1
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das Neves MA, do Nascimento JR, Maciel-Silva VL, Dos Santos AM, Junior JDJGV, Coelho AJS, Lima MIS, Pereira SRF, da Rocha CQ. Anti-Leishmania activity and molecular docking of unusual flavonoids-rich fraction from Arrabidaea brachypoda (Bignoniaceae). Mol Biochem Parasitol 2024; 259:111629. [PMID: 38750697 DOI: 10.1016/j.molbiopara.2024.111629] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2023] [Revised: 04/30/2024] [Accepted: 05/09/2024] [Indexed: 05/20/2024]
Abstract
Leishmaniases comprise a group of infectious parasitic diseases caused by various species of Leishmania and are considered a significant public health problem worldwide. Only a few medications, including miltefosine, amphotericin B, and meglumine antimonate, are used in current therapy. These medications are associated with severe side effects, low efficacy, high cost, and the need for hospital support. Additionally, there have been occurrences of drug resistance. Additionally, only a limited number of drugs, such as meglumine antimonate, amphotericin B, and miltefosine, are available, all of which are associated with severe side effects. In this context, the need for new effective drugs with fewer adverse effects is evident. Therefore, this study investigated the anti-Leishmania activity of a dichloromethane fraction (DCMF) extracted from Arrabidaea brachypoda roots. This fraction inhibited the viability of L. infantum, L. braziliensis, and L. Mexicana promastigotes, with IC50 values of 10.13, 11.44, and 11.16 µg/mL, respectively, and against L. infantum amastigotes (IC50 = 4.81 µg/mL). Moreover, the DCMF exhibited moderate cytotoxicity (CC50 = 25.15) towards RAW264.7 macrophages, with a selectivity index (SI) of 5.2. Notably, the DCMF caused damage to the macrophage genome only at 40 µg/mL, which is greater than the IC50 found for all Leishmania species. The results suggest that DCMF demonstrates similar antileishmanial effectiveness to isolated brachydin B, without causing genotoxic effects on mammalian cells. This finding is crucial because the isolation of the compounds relies on several steps and is very costly while obtaining the DCMF fraction is a simple and cost-effective process. Furthermore, In addition, the potential mechanisms of action of brachydins were also investigated. The computational analysis indicates that brachydin compounds bind to the Triosephosphate isomerase (TIM) enzyme via two main mechanisms: destabilizing the interface between the homodimers and interacting with catalytic residues situated at the site of binding. Based on all the results, DCMF exhibits promise as a therapeutic agent for leishmaniasis due to its significantly reduced toxicity in comparison to the adverse effects associated with current reference treatments.
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Affiliation(s)
- Monica A das Neves
- UFMA-Federal University of Maranhão, Center for Exact Sciences and Technology (CCET), Post Graduate Program in Chemistry, São Luís CEP 65080-805, Brazil
| | - Jessyane R do Nascimento
- UNESP, São Paulo State University Júlio de Mesquita Filho, Institute of Chemistry, Post Graduate Program in Chemistry, Araraquara CEP 14800-060, Brazil
| | - Vera Lucia Maciel-Silva
- UEMA, Maranhão State University, Center for Education, Exact and Natural Sciences (CECEN), Department of Biology, CEP: 65055-310, São Luís, Brazil
| | - Alberto M Dos Santos
- UNICAMP - University of Campinas, Institute of Chemistry and Center for Computer in Engineering and Sciences, Campinas CEP 13084-862, Brazil
| | | | - Ana Jessica S Coelho
- UFMA-Federal University of Maranhão, Laboratory of Genetics and Molecular Biology, Department of Biology, São Luís CEP 65080-805, Brazil
| | - Mayara Ingrid S Lima
- UFMA-Federal University of Maranhão, Laboratory of Genetics and Molecular Biology, Department of Biology, São Luís CEP 65080-805, Brazil
| | - Silma Regina F Pereira
- UFMA-Federal University of Maranhão, Laboratory of Genetics and Molecular Biology, Department of Biology, São Luís CEP 65080-805, Brazil
| | - Cláudia Q da Rocha
- UFMA-Federal University of Maranhão, Center for Exact Sciences and Technology (CCET), Post Graduate Program in Chemistry, São Luís CEP 65080-805, Brazil.
