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Shamsi A, Shahwan M, Anwar S, Ashames A, Khan MS, Yadav DK. Understanding the interactions between repurposed drugs sertindole and temoporfin with receptor for advanced glycation endproducts: Therapeutic implications in cancer and metabolic diseases. J Mol Model 2024; 30:170. [PMID: 38753123 DOI: 10.1007/s00894-024-05967-4] [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: 10/07/2023] [Accepted: 05/07/2024] [Indexed: 06/07/2024]
Abstract
CONTEXT In the pursuit of novel therapeutic possibilities, repurposing existing drugs has gained prominence as an efficient strategy. The findings from our study highlight the potential of repurposed drugs as promising candidates against receptor for advanced glycation endproducts (RAGE) that offer therapeutic implications in cancer, neurodegenerative conditions and metabolic syndromes. Through careful analyses of binding affinities and interaction patterns, we identified a few promising candidates, ultimately focusing on sertindole and temoporfin. These candidates exhibited exceptional binding affinities, efficacy, and specificity within the RAGE binding pocket. Notably, they displayed a pronounced propensity to interact with the active site of RAGE. Our investigation further revealed that sertindole and temoporfin possess desirable pharmacological properties that highlighted them as attractive candidates for targeted drug development. Overall, our integrated computational approach provides a comprehensive understanding of the interactions between repurposed drugs, sertindole and temoporfin and RAGE that pave the way for future experimental validation and drug development endeavors. METHODS We present an integrated approach utilizing molecular docking and extensive molecular dynamics (MD) simulations to evaluate the potential of FDA-approved drugs, sourced from DrugBank, against RAGE. To gain deeper insights into the binding mechanisms of the elucidated candidate repurposed drugs, sertindole and temoporfin with RAGE, we conducted extensive all-atom MD simulations, spanning 500 nanoseconds (ns). These simulations elucidated the conformational dynamics and stability of the RAGE-sertindole and RAGE-temoporfin complexes.
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Affiliation(s)
- Anas Shamsi
- Center of Medical and Bio-Allied Health Sciences Research, Ajman University, Ajman, United Arab Emirates.
| | - Moyad Shahwan
- Center of Medical and Bio-Allied Health Sciences Research, Ajman University, Ajman, United Arab Emirates
- Department of Clinical Sciences, College of Pharmacy and Health Sciences, Ajman University, P.O. Box 346, Ajman, United Arab Emirates
| | - Saleha Anwar
- Centre for Interdisciplinary Research in Basic Sciences, Jamia Millia Islamia, Jamia Nagar, New Delhi, 110025, India
| | - Akram Ashames
- Center of Medical and Bio-Allied Health Sciences Research, Ajman University, Ajman, United Arab Emirates
- Department of Clinical Sciences, College of Pharmacy and Health Sciences, Ajman University, P.O. Box 346, Ajman, United Arab Emirates
| | - Mohd Shahnawaz Khan
- Department of Biochemistry, King Saud University, Riyadh, Kingdom of Saudi Arabia
| | - Dharmendra Kumar Yadav
- Gachon Institute of Pharmaceutical Science and Department of Pharmacy, College of Pharmacy, Gachon University, Incheon, Republic of Korea
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Furkan M, Khan MS, Shahwan M, Hassan N, Yadav DK, Anwar S, Khan RH, Shamsi A. Identifying repurposed drugs as potential inhibitors of Apolipoprotein E: A bioinformatics approach to target complex diseases associated with lipid metabolism and neurodegeneration. Int J Biol Macromol 2024; 259:129167. [PMID: 38176507 DOI: 10.1016/j.ijbiomac.2023.129167] [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: 09/02/2023] [Revised: 12/25/2023] [Accepted: 12/29/2023] [Indexed: 01/06/2024]
Abstract
Apolipoprotein E (ApoE), a pivotal contributor to lipid metabolism and neurodegenerative disorders, emerges as an attractive target for therapeutic intervention. Within this study, we deployed an integrated in-silico strategy, harnessing structure-based virtual screening, to identify potential compounds from DrugBank database. Employing molecular docking, we unveil initial hits by evaluating their binding efficiency with ApoE. This first tier of screening narrows our focus to compounds that exhibit a strong propensity to bind with ApoE. Further, a detailed interaction analysis was carried out to explore the binding patterns of the selected hits towards the ApoE binding site. The selected compounds were then evaluated for the biological properties in PASS analysis, which showed anti-neurodegenerative properties. Building upon this foundation, we delve deeper, employing all-atom molecular dynamics (MD) simulations extending over an extensive 500 ns. In particular, Ergotamine and Dihydroergocristine emerge as noteworthy candidates, binding to ApoE in a competitive mode. This intriguing binding behavior positions these compounds as potential candidates warranting further analysis in the pursuit of novel therapeutics targeting complex diseases associated with lipid metabolism and neurodegeneration. This approach holds the promise of catalyzing advancements in therapeutic intervention for complex disorders, thereby reporting a meaningful pace towards improved healthcare outcomes.
