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Peng X, Zeng Z, Hassan S, Xue Y. The potential of marine natural Products: Recent Advances in the discovery of Anti-Tuberculosis agents. Bioorg Chem 2024; 151:107699. [PMID: 39128242 DOI: 10.1016/j.bioorg.2024.107699] [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: 06/24/2024] [Revised: 07/30/2024] [Accepted: 08/04/2024] [Indexed: 08/13/2024]
Abstract
Tuberculosis (TB) is an infectious airborne disease caused by Mycobacterium tuberculosis. Since the 1990 s, many countries have made significant progress in reducing the incidence of TB and associated mortality by improving health services and strengthening surveillance systems. Nevertheless, due to the emergence of multidrug-resistant TB (MDR-TB), alongside extensively drug-resistant TB (XDR-TB) and TB-HIV co-infection, TB remains one of the lead causes of death arising from infectious disease worldwide, especially in developing countries and disadvantaged populations. Marine natural products (MNPs) have received a large amount of attention in recent years as a source of pharmaceutical constituents and lead compounds, and are expected to offer significant resources and potential in the fields of drug development and biotechnology in the years to come. This review summarizes 169 marine natural products and their synthetic derivatives displaying anti-TB activity from 2013 to the present, including their structures, sources and functions. Partial synthetic information and structure-activity relationships (SARs) are also included.
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Affiliation(s)
- Xinyu Peng
- School of Pharmaceutical Sciences (Shenzhen), Sun Yat-Sen University, Shenzhen 518107, China
| | - Ziqian Zeng
- School of Pharmaceutical Sciences (Shenzhen), Sun Yat-Sen University, Shenzhen 518107, China
| | - Said Hassan
- Institute of Biotechnology and Microbiology, Bacha Khan University, Charsadda 24540, Pakistan
| | - Yongbo Xue
- School of Pharmaceutical Sciences (Shenzhen), Sun Yat-Sen University, Shenzhen 518107, China.
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2
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Zhang G, Feng B, Wang Y, Chen J, Ma X, Song Q. 1,1-Oxycarbonation of Terminal Alkynes via Sequential Borylation, 1,2-Migration, and Oxidation with Oxone. Org Lett 2024; 26:3109-3113. [PMID: 38552168 DOI: 10.1021/acs.orglett.4c00738] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/20/2024]
Abstract
Alkynes are readily available and multifunctional synthetic intermediates, but their 1,1-oxofunctionalization remains challenging. Herein, we report a 1,1-oxycarbonation of terminal alkynes to construct ketones through sequential borylation, 1,2-carbon migration, and oxidation with Oxone as the proton source and oxidant. The synthetic potential of this transformation is showcased by the broad functional groups, scale-up synthesis, and diverse product transformations.
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Affiliation(s)
- Guan Zhang
- Key Laboratory of Molecule Synthesis and Function Discovery, Fujian Province University, College of Chemistry at Fuzhou University, Fuzhou, Fujian 350108, China
| | - Bofan Feng
- Key Laboratory of Molecule Synthesis and Function Discovery, Fujian Province University, College of Chemistry at Fuzhou University, Fuzhou, Fujian 350108, China
| | - Yutong Wang
- College of Materials Science and Engineering, Fuzhou University, Fuzhou, Fujian 350108, China
| | - Jinglong Chen
- College of Materials Science and Engineering, Fuzhou University, Fuzhou, Fujian 350108, China
| | - Xingxing Ma
- Key Laboratory of Molecule Synthesis and Function Discovery, Fujian Province University, College of Chemistry at Fuzhou University, Fuzhou, Fujian 350108, China
| | - Qiuling Song
- Key Laboratory of Molecule Synthesis and Function Discovery, Fujian Province University, College of Chemistry at Fuzhou University, Fuzhou, Fujian 350108, China
- School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 453007, China
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3
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Abu‐Hashem AA, Yousif MNM, El‐Gazzar ABA, Hafez HN. Synthesis, design, and antimicrobial activity of pyrido[2,3‐ d][1,2,4]triazolo[4,3‐a]pyrimidinones based on quinoline derivatives. J CHIN CHEM SOC-TAIP 2023; 70:2187-2205. [DOI: 10.1002/jccs.202300212] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2023] [Accepted: 08/07/2023] [Indexed: 07/10/2024]
Abstract
AbstractThe pyrido[2,3‐d]pyrimidine moieties are one of the most biologically widespread heterocyclic compounds as antimicrobial, antioxidant, antitubercular, antiviral and anti‐inflammatory. Hence, we synthesized an efficient new series of 2‐thioxo‐pyrido[2,3‐d]pyrimidinone, 2‐hydrazinyl‐(quinolin‐2‐yl)pyrido[2,3‐d]pyrimidinone,N′‐(quinolin‐2‐yl)‐pyrido[2,3‐d]pyrimidine‐(formo/aceto)‐hydrazide and substituted‐(quinolin‐2‐yl)pyrido[2,3‐d][1,2,4]triazolo[4,3‐a]pyrimidinone derivatives. The characterization of new compounds was corresponded by using spectroscopic techniques, IR, NMR and Mass spectra. In vitro, all compounds were evaluated as antimicrobial activity compared with cefotaxime sodium and nystatin as the standard drug. This work deals with the exploration of the new heterocyclic compounds and medicinal diversity of quinoline‐pyrido[2,3‐d][1,2,4]triazolo[4,3‐a]pyrimidine derivatives that might pave the way for long in the discovery of therapeutic medicine for future drug design.
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Affiliation(s)
- Ameen A. Abu‐Hashem
- Photochemistry Department (Heterocyclic Unit) National Research Centre Giza Egypt
| | - Mahmoud N. M. Yousif
- Photochemistry Department (Heterocyclic Unit) National Research Centre Giza Egypt
| | | | - Hend N. Hafez
- Photochemistry Department (Heterocyclic Unit) National Research Centre Giza Egypt
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4
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Sampiron EG, Calsavara LL, Baldin VP, Montaholi DC, Leme ALD, Namba DY, Alves Olher VG, Caleffi-Ferraciolli KR, Cardoso RF, Siqueira VLD, Vandresen F, Scodro RBDL. Isoniazid-N-acylhydrazones as promising compounds for the anti-tuberculosis treatment. Tuberculosis (Edinb) 2023; 141:102363. [PMID: 37311289 DOI: 10.1016/j.tube.2023.102363] [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: 03/28/2023] [Revised: 05/29/2023] [Accepted: 06/05/2023] [Indexed: 06/15/2023]
Abstract
Tuberculosis (TB), a disease caused by Mycobacterium tuberculosis complex, still presents significant numbers of incidence and mortality, in addition to several cases of drug resistance. Resistance, especially to isoniazid, which is one of the main drugs used in the treatment, has increased. In this context, N-acylhydrazones derived from isoniazid have shown important anti-Mycobacterium tuberculosis activity. Hence, this work aimed to determine the anti-TB potential of 11 isoniazid-N-acylhydrazones (INH-acylhydrazones). For this purpose, the determination of minimum inhibitory concentration (MIC) against M. tuberculosis H37Rv and clinical isolates was carried out. Drug combination, minimum bactericidal concentration, cytotoxicity, and in silico parameters were also performed. INH-acylhydrazones (2), (8), and (9) had MIC for M. tuberculosis H37Rv similar to or lower than isoniazid, and bactericidal activity was observed. In addition, these compounds showed low cytotoxicity, with a selectivity index greater than 3,000. Interesting results were also obtained in the drug combination assay, with synergistic combinations with isoniazid, ethambutol, and rifampicin. In the in silico study, INH-acylhydrazones behaved similarly to INH, but with improvements in some aspects. Based on these findings, it is concluded that compounds (2), (8), and (9) are considered promising scaffolds and warrant further investigation for designing future antimicrobial drugs.
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Affiliation(s)
- Eloísa Gibin Sampiron
- Postgraduate Program in Health Sciences, State University of Maringá (UEM), Maringá, Paraná, 87020-900, Brazil.
| | | | | | - Débora Cássia Montaholi
- Postgraduate Program in Health Sciences, State University of Maringá (UEM), Maringá, Paraná, 87020-900, Brazil
| | | | - Danillo Yuji Namba
- Department of Chemistry, Federal Technological University of Paraná, Londrina, Paraná, 86057-970, Brazil
| | | | - Katiany Rizzieri Caleffi-Ferraciolli
- Postgraduate Program in Bioscience and Physiopathology, UEM, Maringá, Paraná, 87020-900, Brazil; Department of Clinical Analysis and Biomedicine, UEM, Maringá, Paraná, 87020-900, Brazil
| | - Rosilene Fressatti Cardoso
- Postgraduate Program in Health Sciences, State University of Maringá (UEM), Maringá, Paraná, 87020-900, Brazil; Postgraduate Program in Bioscience and Physiopathology, UEM, Maringá, Paraná, 87020-900, Brazil; Department of Clinical Analysis and Biomedicine, UEM, Maringá, Paraná, 87020-900, Brazil
| | - Vera Lucia Dias Siqueira
- Postgraduate Program in Bioscience and Physiopathology, UEM, Maringá, Paraná, 87020-900, Brazil; Department of Clinical Analysis and Biomedicine, UEM, Maringá, Paraná, 87020-900, Brazil
| | - Fábio Vandresen
- Department of Chemistry, Federal Technological University of Paraná, Londrina, Paraná, 86057-970, Brazil
| | - Regiane Bertin de Lima Scodro
- Postgraduate Program in Health Sciences, State University of Maringá (UEM), Maringá, Paraná, 87020-900, Brazil; Department of Clinical Analysis and Biomedicine, UEM, Maringá, Paraná, 87020-900, Brazil
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Ephedra foeminea as a Novel Source of Antimicrobial and Anti-Biofilm Compounds to Fight Multidrug Resistance Phenotype. Int J Mol Sci 2023; 24:ijms24043284. [PMID: 36834695 PMCID: PMC9965181 DOI: 10.3390/ijms24043284] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2022] [Revised: 01/28/2023] [Accepted: 02/02/2023] [Indexed: 02/10/2023] Open
Abstract
Plants are considered a wealthy resource of novel natural drugs effective in the treatment of multidrug-resistant infections. Here, a bioguided purification of Ephedra foeminea extracts was performed to identify bioactive compounds. The determination of antimicrobial properties was achieved by broth microdilution assays to evaluate minimal inhibitory concentration (MIC) values and by crystal violet staining and confocal laser scanning microscopy analyses (CLSM) to investigate the antibiofilm capacity of the isolated compounds. Assays were performed on a panel of three gram-positive and three gram-negative bacterial strains. Six compounds were isolated from E. foeminea extracts for the first time. They were identified by nuclear magnetic resonance (NMR) spectroscopy and mass spectrometry (MS) analyses as the well-known monoterpenoid phenols carvacrol and thymol and as four acylated kaempferol glycosides. Among them, the compound kaempferol-3-O-α-L-(2″,4″-di-E-p-coumaroyl)-rhamnopyranoside was found to be endowed with strong antibacterial properties and significant antibiofilm activity against S. aureus bacterial strains. Moreover, molecular docking studies on this compound suggested that the antibacterial activity of the tested ligand against S. aureus strains might be correlated to the inhibition of Sortase A and/or of tyrosyl tRNA synthase. Collectively, the results achieved open interesting perspectives to kaempferol-3-O-α-L-(2″,4″-di-E-p-coumaroyl)-rhamnopyranoside applicability in different fields, such as biomedical applications and biotechnological purposes such as food preservation and active packaging.
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Abdelbaset S, El-Kersh DM, Ayoub IM, Eldahshan OA. GC-MS profiling of Vitex pinnata bark lipophilic extract and screening of its anti-TB and cytotoxic activities. Nat Prod Res 2022:1-7. [PMID: 36110061 DOI: 10.1080/14786419.2022.2124512] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
Abstract
Tuberculosis is a highly infectious ailment worldwide. The emergence of multi-drug resistance and serious adverse effects of anti-TB drugs have led to the continuous search of natural candidates. This study aimed to analyse the chemical profile of Vitex pinnata (VP) bark lipophilic extract using GC-MS also evaluating its anti-TB and cytotoxic activities. GC-MS revealed a total of 81 compounds which representing 86% identified compounds. In vitro anti-TB of VP lipophilic extract was evaluated using the Microplate Alamar Blue Assay which exhibited MIC value of 62.5 µg/mL. In vitro cytotoxicity was evaluated using Water Soluble formazan assay recording IC50 > 100 and 200 µg/mL using Vero and A-549 cell lines, respectively. In silico docking study was performed on the major identified compounds, n-nonane showed the most favourable binding affinity (ΔG) equals to -33.34 Kcal/mol. The results obtained herein unravelled the potential use of VP n-hexane extract as a natural anti-TB.
