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Indolfi C, Mignini C, Valitutti F, Bizzarri I, Dinardo G, Klain A, Miraglia del Giudice M, Di Cara G. Effects of Nasal Solution Incorporating Resveratrol and Carboxymethyl-Β-Glucan in Preschool Non-Atopic Children with Wheezing. Nutrients 2024; 16:2197. [PMID: 39064639 PMCID: PMC11280398 DOI: 10.3390/nu16142197] [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: 06/15/2024] [Revised: 07/03/2024] [Accepted: 07/04/2024] [Indexed: 07/28/2024] Open
Abstract
Upper respiratory tract infections (URTI) account for more than 80% of wheezing episodes in children with a high incidence of hospitalization in preschool age. Most children with symptoms of wheezing during an URTI are usually non-atopic. As the majority of wheezing episodes resulting from URTI are attributed to viral triggers, several studies have suggested the potential anti-inflammatory and antiviral properties of resveratrol. This study aims to identify the effect of resveratrol for pediatric non-atopic patients with recurrent wheezing triggered by URTIs. We conducted a prospective single-blind study to assess the effectiveness of a short course of nasal solutions incorporating resveratrol and carboxymethyl-β-glucan, administered for 7 days at the onset of URTIs, compared to standard nasal lavage with 0.9% saline solution. A total of 19 patients entered the active group, 20 patients were assigned to the placebo group. The comparison of overall wheezing days (p < 0.001), mean wheezing days per month (p < 0.01), and wheezing episodes per patient (p < 0.001) in the two groups showed a significant reduction in the group receiving resveratrol compared with the placebo group, with less hospital access (p < 0.001) and oral corticosteroid administration (p < 0.01). Our findings seem to suggest that, in non-atopic children with recurrent wheezing secondary to URTIs, nasal resveratrol could be effective to prevent or reduce the occurrence of wheezing, when started from the onset of upper airway symptoms.
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Affiliation(s)
- Cristiana Indolfi
- Department of Woman, Child and of General and Specialized Surgery, University of Campania Luigi Vanvitelli, 80138 Naples, Italy; (C.I.); (M.M.d.G.)
| | - Costanza Mignini
- Department of Pediatrics, University of Perugia, Giorgio Menghini Square, 06129 Perugia, Italy; (C.M.); (F.V.); (I.B.); (G.D.C.)
| | - Francesco Valitutti
- Department of Pediatrics, University of Perugia, Giorgio Menghini Square, 06129 Perugia, Italy; (C.M.); (F.V.); (I.B.); (G.D.C.)
| | - Ilaria Bizzarri
- Department of Pediatrics, University of Perugia, Giorgio Menghini Square, 06129 Perugia, Italy; (C.M.); (F.V.); (I.B.); (G.D.C.)
| | - Giulio Dinardo
- Department of Woman, Child and of General and Specialized Surgery, University of Campania Luigi Vanvitelli, 80138 Naples, Italy; (C.I.); (M.M.d.G.)
| | - Angela Klain
- Department of Woman, Child and of General and Specialized Surgery, University of Campania Luigi Vanvitelli, 80138 Naples, Italy; (C.I.); (M.M.d.G.)
| | - Michele Miraglia del Giudice
- Department of Woman, Child and of General and Specialized Surgery, University of Campania Luigi Vanvitelli, 80138 Naples, Italy; (C.I.); (M.M.d.G.)
| | - Giuseppe Di Cara
- Department of Pediatrics, University of Perugia, Giorgio Menghini Square, 06129 Perugia, Italy; (C.M.); (F.V.); (I.B.); (G.D.C.)
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Fan Z, Li Z, Fu T, Feng Y, Chen Y, Liu H, Du B, Cui X, Zhao H, Xue G, Cui J, Yan C, Gan L, Feng J, Xu Z, Yu Z, Yuan J. Inhibition of the ATP synthase increases sensitivity of Escherichia coli carrying mcr-1 to polymyxin B. J Antibiot (Tokyo) 2024:10.1038/s41429-024-00753-z. [PMID: 38914795 DOI: 10.1038/s41429-024-00753-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2024] [Revised: 04/27/2024] [Accepted: 05/29/2024] [Indexed: 06/26/2024]
Abstract
Bacterial infections caused by multidrug-resistant (MDR) gram-negative strains carrying the mobile colistin resistance gene mcr-1 are serious threats to world public health due to the lack of effective treatments. Inhibition of the ATP synthase makes bacteria such as Staphylococcus aureus and Klebsiella pneumoniae more sensitive to polymyxin. This provides new strategies for treating infections caused by polymyxins-resistant bacteria carrying mcr-1. Six mcr-1-positive strains were isolated from clinical samples, and all were identified as Escherichia coli. Here we investigated several ATP synthase inhibitors, N,N'-dicyclohexylcarbodiimide (DCCD), resveratrol, and piceatannol, for their antibacterial effects against the mcr-1-positive strains combined with polymyxin B (POL). Checkerboard assay, time-kill assay, biofilm inhibition and eradication assay indicated the significant synergistic effect of ATP synthase inhibitors/POL combination in vitro. Meanwhile, mouse infection model experiment was also performed, showing a 5 log10 reduction of the pathogen after treatment with the resveratrol/POL combination. Moreover, adding adenosine disodium triphosphate (Na2ATP) could inhibit the antibacterial effect of the ATP synthase inhibitors/POL combination. In conclusion, our study confirmed that inhibition of ATP production could increase the susceptibility of bacteria carrying mcr-1 to polymyxins. This provides a new strategy against polymyxins-resistant bacteria infection.
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Affiliation(s)
- Zheng Fan
- Department of Bacteriology, Capital Institute of Pediatrics, Beijing, 100020, China
| | - Zhoufei Li
- Department of Bacteriology, Capital Institute of Pediatrics, Beijing, 100020, China
- Graduate School of Peking Union Medical College, Beijing, China
| | - Tongtong Fu
- Department of Bacteriology, Capital Institute of Pediatrics, Beijing, 100020, China
| | - Yanling Feng
- Department of Bacteriology, Capital Institute of Pediatrics, Beijing, 100020, China
| | - Yuchen Chen
- Department of Bacteriology, Capital Institute of Pediatrics, Beijing, 100020, China
| | - Hongbo Liu
- Department of Bacteriology, Capital Institute of Pediatrics, Beijing, 100020, China
| | - Bing Du
- University of Edinburgh, Edinburgh, UK
| | - Xiaohu Cui
- Department of Bacteriology, Capital Institute of Pediatrics, Beijing, 100020, China
| | - Hanqing Zhao
- Department of Bacteriology, Capital Institute of Pediatrics, Beijing, 100020, China
| | - Guanhua Xue
- Department of Bacteriology, Capital Institute of Pediatrics, Beijing, 100020, China
| | - Jinghua Cui
- Department of Bacteriology, Capital Institute of Pediatrics, Beijing, 100020, China
| | - Chao Yan
- Department of Bacteriology, Capital Institute of Pediatrics, Beijing, 100020, China
| | - Lin Gan
- Department of Bacteriology, Capital Institute of Pediatrics, Beijing, 100020, China
| | - Junxia Feng
- Department of Bacteriology, Capital Institute of Pediatrics, Beijing, 100020, China
| | - Ziying Xu
- Department of Bacteriology, Capital Institute of Pediatrics, Beijing, 100020, China
| | - Zihui Yu
- Department of Bacteriology, Capital Institute of Pediatrics, Beijing, 100020, China
| | - Jing Yuan
- Department of Bacteriology, Capital Institute of Pediatrics, Beijing, 100020, China.
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Liu JH, Liu YY, Shen YB, Yang J, Walsh TR, Wang Y, Shen J. Plasmid-mediated colistin-resistance genes: mcr. Trends Microbiol 2024; 32:365-378. [PMID: 38008597 DOI: 10.1016/j.tim.2023.10.006] [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: 08/20/2023] [Revised: 10/14/2023] [Accepted: 10/16/2023] [Indexed: 11/28/2023]
Abstract
Colistin is regarded as a last-line drug against serious infections caused by multidrug-resistant Gram-negative bacterial pathogens. Therefore, the emergence of mobile colistin resistance (mcr) genes has attracted global concern and led to policy changes for the use of colistin in food animals across many countries. Currently, the distribution, function, mechanism of action, transmission vehicles, origin of mcr, and new treatment strategies against MCR-producing pathogens have been extensively studied. Here we review the prevalence, structure and function of mcr, the fitness cost and persistence of mcr-carrying plasmids, the impact of MCR on host immune response, as well as the control strategies to combat mcr-mediated colistin resistance.
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Affiliation(s)
- Jian-Hua Liu
- State Key Laboratory for Animal Disease Control and Prevention, Guangdong Laboratory for Lingnan Modern Agriculture, College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, China; Key Laboratory of Zoonosis of Ministry of Agricultural and Rural Affairs, Guangdong Provincial Key Laboratory of Veterinary Pharmaceutics Development and Safety Evaluation, Guangzhou 510642, China.
| | - Yi-Yun Liu
- State Key Laboratory for Animal Disease Control and Prevention, Guangdong Laboratory for Lingnan Modern Agriculture, College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, China; Key Laboratory of Zoonosis of Ministry of Agricultural and Rural Affairs, Guangdong Provincial Key Laboratory of Veterinary Pharmaceutics Development and Safety Evaluation, Guangzhou 510642, China
| | - Ying-Bo Shen
- National Key Laboratory of Veterinary Public Health Safety, College of Veterinary Medicine, China Agricultural University, Beijing 100193, China
| | - Jun Yang
- State Key Laboratory for Animal Disease Control and Prevention, Guangdong Laboratory for Lingnan Modern Agriculture, College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, China; Key Laboratory of Zoonosis of Ministry of Agricultural and Rural Affairs, Guangdong Provincial Key Laboratory of Veterinary Pharmaceutics Development and Safety Evaluation, Guangzhou 510642, China
| | | | - Yang Wang
- National Key Laboratory of Veterinary Public Health Safety, College of Veterinary Medicine, China Agricultural University, Beijing 100193, China.
| | - Jianzhong Shen
- National Key Laboratory of Veterinary Public Health Safety, College of Veterinary Medicine, China Agricultural University, Beijing 100193, China.
