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Nakao IA, Almeida TC, Cardoso Reis AC, Coutinho GG, Hermenegildo AM, Cordeiro CF, da Silva GN, Dias DF, Brandão GC, Pinto Braga SF, de Souza TB. Discovery of a new dihydroeugenol-chalcone hybrid with cytotoxic and anti-migratory potential: A dual-action hit for cancer therapeutics. Bioorg Med Chem 2023; 96:117516. [PMID: 37944413 DOI: 10.1016/j.bmc.2023.117516] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2023] [Revised: 10/31/2023] [Accepted: 11/01/2023] [Indexed: 11/12/2023]
Abstract
Cancer still represents a serious public health problem and one of the main problems related to the worsening of this disease is the ability of some tumors to develop metastasis. In this work, we synthesized a new series of chalcones and isoxazoles derived from eugenol and analogues as molecular hybrids and these compounds were evaluated against different tumor cell lines. This structural pattern was designed considering the cytotoxic potential already known for eugenol, chalcones and isoxazoles. Notably, chalcones 7, 9, 10, and 11 displayed significant activity (4.2-14.5 µM) against two cancer cell lines, surpassing the potency of the control drug doxorubicin. The reaction of chalcones with hydroxylamine hydrochloride provided the corresponding isoxazoles that were inactive against these cancer cells. The dihydroeugenol chalcone 7 showed the most promising results, demonstrating higher potency against HepG2 (CC50: 4.2 µM) and TOV-21G (CC50: 7.2 µM). Chalcone 7 was also three times less toxic than doxorubicin considering HepG2 cells, with a selectivity index greater than 11. Further investigations including clonogenic survival, cell cycle progression and cell migration assays confirmed the compelling antitumoral potential of chalcone 7, as it reduced long-term survival due to DNA fragmentation, inducing cell death and inhibiting HepG2 cells migration. Moreover, in silico studies involving docking and molecular dynamics revealed a consistent binding mode of chalcone 7 with metalloproteinases, particularly MMP-9, shedding light on its potential mechanism of action related to anti-migratory effects. These significant findings suggest the inclusion of compound 7 as a promising candidate for future studies in the field of cancer therapeutics.
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Affiliation(s)
- Izadora Amaral Nakao
- School of Pharmacy - Federal University of Ouro Preto, 35400-000 Ouro Preto, MG, Brazil
| | - Tamires Cunha Almeida
- School of Pharmacy - Federal University of Ouro Preto, 35400-000 Ouro Preto, MG, Brazil
| | | | | | | | | | | | | | - Geraldo Célio Brandão
- School of Pharmacy - Federal University of Ouro Preto, 35400-000 Ouro Preto, MG, Brazil
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Reis RCFM, Dos Santos EG, Benedetti MD, Reis ACC, Brandão GC, Silva GND, Diniz LA, Ferreira RS, Caldas IS, Braga SFP, Souza TBD. Design and synthesis of new 1,2,3-triazoles derived from eugenol and analogues with in vitro and in vivo activity against Trypanosoma cruzi. Eur J Med Chem 2023; 258:115622. [PMID: 37441850 DOI: 10.1016/j.ejmech.2023.115622] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2023] [Revised: 06/22/2023] [Accepted: 07/01/2023] [Indexed: 07/15/2023]
Abstract
Chagas disease (CD) is a neglected tropical disease endemic in 21 countries and affects about 8 million people around the world. The pharmacotherapy for this disease is limited to two drugs (Benznidazole and Nifurtimox) and both are associated with important limitations, as low cure rate in the chronic phase of the disease, high toxicity and increasing resistance by Trypanosoma cruzi. Recently, we reported a bioactive 1,2,3-triazole (compound 35) active in vitro (IC50 42.8 μM) and in vivo (100 mg/kg) against T. cruzi Y strains and preliminary in silico studies suggested the cysteine protease cruzain as a possible target. Considering these initial findings, we describe here the design and synthesis of new 1,2,3-triazoles derivatives of our hit compound (35). The triazoles were initially evaluated against healthy cells derived from neonatal rat cardiomyoblasts (H9c2 cells) to determine their cytotoxicity and against epimastigotes forms of T. cruzi Y strain. The most active triazoles were compounds 26 (IC50 19.7 μM) and 27 (IC50 7.3 μM), while benznidazole was active at 21.6 μM. Derivative 27 showed an interesting selectivity index considering healthy H9c2 cells (>77). Promising activities against trypomastigotes forms of the parasite were also observed for triazoles 26 (IC50 20.74 μM) and 