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Murase LS, Perez de Souza JV, Meneguello JE, Palomo CT, Fernandes Herculano Ramos Milaré ÁC, Negri M, Dias Siqueira VL, Demarchi IG, Vieira Teixeira JJ, Cardoso RF. Antibacterial and immunological properties of piperine evidenced by preclinical studies: a systematic review. Future Microbiol 2023; 18:1279-1299. [PMID: 37882762 DOI: 10.2217/fmb-2023-0101] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2023] [Accepted: 08/23/2023] [Indexed: 10/27/2023] Open
Abstract
Aim: To review in vitro, in vivo, and in silico studies examining the antibacterial and immunomodulatory properties of piperine (PPN). Methods: This systematic review followed PRISMA guidelines, and five databases were searched. Results: A total of 40 articles were included in this study. Six aspects of PPN activity were identified, including antibacterial spectrum, association with antibiotics, efflux pump inhibition, biofilm effects, protein target binding, and modulation of immune functions/virulence factors. Most studies focused on Mycobacterium spp. and Staphylococcus aureus. Cell lineages and in vivo models were employed to study PPN antibacterial effects. Conclusion: We highlight PPN as a potential adjuvant in the treatment of bacterial infections. PPN possesses several antibacterial properties that need further exploration to determine the mechanisms behind its pharmacological activity.
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Affiliation(s)
- Letícia Sayuri Murase
- Postgraduate Program in Health Sciences, State University of Maringa, Maringá, Paraná, 87020-900, Brazil
| | - João Vítor Perez de Souza
- Postgraduate Program in Biosciences and Physiopathology, State University of Maringá, Maringá, Paraná, 87020-900, Brazil
| | - Jean Eduardo Meneguello
- Postgraduate Program in Biosciences and Physiopathology, State University of Maringá, Maringá, Paraná, 87020-900, Brazil
| | - Carolina Trevisolli Palomo
- Postgraduate Program in Health Sciences, State University of Maringa, Maringá, Paraná, 87020-900, Brazil
| | | | - Melyssa Negri
- Postgraduate Program in Health Sciences, State University of Maringa, Maringá, Paraná, 87020-900, Brazil
- Department of Clinical Analysis and Biomedicine, State University of Maringá, Maringá, Paraná, 87020-900, Brazil
| | - Vera Lúcia Dias Siqueira
- Postgraduate Program in Biosciences and Physiopathology, State University of Maringá, Maringá, Paraná, 87020-900, Brazil
- Department of Clinical Analysis and Biomedicine, State University of Maringá, Maringá, Paraná, 87020-900, Brazil
| | - Izabel Galhardo Demarchi
- Department of Clinical Analysis, Federal University of Santa Catarina, Florianopólis, Santa Catarina, 88040-900, Brazil
| | - Jorge Juarez Vieira Teixeira
- Postgraduate Program in Health Sciences, State University of Maringa, Maringá, Paraná, 87020-900, Brazil
- Postgraduate Program in Biosciences and Physiopathology, State University of Maringá, Maringá, Paraná, 87020-900, Brazil
- Department of Clinical Analysis and Biomedicine, State University of Maringá, Maringá, Paraná, 87020-900, Brazil
| | - Rosilene Fressatti Cardoso
- Postgraduate Program in Health Sciences, State University of Maringa, Maringá, Paraná, 87020-900, Brazil
- Postgraduate Program in Biosciences and Physiopathology, State University of Maringá, Maringá, Paraná, 87020-900, Brazil
- Department of Clinical Analysis and Biomedicine, State University of Maringá, Maringá, Paraná, 87020-900, Brazil
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Sawant S, Baldwin TC, Metryka O, Rahman A. Evaluation of the Effect of Plectranthus amboinicus L. Leaf Extracts on the Bacterial Antioxidant System and Cell Membrane Integrity of Pseudomonas aeruginosa PA01 and Staphylococcus aureus NCTC8325. Pathogens 2023; 12:853. [PMID: 37375543 DOI: 10.3390/pathogens12060853] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2023] [Revised: 06/08/2023] [Accepted: 06/19/2023] [Indexed: 06/29/2023] Open
Abstract
Plectranthus amboinicus (Indian borage) has been extensively studied for its medicinal properties, which can be exploited to develop new antimicrobial therapeutics. The current study investigated the effect of Plectranthus amboinicus leaf extracts on the catalase activity, reactive oxygen species, lipid peroxidation, cytoplasmic membrane permeability, and efflux pump activity in S. aureus NCTC8325 and P. aeruginosa PA01. As the enzyme catalase protects bacteria against oxidative stress, disruption of its activity creates an imbalance in reactive oxygen species (ROS) levels, which subsequently oxidizes lipid chains, leading to lipid peroxidation. In addition, bacterial cell membranes are a potential target for new antibacterial agents, as efflux pump systems play a crucial role in antimicrobial resistance. Upon exposure of the microorganisms to Indian borage leaf extracts, the observed catalase activity decreased by 60% and 20% in P. aeruginosa and S. aureus, respectively. The generation of ROS can cause oxidation reactions to occur within the polyunsaturated fatty acids of the lipid membranes and induce lipid peroxidation. To investigate these phenomena, the increase in ROS activity in P. aeruginosa and S. aureus was studied using H2DCFDA, which is oxidized to 2',7'-dichlorofluorescein (DCF) by ROS. Furthermore, the concentration of lipid peroxidation product (malondialdehyde) was assessed using the Thiobarbituric acid assay and was shown to increase by 42.4% and 42.5% in P. aeruginosa and S. aureus, respectively. The effect of the extracts on the cell membrane permeability was monitored using diSC3-5 dye and it was observed that the cell membrane permeability of P. aeruginosa increased by 58% and of S. aureus by 83%. The effect on efflux pump activity was investigated using Rhodamine-6-uptake assay, which displayed a decrease in efflux activity of 25.5% in P. aeruginosa and 24.2% in S. aureus after treatment with the extracts. This combination of different methods to study various bacterial virulence factors provides a more robust, mechanistic understanding of the effect of P. amboinicus extracts on P. aeruginosa and S. aureus. This study thus represents the first report of the assessment of the effect of Indian borage leaf extracts on bacterial antioxidant systems and bacterial cell membranes, and can facilitate the future development of bacterial resistance modifying agents derived from P. amboinicus.
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Affiliation(s)
- Sheeba Sawant
- Faculty of Science and Engineering, University of Wolverhampton, Wulfruna St., Wolverhampton WV1 1LY, UK
| | - Timothy C Baldwin
- Faculty of Science and Engineering, University of Wolverhampton, Wulfruna St., Wolverhampton WV1 1LY, UK
| | - Oliwia Metryka
- Doctoral School, University of Silesia, Bankowa 14, 40-032 Katowice, Poland
| | - Ayesha Rahman
- Faculty of Science and Engineering, University of Wolverhampton, Wulfruna St., Wolverhampton WV1 1LY, UK
- School of Healthcare, College of Life Sciences, University of Leicester, Leicester LE1 7RH, UK
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3
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Kopel J, McDonald J, Hamood A. An Assessment of the In Vitro Models and Clinical Trials Related to the Antimicrobial Activities of Phytochemicals. Antibiotics (Basel) 2022; 11:antibiotics11121838. [PMID: 36551494 PMCID: PMC9774156 DOI: 10.3390/antibiotics11121838] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2022] [Revised: 12/15/2022] [Accepted: 12/16/2022] [Indexed: 12/24/2022] Open
Abstract
An increased number antibiotic-resistant bacteria have emerged with the rise in antibiotic use worldwide. As such, there has been a growing interest in investigating novel antibiotics against antibiotic-resistant bacteria. Due to the extensive history of using plants for medicinal purposes, scientists and medical professionals have turned to plants as potential alternatives to common antibiotic treatments. Unlike other antibiotics in use, plant-based antibiotics have the innate ability to eliminate a broad spectrum of microorganisms through phytochemical defenses, including compounds such as alkaloids, organosulfur compounds, phenols, coumarins, and terpenes. In recent years, these antimicrobial compounds have been refined through extraction methods and tested against antibiotic-resistant strains of Gram-negative and Gram-positive bacteria. The results of the experiments demonstrated that plant extracts successfully inhibited bacteria independently or in combination with other antimicrobial products. In this review, we examine the use of plant-based antibiotics for their utilization against antibiotic-resistant bacterial infections. In addition, we examine recent clinical trials utilizing phytochemicals for the treatment of several microbial infections.
