1
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Panthi VK, Fairfull-Smith KE, Islam N. Liposomal drug delivery strategies to eradicate bacterial biofilms: Challenges, recent advances, and future perspectives. Int J Pharm 2024; 655:124046. [PMID: 38554739 DOI: 10.1016/j.ijpharm.2024.124046] [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: 12/23/2023] [Revised: 03/08/2024] [Accepted: 03/23/2024] [Indexed: 04/02/2024]
Abstract
Typical antibiotic treatments are often ineffectual against biofilm-related infections since bacteria residing within biofilms have developed various mechanisms to resist antibiotics. To overcome these limitations, antimicrobial-loaded liposomal nanoparticles are a promising anti-biofilm strategy as they have demonstrated improved antibiotic delivery and eradication of bacteria residing in biofilms. Antibiotic-loaded liposomal nanoparticles revealed remarkably higher antibacterial and anti-biofilm activities than free drugs in experimental settings. Moreover, liposomal nanoparticles can be used efficaciously for the combinational delivery of antibiotics and other antimicrobial compounds/peptide which facilitate, for instance, significant breakdown of the biofilm matrix, increased bacterial elimination from biofilms and depletion of metabolic activity of various pathogens. Drug-loaded liposomes have mitigated recurrent infections and are considered a promising tool to address challenges associated to antibiotic resistance. Furthermore, it has been demonstrated that surface charge and polyethylene glycol modification of liposomes have a notable impact on their antibacterial biofilm activity. Future investigations should tackle the persistent hurdles associated with development of safe and effective liposomes for clinical application and investigate novel antibacterial treatments, including CRISPR-Cas gene editing, natural compounds, phages, and nano-mediated approaches. Herein, we emphasize the significance of liposomes in inhibition and eradication of various bacterial biofilms, their challenges, recent advances, and future perspectives.
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Affiliation(s)
- Vijay Kumar Panthi
- Pharmacy Discipline, School of Clinical Sciences, Queensland University of Technology (QUT), Brisbane, QLD, Australia
| | - Kathryn E Fairfull-Smith
- School of Chemistry and Physics, Faculty of Science, Queensland University of Technology, Brisbane, Queensland 4001, Australia; Centre for Materials Science, Queensland University of Technology, Brisbane, Queensland 4001, Australia
| | - Nazrul Islam
- Pharmacy Discipline, School of Clinical Sciences, Queensland University of Technology (QUT), Brisbane, QLD, Australia; Institute of Health and Biomedical Innovation (IHBI), Queensland University of Technology (QUT), Brisbane, QLD, Australia; Centre for Immunology and Infection Control (CIIC), Queensland University of Technology (QUT), Brisbane, QLD, Australia.
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2
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Wade U, Pascual-Figal DA, Rabbani F, Ernst M, Albert A, Janssens I, Dierckxsens Y, Iqtadar S, Khokhar NA, Kanwal A, Khan A. The Possible Synergistic Pharmacological Effect of an Oral Berberine (BBR) and Curcumin (CUR) Complementary Therapy Alleviates Symptoms of Irritable Bowel Syndrome (IBS): Results from a Real-Life, Routine Clinical Practice Settings-Based Study. Nutrients 2024; 16:1204. [PMID: 38674895 PMCID: PMC11053504 DOI: 10.3390/nu16081204] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2024] [Revised: 04/11/2024] [Accepted: 04/14/2024] [Indexed: 04/28/2024] Open
Abstract
Irritable bowel syndrome (IBS) is a prevalent chronic functional gastrointestinal disorder, characterised by recurrent abdominal discomfort and altered bowel movements. IBS cause a significantly negative impact on quality of life (QoL). Growing pharmacological evidence suggests that berberine (BBR) and curcumin (CUR) may mitigate IBS symptoms through multiple complementary synergistic mechanisms, resulting in the attenuation of intestinal inflammation and regulation of bowel motility and gut functions. In the present observational study conducted under real-life routine clinical practice settings, 146 patients diagnosed with IBS were enrolled by general practitioner clinics and pharmacies in Belgium. For the first time, this study assessed the potential synergistic pharmacological effect of a combined oral BBR/CUR supplement (Enterofytol® PLUS, containing 200 mg BBR and 49 mg CUR) (two tablets daily for 2 months), serving as complementary therapy in the management of IBS. Following the 2-month supplementation, significant improvements were observed in the patients' IBS severity index (IBSSI) (47.5%) and all the primary IBS symptoms, such as abdominal discomfort (47.2%), distension (48.0%), intestinal transit (46.8%), and QoL (48.1%) (all p < 0.0001). The improvement in the patients' IBSSI was independent of age, sex, and IBS sub-types. The patients' weekly maximum stool passage frequency decreased significantly (p < 0.0001), and the stool status normalized (p < 0.0001). The patients' need for concomitant conventional IBS treatment decreased notably: antispasmodics by 64.0% and antidiarrhoeals by 64.6%. Minor adverse effects were reported by a small proportion (7.1%) of patients, mostly gastrointestinal. The majority (93.1%) experienced symptom improvement or resolution, with a high satisfaction rate (82.6%) and willingness to continue the supplementation (79.0%). These findings support the potential synergistic pharmacological role of BBR and CUR in IBS, and their co-supplementation may alleviate IBS symptoms and improve QoL.
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Affiliation(s)
- Ursula Wade
- Department of Basic and Clinical Neuroscience, Kings College London, London SE5 9RT, UK;
| | - Domingo A. Pascual-Figal
- Hospital Universitario Virgen de la Arrixaca, IMIB-Arrixaca, Universidad de Murcia, 30120 Murcia, Spain;
| | - Fazale Rabbani
- Lady Reading Hospital, Peshawar 25000, Pakistan; (F.R.); (A.K.)
| | - Marie Ernst
- Biostatistics and Research Methods Center (B-STAT), CHU of Liège and University of Liège, 4000 Liège, Belgium (A.A.)
| | - Adelin Albert
- Biostatistics and Research Methods Center (B-STAT), CHU of Liège and University of Liège, 4000 Liège, Belgium (A.A.)
| | | | | | - Somia Iqtadar
- Department of Medicine, King Edward Medical University, Lahore 54000, Pakistan;
| | - Nisar A. Khokhar
- Department of Medicine, Bilawal Medical College, Liaquat University of Medical and Health Sciences, Jamshoro 76090, Pakistan;
| | - Ayesha Kanwal
- Lady Reading Hospital, Peshawar 25000, Pakistan; (F.R.); (A.K.)
| | - Amjad Khan
- Department of Biochemistry, Liaquat University of Medical and Health Sciences, Jamshoro 76090, Pakistan
- Department of Oncology, University of Oxford, Oxford OX3 7DQ, UK
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3
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Boretti A. Potential use of curcumin against methicillin-resistant Staphylococcus infection. Phytother Res 2024; 38:1165-1169. [PMID: 37083191 DOI: 10.1002/ptr.7851] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2023] [Revised: 04/11/2023] [Accepted: 04/13/2023] [Indexed: 04/22/2023]
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4
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Pacyga K, Pacyga P, Topola E, Viscardi S, Duda-Madej A. Bioactive Compounds from Plant Origin as Natural Antimicrobial Agents for the Treatment of Wound Infections. Int J Mol Sci 2024; 25:2100. [PMID: 38396777 PMCID: PMC10889580 DOI: 10.3390/ijms25042100] [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: 12/21/2023] [Revised: 02/02/2024] [Accepted: 02/03/2024] [Indexed: 02/25/2024] Open
Abstract
The rising prevalence of drug-resistant bacteria underscores the need to search for innovative and nature-based solutions. One of the approaches may be the use of plants that constitute a rich source of miscellaneous compounds with a wide range of biological properties. This review explores the antimicrobial activity of seven bioactives and their possible molecular mechanisms of action. Special attention was focused on the antibacterial properties of berberine, catechin, chelerythrine, cinnamaldehyde, ellagic acid, proanthocyanidin, and sanguinarine against Staphylococcus aureus, Enterococcus spp., Klebsiella pneumoniae, Acinetobacter baumannii, Escherichia coli, Serratia marcescens and Pseudomonas aeruginosa. The growing interest in novel therapeutic strategies based on new plant-derived formulations was confirmed by the growing number of articles. Natural products are one of the most promising and intensively examined agents to combat the consequences of the overuse and misuse of classical antibiotics.
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Affiliation(s)
- Katarzyna Pacyga
- Department of Environment Hygiene and Animal Welfare, Faculty of Biology and Animal Science, Wroclaw University of Environmental and Life Sciences, 50-375 Wroclaw, Poland
| | - Paweł Pacyga
- Department of Thermodynamics and Renewable Energy Sources, Faculty of Mechanical and Power Engineering, Wrocław University of Science and Technology, 50-370 Wrocław, Poland;
| | - Ewa Topola
- Faculty of Medicine, Wroclaw Medical University, Ludwika Pasteura 1, 50-367 Wrocław, Poland; (E.T.); (S.V.)
| | - Szymon Viscardi
- Faculty of Medicine, Wroclaw Medical University, Ludwika Pasteura 1, 50-367 Wrocław, Poland; (E.T.); (S.V.)
| | - Anna Duda-Madej
- Department of Microbiology, Faculty of Medicine, Wroclaw Medical University, Chałubińskiego 4, 50-368 Wrocław, Poland
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5
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Cao X, Cheng XW, Liu YY, Dai HW, Gan RY. Inhibition of pathogenic microbes in oral infectious diseases by natural products: Sources, mechanisms, and challenges. Microbiol Res 2024; 279:127548. [PMID: 38016378 DOI: 10.1016/j.micres.2023.127548] [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: 09/12/2023] [Revised: 10/31/2023] [Accepted: 11/10/2023] [Indexed: 11/30/2023]
Abstract
The maintenance of oral health is of utmost importance for an individual's holistic well-being and standard of living. Within the oral cavity, symbiotic microorganisms actively safeguard themselves against potential foreign diseases by upholding a multifaceted equilibrium. Nevertheless, the occurrence of an imbalance can give rise to a range of oral infectious ailments, such as dental caries, periodontitis, and oral candidiasis. Presently, clinical interventions encompass the physical elimination of pathogens and the administration of antibiotics to regulate bacterial and fungal infections. Given the limitations of various antimicrobial drugs frequently employed in dental practice, the rising incidence of oral inflammation, and the escalating bacterial resistance to antibiotics, it is imperative to explore alternative remedies that are dependable, efficacious, and affordable for the prevention and management of oral infectious ailments. There is an increasing interest in the creation of novel antimicrobial agents derived from natural sources, which possess attributes such as safety, cost-effectiveness, and minimal adverse effects. This review provides a comprehensive overview of the impact of natural products on the development and progression of oral infectious diseases. Specifically, these products exert their influences by mitigating dental biofilm formation, impeding the proliferation of oral pathogens, and hindering bacterial adhesion to tooth surfaces. The review also encompasses an examination of the various classes of natural products, their antimicrobial mechanisms, and their potential therapeutic applications and limitations in the context of oral infections. The insights garnered from this review can support the promising application of natural products as viable therapeutic options for managing oral infectious diseases.
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Affiliation(s)
- Xin Cao
- College of Stomatology, Chongqing Medical University, Chongqing 401147, China; Chongqing Key Laboratory of Oral Diseases and Biomedical Sciences, Chongqing 401147, China; Chongqing Municipal Key Laboratory of Oral Biomedical Engineering of Higher Education, Chongqing 401147, China
| | - Xing-Wang Cheng
- Center for Joint Surgery, Department of Orthopedic Surgery, The Second Affiliated Hospital of Chongqing Medical University, Chongqing 400010, China
| | - Yin-Ying Liu
- Singapore Institute of Food and Biotechnology Innovation (SIFBI), Agency for Science, Technology and Research (A⁎STAR), 31 Biopolis Way, Singapore 138669, Singapore; Department of Food Science and Technology, Faculty of Science, National University of Singapore, 2 Science Drive 2, Singapore 117542, Singapore
| | - Hong-Wei Dai
- College of Stomatology, Chongqing Medical University, Chongqing 401147, China; Chongqing Key Laboratory of Oral Diseases and Biomedical Sciences, Chongqing 401147, China; Chongqing Municipal Key Laboratory of Oral Biomedical Engineering of Higher Education, Chongqing 401147, China.
| | - Ren-You Gan
- Singapore Institute of Food and Biotechnology Innovation (SIFBI), Agency for Science, Technology and Research (A⁎STAR), 31 Biopolis Way, Singapore 138669, Singapore; Department of Food Science and Technology, Faculty of Science, National University of Singapore, 2 Science Drive 2, Singapore 117542, Singapore.
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Li B, Mao J, Wu J, Mao K, Jia Y, Chen F, Liu J. Nano-Bio Interactions: Biofilm-Targeted Antibacterial Nanomaterials. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024; 20:e2306135. [PMID: 37803439 DOI: 10.1002/smll.202306135] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/20/2023] [Revised: 09/10/2023] [Indexed: 10/08/2023]
Abstract
Biofilm is a spatially organized community formed by the accumulation of both microorganisms and their secretions, leading to persistent and chronic infections because of high resistance toward conventional antibiotics. In view of the tunable physicochemical properties and the related unique biological behavior (e.g., size-, shape-, and surface charge-dependent penetration, protein corona endowed targeting, catalytic- and electronic-related oxidative stress, optical- and magnetic-associated hyperthermia, etc.), nanomaterials-based therapeutics are widely used for the treatment of biofilm-associated infections. In this review, the biological characteristics of biofilm are introduced. And the nanomaterials-based antibacterial strategies are further discussed via biofilm targeting, including preventing biofilm formation, enhancing biofilm penetration, disrupting the mature biofilm, and acting as drug delivery systems. In which, the interactions between biofilm and nanomaterials include mechanical disruption, electron transfer, enzymatic degradation, oxidative stress, and hyperthermia. Additionally, the current advances of nanomaterials for antibacterial nanomaterials by biofilm targeting are summarized. This review aims to present a complete vision of antibacterial nanomaterials-biofilm (nano-bio) interactions, paving the way for the future development and clinical translation of effective antibacterial nanomedicines.