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2
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Yu J, Ramirez LM, Lin Q, Burz DS, Shekhtman A. Ribosome External Electric Field Regulates Metabolic Enzyme Activity: The RAMBO Effect. J Phys Chem B 2024; 128:7002-7021. [PMID: 39012038 DOI: 10.1021/acs.jpcb.4c00628] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/17/2024]
Abstract
Ribosomes bind to many metabolic enzymes and change their activity. A general mechanism for ribosome-mediated amplification of metabolic enzyme activity, RAMBO, was formulated and elucidated for the glycolytic enzyme triosephosphate isomerase, TPI. The RAMBO effect results from a ribosome-dependent electric field-substrate dipole interaction energy that can increase or decrease the ground state of the reactant and product to regulate catalytic rates. NMR spectroscopy was used to determine the interaction surface of TPI binding to ribosomes and to measure the corresponding kinetic rates in the absence and presence of intact ribosome particles. Chemical cross-linking and mass spectrometry revealed potential ribosomal protein binding partners of TPI. Structural results and related changes in TPI energetics and activity show that the interaction between TPI and ribosomal protein L11 mediate the RAMBO effect.
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Affiliation(s)
- Jianchao Yu
- Department of Chemistry, University at Albany, State University of New York, Albany, New York 12222, United States
| | - Lisa M Ramirez
- Department of Chemistry, University at Albany, State University of New York, Albany, New York 12222, United States
| | - Qishan Lin
- RNA Epitranscriptomics & Proteomics Resource, University at Albany, State University of New York, Albany, New York 12222, United States
| | - David S Burz
- Department of Chemistry, University at Albany, State University of New York, Albany, New York 12222, United States
| | - Alexander Shekhtman
- Department of Chemistry, University at Albany, State University of New York, Albany, New York 12222, United States
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3
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Jia K, Wang J, Jiang D, Zhao Q, Shen D, Zhang X, Qiu Z, Wang Y, Lu C, Xia D. Bombyx mori triose-phosphate transporter protein inhibits Bombyx mori nucleopolyhedrovirus infection by reducing the cell glycolysis pathway. Int J Biol Macromol 2024; 266:131197. [PMID: 38554913 DOI: 10.1016/j.ijbiomac.2024.131197] [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: 02/06/2024] [Revised: 03/14/2024] [Accepted: 03/26/2024] [Indexed: 04/02/2024]
Abstract
Bombyx mori triose-phosphate transporter protein (BmTPT) is a member of the solute carrier (SLC) family. Its main function is to transport triose phosphate between intracellular and extracellular. In this study, BmTPT was cloned and characterised from the fat body of the silkworm Bombyx mori, resulting in an open reading frame (ORF) with a full length of 936 bp, which can encode 311 amino acid residues and has eight transmembrane structural domains. BmTPT was distributed throughout the cell and deposited the most in the nucleus, and is expressed in all tissues of Bombyx mori. Bombyx mori nucleopolyhedrovirus (BmNPV) infection significantly up-regulated BmTPT expression in immune tissue fat bodies. In addition, overexpression of BmTPT significantly inhibited BmNPV infection and markedly reduced the expression of enzymes related to the cellular glycolytic pathway; on the contrary, down-regulation of BmTPT expression by RNA interference resulted in robust replication of BmNPV and a significant increase in the expression of enzymes related to the cellular glycolytic pathway. This is the first report that BmTPT has antiviral effect in silkworm, and also could result in a lack of energy and raw materials for BmNPV replication and infection through down-regulation of the cellular glycolytic pathway.