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Affiliation(s)
- Jonathan Kopel
- School of Medicine, Texas Tech University Health Sciences Center, Lubbock, TX 79430, USA
| | | | - Abdul Hamood
- Department of Immunology and Molecular Microbiology, Texas Tech University Health Sciences Center, Lubbock, TX 79430, USA
- Department of Surgery, Texas Tech University Health Sciences Center, Lubbock, TX 79430, USA
- Correspondence:
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4
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Atas B, Aksoy CS, Avci FG, Sayar NA, Ulgen K, Ozkirimli E, Akbulut BS. Carvacrol Enhances the Antimicrobial Potency of Berberine in Bacillus subtilis. Curr Microbiol 2022; 79:135. [PMID: 35303184 DOI: 10.1007/s00284-022-02823-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2021] [Accepted: 02/21/2022] [Indexed: 11/26/2022]
Abstract
The essential oil carvacrol from oregano displays a wide range of biological activities among which is found the inhibition of efflux pumps. Thus, using carvacrol, the current work undertook the effort to potentiate the antimicrobial activity of berberine, a natural product with limited antimicrobial efficacy due to its efflux. Following the selection of concentrations for the combinatorial treatments, guided by checkerboard microtiter plate assay and growth experiments, ethidium bromide accumulation assay was used to find that 25 μg mL-1 carvacrol displayed a weak efflux pump inhibitor character in Bacillus subtilis. Scanning electron microscopy images and cellular material leakage assays showed that carvacrol at this concentration neither altered the morphology nor the permeability of the membrane alone but when combined with 75 μg mL-1 berberine. Among the efflux pumps of different families found in B. subtilis, except for BmrA and Mdr, the increase in the expressional changes was striking, with Blt displaying ~ 4500-fold increase in expression under the combination treatment. Overall, the findings demonstrated that carvacrol potentiated the effect of berberine; however, not only multiple pumps but also different targets may be responsible for the observed activity.
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Affiliation(s)
- Basak Atas
- Bioengineering Department, Marmara University, Kadikoy, 34722, Istanbul, Turkey
| | - Cemile Selin Aksoy
- Bioengineering Department, Marmara University, Kadikoy, 34722, Istanbul, Turkey
| | - Fatma Gizem Avci
- Bioengineering Department, Uskudar University, Uskudar, 34662, Istanbul, Turkey
| | - Nihat Alpagu Sayar
- Bioengineering Department, Marmara University, Kadikoy, 34722, Istanbul, Turkey
| | - Kutlu Ulgen
- Chemical Engineering Department, Bogazici University, Bebek, 34342, Istanbul, Turkey
| | - Elif Ozkirimli
- Chemical Engineering Department, Bogazici University, Bebek, 34342, Istanbul, Turkey
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5
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Fatima S, Kumari A, Dwivedi VP. Advances in adjunct therapy against tuberculosis: Deciphering the emerging role of phytochemicals. MedComm (Beijing) 2021; 2:494-513. [PMID: 34977867 PMCID: PMC8706769 DOI: 10.1002/mco2.82] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2020] [Revised: 04/08/2021] [Accepted: 04/13/2021] [Indexed: 12/14/2022] Open
Abstract
Eastern countries are a major source of medicinal plants, which set up a rich source of ethnopharmacologically known medicines used in the treatment of various diseases. These traditional medicines have been known as complementary, alternative, or nonconventional therapy across globe for ages. Tuberculosis (TB) poses a huge global burden and leads to maximum number of deaths due to an infectious agent. Treatment of TB using Directly Observed Treatment Short-course (DOTS) therapy comprises multiple antibiotics is quite lengthy and causes serious side-effects in different organs. The length of the TB treatment leads to withdrawal from the patients, which paves the way for the emergence of drug resistance in the bacterial population. These concerns related to therapy need serious and immediate interventions. Traditional medicines using phytochemicals has shown to provide tremendous potential in TB treatment, mainly in the eradication of Mycobacterium tuberculosis (M.tb), increasing natural immunity, and managing the side effects of anti-TB drugs. This review describes the antituberculosis potential of selected ethnopharmacologically important phytochemicals as potential immune-modulator and as an adjunct-therapy in TB. This review will be a useful reference for researchers working on ethnopharmacology and will open the door for the discovery of novel agents as an adjunct-therapy to tuberculosis.
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Affiliation(s)
- Samreen Fatima
- Immunobiology GroupInternational Centre for Genetic Engineering and BiotechnologyNew DelhiIndia
| | - Anjna Kumari
- Immunobiology GroupInternational Centre for Genetic Engineering and BiotechnologyNew DelhiIndia
| | - Ved Prakash Dwivedi
- Immunobiology GroupInternational Centre for Genetic Engineering and BiotechnologyNew DelhiIndia
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6
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Identified Seaweed Compound Diphenylmethane Serves as an Efflux Pump Inhibitor in Drug-Resistant Escherichia coli. Antibiotics (Basel) 2021; 10:antibiotics10111378. [PMID: 34827316 PMCID: PMC8614644 DOI: 10.3390/antibiotics10111378] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2021] [Revised: 11/06/2021] [Accepted: 11/09/2021] [Indexed: 11/17/2022] Open
Abstract
Drug efflux pumps are one of the major elements used by antibiotic-resistant bacteria. Efflux pump inhibitors (EPIs) are potential therapeutic agents for adjunctive therapy, which can restore the activity of antibiotics that are no longer effective against pathogens. This study evaluated the seaweed compound diphenylmethane (DPM) for its EPI activity. The IC50 and modulation results showed that DPM has no antibacterial activity but can potentiate the activity of antibiotics against drug-resistant E. coli. Time-kill studies reported that a combination of DPM and erythromycin exhibited greater inhibitory activity against drug-resistant Escherichia coli. Dye accumulation and dye efflux studies using Hoechst 33342 and ethidium bromide showed that the addition of DPM significantly increased dye accumulation and reduced dye efflux in drug-resistant E. coli, suggesting its interference with dye translocation by an efflux pump. Using MALDI-TOF, it was observed that the addition of DPM could continuously reduce antibiotic efflux in drug-resistant E. coli. Additionally, DPM did not seem to damage the E. coli membranes, and the cell toxicity test showed that it features mild human-cell toxicity. In conclusion, these findings showed that DPM could serve as a potential EPI for drug-resistant E. coli.
