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Ismail EA, Omolo CA, Gafar MA, Khan R, Nyandoro VO, Yakubu ES, Mackraj I, Tageldin A, Govender T. Novel peptide and hyaluronic acid coated biomimetic liposomes for targeting bacterial infections and sepsis. Int J Pharm 2024:124493. [PMID: 39048042 DOI: 10.1016/j.ijpharm.2024.124493] [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: 12/07/2023] [Revised: 07/12/2024] [Accepted: 07/17/2024] [Indexed: 07/27/2024]
Abstract
Sepsis is a life-threatening syndrome resulting from an imbalanced immune response to severe infections. Despite advances in nanomedicines, effective treatments for sepsis are still lacking. Herein, vancomycin free base (VCM)-loaded dual functionalized biomimetic liposomes based on a novel TLR4-targeting peptide (P3) and hyaluronic acid (HA) (HA-P3-Lipo) were developed to enhance sepsis therapy. The nanocarrier revealed appropriate physicochemical parameters, good stability, and biocompatibility. The release of VCM from HA-P3-Lipo was found to be sustained with 76 % VCM released in 48 h. The biomimicry was elucidated by in silico tools and MST and results confirmed strong binding between the system and TLR4. Furthermore, HA-P3-Lipo revealed 2-fold enhanced antibacterial activity against S. aureus, sustained antibacterial activity against MRSA over 72 h and 5-fold better MRSA biofilm inhibition compared to bare VCM. Bacterial-killing kinetics and flow cytometry confirmed the superiority of HA-P3-Lipo in eliminating MRSA faster than VCM. The in vivo potential of the nanocarrier was elucidated in an MRSA-induced sepsis mice model, and the results confirmed the superiority of HA-P3-Lipo compared to free VCM in eliminating bacteria and down-regulating the proinflammatory markers. Therefore, HA-P3-Lipo exhibits potential as a promising novel multi-functional nanosystem against sepsis and could significantly contribute to the transformation of sepsis therapy.
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Affiliation(s)
- Eman A Ismail
- Discipline of Pharmaceutical Sciences, College of Health Sciences, University of KwaZulu-Natal, Private Bag X54001, Durban, South Africa; Department of Pharmaceutics, Faculty of Pharmacy, University of Gezira, Wad Medani, Sudan
| | - Calvin A Omolo
- Discipline of Pharmaceutical Sciences, College of Health Sciences, University of KwaZulu-Natal, Private Bag X54001, Durban, South Africa; United States International University-Africa, School of Pharmacy and Health Sciences, Department of Pharmaceutics, P. O. Box 14634-00800, Nairobi, Kenya.
| | - Mohammed A Gafar
- Discipline of Pharmaceutical Sciences, College of Health Sciences, University of KwaZulu-Natal, Private Bag X54001, Durban, South Africa
| | - Rene Khan
- Discipline of Medical Biochemistry, School of Laboratory Medicine and Medical Science, College of Health Sciences, University of KwaZulu-Natal, Durban, South Africa
| | - Vincent O Nyandoro
- Discipline of Pharmaceutical Sciences, College of Health Sciences, University of KwaZulu-Natal, Private Bag X54001, Durban, South Africa; School of Pharmacy, Kabarak University, P.O BOX Private bag 20157, Nakuru, Kenya
| | - Elliasu S Yakubu
- Biomedical Research and Innovation Platform (BRIP), South African Medical Research Council (SAMRC), Cape Town 7505, South Africa
| | - Irene Mackraj
- Discipline of Human Physiology, School of Laboratory Medicine and Medical Sciences, College of Health Sciences, University of KwaZulu-Natal, Durban, South Africa
| | - Abdelrahman Tageldin
- Discipline of Pharmaceutical Sciences, College of Health Sciences, University of KwaZulu-Natal, Private Bag X54001, Durban, South Africa
| | - Thirumala Govender
- Discipline of Pharmaceutical Sciences, College of Health Sciences, University of KwaZulu-Natal, Private Bag X54001, Durban, South Africa.
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Shen D, Huang K, Guo Q, Ma G, Ding L. The Efficacy of Local Antibiotic Delivery Systems Therapy in the Management of Diabetic Foot Osteomyelitis: A Systematic Review and Meta-Analysis. INT J LOW EXTR WOUND 2024:15347346241266062. [PMID: 39033388 DOI: 10.1177/15347346241266062] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/23/2024]
Abstract
PURPOSE We aim to evaluate the efficacy of local antibiotic delivery systems in patients with diabetic foot osteomyelitis (DFO). METHODS The Web of Science, PubMed, and Embase databases were searched for relevant publications until March 2024. All studies evaluating the efficacy of local antibiotic delivery systems in patients with DFO were included. We calculated pooled risk ratio (RR) with 95% CIs for binary outcomes and mean difference (MD) for continuous outcomes. The Cochrane's risk of bias tool and methodological index for non-randomized studies (MINORS) assessment were used to evaluate the quality of studies. RESULTS A total of 9 studies with 491 patients were included in this analysis. The overall healing rate in antibiotic group was 0.85 (95% CI: 0.67, 0.97). Healing rates were significantly higher in the antibiotic group compared to the control group (RR: 1.18, 95% CI: 1.01, 1.38). Furthermore, recurrence rates and amputation rates have no significantly difference between the antibiotic group and the control group (RR: 0.30, 95% CI: 0.04, 2.12 and RR: 0.22, 95% CI:0.03, 1.91), along with no significantly difference in healing time and hospital stays(MD: -7.87, 95% CI: -20.81, 5.07 and MD:-2.33, 95% CI:-5.17, 0.50). No obvious publication bias was observed in the funnel plot (Egger's test, P = .99). CONCLUSIONS Our meta-analysis found that diabetic foot osteomyelitis patients treated with local antibiotic delivery systems had better healing rates than the control group. However, no significant differences were found in healing time, recurrence, hospital stays, or amputation rates. Larger randomized controlled trials are necessary in the future.
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Affiliation(s)
- Di Shen
- Department of Orthopedic Trauma, Zhuji People's Hospital of Zhejiang Province, Zhuji, China
| | - Kai Huang
- Department of Orthopedics, Tongde Hospital of Zhejiang Province, Hangzhou, China
| | - Qiaofeng Guo
- Department of Orthopedics, Tongde Hospital of Zhejiang Province, Hangzhou, China
| | - Gouping Ma
- Department of Orthopedics, Tongde Hospital of Zhejiang Province, Hangzhou, China
| | - Liqing Ding
- Department of Endocrinology, Tongde Hospital of Zhejiang Province, Hangzhou, China
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3
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Mork S, Johannessen M, Škalko-Basnet N, Jøraholmen MW. Chitosan and liposomal delivery systems for epicatechin or propyl gallate targeting localized treatment of vulvovaginal candidiasis. Int J Pharm 2024; 662:124489. [PMID: 39032871 DOI: 10.1016/j.ijpharm.2024.124489] [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: 04/12/2024] [Revised: 06/19/2024] [Accepted: 07/17/2024] [Indexed: 07/23/2024]
Abstract
Natural polyphenols are promising alternatives to antifungals for novel treatments of vulvovaginal candidiasis (VVC) in an era of antimicrobial resistance. However, polyphenols are poorly soluble and prone to degradation. To overcome their limitations, we propose incorporation in liposomes. The study aimed to develop chitosan and liposome comprising delivery systems for epicatechin (EC) or propyl gallate (PG) as treatment of VVC. EC was selected for its antioxidative properties and PG as an ester of antifungal gallic acid. To improve formulation retention at vaginal site, mucoadhesive chitosan was introduced into formulation as liposomal surface coating or hydrogel due to intrinsic antifungal properties. These polyphenol-loaded liposomes exhibited an average size of 125 nm with a 64 % entrapment efficiency (for both polyphenols). A sustained in vitro polyphenol release was seen from liposomes, particularly in chitosan hydrogel (p < 0.01 or lower). Viscosity was evaluated since increased viscosity upon mucin contact indicated adhesive bond formation between chitosan and mucin confirming mucoadhesiveness of formulations. Antifungal activity was evaluated by the broth microdilution method on Candida albicans CRM-10231. Unlike PG, incorporation of EC in liposomes enabled antifungal activity. Fungicidal activity of chitosan was confirmed both when used as liposomal coating material and as hydrogel vehicle.
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Affiliation(s)
- Silje Mork
- Drug Transport and Delivery Research Group, Department of Pharmacy, Faculty of Health Sciences, UiT The Arctic University of Norway, Universitetsveien 57, 9037 Tromsø, Norway
| | - Mona Johannessen
- Research Group for Host Microbe Interactions, Department of Medical Biology, Faculty of Health Sciences, UiT The Arctic University of Norway, Universitetsveien 57, 9037 Tromsø, Norway
| | - Nataša Škalko-Basnet
- Drug Transport and Delivery Research Group, Department of Pharmacy, Faculty of Health Sciences, UiT The Arctic University of Norway, Universitetsveien 57, 9037 Tromsø, Norway
| | - May Wenche Jøraholmen
- Drug Transport and Delivery Research Group, Department of Pharmacy, Faculty of Health Sciences, UiT The Arctic University of Norway, Universitetsveien 57, 9037 Tromsø, Norway.
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Bedoya-Agudelo JP, López-Carvajal JE, Quiguanás-Guarín ES, Cardona N, Padilla-Sanabria L, Castaño-Osorio JC. Assessment of Antimicrobial and Cytotoxic Activities of Liposomes Loaded with Curcumin and Lippia origanoides Essential Oil. Biomolecules 2024; 14:851. [PMID: 39062565 DOI: 10.3390/biom14070851] [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: 06/13/2024] [Revised: 07/08/2024] [Accepted: 07/09/2024] [Indexed: 07/28/2024] Open
Abstract
(1) Introduction: Curcumin and Lippia origanoides essential oils have a broad spectrum of biological activities; however, their physicochemical instability, low solubility, and high volatility limit their therapeutic use. Encapsulation in liposomes has been reported as a feasible approach to increase the physicochemical stability of active substances, protect them from interactions with the environment, modulate their release, reduce their volatility, improve their bioactivity, and reduce their toxicity. To date, there are no reports on the co-encapsulation of curcumin and Lippia origanoides essential oils in liposomes. Therefore, the objective of this work is to prepare and physiochemical characterize liposomes loaded with the mixture of these compounds and to evaluate different in vitro biological activities. (2) Methods: Liposomes were produced using the thin-layer method and physiochemical characteristics were calculated. The antimicrobial and cytotoxic activities of both encapsulated and non-encapsulated compounds were evaluated. (3) Results: Empty and loaded nanometric-sized liposomes were obtained that are monodisperse and have a negative zeta potential. They inhibited the growth of Staphylococcus aureus and did not exhibit cytotoxic activity against mammalian cells. (4) Conclusions: Encapsulation in liposomes was demonstrated to be a promising strategy for natural compounds possessing antimicrobial activity.