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Affiliation(s)
- Kaifang Jia
- Jiangsu Key Laboratory of Sericultural and Animal Biotechnology, School of Biotechnology, Jiangsu University of Science and Technology, Zhenjiang 212100, China; Key Laboratory of Silkworm and Mulberry Genetic Improvement, Ministry of Agriculture and Rural Affairs, Sericultural Scientific Research Center, Chinese Academy of Agricultural Sciences, Zhenjiang 212100, China
| | - Jinyang Wang
- Jiangsu Key Laboratory of Sericultural and Animal Biotechnology, School of Biotechnology, Jiangsu University of Science and Technology, Zhenjiang 212100, China; Key Laboratory of Silkworm and Mulberry Genetic Improvement, Ministry of Agriculture and Rural Affairs, Sericultural Scientific Research Center, Chinese Academy of Agricultural Sciences, Zhenjiang 212100, China
| | - Dan Jiang
- Jiangsu Key Laboratory of Sericultural and Animal Biotechnology, School of Biotechnology, Jiangsu University of Science and Technology, Zhenjiang 212100, China; Key Laboratory of Silkworm and Mulberry Genetic Improvement, Ministry of Agriculture and Rural Affairs, Sericultural Scientific Research Center, Chinese Academy of Agricultural Sciences, Zhenjiang 212100, China
| | - Qiaoling Zhao
- Jiangsu Key Laboratory of Sericultural and Animal Biotechnology, School of Biotechnology, Jiangsu University of Science and Technology, Zhenjiang 212100, China; Key Laboratory of Silkworm and Mulberry Genetic Improvement, Ministry of Agriculture and Rural Affairs, Sericultural Scientific Research Center, Chinese Academy of Agricultural Sciences, Zhenjiang 212100, China
| | - Dongxu Shen
- Jiangsu Key Laboratory of Sericultural and Animal Biotechnology, School of Biotechnology, Jiangsu University of Science and Technology, Zhenjiang 212100, China; Key Laboratory of Silkworm and Mulberry Genetic Improvement, Ministry of Agriculture and Rural Affairs, Sericultural Scientific Research Center, Chinese Academy of Agricultural Sciences, Zhenjiang 212100, China
| | - Xuelian Zhang
- Jiangsu Key Laboratory of Sericultural and Animal Biotechnology, School of Biotechnology, Jiangsu University of Science and Technology, Zhenjiang 212100, China; Key Laboratory of Silkworm and Mulberry Genetic Improvement, Ministry of Agriculture and Rural Affairs, Sericultural Scientific Research Center, Chinese Academy of Agricultural Sciences, Zhenjiang 212100, China
| | - Zhiyong Qiu
- Jiangsu Key Laboratory of Sericultural and Animal Biotechnology, School of Biotechnology, Jiangsu University of Science and Technology, Zhenjiang 212100, China; Key Laboratory of Silkworm and Mulberry Genetic Improvement, Ministry of Agriculture and Rural Affairs, Sericultural Scientific Research Center, Chinese Academy of Agricultural Sciences, Zhenjiang 212100, China
| | - Yin Wang
- Zhenjiang Agricultural Product Quality Inspection and Testing Center, Southwest University, Chongqing 400715, China
| | - Cheng Lu
- State Key Laboratory of Silkworm Genome Biology, Southwest University, Chongqing 400715, China; Key Laboratory of Sericultural Biology and Genetic Breeding, Ministry of Agriculture, Southwest University, Chongqing 400715, China
| | - Dingguo Xia
- Jiangsu Key Laboratory of Sericultural and Animal Biotechnology, School of Biotechnology, Jiangsu University of Science and Technology, Zhenjiang 212100, China; Key Laboratory of Silkworm and Mulberry Genetic Improvement, Ministry of Agriculture and Rural Affairs, Sericultural Scientific Research Center, Chinese Academy of Agricultural Sciences, Zhenjiang 212100, China.
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4
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Juretić D, Bonačić Lošić Ž. Theoretical Improvements in Enzyme Efficiency Associated with Noisy Rate Constants and Increased Dissipation. ENTROPY (BASEL, SWITZERLAND) 2024; 26:151. [PMID: 38392406 PMCID: PMC10888251 DOI: 10.3390/e26020151] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/30/2023] [Revised: 01/18/2024] [Accepted: 02/05/2024] [Indexed: 02/24/2024]
Abstract
Previous studies have revealed the extraordinarily large catalytic efficiency of some enzymes. High catalytic proficiency is an essential accomplishment of biological evolution. Natural selection led to the increased turnover number, kcat, and enzyme efficiency, kcat/KM, of uni-uni enzymes, which convert a single substrate into a single product. We added or multiplied random noise with chosen rate constants to explore the correlation between dissipation and catalytic efficiency for ten enzymes: beta-galactosidase, glucose isomerase, β-lactamases from three bacterial strains, ketosteroid isomerase, triosephosphate isomerase, and carbonic anhydrase I, II, and T200H. Our results highlight the role of biological evolution in accelerating thermodynamic evolution. The catalytic performance of these enzymes is proportional to overall entropy production-the main parameter from irreversible thermodynamics. That parameter is also proportional to the evolutionary distance of β-lactamases PC1, RTEM, and Lac-1 when natural or artificial evolution produces the optimal or maximal possible catalytic efficiency. De novo enzyme design and attempts to speed up the rate-limiting catalytic steps may profit from the described connection between kinetics and thermodynamics.
