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Khezri R, Jamaleddin Shahtaheri S, Khezri E, Niknam Shahrak M, Khadem M. In-silico green toxicology approach toward discovering safer ligands for development of safe-by-design metal-organic frameworks. Toxicol Mech Methods 2024; 34:821-832. [PMID: 38725267 DOI: 10.1080/15376516.2024.2353364] [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: 01/07/2024] [Accepted: 04/23/2024] [Indexed: 05/25/2024]
Abstract
A vast variety of chemical compounds have been fabricated and commercialized, they not only result in industrial exposure during manufacturing and usage, but also have environmental impacts throughout their whole life cycle. Consequently, attempts to assess the risk of chemicals in terms of toxicology have never ceased. In-silico toxicology, also known as predictive toxicology, has advanced significantly over the last decade as a result of the drawbacks of experimental investigations. In this study, ProTox-III was applied to predict the toxicity of the ligands used for metal-organic framework (MOF) design and synthesis. Initially, 35 ligands, that have been frequently utilized for MOF synthesis and fabrication, were selected. Subsequently, canonical simplified molecular-input line-entry system (SMILES) of ligands were extracted from the PUBCHEM database and inserted into the ProTox-III online server. Ultimately, webserver outputs including LD50 and the probability of toxicological endpoints (cytotoxicity, carcinogenicity, mutagenicity, immunotoxicity, and ecotoxicity) were obtained and organized. According to retrieved LD50 data, the safest ligand was 5-hydroxyisophthalic. In contrast, the most hazardous ligand was 5-chlorobenzimidazole, with an LD50 of 8 mg/kg. Among evaluated endpoints, ecotoxicity was the most active and was detected in several imidazolate ligands. This data can open new horizons in design and development of green MOFs.
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Affiliation(s)
- Reyhane Khezri
- Department of Occupational Health Engineering, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
| | - Seyed Jamaleddin Shahtaheri
- Department of Occupational Health Engineering, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
| | - Elahe Khezri
- Student Research Committee, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Mahdi Niknam Shahrak
- Department of Chemical Engineering, Faculty of Advanced Technologies, Quchan University of Technology, Quchan, Iran
| | - Monireh Khadem
- Department of Occupational Health Engineering, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
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Noga M, Jurowski K. Toxicity of Bromo-DragonFLY as a New Psychoactive Substance: Application of In Silico Methods for the Prediction of Key Toxicological Parameters Important to Clinical and Forensic Toxicology. Chem Res Toxicol 2024. [PMID: 39119730 DOI: 10.1021/acs.chemrestox.4c00105] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/10/2024]
Abstract
Bromo-DragonFLY is a synthetic new psychoactive substance (NPS) that has gained attention due to its powerful and long-lasting hallucinogenic effects, legal status, and widespread availability. This study aimed to use various in silico toxicology methods to predict key toxicological parameters for Bromo-DragonFLY, including acute toxicity (LD50), genotoxicity, cardiotoxicity, health effects, and the potential for endocrine disruption. The results indicate significant acute toxicity with noticeable variations across different species, a low likelihood of genotoxic potential suggesting potential DNA damage, and a notable risk of cardiotoxicity associated with inhibition of the hERG channel. Evaluation of endocrine disruption suggests a low probability of Bromo-DragonFLY interacting with the estrogen receptor α (ER-α), indicating minimal estrogenic activity. These insights from in silico investigations are important for advancing our understanding of this NPS in forensic and clinical toxicology. These initial toxicological examinations establish a foundation for future research efforts and contribute to developing risk assessment and management strategies for using and misusing NPS.
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Affiliation(s)
- Maciej Noga
- Department of Regulatory and Forensic Toxicology, Institute of Medical Expertises in Łódź, Ul. Aleksandrowska 67/93, 91-205 Łódź, Poland
| | - Kamil Jurowski
- Department of Regulatory and Forensic Toxicology, Institute of Medical Expertises in Łódź, Ul. Aleksandrowska 67/93, 91-205 Łódź, Poland
- Laboratory of Innovative Toxicological Research and Analyzes, Institute of Medical Studies, Medical College, Rzeszów University, Al. Mjr. W. Kopisto 2a, 35-959 Rzeszów, Poland
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Sajer BH, Alshehri WA, Alghamdi SS, Suliman RS, Albejad A, Hakmi H. Aspergillus Species from the Sabkha Marsh: Potential Antimicrobial and Anticancer Agents Revealed Through Molecular and Pharmacological Analysis. Biologics 2024; 18:207-228. [PMID: 39130166 PMCID: PMC11316488 DOI: 10.2147/btt.s472491] [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: 04/06/2024] [Accepted: 07/30/2024] [Indexed: 08/13/2024]
Abstract
Introduction This study aimed to investigate the fungal growth and diversity in the Sabkha marsh. The anti-bacterial properties of the isolated fungi were assessed using an agar disk diffusion assay, and the crude extracts were tested for their anticancer activities. Liquid chromatography-mass spectrometry was employed to identify the active compounds of the fungal secondary metabolites. In-silico studies were conducted to predict the toxicity, pharmacokinetic properties, and safety profiles of the identified compounds. Results The analysis revealed that the isolated fungi belonged to the Aspergillus species, specifically Aspergillus flavus and Aspergillus niger. The crude extract of A. flavus exhibited significant anticancer activity against various cancer cell lines, while the antifungal activities against pathogenic bacteria varied between the two fungi. Liquid chromatography-mass spectrometry analysis identified several compounds in the fungal isolates. In Aspergillus flavus, the compounds included Aflavinine, Dihydro-24-hydroxyaflavinine, Phomaligin A, Hydroxysydonic acid, Gregatin B, Pulvinulin A, Chrysogine, Aspergillic acid, Aflatoxin B1, and Aflatoxin G1. In Aspergillus niger, the compounds identified were atromentin, fonsecin B, firalenone, rubrofusarin, aurasperone E, aurasperone D, aurasperone C, nigerone, and αβ-dehydrocurvularin. Conclusion This study demonstrated promising fungal growth and diversity in the Sabkha marsh, with Aspergillus species being the most prevalent. The fungal crude extract showed anticancer activities against various cancer cell lines, while the antifungal activities against pathogenic bacteria varied between the two fungi. Future research should focus on investigating the antimicrobial activities of these fungi against multidrug-resistant bacteria and exploring the genetic changes in bacteria and cancer cells treated with these fungal extracts. Additionally, it is important to test the anticancer activity of the active compounds separately to determine which one is the active agent against cancer cells. This information can be used in drug development trials.
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Affiliation(s)
- Bayan H Sajer
- Biology Department, Faculty of Science, King Abdul Aziz University, Jeddah, Saudi Arabia
- Immunology Unit, King Fahd Medical Research Centre, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Wafa A Alshehri
- Department of Biological Sciences, College of Science, University of Jeddah, Jeddah, 23890, Saudi Arabia
| | - Sahar S Alghamdi
- Department of Pharmaceutical Sciences, College of PharmacyKing Saud Bin Abdul Aziz University for Health Sciences (KSAU-HS), Riyadh, Saudi Arabia
- King Abdullah International Medical Research Center, Riyadh, Saudi Arabia
| | - Rasha S Suliman
- Pharmacy department, Fatima College of health sciences, Abu Dhabi, United Arab Emirates
| | - Alhanouf Albejad
- Department of Biological Sciences, College of Science, University of Jeddah, Jeddah, 23890, Saudi Arabia
| | - Haifa Hakmi
- Department of Biological Sciences, College of Science, University of Jeddah, Jeddah, 23890, Saudi Arabia
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Niżnik Ł, Jabłońska K, Orczyk M, Orzechowska M, Toporowska-Kaźmierak J, Sowińska M, Jasińska J, Jurowski K. Toxicity of New Psychoactive Substance (NPS): Threo-4-methylmethylphenidate (4-Mmph) - Prediction of toxicity using in silico methods. Toxicol In Vitro 2024; 99:105891. [PMID: 38972515 DOI: 10.1016/j.tiv.2024.105891] [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: 03/06/2024] [Revised: 06/28/2024] [Accepted: 07/03/2024] [Indexed: 07/09/2024]
Abstract
This study represents the first application of in silico methods to evaluate the toxicity of 4-methylphenidate (4-Mmph), a new psychoactive substance (NPS). Using advanced in silico toxicology tools, it was feasible to anticipate key aspects of 4-Mmph's toxicological profile, including acute toxicity (LD50), genotoxicity, cardiotoxicity, and possible endocrine disruption. The findings indicate significant acute toxicity with variability among species, a high potential for adverse effects in the gastrointestinal system and lungs, a low genotoxic potential, a significant likelihood of skin irritation, and a notable cardiotoxicity risk associated with hERG channel inhibition. Evaluation of endocrine disruption revealed a low likelihood that 4-Mmph interacts with the estrogen receptor alpha (ER-α), indicating minimal estrogenic activity. These insights, derived from in silico studies, play a crucial role in improving the comprehension of 4-Mmph in forensic and clinical toxicology. These initial toxicological inquiries establish the foundation for future investigations and help formulate risk assessment and management strategies regarding the use and abuse of NPS. This article is part of a larger project funded by the Polish Ministry of Education and Science, titled "Toxicovigilance, Poisoning Prevention, and First Aid in Poisoning with Xenobiotics of Current Clinical Importance in Poland" (Grant Number SKN/SP/570184/2023).
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Affiliation(s)
- Łukasz Niżnik
- Department of Regulatory and Forensic Toxicology, Institute of Medical Expertises in Łódź, ul. Aleksandrowska 67/93, 91-205 Łódź, Poland
| | - Karolina Jabłońska
- Toxicological Science Club 'Paracelsus', Institute of Medical Sciences, Medical College, Rzeszów University, Al. mjr. W. Kopisto 2a, 35-959 Rzeszów, Poland
| | - Michał Orczyk
- Toxicological Science Club 'Paracelsus', Institute of Medical Sciences, Medical College, Rzeszów University, Al. mjr. W. Kopisto 2a, 35-959 Rzeszów, Poland
| | - Martyna Orzechowska
- Toxicological Science Club 'Paracelsus', Institute of Medical Sciences, Medical College, Rzeszów University, Al. mjr. W. Kopisto 2a, 35-959 Rzeszów, Poland
| | - Joanna Toporowska-Kaźmierak
- Toxicological Science Club 'Paracelsus', Institute of Medical Sciences, Medical College, Rzeszów University, Al. mjr. W. Kopisto 2a, 35-959 Rzeszów, Poland
| | - Marta Sowińska
- Toxicological Science Club 'Paracelsus', Institute of Medical Sciences, Medical College, Rzeszów University, Al. mjr. W. Kopisto 2a, 35-959 Rzeszów, Poland
| | - Judyta Jasińska
- Toxicological Science Club 'Paracelsus', Institute of Medical Sciences, Medical College, Rzeszów University, Al. mjr. W. Kopisto 2a, 35-959 Rzeszów, Poland
| | - Kamil Jurowski
- Department of Regulatory and Forensic Toxicology, Institute of Medical Expertises in Łódź, ul. Aleksandrowska 67/93, 91-205 Łódź, Poland; Laboratory of Innovative Toxicological Research and Analyses, Institute of Medical Sciences, Medical College, Rzeszów University, Al. mjr. W. Kopisto 2a, 35-959 Rzeszów, Poland.
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Vaithiyalingam M, Mohan Kumar R, Khagar P, Sabarathinam S, Alghazwani Y, Chidambaram K. Isolation of 6-gingerol and semi-synthesis of 1,4-benzodiazepines derivatives: An in-situ pharmacokinetics properties, molecular docking and molecular dynamics simulation assessments. Saudi J Biol Sci 2024; 31:104048. [PMID: 38988339 PMCID: PMC11234153 DOI: 10.1016/j.sjbs.2024.104048] [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: 01/12/2024] [Revised: 05/31/2024] [Accepted: 06/07/2024] [Indexed: 07/12/2024] Open
Abstract
This paper outlines a methodical approach for isolating 6-gingerol (1a) from Zingiber officinale Roscoe rhizomes on a gram-scale, resulting in a product of high purity and significant yield. Further, 6-gingerol (1a) [SSG1] derivatives, including 1-(4-hydroxy-3-methoxyphenyl)decane-3,5-dione (1ab), were synthesized via a semi-synthetic pathway involving DMP-mediated fast oxidation and replication. Subsequently, a new series of 1,4-benzodiazepines (3a-c) was synthesized quantitatively using a basic technique. This synthesis necessitated the interaction of 1ab with various o-phenylenediamine (2a-c) compounds. Spectroscopic methods were employed to characterize the synthesized 1,4-benzodiazepines (3a-c)[SSG2, SSG3 & SSG4]. Despite extensive investments by pharmaceutical companies in traditional drug research and development for diseases like type 2 diabetes (T2D), successful treatments remain elusive. Medication repurposing has gained traction as a strategy to address not only diabetes but also other disorders. Leveraging existing molecular pharmacology data accelerates the development of new medications. This paper underscores the importance of repurposing traditional medicines to combat a range of communicable and non-communicable diseases, offering a promising avenue for therapeutic advancement. Additionally, molecular docking studies suggested that one derivative (SSG2) exhibited stronger binding affinity compared to the reference standards. Overall, the findings of this study highlight the potential of semi-synthetic gingerol derivatives for the development of novel therapeutic agents.
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Affiliation(s)
- Mariyappan Vaithiyalingam
- Department of Chemistry, Faculty of Engineering and Technology, SRM Institute of Science and Technology, Kattankulathur, Chennai, Tamil Nadu 603 203, India
| | - Ramasamy Mohan Kumar
- Department of Chemistry, Faculty of Engineering and Technology, SRM Institute of Science and Technology, Kattankulathur, Chennai, Tamil Nadu 603 203, India
- Interdisciplinary Institute of Indian System of Medicine, SRM Institute of Science and Technology, Kattankulathur, Chennai, Tamil Nadu 603 203, India
| | - Prerna Khagar
- Department of Chemistry, Visvesvaraya National Institute of Technology, Nagpur 440010 MS India
| | - Sarvesh Sabarathinam
- Interdisciplinary Institute of Indian System of Medicine, SRM Institute of Science and Technology, Kattankulathur, Chennai, Tamil Nadu 603 203, India
| | - Yahia Alghazwani
- Department of Pharmacology, College of Pharmacy, King Khalid University, Al-Qara, Asir Province, Saudi Arabia
| | - Kumarappan Chidambaram
- Department of Pharmacology & Toxicology, College of Pharmacy, King Khalid University, Abha 62529, Saudi Arabia
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de Barros RC, Araujo da Costa R, Farias SDP, de Albuquerque KCO, Marinho AMR, Campos MB, Marinho PSB, Dolabela MF. In silico studies on leishmanicide activity of limonoids and fatty acids from Carapa guianensis Aubl. Front Chem 2024; 12:1394126. [PMID: 39139919 PMCID: PMC11319150 DOI: 10.3389/fchem.2024.1394126] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2024] [Accepted: 07/01/2024] [Indexed: 08/15/2024] Open
Abstract
The oil of Carapa guianensis showed leishmanicidal activity, with its activity being related to limonoids, but fatty acids are the major constituents of this oil. The present study evaluated the physicochemical, pharmacokinetic, and toxicity profiles of limonoids and fatty acids already identified in the species. Based on these results, 2 limonoids (methyl angosinlate, 6-OH-methyl angosinlate) and 2 fatty acids (arachidic acid; myristic acid) were selected for the prediction of possible targets and molecular docking. Included in this study were: Gedunin, 6α-acetoxygedunin, Methyl angosenlato, 7-deacetoxy-7-oxogedunin, Andirobin, 6-hydroxy-angolensate methyl, 17β-hydroxyazadiradione, 1,2-dihydro-3β-hydroxy-7-deacetoxy-7-oxogedunin, xyllocensin k, 11beta-Hydroxygedunin, 6α,11-11β-diacetoxygedunin, Oleic Acid, Palmitic Acid, Stearic Acid, Arachidic Acid, Myristic Acid, Palmitoleic Acid, Linoleic Acid, Linolenic Acid, and Beenic Acid. Regarding physicochemical aspects, fatty acids violated LogP, and only limonoid 11 violated Lipinski's rule. A common pharmacokinetic aspect was that all molecules were well absorbed in the intestine and inhibited CYP. All compounds showed toxicity in some model, with fatty acids being mutagenic and carcinogenic, and limonoids not being mutagenic and carcinogenic at least for rats. In in vivo models, fatty acids were less toxic. Molecular dockings were performed on COX-2 steroids (15 and 16) and hypoxia-inducible factor 1 alpha for limonoids (3,6), with this target being essential for the intracellular development of leishmania. Limonoids 3 and 6 appear to be promising as leishmanicidal agents, and fatty acids are promising as wound healers.
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Affiliation(s)
| | | | | | | | | | | | | | - Maria Fani Dolabela
- Pharmaceutical Sciences Postgraduate Program, Federal University of Pará, Belém, PA, Brazil
- Faculty of Pharmacy, Federal University of Pará, Belém, PA, Brazil
- Biotechnology and Biodiversity Postgraduate Program (BIONORTE), Federal University of Pará, Belém, PA, Brazil
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Banerjee P, Ulker O, Ozkan I, Ulker OC. The investigation of the toxicity of organophosphorus flame retardants (OPFRs) by using in silico toxicity prediction platform ProTox- 3.0. Toxicol Mech Methods 2024:1-11. [PMID: 39054571 DOI: 10.1080/15376516.2024.2382815] [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: 06/04/2024] [Revised: 07/12/2024] [Accepted: 07/16/2024] [Indexed: 07/27/2024]
Abstract
From the past to the present, many chemicals have been used for the purpose of flame retardant. Due to PBDEs' (Polybrominated diphenyl ether) lipophilic and accumulative properties, some of them are banned from the market. As an alternative to these chemicals, OPFRs (organophosphorus flame retardants) have started to be used as flame retardants. In this article, acute toxicity profiles, mutagenicity, carcinogenicity, blood-brain barrier permeability, ecotoxicity and nutritional toxicity as also AHR, ER affinity and MMP, aromatase affinity, CYP2C9, CYP3A4 interaction of the of 16 different compounds of the OPFRs were investigated using a computational toxicology method; ProTox- 3.0. According to our results, eight compounds were found to be active in terms of carcinogenic effect, whereas two compounds were found to be active for mutagenicity. On the other hand, all compounds were found to be active in terms of blood-barrier permeability. Fourteen compounds and four compounds are found to have ecotoxic and nutritional toxic potency, respectively. Eight compounds were determined as active to AhR, and four chemicals were found to be active in Estrogen Receptor alpha. Eight chemicals were found to be active in terms of mitochondrial membrane potency. Lastly, three chemicals were found to be active in aromatase enzymes. In terms of CYP interaction potencies, eight compounds were found to be active in both CYP2C9 and CYP3A4. This research provided novel insights into the potential toxic effects of OPFRs. However, further studies are needed to evaluate their toxicity. Moreover, these findings lay the groundwork for in vitro and in vivo toxicity research.
