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Dobrachinski L, Ferreira LL, Cirino ME, Andrade-de-Siqueira AI, Mafud AC, Mascarenhas YP, Andricopulo AD, Moraes JD. The 3D pharmacophore modeling to explore new antischistosomal agents among US FDA approved drugs. Future Med Chem 2024:1-9. [PMID: 39072451 DOI: 10.1080/17568919.2024.2379231] [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: 04/10/2024] [Accepted: 06/14/2024] [Indexed: 07/30/2024] Open
Abstract
Aim: To identify potential antischistosomal agents through 3D pharmacophore-based virtual screening of US FDA approved drugs. Materials & methods: A comprehensive virtual screening was conducted on a dataset of 10,000 FDA approved drugs, employing praziquantel as a template. Promising candidates were selected and assessed for their impact on Schistosoma mansoni viability in vitro and in vivo using S. mansoni infected mice. Results & conclusion: Among the selected drugs, betamethasone and doxazosin demonstrated in vitro efficacy, with effective concentration 50% (EC50) values ranging from 35 to 60 μM. In vivo studies revealed significant (>50%) reductions in worm burden for both drugs. These findings suggest that betamethasone and doxazosin hold promise for repurposing in treating schistosomiasis. Additionally, the study showcases a useful approach for identifying new antischistosomal drugs.
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Affiliation(s)
- Leandro Dobrachinski
- Núcleo de Pesquisa em Doenças Negligenciadas, Universidade Guarulhos, Guarulhos, SP, Brazil
| | - Leonardo Lg Ferreira
- Instituto de Física de São Carlos, Universidade de São Paulo, São Carlos, SP, Brazil
| | - Maria E Cirino
- Núcleo de Pesquisa em Doenças Negligenciadas, Universidade Guarulhos, Guarulhos, SP, Brazil
| | | | - Ana C Mafud
- Instituto de Física de São Carlos, Universidade de São Paulo, São Carlos, SP, Brazil
| | - Yvonne P Mascarenhas
- Instituto de Física de São Carlos, Universidade de São Paulo, São Carlos, SP, Brazil
| | - Adriano D Andricopulo
- Instituto de Física de São Carlos, Universidade de São Paulo, São Carlos, SP, Brazil
| | - Josué de Moraes
- Núcleo de Pesquisa em Doenças Negligenciadas, Universidade Guarulhos, Guarulhos, SP, Brazil
- Núcleo de Pesquisa em Doenças Negligenciadas, Universidade Brasil, São Paulo, SP, Brazil
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2
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Cajas RA, Santos SSB, Espírito-Santo MCC, Garedaghi Y, de Moraes J. In vitro and in vivo efficacy of the amiodarone and praziquantel combination against the blood fluke Schistosoma mansoni. Antimicrob Agents Chemother 2024; 68:e0011424. [PMID: 38780260 PMCID: PMC11232383 DOI: 10.1128/aac.00114-24] [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: 01/20/2024] [Accepted: 05/02/2024] [Indexed: 05/25/2024] Open
Abstract
Schistosomiasis, a widespread parasitic disease caused by the blood fluke of the genus Schistosoma, affects over 230 million people, primarily in developing countries. Praziquantel, the sole drug currently approved for schistosomiasis treatment, demonstrates effectiveness against patent infections. A recent study highlighted the antiparasitic properties of amiodarone, an anti-arrhythmic drug, exhibiting higher efficacy than praziquantel against prepatent infections. This study assessed the efficacy of amiodarone and praziquantel, both individually and in combination, against Schistosoma mansoni through comprehensive in vitro and in vivo experiments. In vitro experiments demonstrated synergistic activity (fractional inhibitory concentration index ≤0.5) for combinations of amiodarone with praziquantel. In a murine model of schistosomiasis featuring prepatent infections, treatments involving amiodarone (200 or 400 mg/kg) followed by praziquantel (200 or 400 mg/kg) yielded a substantial reduction in worm burden (60%-70%). Given the low efficacy of praziquantel in prepatent infections, combinations of amiodarone with praziquantel may offer clinical utility in the treatment of schistosomiasis.
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Affiliation(s)
- Rayssa A Cajas
- Research Center on Neglected Diseases, Guarulhos University, São Paulo, Brazil
| | - Silvia S B Santos
- Research Center on Neglected Diseases, Guarulhos University, São Paulo, Brazil
| | - Maria Cristina C Espírito-Santo
- Department of Infectious and Parasitic Diseases, Faculty of Medicine, Laboratory of Immunopathology of Schistosomiasis (LIM-06), University of São Paulo, São Paulo, Brazil
- Laboratory of Helminthology, Institute of Tropical Medicine, University of São Paulo, São Paulo, Brazil
| | - Yagoob Garedaghi
- Department of Parasitology, Faculty of Veterinary Medicine, Tabriz Medical Sciences, Islamic Azad University, Tabriz, Iran
| | - Josué de Moraes
- Research Center on Neglected Diseases, Guarulhos University, São Paulo, Brazil
- Research Center on Neglected Diseases, Scientific and Technological Institute, Brazil University, São Paulo, Brazil
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3
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Mohammad OS, Hussein HM, Abdel-Sayed SW, Mohamed GA, Shehata MAS. Therapeutic efficacy of candidate antischistosomal drugs in a murine model of schistosomiasis mansoni. Parasitol Res 2024; 123:215. [PMID: 38771511 DOI: 10.1007/s00436-024-08236-8] [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: 02/28/2024] [Accepted: 05/07/2024] [Indexed: 05/22/2024]
Abstract
Schistosomiasis is a neglected tropical disease associated with considerable morbidity. Praziquantel (PZQ) is effective against adult schistosomes, yet, it has little effect on juvenile stages, and PZQ resistance is emerging. Adopting the drug repurposing strategy as well as assuming enhancing the efficacy and lessening the doses and side effects, the present study aimed to investigate the in vivo therapeutic efficacy of the widely used antiarrhythmic, amiodarone, and diuretic, spironolactone, and combinations of them compared to PZQ. Mice were infected by Schistosoma mansoni "S. mansoni" cercariae (Egyptian strain), then they were divided into two major groups: Early- [3 weeks post-infection (wpi)] and late- [6 wpi] treated. Each group was subdivided into seven subgroups: positive control, PZQ, amiodarone, spironolactone, PZQ combined with amiodarone, PZQ combined with spironolactone, and amiodarone combined with spironolactone-treated groups. Among the early-treated groups, spironolactone had the best therapeutic impact indicated by a 69.4% reduction of total worm burden (TWB), 38.6% and 48.4% reduction of liver and intestine egg load, and a significant reduction of liver granuloma number by 49%. Whereas, among the late-treated groups, amiodarone combined with PZQ was superior to PZQ alone evidenced by 96.1% reduction of TWB with the total disappearance of female and copula in the liver and intestine, 53.1% and 84.9% reduction of liver and intestine egg load, and a significant reduction of liver granuloma number by 67.6%. Comparatively, spironolactone was superior to PZQ and amiodarone in the early treatment phase targeting immature stages, while amiodarone had a more potent effect when combined with PZQ in the late treatment phase targeting mature schistosomes.