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Affiliation(s)
- Juan Pablo Bedoya-Agudelo
- Molecular Immunology Group (GYMOL), Center of Biomedical Research, Faculty of Health Sciences, Quindío University, Armenia 630003, Colombia
| | - Jhon Esteban López-Carvajal
- Molecular Immunology Group (GYMOL), Center of Biomedical Research, Faculty of Health Sciences, Quindío University, Armenia 630003, Colombia
| | - Edwin Stiven Quiguanás-Guarín
- Molecular Immunology Group (GYMOL), Center of Biomedical Research, Faculty of Health Sciences, Quindío University, Armenia 630003, Colombia
| | - Nestor Cardona
- Group of Investigation in Oral Health, Faculty of Dentistry, Antonio Nariño University, Armenia 630001, Colombia
| | - Leonardo Padilla-Sanabria
- Molecular Immunology Group (GYMOL), Center of Biomedical Research, Faculty of Health Sciences, Quindío University, Armenia 630003, Colombia
| | - Jhon Carlos Castaño-Osorio
- Molecular Immunology Group (GYMOL), Center of Biomedical Research, Faculty of Health Sciences, Quindío University, Armenia 630003, Colombia
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Mazzotta E, Romeo M, Hafidi Z, Perez L, Perrotta ID, Muzzalupo R. Design of Thermosensitive Niosomes by Eutectic Mixture of Natural Fatty Acids. Pharmaceutics 2024; 16:909. [PMID: 39065606 DOI: 10.3390/pharmaceutics16070909] [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: 06/14/2024] [Revised: 07/01/2024] [Accepted: 07/04/2024] [Indexed: 07/28/2024] Open
Abstract
In the current study, a smart release system responsive to temperature was developed to improve the efficiency of tetracycline (TC) in antibacterial therapy. The nanovesicles designed consist of a non-ionic surfactant, SPAN60, cholesterol and a phase change material (PCM) as a thermoresponsive gating material. Niosomes were prepared using an increasing amount of PCM and characterized in terms of size, zeta potential, colloidal stability and thermoresponsive properties. The vesicles that developed were homogenous in size, had good biocompatibility and stability for up to 3 months and demonstrated thermoresponsive behavior. A low drug leakage was observed at 37 °C, while a rapid release occurred at 42 °C, due to the faster diffusion rate of the drug trough the melted PCM. This controllable drug release capacity allows us to avoid premature drug release, minimizing unwanted and toxic effects and ensuring a long retention time in the nanodevice so that it reaches the infected sites. In addition, TC-loaded niosomes were screened to investigate their antibacterial activity against various Gram-positive and Gram-negative bacteria by minimum inhibitory concentration (MIC) and minimum bactericidal concentration (MBC) assays. An interesting temperature-dependent antibacterial activity was observed against some bacterial strains: the niosomes activity against S. epidermis, for example, was improved by the temperature increase, as suggested by a reduction in MIC values from 112.81 to 14.10 μM observed at 37 and 42 °C, respectively. Taken together, the thermoresponsive platform developed allows us to use lower antibiotic amounts while ensuring therapeutic efficacy and, so, will advance the development of a novel antibacterial agent in clinical practice.
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Affiliation(s)
- Elisabetta Mazzotta
- Department of Pharmacy, Health and Nutritional Sciences, University of Calabria, Via P. Bucci, 87036 Arcavacata di Rende, Italy
| | - Martina Romeo
- Department of Pharmacy, Health and Nutritional Sciences, University of Calabria, Via P. Bucci, 87036 Arcavacata di Rende, Italy
| | - Zakaria Hafidi
- Department of Surfactants and Nanobiotechnology, Institute for Advanced Chemistry of Catalonia (IQAC-CSIC), 08034 Barcelona, Spain
| | - Lourdes Perez
- Department of Surfactants and Nanobiotechnology, Institute for Advanced Chemistry of Catalonia (IQAC-CSIC), 08034 Barcelona, Spain
| | - Ida Daniela Perrotta
- Centre for Microscopy and Microanalysis (CM2), Department of Biology Ecology and Earth Sciences, University of Calabria, 87036 Arcavacata di Rende, Italy
| | - Rita Muzzalupo
- Department of Pharmacy, Health and Nutritional Sciences, University of Calabria, Via P. Bucci, 87036 Arcavacata di Rende, Italy
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Jiang X, Chen D, Wang X, Wang C, Zheng H, Ye W, Zhou W, Liu G, Zhang K. Nitazoxanide synergizes polymyxin B against Escherichia coli by depleting cellular energy. Microbiol Spectr 2024:e0019124. [PMID: 38904380 DOI: 10.1128/spectrum.00191-24] [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: 01/23/2024] [Accepted: 05/13/2024] [Indexed: 06/22/2024] Open
Abstract
The rapid expansion of antibiotic-resistant bacterial diseases is a global burden on public health. It makes sense to repurpose and reposition already-approved medications for use as supplementary agents in synergistic combinations with existing antibiotics. Here, we demonstrate that the anthelmintic drug nitazoxanide (NTZ) synergistically enhances the effectiveness of the lipopeptide antibiotic polymyxin B in inhibiting gram-negative bacteria, including those resistant to polymyxin B. Mechanistic investigations revealed that nitazoxanide inhibited calcium influx and cell membrane depolarization, enhanced the affinity between polymyxin B and the extracellular membrane, and promoted intracellular ATP depletion and an increase in reactive oxygen species (ROS), thus enhancing the penetration and disruption of the Escherichia coli cell membrane by polymyxin B. The transcriptomic analysis revealed that the combination resulted in energy depletion by inhibiting both aerobic and anaerobic respiration patterns in bacterial cells. The increased bactericidal effect of polymyxin B on the E. coli ∆nuoC strain further indicates that NuoC could be a promising target for nitazoxanide. Furthermore, the combination of nitazoxanide and polymyxin B showed promising therapeutic effects in a mouse infection model infected with E. coli. Taken together, these results demonstrate the potential of nitazoxanide as a novel adjuvant to polymyxin B, to overcome antibiotic resistance and improve therapeutic outcomes in refractory infections.IMPORTANCEThe rapid spread of antibiotic-resistant bacteria poses a serious threat to public health. The search for potential compounds that can increase the antibacterial activity of existing antibiotics is a promising strategy for addressing this issue. Here, the synergistic activity of the FDA-approved agent nitazoxanide (NTZ) combined with polymyxin B was investigated in vitro using checkerboard assays and time-kill curves. The synergistic mechanisms of the combination of nitazoxanide and polymyxin B were explored by fluorescent dye, transmission electron microscopy (TEM), and transcriptomic analysis. The synergistic efficacy was evaluated in vivo by the Escherichia coli and mouse sepsis models. These results suggested that nitazoxanide, as a promising antibiotic adjuvant, can effectively enhance polymyxin B activity, providing a potential strategy for treating multidrug-resistant bacteria.
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Affiliation(s)
- Xuejia Jiang
- Key Laboratory of Veterinary Chemical Drugs and Pharmaceutics, Ministry of Agriculture and Rural Affairs, Shanghai Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Shanghai, China
| | - Dongliang Chen
- Key Laboratory of Veterinary Chemical Drugs and Pharmaceutics, Ministry of Agriculture and Rural Affairs, Shanghai Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Shanghai, China
| | - Xiaoyang Wang
- Key Laboratory of Veterinary Chemical Drugs and Pharmaceutics, Ministry of Agriculture and Rural Affairs, Shanghai Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Shanghai, China
| | - Chunmei Wang
- Key Laboratory of Veterinary Chemical Drugs and Pharmaceutics, Ministry of Agriculture and Rural Affairs, Shanghai Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Shanghai, China
| | - Haihong Zheng
- Key Laboratory of Veterinary Chemical Drugs and Pharmaceutics, Ministry of Agriculture and Rural Affairs, Shanghai Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Shanghai, China
| | - Wenchong Ye
- Key Laboratory of Veterinary Chemical Drugs and Pharmaceutics, Ministry of Agriculture and Rural Affairs, Shanghai Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Shanghai, China
| | - Wen Zhou
- Key Laboratory of Veterinary Chemical Drugs and Pharmaceutics, Ministry of Agriculture and Rural Affairs, Shanghai Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Shanghai, China
| | - Guoping Liu
- College of Animal Science, Yangtze University, Jingzhou, Hubei, China
| | - Keyu Zhang
- Key Laboratory of Veterinary Chemical Drugs and Pharmaceutics, Ministry of Agriculture and Rural Affairs, Shanghai Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Shanghai, China
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Li Z, Baidoun R, Brown AC. Toxin-triggered liposomes for the controlled release of antibiotics to treat infections associated with the gram-negative bacterium, Aggregatibacter actinomycetemcomitans. Colloids Surf B Biointerfaces 2024; 238:113870. [PMID: 38555763 PMCID: PMC11148792 DOI: 10.1016/j.colsurfb.2024.113870] [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: 12/08/2023] [Revised: 03/14/2024] [Accepted: 03/20/2024] [Indexed: 04/02/2024]
Abstract
Antibiotic resistance has become an urgent threat to health care in recent years. The use of drug delivery systems provides advantages over conventional administration of antibiotics and can slow the development of antibiotic resistance. In the current study, we developed a toxin-triggered liposomal antibiotic delivery system, in which the drug release is enabled by the leukotoxin (LtxA) produced by the Gram-negative pathogen, Aggregatibacter actinomycetemcomitans. LtxA has previously been shown to mediate membrane disruption by promoting a lipid phase change in nonlamellar lipids, such as 1,2-dioleoyl-sn-glycero-3-phosphoethanolamine-N-methyl (N-methyl-DOPE). In addition, LtxA has been observed to bind strongly and nearly irreversibly to membranes containing large amounts of cholesterol. Here, we designed a liposomal delivery system composed of N-methyl-DOPE and cholesterol to take advantage of these interactions. Specifically, we hypothesized that liposomes composed of N-methyl-DOPE and cholesterol, encapsulating antibiotics, would be sensitive to LtxA, enabling controlled antibiotic release. We observed that liposomes composed of N-methyl-DOPE were sensitive to the presence of low concentrations of LtxA, and cholesterol increased the extent and kinetics of content release. The liposomes were stable under various storage conditions for at least 7 days. Finally, we showed that antibiotic release occurs selectively in the presence of an LtxA-producing strain of A. actinomycetemcomitans but not in the presence of a non-LtxA-expressing strain. Together, these results demonstrate that the designed liposomal vehicle enables toxin-triggered delivery of antibiotics to LtxA-producing strains of A. actinomycetemcomitans.
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Affiliation(s)
- Ziang Li
- Department of Chemical and Biomolecular Engineering, Lehigh University, 5 E Packer Ave, Bethlehem, PA 18015, USA
| | - Rani Baidoun
- Department of Chemical and Biomolecular Engineering, Lehigh University, 5 E Packer Ave, Bethlehem, PA 18015, USA
| | - Angela C Brown
- Department of Chemical and Biomolecular Engineering, Lehigh University, 5 E Packer Ave, Bethlehem, PA 18015, USA.
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Dzyhovskyi V, Romani A, Pula W, Bondi A, Ferrara F, Melloni E, Gonelli A, Pozza E, Voltan R, Sguizzato M, Secchiero P, Esposito E. Characterization Methods for Nanoparticle-Skin Interactions: An Overview. Life (Basel) 2024; 14:599. [PMID: 38792620 PMCID: PMC11122446 DOI: 10.3390/life14050599] [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: 03/29/2024] [Revised: 05/02/2024] [Accepted: 05/04/2024] [Indexed: 05/26/2024] Open
Abstract
Research progresses have led to the development of different kinds of nanoplatforms to deliver drugs through different biological membranes. Particularly, nanocarriers represent a precious means to treat skin pathologies, due to their capability to solubilize lipophilic and hydrophilic drugs, to control their release, and to promote their permeation through the stratum corneum barrier. A crucial point in the development of nano-delivery systems relies on their characterization, as well as in the assessment of their interaction with tissues, in order to predict their fate under in vivo administration. The size of nanoparticles, their shape, and the type of matrix can influence their biodistribution inside the skin strata and their cellular uptake. In this respect, an overview of some characterization methods employed to investigate nanoparticles intended for topical administration is presented here, namely dynamic light scattering, zeta potential, scanning and transmission electron microscopy, X-ray diffraction, atomic force microscopy, Fourier transform infrared and Raman spectroscopy. In addition, the main fluorescence methods employed to detect the in vitro nanoparticles interaction with skin cell lines, such as fluorescence-activated cell sorting or confocal imaging, are described, considering different examples of applications. Finally, recent studies on the techniques employed to determine the nanoparticle presence in the skin by ex vivo and in vivo models are reported.
