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Swapna K, Srujana M, Mamidala E. Identification of steroidal cardenolides from Calotropis procera as novel HIV-1 PR inhibitors: A molecular docking & molecular dynamics simulation study. Indian J Med Res 2024; 160:78-86. [PMID: 39382500 PMCID: PMC11463882 DOI: 10.25259/ijmr_2115_23] [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: 11/02/2023] [Indexed: 10/10/2024] Open
Abstract
Background & objectives Despite advancements in antiretroviral therapy, drug-resistant strains of HIV (human immunodeficiency virus) remain a global health concern. Natural compounds from medicinal plants offer a promising avenue for developing new HIV-1 PR (protease) inhibitors. This study aimed to explore the potential of compounds derived from Calotropis procera, a medicinal plant, as inhibitors of HIV-1 PR. Methods This in silico study utilized natural compound information and the crystal structure of HIV-1 PR. Molecular docking of 17 steroidal cardenolides from Calotropis procera against HIV-1 PR was performed using AutoDock 4.2 to identify compounds with higher antiviral potential. A dynamic simulation study was performed to provide insights into the stability, binding dynamics, and potential efficacy of the top potential antiviral compound as an HIV-1 therapeutic. Results We found that all tested cardenolides had higher binding affinities than Amprenavir, indicating their potential as potent HIV-1 PR inhibitors. Voruscharin and uscharidin displayed the strongest interactions, forming hydrogen bonds and hydrophobic interactions with HIV-1 PR. Voruscharin showed improved stability with lower RMSD (Root Mean Square Deviation) values and reduced fluctuations in binding site residues but increased flexibility in certain regions. The radius of gyration analysis confirmed a stable binding pose between HIV-1 PR and Voruscharin. Interpretation & conclusions These findings suggest that Calotropis procera could potentially be a source of compounds for developing novel HIV-1 PR inhibitors, contributing to the efforts to combat HIV. Further studies and clinical trials are needed to evaluate the safety and efficacy of these compounds as potential drug candidates for the treatment of HIV-1 infection.
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Affiliation(s)
- Kandagatla Swapna
- Department of Zoology, Kakatiya University, Hanamkonda, Warangal, Telangana, India
| | - M. Srujana
- Department of Pharmacy, Chaitanya (Deemed to be University), Kishanpura, Hanamkonda, Warangal, Telangana, India
| | - Estari Mamidala
- Department of Zoology, Kakatiya University, Hanamkonda, Warangal, Telangana, India
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Dinata R, Nisa N, Arati C, Rasmita B, Uditraj C, Siddhartha R, Bhanushree B, Saeed-Ahmed L, Manikandan B, Bidanchi RM, Abinash G, Pori B, Khushboo M, Roy VK, Gurusubramanian G. Repurposing immune boosting and anti-viral efficacy of Parkia bioactive entities as multi-target directed therapeutic approach for SARS-CoV-2: exploration of lead drugs by drug likeness, molecular docking and molecular dynamics simulation methods. J Biomol Struct Dyn 2024; 42:43-81. [PMID: 37021347 DOI: 10.1080/07391102.2023.2192797] [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: 12/09/2022] [Accepted: 03/10/2023] [Indexed: 04/07/2023]
Abstract
The COVID-19 pandemic has caused adverse health (severe respiratory, enteric and systemic infections) and environmental impacts that have threatened public health and the economy worldwide. Drug repurposing and small molecule multi-target directed herbal medicine therapeutic approaches are the most appropriate exploration strategies for SARS-CoV-2 drug discovery. This study identified potential multi-target-directed Parkia bioactive entities against SARS-CoV-2 receptors (S-protein, ACE2, TMPRSS2, RBD/ACE2, RdRp, MPro, and PLPro) using ADMET, drug-likeness, molecular docking (AutoDock, FireDock and HDOCK), molecular dynamics simulation and MM-PBSA tools. One thousand Parkia bioactive entities were screened out by virtual screening and forty-five bioactive phytomolecules were selected based on favorable binding affinity and acceptable pharmacokinetic and pharmacodynamics properties. The binding affinity values of Parkia phyto-ligands (AutoDock: -6.00--10.40 kcal/mol; FireDock: -31.00--62.02 kcal/mol; and HDOCK: -150.0--294.93 kcal/mol) were observed to be higher than the reference antiviral drugs (AutoDock: -5.90--9.10 kcal/mol; FireDock: -35.64--59.35 kcal/mol; and HDOCK: -132.82--211.87 kcal/mol), suggesting a potent modulatory action of Parkia bioactive entities against the SARS-CoV-2. Didymin, rutin, epigallocatechin gallate, epicatechin-3-0-gallate, hyperin, ursolic acid, lupeol, stigmasta-5,24(28)-diene-3-ol, ellagic acid, apigenin, stigmasterol, and campesterol strongly bound with the multiple targets of the SARS-CoV-2 receptors, inhibiting viral entry, attachment, binding, replication, transcription, maturation, packaging and spread. Furthermore, ACE2, TMPRSS2, and MPro receptors possess significant molecular dynamic properties, including stability, compactness, flexibility and total binding energy. Residues GLU-589, and LEU-95 of ACE2, GLN-350, HIS-186, and ASP-257 of TMPRSS2, and GLU-14, MET-49, and GLN-189 of MPro receptors contributed to the formation of hydrogen bonds and binding interactions, playing vital roles in inhibiting the activity of the receptors. Promising results were achieved by developing multi-targeted antiviral Parkia bioactive entities as lead and prospective candidates under a small molecule strategy against SARS-CoV-2 pathogenesis. The antiviral activity of Parkia bioactive entities needs to be further validated by pre-clinical and clinical trials.
