleza, CE, Brazil
- Department of Clinical & Toxicological Analysis, Federal University of Ceará, Fortaleza, CE, Brazil
| | - Alice Maria Costa Martins
- Post-Graduate Program in Pharmaceutical Sciences, Federal University of Ceará, Fortaleza, CE, Brazil
- Department of Clinical & Toxicological Analysis, Federal University of Ceará, Fortaleza, CE, Brazil
| | - Ramon Róseo Paula Pessoa Bezerra de Menezes
- Post-Graduate Program in Pharmaceutical Sciences, Federal University of Ceará, Fortaleza, CE, Brazil
- Department of Clinical & Toxicological Analysis, Federal University of Ceará, Fortaleza, CE, Brazil
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Dutra Barroso Gomes N, Paula Magalhães E, Rodrigues Ribeiro L, Cavalcante JW, Morais Gomes Maia M, Cunha da Silva FR, Ali A, Machado Marinho M, Silva Marinho E, Silva Dos Santos H, Costa Martins AM, Róseo Paula Pessoa Bezerra de Menezes R. Trypanocidal potential of synthetic p-aminochalcones: In silico and in vitro evaluation. Bioorg Chem 2023; 141:106931. [PMID: 37879182 DOI: 10.1016/j.bioorg.2023.106931] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2023] [Revised: 10/10/2023] [Accepted: 10/19/2023] [Indexed: 10/27/2023]
Abstract
Chagas disease (CD) is a neglected tropical disease of worldwide health concern, caused by the flagellate protozoan Trypanosoma cruzi (T. cruzi), endemic in Latin America and present in North America and Europe. The WHO recommended drug for CD, benznidazole has low safety profile and several limitations. Therefore, an entity with better therapeutic potential to treat CD is required. Chalcones are an important class of compounds, which have shown antichagasic potential. Thus, the objective of this study was to evaluate the activity of synthetic p-aminochalcones against T. cruzi. Chalcones 1 and 2 were synthesized by Claisen-Schmidt condensation and characterized by both spectroscopic and theoretical methods. Initially, they were submitted to molecular docking simulations using cruzain and trypanothione reductase (TR) enzymes. It was expected to observe the possible interactions of chalcones with the catalytic site and other important regions of these main pharmacological targets of T. cruzi. Their cytotoxicity within host cells were assessed by MTT reduction assay using LLC-MK2 cells, with CC50 = 85.6 ± 9.2 µM and 1115 ± 381.7 µM for chalcones 1 and 2, respectively. These molecules were also tested against epimastigote and trypomastigote life forms of T. cruzi, causing reduction in the number of viable parasites. For the evaluation of the effect on intracellular amastigotes, infected LLC-MK2 cells were incubated with the chalcones for 24 h, causing reduction in the percentage of infected cells and the number of amastigotes/100 cells. Finally, flow cytometry assays were performed for analyzing cell death mechanisms (7-AAD/AxPE labelling), cytoplasmic ROS accumulation (DCFH-DA assay) and mitochondrial transmembrane potential disruption (Rho123 assay). Both chalcones (1 and 2) caused membrane damage, ROS accumulation and mitochondrial depolarization. In conclusion, the synthetic p-aminochalcones presented trypanocidal effect, causing membrane damage and oxidative stress. Their mechanism of action may be related to cruzain and TR inhibition.