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Saifi S, Ashraf A, Hasan GM, Shamsi A, Hassan MI. Insights into the preventive actions of natural compounds against Klebsiella pneumoniae infections and drug resistance. Fitoterapia 2024; 173:105811. [PMID: 38168570 DOI: 10.1016/j.fitote.2023.105811] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2023] [Revised: 12/27/2023] [Accepted: 12/29/2023] [Indexed: 01/05/2024]
Abstract
Klebsiella pneumoniae is a type of Gram-negative bacteria that causes a variety of infections, including pneumonia, bloodstream infections, wound infections, and meningitis. The treatment of K. pneumoniae infection depends on the type of infection and the severity of the symptoms. Antibiotics are generally used to treat K. pneumoniae infections. However, some strains of K. pneumoniae have become resistant to antibiotics. This comprehensive review examines the potential of natural compounds as effective strategies against K. pneumonia infections. The alarming rise in antibiotic resistance underscores the urgent need for alternative therapies. This article represents current research on the effects of diverse natural compounds, highlighting their anti-microbial and antibiofilm properties against K. pneumonia. Notably, compounds such as andrographolide, artemisinin, baicalin, berberine, curcumin, epigallocatechin gallate, eugenol, mangiferin, piperine, quercetin, resveratrol, and thymol have been extensively investigated. These compounds exhibit multifaceted mechanisms, including disruption of bacterial biofilms, interference with virulence factors, and augmentation of antibiotic effectiveness. Mechanistic insights into their actions include membrane perturbation, oxidative stress induction, and altered gene expression. While promising, challenges such as limited bioavailability and varied efficacy across bacterial strains are addressed. This review further discusses the potential of natural compounds as better alternatives in combating K. pneumonia infection and emphasizes the need for continued research to harness their full therapeutic potential. As antibiotic resistance persists, these natural compounds offer a promising avenue in the fight against K. pneumonia and other multidrug-resistant pathogens.
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Affiliation(s)
- Sana Saifi
- Department of Biochemistry, School of Chemical and Life Sciences, Jamia Hamdard, New Delhi 110062, India
| | - Anam Ashraf
- Centre for Interdisciplinary Research in Basic Sciences, Jamia Millia Islamia, New Delhi 110025, India
| | - Gulam Mustafa Hasan
- Department of Biochemistry, College of Medicine, Prince Sattam Bin Abdulaziz University, P.O. Box 173, Al-Kharj 11942, Saudi Arabia
| | - Anas Shamsi
- Center for Medical and Bio-Allied Health Sciences Research, Ajman University, United Arab Emirates
| | - Md Imtaiyaz Hassan
- Centre for Interdisciplinary Research in Basic Sciences, Jamia Millia Islamia, New Delhi 110025, India.
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Khaliullina A, Kolesnikova A, Khairullina L, Morgatskaya O, Shakirova D, Patov S, Nekrasova P, Bogachev M, Kurkin V, Trizna E, Kayumov A. The Antimicrobial Potential of the Hop ( Humulus lupulus L.) Extract against Staphylococcus aureus and Oral Streptococci. Pharmaceuticals (Basel) 2024; 17:162. [PMID: 38399377 PMCID: PMC10893079 DOI: 10.3390/ph17020162] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2023] [Revised: 01/18/2024] [Accepted: 01/25/2024] [Indexed: 02/25/2024] Open
Abstract
Plant extracts are in the focus of the pharmaceutical industry as potential antimicrobials for oral care due to their high antimicrobial activity coupled with low production costs and safety for eukaryotic cells. Here, we show that the extract from Hop (Humulus lupulus L.) exhibits antimicrobial activity against Staphylococcus aureus and Streptococci in both planktonic and biofilm-embedded forms. An extract was prepared by acetone extraction from hop infructescences, followed by purification and solubilization of the remaining fraction in ethanol. The effect of the extract on S. aureus (MSSA and MRSA) was comparable with the reference antibiotics (amikacin, ciprofloxacin, and ceftriaxone) and did not depend on the bacterial resistance to methicillin. The extract also demonstrated synergy with amikacin on six S. aureus clinical isolates, on four of six isolates with ciprofloxacin, and on three of six isolates with ceftriaxone. On various Streptococci, while demonstrating lower antimicrobial activity, an extract exhibited a considerable synergistic effect in combination with two of three of these antibiotics, decreasing their MIC up to 512-fold. Moreover, the extract was able to penetrate S. aureus and S. mutans biofilms, leading to almost complete bacterial death within them. The thin-layer chromatography and LC-MS of the extract revealed the presence of prenylated flavonoids (2',4',6',4-tetrahydroxy-3'-geranylchalcone) and acylphloroglucides (cohumulone, colupulone, humulone, and lupulone), apparently responsible for the observed antimicrobial activity and ability to increase the efficiency of antibiotics. Taken together, these data suggest an extract from H. lupulus as a promising antimicrobial agent for use both as a solely antiseptic and to potentiate conventional antimicrobials.
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Affiliation(s)
- Alyona Khaliullina
- Institute of Fundamental Medicine and Biology, Kazan Federal University, 420008 Kazan, Russia; (A.K.); (A.K.); (L.K.); (O.M.); (D.S.); (E.T.)
| | - Alyona Kolesnikova
- Institute of Fundamental Medicine and Biology, Kazan Federal University, 420008 Kazan, Russia; (A.K.); (A.K.); (L.K.); (O.M.); (D.S.); (E.T.)
| | - Leysan Khairullina
- Institute of Fundamental Medicine and Biology, Kazan Federal University, 420008 Kazan, Russia; (A.K.); (A.K.); (L.K.); (O.M.); (D.S.); (E.T.)
| | - Olga Morgatskaya
- Institute of Fundamental Medicine and Biology, Kazan Federal University, 420008 Kazan, Russia; (A.K.); (A.K.); (L.K.); (O.M.); (D.S.); (E.T.)
| | - Dilyara Shakirova
- Institute of Fundamental Medicine and Biology, Kazan Federal University, 420008 Kazan, Russia; (A.K.); (A.K.); (L.K.); (O.M.); (D.S.); (E.T.)
| | - Sergey Patov
- Institute of Chemistry, FRC “Komi Scientific Centre”, Ural Branch of the Russian Academy of Sciences, 167000 Syktyvkar, Russia; (S.P.); (P.N.)
| | - Polina Nekrasova
- Institute of Chemistry, FRC “Komi Scientific Centre”, Ural Branch of the Russian Academy of Sciences, 167000 Syktyvkar, Russia; (S.P.); (P.N.)
| | - Mikhail Bogachev
- Biomedical Engineering Research Centre, St. Petersburg Electrotechnical University, 5 Professor Popov Street, 197022 St. Petersburg, Russia;
| | - Vladimir Kurkin
- Institute of Pharmacy, Samara State Medical University, 443079 Samara, Russia;
| | - Elena Trizna
- Institute of Fundamental Medicine and Biology, Kazan Federal University, 420008 Kazan, Russia; (A.K.); (A.K.); (L.K.); (O.M.); (D.S.); (E.T.)
| | - Airat Kayumov
- Institute of Fundamental Medicine and Biology, Kazan Federal University, 420008 Kazan, Russia; (A.K.); (A.K.); (L.K.); (O.M.); (D.S.); (E.T.)
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Arias A, Costa CE, Moreira MT, Feijoo G, Domingues L. Resveratrol-based biorefinery models for favoring its inclusion along the market value-added chains: A critical review. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 908:168199. [PMID: 37914108 DOI: 10.1016/j.scitotenv.2023.168199] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/10/2023] [Revised: 10/25/2023] [Accepted: 10/27/2023] [Indexed: 11/03/2023]
Abstract
Resveratrol, a natural organic polyhydroxyphenolic compound, has gained significant attention in the last years given its potential health benefits, including antioxidant, anti-cancer, and anti-inflammatory properties. It can be directly extracted from plants, vegetables, and related products and waste resources, but also chemically/enzymatically/microbially synthesized. However, certain process strategies have some limitations, such as high costs, reduced yield or high energy demand, thus implying significant environmental loads. In this context, the search for more sustainable and circular process schemes is key to the integration of resveratrol into the market value chain of the food, cosmetic and pharmaceutical sectors. The extraction of resveratrol has traditionally been based on conventional methods such as solvent extraction, but advanced green extraction techniques offer more efficient and environmentally friendly alternatives. This review analyses both conventional and green alternative extraction technologies, as well as its bioproduction through microbial fermentation, in terms of production capacity, yield, purity and sustainability. It also presents alternative biorefinery models based on resveratrol bioproduction using by-products and waste streams as resources, specifically considering wine residues, peanut shells and wood bark as input resources, and also following a circular approach. This critical review provides some insight into the opportunities that resveratrol offers for promoting sustainable development and circularity in the related market value chains, and thus provides some criteria for decision making for biorefinery models in which resveratrol is one of the targeted high value-added products. It also identifies the future challenges to promote the inclusion of resveratrol in value chains, with the scale-up of green technologies and its demonstrated economic feasibility being the most prominent.