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Affiliation(s)
- Safa Abdelbaset
- Pharmacognosy Department, Faculty of Pharmacy, The British University in Egypt (BUE), Cairo, Egypt
| | - Dina M. El-Kersh
- Pharmacognosy Department, Faculty of Pharmacy, The British University in Egypt (BUE), Cairo, Egypt
- Center for Drug Research and Development (CDRD), The British University in Egypt (BUE), Cairo, Egypt
| | - Iriny M. Ayoub
- Pharmacognosy Department, Faculty of Pharmacy, Ain Shams University, Cairo, Egypt
| | - Omayma A. Eldahshan
- Pharmacognosy Department, Faculty of Pharmacy, Ain Shams University, Cairo, Egypt
- Center for Drug Discovery Research and Development, Ain Shams University, Cairo, Egypt
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7
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Liu CX, Zhao X, Wang L, Yang ZC. Quinoline derivatives as potential anti-tubercular agents: Synthesis, molecular docking and mechanism of action. Microb Pathog 2022; 165:105507. [DOI: 10.1016/j.micpath.2022.105507] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2021] [Revised: 02/27/2022] [Accepted: 03/26/2022] [Indexed: 10/18/2022]
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Valverde TL, Sampiron EG, Montaholi DC, Baldin VP, Insaurralde DD, Alves-Olher VG, Siqueira VL, Caleffi-Ferracioli KR, Cardoso RF, Vandresen F, Scodro RB. 3,5-dinitrobenzoylhydrazone derivatives as a scaffold for antituberculosis drug development. Future Microbiol 2022; 17:267-280. [PMID: 35164529 DOI: 10.2217/fmb-2021-0119] [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: 11/21/2022] Open
Abstract
Background: The development of drugs is essential to eradicate tuberculosis. Materials & methods: Sixteen 3,5-dinitrobenzoylhydrazone (2-17) derivatives and their synthetic precursors 3,5-dinitrobenzoylhydrazide (1) and methyl ester (18) were screened for their anti-Mycobacterium tuberculosis (Mtb) potential. Results: Twelve compounds had minimum inhibitory concentration (MIC) ranging from 0.24 to 7.8 μg/ml against the Mtb strain. The activity was maintained in multidrug-resistant Mtb clinical isolates. Only compound (17) showed activity against nontuberculous mycobacteria. The compounds exhibited a limited spectrum of activity, with an MIC >500 μg/ml against Gram-positive and -negative bacteria. Compounds (2), (5) and (11) showed a synergistic effect with rifampicin. An excellent selectivity index value was found, with values reaching 583.33. Conclusion: 3,5-dinitrobenzoylhydrazone derivatives could be considered as a scaffold for the development of antituberculosis drugs.
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Affiliation(s)
- Tamires L Valverde
- Postgraduate Program in Health Sciences, State University of Maringá, Maringá, Paraná, 87020-900, Brazil
| | - Eloísa G Sampiron
- Postgraduate Program in Health Sciences, State University of Maringá, Maringá, Paraná, 87020-900, Brazil
| | - Débora C Montaholi
- Postgraduate Program in Health Sciences, State University of Maringá, Maringá, Paraná, 87020-900, Brazil
| | - Vanessa P Baldin
- Postgraduate Program in Bioscience & Physiopathology, State University of Maringá, Maringá, Paraná, 87020-900, Brazil
| | - Diego Dr Insaurralde
- Department of Chemistry, Federal Technological University of Paraná, Londrina, Paraná, 86036-370, Brazil
| | - Vanessa G Alves-Olher
- Department of Chemistry, Federal Institute of Paraná, Paranavaí, Paraná, 87703-536, Brazil
| | - Vera Ld Siqueira
- Postgraduate Program in Bioscience & Physiopathology, State University of Maringá, Maringá, Paraná, 87020-900, Brazil
| | - Katiany R Caleffi-Ferracioli
- Postgraduate Program in Bioscience & Physiopathology, State University of Maringá, Maringá, Paraná, 87020-900, Brazil
| | - Rosilene F Cardoso
- Postgraduate Program in Health Sciences, State University of Maringá, Maringá, Paraná, 87020-900, Brazil.,Postgraduate Program in Bioscience & Physiopathology, State University of Maringá, Maringá, Paraná, 87020-900, Brazil
| | - Fábio Vandresen
- Department of Chemistry, Federal Technological University of Paraná, Londrina, Paraná, 86036-370, Brazil
| | - Regiane Bl Scodro
- Postgraduate Program in Health Sciences, State University of Maringá, Maringá, Paraná, 87020-900, Brazil
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Effect of Curcumin in Experimental Pulmonary Tuberculosis: Antimycobacterial Activity in the Lungs and Anti-Inflammatory Effect in the Brain. Int J Mol Sci 2022; 23:ijms23041964. [PMID: 35216083 PMCID: PMC8876821 DOI: 10.3390/ijms23041964] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2021] [Revised: 01/29/2022] [Accepted: 02/01/2022] [Indexed: 02/04/2023] Open
Abstract
Tuberculosis (TB) is one of the ten leading causes of death worldwide. Patients with TB have been observed to suffer from depression and anxiety linked to social variables. Previous experiments found that the substantial pulmonary inflammation associated with TB causes neuroinflammation, neuronal death, and behavioral impairments in the absence of brain infection. Curcumin (CUR) is a natural product with antioxidant, anti-inflammatory and antibacterial activities. In this work, we evaluated the CUR effect on the growth control of mycobacteria in the lungs and the anti-inflammatory effect in the brain using a model of progressive pulmonary TB in BALB/c mice infected with drug-sensitive mycobacteria (strain H37Rv). The results have shown that CUR decreased lung bacilli load and pneumonia of infected animals. Finally, CUR significantly decreased neuroinflammation (expression of TNFα, IFNγ and IL12) and slightly increased the levels of nuclear factor erythroid 2-related to factor 2 (Nrf2) and the brain-derived neurotrophic factor (BDNF) levels, improving behavioral status. These results suggest that CUR has a bactericidal effect and can control pulmonary mycobacterial infection and reduce neuroinflammation. It seems that CUR has a promising potential as adjuvant therapy in TB treatment.
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da Cruz JER, Saldanha HC, Freitas GROE, Morais ER. A review of medicinal plants used in the Brazilian Cerrado for the treatment of fungal and bacterial infections. J Herb Med 2022. [DOI: 10.1016/j.hermed.2021.100523] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Aro AO, Famuyide IM, Oyagbemi AA, Kabongo-Kayoka PN, McGaw LJ. In Vitro Potential of the Acetone Leaf Extract and Fractions of Psychotria capensis (Eckl.) Vatke (Rubiaceae) to Combat Co-Infection of Tuberculosis and Helminthiasis. Front Pharmacol 2022; 12:744137. [PMID: 35087402 PMCID: PMC8787188 DOI: 10.3389/fphar.2021.744137] [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: 08/17/2021] [Accepted: 12/16/2021] [Indexed: 11/15/2022] Open
Abstract
Tuberculosis (TB) is a disease of global importance that affects millions of people. Approximately a quarter of the world’s population is currently infected with M. tuberculosis, and about 10% of those infected will develop into active disease, particularly immune compromised individuals. Helminthiasis is of global health importance, affecting over 2 billion people mostly in resource-poor countries. Co-infection with tuberculosis (TB) and helminths (worms) is an emerging global public health concern with both affecting about one-third of the global population. Chronic infection with helminths can result in impaired immune responses to TB as well as enhancing failure to TB therapy and BCG vaccination. Antimycobacterial and anthelmintic activities of the acetone extract and fractions of Psychotria capensis were evaluated, including their in vitro safety. In addition, the anti-inflammatory and immunomodulatory effect of the fractions and crude extract of P. capensis were assessed. Antimycobacterial activity of the extract and fractions was tested against four non-tuberculous mycobacteria (Mycobacterium smegmatis, M. fortuitum, M. aurum, M. bovis BCG) and pathogenic M. tuberculosis H37Rv while the Egg Hatch Assay (EHA) was used for the anthelmintic test on eggs of Haemonchus contortus. Cytotoxicity was determined against Vero kidney cells while in vitro immune modulation via cytokine production was determined on activated macrophages. The minimum inhibitory concentration (MIC) values of the Psychotria capensis acetone extract and fractions ranged from 39 to 1,250 μg/ml with the crude extract and hexane fraction having the best MIC values (both 39 μg/ml). In the EHA, the inhibitory concentration (IC50) ranged from 160 to 630 μg/ml with the hexane fraction having the best activity. The hexane and chloroform fractions were relatively non-toxic with LC50 values of 290 and 248 μg/ml respectively, while the acetone crude extract (64 μg/ml) and n-butanol fraction (71 μg/ml) were moderately toxic. The SI values (LC50/MIC) ranged from 0.1 to 7.4 with the hexane fraction having the highest value against M. smegmatis (7.4). The hexane fraction had the best dual anthelmintic and antimycobacterial activity. This fraction had the best NO inhibitory activity and was the least cytotoxic, indicating that its activity was not due to general metabolic toxicity, with 96.54% cell viability. Pro-inflammatory cytokines such as IL-12p70 were upregulated while IL-10 expression was inhibited by the extracts. Compounds were detected using GC-MS analysis, and in both the crude acetone extract and the hexane fraction was the diterpene neophytadiene, which has anti-inflammatory and antimicrobial activity. Finding alternative or complementary approaches to dealing with TB infections by, amongst other things, reducing the incidence of helminth infestations may lessen the burden of TB, contributing to slowing the spread of multi-drug resistance.
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Affiliation(s)
- Abimbola O Aro
- Department of Agriculture and Animal Health, College of Agriculture and Environmental Science, University of South Africa, Florida, South Africa
| | - Ibukun M Famuyide
- Phytomedicine Programme, Department of Paraclinical Sciences, Faculty of Veterinary Science, University of Pretoria, Pretoria, South Africa
| | - Ademola A Oyagbemi
- Department of Veterinary Physiology and Biochemistry, Faculty of Veterinary Medicine, University of Ibadan, Ibadan, Nigeria
| | - Prudence N Kabongo-Kayoka
- Department of Agriculture and Animal Health, College of Agriculture and Environmental Science, University of South Africa, Florida, South Africa
| | - Lyndy J McGaw
- Phytomedicine Programme, Department of Paraclinical Sciences, Faculty of Veterinary Science, University of Pretoria, Pretoria, South Africa
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12
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Han C, Liu Y, Tian X, Rominger F, Hashmi ASK. Dual Gold/Silver Catalysis: Indolizines from 2-Substituted Pyridine Derivatives via a Tandem C(sp 3)-H Alkynylation/Iminoauration. Org Lett 2021; 23:9480-9484. [PMID: 34874732 DOI: 10.1021/acs.orglett.1c03667] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
A dual gold/silver-catalyzed cascade C(sp3)-H alkynylation/iminoauration of 2-substituted pyridines with hypervalent iodine(III) reagents for the synthesis of indolizines is described. This novel reaction involves the formation of an alkynyl Au(III) species, a dual gold/silver-catalyzed C(sp3)-H functionalization, and a subsequent iminoauration process. A number of indolizines bearing diverse functionalities were prepared in good to excellent yield. Furthermore, a gram-scale reaction was efficiently conducted.
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Affiliation(s)
- Chunyu Han
- Organisch Chemisches Institut, Heidelberg University, Im Neuenheimer Feld 270, 69120 Heidelberg, Germany
| | - Yaowen Liu
- Organisch Chemisches Institut, Heidelberg University, Im Neuenheimer Feld 270, 69120 Heidelberg, Germany
| | - Xianhai Tian
- Organisch Chemisches Institut, Heidelberg University, Im Neuenheimer Feld 270, 69120 Heidelberg, Germany
| | - Frank Rominger
- Organisch Chemisches Institut, Heidelberg University, Im Neuenheimer Feld 270, 69120 Heidelberg, Germany
| | - A Stephen K Hashmi
- Organisch Chemisches Institut, Heidelberg University, Im Neuenheimer Feld 270, 69120 Heidelberg, Germany.,Chemistry Department, Faculty of Science, King Abdulaziz University, Jeddah 21589, Saudi Arabia
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13
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Vaou N, Stavropoulou E, Voidarou C, Tsigalou C, Bezirtzoglou E. Towards Advances in Medicinal Plant Antimicrobial Activity: A Review Study on Challenges and Future Perspectives. Microorganisms 2021; 9:microorganisms9102041. [PMID: 34683362 PMCID: PMC8541629 DOI: 10.3390/microorganisms9102041] [Citation(s) in RCA: 172] [Impact Index Per Article: 57.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2021] [Revised: 09/22/2021] [Accepted: 09/23/2021] [Indexed: 12/17/2022] Open
Abstract
The increasing incidence of drug- resistant pathogens raises an urgent need to identify and isolate new bioactive compounds from medicinal plants using standardized modern analytical procedures. Medicinal plant-derived compounds could provide novel straightforward approaches against pathogenic bacteria. This review explores the antimicrobial activity of plant-derived components, their possible mechanisms of action, as well as their chemical potential. The focus is put on the current challenges and future perspectives surrounding medicinal plants antimicrobial activity. There are some inherent challenges regarding medicinal plant extracts and their antimicrobial efficacy. Appropriate and optimized extraction methodology plant species dependent leads to upgraded and selective extracted compounds. Antimicrobial susceptibility tests for the determination of the antimicrobial activity of plant extracts may show variations in obtained results. Moreover, there are several difficulties and problems that need to be overcome for the development of new antimicrobials from plant extracts, while efforts have been made to enhance the antimicrobial activity of chemical compounds. Research on the mechanisms of action, interplay with other substances, and the pharmacokinetic and/or pharmacodynamic profile of the medicinal plant extracts should be given high priority to characterize them as potential antimicrobial agents.