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Affiliation(s)
- Bo Li
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, Faculty of Life Science and Medicine, Northwest University, Xi'an, 710069, P. R. China
- CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety and CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology of China, University of Chinese Academy of Sciences, Beijing, 100190, P. R. China
| | - Jiahui Mao
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, Faculty of Life Science and Medicine, Northwest University, Xi'an, 710069, P. R. China
- CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety and CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology of China, University of Chinese Academy of Sciences, Beijing, 100190, P. R. China
| | - Jiawei Wu
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, Faculty of Life Science and Medicine, Northwest University, Xi'an, 710069, P. R. China
| | - Kerou Mao
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, Faculty of Life Science and Medicine, Northwest University, Xi'an, 710069, P. R. China
| | - Yangrui Jia
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, Faculty of Life Science and Medicine, Northwest University, Xi'an, 710069, P. R. China
| | - Fulin Chen
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, Faculty of Life Science and Medicine, Northwest University, Xi'an, 710069, P. R. China
| | - Jing Liu
- CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety and CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology of China, University of Chinese Academy of Sciences, Beijing, 100190, P. R. China
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Elkhalifa ME, Ashraf M, Ahmed A, Usman A, Hamdoon AA, Elawad MA, Almalki MG, Mosa OF, Niyazov LN, Ayaz M. Polyphenols and their nanoformulations as potential antibiofilm agents against multidrug-resistant pathogens. Future Microbiol 2024; 19:255-279. [PMID: 38305223 DOI: 10.2217/fmb-2023-0175] [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: 08/09/2023] [Accepted: 10/13/2023] [Indexed: 02/03/2024] Open
Abstract
The emergence of multidrug-resistant (MDR) pathogens is a major problem in the therapeutic management of infectious diseases. Among the bacterial resistance mechanisms is the development of an enveloped protein and polysaccharide-hydrated matrix called a biofilm. Polyphenolics have demonstrated beneficial antibacterial effects. Phenolic compounds mediate their antibiofilm effects via disruption of the bacterial membrane, deprivation of substrate, protein binding, binding to adhesion complex, viral fusion blockage and interactions with eukaryotic DNA. However, these compounds have limitations of chemical instability, low bioavailability, poor water solubility and short half-lives. Nanoformulations offer a promising solution to overcome these challenges by enhancing their antibacterial potential. This review summarizes the antibiofilm role of polyphenolics, their underlying mechanisms and their potential role as resistance-modifying agents.
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Affiliation(s)
- Modawy Em Elkhalifa
- Public Health Department, Health Sciences College at Al-Leith, Umm Al-Qura University, Al leith, KSA
- Faculty of Public and Environmental Health, University of Khartoum, Khartoum, Sudan
| | - Muhammad Ashraf
- Department of Pharmacy, University of Malakand, Chakdara, Dir (L), KP, 18800, Pakistan
| | - Alshebli Ahmed
- Public Health Department, Health Sciences College at Al-Leith, Umm Al-Qura University, Al leith, KSA
- Faculty of Public and Environmental Health, University of Khartoum, Khartoum, Sudan
| | - Assad Usman
- Department of Pharmacy, University of Malakand, Chakdara, Dir (L), KP, 18800, Pakistan
| | - Alashary Ae Hamdoon
- Public Health Department, Health Sciences College at Al-Leith, Umm Al-Qura University, Al leith, KSA
- Faculty of Public and Environmental Health, University of Khartoum, Khartoum, Sudan
| | - Mohammed A Elawad
- Public Health Department, Health Sciences College at Al-Leith, Umm Al-Qura University, Al leith, KSA
- Faculty of Public and Environmental Health, University of Khartoum, Khartoum, Sudan
| | - Meshari G Almalki
- Public Health Department, Health Sciences College at Al-Leith, Umm Al-Qura University, Al leith, KSA
| | - Osama F Mosa
- Public Health Department, Health Sciences College at Al-Leith, Umm Al-Qura University, Al leith, KSA
| | - Laziz N Niyazov
- Medical Chemistry Department, Bukhara State Medical Institute Named After Abu Ali Ibn Sino, Bukhara, Uzbekistan
| | - Muhammad Ayaz
- Department of Pharmacy, University of Malakand, Chakdara, Dir (L), KP, 18800, Pakistan
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8
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Abd El-Hamid MI, Ibrahim D, Elazab ST, Gad WM, Shalaby M, El-Neshwy WM, Alshahrani MA, Saif A, Algendy RM, AlHarbi M, Saleh FM, Alharthi A, Mohamed EAA. Tackling strong biofilm and multi-virulent vancomycin-resistant Staphylococcus aureus via natural alkaloid-based porous nanoparticles: perspective towards near future eradication. Front Cell Infect Microbiol 2024; 13:1287426. [PMID: 38282617 PMCID: PMC10811083 DOI: 10.3389/fcimb.2023.1287426] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2023] [Accepted: 11/16/2023] [Indexed: 01/30/2024] Open
Abstract
Introduction As a growing direction, nano-based therapy has become a successful paradigm used to address the phytogenic delivery-related problems in overcoming multivirulent vancomycin-resistant Staphylococcus aureus (VRSA) infection. Methods Hence, our aim was to develop and assess a novel nanocarrier system (mesoporous silica nanoparticles, MPS-NPs) for free berberine (Free-BR) as an antimicrobial alkaloid against strong biofilm-producing and multi-virulent VRSA strains using in vitro and in vivo mouse model. Results and discussion Our outcomes demonstrated vancomycin resistance in 13.7% of Staphylococcus aureus (S. aureus) strains categorized as VRSA. Notably, strong biofilm formation was observed in 69.2% of VRSA strains that were all positive for icaA gene. All strong biofilm-producing VRSA strains harbored a minimum of two virulence genes comprising clfA and icaA with 44.4% of them possessing all five virulence genes (icaA, tst, clfA, hla, and pvl), and 88.9% being multi-virulent. The study findings affirmed excellent in vitro antimicrobial and antibiofilm properties of BR-loaded MPS-NPs. Real-time quantitative reverse transcription PCR (qRT-PCR) assay displayed the downregulating role of BR-loaded MPS-NPs on strong biofilm-producing and multi-virulent VRSA strains virulence and agr genes in both in vitro and in vivo mice models. Additionally, BR-loaded MPS-NPs supplementation has a promising role in attenuating the upregulated expression of pro-inflammatory cytokines' genes in VRSA-infected mice with attenuation in pro-apoptotic genes expression resulting in reduced VRSA-induced apoptosis. In essence, the current study recommends the future scope of using BR-loaded MPS-NPs as auspicious alternatives for antimicrobials with tremendous antimicrobial, antibiofilm, anti-quorum sensing (QS), and anti-virulence effectiveness against problematic strong biofilm-producing and multi-virulent VRSA-associated infections.
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Affiliation(s)
- Marwa I. Abd El-Hamid
- Department of Microbiology, Faculty of Veterinary Medicine, Zagazig University, Zagazig, Egypt
| | - Doaa Ibrahim
- Department of Nutrition and Clinical Nutrition, Faculty of Veterinary Medicine, Zagazig University, Zagazig, Egypt
| | - Sara T. Elazab
- Department of Pharmacology, Faculty of Veterinary Medicine, Mansoura University, Mansoura, Egypt
| | - Wafaa M. Gad
- Department of Bacteriology, Animal Health Research Institute (AHRI), Mansoura Branch, Agriculture Research Center, Mansoura, Egypt
| | - Marwa Shalaby
- Department of Bacteriology, Animal Health Research Institute (AHRI), Mansoura Branch, Agriculture Research Center, Mansoura, Egypt
| | - Wafaa M. El-Neshwy
- Department of Animal Medicine, Infectious Diseases, Faculty of Veterinary Medicine, Zagazig University, Zagazig, Egypt
| | | | - Ahmed Saif
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, King Khalid University, Abha, Saudi Arabia
| | - Reem M. Algendy
- Food Hygiene, Safety and Technology Department, Faculty of Veterinary Medicine, Zagazig University, Zagazig, Egypt
| | - Maha AlHarbi
- Department of Biology, College of Science, Princess Nourah bint Abdulrahman University, Riyadh, Saudi Arabia
| | - Fayez M. Saleh
- Department of Medical Microbiology, Faculty of Medicine, University of Tabuk, Tabuk, Saudi Arabia
| | - Afaf Alharthi
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, Taif University, Taif, Saudi Arabia
| | - Eman A. A. Mohamed
- Department of Microbiology, Faculty of Veterinary Medicine, Zagazig University, Zagazig, Egypt
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Ashfaq R, Rasul A, Asghar S, Kovács A, Berkó S, Budai-Szűcs M. Lipid Nanoparticles: An Effective Tool to Improve the Bioavailability of Nutraceuticals. Int J Mol Sci 2023; 24:15764. [PMID: 37958750 PMCID: PMC10648376 DOI: 10.3390/ijms242115764] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2023] [Revised: 10/26/2023] [Accepted: 10/28/2023] [Indexed: 11/15/2023] Open
Abstract
Nano-range bioactive colloidal carrier systems are envisaged to overcome the challenges associated with treatments of numerous diseases. Lipid nanoparticles (LNPs), one of the extensively investigated drug delivery systems, not only improve pharmacokinetic parameters, transportation, and chemical stability of encapsulated compounds but also provide efficient targeting and reduce the risk of toxicity. Over the last decades, nature-derived polyphenols, vitamins, antioxidants, dietary supplements, and herbs have received more attention due to their remarkable biological and pharmacological health and medical benefits. However, their poor aqueous solubility, compromised stability, insufficient absorption, and accelerated elimination impede research in the nutraceutical sector. Owing to the possibilities offered by various LNPs, their ability to accommodate both hydrophilic and hydrophobic molecules and the availability of various preparation methods suitable for sensitive molecules, loading natural fragile molecules into LNPs offers a promising solution. The primary objective of this work is to explore the synergy between nature and nanotechnology, encompassing a wide range of research aimed at encapsulating natural therapeutic molecules within LNPs.
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Affiliation(s)
- Rabia Ashfaq
- Institute of Pharmaceutical Technology and Regulatory Affairs, Faculty of Pharmacy, University of Szeged, Eötvös u. 6, H-6720 Szeged, Hungary; (R.A.)
| | - Akhtar Rasul
- Faculty of Pharmaceutical Sciences, Government College University Faisalabad, Faisalabad 38000, Pakistan; (A.R.); (S.A.)
| | - Sajid Asghar
- Faculty of Pharmaceutical Sciences, Government College University Faisalabad, Faisalabad 38000, Pakistan; (A.R.); (S.A.)
| | - Anita Kovács
- Institute of Pharmaceutical Technology and Regulatory Affairs, Faculty of Pharmacy, University of Szeged, Eötvös u. 6, H-6720 Szeged, Hungary; (R.A.)
| | - Szilvia Berkó
- Institute of Pharmaceutical Technology and Regulatory Affairs, Faculty of Pharmacy, University of Szeged, Eötvös u. 6, H-6720 Szeged, Hungary; (R.A.)
| | - Mária Budai-Szűcs
- Institute of Pharmaceutical Technology and Regulatory Affairs, Faculty of Pharmacy, University of Szeged, Eötvös u. 6, H-6720 Szeged, Hungary; (R.A.)
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10
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Liu Y, Ma M, Yuan Y. The potential of curcumin-based co-delivery systems for applications in the food industry: Food preservation, freshness monitoring, and functional food. Food Res Int 2023; 171:113070. [PMID: 37330831 DOI: 10.1016/j.foodres.2023.113070] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2023] [Revised: 05/28/2023] [Accepted: 05/29/2023] [Indexed: 06/19/2023]
Abstract
Currently, curcumin-based co-delivery systems are receiving widespread attention. However, a systematic summary of the possibility of curcumin-based co-delivery systems used for the food industry from multiple directions based on the functional characteristics of curcumin is lacking. This review details the different forms of curcumin-based co-delivery systems including the single system of nanoparticle, liposome, double emulsion, and multiple systems composed of different hydrocolloids. The structural composition, stability, encapsulation efficiency, and protective effects of these forms are discussed comprehensively. The functional characteristics of curcumin-based co-delivery systems are summarized, involving biological activity (antimicrobial and antioxidant), pH-responsive discoloration, and bioaccessibility/bioavailability. Correspondingly, potential applications for food preservation, freshness detection, and functional foods are introduced. In the future, more novel co-delivery systems for active ingredients and food matrices should be developed. Besides, the synergistic mechanisms between active ingredients, delivery carrier/active ingredient, and external physical condition/active ingredient should be explored. In conclusion, curcumin-based co-delivery systems have the potential to be widely used in the food industry.
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Affiliation(s)
- Yueyue Liu
- School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
| | - Mengjie Ma
- School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
| | - Yongkai Yuan
- School of Food Science and Technology, Jiangnan University, Wuxi 214122, China.
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11
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Lu J, Wang Z, Cai D, Lin X, Huang X, Yuan Z, Zhang Y, Lei H, Wang P. Carrier-Free Binary Self-Assembled Nanomedicines Originated from Traditional Herb Medicine with Multifunction to Accelerate MRSA-Infected Wound Healing by Antibacterial, Anti-Inflammation and Promoting Angiogenesis. Int J Nanomedicine 2023; 18:4885-4906. [PMID: 37667771 PMCID: PMC10475309 DOI: 10.2147/ijn.s422944] [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: 06/14/2023] [Accepted: 08/04/2023] [Indexed: 09/06/2023] Open
Abstract
Background Deaths from bacterial infections have risen year by year. This trend is further aggravated as the overuse antibiotics and the bacterial resistance to all known antibacterial agents. Therefore, new therapeutic alternatives are urgently needed. Methods Enlightenment the combination usage of traditional herb medicine, one carrier-free binary nanoparticles (GA-BBR NPs) was discovered, which was self-assembled from gallic acid and berberine through electrostatic interaction, π-π stacking and hydrophobic interaction; and it could be successfully prepared by a green, cost-effective and "one-pot" preparation process. Results The nanoparticles exhibited strong antibacterial activity and biofilm removal ability against multidrug-resistant S. aureus (MRSA) by downregulating mRNA expression of rpsF, rplC, rplN, rplX, rpsC, rpmC and rpsH to block bacterial translation mechanisms in vitro and in vivo, and it had well anti-inflammatory activity and a promising role in promoting angiogenesis to accelerate the wound healing on MRSA-infected wounds model in vivo. Additionally, the nanoparticles displayed well biocompatibility without cytotoxicity, hemolytic activity, and tissue or organ toxicity. Conclusion GA-BBR NPs originated from the drug combination has potential clinical transformation value, and this study provides a new idea for the design of carrier-free nanomedicine derived from natural herbals.