27 (IC50 8.41 μM), mainly 27 which showed activity once again higher than that observed for benznidazole (IC50 12.72 μM). While docking results suggested cruzain as a potential target for these compounds, no significant enzyme inhibition was observed in vitro, indicating that their trypanocidal activity is related to another mode of action. Considering the promising in vitro results of triazoles 26 and 27, the in vivo toxicity was initially verified based on the evaluation of behavioral and physiological parameters, mortality, effect in body weight gain, and through the measurement of AST/ALT enzymes, which are markers of liver toxicity. All these evaluations pointed to a good tolerability of the animals, especially considering triazole 27. A reduction in parasitemia was observed among animals treated with triazole 27, but not among those treated with derivative 26. Regarding the dosage, derivative 27 (100 mg/kg) was the most active sample against T. cruzi infection, showing a 99.4% reduction in parasitemia peak. Triazole 27 at a dosage of 100 mg/kg influenced the humoral immune response and reduced myocarditis in the animals, bringing antibody levels closer to those observed among healthy mice. Altogether, our results indicate compound 27 as a new lead for the development of drug candidates to treat Chagas disease.
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Affiliation(s)
| | - Elda Gonçalves Dos Santos
- Department of Pathology and Parasitology, Federal University of Alfenas, 37130-001, Alfenas, MG, Brazil
| | - Monique Dias Benedetti
- Department of Pathology and Parasitology, Federal University of Alfenas, 37130-001, Alfenas, MG, Brazil
| | | | - Geraldo Célio Brandão
- School of Pharmacy - Federal University of Ouro Preto, 35400-000, Ouro Preto, MG, Brazil
| | | | - Lucas Abreu Diniz
- Biochemistry and Immunology Department - Federal University of Minas Gerais, 31270-901, Belo Horizonte, MG, Brazil
| | - Rafaela Salgado Ferreira
- Biochemistry and Immunology Department - Federal University of Minas Gerais, 31270-901, Belo Horizonte, MG, Brazil
| | - Ivo Santana Caldas
- Department of Pathology and Parasitology, Federal University of Alfenas, 37130-001, Alfenas, MG, Brazil
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Campos Péret VA, Reis RCFM, Braga SFP, Benedetti MD, Caldas IS, Carvalho DT, Santana LFDA, Johann S, Souza TBD. New miconazole-based azoles derived from eugenol show activity against Candida spp. and Cryptococcus gattii by inhibiting the fungal ergosterol biosynthesis. Eur J Med Chem 2023; 256:115436. [PMID: 37146343 DOI: 10.1016/j.ejmech.2023.115436] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2023] [Revised: 04/27/2023] [Accepted: 04/29/2023] [Indexed: 05/07/2023]
Abstract
This work describes the design, synthesis and antifungal activity of new imidazoles and 1,2,4-triazoles derived from eugenol and dihydroeugenol. These new compounds were fully characterized by spectroscopy/spectrometric analyses and the imidazoles 9, 10, 13 e 14 showed relevant antifungal activity against Candida sp. and Cryptococcus gattii in the range of 4.6-75.3 μM. Although no compound has shown a broad spectrum of antifungal activity against all evaluated strains, some azoles were more active than either reference drugs employed against specific strains. Eugenol-imidazole 13 was the most promising azole (MIC: 4.6 μM) against Candida albicans being 32 times more potent than miconazole (MIC: 150.2 μM) with no relevant cytotoxicity (selectivity index >28). Notably, dihydroeugenol-imidazole 14 was twice as potent (MIC: 36.4 μM) as miconazole (MIC: 74.9 μM) and more than 5 times more active than fluconazole (MIC: 209.0 μM) against alarming multi-resistant Candida auris. Furthermore, in vitro assays showed that most active compounds 10 and 13 altered the fungal ergosterol biosynthesis, reducing its content as fluconazole does, suggesting the enzyme lanosterol 14α-demethylase (CYP51) as a possible target for these new compounds. Docking studies with CYP51 revealed an interaction between the imidazole ring of the active substances with the heme group, as well as insertion of the chlorinated ring into a hydrophobic cavity at the binding site, consistent with the behavior observed with control drugs miconazole and fluconazole. The increase of azoles-resistant isolates of Candida species and the impact that C. auris has had on hospitals around the world reinforces the importance of discovery of azoles 9, 10, 13 e 14 as new bioactive compounds for further chemical optimization to afford new clinically antifungal agents.