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Affiliation(s)
- Natalia Vaou
- Laboratory of Hygiene and Environmental Protection, Department of Medicine, Democritus University of Thrace, Dragana, 68100 Alexandroupolis, Greece;
- Correspondence: (N.V.); (E.S.)
| | - Elisavet Stavropoulou
- Department of Infectious Diseases, Centre Hospitalier Universitaire Vaudois (CHUV), Rue du Bugnon, 1011 Lausanne, Switzerland
- Correspondence: (N.V.); (E.S.)
| | - Chrysa Voidarou
- Department of Agriculture, University of Ioannina, 47132 Arta, Greece;
| | - Christina Tsigalou
- Laboratory of Microbiology, Department of Medicine, Democritus University of Thrace, Dragana, 68100 Alexandroupolis, Greece;
| | - Eugenia Bezirtzoglou
- Laboratory of Hygiene and Environmental Protection, Department of Medicine, Democritus University of Thrace, Dragana, 68100 Alexandroupolis, Greece;
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14
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Cazzaniga G, Mori M, Chiarelli LR, Gelain A, Meneghetti F, Villa S. Natural products against key Mycobacterium tuberculosis enzymatic targets: Emerging opportunities for drug discovery. Eur J Med Chem 2021; 224:113732. [PMID: 34399099 DOI: 10.1016/j.ejmech.2021.113732] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2021] [Revised: 07/15/2021] [Accepted: 07/28/2021] [Indexed: 11/16/2022]
Abstract
For centuries, natural products (NPs) have served as powerful therapeutics against a variety of human ailments. Nowadays, they still represent invaluable resources for the treatment of many diseases, including bacterial infections. After nearly three decades since the World Health Organization's (WHO) declaration of tuberculosis (TB) as a global health emergency, Mycobacterium tuberculosis (Mtb) continues to claim millions of lives, remaining among the leading causes of death worldwide. In the last years, several efforts have been devoted to shortening and improving treatment outcomes, and to overcoming the increasing resistance phenomenon. Nature has always provided a virtually unlimited source of bioactive molecules, which have inspired the development of new drugs. NPs are characterized by an exceptional chemical and structural diversity, the result of millennia of evolutionary responses to various stimuli. Thanks to their favorable structural features and their enzymatic origin, they are naturally prone to bind proteins and exhibit bioactivities. Furthermore, their worldwide distribution and ease of accessibility has contributed to promote investigations on their activity. Overall, these characteristics make NPs excellent models for the design of novel therapeutics. This review offers a critical and comprehensive overview of the most promising NPs, isolated from plants, fungi, marine species, and bacteria, endowed with inhibitory properties against traditional and emerging mycobacterial enzymatic targets. A selection of 86 compounds is here discussed, with a special emphasis on their biological activity, structure-activity relationships, and mechanism of action. Our study corroborates the antimycobacterial potential of NPs, substantiating their relevance in future drug discovery and development efforts.
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Affiliation(s)
- Giulia Cazzaniga
- Department of Pharmaceutical Sciences, University of Milan, via L. Mangiagalli 25, 20133, Milano, Italy
| | - Matteo Mori
- Department of Pharmaceutical Sciences, University of Milan, via L. Mangiagalli 25, 20133, Milano, Italy
| | - Laurent Roberto Chiarelli
- Department of Biology and Biotechnology "Lazzaro Spallanzani", University of Pavia, via A. Ferrata 9, 27100, Pavia, Italy
| | - Arianna Gelain
- Department of Pharmaceutical Sciences, University of Milan, via L. Mangiagalli 25, 20133, Milano, Italy
| | - Fiorella Meneghetti
- Department of Pharmaceutical Sciences, University of Milan, via L. Mangiagalli 25, 20133, Milano, Italy.
| | - Stefania Villa
- Department of Pharmaceutical Sciences, University of Milan, via L. Mangiagalli 25, 20133, Milano, Italy
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15
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Han J, Liu X, Zhang L, Quinn RJ, Feng Y. Anti-mycobacterial natural products and mechanisms of action. Nat Prod Rep 2021; 39:77-89. [PMID: 34226909 DOI: 10.1039/d1np00011j] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Covering: up to June, 2020Tuberculosis (TB) continues to be a major disease with high mortality and morbidity globally. Drug resistance and long duration of treatment make antituberculosis drug discovery more challenging. In this review, we summarize recent advances on anti-TB natural products (NPs) and their potential molecular targets in cell wall synthesis, protein production, energy generation, nucleic acid synthesis and other emerging areas. We highlight compounds with activity against drug-resistant TB, and reveal several novel targets including Mtb biotin synthase, ATP synthase, 1,4-dihydroxy-2-naphthoate prenyltransferase and biofilms. These anti-TB NPs and their targets could facilitate target-based screening and accelerate TB drug discovery.
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Affiliation(s)
- Jianying Han
- Griffith Institute for Drug Discovery, Griffith University, Brisbane, QLD 4111, Australia.
| | - Xueting Liu
- State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, Shanghai 200237, China
| | - Lixin Zhang
- State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, Shanghai 200237, China
| | - Ronald J Quinn
- Griffith Institute for Drug Discovery, Griffith University, Brisbane, QLD 4111, Australia.
| | - Yunjiang Feng
- Griffith Institute for Drug Discovery, Griffith University, Brisbane, QLD 4111, Australia.
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16
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Wang JP, Shu Y, Liu R, Gan JL, Deng SP, Cai XY, Hu JT, Cai L, Ding ZT. Bioactive sesterterpenoids from the fungus Penicillium roqueforti YJ-14. PHYTOCHEMISTRY 2021; 187:112762. [PMID: 33940379 DOI: 10.1016/j.phytochem.2021.112762] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/16/2020] [Revised: 03/23/2021] [Accepted: 03/25/2021] [Indexed: 06/12/2023]
Abstract
Seven previously undescribed sesterterpenes were characterized from Penicillium roqueforti YJ-14 by solid fermentation. Their structures were initially investigated in detail by spectroscopic analyses and HR-ESI-MS and were further confirmed by X-crystallography. In in vitro bioassays, compounds 1, 5 and 7 showed cytotoxic activity against the MCF-7 breast cancer cell line with IC50 values of 7.98 ± 0.93, 6.42 ± 0.41 and 7.32 ± 0.18 μM, respectively. Compounds 5 and 7 displayed significant cytotoxicity against the A549 lung cancer cell line (IC50 values of 4.83 ± 0.22 μM and 4.58 ± 0.85 μM, respectively). In addition, compound 5 showed an obvious inhibitory effect on nitric oxide production in LPS-activated RAW264.7 macrophages with an IC50 value of 9.53 ± 0.16 μM.
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Affiliation(s)
- Jia-Peng Wang
- Functional Molecules Analysis and Biotransformation Key Laboratory of Universities in Yunnan Province, Key Laboratory of Medicinal Chemistry for Natural Resource, Ministry of Education, School of Chemical Science and Technology, Yunnan University, Kunming, 650091, People's Republic of China
| | - Yan Shu
- Functional Molecules Analysis and Biotransformation Key Laboratory of Universities in Yunnan Province, Key Laboratory of Medicinal Chemistry for Natural Resource, Ministry of Education, School of Chemical Science and Technology, Yunnan University, Kunming, 650091, People's Republic of China
| | - Rui Liu
- Functional Molecules Analysis and Biotransformation Key Laboratory of Universities in Yunnan Province, Key Laboratory of Medicinal Chemistry for Natural Resource, Ministry of Education, School of Chemical Science and Technology, Yunnan University, Kunming, 650091, People's Republic of China
| | - Jun-Li Gan
- Functional Molecules Analysis and Biotransformation Key Laboratory of Universities in Yunnan Province, Key Laboratory of Medicinal Chemistry for Natural Resource, Ministry of Education, School of Chemical Science and Technology, Yunnan University, Kunming, 650091, People's Republic of China
| | - Si-Ping Deng
- Functional Molecules Analysis and Biotransformation Key Laboratory of Universities in Yunnan Province, Key Laboratory of Medicinal Chemistry for Natural Resource, Ministry of Education, School of Chemical Science and Technology, Yunnan University, Kunming, 650091, People's Republic of China
| | - Xue-Yun Cai
- Functional Molecules Analysis and Biotransformation Key Laboratory of Universities in Yunnan Province, Key Laboratory of Medicinal Chemistry for Natural Resource, Ministry of Education, School of Chemical Science and Technology, Yunnan University, Kunming, 650091, People's Republic of China
| | - Jun-Tao Hu
- Functional Molecules Analysis and Biotransformation Key Laboratory of Universities in Yunnan Province, Key Laboratory of Medicinal Chemistry for Natural Resource, Ministry of Education, School of Chemical Science and Technology, Yunnan University, Kunming, 650091, People's Republic of China
| | - Le Cai
- Functional Molecules Analysis and Biotransformation Key Laboratory of Universities in Yunnan Province, Key Laboratory of Medicinal Chemistry for Natural Resource, Ministry of Education, School of Chemical Science and Technology, Yunnan University, Kunming, 650091, People's Republic of China.
| | - Zhong-Tao Ding
- Functional Molecules Analysis and Biotransformation Key Laboratory of Universities in Yunnan Province, Key Laboratory of Medicinal Chemistry for Natural Resource, Ministry of Education, School of Chemical Science and Technology, Yunnan University, Kunming, 650091, People's Republic of China.
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17
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Zampieri D, Mamolo MG. Hybridization Approach to Drug Discovery Inhibiting Mycobacterium tuberculosis-An Overview. Curr Top Med Chem 2021; 21:777-788. [PMID: 32814528 DOI: 10.2174/1568026620666200819151342] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2020] [Revised: 07/10/2020] [Accepted: 07/16/2020] [Indexed: 11/22/2022]
Abstract
Tuberculosis is one of the top 10 causes of death worldwide and the leading cause of death from a single infectious agent, mainly due to Mycobacterium tuberculosis (MTB). Recently, clinical prognoses have worsened due to the emergence of multi-drug resistant (MDR) and extensive-drug resistant (XDR) tuberculosis, which lead to the need for new, efficient and safe drugs. Among the several strategies, polypharmacology could be considered one of the best solutions, in particular, the multitarget directed ligands strategy (MTDLs), based on the synthesis of hybrid ligands acting against two targets of the pathogen. The framework strategy comprises linking, fusing and merging approaches to develop new chemical entities. With these premises, this review aims to provide an overview of the recent hybridization approach, in medicinal chemistry, of the most recent and promising multitargeting antimycobacterial candidates.
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Affiliation(s)
- Daniele Zampieri
- Department of Chemical and Pharmaceutical Sciences, P.le Europa 1, University of Trieste, Trieste 34127, Italy
| | - Maria G Mamolo
- Department of Chemical and Pharmaceutical Sciences, P.le Europa 1, University of Trieste, Trieste 34127, Italy
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18
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Patel DK, Dutta SD, Ganguly K, Cho SJ, Lim KT. Mushroom-Derived Bioactive Molecules as Immunotherapeutic Agents: A Review. Molecules 2021; 26:molecules26051359. [PMID: 33806285 PMCID: PMC7961999 DOI: 10.3390/molecules26051359] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2021] [Revised: 02/25/2021] [Accepted: 02/26/2021] [Indexed: 12/12/2022] Open
Abstract
Mushrooms with enhanced medicinal properties focus on finding such compounds that could modulate the human body's immune systems. Mushrooms have antimicrobial, antidiabetic, antiviral, hepatoprotective, antitumor, and immunomodulatory properties due to the presence of various bioactive components. β-glucans are the major constituent of the mushroom cell wall and play a significant role in their biological activity. This review described the techniques used in the extraction of the active ingredients from the mushroom. We highlighted the structure of the bioactive polysaccharides present in the mushrooms. Therapeutic applications of different mushrooms were also described. It is interesting to note that mushrooms have the potential sources of many bioactive products that can regulate immunity. Thus, the development of functional medicinal food based on the mushroom is vital for human welfare.
