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Shamshad H, Bakri R, Mirza AZ. Dihydrofolate reductase, thymidylate synthase, and serine hydroxy methyltransferase: successful targets against some infectious diseases. Mol Biol Rep 2022; 49:6659-6691. [PMID: 35253073 PMCID: PMC8898753 DOI: 10.1007/s11033-022-07266-8] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2021] [Accepted: 02/15/2022] [Indexed: 12/13/2022]
Abstract
Parasitic diseases have a serious impact on the world in terms of health and economics and are responsible for worldwide mortality and morbidity. The present review features the hybrid targeting involving three main enzymes for the treatment of different parasitic diseases. The enzymes Dihydrofolate reductase, thymidylate synthase, and Serine hydroxy methyltransferase play an essential role in the folate pathway. The present review focuses on these enzymes, which can be targeted against several diseases. It shed light on the past, present, and future of these targets, and it can be assessed that these targets can play a significant role against several infectious diseases. For combating viral and protozoal infectious diseases, these targets in combination should be addressed.
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Affiliation(s)
- Hina Shamshad
- Faculty of Pharmacy, Jinnah University for Women, Karachi, Pakistan
| | - Rowaida Bakri
- College of Medicine, Umm Al-Qura University, Makkah, Saudi Arabia
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Tassone G, Landi G, Linciano P, Francesconi V, Tonelli M, Tagliazucchi L, Costi MP, Mangani S, Pozzi C. Evidence of Pyrimethamine and Cycloguanil Analogues as Dual Inhibitors of Trypanosoma brucei Pteridine Reductase and Dihydrofolate Reductase. Pharmaceuticals (Basel) 2021; 14:636. [PMID: 34209148 PMCID: PMC8308740 DOI: 10.3390/ph14070636] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2021] [Revised: 06/24/2021] [Accepted: 06/25/2021] [Indexed: 12/15/2022] Open
Abstract
Trypanosoma and Leishmania parasites are the etiological agents of various threatening neglected tropical diseases (NTDs), including human African trypanosomiasis (HAT), Chagas disease, and various types of leishmaniasis. Recently, meaningful progresses in the treatment of HAT, due to Trypanosoma brucei (Tb), have been achieved by the introduction of fexinidazole and the combination therapy eflornithine-nifurtimox. Nevertheless, due to drug resistance issues and the exitance of animal reservoirs, the development of new NTD treatments is still required. For this purpose, we explored the combined targeting of two key folate enzymes, dihydrofolate reductase (DHFR) and pteridine reductase 1 (PTR1). We formerly showed that the TbDHFR inhibitor cycloguanil (CYC) also targets TbPTR1, although with reduced affinity. Here, we explored a small library of CYC analogues to understand how their substitution pattern affects the inhibition of both TbPTR1 and TbDHFR. Some novel structural features responsible for an improved, but preferential, ability of CYC analogues to target TbPTR1 were disclosed. Furthermore, we showed that the known drug pyrimethamine (PYR) effectively targets both enzymes, also unveiling its binding mode to TbPTR1. The structural comparison between PYR and CYC binding modes to TbPTR1 and TbDHFR provided key insights for the future design of dual inhibitors for HAT therapy.
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Affiliation(s)
- Giusy Tassone
- Department of Biotechnology, Chemistry and Pharmacy, Department of Excellence 2018–2022, University of Siena, via Aldo Moro 2, 53100 Siena, Italy; (G.T.); (G.L.); (S.M.)
| | - Giacomo Landi
- Department of Biotechnology, Chemistry and Pharmacy, Department of Excellence 2018–2022, University of Siena, via Aldo Moro 2, 53100 Siena, Italy; (G.T.); (G.L.); (S.M.)
| | - Pasquale Linciano
- Department of Life Science, University of Modena and Reggio Emilia, via Campi 103, 41125 Modena, Italy; (P.L.); (L.T.); (M.P.C.)
| | - Valeria Francesconi
- Department of Pharmacy, University of Genoa, Viale Benedetto XV n.3, 16132 Genoa, Italy; (V.F.); (M.T.)
| | - Michele Tonelli
- Department of Pharmacy, University of Genoa, Viale Benedetto XV n.3, 16132 Genoa, Italy; (V.F.); (M.T.)
| | - Lorenzo Tagliazucchi
- Department of Life Science, University of Modena and Reggio Emilia, via Campi 103, 41125 Modena, Italy; (P.L.); (L.T.); (M.P.C.)
| | - Maria Paola Costi
- Department of Life Science, University of Modena and Reggio Emilia, via Campi 103, 41125 Modena, Italy; (P.L.); (L.T.); (M.P.C.)
| | - Stefano Mangani
- Department of Biotechnology, Chemistry and Pharmacy, Department of Excellence 2018–2022, University of Siena, via Aldo Moro 2, 53100 Siena, Italy; (G.T.); (G.L.); (S.M.)
| | - Cecilia Pozzi
- Department of Biotechnology, Chemistry and Pharmacy, Department of Excellence 2018–2022, University of Siena, via Aldo Moro 2, 53100 Siena, Italy; (G.T.); (G.L.); (S.M.)