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Šimunović K, Solnier J, Alperth F, Kunert O, Možina SS, Bucar F. Efflux Pump Inhibition and Resistance Modulation in Mycobacterium smegmatis by Peucedanum ostruthium and Its Coumarins. Antibiotics (Basel) 2021; 10:antibiotics10091075. [PMID: 34572657 PMCID: PMC8472667 DOI: 10.3390/antibiotics10091075] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2021] [Revised: 09/02/2021] [Accepted: 09/03/2021] [Indexed: 11/16/2022] Open
Abstract
Antibiotic resistance is a growing problem and may become the next major global health crisis if no timely actions are taken. Mycobacterial infections are widespread and, due to antibiotic resistance, also hard to treat and a major cause of mortality. Natural compounds have the potential to increase antibiotic effectiveness due to their resistance modulatory and antimicrobial effects. In this study, Peucedanum ostruthium extracts, fractions, and isolated compounds were investigated regarding their antimicrobial and resistance-modulatory effects as well as efflux pump inhibition in Mycobacterium smegmatis. P. ostruthium extracts were found to have anti-mycobacterial potential and resistance modulating effects on ethidium bromide activity. The major antibacterial effect was attributed to ostruthin, and we found that the more lipophilic the substrate, the greater the antimicrobial effect. Imperatorin caused potent modulatory effects by interfering with the action of the major LfrA efflux pump in M. smegmatis. The plant P. ostruthuim has a complex effect on M. smegmatis, including antibacterial, efflux pump inhibition, resistance modulation, and membrane permeabilization, and its major constituents, ostruthin and imperatorin, have a distinct role in these effects. This makes P. ostruthium and its coumarins promising therapeutics to consider in the fight against drug-resistant mycobacteria.
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Affiliation(s)
- Katarina Šimunović
- Department of Pharmacognosy, Institute of Pharmaceutical Sciences, University of Graz, Beethovenstraße 8, 8010 Graz, Austria; (K.Š.); (J.S.); (F.A.)
- Department of Food Science and Technology, Biotechnical Faculty, University of Ljubljana, Jamnikarjeva 101, 1000 Ljubljana, Slovenia;
| | - Julia Solnier
- Department of Pharmacognosy, Institute of Pharmaceutical Sciences, University of Graz, Beethovenstraße 8, 8010 Graz, Austria; (K.Š.); (J.S.); (F.A.)
| | - Fabian Alperth
- Department of Pharmacognosy, Institute of Pharmaceutical Sciences, University of Graz, Beethovenstraße 8, 8010 Graz, Austria; (K.Š.); (J.S.); (F.A.)
| | - Olaf Kunert
- Department of Pharmaceutical Chemistry, Institute of Pharmaceutical Sciences, University of Graz, Beethovenstraße 8, 8010 Graz, Austria;
| | - Sonja Smole Možina
- Department of Food Science and Technology, Biotechnical Faculty, University of Ljubljana, Jamnikarjeva 101, 1000 Ljubljana, Slovenia;
| | - Franz Bucar
- Department of Pharmacognosy, Institute of Pharmaceutical Sciences, University of Graz, Beethovenstraße 8, 8010 Graz, Austria; (K.Š.); (J.S.); (F.A.)
- Correspondence: ; Tel.: +43-316-380-5531
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8
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Ma F, Zhou H, Yang Z, Wang C, An Y, Ni L, Liu M, Wang Y, Yu L. Gene expression profile analysis and target gene discovery of Mycobacterium tuberculosis biofilm. Appl Microbiol Biotechnol 2021; 105:5123-5134. [PMID: 34125278 DOI: 10.1007/s00253-021-11361-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2020] [Revised: 04/27/2021] [Accepted: 05/20/2021] [Indexed: 10/21/2022]
Abstract
Tuberculosis (TB) caused by Mycobacterium tuberculosis (M. tuberculosis) is a fatal infectious disease to human health, and the drug tolerance and immune evasion of M. tuberculosis were reported to be related to its biofilm formation; however, the difficulty of M. tuberculosis biofilm culture and its unknown global mechanism impede its further research. Here, we developed a modified in vitro M. tuberculosis biofilm model with shorter culture time. Then we used Illumina RNA-seq technology to determine the global gene expression profile of M. tuberculosis H37Rv biofilms. Over 437 genes are expressed at significantly different levels in biofilm cells than in planktonic cells; among them, 153 were downregulated and 284 were upregulated. Go enrichment analysis and KEGG pathway analysis showed that genes involved in biosynthesis and metabolism of sulfur metabolism, steroid degradation, atrazine degradation, mammalian cell entry protein complex, etc. are involved in M. tuberculosis biofilm cells. Especially, ATP-binding cassette (ABC) transporters Rv1217c and Rv1218c were significantly upregulated in biofilm, whereas efflux pump inhibitors (EPIs) piperine and 1-(1-naphthylmethyl)-piperazine (NMP) inhibited biofilm formation and the expression of the Rv1217c and Rv1218c genes in a concentration-dependent manner, respectively, indicating Rv1217c and Rv1218c are potential target genes of M. tuberculosis biofilm. This study is the first RNA-Seq-based transcriptome profiling of M. tuberculosis biofilms and provides insights into a potential strategy for M. tuberculosis biofilm inhibition. KEY POINTS: • Characterize M. tuberculosis transcriptomes in biofilm cells by RNA-seq. • Inhibit the expression of Rv1217c and Rv1218c repressed biofilm formation.
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Affiliation(s)
- Fangxue Ma
- Key Laboratory for Zoonoses Research, Ministry of Education, Institute of Zoonosis, Department of Infectious Diseases, First Hospital of Jilin University, College of Veterinary Medicine, Jilin University, Changchun, 130062, China
| | - Hong Zhou
- Key Laboratory for Zoonoses Research, Ministry of Education, Institute of Zoonosis, Department of Infectious Diseases, First Hospital of Jilin University, College of Veterinary Medicine, Jilin University, Changchun, 130062, China
| | - Zhiqiang Yang
- Institute of Biomedical Sciences, School of Life Science, Shanxi University, Taiyuan, 030006, China
| | - Chao Wang
- Department of Immunology, Binzhou Medical University, Yantai, 264000, China
| | - Yanan An
- Department of Physiology, Binzhou Medical University, Yantai, 264000, China
| | - Lihui Ni
- Key Laboratory for Zoonoses Research, Ministry of Education, Institute of Zoonosis, Department of Infectious Diseases, First Hospital of Jilin University, College of Veterinary Medicine, Jilin University, Changchun, 130062, China
| | - Mingyuan Liu
- Key Laboratory for Zoonoses Research, Ministry of Education, Institute of Zoonosis, Department of Infectious Diseases, First Hospital of Jilin University, College of Veterinary Medicine, Jilin University, Changchun, 130062, China.,Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou, 225009, China
| | - Yang Wang
- Key Laboratory for Zoonoses Research, Ministry of Education, Institute of Zoonosis, Department of Infectious Diseases, First Hospital of Jilin University, College of Veterinary Medicine, Jilin University, Changchun, 130062, China.
| | - Lu Yu
- Key Laboratory for Zoonoses Research, Ministry of Education, Institute of Zoonosis, Department of Infectious Diseases, First Hospital of Jilin University, College of Veterinary Medicine, Jilin University, Changchun, 130062, China.