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Affiliation(s)
- Dinesh K. Patel
- Department of Biosystems Engineering, College of Agriculture and Life Science, Kangwon National University, Chuncheon 24341, Korea; (D.K.P.); (S.D.D.); (K.G.)
| | - Sayan Deb Dutta
- Department of Biosystems Engineering, College of Agriculture and Life Science, Kangwon National University, Chuncheon 24341, Korea; (D.K.P.); (S.D.D.); (K.G.)
| | - Keya Ganguly
- Department of Biosystems Engineering, College of Agriculture and Life Science, Kangwon National University, Chuncheon 24341, Korea; (D.K.P.); (S.D.D.); (K.G.)
| | - Seong-Jun Cho
- Department of Food Science and Biotechnology, College of Agriculture and Life Sciences, Kangwon National University, Chuncheon 24341, Korea;
| | - Ki-Taek Lim
- Department of Biosystems Engineering, College of Agriculture and Life Science, Kangwon National University, Chuncheon 24341, Korea; (D.K.P.); (S.D.D.); (K.G.)
- Correspondence: ; Tel.: +82-033-250-6491
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19
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Bhardwaj N, Pathania A, Kumar P. Naturally Available Nitrogen-Containing Fused Heterocyclics as Prospective Lead Molecules in Medicinal Chemistry. CURRENT TRADITIONAL MEDICINE 2021. [DOI: 10.2174/2215083805666190613125700] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Heterocyclic compounds constitute one of the largest and most versatile families
of organic compounds. There are many heterocyclic compounds that are being isolated from
natural sources and day by day the number is increasing rapidly due to their enormous utility.
Nitrogen containing heterocyclic compounds have a prominent role in medicinal chemistry,
biochemistry and other streams of science. In this review, we have covered most of the
biologically active nitrogen containing heterocyclic compounds obtained from the natural
sources including indole, carbazole, quinoline, isoquinoline and benzothiazole ring system.
These isolated nitrogen containing heterocyclic compounds render wide spectrum of biological
activities including antifungal, anti-inflammatory, antibacterial, antioxidants, anticonvulsant,
anti-allergic, herbicidal and anticancer activities.
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Affiliation(s)
- Nivedita Bhardwaj
- Department of Pharmaceutical Sciences and Natural Products, Central University of Punjab, Bathinda, India
| | - Akashdeep Pathania
- Department of Pharmaceutical Sciences and Natural Products, Central University of Punjab, Bathinda, India
| | - Pradeep Kumar
- Department of Pharmaceutical Sciences and Natural Products, Central University of Punjab, Bathinda, India
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20
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Matada BS, Pattanashettar R, Yernale NG. A comprehensive review on the biological interest of quinoline and its derivatives. Bioorg Med Chem 2020; 32:115973. [PMID: 33444846 DOI: 10.1016/j.bmc.2020.115973] [Citation(s) in RCA: 178] [Impact Index Per Article: 44.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2020] [Revised: 12/18/2020] [Accepted: 12/21/2020] [Indexed: 12/16/2022]
Abstract
Amongst heterocyclic compounds, quinoline is an advantaged scaffold that appears as a significant assembly motif for the development of new drug entities. Quinoline and its derivatives tested with diverse biological activity constitute an important class of compounds for new drug development. Therefore, many scientific communities have developed these compounds as intent structure and evaluated their biological activities. The present, review provides brief natural sources of quinoline and including a new extent of quinoline-based marketed drugs. This review also confers information about the biological activities of quinoline derivatives such as antibacterial, antifungal, antimycobacterial, antiviral, anti-protozoal, antimalarial, anticancer, cardiovascular, CNS effects, antioxidant, anticonvulsant, analgesic, anti-inflammatory, anthelmintic and miscellaneous activities.
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Affiliation(s)
| | | | - Nagesh Gunavanthrao Yernale
- Department of Chemistry, Guru Nanak First Grade Science, Commerce and Post Graduate College, Bidar 585 403, Karnataka, India.
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21
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Ieque AL, Carvalho HCD, Baldin VP, Santos NCDS, Costacurta GF, Sampiron EG, Fernandez de Andrade CMM, Siqueira VLD, Caleffi Ferracioli KR, Cardoso RF, Cortez DAG, Silva EL, Scodro RBDL. Antituberculosis Activities of Lapachol and β-Lapachone in Combination with Other Drugs in Acidic pH. Microb Drug Resist 2020; 27:924-932. [PMID: 33275860 DOI: 10.1089/mdr.2020.0164] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Background: The treatment of multidrug-resistant tuberculosis (MDR-TB) is a challenge to be overcome. The increase of resistant isolates associated with serious side effects during therapy leads to the search for substances that have anti-TB activity, which make treatment less toxic, and also act in the macrophage acidic environment promoted by the infection. Objective: The aim of this study was to investigate lapachol and β-lapachone activities in combination with other drugs against Mycobacterium tuberculosis at neutral and acidic pH and its cytotoxicity. Design: Inhibitory and bactericidal activities against M. tuberculosis and clinical isolates were determined. Drug combination and cytotoxicity assay were carried out using standard TB drugs and/or N-acetylcysteine (NAC). Results: Both naphthoquinones presented activity against MDR clinical isolates. The combinations with the first-line TB drugs demonstrated an additive effect and β-lapachone+NAC were synergic against H37Rv. Lapachol activity at acidic pH and its association with NAC improved the selectivity index. Lapachol and β-lapachone produced cell morphological changes in bacilli at pH 6.0 and 6.8, respectively. Conclusion: Lapachol revealed promising anti-TB activity, especially associated with NAC.
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Affiliation(s)
- Andressa Lorena Ieque
- Postgraduate Program in Health Sciences, State University of Maringá, Maringá, Brazil
| | | | | | | | | | - Eloísa Gibin Sampiron
- Postgraduate Program in Health Sciences, State University of Maringá, Maringá, Brazil
| | | | - Vera Lúcia Dias Siqueira
- Postgraduate Program in Biosciences & Physiopatology, State University of Maringá, Maringá, Brazil
| | | | - Rosilene Fressatti Cardoso
- Postgraduate Program in Health Sciences, State University of Maringá, Maringá, Brazil.,Postgraduate Program in Biosciences & Physiopatology, State University of Maringá, Maringá, Brazil
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22
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Khan SU, Ahemad N, Chuah LH, Naidu R, Htar TT. Natural bioactive compounds as a new source of promising G protein-coupled estrogen receptor (GPER) modulators: comprehensive in silico approach. J Biomol Struct Dyn 2020; 40:1617-1628. [PMID: 33054574 DOI: 10.1080/07391102.2020.1830853] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
Cancer ranks in second place among the cause of death worldwide. Cancer progress in multiple stages of carcinogenesis and metastasis programs through complex pathways. Sex hormones and their receptors are the major factors in promoting cancer progression. Among them, G protein-coupled estrogen receptor-1 (GPER) has shown to mediate cellular signaling pathways and cancer cell proliferation. However, the lack of GPER protein structure limited the search for new modulators. In this study, we curated an extensive database of natural products to discover new potential GPER modulators. We used a combination of virtual screening techniques to generate a homology model of GPER and subsequently used that for the screening of 30,926 natural products from a public database to identify potential active modulators of GPER. The best hits were further screened through the ADMET filter and confirmed by docking analysis. Moreover, molecular dynamics simulations of best hits were also carried out to assess the stability of the ligand-GPER complex. This study predicted several potential GPER modulators with novel scaffolds that could be further investigated and used as the core for the development of novel GPER modulators.Communicated by Ramaswamy H. Sarma.
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Affiliation(s)
- Shafi Ullah Khan
- School of Pharmacy, Monash University Malaysia, Jalan Lagoon Selatan, Selangor, Malaysia
| | - Nafees Ahemad
- School of Pharmacy, Monash University Malaysia, Jalan Lagoon Selatan, Selangor, Malaysia.,Tropical Medicine and Biology Multidisciplinary Platform, Monash University Malaysia, Jalan Lagoon Selatan, Subang Jaya, Malaysia
| | - Lay-Hong Chuah
- School of Pharmacy, Monash University Malaysia, Jalan Lagoon Selatan, Selangor, Malaysia.,Advanced Engineering Platform, Monash University Malaysia, Jalan Lagoon Selatan, Selangor, Malaysia
| | - Rakesh Naidu
- Jeffrey Cheah School of Medicine and Health Sciences, Monash University Malaysia, Jalan Lagoon Selatan, Selangor, Malaysia
| | - Thet Thet Htar
- School of Pharmacy, Monash University Malaysia, Jalan Lagoon Selatan, Selangor, Malaysia
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23
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Structure-activity relationship of natural and synthetic coumarin derivatives against Mycobacterium tuberculosis. Future Med Chem 2020; 12:1533-1546. [PMID: 32820960 DOI: 10.4155/fmc-2018-0281] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Aim: Eight coumarin derivatives (1a-h) obtained from natural (-)-mammea A/BB (1) and 13 synthetic coumarins (2-14) had their cytotoxicity and biological activity evaluated against Mycobacterium tuberculosis H37Rv reference strain and multidrug-resistant clinical isolates. Materials & methods: Anti-M. tuberculosis activity was evaluated by resazurin microtiter assay plate, and the cytotoxicity of natural and synthetic products using J774A.1 macrophages by 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide. Results: Compounds 1g, 5, 6, 12 and 14 were more active against M. tuberculosis H37Rv and multidrug-resistant clinical isolates with MIC values ranging from 15.6 to 62.5 μg/ml. Conclusion: These results demonstrate that the coumarin derivatives were active against multidrug-resistant clinical isolates, becoming potential candidates to be used in the treatment of resistant tuberculosis.
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24
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Antimycobacterial Activity of Laurinterol and Aplysin from Laurencia johnstonii. Mar Drugs 2020; 18:md18060287. [PMID: 32486286 PMCID: PMC7345040 DOI: 10.3390/md18060287] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2020] [Revised: 05/20/2020] [Accepted: 05/29/2020] [Indexed: 01/22/2023] Open
Abstract
Marine environments represent a great opportunity for the discovery of compounds with a wide spectrum of bioactive properties. Due to their large variety and functions derived from natural selection, marine natural products may allow the identification of novel drugs based not only on newly discovered bioactive metabolites but also on already known compounds not yet thoroughly investigated. Since drug resistance has caused an increase in infections by Mycobacterium tuberculosis and nontuberculous mycobacteria, the re-evaluation of known bioactive metabolites has been suggested as a good approach to addressing this problem. In this sense, this study presents an evaluation of the in vitro effect of laurinterol and aplysin, two brominated sesquiterpenes isolated from Laurencia johnstonii, against nine M. tuberculosis strains and six nontuberculous mycobacteria (NTM). Laurinterol exhibited good antimycobacterial activity, especially against nontuberculous mycobacteria, being remarkable its effect against Mycobacterium abscessus, with minimum inhibitory concentration (MIC) values lower than those of the reference drug imipenem. This study provides further evidence for the antimycobacterial activity of some sesquiterpenes from L. johnstonii, which can be considered interesting lead compounds for the discovery of novel molecules to treat NTM infections.
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25
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Semi-Synthesis, Antibacterial, Anticholinesterase Activities, and Drug Likeness Properties of New Analogues of Coumarins Isolated from Ferula lutea (Poir.) Maire. CHEMISTRY AFRICA-A JOURNAL OF THE TUNISIAN CHEMICAL SOCIETY 2020. [DOI: 10.1007/s42250-020-00145-4] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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26
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Swain SS, Paidesetty SK, Padhy RN, Hussain T. Isoniazid-phytochemical conjugation: A new approach for potent and less toxic anti-TB drug development. Chem Biol Drug Des 2020; 96:714-730. [PMID: 32237023 DOI: 10.1111/cbdd.13685] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2020] [Revised: 03/12/2020] [Accepted: 03/14/2020] [Indexed: 12/13/2022]
Abstract
Mycobacterium tuberculosis (Mtb) causes one of the most grievous pandemic infectious diseases, tuberculosis (TB), with long-term morbidity and high mortality. The emergence of drug-resistant Mtb strains, and the co-infection with human immunodeficiency virus, challenges the current WHO-TB stewardship programs. The first-line anti-TB drugs, isoniazid (INH) and rifampicin (RIF), have become extensively obsolete in TB control from chromosomal mutations during the last decades. However, based on clinical trial statistics, the production of well-tolerated anti-TB drug(s) is miserably low. Alternately, semi-synthesis or structural modifications of first-line obsolete antitubercular drugs remain as the versatile approach for getting some potential medicines. The use of any suitable phytochemicals with INH in a hybrid formulation could be an ideal approach for the development of potent anti-TB drug(s). The primary objective of this review was to highlight and analyze available INH-phytochemical hybrid research works. The utilization of phytochemicals through chemical conjugation is a new trend toward the development of safer/non-toxic anti-TB drugs.