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Affiliation(s)
- Priyanka Banerjee
- Institute of Physiology, Charité - Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany
| | - Onur Ulker
- Faculty of Architecture and Design, Department of Interior Architecture, Eskişehir Technical University, Eskişehir, Turkiye
| | - Irem Ozkan
- Institute of Health Sciences, Department of Pharmaceutical Toxicology, Ankara University, Ankara, Turkiye
| | - Ozge Cemiloglu Ulker
- Faculty of Pharmacy, Department of Pharmaceutical Toxicology, Ankara University, Ankara, Turkiye
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Konyanee A, Chaniad P, Chukaew A, Payaka A, Septama AW, Phuwajaroanpong A, Plirat W, Punsawad C. Antiplasmodial potential of isolated xanthones from Mesua ferrea Linn. roots: an in vitro and in silico molecular docking and pharmacokinetics study. BMC Complement Med Ther 2024; 24:282. [PMID: 39054443 PMCID: PMC11270968 DOI: 10.1186/s12906-024-04580-5] [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: 11/20/2023] [Accepted: 07/03/2024] [Indexed: 07/27/2024] Open
Abstract
BACKGROUND Malaria is a major global health concern, particularly in tropical and subtropical countries. With growing resistance to first-line treatment with artemisinin, there is an urgent need to discover novel antimalarial drugs. Mesua ferrea Linn., a plant used in traditional medicine for various purposes, has previously been investigated by our research group for its cytotoxic properties. The objective of this study was to explore the compounds isolated from M. ferrea with regards to their potential antiplasmodial activity, their interaction with Plasmodium falciparum lactate dehydrogenase (PfLDH), a crucial enzyme for parasite survival, and their pharmacokinetic and toxicity profiles. METHODS The isolated compounds were assessed for in vitro antiplasmodial activity against a multidrug-resistant strain of P. falciparum K1 using a parasite lactate dehydrogenase (pLDH) assay. In vitro cytotoxicity against Vero cells was determined using the MTT (3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide) assay. The interactions between the isolated compounds and the target enzyme PfLDH were investigated using molecular docking. Additionally, pharmacokinetic and toxicity properties were estimated using online web tools SwissADME and ProTox-II, respectively. RESULTS Among the seven compounds isolated from M. ferrea roots, rheediachromenoxanthone (5), which belongs to the pyranoxanthone class, demonstrated good in vitro antiplasmodial activity, with the IC50 being 19.93 µM. Additionally, there was no toxicity towards Vero cells (CC50 = 112.34 µM) and a selectivity index (SI) of 5.64. Molecular docking analysis revealed that compound (5) exhibited a strong binding affinity of - 8.6 kcal/mol towards PfLDH and was stabilized by forming hydrogen bonds with key amino acid residues, including ASP53, TYR85, and GLU122. Pharmacokinetic predictions indicated that compound (5) possessed favorable drug-like properties and desired pharmacokinetic characteristics. These include high absorption in the gastrointestinal tract, classification as a non-substrate of permeability glycoprotein (P-gp), non-inhibition of CYP2C19, ease of synthesis, a high predicted LD50 value of 4,000 mg/kg, and importantly, non-hepatotoxic, non-carcinogenic, and non-cytotoxic effects. CONCLUSIONS This study demonstrated that compounds isolated from M. ferrea exhibit activity against P. falciparum. Rheediachromenoxanthone has significant potential as a scaffold for the development of potent antimalarial drugs.
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Affiliation(s)
- Atthaphon Konyanee
- College of Graduate Studies, Walailak University, Nakhon Si Thammarat, 80160, Thailand
- Research Center in Tropical Pathobiology, Walailak University, Nakhon Si Thammarat, 80160, Thailand
| | - Prapaporn Chaniad
- School of Medicine, Walailak University, Nakhon Si Thammarat, 80160, Thailand
- Research Center in Tropical Pathobiology, Walailak University, Nakhon Si Thammarat, 80160, Thailand
| | - Arnon Chukaew
- Chemistry Department, Faculty of Science and Technology, Suratthani Rajabhat University, Surat Thani, 84100, Thailand
| | - Apirak Payaka
- School of Science, Walailak University, Nakhon Si Thammarat, 80160, Thailand
| | - Abdi Wira Septama
- Research Center for Pharmaceutical Ingredient and Traditional Medicine, Cibinong Science Center, National Research and Innovation Agency (BRIN), West Java, 16915, Indonesia
| | - Arisara Phuwajaroanpong
- College of Graduate Studies, Walailak University, Nakhon Si Thammarat, 80160, Thailand
- Research Center in Tropical Pathobiology, Walailak University, Nakhon Si Thammarat, 80160, Thailand
| | - Walaiporn Plirat
- College of Graduate Studies, Walailak University, Nakhon Si Thammarat, 80160, Thailand
- Research Center in Tropical Pathobiology, Walailak University, Nakhon Si Thammarat, 80160, Thailand
| | - Chuchard Punsawad
- School of Medicine, Walailak University, Nakhon Si Thammarat, 80160, Thailand.
- Research Center in Tropical Pathobiology, Walailak University, Nakhon Si Thammarat, 80160, Thailand.
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Raen R, Islam MM, Islam R, Islam MR, Jarin T. Functional characterization and structural prediction of hypothetical proteins in monkeypox virus and identification of potential inhibitors. Mol Divers 2024:10.1007/s11030-024-10935-4. [PMID: 39043911 DOI: 10.1007/s11030-024-10935-4] [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: 03/27/2024] [Accepted: 07/10/2024] [Indexed: 07/25/2024]
Abstract
The excessive activation of the monkeypox virus (MPXV-Congo_8-156) is linked to various skin and respiratory disorders such as rashes, fluid-filled blisters, swollen lymph nodes and encephalitis (inflammation of the brain), highlighting MPXV-Congo_8-156 as a promising target for drug intervention. Despite the effectiveness of Cidofovir, in inhibiting MPXV activity, its limited ability to penetrate the skin and its strong side effects restrict its application. To address this challenge, we screened 500 compounds capable of penetrating the skin and gastrointestinal tract to identify potent MPXV inhibitors. Various characterization schemes and structural models of MPXV-Congo_8-156 were explored with bioinformatics tools like PROTPARAM, SOPMA, SWISS-MODEL and PROCHECK. Using molecular docking in PyRx, we evaluated the binding affinities of these compounds with MPXV-Congo_8-156 and identified the top five candidates ranging from - 9.2 to - 8.8 kcal/mol. ADMET analysis indicated that all five compounds were safer alternatives, showing no AMES toxicity or carcinogenicity in toxicological assessments. Molecular dynamics (MD) simulations, conducted for 100 ns each, confirmed the docking interactions of the top five compounds alongside the control (Cidofovir), validating their potential as MPXV inhibitors. The compounds with PubChem CID numbers 4061636, 4422538, 3583576, 4856107 and 4800629 demonstrated strong support in terms of root-mean-square deviation (RMSD), root-mean-square fluctuation (RMSF), radius of gyration (Rg), solvent-accessible surface area (SASA) value, hydrogen bond analysis, and Molecular Mechanics Poisson-Boltzmann Surface Area (MM-PBSA) analysis. Thus, our investigation identified these five compounds as promising inhibitors of MPXV, offering potential therapeutic avenues. However, further in vivo studies are necessary to validate our findings.
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Affiliation(s)
- Reana Raen
- Department of Biomedical Engineering, Khulna University of Engineering & Technology, Khulna, Bangladesh.
- Department of Biomedical Engineering, Chittagong University of Engineering & Technology, Chittagong, Bangladesh.
| | - Muhammad Muinul Islam
- Department of Biomedical Engineering, Khulna University of Engineering & Technology, Khulna, Bangladesh
| | - Redwanul Islam
- Department of Biomedical Engineering, Khulna University of Engineering & Technology, Khulna, Bangladesh
| | - Md Rabiul Islam
- Department of Electrical and Electronic Engineering, Jashore University of Science & Technology, Jashore, Bangladesh
| | - Tanima Jarin
- Department of Agriculture, Sher-e-Bangla Agricultural University, Dhaka, Bangladesh
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Tesfaye D, Endale M, Ramachandran VP, Getaneh E, Amenu G, Guta L, Demissie TB, Ombito JO, Eswaramoorthy R, Melaku Y. Antibacterial and Cytotoxicity of Extracts and Isolated Compounds from Artemisia abyssinica: A Combined Experimental and Computational Study. ACS OMEGA 2024; 9:31508-31520. [PMID: 39072116 PMCID: PMC11270564 DOI: 10.1021/acsomega.4c01096] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/07/2024] [Revised: 06/11/2024] [Accepted: 06/19/2024] [Indexed: 07/30/2024]
Abstract
Artemisia abyssinica is a widely cultivated hedge plant in Ethiopia. Traditionally, they have been used to treat a variety of health conditions, including intestinal problems, infectious diseases, tonsillitis, and leishmaniasis. Silica gel chromatographic separation of the methanol and ethyl acetate extracts of the leaves, roots, and stem barks of A. abyssinica led to the isolation of 12 compounds, labeled as 1-12. Among these, compounds 1, 3, 4, 5, and 7-11 are reported as new to the genus Artemisia. The extracts and isolated compounds from A. abyssinica were evaluated for their in vitro antibacterial activity against four bacterial strains: Streptococcus pyogenes, Staphylococcus aureus, Pseudomonas aeruginosa, and Escherichia coli, using the disc diffusion assay. All of the extracts displayed weak antibacterial activity, with inhibition zone diameters (IZDs) ranging from 6.10 ± 0.3 to 9.30 ± 0.20 mm. The isolated compounds, on the other hand, exhibited weak to moderate antibacterial activity, with IZDs ranging from 6.00 ± 0.300 to 13.50 ± 0.50 mm. The most potent antibacterial activity was observed for compound 6, which showed an IZD of 13.30 ± 0.50 mm against E. coli and 13.50 ± 0.50 mm against P. aeruginosa. This activity was comparable to that of the positive control ceftriaxone, which had IZDs of 14.1 ± 0.3 and 13.8 ± 0.5 mm against E. coli and P. aeruginosa, respectively. The in silico molecular docking analysis against DNA gyrase B revealed that compound 5 showed a higher binding affinity (-6.9 kcal/mol), followed by compound 10 (-6.7 kcal/mol) and compound 12 (-6.3 kcal/mol), whereas ciprofloxacin showed -7.3 kcal/mol. The binding affinities of compounds 5, 11, 10, and 9 were found to be -5.0, -4.3, -4.2, and -4.0 kcal/mol against S. aureus Pyruvate kinase, respectively, whereas ciprofloxacin showed a binding affinity of -4.9 kcal/mol, suggesting that compound 5 had a better binding affinity compared with ciprofloxacin. The effect of extracts of A. abyssinica was evaluated for cytotoxic activity against the breast cancer cell line (MCF-7) by the MTT assay. The extracts induced a decrease in cell viability and exerted a cytotoxic effect at a concentration of 20 μg/mL. The highest percent cell viability was observed for the methanol extract of the stem (92.9%), whereas the least was observed for the methanol extract of the root (34.5%). The result of the latter was significant compared with the positive control. The binding affinities of the isolated compounds were also assessed against human topoisomerase inhibitors IIβ. Results showed that compound 5 showed a binding affinity of -6.0 kcal/mol, followed by 11 (-5.4 kcal/mol), 10 (-5.0 kcal/mol), and 11 (-4.9 kcal/mol). Similar to ciprofloxacin, compounds 4, 5, 6, 9, 10, and 12 comply with Lipinski's rule of five. Overall, the comprehensive investigation of the chemical constituents and their biological activities reinforces the traditional medicinal applications of A. abyssinica and warrants further exploration of this plant as a source of novel therapeutic agents.
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Affiliation(s)
- Dawit Tesfaye
- Department
of Applied Chemistry, Adama Science and
Technology University, P.O. Box 1888, Adama, Ethiopia
| | - Milkyas Endale
- Traditional
and Modern Medicine Research and Development Directorate, Armauer Hansen Research Institute, P.O. Box 1242, Addis Ababa 1165, Ethiopia
| | | | - Emebet Getaneh
- Department
of Applied Biology, Adama Science and Technology
University, P.O. Box 1888, Adama 311-2118 Ethiopia
| | - Guta Amenu
- Department
of Applied Biology, Adama Science and Technology
University, P.O. Box 1888, Adama 311-2118 Ethiopia
| | - Leta Guta
- Department
of Applied Biology, Adama Science and Technology
University, P.O. Box 1888, Adama 311-2118 Ethiopia
| | - Taye B. Demissie
- Department
of Chemistry, University of Botswana, Gaborone P/Bag 00704, Botswana
| | - Japheth O. Ombito
- Department
of Chemistry, University of Botswana, Gaborone P/Bag 00704, Botswana
| | - Rajalakshmanan Eswaramoorthy
- Department
of Biomaterials, Saveetha Dental College and Hospitals, Saveetha Institute
of Medical and Technical Sciences (SIMATS), Saveetha University, Chennai 600 077, India
| | - Yadessa Melaku
- Department
of Applied Chemistry, Adama Science and
Technology University, P.O. Box 1888, Adama, Ethiopia
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11
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Dhanasekaran S, Selvadoss PP, Manoharan SS, Jeyabalan S, Yaraguppi DA, Choudhury AA, Rajeswari VD, Ramanathan G, Thamaraikani T, Sekar M, Subramaniyan V, Shing WL. Regulation of NS5B Polymerase Activity of Hepatitis C Virus by Target Specific Phytotherapeutics: An In-Silico Molecular Dynamics Approach. Cell Biochem Biophys 2024:10.1007/s12013-024-01359-w. [PMID: 39042185 DOI: 10.1007/s12013-024-01359-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/11/2024] [Indexed: 07/24/2024]
Abstract
Chronic hepatitis caused by the hepatitis C virus (HCV) is closely linked with the advancement of liver disease. The research hypothesis suggests that the NS5B enzyme (non-structural 5B protein) of HCV plays a pivotal role in facilitating viral replication within host cells. Hence, the objective of the present investigation is to identify the binding interactions between the structurally diverse phytotherapeutics and those of the catalytic residue of the target NS5B polymerase protein. Results of our docking simulations reveal that compounds such as arjunolic acid, sesamin, arjungenin, astragalin, piperic acid, piperidine, piperine, acalyphin, adhatodine, amyrin, anisotine, apigenin, cuminaldehyde, and curcumin exhibit a maximum of three interactions with the catalytic residues (Asp 220, Asp 318, and Asp 319) present on the Hepatitis C virus NS5B polymerase of HCV. Molecular dynamic simulation, particularly focusing on the best binding lead compound, arjunolic acid (-8.78 kcal/mol), was further extensively analyzed using RMSD, RMSF, Rg, and SASA techniques. The results of the MD simulation confirm that the NS5B-arjunolic acid complex becomes increasingly stable from 20 to 100 ns. The orientation of both arjunolic acid and sofosbuvir triphosphate (standard) within the active site was investigated through DCCM, PCA, and FEL analysis, indicating highly stable interactions of the lead arjunolic acid with the catalytic region of the NS5B enzyme. The findings of our current investigation suggest that bioactive therapeutics like arjunolic acid could serve as promising candidates for limiting the NS5B polymerase activity of the hepatitis C virus, offering hope for the future of HCV treatment.
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Affiliation(s)
- Sivaraman Dhanasekaran
- Department of Biotechnology, School of Energy Technology, Pandit Deendayal Energy University, Knowledge Corridor, Raisan Village, PDPU Road, Gandhinagar, Gujarat, 382426, India.
| | - Pradeep Pushparaj Selvadoss
- Department of Biotechnology, School of Energy Technology, Pandit Deendayal Energy University, Knowledge Corridor, Raisan Village, PDPU Road, Gandhinagar, Gujarat, 382426, India
| | - Solomon Sundar Manoharan
- Department of Biotechnology, School of Energy Technology, Pandit Deendayal Energy University, Knowledge Corridor, Raisan Village, PDPU Road, Gandhinagar, Gujarat, 382426, India
| | - Srikanth Jeyabalan
- Sri Ramachandra Institute of Higher Education and Research, Chennai, Tamil Nadu, 600116, India
| | | | | | - V Devi Rajeswari
- Vellore Institute of Technology, Vellore, 632014, Tamil Nadu, India
| | | | | | - Mahendran Sekar
- Monash University, Bandar Sunway, Subang Jaya, Selangor, 47500, Malaysia
| | | | - Wong Ling Shing
- INTI International University, Nilai, Negeri Sembilan, 71800, Malaysia
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12
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Haque A, Alenezi KM, Abdul Rasheed MSM. Identification of imidazole-based small molecules to combat cognitive disability caused by Alzheimer's disease: A molecular docking and MD simulations based approach. Comput Biol Chem 2024; 112:108152. [PMID: 39038422 DOI: 10.1016/j.compbiolchem.2024.108152] [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: 04/19/2024] [Revised: 06/27/2024] [Accepted: 07/12/2024] [Indexed: 07/24/2024]
Abstract
Alzheimer's disease (AD) is a chronic neurodegenerative disorder that is the primary cause of dementia. It is characterised by the gradual loss of brain cells, which results in memory loss and cognitive dysfunction. One of the hallmarks of AD is an abnormally upregulated glutaminyl-peptide cyclotransferase (QPCT or QC) enzyme. Not only AD, but QC has also been implicated with pathological conditions like Huntington's disease (HD), melanomas, carcinomas, atherosclerosis, and septic arthritis. Therefore, the inhibition of QC emerged as a potential strategy for preventing multiple pathological conditions. Considering this, we screened a library of 153,536 imidazole-based compounds against a doubly mutant (Y115E-Y117E) QC target. Molecular docking based virtual screening and absorption, distribution, metabolism, excretion/toxicity (ADME/T) predictions identified five compounds, namely 118981836, 136459842, 139388116, 139388226, and 139958725. Furthermore, molecular dynamics (MD) simulations of 500 ns were conducted to investigate the behaviour of the identified compounds with the target receptor. The results were compared to the co-ligand by analysing RMSD, RMSF, and SASA parameters. To our knowledge, this is the first computational study that employed a protein with double mutation to identify new imidazole-based QC-inhibitors.
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Affiliation(s)
- Ashanul Haque
- Department of Chemistry, College of Science, University of Hail, Kingdom of Saudi Arabia.
| | - Khalaf M Alenezi
- Department of Chemistry, College of Science, University of Hail, Kingdom of Saudi Arabia
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13
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Bakhite E, Mohamed SK, Lai CH, Subramani K, Marae IS, Abuelhassan S, Soliman AAE, Youssef MSK, Abuelizz HA, Mague JT, Al-Salahi R, El Bakri Y. Synthesis, Crystal Structure, Hirshfeld Surface Analysis, and Computational Approach of a New Pyrazolo[3,4- g]isoquinoline Derivative as Potent against Leucine-Rich Repeat Kinase 2 (LRRK2). ACS OMEGA 2024; 9:30751-30770. [PMID: 39035914 PMCID: PMC11256088 DOI: 10.1021/acsomega.4c03208] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 04/04/2024] [Revised: 06/22/2024] [Accepted: 06/25/2024] [Indexed: 07/23/2024]
Abstract
Ethyl-2-((8-cyano-3,5,9a-trimethyl-1-(4-oxo-4,5-dihydrothiazol-2-yl)-4-phenyl-3a,4,9,9a-tetrahydro-1H-pyrazolo[3,4-g]isoquinolin-7-yl)thio)acetate (5) was synthesized, and its structure was characterized by IR, MS, and NMR (1H and 13C) and verified by a single-crystal X-ray structure determination. Compound 5 adopts a "pincer" conformation. In the crystal, the hydrogen bonds of -H···O, C-H···O, and O-H···S form thick layers of molecules that are parallel to (101). The layers are linked by C-H···π(ring) interactions. The Hirshfeld surface analysis shows that intermolecular hydrogen bonding plays a more important role than both intramolecular hydrogen bonding and π···π stacking in the crystal. The intramolecular noncovalent interactions in 5 were studied by QTAIM, NCI, and DFT-NBO calculations. Based on structural activity relationship studies, leucine-rich repeat kinase 2 (LRRK2) was found to bind 5 and was further subjected to molecular docking studies, molecular dynamics, and ADMET analysis to probe potential drug candidacy.