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Affiliation(s)
- Davor Juretić
- Mediterranean Institute for Life Sciences, Šetalište Ivana Meštrovića 45, 21000 Split, Croatia
- Faculty of Science, University of Split, Ruđera Boškovića 33, 21000 Split, Croatia
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5
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Juarez-Saldivar A, Gómez-Escobedo R, Corral-Ruiz G, Chacón-Vargas KF, Horta-Montaño V, Sanchez-Torres L, Vazquez-Jimenez LK, Nogueda-Torres B, Rivera G. Repositioning FDA-Approved Drug Against Chagas Disease and Cutaneous Leishmaniosis by Structure-Based Virtual Screening. Arch Med Res 2024; 55:102958. [PMID: 38290200 DOI: 10.1016/j.arcmed.2024.102958] [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: 08/15/2023] [Revised: 12/13/2023] [Accepted: 01/11/2024] [Indexed: 02/01/2024]
Abstract
BACKGROUND Chagas disease and cutaneous leishmaniasis, two parasitic diseases caused by Trypanosoma cruzi (T. cruzi) and Leishmania mexicana (L. mexicana), respectively, have a major global impact. Current pharmacological treatments for these diseases are limited and can cause severe side effects; thus, there is a need for new antiprotozoal drugs. METHODS Using molecular docking, this work describes a structure-based virtual screening of an FDA-approved drug library against Trypanosoma cruzi and Leishmania mexicana glycolytic enzyme triosephosphate isomerase (TIM), which is highly conserved in these parasites. The selected compounds with potential dual inhibitory activity were tested in vitro to confirm their biological activity. RESULTS The study showed that five compounds: nilotinib, chlorhexidine, protriptyline, cyproheptadine, and montelukast, were more active against T. cruzi, than the reference drugs, nifurtimox and benznidazole while chlorhexidine and protriptyline were the most active against L. mexicana. CONCLUSIONS The analysis of these compounds and their structural characteristics may provide the basis for the development of new antiprotozoal agents.
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Affiliation(s)
- Alfredo Juarez-Saldivar
- Laboratorio de Biotecnología Farmacéutica, Centro de Biotecnología Genómica, Instituto Politécnico Nacional, Reynosa, Tamaulipas, Mexico; Unidad Academica Multidisciplinaria Reynosa-Aztlan, Universidad Autonoma de Tamaulipas, Reynosa, Mexico
| | - Rogelio Gómez-Escobedo
- Parasitology Department, Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, Mexico City, Mexico
| | - Gerardo Corral-Ruiz
- Microorganism Inmunology Laboratory, Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, Mexico City, Mexico
| | - Karla Fabiola Chacón-Vargas
- Microorganism Inmunology Laboratory, Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, Mexico City, Mexico; Faculty of Chemical Sciences, Universidad Autónoma de Chihuahua, Chihuahua, Mexico
| | - Vanessa Horta-Montaño
- Parasitology Department, Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, Mexico City, Mexico; Microorganism Inmunology Laboratory, Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, Mexico City, Mexico
| | - Luvia Sanchez-Torres
- Microorganism Inmunology Laboratory, Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, Mexico City, Mexico
| | - Lenci K Vazquez-Jimenez
- Laboratorio de Biotecnología Farmacéutica, Centro de Biotecnología Genómica, Instituto Politécnico Nacional, Reynosa, Tamaulipas, Mexico
| | - Benjamín Nogueda-Torres
- Parasitology Department, Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, Mexico City, Mexico
| | - Gildardo Rivera
- Laboratorio de Biotecnología Farmacéutica, Centro de Biotecnología Genómica, Instituto Politécnico Nacional, Reynosa, Tamaulipas, Mexico.