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Affiliation(s)
- Ana Arias
- CRETUS, Department of Chemical Engineering, School of Engineering, Universidade de Santiago de Compostela, 15782 Santiago de Compostela, Spain.
| | - Carlos E Costa
- CEB - Center of Biological Engineering, University of Minho, 4710-057 Braga, Portugal; LABBELS - Associate Laboratory, Braga, Guimarães, Portugal
| | - Maria Teresa Moreira
- CRETUS, Department of Chemical Engineering, School of Engineering, Universidade de Santiago de Compostela, 15782 Santiago de Compostela, Spain
| | - Gumersindo Feijoo
- CRETUS, Department of Chemical Engineering, School of Engineering, Universidade de Santiago de Compostela, 15782 Santiago de Compostela, Spain
| | - Lucília Domingues
- CEB - Center of Biological Engineering, University of Minho, 4710-057 Braga, Portugal; LABBELS - Associate Laboratory, Braga, Guimarães, Portugal
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Khataybeh B, Jaradat Z, Ababneh Q. Anti-bacterial, anti-biofilm and anti-quorum sensing activities of honey: A review. JOURNAL OF ETHNOPHARMACOLOGY 2023; 317:116830. [PMID: 37400003 DOI: 10.1016/j.jep.2023.116830] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/15/2023] [Revised: 05/31/2023] [Accepted: 06/20/2023] [Indexed: 07/05/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Man has used honey to treat diseases since ancient times, perhaps even before the history of medicine itself. Several civilizations have utilized natural honey as a functional and therapeutic food to ward off infections. Recently, researchers worldwide have been focusing on the antibacterial effects of natural honey against antibiotic-resistant bacteria. AIM OF THE STUDY This review aims to summarize research on the use of honey properties and constituents with their anti-bacterial, anti-biofilm, and anti-quorum sensing mechanisms of action. Further, honey's bacterial products, including probiotic organisms and antibacterial agents which are produced to curb the growth of other competitor microorganisms is addressed. MATERIALS AND METHODS In this review, we have provided a comprehensive overview of the antibacterial, anti-biofilm, and anti-quorum sensing activities of honey and their mechanisms of action. Furthermore, the review addressed the effects of antibacterial agents of honey from bacterial origin. Relevant information on the antibacterial activity of honey was obtained from scientific online databases such as Web of Science, Google Scholar, ScienceDirect, and PubMed. RESULTS Honey's antibacterial, anti-biofilm, and anti-quorum sensing activities are mostly attributed to four key components: hydrogen peroxide, methylglyoxal, bee defensin-1, and phenolic compounds. The performance of bacteria can be altered by honey components, which impact their cell cycle and cell morphology. To the best of our knowledge, this is the first review that specifically summarizes every phenolic compound identified in honey along with their potential antibacterial mechanisms of action. Furthermore, certain strains of beneficial lactic acid bacteria such as Bifidobacterium, Fructobacillus, and Lactobacillaceae, as well as Bacillus species can survive and even grow in honey, making it a potential delivery system for these agents. CONCLUSION Honey could be regarded as one of the best complementary and alternative medicines. The data presented in this review will enhance our knowledge of some of honey's therapeutic properties as well as its antibacterial activities.
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Affiliation(s)
- Batool Khataybeh
- Department of Nutrition and Food Technology, Jordan University of Science and Technology, Irbid, 22110, Jordan
| | - Ziad Jaradat
- Department of Biotechnology and Genetic Engineering, Jordan University of Science and Technology, Irbid, 22110, Jordan.
| | - Qutaiba Ababneh
- Department of Biotechnology and Genetic Engineering, Jordan University of Science and Technology, Irbid, 22110, Jordan
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Chen S, Zhou P, Wu C, Wang J, Zhou Y, Zhang J, Wang B, Zhao H, Rao L, Li M, Yu F, Lin C. Polymyxin B and fusidic acid, a novel potent synergistic combination against Klebsiella pneumoniae and Escherichia coli isolates with polymyxin B resistance. Front Microbiol 2023; 14:1220683. [PMID: 37886061 PMCID: PMC10598591 DOI: 10.3389/fmicb.2023.1220683] [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: 05/11/2023] [Accepted: 09/26/2023] [Indexed: 10/28/2023] Open
Abstract
The increasing prevalence of multidrug-resistant (MDR) Gram-negative bacteria and comparatively limited options of antibiotics pose a major threat to public health worldwide. Polymyxin B is the last resort against extensively resistant Gram-negative bacterial infections. However, a large number of Gram-negative bacteria exhibited high-level resistance to Polymyxin B, bringing challenges for antimicrobial chemotherapy. Combination therapies using polymyxins and other antibiotics are recommended to treat multidrug-resistant pathogens. In this study, we selected Gram-negative bacterial strains, including Klebsiella pneumoniae and Escherichia coli, to explore whether fusidic acid and polymyxin B have a synergistic killing effect. Through broth microdilution, we observed that minimum inhibitory concentrations (MICs) against polymyxin B in the isolates tested were significantly reduced by the addition of fusidic acid. Notably, chequerboard analysis indicated a synergistic effect between polymyxin B and fusidic acid. In addition, subsequent time-kill experiments showed that the combination of polymyxin B and fusidic acid was more effective than a single drug in killing bacteria. Finally, our investigation utilizing the murine model revealed a higher survival rate in the combination therapy group compared to the monotherapy group. Our research findings provide evidence of the synergistic effect between polymyxin B and fusidic acid. Fusidic acid was shown to increase the sensitivity of multi-drug resistant E. coli and K. pneumoniae to polymyxin B, thereby enhancing its bactericidal activity. This study provides new insights into a potential strategy for overcoming polymyxin B resistance, however, further investigations are required to evaluate their feasibility in real clinical settings.
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Affiliation(s)
- Shuying Chen
- Department of Clinical Laboratory, Key Laboratory of Clinical Laboratory Diagnosis and Translational Research of Zhejiang Province, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Peiyao Zhou
- Department of Clinical Laboratory, Key Laboratory of Clinical Laboratory Diagnosis and Translational Research of Zhejiang Province, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Chunyang Wu
- Department of Respiratory Medicine, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Jie Wang
- Affiliated Hangzhou First People’s Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
| | - Ying Zhou
- Department of Clinical Laboratory Medicine, Shanghai Pulmonary Hospital, Tongji University School of Medicine, Shanghai, China
| | - Jiao Zhang
- Department of Clinical Laboratory, Key Laboratory of Clinical Laboratory Diagnosis and Translational Research of Zhejiang Province, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Bingjie Wang
- Department of Clinical Laboratory Medicine, Shanghai Pulmonary Hospital, Tongji University School of Medicine, Shanghai, China
| | - Huilin Zhao
- Department of Clinical Laboratory Medicine, Shanghai Pulmonary Hospital, Tongji University School of Medicine, Shanghai, China
| | - Lulin Rao
- Department of Clinical Laboratory, Key Laboratory of Clinical Laboratory Diagnosis and Translational Research of Zhejiang Province, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Meilan Li
- Department of Respiratory Medicine, Shanghai Pulmonary Hospital, Tongji University School of Medicine, Shanghai, China
| | - Fangyou Yu
- Department of Clinical Laboratory, Key Laboratory of Clinical Laboratory Diagnosis and Translational Research of Zhejiang Province, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China
- Department of Clinical Laboratory Medicine, Shanghai Pulmonary Hospital, Tongji University School of Medicine, Shanghai, China
| | - Chunchan Lin
- Department of Clinical Laboratory, Key Laboratory of Clinical Laboratory Diagnosis and Translational Research of Zhejiang Province, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China
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Jia Y, Liu J, Yang Q, Zhang W, Efferth T, Liu S, Hua X. Cajanin stilbene acid: A direct inhibitor of colistin resistance protein MCR-1 that restores the efficacy of polymyxin B against resistant Gram-negative bacteria. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2023; 114:154803. [PMID: 37058946 DOI: 10.1016/j.phymed.2023.154803] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/02/2023] [Revised: 03/29/2023] [Accepted: 04/01/2023] [Indexed: 06/19/2023]
Abstract
BACKGROUND The resistance of Gram-negative bacteria to polymyxin B, caused by the plasmid-mediated colistin resistance gene mcr-1, which encodes a phosphoethanolamine transferase (MCR-1), is a serious threat to global public health. Therefore, it is urgent to find new drugs that can effectively alleviate polymyxin B resistance. Through the screening of 78 natural compounds, we found that cajanin stilbene acid (CSA) can significantly restore the susceptibility of polymyxin B to mcr-1 positive Escherichia coli (E. coli). PURPOSE In this study, we tried to evaluate the ability of CSA to restore the susceptibility of polymyxin B towards the E. coli, and explore the mechanism of sensitivity recovery. STUDY DESIGN AND METHODS Checkerboard MICs, time-killing curves, scanning electron microscope, lethal and semi-lethal models of infection in mice were used to assess the ability of CSA to restore the susceptibility of polymyxyn to E. coli. The interaction between CSA and MCR-1 was evaluated using surface plasmon resonance (SPR), and molecular docking experiments. RESULTS Here, we find that CSA, a potential direct inhibitor of MCR-1, effectively restores the sensitivity of E. coli to polymyxin B. CSA can restore the sensitivity of polymyxin B to drug-resistant E. coli, and the MIC value can be reduced to 1 μg/ml. The time killing curve and scanning electron microscopy results also showed that CSA can effectively restore polymyxin B sensitivity. In vivo experiments showed that the simultaneous use of CSA and polymyxin B can effectively reduce the infection of drug-resistant E. coli in mice. SPR and molecular docking experiments confirmed that CSA strongly bound to MCR-1. The 17-carbonyl oxygen and 12- and 18‑hydroxyl oxygens of CSA were the key sites binding to MCR-1. CONCLUSION CSA is able to significantly restore the sensitivity of polymyxin B to E. coli in vivo and in vitro. CSA inhibits the enzymatic activity of the MCR-1 protein by binding to key amino acids at the active center of the MCR-1 protein.