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Affiliation(s)
- Etify
A. Bakhite
- Department
of Chemistry, Faculty of Science, Assiut
University, Assiut 71516, Egypt
| | - Shaaban Kamel Mohamed
- Chemistry
and Environmental Division, Manchester Metropolitan
University, Manchester M1 5GD, England
- Chemistry
Department, Faculty of Science, Minia University, El-Minia 61519, Egypt
| | - Chin-Hung Lai
- Department
of Medical Applied Chemistry, Chung Shan
Medical University, Taichung 40241, Taiwan
- Department
of Medical Education, Chung Shan Medical
University Hospital, Taichung 40201, Taiwan
| | - Karthikeyan Subramani
- Center
for
Healthcare Advancement, Innovation and Research, Vellore Institute of Technology University, Chennai Campus, Chennai 600127, India
| | - Islam S. Marae
- Department
of Chemistry, Faculty of Science, Assiut
University, Assiut 71516, Egypt
| | - Suzan Abuelhassan
- Department
of Chemistry, Faculty of Science, Assiut
University, Assiut 71516, Egypt
| | | | | | - Hatem A. Abuelizz
- Department
of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, Riyadh 11451, Saudi Arabia
| | - Joel T. Mague
- Department
of Chemistry, Tulane University, New Orleans, Louisiana 70118, United States
| | - Rashad Al-Salahi
- Department
of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, Riyadh 11451, Saudi Arabia
| | - Youness El Bakri
- Department
of Theoretical and Applied Chemistry, South
Ural State University, Lenin prospect 76, Chelyabinsk 454080, Russian Federation
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14
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Banerjee P, Kemmler E, Dunkel M, Preissner R. ProTox 3.0: a webserver for the prediction of toxicity of chemicals. Nucleic Acids Res 2024; 52:W513-W520. [PMID: 38647086 PMCID: PMC11223834 DOI: 10.1093/nar/gkae303] [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: 02/09/2024] [Revised: 03/26/2024] [Accepted: 04/09/2024] [Indexed: 04/25/2024] Open
Abstract
Interaction with chemicals, present in drugs, food, environments, and consumer goods, is an integral part of our everyday life. However, depending on the amount and duration, such interactions can also result in adverse effects. With the increase in computational methods, the in silico methods can offer significant benefits to both regulatory needs and requirements for risk assessments and the pharmaceutical industry to assess the safety profile of a chemical. Here, we present ProTox 3.0, which incorporates molecular similarity and machine-learning models for the prediction of 61 toxicity endpoints such as acute toxicity, organ toxicity, clinical toxicity, molecular-initiating events (MOE), adverse outcomes (Tox21) pathways, several other toxicological endpoints and toxicity off-targets. All the ProTox 3.0 models are validated on independent external sets and have shown strong performance. ProTox envisages itself as a complete, freely available computational platform for in silico toxicity prediction for toxicologists, regulatory agencies, computational chemists, and medicinal chemists. The ProTox 3.0 webserver is free and open to all users, and there is no login requirement and can be accessed via https://tox.charite.de. The web server takes a 2D chemical structure as input and reports the toxicological profile of the compound for each endpoint with a confidence score and overall toxicity radar plot and network plot.
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Affiliation(s)
- Priyanka Banerjee
- Institute for Physiology & Science-IT, Charité – University Medicine Berlin, 10115 Berlin, Germany
- Member of the KFO 339: Food Allergy and Tolerance (Food@), Clinical Research Unit funded by the German Research Foundation, Berlin, Germany
| | - Emanuel Kemmler
- Institute for Physiology & Science-IT, Charité – University Medicine Berlin, 10115 Berlin, Germany
- Member of the KFO 339: Food Allergy and Tolerance (Food@), Clinical Research Unit funded by the German Research Foundation, Berlin, Germany
| | - Mathias Dunkel
- Institute for Physiology & Science-IT, Charité – University Medicine Berlin, 10115 Berlin, Germany
| | - Robert Preissner
- Institute for Physiology & Science-IT, Charité – University Medicine Berlin, 10115 Berlin, Germany
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15
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Wei C, Zhang H, Niu L, Zhong Q, Yan H, Wang J. 4D-QSAR, ADMET properties, and molecular dynamics simulations for designing N-substituted urea/thioureas as human glutaminyl cyclase inhibitors. Comput Biol Chem 2024; 112:108131. [PMID: 38968781 DOI: 10.1016/j.compbiolchem.2024.108131] [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: 05/06/2024] [Revised: 06/11/2024] [Accepted: 06/13/2024] [Indexed: 07/07/2024]
Abstract
Human glutaminyl cyclase (hQC) inhibitors have great potential to be used as anti- Alzheimer's disease (AD) agents by reducing the toxic pyroform of β-amyloid in the brains of AD patients. The four-dimensional quantitative structure activity relationship (4D-QSAR) model of N-substituted urea/thioureas was established with satisfying predictive ability and statistical reliability (Q2 = 0.521, R2 = 0.933, R2prep = 0.619). By utilizing the developed 4D-QSAR model, a set of new N-substituted urea/thioureas was designed and evaluated for their Absorption Distribution Metabolism Excretion and Toxicity (ADMET) properties. The results of molecular dynamics (MD) simulations, Principal component analysis (PCA), free energy landscape (FEL), dynamic cross-correlation matrix (DCCM) and molecular mechanics generalized Born Poisson-Boltzmann surface area (MM-PBSA) free energy calculations, revealed that the designed compounds were remained stable in protein binding pocket and compounds b ∼ f (-35.1 to -44.55 kcal/mol) showed higher binding free energy than that of compound 14 (-33.51 kcal/mol). The findings of this work will be a theoretical foundation for further research and experimental validation of urea/thiourea derivatives as hQC inhibitors.
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Affiliation(s)
- Chaochun Wei
- College of Chemistry and Life Science, Beijing University of Technology, Beijing 100124, PR China
| | - Haolin Zhang
- College of Chemistry and Life Science, Beijing University of Technology, Beijing 100124, PR China
| | - Lexuan Niu
- College of Chemistry and Life Science, Beijing University of Technology, Beijing 100124, PR China
| | - Qidi Zhong
- School of Pharmacy, North China University of Science and Technology, Tangshan 063210, PR China
| | - Hong Yan
- College of Chemistry and Life Science, Beijing University of Technology, Beijing 100124, PR China.
| | - Juan Wang
- College of Chemistry and Life Science, Beijing University of Technology, Beijing 100124, PR China.
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16
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Rajan RK, Engels M, Ramanathan M. Predicting phase-I metabolism of piceatannol: an in silico study. In Silico Pharmacol 2024; 12:52. [PMID: 38854674 PMCID: PMC11153392 DOI: 10.1007/s40203-024-00228-x] [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: 08/30/2023] [Accepted: 05/28/2024] [Indexed: 06/11/2024] Open
Abstract
Piceatannol is a natural compound found in plants and can be derived from resveratrol. While resveratrol has been extensively researched for its effects and how the body processes it, there are concerns about its use. These concerns include its limited absorption in the body, the need for specific dosages, potential interactions with other drugs, lack of standardization, and limited clinical evidence to support its benefits. Interestingly, Piceatannol, another compound derived from resveratrol, has received less attention from researchers but appears to offer advantages. It has better bioavailability and seems to have a more favorable therapeutic profile compared to resveratrol. Surprisingly, no previous attempts have been made to explore or predict the metabolites of piceatannol when it interacts with the enzyme cytochrome P450. This study aims to fill that gap by predicting how piceatannol is metabolized by cytochrome P450 and assessing any potential toxicity associated with its metabolites. This research is interesting because it's the first of its kind to investigate the metabolic fate of piceatannol, especially in the context of cytochrome P450. The findings have the potential to significantly contribute to the field of piceatannol research, particularly in the food industry where this compound has applications and implications. Graphical abstract
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Affiliation(s)
- Ravi Kumar Rajan
- Department of Pharmacology, School of Pharmaceutical Sciences, Girijananda Chowdhury University, Tezpur Campus, Tezpur, Assam India
- Present Address: Department of Pharmacology, Himalayan Pharmacy Institute, Majitar, East Sikkim 737136 India
| | - Maida Engels
- Department of Pharmaceutical Chemistry, PSG College of Pharmacy, Coimbatore, Tamil Nadu India
| | - Muthiah Ramanathan
- Department of Pharmacology, PSG College of Pharmacy, Coimbatore, Tamil Nadu India
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17
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Noga M, Michalska A, Jurowski K. The estimation of acute oral toxicity (LD 50) of G-series organophosphorus-based chemical warfare agents using quantitative and qualitative toxicology in silico methods. Arch Toxicol 2024; 98:1809-1825. [PMID: 38493428 DOI: 10.1007/s00204-024-03714-5] [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: 10/16/2023] [Accepted: 02/20/2024] [Indexed: 03/19/2024]
Abstract
The idea of this study was the estimation of the theoretical acute toxicity (t-LD50, rat, oral dose) of organophosphorus-based chemical warfare agents from the G-series (n = 12) using different in silico methods. Initially identified in Germany, the G-type nerve agents include potent compounds such as tabun, sarin, and soman. Despite their historical significance, there is a noticeable gap in acute toxicity data for these agents. This study employs qualitative (STopTox and AdmetSAR) and quantitative (TEST; CATMoS; ProTox-II and QSAR Toolbox) in silico methods to predict LD50 values, offering an ethical alternative to animal testing. Additionally, we conducted quantitative extrapolation from animals, and the results of qualitative tests confirmed the acute toxicity potential of these substances and enabled the identification of toxicophoric groups. According to our estimations, the most lethal agents within this category were GV, soman (GD), sarin (GB), thiosarin (GBS), and chlorosarin (GC), with t-LD50 values (oral administration, extrapolated from rat to human) of 0.05 mg/kg bw, 0.08 mg/kg bw, 0.12 mg/kg bw, 0.15 mg/kg bw, and 0.17 mg/kg bw, respectively. On the contrary, compounds with a cycloalkane attached to the phospho-oxygen linkage, specifically methyl cyclosarin and cyclosarin, were found to be the least toxic, with values of 2.28 mg/kg bw and 3.03 mg/kg bw. The findings aim to fill the knowledge gap regarding the acute toxicity of these agents, highlighting the need for modern toxicological methods that align with ethical considerations, next-generation risk assessment (NGRA) and the 3Rs (replacement, reduction and refinement) principles.
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Affiliation(s)
- Maciej Noga
- Department of Regulatory and Forensic Toxicology, Institute of Medical Expertises in Łódź, ul. Aleksandrowska 67/93, 91-205, Łódź, Poland
| | - Agata Michalska
- Institute of Medical Expertises in Łódź, ul. Aleksandrowska 67/93, 91-205, Łódź, Poland
| | - Kamil Jurowski
- Department of Regulatory and Forensic Toxicology, Institute of Medical Expertises in Łódź, ul. Aleksandrowska 67/93, 91-205, Łódź, Poland.
- Laboratory of Innovative Toxicological Research and Analyzes, Institute of Medical Studies, Medical College, Rzeszów University, Al. mjr. W. Kopisto 2a, 35-959, Rzeszów, Poland.
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18
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Jurowski K, Niżnik Ł. Toxicity of the New Psychoactive Substance (NPS) Clephedrone (4-Chloromethcathinone, 4-CMC): Prediction of Toxicity Using In Silico Methods for Clinical and Forensic Purposes. Int J Mol Sci 2024; 25:5867. [PMID: 38892053 PMCID: PMC11173054 DOI: 10.3390/ijms25115867] [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: 04/30/2024] [Revised: 05/23/2024] [Accepted: 05/27/2024] [Indexed: 06/21/2024] Open
Abstract
This study reports the first application of in silico methods to assess the toxicity of 4-chloromethcathinone (4-CMC), a novel psychoactive substance (NPS). Employing advanced toxicology in silico tools, it was possible to predict crucial aspects of the toxicological profile of 4-CMC, including acute toxicity (LD50), genotoxicity, cardiotoxicity, and its potential for endocrine disruption. The obtained results indicate significant acute toxicity with species-specific variability, moderate genotoxic potential suggesting the risk of DNA damage, and a notable cardiotoxicity risk associated with hERG channel inhibition. Endocrine disruption assessment revealed a low probability of 4-CMC interacting with estrogen receptor alpha (ER-α), suggesting minimal estrogenic activity. These insights, derived from in silico studies, are critical in advancing the understanding of 4-CMC properties in forensic and clinical toxicology. These initial toxicological findings provide a foundation for future research and aid in the formulation of risk assessment and management strategies in the context of the use and abuse of NPSs.
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Affiliation(s)
- Kamil Jurowski
- Laboratory of Innovative Toxicological Research and Analyses, Institute of Medical Sciences, Medical College, Rzeszów University, Al. mjr. W. Kopisto 2a, 35-959 Rzeszów, Poland
- Department of Regulatory and Forensic Toxicology, Institute of Medical Expertise, Łódź, ul. Aleksandrowska 67/93, 91-205 Łódź, Poland;
| | - Łukasz Niżnik
- Department of Regulatory and Forensic Toxicology, Institute of Medical Expertise, Łódź, ul. Aleksandrowska 67/93, 91-205 Łódź, Poland;
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19
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Igbokwe CJ, Feng Y, Louis H, Benjamin I, Quaisie J, Duan Y, Tuly JA, Cai M, Zhang H. Novel antioxidant peptides identified from coix seed by molecular docking, quantum chemical calculations and invitro study in HepG2 cells. Food Chem 2024; 440:138234. [PMID: 38145582 DOI: 10.1016/j.foodchem.2023.138234] [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: 10/16/2023] [Revised: 12/11/2023] [Accepted: 12/17/2023] [Indexed: 12/27/2023]
Abstract
The aim of the study was to identify potent antioxidant peptides sourced from coix seed, analyze the structure-activity relationship through molecular docking and quantum chemical calculation. Molecular docking results showed that among thirteen peptides selected in silico, eight had favourable binding interaction with the Keap1-Kelch domain (2FLU). Promising peptides with significant binding scores were further evaluated using quantum calculation. It was shown that peptide FFDR exhibited exceptional stability, with a high energy gap of 5.24 eV and low Highest Occupied Molecular Orbitals (HOMO) and Lowest Unoccupied Molecular Orbitals (LUMO) values. Furthermore, FFDR displayed the capacity to enhance the expression of Nrf2-Keap1 antioxidant genes (CAT, SOD, GSH-Px) and improved cellular redox balance by increasing reduced glutathione (GSH) while reducing oxidized glutathione (GSSG) and malonaldehyde (MDA) levels. These findings highlight the potential of coix seed peptides in developing novel, effective and stable antioxidant-based functional foods.
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Affiliation(s)
- Chidimma Juliet Igbokwe
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang, China; Department of Food Science and Technology, University of Nigeria Nsukka, Nigeria
| | - Yuqin Feng
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang, China
| | - Hitler Louis
- Computational and Bio-Simulation Research Group, University of Calabar, Calabar, Nigeria; School of Chemistry, University of Leeds, Leeds LS2 9JT, United Kingdom
| | - Innocent Benjamin
- Computational and Bio-Simulation Research Group, University of Calabar, Calabar, Nigeria
| | - Janet Quaisie
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang, China; Chemistry and Nutrition Research Division, Food Research Institute, Accra, Ghana
| | - Yuqing Duan
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang, China; Institute of Food Physical Processing, Jiangsu University, Zhenjiang 212013, China.
| | - Jamila A Tuly
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang, China
| | - Meihong Cai
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang, China
| | - Haihua Zhang
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang, China.
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Rapetti F, Spallarossa A, Russo E, Caviglia D, Villa C, Tasso B, Signorello MG, Rosano C, Iervasi E, Ponassi M, Brullo C. Investigations of Antioxidant and Anti-Cancer Activities of 5-Aminopyrazole Derivatives. Molecules 2024; 29:2298. [PMID: 38792163 PMCID: PMC11124527 DOI: 10.3390/molecules29102298] [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: 04/04/2024] [Revised: 05/09/2024] [Accepted: 05/11/2024] [Indexed: 05/26/2024] Open
Abstract
To further extend the structure-activity relationships (SARs) of 5-aminopyrazoles (5APs) and identify novel compounds able to interfere with inflammation, oxidative stress, and tumorigenesis, 5APs 1-4 have been designed and prepared. Some chemical modifications have been inserted on cathecol function or in aminopyrazole central core; in detail: (i) smaller, bigger, and more lipophilic substituents were introduced in meta and para positions of catechol portion (5APs 1); (ii) a methyl group was inserted on C3 of the pyrazole scaffold (5APs 2); (iii) a more flexible alkyl chain was inserted on N1 position (5APs 3); (iv) the acylhydrazonic linker was moved from position 4 to position 3 of the pyrazole scaffold (5APs 4). All new derivatives 1-4 have been tested for radical scavenging (DPPH assay), anti-aggregating/antioxidant (in human platelets) and cell growth inhibitory activity (MTT assay) properties. In addition, in silico pharmacokinetics, drug-likeness properties, and toxicity have been calculated. 5APs 1 emerged to be promising anti-proliferative agents, able to suppress the growth of specific cancer cell lines. Furthermore, derivatives 3 remarkably inhibited ROS production in platelets and 5APs 4 showed interesting in vitro radical scavenging properties. Overall, the collected results further confirm the pharmaceutical potentials of this class of compounds and support future studies for the development of novel anti-proliferative and antioxidant agents.
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Affiliation(s)
- Federica Rapetti
- Department of Pharmacy (DIFAR), University of Genoa, Viale Benedetto XV, 3, 16132 Genoa, Italy; (F.R.); (A.S.); (E.R.); (D.C.); (C.V.); (B.T.)
| | - Andrea Spallarossa
- Department of Pharmacy (DIFAR), University of Genoa, Viale Benedetto XV, 3, 16132 Genoa, Italy; (F.R.); (A.S.); (E.R.); (D.C.); (C.V.); (B.T.)
| | - Eleonora Russo
- Department of Pharmacy (DIFAR), University of Genoa, Viale Benedetto XV, 3, 16132 Genoa, Italy; (F.R.); (A.S.); (E.R.); (D.C.); (C.V.); (B.T.)
| | - Debora Caviglia
- Department of Pharmacy (DIFAR), University of Genoa, Viale Benedetto XV, 3, 16132 Genoa, Italy; (F.R.); (A.S.); (E.R.); (D.C.); (C.V.); (B.T.)
| | - Carla Villa
- Department of Pharmacy (DIFAR), University of Genoa, Viale Benedetto XV, 3, 16132 Genoa, Italy; (F.R.); (A.S.); (E.R.); (D.C.); (C.V.); (B.T.)
| | - Bruno Tasso
- Department of Pharmacy (DIFAR), University of Genoa, Viale Benedetto XV, 3, 16132 Genoa, Italy; (F.R.); (A.S.); (E.R.); (D.C.); (C.V.); (B.T.)
| | - Maria Grazia Signorello
- Department of Pharmacy (DIFAR), Biochemistry Lab., University of Genoa, Viale Benedetto XV, 3, 16132 Genova, Italy;
| | - Camillo Rosano
- IRCCS Ospedale Policlinico San Martino, Proteomics and Mass Spectrometry Unit, L.go. R. Benzi, 10, 16132 Genova, Italy; (C.R.); (E.I.); (M.P.)
| | - Erika Iervasi
- IRCCS Ospedale Policlinico San Martino, Proteomics and Mass Spectrometry Unit, L.go. R. Benzi, 10, 16132 Genova, Italy; (C.R.); (E.I.); (M.P.)
| | - Marco Ponassi
- IRCCS Ospedale Policlinico San Martino, Proteomics and Mass Spectrometry Unit, L.go. R. Benzi, 10, 16132 Genova, Italy; (C.R.); (E.I.); (M.P.)
| | - Chiara Brullo
- Department of Pharmacy (DIFAR), University of Genoa, Viale Benedetto XV, 3, 16132 Genoa, Italy; (F.R.); (A.S.); (E.R.); (D.C.); (C.V.); (B.T.)
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21
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Mohammadjani N, Ashengroph M, Abdollahzadeh J. Untargeted metabolomics and molecular docking studies on green silver nanoparticles synthesized by Sarocladium subulatum: Exploring antibacterial and antioxidant properties. CHEMOSPHERE 2024; 355:141836. [PMID: 38561160 DOI: 10.1016/j.chemosphere.2024.141836] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/14/2024] [Revised: 03/21/2024] [Accepted: 03/27/2024] [Indexed: 04/04/2024]
Abstract
The biological synthesis of silver nanoparticles (Ag-NPs) with fungi has shown promising results in antibacterial and antioxidant properties. Fungi generate metabolites (both primary and secondary) and proteins, which aid in the formation of metal nanoparticles as reducing or capping agents. While several studies have been conducted on the biological production of Ag-NPs, the exact mechanisms still need to be clarified. In this study, Ag-NPs are synthesized greenly using an unstudied fungal strain, Sarocladium subulatum AS4D. Three silver salts were used to synthesize the Ag-NPs for the first time, optimized using a cell-free extract (CFE) strategy. Additionally, these NPs were assessed for their antimicrobial and antioxidant properties. Various spectroscopic and microscopy techniques were utilized to confirm Ag-NP formation and analyze their morphology, crystalline properties, functional groups, size, stability, and concentrations. Untargeted metabolomics and proteome disruption were employed to explore the synthesis mechanism. Computational tools were applied to predict metabolite toxicity and antibacterial activity. The study identified 40 fungal metabolites capable of reducing silver ions, with COOH and OH functional groups playing a pivotal role. The silver salt type impacted the NPs' size and stability, with sizes ranging from 40 to 52 nm and zeta potentials from -0.9 to -30.4 mV. Proteome disruption affected size and stability but not shape. Biosynthesized Ag-NPs using protein-free extracts ranged from 55 to 62 nm, and zeta potentials varied from -18 to -27 mV. Molecular docking studies and PASS results found no role for the metabolome in antibacterial activity. This suggests the antibacterial activity comes from Ag-NPs, not capping or reducing agents. Overall, the research affirmed the vital role of specific reducing metabolites in the biosynthesis of Ag-NPs, while proteins derived from biological extracts were found to solely affect their size and stability.