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6
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González-González A, Vázquez C, Encalada R, Saavedra E, Vázquez-Jiménez LK, Ortiz-Pérez E, Bolognesi ML, Rivera G. Phenothiazine-based virtual screening, molecular docking, and molecular dynamics of new trypanothione reductase inhibitors of Trypanosoma cruzi. Mol Inform 2023; 42:e2300069. [PMID: 37490403 DOI: 10.1002/minf.202300069] [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: 03/21/2023] [Revised: 06/26/2023] [Accepted: 07/25/2023] [Indexed: 07/27/2023]
Abstract
Phenothiazine derivatives can unselectively inhibit the trypanothione-dependent antioxidant system enzyme trypanothione reductase (TR). A virtual screening of 2163 phenothiazine derivatives from the ZINC15 and PubChem databases docked on the active site of T. cruzi TR showed that 285 compounds have higher affinity than the natural ligand trypanothione disulfide. 244 compounds showed higher affinity toward the parasite's enzyme than to its human homolog glutathione reductase. Protein-ligand interaction profiling predicted that the main interactions for the top scored compounds were with residues important for trypanothione disulfide binding: Phe396, Pro398, Leu399, His461, Glu466, and Glu467, particularly His461, which participates in catalysis. Two compounds with the desired profiles, ZINC1033681 (Zn_C687) and ZINC10213096 (Zn_C216), decreased parasite growth by 20 % and 50 %, respectively. They behaved as mixed-type inhibitors of recombinant TR, with Ki values of 59 and 47 μM, respectively. This study provides a further understanding of the potential of phenothiazine derivatives as TR inhibitors.
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Affiliation(s)
- Alonzo González-González
- Laboratorio de Biotecnología Farmacéutica, Centro de Biotecnología Genómica, Instituto Politécnico Nacional, 88710, Reynosa, México
| | - Citlali Vázquez
- Departamento de Bioquímica, Instituto Nacional de Cardiología Ignacio Chávez, 14080, Mexico City, Mexico
| | - Rusely Encalada
- Departamento de Bioquímica, Instituto Nacional de Cardiología Ignacio Chávez, 14080, Mexico City, Mexico
| | - Emma Saavedra
- Departamento de Bioquímica, Instituto Nacional de Cardiología Ignacio Chávez, 14080, Mexico City, Mexico
| | - Lenci K Vázquez-Jiménez
- Laboratorio de Biotecnología Farmacéutica, Centro de Biotecnología Genómica, Instituto Politécnico Nacional, 88710, Reynosa, México
| | - Eyra Ortiz-Pérez
- Laboratorio de Biotecnología Farmacéutica, Centro de Biotecnología Genómica, Instituto Politécnico Nacional, 88710, Reynosa, México
| | - María Laura Bolognesi
- Department of Pharmacy and Biotechnology, Alma Mater Studiorum-University of Bologna, Via Belmeloro 6, I-40126, Bologna, Italy
| | - Gildardo Rivera
- Laboratorio de Biotecnología Farmacéutica, Centro de Biotecnología Genómica, Instituto Politécnico Nacional, 88710, Reynosa, México
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7
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Racané L, Ptiček L, Kostrun S, Raić-Malić S, Taylor MC, Delves M, Alsford S, Olmo F, Francisco AF, Kelly JM. Bis-6-amidino-benzothiazole Derivative that Cures Experimental Stage 1 African Trypanosomiasis with a Single Dose. J Med Chem 2023; 66:13043-13057. [PMID: 37722077 PMCID: PMC10544003 DOI: 10.1021/acs.jmedchem.3c01051] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2023] [Indexed: 09/20/2023]
Abstract
We designed and synthesized a series of symmetric bis-6-amidino-benzothiazole derivatives with aliphatic central units and evaluated their efficacy against bloodstream forms of the African trypanosome Trypanosoma brucei. Of these, a dicationic benzothiazole compound (9a) exhibited sub-nanomolar in vitro potency with remarkable selectivity over mammalian cells (>26,000-fold). Unsubstituted 5-amidine groups and a cyclohexyl spacer were the crucial determinants of trypanocidal activity. In all cases, mice treated with a single dose of 20 mg kg-1 were cured of stage 1 trypanosomiasis. The compound displayed a favorable in vitro ADME profile, with the exception of low membrane permeability. However, we found evidence that uptake by T. brucei is mediated by endocytosis, a process that results in lysosomal sequestration. The compound was also active in low nanomolar concentrations against cultured asexual forms of the malaria parasite Plasmodium falciparum. Therefore, 9a has exquisite cross-species efficacy and represents a lead compound with considerable therapeutic potential.