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Affiliation(s)
- Yue Jia
- Division of Bacterial Diseases, State Key Laboratory for Animal Disease Control and Prevention, Harbin Veterinary Research Institute, Chinese Academy of Agricultural Sciences Harbin, China
| | - Juzhao Liu
- School of Pharmaceutical Science, Zhejiang Chinese Medical University, Hangzhou, China
| | - Qin Yang
- Beijing Key Laboratory of Detection Technology for Animal-Derived Food Safety and Beijing Laboratory for Food Quality and Safety, China Agricultural University, Beijing, China
| | - Wanjiang Zhang
- Division of Bacterial Diseases, State Key Laboratory for Animal Disease Control and Prevention, Harbin Veterinary Research Institute, Chinese Academy of Agricultural Sciences Harbin, China
| | - Thomas Efferth
- Department of Pharmaceutical Biology, Institute of Pharmaceutical and Biomedical Sciences, Johannes Gutenberg University, Mainz 55128, Germany.
| | - Siguo Liu
- Division of Bacterial Diseases, State Key Laboratory for Animal Disease Control and Prevention, Harbin Veterinary Research Institute, Chinese Academy of Agricultural Sciences Harbin, China.
| | - Xin Hua
- Key Laboratory of Saline-Alkali Vegetation Ecology Restoration, Northeast Forestry University, Ministry of Education Harbin, China; College of Life Science, Northeast Forestry University Harbin, China.
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10
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Saleh A, Akkuş-Dağdeviren ZB, Haddadzadegan S, Wibel R, Bernkop-Schnürch A. Peptide Antibiotic-Polyphosphate Nanoparticles: A Promising Strategy to Overcome the Enzymatic and Mucus Barrier of the Intestine. Biomacromolecules 2023. [PMID: 37224061 DOI: 10.1021/acs.biomac.3c00083] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/26/2023]
Abstract
The aim of this study was to develop peptide antibiotic-polyphosphate nanoparticles that are able to overcome the enzymatic and mucus barriers providing a targeted drug release directly on the intestinal epithelium. Polymyxin B-polyphosphate nanoparticles (PMB-PP NPs) were formed via ionic gelation between the cationic peptide and the anionic polyphosphate (PP). The resulting NPs were characterized by particle size, polydispersity index (PDI), zeta potential, and cytotoxicity on Caco-2 cells. The protective effect of these NPs for incorporated PMB was evaluated via enzymatic degradation studies with lipase. Moreover, mucus diffusion of NPs was investigated with porcine intestinal mucus. Isolated intestinal alkaline phosphatase (IAP) was employed to trigger the degradation of NPs and consequent drug release. PMB-PP NPs exhibited an average size of 197.13 ± 14.13 nm, a PDI of 0.36, a zeta potential of -11.1 ± 3.4 mV and a concentration and time-dependent toxicity. They provided entire protection toward enzymatic degradation and exhibited significantly (p < 0.05) higher mucus permeating properties than PMB. When incubated with isolated IAP for 4 h, monophosphate and PMB were constantly released from PMB-PP NPs and zeta potential raised up to -1.9 ± 0.61 mV. According to these findings, PMB-PP NPs are promising delivery systems to protect cationic peptide antibiotics against enzymatic degradation, to overcome the mucus barrier and to provide drug release directly at the epithelium.
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Affiliation(s)
- Ahmad Saleh
- Center for Chemistry and Biomedicine, Department of Pharmaceutical Technology, Institute of Pharmacy, University of Innsbruck, Innrain 80/82, 6020 Innsbruck, Austria
- Department of Pharmacy, Universitas Mandala Waluya, A.H.Nasution, Kendari 93231, Southeast Sulawesi Republic of Indonesia
| | - Zeynep Burcu Akkuş-Dağdeviren
- Center for Chemistry and Biomedicine, Department of Pharmaceutical Technology, Institute of Pharmacy, University of Innsbruck, Innrain 80/82, 6020 Innsbruck, Austria
| | - Soheil Haddadzadegan
- Center for Chemistry and Biomedicine, Department of Pharmaceutical Technology, Institute of Pharmacy, University of Innsbruck, Innrain 80/82, 6020 Innsbruck, Austria
| | - Richard Wibel
- Center for Chemistry and Biomedicine, Department of Pharmaceutical Technology, Institute of Pharmacy, University of Innsbruck, Innrain 80/82, 6020 Innsbruck, Austria
| | - Andreas Bernkop-Schnürch
- Center for Chemistry and Biomedicine, Department of Pharmaceutical Technology, Institute of Pharmacy, University of Innsbruck, Innrain 80/82, 6020 Innsbruck, Austria
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11
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Jadimurthy R, Jagadish S, Nayak SC, Kumar S, Mohan CD, Rangappa KS. Phytochemicals as Invaluable Sources of Potent Antimicrobial Agents to Combat Antibiotic Resistance. Life (Basel) 2023; 13:life13040948. [PMID: 37109477 PMCID: PMC10145550 DOI: 10.3390/life13040948] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2023] [Revised: 03/04/2023] [Accepted: 03/29/2023] [Indexed: 04/08/2023] Open
Abstract
Plants have been used for therapeutic purposes against various human ailments for several centuries. Plant-derived natural compounds have been implemented in clinics against microbial diseases. Unfortunately, the emergence of antimicrobial resistance has significantly reduced the efficacy of existing standard antimicrobials. The World Health Organization (WHO) has declared antimicrobial resistance as one of the top 10 global public health threats facing humanity. Therefore, it is the need of the hour to discover new antimicrobial agents against drug-resistant pathogens. In the present article, we have discussed the importance of plant metabolites in the context of their medicinal applications and elaborated on their mechanism of antimicrobial action against human pathogens. The WHO has categorized some drug-resistant bacteria and fungi as critical and high priority based on the need to develope new drugs, and we have considered the plant metabolites that target these bacteria and fungi. We have also emphasized the role of phytochemicals that target deadly viruses such as COVID-19, Ebola, and dengue. Additionally, we have also elaborated on the synergetic effect of plant-derived compounds with standard antimicrobials against clinically important microbes. Overall, this article provides an overview of the importance of considering phytogenous compounds in the development of antimicrobial compounds as therapeutic agents against drug-resistant microbes.
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Affiliation(s)
- Ragi Jadimurthy
- Department of Studies in Molecular Biology, University of Mysore, Manasagangotri, Mysore 570006, India
| | - Swamy Jagadish
- Department of Studies in Molecular Biology, University of Mysore, Manasagangotri, Mysore 570006, India
| | - Siddaiah Chandra Nayak
- Department of Studies in Biotechnology, University of Mysore, Manasagangotri, Mysore 570006, India
| | - Sumana Kumar
- Department of Microbiology, Faculty of Life Sciences, JSS Academy of Higher Education and Research, Mysore 570015, India
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12
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Tong YC, Zhang YN, Li PC, Cao YL, Ding DZ, Yang Y, Lin QY, Gao YN, Sun SQ, Fan YP, Liu YQ, Qing SZ, Ma WR, Zhang WM. Detection of antibiotic-resistant canine origin Escherichia coli and the synergistic effect of magnolol in reducing the resistance of multidrug-resistant Escherichia coli. Front Vet Sci 2023; 10:1104812. [PMID: 37008355 PMCID: PMC10057116 DOI: 10.3389/fvets.2023.1104812] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2022] [Accepted: 02/21/2023] [Indexed: 03/17/2023] Open
Abstract
BackgroundThe development of antimicrobial resistance in the opportunistic pathogen Escherichia coli has become a global public health concern. Due to daily close contact, dogs kept as pets share the same E. coli with their owners. Therefore, the detection of antimicrobial resistance in canine E. coli is important, as the results could provide guidance for the future use of antibiotics. This study aimed to detect the prevalence of antibiotic-resistance of canine origin E. coli in Shaanxi province and to explore the inhibition effect of magnolol combined with cefquinome on MDR E. coli, so as to provide evidence for the use of antibiotics.MethodsCanine fecal samples were collected from animal hospitals. The E. coli isolates were separated and purified using various indicator media and polymerase chain reaction (PCR). Drug-resistance genes [aacC2, ant(3')-I, aph(3')-II, aac(6')-Ib-cr, aac(3')-IIe, blaKPC, blaIMP−4, blaOXA, blaCMY, blaTEM−1, blaSHV, blaCTX−M−1, blaCTX−M−9, Qnra, Qnrb, Qnrs, TetA, TetB, TetM, Ermb] were also detected by PCR. The minimum inhibitory concentration (MIC) was determined for 10 antibiotics using the broth-microdilution method. Synergistic activity of magnolol and cefquinome against multidrug-resistant (MDR) E. coli strains was investigated using checkerboard assays, time-kill curves, and drug-resistance curves.ResultsA total of 101 E. coli strains were isolated from 158 fecal samples collected from animal hospitals. MIC determinations showed that 75.25% (76/101) of the E. coli strains were MDR. A total of 22 drug-resistance genes were detected among the 101 strains. The blaTEM−1gene exhibited the highest detection rate (89.77%). The TetA and Sul gene also exhibited high detection rate (66.34 and 53.47%, respectively). Carbapenem-resistant E. coli strains were found in Shangluo and Yan'an. Additionally, in MDR E. coli initially resistant to cefquinome, magnolol increased the susceptibility to cefquinome, with an FICI (Fractional Inhibitory Concentration Index) between 0.125 and 0.5, indicating stable synergy. Furthermore, magnolol enhanced the killing effect of cefquinome against MDR E. coli. Resistance of MDR E. coli to cefquinome decreased markedly after treatment with magnolol for 15 generations.ConclusionOur study indicates that antibiotic-resistance E. coli has been found in domestic dogs. After treatment with magnolol extracted from the Chinese herb Houpo (Magnolia officinalis), the sensitivity of MDR E. coli to cefquinome was enhanced, indicating that magnolol reverses the resistance of MDR E. coli. The results of this study thus provide reference for the control of E. coli resistance.