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Affiliation(s)
| | | | | | | | - Ivo Santana Caldas
- Institute of Biomedical Sciences - Federal University of Alfenas, Alfenas, Brazil
| | - Diogo Teixeira Carvalho
- Pharmaceutical Sciences Faculty - Federal University of Alfenas, 37130-001, Alfenas, MG, Brazil
| | - Luiz Felipe de Andrade Santana
- Department of Microbiology, Institute of Biological Sciences, Federal University of Minas Gerais, 31270-901, Belo Horizonte, MG, Brazil
| | - Susana Johann
- Department of Microbiology, Institute of Biological Sciences, Federal University of Minas Gerais, 31270-901, Belo Horizonte, MG, Brazil
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Reis RCFM, Reis ACC, Torchelsen FKVS, de Lana M, Junior PAS, Brandão GC, Braga SFP, de Souza TB. Synthesis, trypanocidal and cytotoxic activities of α,β-unsaturated ketones derived from eugenol and analogues. Med Chem Res 2022. [DOI: 10.1007/s00044-022-02976-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/10/2022]
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de Souza IMM, Novaes RD, Gonçalves RV, Fialho FLB, Carvalho DT, de Souza TB, Dias DF, Lavorato SN, Souza RLM, Marques MJ, Castro AP. In vitro and in silico evaluation of the schistosomicidal activity of eugenol derivatives using biochemical, molecular, and morphological tools. J Venom Anim Toxins Incl Trop Dis 2022; 28:e20210108. [PMID: 35854812 PMCID: PMC9258719 DOI: 10.1590/1678-9199-jvatitd-2021-0108] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2021] [Accepted: 05/20/2022] [Indexed: 11/22/2022] Open
Abstract
Background Eugenol shows both antibacterial and antiparasitic activities, suggesting
that it might be evaluated as an option for the treatment of
praziquantel-resistant schistosome. Methods The in vitro activities of three eugenol derivatives (FB1,
FB4 and FB9) on adult worms from Schistosoma mansoni were
examined by fluorescence and scanning electron microscopy to analyze effects
on the excretory system and integument damage, respectively. Biochemical
tests with verapamil (a calcium channel antagonist) and ouabain (a
Na+/K+-ATPase pump inhibitor) were used to
characterize eugenol derivative interactions with calcium channels and the
Na+/K+-ATPase, while in silico
analysis identified potential Na+/K+-ATPase binding
sites. Results The compounds showed effective doses (ED50) of 0.324 mM (FB1),
0.167 mM (FB4), and 0.340 mM (FB9). In addition, FB4 (0.322 mM), which
showed the lowest ED50, ED90 and ED100 (p
< 0.05), caused the most damage to the excretory system and integument,
according to both fluorescence and scanning electron microscopy analysis.
The death of adult worms was delayed by ouabain treatment plus FB1 (192
versus 72 hours) and FB9 (192 versus
168 hours), but the response to FB4 was the same in the presence or absence
of ouabain. Besides, no changes were noted when all of the eugenol
derivatives were combined with verapamil. Moreover, FB1 and FB9 inhibited
Na+/K+-ATPase activity according to in
silico analysis but FB4 did not show a time-dependent
relationship and may act on targets other than the parasite Na+/K+-ATPase.
Conclusion Eugenol derivatives, mainly FB4 when compared to FB1 and FB9, seem to act
more effectively on the integument of adult S. mansoni
worms.