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Affiliation(s)
- Jihui Lu
- School of Chinese Pharmacy, Beijing University of Chinese Medicine, Beijing, 102488, People’s Republic of China
| | - Zhijia Wang
- School of Chinese Pharmacy, Beijing University of Chinese Medicine, Beijing, 102488, People’s Republic of China
| | - Desheng Cai
- School of Chinese Pharmacy, Beijing University of Chinese Medicine, Beijing, 102488, People’s Republic of China
| | - Xiaoyu Lin
- School of Chinese Pharmacy, Beijing University of Chinese Medicine, Beijing, 102488, People’s Republic of China
| | - Xuemei Huang
- School of Chinese Pharmacy, Beijing University of Chinese Medicine, Beijing, 102488, People’s Republic of China
| | - Zhihua Yuan
- School of Chinese Pharmacy, Beijing University of Chinese Medicine, Beijing, 102488, People’s Republic of China
| | - Yaozhi Zhang
- School of Chinese Pharmacy, Beijing University of Chinese Medicine, Beijing, 102488, People’s Republic of China
| | - Haimin Lei
- School of Chinese Pharmacy, Beijing University of Chinese Medicine, Beijing, 102488, People’s Republic of China
| | - Penglong Wang
- School of Chinese Pharmacy, Beijing University of Chinese Medicine, Beijing, 102488, People’s Republic of China
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12
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Afrasiabi S, Partoazar A, Chiniforush N. In vitro study of nanoliposomes containing curcumin and doxycycline for enhanced antimicrobial photodynamic therapy against Aggregatibacter actinomycetemcomitans. Sci Rep 2023; 13:11552. [PMID: 37464015 DOI: 10.1038/s41598-023-38812-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2023] [Accepted: 07/15/2023] [Indexed: 07/20/2023] Open
Abstract
The excessive inappropriate use of systemic antibiotics has contributed to the emergence of antibiotic-resistant pathogens, which pose a significant risk to the success of treatment. This study has approached this problem by developing doxycycline-loaded liposome doped with curcumin (NL-Cur+Dox) for combination antibacterial therapy against Aggregatibacter actinomycetemcomitans. The characterization of formulation revealed encapsulation of both drugs in NL-Cur+Dox with an average size of 239 nm and sustained release behavior. Transmission electron microscopy analysis confirmed the vesicular-shaped nanocarriers without any aggregation or crystallization. The cytotoxic and hemolytic activities of NL-Cur+Dox were evaluated. The anti-biofilm and anti-metabolic effects of NL-Cur+Dox -mediated antimicrobial photodynamic therapy (aPDT) were examined. The data indicated that NL-Cur+Dox -mediated aPDT led to a significant reduction of biofilm (82.7%, p = 0.003) and metabolic activity (75%, p < 0.001) of A. actinomycetemcomitans compared to the control. NL-Cur+Dox had no significant cytotoxicity to human gingival fibroblast cells under selected conditions (p = 0.074). In addition, the hemolytic activity of NL-Cur+Dox were negligible (< 5%). These findings demonstrate the potential application of such potent formulations in reducing one of the main bacteria causing periodontitis where the NL-Cur+Dox could be exploited to achieve an improved phototherapeutic efficiency.
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Affiliation(s)
- Shima Afrasiabi
- Laser Research Center of Dentistry, Dentistry Research Institute, Tehran University of Medical Sciences, Tehran, Iran
| | - Alireza Partoazar
- Experimental Medicine Research Center, Tehran University of Medical Sciences, Tehran, Iran
| | - Nasim Chiniforush
- Laser Research Center of Dentistry, Dentistry Research Institute, Tehran University of Medical Sciences, Tehran, Iran.
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13
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Ji Y, He R. Bacterial Inhibition Mechanism of Rhamnolipid-Modified β-Carotene/Rutinoside Complex Liposomes. Indian J Microbiol 2023; 63:222-229. [PMID: 37325019 PMCID: PMC10267087 DOI: 10.1007/s12088-023-01077-6] [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: 02/17/2023] [Accepted: 03/09/2023] [Indexed: 06/17/2023] Open
Abstract
In this study, a new cholesterol-free delivery system named RL-βC-Rts was developed using rhamnolipid (RL) as the surfactant and encapsulating both β-carotene (βC) and rutinoside (Rts). The purpose was to examine its antibacterial properties against four food-borne pathogenic microorganisms including Escherichia coli (E. coli), Staphylococcus aureus (S. aureus), Listeria monocytogenes (L. m), and Salmonella typhimurium (S. typhimurium) and to investigate the mechanism behind the inhibition. Results from bacterial viability tests and minimum inhibitory concentration (MIC) showed RL-βC-Rts possessed antibacterial activity. Upon further examination of the cell membrane potential, it was observed that E. coli, S. aureus, L. m, and S. typhimurium exhibited a reduction in mean fluorescence intensity by 50.17%, 34.07%, 34.12%, and 47.05%, respectively. These decreases suggested damage to the structure of the cell membrane, which subsequently resulted in the discharge of proteins from the bacteria and the consequential impairment of crucial functions. This was supported by alterations in protein concentration. The results of the RT-qPCR showcased that the expression of genes associated with energy metabolism, tricarboxylic acid cycle, DNA metabolism, virulence factor formation and cell membrane formation could be suppressed by RL-βC-Rts. Supplementary Information The online version contains supplementary material available at 10.1007/s12088-023-01077-6.
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Affiliation(s)
- Ying Ji
- College of Food Science and Engineering, Collaborative Innovation Center for Modern Grain Circulation and Safety, Key Laboratory of Grains and Oils Quality Control and Processing, Nanjing University of Finance and Economics, Nanjing, 210023 China
| | - Rong He
- College of Food Science and Engineering, Collaborative Innovation Center for Modern Grain Circulation and Safety, Key Laboratory of Grains and Oils Quality Control and Processing, Nanjing University of Finance and Economics, Nanjing, 210023 China
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14
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Li S, Wang Y, Wang S, Xie J, Fu T, Li S. In situ gelling hydrogel loaded with berberine liposome for the treatment of biofilm-infected wounds. Front Bioeng Biotechnol 2023; 11:1189010. [PMID: 37324421 PMCID: PMC10266532 DOI: 10.3389/fbioe.2023.1189010] [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: 03/18/2023] [Accepted: 05/22/2023] [Indexed: 06/17/2023] Open
Abstract
Background: In recent years, the impact of bacterial biofilms on traumatic wounds and the means to combat them have become a major research topic in the field of medicine. The eradication of biofilms formed by bacterial infections in wounds has always been a huge challenge. Herein, we developed a hydrogel with the active ingredient berberine hydrochloride liposomes to disrupt the biofilm and thereby accelerate the healing of infected wounds in mice. Methods: We determined the ability of berberine hydrochloride liposomes to eradicate the biofilm by means of studies such as crystalline violet staining, measuring the inhibition circle, and dilution coating plate method. Encouraged by the in vitro efficacy, we chose to coat the berberine hydrochloride liposomes on the Poloxamer range of in-situ thermosensitive hydrogels to allow fuller contact with the wound surface and sustained efficacy. Eventually, relevant pathological and immunological analyses were carried out on wound tissue from mice treated for 14 days. Results: The final results show that the number of wound tissue biofilms decreases abruptly after treatment and that the various inflammatory factors in them are significantly reduced within a short period. In the meantime, the number of collagen fibers in the treated wound tissue, as well as the proteins involved in healing in the wound tissue, showed significant differences compared to the model group. Conclusion: From the results, we found that berberine liposome gel can accelerate wound healing in Staphylococcus aureus infections by inhibiting the inflammatory response and promoting re-epithelialization as well as vascular regeneration. Our work exemplifies the efficacy of liposomal isolation of toxins. This innovative antimicrobial strategy opens up new perspectives for tackling drug resistance and fighting wound infections.
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Affiliation(s)
- Sipan Li
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, China
| | - Yongan Wang
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, China
| | - Siting Wang
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, China
| | - Jianjun Xie
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, China
| | - Tingming Fu
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, China
| | - Shaoguang Li
- Microsurgery Department of Senior Department of Orthopedics, The Fourth Medical Center of PLA General Hospital, Beijing, China
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15
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Makhlouf Z, Ali AA, Al-Sayah MH. Liposomes-Based Drug Delivery Systems of Anti-Biofilm Agents to Combat Bacterial Biofilm Formation. Antibiotics (Basel) 2023; 12:antibiotics12050875. [PMID: 37237778 DOI: 10.3390/antibiotics12050875] [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: 04/15/2023] [Revised: 05/02/2023] [Accepted: 05/04/2023] [Indexed: 05/28/2023] Open
Abstract
All currently approved antibiotics are being met by some degree of resistance by the bacteria they target. Biofilm formation is one of the crucial enablers of bacterial resistance, making it an important bacterial process to target for overcoming antibiotic resistance. Accordingly, several drug delivery systems that target biofilm formation have been developed. One of these systems is based on lipid-based nanocarriers (liposomes), which have shown strong efficacy against biofilms of bacterial pathogens. Liposomes come in various types, namely conventional (charged or neutral), stimuli-responsive, deformable, targeted, and stealth. This paper reviews studies employing liposomal formulations against biofilms of medically salient gram-negative and gram-positive bacterial species reported recently. When it comes to gram-negative species, liposomal formulations of various types were reported to be efficacious against Pseudomonas aeruginosa, Escherichia coli, Acinetobacter baumannii, and members of the genera Klebsiella, Salmonella, Aeromonas, Serratia, Porphyromonas, and Prevotella. A range of liposomal formulations were also effective against gram-positive biofilms, including mostly biofilms of Staphylococcal strains, namely Staphylococcus aureus, Staphylococcus epidermidis, and Staphylococcus saprophyticus subspecies bovis, followed by Streptococcal strains (pneumonia, oralis, and mutans), Cutibacterium acnes, Bacillus subtilis, Mycobacterium avium, Mycobacterium avium subsp. hominissuis, Mycobacterium abscessus, and Listeria monocytogenes biofilms. This review outlines the benefits and limitations of using liposomal formulations as means to combat different multidrug-resistant bacteria, urging the investigation of the effects of bacterial gram-stain on liposomal efficiency and the inclusion of pathogenic bacterial strains previously unstudied.
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Affiliation(s)
- Zinb Makhlouf
- Department of Biology, Chemistry and Environmental Sciences, American University of Sharjah, Sharjah P.O. Box 26666, United Arab Emirates
| | - Amaal Abdulraqeb Ali
- Biomedical Engineering Program, American University of Sharjah, Sharjah P.O. Box 26666, United Arab Emirates
| | - Mohammad Hussein Al-Sayah
- Department of Biology, Chemistry and Environmental Sciences, American University of Sharjah, Sharjah P.O. Box 26666, United Arab Emirates
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16
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Li M, Yu J, Guo G, Shen H. Interactions between Macrophages and Biofilm during Staphylococcus aureus-Associated Implant Infection: Difficulties and Solutions. J Innate Immun 2023; 15:499-515. [PMID: 37011602 PMCID: PMC10315156 DOI: 10.1159/000530385] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2022] [Accepted: 03/16/2023] [Indexed: 04/05/2023] Open
Abstract
Staphylococcus aureus (S. aureus) biofilm is the major cause of failure of implant infection treatment that results in heavy social and economic burden on individuals, families, and communities. Planktonic S. aureus attaches to medical implant surfaces where it proliferates and is wrapped by extracellular polymeric substances, forming a solid and complex biofilm. This provides a stable environment for bacterial growth, infection maintenance, and diffusion and protects the bacteria from antimicrobial agents and the immune system of the host. Macrophages are an important component of the innate immune system and resist pathogen invasion and infection through phagocytosis, antigen presentation, and cytokine secretion. The persistence, spread, or clearance of infection is determined by interplay between macrophages and S. aureus in the implant infection microenvironment. In this review, we discuss the interactions between S. aureus biofilm and macrophages, including the effects of biofilm-related bacteria on the macrophage immune response, roles of myeloid-derived suppressor cells during biofilm infection, regulation of immune cell metabolic patterns by the biofilm environment, and immune evasion strategies adopted by the biofilm against macrophages. Finally, we summarize the current methods that support macrophage-mediated removal of biofilms and emphasize the importance of considering multi-dimensions and factors related to implant-associated infection such as immunity, metabolism, the host, and the pathogen when developing new treatments.
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Affiliation(s)
- Mingzhang Li
- Department of Orthopaedics, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Jinlong Yu
- Department of Orthopaedics, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Geyong Guo
- Department of Orthopaedics, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Hao Shen
- Department of Orthopaedics, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
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17
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Qu S, Zhu K. Endocytosis-mediated redistribution of antibiotics targets intracellular bacteria. NANOSCALE 2023; 15:4781-4794. [PMID: 36779877 DOI: 10.1039/d2nr05421c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
The increasing emergence and dissemination of antibiotic resistance pose a severe threat to overwhelming healthcare practices worldwide. The lack of new antibacterial drugs urgently calls for alternative therapeutic strategies to combat multidrug-resistant (MDR) bacterial pathogens, especially those that survive and replicate in host cells, causing relapse and recurrence of infections. Intracellular drug delivery is a direct efficient strategy to combat invasive pathogens by increasing the accumulation of antibiotics. However, the increased accumulation of antibiotics in the infected host cells does not mean high efficacy. The difficulty of treatment lies in the efficient intracellular delivery of antibiotics to the pathogen-containing compartments. Here, we first briefly review the survival mechanisms of intracellular bacteria to facilitate the exploration of potential antibacterial targets for precise delivery. Furthermore, we provide an overview of endocytosis-mediated drug delivery systems, including the biomedical and physicochemical properties modulating the endocytosis and intracellular redistribution of antibiotics. Lastly, we summarize the targets and payloads of recently described intracellular delivery systems and their modes of action against diverse pathogenic bacteria-associated infections. This overview of endocytosis-mediated redistribution of antibiotics sheds light on the development of novel delivery platforms and alternative strategies to combat intracellular bacterial pathogens.