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Affiliation(s)
| | - Emanuel Paula Magalhães
- Post-Graduate Program in Pharmaceutical Sciences, Federal University of Ceará, Fortaleza, CE, Brazil
| | - Lyanna Rodrigues Ribeiro
- Post-Graduate Program in Pharmaceutical Sciences, Federal University of Ceará, Fortaleza, CE, Brazil
| | | | | | | | - Arif Ali
- Post-Graduate Program in Pharmacology, Federal University of Ceará, Fortaleza, CE, Brazil
| | - Márcia Machado Marinho
- Theoretical and Eletrochemical Chemistry Research Group, State University of Ceará, Limoeiro do Norte, CE, Brazil; State University of Vale do Acaraú, Center for Exact Sciences and Technology, Sobral, CE, Brazil
| | - Emmanuel Silva Marinho
- Theoretical and Eletrochemical Chemistry Research Group, State University of Ceará, Limoeiro do Norte, CE, Brazil
| | - Hélcio Silva Dos Santos
- State University of Vale do Acaraú, Center for Exact Sciences and Technology, Sobral, CE, Brazil
| | - Alice Maria Costa Martins
- Department of Clinical and Toxicological Analysis, Federal University of Ceará, Fortaleza, CE, Brazil
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Cavalcante CHL, Almeida-Neto FWDQ, da Rocha MN, Bandeira PN, de Menezes RRPPB, Paula Magalhães E, Sampaio TL, Marinho ES, Marinho MM, Maria Costa Martins A, Dos Santos HS. Antichagasic evaluation, molecular docking and ADMET properties of the chalcone (2 E)-3-(2-fluorophenyl)-1-(2-hydroxy- 3,4,6-trimethoxyphenyl)prop-2-en-1-one against Trypanosoma cruzi. J Biomol Struct Dyn 2023; 41:7463-7479. [PMID: 36120936 DOI: 10.1080/07391102.2022.2123394] [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: 06/23/2022] [Accepted: 09/02/2022] [Indexed: 10/14/2022]
Abstract
Characterized as a neglected disease, Chagas disease is an infection that, in the current scenario, affects about 8 million people per year, with a higher incidence in underdeveloped countries, Chagas is responsible for physiological disabilities that result in impacts that are slightly reflected in world socioeconomic stability. Although treatments are based on drugs such as Benznidazole, the pathology lacks a continuous treatment method with low toxicological incidence. The present study estimates the anti-chagasic activity of the synthetic chalcone CPN2F based on the alignment between in vitro tests and structural classification in silico studies, molecular docking and ADMET studies. The in vitro tests showed a reduction in the protozoan metabolism in host cells (LLC-MK2). At the same time, the molecular docking models evaluate this growth inhibition through the synergistic effect associated with Benznida- zole against validated therapeutic target key stages (Cruzaine TcGAPDH and Trypanothione reductase) of the Trypanosoma cruzi development cycle. The in silico prediction results reveal an alignment between pharmacokinetic attributes, such as renal absorption and release, which allow the preparation of CPN2F as an antichagasic drug with a low incidence of organic toxicity.Communicated by Ramaswamy H. Sarma.
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Affiliation(s)
- Carlos Henrique Leitão Cavalcante
- Postgraduate Program in Biotechnology - PPGB-Renorbio, State University of Ceara, Fortaleza, CE, Brazil
- Federal Institute of Education and Technology of Ceara, Maracanau, CE, Brazil
| | | | - Matheus Nunes da Rocha
- Center for Science and Technology, Postgraduate Program in Natural Sciences, State University of Ceará, Fortaleza, CE, Brazil
| | - Paulo Nogueira Bandeira
- Center for Exact Sciences and Technology, State University of Vale do Acaraú, Sobral, CE, Brazil
| | | | - Emanuel Paula Magalhães
- Department of Clinical and Toxicological Analysis, Federal University of Ceará, Fortaleza, CE, Brazil
| | - Tiago Lima Sampaio
- Department of Clinical and Toxicological Analysis, Federal University of Ceará, Fortaleza, CE, Brazil
| | | | - Márcia Machado Marinho
- Center for Exact Sciences and Technology, State University of Vale do Acaraú, Sobral, CE, Brazil
| | - Alice Maria Costa Martins
- Department of Clinical and Toxicological Analysis, Federal University of Ceará, Fortaleza, CE, Brazil
| | - Hélcio Silva Dos Santos
- Postgraduate Program in Biotechnology - PPGB-Renorbio, State University of Ceara, Fortaleza, CE, Brazil
- Center for Science and Technology, Postgraduate Program in Natural Sciences, State University of Ceará, Fortaleza, CE, Brazil
- Center for Exact Sciences and Technology, State University of Vale do Acaraú, Sobral, CE, Brazil
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Marques da Fonseca A, Freire da Silva A, Barbosa da Silva FL, Caluaco BJ, Gaieta EM, Nunes da Rocha M, Colares RP, Sobczak JF, Marinho GS, Dos Santos HS, Marinho ES. Isolation, characterization and in silico study of propenamide alkaloids from Hymenoepmecis bicolor poison against active μ-opioid receptor. J Biomol Struct Dyn 2023; 41:14621-14637. [PMID: 36815273 DOI: 10.1080/07391102.2023.2183043] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2022] [Accepted: 02/16/2023] [Indexed: 02/24/2023]
Abstract
Some insects produce venoms to defend against predators and directly interact with opioid receptors. In the present study, it was identified two alkaloids in the wasp venom species Hymenoepimecis bicolor. It was demonstrated that these could act as potential inhibitors of opioid receptors through their robust affinity to the receptors. The interaction profile was given to opioid receptors (μOR), with 60% of targets similar to alkaloid 1, with 0.25 probability, and 46.7% of targets similar to alkaloid 2, with a probability 0.17 of affinity as a target, which is considered signaling macromolecules and can mediate the most potent analgesic and addictive properties of opiate alkaloids. Notably, both alkaloids showed -7.6 kcal/mol affinity to the morphine agonies through six residues, Gly124, Asp147, Trp293, Ile296, Ile322, and Tyr326. These observations suggest further research on opioid receptors using in vitro studies of possible therapeutic applications.Communicated by Ramaswamy H. Sarma.