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Affiliation(s)
- Valentyn Dzyhovskyi
- Department of Translational Medicine, University of Ferrara, 44121 Ferrara, Italy; (V.D.); (A.R.); (E.M.); (E.P.)
| | - Arianna Romani
- Department of Translational Medicine, University of Ferrara, 44121 Ferrara, Italy; (V.D.); (A.R.); (E.M.); (E.P.)
- Laboratorio per le Tecnologie delle Terapie Avanzate (LTTA) Centre, University of Ferrara, 44121 Ferrara, Italy;
| | - Walter Pula
- Department of Chemical, Pharmaceutical and Agricultural Sciences, University of Ferrara, 44121 Ferrara, Italy; (W.P.); (A.B.); (F.F.); (M.S.)
| | - Agnese Bondi
- Department of Chemical, Pharmaceutical and Agricultural Sciences, University of Ferrara, 44121 Ferrara, Italy; (W.P.); (A.B.); (F.F.); (M.S.)
| | - Francesca Ferrara
- Department of Chemical, Pharmaceutical and Agricultural Sciences, University of Ferrara, 44121 Ferrara, Italy; (W.P.); (A.B.); (F.F.); (M.S.)
| | - Elisabetta Melloni
- Department of Translational Medicine, University of Ferrara, 44121 Ferrara, Italy; (V.D.); (A.R.); (E.M.); (E.P.)
- Laboratorio per le Tecnologie delle Terapie Avanzate (LTTA) Centre, University of Ferrara, 44121 Ferrara, Italy;
| | - Arianna Gonelli
- Department of Environmental and Prevention Sciences, University of Ferrara, 44121 Ferrara, Italy;
| | - Elena Pozza
- Department of Translational Medicine, University of Ferrara, 44121 Ferrara, Italy; (V.D.); (A.R.); (E.M.); (E.P.)
| | - Rebecca Voltan
- Laboratorio per le Tecnologie delle Terapie Avanzate (LTTA) Centre, University of Ferrara, 44121 Ferrara, Italy;
- Department of Environmental and Prevention Sciences, University of Ferrara, 44121 Ferrara, Italy;
| | - Maddalena Sguizzato
- Department of Chemical, Pharmaceutical and Agricultural Sciences, University of Ferrara, 44121 Ferrara, Italy; (W.P.); (A.B.); (F.F.); (M.S.)
| | - Paola Secchiero
- Department of Translational Medicine, University of Ferrara, 44121 Ferrara, Italy; (V.D.); (A.R.); (E.M.); (E.P.)
- Laboratorio per le Tecnologie delle Terapie Avanzate (LTTA) Centre, University of Ferrara, 44121 Ferrara, Italy;
| | - Elisabetta Esposito
- Department of Chemical, Pharmaceutical and Agricultural Sciences, University of Ferrara, 44121 Ferrara, Italy; (W.P.); (A.B.); (F.F.); (M.S.)
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9
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Sun G, Huang S, Wang S, Li Y. Nanomaterial-based drug-delivery system as an aid to antimicrobial photodynamic therapy in treating oral biofilm. Future Microbiol 2024; 19:741-759. [PMID: 38683167 PMCID: PMC11259068 DOI: 10.2217/fmb-2023-0259] [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: 11/16/2023] [Accepted: 02/01/2024] [Indexed: 05/01/2024] Open
Abstract
Diverse microorganisms live as biofilm in the mouth accounts for oral diseases and treatment failure. For decades, the prevention and treatment of oral biofilm is a global challenge. Antimicrobial photodynamic therapy (aPDT) holds promise for oral biofilm elimination due to its several traits, including broad-spectrum antimicrobial capacity, lower possibility of resistance and low cytotoxicity. However, the physicochemical properties of photosensitizers and the biological barrier of oral biofilm have limited the efficiency of aPDT. Nanomaterials has been used to fabricate nanocarriers to improve photosensitizer properties and thus enhance antimicrobial effect. In this review, we have discussed the challenges of aPDT used in dentistry, categorized the nanomaterial-delivery system and listed the possible mechanisms involved in nanomaterials when enhancing aPDT effect.
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Affiliation(s)
- Guanwen Sun
- Department of stomatology, Fujian Medical University Xiamen Humanity Hospital, Xiamen, China
| | - Shan Huang
- Department of stomatology, Zhongshan Hospital affiliated to Xiamen University, Xiamen, China
| | - Shaofeng Wang
- Department of Endodontics, Stomatological Hospital of Xiamen Medical College, Xiamen, China
| | - Yijun Li
- Department of Endodontics, Stomatological Hospital of Xiamen Medical College, Xiamen, China
- Xiamen Key Laboratory of Stomatological Disease Diagnosis & Treatment, Xiamen, China
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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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11
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Viera Herrera C, O'Connor PM, Ratrey P, Paul Ross R, Hill C, Hudson SP. Anionic liposome formulation for oral delivery of thuricin CD, a potential antimicrobial peptide therapeutic. Int J Pharm 2024; 654:123918. [PMID: 38401875 PMCID: PMC7615751 DOI: 10.1016/j.ijpharm.2024.123918] [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: 12/18/2023] [Revised: 01/30/2024] [Accepted: 02/16/2024] [Indexed: 02/26/2024]
Abstract
Thuricin CD is a two-peptide antimicrobial produced by Bacillus thuringiensis. Unlike previous antibiotics, it has shown narrow spectrum activity against Clostridioides difficile, a bacterium capable of causing infectious disease in the colon. However, peptide antibiotics have stability, solubility, and permeability problems that can affect their performance in vivo. This work focuses on the bioactivity and bioavailability of thuricin CD with a view to developing a formulation for delivery of active thuricin CD peptides through the gastrointestinal tract (GIT) for local delivery in the colon. The results indicate that thuricin CD is active at low concentrations only when both peptides are present. While thuricin CD was degraded by proteases and was unstable and poorly soluble in gastric fluid, it showed increased solubility in intestinal fluid, probably due to micelle encapsulation. Based on this, thuricin CD was encapsulated in anionic liposomes, which showed increased activity compared to the free peptide, maintained activity after exposure to pepsin in gastric fluid and intestinal fluid, was stable in suspension for over 21 days at room temperature and for 60 days at 4 °C, and exhibited no toxicity to epithelial intestinal cells. These findings suggest that an anionic lipid-based nano formulation may be a promising approach for local oral delivery of thuricin CD.
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Affiliation(s)
- Camila Viera Herrera
- Department of Chemical Sciences, Bernal Institute, University of Limerick, Ireland
| | - Paula M O'Connor
- Food Biosciences, Teagasc, Moorepark Food Research Centre, Fermoy, Co. Cork, Ireland; APC Microbiome Ireland Cork, Cork, Ireland
| | - Poonam Ratrey
- Department of Chemical Sciences, Bernal Institute, University of Limerick, Ireland
| | - R Paul Ross
- APC Microbiome Ireland Cork, Cork, Ireland; School of Microbiology, University College Cork, College Road, Cork, Ireland
| | - Colin Hill
- APC Microbiome Ireland Cork, Cork, Ireland; School of Microbiology, University College Cork, College Road, Cork, Ireland
| | - Sarah P Hudson
- Department of Chemical Sciences, Bernal Institute, University of Limerick, Ireland.
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12
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Pinho JO, Ferreira M, Coelho M, Pinto SN, Aguiar SI, Gaspar MM. Liposomal Rifabutin-A Promising Antibiotic Repurposing Strategy against Methicillin-Resistant Staphylococcus aureus Infections. Pharmaceuticals (Basel) 2024; 17:470. [PMID: 38675432 PMCID: PMC11053623 DOI: 10.3390/ph17040470] [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: 02/16/2024] [Revised: 03/23/2024] [Accepted: 04/04/2024] [Indexed: 04/28/2024] Open
Abstract
Methicillin-resistant Staphylococcus aureus (M RSA) infections, in particular biofilm-organized bacteria, remain a clinical challenge and a serious health problem. Rifabutin (RFB), an antibiotic of the rifamycins class, has shown in previous work excellent anti-staphylococcal activity. Here, we proposed to load RFB in liposomes aiming to promote the accumulation of RFB at infected sites and consequently enhance the therapeutic potency. Two clinical isolates of MRSA, MRSA-C1 and MRSA-C2, were used to test the developed formulations, as well as the positive control, vancomycin (VCM). RFB in free and liposomal forms displayed high antibacterial activity, with similar potency between tested formulations. In MRSA-C1, minimal inhibitory concentrations (MIC) for Free RFB and liposomal RFB were 0.009 and 0.013 μg/mL, respectively. Minimum biofilm inhibitory concentrations able to inhibit 50% biofilm growth (MBIC50) for Free RFB and liposomal RFB against MRSA-C1 were 0.012 and 0.008 μg/mL, respectively. Confocal microscopy studies demonstrated the rapid internalization of unloaded and RFB-loaded liposomes in the bacterial biofilm matrix. In murine models of systemic MRSA-C1 infection, Balb/c mice were treated with RFB formulations and VCM at 20 and 40 mg/kg of body weight, respectively. The in vivo results demonstrated a significant reduction in bacterial burden and growth index in major organs of mice treated with RFB formulations, as compared to Control and VCM (positive control) groups. Furthermore, the VCM therapeutic dose was two fold higher than the one used for RFB formulations, reinforcing the therapeutic potency of the proposed strategy. In addition, RFB formulations were the only formulations associated with 100% survival. Globally, this study emphasizes the potential of RFB nanoformulations as an effective and safe approach against MRSA infections.
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Affiliation(s)
- Jacinta O. Pinho
- Research Institute for Medicines (iMed.ULisboa), Faculty of Pharmacy, Universidade de Lisboa, Av. Prof. Gama Pinto, 1649-003 Lisboa, Portugal; (J.O.P.); (M.F.); (M.C.)
| | - Magda Ferreira
- Research Institute for Medicines (iMed.ULisboa), Faculty of Pharmacy, Universidade de Lisboa, Av. Prof. Gama Pinto, 1649-003 Lisboa, Portugal; (J.O.P.); (M.F.); (M.C.)
- Center for Interdisciplinary Research in Animal Health (CIISA), Faculty of Veterinary Medicine, Universidade de Lisboa, 1300-477 Lisboa, Portugal;
- Associate Laboratory for Animal and Veterinary Sciences (AL4AnimalS), Faculty of Veterinary Medicine, Universidade de Lisboa, 1300-477 Lisboa, Portugal
| | - Mariana Coelho
- Research Institute for Medicines (iMed.ULisboa), Faculty of Pharmacy, Universidade de Lisboa, Av. Prof. Gama Pinto, 1649-003 Lisboa, Portugal; (J.O.P.); (M.F.); (M.C.)
| | - Sandra N. Pinto
- iBB-Institute for Bioengineering and Biosciences and Associate Laboratory i4HB−Institute for Health and Bioeconomy at Department of Bioengineering, Instituto SuperiorTécnico, Universidade de Lisboa, 1049-001 Lisboa, Portugal;
| | - Sandra I. Aguiar
- Center for Interdisciplinary Research in Animal Health (CIISA), Faculty of Veterinary Medicine, Universidade de Lisboa, 1300-477 Lisboa, Portugal;
| | - Maria Manuela Gaspar
- Research Institute for Medicines (iMed.ULisboa), Faculty of Pharmacy, Universidade de Lisboa, Av. Prof. Gama Pinto, 1649-003 Lisboa, Portugal; (J.O.P.); (M.F.); (M.C.)