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9
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ALTINIŞIK F, ATAŞ B, AVCI FG. Evaluation of silibinin as an efflux pump inhibitor in Bacillus subtilis. INTERNATIONAL JOURNAL OF SECONDARY METABOLITE 2021. [DOI: 10.21448/ijsm.865031] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
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10
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Sarangi A, Das BS, Patnaik G, Sarkar S, Debnath M, Mohan M, Bhattacharya D. Potent anti-mycobacterial and immunomodulatory activity of some bioactive molecules of Indian ethnomedicinal plants that have the potential to enter in TB management. J Appl Microbiol 2021; 131:1578-1599. [PMID: 33772980 DOI: 10.1111/jam.15088] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2020] [Revised: 03/01/2021] [Accepted: 03/23/2021] [Indexed: 11/26/2022]
Abstract
Tuberculosis (TB) is one of the deadliest infectious diseases of human civilization. Approximately one-third of global population is latently infected with the TB pathogen Mycobacterium tuberculosis (M.tb). The discovery of anti-TB antibiotics leads to decline in death rate of TB. However, the evolution of antibiotic-resistant M.tb-strain and the resurgence of different immune-compromised diseases re-escalated the death rate of TB. WHO has already cautioned about the chances of pandemic situation in TB endemic countries until the discovery of new anti-tubercular drugs, that is, the need of the hour. Analysing the pathogenesis of TB, it was found that M.tb evades the host by altering the balance of immune response and affects either by killing the cells or by creating inflammation. In the pre-antibiotic era, traditional medicines were only therapeutic measures for different infectious diseases including tuberculosis. The ancient literatures of India or ample Indian traditional knowledge and ethnomedicinal practices are evidence for the treatment of TB using different indigenous plants. However, in the light of modern scientific approach, anti-TB effects of those plants and their bioactive molecules were not established thoroughly. In this review, focus has been given on five bioactive molecules of different traditionally used Indian ethnomedicinal plants for treatment of TB or TB-like symptom. These compounds are also validated with proper identification and their mode of action with modern scientific approaches. The effectiveness of these molecules for sensitive or drug-resistant TB pathogen in clinical or preclinical studies was also evaluated. Thus, our specific aim is to highlight such scientifically validated bioactive compounds having anti-mycobacterial and immunomodulatory activity for future use as medicine or adjunct-therapeutic molecule for TB management.
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Affiliation(s)
- A Sarangi
- Centre for Biotechnology, School of Pharmaceutical Sciences, SOA Deemed to be University, Bhubaneswar, Odisha, India
| | - B S Das
- Centre for Biotechnology, School of Pharmaceutical Sciences, SOA Deemed to be University, Bhubaneswar, Odisha, India
| | - G Patnaik
- Special Centre for Molecular Medicine, Jawaharlal Nehru University, New Delhi, India
| | - S Sarkar
- Barsal High School, Rampurhat, West Bengal, India
| | - M Debnath
- Panskura Banamali College (Autonomous), Vidyasagar University, Panskura, West Bengal, India
| | - M Mohan
- ICMR-National Institute of Malarial Research (NIMR), New Delhi, India
| | - D Bhattacharya
- Centre for Biotechnology, School of Pharmaceutical Sciences, SOA Deemed to be University, Bhubaneswar, Odisha, India
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11
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Serçinoğlu O, Senturk D, Altinisik Kaya FE, Avci FG, Frlan R, Tomašič T, Ozbek P, Orelle C, Jault JM, Sariyar Akbulut B. Identification of novel inhibitors of the ABC transporter BmrA. Bioorg Chem 2020; 105:104452. [PMID: 33212311 DOI: 10.1016/j.bioorg.2020.104452] [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] [Received: 07/11/2020] [Revised: 10/23/2020] [Accepted: 11/01/2020] [Indexed: 01/02/2023]
Abstract
The resistance of microbes to commonly used antibiotics has become a worldwide health problem. A major underlying mechanism of microbial antibiotic resistance is the export of drugs from bacterial cells. Drug efflux is mediated through the action of multidrug resistance efflux pumps located in the bacterial cell membranes. The critical role of bacterial efflux pumps in antibiotic resistance has directed research efforts to the identification of novel efflux pump inhibitors that can be used alongside antibiotics in clinical settings. Here, we aimed to find potential inhibitors of the archetypical ATP-binding cassette (ABC) efflux pump BmrA of Bacillus subtilis via virtual screening of the Mu.Ta.Lig. Chemotheca small molecule library. Molecular docking calculations targeting the nucleotide-binding domain of BmrA were performed using AutoDock Vina. Following a further drug-likeness filtering step based on Lipinski's Rule of Five, top 25 scorers were identified. These ligands were then clustered into separate groups based on their contact patterns with the BmrA nucleotide-binding domain. Six ligands with distinct contact patterns were used for further in vitro inhibition assays based on intracellular ethidium bromide accumulation. Using this methodology, we identified two novel inhibitors of BmrA from the Chemotheca small molecule library.
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Affiliation(s)
- Onur Serçinoğlu
- Department of Bioengineering, Recep Tayyip Erdogan University, Fener 53100, Rize, Turkey
| | - Duygu Senturk
- Department of Bioengineering, Marmara University, Kadikoy 34722, Istanbul, Turkey
| | | | - Fatma Gizem Avci
- Department of Bioengineering, Uskudar University, Uskudar 34662, Istanbul, Turkey
| | - Rok Frlan
- University of Ljubljana, Faculty of Pharmacy, Aškerčeva 7, 1000 Ljubljana, Slovenia
| | - Tihomir Tomašič
- University of Ljubljana, Faculty of Pharmacy, Aškerčeva 7, 1000 Ljubljana, Slovenia
| | - Pemra Ozbek
- Department of Bioengineering, Marmara University, Kadikoy 34722, Istanbul, Turkey
| | - Cédric Orelle
- University of Lyon, CNRS, UMR5086 "Molecular Microbiology and Structural Biochemistry", 7 passage du Vercors, 69367 Lyon Cedex 7, France
| | - Jean-Michel Jault
- University of Lyon, CNRS, UMR5086 "Molecular Microbiology and Structural Biochemistry", 7 passage du Vercors, 69367 Lyon Cedex 7, France
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12
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Haq IU, Imran M, Nadeem M, Tufail T, Gondal TA, Mubarak MS. Piperine: A review of its biological effects. Phytother Res 2020; 35:680-700. [PMID: 32929825 DOI: 10.1002/ptr.6855] [Citation(s) in RCA: 124] [Impact Index Per Article: 31.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2020] [Revised: 07/18/2020] [Accepted: 08/01/2020] [Indexed: 02/06/2023]
Abstract
Medicinal plants have been used for years as a source of food, spices, and, in traditional medicine, as a remedy to numerous diseases. Piper nigrum, belonging to the family Piperaceae is one of the most widely used spices all over the world. It has a distinct sharp flavor attributed to the presence of the phytochemical, piperine. Apart from its use as a spice, P. nigrum is frequently used for medicinal, preservation, and perfumery purposes. Black pepper contains 2-7.4% of piperine, varying in content is associated with the pepper plant. Piperine displays numerous pharmacological effects such as antiproliferative, antitumor, antiangiogenesis, antioxidant, antidiabetic, anti-obesity, cardioprotective, antimicrobial, antiaging, and immunomodulatory effects in various in vitro and in vivo experimental trials. Furthermore, piperine has also been documented for its hepatoprotective, anti-allergic, anti-inflammatory, and neuroprotective properties. This review highlights and discusses the medicinal and health-promoting effects of piperine, along with possible mechanisms of its action in health promotion and disease prevention. In addition, the present review summarizes the recent literature related to piperine as a therapeutic agent against several diseases.