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Affiliation(s)
- Omnia Sobhi Mohammad
- Medical Parasitology Department, Faculty of Medicine, Ain Shams University, Cairo, Egypt.
| | | | | | - Ghada Adel Mohamed
- Medical Parasitology Department, Faculty of Medicine, Ain Shams University, Cairo, Egypt
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Villamizar-Monsalve MA, López-Abán J, Vicente B, Peláez R, Muro A. Current drug strategies for the treatment and control of schistosomiasis. Expert Opin Pharmacother 2024; 25:409-420. [PMID: 38511392 DOI: 10.1080/14656566.2024.2333372] [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: 01/30/2024] [Accepted: 03/18/2024] [Indexed: 03/22/2024]
Abstract
INTRODUCTION Schistosomiasis, one of the current Neglected Tropical Diseases (NTDs) affects over 230 million people globally, with nearly 700 million at risk in more than 74 countries. Praziquantel (PZQ) has served as the primary treatment for the past four decades; however, its effectiveness is limited as it solely eliminates adult worms. In regions where infections are frequent, PZQ exhibits only temporary efficacy and has restricted potential to disrupt the prolonged transmission of the disease. AREAS COVERED A comprehensive exploration using the PubMed database was conducted to review current pharmacotherapy approaches for schistosomiasis. This review also encompasses recent research findings related to potential novel therapeutics and the repurposing of existing drugs. EXPERT OPINION Current schistosoma treatment strategies, primarily relying on PZQ, face challenges like temporary effectiveness and limited impact on disease transmission. Drug repurposing, due to economic constraints, is decisive for NTDs. Despite PZQ's efficacy, its failure to prevent reinfection highlights the need for complementary strategies, especially in regions with persistent environmental foci. Integrating therapies against diverse schistosome stages boosts efficacy and impedes resistance. Uncovering novel agents is essential to address resistance concerns in tackling this neglected tropical disease. Integrated strategies present a comprehensive approach to navigate the complex challenges.
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Affiliation(s)
- María Alejandra Villamizar-Monsalve
- Infectious and Tropical Diseases Research Group (e-INTRO), Biomedical Research Institute of Salamanca Research Centre for Tropical Diseases at the University of Salamanca (IBSAL-CIETUS), Salamanca, Spain
| | - Julio López-Abán
- Infectious and Tropical Diseases Research Group (e-INTRO), Biomedical Research Institute of Salamanca Research Centre for Tropical Diseases at the University of Salamanca (IBSAL-CIETUS), Salamanca, Spain
| | - Belén Vicente
- Infectious and Tropical Diseases Research Group (e-INTRO), Biomedical Research Institute of Salamanca Research Centre for Tropical Diseases at the University of Salamanca (IBSAL-CIETUS), Salamanca, Spain
| | - Rafael Peláez
- Organic and Pharmaceutical Chemistry Department, Biomedical Research Institute of Salamanca Research Centre for Tropical Diseases at the University of Salamanca (IBSAL-CIETUS), Salamanca, Spain
| | - Antonio Muro
- Infectious and Tropical Diseases Research Group (e-INTRO), Biomedical Research Institute of Salamanca Research Centre for Tropical Diseases at the University of Salamanca (IBSAL-CIETUS), Salamanca, Spain
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Pavani TFA, Cirino ME, Teixeira TR, de Moraes J, Rando DGG. Targeting the Schistosoma mansoni nutritional mechanisms to design new antischistosomal compounds. Sci Rep 2023; 13:19735. [PMID: 37957227 PMCID: PMC10643403 DOI: 10.1038/s41598-023-46959-3] [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: 09/27/2023] [Accepted: 11/07/2023] [Indexed: 11/15/2023] Open
Abstract
The chemical classes of semicarbazones, thiosemicarbazones, and hydrazones are present in various compounds, each demonstrating diverse biological activities. Extensive studies have revealed their potential as schistosomicidal agents. Thiosemicarbazones, in particular, have shown inhibitory effects on Schistosoma mansoni's cathepsin B1 enzyme (SmCB1), which plays a crucial role in hemoglobin degradation within the worm's gut and its nutrition processes. Consequently, SmCB1 has emerged as a promising target for novel schistosomiasis therapies. Moreover, chloroquinoline exhibits characteristics in its aromatic structure that hold promise for developing SmCB1 inhibitors, along with its interaction with hemoglobin's heme group, potentially synergizing against the parasite's gut. In this context, we report the synthesis of 22 hybrid analogs combining hydrazones and quinolines, evaluated against S. mansoni. Five of these hybrids demonstrated schistosomicidal activity in vitro, with GPQF-8Q10 being the most effective, causing worm mortality within 24 h at a concentration of 25 µM. GPQF-8Q8 proved to be the most promising in vivo, significantly reducing egg presence in feces (by 52.8%) and immature eggs in intestines (by 45.8%). These compounds exhibited low cytotoxicity in Vero cells and an in in vivo animal model (Caenorhabditis elegans), indicating a favorable selectivity index. This suggests their potential for the development of new schistosomiasis therapies. Further studies are needed to uncover specific target mechanisms, but these findings offer a promising starting point.
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Affiliation(s)
- Thaís F A Pavani
- Grupo de Pesquisas Químico-Farmacêuticas, GPQFfesp, Departamento de Ciências Farmacêuticas, Instituto de Ciências Ambientais, Químicas e Farmacêuticas, Universidade Federal de São Paulo (UNIFESP), Rua São Nicolau, 210, 2° Andar, Centro, Diadema, São Paulo, 09913-030, Brazil
- Instituto de Ciências Ambientais, Químicas e Farmacêuticas, Curso de Pós-Graduação em Biologia Química da Universidade Federal de São Paulo, Diadema, SP, Brazil
| | - Maria E Cirino
- Núcleo de Pesquisas em Doenças Negligenciadas, NPDN, Universidade Guarulhos, Guarulhos, SP, Brazil
| | - Thainá R Teixeira
- Núcleo de Pesquisas em Doenças Negligenciadas, NPDN, Universidade Guarulhos, Guarulhos, SP, Brazil
| | - Josué de Moraes
- Núcleo de Pesquisas em Doenças Negligenciadas, NPDN, Universidade Guarulhos, Guarulhos, SP, Brazil
| | - Daniela G G Rando
- Grupo de Pesquisas Químico-Farmacêuticas, GPQFfesp, Departamento de Ciências Farmacêuticas, Instituto de Ciências Ambientais, Químicas e Farmacêuticas, Universidade Federal de São Paulo (UNIFESP), Rua São Nicolau, 210, 2° Andar, Centro, Diadema, São Paulo, 09913-030, Brazil.
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Moreira-Filho JT, Neves BJ, Cajas RA, Moraes JD, Andrade CH. Artificial intelligence-guided approach for efficient virtual screening of hits against Schistosoma mansoni. Future Med Chem 2023; 15:2033-2050. [PMID: 37937522 DOI: 10.4155/fmc-2023-0152] [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: 05/25/2023] [Accepted: 10/06/2023] [Indexed: 11/09/2023] Open
Abstract
Background: The impact of schistosomiasis, which affects over 230 million people, emphasizes the urgency of developing new antischistosomal drugs. Artificial intelligence is vital in accelerating the drug discovery process. Methodology & results: We developed classification and regression machine learning models to predict the schistosomicidal activity of compounds not experimentally tested. The prioritized compounds were tested on schistosomula and adult stages of Schistosoma mansoni. Four compounds demonstrated significant activity against schistosomula, with 50% effective concentration values ranging from 9.8 to 32.5 μM, while exhibiting no toxicity in animal and human cell lines. Conclusion: These findings represent a significant step forward in the discovery of antischistosomal drugs. Further optimization of these active compounds can pave the way for their progression into preclinical studies.