- IBEB, Institute of Biophysics and Biomedical Engineering, Faculty of Sciences, Universidade de Lisboa, Campo Grande, 1749-016 Lisboa, Portugal
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13
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Zuo F, Wang B, Wang L, He J, Qiu X. UV-Triggered Drug Release from Mesoporous Titanium Nanoparticles Loaded with Berberine Hydrochloride: Enhanced Antibacterial Activity. Molecules 2024; 29:1607. [PMID: 38611885 PMCID: PMC11013668 DOI: 10.3390/molecules29071607] [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: 03/12/2024] [Revised: 03/31/2024] [Accepted: 04/02/2024] [Indexed: 04/14/2024] Open
Abstract
Mesoporous titanium nanoparticles (MTN) have always been a concern and are considered to have great potential for overcoming antibiotic-resistant bacteria. In our study, MTN modified with functionalized UV-responsive ethylene imine polymer (PEI) was synthesized. The characterization of all products was performed by different analyses, including SEM, TEM, FT-IR, TGA, XRD, XPS, and N2 adsorption-desorption isotherms. The typical antibacterial drug berberine hydrochloride (BH) was encapsulated in MTN-PEI. The process exhibited a high drug loading capacity (22.71 ± 1.12%) and encapsulation rate (46.56 ± 0.52%) due to its high specific surface area of 238.43 m2/g. Moreover, UV-controlled drug release was achieved by utilizing the photocatalytic performance of MTN. The antibacterial effect of BH@MTN-PEI was investigated, which showed that it could be controlled to release BH and achieve a corresponding antibacterial effect by UV illumination for different lengths of time, with bacterial lethality reaching 37.76% after only 8 min of irradiation. The minimum inhibitory concentration (MIC) and minimum bactericidal concentration (MBC) of the nanoparticles have also been studied. The MIC of BH@MTN-PEI was confirmed as 1 mg/mL against Escherichia coli (E. coli), at which the growth of bacteria was completely inhibited during 24 h and the concentration of 5 mg/mL for BH@MTN-PEI was regarded as MBC against E. coli. Although this proof-of-concept study is far from a real-life application, it provides a possible route to the discovery and application of antimicrobial drugs.
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Affiliation(s)
- Fanjiao Zuo
- Tianjin State Key Laboratory of Modern Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China;
| | - Boyao Wang
- School of Chinese Materia Medica, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China;
| | - Lizhi Wang
- School of Traditional Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China;
| | - Jun He
- Tianjin State Key Laboratory of Modern Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China;
- Haihe Laboratory of Modern Chinese Medicine, Tianjin 301617, China
| | - Xilong Qiu
- School of Traditional Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China;
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14
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Benariba MA, Hannachi K, Rhouati A, Al-Ansi W, Cai R, Zhou N. Enhanced sensitivity in Staphylococcus aureus detection: Unveiling the impact of lipid composition on the performance of carboxyfluorescein (CF)-Loaded liposome-based assay. Talanta 2024; 270:125577. [PMID: 38141467 DOI: 10.1016/j.talanta.2023.125577] [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: 08/13/2023] [Revised: 12/10/2023] [Accepted: 12/19/2023] [Indexed: 12/25/2023]
Abstract
Liposomes have emerged as versatile nanocarriers, finding applications not only in drug delivery but also in pathogen detection and diagnostics. This study aimed to enhance the sensitivity of liposomes to Staphylococcus aureus by investigating the impact of lipid composition on liposomes loaded with 5(6)-carboxyfluorescein (CF). Liposomes were fabricated using various concentrations of cholesterol (10-40 mol%) combined with saturated phospholipids. Dynamic light scattering results revealed that higher cholesterol concentrations led to reduced liposome size, CF release (%), and entrapment efficiency (%). Liposome sensitivity towards S. aureus was evaluated by using CF-loaded liposomes with and without aptamer insertion. Liposomes with a higher cholesterol content (40 mol%) exhibited a strong ability to detect low bacterial concentrations down to 5 × 102 CFU/mL without relying solely on specific receptor-ligand recognition. However, functionalizing the liposome with an aptamer further improved the specificity and sensitivity of S. aureus detection at even lower concentrations, down to 80 CFU/mL, in the wide range of 80-107 CFU/mL. This study highlights the potential for optimizing the lipid composition of liposomes to improve their sensitivity for pathogen detection, particularly when combined with aptamer-based strategies.
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Affiliation(s)
- Mohamed Aimene Benariba
- The Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, Wuxi, 214122, China; Bioengineering Laboratory, Ecole Nationale Supérieure de Biotechnologie, Ville Universitaire Ali Mendjeli, BP E66 25100, Constantine, Algeria
| | - Kanza Hannachi
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, National Engineering Research Center for Functional Food, Jiangnan University, Wuxi, 214122, China
| | - Amina Rhouati
- Bioengineering Laboratory, Ecole Nationale Supérieure de Biotechnologie, Ville Universitaire Ali Mendjeli, BP E66 25100, Constantine, Algeria
| | - Waleed Al-Ansi
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, National Engineering Research Center for Functional Food, Jiangnan University, Wuxi, 214122, China
| | - Rongfeng Cai
- The Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, Wuxi, 214122, China
| | - Nandi Zhou
- The Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, Wuxi, 214122, China.
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15
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Bārzdiņa A, Plotniece A, Sobolev A, Pajuste K, Bandere D, Brangule A. From Polymeric Nanoformulations to Polyphenols-Strategies for Enhancing the Efficacy and Drug Delivery of Gentamicin. Antibiotics (Basel) 2024; 13:305. [PMID: 38666981 PMCID: PMC11047640 DOI: 10.3390/antibiotics13040305] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2024] [Revised: 03/25/2024] [Accepted: 03/27/2024] [Indexed: 04/29/2024] Open
Abstract
Gentamicin is an essential broad-spectrum aminoglycoside antibiotic that is used in over 40 clinical conditions and has shown activity against a wide range of nosocomial, biofilm-forming, multi-drug resistant bacteria. Nevertheless, the low cellular penetration and serious side effects of gentamicin, as well as the fear of the development of antibacterial resistance, has led to a search for ways to circumvent these obstacles. This review provides an overview of the chemical and pharmacological properties of gentamicin and offers six different strategies (the isolation of specific types of gentamicin, encapsulation in polymeric nanoparticles, hydrophobization of the gentamicin molecule, and combinations of gentamicin with other antibiotics, polyphenols, and natural products) that aim to enhance the drug delivery and antibacterial activity of gentamicin. In addition, factors influencing the synthesis of gentamicin-loaded polymeric (poly (lactic-co-glycolic acid) (PLGA) and chitosan) nanoparticles and the methods used in drug release studies are discussed. Potential research directions and future perspectives for gentamicin-loaded drug delivery systems are given.
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Affiliation(s)
- Ance Bārzdiņa
- Department of Pharmaceutical Chemistry, Riga Stradins University, 21 Konsula Str., LV-1007 Riga, Latvia; (A.P.)
- Baltic Biomaterials Centre of Excellence, Headquarters at Riga Technical University, LV-1007 Riga, Latvia
| | - Aiva Plotniece
- Department of Pharmaceutical Chemistry, Riga Stradins University, 21 Konsula Str., LV-1007 Riga, Latvia; (A.P.)
- Latvian Institute of Organic Synthesis, 21 Aizkraukles Str., LV-1006 Riga, Latvia; (A.S.); (K.P.)
| | - Arkadij Sobolev
- Latvian Institute of Organic Synthesis, 21 Aizkraukles Str., LV-1006 Riga, Latvia; (A.S.); (K.P.)
| | - Karlis Pajuste
- Latvian Institute of Organic Synthesis, 21 Aizkraukles Str., LV-1006 Riga, Latvia; (A.S.); (K.P.)
| | - Dace Bandere
- Department of Pharmaceutical Chemistry, Riga Stradins University, 21 Konsula Str., LV-1007 Riga, Latvia; (A.P.)
- Baltic Biomaterials Centre of Excellence, Headquarters at Riga Technical University, LV-1007 Riga, Latvia
| | - Agnese Brangule
- Department of Pharmaceutical Chemistry, Riga Stradins University, 21 Konsula Str., LV-1007 Riga, Latvia; (A.P.)
- Baltic Biomaterials Centre of Excellence, Headquarters at Riga Technical University, LV-1007 Riga, Latvia
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16
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Gkartziou F, Plota M, Kypraiou C, Gauttam I, Kolonitsiou F, Klepetsanis P, Spiliopoulou I, Antimisiaris SG. Daptomycin Liposomes Exhibit Enhanced Activity against Staphylococci Biofilms Compared to Free Drug. Pharmaceutics 2024; 16:459. [PMID: 38675120 PMCID: PMC11054717 DOI: 10.3390/pharmaceutics16040459] [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: 02/18/2024] [Revised: 03/21/2024] [Accepted: 03/22/2024] [Indexed: 04/28/2024] Open
Abstract
The purpose of the present study was to investigate the anti-staphylococcal activity of liposomal daptomycin against four biofilm-producing S. aureus and S. epidermidis clinical strains, three of which are methicillin-resistant. Neutral and negatively charged daptomycin-loaded liposomes were prepared using three methods, namely, thin-film hydration (TFH), a dehydration-rehydration vesicle (DRV) method, and microfluidic mixing (MM); moreover, they were characterized for drug encapsulation (EE%), size distribution, zeta-potential, vesicle stability, drug release, and drug integrity. Interestingly, whilst drug loading in THF and DRV nanosized (by extrusion) vesicles was around 30-35, very low loading (~4%) was possible in MM vesicles, requiring further explanatory investigations. Liposomal encapsulation protected daptomycin from degradation and preserved its bioactivity. Biofilm mass (crystal violet, CV), biofilm viability (MTT), and growth curve (GC) assays evaluated the antimicrobial activity of neutral and negatively charged daptomycin-liposomes towards planktonic bacteria and biofilms. Neutral liposomes exhibited dramatically enhanced inhibition of bacterial growth (compared to the free drug) for all species studied, while negatively charged liposomes were totally inactive. Biofilm prevention and treatment studies revealed high antibiofilm activity of liposomal daptomycin. Neutral liposomes were more active for prevention and negative charge ones for treating established biofilms. Planktonic bacteria as well as the matured biofilms of low daptomycin-susceptible, methicillin-resistant Staphylococcus aureus (MRSA) and Staphylococcus epidermidis (MRSE) strains were almost completely eradicated by liposomal-daptomycin, indicating the need for their further exploration as antimicrobial therapeutics.
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Affiliation(s)
- Foteini Gkartziou
- Department of Pharmacy, School of Health Sciences, University of Patras, 26504 Patras, Greece; (C.K.)
- Institute of Chemical Engineering Sciences, FORTH/ICE-HT, Platani, 26504 Patras, Greece
| | - Maria Plota
- Department of Microbiology, School of Medicine, University of Patras, 26504 Patras, Greece; (M.P.); (F.K.)
- National Reference Centre for Staphylococci, School of Medicine, University of Patras, 26504 Patras, Greece;
| | - Charikleia Kypraiou
- Department of Pharmacy, School of Health Sciences, University of Patras, 26504 Patras, Greece; (C.K.)
| | - Iti Gauttam
- Department of Pharmacy, School of Health Sciences, University of Patras, 26504 Patras, Greece; (C.K.)
| | - Fevronia Kolonitsiou
- Department of Microbiology, School of Medicine, University of Patras, 26504 Patras, Greece; (M.P.); (F.K.)