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Affiliation(s)
- Navid Mohammadjani
- Department of Biological Science, Faculty of Science, University of Kurdistan, P.O. Box 416, Sanandaj, Iran
| | - Morahem Ashengroph
- Department of Biological Science, Faculty of Science, University of Kurdistan, P.O. Box 416, Sanandaj, Iran.
| | - Jafar Abdollahzadeh
- Department of Plant Protection, Agriculture Faculty, University of Kurdistan, P.O. Box 416, Sanandaj, Iran
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Noga M, Michalska A, Jurowski K. The acute toxicity of Novichok's degradation products using quantitative and qualitative toxicology in silico methods. Arch Toxicol 2024; 98:1469-1483. [PMID: 38441627 DOI: 10.1007/s00204-024-03695-5] [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: 01/11/2024] [Accepted: 01/24/2024] [Indexed: 03/27/2024]
Abstract
The emergence of Novichok agents, potent organophosphorus nerve agents, has spurred the demand for advanced analytical methods and toxicity assessments as a result of their involvement in high-profile incidents. This study focuses on the degradation products of Novichok agents, particularly their potential toxic effects on biological systems. Traditional in vivo methods for toxicity evaluation face ethical and practical constraints, prompting a shift toward in silico toxicology research. In this context, we conducted a comprehensive qualitative and quantitative analysis of acute oral toxicity (AOT) for Novichok degradation products, using various in silico methods, including TEST, CATMoS, ProTox-II, ADMETlab, ACD/Labs Percepta, and QSAR Toolbox. Adopting these methodologies aligns with the 3Rs principle, emphasising Replacement, Reduction, and Refinement in the realm of toxicological studies. Qualitative assessments with STopTox and admetSAR revealed toxic profiles for all degradation products, with predicted toxicophores highlighting structural features responsible for toxicity. Quantitative predictions yielded varied estimates of acute oral toxicity, with the most toxic degradation products being EOPAA, MOPGA, MOPAA, MPGA, EOPGA, and MPAA, respectively. Structural modifications common to all examined hydrolytic degradation products involve substituting the fluorine atom with a hydroxyl group, imparting consequential effects on toxicity. The need for sophisticated analytical techniques for identifying and quantifying Novichok degradation products is underscored due to their inherent reactivity. This study represents a crucial step in unravelling the complexities of Novichok toxicity, highlighting the ongoing need for research into its degradation processes to refine analytical methodologies and fortify readiness against potential threats.
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Affiliation(s)
- Maciej Noga
- Department of Regulatory and Forensic Toxicology, Institute of Medical Expertises in Łódź, ul. Aleksandrowska 67/93, 91-205, Lodz, Poland
| | - Agata Michalska
- Institute of Medical Expertises in Łódź, ul. Aleksandrowska 67/93, 91-205, Lodz, Poland
| | - Kamil Jurowski
- Department of Regulatory and Forensic Toxicology, Institute of Medical Expertises in Łódź, ul. Aleksandrowska 67/93, 91-205, Lodz, Poland.
- Laboratory of Innovative Toxicological Research and Analyzes, Institute of Medical Studies, Medical College, Rzeszów University, Al. mjr. W. Kopisto 2a, 35-959, Rzeszow, Poland.
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More-Adate P, Lokhande KB, Shrivastava A, Doiphode S, Nagar S, Singh A, Baheti A. Pharmacoinformatics approach for the screening of Kovidra (Bauhinia variegata) phytoconstituents against tumor suppressor protein in triple negative breast cancer. J Biomol Struct Dyn 2024; 42:4263-4282. [PMID: 37288734 DOI: 10.1080/07391102.2023.2219744] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2022] [Accepted: 05/25/2023] [Indexed: 06/09/2023]
Abstract
Globally, 2.3 million women were diagnosed with breast cancer, with 6,85000 mortalities in year 2021; making it the world's most prevalent cancer. This growing global burden necessitates a new treatment option, and plant-based medicines offers a promising alternative to conventional cancer treatment. In this work, screening of phytoconstituents of an indigenous therapeutic plant, Bauhinia variegata carried out for potential regulator of tumor suppressor protein p53. Here, an in-silico analysis was employed to develop more effective, pharmaceutically potent small drug-like compounds that target tumor suppressor protein p53. The methanol and aqueous powdered extracts of Bauhinia variegata were prepared and phytochemically evaluated along with antioxidant property evaluation. The LC50 of methanol (325.33 µg/ml) and aqueous extract (361.15 µg/ml) showed their cytotoxic characteristics. Further, GCMS analysis of both the extracts reveals total 57 secondary metabolites. Among these, four lead compounds; compound 1, compound 2, compound 3 and compound 4 were found to have the highest binding ability (-8.15 to -5.40 kcal/mol) with p53. MD simulation and binding free energy validates these findings with highest binding free energy (-67.09 ± 4.87 kcal/mol) towards p53 by the lead phytocompound 2. Selected compounds exhibit excellent pharmacokinetic features and drug-like characteristics. The acute toxicity (LD50) values of the lead phytocompounds ranges from 670 mg/kg to 3100 mg/kg, with toxicity classes of IV and V. As a result, these druggable phytochemicals could serve as potential lead applicants for triple negative breast cancer treatment. However, more in vitro and in vivo research is planned to produce future breast cancer medicine. HIGHLIGHTSScreening of phytoconstituents of an indigenous therapeutic plant, Bauhinia variegata, for potential regulator of tumor suppressor protein p53.The LC50 of methanol (325.33µg/ml) and aqueous extract (361.15µg/ml) showed their cytotoxic characteristics.GCMS analysis of both the extracts reveals total 57 secondary metabolites. Among these, four lead compounds were found to have the highest binding affinity (-8.153 to -5.401 kcal/mol) with tumor suppressor protein p53.MD simulation along with the Prime MM/GBSA binding free energy validates this discovery with highest binding free energy (-67.09 ± 4.87 kcal/mol) towards p53 by the lead compound 2.The acute toxicity (LD50) values of the lead phytocompounds ranges from 670 mg/kg to 3100 mg/kg, with toxicity classes of IV and V.As a result, these druggable phytochemicals could serve as potential lead applicants for triple negative breast cancer treatment.Communicated by Ramaswamy H. Sarma.
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Affiliation(s)
- Pallavi More-Adate
- School of Health Sciences and Technology, Dr. Vishwanath Karad MIT World Peace University, Pune, India
| | - Kiran Bharat Lokhande
- Translational Bioinformatics and Computational Genomics Research Lab, Department of Life Sciences, Shiv Nadar Institution of Eminence, Greater Noida, India
- Bioinformatics Centre, Dr. D. Y. Patil Biotechnology & Bioinformatics Institute, Dr. D. Y. Patil Vidyapeeth, Pune, India
| | - Ashish Shrivastava
- Translational Bioinformatics and Computational Genomics Research Lab, Department of Life Sciences, Shiv Nadar Institution of Eminence, Greater Noida, India
| | - Sayali Doiphode
- Bioinformatics Centre, Dr. D. Y. Patil Biotechnology & Bioinformatics Institute, Dr. D. Y. Patil Vidyapeeth, Pune, India
| | - Shuchi Nagar
- Bioinformatics Centre, Dr. D. Y. Patil Biotechnology & Bioinformatics Institute, Dr. D. Y. Patil Vidyapeeth, Pune, India
| | - Ashutosh Singh
- Translational Bioinformatics and Computational Genomics Research Lab, Department of Life Sciences, Shiv Nadar Institution of Eminence, Greater Noida, India
| | - Akshay Baheti
- School of Health Sciences and Technology, Dr. Vishwanath Karad MIT World Peace University, Pune, India
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24
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Heena, Kaushal S, Kaur V, Panwar H, Sharma P, Jangra R. Isolation of quinic acid from dropped Citrus reticulata Blanco fruits: its derivatization, antibacterial potential, docking studies, and ADMET profiling. Front Chem 2024; 12:1372560. [PMID: 38698937 PMCID: PMC11064019 DOI: 10.3389/fchem.2024.1372560] [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: 01/18/2024] [Accepted: 03/20/2024] [Indexed: 05/05/2024] Open
Abstract
Citrus reticulata dropped fruits are generally discarded as waste, causing environmental pollution and losses to farmers. In the present study, column chromatography has been used to isolate quinic acid (1,3,4,5-tetrahydroxycyclohexane-1-carboxylic acid) from the ethyl acetate fraction of a methanol extract of citrus fruits dropped in April. Quinic acid is a ubiquitous plant metabolite found in various plants and microorganisms. It is an important precursor in the biosynthesis of aromatic natural compounds. It was further derivatized into 3,4-o-isopropylidenequinic acid 1,5-lactone (QA1), 1,3,4,5-tetraacetoxycyclohexylaceticanhydride (QA2), and cyclohexane-1,2,3,5-tetraone (QA3). These compounds were further tested for their antibacterial potential against the foodborne pathogens Staphylococcus aureus, Bacillus spp., Yersinia enterocolitica, and Escherichia coli. QA1 exhibited maximum antibacterial potential (minimum inhibitory concentration; 80-120 μg/mL). QA1 revealed synergistic behavior with streptomycin against all the tested bacterial strains having a fractional inhibitory concentration index ranging from 0.29 to 0.37. It also caused a significant increase in cell constituent release in all the tested bacteria compared to the control, along with prominent biofilm reduction. The results obtained were further checked with computational studies that revealed the best docking score of QA1 (-6.30 kcal/mol, -5.8 kcal/mol, and -4.70 kcal/mol) against β-lactamase, DNA gyrase, and transpeptidase, respectively. The absorption, distribution, metabolism, excretion, and toxicity (ADMET) analysis revealed that the drug-like properties of QA1 had an ideal toxicity profile, making it a suitable candidate for the development of antimicrobial drugs.
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Affiliation(s)
- Heena
- Department of Chemistry, Punjab Agricultural University, Ludhiana, Punjab, India
| | - Sonia Kaushal
- Department of Chemistry, Punjab Agricultural University, Ludhiana, Punjab, India
| | - Vishaldeep Kaur
- Department of Chemistry, Punjab Agricultural University, Ludhiana, Punjab, India
| | - Harsh Panwar
- Department of Dairy Microbiology, Guru Angad Dev Veterinary University, Ludhiana, Punjab, India
| | - Purshotam Sharma
- Department of Chemistry and Centre for Advanced Studies in Chemistry, Panjab University, Chandigarh, India
| | - Raman Jangra
- Department of Chemistry and Centre for Advanced Studies in Chemistry, Panjab University, Chandigarh, India
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25
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Demian MD, Amasiorah VI, Johnson TO, Ebenyi LN. Phytochemical identification and in silico elucidation of interactions of bioactive compounds from Citrullus lanatus with androgen receptor towards prostate cancer treatment. In Silico Pharmacol 2024; 12:27. [PMID: 38596366 PMCID: PMC10999405 DOI: 10.1007/s40203-024-00193-5] [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: 05/22/2023] [Accepted: 02/07/2024] [Indexed: 04/11/2024] Open
Abstract
Androgen receptor (AR) is known to play a crucial role in the development and progression of prostate cancer, and compounds that inhibit its activity are regarded as promising for the development of drugs to treat the disease. This study aimed to investigate the AR-inhibiting potential of Citrullus lanatus fruit compounds for prostate cancer drug development. Following HPLC identification, the binding energies, molecular interactions, and pharmacological potentials of the compounds against AR were elucidated using in silico techniques such as, molecular docking, induced-fit docking, molecular dynamics simulation, and ADMET prediction. Some of the compounds found to be present in Citrullus lanatus fruit included flavonoids such as proanthocyanin, naringin, flavan 3 ol, flavonones, naringenin, epicatechin, citrulline, and catechin. Naringenin exhibited the highest docking score in the molecular docking analysis, followed by resveratrol, ribalinidine, and epicatechin. These compounds share a common AR binding site with the standard ligand, dihydrotestosterone (DHT). Some of the compounds showed favorable ADMET profiles, while others showed at least one toxicity potential. The induced-fit docking of naringenin with AR yielded a higher docking score than the initial score obtained from standard docking while preserving stable molecular contacts with the interacting amino acids. Consistent hydrogen bond interactions of naringenin with PHE 764, ASN 705, and THR 877 of AR, including a persistent pi-pi stacking contact with PHE 764, were observed from the molecular dynamic simulation. The Citrullus lanatus compounds, particularly naringenin, may therefore be considered for further research towards the development of drugs for prostate cancer therapy.
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Affiliation(s)
| | | | - Titilayo Omolara Johnson
- Department of Biochemistry, Faculty of Basic Medical Science, College of Health Sciences, University of Jos, Jos, Nigeria
| | - Lilian N. Ebenyi
- Department of Biotechnology, Ebonyi State University, Abakaliki, Ebonyi State Nigeria
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26
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Saha P, Hegde M, Chakraborty K, Singha A, Mukerjee N, Ghosh D, Kunnumakkara AB, Khan MS, Ahmad MI, Ghosh A, Kumer A, Sil SK. Targeted inhibition of colorectal cancer proliferation: The dual-modulatory role of 2,4-DTBP on anti-apoptotic Bcl-2 and Survivin proteins. J Cell Mol Med 2024; 28:e18150. [PMID: 38494866 PMCID: PMC10945088 DOI: 10.1111/jcmm.18150] [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: 09/20/2023] [Revised: 12/29/2023] [Accepted: 01/16/2024] [Indexed: 03/19/2024] Open
Abstract
The anti-apoptotic proteins, Bcl-2 and Survivin, are consistently overexpressed in numerous human malignancies, notably in colorectal cancer. 2,4-Di-tert-butylphenol (2,4-DTBP) is a naturally occurring phenolic compound known for its diverse biological activities, including anti-cancer properties. The mechanism behind 2,4-DTBP-induced inhibition of cell proliferation and apoptosis in human colorectal cancer cells, specifically regarding Bcl-2 and Survivin, remains to be elucidated. In this study, we employed both in silico and in vitro methodologies to underpin this interaction at the molecular level. Molecular docking demonstrated a substantial binding affinity of 2,4-DTBP towards Bcl-2 (ΔG = -9.8 kcal/mol) and Survivin (ΔG = -5.6 kcal/mol), suggesting a potential inhibitory effect. Further, molecular dynamic simulations complemented by MM-GBSA calculations confirmed the significant binding of 2,4-DTBP with Bcl-2 (dGbind = -54.85 ± 6.79 kcal/mol) and Survivin (dGbind = -32.36 ± 1.29 kcal/mol). In vitro assays using HCT116 colorectal cancer cells revealed that 2,4-DTBP inhibited proliferation and promoted apoptosis in both a dose- and time-dependent manner. Fluorescence imaging and scanning electron microscopy illustrated the classical features associated with apoptosis upon 2,4-DTBP exposure. Cell cycle analysis through flow cytometry highlighted a G1 phase arrest and apoptosis assay demonstrated increased apoptotic cell population. Notably, western blotting results indicated a decreased expression of Bcl-2 and Survivin post-treatment. Considering the cytoprotective roles of Bcl-2 and Survivin through the inhibition of mitochondrial dysfunction, our findings of disrupted mitochondrial bioenergetics, characterized by reduced ATP production and oxygen consumption, further accentuate the functional impairment of these proteins. Overall, the integration of in silico and in vitro data suggests that 2,4-DTBP holds promise as a therapeutic agent targeting Bcl-2 and Survivin in colorectal cancer.
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Affiliation(s)
- Partha Saha
- Molecular Genetics and Cell Physiology Laboratory, Department of Human PhysiologyTripura UniversitySuryamaninagarTripuraIndia
| | - Mangala Hegde
- Cancer Biology Laboratory and DBT‐AIST International Center for Translational and Environmental Research (DAICENTER), Department of Biosciences and BioengineeringIndian Institute of Technology (IIT) GuwahatiGuwahatiAssamIndia
| | - Kanak Chakraborty
- Molecular Genetics and Cell Physiology Laboratory, Department of Human PhysiologyTripura UniversitySuryamaninagarTripuraIndia
| | - Achinta Singha
- Molecular Genetics and Cell Physiology Laboratory, Department of Human PhysiologyTripura UniversitySuryamaninagarTripuraIndia
| | - Nobendu Mukerjee
- Center for Global Health ResearchSaveetha Medical College and Hospital, Saveetha Institute of Medical and Technical SciencesChennaiTamil NaduIndia
- Department of Health SciencesNovel Global Community Educational FoundationHebershamNew South WalesAustralia
| | - Deepshikha Ghosh
- Cell Biology and Physiology DivisionCSIR‐Indian Institute of Chemical BiologyKolkataWest BengalIndia
| | - Ajaikumar B. Kunnumakkara
- Cancer Biology Laboratory and DBT‐AIST International Center for Translational and Environmental Research (DAICENTER), Department of Biosciences and BioengineeringIndian Institute of Technology (IIT) GuwahatiGuwahatiAssamIndia
| | - Mohd Shahnawaz Khan
- Department of Biochemistry, College of ScienceKing Saud UniversityRiyadhSaudi Arabia
| | - Md Irshad Ahmad
- Department of Structural Biology, School of MedicineUTHEALTH Science CenterSan AntonioTexasUSA
| | - Arabinda Ghosh
- Department of Computational Biology and BiotechnologyMahapurusha Srimanta Sankaradeva ViswavidalayaGuwahatiAssamIndia
| | - Ajoy Kumer
- Department of Chemistry, College of Arts and SciencesIUBAT‐International University of Business Agriculture and TechnologyDhakaBangladesh
| | - Samir Kumar Sil
- Molecular Genetics and Cell Physiology Laboratory, Department of Human PhysiologyTripura UniversitySuryamaninagarTripuraIndia
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27
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Aguiar TKB, Costa ACM, Neto NAS, Brito DMS, Freitas CDT, Neto JMM, Mesquita FP, Souza PFN. Rise and fall of Caspofungin: the current status of Caspofungin as a treatment for Cryptococcus neoformans infection. Future Microbiol 2024; 19:621-630. [PMID: 38497911 PMCID: PMC11229582 DOI: 10.2217/fmb-2023-0236] [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: 10/25/2023] [Accepted: 12/12/2023] [Indexed: 03/19/2024] Open
Abstract
Antifungal infections are becoming a major concern to human health due to antimicrobial resistance. Echinocandins have been promising agents against resistant fungal infections, primarily caspofungin, which has a more effective mechanism of action than azoles and polyenes. However, fungi such as Cryptococcus neoformans appear to be inheritably resistant to these drugs, which is concerning due to the high clinical importance of C. neoformans. In this review, we review the history of C. neoformans and the treatments used to treat antifungals over the years, focusing on caspofungin, while highlighting the C. neoformans problem and possible explanations for its inherent resistance.