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Affiliation(s)
- Yin-Chao Tong
- College of Veterinary Medicine, Northwest A&F University, Yangling, China
| | - Yi-Ning Zhang
- College of Veterinary Medicine, Northwest A&F University, Yangling, China
| | - Peng-Cheng Li
- College of Veterinary Medicine, Northwest A&F University, Yangling, China
| | - Ya-Li Cao
- College of Veterinary Medicine, Northwest A&F University, Yangling, China
| | - Dong-Zhao Ding
- College of Veterinary Medicine, Northwest A&F University, Yangling, China
| | - Yang Yang
- College of Veterinary Medicine, Northwest A&F University, Yangling, China
| | - Qing-Yi Lin
- College of Animal Science and Technology, Northwest A&F University, Yangling, China
| | - Yi-Nuo Gao
- College of Veterinary Medicine, Northwest A&F University, Yangling, China
| | - Shao-Qiang Sun
- College of Veterinary Medicine, Northwest A&F University, Yangling, China
| | - Yun-Peng Fan
- College of Veterinary Medicine, Northwest A&F University, Yangling, China
| | - Ying-Qiu Liu
- College of Veterinary Medicine, Northwest A&F University, Yangling, China
| | - Su-Zhu Qing
- College of Veterinary Medicine, Northwest A&F University, Yangling, China
| | - Wu-Ren Ma
- College of Veterinary Medicine, Northwest A&F University, Yangling, China
- Xi'an Veterinary Teaching Hospital, Northwest A&F University, Xi'an, China
- Wu-Ren Ma
| | - Wei-Min Zhang
- College of Veterinary Medicine, Northwest A&F University, Yangling, China
- *Correspondence: Wei-Min Zhang
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13
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Li Z, Wu H, Liu J, Hao H, Bi J, Hou H, Zhang G. Synergistic effects of benzyl isothiocyanate and resveratrol against Listeria monocytogenes and their application in chicken meat preservation. Food Chem 2023; 419:135984. [PMID: 37044056 DOI: 10.1016/j.foodchem.2023.135984] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2023] [Revised: 03/14/2023] [Accepted: 03/17/2023] [Indexed: 04/07/2023]
Abstract
This study aimed to investigate the synergistic effects of benzyl isothiocyanate (BITC) and resveratrol (RS) on Listeria monocytogenes and their application in chicken meat preservation. BITC combined with RS (BR) significantly enhanced the antimicrobial activity and inhibited the growth of Listeria monocytogenes within 24 h compared to individual treatment, as well as suppressing bacterial swimming and swarming motility, reducing biofilm formation by 56.4%, increasing cell membrane disruption, and inducing intracellular ROS surges. Synergistic effects were associated with the inhibition of biofilm formation, cell membrane destruction, and ROS production. Biofilm removal facilitated the direct antimicrobial action of BR. RS disrupted cell membrane permeability, allowing more BITC into the cells, resulting in increased intracellular antibacterial levels, cell membrane hyperpolarization, and rapid ROS accumulation. Furthermore, BR visibly slowed the microbial growth in chicken flesh stored at 25 °C and 4 °C. Therefore, BR is expected to be a new strategy for food preservation.
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Affiliation(s)
- Zhaolun Li
- School of Food Science and Technology, Dalian Polytechnic University, Dalian 116034, China
| | - Hongyan Wu
- School of Food Science and Technology, Dalian Polytechnic University, Dalian 116034, China
| | - Jianan Liu
- School of Food Science and Technology, Dalian Polytechnic University, Dalian 116034, China
| | - Hongshun Hao
- Department of Inorganic Nonmetallic Materials Engineering, Dalian Polytechnic University, Dalian 116034, China
| | - Jingran Bi
- School of Food Science and Technology, Dalian Polytechnic University, Dalian 116034, China; Liaoning Key Lab for Aquatic Processing Quality and Safety, Dalian 116034, China
| | - Hongman Hou
- School of Food Science and Technology, Dalian Polytechnic University, Dalian 116034, China; Liaoning Key Lab for Aquatic Processing Quality and Safety, Dalian 116034, China
| | - Gongliang Zhang
- School of Food Science and Technology, Dalian Polytechnic University, Dalian 116034, China; Liaoning Key Lab for Aquatic Processing Quality and Safety, Dalian 116034, China.
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14
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Liu H, Hu D, Wang D, Wu H, Pan Y, Chen X, Qi L, Li L, Liang R. In vitro analysis of synergistic combination of polymyxin B with 12 other antibiotics against MDR Acinetobacter baumannii isolated from a Chinese tertiary hospital. J Antibiot (Tokyo) 2023; 76:20-26. [PMID: 36307731 DOI: 10.1038/s41429-022-00573-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2022] [Revised: 09/21/2022] [Accepted: 09/22/2022] [Indexed: 12/15/2022]
Abstract
In clinical practice, polymyxins are suggested to be used in combination with other antibiotics for improving their antibacterial efficacy and preventing the emergency of antibiotic-resistant strains. However, even though synergistic combination of polymyxin B with many antibiotics have been confirmed in various studies with different bacterial species and analyzing methods, which antibiotic is the best option for combination therapy of polymyxin B against MDR A. baumannii remains uncertain. In this study, we systematically analyzed the synergistic combination of polymyxin B with 12 other antibiotics against MDR A. baumannii isolated from a Chinese tertiary hospital using the checkerboard assay. The results suggest that, for polymyxin B-based combination therapy against MDR A. baumannii as characterized in this hospital, cefperazone-sulbactam may be the best partner, since it has the highest synergistic rate and the best synergistic effect with polymyxin B. Minocycline, imipenem, meropenem, ceftazidime, cefepime, amikacin and sulfamethoxazole also have some synergistic effects with polymyxin B, but piperacillin-tazobactam, ciprofloxacin, levofloxacin and tobramycin show no synergism. None of these 12 antibiotics has an antagonistic effect when combined with polymyxin B.
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Affiliation(s)
- Hui Liu
- Department of Clinical Laboratory, Renmin Hospital, Hubei University of Medicine, Shiyan, Hubei, 442000, PR China
| | - Dan Hu
- Department of Clinical Laboratory, Renmin Hospital, Hubei University of Medicine, Shiyan, Hubei, 442000, PR China
| | - Dongxin Wang
- Department of Clinical Laboratory, Renmin Hospital, Hubei University of Medicine, Shiyan, Hubei, 442000, PR China
| | - Han Wu
- Department of Clinical Laboratory, Renmin Hospital, Hubei University of Medicine, Shiyan, Hubei, 442000, PR China
| | - Yunjun Pan
- Department of Clinical Laboratory, Renmin Hospital, Hubei University of Medicine, Shiyan, Hubei, 442000, PR China
| | - Xin Chen
- Department of Clinical Laboratory, Renmin Hospital, Hubei University of Medicine, Shiyan, Hubei, 442000, PR China
| | - Lin Qi
- Department of Clinical Laboratory, Renmin Hospital, Hubei University of Medicine, Shiyan, Hubei, 442000, PR China.,Department of Clinical Laboratory, Jinzhou Medical University Graduate Training Base, Renmin Hospital, Hubei University of Medicine, Shiyan, Hubei, 442000, PR China
| | - Lian Li
- Department of Clinical Laboratory, Renmin Hospital, Hubei University of Medicine, Shiyan, Hubei, 442000, PR China.,Department of Clinical Laboratory, Jinzhou Medical University Graduate Training Base, Renmin Hospital, Hubei University of Medicine, Shiyan, Hubei, 442000, PR China
| | - Rongxin Liang
- Department of Clinical Laboratory, Renmin Hospital, Hubei University of Medicine, Shiyan, Hubei, 442000, PR China.
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15
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Lim AH, Low ZJ, Shingate PN, Hong JH, Chong SC, Ng CCY, Liu W, Vaser R, Šikić M, Sung WKK, Nagarajan N, Tan P, Teh BT. Genome assembly and chemogenomic profiling of National Flower of Singapore Papilionanthe Miss Joaquim ‘Agnes’ reveals metabolic pathways regulating floral traits. Commun Biol 2022; 5:967. [PMID: 36109650 PMCID: PMC9477820 DOI: 10.1038/s42003-022-03940-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2022] [Accepted: 09/02/2022] [Indexed: 11/22/2022] Open
Abstract
Singapore’s National Flower, Papilionanthe (Ple.) Miss Joaquim ‘Agnes’ (PMJ) is highly prized as a horticultural flower from the Orchidaceae family. A combination of short-read sequencing, single-molecule long-read sequencing and chromatin contact mapping was used to assemble the PMJ genome, spanning 2.5 Gb and 19 pseudo-chromosomal scaffolds. Genomic resources and chemical profiling provided insights towards identifying, understanding and elucidating various classes of secondary metabolite compounds synthesized by the flower. For example, presence of the anthocyanin pigments detected by chemical profiling coincides with the expression of ANTHOCYANIN SYNTHASE (ANS), an enzyme responsible for the synthesis of the former. Similarly, the presence of vandaterosides (a unique class of glycosylated organic acids with the potential to slow skin aging) discovered using chemical profiling revealed the involvement of glycosyltransferase family enzymes candidates in vandateroside biosynthesis. Interestingly, despite the unnoticeable scent of the flower, genes involved in the biosynthesis of volatile compounds and chemical profiling revealed the combination of oxygenated hydrocarbons, including traces of linalool, beta-ionone and vanillin, forming the scent profile of PMJ. In summary, by combining genomics and biochemistry, the findings expands the known biodiversity repertoire of the Orchidaceae family and insights into the genome and secondary metabolite processes of PMJ. Genome assembly and metabolomic analysis of Singapore’s national flower, Papilionanthe (Ple.) Miss Joaquim “Agnes” (PMJ), expands the known genetic repertoire of the Orchidaceae family and insights into the biochemical processes of PMJ.