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Affiliation(s)
- Shaoqi Qu
- Animal-Derived Food Safety Innovation Team, College of Animal Science and Technology, Anhui Agricultural University, Hefei, Anhui 230036, China
| | - Kui Zhu
- Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou 510642, China.
- Engineering Research Center of Animal Innovative drugs and Safety Evaluation, Ministry of Education, College of Veterinary Medicine, China Agricultural University, Beijing 100193, China
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18
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Wang T, Li Y, Liu Y, Xu Z, Wen M, Zhang L, Xue Y, Shang L. Highly biocompatible Ag nanocluster-reinforced wound dressing with long-term and synergistic bactericidal activity. J Colloid Interface Sci 2023; 633:851-865. [PMID: 36495807 DOI: 10.1016/j.jcis.2022.11.139] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2022] [Revised: 11/21/2022] [Accepted: 11/27/2022] [Indexed: 11/30/2022]
Abstract
Clinical application of antibiotic-free agents like silver nanoparticle-derived materials remains a critical challenge due to their limited long-term antibacterial activity and potential system toxicity. Herein, a highly biocompatible Ag nanocluster-reinforced hydrogel with enhanced synergistic antibacterial ability has been developed. Specifically, bioactive curcumin was incorporated into lysozyme-protected ultrasmall Ag nanoclusters (LC-AgNCs) and further integrated with sodium alginate (Sa) hydrogel (LC-AgNCs@Sa) through multiple interaction forces. Due to the synergistic antibacterial activity, LC-AgNCs could effectively kill both S. aureus and E. coli bacteria with a concentration down to 2.5 μg mL-1. In-depth mechanism investigations revealed that the bactericidal effect of LC-AgNCs lies in their bacterial membrane destruction, reactive oxygen species (ROS) production, glutathione depletion and prooxidant-antioxidant system disruption ability. Curcumin can mediate the intracellular ROS balance to protect NIH 3T3 cells from oxidative stress and improve the biocompatibility of LC-AgNCs@Sa. LC-AgNCs@Sa with long-term antibacterial ability can effectively protect the wound from bacterial invasion in vivo, and significantly accelerate the wound healing process due to their distinctive functions of inhibiting inflammatory factor (TNF-α) production, promoting collagen deposit and facilitating re-epithelization. This study provides a new, versatile strategy for the design of high-performance antibacterial dressing for broad infectious disease therapy.
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Affiliation(s)
- Tianyi Wang
- State Key Laboratory of Solidification Processing, School of Materials Science and Engineering, Northwestern Polytechnical University and Shaanxi Joint Laboratory of Graphene (NPU), Xi'an 710072, China
| | - Yixiao Li
- State Key Laboratory of Solidification Processing, School of Materials Science and Engineering, Northwestern Polytechnical University and Shaanxi Joint Laboratory of Graphene (NPU), Xi'an 710072, China
| | - Yinuo Liu
- Queen Mary University of London Engineering School, Northwestern Polytechnical University, Xi'an 710072, China
| | - Ziqi Xu
- State Key Laboratory of Solidification Processing, School of Materials Science and Engineering, Northwestern Polytechnical University and Shaanxi Joint Laboratory of Graphene (NPU), Xi'an 710072, China
| | - Mengyao Wen
- State Key Laboratory of Solidification Processing, School of Materials Science and Engineering, Northwestern Polytechnical University and Shaanxi Joint Laboratory of Graphene (NPU), Xi'an 710072, China
| | - Lianbing Zhang
- School of Life Sciences, Northwestern Polytechnical University, Xi'an 710072, China
| | - Yumeng Xue
- State Key Laboratory of Solidification Processing, School of Materials Science and Engineering, Northwestern Polytechnical University and Shaanxi Joint Laboratory of Graphene (NPU), Xi'an 710072, China.
| | - Li Shang
- State Key Laboratory of Solidification Processing, School of Materials Science and Engineering, Northwestern Polytechnical University and Shaanxi Joint Laboratory of Graphene (NPU), Xi'an 710072, China; NPU-QMUL Joint Research Institute of Advanced Materials and Structures (JRI-AMAS), Northwestern Polytechnical University, Xi'an 710072, China.
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19
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Exploring Possible Ways to Enhance the Potential and Use of Natural Products through Nanotechnology in the Battle against Biofilms of Foodborne Bacterial Pathogens. Pathogens 2023; 12:pathogens12020270. [PMID: 36839543 PMCID: PMC9967150 DOI: 10.3390/pathogens12020270] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2022] [Revised: 01/30/2023] [Accepted: 02/01/2023] [Indexed: 02/10/2023] Open
Abstract
Biofilms enable pathogenic bacteria to survive in unfavorable environments. As biofilm-forming pathogens can cause rapid food spoilage and recurrent infections in humans, especially their presence in the food industry is problematic. Using chemical disinfectants in the food industry to prevent biofilm formation raises serious health concerns. Further, the ability of biofilm-forming bacterial pathogens to tolerate disinfection procedures questions the traditional treatment methods. Thus, there is a dire need for alternative treatment options targeting bacterial pathogens, especially biofilms. As clean-label products without carcinogenic and hazardous potential, natural compounds with growth and biofilm-inhibiting and biofilm-eradicating potentials have gained popularity as natural preservatives in the food industry. However, the use of these natural preservatives in the food industry is restricted by their poor availability, stability during food processing and storage. Also there is a lack of standardization, and unattractive organoleptic qualities. Nanotechnology is one way to get around these limitations and as well as the use of underutilized bioactives. The use of nanotechnology has several advantages including traversing the biofilm matrix, targeted drug delivery, controlled release, and enhanced bioavailability, bioactivity, and stability. The nanoparticles used in fabricating or encapsulating natural products are considered as an appealing antibiofilm strategy since the nanoparticles enhance the activity of the natural products against biofilms of foodborne bacterial pathogens. Hence, this literature review is intended to provide a comprehensive analysis of the current methods in nanotechnology used for natural products delivery (biofabrication, encapsulation, and nanoemulsion) and also discuss the different promising strategies employed in the recent and past to enhance the inhibition and eradication of foodborne bacterial biofilms.
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20
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Hemmingsen LM, Giordani B, Paulsen MH, Vanić Ž, Flaten GE, Vitali B, Basnet P, Bayer A, Strøm MB, Škalko-Basnet N. Tailored anti-biofilm activity - Liposomal delivery for mimic of small antimicrobial peptide. BIOMATERIALS ADVANCES 2023; 145:213238. [PMID: 36527962 DOI: 10.1016/j.bioadv.2022.213238] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/24/2022] [Revised: 11/18/2022] [Accepted: 12/06/2022] [Indexed: 12/14/2022]
Abstract
The eradication of bacteria embedded in biofilms is among the most challenging obstacles in the management of chronic wounds. These biofilms are found in most chronic wounds; moreover, the biofilm-embedded bacteria are considerably less susceptible to conventional antimicrobial treatment than the planktonic bacteria. Antimicrobial peptides and their mimics are considered attractive candidates in the pursuit of novel therapeutic options for the treatment of chronic wounds and general bacterial eradication. However, some limitations linked to these membrane-active antimicrobials are making their clinical use challenging. Novel innovative delivery systems addressing these limitations represent a smart solution. We hypothesized that incorporation of a novel synthetic mimic of an antimicrobial peptide in liposomes could improve its anti-biofilm effect as well as the anti-inflammatory activity. The small synthetic mimic of an antimicrobial peptide, 7e-SMAMP, was incorporated into liposomes (~280 nm) tailored for skin wounds and evaluated for its potential activity against both biofilm formation and eradication of pre-formed biofilms. The 7e-SMAMP-liposomes significantly lowered inflammatory response in murine macrophages (~30 % reduction) without affecting the viability of macrophages or keratinocytes. Importantly, the 7e-SMAMP-liposomes completely eradicated biofilms produced by Staphylococcus aureus and Escherichia coli above concentrations of 6.25 μg/mL, whereas in Pseudomonas aeruginosa the eradication reached 75 % at the same concentration. Incorporation of 7e-SMAMP in liposomes improved both the inhibition of biofilm formation as well as biofilm eradication in vitro, as compared to non-formulated antimicrobial, therefore confirming its potential as a novel therapeutic option for bacteria-infected chronic wounds.
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Affiliation(s)
- Lisa Myrseth Hemmingsen
- Drug Transport and Delivery Research Group, Department of Pharmacy, University of Tromsø The Arctic University of Norway, Universitetsvegen 57, N-9037 Tromsø, Norway
| | - Barbara Giordani
- Beneficial Microbes Research Group, Department of Pharmacy and Biotechnology, University of Bologna, Via San Donato 19/2, 40127 Bologna, Italy
| | - Marianne H Paulsen
- Department of Chemistry, University of Tromsø The Arctic University of Norway, Universitetsvegen 57, N-9037 Tromsø, Norway; Natural Products and Medicinal Chemistry Research Group, Department of Pharmacy, University of Tromsø The Arctic University of Norway, Universitetsvegen 57, N-9037 Tromsø, Norway
| | - Željka Vanić
- Department of Pharmaceutical Technology, Faculty of Pharmacy and Biochemistry, University of Zagreb, A. Kovačića 1, 10 000 Zagreb, Croatia
| | - Gøril Eide Flaten
- Drug Transport and Delivery Research Group, Department of Pharmacy, University of Tromsø The Arctic University of Norway, Universitetsvegen 57, N-9037 Tromsø, Norway
| | - Beatrice Vitali
- Beneficial Microbes Research Group, Department of Pharmacy and Biotechnology, University of Bologna, Via San Donato 19/2, 40127 Bologna, Italy
| | - Purusotam Basnet
- Women's Health and Perinatology Research Group, Department of Clinical Medicine, University of Tromsø The Arctic University of Norway, Universitetsveien 57, N-9037 Tromsø, Norway
| | - Annette Bayer
- Department of Chemistry, University of Tromsø The Arctic University of Norway, Universitetsvegen 57, N-9037 Tromsø, Norway
| | - Morten B Strøm
- Natural Products and Medicinal Chemistry Research Group, Department of Pharmacy, University of Tromsø The Arctic University of Norway, Universitetsvegen 57, N-9037 Tromsø, Norway
| | - Nataša Škalko-Basnet
- Drug Transport and Delivery Research Group, Department of Pharmacy, University of Tromsø The Arctic University of Norway, Universitetsvegen 57, N-9037 Tromsø, Norway.
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21
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Zhao Y, Yang J, Hao D, Xie R, Jia L, Yang M, Ma H, Wang P, Yang W, Sui F, Zhao H, Chen Y, Zhao Q. Infection Microenvironment-Sensitive Photothermal Nanotherapeutic Platform to Inhibit Methicillin-Resistant Staphylococcus aureus Infection. Macromol Biosci 2023; 23:e2200430. [PMID: 36478660 DOI: 10.1002/mabi.202200430] [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: 10/12/2022] [Revised: 11/27/2022] [Indexed: 12/12/2022]
Abstract
Methicillin-resistant Staphylococcus aureus (MRSA) can induce multiple inflammations. The biofilm formed by MRSA is resistant to a variety of antibiotics and is extremely difficult to cure, which seriously threatens human health. Herein, a nanoparticle encapsulating berberine with polypyrrole core and pH-sensitive shell to provide chemo-photothermal dual therapy for MRSA infection is reported. By integrating photothermal agent polypyrrole, berberine, acid-degradable crosslinker, and acid-induced charge reversal polymer, the nanoparticle exhibited highly efficient MRSA infection treatment. In normal uninfected areas and bloodstream, nanoparticles showed negatively charged, demonstrating high biocompatibility and excellent hemocompatibility. However, once arriving at the MRSA infection site, the nanoparticle can penetrate and accumulate in the biofilm within 2 h. Simultaneously, berberine can be released into biofilm rapidly. Under the combined effect of photothermal response and berberine inhibition, 88.7% of the biofilm is removed at 1000 µg mL-1 . Moreover, the nanoparticles have an excellent inhibitory effect on biofilm formation, the biofilm inhibition capacity can reach up to 90.3%. Taken together, this pH-tunable nanoparticle can be employed as a new generation treatment strategy to fight against the fast-growing MRSA infection.
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Affiliation(s)
- Yu Zhao
- Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing, 100700, China
| | - Jiaying Yang
- Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing, 100700, China
| | - Danli Hao
- Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing, 100700, China
| | - Ran Xie
- Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing, 100700, China
| | - Lingyu Jia
- Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing, 100700, China
| | - Miyi Yang
- Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing, 100700, China
| | - Hai Ma
- Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing, 100700, China
| | - Pengqian Wang
- Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing, 100700, China
| | - Weipeng Yang
- Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing, 100700, China
| | - Feng Sui
- Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing, 100700, China
| | - Haiyu Zhao
- Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing, 100700, China
| | - Yanjun Chen
- Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing, 100700, China
| | - Qinghe Zhao
- Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing, 100700, China
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Berberine in Sepsis: Effects, Mechanisms, and Therapeutic Strategies. J Immunol Res 2023; 2023:4452414. [PMID: 36741234 PMCID: PMC9891819 DOI: 10.1155/2023/4452414] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2022] [Revised: 09/10/2022] [Accepted: 10/10/2022] [Indexed: 01/26/2023] Open
Abstract
Sepsis is defined as a dysregulated immune response to infection that leads to multiple organ dysfunction. To date, though a growing body of knowledge has gained insight into the clinical risk factors, pathobiology, treatment response, and recovery methods, sepsis remains a significant concern and clinical burden. Therefore, further study is urgently needed to alleviate the acute and chronic outcomes. Berberine (BBR), a traditional Chinese medicine with multiple actions and mechanisms, has been investigated in cellular and rodent animal models of sepsis mainly based on its anti-inflammatory effect. However, the practical application of BBR in sepsis is still lacking, and it is imperative to systematically summarize the study of BBR in sepsis. This review summarized its pharmacological activities and mechanisms in septic-related organ injuries and the potential BBR-based therapeutic strategies for sepsis, which will provide comprehensive references for scientific research and clinical application.