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Affiliation(s)
- Roy Dinata
- Department of Zoology, Mizoram University, Aizawl, Mizoram, India
| | - Nisekhoto Nisa
- Department of Zoology, Mizoram University, Aizawl, Mizoram, India
| | - Chettri Arati
- Department of Zoology, Mizoram University, Aizawl, Mizoram, India
| | | | - Chetia Uditraj
- Department of Zoology, Mizoram University, Aizawl, Mizoram, India
| | | | | | | | - Bose Manikandan
- Department of Zoology, Mizoram University, Aizawl, Mizoram, India
| | | | - Giri Abinash
- Department of Zoology, Mizoram University, Aizawl, Mizoram, India
| | - Buragohain Pori
- Department of Zoology, Mizoram University, Aizawl, Mizoram, India
| | - Maurya Khushboo
- Department of Zoology, Mizoram University, Aizawl, Mizoram, India
| | - Vikas Kumar Roy
- Department of Zoology, Mizoram University, Aizawl, Mizoram, India
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Al-Masri AA. Identification of phytoconstituents from Albizia lebbeck as potential therapeutics against HIV-1 reverse transcriptase associated with infective endocarditis: In silico and in vitro approaches. Saudi J Biol Sci 2023; 30:103751. [PMID: 37593463 PMCID: PMC10428122 DOI: 10.1016/j.sjbs.2023.103751] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2023] [Revised: 07/20/2023] [Accepted: 07/22/2023] [Indexed: 08/19/2023] Open
Abstract
Acquired immune deficiency syndrome (AIDS) is an unadorned disease affected via the human immunodeficiency virus (HIV), which has become the most infectious diseases worldwide. HIV-1 RT has been shown to be present in the cardiac tissue of patients with HIV-associated infective endocarditis, and to be associated with the development of valvular lesions and other cardiac abnormalities. The use of anti-retroviral therapies has helped to control the virus and reduce the incidence of HIV-1 associated infective endocarditis. Though, these treatments have several adjacent effects, and the improvement of drug-resistant stresses of the virus has become a significant challenge in HIV treatment. This study is to identify A. lebbeck phytoconstituents with HIV-1 RT inhibitory activity for potential therapeutic use against HIV-1 RT associated with infective endocarditis. We performed in silico and in vitro screening of natural cardiovascular phytoconstituents from Albizia lebbeck, a medicinal plant that has been traditionally used for the management of numerous diseases. The in silico results showed that all three compounds (geraldone, luteolin, and isookanin) exhibited affinities of solid binidng to the active amino acids of HIV-1 RT's DNA-polymerase (DNA-p) and Ribonuclease-H (RNA-H) active positions, suggesting their potential as HIV-1 RT inhibitors. In vitro assessment of the three compounds at a concentration of 1 mg/mL revealed that Geraldone exhibited the most effective inhibitory consequence on HIV-1 RT activity (83.45%), followed by Isookanin (75.88%) and Luteolin (66.36%). These findings suggest that these compounds have the potential to inhibit HIV-1 RT associated with infective endocarditis and could assist as main compounds for emerging unique anti-HIV-1 agents. Further studies are needed to confirm the in vitro and in vivo efficacy of these molecules and assess their safety and efficiency as anti-HIV-1 drugs.