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Affiliation(s)
- Iahtisham-Ul Haq
- Department of Diet and Nutritional Sciences, Faculty of Health and Allied Sciences, Imperial College of Business Studies, Lahore, Pakistan
| | - Muhammad Imran
- University Institute of Diet and Nutritional Sciences, Faculty of Allied Health Sciences, The University of Lahore, Lahore, Pakistan
| | - Muhammad Nadeem
- Department of Environmental Sciences, Comsats University Islamabad, Vehari, Pakistan
| | - Tabussam Tufail
- University Institute of Diet and Nutritional Sciences, Faculty of Allied Health Sciences, The University of Lahore, Lahore, Pakistan
| | - Tanweer A Gondal
- School of Exercise and Nutrition, Faculty of Health, Deakin University, Geelong, Victoria, Australia
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13
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Piperine: A comprehensive review of methods of isolation, purification, and biological properties. MEDICINE IN DRUG DISCOVERY 2020. [DOI: 10.1016/j.medidd.2020.100027] [Citation(s) in RCA: 32] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
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14
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Rindi L. Efflux Pump Inhibitors Against Nontuberculous Mycobacteria. Int J Mol Sci 2020; 21:ijms21124191. [PMID: 32545436 PMCID: PMC7348771 DOI: 10.3390/ijms21124191] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2020] [Revised: 06/09/2020] [Accepted: 06/10/2020] [Indexed: 12/12/2022] Open
Abstract
Over the last years, nontuberculous mycobacteria (NTM) have emerged as important human pathogens. Infections caused by NTM are often difficult to treat due to an intrinsic multidrug resistance for the presence of a lipid-rich outer membrane, thus encouraging an urgent need for the development of new drugs for the treatment of mycobacterial infections. Efflux pumps (EPs) are important elements that are involved in drug resistance by preventing intracellular accumulation of antibiotics. A promising strategy to decrease drug resistance is the inhibition of EP activity by EP inhibitors (EPIs), compounds that are able to increase the intracellular concentration of antimicrobials. Recently, attention has been focused on identifying EPIs in mycobacteria that could be used in combination with drugs. The aim of the present review is to provide an overview of the current knowledge on EPs and EPIs in NTM and also, the effect of potential EPIs as well as their combined use with antimycobacterial drugs in various NTM species are described.
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Affiliation(s)
- Laura Rindi
- Dipartimento di Ricerca Traslazionale e delle Nuove Tecnologie in Medicina e Chirurgia, Università di Pisa, I-56127 Pisa, Italy
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15
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Piperine-A Major Principle of Black Pepper: A Review of Its Bioactivity and Studies. APPLIED SCIENCES-BASEL 2019. [DOI: 10.3390/app9204270] [Citation(s) in RCA: 55] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Piperine is the main compound present in black pepper, and is the carrier of its specific pungent taste, which is responsible for centuries of human dietary utilization and worldwide popularity as a food ingredient. Along with the application as a food ingredient and food preservative, it is used in traditional medicine for many purposes, which has in most cases been justified by modern scientific studies on its biological effects. It has been confirmed that piperine has many bioactive effects, such as antimicrobial action, as well as many physiological effects that can contribute to general human health, including immunomodulatory, hepatoprotective, antioxidant, antimetastatic, antitumor, and many other activities. Clinical studies demonstrated remarkable antioxidant, antitumor, and drug availability-enhancing characteristics of this compound, together with immunomodulatory potential. All these facts point to the therapeutic potential of piperine and the need to incorporate this compound into general health-enhancing medical formulations, as well as into those that would be used as adjunctive therapy in order to enhance the bioavailability of various (chemo)therapeutic drugs.
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Prasch S, Duran AG, Chinchilla N, Molinillo JMG, Macías FA, Bucar F. Resistance modulatory and efflux-inhibitory activities of capsaicinoids and capsinoids. Bioorg Chem 2018; 82:378-384. [PMID: 30428416 DOI: 10.1016/j.bioorg.2018.10.062] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2018] [Revised: 10/18/2018] [Accepted: 10/29/2018] [Indexed: 12/12/2022]
Abstract
Capsaicinoids are reported to have a bunch of promising pharmacological activities, among them antibacterial effects against various strains of bacteria. In this study the effect on efflux pumps of mycobacteria was investigated. The importance of efflux pumps, and the inhibition of these, is rising due to their involvement in antibiotic resistance development. In order to draw structure and activity relationships we tested natural and synthetical capsaicinoids as well as synthetical capsinoids. In an accumulation assay these compounds were evaluated for their ability to accumulate ethidium bromide into mycobacterial cells, a well-known substrate for efflux pumps. Capsaicin and dihydrocapsaicin, the two most abundant capsaicinoids in Capsicum species, proved to be superior efflux pump inhibitors compared to the standard verapamil. A dilution series showed dose dependency of both compounds. The compound class of less pungent capsinoids qualified for further investigation as antibacterials against Mycobacterium smegmatis.
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Affiliation(s)
- Sandra Prasch
- Institute of Pharmaceutical Sciences, Department of Pharmacognosy, University of Graz, Universitaetsplatz 4, 8010 Graz, Austria
| | - Alexandra G Duran
- Allelopathy Group, Department of Organic Chemistry, Institute of Biomolecules (INBIO), Campus de Excelencia Internacional (ceiA3), School of Sciences, University of Cádiz, C/República Saharaui, n 7, 11510 Puerto Real, Cádiz, Spain
| | - Nuria Chinchilla
- Allelopathy Group, Department of Organic Chemistry, Institute of Biomolecules (INBIO), Campus de Excelencia Internacional (ceiA3), School of Sciences, University of Cádiz, C/República Saharaui, n 7, 11510 Puerto Real, Cádiz, Spain
| | - José M G Molinillo
- Allelopathy Group, Department of Organic Chemistry, Institute of Biomolecules (INBIO), Campus de Excelencia Internacional (ceiA3), School of Sciences, University of Cádiz, C/República Saharaui, n 7, 11510 Puerto Real, Cádiz, Spain
| | - Francisco A Macías
- Allelopathy Group, Department of Organic Chemistry, Institute of Biomolecules (INBIO), Campus de Excelencia Internacional (ceiA3), School of Sciences, University of Cádiz, C/República Saharaui, n 7, 11510 Puerto Real, Cádiz, Spain
| | - Franz Bucar
- Institute of Pharmaceutical Sciences, Department of Pharmacognosy, University of Graz, Universitaetsplatz 4, 8010 Graz, Austria.
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Hegeto LA, Caleffi-Ferracioli KR, Perez de Souza J, Almeida ALD, Nakamura de Vasconcelos SS, Barros ILE, Canezin PH, Campanerut-Sá PAZ, Scodro RBDL, Siqueira VLD, Teixeira JJV, Cardoso RF. Promising Antituberculosis Activity of Piperine Combined with Antimicrobials: A Systematic Review. Microb Drug Resist 2018; 25:120-126. [PMID: 30096263 DOI: 10.1089/mdr.2018.0107] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023] Open
Abstract
Piperine, a bioactive compound from Piper nigrum and Piper longum, has shown promising activity as efflux pump (EP) inhibitor and as adjunct in treatment of tuberculosis (TB). The present systematic review investigated scientific studies of the activity of piperine against mycobacteria, with a focus on its mechanism of action, drug interactions, and antimycobacterial activity. A broad and rigorous literature search of three electronic databases (PubMed, Web of Knowledge, and LILACS) was performed according to the PRISMA statement. We considered studies that were published up to December 1, 2017. Google Scholar was also searched to increase the number of publications. We searched for articles using the search terms "piperine" and "Mycobacterium spp." The search yielded a total of 225 articles. After removing duplicate publications, 208 publications remained. Of these, we evaluated the full text of 13 articles. After applying the inclusion criteria, eight studies were included in the present systematic review. The results of the systematic review showed that piperine has promising anti-TB activity, mainly when combined with antimicrobials, and plays an important role as an EP inhibitor.