- National Reference Centre for Staphylococci, School of Medicine, University of Patras, 26504 Patras, Greece;
| | - Pavlos Klepetsanis
- Department of Pharmacy, School of Health Sciences, University of Patras, 26504 Patras, Greece; (C.K.)
- Institute of Chemical Engineering Sciences, FORTH/ICE-HT, Platani, 26504 Patras, Greece
| | - Iris Spiliopoulou
- National Reference Centre for Staphylococci, School of Medicine, University of Patras, 26504 Patras, Greece;
| | - Sophia G. Antimisiaris
- Department of Pharmacy, School of Health Sciences, University of Patras, 26504 Patras, Greece; (C.K.)
- Institute of Chemical Engineering Sciences, FORTH/ICE-HT, Platani, 26504 Patras, Greece
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17
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Nsairat H, Ibrahim AA, Jaber AM, Abdelghany S, Atwan R, Shalan N, Abdelnabi H, Odeh F, El-Tanani M, Alshaer W. Liposome bilayer stability: emphasis on cholesterol and its alternatives. J Liposome Res 2024; 34:178-202. [PMID: 37378553 DOI: 10.1080/08982104.2023.2226216] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2023] [Revised: 05/15/2023] [Accepted: 06/12/2023] [Indexed: 06/29/2023]
Abstract
Liposomes are spherical lipidic nanocarriers composed of natural or synthetic phospholipids with a hydrophobic bilayer and aqueous core, which are arranged into a polar head and a long hydrophobic tail, forming an amphipathic nano/micro-particle. Despite numerous liposomal applications, their use encounters many challenges related to the physicochemical properties strongly affected by their constituents, colloidal stability, and interactions with the biological environment. This review aims to provide a perspective and a clear idea about the main factors that regulate the liposomes' colloidal and bilayer stability, emphasising the roles of cholesterol and its possible alternatives. Moreover, this review will analyse strategies that offer possible approaches to provide more stable in vitro and in vivo liposomes with enhanced drug release and encapsulation efficiencies.
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Affiliation(s)
- Hamdi Nsairat
- Pharmacological and Diagnostic Research Center, Faculty of Pharmacy, Al-Ahliyya Amman University, Amman, Jordan
| | - Abed Alqader Ibrahim
- Department of Nanoscience, Joint School of Nanoscience and Nanoengineering, University of North Carolina at Greensboro, Greensboro, NC, USA
| | - Areej M Jaber
- Pharmacological and Diagnostic Research Center, Faculty of Pharmacy, Al-Ahliyya Amman University, Amman, Jordan
| | | | - Randa Atwan
- Pharmacological and Diagnostic Research Center, Faculty of Pharmacy, Al-Ahliyya Amman University, Amman, Jordan
| | - Naeem Shalan
- Pharmacological and Diagnostic Research Center, Faculty of Pharmacy, Al-Ahliyya Amman University, Amman, Jordan
| | - Hiba Abdelnabi
- Faculty of Pharmacy, The University of Jordan, Amman, Jordan
- Cell Therapy Center, The University of Jordan, Amman, Jordan
| | - Fadwa Odeh
- Department of Chemistry, The University of Jordan, Amman, Jordan
| | - Mohamed El-Tanani
- Pharmacological and Diagnostic Research Center, Faculty of Pharmacy, Al-Ahliyya Amman University, Amman, Jordan
- Institute of Cancer Therapeutics, University of Bradford, Bradford, UK
| | - Walhan Alshaer
- Cell Therapy Center, The University of Jordan, Amman, Jordan
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18
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Li L, Gao X, Li M, Liu Y, Ma J, Wang X, Yu Z, Cheng W, Zhang W, Sun H, Song X, Wang Z. Relationship between biofilm formation and antibiotic resistance of Klebsiella pneumoniae and updates on antibiofilm therapeutic strategies. Front Cell Infect Microbiol 2024; 14:1324895. [PMID: 38465230 PMCID: PMC10920351 DOI: 10.3389/fcimb.2024.1324895] [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: 10/20/2023] [Accepted: 02/02/2024] [Indexed: 03/12/2024] Open
Abstract
Klebsiella pneumoniae is a Gram-negative bacterium within the Enterobacteriaceae family that can cause multiple systemic infections, such as respiratory, blood, liver abscesses and urinary systems. Antibiotic resistance is a global health threat and K. pneumoniae warrants special attention due to its resistance to most modern day antibiotics. Biofilm formation is a critical obstruction that enhances the antibiotic resistance of K. pneumoniae. However, knowledge on the molecular mechanisms of biofilm formation and its relation with antibiotic resistance in K. pneumoniae is limited. Understanding the molecular mechanisms of biofilm formation and its correlation with antibiotic resistance is crucial for providing insight for the design of new drugs to control and treat biofilm-related infections. In this review, we summarize recent advances in genes contributing to the biofilm formation of K. pneumoniae, new progress on the relationship between biofilm formation and antibiotic resistance, and new therapeutic strategies targeting biofilms. Finally, we discuss future research directions that target biofilm formation and antibiotic resistance of this priority pathogen.
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Affiliation(s)
- Lifeng Li
- Henan International Joint Laboratory of Children’s Infectious Diseases, Department of Neonatology, Children’s Hospital Affiliated to Zhengzhou University, Henan Children’s Hospital, Zhengzhou Children’s Hospital, Zhengzhou, China
- Department of Epidemiology, College of Public Health, Zhengzhou University, Zhengzhou, China
| | - Xueyan Gao
- Medical Science and Technology Innovation Center, Shandong First Medical University & Shandong Academy of Medical Sciences, Jinan, China
- State Key Laboratory of Microbial Technology, Shandong University, Qingdao, China
| | - Mingchao Li
- Henan International Joint Laboratory of Children’s Infectious Diseases, Department of Neonatology, Children’s Hospital Affiliated to Zhengzhou University, Henan Children’s Hospital, Zhengzhou Children’s Hospital, Zhengzhou, China
| | - Yuchun Liu
- Henan International Joint Laboratory of Children’s Infectious Diseases, Department of Neonatology, Children’s Hospital Affiliated to Zhengzhou University, Henan Children’s Hospital, Zhengzhou Children’s Hospital, Zhengzhou, China
| | - Jiayue Ma
- Henan International Joint Laboratory of Children’s Infectious Diseases, Department of Neonatology, Children’s Hospital Affiliated to Zhengzhou University, Henan Children’s Hospital, Zhengzhou Children’s Hospital, Zhengzhou, China
| | - Xiaolei Wang
- State Key Laboratory Cultivation Base, Shandong Provincial Key Laboratory of Ophthalmology, Eye Institute of Shandong First Medical University, Qingdao, China
| | - Zhidan Yu
- Henan International Joint Laboratory of Children’s Infectious Diseases, Department of Neonatology, Children’s Hospital Affiliated to Zhengzhou University, Henan Children’s Hospital, Zhengzhou Children’s Hospital, Zhengzhou, China
| | - Weyland Cheng
- Henan International Joint Laboratory of Children’s Infectious Diseases, Department of Neonatology, Children’s Hospital Affiliated to Zhengzhou University, Henan Children’s Hospital, Zhengzhou Children’s Hospital, Zhengzhou, China
| | - Wancun Zhang
- Henan International Joint Laboratory of Children’s Infectious Diseases, Department of Neonatology, Children’s Hospital Affiliated to Zhengzhou University, Henan Children’s Hospital, Zhengzhou Children’s Hospital, Zhengzhou, China
| | - Huiqing Sun
- Henan International Joint Laboratory of Children’s Infectious Diseases, Department of Neonatology, Children’s Hospital Affiliated to Zhengzhou University, Henan Children’s Hospital, Zhengzhou Children’s Hospital, Zhengzhou, China
| | - Xiaorui Song
- Henan International Joint Laboratory of Children’s Infectious Diseases, Department of Neonatology, Children’s Hospital Affiliated to Zhengzhou University, Henan Children’s Hospital, Zhengzhou Children’s Hospital, Zhengzhou, China
| | - Zhaobao Wang
- Energy-rich Compounds Production by Photosynthetic Carbon Fixation Research Center, Shandong Key Lab of Applied Mycology, College of Life Sciences, Qingdao Agricultural University, Qingdao, China
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19
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Gonçalves T, Marques AT, Manageiro V, Tanoeiro L, Vital JS, Duarte A, Vítor JMB, Caniça M, Gaspar MM, Vale FF. Antimicrobial activity of prophage endolysins against critical Enterobacteriaceae antibiotic-resistant bacteria. Int J Pharm 2024; 651:123758. [PMID: 38160991 DOI: 10.1016/j.ijpharm.2023.123758] [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: 09/22/2023] [Revised: 12/21/2023] [Accepted: 12/29/2023] [Indexed: 01/03/2024]
Abstract
Enterobacteriaceae species are part of the 2017 World Health Organization antibiotic-resistant priority pathogens list for development of novel medicines. Multidrug-resistant Klebsiella pneumoniae is an increasing threat to public health and has become a relevant human pathogen involved in life-threatening infections. Phage therapy involves the use of phages or their lytic endolysins as bioagents for the treatment of bacterial infectious diseases. Gram-negative bacteria have an outer membrane, making difficult the access of endolysins to the peptidoglycan. Here, three endolysins from prophages infecting three distinct Enterobacterales species, Kp2948-Lys from K. pneumoniae, Ps3418-Lys from Providencia stuartii, and Kaer26608-Lys from Klebsiella aerogenes, were purified and exhibited antibacterial activity against their specific bacterium species verified by zymogram assays. These three endolysins were successfully associated to liposomes composed of dimyristoyl phosphatidyl choline (DMPC), dioleoyl phosphatidyl ethanolamine (DOPE) and cholesteryl hemisuccinate (CHEMS) at a molar ratio (4:4:2), with an encapsulation efficiency ranging from 24 to 27%. Endolysins encapsulated in liposomes resulted in higher antibacterial activity compared to the respective endolysin in the free form, suggesting that the liposome-mediated delivery system enhances fusion with outer membrane and delivery of endolysins to the target peptidoglycan. Obtained results suggest that Kp2948-Lys appears to be specific for K. pneumoniae, while Ps3418-Lys and Kaer26608-Lys appear to have a broader antibacterial spectrum. Endolysins incorporated in liposomes constitute a promising weapon, applicable in the several dimensions (human, animals and environment) of the One Health approach, against multidrug-resistant Enterobacteriaceae.
