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Efficacy of natural antimicrobial peptides versus peptidomimetic analogues: a systematic review. Future Med Chem 2022; 14:1899-1921. [PMID: 36421051 DOI: 10.4155/fmc-2022-0160] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
Abstract
Aims: This systematic review was carried out to determine whether synthetic peptidomimetics exhibit significant advantages over antimicrobial peptides in terms of in vitro potency. Structural features - molecular weight, charge and length - were examined for correlations with activity. Methods: Original research articles reporting minimum inhibitory concentration values against Escherichia coli, indexed until 31 December 2020, were searched in PubMed/ScienceDirect/Google Scholar and evaluated using mixed-effects models. Results: In vitro antimicrobial activity of peptidomimetics resembled that of antimicrobial peptides. Net charge significantly affected minimum inhibitory concentration values (p < 0.001) with a trend of 4.6% decrease for increments in charge by +1. Conclusion: AMPs and antibacterial peptidomimetics exhibit similar potencies, providing an opportunity to exploit the advantageous stability and bioavailability typically associated with peptidomimetics.
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Deng Y, Liu Y, Li J, Wang X, He S, Yan X, Shi Y, Zhang W, Ding L. Marine natural products and their synthetic analogs as promising antibiofilm agents for antibiotics discovery and development. Eur J Med Chem 2022; 239:114513. [DOI: 10.1016/j.ejmech.2022.114513] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2022] [Revised: 05/31/2022] [Accepted: 06/01/2022] [Indexed: 12/25/2022]
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Desai NC, Wadekar KR, Mehta HK, Pandit UP, Khedkar VM. Design, Synthesis, Antibacterial Activity and in Silico Studies of Novel Quinolone Fused with Triazine, Thiadiazole and Oxadiazole Heterocycles. Polycycl Aromat Compd 2021. [DOI: 10.1080/10406638.2021.2009886] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Affiliation(s)
- Nisheeth C. Desai
- Division of Medicinal Chemistry, Department of Chemistry, Maharaja Krishnakumarsinhji Bhavnagar University (DST-FIST Sponsored & UGC NON-SAP), Bhavnagar, Gujarat, India
| | | | - Harsh K. Mehta
- Division of Medicinal Chemistry, Department of Chemistry, Maharaja Krishnakumarsinhji Bhavnagar University (DST-FIST Sponsored & UGC NON-SAP), Bhavnagar, Gujarat, India
| | - Unnat P. Pandit
- Special Centre for Systems Medicine, Jawaharlal Nehru University, New Delhi, India
| | - Vijay M. Khedkar
- School of Pharmacy, Vishwakarma University, Pune, Maharashtra, India
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Yurttaş L, Kubilay A, Evren AE, Kısacık İ, Karaca Gençer H. Synthesis of some novel 3,4,5-trisubstituted triazole derivatives bearing quinoline ring and evaluation of their antimicrobial activity. PHOSPHORUS SULFUR 2020. [DOI: 10.1080/10426507.2020.1756808] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Leyla Yurttaş
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Anadolu University, Eskişehir, Turkey
| | - Aslıhan Kubilay
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Anadolu University, Eskişehir, Turkey
| | - Asaf Evrim Evren
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Anadolu University, Eskişehir, Turkey
- Department of Pharmacy Services, Vocational School of Health Services, Bilecik Seyh Edebali University, Eskişehir, Turkey
| | - İpek Kısacık
- Department of Pharmaceutical Microbiology, Faculty of Pharmacy, Anadolu University, Eskişehir, Turkey
| | - Hülya Karaca Gençer
- Department of Pharmaceutical Microbiology, Faculty of Pharmacy, Anadolu University, Eskişehir, Turkey
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Jain A, Piplani P. Exploring the Chemistry and Therapeutic Potential of Triazoles: A Comprehensive Literature Review. Mini Rev Med Chem 2019; 19:1298-1368. [DOI: 10.2174/1389557519666190312162601] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2018] [Revised: 02/28/2019] [Accepted: 03/06/2019] [Indexed: 12/20/2022]
Abstract
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Triazole is a valuable platform in medicinal chemistry, possessing assorted pharmacological
properties, which could play a major role in the common mechanisms associated with various disorders
like cancer, infections, inflammation, convulsions, oxidative stress and neurodegeneration. Structural
modification of this scaffold could be helpful in the generation of new therapeutically useful
agents. Although research endeavors are moving towards the growth of synthetic analogs of triazole,
there is still a lot of scope to achieve drug discovery break-through in this area. Upcoming therapeutic
prospective of this moiety has captured the attention of medicinal chemists to synthesize novel triazole
derivatives. The authors amalgamated the chemistry, synthetic strategies and detailed pharmacological
activities of the triazole nucleus in the present review. Information regarding the marketed triazole derivatives
has also been incorporated. The objective of the review is to provide insights to designing and
synthesizing novel triazole derivatives with advanced and unexplored pharmacological implications.