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Affiliation(s)
- Livio Racané
- Department
of Applied Chemistry, Faculty of Textile Technology, University of Zagreb, Prilaz baruna Filipovića 28a, 10000 Zagreb, Croatia
| | - Lucija Ptiček
- Department
of Applied Chemistry, Faculty of Textile Technology, University of Zagreb, Prilaz baruna Filipovića 28a, 10000 Zagreb, Croatia
| | - Sanja Kostrun
- Chemistry
Department, Selvita Ltd., Prilaz baruna Filipovića 29, 10000 Zagreb, Croatia
| | - Silvana Raić-Malić
- Department
of Organic Chemistry, Faculty of Chemical Engineering and Technology, University of Zagreb, Marulićev trg 20, 10000 Zagreb, Croatia
| | - Martin Craig Taylor
- Department
of Infection Biology, London School of Hygiene
and Tropical Medicine, Keppel Street, WC1E 7HT London, U.K.
| | - Michael Delves
- Department
of Infection Biology, London School of Hygiene
and Tropical Medicine, Keppel Street, WC1E 7HT London, U.K.
| | - Sam Alsford
- Department
of Infection Biology, London School of Hygiene
and Tropical Medicine, Keppel Street, WC1E 7HT London, U.K.
| | - Francisco Olmo
- Department
of Infection Biology, London School of Hygiene
and Tropical Medicine, Keppel Street, WC1E 7HT London, U.K.
| | - Amanda Fortes Francisco
- Department
of Infection Biology, London School of Hygiene
and Tropical Medicine, Keppel Street, WC1E 7HT London, U.K.
| | - John M. Kelly
- Department
of Infection Biology, London School of Hygiene
and Tropical Medicine, Keppel Street, WC1E 7HT London, U.K.
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8
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González-Morales LD, Moreno-Rodríguez A, Vázquez-Jiménez LK, Delgado-Maldonado T, Juárez-Saldivar A, Ortiz-Pérez E, Paz-Gonzalez AD, Lara-Ramírez EE, Yépez-Mulia L, Meza P, Rivera G. Triose Phosphate Isomerase Structure-Based Virtual Screening and In Vitro Biological Activity of Natural Products as Leishmania mexicana Inhibitors. Pharmaceutics 2023; 15:2046. [PMID: 37631260 PMCID: PMC10458937 DOI: 10.3390/pharmaceutics15082046] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2023] [Revised: 07/25/2023] [Accepted: 07/27/2023] [Indexed: 08/27/2023] Open
Abstract
Cutaneous leishmaniasis (CL) is a public health problem affecting more than 98 countries worldwide. No vaccine is available to prevent the disease, and available medical treatments cause serious side effects. Additionally, treatment failure and parasite resistance have made the development of new drugs against CL necessary. In this work, a virtual screening of natural products from the BIOFACQUIM and Selleckchem databases was performed using the method of molecular docking at the triosephosphate isomerase (TIM) enzyme interface of Leishmania mexicana (L. mexicana). Finally, the in vitro leishmanicidal activity of selected compounds against two strains of L. mexicana, their cytotoxicity, and selectivity index were determined. The top ten compounds were obtained based on the docking results. Four were selected for further in silico analysis. The ADME-Tox analysis of the selected compounds predicted favorable physicochemical and toxicological properties. Among these four compounds, S-8 (IC50 = 55 µM) demonstrated a two-fold higher activity against the promastigote of both L. mexicana strains than the reference drug glucantime (IC50 = 133 µM). This finding encourages the screening of natural products as new anti-leishmania agents.
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Affiliation(s)
- Luis D. González-Morales
- Laboratorio de Biotecnología Farmacéutica, Centro de Biotecnología Genómica, Instituto Politécnico Nacional, Reynosa 88710, Mexico; (L.D.G.-M.); (A.J.-S.); (E.O.-P.); (E.E.L.-R.)
| | - Adriana Moreno-Rodríguez
- Laboratorio de Estudios Epidemiológicos, Clínicos, Diseños Experimentales e Investigación, Facultad de Ciencias Químicas, Universidad Autónoma “Benito Juárez” de Oaxaca, Avenida Universidad S/N, Ex Hacienda Cinco Señores, Oaxaca 68120, Mexico;
| | - Lenci K. Vázquez-Jiménez
- Laboratorio de Biotecnología Farmacéutica, Centro de Biotecnología Genómica, Instituto Politécnico Nacional, Reynosa 88710, Mexico; (L.D.G.-M.); (A.J.-S.); (E.O.-P.); (E.E.L.-R.)