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Regulation of Staphylococcus aureus Virulence and Application of Nanotherapeutics to Eradicate S. aureus Infection. Pharmaceutics 2023; 15:pharmaceutics15020310. [PMID: 36839634 PMCID: PMC9960757 DOI: 10.3390/pharmaceutics15020310] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2022] [Revised: 01/11/2023] [Accepted: 01/13/2023] [Indexed: 01/19/2023] Open
Abstract
Staphylococcus aureus is a versatile pathogen known to cause hospital- and community-acquired, foodborne, and zoonotic infections. The clinical infections by S. aureus cause an increase in morbidity and mortality rates and treatment costs, aggravated by the emergence of drug-resistant strains. As a multi-faceted pathogen, it is imperative to consolidate the knowledge on its pathogenesis, including the mechanisms of virulence regulation, development of antimicrobial resistance, and biofilm formation, to make it amenable to different treatment strategies. Nanomaterials provide a suitable platform to address this challenge, with the potential to control intracellular parasitism and multidrug resistance where conventional therapies show limited efficacy. In a nutshell, the first part of this review focuses on the impact of S. aureus on human health and the role of virulence factors and biofilms during pathogenesis. The second part discusses the large diversity of nanoparticles and their applications in controlling S. aureus infections, including combination with antibiotics and phytochemicals and the incorporation of antimicrobial coatings for biomaterials. Finally, the limitations and prospects using nanomaterials are highlighted, aiming to foster the development of novel nanotechnology-driven therapies against multidrug-resistant S. aureus.
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Tuon FF, Suss PH, Telles JP, Dantas LR, Borges NH, Ribeiro VST. Antimicrobial Treatment of Staphylococcus aureus Biofilms. Antibiotics (Basel) 2023; 12:antibiotics12010087. [PMID: 36671287 PMCID: PMC9854895 DOI: 10.3390/antibiotics12010087] [Citation(s) in RCA: 20] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2022] [Revised: 01/01/2023] [Accepted: 01/03/2023] [Indexed: 01/06/2023] Open
Abstract
Staphylococcus aureus is a microorganism frequently associated with implant-related infections, owing to its ability to produce biofilms. These infections are difficult to treat because antimicrobials must cross the biofilm to effectively inhibit bacterial growth. Although some antibiotics can penetrate the biofilm and reduce the bacterial load, it is important to understand that the results of routine sensitivity tests are not always valid for interpreting the activity of different drugs. In this review, a broad discussion on the genes involved in biofilm formation, quorum sensing, and antimicrobial activity in monotherapy and combination therapy is presented that should benefit researchers engaged in optimizing the treatment of infections associated with S. aureus biofilms.
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Affiliation(s)
- Felipe Francisco Tuon
- Laboratory of Emerging Infectious Diseases, School of Medicine, Pontifícia Universidade Católica do Paraná, Curitiba 80215-901, Paraná, Brazil
- Correspondence: ; Tel.: +55-41-98852-1893
| | - Paula Hansen Suss
- Laboratory of Emerging Infectious Diseases, School of Medicine, Pontifícia Universidade Católica do Paraná, Curitiba 80215-901, Paraná, Brazil
| | - Joao Paulo Telles
- AC Camargo Cancer Center, Infectious Diseases Department, São Paulo 01525-001, São Paulo, Brazil
| | - Leticia Ramos Dantas
- Laboratory of Emerging Infectious Diseases, School of Medicine, Pontifícia Universidade Católica do Paraná, Curitiba 80215-901, Paraná, Brazil
| | - Nícolas Henrique Borges
- Laboratory of Emerging Infectious Diseases, School of Medicine, Pontifícia Universidade Católica do Paraná, Curitiba 80215-901, Paraná, Brazil
| | - Victoria Stadler Tasca Ribeiro
- Laboratory of Emerging Infectious Diseases, School of Medicine, Pontifícia Universidade Católica do Paraná, Curitiba 80215-901, Paraná, Brazil
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Feng W, Chittò M, Moriarty TF, Li G, Wang X. Targeted Drug Delivery Systems for Eliminating Intracellular Bacteria. Macromol Biosci 2023; 23:e2200311. [PMID: 36189899 DOI: 10.1002/mabi.202200311] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2022] [Revised: 09/08/2022] [Indexed: 01/19/2023]
Abstract
The intracellular survival of pathogenic bacteria requires a range of survival strategies and virulence factors. These infections are a significant clinical challenge, wherein treatment frequently fails because of poor antibiotic penetration, stability, and retention in host cells. Drug delivery systems (DDSs) are promising tools to overcome these shortcomings and enhance the efficacy of antibiotic therapy. In this review, the classification and the mechanisms of intracellular bacterial persistence are elaborated. Furthermore, the systematic design strategies applied to DDSs to eliminate intracellular bacteria are also described, and the strategies used for internalization, intracellular activation, bacterial targeting, and immune enhancement are highlighted. Finally, this overview provides guidance for constructing functionalized DDSs to effectively eliminate intracellular bacteria.
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Affiliation(s)
- Wenli Feng
- State Key Laboratory of Organic-Inorganic Composites, Beijing Laboratory of Biomedical Materials, Beijing University of Chemical Technology, Beijing, 100029, P. R. China.,AO Research Institute Davos, Davos, 7270, Switzerland
| | - Marco Chittò
- AO Research Institute Davos, Davos, 7270, Switzerland
| | | | - Guofeng Li
- State Key Laboratory of Organic-Inorganic Composites, Beijing Laboratory of Biomedical Materials, Beijing University of Chemical Technology, Beijing, 100029, P. R. China
| | - Xing Wang
- State Key Laboratory of Organic-Inorganic Composites, Beijing Laboratory of Biomedical Materials, Beijing University of Chemical Technology, Beijing, 100029, P. R. China
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Ashar H, Singh A, Ektate K, More S, Ranjan A. Treating methicillin-resistant Staphylococcus aureus (MRSA) bone infection with focused ultrasound combined thermally sensitive liposomes. Int J Hyperthermia 2023; 40:2211278. [PMID: 37437891 DOI: 10.1080/02656736.2023.2211278] [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: 01/20/2023] [Revised: 05/02/2023] [Accepted: 05/02/2023] [Indexed: 07/14/2023] Open
Abstract
OBJECTIVE Chronic bone infection caused by Staphylococcus aureus biofilms in children and adults is characterized by reduced antibiotic sensitivity. In this study, we assessed 'heat-targeted, on-demand' antibiotic delivery for S. aureus killing by combining ciprofloxacin (CIP)-laden low-temperature sensitive liposomes (LTSLs) with local high-intensity focused ultrasound (HIFU) induced bone heating in a rat model of bone infection. METHODS CIP-LTSLs were prepared using the thin-film hydration and extrusion method. Bone infection was established by surgically implanting an orthopedic K-wire colonized with methicillin-resistant S. aureus (MRSA) strain into rat's femurs. For bone heating, ultrasound-guided HIFU exposures were performed to achieve a local temperature of 40-42 °C (∼15 min) concurrently with intravenous injection of CIP-LTSLs or CIP. CIP biodistribution was determined spectrophotometrically and therapeutic efficacy was determined by bacteriological, histological and scanning electron microscopy (SEM) analyses. RESULTS CIP-LTSLs in the range of 183.5 nm ± 1.91 showed an encapsulation efficiency of >70% at 37 °C and a complete release at ∼42 °C. The metal implantation method yielded medullary osteomyelitis characterized by suppurative changes (bacterial and pus pockets) by day 10 in bones and adjoining muscle tissues. HIFU heating significantly improved CIP delivery from LTSLs in bones, resulting in a significant reduction in MRSA load compared to HIFU and CIP alone groups. These were also verified by histology and SEM, wherein a distinct reduction in S. aureus population in the infected metal wires and tissues from the combinatorial therapy was noted. CONCLUSION HIFU improved CIP delivery to bones, achieving clearance of hard-to-treat MRSA biofilms.
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Affiliation(s)
- Harshini Ashar
- Department of Physiological Sciences, College of Veterinary Medicine, OK State University, Stillwater, OK, USA
| | - Akansha Singh
- Department of Physiological Sciences, College of Veterinary Medicine, OK State University, Stillwater, OK, USA
| | - Kalyani Ektate
- Department of Physiological Sciences, College of Veterinary Medicine, OK State University, Stillwater, OK, USA
| | - Sunil More
- Department of Veterinary Pathobiology, College of Veterinary Medicine, Oklahoma State University, Stillwater, OK, USA
| | - Ashish Ranjan
- Department of Physiological Sciences, College of Veterinary Medicine, OK State University, Stillwater, OK, USA
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Xue P, Sang R, Li N, Du S, Kong X, Tai M, Jiang Z, Chen Y. A new approach to overcoming antibiotic-resistant bacteria: Traditional Chinese medicine therapy based on the gut microbiota. Front Cell Infect Microbiol 2023; 13:1119037. [PMID: 37091671 PMCID: PMC10117969 DOI: 10.3389/fcimb.2023.1119037] [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: 12/08/2022] [Accepted: 01/12/2023] [Indexed: 04/25/2023] Open
Abstract
With the irrational use of antibiotics and the increasing abuse of oral antibiotics, the drug resistance of gastrointestinal pathogens has become a prominent problem in clinical practice. Gut microbiota plays an important role in maintaining human health, and the change of microbiota also affects the activity of pathogenic bacteria. Interfering with antibiotic resistant bacteria by affecting gut microbiota has also become an important regulatory signal. In clinical application, due to the unique advantages of traditional Chinese medicine in sterilization and drug resistance, it is possible for traditional Chinese medicine to improve the gut microbial microenvironment. This review discusses the strategies of traditional Chinese medicine for the treatment of drug-resistant bacterial infections by changing the gut microenvironment, unlocking the interaction between microbiota and drug resistance of pathogenic bacteria.
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Affiliation(s)
- Peng Xue
- Medical School of Nantong University, Nantong, Jiangsu, China
| | - Rui Sang
- Center for Basic Medical Research, Medical School of Nantong University, Nantong, Jiangsu, China
| | - Nan Li
- Department of Histology and Embryology, Medical College, Nantong University, Nantong, Jiangsu, China
| | - Siyuan Du
- Medical School of Nantong University, Nantong, Jiangsu, China
| | - Xiuwen Kong
- Medical School of Nantong University, Nantong, Jiangsu, China
| | - Mingliang Tai
- Medical School of Nantong University, Nantong, Jiangsu, China
| | - Zhihao Jiang
- Center for Basic Medical Research, Medical School of Nantong University, Nantong, Jiangsu, China
| | - Ying Chen
- Department of Histology and Embryology, Medical College, Nantong University, Nantong, Jiangsu, China
- *Correspondence: Ying Chen,
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Su Y, Yrastorza JT, Matis M, Cusick J, Zhao S, Wang G, Xie J. Biofilms: Formation, Research Models, Potential Targets, and Methods for Prevention and Treatment. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2022; 9:e2203291. [PMID: 36031384 PMCID: PMC9561771 DOI: 10.1002/advs.202203291] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/03/2022] [Revised: 07/31/2022] [Indexed: 05/28/2023]
Abstract
Due to the continuous rise in biofilm-related infections, biofilms seriously threaten human health. The formation of biofilms makes conventional antibiotics ineffective and dampens immune clearance. Therefore, it is important to understand the mechanisms of biofilm formation and develop novel strategies to treat biofilms more effectively. This review article begins with an introduction to biofilm formation in various clinical scenarios and their corresponding therapy. Established biofilm models used in research are then summarized. The potential targets which may assist in the development of new strategies for combating biofilms are further discussed. The novel technologies developed recently for the prevention and treatment of biofilms including antimicrobial surface coatings, physical removal of biofilms, development of new antimicrobial molecules, and delivery of antimicrobial agents are subsequently presented. Finally, directions for future studies are pointed out.
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Affiliation(s)
- Yajuan Su
- Department of Surgery‐Transplant and Mary & Dick Holland Regenerative Medicine ProgramCollege of MedicineUniversity of Nebraska Medical CenterOmahaNE68198USA
| | - Jaime T. Yrastorza
- Department of Surgery‐Transplant and Mary & Dick Holland Regenerative Medicine ProgramCollege of MedicineUniversity of Nebraska Medical CenterOmahaNE68198USA
| | - Mitchell Matis
- Department of Surgery‐Transplant and Mary & Dick Holland Regenerative Medicine ProgramCollege of MedicineUniversity of Nebraska Medical CenterOmahaNE68198USA
| | - Jenna Cusick
- Department of Surgery‐Transplant and Mary & Dick Holland Regenerative Medicine ProgramCollege of MedicineUniversity of Nebraska Medical CenterOmahaNE68198USA
| | - Siwei Zhao
- Department of Surgery‐Transplant and Mary & Dick Holland Regenerative Medicine ProgramCollege of MedicineUniversity of Nebraska Medical CenterOmahaNE68198USA
| | - Guangshun Wang
- Department of Pathology and MicrobiologyCollege of MedicineUniversity of Nebraska Medical CenterOmahaNE68198USA
| | - Jingwei Xie
- Department of Surgery‐Transplant and Mary & Dick Holland Regenerative Medicine ProgramCollege of MedicineUniversity of Nebraska Medical CenterOmahaNE68198USA
- Department of Mechanical and Materials EngineeringCollege of EngineeringUniversity of Nebraska‐LincolnLincolnNE68588USA
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Hr R, Jagwani S, Shenoy PA, Jadhav K, Shaikh S, Mutalik SP, Mullick P, Mutalik S, Jalalpure S, Sikarwar MS, Dhamecha D. Thermoreversible gel of green tea extract: Formulation and evaluation for the management of periodontitis. J Drug Deliv Sci Technol 2022. [DOI: 10.1016/j.jddst.2022.103765] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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30
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Chi Y, Wang Y, Ji M, Li Y, Zhu H, Yan Y, Fu D, Zou L, Ren B. Natural products from traditional medicine as promising agents targeting at different stages of oral biofilm development. Front Microbiol 2022; 13:955459. [PMID: 36033896 PMCID: PMC9411938 DOI: 10.3389/fmicb.2022.955459] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2022] [Accepted: 07/25/2022] [Indexed: 11/23/2022] Open
Abstract
Oral cavity is an ideal habitat for more than 1,000 species of microorganisms. The diverse oral microbes form biofilms over the hard and soft tissues in the oral cavity, affecting the oral ecological balance and the development of oral diseases, such as caries, apical periodontitis, and periodontitis. Currently, antibiotics are the primary agents against infectious diseases; however, the emergence of drug resistance and the disruption of oral microecology have challenged their applications. The discovery of new antibiotic-independent agents is a promising strategy against biofilm-induced infections. Natural products from traditional medicine have shown potential antibiofilm activities in the oral cavity with high safety, cost-effectiveness, and minimal adverse drug reactions. Aiming to highlight the importance and functions of natural products from traditional medicine against oral biofilms, here we summarized and discussed the antibiofilm effects of natural products targeting at different stages of the biofilm formation process, including adhesion, proliferation, maturation, and dispersion, and their effects on multi-species biofilms. The perspective of antibiofilm agents for oral infectious diseases to restore the balance of oral microecology is also discussed.