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Sharma VK, Kathuria D, Bharatam PV. Identification of selective LdDHFR inhibitors using quantum chemical and molecular modeling approach. J Biomol Struct Dyn 2021; 40:8687-8695. [PMID: 33904374 DOI: 10.1080/07391102.2021.1915182] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
Among the various known targets for the treatment of Leishmaniasis, dihydrofolate reductase (DHFR) is an essential target which plays an important role in the folate metabolic pathway. In the current study, pharmacoinformatics approaches including quantum chemistry methods, molecular docking and molecular dynamics simulations have been utilized to identify selective Leishmania donovani DHFR (LdDHFR) inhibitors. Initially, for the design of new LdDHFR inhibitors, a virtual combinatorial library was created by considering various head groups (scaffolds), linkers and tail groups. The scaffolds utilized in the library design were selected on the basis of their proton affinity (PA) estimated using quantum chemical methods, required to make a strong H-bond interaction with negatively charged LdDHFR active site. Later on, molecular docking-based virtual screening was performed to screen the designed library. Selectivity of the chosen hits toward the LdDHFR was established through re-docking in the human DHFR enzyme (HsDHFR). Best five hits were subjected to molecular dynamics (MD) simulations to validate their selectivity as well as stability in LdDHFR. Out of the five hits, four were found to be energetically more favorable and promising for selective binding toward LdDHFR in comparison to HsDHFR.Communicated by Ramaswamy H. Sarma.
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Affiliation(s)
- Vishnu Kumar Sharma
- Department of Pharmacoinformatics, National Institute of Pharmaceutical Education and Research (NIPER), S.A.S. Nagar, Punjab, India
| | - Deepika Kathuria
- Department of Medicinal Chemistry, National Institute of Pharmaceutical Education and Research (NIPER), S.A.S. Nagar, Punjab, India.,University Center for Research and Development, Chandigarh University, Gharuan, Punjab, India
| | - Prasad V Bharatam
- Department of Medicinal Chemistry, National Institute of Pharmaceutical Education and Research (NIPER), S.A.S. Nagar, Punjab, India
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Madhav H, Hoda N. An insight into the recent development of the clinical candidates for the treatment of malaria and their target proteins. Eur J Med Chem 2020; 210:112955. [PMID: 33131885 DOI: 10.1016/j.ejmech.2020.112955] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2020] [Revised: 10/08/2020] [Accepted: 10/19/2020] [Indexed: 01/18/2023]
Abstract
Malaria is an endemic disease, prevalent in tropical and subtropical regions which cost half of million deaths annually. The eradication of malaria is one of the global health priority nevertheless, current therapeutic efforts seem to be insufficient due to the emergence of drug resistance towards most of the available drugs, even first-line treatment ACT, unavailability of the vaccine, and lack of drugs with a new mechanism of action. Intensification of antimalarial research in recent years has resulted into the development of single dose multistage therapeutic agents which has advantage of overcoming the antimalarial drug resistance. The present review explored the current progress in the development of new promising antimalarials against prominent target proteins that have the potential to be a clinical candidate. Here, we also reviewed different aspects of drug resistance and highlighted new drug candidates that are currently in a clinical trial or clinical development, along with a few other molecules with excellent antimalarial activity overs ACTs. The summarized scientific value of previous approaches and structural features of antimalarials related to the activity are highlighted that will be helpful for the development of next-generation antimalarials.
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Affiliation(s)
- Hari Madhav
- Drug Design and Synthesis Laboratory, Department of Chemistry, Jamia Millia Islamia (A Central University), New Delhi, 110025, India.
| | - Nasimul Hoda
- Drug Design and Synthesis Laboratory, Department of Chemistry, Jamia Millia Islamia (A Central University), New Delhi, 110025, India.
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Jia WQ, Feng XY, Liu YY, Han ZZ, Jing Z, Xu WR, Cheng XC. Identification of Phosphoinositide-3 Kinases Delta and Gamma Dual Inhibitors Based on the p110δ/γ Crystal Structure. LETT DRUG DES DISCOV 2020. [DOI: 10.2174/1570180816666190730163431] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Background:
Phosphoinositide-3 kinases (PI3Ks) are key signaling molecules that affect
a diverse array of biological processes in cells, including proliferation, differentiation, survival, and
metabolism. The abnormal activity of PI3K signals is closely related to the occurrence of many diseases,
which has become a very promising drug target, especially for the treatment of cancer.
PI3Kδ/γ inhibitors can reduce toxicity concerns for chronic indications such as asthma and rheumatoid
arthritis compared with pan PI3Ks inhibitors.
Methods:
With the aim of finding more effective PI3Kδ/γ dual inhibitors, virtual screening,
ADMET prediction Molecular Dynamics (MD) simulations and MM-GBSA were executed based
on the known p110δ/γ crystal structure. Compound ZINC28564067 with high docking score and
low toxicity was obtained.
Results:
By MD simulations and MM-GBSA, we could observe that ZINC28564067 had more favorable
conformation binding to the PI3Kδ/γ than the original ligands.