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Affiliation(s)
- Laíse Adriane Hegeto
- 1 Postgraduate Program in Health Sciences, State University of Maringa , Maringa, Brazil
| | - Katiany R Caleffi-Ferracioli
- 2 Department of Clinical Analysis and Biomedicine, State University of Maringa , Maringa, Brazil
- 3 Postgraduate Program in Biosciences and Physiopathology, State University of Maringa , Maringa, Brazil
| | - JoãoVitor Perez de Souza
- 3 Postgraduate Program in Biosciences and Physiopathology, State University of Maringa , Maringa, Brazil
| | - Aryadne Larissa de Almeida
- 3 Postgraduate Program in Biosciences and Physiopathology, State University of Maringa , Maringa, Brazil
| | | | | | - Pedro Henrique Canezin
- 1 Postgraduate Program in Health Sciences, State University of Maringa , Maringa, Brazil
| | | | - Regiane Bertin de Lima Scodro
- 1 Postgraduate Program in Health Sciences, State University of Maringa , Maringa, Brazil
- 2 Department of Clinical Analysis and Biomedicine, State University of Maringa , Maringa, Brazil
| | - Vera Lucia Dias Siqueira
- 2 Department of Clinical Analysis and Biomedicine, State University of Maringa , Maringa, Brazil
- 3 Postgraduate Program in Biosciences and Physiopathology, State University of Maringa , Maringa, Brazil
| | - Jorge Juarez Vieira Teixeira
- 1 Postgraduate Program in Health Sciences, State University of Maringa , Maringa, Brazil
- 2 Department of Clinical Analysis and Biomedicine, State University of Maringa , Maringa, Brazil
- 3 Postgraduate Program in Biosciences and Physiopathology, State University of Maringa , Maringa, Brazil
| | - Rosilene Fressatti Cardoso
- 1 Postgraduate Program in Health Sciences, State University of Maringa , Maringa, Brazil
- 2 Department of Clinical Analysis and Biomedicine, State University of Maringa , Maringa, Brazil
- 3 Postgraduate Program in Biosciences and Physiopathology, State University of Maringa , Maringa, Brazil
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18
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Krishnamoorthy R, Athinarayanan J, Periasamy VS, Adisa AR, Al-Shuniaber MA, Gassem MA, Alshatwi AA. Antimicrobial activity of nanoemulsion on drug-resistant bacterial pathogens. Microb Pathog 2018; 120:85-96. [PMID: 29684541 DOI: 10.1016/j.micpath.2018.04.035] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2018] [Revised: 04/17/2018] [Accepted: 04/19/2018] [Indexed: 02/02/2023]
Abstract
The appearance of drug-resistant (DR) bacteria in the community is a crucial development, and is associated with increased morbidity, mortality, healthcare costs, and antibiotic use. Natural oil nanoemulsions (NEs) have potential for antimicrobial applications. In the present study, we determined the antimicrobial activity of an NE against DR bacterial pathogens in vitro. The NE comprised Cleome viscosa essential oil, Tween 80 nonionic surfactant, and water. We found that an NE with a droplet size of 7 nm and an oil:surfactant (v/v) ratio of 1:3 was effective against methicillin-resistant Staphylococcus aureus (MRSA), DR Streptococcus pyogenes, and DR extended-spectrum beta-lactamase (ESBL)-producing Escherichia coli, Klebsiella pneumoniae, and Pseudomonas aeruginosa. Fourier-transform infrared (FTIR) spectroscopy revealed that NE treatment modified the functional groups of lipids, proteins, and nucleic acids in DR bacterial cells. Scanning electron microscopy (SEM) showed damage to the cell membranes and walls of NE-treated DR bacteria. These alterations were caused by bioactive compounds with wide-spectrum enzyme-inhibiting activity in the NE, such as β-sitosterol, demecolcine, campesterol, and heneicosyl formate. The results suggest that the nanoemulsion is effective against DR bacteria, and acts by inhibiting the drug efflux mechanism of DR strains.
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Affiliation(s)
- Rajapandiyan Krishnamoorthy
- Nanobiotechnology and Molecular Biology Research Lab, Department of Food Science and Nutrition, College of Food and Agriculture Sciences, King Saud University, Riyadh 11541, Saudi Arabia
| | - Jegan Athinarayanan
- Nanobiotechnology and Molecular Biology Research Lab, Department of Food Science and Nutrition, College of Food and Agriculture Sciences, King Saud University, Riyadh 11541, Saudi Arabia
| | - Vaiyapuri Subbarayan Periasamy
- Nanobiotechnology and Molecular Biology Research Lab, Department of Food Science and Nutrition, College of Food and Agriculture Sciences, King Saud University, Riyadh 11541, Saudi Arabia
| | - Abdulraheem R Adisa
- Nanobiotechnology and Molecular Biology Research Lab, Department of Food Science and Nutrition, College of Food and Agriculture Sciences, King Saud University, Riyadh 11541, Saudi Arabia
| | - Mohammed A Al-Shuniaber
- Nanobiotechnology and Molecular Biology Research Lab, Department of Food Science and Nutrition, College of Food and Agriculture Sciences, King Saud University, Riyadh 11541, Saudi Arabia
| | - Mustafa A Gassem
- Nanobiotechnology and Molecular Biology Research Lab, Department of Food Science and Nutrition, College of Food and Agriculture Sciences, King Saud University, Riyadh 11541, Saudi Arabia
| | - Ali A Alshatwi
- Nanobiotechnology and Molecular Biology Research Lab, Department of Food Science and Nutrition, College of Food and Agriculture Sciences, King Saud University, Riyadh 11541, Saudi Arabia.
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19
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Hard cap espresso extraction and liquid chromatography determination of bioactive compounds in vegetables and spices. Food Chem 2017; 237:75-82. [DOI: 10.1016/j.foodchem.2017.05.101] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2016] [Revised: 05/16/2017] [Accepted: 05/17/2017] [Indexed: 12/23/2022]
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20
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Costa SS, Lopes E, Azzali E, Machado D, Coelho T, da Silva PEA, Viveiros M, Pieroni M, Couto I. An Experimental Model for the Rapid Screening of Compounds with Potential Use Against Mycobacteria. Assay Drug Dev Technol 2017; 14:524-534. [PMID: 27845849 DOI: 10.1089/adt.2016.752] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023] Open
Abstract
Infections caused by Mycobacterium tuberculosis and other mycobacteria are major challenges for global public health. Particularly worrisome are infections caused by multidrug-resistant bacteria, which are increasingly difficult to treat because of the loss of efficacy of the current antibacterial agents, a problem that continues to escalate worldwide. There has been a limited interest and investment on the development of new antibacterial agents in the past decades. This has led to the current situation, in which there is an urgent demand for innovative therapeutic alternatives to fight infections caused by multidrug-resistant pathogens, such as multidrug-resistant tuberculosis. The identification of compounds that can act as adjuvants in antimycobacterial therapeutic regimens is an appealing strategy to restore the efficacy lost by some of the antibiotics currently used and shorten the duration of the therapeutic regimen. In this work, by setting Mycobacterium smegmatis as a model organism, we have developed a methodological strategy to identify, in a fast and simple approach, compounds with antimycobacterial activity or with potential adjuvant properties, by either inhibition of efflux or other unrelated mechanisms. Such an approach may increase the rate of identification of promising molecules, to be further explored in pathogenic models for their potential use either as antimicrobials or as adjuvants, in combination with available therapeutic regimens for the treatment of mycobacterial infections. This method allowed us to identify a new molecule that shows promising activity as an efflux inhibitor in M. smegmatis.
