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Mehmood S, Hussain M, Bux K, Hussain Z, Raza Shah M, Ali Jakhrani M, Ali Channar P, Begum I, Saboor R, Yildiz CB, Ali K, Herwig R. Structural dynamics and anti-biofilm screening of novel imidazole derivative to explore their anti-biofilm inhibition mechanism against Pseudomonas Aeruginosa. J Biomol Struct Dyn 2024:1-15. [PMID: 38385459 DOI: 10.1080/07391102.2024.2317983] [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: 06/26/2023] [Accepted: 02/07/2024] [Indexed: 02/23/2024]
Abstract
The biofilm formation is still prevalent mechanism of developing the drug resistance in the Pseudomonas aeruginosa, gram-negative bacteria, known for its major role in nosocomial, ventilator-associated pneumonia (VAP), lung infections and catheter-associated urinary tract infections. As best of our knowledge, current study first time reports the most potent inhibitors of LasR, a transcriptional activator of biofilm and virulence regulating genes in, Pseudomonas aeruginosa LasR, utilizing newly functionalized imidazoles (5a-d), synthesized via 1,3-dipolar cycloaddition using click approach. The synthesized ligands were characterized through Mass Spectrometry and 1H NMR. The binding potency and mode of biding of ligands. Quantum Mechanical(QM) methods were utilized to investigate the electronic basis, HOMO/LUMO and dipole moment of the geometry of the ligands for their binding potency. Dynamics cross correlation matrix (DCCMs) and protein surface analysis were further utilized to explore the structural dynamics of the protein. Free energy of binding of ligands and protein were further estimated using Molecular Mechanical Energies with the Poisson-Boltzmann surface area (MMPBSA) method. Molecular Docking studies revealed significant negative binding energies (5a - 10.33, 5b -10.09, 5c - 10.11, and 5d -8.33 KJ/mol). HOMO/LUMO and potential energy surface map estimation showed the ligands(5a) with lower energy gaps and larger dipole moments had relatively larger binding potency. The significant change in the structural dynamics of LasR protein due to complex formation with newlyfunctionalized imidazoles ligands. Hydrogen bond surface analysis followed by MMPBSA calculations of free energy of binding further complemented the Molecular docking revelations showing the specifically ligand (5a) having the relatively higher energy of binding(-65.22kj/mol).Communicated by Ramaswamy H. Sarma.
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Affiliation(s)
- Shahab Mehmood
- Shaheed Zulfiqar Ali Bhutto Institute of Science and Technology (SZABIST), Pakistan
| | - Mumtaz Hussain
- Department of Chemistry, University of Karachi, Karachi, Pakistan
| | - Khair Bux
- Shaheed Zulfiqar Ali Bhutto Institute of Science and Technology (SZABIST), Pakistan
| | - Zahid Hussain
- Department of Chemistry, University of Karachi, Karachi, Pakistan
| | - Muhammad Raza Shah
- International Center for Chemical and Biological Sciences, H.E.J. Research Institute of Chemistry, Karachi, Pakistan
| | - Mushtaque Ali Jakhrani
- Institute of Chemistry, Shah Abdul Latif University Khairpur mirs, Khairpurmirs, Sindh, Pakistan
| | - Pervaiz Ali Channar
- Department of Basic Sciences and Humanities, Faculty of Information Sciences and Humanities, Dawood University of Engineering and Technology Karachi, Karachi, Pakistan
| | - Irshad Begum
- Department of Chemistry, University of Karachi, Karachi, Pakistan
| | - Rukhsana Saboor
- Department of Pathology, Ghulam Muhammad Mahar Medical College, Sukkur, Pakistan
| | - Cem B Yildiz
- Department of Medicinal and Aromatic Plants, University of Aksaray, Aksaray, Turkey
| | - Kashif Ali
- Shaheed Zulfiqar Ali Bhutto Institute of Science and Technology (SZABIST), Pakistan
| | - Ralf Herwig
- Laboratories PD Dr. R. Herwig, 80337 Munich, Germany and Heimerer-College, Pristina, Kosovo