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Affiliation(s)
- Tawanny KB Aguiar
- Department of Biochemistry & Molecular Biology, Federal University of Ceará, Fortaleza, CE, 60451-970, Brazil
| | - Ana CM Costa
- Department of Biochemistry & Molecular Biology, Federal University of Ceará, Fortaleza, CE, 60451-970, Brazil
| | - Nilton AS Neto
- University of Brasília, Post-Graduation in Molecular Pathology, Darcy Ribeiro Campus, Brasília, DF, 70910-900, Brazil
| | - Daiane MS Brito
- Department of Biochemistry & Molecular Biology, Federal University of Ceará, Fortaleza, CE, 60451-970, Brazil
- Drug Research & Development Center, Department of Physiology & Pharmacology, Federal University of Ceará, Fortaleza, CE, 60430-275, Brazil
| | - Cleverson DT Freitas
- Department of Biochemistry & Molecular Biology, Federal University of Ceará, Fortaleza, CE, 60451-970, Brazil
| | - João MM Neto
- Department of Biochemistry & Molecular Biology, Federal University of Ceará, Fortaleza, CE, 60451-970, Brazil
| | - Felipe P Mesquita
- Drug Research & Development Center, Department of Physiology & Pharmacology, Federal University of Ceará, Fortaleza, CE, 60430-275, Brazil
| | - Pedro FN Souza
- Drug Research & Development Center, Department of Physiology & Pharmacology, Federal University of Ceará, Fortaleza, CE, 60430-275, Brazil
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Uddin MJ, Niloy SI, Aktaruzzaman M, Talukder MEK, Rahman MM, Imon RR, Uddin AFMS, Amin MZ. Neuropharmacological assessment and identification of possible lead compound (apomorphine) from Hygrophila spinosa through in-vivo and in-silico approaches. J Biomol Struct Dyn 2024:1-16. [PMID: 38385482 DOI: 10.1080/07391102.2024.2317974] [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: 08/23/2023] [Accepted: 02/07/2024] [Indexed: 02/23/2024]
Abstract
The aim of this research is to examine possible neurological activity of methanol, ethyl acetate, and aqueous extracts of Hygrophila spinosa and identify possible lead compounds through in silico analysis. In vivo, neuropharmacological activity was evaluated by using four distinct neuropharmacological assessment assays. Previously reported GC-MS data and earlier literature were utilized to identify the phytochemicals present in Hygrophila spinosa. Computational studies notably molecular docking and molecular dynamic simulations were conducted with responsible receptors to assess the stability of the best interacting compound. Pharmacokinetics properties like absorption, distribution, metabolism, excretion, and toxicity were considered to evaluate the drug likeliness properties of the identified compounds. All the in vivo results support the notion that different extracts (methanol, ethyl acetate, and aqueous) of Hygrophila spinosa have significant (*p = 0.05) sedative-hypnotic, anxiolytic, and anti-depressant activity. Among all the extracts, specifically methanol extracts of Hygrophila spinosa (MHS 400 mg/kg.b.w.) showed better sedative, anxiolytic and antidepressant activity than aqueous and ethyl acetate extracts. In silico molecular docking analysis revealed that among 53 compounds 7 compounds showed good binding affinities and one compound, namely apomorphine (CID: 6005), surprisingly showed promising binding affinity to all the receptors . An analysis of molecular dynamics simulations confirmed that apomorphine (CID: 6005) had a high level of stability at the protein binding site. Evidence suggests that Hygrophila spinosa has significant sedative, anxiolytic, and antidepressant activity. In silico analysis revealed that a particular compound (apomorphine) is responsible for this action. Further research is required in order to establish apomorphine as a drug for anxiety, depression, and sleep disorders.Communicated by Ramaswamy H. Sarma.
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Affiliation(s)
- Mohammad Jashim Uddin
- Department of Pharmacy, Faculty of Biological Science and Technology, Jashore University of Science and Technology, Jashore, Bangladesh
- Laboratory of Clinical Pharmacy and Pharmacology. Department of Pharmacy, Jashore University of Science and Technology, Jashore, Bangladesh
- Laboratory of Pharmaceutical Technology, Department of Pharmacy, Jashore University of Science and Technology, Jashore, Bangladesh
| | | | - Md Aktaruzzaman
- Department of Pharmacy, Faculty of Biological Science and Technology, Jashore University of Science and Technology, Jashore, Bangladesh
- Laboratory of Clinical Pharmacy and Pharmacology. Department of Pharmacy, Jashore University of Science and Technology, Jashore, Bangladesh
- Laboratory of Pharmaceutical Technology, Department of Pharmacy, Jashore University of Science and Technology, Jashore, Bangladesh
| | - Md Enamul Kabir Talukder
- Molecular and Cellular Biology Laboratory, Department of Genetic Engineering and Biotechnology, Jashore University of Science and Technology, Jashore, Bangladesh
| | - Md Mashiar Rahman
- Molecular and Cellular Biology Laboratory, Department of Genetic Engineering and Biotechnology, Jashore University of Science and Technology, Jashore, Bangladesh
| | - Raihan Rahman Imon
- Molecular and Cellular Biology Laboratory, Department of Genetic Engineering and Biotechnology, Jashore University of Science and Technology, Jashore, Bangladesh
| | - A F M Shahab Uddin
- Department of Computer Science and Engineering, Jashore University of Science and Technology, Jashore, Bangladesh
| | - Md Ziaul Amin
- Department of Genetic Engineering and Biotechnology, Jashore University of Science and Technology, Jashore, Bangladesh
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Mohamed SK, Siddique SA, Karthikeyan S, Ahmed EA, Omran OA, Mague JT, Al-Salahi R, El Bakri Y. Synthesis, X-ray crystallography, computational investigation on quinoxaline derivatives as potent against adenosine receptor A2AAR. J Biomol Struct Dyn 2024:1-19. [PMID: 38385483 DOI: 10.1080/07391102.2024.2314268] [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: 10/09/2023] [Accepted: 01/28/2024] [Indexed: 02/23/2024]
Abstract
Quinoxaline represents one of the most important classes of heterocyclic compounds, which have exhibited a wide range of biological activities and industrial importance in many different fields. In this regard, we have synthetized two new quinoxaline derivatives. Their structures were confirmed by single-crystal X-ray analysis. The compounds show potent activity against adenosine receptors A2AAR based on structural activity relationship studies. Further molecular docking, molecular dynamics, ADMET analysis, and DFT (density functional theory) calculations were performed to understand the titled compound's future drug candidacy. DFT computations confirmed the good stability of the synthesized compounds, as evidenced by the optimized molecular geometry, HOMO-LUMO energy gap, and intermolecular interactions. NBO analysis confirmed intermolecular interactions mediated by lone pair, bonding, and anti-bonding orbitals. All DFT findings were consistent with experimental results, indicating that the synthesized molecules are highly stable. These findings suggest that the synthesized compounds are promising candidates for further development as drugs for the treatment of A2AAR-related diseases.Communicated by Ramaswamy H. Sarma.
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Affiliation(s)
- Shaaban K Mohamed
- Chemistry and Environmental Division, Manchester Metropolitan University, Manchester, England
| | - Sabir Ali Siddique
- Institute of Chemistry, The Islamia University of Bahawalpur, Baghdad-ul-Jadeed Campus, Bahawalpur, Pakistan
| | - Subramani Karthikeyan
- Centre for Healthcare Advancement, Innovation and Research, Vellore Institute of Technology University, Chennai Campus, Chennai, Tamil Nadu, India
| | - Eman A Ahmed
- Department of Chemistry, Faculty of Science, Sohag University, Sohag, Egypt
| | - Omran A Omran
- Department of Chemistry, Faculty of Science, Sohag University, Sohag, Egypt
| | - Joel T Mague
- Department of Chemistry, Tulane University, New Orleans, LA, USA
| | - Rashad Al-Salahi
- Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, Riyadh, Saudi Arabia
| | - Youness El Bakri
- Department of Theoretical and Applied Chemistry, South Ural State University, Chelyabinsk, Russian Federation
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30
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Mohamed SK, Karthikeyan S, A Omran O, Ahsin A, Salah H, Mague JT, Al-Salahi R, El Bakri Y. Insights into the crystal structure investigation and virtual screening approach of quinoxaline derivatives as potent against c-Jun N-terminal kinases 1. J Biomol Struct Dyn 2024:1-20. [PMID: 38321917 DOI: 10.1080/07391102.2024.2305317] [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: 10/09/2023] [Accepted: 01/08/2024] [Indexed: 02/08/2024]
Abstract
Quinoxaline derivatives are an important class of heterocyclic compounds in which N replaces one or more carbon atoms of the naphthalene ring and exhibit a wide spectrum of biological activities and therapeutic applications. As a result, we were encouraged to explore a new synthetic approach to quinoxaline derivatives. In this work, we synthesized two new derivatives namely, ethyl 4-(2-ethoxy-2-oxoethyl)-3-oxo-3,4-dihydroquinoxaline-2-carboxylate (2) and 3-oxo-3,4-dihydroquinoxaline-2-carbohydrazide (3) respectively. Their structures were confirmed by single-crystal X-ray analysis. Hirshfeld surface (HS) analysis is performed to understand the nature and magnitude of intermolecular interactions in the crystal packing. Density functional theory using the wb97xd/def2-TZVP method was chosen to explore their reactivity, electronic stability and optical properties. Charge transfer (CT) and orbital energies were analyzed via natural population analysis (NPA), and frontier molecular orbital (FMO) theory. The calculated excellent static hyperpolarizability (βo) indicates nonlinear optical (NLO) properties for 2 and 3. Both compounds show potent activity against c-Jun N-terminal kinases 1 (JNK 1) based on structural activity relationship studies, further subjected to molecular docking, molecular dynamics and ADMET analysis to understand their potential as drug candidates.Communicated by Ramaswamy H. Sarma.
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Affiliation(s)
- Shaaban K Mohamed
- Chemistry and Environmental Division, Manchester Metropolitan University, Manchester, England
| | - Subramani Karthikeyan
- Center for Healthcare Advancement, Innovation and Research, Vellore Institute of Technology University, Chennai, India
| | - Omran A Omran
- Department of Chemistry, Faculty of Science, Sohag University, Sohag, Egypt
| | - Atazaz Ahsin
- Beijing National Laboratory for Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing, China
- School of Chemical Sciences, University of Chinese Academy of Sciences, Beijing, China
| | - Hanan Salah
- Department of Chemistry, Faculty of Science, Sohag University, Sohag, Egypt
| | - Joel T Mague
- Department of Chemistry, Tulane University, New Orleans, LA, USA
| | - Rashad Al-Salahi
- Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, Riyadh, Saudi Arabia
| | - Youness El Bakri
- Department of Theoretical and Applied Chemistry, South Ural State University, Chelyabinsk, Russian Federation
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31
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Bulbul IJ, Hossain MJ, Haque MR, Al-Mansur MA, Hasan CM, Al Hasan A, Rashid MA. Two rare flavonoid glycosides from Litsea glutinosa (Lour.) C. B. Rob.: experimental and computational approaches endorse antidiabetic potentiality. BMC Complement Med Ther 2024; 24:69. [PMID: 38302935 PMCID: PMC10832099 DOI: 10.1186/s12906-024-04337-0] [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: 09/09/2023] [Accepted: 01/04/2024] [Indexed: 02/03/2024] Open
Abstract
BACKGROUND Litsea glutinosa (Lour.) C. B. Rob. belongs to the Litsea genus and is categorized under the family of Lauraceae. The study aimed to investigate the phytoconstituents and pharmacological properties of methanol extract of leaves of Litsea glutinosa, focusing on antidiabetic activity via in vivo and in silico techniques. METHODS Extensive chromatographic and spectroscopic techniques were applied to isolate and characterize the constituents from the L. glutinosa plant species. The antidiabetic activity was studied in streptozotocin-induced diabetes mice, and the computational study of the isolated compounds was carried out by utilizing AutoDock Vina programs. In addition, the pharmacokinetic properties in terms of absorption, distribution, metabolism and excretion (ADME) and toxicological profiles of the isolated compounds were examined via in silico techniques. RESULTS In the present study, two flavonoid glycosides 4΄-O-methyl (2 ̋,4 ̋-di-E-p-coumaroyl) afzelin (1) and quercetin 3-O-(2 ̋,4 ̋-di-E-p-coumaroyl)-α-L-rhamnopyranoside (2) were isolated from the leaves of L. glutinosa and characterized by 1H and 13C NMR, COSY, HSQC, HMBC, and mass spectral data. Although compounds 1 and 2 have been reported twice from Machilis litseifolia and Lindera akoensis, and Machilis litseifolia and Mammea longifolia, respectively, this is the first report of this isolation from a Litsea species. Administering the methanolic extract of L. glutinosa at doses of 300 and 500 mg/kg/day to mice with diabetes induced by streptozotocin led to a significant decrease in fasting blood glucose levels (p < 0.05) starting from the 7th day of treatment. Besides, the computational study and PASS analysis endorsed the current in vivo findings that the both isolated compounds exerted higher binding affinities to human pancreatic α-amylase and aldose reductase than the conventional drugs. The in silico ADMET analysis revealed that the both isolated compounds have a favorable pharmacokinetic and safety profile suitable for human consumption. CONCLUSION According to the current outcomes obtained from in vivo and in silico techniques, the leaf extract of L. glutinosa could be a natural remedy for treating diabetes, and the isolated phytoconstituents could be applied against various illnesses, mainly hyperglycemia. However, more investigations are required for extensive phytochemical isolation and pharmacological activities of these phytoconstituents against broader targets with exact mechanisms of action.
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Affiliation(s)
- Israt Jahan Bulbul
- Department of Pharmacy, Southeast University, 252, Tejgaon Industrial Area, Dhaka, 1208, Bangladesh
| | - Md Jamal Hossain
- Department of Pharmacy, School of Pharmaceutical Sciences, State University of Bangladesh, South Purbachal, Kanchan, Dhaka, 1461, Bangladesh.
| | - Mohammad Rashedul Haque
- Phytochemical Research Laboratory, Department of Pharmaceutical Chemistry, Faculty of Pharmacy, University of Dhaka, Dhaka, 1000, Bangladesh.
| | - Muhammad Abdullah Al-Mansur
- Bangladesh Council of Scientific and Industrial Research (BCSIR), Dr. Qudrat-I-Khuda Road, Dhanmondi, Dhaka, 1205, Bangladesh
| | - Choudhury M Hasan
- Phytochemical Research Laboratory, Department of Pharmaceutical Chemistry, Faculty of Pharmacy, University of Dhaka, Dhaka, 1000, Bangladesh
| | - Abdullah Al Hasan
- Department of Pharmacy, Southeast University, 252, Tejgaon Industrial Area, Dhaka, 1208, Bangladesh
| | - Mohammad A Rashid
- Phytochemical Research Laboratory, Department of Pharmaceutical Chemistry, Faculty of Pharmacy, University of Dhaka, Dhaka, 1000, Bangladesh.
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de Almeida Marques DP, Andrade LAF, Reis EVS, Clarindo FA, Moraes TDFS, Lourenço KL, De Barros WA, Costa NEM, Andrade LMD, Lopes-Ribeiro Á, Coêlho Maciel MS, Corrêa-Dias LC, de Almeida IN, Arantes TS, Litwinski VCV, de Oliveira LC, Serafim MSM, Maltarollo VG, Guatimosim SC, Silva MM, Tsuji M, Ferreira RS, Barreto LV, Barbosa-Stancioli EF, da Fonseca FG, De Fátima Â, Coelho-Dos-Reis JGA. New anti-SARS-CoV-2 aminoadamantane compounds as antiviral candidates for the treatment of COVID-19. Virus Res 2024; 340:199291. [PMID: 38065303 PMCID: PMC10733093 DOI: 10.1016/j.virusres.2023.199291] [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: 10/07/2023] [Revised: 11/29/2023] [Accepted: 11/30/2023] [Indexed: 12/17/2023]
Abstract
Here, the antiviral activity of aminoadamantane derivatives were evaluated against SARS-CoV-2. The compounds exhibited low cytotoxicity to Vero, HEK293 and CALU-3 cells up to a concentration of 1,000 µM. The inhibitory concentration (IC50) of aminoadamantane was 39.71 µM in Vero CCL-81 cells and the derivatives showed significantly lower IC50 values, especially for compounds 3F4 (0.32 µM), 3F5 (0.44 µM) and 3E10 (1.28 µM). Additionally, derivatives 3F5 and 3E10 statistically reduced the fluorescence intensity of SARS-CoV-2 protein S from Vero cells at 10 µM. Transmission microscopy confirmed the antiviral activity of the compounds, which reduced cytopathic effects induced by the virus, such as vacuolization, cytoplasmic projections, and the presence of myelin figures derived from cellular activation in the face of infection. Additionally, it was possible to observe a reduction of viral particles adhered to the cell membrane and inside several viral factories, especially after treatment with 3F4. Moreover, although docking analysis showed favorable interactions in the catalytic site of Cathepsin L, the enzymatic activity of this enzyme was not inhibited significantly in vitro. The new derivatives displayed lower predicted toxicities than aminoadamantane, which was observed for either rat or mouse models. Lastly, in vivo antiviral assays of aminoadamantane derivatives in BALB/cJ mice after challenge with the mouse-adapted strain of SARS-CoV-2, corroborated the robust antiviral activity of 3F4 derivative, which was higher than aminoadamantane and its other derivatives. Therefore, aminoadamantane derivatives show potential broad-spectrum antiviral activity, which may contribute to COVID-19 treatment in the face of emerging and re-emerging SARS-CoV-2 variants of concern.
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Affiliation(s)
- Daisymara Priscila de Almeida Marques
- Laboratório de Virologia Básica e Aplicada (LVBA), Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, MG, Brazil
| | - Luis Adan Flores Andrade
- Laboratório de Virologia Básica e Aplicada (LVBA), Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, MG, Brazil; Centro Tecnológico de Vacinas (CT Vacinas), Belo Horizonte, MG, Brazil
| | - Erik Vinicius Sousa Reis
- Laboratório de Virologia Básica e Aplicada (LVBA), Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, MG, Brazil
| | - Felipe Alves Clarindo
- Laboratório de Virologia Básica e Aplicada (LVBA), Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, MG, Brazil
| | - Thaís de Fátima Silva Moraes
- Laboratório de Virologia Básica e Aplicada (LVBA), Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, MG, Brazil
| | - Karine Lima Lourenço
- Laboratório de Virologia Básica e Aplicada (LVBA), Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, MG, Brazil; Centro Tecnológico de Vacinas (CT Vacinas), Belo Horizonte, MG, Brazil
| | - Wellington Alves De Barros
- Departamento de Química, Instituto de Ciências Exatas, Universidade Federal de Minas Gerais, Belo Horizonte, MG, Brazil
| | - Nathália Evelyn Morais Costa
- Departamento de Química, Instituto de Ciências Exatas, Universidade Federal de Minas Gerais, Belo Horizonte, MG, Brazil
| | - Lídia Maria de Andrade
- Departamento de Física, Instituto de Ciências Exatas, Universidade Federal de Minas Gerais, Belo Horizonte, MG, Brazil
| | - Ágata Lopes-Ribeiro
- Laboratório de Virologia Básica e Aplicada (LVBA), Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, MG, Brazil
| | - Mariella Sousa Coêlho Maciel
- Laboratório de Virologia Básica e Aplicada (LVBA), Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, MG, Brazil
| | - Laura Cardoso Corrêa-Dias
- Laboratório de Virologia Básica e Aplicada (LVBA), Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, MG, Brazil
| | - Isabela Neves de Almeida
- Departamento de Análises Clínicas, Escola de Farmácia, Universidade Federal de Ouro Preto, Ouro Preto, MG, Brazil; Laboratório de Micobacterioses, Faculdade de Medicina, Universidade Federal de, Minas Gerais, Belo Horizonte, MG, Brazil
| | - Thalita Souza Arantes
- Centro de Microscopia, Universidade Federal de Minas Gerais, Belo Horizonte, MG, Brazil
| | - Vivian Costa Vasconcelos Litwinski
- Departamento de Morfologia, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Avenida Antônio Carlos, Belo Horizonte, MG, Brazil
| | - Leonardo Camilo de Oliveira
- Departamento de Morfologia, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Avenida Antônio Carlos, Belo Horizonte, MG, Brazil
| | - Mateus Sá Magalhães Serafim
- Laboratório de Virus, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Avenida Antônio Carlos, Belo Horizonte, MG, Brazil
| | - Vinicius Gonçalves Maltarollo
- Departamento de Produtos Farmacêuticos da Faculdade de Farmácia, Universidade Federal de Minas Gerais, Avenida Antônio Carlos, Belo Horizonte, MG, Brazil
| | - Silvia Carolina Guatimosim
- Departamento de Fisiologia, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Avenida Antônio Carlos, Belo Horizonte, MG, Brazil
| | - Mário Morais Silva
- Departamento de Fisiologia, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Avenida Antônio Carlos, Belo Horizonte, MG, Brazil
| | - Moriya Tsuji
- Aaron Diamond AIDS Research Center, Columbia University Irving Medical Center, New York, NY 10032, USA
| | - Rafaela Salgado Ferreira
- Laboratório de Modelagem Molecular e Planejamento de Fármacos, Departamento de Bioquímica e Imunologia, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Avenida Antônio Carlos, Belo Horizonte, MG, Brazil
| | - Luiza Valença Barreto
- Laboratório de Modelagem Molecular e Planejamento de Fármacos, Departamento de Bioquímica e Imunologia, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Avenida Antônio Carlos, Belo Horizonte, MG, Brazil
| | - Edel Figueiredo Barbosa-Stancioli
- Laboratório de Virologia Básica e Aplicada (LVBA), Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, MG, Brazil
| | - Flávio Guimarães da Fonseca
- Laboratório de Virologia Básica e Aplicada (LVBA), Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, MG, Brazil; Centro Tecnológico de Vacinas (CT Vacinas), Belo Horizonte, MG, Brazil
| | - Ângelo De Fátima
- Departamento de Química, Instituto de Ciências Exatas, Universidade Federal de Minas Gerais, Belo Horizonte, MG, Brazil.