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16
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Qi L, Liang R, Duan J, Song S, Pan Y, Liu H, Zhu M, Li L. Synergistic antibacterial and anti-biofilm activities of resveratrol and polymyxin B against multidrug-resistant Pseudomonas aeruginosa. J Antibiot (Tokyo) 2022; 75:567-575. [PMID: 35999263 DOI: 10.1038/s41429-022-00555-1] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2022] [Revised: 07/31/2022] [Accepted: 08/02/2022] [Indexed: 11/10/2022]
Abstract
Bacterial infection caused by multidrug-resistant Pseudomonas aeruginosa has become a challenge in clinical practice. Polymyxins are used as the last resort agent for otherwise untreatable Gram-negative bacteria, including multidrug-resistant P.aeruginosa. However, pharmacodynamic (PD) and pharmacokinetic (PK) data on polymyxins suggest that polymyxin monotherapy is unlikely to generate reliably efficacious plasma concentrations. Also, polymyxin resistance has been frequently reported, especially among multidrug-resistant P.aeruginosa, which further limits its clinical use. A strategy for improving the antibacterial activity of polymyxins and preventing the development of polymyxin resistance is to use polymyxins in combination with other agents. In this study, we have demonstrated that resveratrol, a well tolerated compound, has synergistic effects when tested in vitro with polymyxin B on antibacterial and anti-biofilm activities. However, its' systemic use is limited as the required high plasma levels of resveratrol are not achievable. This suggests that it could be a partner for the combination therapy of polymyxin B in the treatment of topical bacterial infection caused by MDR P.aeruginosa.
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Affiliation(s)
- Lin Qi
- Department of Clinical Laboratory, Jinzhou Medical University Graduate Training Base, Renmin Hospital, Hubei University of Medicine, Shiyan, Hubei, 442000, P. R. China
| | - Rongxin Liang
- Department of Clinical Laboratory, Renmin Hospital, Hubei University of Medicine, Shiyan, Hubei, 442000, P. R. China
| | - Jingjing Duan
- Department of Clinical Laboratory, Renmin Hospital, Hubei University of Medicine, Shiyan, Hubei, 442000, P. R. China
| | - Songze Song
- Jinzhou Medical University, Jinzhou, Liaoning, 121001, P. R. China
| | - Yunjun Pan
- Department of Clinical Laboratory, Renmin Hospital, Hubei University of Medicine, Shiyan, Hubei, 442000, P. R. China
| | - Hui Liu
- Department of Clinical Laboratory, Renmin Hospital, Hubei University of Medicine, Shiyan, Hubei, 442000, P. R. China
| | - Mingan Zhu
- Department of Clinical Laboratory, Renmin Hospital, Hubei University of Medicine, Shiyan, Hubei, 442000, P. R. China
| | - Lian Li
- Department of Clinical Laboratory, Jinzhou Medical University Graduate Training Base, Renmin Hospital, Hubei University of Medicine, Shiyan, Hubei, 442000, P. R. China. .,Department of Clinical Laboratory, Renmin Hospital, Hubei University of Medicine, Shiyan, Hubei, 442000, P. R. China.
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17
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Cebrián R, Li Q, Peñalver P, Belmonte-Reche E, Andrés-Bilbao M, Lucas R, de Paz MV, Kuipers OP, Morales JC. Chemically Tuning Resveratrol for the Effective Killing of Gram-Positive Pathogens. JOURNAL OF NATURAL PRODUCTS 2022; 85:1459-1473. [PMID: 35621995 PMCID: PMC9237828 DOI: 10.1021/acs.jnatprod.1c01107] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/22/2021] [Indexed: 06/12/2023]
Abstract
In the era of antimicrobial resistance, the identification of new compounds with strong antimicrobial activity and the development of alternative therapies to fight drug-resistant bacteria are urgently needed. Here, we have used resveratrol, a safe and well-known plant-derived stilbene with poor antimicrobial properties, as a scaffold to design several new families of antimicrobials by adding different chemical entities at specific positions. We have characterized the mode of action of the most active compounds prepared and have examined their synergistic antibacterial activity in combination with traditional antibiotics. Some alkyl- and silyl-resveratrol derivatives show bactericidal activity against Gram-positive bacteria in the same low micromolar range of traditional antibiotics, with an original mechanism of action that combines membrane permeability activity with ionophore-related activities. No cross-resistance or antagonistic effect was observed with traditional antibiotics. Synergism was observed for some specific general-use antibiotics, such as aminoglycosides and cationic antimicrobial peptide antibiotics. No hemolytic activity was observed at the active concentrations or above, although some low toxicity against an MRC-5 cell line was noted.
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Affiliation(s)
- Rubén Cebrián
- Department
of Molecular Genetics, Groningen Biomolecular Sciences and Biotechnology
Institute, University of Groningen, Nijenborgh 7, 9747AG Groningen, The Netherlands
| | - Qian Li
- Department
of Molecular Genetics, Groningen Biomolecular Sciences and Biotechnology
Institute, University of Groningen, Nijenborgh 7, 9747AG Groningen, The Netherlands
| | - Pablo Peñalver
- Department
of Biochemistry and Molecular Pharmacology and Instituto de Parasitología
y Biomedicina López Neyra, CSIC,
PTS Granada, Avenida del Conocimiento, 17, 18016 Armilla, Granada, Spain
| | - Efres Belmonte-Reche
- Department
of Biochemistry and Molecular Pharmacology and Instituto de Parasitología
y Biomedicina López Neyra, CSIC,
PTS Granada, Avenida del Conocimiento, 17, 18016 Armilla, Granada, Spain
| | - María Andrés-Bilbao
- Department
of Biochemistry and Molecular Pharmacology and Instituto de Parasitología
y Biomedicina López Neyra, CSIC,
PTS Granada, Avenida del Conocimiento, 17, 18016 Armilla, Granada, Spain
| | - Ricardo Lucas
- Department
of Organic and Pharmaceutical Chemistry, School of Pharmacy, University of Seville, 41012 Seville, Spain
| | - María Violante de Paz
- Department
of Organic and Pharmaceutical Chemistry, School of Pharmacy, University of Seville, 41012 Seville, Spain
| | - Oscar P. Kuipers
- Department
of Molecular Genetics, Groningen Biomolecular Sciences and Biotechnology
Institute, University of Groningen, Nijenborgh 7, 9747AG Groningen, The Netherlands
| | - Juan Carlos Morales
- Department
of Biochemistry and Molecular Pharmacology and Instituto de Parasitología
y Biomedicina López Neyra, CSIC,
PTS Granada, Avenida del Conocimiento, 17, 18016 Armilla, Granada, Spain
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18
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Peng J, Chen X, Hou M, Yang K, Yang B, Wang P, Du Y, Yu Q, Ren J, Liu J. The TCM Preparation Feilike Mixture for the Treatment of Pneumonia: Network Analysis, Pharmacological Assessment and Silico Simulation. Front Pharmacol 2022; 13:794405. [PMID: 35295341 PMCID: PMC8918795 DOI: 10.3389/fphar.2022.794405] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2021] [Accepted: 01/24/2022] [Indexed: 11/15/2022] Open
Abstract
The Feilike mixture (FLKM) is a valid prescription that is frequently used to assist in the clinical treatment of pneumonia. However, the mechanisms of its effects remain unclear. First, through literature evaluation, it was preliminarily determined that FLKM improved clinical symptoms, regulated immune inflammation response and ameliorated pulmonary function. Then, via database search and literature mining, 759 targets of the 104 active compounds of FLKM were identified. The component-target (CT) network showed that the key active compositions were resveratrol, stigmasterol, beta-sitosterol, sesamin, and quercetin. 115 targets overlapped with pneumonia-related targets. The protein-protein interaction (PPI) network identified TNF, AKT1, IL6, JUN, VEGFA and MAPK3 as hub targets. KEGG analyses found that they were mainly enriched in immune related pathway. Next, in vivo experiment, we observed that FLKM ameliorated pathological injury of lung tissue and reduced neutrophil infiltration in rats with LPS-induced pneumonia. And FLKM decreased the concentration of TNF-α and IL-6 in BALF and downregulated the expression of p38MAPK, AKT and VEGFA in lung tissue. Finally, Molecular docking tests showed tight docking of these predicted targeted proteins with key active compounds. Molecular dynamics simulation was employed to assess stability and flexibility of receptor-ligand. Among them, AKT1- stigmasterol bound more stably, and their binding free energies were −47.91 ± 1.62 kcal/mol. This study revealed core compositions and targets for FLKM treating pneumonia and provided integrated pharmacological evidence to support its clinical efficacy.