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Affiliation(s)
- Sofia Santos Costa
- 1 Global Health and Tropical Medicine, GHTM, Instituto de Higiene e Medicina Tropical, IHMT, Universidade Nova de Lisboa , UNL, Lisbon, Portugal
| | - Elizeth Lopes
- 1 Global Health and Tropical Medicine, GHTM, Instituto de Higiene e Medicina Tropical, IHMT, Universidade Nova de Lisboa , UNL, Lisbon, Portugal
| | - Elisa Azzali
- 2 P4T group, Department of Pharmacy, University of Parma , Parma, Italy
| | - Diana Machado
- 1 Global Health and Tropical Medicine, GHTM, Instituto de Higiene e Medicina Tropical, IHMT, Universidade Nova de Lisboa , UNL, Lisbon, Portugal
| | - Tatiane Coelho
- 3 Núcleo de Pesquisa em Microbiologia Médica, Faculdade de Medicina, Universidade Federal do Rio Grande , Rio Grande, Brazil
| | - Pedro Eduardo Almeida da Silva
- 3 Núcleo de Pesquisa em Microbiologia Médica, Faculdade de Medicina, Universidade Federal do Rio Grande , Rio Grande, Brazil
| | - Miguel Viveiros
- 1 Global Health and Tropical Medicine, GHTM, Instituto de Higiene e Medicina Tropical, IHMT, Universidade Nova de Lisboa , UNL, Lisbon, Portugal
| | - Marco Pieroni
- 2 P4T group, Department of Pharmacy, University of Parma , Parma, Italy
| | - Isabel Couto
- 1 Global Health and Tropical Medicine, GHTM, Instituto de Higiene e Medicina Tropical, IHMT, Universidade Nova de Lisboa , UNL, Lisbon, Portugal
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21
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Mishra SK, Tripathi G, Kishore N, Singh RK, Singh A, Tiwari VK. Drug development against tuberculosis: Impact of alkaloids. Eur J Med Chem 2017. [DOI: 10.1016/j.ejmech.2017.06.005] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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22
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Efflux Attenuates the Antibacterial Activity of Q203 in Mycobacterium tuberculosis. Antimicrob Agents Chemother 2017; 61:AAC.02637-16. [PMID: 28416541 DOI: 10.1128/aac.02637-16] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2016] [Accepted: 03/31/2017] [Indexed: 11/20/2022] Open
Abstract
New and improved treatments for tuberculosis (TB) are urgently needed. Recently, it has been demonstrated that verapamil, an efflux inhibitor, can reduce bacterial drug tolerance caused by efflux pump activity when administered in combination with available antituberculosis agents. The aim of this study was to evaluate the effectiveness of verapamil in combination with the antituberculosis drug candidate Q203, which has recently been developed and is currently under clinical trials as a potential antituberculosis agent. We evaluated changes in Q203 activity in the presence and absence of verapamil in vitro using the resazurin microplate assay and ex vivo using a microscopy-based phenotypic assay for the quantification of intracellular replicating mycobacteria. Verapamil increased the potency of Q203 against Mycobacterium tuberculosis both in vitro and ex vivo, indicating that efflux pumps are associated with the activity of Q203. Other efflux pump inhibitors also displayed an increase in Q203 potency, strengthening this hypothesis. Therefore, the combination of verapamil and Q203 may be a promising combinatorial strategy for anti-TB treatment to accelerate the elimination of M. tuberculosis.
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23
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Looking to nature for a new concept in antimicrobial treatments: isoflavonoids from Cytisus striatus as antibiotic adjuvants against MRSA. Sci Rep 2017. [PMID: 28630440 PMCID: PMC5476642 DOI: 10.1038/s41598-017-03716-7] [Citation(s) in RCA: 47] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
The spread of multidrug-resistant Staphylococcus aureus strains, including methicillin-resistant S. aureus (MRSA), has shortened the useful life of anti-staphylococcal drugs enormously. Two approaches can be followed to address this problem: screening various sources for new leads for antibiotics or finding ways to disable the resistance mechanisms to existing antibiotics. Plants are resistant to most microorganisms, but despite extensive efforts to identify metabolites that are responsible for this resistance, no substantial progress has been made. Plants possibly use multiple strategies to deal with microorganisms that evolved over time. For this reason, we searched for plants that could potentiate the effects of known antibiotics. From 29 plant species tested, Cytisus striatus clearly showed such an activity and an NMR-based metabolomics study allowed the identification of compounds from the plant extracts that could act as antibiotic adjuvants. Isoflavonoids were found to potentiate the effect of ciprofloxacin and erythromycin against MRSA strains. For the structure-activity relationship (SAR), 22 isoflavonoids were assessed as antibiotic adjuvants. This study reveals a clear synergy between isoflavonoids and the tested antibiotics, showing their great potential for applications in the clinical therapy of infections with antibiotic-resistant microorganisms such as MRSA.
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Rodrigues L, Parish T, Balganesh M, Ainsa JA. Antituberculosis drugs: reducing efflux = increasing activity. Drug Discov Today 2017; 22:592-599. [DOI: 10.1016/j.drudis.2017.01.002] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2016] [Revised: 12/21/2016] [Accepted: 01/05/2017] [Indexed: 11/30/2022]
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25
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Kumar M, Singh K, Naran K, Hamzabegovic F, Hoft DF, Warner DF, Ruminski P, Abate G, Chibale K. Design, Synthesis, and Evaluation of Novel Hybrid Efflux Pump Inhibitors for Use against Mycobacterium tuberculosis. ACS Infect Dis 2016; 2:714-725. [PMID: 27737555 DOI: 10.1021/acsinfecdis.6b00111] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Efflux pumps are considered a major potential contributor to the development of various forms of resistance in Mycobacterium tuberculosis leading to the emergence of multidrug-resistant tuberculosis (TB). Verapamil (VER) and tricyclic chemosensitizers such as the phenothiazines are known to possess efflux pump inhibition properties and have demonstrated significant efficacy in various TB disease models. Novel hybrid molecules based on fusion of the VER substructure with various tricyclic, as well as nontricyclic, chemosensitizer cores or their structural motifs are described. These hybrid compounds were evaluated in vitro and ex vivo individually for their intrinsic activity and in combination for their potentiating potential with the frontline anti-TB drugs, rifampin and isoniazid. In addition, efflux pump inhibition was assessed in an ethidium bromide assay. This study led to the identification of novel compounds, termed hybrid efflux pump inhibitors, with intrinsic antimycobacterial activities (MIC90 ≤ 3.17 μg/mL) and intracellular activity in macrophages at a low concentration (≤6.25 μg/mL).
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Affiliation(s)
- Malkeet Kumar
- Department of Chemistry, University of Cape Town, Rondebosch 7701, South Africa
| | - Kawaljit Singh
- Department of Chemistry, University of Cape Town, Rondebosch 7701, South Africa
| | - Krupa Naran
- MRC/NHLS/UCT Molecular
Mycobacteriology Research Unit, Department of Pathology, University of Cape Town, Rondebosch 7701, South Africa
| | - Fahreta Hamzabegovic
- Department of Internal Medicine, Division of Infectious
Diseases, Allergy and Immunology, Saint Louis University, 1100
South Grand Boulevard, St. Louis, Missouri 63104, United States
| | - Daniel F. Hoft
- Department of Internal Medicine, Division of Infectious
Diseases, Allergy and Immunology, Saint Louis University, 1100
South Grand Boulevard, St. Louis, Missouri 63104, United States
- Department of Molecular Biology, Saint Louis University, 1100 South Grand Boulevard, St. Louis, Missouri 63104, United States
| | - Digby F. Warner
- MRC/NHLS/UCT Molecular
Mycobacteriology Research Unit, Department of Pathology, University of Cape Town, Rondebosch 7701, South Africa
- Institute of Infectious Disease and Molecular
Medicine, University of Cape Town, Rondebosch 7701, South Africa
| | - Peter Ruminski
- Centre for World Health and Medicine, Saint Louis University, 1100 South Grand Boulevard, St. Louis, Missouri 63104, United States
| | - Getahun Abate
- Department of Internal Medicine, Division of Infectious
Diseases, Allergy and Immunology, Saint Louis University, 1100
South Grand Boulevard, St. Louis, Missouri 63104, United States
| | - Kelly Chibale
- Department of Chemistry, University of Cape Town, Rondebosch 7701, South Africa
- Institute of Infectious Disease and Molecular
Medicine, University of Cape Town, Rondebosch 7701, South Africa
- South African Medical Research Council
Drug Discovery and Development Research Unit, Department of Chemistry, University of Cape Town, Rondebosch 7701, South Africa
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Abreu AC, Saavedra MJ, Simões LC, Simões M. Combinatorial approaches with selected phytochemicals to increase antibiotic efficacy against Staphylococcus aureus biofilms. BIOFOULING 2016; 32:1103-14. [PMID: 27643487 DOI: 10.1080/08927014.2016.1232402] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/10/2023]
Abstract
Combinations of selected phytochemicals (reserpine, pyrrolidine, quinine, morin and quercetin) with antibiotics (ciprofloxacin, tetracycline and erythromycin) were tested on the prevention and control of Staphylococcus aureus biofilms. The phytochemicals were also studied for their ability to avoid antibiotic adaptation and to inhibit antibiotic efflux pumps. Morin, pyrrolidine and quercetin at subinhibitory concentrations had significant effects in biofilm prevention and/or control when applied alone and combined with antibiotics. Synergism between antibiotics and phytochemicals was found especially against biofilms of NorA overexpressing strain S. aureus SA1199B. This strain when growing with subinhibitory concentrations of ciprofloxacin developed increased tolerance to this antibiotic. However, this was successfully reversed by quinine and morin. In addition, reserpine and quercetin showed significant efflux pump inhibition. The overall results demonstrate the role of phytochemicals in co-therapies to promote more efficient treatments and decrease antimicrobial resistance to antibiotics, with substantial effects against S. aureus in both planktonic and biofilm states.