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Affiliation(s)
- Abeer A. Al-Masri
- Department of Physiology, College of Medicine, King Saud University, Riyadh 11451, Saudi Arabia
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Rizka Nurcahyaningtyas H, Irene A, Tri Wibowo J, Yunovilsa Putra M, Yanuar A. Identification of potential Indonesian marine invertebrate bioactive compounds as TMPRSS2 and SARS-CoV-2 Omicron spike protein inhibitors through computational screening. ARAB J CHEM 2023; 16:104984. [PMID: 37234226 PMCID: PMC10186851 DOI: 10.1016/j.arabjc.2023.104984] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2023] [Accepted: 05/08/2023] [Indexed: 05/27/2023] Open
Abstract
The coronavirus pandemic led to the announcement of a worldwide health emergency. The SARS-CoV-2 Omicron variant, which swiftly spread worldwide, has fueled existing challenges. Appropriate medication is necessary to avoid severe SARS-CoV-2 disease. The human TMPRSS2 and SARS-CoV-2 Omicron spike protein, which are required for viral entry into the host phase, were identified as the target proteins through computational screening. Structure-based virtual screening; molecular docking; absorption, distribution, metabolism, excretion, and toxicity (ADMET) analysis; and molecular dynamics simulation were the methods applied for TMPRSS2 and spike protein inhibitors. Bioactive marine invertebrates from Indonesia were employed as test ligands. Camostat and nafamostat (co-crystal) were utilized as reference ligands against TMPRSS2, whereas mefloquine was used as a reference ligand against spike protein. Following a molecular docking and dynamics simulation, we found that acanthomanzamine C has remarkable effectiveness against TMPRSS2 and spike protein. Compared to camostat (-8.25 kcal/mol), nafamostat (-6.52 kcal/mol), and mefloquine (-6.34 kcal/mol), acanthomanzamine C binds to TMPRSS2 and spike protein with binding energies of -9.75 kcal/mol and -9.19 kcal/mol, respectively. Furthermore, slight variances in the MD simulation demonstrated consistent binding to TMPRSS2 and spike protein after the initial 50 ns. These results are highly valuable in the search for a treatment for SARS-CoV-2 infection.
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Affiliation(s)
| | - Alfrina Irene
- Faculty of Pharmacy Universitas Indonesia, Depok 16424, West Java, Indonesia
| | - Joko Tri Wibowo
- Research Center for Vaccine and Drug, National Research and Innovation Agency of Indonesia (BRIN), Cibinong, Indonesia
| | - Masteria Yunovilsa Putra
- Research Center for Vaccine and Drug, National Research and Innovation Agency of Indonesia (BRIN), Cibinong, Indonesia
- National Metabolomics Collaborative Research Center, Faculty of Pharmacy, Universitas Indonesia, Depok, 16424, West Java, Indonesia
| | - Arry Yanuar
- Faculty of Pharmacy Universitas Indonesia, Depok 16424, West Java, Indonesia
- National Metabolomics Collaborative Research Center, Faculty of Pharmacy, Universitas Indonesia, Depok, 16424, West Java, Indonesia
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Dankwa B, Broni E, Enninful KS, Kwofie SK, Wilson MD. Consensus docking and MM-PBSA computations identify putative furin protease inhibitors for developing potential therapeutics against COVID-19. Struct Chem 2022; 33:2221-2241. [PMID: 36118173 PMCID: PMC9470509 DOI: 10.1007/s11224-022-02056-1] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2022] [Accepted: 09/05/2022] [Indexed: 12/16/2022]
Abstract
The coronavirus disease 2019 (COVID-19) is a pandemic that has severely posed substantial health challenges and claimed millions of lives. Though vaccines have been produced to stem the spread of this disease, the death rate remains high since drugs used for treatment have therapeutic challenges. Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), the virus that causes the disease, has a slew of potential therapeutic targets. Among them is the furin protease, which has a cleavage site on the virus’s spike protein. The cleavage site facilitates the entry of the virus into human cells via cell–cell fusion. This critical involvement of furin in the disease pathogenicity has made it a viable therapeutic strategy against the virus. This study employs the consensus docking approach using HYBRID and AutoDock Vina to virtually screen a pre-filtered library of 3942 natural product compounds of African origin against the human furin protease (PDB: 4RYD). Twenty of these compounds were selected as hits after meeting molecular docking cut-off of − 7 kcal.mol−1, pose alignment inspection, and having favorable furin-ligand interactions. An area under the curve (AUC) value of 0.72 was computed from the receiver operator characteristic (ROC) curve, and Boltzmann-enhanced discrimination of the ROC curve (BEDROC) value of 0.65 showed that AutoDock Vina was a reasonable tool for selecting actives for this target. Seven of these hits were proposed as potential leads having had bonding interactions with catalytic triad residues Ser368, His194, and Asp153, and other essential residues in the active site with plausible binding free energies between − 189 and − 95 kJ/mol from the Molecular Mechanics Poisson-Boltzmann Surface Area (MM-PBSA) calculations as well as favorable ADME/Tox properties. The molecules were also predicted as antiviral, anti-inflammatory, membrane permeability inhibitors, RNA synthesis inhibitors, cytoprotective, and hepatoprotective with probable activity (Pa) above 0.5 and probable inactivity values below 0.1. Some of them also have anti-influenza activity. Influenza virus has many similarities with SARS-CoV-2 in their mode of entry into human cells as both are facilitated by the furin protease. Pinobanksin 3-(E)-caffeate, one of the potential leads is a propolis compound. Propolis compounds have shown inhibitory effects against ACE2, TMPRSS2, and PAK1 signaling pathways of SARS-CoV-2 in previous studies. Likewise, quercitrin is structurally similar to isoquercetin, which is currently in clinical trials as possible medication for COVID-19.