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Affiliation(s)
- José Teófilo Moreira-Filho
- Laboratory of Molecular Modeling and Drug Design (LabMol), Faculdade de Farmácia, Universidade Federal de Goiás, Goiânia, 74605-170, Brazil
| | - Bruno Junior Neves
- Laboratory of Molecular Modeling and Drug Design (LabMol), Faculdade de Farmácia, Universidade Federal de Goiás, Goiânia, 74605-170, Brazil
| | - Rayssa Araujo Cajas
- Research Center on Neglected Diseases (NPDN), Universidade Guarulhos, Guarulhos, 07023-070, Brazil
| | - Josué de Moraes
- Research Center on Neglected Diseases (NPDN), Universidade Guarulhos, Guarulhos, 07023-070, Brazil
| | - Carolina Horta Andrade
- Laboratory of Molecular Modeling and Drug Design (LabMol), Faculdade de Farmácia, Universidade Federal de Goiás, Goiânia, 74605-170, Brazil
- Center for the Research and Advancement in Fragments and molecular Targets (CRAFT), School of Pharmaceutical Sciences at Ribeirao Preto, University of São Paulo, Ribeirão Preto, SP, Brazil
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Galceran F, Digirolamo FA, Rengifo M, Reigada C, Saye M, Maciel BJ, Estecho IG, Errasti AE, Pereira CA, Miranda MR. Identifying inhibitors of Trypanosoma cruzi nucleoside diphosphate kinase 1 as potential repurposed drugs for Chagas' disease. Biochem Pharmacol 2023; 216:115766. [PMID: 37634596 DOI: 10.1016/j.bcp.2023.115766] [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: 05/30/2023] [Revised: 08/22/2023] [Accepted: 08/22/2023] [Indexed: 08/29/2023]
Abstract
Trypanosoma cruzi is the causative agent of Chagas' disease, an endemic and neglected disease. The treatment is limited to only two drugs, benznidazole (BZL) and nifurtimox (NFX), introduced more than fifty years ago and no new advances have been made since then. Nucleoside diphosphate kinases (NDPK) are key metabolic enzymes which have gained interest as drug targets of pathogen organisms. Taking advantage of the computer-assisted drug repurposing approaches, in the present work we initiate a search of potential T. cruzi nucleoside diphosphate kinase 1 (TcNDPK1) inhibitors over an ∼ 12,000 compound structures database to find drugs targeted to this enzyme with trypanocidal activity. Four medicines were selected and evaluated in vitro, ketorolac (KET, an anti-inflamatory), dutasteride (DUT, used to treat benign prostatic hyperplasia), nebivolol and telmisartan (NEB and TEL, used to treat high blood pressure). The four compounds were weak inhibitors and presented different trypanocidal effect on epimastigotes, trypomastigotes and intracellular stages. NEB and TEL were the most active drugs with increased effect on intracellular stages, (IC50 = 2.25 µM and 13.21 µM respectively), and selectivity indexes of 13.01 and 8.59 respectively, showing comparable effect to BZL, the first line drug for Chagas' disease treatment. In addition, both presented positive interactions when combined with BZL. Finally, transgenic epimastigotes with increased expression of TcNDPK1 were more resistant to TEL and NEB, suggesting that TcNDPK1 is at least one of the molecular targets. In view of the results, NEB and TEL could be repurposed medicines for Chagas' disease therapy.
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Affiliation(s)
- Facundo Galceran
- Universidad de Buenos Aires, Facultad de Medicina, Instituto de Investigaciones Médicas A. Lanari, Buenos Aires, Argentina; Consejo Nacional de Investigaciones Científicas y Técnicas, Universidad de Buenos Aires, Instituto de Investigaciones Médicas (IDIM), Laboratorio de Parasitología Molecular, Buenos Aires, Argentina
| | - Fabio A Digirolamo
- Universidad de Buenos Aires, Facultad de Medicina, Instituto de Investigaciones Médicas A. Lanari, Buenos Aires, Argentina; Consejo Nacional de Investigaciones Científicas y Técnicas, Universidad de Buenos Aires, Instituto de Investigaciones Médicas (IDIM), Laboratorio de Parasitología Molecular, Buenos Aires, Argentina
| | - Marcos Rengifo
- Universidad de Buenos Aires, Facultad de Medicina, Instituto de Investigaciones Médicas A. Lanari, Buenos Aires, Argentina; Consejo Nacional de Investigaciones Científicas y Técnicas, Universidad de Buenos Aires, Instituto de Investigaciones Médicas (IDIM), Laboratorio de Parasitología Molecular, Buenos Aires, Argentina
| | - Chantal Reigada
- Universidad de Buenos Aires, Facultad de Medicina, Instituto de Investigaciones Médicas A. Lanari, Buenos Aires, Argentina; Consejo Nacional de Investigaciones Científicas y Técnicas, Universidad de Buenos Aires, Instituto de Investigaciones Médicas (IDIM), Laboratorio de Parasitología Molecular, Buenos Aires, Argentina
| | - Melisa Saye
- Universidad de Buenos Aires, Facultad de Medicina, Instituto de Investigaciones Médicas A. Lanari, Buenos Aires, Argentina; Consejo Nacional de Investigaciones Científicas y Técnicas, Universidad de Buenos Aires, Instituto de Investigaciones Médicas (IDIM), Laboratorio de Parasitología Molecular, Buenos Aires, Argentina
| | - Belen J Maciel
- Universidad de Buenos Aires, Facultad de Medicina, Instituto de Investigaciones Médicas A. Lanari, Buenos Aires, Argentina; Consejo Nacional de Investigaciones Científicas y Técnicas, Universidad de Buenos Aires, Instituto de Investigaciones Médicas (IDIM), Laboratorio de Parasitología Molecular, Buenos Aires, Argentina
| | - Ivana G Estecho
- Instituto de Farmacología, Facultad de Medicina, Universidad de Buenos Aires, Buenos Aires, Argentina
| | - Andrea E Errasti
- Instituto de Farmacología, Facultad de Medicina, Universidad de Buenos Aires, Buenos Aires, Argentina; Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Buenos Aires, Argentina
| | - Claudio A Pereira
- Universidad de Buenos Aires, Facultad de Medicina, Instituto de Investigaciones Médicas A. Lanari, Buenos Aires, Argentina; Consejo Nacional de Investigaciones Científicas y Técnicas, Universidad de Buenos Aires, Instituto de Investigaciones Médicas (IDIM), Laboratorio de Parasitología Molecular, Buenos Aires, Argentina
| | - Mariana R Miranda
- Universidad de Buenos Aires, Facultad de Medicina, Instituto de Investigaciones Médicas A. Lanari, Buenos Aires, Argentina; Consejo Nacional de Investigaciones Científicas y Técnicas, Universidad de Buenos Aires, Instituto de Investigaciones Médicas (IDIM), Laboratorio de Parasitología Molecular, Buenos Aires, Argentina.
