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Ahsan R, Kifayat S, Pooniya KK, Kularia S, Adimalla BS, Sanapalli BKR, Sanapalli V, Sigalapalli DK. Bacterial Histidine Kinase and the Development of Its Inhibitors in the 21st Century. Antibiotics (Basel) 2024; 13:576. [PMID: 39061258 PMCID: PMC11274179 DOI: 10.3390/antibiotics13070576] [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: 05/17/2024] [Revised: 06/17/2024] [Accepted: 06/20/2024] [Indexed: 07/28/2024] Open
Abstract
Bacterial histidine kinase (BHK) is a constituent of the two-component signaling (TCS) pathway, which is responsible for the regulation of a number of processes connected to bacterial pathogenicity, virulence, biofilm development, antibiotic resistance, and bacterial persistence. As BHK regulation is diverse, inhibitors can be developed, such as antibiotic synergists, bacteriostatic/bactericidal agents, virulence inhibitors, and biofilm inhibitors. Inhibition of essential BHK has always been an amenable strategy due to the conserved binding sites of the domains across bacterial species and growth dependence. Hence, an inhibitor of BHK might block multiple TCS regulatory networks. This review describes the TCS system and the role of BHK in bacterial virulence and discusses the available inhibitors of BHK, which is a specific response regulator with essential structural features.
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Affiliation(s)
- Ragib Ahsan
- Department of Pharmacy, NIMS Institute of Pharmacy, NIMS University, Jaipur 303121, Rajasthan, India (S.K.)
| | - Sumaiya Kifayat
- Department of Pharmacy, NIMS Institute of Pharmacy, NIMS University, Jaipur 303121, Rajasthan, India (S.K.)
| | - Krishan Kumar Pooniya
- Department of Pharmacy, NIMS Institute of Pharmacy, NIMS University, Jaipur 303121, Rajasthan, India (S.K.)
| | - Sunita Kularia
- Department of Pharmacology, NIMS Institute of Pharmacy, NIMS University, Jaipur 303121, Rajasthan, India;
| | - Bhavani Sailu Adimalla
- Department of Pharmaceutical Analysis, Vignan Pharmacy College, Jawaharlal Nehru Technological University, Vadlamudi, Guntur 522213, Andhra Pradesh, India;
| | - Bharat Kumar Reddy Sanapalli
- Department of Pharmacology, School of Pharmacy & Technology Management, SVKM’s Narsee Monjee Institute of Management Studies (NMIMS) Deemed to-be-University, Jadcherla 509301, Hyderabad, India;
| | - Vidyasrilekha Sanapalli
- Department of Pharmaceutical Chemistry, School of Pharmacy & Technology Management, SVKM’s Narsee Monjee Institute of Management Studies (NMIMS) Deemed to-be-University, Jadcherla 509301, Hyderabad, India
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Helal MH, Owda ME, Mogharbel AT, Hamzah Alessa A, Omer N, Abdelaziz MA, Ibrahim I, Eliwa EM. C 3-Spirooxindoles: Divergent chemical synthesis and bioactivities (2018-2023). Bioorg Chem 2024; 143:107091. [PMID: 38183683 DOI: 10.1016/j.bioorg.2023.107091] [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: 12/26/2023] [Accepted: 12/31/2023] [Indexed: 01/08/2024]
Abstract
This scientific review documents the recent progress of C3-spirooxindoles chemistry (synthesis and reaction mechanism) and their bioactivities, focusing on the promising results as well as highlighting the biological mechanism via the reported molecular docking findings of the most bioactive derivatives. C3-Spirooxindoles are attractive bioactive agents and have been found in a variety of natural compounds, including alkaloids. They are widely investigated in the field of medicinal chemistry and play a key role in medication development, such as antivirals, anticancer agents, antimicrobials, etc. Regarding organic synthesis, several traditional and advanced strategies have been reported, particularly those that started with isatin derivatives.
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Affiliation(s)
- Mohamed H Helal
- Department of Chemistry, Faculty of Arts and Science, Northern Border University, Rafha, 91911, PO 840, Saudi Arabia
| | - Medhat E Owda
- Chemistry Department, Faculty of Science (Boys), Al-Azhar University, Nasr City 11884, Cairo, Egypt
| | - Amal T Mogharbel
- Department of Chemistry, Faculty of Science, University of Tabuk, Tabuk 71491, Kingdom of Saudi Arabia
| | - Ali Hamzah Alessa
- Department of Chemistry, Faculty of Science, University of Tabuk, Tabuk 71491, Kingdom of Saudi Arabia
| | - Noha Omer
- Department of Chemistry, Faculty of Science, University of Tabuk, Tabuk 71491, Kingdom of Saudi Arabia
| | - Mahmoud A Abdelaziz
- Department of Chemistry, Faculty of Science, University of Tabuk, Tabuk 71491, Kingdom of Saudi Arabia
| | - Islam Ibrahim
- Chemistry Department, Faculty of Science (Boys), Al-Azhar University, Nasr City 11884, Cairo, Egypt; Department of Chemistry and Biochemistry, Florida International University, Miami, FL 33199, USA
| | - Essam M Eliwa
- Chemistry Department, Faculty of Science (Boys), Al-Azhar University, Nasr City 11884, Cairo, Egypt; Institute of Chemistry of Strasbourg, UMR 7177-LCSOM, CNRS, Strasbourg University, 4 Rue Blaise Pascal, 67000 Strasbourg, France.