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Affiliation(s)
- Bismark Dankwa
- Department of Parasitology, Noguchi Memorial Institute for Medical Research (NMIMR), College of Health Sciences (CHS), University of Ghana, Legon, Accra LG 581, Ghana
- Department of Computer Science, School of Physical & Mathematical Science, College of Basic & Applied Sciences, University of Ghana, LG 163 Legon, Accra Ghana
| | - Emmanuel Broni
- Department of Parasitology, Noguchi Memorial Institute for Medical Research (NMIMR), College of Health Sciences (CHS), University of Ghana, Legon, Accra LG 581, Ghana
- Department of Biomedical Engineering, School of Engineering Sciences, College of Basic & Applied Sciences, University of Ghana, Legon, Accra LG 77, Ghana
- Department of Medicine, Loyola University Medical Center, Maywood, IL 60153 USA
| | - Kweku S. Enninful
- Department of Parasitology, Noguchi Memorial Institute for Medical Research (NMIMR), College of Health Sciences (CHS), University of Ghana, Legon, Accra LG 581, Ghana
| | - Samuel K. Kwofie
- Department of Biomedical Engineering, School of Engineering Sciences, College of Basic & Applied Sciences, University of Ghana, Legon, Accra LG 77, Ghana
- Department of Biochemistry, Cell and Molecular Biology, West African Centre for Cell Biology of Infectious Pathogens, College of Basic and Applied Sciences, University of Ghana, Accra LG 54, Ghana
| | - Michael D. Wilson
- Department of Parasitology, Noguchi Memorial Institute for Medical Research (NMIMR), College of Health Sciences (CHS), University of Ghana, Legon, Accra LG 581, Ghana
- Department of Medicine, Loyola University Medical Center, Maywood, IL 60153 USA
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Murugavel S, Vasudevan P, Chandrasekaran R, Archana V, Ponnuswany A. Synthesis, crystal structure elucidation, DFT analysis, drug-likeness and ADMET evaluation and molecular docking studies of triazole derivatives: Binary inhibition of spike protein and ACE2 receptor protein of COVID-19. J CHIN CHEM SOC-TAIP 2022; 69:884-900. [PMID: 35941959 PMCID: PMC9347919 DOI: 10.1002/jccs.202200140] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2022] [Revised: 04/13/2022] [Accepted: 05/01/2022] [Indexed: 12/13/2022]
Abstract
The recent incidence of terrible acute respiratory syndrome coronavirus 2 (SARS CoV-2) has presently experienced some noteworthy mutations since its discovery in 2019 in Wuhan, China. The present research work focuses on the synthesis of three triazole derivatives (BMTPP, BMTTP, and BMTIP) and their inhibition activities against SARS-Cov-2 spike and ACE2 receptor proteins. The crystal structure for BMTTP was determined by the SCXRD method and optimized geometrical parameters for the three triazole derivatives were obtained by DFT calculations. HOMO-LUMO, Global reactive descriptors [GRD], and Molecular electrostatic potential (MEP) investigations exposed that all three compounds have biological properties. The drug-likeness ability of the synthesized compounds was examined using Molinspiration and a pre-ADMET online Server. Further, to explore the binding nature of three synthesized compounds with SARS-Cov-2 spike proteins/ACE2 receptor molecular docking studies were executed. The outcomes we obtained from molecular docking simulation studies suggest that the synthesized triazole derivatives may be well utilized as curing medicines against COVID-19. Ultimately, animal tests and precise clinical tests are required to prove the potent nature of these compounds against COVID-19. Finally, the present outcomes must be proved to utilize in-vitro and in-vivo antiviral methods.
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Affiliation(s)
- Saminathan Murugavel
- Department of PhysicsThanthai Periyar Government Institute of TechnologyVelloreTamil NaduIndia
| | - Perumal Vasudevan
- Department of PhysicsThanthai Periyar Government Institute of TechnologyVelloreTamil NaduIndia
| | | | - Vellingiri Archana
- Department of ChemistrySchool of Physical Sciences and Computational Sciences, Avinashilingam Institute for Home Science and Higher Education for WomenCoimbatoreTamil NaduIndia
| | - Alagusundaram Ponnuswany
- Department of Organic chemistrySchool of chemistry, Madurai Kamaraj UniversityMaduraiTamil NaduIndia
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