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Tegegn G, Melaku Y, Aliye M, Abebe A, Abdissa N, Meresa A, Degu S, Hunsen M, Hussein AA, Endale M. In vitro antimicrobial and antioxidant activities, essential oil composition, and in silico molecular modeling analysis of secondary metabolites from roots of Verbascum sinaiticum. Z NATURFORSCH C 2024; 79:25-39. [PMID: 38414256 DOI: 10.1515/znc-2023-0157] [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: 11/29/2023] [Accepted: 02/11/2024] [Indexed: 02/29/2024]
Abstract
Verbascum sinaiticum is locally used to treat wound, stomachache, viral infection, cancer, sunstroke fever, abdominal colic, diarrhea, hemorrhage, anthrax, and hepatitis. The objective of this study was to identify the compounds and to evaluate the antimicrobial and antioxidant activity of the extracts and isolated compounds from V. sinaiticum. The 1H-NMR, 13C-NMR, and DEPT-135 were used to elucidate the structures of isolated compounds. Essential oils were extracted by hydrodistillation method and their chemical analyses were performed by GC-MS. The broth microdilution method was used to evaluate the antimicrobial activity. The radical scavenging activity of the extracts and isolated compounds were evaluated using DPPH method. Silica gel column chromatographic separation of root extracts afforded seven known compounds: 3'-(4''-methoxy phenyl)-3'-oxo-propionyl hexadecanoate (1), harpagoside (2), pulverulentoside I (3), scrophuloside B4 (4), scropolioside A (5), scropolioside-D2 (6), and harpagide 6-O-β-glucoside (7), which are all reported from this species for the first time. The EO extracts from leaves and roots were the most susceptible to Streptococcus agalactiae, with a 2 mg/mL MIC. The EO from roots was effective against Candida albicans and Trichophyton mentagrophytes, with a MIC of 8 mg/mL. The MeOH and CH2Cl2/CH3OH (1:1) root extracts showed the maximum activity against S. epidermidis with MIC values of 0.25 mg/mL. The strongest antibacterial effects were demonstrated against Staphylococcus epidermidis, which exhibited a 0.0625 mg/mL MIC for compound 1. The strongest radical scavenging activity was exhibited by the methanol extract (IC50 = 3.4 μg/mL), and compounds 4, 6, 5, 3, 7, and 2 with IC50 values of 3.2, 3.38, 3.6, 3.8, 4.2, and 4.7 μg/mL, respectively, in comparison with ascorbic acid (IC50 = 1.3 μg/mL). The results of the molecular docking analysis of compounds revealed minimal binding energies range from -38.5 to -43.1 kJ/mol, -33.1 to -42.7 kJ/mol, -34.7 to -39.3.7 kJ/mol, -25.5 to -37.6 kJ/mol against human myeloperoxidase (PDB ID: 1DNU), murA enzyme (PDB ID: 1UAE), human topoisomerase IIβ (PDB ID: 4fm9), S. epidermidis FtsZ (PDB number: 4M8I) proteins, respectively. The docking results and the in vitro antibacterial activity are in good agreement. These findings show that the isolated compounds 2-7 can act as potential antioxidants and strong antibacterials against Staphylococcus aureus and S. epidermidis. As a result, V. sinaiticum root extracts have the potential to be effective in treating diseases caused by bacteria and free radicals, as long as further investigation has been suggested for the ultimate decision of this plant's potential candidate.
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Affiliation(s)
- Getachew Tegegn
- Department of Applied Chemistry, 125545 School of Applied Natural Science, Adama Science and Technology University , P.O. Box 1888, Adama, Ethiopia
| | - Yadessa Melaku
- Department of Applied Chemistry, 125545 School of Applied Natural Science, Adama Science and Technology University , P.O. Box 1888, Adama, Ethiopia
| | - Muhdin Aliye
- Department of Applied Chemistry, 125545 School of Applied Natural Science, Adama Science and Technology University , P.O. Box 1888, Adama, Ethiopia
| | - Abiy Abebe
- Traditional and Modern Drug Research and Development Directorate, 70605 Armauer Hansen Research Institute , P.O. Box 1242, Addis Ababa, Ethiopia
| | - Negera Abdissa
- Traditional and Modern Drug Research and Development Directorate, 70605 Armauer Hansen Research Institute , P.O. Box 1242, Addis Ababa, Ethiopia
| | - Asfaw Meresa
- Traditional and Modern Drug Research and Development Directorate, 70605 Armauer Hansen Research Institute , P.O. Box 1242, Addis Ababa, Ethiopia
| | - Sileshi Degu
- Traditional and Modern Drug Research and Development Directorate, 70605 Armauer Hansen Research Institute , P.O. Box 1242, Addis Ababa, Ethiopia
| | - Mo Hunsen
- Department of Chemistry, 3475 Kenyon College , Gambier, OH 43022, USA
| | - Ahmed A Hussein
- Department of Chemistry, 70683 Cape Peninsula University of Technology , Bellville Campus, Bellville 7535, Western Cape, South Africa
| | - Milkyas Endale
- Traditional and Modern Drug Research and Development Directorate, 70605 Armauer Hansen Research Institute , P.O. Box 1242, Addis Ababa, Ethiopia
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Assefa T, Tesso H, Ramachandran VP, Guta L, Demissie TB, Ombito JO, Eswaramoorthy R, Melaku Y. In Silico Molecular Docking Analysis, Cytotoxicity, and Antibacterial Activities of Constituents of Fruits of Cucumis dipsaceus. ACS OMEGA 2024; 9:1945-1955. [PMID: 38222496 PMCID: PMC10785779 DOI: 10.1021/acsomega.3c08866] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/07/2023] [Revised: 11/29/2023] [Accepted: 11/30/2023] [Indexed: 01/16/2024]
Abstract
Cucumis dipsaceus (Cucurbitaceae) is a plant traditionally used against diarrhea, teeth-ach, wounds, stomach ache, meningitis, and cancer. The extracts of C. dipsaceus after silica gel column chromatography gave nine compounds identified using spectroscopic methods such as hexacosane (1), octadecane (2), 17-(-5-ethyl-2,6-dihydroxy-6-methylhept-3-en-2-yl)-9-(hydroxymethyl)-13-methylcyclopenta[α]phenanthren-3-ol (3), erythrodiol (4), (9,12)-propyl icosa-9,12-dienoate (5), α-spinasterol (6), 16-dehydroxycucurbitacin (7), cucurbitacin D (8), and 23,24-dihydroisocucurbitacin D (9). Compounds 3 and 4 are new to the genus Cucumis. α-Spinasterol showed better inhibition zone diameter = 13.67 ± 0.57, 15.00 ± 0.10, and 13.33 ± 0.57 mm against Escherichia coli, Pseudomonas aeruginosa, and Streptococcus pyogenes compared with the other tested samples. α-Spinasterol (-8.0 kcal/mol) and 3 (-7.6 kcal/mol) displayed high binding affinity against DNA Gyrase compared to ciprofloxacin (-7.3 kcal/mol). α-Spinasterol and 16-dehydroxycucurbitacin showed better binding affinity against protein kinase. The cytotoxicity results revealed that the EtOAc extract showed the highest potency with IC50 = 16.05 μg/mL. 16-Dehydroxycucurbitacin showed a higher binding affinity (-7.7 kcal/mol) against human topoisomerase IIβ than etoposide. The cytotoxicity and antibacterial activities and in silico molecular docking analysis displayed by the constituents corroborate the traditional use of the plant against bacteria and cancer.
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Affiliation(s)
- Teshale Assefa
- Department
of Applied Chemistry, Adama Science and
Technology University, P.O. Box, Adama 1888, Ethiopia
| | - Hailemichael Tesso
- Department
of Applied Chemistry, Adama Science and
Technology University, P.O. Box, Adama 1888, Ethiopia
| | | | - Leta Guta
- Department
of Applied Biology, Adama Science and Technology
University, P.O. Box, Adama 1888, Ethiopia
| | - Taye B. Demissie
- Department
of Chemistry, University of Botswana, Gaborone P/Bag 00704, Botswana
| | - Japheth O. Ombito
- Department
of Chemistry, University of Botswana, Gaborone P/Bag 00704, Botswana
| | - Rajalakshmanan Eswaramoorthy
- Department
of Biomaterials, S Aveetha Dental College and Hospitals, Saveetha Institute of Medical and Technical Sciences
(SIMATS), Saveetha University, Chennai 600 077, India
| | - Yadessa Melaku
- Department
of Applied Chemistry, Adama Science and
Technology University, P.O. Box, Adama 1888, Ethiopia
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Noga M, Michalska A, Jurowski K. The prediction of acute toxicity (LD 50) for organophosphorus-based chemical warfare agents (V-series) using toxicology in silico methods. Arch Toxicol 2024; 98:267-275. [PMID: 38051368 PMCID: PMC10761519 DOI: 10.1007/s00204-023-03632-y] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2023] [Accepted: 11/07/2023] [Indexed: 12/07/2023]
Abstract
Nerve agents are organophosphate chemical warfare agents that exert their toxic effects by irreversibly inhibiting acetylcholinesterase, affecting the breakdown of the neurotransmitter acetylcholine in the synaptic cleft. Due to the risk of exposure to dangerous nerve agents and for animal welfare reasons, in silico methods have been used to assess acute toxicity safely. The next-generation risk assessment (NGRA) is a new approach for predicting toxicological parameters that can meet modern requirements for toxicological research. The present study explains the acute toxicity of the examined V-series nerve agents (n = 9) using QSAR models. Toxicity Estimation Software Tool (ver. 4.2.1 and ver. 5.1.2), QSAR Toolbox (ver. 4.6), and ProTox-II browser application were used to predict the median lethal dose. The Simplified Molecular Input Line Entry Specification (SMILES) was the input data source. The results indicate that the most deadly V-agents were VX and VM, followed by structural VX analogues: RVX and CVX. The least toxic turned out to be V-sub x and Substance 100A. In silico methods for predicting various parameters are crucial for filling data gaps ahead of experimental research and preparing for the upcoming use of nerve agents.
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Affiliation(s)
- Maciej Noga
- Department of Regulatory and Forensic Toxicology, Institute of Medical Expertises in Łódź, ul. Aleksandrowska 67/93, 91-205, Łódź, Poland
| | - Agata Michalska
- Institute of Medical Expertises in Łódź, ul. Aleksandrowska 67/93, 91-205, Łódź, Poland
| | - Kamil Jurowski
- Department of Regulatory and Forensic Toxicology, Institute of Medical Expertises in Łódź, ul. Aleksandrowska 67/93, 91-205, Łódź, Poland.
- Laboratory of Innovative Toxicological Research and Analyzes, Institute of Medical Studies, Medical College, Rzeszów University, Al. mjr. W. Kopisto 2a, 35-959, Rzeszów, Poland.
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Krishnan K A, Valavi SG, Joy A. Identification of Novel EGFR Inhibitors for the Targeted Therapy of Colorectal Cancer Using Pharmacophore Modelling, Docking, Molecular Dynamic Simulation and Biological Activity Prediction. Anticancer Agents Med Chem 2024; 24:263-279. [PMID: 38173208 DOI: 10.2174/0118715206275566231206094645] [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: 08/04/2023] [Revised: 10/30/2023] [Accepted: 11/14/2023] [Indexed: 01/05/2024]
Abstract
BACKGROUND Colorectal cancer (CRC) is considered the second deadliest cancer in the world. One of the reasons for the occurrence of this cancer is the deregulation of the Epidermal Growth Factor Receptor (EGFR), which plays a critical role in regulating cell division, persistence, differentiation, and migration. The overexpression of the EGFR protein leads to its dysregulation and causes CRC. OBJECTIVES Hence, this work aims to identify and validate novel EGFR inhibitors for the treatment of colorectal cancer employing various computer aided techniques such as pharmacophore modeling, docking, molecular dynamic simulation and Quantitative Structure-Activity Relationship (QSAR) analysis. METHODS In this work, a shared-featured ligand-based pharmacophore model was generated using the known inhibitors of EGFR. The best model was validated and screened against ZincPharmer and Maybridge databases, and 143 hits were obtained. Pharmacokinetic and toxicological properties of these hits were studied, and the acceptable ligands were docked against EGFR. The best five protein-ligand complexes with binding energy less than -5 kcal/mol were selected. The molecular dynamic simulation studies of these complexes were conducted for 100 nanoseconds (ns), and the results were analyzed. The biological activity of this ligand was calculated using QSAR analysis. RESULTS The best complex with Root Mean Square Deviation (RMSD) 3.429 Å and Radius of Gyration (RoG) 20.181 Å was selected. The Root Mean Square Fluctuations (RMSF) results were also found to be satisfactory. The biological activity of this ligand was found to be 1.38 μM. CONCLUSION This work hereby proposes the ligand 2-((1,6-dimethyl-4-oxo-1,4-dihydropyridin-3-yl)oxy)-N- (1H-indol-4-yl)acetamide as a potential EGFR inhibitor for the treatment of colorectal cancer. The wet lab analysis must be conducted, however, to confirm this hypothesis.
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Affiliation(s)
- Amrutha Krishnan K
- Department of Applied Science and Humanities, Sahrdaya College of Engineering and Technology, Affiliated to APJ Abdul Kalam Technological University, Kodakara, Thrissur, Kerala, India
| | - Sudha George Valavi
- Department of Applied Science and Humanities, Sahrdaya College of Engineering and Technology, Affiliated to APJ Abdul Kalam Technological University, Kodakara, Thrissur, Kerala, India
| | - Amitha Joy
- Department of Biotechnology, Sahrdaya College of Engineering and Technology, Affiliated to APJ Abdul Kalam Technological University, Kodakara, Thrissur, Kerala, India
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Jhangiani A, Panda V, Sukheja A, Thomas S, Dusseja P, Pandya S, Chintakrindi A. Toxicological Profiling of Potential Shikimate Kinase Inhibitors Against Mycobacterium tuberculosis. Altern Lab Anim 2024; 52:10-27. [PMID: 38095084 DOI: 10.1177/02611929231217062] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2024]
Abstract
Over the last decade, Mycobacterium tuberculosis has mutated into a putative 'superbug', as treatments against it have failed due to increasing antimicrobial resistance. As a result, the rising incidence of multidrug-resistant tuberculosis (MDR-TB) is posing a significant public health threat, thus, the need to develop effective drugs for MDR-TB has become an urgent priority. To identify new drug candidates for the treatment of MDR-TB, the present study was based on mycobacterial shikimate kinase (MtSK) as the pharmacological target. One hundred potential MtSK inhibitors were identified from literature and database searches to identify compounds that were designed to specifically function as MtSK antagonists. The ADME properties of these compounds were evaluated by using the SwissADME web tool. ProTox-II software was also used to investigate any potential endocrine disrupting effects, mediated through their interaction with oestrogenic and/or androgenic receptors. This study also aimed to predict LD50 values of potential drug candidates that would be active against the standard H37Rv strain of M. tuberculosis, by using the ProTox-II in silico tool. The molecules for which no structural hazard alerts were identified with these software tools were further subjected to molecular docking analyses and molecular dynamic simulations to estimate their ability to interact with the MtSK enzyme. Preliminary results from SwissADME indicated that 30 molecules were drug-like, due to their physicochemical and pharmacokinetic properties. However, subsequent analysis with ToxTree and ProTox-II indicated that only three of these 30 drug-like molecules were suitable for taking forward into further in vitro experiments. This study, which is based on the use of commonly used open-source in silico tools, identified new MtSK ligands for potential use in the development of new drugs for the therapeutic management of tuberculosis. An initial prediction of their safety profile was also generated.
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Affiliation(s)
| | - Vandana Panda
- Principal K.M. Kundnani College of Pharmacy, Mumbai, India
| | | | - Sneha Thomas
- Principal K.M. Kundnani College of Pharmacy, Mumbai, India
| | - Piyush Dusseja
- Principal K.M. Kundnani College of Pharmacy, Mumbai, India
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Hussen NH, Hamid SJ, Sabir MN, Hasan AH, Mohammed SJ, Shali AAK. Novel Penicillin Derivatives Against Selected Multiple-drug Resistant Bacterial Strains: Design, Synthesis, Structural Analysis, In Silico and In Vitro Studies. Curr Org Synth 2024; 21:684-703. [PMID: 37218207 DOI: 10.2174/1570179420666230510104319] [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: 12/16/2022] [Revised: 04/02/2023] [Accepted: 04/04/2023] [Indexed: 05/24/2023]
Abstract
INTRODUCTION The rising numbers of multiple drug-resistant (MDR) pathogens and the consequent antibacterial therapy failure that resulted in severe medical conditions push to illustrate new molecules with extended activity against the resistant strains. In this manner, chemical derivatization of known antibiotics is proposed to save efforts in drug discovery, and penicillins serve as an ideal in this regard. METHODS Seven synthesized 6-aminopenicillanic acid-imine derivatives (2a-g) were structure elucidated using FT-IR, 1H NMR, 13C NMR, and MS spectroscopy. In silico molecular docking and ADMET studies were made. The analyzed compounds obeyed Lipinski's rule of five and showed promising in vitro bactericidal potential when assayed against E. coli, E. cloacae, P. aeruginosa, S. aureus, and A. baumannii. MDR strains using disc diffusion and microplate dilution techniques. RESULTS The MIC values were 8 to 32 μg/mL with more potency than ampicillin, explained by better membrane penetration and more ligand-protein binding capacity. The 2g entity was active against E. coli. This study was designed to find new active penicillin derivatives against MDR pathogens. CONCLUSION The products showed antibacterial activity against selected MDR species and good PHK, PHD properties, and low predicted toxicity, offering them as future candidates that require further preclinical assays.
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Affiliation(s)
- Narmin Hamaamin Hussen
- Department of Pharmacognosy and Pharmaceutical Chemistry, College of Pharmacy, University of Sulaimaniyah, Sulaimani, 46001, Kurdistan Region-Iraq, Iraq
| | - Shokhan Jamal Hamid
- Department of Pharmacognosy and Pharmaceutical Chemistry, College of Pharmacy, University of Sulaimaniyah, Sulaimani, 46001, Kurdistan Region-Iraq, Iraq
| | - Mohammed Nawzad Sabir
- Department of Pharmacognosy and Pharmaceutical Chemistry, College of Pharmacy, University of Sulaimaniyah, Sulaimani, 46001, Kurdistan Region-Iraq, Iraq
| | - Aso Hameed Hasan
- Department of Chemistry, College of Science, University of Garmian, Kalar, 46021, Kurdistan Region-Iraq, Iraq
| | - Sewara Jalal Mohammed
- Department of Chemistry, College of Science, University of Sulaimaniyah, Qlyasan Street, Sulaimani, 46001, Kurdistan Regional-Iraq, Iraq
| | - Aras Ahmed Kamal Shali
- Department of Biology, College of Science, University of Sulaimaniyah, Qlyasan Street, Sulaimani, 46001, Kurdistan Regional-Iraq, Iraq
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Dhanasekaran S, Pushparaj Selvadoss P, Sundar Manoharan S, Jeyabalan S, Devi Rajeswari V. Revealing anti-fungal potential of plant-derived bioactive therapeutics in targeting secreted aspartyl proteinase (SAP) of Candida albicans: a molecular dynamics approach. J Biomol Struct Dyn 2024; 42:710-724. [PMID: 37021476 DOI: 10.1080/07391102.2023.2196703] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2022] [Accepted: 03/17/2023] [Indexed: 04/07/2023]
Abstract
Candida species have established themselves as a major source of nosocomial infections. Increased expression of secreted aspartyl proteinases (SAP5) plays a crucial role in the pathogenesis of Candida species. Phytotherapeutics continue to serve as a viable resource for discovering novel antifungal agents. Hence the main aim of the present investigation is to explore the possible inhibitory role of the selected bioactive molecules against the SAP5 enzyme of C. albicans using in silico approach. Molecular docking and dynamic simulations were utilized to predict the binding affinity of the lead molecules using the AutoDock and Gromacs in-silico screening tools. Results of preliminary docking simulations show that the compounds hesperidin, vitexin, berberine, adhatodine, piperine, and chlorogenic acid exhibit significant interactions with the core catalytic residues of the target protein. The best binding ligands (hesperidin, vitexin, fluconazole) were subjected to molecular dynamics (MD) and essential dynamics of the trajectories. Results of the MD simulation confirm that the ligand-protein complexes became more stable from 20 ns until 100 ns. The calculated residue-level contributions to the interaction energy along a steady simulation trajectory of all three hits (hesperidin (-132.720 kJ/mol), vitexin (-83.963 kJ/mol) and fluconazole (-98.864 kJ/mol)) ensure greater stability of the leads near the catalytic region. Essential dynamics of PCA and DCCM analysis signifies that the binding of hesperidin and vitexin created a more structurally stable environment in the protein target. The overall outcomes of this study clearly emphasize that the bioactive therapeutics found in medicinal herbs may have remarkable scope in managing Candida infection.