| | - Timoteo Delgado-Maldonado
- Laboratorio de Biotecnología Farmacéutica, Centro de Biotecnología Genómica, Instituto Politécnico Nacional, Reynosa 88710, Mexico; (L.D.G.-M.); (A.J.-S.); (E.O.-P.); (E.E.L.-R.)
| | - Alfredo Juárez-Saldivar
- Laboratorio de Biotecnología Farmacéutica, Centro de Biotecnología Genómica, Instituto Politécnico Nacional, Reynosa 88710, Mexico; (L.D.G.-M.); (A.J.-S.); (E.O.-P.); (E.E.L.-R.)
| | - Eyra Ortiz-Pérez
- Laboratorio de Biotecnología Farmacéutica, Centro de Biotecnología Genómica, Instituto Politécnico Nacional, Reynosa 88710, Mexico; (L.D.G.-M.); (A.J.-S.); (E.O.-P.); (E.E.L.-R.)
| | - Alma D. Paz-Gonzalez
- Laboratorio de Biotecnología Farmacéutica, Centro de Biotecnología Genómica, Instituto Politécnico Nacional, Reynosa 88710, Mexico; (L.D.G.-M.); (A.J.-S.); (E.O.-P.); (E.E.L.-R.)
| | - Edgar E. Lara-Ramírez
- Laboratorio de Biotecnología Farmacéutica, Centro de Biotecnología Genómica, Instituto Politécnico Nacional, Reynosa 88710, Mexico; (L.D.G.-M.); (A.J.-S.); (E.O.-P.); (E.E.L.-R.)
| | - Lilian Yépez-Mulia
- Unidad de Investigación Médica en Enfermedades Infecciosas y Parasitarias-Pediatría, Instituto Mexicano del Seguro Social, Mexico City 06720, Mexico
| | - Patricia Meza
- Unidad de Investigación Médica en Enfermedades Infecciosas y Parasitarias-Pediatría, Instituto Mexicano del Seguro Social, Mexico City 06720, Mexico
| | - Gildardo Rivera
- Laboratorio de Biotecnología Farmacéutica, Centro de Biotecnología Genómica, Instituto Politécnico Nacional, Reynosa 88710, Mexico; (L.D.G.-M.); (A.J.-S.); (E.O.-P.); (E.E.L.-R.)
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9
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Benchimol M, Gadelha AP, de Souza W. Ultrastructural Alterations of the Human Pathogen Giardia intestinalis after Drug Treatment. Pathogens 2023; 12:810. [PMID: 37375500 DOI: 10.3390/pathogens12060810] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2023] [Revised: 06/04/2023] [Accepted: 06/05/2023] [Indexed: 06/29/2023] Open
Abstract
This review presents the main cell characteristics altered after in vitro incubation of the parasite with commercial drugs used to treat the disease caused by Giardia intestinalis. This important intestinal parasite primarily causes diarrhea in children. Metronidazole and albendazole are the primary compounds used in therapy against Giardia intestinalis. However, they provoke significant side effects, and some strains have developed resistance to metronidazole. Benzimidazole carbamates, such as albendazole and mebendazole, have shown the best activity against Giardia. Despite their in vitro efficacy, clinical treatment with benzimidazoles has yielded conflicting results, demonstrating lower cure rates. Recently, nitazoxanide has been suggested as an alternative to these drugs. Therefore, to enhance the quality of chemotherapy against this parasite, it is important to invest in developing other compounds that can interfere with key steps of metabolic pathways or cell structures and organelles. For example, Giardia exhibits a unique cell structure called the ventral disc, which is crucial for host adhesion and pathogenicity. Thus, drugs that can disrupt the adhesion process hold promise for future therapy against Giardia. Additionally, this review discusses new drugs and strategies that can be employed, as well as suggestions for developing novel drugs to control the infection caused by this parasite.