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Affiliation(s)
| | - Romulo Dias Novaes
- Institute of Biomedical Sciences, Federal University of Alfenas (Unifal), Alfenas, MG, Brazil
| | | | | | - Diogo Teixeira Carvalho
- School of Pharmaceutical Sciences, Federal University of Alfenas (Unifal), Alfenas, MG, Brazil
| | | | | | - Stefânia Neiva Lavorato
- Center of Biological Sciences and Health, Federal University of Western Bahia (Ufob), Barreiras, BA, Brazil
| | | | - Marcos José Marques
- Institute of Biomedical Sciences, Federal University of Alfenas (Unifal), Alfenas, MG, Brazil
| | - Aline Pereira Castro
- Institute of Biomedical Sciences, Federal University of Alfenas (Unifal), Alfenas, MG, Brazil.,Department of Pharmacy, University Center of Lavras (Unilavras), Lavras, MG, Brazil
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Alvarenga DJ, Matias LMF, Cordeiro CF, Souza TBD, Lavorato SN, Pereira MGAG, Dias DF, Carvalho DT. Synthesis of eugenol-derived glucosides and evaluation of their ability in inhibiting the angiotensin converting enzyme. Nat Prod Res 2022; 36:2246-2253. [PMID: 33032468 DOI: 10.1080/14786419.2020.1827399] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
We report here a series of glucosides which are active as inhibitors of the angiotensin converting enzyme (ACE). They are structurally related to the natural compound eugenol and exhibited significant inhibition values. Their syntheses were expeditious and we could obtain informative docking plots of them complexed to this enzyme. A glucoside derived from eugenol, carrying a carboxylic group in the aglycone, was the most active of them (with an IC50 of 0.4 mM) and showed good binding energies in docking studies with ACE. Moreover, computational prediction of toxicity risks, physicochemical properties and drug score show that the glucoside derivative of eugenol is a suitable compound for optimisation studies aimed at finding new drug candidates.
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Affiliation(s)
| | | | | | | | - Stefânia Neiva Lavorato
- Centro das Ciências Biológicas e da Saúde, Universidade Federal do Oeste da Bahia, Barreiras, BA, Brazil
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Magalhães LSD, Reis ACC, Nakao IA, Péret VAC, Reis RCFM, Silva NC, Dias ALT, Carvalho DT, Dias DF, Brandão GC, Braga SFP, Souza TBD. Glucosyl-1,2,3-triazoles derived from eugenol and analogues: Synthesis, anti-Candida activity, and molecular modeling studies in CYP-51. Chem Biol Drug Des 2021; 98:903-913. [PMID: 34480517 DOI: 10.1111/cbdd.13948] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2021] [Revised: 08/03/2021] [Accepted: 08/30/2021] [Indexed: 01/26/2023]
Abstract
This work describes the synthesis, anti-Candida, and molecular modeling studies of eighteen new glucosyl-1,2,3-triazoles derived from eugenol and correlated phenols. The new compounds were characterized by combined Fourier Transform Infrared, 1 H and 13 C nuclear magnetic resonance and spectroscopy of high-resolution mass spectrometry. The synthesized compounds did not show significant cytotoxicity against healthy fibroblast human cells (MCR-5) providing interesting selectivity indexes (SI) to active compounds. Considering the antifungal activity, nine compounds showed anti-Candida potential and the peracetylated triazoles 17 and 18 were the most promising ones. Eugenol derivative 17 was active against three species of Candida at 26.1-52.1 μM. This compound was four times more potent than fluconazole against Candida krusei and less toxic (SI > 6.6) against the MCR-5 cells than fluconazole (SI > 3.3) considering this strain. Dihydroeugenol derivative 18 showed similar activity to 17 and was four times more potent and less toxic than fluconazole against C. krusei. The deacetylated glucosides and non-glucosylated corresponding derivatives did not show considerable antifungal action, suggesting that the acetyl groups are essential for their anti-Candida activity. Molecular docking coupled with molecular dynamics showed that 14α-lanosterol demethylase is a feasible molecular target, since 17 and 18 could bind to this enzyme once deacetylated in vivo, thereby acting as prodrugs. Also, these studies demonstrated the importance of hydrophobic substituents at the phenyl ring.