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Affiliation(s)
- Shasank S Swain
- Division of Microbiology and NCDs, ICMR-Regional Medical Research Centre, Bhubaneswar, India.,Central Research Laboratory, Institute of Medical Sciences and SUM Hospital, Siksha 'O' Anusandhan Deemed to be University, Bhubaneswar, India
| | - Sudhir K Paidesetty
- Department of Pharmaceutical Chemistry, School of Pharmaceutical Sciences, Siksha 'O' Anusandhan Deemed to be University, Bhubaneswar, India
| | - Rabindra N Padhy
- Central Research Laboratory, Institute of Medical Sciences and SUM Hospital, Siksha 'O' Anusandhan Deemed to be University, Bhubaneswar, India
| | - Tahziba Hussain
- Division of Microbiology and NCDs, ICMR-Regional Medical Research Centre, Bhubaneswar, India
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27
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Chen Y, Zhang L, Zou G, Li C, Yang W, Liu H, She Z. Anti-inflammatory activities of alkaloids from the mangrove endophytic fungus Phomopsis sp. SYSUQYP-23. Bioorg Chem 2020; 97:103712. [DOI: 10.1016/j.bioorg.2020.103712] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2020] [Revised: 02/25/2020] [Accepted: 02/27/2020] [Indexed: 01/01/2023]
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28
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Shah SR, Katariya KD. 1,3‐Oxazole‐isoniazid hybrids: Synthesis, antitubercular activity, and their docking studies. J Heterocycl Chem 2020. [DOI: 10.1002/jhet.3893] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Shailesh R. Shah
- Department of Chemistry, Faculty of ScienceThe Maharaja Sayajirao University of Baroda Vadodara India
| | - Kanubhai D. Katariya
- Department of Chemistry, Faculty of ScienceThe Maharaja Sayajirao University of Baroda Vadodara India
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29
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Lai CF, Xiao WB, Yan HC, Yang H, Wang LX, Guan H, Peng QJ, Deng ZR, Chen JW, An LK, Shi L. ZTW-41, a Potent Indolizinoquinoline-5,12-Dione Derivative Against Drug-Resistant Staphylococci and Enterococci Bacteria. Microb Drug Resist 2020; 26:100-109. [PMID: 31441704 DOI: 10.1089/mdr.2019.0008] [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: 10/26/2022] Open
Abstract
ZTW-41, an indolizinoquinoline-5,12-dione derivative, was investigated for antibacterial activity against Gram-positive bacteria, especially methicillin-resistant Staphylococcus aureus (MRSA). In our study, the MIC90s (minimum inhibitory concentrations) of ZTW-41 against MRSA (MRSA, n = 200), methicillin-sensitive S. aureus (MSSA, n = 100), Enterococcus faecalis (E. faecalis, n = 32), and Enterococcus faecium (E. faecium n = 32) were 0.25, 0.25, 0.125, and 8 μg/mL, respectively, whereas the MBC90s (minimum bactericidal concentrations) were 2, 1, 1, and >32 μg/mL, respectively. ZTW-41 maintained its potency at different pH levels (range 5-9) and in starting inoculum size up to 107 CFU/mL. The presence of human serum (25-75%) increased ZTW-41 MICs by two- to eightfold. Time-kill curves showed that ZTW-41 had bactericidal activity against MRSA, MSSA, and E. faecalis strains within 8 hours, and rebound growth occurred after 8 hours except at higher multiples of the MIC (4 × and 8 × ). In the acute toxicity study, no mortality or signs of toxicity was noted in mice after 14 days of observation at doses <50 mg/kg. ZTW-41 exhibited good selectivity indices (SIs) (SI = IC50/MIC90) ranging from 1.12 to 71.76 against clinical isolates, demonstrating excellent therapeutic selectivity in MRSA, MSSA, and E. faecalis strains. Moreover, the in vivo efficacy (effective dose [ED]50 = 6.59 mg/kg) of ZTW-41 was found comparable with vancomycin. Collectively, our favorable results supported ZTW-41 as a promising investigational candidate for treating drug-resistant bacteria infection.
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Affiliation(s)
- Chong-Fa Lai
- Southern Medical University, Guangzhou, China.,General Hospital of Southern Theatre Command, Guangzhou, China
| | - Wei-Bin Xiao
- General Hospital of Southern Theatre Command, Guangzhou, China
| | - Hua-Cheng Yan
- Center for Disease Control and Prevention of Southern Theatre Command, Guangzhou, China
| | - Hui Yang
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou, China
| | - Lu-Xia Wang
- General Hospital of Southern Theatre Command, Guangzhou, China
| | - Hui Guan
- General Hospital of Southern Theatre Command, Guangzhou, China
| | - Qiu-Ju Peng
- Center for Disease Control and Prevention of Southern Theatre Command, Guangzhou, China
| | - Zhi-Rong Deng
- Center for Disease Control and Prevention of Southern Theatre Command, Guangzhou, China
| | - Jian-Wen Chen
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou, China
| | - Lin-Kun An
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou, China.,Guangdong Provincial Key Laboratory of New Drug Design and Evaluation, Guangzhou, China
| | - Lei Shi
- Southern Medical University, Guangzhou, China.,General Hospital of Southern Theatre Command, Guangzhou, China
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Yan M, Xu L, Wang Y, Wan J, Liu T, Liu W, Wan Y, Zhang B, Wang R, Li Q. Opportunities and challenges of using five-membered ring compounds as promising antitubercular agents. Drug Dev Res 2020; 81:402-418. [PMID: 31904877 DOI: 10.1002/ddr.21638] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2019] [Revised: 12/07/2019] [Accepted: 12/24/2019] [Indexed: 12/17/2022]
Abstract
Tuberculosis (TB), a chronic infectious disease, is one of the greatest risks to human beings and 10 million people were diagnosed with TB and 1.6 million died from this disease in 2017. In addition, with the emergence of multidrug-resistant tuberculosis (MDR-TB) and extensively drug-resistant tuberculosis (XDR-TB), the TB situation has become even worse, which has aggravated the mortality and spread of this disease. To overcome this problem, research into novel antituberculosis agents with enhanced activities against MDR-TB, reduced toxicity, and shortened duration of therapy is of great importance. Fortunately, many novel potential anti-TB drug candidates with five-membered rings, which are most likely to be effective against sensitive and resistant strains, have recently entered clinical trials. Different five-membered rings such as furans, pyranoses, thiazoles, pyrazolines, imidazoles, oxazolidinone, thiazolidins, isoxazoles, triazoles, oxadiazoles, thiadiazoles, and tetrazoles have been designed, prepared, and evaluated for their antimycobacterial activity against Mycobacterium tuberculosis. In this article, we highlight the recent advances made in the discovery of novel five-membered ring compounds and focus on their antitubercular activities, toxicity, structure-activity relationships, and mechanisms of action.
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Affiliation(s)
- Mi Yan
- Department of Pharmacy, The Second Hospital of Shandong University, Jinan, China
| | - Linlin Xu
- Department of Pharmacy, Taian Central Hospital, Taian, China
| | - Yinhu Wang
- School of Pharmacy, Liaocheng University, Liaocheng, China
| | - Jianhua Wan
- China Resources Land Huabei Region Shandong Company, Jinan, China
| | - Ting Liu
- Department of Laboratory Medical Centre, The Second Hospital of Shandong University, Jinan, China
| | - Wenjie Liu
- Department of Pharmacy, The Second Hospital of Shandong University, Jinan, China
| | - Yichao Wan
- Key Laboratory of Theoretical Organic Chemistry and Functional Molecule, Ministry of Education, Hunan Provincial Key Laboratory of Controllable Preparation and Functional Application of Fine Polymers, School of Chemistry and Chemical Engineering, Hunan University of Science and Technology, Xiangtan, Hunan, China
| | - Bin Zhang
- Department of Pharmacy, The Second Hospital of Shandong University, Jinan, China
| | - Rongmei Wang
- Department of Pharmacy, The Second Hospital of Shandong University, Jinan, China
| | - Qiang Li
- Department of Pharmacy, The Second Hospital of Shandong University, Jinan, China
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Gao XH, Fan YY, Liu QF, Cho SH, Pauli GF, Chen SN, Yue JM. Suadimins A-C, Unprecedented Dimeric Quinoline Alkaloids with Antimycobacterial Activity from Melodinus suaveolens. Org Lett 2019; 21:7065-7068. [PMID: 31411483 DOI: 10.1021/acs.orglett.9b02630] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
The suadimins A-C (1-3) from Melodinus suaveolens are the first example of monoterpenoid quinoline alkaloid dimers featuring an unprecedented carbon skeleton. Their structures and absolute configurations were established on the basis of extensive spectroscopic analyses, electric circular dichroism (ECD), and X-ray crystallography. Suadimin A showed significant antimycobacterial activity in vitro with an MIC90 of 6.76 μM against the H37Rv strain of M. tuberculosis.
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Affiliation(s)
- Xin-Hua Gao
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zuchongzhi Road, Shanghai 201203, People's Republic of China
| | - Yao-Yue Fan
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zuchongzhi Road, Shanghai 201203, People's Republic of China
| | - Qun-Fang Liu
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zuchongzhi Road, Shanghai 201203, People's Republic of China
| | - Sang-Hyun Cho
- Institute for Tuberculosis Research, College of Pharmacy, University of Illinois at Chicago, 833 South Wood Street, Chicago, Illinois 60612, United States
| | - Guido F Pauli
- Institute for Tuberculosis Research, College of Pharmacy, University of Illinois at Chicago, 833 South Wood Street, Chicago, Illinois 60612, United States
| | - Shao-Nong Chen
- Institute for Tuberculosis Research, College of Pharmacy, University of Illinois at Chicago, 833 South Wood Street, Chicago, Illinois 60612, United States
| | - Jian-Min Yue
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zuchongzhi Road, Shanghai 201203, People's Republic of China
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Mambou CS, Nono RN, Chouna JR, Tamokou JDD, Nkeng-Efouet-Alango P, Sewald N. Antibacterial secotirucallane triterpenes from the stem bark of Pseudocedrela kotschyi. ACTA ACUST UNITED AC 2019; 73:241-246. [PMID: 29590084 DOI: 10.1515/znc-2017-0207] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2017] [Accepted: 01/20/2018] [Indexed: 11/15/2022]
Abstract
The antibacterial-guided investigation of the stem bark extract of Pseudocedrela kotschyi led to the isolation of a new secotirucallane triterpene derivative: 4-hydroxy-3,4-secotirucalla-7,24-dien-3,21-dioic acid (1), together with the known one: 3,4-secotirucalla-4(28),7,24-trien-3,21-dioic acid (2) and 3-methyl ester 3,4-secotirucalla-4(28),7,24-trien-3,21-dioic (3). The structures of the isolated compounds were elucidated on the basis of extensive 1D- and 2D-NMR spectroscopy. Extracts, fractions and compounds (1-3) were tested in vitro for antibacterial activity against two Gram positive bacteria (Bacillus subtilis and Staphylococcus aureus ATCC 25923), and two Gram negative bacteria (Escherichia coli S2(1) and Pseudomonas aeruginosa). The MeOH extract and the Hex/CH2Cl2 (70:30) fraction showed significant levels of activity (MIC=64- 256 μg/mL) compared with the two reference drugs [ciprofloxacin: MIC (0.5-1 μg/mL) and amoxicillin: MIC (1-128 μg/mL)]. Moreover, the compound 2 isolated from this Hex/CH2Cl2 (70:30) fraction had the greatest potential value against S. aureus, E. coli and P. aeruginosa, with minimum inhibitory concentrations (MIC) ranging from 4-16 μg/mL.