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Affiliation(s)
- Mohammad Furkan
- Department of Biochemistry, Aligarh Muslim University, Aligarh, India
| | - Mohd Shahnawaz Khan
- Department of Biochemistry, College of Science, King Saud University, Saudi Arabia.
| | - Moyad Shahwan
- Center for Medical and Bio-Allied Health Sciences Research, Ajman University, United Arab Emirates; Department of Clinical Sciences, College of Pharmacy and Health Sciences, Ajman University, Ajman, P.O. Box 346, United Arab Emirates.
| | - Nageeb Hassan
- Center for Medical and Bio-Allied Health Sciences Research, Ajman University, United Arab Emirates; Department of Clinical Sciences, College of Pharmacy and Health Sciences, Ajman University, Ajman, P.O. Box 346, United Arab Emirates.
| | - Dharmendra Kumar Yadav
- Gachon Institute of Pharmaceutical Science and Department of Pharmacy, College of Pharmacy, Gachon University, Incheon, Republic of Korea.
| | - Saleha Anwar
- Centre for Interdisciplinary Research in Basic Sciences, Jamia Millia Islamia, Jamia Nagar, New Delhi 110025, India
| | - Rizwan Hasan Khan
- Interdisciplinary Biotechnology Unit, Aligarh Muslim University, Aligarh, India
| | - Anas Shamsi
- Center for Medical and Bio-Allied Health Sciences Research, Ajman University, United Arab Emirates.
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Singh H, Agrawal DK. Discovery of Potential RAGE inhibitors using Receptor-Based Pharmacophore Modeling, High Throughput Virtual Screening and Docking Studies. JOURNAL OF BIOTECHNOLOGY AND BIOMEDICINE 2023; 6:501-513. [PMID: 38050632 PMCID: PMC10695404 DOI: 10.26502/jbb.2642-91280112] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/06/2023]
Abstract
Receptor for Advanced Glycation End products (RAGE) is a transmembrane receptor that can bind to various endogenous and exogenous ligands and initiate the inflammatory downstream signaling pathways. So far RAGE has been involved in various disorders including cardiovascular and neurodegenerative diseases, cancer, and diabetes. Blocking the interactions between RAGE and its ligands is a therapeutic approach to treat these conditions. In this context, we effectively utilized the receptor-based-pharmacophore modeling to discover structurally diverse molecular compounds having potential to effectively bind with RAGE. Two pharmacophore models were developed on V-domain of RAGE using Phase application of Schrodinger suite. The developed pharmacophoric features were used for screening of 1.8 million drug-like molecules downloaded from ChEMBL database. The molecules were scrutinized according to their molecular weight as well as clogP values. Phase screening was performed to find out the molecules that matched the developed pharmacophoric features that were further selected to analyze their binding modes using high-throughput virtual screening, extra precision docking studies and MM-GBSA ΔG binding calculations. These analyses provided ten hit RAGE inhibitory molecules that can bind to two different shallow binding sites on the V-domain of RAGE. Among the obtained compounds two compounds ChEMBL501494 and ChEMBL4081874 were found with best binding free energies that proved their receptor-ligand complex stability within their respective binding cavity on RAGE. Therefore, these molecules could be utilized for further designing and optimizing the future class of potential RAGE inhibitors.