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Roquini V, Mengarda AC, Cajas RA, Martins-da-Silva MF, Godoy-Silva J, Santos GA, Espírito-Santo MCC, Pavani TFA, Melo VA, Salvadori MC, Teixeira FS, Rando DGG, de Moraes J. The Existing Drug Nifuroxazide as an Antischistosomal Agent: In Vitro, In Vivo, and In Silico Studies of Macromolecular Targets. Microbiol Spectr 2023; 11:e0139323. [PMID: 37409934 PMCID: PMC10434008 DOI: 10.1128/spectrum.01393-23] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2023] [Accepted: 06/15/2023] [Indexed: 07/07/2023] Open
Abstract
Schistosomiasis is a parasitic disease that afflicts approximately 250 million people worldwide. There is an urgent demand for new antiparasitic agents because praziquantel, the only drug available for the treatment of schistosomiasis, is not universally effective and may derail current progress toward the WHO goal of eliminating this disease as a public health problem by 2030. Nifuroxazide (NFZ), an oral nitrofuran antibiotic, has recently been explored to be repurposed for parasitic diseases. Here, in vitro, in vivo, and in silico studies were conducted to evaluate the activity of NFZ on Schistosoma mansoni. The in vitro study showed significant antiparasitic activity, with 50% effective concentration (EC50) and 90% effective concentration (EC90) values of 8.2 to 10.8 and 13.7 to 19.3 μM, respectively. NFZ also affected worm pairing and egg production and induced severe damage to the tegument of schistosomes. In vivo, a single oral dose of NFZ (400 mg/kg of body weight) to mice harboring either prepatent or patent S. mansoni infection significantly reduced the total worm burden (~40%). In patent infection, NFZ achieved a high reduction in the number of eggs (~80%), but the drug caused a low reduction in the egg burden of animals with prepatent infection. Finally, results from in silico target fishing methods predicted that serine/threonine kinases could be one of the potential targets for NFZ in S. mansoni. Overall, the present study revealed that NFZ possesses antischistosomal properties, mainly in terms of egg burden reduction in animals with patent S. mansoni infection. IMPORTANCE The increasing recognition of the burden imposed by helminthiasis, associated with the limited therapeutic arsenal, has led to initiatives and strategies to research and develop new drugs for the treatment of schistosomiasis. One of these strategies is drug repurposing, which considers low-risk compounds with potentially reduced costs and shorter time for development. In this study, nifuroxazide (NFZ) was evaluated for its anti-Schistosoma mansoni potential through in vitro, in vivo, and in silico studies. In vitro, NFZ affected worm pairing and egg production and induced severe damage to the tegument of schistosomes. In vivo, a single oral dose of NFZ (400 mg/kg) to mice harboring either prepatent or patent S. mansoni infection significantly reduced the total worm burden and egg production. In silico investigations have identified serine/threonine kinases as a molecular target for NFZ. Collectively, these results implied that NFZ might be a potential therapeutic candidate for the treatment of schistosomiasis.
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Affiliation(s)
- Vinícius Roquini
- Research Center on Neglected Diseases, Guarulhos University, Guarulhos, São Paulo, Brazil
| | - Ana C. Mengarda
- Research Center on Neglected Diseases, Guarulhos University, Guarulhos, São Paulo, Brazil
| | - Rayssa A. Cajas
- Research Center on Neglected Diseases, Guarulhos University, Guarulhos, São Paulo, Brazil
| | | | - Julia Godoy-Silva
- Research Center on Neglected Diseases, Guarulhos University, Guarulhos, São Paulo, Brazil
| | - Gustavo A. Santos
- Research Center on Neglected Diseases, Guarulhos University, Guarulhos, São Paulo, Brazil
| | - Maria Cristina C. Espírito-Santo
- Laboratory of Immunopathology of Schistosomiasis (LIM-06), Department of Infectious and Parasitic Diseases, Faculty of Medicine, University of São Paulo, São Paulo, São Paulo, Brazil
- Laboratory of Helminthology, Institute of Tropical Medicine, University of São Paulo, São Paulo, São Paulo, Brazil
| | - Thais F. A. Pavani
- Biological Chemistry Post-Graduate Course, Institute of Environmental, Chemical and Pharmaceutical Sciences, Federal University of São Paulo, Diadema, São Paulo, Brazil
| | - Vanusa A. Melo
- Biological Chemistry Post-Graduate Course, Institute of Environmental, Chemical and Pharmaceutical Sciences, Federal University of São Paulo, Diadema, São Paulo, Brazil
| | - Maria C. Salvadori
- Institute of Physics, University of São Paulo, São Paulo, São Paulo, Brazil
| | | | - Daniela G. G. Rando
- Chemico-Pharmaceutical Research Group, Institute of Environmental, Chemical and Pharmaceutical Sciences, Federal University of São Paulo, Diadema, São Paulo, Brazil
| | - Josué de Moraes
- Research Center on Neglected Diseases, Guarulhos University, Guarulhos, São Paulo, Brazil
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9
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de Souza RL, Mengarda AC, Roquini DB, Melo CO, de Morais MC, C Espírito-Santo MC, de Sousa DP, Moraes JD, Oliveira EE. Enhancing the antischistosomal activity of carvacryl acetate using nanoemulsion. Nanomedicine (Lond) 2023; 18:331-342. [PMID: 37140262 DOI: 10.2217/nnm-2022-0228] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/05/2023] Open
Abstract
Aim: To formulate a carvacryl acetate nanoemulsion (CANE) and test its antischistosomal activity. Materials & methods: CANE was prepared and tested in vitro on Schistosoma mansoni adult worms and both human and animal cell lines. Next, CANE was administered orally to mice infected with either a prepatent infection or a patent infection of S. mansoni. Results: CANE was stable during 90 days of analysis. CANE showed in vitro anthelmintic activity, and no cytotoxic effects were observed. In vivo, CANE was more effective than the free compounds in reducing worm burden and egg production. Treatment with CANE was more effective for prepatent infections than praziquantel. Conclusion: CANE improves antiparasitic properties and may be a promising delivery system for schistosomiasis treatment.
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Affiliation(s)
- Rafael L de Souza
- Laboratory of Synthesis & Drug Delivery, State University of Paraíba, João Pessoa, 58071-160, Brazil
| | - Ana C Mengarda
- Research Center for Neglected Diseases, Guarulhos University, Guarulhos, 07023-070, Brazil
| | - Daniel B Roquini
- Research Center for Neglected Diseases, Guarulhos University, Guarulhos, 07023-070, Brazil
| | - Camila O Melo
- Laboratory of Synthesis & Drug Delivery, State University of Paraíba, João Pessoa, 58071-160, Brazil
| | - Mayara C de Morais
- Department of Pharmaceutical Sciences, Federal University of Paraíba, João Pessoa, 58051-900, Brazil
| | - Maria Cristina C Espírito-Santo
- Laboratory of Immunopathology of Schistosomiasis (LIM-06), Department of Infectious & Parasitic Diseases, Faculty of Medicine, University of São Paulo, São Paulo, 01246903, Brazil
- Laboratory of Helminthology, Institute of Tropical Medicine, University of São Paulo, São Paulo, 05403-000, Brazil
| | - Damião P de Sousa
- Department of Pharmaceutical Sciences, Federal University of Paraíba, João Pessoa, 58051-900, Brazil
| | - Josué de Moraes
- Research Center for Neglected Diseases, Guarulhos University, Guarulhos, 07023-070, Brazil
| | - Elquio E Oliveira
- Laboratory of Synthesis & Drug Delivery, State University of Paraíba, João Pessoa, 58071-160, Brazil
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Abd El Hady WE, El-Emam GA, Saleh NE, Hamouda MM, Motawea A. The Idiosyncratic Efficacy of Spironolactone-Loaded PLGA Nanoparticles Against Murine Intestinal Schistosomiasis. Int J Nanomedicine 2023; 18:987-1005. [PMID: 36860210 PMCID: PMC9968784 DOI: 10.2147/ijn.s389449] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2022] [Accepted: 02/05/2023] [Indexed: 02/24/2023] Open
Abstract
Background Schistosomiasis is a chronic debilitating parasitic disease accompanied with severe mortality rates. Although praziquantel (PZQ) acts as the sole drug for the management of this disease, it has many limitations that restrict the use of this treatment approach. Repurposing of spironolactone (SPL) and nanomedicine represents a promising approach to improve anti-schistosomal therapy. We have developed SPL-loaded poly(lactic-co-glycolic acid) (PLGA) nanoparticles (NPs) to enhance the solubility, efficacy, and drug delivery and hence decrease the frequency of administration, which is of great clinical value. Methods The physico-chemical assessment was performed starting with particle size analysis and confirmed using TEM, FT-IR, DSC, and XRD. The antischistosomal effect of the SPL-loaded PLGA NPs against Schistosoma mansoni (S. mansoni)-induced infection in mice was also estimated. Results Our results manifested that the optimized prepared NPs had particle size of 238.00 ± 7.21 nm, and the zeta potential was -19.66 ± 0.98 nm, effective encapsulation 90.43±8.81%. Other physico-chemical features emphasized that nanoparticles were completely encapsulated inside the polymer matrix. The in vitro dissolution studies revealed that SPL-loaded PLGA NPs showed sustained biphasic release pattern and followed Korsmeyer-Peppas kinetics corresponding to Fickian diffusion (n<0.45). The used regimen was efficient against S. mansoni infection and induced significant reduction in spleen, liver indices, and total worm count (ρ<0.05). Besides, when targeting the adult stages, it induced decline in the hepatic egg load and the small intestinal egg load by 57.75% and 54.17%, respectively, when compared to the control group. SPL-loaded PLGA NPs caused extensive damage to adult worms on tegument and suckers, leading to the death of the parasites in less time, plus marked improvement in liver pathology. Conclusion Collectively, these findings provided proof-of-evidence that the developed SPL-loaded PLGA NPs could be potentially used as a promising candidate for new antischistosomal drug development.