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Affiliation(s)
- Tiago Gonçalves
- Pathogen Genome Bioinformatics and Computational Biology, Research Institute for Medicines (iMed.ULisboa), Faculty of Pharmacy, Universidade de Lisboa, 1649-003 Lisboa, Portugal; Advanced Technologies for Drug Delivery, Research Institute for Medicines (iMed-ULisboa), Faculty of Pharmacy, Universidade de Lisboa, 1649-003 Lisboa, Portugal
| | - Andreia T Marques
- Pathogen Genome Bioinformatics and Computational Biology, Research Institute for Medicines (iMed.ULisboa), Faculty of Pharmacy, Universidade de Lisboa, 1649-003 Lisboa, Portugal
| | - Vera Manageiro
- National Reference Laboratory of Antibiotic Resistances and Healthcare Associated Infections, Department of Infectious Diseases, National Institute of Health Dr. Ricardo Jorge, Lisbon, Portugal; Centre for the Studies of Animal Science, Institute of Agrarian and Agri-Food Sciences and Technologies, University of Porto, Porto, Portugal; AL4AnimalS, Associate Laboratory for Animal and Veterinary Sciences, Portugal
| | - Luis Tanoeiro
- Pathogen Genome Bioinformatics and Computational Biology, Research Institute for Medicines (iMed.ULisboa), Faculty of Pharmacy, Universidade de Lisboa, 1649-003 Lisboa, Portugal
| | - Joana S Vital
- Pathogen Genome Bioinformatics and Computational Biology, Research Institute for Medicines (iMed.ULisboa), Faculty of Pharmacy, Universidade de Lisboa, 1649-003 Lisboa, Portugal
| | - Aida Duarte
- Faculty of Pharmacy, Universidade de Lisboa, Av. Gama Pinto, 1649-003 Lisboa, Portugal; Centro de Investigação Interdisciplinar Egas Moniz (CiiEM), Instituto Superior Egas Moniz, Quinta da Granja, 2829-511 Monte da Caparica, Portugal
| | - Jorge M B Vítor
- Pathogen Genome Bioinformatics and Computational Biology, Research Institute for Medicines (iMed.ULisboa), Faculty of Pharmacy, Universidade de Lisboa, 1649-003 Lisboa, Portugal; Faculty of Pharmacy, Universidade de Lisboa, Av. Gama Pinto, 1649-003 Lisboa, Portugal
| | - Manuela Caniça
- National Reference Laboratory of Antibiotic Resistances and Healthcare Associated Infections, Department of Infectious Diseases, National Institute of Health Dr. Ricardo Jorge, Lisbon, Portugal; Centre for the Studies of Animal Science, Institute of Agrarian and Agri-Food Sciences and Technologies, University of Porto, Porto, Portugal; AL4AnimalS, Associate Laboratory for Animal and Veterinary Sciences, Portugal; CIISA, Center for Interdisciplinary Research in Animal Health, Faculty of Veterinary Medicine, University of Lisbon, Lisbon, Portugal
| | - Maria Manuela Gaspar
- Advanced Technologies for Drug Delivery, Research Institute for Medicines (iMed-ULisboa), Faculty of Pharmacy, Universidade de Lisboa, 1649-003 Lisboa, Portugal
| | - Filipa F Vale
- Pathogen Genome Bioinformatics and Computational Biology, Research Institute for Medicines (iMed.ULisboa), Faculty of Pharmacy, Universidade de Lisboa, 1649-003 Lisboa, Portugal; BioISI - Instituto de Biosistemas e Ciências Integrativas, Faculdade de Ciências, Universidade de Lisboa, Campo Grande, 1749-016 Lisboa, Portugal.
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20
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Bharathi D, Lee JH, Lee J. Enhancement of antimicrobial and antibiofilm activities of liposomal fatty acids. Colloids Surf B Biointerfaces 2024; 234:113698. [PMID: 38070368 DOI: 10.1016/j.colsurfb.2023.113698] [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: 10/15/2023] [Revised: 11/27/2023] [Accepted: 12/04/2023] [Indexed: 02/09/2024]
Abstract
Microbial biofilms are protected surface-attached communities of bacteria or fungi with high drug tolerance that typically cause persistent infections. Smart drug carriers are being explored as a promising platform of antimicrobials to address their recalcitrance to antibiotic agents and minimize the side effects of current therapies. In this study, soy lecithin liposomes loaded with lauric acid (LA) and myristoleic acid (MA) were formulated using an emulsification method, and their antibiofilm properties were evaluated. The physio-chemical properties of the most potent liposome were characterized using a zeta sizer, transmission electron microscopy (TEM), fourier transform infrared spectroscopy, and nuclear magnetic resonance spectroscopy. TEM and zeta sizer analysis of the liposome revealed a homogeneous spherical structure with an average size of 159.2 nm and zeta potential of - 5.4 mV. The unilamellar liposomes loaded with LA at 0.1-0.5 µg/mL achieved obvious antibiofilm efficiency against Staphylococcus aureus and Candida albicans and their dual biofilms. Also, LA-loaded liposome formulation efficiently disrupted preformed biofilms of S. aureus and C. albicans. Furthermore, formulated liposomal LA (0.1 µg/mL) exhibited 100-fold increased dual biofilm inhibition compared to LA alone. The single biofilms and dual biofilm formation on polystyrene were reduced as determined by 3D-bright field and scanning electron microscopy. Zeta potential measurements exhibited neutralized surface charge of S. aureus, and the liposomes inhibited hyphae formation in C. albicans. These findings demonstrated that the LA-incorporated liposomes have great potential to become a new, effective, and good antibiofilm agent for treating S. aureus and C. albicans infections.
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Affiliation(s)
- Devaraj Bharathi
- School of Chemical Engineering, Yeungnam University, 280 Daehak-Ro, Gyeongsan 38541, Republic of Korea
| | - Jin-Hyung Lee
- School of Chemical Engineering, Yeungnam University, 280 Daehak-Ro, Gyeongsan 38541, Republic of Korea
| | - Jintae Lee
- School of Chemical Engineering, Yeungnam University, 280 Daehak-Ro, Gyeongsan 38541, Republic of Korea.
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21
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Werner J, Umstätter F, Hertlein T, Beijer B, Kleist C, Mühlberg E, Zimmermann S, Haberkorn U, Ohlsen K, Fricker G, Mier W, Uhl P. Improved pharmacokinetics and enhanced efficacy of the vancomycin derivative FU002 using a liposomal nanocarrier. NANOMEDICINE : NANOTECHNOLOGY, BIOLOGY, AND MEDICINE 2024; 56:102731. [PMID: 38158147 DOI: 10.1016/j.nano.2023.102731] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/11/2023] [Revised: 08/25/2023] [Accepted: 12/12/2023] [Indexed: 01/03/2024]
Abstract
Antibiotic resistance still represents a global health concern which diminishes the pool of effective antibiotics. With the vancomycin derivative FU002, we recently reported a highly potent substance active against Gram-positive bacteria with the potential to overcome vancomycin resistance. However, the translation of its excellent antimicrobial activity into clinical efficiency could be hampered by its rapid elimination from the blood stream. To improve its pharmacokinetics, we encapsulated FU002 in PEGylated liposomes. For PEG-liposomal FU002, no relevant cytotoxicity on liver, kidney and red blood cells was observed. Studies in Wistar rats revealed a significantly prolonged blood circulation of the liposomal antibiotic. In microdilution assays it could be demonstrated that encapsulation does not diminish the antimicrobial activity against staphylococci and enterococci. Highlighting its great potency, liposomal FU002 exhibited a superior therapeutic efficacy when compared to the free form in a Galleria mellonella larvae infection model.
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Affiliation(s)
- Julia Werner
- Heidelberg University Hospital, Department of Nuclear Medicine, Heidelberg, Germany
| | - Florian Umstätter
- Heidelberg University Hospital, Department of Nuclear Medicine, Heidelberg, Germany
| | - Tobias Hertlein
- University of Würzburg, Institute for Molecular Infection Biology, Würzburg, Germany
| | - Barbro Beijer
- Heidelberg University Hospital, Department of Nuclear Medicine, Heidelberg, Germany
| | - Christian Kleist
- Heidelberg University Hospital, Department of Nuclear Medicine, Heidelberg, Germany
| | - Eric Mühlberg
- Heidelberg University Hospital, Department of Nuclear Medicine, Heidelberg, Germany
| | - Stefan Zimmermann
- Heidelberg University Hospital, Department of Infectious Diseases, Medical Microbiology and Hygiene, Heidelberg, Germany
| | - Uwe Haberkorn
- Heidelberg University Hospital, Department of Nuclear Medicine, Heidelberg, Germany
| | - Knut Ohlsen
- University of Würzburg, Institute for Molecular Infection Biology, Würzburg, Germany
| | - Gert Fricker
- Heidelberg University, Institute of Pharmacy and Molecular Biotechnology, Heidelberg, Germany
| | - Walter Mier
- Heidelberg University Hospital, Department of Nuclear Medicine, Heidelberg, Germany
| | - Philipp Uhl
- Heidelberg University Hospital, Department of Nuclear Medicine, Heidelberg, Germany; Heidelberg University, Institute of Pharmacy and Molecular Biotechnology, Heidelberg, Germany.
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22
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Arroyo-Urea EM, Lázaro-Díez M, Garmendia J, Herranz F, González-Paredes A. Lipid-based nanomedicines for the treatment of bacterial respiratory infections: current state and new perspectives. Nanomedicine (Lond) 2024; 19:325-343. [PMID: 38270350 DOI: 10.2217/nnm-2023-0243] [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] [Indexed: 01/26/2024] Open
Abstract
The global threat posed by antimicrobial resistance demands urgent action and the development of effective drugs. Lower respiratory tract infections remain the deadliest communicable disease worldwide, often challenging to treat due to the presence of bacteria that form recalcitrant biofilms. There is consensus that novel anti-infectives with reduced resistance compared with conventional antibiotics are needed, leading to extensive research on innovative antibacterial agents. This review explores the recent progress in lipid-based nanomedicines developed to counteract bacterial respiratory infections, especially those involving biofilm growth; focuses on improved drug bioavailability and targeting and highlights novel strategies to enhance treatment efficacy while emphasizing the importance of continued research in this dynamic field.
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Affiliation(s)
- Eva María Arroyo-Urea
- Instituto de Química Médica, Consejo Superior de Investigaciones Científicas (IQM-CSIC), C/ Juan de la Cierva, 3, 28006, Madrid, Spain
| | - María Lázaro-Díez
- Instituto de Agrobiotecnología, Consejo Superior de Investigaciones Científicas y Gobierno de Navarra (IdAB-CSIC), Av. de Pamplona, 123, 31192, Mutilva, Navarra, Spain
| | - Junkal Garmendia
- Instituto de Agrobiotecnología, Consejo Superior de Investigaciones Científicas y Gobierno de Navarra (IdAB-CSIC), Av. de Pamplona, 123, 31192, Mutilva, Navarra, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Respiratorias (CIBERES), Av. Monforte de Lemos, 3-5, 28029, Madrid, Spain
| | - Fernando Herranz
- Instituto de Química Médica, Consejo Superior de Investigaciones Científicas (IQM-CSIC), C/ Juan de la Cierva, 3, 28006, Madrid, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Respiratorias (CIBERES), Av. Monforte de Lemos, 3-5, 28029, Madrid, Spain
| | - Ana González-Paredes
- Instituto de Química Médica, Consejo Superior de Investigaciones Científicas (IQM-CSIC), C/ Juan de la Cierva, 3, 28006, Madrid, Spain
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23
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Luo Y, Chen H, Chen H, Xiu P, Zeng J, Song Y, Li T. Recent Advances in Nanotechnology-Based Strategies for Bone Tuberculosis Management. Pharmaceuticals (Basel) 2024; 17:170. [PMID: 38399384 PMCID: PMC10893314 DOI: 10.3390/ph17020170] [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: 01/02/2024] [Revised: 01/26/2024] [Accepted: 01/26/2024] [Indexed: 02/25/2024] Open
Abstract
Bone tuberculosis, an extrapulmonary manifestation of tuberculosis, presents unique treatment challenges, including its insidious onset and complex pathology. While advancements in anti-tubercular therapy have been made, the efficacy is often limited by difficulties in achieving targeted drug concentrations and avoiding systemic toxicity. The intricate bone structure and presence of granulomas further impede effective drug delivery. Nano-drug delivery systems have emerged as a promising alternative, offering the enhanced targeting of anti-tubercular drugs. These systems, characterized by their minute size and adaptable surface properties, can be tailored to improve drug solubility, stability, and bioavailability, while also responding to specific stimuli within the bone TB microenvironment for controlled drug release. Nano-drug delivery systems can encapsulate drugs for precise delivery to the infection site. A significant innovation is their integration with prosthetics or biomaterials, which aids in both drug delivery and bone reconstruction, addressing the infection and its osteological consequences. This review provides a comprehensive overview of the pathophysiology of bone tuberculosis and its current treatments, emphasizing their limitations. It then delves into the advancements in nano-drug delivery systems, discussing their design, functionality, and role in bone TB therapy. The review assesses their potential in preclinical research, particularly in targeted drug delivery, treatment efficacy, and a reduction of side effects. Finally, it highlights the transformative promise of nanotechnology in bone TB treatments and suggests future research directions in this evolving field.