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Zarenezhad E, Behmard E, Sadeghian I, Sadeghian S, Ghanbariasad A, Ghasemian A, Behrouz S, Zarenezhad A, Rad MNS. Synthesis, cytotoxic evaluation, molecular docking studies and molecular dynamic simulation of some metronidazole analogues. J Mol Struct 2023. [DOI: 10.1016/j.molstruc.2023.135378] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/30/2023]
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Al-blewi F, Shaikh SA, Naqvi A, Aljohani F, Aouad MR, Ihmaid S, Rezki N. Design and Synthesis of Novel Imidazole Derivatives Possessing Triazole Pharmacophore with Potent Anticancer Activity, and In Silico ADMET with GSK-3β Molecular Docking Investigations. Int J Mol Sci 2021; 22:1162. [PMID: 33503871 PMCID: PMC7866082 DOI: 10.3390/ijms22031162] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2020] [Revised: 01/17/2021] [Accepted: 01/19/2021] [Indexed: 11/25/2022] Open
Abstract
A library of novel imidazole-1,2,3-triazole hybrids were designed and synthesized based on the hybrid pharmacophore approach. Therefore, copper(I)catalyzed click reaction of thiopropargylated-imidazole 2 with several organoazides yielded two sets of imidazole-1,2,3-triazole hybrids carrying different un/functionalized alkyl/aryl side chains 4a-k and 6a-e. After full spectroscopic characterization using different spectral techniques (IR, 1H, 13C NMR) and elemental analyses, the resulted adducts were screened for their anticancer activity against four cancer cell lines (Caco-2, HCT-116, HeLa, and MCF-7) by the MTT assay and showed significant activity. In-silico molecular docking study was also investigated on one of the prominent cancer target receptors, i.e., glycogen synthase kinase-3β (GSK-3β), revealing a good binding interaction with our potent compound, 4k and was in agreement with the in vitro cytotoxic results. In addition, the ADMET profile was assessed for these novel derivatives to get an insight on their pharmacokinetic/dynamic attributes. Finally, this research design and synthesis offered click chemistry products with interesting biological motifs mainly 1,2,3 triazoles linked to phenyl imidazole as promising candidates for further investigation as anticancer drugs.
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Affiliation(s)
- Fawzia Al-blewi
- Department of Chemistry, College of Science, Taibah University, Al-Madinah Al-Munawarah 30002, Saudi Arabia; (S.A.S.); (A.N.); (F.A.); (M.R.A.)
| | - Salma Akram Shaikh
- Department of Chemistry, College of Science, Taibah University, Al-Madinah Al-Munawarah 30002, Saudi Arabia; (S.A.S.); (A.N.); (F.A.); (M.R.A.)
| | - Arshi Naqvi
- Department of Chemistry, College of Science, Taibah University, Al-Madinah Al-Munawarah 30002, Saudi Arabia; (S.A.S.); (A.N.); (F.A.); (M.R.A.)
| | - Faizah Aljohani
- Department of Chemistry, College of Science, Taibah University, Al-Madinah Al-Munawarah 30002, Saudi Arabia; (S.A.S.); (A.N.); (F.A.); (M.R.A.)
| | - Mohamed Reda Aouad
- Department of Chemistry, College of Science, Taibah University, Al-Madinah Al-Munawarah 30002, Saudi Arabia; (S.A.S.); (A.N.); (F.A.); (M.R.A.)
| | - Saleh Ihmaid
- Pharmacognosy and Pharmaceutical Chemistry Department, College of Pharmacy, Taibah University, Al-Madinah Al-Munawarah 30002, Saudi Arabia;
| | - Nadjet Rezki
- Department of Chemistry, College of Science, Taibah University, Al-Madinah Al-Munawarah 30002, Saudi Arabia; (S.A.S.); (A.N.); (F.A.); (M.R.A.)
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Abid M. Opportunities and Challenges in the Anticandidal Drug Discovery and Development. LETT DRUG DES DISCOV 2019. [DOI: 10.2174/157018081605190415121529] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Affiliation(s)
- Mohammad Abid
- Department of Biosciences Jamia Millia Islamia New Delhi, India
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