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Affiliation(s)
| | - Ghada Ahmed El-Emam
- Department of Pharmaceutics, Faculty of Pharmacy, Mansoura University, Mansoura, Egypt
| | - Nora E Saleh
- Department of Medical Parasitology, Faculty of Medicine, Mansoura University, Mansoura, Egypt
| | - Marwa M Hamouda
- Department of Medical Parasitology, Faculty of Medicine, Mansoura University, Mansoura, Egypt
| | - Amira Motawea
- Department of Pharmaceutics, Faculty of Pharmacy, Mansoura University, Mansoura, Egypt,Correspondence: Amira Motawea, Email
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11
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Neolignans isolated from Saururus cernuus L. (Saururaceae) exhibit efficacy against Schistosoma mansoni. Sci Rep 2022; 12:19320. [PMID: 36369516 PMCID: PMC9652300 DOI: 10.1038/s41598-022-23110-2] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2022] [Accepted: 10/25/2022] [Indexed: 11/13/2022] Open
Abstract
Schistosomiasis, a parasitic disease caused by the blood fluke of the genus Schistosoma, affects over 230 million people, especially in developing countries. Despite the significant economic and public health consequences, only one drug is currently available for treatment of schistosomiasis, praziquantel. Thus, there is an urgent demand for new anthelmintic agents. Based on our continuous studies involving the chemical prospection of floristic biodiversity aiming to discover new bioactive compounds, this work reports the in vitro antiparasitic activity against Schistosoma mansoni adult worms of neolignans threo-austrobailignan-6 and verrucosin, both isolated from Saururus cernuus L. (Saururaceae). These neolignans showed a significant in vitro schistosomicidal activity, with EC50 values of 12.6-28.1 µM. Further analysis revealed a pronounced reduction in the number of S. mansoni eggs. Scanning electron microscopy analysis revealed morphological alterations when schistosomes were exposed to either threo-austrobailignan-6 or verrucosin. These relevant antischistosomal properties were accompanied by low cytotoxicity potential against the animal (Vero) and human (HaCaT) cell lines, resulting in a high selectivity index. Considering the promising chemical and biological properties of threo-austrobailignan-6 and verrucosin, this research should be of interest to those in the area of neglected diseases and in particular antischistosomal drug discovery.
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12
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Roquini DB, Silva GL, Ferreira LLG, Andricopulo AD, Wilairatana P, De Moraes J. Susceptibility of Angiostrongylus cantonensis Larvae to Anthelmintic Drugs. Front Pharmacol 2022; 13:901459. [PMID: 35800438 PMCID: PMC9255552 DOI: 10.3389/fphar.2022.901459] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2022] [Accepted: 05/31/2022] [Indexed: 01/07/2023] Open
Abstract
Human helminthiasis affects approximately one in five people in the world and disproportionally affects the poorest and most deprived communities. Human angiostrongyliasis, caused by nematode Angiostrongylus cantonensis, is a neglected emerging disease with escalating importance worldwide. Chemotherapy is the main control method for helminthiasis, but the therapeutic arsenal is limited. This study aimed to evaluate the antiparasitic and molecular properties of the major available anthelmintic drugs against A. cantonensis in vitro. The first-stage larvae (L1), isolated from feces of an A. cantonensis-infected rat, were exposed to a set of 12 anthelmintic drugs in vitro. The larvae were monitored, and the concentration- and time-dependent viability alterations were determined. From 12 anthelmintic drugs, six (ivermectin, salamectin, moxidectin, pyrantel pamoate, albendazole and levamisole) were identified to affect the viability of A. cantonensis. The macrocyclic lactones (ivermectin, salamectin, moxidectin) and the imidazothiazole levamisole, were the most effective drugs, with IC50 ranging from 2.2 to 2.9 µM and a rapid onset of action. Albendazole, the most widely used anthelmintic in humans, had a slower onset of action, but an IC50 of 11.3 µM was achieved within 24 h. Molecular properties studies suggest that a less lipophilic character and low molecular weight could be favorable for the biological activity of the non-macrocyclic molecules. Collectively, our study revealed that macrocyclic lactones, levamisole, pyrantel pamoate, and albendazole are important anthelmintic agents against A. cantonensis. The results of this in vitro study also suggest that A. cantonensis L1 may be a particularly sensitive and useful model for anthelmintic studies.
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Affiliation(s)
- Daniel B. Roquini
- Center for Neglected Diseases Research, Guarulhos University, Guarulhos, Brazil
| | - Gabriel L. Silva
- Center for Neglected Diseases Research, Guarulhos University, Guarulhos, Brazil
| | - Leonardo L. G. Ferreira
- Laboratory of Medicinal and Computational Chemistry, Center for Research and Innovation in Biodiversity and Drug Discovery, Physics Institute of Sao Carlos, University of São Paulo, São Carlos, Brazil
| | - Adriano D. Andricopulo
- Laboratory of Medicinal and Computational Chemistry, Center for Research and Innovation in Biodiversity and Drug Discovery, Physics Institute of Sao Carlos, University of São Paulo, São Carlos, Brazil
| | - Polrat Wilairatana
- Department of Clinical Tropical Medicine, Faculty of Tropical Medicine, Mahidol University, Bangkok, Thailand
- *Correspondence: Polrat Wilairatana, ; Josué De Moraes,
| | - Josué De Moraes
- Center for Neglected Diseases Research, Guarulhos University, Guarulhos, Brazil
- *Correspondence: Polrat Wilairatana, ; Josué De Moraes,
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13
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Xavier ES, de Souza RL, Rodrigues VC, Melo CO, Roquini DB, Lemes BL, Wilairatana P, Oliveira EE, de Moraes J. Therapeutic Efficacy of Carvacrol-Loaded Nanoemulsion in a Mouse Model of Schistosomiasis. Front Pharmacol 2022; 13:917363. [PMID: 35784725 PMCID: PMC9247328 DOI: 10.3389/fphar.2022.917363] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2022] [Accepted: 05/30/2022] [Indexed: 12/27/2022] Open
Abstract
Since praziquantel is the only drug available to treat schistosomiasis, a neglected parasitic disease that affects more than 240 million people worldwide, there is an urgent demand for new antischistosomal agents. Natural compound-loaded nanoparticles have recently emerged as a promising alternative for the treatment of schistosomiasis. Carvacrol is an antimicrobial monoterpene present in the essential oil extracted from several plants, especially oregano (Origanum vulgare). In this study, a carvacrol nanoemulsion (CVNE) was prepared, characterized, and administered orally (200 mg/kg) in a mouse infected with either immature (prepatent infection) or adult (patent infection) Schistosoma mansoni. For comparison, data obtained with an unloaded nanoemulsion (blank formulation), free carvacrol, and the drug of reference praziquantel are also presented. CVNE was more effective than free carvacrol in reducing the worm burden and egg production in both patent and prepatent infections. Favorably, CVNE had a high effect in terms of reducing the number of worms and eggs (85%–90%) compared with praziquantel (∼30%) in prepatent infection. In tandem, carvacrol-loaded nanoemulsion markedly improved antischistosomal activity, showing efficiency in reducing worm and egg burden, and thus it may be a promising delivery system for the treatment of schistosomiasis.