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Affiliation(s)
- Ana Cristina Abreu
- a LEPABE, Department of Chemical Engineering, Faculty of Engineering , University of Porto , Porto , Portugal
| | - Maria José Saavedra
- b CECAV, Veterinary and Animal Science Research Center, Quality and Food Safety of Animal Products Group , University of Trás-os-Montes and Alto Douro , Vila Real , Portugal
| | - Lúcia C Simões
- a LEPABE, Department of Chemical Engineering, Faculty of Engineering , University of Porto , Porto , Portugal
- c CEB - Centre of Biological Engineering , University of Minho , Braga , Portugal
| | - Manuel Simões
- a LEPABE, Department of Chemical Engineering, Faculty of Engineering , University of Porto , Porto , Portugal
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27
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Song L, Wu X. Development of efflux pump inhibitors in antituberculosis therapy. Int J Antimicrob Agents 2016; 47:421-9. [DOI: 10.1016/j.ijantimicag.2016.04.007] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2016] [Revised: 03/25/2016] [Accepted: 04/02/2016] [Indexed: 12/18/2022]
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28
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Pule CM, Sampson SL, Warren RM, Black PA, van Helden PD, Victor TC, Louw GE. Efflux pump inhibitors: targeting mycobacterial efflux systems to enhance TB therapy. J Antimicrob Chemother 2015; 71:17-26. [DOI: 10.1093/jac/dkv316] [Citation(s) in RCA: 93] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023] Open
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Chitemerere TA, Mukanganyama S. Evaluation of cell membrane integrity as a potential antimicrobial target for plant products. Altern Ther Health Med 2014; 14:278. [PMID: 25078023 PMCID: PMC4124163 DOI: 10.1186/1472-6882-14-278] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2014] [Accepted: 07/18/2014] [Indexed: 11/20/2022]
Abstract
Background There is urgent need to discover new antimicrobial compounds with diverse chemical structures and mechanisms of action due to increasing new and re-emerging infectious diseases. Additionally, appearance of undesirable side effects of certain antibiotics and increasing resistance to antibiotics in current clinical use is also a cause for concern. Bacterial cell membranes are a possible target for developing new antibacterial drugs since membrane-based efflux pump systems play an important role in bacterial pathogenicity and antimicrobial resistance in bacteria. Hence, the objective of our study was to evaluate bacterial membrane integrity of two species of bacteria; Staphylococcus aureus and Pseudomonas aeruginosa, in the presence of ethanolic leaf extracts of two plant species Callistemon citrinus and Vernonia adoensis from Zimbabwe. Methods Bacterial efflux pump inhibition using both leaf extracts was determined by monitoring the transport of Rhodamine 6 G (R6G) across the cell membrane and IC50 values were obtained. Membrane permeabilizing properties of both extracts were also evaluated using the membrane potential sensitive dye 3’3 dipropylthiadicarbocyanine (diSC3-5). Haemolysis effect of both extracts on sheep erythrocytes was also investigated. Results Both extracts inhibited bacterial efflux pumps which resulted in the accumulation of R6G inside the cell. The IC50 values for C. citrinus and V.adoensis against S. aureus were 1.44 mg/ml and 1.61 mg/ml, respectively. Both leaf extracts however, showed similar IC50 values of 1.64 mg/ml against P. aeruginosa. Both plant extracts showed some significant effects on permeability of the bacterial membrane when a 24-28% increase of diSC3-5 dye release was observed for S. aureus and 45–53% of dye was released from P. aeruginosa cell membrane after a 60 minute incubation period. In addition, both extracts exhibited haemolytic effects on sheep erythrocytes at concentrations greater than 2.5 mg/ml. Conclusions These plant extracts may provide new lead compounds for developing potential efflux pump inhibitors (EPIs) or permeabilising agents that could aid the transport of antibacterial agents into bacterial cells.
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Virtualizing the p-ANAPL library: a step towards drug discovery from African medicinal plants. PLoS One 2014; 9:e90655. [PMID: 24599120 PMCID: PMC3944075 DOI: 10.1371/journal.pone.0090655] [Citation(s) in RCA: 42] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2013] [Accepted: 02/03/2014] [Indexed: 11/18/2022] Open
Abstract
Background Natural products play a key role in drug discovery programs, both serving as drugs and as templates for the synthesis of drugs, even though the quantities and availabilities of samples for screening are often limitted. Experimental approach A current collection of physical samples of > 500 compound derived from African medicinal plants aimed at screening for drug discovery has been made by donations from several researchers from across the continent to be directly available for drug discovery programs. A virtual library of 3D structures of compounds has been generated and Lipinski’s “Rule of Five” has been used to evaluate likely oral availability of the samples. Results A majority of the compound samples are made of flavonoids and about two thirds (2/3) are compliant to the “Rule of Five”. The pharmacological profiles of thirty six (36) selected compounds in the collection have been discussed. Conclusions and implications The p-ANAPL library is the largest physical collection of natural products derived from African medicinal plants directly available for screening purposes. The virtual library is also available and could be employed in virtual screening campaigns.
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Modulation of Bacterial Multidrug Resistance Efflux Pumps of the Major Facilitator Superfamily. INTERNATIONAL JOURNAL OF BACTERIOLOGY 2013; 2013. [PMID: 25750934 PMCID: PMC4347946 DOI: 10.1155/2013/204141] [Citation(s) in RCA: 94] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Bacterial infections pose a serious public health concern, especially when an infectious disease has a multidrug resistant causative agent. Such multidrug resistant bacteria can compromise the clinical utility of major chemotherapeutic antimicrobial agents. Drug and multidrug resistant bacteria harbor several distinct molecular mechanisms for resistance. Bacterial antimicrobial agent efflux pumps represent a major mechanism of clinical resistance. The major facilitator superfamily (MFS) is one of the largest groups of solute transporters to date and includes a significant number of bacterial drug and multidrug efflux pumps. We review recent work on the modulation of multidrug efflux pumps, paying special attention to those transporters belonging primarily to the MFS.
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Abreu AC, McBain AJ, Simões M. Plants as sources of new antimicrobials and resistance-modifying agents. Nat Prod Rep 2012; 29:1007-21. [DOI: 10.1039/c2np20035j] [Citation(s) in RCA: 288] [Impact Index Per Article: 24.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
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