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Affiliation(s)
| | | | | | | | | | | | - Tao Li
- Department of Orthopedic Surgery and Orthopedic Research Institute, West China Hospital, Sichuan University, No. 37 Guo Xue Xiang, Chengdu 610041, China; (Y.L.); (H.C.); (H.C.); (P.X.); (J.Z.); (Y.S.)
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24
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Razei A, Javanbakht M, Hajizade A, Heiat M, Zhao S, Aghamollaei H, Saadati M, Khafaei M, Asadi M, Cegolon L, Keihan AH. Nano and microparticle drug delivery systems for the treatment of Brucella infections. Biomed Pharmacother 2023; 169:115875. [PMID: 37979375 DOI: 10.1016/j.biopha.2023.115875] [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: 04/05/2023] [Revised: 11/06/2023] [Accepted: 11/07/2023] [Indexed: 11/20/2023] Open
Abstract
Nano-based drug delivery systems are increasingly used for diagnosis, prevention and treatment of several diseases, thanks to several beneficial properties, including the ability to target specific cells or organs, allowing to reduce treatment costs and side effects frequently associated with chemotherapeutic medications, thereby improving treatment compliance of patients. In the field of communicable diseases, especially those caused by intracellular bacteria, the delivery of antibiotics targeting specific cells is of critical importance to maximize their treatment efficacy. Brucella melitensis, an intracellular obligate bacterium surviving and replicating inside macrophages is hard to be eradicated, mainly because of the low ability of antibiotics to enter these phagocityc cells . Although different antibiotics regimens including gentamicin, doxycycline and rifampicin are in fact used against the Brucellosis, no efficient treatment has been attained yet, due to the intracellular life of the respective pathogen. Nano-medicines responding to environmental stimuli allow to maximize drug delivery targeting macropages, thereby boosting treatment efficacy. Several drug delivery nano-technologies, including solid lipid nanoparticles, liposomes, chitosan, niosomes, and their combinations with chitosan sodium alginate can be employed in combination of antibiotics to successfully eradicate Brucellosis infection from patients.
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Affiliation(s)
- Ali Razei
- Chemical Injuries Research Center, Systems Biology and Poisonings Institute, Baqiyatallah University of Medical Sciences, Tehran, Iran.
| | - Mohammad Javanbakht
- Nephrology and Urology Research Center,Clinical Science Institute, Baqiyatallah University of Medical Sciences, Tehran, Iran.
| | - Abbas Hajizade
- Biology Research Centre, Faculty of Basic Sciences, Imam Hossain University, Tehran, Iran
| | - Mohammad Heiat
- Baqiyatallah Research Center for Gastroenterology and Liver Diseases (BRCGL), Clinical Sciences Institute, Baqiyatallah University of Medical Sciences, Tehran, Iran
| | - Shi Zhao
- JC School of Public Health and Primary Care, Chinese University of Hong Kong, Hong Kong, China
| | - Hossien Aghamollaei
- Chemical Injuries Research Center, Systems Biology and Poisonings Institute, Baqiyatallah University of Medical Sciences, Tehran, Iran
| | - Mojtaba Saadati
- Biology Research Centre, Faculty of Basic Sciences, Imam Hossain University, Tehran, Iran
| | - Mostafa Khafaei
- Human Genetics Research Center, Baqiyatallah Medical Science University, Tehran, Iran
| | - Mosa Asadi
- Nephrology and Urology Research Center,Clinical Science Institute, Baqiyatallah University of Medical Sciences, Tehran, Iran
| | - Luca Cegolon
- University of Trieste, Department of Medical, Surgical & Health Sciences, Trieste, Italy; University Health Agency Giuliano-Isontina (ASUGI), Public Health Department, Trieste, Italy
| | - Amir Homayoun Keihan
- Molecular Biology Research Center, Systems Biology and Poisonings Institute, Baqiyatallah University of Medical Sciences, Tehran, Iran
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25
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Prevete G, Simonis B, Mazzonna M, Mariani F, Donati E, Sennato S, Ceccacci F, Bombelli C. Resveratrol and Resveratrol-Loaded Galactosylated Liposomes: Anti-Adherence and Cell Wall Damage Effects on Staphylococcus aureus and MRSA. Biomolecules 2023; 13:1794. [PMID: 38136664 PMCID: PMC10741626 DOI: 10.3390/biom13121794] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2023] [Revised: 12/07/2023] [Accepted: 12/11/2023] [Indexed: 12/24/2023] Open
Abstract
Antibiotic resistance due to bacterial biofilm formation is a major global health concern that makes the search for new therapeutic approaches an urgent need. In this context,, trans-resveratrol (RSV), a polyphenolic natural substance, seems to be a good candidate for preventing and eradicating biofilm-associated infections but its mechanism of action is poorly understood. In addition, RSV suffers from low bioavailability and chemical instability in the biological media that make its encapsulation in delivery systems necessary. In this work, the anti-biofilm activity of free RSV was investigated on Staphylococcus aureus and, to highlight the possible mechanism of action, we studied the anti-adherence activity and also the cell wall damage on a MRSA strain. Free RSV activity was compared to that of RSV loaded in liposomes, specifically neutral liposomes (L = DOPC/Cholesterol) and cationic liposomes (LG = DOPC/Chol/GLT1) characterized by a galactosylated amphiphile (GLT1) that promotes the interaction with bacteria. The results indicate that RSV loaded in LG has anti-adherence and anti-biofilm activity higher than free RSV. On the other side, free RSV has a higher bacterial-growth-inhibiting effect than encapsulated RSV and it can damage cell walls by creating pores; however, this effect can not prevent bacteria from growing again. This RSV ability may underlie its bacteriostatic activity.
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Affiliation(s)
- Giuliana Prevete
- Department of Chemistry and Technology of Drug, Sapienza University of Rome, Piazzale Aldo Moro 5, 00185 Rome, Italy;
- Institute for Biological Systems of Italian National Research Council (ISB-CNR), Area della Ricerca di Roma 1, Via Salaria Km 29,300, 00015 Monterotondo, Italy;
| | - Beatrice Simonis
- Institute for Biological Systems of Italian National Research Council (ISB-CNR), Secondary Office of Rome-Reaction Mechanisms c/o Department of Chemistry, Sapienza University of Rome, Piazzale Aldo Moro 5, 00185 Rome, Italy (F.C.); (C.B.)
| | - Marco Mazzonna
- Institute for Biological Systems of Italian National Research Council (ISB-CNR), Area della Ricerca di Roma 1, Via Salaria Km 29,300, 00015 Monterotondo, Italy;
| | - Francesca Mariani
- Institute for Biological Systems of Italian National Research Council (ISB-CNR), Area della Ricerca di Roma 1, Via Salaria Km 29,300, 00015 Monterotondo, Italy;
| | - Enrica Donati
- Institute for Biological Systems of Italian National Research Council (ISB-CNR), Area della Ricerca di Roma 1, Via Salaria Km 29,300, 00015 Monterotondo, Italy;
| | - Simona Sennato
- Institute for Complex Systems of the Italian National Research Council (ISC-CNR), Sede Sapienza c/o Physics Department, Sapienza University of Rome, Piazzale Aldo Moro 5, 00185 Rome, Italy;
| | - Francesca Ceccacci
- Institute for Biological Systems of Italian National Research Council (ISB-CNR), Secondary Office of Rome-Reaction Mechanisms c/o Department of Chemistry, Sapienza University of Rome, Piazzale Aldo Moro 5, 00185 Rome, Italy (F.C.); (C.B.)
| | - Cecilia Bombelli
- Institute for Biological Systems of Italian National Research Council (ISB-CNR), Secondary Office of Rome-Reaction Mechanisms c/o Department of Chemistry, Sapienza University of Rome, Piazzale Aldo Moro 5, 00185 Rome, Italy (F.C.); (C.B.)
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26
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Plotniece A, Sobolev A, Supuran CT, Carta F, Björkling F, Franzyk H, Yli-Kauhaluoma J, Augustyns K, Cos P, De Vooght L, Govaerts M, Aizawa J, Tammela P, Žalubovskis R. Selected strategies to fight pathogenic bacteria. J Enzyme Inhib Med Chem 2023; 38:2155816. [PMID: 36629427 PMCID: PMC9848314 DOI: 10.1080/14756366.2022.2155816] [Citation(s) in RCA: 13] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023] Open
Abstract
Natural products and analogues are a source of antibacterial drug discovery. Considering drug resistance levels emerging for antibiotics, identification of bacterial metalloenzymes and the synthesis of selective inhibitors are interesting for antibacterial agent development. Peptide nucleic acids are attractive antisense and antigene agents representing a novel strategy to target pathogens due to their unique mechanism of action. Antisense inhibition and development of antisense peptide nucleic acids is a new approach to antibacterial agents. Due to the increased resistance of biofilms to antibiotics, alternative therapeutic options are necessary. To develop antimicrobial strategies, optimised in vitro and in vivo models are needed. In vivo models to study biofilm-related respiratory infections, device-related infections: ventilator-associated pneumonia, tissue-related infections: chronic infection models based on alginate or agar beads, methods to battle biofilm-related infections are discussed. Drug delivery in case of antibacterials often is a serious issue therefore this review includes overview of drug delivery nanosystems.