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Affiliation(s)
| | | | | | | | | | - Naiara Chaves Silva
- Institute of Biomedical Sciences, Federal University of Alfenas, Alfenas, Brazil
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Azevedo-Barbosa H, do Vale BP, Guidolin Rossi G, Dos Santos Siqueira F, Bordignon Guterres K, de Campos MMA, Dos Santos T, Anthony Hawkes J, Ferreira Dias D, Neiva Lavorato S, de Souza TB, Teixeira Carvalho D. Design, Synthesis, Antimicrobial Evaluation and in Silico Studies of Eugenol-Sulfonamide Hybrids. Chem Biodivers 2021; 18:e2100066. [PMID: 33829648 DOI: 10.1002/cbdv.202100066] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2021] [Accepted: 03/04/2021] [Indexed: 01/14/2023]
Abstract
Using molecular hybridization, specific sulfonamide derivatives of eugenol were synthesized with subtle modifications in the allylic chain of the eugenol subunit (and also in the nature of the substituent group in the sulfonamide aromatic ring) which allowed us to study the influence of structural changes on the antimicrobial potential of the hybrids. Antimicrobial test results showed that most of the synthesized hybrid compounds showed good activity with better results than the parent compounds. Molecular docking studies of the hybrids with the essential bacterial enzyme DHPS showed complexes with low binding energies, suggesting that DHPS could be a possible target for the antibacterial sulfonamide-eugenol hybrids. Furthermore, most of the final compounds presented similar docking poses to that of the crystallographic ligand sulfamethoxazole. The results obtained allow us to conclude that these are promising compounds for use as new leads in the search for new antibacterial sulfonamides.
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Affiliation(s)
- Helloana Azevedo-Barbosa
- Faculdade de Ciências Farmacêuticas, Universidade Federal de Alfenas, Rua Gabriel Monteiro da Silva 700, Alfenas, 37130-001, MG, Brazil
| | - Bianca Pereira do Vale
- Faculdade de Ciências Farmacêuticas, Universidade Federal de Alfenas, Rua Gabriel Monteiro da Silva 700, Alfenas, 37130-001, MG, Brazil
| | - Grazielle Guidolin Rossi
- Departamento de Análises Clínicas e Toxicológicas, Universidade Federal de Santa Maria, Av. Roraima No. 1000, Cidade Universitária, Camobi, Santa Maria, 97105-900, RS, Brazil
| | - Fallon Dos Santos Siqueira
- Departamento de Análises Clínicas e Toxicológicas, Universidade Federal de Santa Maria, Av. Roraima No. 1000, Cidade Universitária, Camobi, Santa Maria, 97105-900, RS, Brazil
| | - Kevim Bordignon Guterres
- Departamento de Análises Clínicas e Toxicológicas, Universidade Federal de Santa Maria, Av. Roraima No. 1000, Cidade Universitária, Camobi, Santa Maria, 97105-900, RS, Brazil
| | - Marli Matiko Anraku de Campos
- Departamento de Análises Clínicas e Toxicológicas, Universidade Federal de Santa Maria, Av. Roraima No. 1000, Cidade Universitária, Camobi, Santa Maria, 97105-900, RS, Brazil
| | - Thiago Dos Santos
- Faculdade de Ciências Farmacêuticas de Ribeirão Preto, Universidade de São Paulo, Avenida do Café, Ribeirão Preto, 14040-903, SP, Brazil
| | - Jamie Anthony Hawkes
- Faculdade de Ciências Farmacêuticas, Universidade Federal de Alfenas, Rua Gabriel Monteiro da Silva 700, Alfenas, 37130-001, MG, Brazil
| | - Danielle Ferreira Dias
- Instituto de Química, Universidade Federal de Alfenas, Rua Gabriel Monteiro da Silva, 700, Alfenas, 37130-001, MG, Brazil
| | - Stefânia Neiva Lavorato
- Centro das Ciências Biológicas e da Saúde, Universidade Federal do Oeste da Bahia, Rua Professor José Seabra de Lemos, 316, Recanto dos Pássaros, Barreiras, 47808-021, BA, Brazil
| | - Thiago Belarmino de Souza
- Escola de Farmácia, Universidade Federal de Ouro Preto, Morro do cruzeiro, Bauxita, Ouro Preto, 35400-000 MG, Brazil
| | - Diogo Teixeira Carvalho
- Faculdade de Ciências Farmacêuticas, Universidade Federal de Alfenas, Rua Gabriel Monteiro da Silva 700, Alfenas, 37130-001, MG, Brazil
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Bretas ACO, Souza TBD, Borelli B, Johan S, Alves RJ. Synthesis of novel papulacandin D analogs and evaluation of their antifungal potential. BRAZ J PHARM SCI 2020. [DOI: 10.1590/s2175-97902019000417652] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