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Affiliation(s)
- Harbinder Singh
- Department of Translational Research, College of the Osteopathic Medicine of the Pacific, Western University of Health Sciences, Pomona, California USA
| | - Devendra K Agrawal
- Department of Translational Research, College of the Osteopathic Medicine of the Pacific, Western University of Health Sciences, Pomona, California USA
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Reddy VP, Aryal P, Soni P. RAGE Inhibitors in Neurodegenerative Diseases. Biomedicines 2023; 11:biomedicines11041131. [PMID: 37189749 DOI: 10.3390/biomedicines11041131] [Citation(s) in RCA: 14] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2023] [Revised: 03/30/2023] [Accepted: 04/07/2023] [Indexed: 05/17/2023] Open
Abstract
Nonenzymatic reactions of reducing sugars with primary amino groups of amino acids, proteins, and nucleic acids, followed by oxidative degradations would lead to the formation of advanced glycation endproducts (AGEs). The AGEs exert multifactorial effects on cell damage leading to the onset of neurological disorders. The interaction of AGEs with the receptors for advanced glycation endproducts (RAGE) contribute to the activation of intracellular signaling and the expression of the pro-inflammatory transcription factors and various inflammatory cytokines. This inflammatory signaling cascade is associated with various neurological diseases, including Alzheimer's disease (AD), secondary effects of traumatic brain injury (TBI), amyotrophic lateral sclerosis (ALS), and diabetic neuropathy, and other AGE-related diseases, including diabetes and atherosclerosis. Furthermore, the imbalance of gut microbiota and intestinal inflammation are also associated with endothelial dysfunction, disrupted blood-brain barrier (BBB) and thereby the onset and progression of AD and other neurological diseases. AGEs and RAGE play an important role in altering the gut microbiota composition and thereby increase the gut permeability and affect the modulation of the immune-related cytokines. The inhibition of the AGE-RAGE interactions, through small molecule-based therapeutics, prevents the inflammatory cascade of events associated with AGE-RAGE interactions, and thereby attenuates the disease progression. Some of the RAGE antagonists, such as Azeliragon, are currently in clinical development for treating neurological diseases, including AD, although currently there have been no FDA-approved therapeutics based on the RAGE antagonists. This review outlines the AGE-RAGE interactions as a leading cause of the onset of neurological diseases and the current efforts on developing therapeutics for neurological diseases based on the RAGE antagonists.
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Affiliation(s)
- V Prakash Reddy
- Department of Chemistry, Missouri University of Science and Technology, Rolla, MO 65409, USA
| | - Puspa Aryal
- Department of Chemistry, Missouri University of Science and Technology, Rolla, MO 65409, USA
| | - Pallavi Soni
- Department of Chemistry, Missouri University of Science and Technology, Rolla, MO 65409, USA
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Rovers E, Liu L, Schapira M. ProxyBind: a Compendium of Binding Sites for Proximity-Induced Pharmacology. Comput Struct Biotechnol J 2022; 20:6163-6171. [PMID: 36420167 PMCID: PMC9674861 DOI: 10.1016/j.csbj.2022.11.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2022] [Revised: 11/04/2022] [Accepted: 11/04/2022] [Indexed: 11/09/2022] Open
Abstract
Proximity-induced pharmacology (ProxPharm) is a novel paradigm in drug discovery where a small molecule brings two proteins in close proximity to elicit a signal, generally from one protein onto another. The potential of ProxPharm compounds as a new therapeutic modality is firmly established by proteolysis targeting chimeras (PROTACs) that bring an E3 ubiquitin ligase in proximity to a target protein to induce ubiquitination and subsequent degradation of the target. The concept can be expanded to induce other post-translational modifications via the recruitment of different types of protein-modifying enzymes. To survey the human proteome for opportunities in proximity pharmacology, we systematically mapped non-catalytic drug binding pockets on the structure of protein-modifying enzymes available from the Protein Databank. In addition to binding sites exploited by previously reported ProxPharm compounds, we identified putative ligandable non-catalytic pockets in 236 kinases, 45 phosphatases, 37 deubiquitinases, 14 methyltransferases, 11 acetyltransferases, 13 glycosyltransferases, 4 deacetylases, 7 demethylases and 2 glycosidases, including cavities occupied by chemical matter that may serve as starting points for future ProxPharm compounds. This systematic survey confirms that proximity pharmacology is a versatile modality with largely unexplored and promising potential and reveals novel opportunities to pharmacologically rewire molecular circuitries. All data is available from the ProxyBind database at https://polymorph.sgc.utoronto.ca/proxybind/index.php.