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Radwan AA, Al-Anazi FK, Al-Agamy M, Alghaith AF, Mahrous GM, Alhuzani MR, Alghamdi AS. Design, synthesis and molecular modeling of isatin-aminobenzoic acid hybrids as antibacterial and antibiofilm agents. Saudi Pharm J 2023; 31:101781. [PMID: 37860684 PMCID: PMC10582576 DOI: 10.1016/j.jsps.2023.101781] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2023] [Accepted: 09/03/2023] [Indexed: 10/21/2023] Open
Abstract
Number of factors, including newly emerging infectious diseases and an increase in multi-drug resistant microbial pathogens with particular relevance for Gram-positive bacteria, make the treatment of infectious diseases in hospital-based healthcare a major challenge in the medical community. 4-Aminobenzoic acid (PABA), has demonstrated a variety of biological actions particularly, antimicrobial activity. In our study we coupled this vitamin-like molecule with different isatin derivatives. We investigated the antibacterial activity of the synthesized Schiff's bases. The compounds showed high selective activity against Gram-positive bacteria and showed weak or no activity against both Gram-negative bacteria and fungi. Compound 2a showed highest activity against S. aureus and B. subtilis (MIC 0.09 mmol/L). Additionally, these substances exhibit strong anti-B. Subtilis biofilm formation. We were able to shed insight on the binding mode of these new inhibitors using in silico docking of the compounds in the binding sites of a 3D structure of B. subtilis histidine kinase/Walk. The binding free energy of the compound 2a to the catalytic domain walk, of histidine kinase enzyme of B. subtilis bacteria, was calculated using molecular mechanics/generalized born surface area scoring. The key residues for macromolecule-ligand binding were postulated. The optimized 3D protein-ligand binding modes shed light on the B. subtilis HK/Walk-ligand interactions that afford a means to assess binding affinity to design new HK/Walk inhibitor as antibacterial agents.
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Affiliation(s)
- Awwad A. Radwan
- Kayyali Chair, College of Pharmacy, King Saud University, PO Box 2457, Riyadh 11451, Saudi Arabia
- Department of Pharmaceutics, College of Pharmacy, King Saud University, PO Box 2457, Riyadh 11451, Saudi Arabia
| | - Fares K. Al-Anazi
- Kayyali Chair, College of Pharmacy, King Saud University, PO Box 2457, Riyadh 11451, Saudi Arabia
- Department of Pharmaceutics, College of Pharmacy, King Saud University, PO Box 2457, Riyadh 11451, Saudi Arabia
| | - Mohammed Al-Agamy
- Department of Pharmaceutics, College of Pharmacy, King Saud University, PO Box 2457, Riyadh 11451, Saudi Arabia
| | - Adel F. Alghaith
- Department of Pharmaceutics, College of Pharmacy, King Saud University, PO Box 2457, Riyadh 11451, Saudi Arabia
| | - Gamal M. Mahrous
- Department of Pharmaceutics, College of Pharmacy, King Saud University, PO Box 2457, Riyadh 11451, Saudi Arabia
| | - Mohammad R. Alhuzani
- Department of Pharmaceutics, College of Pharmacy, King Saud University, PO Box 2457, Riyadh 11451, Saudi Arabia
| | - Abdulrhman S.A. Alghamdi
- Department of Pharmaceutics, College of Pharmacy, King Saud University, PO Box 2457, Riyadh 11451, Saudi Arabia
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Panda SS, Girgis AS, Aziz MN, Bekheit MS. Spirooxindole: A Versatile Biologically Active Heterocyclic Scaffold. MOLECULES (BASEL, SWITZERLAND) 2023; 28:molecules28020618. [PMID: 36677676 PMCID: PMC9861573 DOI: 10.3390/molecules28020618] [Citation(s) in RCA: 23] [Impact Index Per Article: 23.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/21/2022] [Revised: 12/27/2022] [Accepted: 01/01/2023] [Indexed: 01/11/2023]
Abstract
Spirooxindoles occupy an important place in heterocyclic chemistry. Many natural spirooxindole-containing compounds have been identified as bio-promising agents. Synthetic analogs have also been synthesized utilizing different pathways. The present article summarizes the recent development of both natural and synthetic spirooxindole-containing compounds prepared from isatin or its derivatives reported in the last five years. The spirooxindoles are categorized based on their mentioned biological properties.
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Affiliation(s)
- Siva S. Panda
- Department of Chemistry and Physics, Augusta University, Augusta, GA 30912, USA
- Correspondence: or
| | - Adel S. Girgis
- Department of Pesticide Chemistry, National Research Centre, Dokki, Giza 12622, Egypt
| | - Marian N. Aziz
- Department of Pesticide Chemistry, National Research Centre, Dokki, Giza 12622, Egypt
| | - Mohamed S. Bekheit
- Department of Pesticide Chemistry, National Research Centre, Dokki, Giza 12622, Egypt
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