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de Souza TB, Caldas IS, Paula FR, Rodrigues CC, Carvalho DT, Dias DF. Synthesis, activity, and molecular modeling studies of 1,2,3-triazole derivatives from natural phenylpropanoids as new trypanocidal agents. Chem Biol Drug Des 2019; 95:124-129. [PMID: 31569301 DOI: 10.1111/cbdd.13628] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2019] [Revised: 08/12/2019] [Accepted: 09/21/2019] [Indexed: 12/15/2022]
Abstract
The search for compounds with new structural scaffolds is an important tool to the discovery of new drugs against Chagas disease. We report herein the synthesis of 1,2,3-triazoles obtained from eugenol and di-hydroeugenol and their in vitro and in vivo trypanocidal activity. These derivatives were obtained by a three-step objective route and were suitably characterized by 1 H and 13 C nuclear magnetic resonance spectroscopy and high-resolution mass spectrometry. Two compounds (9 and 10) showed activity against epimastigote forms of Trypanosoma cruzi (Y strain) in the range 42.8-88.4 μM and were weakly toxic to cardiomyoblast cells (H9c2 cells). The triazole 10 was the most active derivative and could reduce more than 50% of parasitemia after a 100-mg/kg oral treatment of mice infected with T. cruzi. Molecular docking studies suggested this compound could act as a trypanocidal agent by inhibiting cruzain, an essential enzyme for T. cruzi metabolism, usually inhibited by triazole compounds.
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Affiliation(s)
| | - Ivo Santana Caldas
- Instituto de Ciências Biomédicas, Universidade Federal de Alfenas, Alfenas, Brazil
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11
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Guilherme FD, Simonetti JÉ, Folquitto LRS, Reis ACC, Oliver JC, Dias ALT, Dias DF, Carvalho DT, Brandão GC, Souza TBD. Synthesis, chemical characterization and antimicrobial activity of new acylhydrazones derived from carbohydrates. J Mol Struct 2019. [DOI: 10.1016/j.molstruc.2019.02.045] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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Oliveira MDS, Barbosa MIF, de Souza TB, Moreira DRM, Martins FT, Villarreal W, Machado RP, Doriguetto AC, Soares MBP, Bezerra DP. A novel platinum complex containing a piplartine derivative exhibits enhanced cytotoxicity, causes oxidative stress and triggers apoptotic cell death by ERK/p38 pathway in human acute promyelocytic leukemia HL-60 cells. Redox Biol 2018; 20:182-194. [PMID: 30359932 PMCID: PMC6198128 DOI: 10.1016/j.redox.2018.10.006] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2018] [Revised: 10/02/2018] [Accepted: 10/08/2018] [Indexed: 12/19/2022] Open
Abstract
Piplartine (piperlongumine) is a plant-derived compound found in some Piper species that became a novel potential antineoplastic agent. In the present study, we synthesized a novel platinum complex containing a piplartine derivative cis-[PtCl(PIP-OH)(PPh3)2]PF6 (where, PIP-OH = piplartine demethylated derivative; and PPh3 = triphenylphosphine) with enhanced cytotoxicity in different cancer cells, and investigated its apoptotic action in human promyelocytic leukemia HL-60 cells. The structure of PIP-OH ligand was characterized by X-ray crystallographic analysis and the resulting platinum complex was characterized by infrared, molar conductance measurements, elemental analysis and NMR experiments. We found that the complex is more potent than piplartine in a panel of cancer cell lines. Apoptotic cell morphology, increased internucleosomal DNA fragmentation, without cell membrane permeability, loss of the mitochondrial transmembrane potential, increased phosphatidylserine externalization and caspase-3 activation were observed in complex-treated HL-60 cells. Treatment with the complex also caused a marked increase in the production of reactive oxygen species (ROS), and the pretreatment with N-acetyl-L-cysteine, an antioxidant, reduced the complex-induced apoptosis, indicating activation of ROS-mediated apoptosis pathway. Important, pretreatment with a p38 MAPK inhibitor (PD 169316) and MEK inhibitor (U-0126), known to inhibit ERK1/2 activation, also prevented the complex-induced apoptosis. The complex did not induce DNA intercalation in cell-free DNA assays. In conclusion, the complex exhibits more potent cytotoxicity than piplartine in a panel of different cancer cells and triggers ROS/ERK/p38-mediated apoptosis in HL-60 cells.