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Affiliation(s)
- Yaqi Chi
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Department of Endodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Ye Wang
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Department of Endodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Mengzhen Ji
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Department of Endodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Yanyao Li
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Department of Endodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Hualing Zhu
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Department of Endodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Yujia Yan
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Department of Endodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Di Fu
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Department of Endodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Ling Zou
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Department of Endodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, China
- *Correspondence: Ling Zou,
| | - Biao Ren
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
- Biao Ren,
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Ashrafizadeh M, Delfi M, Zarrabi A, Bigham A, Sharifi E, Rabiee N, Paiva-Santos AC, Kumar AP, Tan SC, Hushmandi K, Ren J, Zare EN, Makvandi P. Stimuli-responsive liposomal nanoformulations in cancer therapy: Pre-clinical & clinical approaches. J Control Release 2022; 351:50-80. [PMID: 35934254 DOI: 10.1016/j.jconrel.2022.08.001] [Citation(s) in RCA: 50] [Impact Index Per Article: 25.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2022] [Revised: 07/31/2022] [Accepted: 08/01/2022] [Indexed: 11/30/2022]
Abstract
The site-specific delivery of antitumor agents is of importance for providing effective cancer suppression. Poor bioavailability of anticancer compounds and the presence of biological barriers prevent their accumulation in tumor sites. These obstacles can be overcome using liposomal nanostructures. The challenges in cancer chemotherapy and stimuli-responsive nanocarriers are first described in the current review. Then, stimuli-responsive liposomes including pH-, redox-, enzyme-, light-, thermo- and magneto-sensitive nanoparticles are discussed and their potential for delivery of anticancer drugs is emphasized. The pH- or redox-sensitive liposomes are based on internal stimulus and release drug in response to a mildly acidic pH and GSH, respectively. The pH-sensitive liposomes can mediate endosomal escape via proton sponge. The multifunctional liposomes responsive to both redox and pH have more capacity in drug release at tumor site compared to pH- or redox-sensitive alone. The magnetic field and NIR irradiation can be exploited for external stimulation of liposomes. The light-responsive liposomes release drugs when they are exposed to irradiation; thermosensitive-liposomes release drugs at a temperature of >40 °C when there is hyperthermia; magneto-responsive liposomes release drugs in presence of magnetic field. These smart nanoliposomes also mediate co-delivery of drugs and genes in synergistic cancer therapy. Due to lack of long-term toxicity of liposomes, they can be utilized in near future for treatment of cancer patients.
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Affiliation(s)
- Milad Ashrafizadeh
- Faculty of Engineering and Natural Sciences, Sabanci University, Orta Mahalle, Üniversite Caddesi No. 27, Orhanlı, Tuzla, 34956 Istanbul, Turkey.
| | - Masoud Delfi
- Department of Chemical Sciences, University of Naples "Federico II", Complesso Universitario Monte S. Angelo, Via Cintia, Naples 80126, Italy
| | - Ali Zarrabi
- Department of Biomedical Engineering, Faculty of Engineering and Natural Sciences, Istinye University, Istanbul 34396, Turkey
| | - Ashkan Bigham
- Institute of Polymers, Composites and Biomaterials-National Research Council (IPCB-CNR), Viale J.F. Kennedy 54-Mostra d'Oltremare pad. 20, 80125 Naples, Italy
| | - Esmaeel Sharifi
- Department of Tissue Engineering and Biomaterials, School of Advanced Medical Sciences and Technologies, Hamadan University of Medical Sciences, 6517838736 Hamadan, Iran
| | - Navid Rabiee
- Department of Materials Science and Engineering, Pohang University of Science and Technology (POSTECH), 77 Cheongam-ro, Nam-gu, Pohang, Gyeongbuk 37673, South Korea; School of Engineering, Macquarie University, Sydney, New South Wales 2109, Australia
| | - Ana Cláudia Paiva-Santos
- Department of Pharmaceutical Technology, Faculty of Pharmacy of the University of Coimbra, University of Coimbra, Azinhaga Sta. Comba, 3000-548 Coimbra, Portugal; LAQV, REQUIMTE, Department of Pharmaceutical Technology, Faculty of Pharmacy of the University of Coimbra, University of Coimbra, Azinhaga Sta. Comba, 3000-548 Coimbra, Portugal
| | - Alan Prem Kumar
- NUS Centre for Cancer Research (N2CR), Yong Loo Lin School of Medicine, National University of Singapore, Singapore 117600, Singapore; Cancer Science Institute of Singapore and Department of Pharmacology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore 117599, Singapore
| | - Shing Cheng Tan
- UKM Medical Molecular Biology Institute, Universiti Kebangsaan Malaysia, Kuala Lumpur, Malaysia
| | - Kiavash Hushmandi
- Department of Food Hygiene and Quality Control, Division of Epidemiology and zoonosis, Faculty of Veterinary Medicine, University of Tehran, Tehran, Iran
| | - Jun Ren
- Department of Cardiology, Zhongshan Hospital Fudan University, Shanghai 200032, China
| | | | - Pooyan Makvandi
- School of Chemistry, Damghan University, Damghan 36716-41167, Iran; Istituto Italiano di Tecnologia, Center for Materials Interfaces, viale Rinaldo Piaggio 34, 56025, Pontedera, Pisa, Italy.
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Wu S, Yang K, Hong Y, Gong Y, Ni J, Yang N, Ding W. A New Perspective on the Antimicrobial Mechanism of Berberine Hydrochloride Against Staphylococcus aureus Revealed by Untargeted Metabolomic Studies. Front Microbiol 2022; 13:917414. [PMID: 35910599 PMCID: PMC9328669 DOI: 10.3389/fmicb.2022.917414] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2022] [Accepted: 06/09/2022] [Indexed: 11/24/2022] Open
Abstract
Berberine hydrochloride (BBR) is a natural product widely used in clinical medicine and animal production. It has a variety of antimicrobial effects, but its complex antimicrobial mechanism has not been clarified. This study aimed to discover the metabolic markers and gain a new perspective on the antibacterial mechanism of BBR. The effects of different inhibitory concentrations of BBR on the survival and growth of standard strain Staphylococcus aureus ATCC 25923 were analyzed by the bacteriostatic activity test. Differences in intracellular metabolites of S. aureus following 19 μg/ml BBR exposure for 1 h were investigated by combining non-targeted metabolomics techniques of gas chromatography-mass spectrometry (GC-MS) and liquid chromatography-mass spectrometry (LC-MS). The results showed that the minimum inhibitory concentration of BBR against S. aureus was 51 μg/ml. A total of 368 and 3,454 putative metabolites were identified by GC-MS and LC-MS analyses, respectively. Principal component analysis showed the separation of intracellular metabolite profiles between BBR-exposed samples and non-exposed controls. Pathway activity profiling analysis indicated a global inhibition of metabolisms by BBR exposure, while enhancement was also found in nucleic acid metabolism, amino sugar, and nucleotide sugar metabolism. Several metabolic markers were screened out mainly based on their variable importance of projection values. Two pyridine dicarboxylic acids were significantly downregulated, suggesting the reduction of stress resistance. The oxidized phospholipid (PHOOA-PE) was accumulated, while lipid antioxidant gamma-tocopherol was decreased, and farnesyl PP, the synthetic precursor of another antioxidant (staphyloxanthin), was decreased below the detection threshold. This evidence indicates that BBR reduced the antioxidant capacity of S. aureus. Accumulation of the precursors (UDP-GlcNAc, CDP-ribitol, and CDP-glycerol) and downregulation of the key metabolite D-Ala-D-Ala suggest the inhibition of cell wall synthesis, especially the peptidoglycan synthesis. Metabolites involved in the shikimate pathway (such as 3-dehydroshikimate) and downstream aromatic amino acid synthesis were disturbed. This study provides the first metabolomics information on the antibacterial mechanism of BBR against S. aureus. The key metabolic markers screened in this study suggest that the shikimate pathway, staphyloxanthin synthesis, and peptidoglycan biosynthesis are new directions for further study of BBR antibacterial mechanism in the future.
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Affiliation(s)
- Shu Wu
- School of Basic Medical Sciences, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Kun Yang
- School of Basic Medical Sciences, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Yuhang Hong
- Key Laboratory of Application of Ecology and Environmental Protection in Plateau Wetland of Sichuan, Xichang University, Xichang, China
| | - Yanju Gong
- School of Basic Medical Sciences, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Jiajia Ni
- Research and Development Center, Guangdong Meilikang Bio-Sciences Ltd., Dongguan, China
- Dongguan Key Laboratory of Medical Bioactive Molecular Development and Translational Research, Guangdong Medical University, Dongguan, China
| | - Ni Yang
- School of Basic Medical Sciences, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Weijun Ding
- School of Basic Medical Sciences, Chengdu University of Traditional Chinese Medicine, Chengdu, China
- *Correspondence: Weijun Ding
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Chen F, Liu Q. Demystifying phytoconstituent-derived nanomedicines in their immunoregulatory and therapeutic roles in inflammatory diseases. Adv Drug Deliv Rev 2022; 186:114317. [PMID: 35533788 DOI: 10.1016/j.addr.2022.114317] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2021] [Revised: 04/15/2022] [Accepted: 04/30/2022] [Indexed: 11/28/2022]
Abstract
In the past decades, phytoconstituents have appeared as critical mediators for immune regulations among various diseases, both in eukaryotes and prokaryotes. These bioactive molecules, showing a broad range of biological functions, would hold tremendous promise for developing new therapeutics. The discovery of phytoconstituents' capability of functionally regulating immune cells and associating cytokines, suppressing systemic inflammation, and remodeling immunity have rapidly promoted the idea of their employment as anti-inflammatory agents. In this review, we discuss various roles of phyto-derived medicines in the field of inflammatory diseases, including chronic inflammation, autoimmune diseases, and acute inflammatory disease such as COVID-19. Nevertheless, traditional phyto-derived medicines often concurred with their clinical administration limitations, such as their lack of cell specificity, inefficient cytoplasmic delivery, and rapid clearance by the immune system. As alternatives, phyto-derived nano-approaches may provide significant benefits. Both unmodified and engineered nanocarriers present the potential to serve as phytoconstituent delivery systems to improve therapeutic physio-chemical properties and pharmacokinetic profiles. Thus, the development of phytoconstituents' nano-delivery designs, their new and perspective approaches for therapeutical applications are elaborated herein.
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Affiliation(s)
- Fengqian Chen
- Translational Research Program, Department of Anesthesiology and Center for Shock Trauma Anesthesiology Research, University of Maryland School of Medicine, Baltimore, MD 21201, United States
| | - Qi Liu
- Department of Dermatology, Johns Hopkins University School of Medicine, Cancer Research Building II, Suite 216, 1550 Orleans Street, Baltimore, MD 21231, United States.
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Hypoxia-sensitive adjuvant loaded liposomes enhance the antimicrobial activity of azithromycin via phospholipase-triggered releasing for Pseudomonas aeruginosa biofilms eradication. Int J Pharm 2022; 623:121910. [PMID: 35710071 DOI: 10.1016/j.ijpharm.2022.121910] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2022] [Revised: 06/08/2022] [Accepted: 06/09/2022] [Indexed: 11/23/2022]
Abstract
Robust biofilms and the complex airway environment with thick sputum, local hypoxia and persistent inflammation induce the intractability of chronic pulmonary infections caused by Pseudomonas aeruginosa (P. aeruginosa). Herein, we proposed a type of antibiotic-adjuvant liposomes (NANO@PS-LPs), co-incorporating azithromycin (AZI), adjuvant (2-nitroimidazole derivative, 6-NIH) and biofilm dispersant (nitric oxide donor, DETA NONOate). NANO@PS-LPs possessing negatively-charged surface and good hydrophilicity could easily penetrate through the sputum layer, then disassembled triggered by overexpressed phospholipase A2 (PLA2) in the microenvironment around biofilms. Nitric oxide produced by DETA NONOate promoted P. aeruginosa biofilms dispersal. 6-NIH was reduced to 2-aminomidazole derivative (6-AIH) under a hypoxic condition, and hence acted as an AZI adjuvant to enhance the antibacterial activity of AZI. It was found that NANO@PS-LPs could significantly eliminate mature P. aeruginosa biofilms, effectively kill dispersed bacteria, inhibit the metabolism of survivors and prevent P. aeruginosa adherence to airway epithelial cells, accordingly restrain recurrent infections. Additionally, NANO@PS-LPs performed a remarkable advantage in killing AZI-resistant P. aeruginosa and removing their biofilms. In summary, NANO@PS-LPs present a potential nano-strategy to treat stubborn pseudomonal pulmonary infections and overcome correlative drug resistance.