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Affiliation(s)
- Juqin Peng
- Beijing Key Laboratory of Pharmacology of Traditional Chinese Medicine, Institute of Basic Medical Sciences, Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Xiaoxiao Chen
- Beijing Key Laboratory of Pharmacology of Traditional Chinese Medicine, Institute of Basic Medical Sciences, Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Min Hou
- Beijing Key Laboratory of Pharmacology of Traditional Chinese Medicine, Institute of Basic Medical Sciences, Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, China
- Beijing University of Chinese Medicine, Beijing, China
| | - Kuo Yang
- School of Computer and Information Technology, Beijing Jiaotong University, Beijing, China
| | - Bing Yang
- Beijing Key Laboratory of Pharmacology of Traditional Chinese Medicine, Institute of Basic Medical Sciences, Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Pan Wang
- Beijing Key Laboratory of Pharmacology of Traditional Chinese Medicine, Institute of Basic Medical Sciences, Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Yang Du
- Beijing Key Laboratory of Pharmacology of Traditional Chinese Medicine, Institute of Basic Medical Sciences, Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, China
- Beijing University of Chinese Medicine, Beijing, China
| | - Qingyuan Yu
- Beijing Key Laboratory of Pharmacology of Traditional Chinese Medicine, Institute of Basic Medical Sciences, Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, China
- Beijing University of Chinese Medicine, Beijing, China
| | - Junguo Ren
- Beijing Key Laboratory of Pharmacology of Traditional Chinese Medicine, Institute of Basic Medical Sciences, Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, China
- *Correspondence: Junguo Ren, ; Jianxun Liu,
| | - Jianxun Liu
- Beijing Key Laboratory of Pharmacology of Traditional Chinese Medicine, Institute of Basic Medical Sciences, Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, China
- *Correspondence: Junguo Ren, ; Jianxun Liu,
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19
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Targeting the ATP synthase in bacterial and fungal pathogens – beyond Mycobacterium tuberculosis. J Glob Antimicrob Resist 2022; 29:29-41. [DOI: 10.1016/j.jgar.2022.01.026] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2021] [Revised: 01/24/2022] [Accepted: 01/30/2022] [Indexed: 11/23/2022] Open
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20
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Valcourt C, Buyck JM, Grégoire N, Couet W, Marchand S, Tewes F. Lipid Nanoparticles Loaded with Farnesol or Geraniol to Enhance the Susceptibility of E. coli MCR-1 to Colistin. Pharmaceutics 2021; 13:pharmaceutics13111849. [PMID: 34834268 PMCID: PMC8625850 DOI: 10.3390/pharmaceutics13111849] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2021] [Revised: 10/11/2021] [Accepted: 10/12/2021] [Indexed: 11/24/2022] Open
Abstract
Resistance to colistin, one of the antibiotics of last resort against multidrug-resistant Gram-negative bacteria, is increasingly reported. Notably, MCR plasmids discovered in 2015 have now been reported worldwide in humans. To keep this antibiotic of last resort efficient, a way to tackle this mechanism seems essential. Terpene alcohols such as farnesol have been shown to improve the efficacy of some antibiotics. However, their high lipophilicity makes them difficult to use. This problem can be solved by encapsulating them in water-dispersible lipid nanoparticles (LNPs). The aim of this study was to discover, using checkerboard tests and time-kill curve experiments, an association between colistin and farnesol or geraniol loaded in LNPs, which would improve the efficacy of colistin against E. coli and, in particular, MCR-1 transconjugants. Then, the effect of the combination on E. coli inner membrane permeabilisation was evaluated using propidium iodide (PI) uptake and compared to human red blood cells plasma membrane permeabilisation. Both terpene alcohols were able to restore the susceptibility of E. coli J53 MCR-1 to colistin with the same efficacy (Emax = 16, i.e., colistin MIC was decreased from 8 to 0.5 mg/L). However, with an EC50 of 2.69 mg/L, farnesol was more potent than geraniol (EC50 = 39.49 mg/L). Time-kill studies showed a bactericidal effect on MCR-1 transconjugant 6 h after incubation, with no regrowth up to 30 h in the presence of 1 mg/L colistin (1/8 MIC) and 60 mg/L or 200 mg/L farnesol or geraniol, respectively. Colistin alone was more potent in increasing PI uptake rate in the susceptible strain (EC50 = 0.86 ± 0.08 mg/L) than in the MCR-1 one (EC50 = 7.38 ± 0.85 mg/L). Against the MCR-1 strain, farnesol-loaded LNP at 60 mg/L enhanced the colistin-induced inner membrane permeabilization effect up to 5-fold and also increased its potency as shown by the decrease in its EC50 from 7.38 ± 0.85 mg/L to 2.69 ± 0.25 mg/L. Importantly, no hemolysis was observed for LNPs loaded with farnesol or geraniol, alone or in combination with colistin, at the concentrations showing the maximum decrease in colistin MICs. The results presented here indicate that farnesol-loaded LNPs should be studied as combination therapy with colistin to prevent the development of resistance to this antibiotic of last resort.
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Affiliation(s)
- Chantal Valcourt
- INSERM U1070 “Pharmacology of Anti-Infective Agents”, 1 rue Georges Bonnet, Pôle Biologie Santé, 86022 Poitiers, France; (C.V.); (J.M.B.); (N.G.); (W.C.); (S.M.)
| | - Julien M. Buyck
- INSERM U1070 “Pharmacology of Anti-Infective Agents”, 1 rue Georges Bonnet, Pôle Biologie Santé, 86022 Poitiers, France; (C.V.); (J.M.B.); (N.G.); (W.C.); (S.M.)
- UFR Médecine-Pharmacie Université de Poitiers, 6 rue de la Milétrie, TSA 51115, 86073 Poitiers, France
| | - Nicolas Grégoire
- INSERM U1070 “Pharmacology of Anti-Infective Agents”, 1 rue Georges Bonnet, Pôle Biologie Santé, 86022 Poitiers, France; (C.V.); (J.M.B.); (N.G.); (W.C.); (S.M.)
- UFR Médecine-Pharmacie Université de Poitiers, 6 rue de la Milétrie, TSA 51115, 86073 Poitiers, France
- Laboratoire de Toxicologie-Pharmacocinétique, CHU de Poitiers, 2 rue de la Miletrie, 86021 Poitiers, France
| | - William Couet
- INSERM U1070 “Pharmacology of Anti-Infective Agents”, 1 rue Georges Bonnet, Pôle Biologie Santé, 86022 Poitiers, France; (C.V.); (J.M.B.); (N.G.); (W.C.); (S.M.)
- UFR Médecine-Pharmacie Université de Poitiers, 6 rue de la Milétrie, TSA 51115, 86073 Poitiers, France
- Laboratoire de Toxicologie-Pharmacocinétique, CHU de Poitiers, 2 rue de la Miletrie, 86021 Poitiers, France
| | - Sandrine Marchand
- INSERM U1070 “Pharmacology of Anti-Infective Agents”, 1 rue Georges Bonnet, Pôle Biologie Santé, 86022 Poitiers, France; (C.V.); (J.M.B.); (N.G.); (W.C.); (S.M.)
- UFR Médecine-Pharmacie Université de Poitiers, 6 rue de la Milétrie, TSA 51115, 86073 Poitiers, France
- Laboratoire de Toxicologie-Pharmacocinétique, CHU de Poitiers, 2 rue de la Miletrie, 86021 Poitiers, France
| | - Frédéric Tewes
- INSERM U1070 “Pharmacology of Anti-Infective Agents”, 1 rue Georges Bonnet, Pôle Biologie Santé, 86022 Poitiers, France; (C.V.); (J.M.B.); (N.G.); (W.C.); (S.M.)
- UFR Médecine-Pharmacie Université de Poitiers, 6 rue de la Milétrie, TSA 51115, 86073 Poitiers, France
- Correspondence:
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21
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Santos CA, Lima EMF, Franco BDGDM, Pinto UM. Exploring Phenolic Compounds as Quorum Sensing Inhibitors in Foodborne Bacteria. Front Microbiol 2021; 12:735931. [PMID: 34594318 PMCID: PMC8477669 DOI: 10.3389/fmicb.2021.735931] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2021] [Accepted: 08/17/2021] [Indexed: 11/13/2022] Open
Abstract
The emergence of multidrug-resistant bacteria stimulates the search for new substitutes to traditional antimicrobial agents, especially molecules with antivirulence properties, such as those that interfere with quorum sensing (QS). This study aimed to evaluate the potential of phenolic compounds for QS inhibition in a QS biosensor strain (Chromobacterium violaceum) and three foodborne bacterial species (Aeromonas hydrophila, Salmonella enterica serovar Montevideo, and Serratia marcescens). Initially, an in silico molecular docking study was performed to select the compounds with the greatest potential for QS inhibition, using structural variants of the CviR QS regulator of C. violaceum as target. Curcumin, capsaicin, resveratrol, gallic acid, and phloridizin presented good affinity to at least four CviR structural variants. These phenolic compounds were tested for antimicrobial activity, inhibition of biofilm formation, and anti-QS activity. The antimicrobial activity when combined with kanamycin was also assessed. Curcumin, capsaicin, and resveratrol inhibited up to 50% of violacein production by C. violaceum. Biofilm formation was inhibited by resveratrol up to 80% in A. hydrophila, by capsaicin and curcumin up to 40% in S. Montevideo and by resveratrol and capsaicin up to 60% in S. marcescens. Curcumin completely inhibited swarming motility in S. marcescens. Additionally, curcumin and resveratrol increased the sensitivity of the tested bacteria to kanamycin. These results indicate that curcumin and resveratrol at concentrations as low as 6μM are potential quorum sensing inhibitors besides having antimicrobial properties at higher concentrations, encouraging applications in the food and pharmaceutical industries.