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Affiliation(s)
- Maiara de S Oliveira
- Gonçalo Moniz Institute, Oswaldo Cruz Foundation (IGM-FIOCRUZ/BA), Rua Waldemar Falcão, 121, Candeal, 40296-710 Salvador, Bahia, Brazil
| | - Marília I F Barbosa
- Institute of Chemistry, Federal University of Alfenas, Alfenas 37133-840, Minas Gerais, Brazil
| | - Thiago Belarmino de Souza
- Department of Pharmacy, Federal University of Ouro Preto, Ouro Preto 35400-000, Minas Gerais, Brazil
| | - Diogo R M Moreira
- Gonçalo Moniz Institute, Oswaldo Cruz Foundation (IGM-FIOCRUZ/BA), Rua Waldemar Falcão, 121, Candeal, 40296-710 Salvador, Bahia, Brazil
| | - Felipe Terra Martins
- Institute of Chemistry, Federal University of Goiás, Goiânia 740011970, Goiás, Brazil
| | - Wilmer Villarreal
- Department of Chemistry, Federal University of São Carlos, São Carlos 13565-905, São Paulo, Brazil
| | - Rafael P Machado
- Institute of Chemistry, Federal University of Alfenas, Alfenas 37133-840, Minas Gerais, Brazil
| | | | - Milena B P Soares
- Gonçalo Moniz Institute, Oswaldo Cruz Foundation (IGM-FIOCRUZ/BA), Rua Waldemar Falcão, 121, Candeal, 40296-710 Salvador, Bahia, Brazil; Center of Biotechnology and Cell Therapy, Hospital São Rafael, Salvador, Bahia 41253-190, Brazil
| | - Daniel P Bezerra
- Gonçalo Moniz Institute, Oswaldo Cruz Foundation (IGM-FIOCRUZ/BA), Rua Waldemar Falcão, 121, Candeal, 40296-710 Salvador, Bahia, Brazil.
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Hipólito TMM, Bastos GTL, Barbosa TWL, de Souza TB, Coelho LFL, Dias ALT, Rodríguez IC, Dos Santos MH, Dias DF, Franco LL, Carvalho DT. Synthesis, activity, and docking studies of eugenol-based glucosides as new agents against Candida sp. Chem Biol Drug Des 2018; 92:1514-1524. [PMID: 29693318 DOI: 10.1111/cbdd.13318] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2018] [Revised: 03/23/2018] [Accepted: 04/06/2018] [Indexed: 01/02/2023]
Abstract
Seventeen new synthetic derivatives of eugenol (6, 8-15 and 8'-15') were planned following literature reports on antifungal activities of nitroeugenol and eugenol glucoside. The anti-Candida activity of these compounds was investigated by in vitro assay, and the cytotoxicity evaluation was performed with the most active compounds. The peracetylated glucosides presented better biological results than their hydroxylated analogues. The glucoside 11, a 4-nitrobenzamide, showed the best potency (MIC50 range 11.0-151.84 μm), the wider spectrum of action, and overall the best selectivity indexes, especially against C. tropicalis (~30) and C. krusei (~15). To investigate its possible mechanism of action, glucoside 11 was subjected to molecular docking studies with Candida sp. enzymes involved in ergosterol biosynthesis. Results have shown that the peracetyl glucosyl moiety and the 4-nitrobenzamide group in 11 are effectively involved in its high affinity with the active site of squalene epoxidase.