Conclusion:
The results provided a rapid approach for the discovery of novel PI3Kδ/γ dual inhibitors
which might be a potential anti-tumor lead compound.
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Affiliation(s)
- Wen-Qing Jia
- Tianjin Key Laboratory on Technologies Enabling Development of Clinical Therapeutics and Diagnostics (Theranostics), School of Pharmacy, Tianjin Medical University, Tianjin 300070, China
| | - Xiao-Yan Feng
- Tianjin Key Laboratory on Technologies Enabling Development of Clinical Therapeutics and Diagnostics (Theranostics), School of Pharmacy, Tianjin Medical University, Tianjin 300070, China
| | - Ya-Ya Liu
- Tianjin Key Laboratory on Technologies Enabling Development of Clinical Therapeutics and Diagnostics (Theranostics), School of Pharmacy, Tianjin Medical University, Tianjin 300070, China
| | - Zhen-Zhen Han
- Baokang Hospital, Tianjin University of Traditional Chinese Medicine, Tianjin 300193, China
| | - Zhi Jing
- Tianjin Key Laboratory on Technologies Enabling Development of Clinical Therapeutics and Diagnostics (Theranostics), School of Pharmacy, Tianjin Medical University, Tianjin 300070, China
| | - Wei-Ren Xu
- Tianjin Key Laboratory of Molecular Design and Drug Discovery, Tianjin Institute of Pharmaceutical Research, Tianjin 300193, China
| | - Xian-Chao Cheng
- Tianjin Key Laboratory on Technologies Enabling Development of Clinical Therapeutics and Diagnostics (Theranostics), School of Pharmacy, Tianjin Medical University, Tianjin 300070, China
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Sharma VK, Bharatam PV. Identification of Selective Inhibitors of LdDHFR Enzyme Using Pharmacoinformatic Methods. J Comput Biol 2020; 28:43-59. [PMID: 32207987 DOI: 10.1089/cmb.2019.0332] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
Dihydrofolate reductase (DHFR) is a well-known enzyme of the folate metabolic pathway and it is a validated drug target for leishmaniasis. However, only a few leads are reported against Leishmania donovani DHFR (LdDHFR), and thus, there is a need to identify new inhibitors. In this article, pharmacoinformatic tools such as molecular docking, virtual screening, absorption, distribution, metabolism, excretion, and toxicity (ADMET) profiling, and molecular dynamics (MD) simulations were utilized to identify potential LdDHFR inhibitors. Initially, a natural DHFR substrate (dihydrofolate), a classical DHFR inhibitor (methotrexate), and a potent LdDHFR inhibitor, that is, "5-(3-(octyloxy)benzyl)pyrimidine-2,4-diamine" (LEAD) were docked in the active site of the LdDHFR and MD simulated to understand the binding mode characteristics of the substrates/inhibitors in the LdDHFR. The shape of the LEAD molecule was used as a query for shape-based virtual screening, while the three-dimensional structure of LdDHFR was utilized for docking-based virtual screening. In silico ADMET factors were also considered during virtual screening. These two screening processes yielded 25 suitable hits, which were further validated for their selectivity toward LdDHFR using molecular docking and prime molecular mechanics/generalized born surface area analysis in the human DHFR (HsDHFR). Best six hits, which were selective and energetically favorable for the LdDHFR, were chosen for MD simulations. The MD analysis showed that four of the hits exhibited very good binding affinity for LdDHFR with respect to HsDHFR, and two hits were found to be more selective than the reported potent LdDHFR inhibitor. The present study thus identifies hits that can be further designed and modified as potent LdDHFR inhibitors.
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Affiliation(s)
- Vishnu Kumar Sharma
- Department of Pharmacoinformatics and National Institute of Pharmaceutical Education and Research (NIPER), S.A.S. Nagar, India
| | - Prasad V Bharatam
- Department of Medicinal Chemistry, National Institute of Pharmaceutical Education and Research (NIPER), S.A.S. Nagar, India
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Cullia G, Tamborini L, Conti P, De Micheli C, Pinto A. Folates in Trypanosoma brucei
: Achievements and Opportunities. ChemMedChem 2018; 13:2150-2158. [DOI: 10.1002/cmdc.201800500] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2018] [Indexed: 12/11/2022]
Affiliation(s)
- Gregorio Cullia
- Institute of Biomolecules Max Mousseron (IBMM); UMR5247; CNRS; University of Montpellier; ENSCM; Place Eugène Battaillon 34095 Montpellier cedex 5 France
| | - Lucia Tamborini
- Department of Pharmaceutical Sciences (DISFARM); University of Milan; via Luigi Mangiagalli 25 20133 Milano Italy
| | - Paola Conti
- Department of Pharmaceutical Sciences (DISFARM); University of Milan; via Luigi Mangiagalli 25 20133 Milano Italy
| | - Carlo De Micheli
- Department of Pharmaceutical Sciences (DISFARM); University of Milan; via Luigi Mangiagalli 25 20133 Milano Italy
| | - Andrea Pinto
- Department of Food Environmental and Nutritional Sciences; University of Milan; via Giovanni Celoria 2 20133 Milano Italy
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