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Affiliation(s)
- Edilaine S. Xavier
- Research Center for Neglected Diseases, Guarulhos University, Guarulhos, Brazil
| | - Rafael L. de Souza
- Laboratory of Synthesis and Drug Delivery, State University of Paraiba, João Pessoa, Brazil
| | | | - Camila O. Melo
- Laboratory of Synthesis and Drug Delivery, State University of Paraiba, João Pessoa, Brazil
| | - Daniel B. Roquini
- Research Center for Neglected Diseases, Guarulhos University, Guarulhos, Brazil
| | - Bruna L. Lemes
- Research Center for Neglected Diseases, Guarulhos University, Guarulhos, Brazil
| | - Polrat Wilairatana
- Department of Clinical Tropical Medicine, Faculty of Tropical Medicine, Mahidol University, Bangkok, Thailand
- *Correspondence: Polrat Wilairatana, ; Josué de Moraes,
| | - Elquio E. Oliveira
- Laboratory of Synthesis and Drug Delivery, State University of Paraiba, João Pessoa, Brazil
| | - Josué de Moraes
- Research Center for Neglected Diseases, Guarulhos University, Guarulhos, Brazil
- *Correspondence: Polrat Wilairatana, ; Josué de Moraes,
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Abstract
Drug repurposing is the use of a given therapeutic agent for indications other than that for which it was originally designed or intended. The concept is appealing because of potentially lower development costs and shorter timelines than are needed to produce a new drug. To date, drug repurposing for cardiovascular indications has been opportunistic and driven by knowledge of disease mechanisms or serendipitous observation rather than by systematic endeavours to match an existing drug to a new indication. Innovations in two areas of personalized medicine — computational approaches to associate drug effects with disease signatures and predictive model systems to screen drugs for disease-modifying activities — support efforts that together create an efficient pipeline to systematically repurpose drugs to treat cardiovascular disease. Furthermore, new experimental strategies that guide the medicinal chemistry re-engineering of drugs could improve repurposing efforts by tailoring a medicine to its new indication. In this Review, we summarize the historical approach to repurposing and discuss the technological advances that have created a new landscape of opportunities. Drugs can be repurposed for new therapeutic indications. In this Review, Mercola and colleagues summarize the latest techniques for systematic drug repurposing and re-engineering, which could increase the pace, efficiency and cost-effectiveness of drug discovery for the treatment of cardiovascular disease. Contemporary technologies are expected to make drug repurposing large-scale, systematic and deliberate rather than opportunistic. New experimental and computational tools harness patient genomics for drug repurposing. Discovery of repurposed drugs on the basis of patient genomics has implications for precision prescribing of medicines to treat individual patients. The treatment of rare, monogenic diseases, which often provide too little return on investment to incentivize conventional drug discovery, might benefit because the molecular aetiologies of these diseases are well suited to the discovery of drug repurposing candidates.
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15
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de Carvalho LSA, de Souza VC, Rodrigues VC, Ribeiro AC, Nascimento JWL, Capriles PVSZ, Pinto PDF, de Moraes J, da Silva Filho AA. Identification of Asiaticoside from Centella erecta (Apiaceae) as Potential Apyrase Inhibitor by UF-UHPLC-MS and Its In Vivo Antischistosomal Activity. Pharmaceutics 2022; 14:pharmaceutics14051071. [PMID: 35631657 PMCID: PMC9143675 DOI: 10.3390/pharmaceutics14051071] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2022] [Revised: 05/10/2022] [Accepted: 05/12/2022] [Indexed: 11/16/2022] Open
Abstract
Schistosomiasis, caused by parasites of the genus Schistosoma, is a neglected disease with high global prevalence, affecting more than 240 million people in several countries. Praziquantel (PZQ) is the only drug currently available for the treatment. S. mansoni NTPDases (known as SmNTPDases, ATP diphosphohydrolases or ecto-apyrases) are potential drug targets for the discovery of new antischistosomal drugs. In this study, we screen NTPDases inhibitors from Centella erecta (Apiaceae) using an ultrafiltration combined UHPLC-QTOF-MS method and potato apyrase, identifying asiaticoside as one of the apyrase-binding compounds. After isolation of asiaticoside from C. erecta extract, we assessed its in vivo antischistosomal activities against Schistosoma mansoni worms and its in vitro enzymatic apyrase inhibition. Also, molecular docking analysis of asiaticoside against potato apyrase, S. mansoni NTPDases 1 and 2 were performed. Asiaticoside showed a significant in vitro apyrase inhibition and molecular docking studies corroborate with its possible actions in potato apyrase and S. mansoni NTPDases. In mice harboring a patent S. mansoni infection, a single oral dose of asiaticoside (400 mg/kg. p.o.) showed significantly in vivo antischistosomal efficacy, markedly decreasing the total worm load and egg burden, giving support for further exploration of apyrase inhibitors as antischistosomal agents.
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Affiliation(s)
- Lara Soares Aleixo de Carvalho
- Faculdade de Farmácia, Departamento de Ciências Farmacêuticas, Universidade Federal de Juiz de Fora, R. José Lourenço Kelmer s/n, Campus Universitário, Juiz de Fora 36036-900, MG, Brazil;
| | - Vinícius Carius de Souza
- Programa de Pós-Graduação em Modelagem Computacional, Departamento de Ciência da Computação, Instituto de Ciências Exatas, Universidade Federal de Juiz de Fora, Juiz de Fora 36036-900, MG, Brazil; (V.C.d.S.); (P.V.S.Z.C.)
| | - Vinícius C. Rodrigues
- Núcleo de Pesquisa em Doenças Negligenciadas, Universidade Guarulhos, Guarulhos 07023-070, SP, Brazil; (V.C.R.); (J.d.M.)
| | - Aline Correa Ribeiro
- Instituto de Ciências Biológicas, Universidade Federal de Juiz de Fora, Juiz de Fora 36036-900, MG, Brazil; (A.C.R.); (J.W.L.N.); (P.d.F.P.)
| | - Jorge Willian Leandro Nascimento
- Instituto de Ciências Biológicas, Universidade Federal de Juiz de Fora, Juiz de Fora 36036-900, MG, Brazil; (A.C.R.); (J.W.L.N.); (P.d.F.P.)
| | - Priscila V. S. Z. Capriles
- Programa de Pós-Graduação em Modelagem Computacional, Departamento de Ciência da Computação, Instituto de Ciências Exatas, Universidade Federal de Juiz de Fora, Juiz de Fora 36036-900, MG, Brazil; (V.C.d.S.); (P.V.S.Z.C.)
| | - Priscila de F. Pinto
- Instituto de Ciências Biológicas, Universidade Federal de Juiz de Fora, Juiz de Fora 36036-900, MG, Brazil; (A.C.R.); (J.W.L.N.); (P.d.F.P.)
| | - Josué de Moraes
- Núcleo de Pesquisa em Doenças Negligenciadas, Universidade Guarulhos, Guarulhos 07023-070, SP, Brazil; (V.C.R.); (J.d.M.)