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Affiliation(s)
| | | | | | - Srikanth Jeyabalan
- Sri Ramachandra Institute of Higher Education and Research, Chennai, Tamil Nadu, India
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Patil S, Randive V, Mahadik I, Asgaonkar K. Design, In Silico Molecular Docking, and ADMET Prediction of Amide Derivatives of Chalcone Nucleus as EGFR Inhibitors for the Treatment of Cancer. Curr Drug Discov Technol 2024; 21:9-19. [PMID: 37921215 DOI: 10.2174/0115701638263890231027071518] [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: 06/22/2023] [Revised: 09/20/2023] [Accepted: 09/27/2023] [Indexed: 11/04/2023]
Abstract
BACKGROUND Cancer is a devastating disease. Many studies have shown that the primary causes of the aggressive and resistant types of cancer are the overexpression of receptors and growth factors, activation of oncogenes, and the inactivation of tumour suppressor genes. One such receptor is the epidermal growth factor receptor (EGFR), which is used as a drug target for the treatment of cancer. OBJECTIVE This study aimed to develop the new chemical entities of amide derivatives of chalcone as EGFR inhibitors using structure-activity relationship (SAR) studies, molecular docking, and ADMET (absorption, distribution, metabolism, excretion, and toxicity) studies. METHOD New chemical entities (NCE) were designed based on literature findings. The Schrodinger 13.4 software was used for the molecular docking study. While Quickprop and Pro Tox-II online tools were used for ADME and toxicity prediction, respectively. . RESULT In this work, all compounds were subjected to an in-silico ADMET analysis. After pharmacokinetic and toxicity profile predictions, the molecules were further analysed by molecular docking. As a result of molecular docking, molecules AC9 and AC19 showed comparable docking scores compared to standard Afatinib. CONCLUSION Molecules AC9 and AC19 showed good docking scores and a promising ADMET profile. In the future, these derivatives can be further evaluated for wet lab studies and determination of their biological activity.
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Affiliation(s)
- Shital Patil
- Department of Chemistry, AISSMS College of Pharmacy, Kennedy Road, Pune 01, India
| | - Vrushali Randive
- Department of Chemistry, AISSMS College of Pharmacy, Kennedy Road, Pune 01, India
| | - Indrani Mahadik
- Department of Chemistry, AISSMS College of Pharmacy, Kennedy Road, Pune 01, India
| | - Kalyani Asgaonkar
- Department of Chemistry, AISSMS College of Pharmacy, Kennedy Road, Pune 01, India
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Subaramaniyam U, Ramalingam D, Balan R, Paital B, Sar P, Ramalingam N. Annonaceous acetogenins as promising DNA methylation inhibitors to prevent and treat leukemogenesis - an in silico approach. J Biomol Struct Dyn 2023:1-14. [PMID: 38149859 DOI: 10.1080/07391102.2023.2297010] [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: 09/06/2023] [Accepted: 12/10/2023] [Indexed: 12/28/2023]
Abstract
Leukemia is a haematological malignancy affecting blood and bone marrow, ranking 10th among the other common cancers. DNA methylation is an epigenetic dysregulation that plays a critical role in leukemogenesis. DNA methyltransferases (DNMTs) such as DNMT1, DNMT3A and DNMT3B are the key enzymes catalysing DNA methylation. Inhibition of DNMT1 with secondary metabolites from medicinal plants helps reverse DNA methylation. The present study focuses on inhibiting DNMT1 protein (PDB ID: 3PTA) with annonaceous acetogenins through in-silico studies. The docking and molecular dynamic (MD) simulation study was carried out using Schrödinger Maestro and Desmond, respectively. These compounds' drug likeliness, ADMET properties and bioactivity scores were analysed. About 76 different acetogenins were chosen for this study, among which 17 showed the highest binding energy in the range of -8.312 to -10.266 kcal/mol. The compounds with the highest negative binding energy were found to be annohexocin (-10.266 kcal/mol), isoannonacinone (-10.209 kcal/mol) and annonacin (-9.839 kcal/mol). MD simulation results reveal that annonacin remains stable throughout the simulation time of 100 ns and also binds to the catalytic domain of DNMT1 protein. From the above results, it can be concluded that annonacin has the potential to inhibit the DNA methylation process and prevent leukemogenesis.Communicated by Ramaswamy H. Sarma.
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Affiliation(s)
- Udayadharshini Subaramaniyam
- Department of Biochemistry, Biotechnology and Bioinformatics, Avinashilingam Institute for Home Science and Higher Education for Women, Coimbatore, India
| | - Divya Ramalingam
- Department of Biochemistry, Biotechnology and Bioinformatics, Avinashilingam Institute for Home Science and Higher Education for Women, Coimbatore, India
| | - Ranjini Balan
- Department of Biochemistry, Biotechnology and Bioinformatics, Avinashilingam Institute for Home Science and Higher Education for Women, Coimbatore, India
| | - Biswaranjan Paital
- Redox Regulation Laboratory, Department of Zoology, College of Basic Science and Humanities, Odisha University of Agriculture and Technology, Bhubaneswar, India
| | - Pranati Sar
- Biotechnology Department, Silver Oak Institute of Science, Silver Oak University, Ahmedabad, India
| | - Nirmaladevi Ramalingam
- Department of Biochemistry, Biotechnology and Bioinformatics, Avinashilingam Institute for Home Science and Higher Education for Women, Coimbatore, India
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Karunakaran K, Muniyan R. Identification of allosteric inhibitor against AKT1 through structure-based virtual screening. Mol Divers 2023; 27:2803-2822. [PMID: 36522517 DOI: 10.1007/s11030-022-10582-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2022] [Accepted: 12/05/2022] [Indexed: 12/23/2022]
Abstract
AKT (serine/threonine protein kinase) is a potential therapeutic target for many types of cancer as it plays a vital role in cancer progression. Many AKT inhibitors are already in practice under single and combinatorial therapy. However, most of these inhibitors are orthosteric / pan-AKT that are non-selective and non-specific to AKT kinase and their isoforms. Hence, researchers are searching for novel allosteric inhibitors that bind in the interface between pH and kinase domain. In this study, we performed structure-based virtual screening from the afroDB (a diverse natural compounds library) to find the potential inhibitor targeting the AKT1. These compounds were filtered through Lipinski, ADMET properties, combined with a molecular docking approach to obtain the 8 best compounds. Then we performed molecular dynamics simulation for apoprotein, AKT1 with 8 complexes, and AKT1 with the positive control (Miransertib). Molecular docking and simulation analysis revealed that Bianthracene III (hit 1), 10-acetonyl Knipholonecyclooxanthrone (hit 2), Abyssinoflavanone VII (hit 5) and 8-c-p-hydroxybenzyldiosmetin (hit 6) had a better binding affinity, stability, and compactness than the reference compound. Notably, hit 1, hit 2 and hit 5 had molecular features required for allosteric inhibition.
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Affiliation(s)
- Keerthana Karunakaran
- School of Biosciences and Technology, Vellore Institute of Technology, Vellore, 632014, India
| | - Rajiniraja Muniyan
- School of Biosciences and Technology, Vellore Institute of Technology, Vellore, 632014, India.
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Ali A, Wani AB, Malla BA, Poyya J, Dar NJ, Ali F, Ahmad SB, Rehman MU, Nadeem A. Network Pharmacology Integrated Molecular Docking and Dynamics to Elucidate Saffron Compounds Targeting Human COX-2 Protein. MEDICINA (KAUNAS, LITHUANIA) 2023; 59:2058. [PMID: 38138161 PMCID: PMC10744988 DOI: 10.3390/medicina59122058] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/11/2023] [Revised: 11/05/2023] [Accepted: 11/17/2023] [Indexed: 12/24/2023]
Abstract
Background and Objectives: Cyclooxygenase-2 (COX-2) is mostly linked to inflammation and has been validated as a molecular target for treating inflammatory diseases. The present study aimed to identify novel compounds that could inhibit COX-2, which is associated with various diseases including inflammation, and in such a scenario, plant-derived biomolecules have been considered as attractive candidates. Materials and Methods: In the present study, physiochemical properties and toxicity of natural compounds/drugs were determined by SWISSADME and ProTox-II. In the present study, the molecular docking binding features of saffron derivatives (crocetin, picrocrocin, quercetin, safranal, crocin, rutin, and dimethylcrocetin) against human COX-2 protein were assessed. Moreover, protein-protein interactions, topographic properties, gene enrichment analysis and molecular dynamics simulation were also determined. Results: The present study revealed that picrocrocin showed the highest binding affinity of -8.1 kcal/mol when docked against the COX-2 protein. PROCHECK analysis revealed that 90.3% of the protein residues were found in the most favored region. Compartmentalized Protein-Protein Interaction identified 90 interactions with an average interaction score of 0.62, and the highest localization score of 0.99 found in secretory pathways. The Computed Atlas of Surface Topography of Proteins was used to identify binding pockets and important residues that could serve as drug targets. Use of WEBnmα revealed protein dynamics by using normal mode analysis. Ligand and Receptor Dynamics used the Molecular Generalized Born Surface Area approach to determine the binding free energy of the protein. Gene enrichment analysis revealed that ovarian steroidogenesis, was the most significant enrichment pathway. Molecular dynamic simulations were executed for the best docked (COX-2-picrocrocin) complex, and the results displayed conformational alterations with more pronounced surface residue fluctuations in COX-2 with loss of the intra-protein hydrogen bonding network. The direct interaction of picrocrocin with various crucial amino-acid residues like GLN203, TYR385, HIS386 and 388, ASN382, and TRP387 causes modifications in these residues, which ultimately attenuates the activity of COX-2 protein. Conclusions: The present study revealed that picrocrocin was the most effective biomolecule and could be repurposed via computational approaches. However, various in vivo and in vitro observations are still needed.
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Affiliation(s)
- Aarif Ali
- Division of Veterinary Biochemistry, Faculty of Veterinary Sciences & Animal Husbandry, SKUAST-K, Shuhama, Alusteng, Srinagar 190006, India
| | - Amir Bashir Wani
- Genome Engineering and Societal Biotechnology Lab., Division of Plant Biotechnology, SKUAST-K, Shalimar, Srinagar 190006, India;
| | - Bashir Ahmad Malla
- Department of Biochemistry, School of Biological Sciences, University of Kashmir, Hazratbal, Srinagar 190006, India;
| | - Jagadeesha Poyya
- SDM Research Institute for Biomedical Sciences, Dharwad 580009, India
| | - Nawab John Dar
- SALK Institute for Biological Studies, La Jolla, San Diego, CA 92037, USA;
| | - Fasil Ali
- Department of Studies and Research in Biochemistry, Mangalore University, Mangalore 571232, India
| | - Sheikh Bilal Ahmad
- Division of Veterinary Biochemistry, Faculty of Veterinary Sciences & Animal Husbandry, SKUAST-K, Shuhama, Alusteng, Srinagar 190006, India
| | - Muneeb U. Rehman
- Department of Clinical Pharmacy, College of Pharmacy, King Saud University, Riyadh 11451, Saudi Arabia;
| | - Ahmed Nadeem
- Department of Pharmacology and Toxicology, College of Pharmacy, King Saud University, Riyadh 11451, Saudi Arabia
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Siswina T, Rustama MM, Sumiarsa D, Apriyanti E, Dohi H, Kurnia D. Antifungal Constituents of Piper crocatum and Their Activities as Ergosterol Biosynthesis Inhibitors Discovered via In Silico Study Using ADMET and Drug-Likeness Analysis. Molecules 2023; 28:7705. [PMID: 38067436 PMCID: PMC10708292 DOI: 10.3390/molecules28237705] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2023] [Revised: 11/14/2023] [Accepted: 11/16/2023] [Indexed: 12/18/2023] Open
Abstract
Along with the increasing resistance of Candida spp. to some antibiotics, it is necessary to find new antifungal drugs, one of which is from the medicinal plant Red Betel (Piper crocatum). The purpose of this research is to isolate antifungal constituents from P. crocatum and evaluate their activities as ergosterol biosynthesis inhibitors via an in silico study of ADMET and drug-likeness analysis. Two new active compounds 1 and 2 and a known compound 3 were isolated, and their structures were determined using spectroscopic methods, while their bioactivities were evaluated via in vitro and in silico studies, respectively. Antifungal compound 3 was the most active compared to 1 and 2 with zone inhibition values of 14.5, 11.9, and 13.0 mm, respectively, at a concentration of 10% w/v, together with MIC/MFC at 0.31/1.2% w/v. Further in silico study demonstrated that compound 3 had a stronger ΔG than the positive control and compounds 1 and 2 with -11.14, -12.78, -12.00, and -6.89 Kcal/mol against ERG1, ERG2, ERG11, and ERG24, respectively, and also that 3 had the best Ki with 6.8 × 10-3, 4 × 10-4, 1.6 × 10-3, and 8.88 μM. On the other hand, an ADMET analysis of 1-3 met five parameters, while 1 had one violation of Ro5. Based on the research data, the promising antifungal constituents of P. crocatum allow P. crocatum to be proposed as a new antifungal candidate to treat and cure infections due to C. albicans.
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Affiliation(s)
- Tessa Siswina
- Department of Chemistry, Faculty of Mathematics and Natural Sciences, Universitas Padjadjaran, Sumedang 45363, Indonesia; (T.S.); (D.S.); (E.A.)
- Department of Midwifery, Poltekkes Kemenkes Pontianak, Pontianak 78124, Indonesia
| | - Mia Miranti Rustama
- Department of Biology, Faculty of Mathematics and Natural Sciences, Universitas Padjadjaran, Sumedang 45363, Indonesia;
| | - Dadan Sumiarsa
- Department of Chemistry, Faculty of Mathematics and Natural Sciences, Universitas Padjadjaran, Sumedang 45363, Indonesia; (T.S.); (D.S.); (E.A.)
| | - Eti Apriyanti
- Department of Chemistry, Faculty of Mathematics and Natural Sciences, Universitas Padjadjaran, Sumedang 45363, Indonesia; (T.S.); (D.S.); (E.A.)
| | - Hirofumi Dohi
- Graduate School of Horticulture, Chiba University, 1-33 Yayoi, Inage-ku, Chiba 263-8522, Japan;
| | - Dikdik Kurnia
- Department of Chemistry, Faculty of Mathematics and Natural Sciences, Universitas Padjadjaran, Sumedang 45363, Indonesia; (T.S.); (D.S.); (E.A.)
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Santos CBR, Lobato CC, Ota SSB, Silva RC, Bittencourt RCVS, Freitas JJS, Ferreira EFB, Ferreira MB, Silva RC, De Lima AB, Campos JM, Borges RS, Bittencourt JAHM. Analgesic Activity of 5-Acetamido-2-Hydroxy Benzoic Acid Derivatives and an In-Vivo and In-Silico Analysis of Their Target Interactions. Pharmaceuticals (Basel) 2023; 16:1584. [PMID: 38004449 PMCID: PMC10674373 DOI: 10.3390/ph16111584] [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: 06/04/2023] [Revised: 10/04/2023] [Accepted: 10/27/2023] [Indexed: 11/26/2023] Open
Abstract
The design, synthesis, and evaluation of novel non-steroidal anti-inflammatory drugs (NSAIDs) with better activity and lower side effects are big challenges today. In this work, two 5-acetamido-2-hydroxy benzoic acid derivatives were proposed, increasing the alkyl position (methyl) in an acetamide moiety, and synthesized, and their structural elucidation was performed using 1H NMR and 13C NMR. The changes in methyl in larger groups such as phenyl and benzyl aim to increase their selectivity over cyclooxygenase 2 (COX-2). These 5-acetamido-2-hydroxy benzoic acid derivatives were prepared using classic methods of acylation reactions with anhydride or acyl chloride. Pharmacokinetics and toxicological properties were predicted using computational tools, and their binding affinity (kcal/mol) with COX-2 receptors (Mus musculus and Homo sapiens) was analyzed using docking studies (PDB ID 4PH9, 5KIR, 1PXX and 5F1A). An in-silico study showed that 5-acetamido-2-hydroxy benzoic acid derivates have a better bioavailability and binding affinity with the COX-2 receptor, and in-vivo anti-nociceptive activity was investigated by means of a writhing test induced by acetic acid and a hot plate. PS3, at doses of 20 and 50 mg/kg, reduced painful activity by 74% and 75%, respectively, when compared to the control group (20 mg/kg). Regarding the anti-nociceptive activity, the benzyl showed reductions in painful activity when compared to acetaminophen and 5-acetamido-2-hydroxy benzoic acid. However, the proposed derivatives are potentially more active than 5-acetamido-2-hydroxy benzoic acid and they support the design of novel and safer derivative candidates. Consequently, more studies need to be conducted to evaluate the different pharmacological actions, the toxicity of possible metabolites that can be generated, and their potential use in inflammation and pain therapy.
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Affiliation(s)
- Cleydson B. R. Santos
- Laboratory of Modeling and Computational Chemistry, Department of Biological and Health Sciences, Federal University of Amapá, Macapá 68902-280, AP, Brazil; (C.C.L.); (R.C.S.); (R.C.V.S.B.); (M.B.F.)
- Graduate Program on Medicinal Chemistry and Molecular Modeling, Institute of Health Science, Federal University of Pará, Belém 66075-110, PA, Brazil; (S.S.B.O.); (R.S.B.)
| | - Cleison C. Lobato
- Laboratory of Modeling and Computational Chemistry, Department of Biological and Health Sciences, Federal University of Amapá, Macapá 68902-280, AP, Brazil; (C.C.L.); (R.C.S.); (R.C.V.S.B.); (M.B.F.)
- Graduate Program on Medicinal Chemistry and Molecular Modeling, Institute of Health Science, Federal University of Pará, Belém 66075-110, PA, Brazil; (S.S.B.O.); (R.S.B.)
| | - Sirlene S. B. Ota
- Graduate Program on Medicinal Chemistry and Molecular Modeling, Institute of Health Science, Federal University of Pará, Belém 66075-110, PA, Brazil; (S.S.B.O.); (R.S.B.)
| | - Rai C. Silva
- Laboratory of Modeling and Computational Chemistry, Department of Biological and Health Sciences, Federal University of Amapá, Macapá 68902-280, AP, Brazil; (C.C.L.); (R.C.S.); (R.C.V.S.B.); (M.B.F.)
- Graduate Program on Medicinal Chemistry and Molecular Modeling, Institute of Health Science, Federal University of Pará, Belém 66075-110, PA, Brazil; (S.S.B.O.); (R.S.B.)
| | - Renata C. V. S. Bittencourt
- Laboratory of Modeling and Computational Chemistry, Department of Biological and Health Sciences, Federal University of Amapá, Macapá 68902-280, AP, Brazil; (C.C.L.); (R.C.S.); (R.C.V.S.B.); (M.B.F.)
| | - Jofre J. S. Freitas
- Laboratory of Morphophysiology Applied to Health, State University of Pará, Belém 66095-662, PA, Brazil; (J.J.S.F.); (R.C.S.); (A.B.D.L.)
| | - Elenilze F. B. Ferreira
- Laboratory of Organic Chemistry and Biochemistry, University of the State of Amapá, Macapá 68900-070, AP, Brazil;
| | - Marília B. Ferreira
- Laboratory of Modeling and Computational Chemistry, Department of Biological and Health Sciences, Federal University of Amapá, Macapá 68902-280, AP, Brazil; (C.C.L.); (R.C.S.); (R.C.V.S.B.); (M.B.F.)