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Singh H, Agrawal DK. Therapeutic potential of targeting the receptor for advanced glycation end products (RAGE) by small molecule inhibitors. Drug Dev Res 2022; 83:1257-1269. [PMID: 35781678 PMCID: PMC9474610 DOI: 10.1002/ddr.21971] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2022] [Revised: 06/06/2022] [Accepted: 06/12/2022] [Indexed: 01/05/2023]
Abstract
Receptor for advanced glycation end products (RAGE) is a 45 kDa transmembrane receptor of immunoglobulin family that can bind to various endogenous and exogenous ligands and initiate the inflammatory downstream signaling pathways. RAGE is involved in various disorders including cardiovascular and neurodegenerative diseases, cancer, and diabetes. This review summarizes the structural features of RAGE and its various isoforms along with their pathological effects. Mainly, the article emphasized on the translational significance of antagonizing the interactions of RAGE with its ligands using small molecules reported in the last 5 years and discusses future approaches that could be employed to block the interactions in the treatment of chronic inflammatory ailments. The RAGE inhibitors described in this article could prove as a powerful approach in the management of immune‐inflammatory diseases. A critical review of the literature suggests that there is a dire need to dive deeper into the molecular mechanism of action to resolve critical issues that must be addressed to understand RAGE‐targeting therapy and long‐term blockade of RAGE in human diseases.
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Affiliation(s)
- Harbinder Singh
- Department of Translational Research, College of Osteopathic Medicine of the Pacific Western University of Health Sciences, Pomona, California, USA
| | - Devendra K Agrawal
- Department of Translational Research, College of Osteopathic Medicine of the Pacific Western University of Health Sciences, Pomona, California, USA
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Advanced Glycation End-Products (AGEs): Formation, Chemistry, Classification, Receptors, and Diseases Related to AGEs. Cells 2022; 11:cells11081312. [PMID: 35455991 PMCID: PMC9029922 DOI: 10.3390/cells11081312] [Citation(s) in RCA: 150] [Impact Index Per Article: 75.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2022] [Revised: 04/08/2022] [Accepted: 04/11/2022] [Indexed: 01/27/2023] Open
Abstract
Advanced glycation end-products (AGEs) constitute a non-homogenous, chemically diverse group of compounds formed either exogeneously or endogeneously on the course of various pathways in the human body. In general, they are formed non-enzymatically by condensation between carbonyl groups of reducing sugars and free amine groups of nucleic acids, proteins, or lipids, followed by further rearrangements yielding stable, irreversible end-products. In the last decades, AGEs have aroused the interest of the scientific community due to the increasing evidence of their involvement in many pathophysiological processes and diseases, such as diabetes, cancer, cardiovascular, neurodegenerative diseases, and even infection with the SARS-CoV-2 virus. They are recognized by several cellular receptors and trigger many signaling pathways related to inflammation and oxidative stress. Despite many experimental research outcomes published recently, the complexity of their engagement in human physiology and pathophysiological states requires further elucidation. This review focuses on the receptors of AGEs, especially on the structural aspects of receptor-ligand interaction, and the diseases in which AGEs are involved. It also aims to present AGE classification in subgroups and to describe the basic processes leading to both exogeneous and endogeneous AGE formation.
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