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Affiliation(s)
- Aluísio Marques da Fonseca
- Institute of Exact Sciences and Nature, University of International Integration of Afro-Brazilian Lusophony, Redenção, CE, Brazil
| | - Ananias Freire da Silva
- Institute of Engineering and Sustainable Development, University of International Integration of Afro-Brazilian Lusofonia, Redenção, CE, Brazil
| | - Francisco Lennon Barbosa da Silva
- Institute of Engineering and Sustainable Development, University of International Integration of Afro-Brazilian Lusofonia, Redenção, CE, Brazil
| | - Bernardino Joaquim Caluaco
- Institute of Exact Sciences and Nature, University of International Integration of Afro-Brazilian Lusophony, Redenção, CE, Brazil
| | - Eduardo Menezes Gaieta
- Institute of Exact Sciences and Nature, University of International Integration of Afro-Brazilian Lusophony, Redenção, CE, Brazil
| | - Matheus Nunes da Rocha
- Faculty of Philosophy Dom Aureliano Matos, State University of Ceará, Limoeiro do Norte, CE, Brazil
| | - Regilany Paulo Colares
- Institute of Exact Sciences and Nature, University of International Integration of Afro-Brazilian Lusophony, Redenção, CE, Brazil
| | - Jober Fernando Sobczak
- Institute of Exact Sciences and Nature, University of International Integration of Afro-Brazilian Lusophony, Redenção, CE, Brazil
| | - Gabrielle Silva Marinho
- Faculty of Philosophy Dom Aureliano Matos, State University of Ceará, Limoeiro do Norte, CE, Brazil
| | | | - Emmanuel Silva Marinho
- Faculty of Philosophy Dom Aureliano Matos, State University of Ceará, Limoeiro do Norte, CE, Brazil
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Abreu Alves P, Dantas Rocha KA, Bezerra LL, Ayala AP, Vieira Monteiro NDK, Pessoa ODL. Withanolides of Athenaea velutina with potential inhibitory properties against SARS coronavirus main protease (m pro): molecular modeling studies. J Biomol Struct Dyn 2023; 41:12267-12275. [PMID: 36690603 DOI: 10.1080/07391102.2023.2167863] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2022] [Accepted: 01/01/2023] [Indexed: 01/25/2023]
Abstract
Since the global COVID-19 pandemic began, the scientific community has dedicated efforts to finding effective antiviral drugs to treat or minimize the effects caused by the SARS-CoV-2 coronavirus. Some targets can act as inhibitor substrates, highlighting the Main Protease (Mpro), which plays an essential role in the translation and transcription of the virus cycle. Withanolides, a class of natural C28 steroidal lactones, are compounds of interest as possible inhibitors of Mpro and other critical targets of the virus, such as papain-like protease. In this study, the isolation of a new withanolide (1), along with the known 27-deoxywithaferin A (2) and 27-deoxy-2,3-dihydrowithaferin A (3), from the leaves of Athenaea velutina (Solanaceae) is described. Their structures were determined using spectroscopic and spectrometric methods (NMR, IR, HRESIMS). Moreover, the interaction and the stability of withanolides 1-3 and withanolide D (4), previously isolated of Acnistus arborescens, against the Mpro target through molecular docking, molecular dynamics, and binding free energy simulations were analyzed. The molecular dynamics results indicated that the complexes formed by the molecular docking simulations between the Mpro target with each of the withanolides 1-4 exhibited good stability during the simulations due to a slight change in the structure of complexes. The binding free energy results suggested that withanolide (1) can be a natural candidate against COVID-19 disease.Communicated by Ramaswamy H. Sarma.
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Affiliation(s)
- Pabllo Abreu Alves
- Departamento de Química Analítica e Físico Química, Centro de Ciências, Universidade Federal do Ceará, Fortaleza, CE, Brazil
- Departamento de Química Orgânica e Inorgânica, Centro de Ciências, Universidade Federal do Ceará, Fortaleza, CE, Brazil
| | - Késya Amanda Dantas Rocha
- Departamento de Química Orgânica e Inorgânica, Centro de Ciências, Universidade Federal do Ceará, Fortaleza, CE, Brazil
| | - Lucas Lima Bezerra
- Departamento de Química Analítica e Físico Química, Centro de Ciências, Universidade Federal do Ceará, Fortaleza, CE, Brazil
| | - Alejandro Pedro Ayala
- Departamento de Física, Centro de Ciências, Universidade Federal do Ceará, Fortaleza, CE, Brazil
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