- Laboratory of Morphophysiology Applied to Health, State University of Pará, Belém 66095-662, PA, Brazil; (J.J.S.F.); (R.C.S.); (A.B.D.L.)
| | - Renata C. Silva
- Laboratory of Morphophysiology Applied to Health, State University of Pará, Belém 66095-662, PA, Brazil; (J.J.S.F.); (R.C.S.); (A.B.D.L.)
| | - Anderson B. De Lima
- Laboratory of Morphophysiology Applied to Health, State University of Pará, Belém 66095-662, PA, Brazil; (J.J.S.F.); (R.C.S.); (A.B.D.L.)
| | - Joaquín M. Campos
- Department of Pharmaceutical and Organic Chemistry, Faculty of Pharmacy, Campus of Cartuja, University of Granada, 18071 Granada, Spain;
- Biosanitary Institute of Granada (ibs.GRANADA), University of Granada, 18071 Granada, Spain
| | - Rosivaldo S. Borges
- Graduate Program on Medicinal Chemistry and Molecular Modeling, Institute of Health Science, Federal University of Pará, Belém 66075-110, PA, Brazil; (S.S.B.O.); (R.S.B.)
| | - José A. H. M. Bittencourt
- Laboratory of Modeling and Computational Chemistry, Department of Biological and Health Sciences, Federal University of Amapá, Macapá 68902-280, AP, Brazil; (C.C.L.); (R.C.S.); (R.C.V.S.B.); (M.B.F.)
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46
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Divya Rajaselvi N, Jida MD, Nair DB, Sujith S, Beegum N, Nisha AR. Toxicity prediction and analysis of flavonoid apigenin as a histone deacetylase inhibitor: an in-silico approach. In Silico Pharmacol 2023; 11:34. [PMID: 37941890 PMCID: PMC10630278 DOI: 10.1007/s40203-023-00170-4] [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: 07/07/2023] [Accepted: 10/12/2023] [Indexed: 11/10/2023] Open
Abstract
Occurrence of cancer is driving up on a global scale that exerts greater implications on the physical, psychological and economic stability of the human population. In the present context, numerous research studies are being conducted to explore and discover the drug molecule as an anticancer agent. Diverse scales of flavonoids entail the human diet, and they displayed prospective curative effects against an array of ailments. Among different categories of flavonoids, apigenin a trihydroxy flavone has been proven to have various pharmacological effects. Molecular docking is a key tool in structural molecular biology and computer assisted drug design. In this study, HDAC inhibitory action of apigenin and its probable toxicity was assessed by docking study using Auto dock platform. Molecular dynamics simulation was done by using iMODS server for elucidating the stability of the receptor-ligand complex. Toxicity predictions were evaluated by using tools such as CarcinoPred for carcinogenicity study, pkCSM for ADMET analysis, ProTox-II for rodent oral toxicity, lazar for estimating mutagenicity, BOILED Egg plot analysis for examining the gastrointestinal absorption and blood brain permeability, PASS prediction to identify the various biological functions and DruLiTo program to compute the drug likeness property. Graphical abstract
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Affiliation(s)
- N. Divya Rajaselvi
- Department of Veterinary Pharmacology and Toxicology, College of Veterinary and Animal Sciences, Mannuthy, India
- Kerala Veterinary and Animal Sciences University, Wayanad, India
| | - M. D. Jida
- Department of Veterinary Pharmacology and Toxicology, College of Veterinary and Animal Sciences, Mannuthy, India
- Kerala Veterinary and Animal Sciences University, Wayanad, India
| | - Devu B. Nair
- Department of Veterinary Pharmacology and Toxicology, College of Veterinary and Animal Sciences, Mannuthy, India
- Kerala Veterinary and Animal Sciences University, Wayanad, India
| | - S. Sujith
- Department of Veterinary Pharmacology and Toxicology, College of Veterinary and Animal Sciences, Mannuthy, India
- Kerala Veterinary and Animal Sciences University, Wayanad, India
| | - Nisaath Beegum
- Department of Veterinary Pharmacology and Toxicology, College of Veterinary and Animal Sciences, Mannuthy, India
- Kerala Veterinary and Animal Sciences University, Wayanad, India
| | - A. R. Nisha
- Department of Veterinary Pharmacology and Toxicology, College of Veterinary and Animal Sciences, Mannuthy, India
- Kerala Veterinary and Animal Sciences University, Wayanad, India
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47
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Shawky AM, Almalki FA, Abdalla AN, Youssif BGM, Abdel-Fattah MM, Hersi F, El-Sherief HAM, Ibrahim NA, Gouda AM. Discovery and optimization of 2,3-diaryl-1,3-thiazolidin-4-one-based derivatives as potent and selective cytotoxic agents with anti-inflammatory activity. Eur J Med Chem 2023; 259:115712. [PMID: 37567059 DOI: 10.1016/j.ejmech.2023.115712] [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: 04/27/2023] [Revised: 08/02/2023] [Accepted: 08/04/2023] [Indexed: 08/13/2023]
Abstract
Several studies have indicated the potential therapeutic outcomes of combining selective COX-2 inhibitors with tubulin-targeting anticancer agents. In the current study, a novel series of thiazolidin-4-one-based derivatives (7a-q) was designed by merging the pharmacophoric features of some COXs inhibitors and tubulin polymerization inhibitors. Compounds 7a-q were synthesized and evaluated for their cytotoxic activity against MCF7, HT29, and A2780 cancer cell lines (IC50 = 0.02-17.02 μM). The cytotoxicity of 7a-q was also assessed against normal MRC5 cells (IC50 = 0.47-13.46 μM). Compounds 7c, 7i, and 7j, the most active in the MTT assay, significantly reduced the number of HT29 colonies compared to the control. Compounds 7c, 7i, and 7j also induced significant decreases in the tumor volumes and masses in Ehrlich solid carcinoma-bearing mice compared to the control. The three compounds also exhibited significant anti-HT29 migration activity in the wound-healing assay. They have also induced cell cycle arrest in HT29 cells at the S and G2/M phases. In addition, they induced significant increases in both early and late apoptotic events in HT29 cells compared to the control, where 7j showed the highest effect. On the other hand, compound 7j (1 μM) displayed weak inhibitory activity against tubulin polymerization compared to colchicine (3 μM). On the other hand, compounds 7a-q inhibited the activity of COX-2 (IC50 = 0.42-29.11 μM) compared to celecoxib (IC50 = 0.86 μM). In addition, 7c, 7i, and 7j showed moderate inhibition of inflammation in rats compared to indomethacin, with better GIT safety profiles. Molecular docking analysis revealed that 7c, 7i, and 7j have higher binding free energies towards COX-2 than COX-1. These above results suggested that 7j could serve as a potential anticancer drug candidate.
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Affiliation(s)
- Ahmed M Shawky
- Science and Technology Unit (STU), Umm Al-Qura University, Makkah, 21955, Saudi Arabia
| | - Faisal A Almalki
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Umm Al-Qura University, Makkah, 21955, Saudi Arabia
| | - Ashraf N Abdalla
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Umm Al-Qura University, Makkah, 21955, Saudi Arabia; Department of Pharmacology and Toxicology, Medicinal and Aromatic Plants Research Institute, National Center for Research, Khartoum, 2404, Sudan
| | - Bahaa G M Youssif
- Pharmaceutical Organic Chemistry Department, Faculty of Pharmacy, Assiut University, Assiut, 71526, Egypt
| | - Maha M Abdel-Fattah
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Beni-Suef University, Beni-Suef, 62514, Egypt
| | - Fatima Hersi
- Research Institute for Medical and Health Sciences, University of Sharjah, Sharjah, 27272, United Arab Emirates
| | - Hany A M El-Sherief
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Deraya University, Minia, Egypt
| | - Nashwa A Ibrahim
- Medicinal Chemistry Department, Faculty of Pharmacy, Beni-Suef University, Beni-Suef, 62514, Egypt
| | - Ahmed M Gouda
- Medicinal Chemistry Department, Faculty of Pharmacy, Beni-Suef University, Beni-Suef, 62514, Egypt.
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48
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Rinaldi Tosi ME, Palermo V, Giannini FA, Fernández Baldo MA, Díaz JRA, Lima B, Feresin GE, Romanelli GP, Baldoni HA. N-Sulfonyl-1,2,3,4-tetrahydroisoquinoline Derivatives: Synthesis, Antimicrobial Evaluations, and Theoretical Insights. Chem Biodivers 2023; 20:e202300905. [PMID: 37798253 DOI: 10.1002/cbdv.202300905] [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: 06/21/2023] [Revised: 10/03/2023] [Accepted: 10/05/2023] [Indexed: 10/07/2023]
Abstract
Microbial contamination remains a significant economic challenge in the food industry, emphasizing the need for innovative antimicrobial solutions. In this study, we synthesized N-sulfonyl-1,2,3,4-tetrahydroisoquinolines (NSTHIQ) derivatives using an environmentally friendly Preyssler heteropolyacid catalyst, obtaining moderate to high yields (35-91 %) under mild conditions. Two derivatives (5 and 6) exhibited significant antifungal properties against various fungal species, including Aspergillus spp, Penicillium spp, and Botrytis cinerea. ADMET (Absorption, Distribution, Metabolism, Excretion, and Toxicity) analysis revealed the absence of hepatic toxicity in all compounds, making derivatives 2, 3, 4, and 5 potential candidates for further development. However, derivatives 6 and 7 exhibited immunotoxicity. In support of our experimental findings, reactivity indices were computed using Density Functional Theory principles, deriving valuable insights into the chemical properties of these derivatives. This study underscores the potential of NSTHIQ compounds as potent antifungal agents, coupled with the importance of employing environmentally friendly catalysts in drug discovery.
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Affiliation(s)
- Martín E Rinaldi Tosi
- Laboratorio de Biotecnología y Tecnologías Biomédicas, Centro de Estudios para la Innovación y el Desarrollo (CEPID), Facultad de Ciencias Médicas, Universidad Católica de Cuyo, Felipe Velázquez 471 CP, 5700, Ciudad de San Luis, Argentina
| | - Valeria Palermo
- Grupo de Investigación en Síntesis Orgánica Ecoeficiente (GISOE), Centro de Investigación y Desarrollo en Ciencias Aplicadas 'Dr. Jorge J. Ronco' (CINDECA), Departamento de Química, Facultad de Ciencias Exactas, Universidad Nacional de La Plata-CIC-CONICET, Calle 47 Nro 257, B1900AJK, La Plata, Argentina
| | - Fernando A Giannini
- Área de Química General e Inorgánica, Departamento de Química, Facultad de Química, Bioquímica y Farmacia, Universidad Nacional de San Luis, Chacabuco 917, D5700BWS, San Luis, Argentina
| | - Martín A Fernández Baldo
- Universidad Nacional de San Luis, Facultad de Química, Bioquímica y Farmacia, Área de Química Analítica - Instituto de Química de San Luis, INQUISAL (UNSL - CONICET), Chacabuco 917, D5700BWS, San Luis, Argentina
| | - Jorge R A Díaz
- Área de Química General e Inorgánica, Departamento de Química, Facultad de Química, Bioquímica y Farmacia, Universidad Nacional de San Luis, Chacabuco 917, D5700BWS, San Luis, Argentina
| | - Beatriz Lima
- Instituto de Biotecnología, Instituto de Ciencias Básicas, Universidad Nacional de San Juan, Av. Libertador General San Martin, 1109 O, San Juan, Argentina
| | - Gabriela E Feresin
- Instituto de Biotecnología, Instituto de Ciencias Básicas, Universidad Nacional de San Juan, Av. Libertador General San Martin, 1109 O, San Juan, Argentina
| | - Gustavo P Romanelli
- Grupo de Investigación en Síntesis Orgánica Ecoeficiente (GISOE), Centro de Investigación y Desarrollo en Ciencias Aplicadas 'Dr. Jorge J. Ronco' (CINDECA), Departamento de Química, Facultad de Ciencias Exactas, Universidad Nacional de La Plata-CIC-CONICET, Calle 47 Nro 257, B1900AJK, La Plata, Argentina
- CISAV. Cátedra de Química Orgánica, Facultad de Ciencias Agrarias y Forestales, Universidad Nacional de La Plata, Calles 60 y 119 s/n, B1904AAN, La Plata, Argentina
| | - Héctor A Baldoni
- Área de Química General e Inorgánica, Departamento de Química, Facultad de Química, Bioquímica y Farmacia, Universidad Nacional de San Luis, Chacabuco 917, D5700BWS, San Luis, Argentina
- Instituto Multidisciplinario de Investigaciones Biológicas de San Luis, IMIBIO-SL, CONICET-UNSL, Av. Ejército de los Andes 950, D5700HHW, San Luis, Argentina
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49
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Fatimawali, Tallei TE, Kepel BJ, Bodhi W, Manampiring AE, Nainu F. Molecular Insight into the Pharmacological Potential of Clerodendrum minahassae Leaf Extract for Type-2 Diabetes Management Using the Network Pharmacology Approach. MEDICINA (KAUNAS, LITHUANIA) 2023; 59:1899. [PMID: 38003949 PMCID: PMC10673377 DOI: 10.3390/medicina59111899] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/16/2023] [Revised: 10/18/2023] [Accepted: 10/23/2023] [Indexed: 11/26/2023]
Abstract
Background and Objectives: The increasing occurrence and prevalence of type-2 diabetes mellitus (T2DM) have led to a growing interest in researching available treatment alternatives. Clerodendrum minahassae, a native plant species of North Sulawesi, has been a focus of ethnopharmacological studies due to its significance contributions to drug development, particularly its potential antidiabetic properties. This study investigated the pharmacological potential of Clerodendrum minahassae (CM) leaf extract for managing type-2 diabetes (T2DM) using a network pharmacology approach. Materials and Methods: Active compounds were extracted from CM leaves, and their interactions with target proteins in T2DM were explored through various in silico analyses. Results: SAR analysis using Way2Drug Pass Online identified 29 bioactive CM leaf extract compounds with promise as T2DM treatments. Additionally, 26 of these met Ro5 criteria for favorable drug-likeness. Most compounds exhibited positive pharmacodynamic and pharmacokinetic profiles, with 22 considered safe, while 7 posed potential toxicity risks when ingested individually. CM leaf extract targeted 60 T2DM-related proteins, potentially affecting T2DM via cytokine regulation, particularly in proteins linked to metabolic processes, cellular response to angiotensin, and the sphingosine-1-phosphate signaling pathway. The network pharmacology analysis identified five genes targeted by CM leaf extract, namely, STAT3, MAPK1, ESR1, PIK3R1, and NFKB1. Among these genes, PIK3R1's interaction with the insulin receptor (INSR) positions it as a crucial candidate gene due to its pivotal role in insulin signal transduction during T2DM development. Conclusions: This research sheds light on the therapeutic potential of CM leaf extract for treating T2DM. This potential is attributed to the diverse array of bioactive compounds present in the extract, which have the capacity to interact with and inhibit proteins participating in the insulin signal transduction pathway crucial for the progression of T2DM. The findings of this study may open up possibilities for future applications of CM leaf extract in the development of novel T2DM treatments.
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Affiliation(s)
- Fatimawali
- Department of Pharmacy, Faculty of Mathematics and Natural Sciences, Sam Ratulangi University, Manado 95115, North Sulawesi, Indonesia
| | - Trina Ekawati Tallei
- Department of Biology, Faculty of Mathematics and Natural Sciences, Sam Ratulangi University, Manado 95115, North Sulawesi, Indonesia
- Department of Biology, Faculty of Medicine, Sam Ratulangi University, Manado 95115, North Sulawesi, Indonesia
| | - Billy Johnson Kepel
- Department of Chemistry, Faculty of Medicine, Sam Ratulangi University, Manado 95115, North Sulawesi, Indonesia; (B.J.K.); (W.B.); (A.E.M.)
| | - Widdhi Bodhi
- Department of Chemistry, Faculty of Medicine, Sam Ratulangi University, Manado 95115, North Sulawesi, Indonesia; (B.J.K.); (W.B.); (A.E.M.)
| | - Aaltje Ellen Manampiring
- Department of Chemistry, Faculty of Medicine, Sam Ratulangi University, Manado 95115, North Sulawesi, Indonesia; (B.J.K.); (W.B.); (A.E.M.)
| | - Firzan Nainu
- Department of Pharmacy, Faculty of Pharmacy, Hasanuddin University, Makassar 90245, South Sulawesi, Indonesia;
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50
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Le VTT, Hung HV, Ha NX, Le CH, Minh PTH, Lam DT. Natural Phosphodiesterase-4 Inhibitors with Potential Anti-Inflammatory Activities from Millettia dielsiana. Molecules 2023; 28:7253. [PMID: 37959674 PMCID: PMC10650832 DOI: 10.3390/molecules28217253] [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: 07/29/2023] [Revised: 10/06/2023] [Accepted: 10/09/2023] [Indexed: 11/15/2023] Open
Abstract
The results of in silico screening of the 50 isolated compounds from Millettia dielsiana against the target proteins PDE4 (PDE4A, PDE4B, and PDE4D) showed binding affinity ranges from -5.81 to -11.56, -5.27 to -13.01, and -5.80 to -12.12 kcal mol-1, respectively, with median values of -8.83, -8.84, and -8.645 kcal mol-1, respectively. Among these compounds, Millesianin F was identified as the most promising PDE4A inhibitor due to its strongest binding affinity with the target protein PDE4A. (-11.56 kcal mol-1). This was followed by the compound 5,7,4'-trihydroxyisoflavone 7-O-β-d-apiofuranosyl-(1→6)-β-d-glucopyranoside (D50) with the binding affinity value of -11.35 kcal mol-1. For the target protein PDE4B, compound D50 exhibited the strongest binding affinity value of -13.01 kcal mol-1, while showing poorer inhibition ability for PDE4D. The 100 ns MD simulation examination (radius of gyration, Solvent Accessible Surface Area (SASA), Root-Mean-Square Deviation (RMSD), Root-Mean-Square Fluctuation (RMSF), and hydrogen bonding) was carried out to examine the overall stability and binding efficiency of the protein-ligand complex between compounds (Millesianin F, Millesianin G, Claclrastin-7-O-β-d-glucopyranoside, 7-hydroxy-4',6 dimethoxyisoflavone-7-O-β-d-apiofuranosyl-(1→6)-β-d-glucopyranoside, 7-hydroxy-4',8-dimethoxyisoflavone 7-O-β-d-apiofuranosyl-(1→6)-β-d-glucopyranoside, Odoratin-7-O-β-d-glucopyranoside, and 5,7,4'-trihydroxyisoflavone 7-O-β-d-apiofuranosyl-(1→6)-β-d-glucopyranoside) and PDE4 (A, B) subtype proteins. Compound D50 has shown strong anti-inflammatory activity, as evidenced by experimental results. It effectively inhibits PDE4B and PDE4D, with IC50 values of 6.56 ± 0.7 µM and 11.74 ± 1.3 µM, respectively. Additionally, it reduces NO production, with an IC50 value of 5.40 ± 0.9 µM. Based on these findings, it is promising and considered a potential novel anti-inflammatory drug for future development.
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Affiliation(s)
- Vu Thi Thu Le
- Thai Nguyen University of Agriculture and Forestry, Quyet Thang, Thai Nguyen 24119, Vietnam; (V.T.T.L.)
| | - Hoang Van Hung
- Thai Nguyen University-Lao Cai Campus, Thai Nguyen University, Lao Cai City 31000, Vietnam
| | - Nguyen Xuan Ha
- Institute of Natural Products Chemistry, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet, Cau Giay, Hanoi 10072, Vietnam
| | - Cao Hong Le
- Thai Nguyen University of Agriculture and Forestry, Quyet Thang, Thai Nguyen 24119, Vietnam; (V.T.T.L.)
| | - Pham Thi Hong Minh
- Institute of Natural Products Chemistry, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet, Cau Giay, Hanoi 10072, Vietnam
| | - Do Tien Lam
- Institute of Natural Products Chemistry, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet, Cau Giay, Hanoi 10072, Vietnam
- Faculty of Chemistry, Graduate University of Science and Technology, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet, Cau Giay, Hanoi 10072, Vietnam
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