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Affiliation(s)
| | | | | | - Uelinton Manoel Pinto
- Department of Food and Experimental Nutrition, Food Research Center, Faculty of Pharmaceutical Sciences, University of São Paulo, São Paulo, Brazil
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22
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Rahman MM, Rahaman MS, Islam MR, Hossain ME, Mannan Mithi F, Ahmed M, Saldías M, Akkol EK, Sobarzo-Sánchez E. Multifunctional Therapeutic Potential of Phytocomplexes and Natural Extracts for Antimicrobial Properties. Antibiotics (Basel) 2021; 10:1076. [PMID: 34572660 PMCID: PMC8468069 DOI: 10.3390/antibiotics10091076] [Citation(s) in RCA: 33] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2021] [Revised: 08/30/2021] [Accepted: 09/03/2021] [Indexed: 12/21/2022] Open
Abstract
Natural products have been known for their antimicrobial factors since time immemorial. Infectious diseases are a worldwide burden that have been deteriorating because of the improvement of species impervious to various anti-infection agents. Hence, the distinguishing proof of antimicrobial specialists with high-power dynamic against MDR microorganisms is central to conquer this issue. Successful treatment of infection involves the improvement of new drugs or some common source of novel medications. Numerous naturally occurring antimicrobial agents can be of plant origin, animal origin, microbial origin, etc. Many plant and animal products have antimicrobial activities due to various active principles, secondary metabolites, or phytochemicals like alkaloids, tannins, terpenoids, essential oils, flavonoids, lectins, phagocytic cells, and many other organic constituents. Phytocomplexes' antimicrobial movement frequently results from a few particles acting in cooperative energy, and the clinical impacts might be because of the direct effects against microorganisms. The restorative plants that may furnish novel medication lead the antimicrobial movement. The purpose of this study is to investigate the antimicrobial properties of the phytocomplexes and natural extracts of the plants that are ordinarily being utilized as conventional medications and then recommended the chance of utilizing them in drugs for the treatment of multiple drug-resistant disease.
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Affiliation(s)
- Md. Mominur Rahman
- Department of Pharmacy, Faculty of Allied Health Sciences, Daffodil International University, Dhaka 1207, Bangladesh; (M.M.R.); (M.S.R.); (M.R.I.); (M.E.H.); (F.M.M.); (M.A.)
| | - Md. Saidur Rahaman
- Department of Pharmacy, Faculty of Allied Health Sciences, Daffodil International University, Dhaka 1207, Bangladesh; (M.M.R.); (M.S.R.); (M.R.I.); (M.E.H.); (F.M.M.); (M.A.)
| | - Md. Rezaul Islam
- Department of Pharmacy, Faculty of Allied Health Sciences, Daffodil International University, Dhaka 1207, Bangladesh; (M.M.R.); (M.S.R.); (M.R.I.); (M.E.H.); (F.M.M.); (M.A.)
| | - Md. Emon Hossain
- Department of Pharmacy, Faculty of Allied Health Sciences, Daffodil International University, Dhaka 1207, Bangladesh; (M.M.R.); (M.S.R.); (M.R.I.); (M.E.H.); (F.M.M.); (M.A.)
| | - Faria Mannan Mithi
- Department of Pharmacy, Faculty of Allied Health Sciences, Daffodil International University, Dhaka 1207, Bangladesh; (M.M.R.); (M.S.R.); (M.R.I.); (M.E.H.); (F.M.M.); (M.A.)
| | - Muniruddin Ahmed
- Department of Pharmacy, Faculty of Allied Health Sciences, Daffodil International University, Dhaka 1207, Bangladesh; (M.M.R.); (M.S.R.); (M.R.I.); (M.E.H.); (F.M.M.); (M.A.)
| | - Marianela Saldías
- Instituto de Investigación y Postgrado, Facultad de Ciencias de la Salud, Universidad Central de Chile, Santiago 8330507, Chile;
| | - Esra Küpeli Akkol
- Department of Pharmacognosy, Faculty of Pharmacy, Gazi University, 06330 Ankara, Turkey;
| | - Eduardo Sobarzo-Sánchez
- Instituto de Investigación y Postgrado, Facultad de Ciencias de la Salud, Universidad Central de Chile, Santiago 8330507, Chile;
- Department of Organic Chemistry, Faculty of Pharmacy, University of Santiago de Compostela, 15782 Santiago de Compostela, Spain
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23
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Khameneh B, Eskin NAM, Iranshahy M, Fazly Bazzaz BS. Phytochemicals: A Promising Weapon in the Arsenal against Antibiotic-Resistant Bacteria. Antibiotics (Basel) 2021; 10:1044. [PMID: 34572626 PMCID: PMC8472480 DOI: 10.3390/antibiotics10091044] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2021] [Revised: 08/16/2021] [Accepted: 08/17/2021] [Indexed: 12/12/2022] Open
Abstract
The extensive usage of antibiotics and the rapid emergence of antimicrobial-resistant microbes (AMR) are becoming important global public health issues. Many solutions to these problems have been proposed, including developing alternative compounds with antimicrobial activities, managing existing antimicrobials, and rapidly detecting AMR pathogens. Among all of them, employing alternative compounds such as phytochemicals alone or in combination with other antibacterial agents appears to be both an effective and safe strategy for battling against these pathogens. The present review summarizes the scientific evidence on the biochemical, pharmacological, and clinical aspects of phytochemicals used to treat microbial pathogenesis. A wide range of commercial products are currently available on the market. Their well-documented clinical efficacy suggests that phytomedicines are valuable sources of new types of antimicrobial agents for future use. Innovative approaches and methodologies for identifying plant-derived products effective against AMR are also proposed in this review.
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Affiliation(s)
- Bahman Khameneh
- Department of Pharmaceutical Control, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad 9177948954, Iran;
| | - N. A. Michael Eskin
- Department of Food and Human Nutritional Sciences, Faculty of Agricultural and Food Sciences, University of Manitoba, Winnipeg, MB R3T 2N2, Canada;
| | - Milad Iranshahy
- Department of Pharmacognosy, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad 9177948954, Iran
| | - Bibi Sedigheh Fazly Bazzaz
- Department of Pharmaceutical Control, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad 9177948954, Iran;
- Biotechnology Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad 9177948954, Iran
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24
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Vestergaard M, Roshanak S, Ingmer H. Targeting the ATP Synthase in Staphylococcus aureus Small Colony Variants, Streptococcus pyogenes and Pathogenic Fungi. Antibiotics (Basel) 2021; 10:antibiotics10040376. [PMID: 33918382 PMCID: PMC8067178 DOI: 10.3390/antibiotics10040376] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2021] [Revised: 03/25/2021] [Accepted: 03/31/2021] [Indexed: 02/07/2023] Open
Abstract
The ATP synthase has been validated as a druggable target with the approval of the ATP synthase inhibitor, bedaquiline, for treatment of drug-resistant Mycobacterium tuberculosis, a bacterial species in which the ATP synthase is essential for viability. Gene inactivation studies have also shown that the ATP synthase is essential among Streptococci, and some studies even suggest that inhibition of the ATP synthase is a strategy for the elimination of Staphylococcus aureus small colony variants with deficiencies in the electron transport chain, as well as pathogenic fungi, such as Candida albicans. Here we investigated five structurally diverse ATP synthase inhibitors, namely N,N′-dicyclohexylcarbodiimide (DCCD), oligomycin A, tomatidine, resveratrol and piceatannol, for their growth inhibitory activity against the bacterial strains Streptococcus pyogenes, S. aureus and two isogenic small colony variants, as well as the pathogenic fungal species, C. albicans and Aspergillus niger. DCCD showed broad-spectrum inhibitory activity against all the strains (minimum inhibitory concentration (MIC) 2–16 µg/mL), except for S. aureus, where the ATP synthase is dispensable for growth. Contrarily, oligomycin A selectively inhibited the fungal strains (MIC 1–8 µg/mL), while tomatidine showed very potent, but selective, activity against small colony variants of S. aureus with compromised electron transport chain activity (MIC 0.0625 µg/mL). Small colony variants of S. aureus were also more sensitive to resveratrol and piceatannol than the wild-type strain, and piceatannol inhibited S. pyogenes at 16–32 µg/mL. We previously showed that transposon inactivation of the ATP synthase sensitizes S. aureus towards polymyxin B and colistin, and here we demonstrate that treatment with structurally diverse ATP synthase inhibitors sensitized S. aureus towards polymyxin B. Collectively, our data show that ATP synthase inhibitors can have selective inhibitory activity against pathogenic microorganisms in which the ATP synthase is essential. The data also show that the inhibition of the ATP synthase in Streptococcus pyogenes may be a new strategy for development of a narrow-spectrum antibiotic class. In other major bacterial pathogens, such as S. aureus and potentially Escherichia coli, where the ATP synthase is dispensable, the ATP synthase inhibitors may be applied in combination with antimicrobial peptides to provide new therapeutic options.
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Affiliation(s)
- Martin Vestergaard
- Department of Veterinary and Animal Sciences, Faculty of Health and Medical Sciences, University of Copenhagen, Stigbøjlen 4, DK-1870 Frederiksberg C, Denmark; (M.V.); (S.R.)
| | - Sahar Roshanak
- Department of Veterinary and Animal Sciences, Faculty of Health and Medical Sciences, University of Copenhagen, Stigbøjlen 4, DK-1870 Frederiksberg C, Denmark; (M.V.); (S.R.)
- Department of Food Science and Technology, Faculty of Agriculture, Ferdowsi University of Mashhad, Mashhad 9177948974, Iran
| | - Hanne Ingmer
- Department of Veterinary and Animal Sciences, Faculty of Health and Medical Sciences, University of Copenhagen, Stigbøjlen 4, DK-1870 Frederiksberg C, Denmark; (M.V.); (S.R.)
- Correspondence:
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