| | - Ademar Alves da Silva Filho
- Faculdade de Farmácia, Departamento de Ciências Farmacêuticas, Universidade Federal de Juiz de Fora, R. José Lourenço Kelmer s/n, Campus Universitário, Juiz de Fora 36036-900, MG, Brazil;
- Correspondence: ; Tel.: +55-32-21023893; Fax: +55-32-21023801
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16
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Huang CY, Nicholson MW, Wang JY, Ting CY, Tsai MH, Cheng YC, Liu CL, Chan DZH, Lee YC, Hsu CC, Hsu YH, Yang CF, Chang CMC, Ruan SC, Lin PJ, Lin JH, Chen LL, Hsieh ML, Cheng YY, Hsu WT, Lin YL, Chen CH, Hsu YH, Wu YT, Hacker TA, Wu JC, Kamp TJ, Hsieh PCH. Population-based high-throughput toxicity screen of human iPSC-derived cardiomyocytes and neurons. Cell Rep 2022; 39:110643. [PMID: 35385754 DOI: 10.1016/j.celrep.2022.110643] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2021] [Revised: 01/13/2022] [Accepted: 03/16/2022] [Indexed: 12/21/2022] Open
Abstract
In this study, we establish a population-based human induced pluripotent stem cell (hiPSC) drug screening platform for toxicity assessment. After recruiting 1,000 healthy donors and screening for high-frequency human leukocyte antigen (HLA) haplotypes, we identify 13 HLA-homozygous "super donors" to represent the population. These "super donors" are also expected to represent at least 477,611,135 of the global population. By differentiating these representative hiPSCs into cardiomyocytes and neurons we show their utility in a high-throughput toxicity screen. To validate hit compounds, we demonstrate dose-dependent toxicity of the hit compounds and assess functional modulation. We also show reproducible in vivo drug toxicity results using mouse models with select hit compounds. This study shows the feasibility of using a population-based hiPSC drug screening platform to assess cytotoxicity, which can be used as an innovative tool to study inter-population differences in drug toxicity and adverse drug reactions in drug discovery applications.
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Affiliation(s)
- Ching Ying Huang
- Institute of Biomedical Sciences, Academia Sinica, Taipei 115, Taiwan
| | | | - Jyun Yuan Wang
- Genomics Research Center, Academia Sinica, Taipei 115, Taiwan
| | - Chien Yu Ting
- Institute of Biomedical Sciences, Academia Sinica, Taipei 115, Taiwan
| | - Ming Heng Tsai
- Institute of Biomedical Sciences, Academia Sinica, Taipei 115, Taiwan
| | - Yu Che Cheng
- Institute of Biomedical Sciences, Academia Sinica, Taipei 115, Taiwan
| | - Chun Lin Liu
- Institute of Biomedical Sciences, Academia Sinica, Taipei 115, Taiwan
| | - Darien Z H Chan
- Institute of Biomedical Sciences, Academia Sinica, Taipei 115, Taiwan
| | - Yi Chan Lee
- Institute of Biomedical Sciences, Academia Sinica, Taipei 115, Taiwan
| | - Ching Chuan Hsu
- Institute of Biomedical Sciences, Academia Sinica, Taipei 115, Taiwan
| | - Yu Hung Hsu
- Institute of Biomedical Sciences, Academia Sinica, Taipei 115, Taiwan
| | - Chiou Fong Yang
- Institute of Applied Mechanics, National Taiwan University, Taipei 106, Taiwan
| | - Cindy M C Chang
- Cardiovascular Physiology Core Facility, Department of Medicine, University of Wisconsin-Madison, Madison, WI 53705, USA
| | - Shu Chian Ruan
- Institute of Biomedical Sciences, Academia Sinica, Taipei 115, Taiwan
| | - Po Ju Lin
- Institute of Biomedical Sciences, Academia Sinica, Taipei 115, Taiwan
| | - Jen Hao Lin
- Institute of Biomedical Sciences, Academia Sinica, Taipei 115, Taiwan
| | - Li Lun Chen
- Institute of Biomedical Sciences, Academia Sinica, Taipei 115, Taiwan
| | - Marvin L Hsieh
- Institute of Biomedical Sciences, Academia Sinica, Taipei 115, Taiwan; Cardiovascular Physiology Core Facility, Department of Medicine, University of Wisconsin-Madison, Madison, WI 53705, USA
| | - Yuan Yuan Cheng
- Institute of Biomedical Sciences, Academia Sinica, Taipei 115, Taiwan
| | - Wan Tseng Hsu
- School of Pharmacy, College of Medicine, National Taiwan University, Taipei 100, Taiwan
| | - Yi Ling Lin
- Institute of Biomedical Sciences, Academia Sinica, Taipei 115, Taiwan
| | - Chien Hsiun Chen
- Institute of Biomedical Sciences, Academia Sinica, Taipei 115, Taiwan
| | - Yu Hsiang Hsu
- Institute of Applied Mechanics, National Taiwan University, Taipei 106, Taiwan
| | - Ying Ta Wu
- Genomics Research Center, Academia Sinica, Taipei 115, Taiwan
| | - Timothy A Hacker
- Cardiovascular Physiology Core Facility, Department of Medicine, University of Wisconsin-Madison, Madison, WI 53705, USA
| | - Joseph C Wu
- Stanford Cardiovascular Institute, Stanford University School of Medicine, Stanford, CA 94305, USA
| | - Timothy J Kamp
- Department of Medicine and Stem Cell and Regenerative Medicine Center, University of Wisconsin-Madison, Madison, WI 53705, USA
| | - Patrick C H Hsieh
- Institute of Biomedical Sciences, Academia Sinica, Taipei 115, Taiwan; Department of Medicine and Stem Cell and Regenerative Medicine Center, University of Wisconsin-Madison, Madison, WI 53705, USA; Institute of Medical Genomics and Proteomics and Institute of Clinical Medicine, National Taiwan University, Taipei 106, Taiwan.
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17
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Approaches to advance drug discovery for neglected tropical diseases. Drug Discov Today 2022; 27:2278-2287. [DOI: 10.1016/j.drudis.2022.04.004] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2021] [Revised: 02/21/2022] [Accepted: 04/02/2022] [Indexed: 12/19/2022]
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Mengarda AC, Iles B, F Longo JP, de Moraes J. Recent trends in praziquantel nanoformulations for helminthiasis treatment. Expert Opin Drug Deliv 2022; 19:383-393. [PMID: 35264036 DOI: 10.1080/17425247.2022.2051477] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
INTRODUCTION Infections caused by parasitic flatworms impose a considerable worldwide health burden. Recently, World Health Organization launched its roadmap for neglected diseases for the period 2021 to 2030 and oral treatment with praziquantel (PZQ) in tablet form is the main drug therapy for combating these diseases, but its use is limited by many drawbacks, including the high therapeutic dose due to the drug's low solubility and bioavailability. Among the strategies to improve PZQ performance, the use of drug nanocarriers has been cited as an interesting approach to overcome these pharmacological issues. AREAS COVERED This review focuses on the various types of nanomaterials (polymeric, lipidic, inorganic nanoparticles, and nanocrystals) which have been recently used to improve PZQ therapy. In addition, recent advances in PZQ nanoformulations, developed to overcome the barriers of the conventional drug are described. EXPERT OPINION Considering the poor rate of discovery in the anthelmintic segment observed in recent decades, the effective management of existing drugs has become essential. The application of new strategies based on nanotechnology can extend the useful life of PZQ in new and more effective formulations. Pharmaceutical nanotechnology can solve the pharmacokinetic challenges characteristic of PZQ and improve its solubility and bioavailability.