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Affiliation(s)
- Christèle Sorèle Mambou
- Department of Chemistry, Faculty of Science, University of Dschang, P.O. Box 67, Dschang, Cameroon
| | - Raymond Ngansop Nono
- Department of Chemistry, Faculty of Science, University of Dschang, P.O. Box 67, Dschang, Cameroon
| | - Jean Rodolphe Chouna
- Department of Chemistry, Faculty of Science, University of Dschang, P.O. Box 67, Dschang, Cameroon, Phone: 00 237 673551059
| | - Jean-de-Dieu Tamokou
- Department of Biochemistry, Faculty of Science, University of Dschang, P.O. Box 67, Dschang, Cameroon
| | | | - Norbert Sewald
- Organic and Bioorganic Chemistry, Department of Chemistry, Bielefeld University, P.O. Box 100131, 33501, Bielefeld, Germany
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Gaikwad N, Nanduri S, Madhavi YV. Cinnamamide: An insight into the pharmacological advances and structure-activity relationships. Eur J Med Chem 2019; 181:111561. [PMID: 31376564 DOI: 10.1016/j.ejmech.2019.07.064] [Citation(s) in RCA: 43] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2019] [Revised: 07/11/2019] [Accepted: 07/23/2019] [Indexed: 01/07/2023]
Abstract
The cinnamamide (cinnamic acid amide and cinnamide) is a privileged scaffold present widely in a number of natural products. The scaffold acts as a useful template for designing and arriving at newly drug-like molecules with potential pharmacological activity. An attempt has been made to review the extensive occurrence of cinnamamide scaffold in many lead compounds reported for treating various diseases, their binding interactions with the therapeutic targets as well as mechanism of action and their structure-activity relationships. The discoveries of cinnamamide systems and some examples of unusual cinnamamides having an aromatic, aliphatic, and heterocyclic or other rings condensed to the basic cinnamamide structure also have been extensively covered in this review.
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Affiliation(s)
- Nikhil Gaikwad
- Department of Pharmaceutical Technology and Process Chemistry, National Institute of Pharmaceutical Education and Research (NIPER), 40, Dilip Rd, Jinkalwada, Balanagar, Hyderabad, Telangana, 500037, India
| | - Srinivas Nanduri
- Department of Pharmaceutical Technology and Process Chemistry, National Institute of Pharmaceutical Education and Research (NIPER), 40, Dilip Rd, Jinkalwada, Balanagar, Hyderabad, Telangana, 500037, India
| | - Y V Madhavi
- Department of Pharmaceutical Technology and Process Chemistry, National Institute of Pharmaceutical Education and Research (NIPER), 40, Dilip Rd, Jinkalwada, Balanagar, Hyderabad, Telangana, 500037, India.
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Mazlun MH, Sabran SF, Mohamed M, Abu Bakar MF, Abdullah Z. Phenolic Compounds as Promising Drug Candidates in Tuberculosis Therapy. Molecules 2019; 24:molecules24132449. [PMID: 31277371 PMCID: PMC6651284 DOI: 10.3390/molecules24132449] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2019] [Revised: 05/27/2019] [Accepted: 05/28/2019] [Indexed: 02/06/2023] Open
Abstract
Tuberculosis (TB), caused by Mycobacterium tuberculosis (MTB) remains one of the deadliest, infectious diseases worldwide. The detrimental effects caused by the existing anti-TB drugs to TB patients and the emergence of resistance strains of M. tuberculosis has driven efforts from natural products researchers around the globe in discovering novel anti-TB drugs that are more efficacious and with less side effects. There were eleven main review publications that focused on natural products with anti-TB potentials. However, none of them specifically emphasized antimycobacterial phenolic compounds. Thus, the current review’s main objective is to highlight and summarize phenolic compounds found active against mycobacteria from 2000 to 2017. Based on the past studies in the electronic databases, the present review also focuses on several test organisms used in TB researches and their different distinct properties, a few types of in vitro TB bioassay and comparison between their strengths and drawbacks, different methods of extraction, fractionation and isolation, ways of characterizing and identifying isolated compounds and the mechanism of actions of anti-TB phenolic compounds as reported in the literature.
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Affiliation(s)
- Muhamad Harith Mazlun
- Department of Technology and Natural Resources, Faculty of Applied Sciences and Technology, Universiti Tun Hussein Onn Malaysia (UTHM), Pagoh Educational Hub, Pagoh 84600, Muar, Johor, Malaysia
- Centre of Research for Sustainable Uses of Natural Resources (CoR-SUNR), Universiti Tun Hussein Onn Malaysia (UTHM), Pagoh Educational Hub, Pagoh 84600, Muar, Johor, Malaysia
| | - Siti Fatimah Sabran
- Department of Technology and Natural Resources, Faculty of Applied Sciences and Technology, Universiti Tun Hussein Onn Malaysia (UTHM), Pagoh Educational Hub, Pagoh 84600, Muar, Johor, Malaysia.
- Centre of Research for Sustainable Uses of Natural Resources (CoR-SUNR), Universiti Tun Hussein Onn Malaysia (UTHM), Pagoh Educational Hub, Pagoh 84600, Muar, Johor, Malaysia.
| | - Maryati Mohamed
- Department of Technology and Natural Resources, Faculty of Applied Sciences and Technology, Universiti Tun Hussein Onn Malaysia (UTHM), Pagoh Educational Hub, Pagoh 84600, Muar, Johor, Malaysia
- Centre of Research for Sustainable Uses of Natural Resources (CoR-SUNR), Universiti Tun Hussein Onn Malaysia (UTHM), Pagoh Educational Hub, Pagoh 84600, Muar, Johor, Malaysia
| | - Mohd Fadzelly Abu Bakar
- Department of Technology and Natural Resources, Faculty of Applied Sciences and Technology, Universiti Tun Hussein Onn Malaysia (UTHM), Pagoh Educational Hub, Pagoh 84600, Muar, Johor, Malaysia
- Centre of Research for Sustainable Uses of Natural Resources (CoR-SUNR), Universiti Tun Hussein Onn Malaysia (UTHM), Pagoh Educational Hub, Pagoh 84600, Muar, Johor, Malaysia
| | - Zunoliza Abdullah
- Natural Products Division, Forest Research Institute Malaysia (FRIM), Kepong 52109, Selangor, Malaysia
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Sampiron EG, Costacurta GF, Baldin VP, Almeida AL, Ieque AL, Santos NCS, Alves-Olher VG, Vandresen F, Gimenes ACR, Siqueira VLD, Caleffi-Ferracioli KR, Cardoso RF, Scodro RBL. Hydrazone, benzohydrazones and isoniazid-acylhydrazones as potential antituberculosis agents. Future Microbiol 2019; 14:981-994. [DOI: 10.2217/fmb-2019-0040] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
Aim: To evaluate the potential of three benzohydrazones (1–3), four acylhydrazones derived from isoniazid (INH-acylhydrazones) (4–7) and one hydrazone (8) as antituberculosis agents. Materials & methods: Inhibitory and bactericidal activities were determined for the reference Mycobacterium tuberculosis ( Mtb) strain and clinical isolates. Cytotoxicity, drug combinations and ethidium bromide accumulation assays were also performed. Results: The tested compounds (1–8) presented excellent antituberculosis activity with surprisingly inhibitory (0.12–250 μg/ml) and bactericidal values, even against multidrug-resistant Mtb clinical isolates. Compounds showed high selectivity index, with values reaching 1833.33, and a limited spectrum of activity. Some of the compounds (2 & 8) are also great inhibitors of bacillus efflux pumps. Conclusion: Benzohydrazones and INH-acylhydrazones may be considered scaffolds for the development of new anti- Mtb drugs.
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Affiliation(s)
- Eloísa G Sampiron
- Postgraduate Program in Health Sciences, State University of Maringá, Maringá, Paraná, 87020-900, Brazil
| | - Giovana F Costacurta
- Postgraduate Program in Health Sciences, State University of Maringá, Maringá, Paraná, 87020-900, Brazil
| | - Vanessa P Baldin
- Postgraduate Program in Bioscience & Physiopathology, State University of Maringá, Maringá, Paraná, 87020-900, Brazil
| | - Aryadne L Almeida
- Postgraduate Program in Bioscience & Physiopathology, State University of Maringá, Maringá, Paraná, 87020-900, Brazil
| | - Andressa L Ieque
- Postgraduate Program in Health Sciences, State University of Maringá, Maringá, Paraná, 87020-900, Brazil
| | - Nathally CS Santos
- Postgraduate Program in Bioscience & Physiopathology, State University of Maringá, Maringá, Paraná, 87020-900, Brazil
| | - Vanessa G Alves-Olher
- Department of Chemistry, Federal Institute of Paraná, Paranavaí, Paraná, 87703-536, Brazil
| | - Fábio Vandresen
- Department of Chemistry, Federal Technological University of Paraná, Londrina, Paraná, 86057-970, Brazil
| | - Ana CR Gimenes
- Department of Chemistry, Federal Institute of Paraná, Paranavaí, Paraná, 87703-536, Brazil
| | - Vera LD Siqueira
- Postgraduate Program in Bioscience & Physiopathology, State University of Maringá, Maringá, Paraná, 87020-900, Brazil
| | - Katiany R Caleffi-Ferracioli
- Postgraduate Program in Bioscience & Physiopathology, State University of Maringá, Maringá, Paraná, 87020-900, Brazil
| | - Rosilene F Cardoso
- Postgraduate Program in Health Sciences, State University of Maringá, Maringá, Paraná, 87020-900, Brazil
- Postgraduate Program in Bioscience & Physiopathology, State University of Maringá, Maringá, Paraná, 87020-900, Brazil
| | - Regiane BL Scodro
- Postgraduate Program in Health Sciences, State University of Maringá, Maringá, Paraná, 87020-900, Brazil
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Rodríguez-Flores EM, Mata-Espinosa D, Barrios-Payan J, Marquina-Castillo B, Castañón-Arreola M, Hernández-Pando R. A significant therapeutic effect of silymarin administered alone, or in combination with chemotherapy, in experimental pulmonary tuberculosis caused by drug-sensitive or drug-resistant strains: In vitro and in vivo studies. PLoS One 2019; 14:e0217457. [PMID: 31145751 PMCID: PMC6542514 DOI: 10.1371/journal.pone.0217457] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2018] [Accepted: 05/13/2019] [Indexed: 12/11/2022] Open
Abstract
For many years, tuberculosis (TB) has been a major public health problem worldwide. Advances for treatment and eradication have been very limited. Silymarin (Sm) is a natural product with antioxidant and hepatoprotective activities that has been proposed as a complementary medicine to reduce the liver injury produced by the conventional anti-TB chemotherapy. Sm also has immunoregulatory and microbicide properties. In this study, we determined the effect of Sm on the growth control of mycobacteria. In vitro studies showed that Sm and Silibinin (the principal active compound of Sm) have microbicidal activity against drug-sensitive and multidrug-resistant (MDR) mycobacteria, induce the production of protective cytokines from infected macrophages, and improve the growth control of mycobacteria (p ≤ 0.0001). Studies in vivo using a model of progressive pulmonary TB in BALB/c mice infected with drug-sensitive or MDR mycobacteria have shown that Sm induces significant expression of Th-1 cytokines such as IFN-γ and IL-12 as well as TNFα, which produce significant therapeutic activity when administered alone and apparently have a synergistic effect with chemotherapy. These results suggest that Sm has a bactericidal effect and can contribute to the control and establishment of a TH1 protective immune response against mycobacterial infection. Thus, it seems that this flavonoid has a promising potential as adjuvant therapy in the treatment of TB.
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Affiliation(s)
- Edén M. Rodríguez-Flores
- Department of Pathology, Experimental Pathology Section, National Institute of Medical Sciences and Nutrition ‘‘Salvador Zubiran”, Mexico City, Mexico
- Genomic Sciences Program, Autonomous University of México City, Mexico City, México
| | - Dulce Mata-Espinosa
- Department of Pathology, Experimental Pathology Section, National Institute of Medical Sciences and Nutrition ‘‘Salvador Zubiran”, Mexico City, Mexico
| | - Jorge Barrios-Payan
- Department of Pathology, Experimental Pathology Section, National Institute of Medical Sciences and Nutrition ‘‘Salvador Zubiran”, Mexico City, Mexico
| | - Brenda Marquina-Castillo
- Department of Pathology, Experimental Pathology Section, National Institute of Medical Sciences and Nutrition ‘‘Salvador Zubiran”, Mexico City, Mexico
| | | | - Rogelio Hernández-Pando
- Department of Pathology, Experimental Pathology Section, National Institute of Medical Sciences and Nutrition ‘‘Salvador Zubiran”, Mexico City, Mexico
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Tiwari A, Kumar A, Srivastava G, Sharma A. Screening of Anti-mycobacterial Phytochemical Compounds for Potential Inhibitors against Mycobacterium Tuberculosis Isocitrate Lyase. Curr Top Med Chem 2019; 19:600-608. [PMID: 30836915 DOI: 10.2174/1568026619666190304125603] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2018] [Revised: 10/12/2018] [Accepted: 11/05/2018] [Indexed: 11/22/2022]
Abstract
Background and Introduction: Tuberculosis (TB) is a leading infectious disease caused by Mycobacterium tuberculosiswith high morbidity and mortality. Isocitrate lyase (MtbICL), a key enzyme of glyoxylate pathway has been shown to be involved in mycobacterial persistence, is attractive drug target against persistent tuberculosis. METHODS Virtual screening, molecular docking and MD simulation study has been integrated for screening of phytochemical based anti-mycobacterial compounds. Docking study of reported MtbICL inhibitors has shown an average binding affinity score -7.30 Kcal/mol. In virtual screening, compounds exhibiting lower binding energy than calculated average binding energy were selected as top hit compounds followed by calculation of drug likeness property. Relationship between experimental IC50 value and calculated binding gibbs free energy of reported inhibitors was also calculated through regression analysis to predict IC50 value of potential inhibitors. RESULTS Docking and MD simulation studies of top hit compounds have identified shinjudilactone (quassinoid), lecheronol A (pimarane) and caniojane (diterpene) as potential MtbICL inhibitors. CONCLUSION Phytochemical based anti-mycobacterial compound can further developed into effective drugs against persistence tuberculosis with lesser toxicity and side effects.