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Curcumin Displays Enhanced Solubility and Antibacterial Activities When Complexed with the Cell Penetrating Peptide pVEC. Int J Pept Res Ther 2022. [DOI: 10.1007/s10989-022-10415-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Ning Y, Wang X, Chen P, Liu S, Hu J, Xiao R, Li L, Lu F. Targeted inhibition of methicillin-resistant Staphylococcus aureus biofilm formation by a graphene oxide-loaded aptamer/berberine bifunctional complex. Drug Deliv 2022; 29:1675-1683. [PMID: 35616277 PMCID: PMC9154759 DOI: 10.1080/10717544.2022.2079768] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
Abstract
Biofilm formation is known to promote drug resistance in methicillin-resistant Staphylococcus aureus (MRSA), which is closely related to persistent infections in hospital settings. In this study, a DNA aptamer specific to penicillin-binding protein 2a (PBP2a) with a dissociation constant (Kd) of 82.97 ± 8.86 nM was obtained after 14 cycles of systematic evolution of ligands by exponential enrichment (SELEX). Next, a bifunctional complex containing the aptamer intercalated by berberine into the double-strand region was prepared and adsorbed onto the surface of graphene oxide (GO) by π-stacking interactions. The GO-loaded aptamer/berberine bifunctional complex showed significantly higher inhibition of MRSA biofilm formation than the control. Furthermore, this study shows that the complex possesses anti-biofilm activity, which can be attributed to the ability of the aptamer to reduce cell-surface attachment by blocking the function of PBP2a and berberine to attenuate the level of the accessory gene regulator (agr) system, which plays an important role in mediating MRSA biofilm formation. Therefore, the simultaneous delivery of berberine and PBP2a-targted aptamer using GO may have potential for the treatment of chronic infections caused by MRSA biofilms. It also provides a new avenue for multitarget treatment of bacterial biofilms.
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Affiliation(s)
- Yi Ning
- Department of Microbiology, The Medicine School of Hunan University of Chinese Medicine, Changsha, Hunan, People's Republic of China
| | - Xiaoqi Wang
- Department of Microbiology, The Medicine School of Hunan University of Chinese Medicine, Changsha, Hunan, People's Republic of China
| | - Pingan Chen
- Department of Microbiology, The Medicine School of Hunan University of Chinese Medicine, Changsha, Hunan, People's Republic of China
| | - Shiwu Liu
- Department of Microbiology, The Medicine School of Hunan University of Chinese Medicine, Changsha, Hunan, People's Republic of China
| | - Jue Hu
- Department of Microbiology, The Medicine School of Hunan University of Chinese Medicine, Changsha, Hunan, People's Republic of China
| | - Rong Xiao
- Department of Microbiology, The Medicine School of Hunan University of Chinese Medicine, Changsha, Hunan, People's Republic of China
| | - Ling Li
- Experimental Center of Molecular Biology, The Chinese Medicine School of Hunan University of Chinese Medicine, Changsha, Hunan, People's Republic of China
| | - Fangguo Lu
- Department of Microbiology, The Medicine School of Hunan University of Chinese Medicine, Changsha, Hunan, People's Republic of China
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Wan P, Guo W, Duan Y, Deng M, Xiao C. Photosensitizer-Polypeptides Conjugate with Synergistic Antibacterial Efficacy. Macromol Biosci 2022; 22:e2200105. [PMID: 35526119 DOI: 10.1002/mabi.202200105] [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: 03/09/2022] [Revised: 04/23/2022] [Indexed: 11/08/2022]
Abstract
Recently, continuous emergence of resistant bacteria has appeared as one of the most serious threats to human health. Therefore, systematic exploration of new antibacterial materials is of guiding significance. In this study, a series of photosensitizer-polypeptides conjugate (PPa-cP) was readily synthesized through the simple ring-opening reactions to realize the synergistic antibacterial effects toward Staphylococcus aureus (S. aureus) and methicillin-resistant Staphylococcus aureus (MRSA) under light irradiation. Compared with free PPa, the cationic PPa-cP showed enhanced binding ability with the negative surface of S. aureus through electrostatic interaction, exhibiting effective antibacterial activity against both S. aureus and MRSA in vitro under light irradiation. Among the synthesized PPa-cP, PPa-cP5 with the degree of polymerization of 37 and modified with 1-methylimidazole side group exhibited the best antibacterial activity with a minimum inhibitory concentration (MIC) value of 2 μM without light irradiation and 0.25 μM with light irradiation. Moreover, PPa-cP5 showed good hemocompatibility. The above-mentioned results elucidate that the positively charged PPa-cP5 could significantly increase the efficiency of photodynamic therapy and effectively eradicate S. aureus biofilm due to its potent penetration ability into S. aureus biofilms. Overall, the present study establishes an efficient strategy for treatment of S. aureus and S. aureus biofilm infections. This article is protected by copyright. All rights reserved.
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Affiliation(s)
- Pengqi Wan
- Department of Chemistry, Northeast Normal University, Changchun, 130024, P. R. China.,Key Laboratory of Polymer Ecomaterials, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022, P. R. China
| | - Wei Guo
- Department of Chemistry, Northeast Normal University, Changchun, 130024, P. R. China.,Key Laboratory of Polymer Ecomaterials, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022, P. R. China
| | - Yuxiu Duan
- Department of Chemistry, Northeast Normal University, Changchun, 130024, P. R. China.,Key Laboratory of Polymer Ecomaterials, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022, P. R. China
| | - Mingxiao Deng
- Department of Chemistry, Northeast Normal University, Changchun, 130024, P. R. China
| | - Chunsheng Xiao
- Key Laboratory of Polymer Ecomaterials, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022, P. R. China.,Jilin Biomedical Polymers Engineering Laboratory, Changchun, 130022, P. R. China
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Xie J, Meng Z, Han X, Li S, Ma X, Chen X, Liang Y, Deng X, Xia K, Zhang Y, Zhu H, Fu T. Cholesterol Microdomain Enhances the Biofilm Eradication of Antibiotic Liposomes. Adv Healthc Mater 2022; 11:e2101745. [PMID: 35037424 DOI: 10.1002/adhm.202101745] [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: 08/21/2021] [Revised: 01/09/2022] [Indexed: 11/06/2022]
Abstract
Resistance and tolerance of biofilms to antibiotics is the greatest challenge in the treatment of bacterial infections. Therefore, developing an effective strategy against biofilms is a top priority. Liposomes are widely used as antibiotic drug carriers; however, common liposomes lack affinity for biofilms. Herein, biofilm-targeted antibiotic liposomes are created by simply adjusting their cholesterol content. The tailored liposomes exhibit significantly enhanced bacterial inhibition and biofilm eradication effects that are positively correlated with the cholesterol content of liposomes. The experiments further demonstrate that this enhanced effect can be ascribed to the effective drug release through the pores, which are formed by the combination of cholesterol microdomains in liposomal lipid bilayers with membrane-damaged toxins in biofilms. Consequently, liposome encapsulation with a high cholesterol concentration improves noticeably the pharmacodynamics and biocompatibility of antibiotics after pulmonary administration. This work may provide a new direction for the development of antibiofilm formulations that can be widely used for the treatment of infections caused by bacterial biofilms.
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Affiliation(s)
- Jianjun Xie
- School of Pharmacy Nanjing University of Chinese Medicine Nanjing 210023 China
| | - Zhiping Meng
- School of Pharmacy Nanjing University of Chinese Medicine Nanjing 210023 China
| | - Xingxing Han
- School of Pharmacy Nanjing University of Chinese Medicine Nanjing 210023 China
| | - Sipan Li
- School of Pharmacy Nanjing University of Chinese Medicine Nanjing 210023 China
| | - Xinai Ma
- School of Pharmacy Nanjing University of Chinese Medicine Nanjing 210023 China
| | - Xuanyu Chen
- School of Pharmacy Nanjing University of Chinese Medicine Nanjing 210023 China
| | - Yinmei Liang
- School of Pharmacy Nanjing University of Chinese Medicine Nanjing 210023 China
| | - Xiaomin Deng
- School of Pharmacy Nanjing University of Chinese Medicine Nanjing 210023 China
| | - Kexin Xia
- School of Pharmacy Nanjing University of Chinese Medicine Nanjing 210023 China
| | - Yue Zhang
- School of Pharmacy Nanjing University of Chinese Medicine Nanjing 210023 China
| | - Huaxu Zhu
- School of Pharmacy Nanjing University of Chinese Medicine Nanjing 210023 China
| | - Tingming Fu
- School of Pharmacy Nanjing University of Chinese Medicine Nanjing 210023 China
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Hussain Y, Alam W, Ullah H, Dacrema M, Daglia M, Khan H, Arciola CR. Antimicrobial Potential of Curcumin: Therapeutic Potential and Challenges to Clinical Applications. Antibiotics (Basel) 2022; 11:antibiotics11030322. [PMID: 35326785 PMCID: PMC8944843 DOI: 10.3390/antibiotics11030322] [Citation(s) in RCA: 33] [Impact Index Per Article: 16.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2022] [Revised: 02/25/2022] [Accepted: 02/25/2022] [Indexed: 02/06/2023] Open
Abstract
Curcumin is a bioactive compound that is extracted from Curcuma longa and that is known for its antimicrobial properties. Curcuminoids are the main constituents of curcumin that exhibit antioxidant properties. It has a broad spectrum of antibacterial actions against a wide range of bacteria, even those resistant to antibiotics. Curcumin has been shown to be effective against the microorganisms that are responsible for surgical infections and implant-related bone infections, primarily Staphylococcus aureus and Escherichia coli. The efficacy of curcumin against Helicobacter pylori and Mycobacterium tuberculosis, alone or in combination with other classic antibiotics, is one of its most promising antibacterial effects. Curcumin is known to have antifungal action against numerous fungi that are responsible for a variety of infections, including dermatophytosis. Candidemia and candidiasis caused by Candida species have also been reported to be treated using curcumin. Life-threatening diseases and infections caused by viruses can be counteracted by curcumin, recognizing its antiviral potential. In combination therapy with other phytochemicals, curcumin shows synergistic effects, and this approach appears to be suitable for the eradication of antibiotic-resistant microbes and promising for achieving co-loaded antimicrobial pro-regenerative coatings for orthopedic implant biomaterials. Poor water solubility, low bioavailability, and rapid degradation are the main disadvantages of curcumin. The use of nanotechnologies for the delivery of curcumin could increase the prospects for its clinical application, mainly in orthopedics and other surgical scenarios. Curcumin-loaded nanoparticles revealed antimicrobial properties against S. aureus in periprosthetic joint infections.
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Affiliation(s)
- Yaseen Hussain
- College of Pharmaceutical Sciences, Soochow University, Suzhou 215123, China;
- Department of Pharmacy, Abdul Wali Khan University Mardan, Mardan 23200, Pakistan;
| | - Waqas Alam
- Department of Pharmacy, Abdul Wali Khan University Mardan, Mardan 23200, Pakistan;
| | - Hammad Ullah
- Department of Pharmacy, University of Naples Federico II, 80131 Naples, Italy; (H.U.); (M.D.)
| | - Marco Dacrema
- Department of Pharmacy, University of Naples Federico II, 80131 Naples, Italy; (H.U.); (M.D.)
| | - Maria Daglia
- Department of Pharmacy, University of Naples Federico II, 80131 Naples, Italy; (H.U.); (M.D.)
- International Research Center for Food Nutrition and Safety, Jiangsu University, Zhenjiang 212013, China
- Correspondence: (M.D.); (H.K.)
| | - Haroon Khan
- Department of Pharmacy, Abdul Wali Khan University Mardan, Mardan 23200, Pakistan;
- Correspondence: (M.D.); (H.K.)
| | - Carla Renata Arciola
- Laboratorio di Patologia delle Infezioni Associate all’Impianto, IRCCS Istituto Ortopedico Rizzoli, Via di Barbiano 1/10, 40136 Bologna, Italy;
- Laboratorio di Immunoreumatologia e Rigenerazione Tissutale, IRCCS Istituto Ortopedico Rizzoli, Via di Barbiano 1/10, 40136 Bologna, Italy
- Department of Experimental, Diagnostic and Specialty Medicine, University of Bologna, Via San Giacomo 14, 40136 Bologna, Italy
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40
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Dai C, Lin J, Li H, Shen Z, Wang Y, Velkov T, Shen J. The Natural Product Curcumin as an Antibacterial Agent: Current Achievements and Problems. Antioxidants (Basel) 2022; 11:459. [PMID: 35326110 PMCID: PMC8944601 DOI: 10.3390/antiox11030459] [Citation(s) in RCA: 49] [Impact Index Per Article: 24.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2022] [Revised: 02/21/2022] [Accepted: 02/22/2022] [Indexed: 02/04/2023] Open
Abstract
The rapid spread of antibiotic resistance and lack of effective drugs for treating infections caused by multi-drug resistant bacteria in animal and human medicine have forced us to find new antibacterial strategies. Natural products have served as powerful therapeutics against bacterial infection and are still an important source for the discovery of novel antibacterial drugs. Curcumin, an important constituent of turmeric, is considered safe for oral consumption to treat bacterial infections. Many studies showed that curcumin exhibited antibacterial activities against Gram-negative and Gram-positive bacteria. The antibacterial action of curcumin involves the disruption of the bacterial membrane, inhibition of the production of bacterial virulence factors and biofilm formation, and the induction of oxidative stress. These characteristics also contribute to explain how curcumin acts a broad-spectrum antibacterial adjuvant, which was evidenced by the markedly additive or synergistical effects with various types of conventional antibiotics or non-antibiotic compounds. In this review, we summarize the antibacterial properties, underlying molecular mechanism of curcumin, and discuss its combination use, nano-formulations, safety, and current challenges towards development as an antibacterial agent. We hope that this review provides valuable insight, stimulates broader discussions, and spurs further developments around this promising natural product.
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Affiliation(s)
- Chongshan Dai
- Department of Veterinary Pharmacology and Toxicology, College of Veterinary Medicine, China Agricultural University, No. 2 Yuanmingyuan West Road, Beijing 100193, China; (J.L.); (Z.S.); (Y.W.)
- Beijing Key Laboratory of Detection Technology for Animal-Derived Food Safety, College of Veterinary Medicine, China Agricultural University, Beijing 100193, China
| | - Jiahao Lin
- Department of Veterinary Pharmacology and Toxicology, College of Veterinary Medicine, China Agricultural University, No. 2 Yuanmingyuan West Road, Beijing 100193, China; (J.L.); (Z.S.); (Y.W.)
| | - Hui Li
- Beijing Key Laboratory of Diagnostic and Traceability Technologies for Food Poisoning, Beijing Center for Disease Prevention and Control, Beijing 100193, China;
| | - Zhangqi Shen
- Department of Veterinary Pharmacology and Toxicology, College of Veterinary Medicine, China Agricultural University, No. 2 Yuanmingyuan West Road, Beijing 100193, China; (J.L.); (Z.S.); (Y.W.)
| | - Yang Wang
- Department of Veterinary Pharmacology and Toxicology, College of Veterinary Medicine, China Agricultural University, No. 2 Yuanmingyuan West Road, Beijing 100193, China; (J.L.); (Z.S.); (Y.W.)