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Affiliation(s)
| | | | | | | | | | | | | | | | | | - Lucas Lopardi Franco
- Faculdade de Ciências Farmacêuticas, Universidade Federal de Alfenas, Alfenas, MG, Brazil
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Lago MW, Friedrich ML, Iop GD, de Souza TB, de Azevedo Mello P, Adams AIH. Capillary zone electrophoresis method to assay tipranavir capsules and identification of oxidation product and organic impurity by quadrupole-time of flight mass spectrometry. Talanta 2018; 181:182-189. [DOI: 10.1016/j.talanta.2018.01.012] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2017] [Revised: 01/03/2018] [Accepted: 01/04/2018] [Indexed: 10/18/2022]
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Cazelli DSP, Barroso MES, Pizi RB, Orlandi M, de Souza TB, Carvalho DT, da Silva Gonçalves A, Endringer DC. The relationship between the antimicrobial activity of eugenol and the LPETG peptide structure and associated analysis for docking purposes. Chem Pap 2017. [DOI: 10.1007/s11696-017-0181-0] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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de Souza TB, Brito KMDO, Silva NC, Rocha RP, de Sousa GF, Duarte LP, Coelho LFL, Dias ALT, Veloso MP, Carvalho DT, Dias DF. New Eugenol Glucoside-based Derivative Shows Fungistatic and Fungicidal Activity against Opportunistic Candida glabrata. Chem Biol Drug Des 2015. [PMID: 26215123 DOI: 10.1111/cbdd.12625] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
A new series of glucosides modified in their saccharide units were synthesized, evaluated against Candida sp., and compared to prototype 1, an eugenol tetracetyl glucoside previously synthesized and shown to be active against Candida glabrata. Among the new glucosides, benzyl derivative 5 was the most promising, showing fungistatic activity at IC50 18.1 μm against Candida glabrata (threefold higher than fluconazole) and fungicidal activity with a low IC90 value of 36.2 μm. Moreover, the cytotoxic activity of compound 5 (CC50 : 580.9 μm), tested in peripheral blood mononuclear cells, suggests its potential as an agent to treat Candida glabrata infections, with a selectivity index of 32. The new eugenol glucoside 5 may be considered as a novel structural pattern in the development of new anti-Candida drugs.
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Affiliation(s)
- Thiago Belarmino de Souza
- Instituto de Química, Universidade Federal de Alfenas, Rua Gabriel Monteiro da Silva, 700 Alfenas, Brazil
| | | | - Naiara Chaves Silva
- Instituto de Ciências Biomédicas, Universidade Federal de Alfenas, Rua Gabriel Monteiro da Silva, 700 Alfenas, Brazil
| | - Raissa Prado Rocha
- Instituto de Ciências Biomédicas, Universidade Federal de Alfenas, Rua Gabriel Monteiro da Silva, 700 Alfenas, Brazil
| | - Grasiely Faria de Sousa
- Departamento de Química, Universidade Federal de Minas Gerais, Av. Pres. Antônio Carlos, 6627 Belo Horizonte, Brazil
| | - Lucienir Pains Duarte
- Departamento de Química, Universidade Federal de Minas Gerais, Av. Pres. Antônio Carlos, 6627 Belo Horizonte, Brazil
| | - Luiz Felipe Leomil Coelho
- Instituto de Ciências Biomédicas, Universidade Federal de Alfenas, Rua Gabriel Monteiro da Silva, 700 Alfenas, Brazil
| | - Amanda Latércia Tranches Dias
- Instituto de Ciências Biomédicas, Universidade Federal de Alfenas, Rua Gabriel Monteiro da Silva, 700 Alfenas, Brazil
| | - Marcia Paranho Veloso
- Faculdade de Ciências Farmacêuticas, Universidade Federal de Alfenas, Rua Gabriel Monteiro da Silva, 700 Alfenas, Brazil
| | - Diogo Teixeira Carvalho
- Faculdade de Ciências Farmacêuticas, Universidade Federal de Alfenas, Rua Gabriel Monteiro da Silva, 700 Alfenas, Brazil
| | - Danielle Ferreira Dias
- Instituto de Química, Universidade Federal de Alfenas, Rua Gabriel Monteiro da Silva, 700 Alfenas, Brazil
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Souza TBD, Bretas ACO, Alves RJ, Magalhães TFF, Stoianoff MAR. SYNTHESIS AND ANTIFUNGAL ACTIVITY OF PALMITIC ACID-BASED NEOGLYCOLIPIDS RELATED TO PAPULACANDIN D. QUIM NOVA 2015. [DOI: 10.5935/0100-4042.20150156] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
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de Souza TB, Orlandi M, Coelho LFL, Malaquias LCC, Dias ALT, de Carvalho RR, Silva NC, Carvalho DT. Synthesis and in vitro evaluation of antifungal and cytotoxic activities of eugenol glycosides. Med Chem Res 2013. [DOI: 10.1007/s00044-013-0669-2] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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