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Affiliation(s)
- Ashish Tiwari
- Biotechnology Division, CSIR-Central Institute of Medicinal and Aromatic Plant (CIMAP), Lucknow-226015, Uttar Pradesh, India
| | - Akhil Kumar
- Biotechnology Division, CSIR-Central Institute of Medicinal and Aromatic Plant (CIMAP), Lucknow-226015, Uttar Pradesh, India
| | - Gaurava Srivastava
- Biotechnology Division, CSIR-Central Institute of Medicinal and Aromatic Plant (CIMAP), Lucknow-226015, Uttar Pradesh, India
| | - Ashok Sharma
- Biotechnology Division, CSIR-Central Institute of Medicinal and Aromatic Plant (CIMAP), Lucknow-226015, Uttar Pradesh, India
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Rani A, Anand A, Kumar K, Kumar V. Recent developments in biological aspects of chalcones: the odyssey continues. Expert Opin Drug Discov 2019; 14:249-288. [DOI: 10.1080/17460441.2019.1573812] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Anu Rani
- Department of Chemistry, Guru Nanak Dev University, Amritsar, India
| | - Amit Anand
- Department of Chemistry, Khalsa College, Amritsar, India
| | - Kewal Kumar
- Department of Applied Chemistry, Maharaja Ranjit Singh Punjab Technical University, Bathinda, India
| | - Vipan Kumar
- Department of Chemistry, Guru Nanak Dev University, Amritsar, India
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Deng W, Ye C, Li Y, Li D, Bao H. Iron-Catalyzed Oxyalkylation of Terminal Alkynes with Alkyl Iodides. Org Lett 2018; 21:261-265. [PMID: 30582704 DOI: 10.1021/acs.orglett.8b03689] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
A general oxyalkylation of terminal alkynes enabled by iron catalysis has been developed. Primary and secondary alkyl iodides acted as the alkylating reagents and afforded a range of α-alkylated ketones under mild reaction conditions. Acetyl tert-butyl peroxide (TBPA) was used as the radical relay precursor, providing the initiated methyl radical to start the radical relay process. Preliminary mechanistic studies were conducted, and late-stage functionalizations of natural product derivatives were performed.
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Affiliation(s)
- Weili Deng
- Key Laboratory of Innate Immune Biology of Fujian Province, Biomedical Research Center of South China, College of Life Sciences , Fujian Normal University , 1 Keji Road , Fuzhou 350117 , P. R. China
| | - Changqing Ye
- Key Laboratory of Coal to Ethylene Glycol and Its Related Technology, State Key Laboratory of Structural Chemistry, Center for Excellence in Molecular Synthesis , Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences , 155 Yangqiao Road West , Fuzhou , Fujian 350002 , P. R. of China
| | - Yajun Li
- Key Laboratory of Coal to Ethylene Glycol and Its Related Technology, State Key Laboratory of Structural Chemistry, Center for Excellence in Molecular Synthesis , Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences , 155 Yangqiao Road West , Fuzhou , Fujian 350002 , P. R. of China
| | - Daliang Li
- Key Laboratory of Innate Immune Biology of Fujian Province, Biomedical Research Center of South China, College of Life Sciences , Fujian Normal University , 1 Keji Road , Fuzhou 350117 , P. R. China
| | - Hongli Bao
- Key Laboratory of Coal to Ethylene Glycol and Its Related Technology, State Key Laboratory of Structural Chemistry, Center for Excellence in Molecular Synthesis , Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences , 155 Yangqiao Road West , Fuzhou , Fujian 350002 , P. R. of China
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40
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Cirillo D, Borroni E, Festoso I, Monti D, Romeo S, Mazier D, Verotta L. Synthesis and antimycobacterial activity of (+)-usnic acid conjugates. Arch Pharm (Weinheim) 2018; 351:e1800177. [PMID: 30407647 DOI: 10.1002/ardp.201800177] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2018] [Revised: 10/09/2018] [Accepted: 10/10/2018] [Indexed: 11/10/2022]
Abstract
New therapeutics are urgently needed to fight tuberculosis and mycobacteria-related diseases that are a major health hazard especially in poor countries. Natural products have been the source of important antitubercular drugs in the past and still need to receive attention as a potent reservoir of chemical structures. Fifteen known and two new (+)-usnic acid (a benzofurandione formerly isolated from lichens) enamines and hydrazones are here described and tested against sensitive and multidrug-resistant strains of mycobacteria. Among several (+)-usnic acid conjugates, PS14 and PS18 showed potent activity against both susceptible and resistant Mycobacterium tuberculosis strains (MIC values of 1-32 and 2-32 mg/L, respectively) comparable with MIC of other antitubercular drugs already in use for tuberculosis treatment.
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Affiliation(s)
- Daniela Cirillo
- Division of Infectious Diseases, Immunology and Transplantation, Emerging Bacterial Pathogens Unit, San Raffaele Scientific Institute, Milan, Italy
| | - Emanuele Borroni
- Division of Infectious Diseases, Immunology and Transplantation, Emerging Bacterial Pathogens Unit, San Raffaele Scientific Institute, Milan, Italy
| | - Irene Festoso
- Division of Infectious Diseases, Immunology and Transplantation, Emerging Bacterial Pathogens Unit, San Raffaele Scientific Institute, Milan, Italy
| | - Diego Monti
- Department of Chemistry, ISTM-CNR, Milan, Italy
| | - Sergio Romeo
- Department of Pharmaceutical Sciences, Università degli Studi di Milano, Milan, Italy
| | - Dominique Mazier
- Sorbonne Universités, Centre d'Immunologie et des Maladies Infectieuses, Paris, France
| | - Luisella Verotta
- Department of Environmental Science and Policy, Università degli Studi di Milano, Milan, Italy.,Consorzio Interuniversitario Nazionale Metodologie e Processi Innovativi di Sintesi, MIlan, Italy
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Sultan I, Rahman S, Jan AT, Siddiqui MT, Mondal AH, Haq QMR. Antibiotics, Resistome and Resistance Mechanisms: A Bacterial Perspective. Front Microbiol 2018; 9:2066. [PMID: 30298054 PMCID: PMC6160567 DOI: 10.3389/fmicb.2018.02066] [Citation(s) in RCA: 146] [Impact Index Per Article: 24.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2018] [Accepted: 08/13/2018] [Indexed: 12/28/2022] Open
Abstract
History of mankind is regarded as struggle against infectious diseases. Rather than observing the withering away of bacterial diseases, antibiotic resistance has emerged as a serious global health concern. Medium of antibiotic resistance in bacteria varies greatly and comprises of target protection, target substitution, antibiotic detoxification and block of intracellular antibiotic accumulation. Further aggravation to prevailing situation arose on observing bacteria gradually becoming resistant to different classes of antibiotics through acquisition of resistance genes from same and different genera of bacteria. Attributing bacteria with feature of better adaptability, dispersal of antibiotic resistance genes to minimize effects of antibiotics by various means including horizontal gene transfer (conjugation, transformation, and transduction), Mobile genetic elements (plasmids, transposons, insertion sequences, integrons, and integrative-conjugative elements) and bacterial toxin-antitoxin system led to speedy bloom of antibiotic resistance amongst bacteria. Proficiency of bacteria to obtain resistance genes generated an unpleasant situation; a grave, but a lot unacknowledged, feature of resistance gene transfer.
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Affiliation(s)
- Insha Sultan
- Department of Biosciences, Jamia Millia Islamia, New Delhi, India
| | - Safikur Rahman
- Department of Medical Biotechnology, Yeungnam University, Gyeongsan, South Korea
| | - Arif Tasleem Jan
- School of Biosciences and Biotechnology, Baba Ghulam Shah Badshah University, Rajouri, India
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42
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Development of antituberculosis melt-blown polypropylene filters coated with mangosteen extracts for medical face mask applications. Polym Bull (Berl) 2018. [DOI: 10.1007/s00289-018-2468-x] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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43
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Kataev VE, Khaybullin RN, Garifullin BF, Sharipova RR. New Targets for Growth Inhibition of Mycobacterium tuberculosis: Why Do Natural Terpenoids Exhibit Antitubercular Activity? RUSSIAN JOURNAL OF BIOORGANIC CHEMISTRY 2018. [DOI: 10.1134/s1068162018040106] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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44
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Souza MRP, Coelho NP, Baldin VP, Scodro RBL, Cardoso RF, da Silva CC, Vandresen F. Synthesis of novel (-)-Camphene-based thiosemicarbazones and evaluation of anti-Mycobacterium tuberculosis activity. Nat Prod Res 2018; 33:3372-3377. [DOI: 10.1080/14786419.2018.1478829] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/16/2022]
Affiliation(s)
- Mariana R. P. Souza
- Departamento de Química, Universidade Estadual do Centro-Oeste, Guarapuava, Brazil
| | - Narcimário P. Coelho
- Departamento de Química, Instituto Federal Mato Grosso do Sul-Campus de Nova Andradina, Fazenda Santa Bárbara, Nova Andradina, Brazil
| | - Vanessa P. Baldin
- Pós Graduação em Biociências e Fisiopatologia, Universidade Estadual de Maringá, Maringá, Brazil
| | - Regiane B. L. Scodro
- Pós Graduação em Ciência de Saúde, Universidade Estadual de Maringá, Maringá, Brazil
| | - Rosilene F. Cardoso
- Pós Graduação em Ciência de Saúde, Universidade Estadual de Maringá, Maringá, Brazil
| | - Cleuza C. da Silva
- Departamento de Química, Universidade Estadual de Maringá, Maringá, Brazil
| | - Fábio Vandresen
- Departamento de Química, Universidade Tecnológica Federal do Paraná, Londrina, Brazil
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45
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Sager AA, Abood ZS, El-Amary WM, Bensaber SM, Al-Sadawe IA, Ermeli NB, Mohamed SB, Al-Forgany M, Mrema IA, Erhuma M, Hermann A, Gbaj AM. Design, Synthesis and Biological Evaluation of Some Triazole Schiff's Base Derivatives as Potential Antitubercular Agents. THE OPEN MEDICINAL CHEMISTRY JOURNAL 2018; 12:48-59. [PMID: 29854013 PMCID: PMC5944127 DOI: 10.2174/1874104501812010048] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/15/2018] [Revised: 04/16/2018] [Accepted: 04/17/2018] [Indexed: 01/14/2023]
Abstract
Background: Tuberculosis (TB) is the second important cause of death worldwide caused by a bacterium called Mycobacterium tuberculosis. There is a need to find and develop new Anti-TB medications that are effective, inexpensive and suitable with human immunodeficiency virus and other anti-TB drugs used in many countries and mainly the developing countries where the disease is widespread. These drugs must be designed to shorten treatment time and to be active against resistant forms of the mycobacteria that will help to increase the patients compliance. A key compound which could be used as a lead to meet these requirements, is the thiolactomycin (TLM). This antibiotic which is naturally available has an ability to treat M. tuberculosis by inhibiting condensing enzymes called FAS II (mtFabH, KasA and KasB) which are related to biosynthesis of mycolic acid. Methods: Our main aims are to design and synthesize analogues of TLM as new lead molecules which could be a possible anti–TB candidate. To overcome the synthetic challenges associated with preparing the chiral TLM analogues; we synthesized and investigated a series of triazole analogues as inhibitors of KasA enzyme and the whole cell Mycobacteria. A series of twelve compounds were synthesized, purified and fully characterized using several spectroscopic techniques. Molecular modelling studies for our synthesised compounds were achieved by using a modelling program called AutoDock 4.2 utilising rigid docking. Results: Our results indicate that analogues of TLM show a good activity as compared to TLM. Conclusion: The activity obtained for the synthesized compounds against Mycobacteria tuberculosis indicate that the synthesised compounds 1, 2, 6 and 9 are pharmacologically active as they restrained the growth of the Mycobacteria bacteria.