- Beijing Key Laboratory of Detection Technology for Animal-Derived Food Safety, College of Veterinary Medicine, China Agricultural University, Beijing 100193, China
| | - Tony Velkov
- Department of Pharmacology & Therapeutics, School of Biomedical Sciences, Faculty of Medicine, Dentistry and Health Sciences, The University of Melbourne, Parkville, VIC 3010, Australia
| | - Jianzhong Shen
- Department of Veterinary Pharmacology and Toxicology, College of Veterinary Medicine, China Agricultural University, No. 2 Yuanmingyuan West Road, Beijing 100193, China; (J.L.); (Z.S.); (Y.W.)
- Beijing Key Laboratory of Detection Technology for Animal-Derived Food Safety, College of Veterinary Medicine, China Agricultural University, Beijing 100193, China
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Moxifloxacin Liposomes: Effect of Liposome Preparation Method on Physicochemical Properties and Antimicrobial Activity against Staphylococcus epidermidis. Pharmaceutics 2022; 14:pharmaceutics14020370. [PMID: 35214102 PMCID: PMC8875207 DOI: 10.3390/pharmaceutics14020370] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2022] [Revised: 01/27/2022] [Accepted: 02/01/2022] [Indexed: 12/16/2022] Open
Abstract
The aim of this study was the development of optimal sustained-release moxifloxacin (MOX)-loaded liposomes as intraocular therapeutics of endophthalmitis. Two methods were compared for the preparation of MOX liposomes; the dehydration–rehydration (DRV) method and the active loading method (AL). Numerous lipid-membrane compositions were studied to determine the potential effect on MOX loading and retention in liposomes. MOX and phospholipid contents were measured by HPLC and a colorimetric assay for phospholipids, respectively. Vesicle size distribution and surface charge were measured by DLS, and morphology was evaluated by cryo-TEM. The AL method conferred liposomes with higher MOX encapsulation compared to the DRV method for all the lipid compositions used. Cryo-TEM showed that both liposome types had round vesicular structure and size around 100–150 nm, while a granular texture was evident in the entrapped aqueous compartments of most AL liposomes, but substantially less in DRV liposomes; X-ray diffraction analysis demonstrated slight crystallinity in AL liposomes, especially the ones with highest MOX encapsulation. AL liposomes retained MOX for significantly longer time periods compared to DRVs. Lipid composition did not affect MOX release from DRV liposomes but significantly altered drug loading/release in AL liposomes. Interestingly, AL liposomes demonstrated substantially higher antimicrobial potential towards S. epidermidis growth and biofilm susceptibility compared to corresponding DRV liposomes, indicating the importance of MOX retention in liposomes on their activity. In conclusion, the liposome preparation method/type determines the rate of MOX release from liposomes and modulates their antimicrobial potential, a finding that deserves further in vitro and in vivo exploitation.
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Al-Wrafy FA, Al-Gheethi AA, Ponnusamy SK, Noman EA, Fattah SA. Nanoparticles approach to eradicate bacterial biofilm-related infections: A critical review. CHEMOSPHERE 2022; 288:132603. [PMID: 34678351 DOI: 10.1016/j.chemosphere.2021.132603] [Citation(s) in RCA: 24] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/26/2021] [Revised: 10/06/2021] [Accepted: 10/16/2021] [Indexed: 06/13/2023]
Abstract
Biofilm represents one of the crucial factors for the emergence of multi-drug resistance bacterial infections. The high mortality, morbidity and medical device-related infections are associated with biofilm formation, which requires primarily seek alternative treatment strategies. Recently, nanotechnology has emerged as a promising method for eradicating bacterial biofilm-related infection. The efficacy of nanoparticles (NPs) against bacterial infections interest great attention, and the researches on the subject are rapidly increasing. However, the majority of studies continue to focus on the antimicrobial effects of NPs in vitro, while only a few achieved in vivo and very few registered as clinical trials. The present review aimed to organize the scattered available information regarding NPs approach to eradicate bacterial biofilm-related infections. The current review highlighted the advantages and disadvantages associated with this approach, in addition to the challenges that prevent reaching the clinical applications. It was appeared that the production of NPs either as antimicrobials or as drug carriers requires further investigations to overcome the obstacles associated with their kinetic and biocompatibility.
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Affiliation(s)
- Fairoz Ali Al-Wrafy
- Department of Applied Microbiology, Faculty of Applied Science, Taiz University, 6350, Taiz, Yemen.
| | - Adel Ali Al-Gheethi
- Civil Department, Faculty of Civil Engineering and Built Environment, Universiti Tun Hussein Onn Malaysia, 86400, Batu Pahat, Johor, Malaysia.
| | - Senthil Kumar Ponnusamy
- Department of Chemical Engineering, Sri Sivasubramaniya Nadar College of Engineering, Chennai, 603110, India
| | - Efaq Ali Noman
- Department of Applied Microbiology, Faculty of Applied Science, Taiz University, 6350, Taiz, Yemen
| | - Shaima Abdul Fattah
- Department of Applied Microbiology, Faculty of Applied Science, Taiz University, 6350, Taiz, Yemen; Department of Biological Sciences and Biotechnology, Faculty of Science and Technology, Universiti Kebangsaan Malaysia, 43600, UKM Bangi, Selangor, Malaysia
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Trigo-Gutierrez JK, Vega-Chacón Y, Soares AB, Mima EGDO. Antimicrobial Activity of Curcumin in Nanoformulations: A Comprehensive Review. Int J Mol Sci 2021; 22:7130. [PMID: 34281181 PMCID: PMC8267827 DOI: 10.3390/ijms22137130] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2021] [Revised: 06/21/2021] [Accepted: 06/28/2021] [Indexed: 01/10/2023] Open
Abstract
Curcumin (CUR) is a natural substance extracted from turmeric that has antimicrobial properties. Due to its ability to absorb light in the blue spectrum, CUR is also used as a photosensitizer (PS) in antimicrobial Photodynamic Therapy (aPDT). However, CUR is hydrophobic, unstable in solutions, and has low bioavailability, which hinders its clinical use. To circumvent these drawbacks, drug delivery systems (DDSs) have been used. In this review, we summarize the DDSs used to carry CUR and their antimicrobial effect against viruses, bacteria, and fungi, including drug-resistant strains and emergent pathogens such as SARS-CoV-2. The reviewed DDSs include colloidal (micelles, liposomes, nanoemulsions, cyclodextrins, chitosan, and other polymeric nanoparticles), metallic, and mesoporous particles, as well as graphene, quantum dots, and hybrid nanosystems such as films and hydrogels. Free (non-encapsulated) CUR and CUR loaded in DDSs have a broad-spectrum antimicrobial action when used alone or as a PS in aPDT. They also show low cytotoxicity, in vivo biocompatibility, and improved wound healing. Although there are several in vitro and some in vivo investigations describing the nanotechnological aspects and the potential antimicrobial application of CUR-loaded DDSs, clinical trials are not reported and further studies should translate this evidence to the clinical scenarios of infections.
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Affiliation(s)
| | | | | | - Ewerton Garcia de Oliveira Mima
- Laboratory of Applied Microbiology, Department of Dental Materials and Prosthodontics, School of Dentistry, São Paulo State University (Unesp), Araraquara 14800-000, Brazil; (J.K.T.-G.); (Y.V.-C.); (A.B.S.)
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Neyrinck AM, Sánchez CR, Rodriguez J, Cani PD, Bindels LB, Delzenne NM. Prebiotic Effect of Berberine and Curcumin Is Associated with the Improvement of Obesity in Mice. Nutrients 2021; 13:nu13051436. [PMID: 33923174 PMCID: PMC8145536 DOI: 10.3390/nu13051436] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2021] [Revised: 04/19/2021] [Accepted: 04/22/2021] [Indexed: 12/26/2022] Open
Abstract
Berberine and curcumin, used as food additives or food supplements, possess interesting anti-inflammatory and antioxidant properties. We tested the potential protective effect of both phytochemicals in genetically obese mice and we determined whether these effects can be related to the modulation of gut functions and microbiota. Ob/ob mice were fed a standard diet supplemented with or without 0.1% berberine and/or 0.3% curcumin for 4 weeks. By using targeted qPCR, we found that cecal content of Bifidobacterium spp. and Akkermansia spp. increased mainly upon berberine supplementation. Genes involved in innate immunity (Pla2g2a), mucus production (Muc2) and satietogenic peptide production (Gcg and Pyy) were upregulated in the colon of mice treated with both phytochemicals. Berberine supplementation alone reduced food intake, body weight gain, hypertriglyceridemia and hepatic inflammatory and oxidative stress markers, thus lessening hepatic injury. The increase in Bifidobacterium spp. and Akkermansia spp. was correlated with the improvement of gut barrier function and with the improvement of hepatic inflammatory and oxidative stresses in obese mice. These data support the fact that non-carbohydrate phytochemicals may modulate the gut microbiota in obesity and related gut and hepatic alterations.
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Affiliation(s)
- Audrey M. Neyrinck
- Metabolism and Nutrition Research Group, Louvain Drug Research Institute, Université Catholique de Louvain, UCLouvain, B-1200 Brussels, Belgium; (A.M.N.); (C.R.S.); (J.R.); (P.D.C.); (L.B.B.)
| | - Cándido Robles Sánchez
- Metabolism and Nutrition Research Group, Louvain Drug Research Institute, Université Catholique de Louvain, UCLouvain, B-1200 Brussels, Belgium; (A.M.N.); (C.R.S.); (J.R.); (P.D.C.); (L.B.B.)
| | - Julie Rodriguez
- Metabolism and Nutrition Research Group, Louvain Drug Research Institute, Université Catholique de Louvain, UCLouvain, B-1200 Brussels, Belgium; (A.M.N.); (C.R.S.); (J.R.); (P.D.C.); (L.B.B.)
| | - Patrice D. Cani
- Metabolism and Nutrition Research Group, Louvain Drug Research Institute, Université Catholique de Louvain, UCLouvain, B-1200 Brussels, Belgium; (A.M.N.); (C.R.S.); (J.R.); (P.D.C.); (L.B.B.)
- Walloon Excellence in Life Sciences and BIOtechnology (WELBIO), Louvain Drug Research Institute, UCLouvain, B-1200 Brussels, Belgium
| | - Laure B. Bindels
- Metabolism and Nutrition Research Group, Louvain Drug Research Institute, Université Catholique de Louvain, UCLouvain, B-1200 Brussels, Belgium; (A.M.N.); (C.R.S.); (J.R.); (P.D.C.); (L.B.B.)
| | - Nathalie M. Delzenne
- Metabolism and Nutrition Research Group, Louvain Drug Research Institute, Université Catholique de Louvain, UCLouvain, B-1200 Brussels, Belgium; (A.M.N.); (C.R.S.); (J.R.); (P.D.C.); (L.B.B.)
- Correspondence:
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Ferreira M, Pinto SN, Aires-da-Silva F, Bettencourt A, Aguiar SI, Gaspar MM. Liposomes as a Nanoplatform to Improve the Delivery of Antibiotics into Staphylococcus aureus Biofilms. Pharmaceutics 2021; 13:pharmaceutics13030321. [PMID: 33801281 PMCID: PMC7999762 DOI: 10.3390/pharmaceutics13030321] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2021] [Revised: 02/24/2021] [Accepted: 02/25/2021] [Indexed: 02/07/2023] Open
Abstract
Staphylococcus aureus biofilm-associated infections are a major public health concern. Current therapies are hampered by reduced penetration of antibiotics through biofilm and low accumulation levels at infected sites, requiring prolonged usage. To overcome these, repurposing antibiotics in combination with nanotechnological platforms is one of the most appealing fast-track and cost-effective approaches. In the present work, we assessed the potential therapeutic benefit of three antibiotics, vancomycin, levofloxacin and rifabutin (RFB), through their incorporation in liposomes. Free RFB displayed the utmost antibacterial effect with MIC and MBIC50 below 0.006 µg/mL towards a methicillin susceptible S. aureus (MSSA). RFB was selected for further in vitro studies and the influence of different lipid compositions on bacterial biofilm interactions was evaluated. Although positively charged RFB liposomes displayed the highest interaction with MSSA biofilms, RFB incorporated in negatively charged liposomes displayed lower MBIC50 values in comparison to the antibiotic in the free form. Preliminary safety assessment on all RFB formulations towards osteoblast and fibroblast cell lines demonstrated that a reduction on cell viability was only observed for the positively charged liposomes. Overall, negatively charged RFB liposomes are a promising approach against biofilm S. aureus infections and further in vivo studies should be performed.
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Affiliation(s)
- Magda Ferreira
- Centre for Interdisciplinary Research in Animal Health (CIISA), Faculty of Veterinary Medicine, Universidade de Lisboa, 1300-477 Lisboa, Portugal; (M.F.); (F.A.-d.-S.)
- Faculty of Pharmacy, Research Institute for Medicines (iMed.ULisboa), Universidade de Lisboa, 1649-003 Lisboa, Portugal;
| | - Sandra N. Pinto
- Department of Bioengineering, iBB-Institute for Bioengineering and Biosciences, Instituto Superior Técnico, Universidade de Lisboa, 1049-001 Lisboa, Portugal;
| | - Frederico Aires-da-Silva
- Centre for Interdisciplinary Research in Animal Health (CIISA), Faculty of Veterinary Medicine, Universidade de Lisboa, 1300-477 Lisboa, Portugal; (M.F.); (F.A.-d.-S.)
| | - Ana Bettencourt
- Faculty of Pharmacy, Research Institute for Medicines (iMed.ULisboa), Universidade de Lisboa, 1649-003 Lisboa, Portugal;
| | - Sandra I. Aguiar
- Centre for Interdisciplinary Research in Animal Health (CIISA), Faculty of Veterinary Medicine, Universidade de Lisboa, 1300-477 Lisboa, Portugal; (M.F.); (F.A.-d.-S.)
- Correspondence: (S.I.A.); (M.M.G.)
| | - Maria Manuela Gaspar
- Faculty of Pharmacy, Research Institute for Medicines (iMed.ULisboa), Universidade de Lisboa, 1649-003 Lisboa, Portugal;
- Correspondence: (S.I.A.); (M.M.G.)
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