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Affiliation(s)
- Ankit Jain
- Department of Pharmaceutical Chemistry, University Institute of Pharmaceutical Sciences, Panjab University, Chandigarh- 160014, India
| | - Poonam Piplani
- Department of Pharmaceutical Chemistry, University Institute of Pharmaceutical Sciences, Panjab University, Chandigarh- 160014, India
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Igumnova EM, Mishchenko E, Haug T, Blencke HM, Sollid JUE, Fredheim EGA, Lauksund S, Stensvåg K, Strøm MB. Amphipathic sulfonamidobenzamides mimicking small antimicrobial marine natural products; investigation of antibacterial and anti-biofilm activity against antibiotic resistant clinical isolates. Bioorg Med Chem 2018; 26:4930-4941. [PMID: 30185388 DOI: 10.1016/j.bmc.2018.08.032] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2018] [Revised: 08/22/2018] [Accepted: 08/26/2018] [Indexed: 01/20/2023]
Abstract
There is an urgent need for novel antimicrobial agents to address the threat of bacterial resistance to modern society. We have used a structural motif found in antimicrobial marine hit compounds as a basis for synthesizing a library of antimicrobial sulfonamidobenzamide lead compounds. Potent in vitro antimicrobial activity against clinically relevant bacterial strains was demonstrated for two compounds, G6 and J18, with minimal inhibitory concentrations (MIC) of 4-16 μg/ml against clinical methicillin-resistant Staphylococcus aureus (MRSA) and vancomycin-resistant Enterococcus faecium (VRE). The two compounds G6 and J18, together with several other compounds of this library, also caused ≥90% eradication of pre-established biofilm of methicillin-resistant S. epidermidis (MRSE) at 40 μg/ml. Using a luciferase assay, the mechanism of action of G6 was shown to resemble the biocide chlorhexidine by targeting the bacterial cell membrane.
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Affiliation(s)
- Elizaveta M Igumnova
- Department of Pharmacy, Faculty of Health Sciences, UiT - The Arctic University of Norway, NO-9037 Tromsø, Norway
| | - Ekaterina Mishchenko
- The Norwegian College of Fishery Science, Faculty of Biosciences, Fisheries and Economics, UiT - The Arctic University of Norway, NO-9037 Tromsø, Norway
| | - Tor Haug
- The Norwegian College of Fishery Science, Faculty of Biosciences, Fisheries and Economics, UiT - The Arctic University of Norway, NO-9037 Tromsø, Norway
| | - Hans-Matti Blencke
- The Norwegian College of Fishery Science, Faculty of Biosciences, Fisheries and Economics, UiT - The Arctic University of Norway, NO-9037 Tromsø, Norway
| | - Johanna U Ericson Sollid
- Department of Medical Biology, Faculty of Health Sciences, UiT - The Arctic University of Norway, NO-9037 Tromsø, Norway
| | - Elizabeth G Aarag Fredheim
- Department of Pharmacy, Faculty of Health Sciences, UiT - The Arctic University of Norway, NO-9037 Tromsø, Norway
| | - Silje Lauksund
- Department of Pharmacy, Faculty of Health Sciences, UiT - The Arctic University of Norway, NO-9037 Tromsø, Norway
| | - Klara Stensvåg
- The Norwegian College of Fishery Science, Faculty of Biosciences, Fisheries and Economics, UiT - The Arctic University of Norway, NO-9037 Tromsø, Norway
| | - Morten B Strøm
- Department of Pharmacy, Faculty of Health Sciences, UiT - The Arctic University of Norway, NO-9037 Tromsø, Norway.
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Brandão GC, Rocha Missias FC, Arantes LM, Soares LF, Roy KK, Doerksen RJ, Braga de Oliveira A, Pereira GR. Antimalarial naphthoquinones. Synthesis via click chemistry, in vitro activity , docking to Pf DHODH and SAR of lapachol-based compounds. Eur J Med Chem 2018; 145:191-205. [DOI: 10.1016/j.ejmech.2017.12.051] [Citation(s) in RCA: 46] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2017] [Revised: 12/11/2017] [Accepted: 12/13/2017] [Indexed: 11/29/2022]
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Dhand R. The Rationale and Evidence for Use of Inhaled Antibiotics to Control Pseudomonas aeruginosa Infection in Non-cystic Fibrosis Bronchiectasis. J Aerosol Med Pulm Drug Deliv 2017; 31:121-138. [PMID: 29077527 PMCID: PMC5994662 DOI: 10.1089/jamp.2017.1415] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Abstract
Non-cystic fibrosis bronchiectasis (NCFBE) is a chronic inflammatory lung disease characterized by irreversible dilation of the bronchi, symptoms of persistent cough and expectoration, and recurrent infective exacerbations. The prevalence of NCFBE is on the increase in the United States and Europe, but no licensed therapies are currently available for its treatment. Although there are many similarities between NCFBE and cystic fibrosis (CF) in terms of respiratory symptoms, airway microbiology, and disease progression, there are key differences, for example, in response to treatment, suggesting differences in pathogenesis. This review discusses possible reasons underlying differences in response to inhaled antibiotics in people with CF and NCFBE. Pseudomonas aeruginosa infections are associated with the most severe forms of bronchiectasis. Suboptimal levels of antibiotics in the lung increase the mutation frequency of P. aeruginosa and lead to the development of mucoid strains characterized by formation of a protective polysaccharide biofilm. Mucoid strains of P. aeruginosa are associated with a chronic infection stage, requiring long-term antibiotic therapy. Inhaled antibiotics provide targeted delivery to the lung with minimal systemic toxicity and adverse events compared with oral/intravenous routes of administration, and they could be alternative treatment options to help address some of the treatment challenges in the management of severe cases of NCFBE. This review provides an overview of completed and ongoing trials that evaluated inhaled antibiotic therapy for NCFBE. Recently, several investigators conducted phase 3 randomized controlled trials with inhaled aztreonam and ciprofloxacin in patients with NCFBE. While the aztreonam trial results were not associated with significant clinical benefit in NCFBE, initial results reported from the inhaled ciprofloxacin (dry powder for inhalation and liposome-encapsulated/dual-release formulations) trials hold promise. A more targeted approach could identify specific populations of NCFBE patients who benefit from inhaled antibiotics.
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Affiliation(s)
- Rajiv Dhand
- Department of Medicine, University of Tennessee Graduate School of Medicine , Knoxville, Tennessee
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