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Affiliation(s)
- Asma A Sager
- National Medical Research Centre, Zawia, Z16, Libya.,Department of Medicinal Chemistry, Faculty of Pharmacy, University of Tripoli, Tripoli, Libya
| | - Zainab S Abood
- Department of Natural Products, Faculty of Pharmacy, University of Tripoli, Tripoli, Libya
| | | | - Salah M Bensaber
- Department of Medicinal Chemistry, Faculty of Pharmacy, University of Tripoli, Tripoli, Libya
| | - Inass A Al-Sadawe
- Department of Medicinal Chemistry, Faculty of Pharmacy, University of Tripoli, Tripoli, Libya
| | - Nouri B Ermeli
- Department of Natural Products, Faculty of Pharmacy, University of Tripoli, Tripoli, Libya
| | | | | | - Ibrahim A Mrema
- Department of Medicinal Chemistry, Faculty of Pharmacy, University of Tripoli, Tripoli, Libya
| | | | - Anton Hermann
- Department of Cell Biology & Physiology, Division of Cellular and Molecular Neurobiology, University of Salzburg, Salzburg, A-5020, Austria
| | - Abdul M Gbaj
- National Medical Research Centre, Zawia, Z16, Libya.,Department of Medicinal Chemistry, Faculty of Pharmacy, University of Tripoli, Tripoli, Libya
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46
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Laqua K, Klemm M, Richard-Greenblatt M, Richter A, Liebe L, Huang T, Lin S, Guardia A, Pérez-Herran E, Ballell L, Av-Gay Y, Imming P. Synthesis, antimycobacterial activity and influence on mycobacterial InhA and PknB of 12-membered cyclodepsipeptides. Bioorg Med Chem 2018; 26:3166-3190. [PMID: 29706526 DOI: 10.1016/j.bmc.2018.04.045] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2018] [Revised: 04/16/2018] [Accepted: 04/20/2018] [Indexed: 11/26/2022]
Abstract
In recent years, several small natural cyclopeptides and cyclodepsipeptides were reported to have antimycobacterial activity. Following this lead, a synthetic pathway was developed for a small series of 12-membered ring compounds with one amide and two ester bonds (cyclotridepsipeptides). Within the series, the ring system proved to be necessary for growth inhibition of Mycobacterium smegmatis and Mycobacterium tuberculosis in the low micromolar range. Open-chain precursors and analogues were inactive. The compounds modulated autophosphorylation of the mycobacterial protein kinase B (PknB). PknB inhibitors were active at µM concentration against mycobacteria while inducers were inactive. PknB regulates the activity of the mycobacterial reductase InhA, the target of isoniazid. The activity of the series against Mycobacterium bovis BCG InhA overexpressing strains was indistinguishable from that of the parental strain suggesting that they do not inhibit InhA. All substances were not cytotoxic (HeLa > 5 µg/ml) and did not show any significant antiproliferative effect (HUVEC > 5 µg/ml; K-562 > 5 µg/ml). Within the scope of this study, the molecular target of this new type of small cyclodepsipeptide was not identified, but the data suggest interaction with PknB or other kinases may partly cause the activity.
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Affiliation(s)
- Katja Laqua
- Institut für Pharmazie, Martin-Luther-Universität Halle-Wittenberg, Wolfgang-Langenbeck-Str. 4, 06120 Halle, Germany
| | - Marcel Klemm
- Institut für Pharmazie, Martin-Luther-Universität Halle-Wittenberg, Wolfgang-Langenbeck-Str. 4, 06120 Halle, Germany
| | - Melissa Richard-Greenblatt
- Division of Infectious Diseases, Department of Medicine, University of British Columbia, Vancouver, British Columbia V6H 3Z6, Canada
| | - Adrian Richter
- Institut für Pharmazie, Martin-Luther-Universität Halle-Wittenberg, Wolfgang-Langenbeck-Str. 4, 06120 Halle, Germany
| | - Linda Liebe
- Institut für Pharmazie, Martin-Luther-Universität Halle-Wittenberg, Wolfgang-Langenbeck-Str. 4, 06120 Halle, Germany
| | - Tingting Huang
- State Key Laboratory of Microbial Metabolism, Joint International Laboratory on Metabolic & Developmental Sciences, School of Life Sciences & Biotechnology, Shanghai Jiao Tong University, Shanghai 200030, PR China
| | - Shuangjun Lin
- State Key Laboratory of Microbial Metabolism, Joint International Laboratory on Metabolic & Developmental Sciences, School of Life Sciences & Biotechnology, Shanghai Jiao Tong University, Shanghai 200030, PR China
| | - Ana Guardia
- Diseases of the Developing World, Alternative Discovery & Development, GlaxoSmithKline, Severo Ochoa 2, 28760 Tres Cantos, Madrid, Spain
| | - Esther Pérez-Herran
- Diseases of the Developing World, Alternative Discovery & Development, GlaxoSmithKline, Severo Ochoa 2, 28760 Tres Cantos, Madrid, Spain
| | - Lluís Ballell
- Diseases of the Developing World, Alternative Discovery & Development, GlaxoSmithKline, Severo Ochoa 2, 28760 Tres Cantos, Madrid, Spain
| | - Yossef Av-Gay
- Division of Infectious Diseases, Department of Medicine, University of British Columbia, Vancouver, British Columbia V6H 3Z6, Canada
| | - Peter Imming
- Institut für Pharmazie, Martin-Luther-Universität Halle-Wittenberg, Wolfgang-Langenbeck-Str. 4, 06120 Halle, Germany.
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Chávez-Villarreal KG, García A, Romo-Mancillas A, Garza-González E, de Torres NW, Miranda LD, Moo-Puc RE, Chale-Dzul J, del Rayo Camacho-Corona M. Synthesis, antimycobacterial evaluation, and QSAR analysis of meso-dihydroguaiaretic acid derivatives. Med Chem Res 2018. [DOI: 10.1007/s00044-017-2125-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
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48
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Rehberg N, Akone HS, Ioerger TR, Erlenkamp G, Daletos G, Gohlke H, Proksch P, Kalscheuer R. Chlorflavonin Targets Acetohydroxyacid Synthase Catalytic Subunit IlvB1 for Synergistic Killing of Mycobacterium tuberculosis. ACS Infect Dis 2018; 4:123-134. [PMID: 29108416 DOI: 10.1021/acsinfecdis.7b00055] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
The flavonoid natural compound chlorflavonin was isolated from the endophytic fungus Mucor irregularis, which was obtained from the Cameroonian medicinal plant Moringa stenopetala. Chlorflavonin exhibited strong growth inhibitory activity in vitro against Mycobacterium tuberculosis (MIC90 1.56 μM) while exhibiting no cytotoxicity toward the human cell lines MRC-5 and THP-1 up to concentrations of 100 μM. Mapping of resistance-mediating mutations employing whole-genome sequencing, chemical supplementation assays, and molecular docking studies as well as enzymatic characterization revealed that chlorflavonin specifically inhibits the acetohydroxyacid synthase catalytic subunit IlvB1, causing combined auxotrophies to branched-chain amino acids and to pantothenic acid. While exhibiting a bacteriostatic effect in monotreatment, chlorflavonin displayed synergistic effects with the first-line antibiotic isoniazid and particularly with delamanid, leading to a complete sterilization in liquid culture in combination treatment. Using a fluorescent reporter strain, intracellular activity of chlorflavonin against Mycobacterium tuberculosis inside infected macrophages was demonstrated and was superior to streptomycin treatment.
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Affiliation(s)
- Nidja Rehberg
- Institute of Pharmaceutical
Biology and Biotechnology, Heinrich Heine University Düsseldorf, Universitätsstraße 1, 40225 Düsseldorf, Germany
| | - Herve Sergi Akone
- Institute of Pharmaceutical
Biology and Biotechnology, Heinrich Heine University Düsseldorf, Universitätsstraße 1, 40225 Düsseldorf, Germany
- Faculty of Science, Department of Chemistry, University of Douala,
PO Box 24157, 2701 Douala, Cameroon
| | - Thomas R. Ioerger
- Department of Computer Science, Texas A&M University, 710 Ross St., College Station, Texas 77843, United States
| | - German Erlenkamp
- Institute
of Pharmaceutical and Medicinal Chemistry, Heinrich Heine University Düsseldorf, Universitätsstraße 1, 40225 Düsseldorf, Germany
| | - Georgios Daletos
- Institute of Pharmaceutical
Biology and Biotechnology, Heinrich Heine University Düsseldorf, Universitätsstraße 1, 40225 Düsseldorf, Germany
| | - Holger Gohlke
- Institute
of Pharmaceutical and Medicinal Chemistry, Heinrich Heine University Düsseldorf, Universitätsstraße 1, 40225 Düsseldorf, Germany
| | - Peter Proksch
- Institute of Pharmaceutical
Biology and Biotechnology, Heinrich Heine University Düsseldorf, Universitätsstraße 1, 40225 Düsseldorf, Germany
| | - Rainer Kalscheuer
- Institute of Pharmaceutical
Biology and Biotechnology, Heinrich Heine University Düsseldorf, Universitätsstraße 1, 40225 Düsseldorf, Germany
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49
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Kusuma SAF, Iskandar Y, Dewanti MA. The ethanolic extract of ashitaba stem ( Angelica keskei [Miq.] Koidz) as future antituberculosis. J Adv Pharm Technol Res 2018; 9:37-41. [PMID: 29441323 PMCID: PMC5801586 DOI: 10.4103/japtr.japtr_283_17] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
Abstract
Considering the easy contagion of tuberculosis (TB) disease spread and the emergence of multidrug-resistant TB, which directly impacts the failure of therapeutic goals and mortality rates increasing, TB disease control remains to be the main concern of continuous health development effort. Therefore, the discovery of new TB drug is needed. This research assessed the new natural anti-TB drug from the ethanolic extract of Angelica keiskei stem obtained from Lombok, Indonesia. The objectives of this study were to evaluate the sensitivity of Mycobacterium tuberculosis (Mtb) H37Rv strain to A. keiskei stem extract and to determine its minimum inhibitory concentration (MIC). The extraction methods of A. keiskei stem were done using a maceration method. In addition to phytochemical screening and water content analysis using standard method, the phytochemical parameters were analyzed by thin-layer chromatography. Ethanolic extract of A. keiskei stem was assayed for their Mtb inhibitory activity using the proportion method. The phytochemical analysis result showed that the secondary metabolites contain in the extract were flavonoid, polyphenol, tannin, monoterpenoid and sesquiterpen, quinon, and saponin. The anti-TB test result showed the active activity of ethanolic extract of A. keiskei against Mtb H37Rv strain with MIC ranging from 6% to 8% w/v. In conclusion, ethanolic extract of A. keiskei is a prospective natural anti-TB for the future.
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Affiliation(s)
- Sri Agung Fitri Kusuma
- Department of Biology Pharmacy, Faculty of Pharmacy, Padjadjaran University, Jawa Barat, Indonesia
| | - Yoppi Iskandar
- Department of Biology Pharmacy, Faculty of Pharmacy, Padjadjaran University, Jawa Barat, Indonesia
| | - Mutiara Ayu Dewanti
- Department of Biology Pharmacy, Faculty of Pharmacy, Padjadjaran University, Jawa Barat, Indonesia
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50
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Philipova I, Valcheva V, Mihaylova R, Mateeva M, Doytchinova I, Stavrakov G. Synthetic piperine amide analogs with antimycobacterial activity. Chem Biol Drug Des 2017; 91:763-768. [PMID: 29130602 DOI: 10.1111/cbdd.13140] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2017] [Revised: 10/17/2017] [Accepted: 11/01/2017] [Indexed: 12/15/2022]
Abstract
Piperine amide analogs are synthesized by replacement of the piperidine moiety with different types of cyclic amines, including adamantyl and monoterpene-derived fragments. The compounds are screened for activity against Mycobacterium tuberculosis H37Rv. The most potent compounds are the 1-adamantyl and the monoterpene-derived hybrids, which combine nanomolar antimycobacterial activity with low cytotoxicity against human cells. The presence of quaternary carbon atom as main structural requirement for anti-TB activity is pointed out by a QSAR study. The most promising compound is the (+)-isopinocampheylamine-derived amide which is characterized with selectivity index of 1387.8.
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Affiliation(s)
- Irena Philipova
- Institute of Organic Chemistry with Centre of Phytochemistry, Bulgarian Academy of Sciences, Sofia, Bulgaria
| | - Violeta Valcheva
- Institute of Microbiology, Bulgarian Academy of Sciences, Sofia, Bulgaria
| | | | - Mina Mateeva
- Faculty of Pharmacy, Medical University of Sofia, Sofia, Bulgaria
| | | | - Georgi Stavrakov
- Institute of Organic Chemistry with Centre of Phytochemistry, Bulgarian Academy of Sciences, Sofia, Bulgaria.,Faculty of Pharmacy, Medical University of Sofia, Sofia, Bulgaria
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