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Affiliation(s)
- Marlene Benchimol
- BIOTRANS-CAXIAS, Universidade do Grande Rio. UNIGRANRIO, Rio de Janeiro 96200-000, Brazil
- Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro 21941-901, Brazil
- Instituto Nacional de Ciência e Tecnologia em Biologia Estrutural e Bioimagens e Centro Nacional de Biologia Estrutural e Bioimagens, Universidade Federal do Rio de Janeiro, Rio de Janeiro 21941-901, Brazil
| | - Ana Paula Gadelha
- Diretoria de Metrologia Científica, Instituto Nacional de Metrologia, Qualidade e Tecnologia (INMETRO), Rio de Janeiro 25259-020, Brazil
| | - Wanderley de Souza
- Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro 21941-901, Brazil
- Instituto Nacional de Ciência e Tecnologia em Biologia Estrutural e Bioimagens e Centro Nacional de Biologia Estrutural e Bioimagens, Universidade Federal do Rio de Janeiro, Rio de Janeiro 21941-901, Brazil
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10
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González-González A, Sánchez-Sánchez O, Krauth-Siegel RL, Bolognesi ML, Gớmez-Escobedo R, Nogueda-Torres B, Vázquez-Jiménez LK, Saavedra E, Encalada R, Espinoza-Hicks JC, Paz-González AD, Rivera G. In Vitro and In Silico Analysis of New n-Butyl and Isobutyl Quinoxaline-7-carboxylate 1,4-di- N-oxide Derivatives against Trypanosoma cruzi as Trypanothione Reductase Inhibitors. Int J Mol Sci 2022; 23:13315. [PMID: 36362102 PMCID: PMC9655728 DOI: 10.3390/ijms232113315] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2022] [Revised: 10/24/2022] [Accepted: 10/27/2022] [Indexed: 09/29/2023] Open
Abstract
American trypanosomiasis is a worldwide health problem that requires attention due to ineffective treatment options. We evaluated n-butyl and isobutyl quinoxaline-7-carboxylate 1,4-di-N-oxide derivatives against trypomastigotes of the Trypanosoma cruzi strains NINOA and INC-5. An in silico analysis of the interactions of 1,4-di-N-oxide on the active site of trypanothione reductase (TR) and an enzyme inhibition study was carried out. The n-butyl series compound identified as T-150 had the best trypanocidal activity against T. cruzi trypomastigotes, with a 13% TR inhibition at 44 μM. The derivative T-147 behaved as a mixed inhibitor with Ki and Ki' inhibition constants of 11.4 and 60.8 µM, respectively. This finding is comparable to the TR inhibitor mepacrine (Ki = 19 µM).
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Affiliation(s)
- Alonzo González-González
- Laboratorio de Biotecnología Farmacéutica, Centro de Biotecnología Genómica, Instituto Politécnico Nacional, Reynosa 88710, Mexico
| | - Oscar Sánchez-Sánchez
- Laboratorio de Biotecnología Farmacéutica, Centro de Biotecnología Genómica, Instituto Politécnico Nacional, Reynosa 88710, Mexico
| | - R. Luise Krauth-Siegel
- Center of Biochemistry, Heidelberg University, Im Neuenheimer Feld 328, 69120 Heidelberg, Germany
| | - Maria Laura Bolognesi
- Department of Pharmacy and Biotechnology, Alma Mater Studiorum, University of Bologna, I-40126 Bologna, Italy
| | - Rogelio Gớmez-Escobedo
- Departamento de Parasitología, Escuela Nacional de Ciencias Biológicas Instituto Politécnico Nacional, Ciudad de Mexico 07738, Mexico
| | - Benjamín Nogueda-Torres
- Departamento de Parasitología, Escuela Nacional de Ciencias Biológicas Instituto Politécnico Nacional, Ciudad de Mexico 07738, Mexico
| | - Lenci K. Vázquez-Jiménez
- Laboratorio de Biotecnología Farmacéutica, Centro de Biotecnología Genómica, Instituto Politécnico Nacional, Reynosa 88710, Mexico
| | - Emma Saavedra
- Departamento de Bioquímica, Instituto Nacional de Cardiología Ignacio Chávez, Ciudad de Mexico 14080, Mexico
| | - Rusely Encalada
- Departamento de Bioquímica, Instituto Nacional de Cardiología Ignacio Chávez, Ciudad de Mexico 14080, Mexico
| | | | - Alma D. Paz-González
- Laboratorio de Biotecnología Farmacéutica, Centro de Biotecnología Genómica, Instituto Politécnico Nacional, Reynosa 88710, Mexico
| | - Gildardo Rivera
- Laboratorio de Biotecnología Farmacéutica, Centro de Biotecnología Genómica, Instituto Politécnico Nacional, Reynosa 88710, Mexico
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