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Affiliation(s)
- Ana C Mengarda
- Research Center for Neglected Diseases, Guarulhos University, Guarulhos, SP, Brazil
| | - Bruno Iles
- Department of Genetics and Morphology, Institute of Biological Sciences, University of Brasília, Brasília, DF, Brazil
| | - João Paulo F Longo
- Department of Genetics and Morphology, Institute of Biological Sciences, University of Brasília, Brasília, DF, Brazil
| | - Josué de Moraes
- Research Center for Neglected Diseases, Guarulhos University, Guarulhos, SP, Brazil
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Morais CS, Mengarda AC, Miguel FB, Enes KB, Rodrigues VC, Espírito-Santo MCC, Siyadatpanah A, Wilairatana P, Couri MRC, de Moraes J. Pyrazoline derivatives as promising novel antischistosomal agents. Sci Rep 2021; 11:23437. [PMID: 34873205 PMCID: PMC8648852 DOI: 10.1038/s41598-021-02792-0] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2021] [Accepted: 11/17/2021] [Indexed: 11/19/2022] Open
Abstract
Praziquantel is the only available drug to treat schistosomiasis, a parasitic disease that currently infects more than 240 million people globally. Due to increasing concerns about resistance and inadequate efficacy there is a need for new therapeutics. In this study, a series of 17 pyrazolines (15–31) and three pyrazoles (32–34) were synthesized and evaluated for their antiparasitic properties against ex vivo adult Schistosoma mansoni worms. Of the 20 compounds tested, six had a 50% effective concentration (EC50) below 30 μM. Our best hit, pyrazoline 22, showed promising activity against adult schistosomes, with an EC50 < 10 µM. Additionally, compound 22 had low cytotoxicity, with selectivity index of 21.6 and 32.2 for monkey and human cell lines, respectively. All active pyrazolines demonstrated a negative effect on schistosome fecundity, with a marked reduction in the number of eggs. Structure–activity relationship analysis showed that the presence of the non-aromatic heterocycle and N-substitution are fundamental to the antischistosomal properties. Pharmacokinetics, drug-likeness and medicinal chemistry friendliness studies were performed, and predicted values demonstrated an excellent drug-likeness profile for pyrazolines as well as an adherence to major pharmaceutical companies’ filters. Collectively, this study demonstrates that pyrazoline derivatives are promising scaffolds in the discovery of novel antischistosomal agents.
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Affiliation(s)
- Cristiane S Morais
- Research Center for Neglected Diseases, Guarulhos University, Praça Tereza Cristina, 229, Centro, Guarulhos, SP, 07023-070, Brazil
| | - Ana C Mengarda
- Research Center for Neglected Diseases, Guarulhos University, Praça Tereza Cristina, 229, Centro, Guarulhos, SP, 07023-070, Brazil
| | - Fábio B Miguel
- Department of Chemistry, Federal University of Juiz de Fora, Juiz de Fora, MG, 36036-900, Brazil
| | - Karine B Enes
- Department of Chemistry, Federal University of Juiz de Fora, Juiz de Fora, MG, 36036-900, Brazil
| | - Vinícius C Rodrigues
- Research Center for Neglected Diseases, Guarulhos University, Praça Tereza Cristina, 229, Centro, Guarulhos, SP, 07023-070, Brazil
| | - Maria Cristina C Espírito-Santo
- Laboratory of Immunopathology of Schistosomiasis (LIM-06), Department of Infectious and Parasitic Diseases, Faculty of Medicine, University of São Paulo, São Paulo, SP, Brazil.,Laboratory of Helminthology, Institute of Tropical Medicine, University of São Paulo, São Paulo, SP, Brazil
| | - Abolghasem Siyadatpanah
- Ferdows School of Paramedical and Health, Birjand University of Medical Sciences, 9717853577, Birjand, Iran
| | - Polrat Wilairatana
- Department of Clinical Tropical Medicine, Faculty of Tropical Medicine, Mahidol University, Bangkok, 10400, Thailand.
| | - Mara R C Couri
- Department of Chemistry, Federal University of Juiz de Fora, Juiz de Fora, MG, 36036-900, Brazil.
| | - Josué de Moraes
- Research Center for Neglected Diseases, Guarulhos University, Praça Tereza Cristina, 229, Centro, Guarulhos, SP, 07023-070, Brazil.
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Silva BC, Mengarda AC, Rodrigues VC, Cajas RA, Carnaúba PU, Espírito-Santo MCC, Bezerra-Filho CSM, de Sousa DP, de Moraes J. Efficacy of carvacryl acetate in vitro and following oral administration to mice harboring either prepatent or patent Schistosoma mansoni infections. Parasitol Res 2021; 120:3837-3844. [PMID: 34604934 DOI: 10.1007/s00436-021-07333-2] [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: 08/03/2021] [Accepted: 09/24/2021] [Indexed: 10/20/2022]
Abstract
Schistosomiasis is a major public health problem that afflicts more than 240 million individuals globally, particularly in poor communities. Treatment of schistosomiasis relies heavily on a single oral drug, praziquantel, and there is interest in the search for new antischistosomal drugs. This study reports the anthelmintic evaluation of carvacryl acetate, a derivative of the terpene carvacrol, against Schistosoma mansoni ex vivo and in a schistosomiasis animal model harboring either adult (patent infection) or juvenile (prepatent infection) parasites. For comparison, data obtained with gold standard antischistosomal drug praziquantel are also presented. Initially in vitro effective concentrations of 50% (EC50) and 90% (EC90) were determined against larval and adult stages of S. mansoni. In an animal with patent infection, a single oral dose of carvacryl acetate (100, 200, or 400 mg/kg) caused a significant reduction in worm burden (30-40%). S. mansoni egg production, a process responsible for both life cycle and pathogenesis, was also markedly reduced (70-80%). Similar to praziquantel, carvacryl acetate 400 mg/kg had low efficacy in pre-patent infection. In tandem, although carvacryl acetate had interesting in vitro schistosomicidal activity, the compound exhibited low efficacy in terms of reduction of worm load in S. mansoni-infected mice.
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Affiliation(s)
- Bianca C Silva
- Núcleo de Pesquisa Em Doenças Negligenciadas, Universidade Guarulhos, R. Eng. Prestes Maia, 88, Centro, Guarulhos, SP, 07023-070, Brazil
| | - Ana C Mengarda
- Núcleo de Pesquisa Em Doenças Negligenciadas, Universidade Guarulhos, R. Eng. Prestes Maia, 88, Centro, Guarulhos, SP, 07023-070, Brazil
| | - Vinícius C Rodrigues
- Núcleo de Pesquisa Em Doenças Negligenciadas, Universidade Guarulhos, R. Eng. Prestes Maia, 88, Centro, Guarulhos, SP, 07023-070, Brazil
| | - Rayssa A Cajas
- Núcleo de Pesquisa Em Doenças Negligenciadas, Universidade Guarulhos, R. Eng. Prestes Maia, 88, Centro, Guarulhos, SP, 07023-070, Brazil
| | - Paulo U Carnaúba
- Núcleo de Pesquisa Em Doenças Negligenciadas, Universidade Guarulhos, R. Eng. Prestes Maia, 88, Centro, Guarulhos, SP, 07023-070, Brazil
| | - Maria Cristina C Espírito-Santo
- Laboratório de Imunopatologia da Esquistossomose (LIM-06), Departamento de Moléstias Infecciosas E Parasitárias, Faculdade de Medicina, Universidade de São Paulo, São Paulo, SP, Brazil
- Laboratório de Helmintologia, Instituto de Medicina Tropical de São Paulo, Universidade de São Paulo, SP, São Paulo, Brazil
| | - Carlos S M Bezerra-Filho
- Departamento de Ciências Farmacêuticas, Universidade Federal da Paraíba, João Pessoa, PB, Brazil
| | - Damião P de Sousa
- Departamento de Ciências Farmacêuticas, Universidade Federal da Paraíba, João Pessoa, PB, Brazil
| | - Josué de Moraes
- Núcleo de Pesquisa Em Doenças Negligenciadas, Universidade Guarulhos, R. Eng. Prestes Maia, 88, Centro, Guarulhos, SP, 07023-070, Brazil.
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