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Affiliation(s)
- Aiva Plotniece
- Latvian Institute of Organic Synthesis, Riga, Latvia,Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Riga Stradiņš University, Riga, Latvia,CONTACT Aiva Plotniece Latvian Institute of Organic Synthesis, Riga, Latvia
| | | | - Claudiu T. Supuran
- Department of NEUROFARBA, Section of Pharmaceutical and Nutraceutical Sciences, University of Florence, Firenze, Italy
| | - Fabrizio Carta
- Department of NEUROFARBA, Section of Pharmaceutical and Nutraceutical Sciences, University of Florence, Firenze, Italy
| | - Fredrik Björkling
- Department of Drug Design and Pharmacology, Faculty of Health and Medical Sciences, Center for Peptide-Based Antibiotics, University of Copenhagen, Copenhagen East, Denmark
| | - Henrik Franzyk
- Department of Drug Design and Pharmacology, Faculty of Health and Medical Sciences, Center for Peptide-Based Antibiotics, University of Copenhagen, Copenhagen East, Denmark
| | - Jari Yli-Kauhaluoma
- Division of Pharmaceutical Chemistry and Technology, Faculty of Pharmacy, Drug Research Program, University of Helsinki, Helsinki, Finland
| | - Koen Augustyns
- Infla-Med, Centre of Excellence, University of Antwerp, Antwerp, Belgium,Laboratory of Medicinal Chemistry, University of Antwerp, Antwerp, Belgium
| | - Paul Cos
- Department of Pharmaceutical Sciences, Laboratory for Microbiology, Parasitology and Hygiene (LMPH), University of Antwerp, Antwerp, Belgium
| | - Linda De Vooght
- Department of Pharmaceutical Sciences, Laboratory for Microbiology, Parasitology and Hygiene (LMPH), University of Antwerp, Antwerp, Belgium
| | - Matthias Govaerts
- Department of Pharmaceutical Sciences, Laboratory for Microbiology, Parasitology and Hygiene (LMPH), University of Antwerp, Antwerp, Belgium
| | - Juliana Aizawa
- Department of Pharmaceutical Sciences, Laboratory for Microbiology, Parasitology and Hygiene (LMPH), University of Antwerp, Antwerp, Belgium
| | - Päivi Tammela
- Division of Pharmaceutical Biosciences, Faculty of Pharmacy, Drug Research Program, University of Helsinki, Helsinki, Finland
| | - Raivis Žalubovskis
- Latvian Institute of Organic Synthesis, Riga, Latvia,Faculty of Materials Science and Applied Chemistry, Institute of Technology of Organic Chemistry, Riga Technical University, Riga, Latvia
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27
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Anjani QK, Pandya AK, Demartis S, Domínguez-Robles J, Moreno-Castellanos N, Li H, Gavini E, Patravale VB, Donnelly RF. Liposome-loaded polymeric microneedles for enhanced skin deposition of rifampicin. Int J Pharm 2023; 646:123446. [PMID: 37751787 DOI: 10.1016/j.ijpharm.2023.123446] [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: 07/27/2023] [Revised: 09/22/2023] [Accepted: 09/23/2023] [Indexed: 09/28/2023]
Abstract
Methicillin-resistant Staphylococcus aureus (MRSA) is a prevailing bacterial pathogen linked to superficial skin and soft tissue infections (SSTIs). Rifampicin (RIF), a potent antibiotic against systemic and localised staphylococcal infections, faces limitations due to its low solubility. This constraint hampers its therapeutic potential for MRSA-induced SSTIs. To address this, an advanced liposomal system was designed for efficient dermal RIF delivery. Rifampicin-loaded liposomes (LipoRIF) were embedded within polymeric dissolving microneedles (DMNs) to enable targeted intradermal drug delivery. A robust Design of Experiment (DoE) methodology guided the systematic preparation and optimisation of LipoRIF formulations. The optimal LipoRIF formulation integrated within polymeric DMNs. These LipoRIF-DMNs exhibited favourable mechanical properties and effective skin insertion characteristics. Notably, in vitro assays on skin deposition unveiled a transformative result - the DMN platform significantly enhanced LipoRIF deposition within the skin, surpassing LipoRIF dispersion alone. Moreover, LipoRIF-DMNs displayed minimal cytotoxicity toward cells. Encouragingly, rigorous in vitro antimicrobial evaluations demonstrated LipoRIF-DMNs' capacity to inhibit MRSA growth compared to the control group. LipoRIF-DMNs propose a potentially enhanced, minimally invasive approach to effectively manage SSTIs and superficial skin ailments stemming from MRSA infections.
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Affiliation(s)
- Qonita Kurnia Anjani
- School of Pharmacy, Queen's University Belfast, Medical Biology Centre, 97 Lisburn Road, Belfast BT9 7BL, UK; Fakultas Farmasi, Universitas Megarezky, Jl. Antang Raya No. 43, Makassar 90234, Indonesia
| | - Anjali K Pandya
- School of Pharmacy, Queen's University Belfast, Medical Biology Centre, 97 Lisburn Road, Belfast BT9 7BL, UK; Department of Pharmaceutical Sciences and Technology, Institute of Chemical Technology, Nathalal Parekh Marg, Matunga, Mumbai, Maharashtra 400 019, India
| | - Sara Demartis
- Department of Chemical, Physical, Mathematical and Natural Sciences, University of Sassari, Piazza Università 21, 07100 Sassari, Italy
| | - Juan Domínguez-Robles
- School of Pharmacy, Queen's University Belfast, Medical Biology Centre, 97 Lisburn Road, Belfast BT9 7BL, UK; Department of Pharmacy and Pharmaceutical Technology, Faculty of Pharmacy, Universidad de Sevilla, 41012 Seville, Spain
| | - Natalia Moreno-Castellanos
- Basic Science Department, Faculty of Health, Universidad Industrial de Santander, Bucaramanga 680001, Colombia
| | - Huanhuan Li
- School of Pharmacy, Queen's University Belfast, Medical Biology Centre, 97 Lisburn Road, Belfast BT9 7BL, UK
| | - Elisabetta Gavini
- Department of Medicine, Surgery and Pharmacy, University of Sassari, Piazza Università 21, Sassari 07100, Italy
| | - Vandana B Patravale
- Department of Pharmaceutical Sciences and Technology, Institute of Chemical Technology, Nathalal Parekh Marg, Matunga, Mumbai, Maharashtra 400 019, India
| | - Ryan F Donnelly
- School of Pharmacy, Queen's University Belfast, Medical Biology Centre, 97 Lisburn Road, Belfast BT9 7BL, UK.
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28
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Li R, Mao J, Zheng P, Wang R, Yang Z, Qian S. Improving the biocompatibility and antibacterial efficacy of silver nanoparticles functionalized with (LLRR) 3 antimicrobial peptide. World J Microbiol Biotechnol 2023; 40:1. [PMID: 37923918 DOI: 10.1007/s11274-023-03792-0] [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: 07/28/2023] [Accepted: 10/05/2023] [Indexed: 11/06/2023]
Abstract
The selection of effective antibiotics is becoming increasingly limited due to the emergence of bacterial resistance. Designing and developing nanoscale antibacterials is a strategy for effectively addressing the antibiotic crisis. In this work, AgNPs@AMP nanoparticles were synthesized to take advantage of the synergistic antibacterial activity of the (LLRR)3 antimicrobial peptide (AMP) and silver nanoparticles (AgNPs). Based on morphological structure characterization and biocompatibility analysis, the inhibitory properties of AgNPs@AMP on Escherichia coli (E. coli) and Staphylococcus aureus (S. aureus) were evaluated. The results demonstrated that AMP and AgNPs were physically bound to form AgNPs@AMP nanoparticles, which had better solution stability, improved nanomaterial properties, and overcame the hemolytic activity of AMP and the cytotoxicity of AgNPs. The inhibitory activity of AgNPs@AMP against E. coli and S. aureus was significantly higher than that of AMP and AgNPs. It was capable of disrupting the morphology and internal structure of cells, damaging the cell membrane, and inhibiting the activity of enzymes related to the material-energy metabolism of the tricarboxylic acid cycle. Compared to AMP and AgNPs, AgNPs@AMP were found to effectively inhibit the infection of mouse wounds and promote their healing. Therefore, AMP-modified AgNPs can enhance their biocompatibility and antibacterial activity, and they can be further developed as a potential antimicrobial agent.
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Affiliation(s)
- Rongyu Li
- School of Basic Medical Sciences, Wannan Medical College, Wuhu, 241002, China
| | - Jiaqing Mao
- College of Biological and Food Engineering, Anhui Polytechnic University, Wuhu, 241000, China
| | - Peng Zheng
- College of Biological and Food Engineering, Anhui Polytechnic University, Wuhu, 241000, China
| | - Ruonan Wang
- College of Biological and Food Engineering, Anhui Polytechnic University, Wuhu, 241000, China
| | - Zicheng Yang
- College of Biological and Food Engineering, Anhui Polytechnic University, Wuhu, 241000, China
| | - Senhe Qian
- College of Biological and Food Engineering, Anhui Polytechnic University, Wuhu, 241000, China.
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Ghosh R, De M. Liposome-Based Antibacterial Delivery: An Emergent Approach to Combat Bacterial Infections. ACS OMEGA 2023; 8:35442-35451. [PMID: 37810644 PMCID: PMC10551917 DOI: 10.1021/acsomega.3c04893] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/08/2023] [Accepted: 09/08/2023] [Indexed: 10/10/2023]
Abstract
The continued emergence and spread of drug-resistant pathogens and the decline in the approval of new antimicrobial drugs pose a major threat to managing infectious diseases, resulting in high morbidity and mortality. Even though a significant variety of antibiotics can effectively cure many bacterial infectious diseases, microbial infections remain one of the biggest global health problems, which may be due to the traditional drug delivery system's shortcomings which lead to poor therapeutic index, low drug absorption, and numerous other drawbacks. Further, the use of traditional antibiotics to treat infectious diseases has always been accompanied by the emergence of multidrug resistance and adverse side effects. Despite developing numerous new antibiotics, nanomaterials, and various techniques to combat infectious diseases, they have persisted as major global health issues. Improving the current antibiotic delivery systems is a promising approach to solving many life-threatening infections. In this context, nanoliposomal systems have recently attracted much attention. Herein, we attempt to provide a concise summary of recent studies that have used liposomal nanoparticles as delivery systems for antibacterial medicines. The minireview also highlights the enormous potential of liposomal nanoparticles as antibiotic delivery systems. The future of these promising approaches lies in developing more efficient delivery systems by precisely targeting bacterial cells with antibiotics with minimum cytotoxicity and high bacterial combating efficacy.
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Affiliation(s)
- Rita Ghosh
- Department of Organic Chemistry, Indian Institute of Science, Bangalore 560012, Karnataka, India
| | - Mrinmoy De
- Department of Organic Chemistry, Indian Institute of Science, Bangalore 560012, Karnataka, India
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Li Z, Baidoun R, Brown AC. Toxin-Triggered Liposomes for the Controlled Release of Antibiotics to Treat Infections Associated with Gram-Negative Bacteria. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.09.28.559931. [PMID: 37808632 PMCID: PMC10557637 DOI: 10.1101/2023.09.28.559931] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/10/2023]
Abstract
Antibiotic resistance has become an urgent threat to health care in recent years. The use of drug delivery systems provides advantages over conventional administration of antibiotics and can slow the development of antibiotic resistance. In the current study, we developed a toxin-triggered liposomal antibiotic delivery system, in which the drug release is enabled by the leukotoxin (LtxA) produced by the Gram-negative pathogen, Aggregatibacter actinomycetemcomitans. LtxA has previously been shown to mediate membrane disruption by promoting a lipid phase change in nonlamellar lipids, such as 1,2-dioleoyl-sn-glycero-3-phosphoethanolamine-N-methyl (N-methyl-DOPE). In addition, LtxA has been observed to bind strongly and nearly irreversibly to membranes containing large amounts of cholesterol. Here, we designed a liposomal delivery system composed of N-methyl-DOPE and cholesterol to take advantage of these interactions. Specifically, we hypothesized that liposomes composed of N-methyl-DOPE and cholesterol, encapsulating antibiotics, would be sensitive to LtxA, enabling controlled antibiotic release. We observed that liposomes composed of N-methyl-DOPE were sensitive to the presence of low concentrations of LtxA, and cholesterol increased the extent and kinetics of content release. The liposomes were stable under various storage conditions for at least 7 days. Finally, we showed that antibiotic release occurs selectively in the presence of an LtxA-producing strain of A. actinomycetemcomitans but not in the presence of a non-LtxA-expressing strain. Together, these results demonstrate that the designed liposomal vehicle enables toxin-triggered delivery of antibiotics to LtxA-producing strains of A. actinomycetemcomitans.
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Affiliation(s)
- Ziang Li
- Department of Chemical and Biomolecular Engineering, Lehigh University, Bethlehem, PA
| | - Rani Baidoun
- Department of Chemical and Biomolecular Engineering, Lehigh University, Bethlehem, PA
- Current Affiliation: Department of Chemical and Biomolecular Engineering, University of Pennsylvania, Philadelphia, PA
| | - Angela C. Brown
- Department of Chemical and Biomolecular Engineering, Lehigh University, Bethlehem, PA
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André AS, Dias JNR, Aguiar SI, Leonardo A, Nogueira S, Amaral JD, Fernandes C, Gano L, Correia JDG, Cavaco M, Neves V, Correia J, Castanho M, Rodrigues CMP, Gaspar MM, Tavares L, Aires-da-Silva F. Panobinostat-loaded folate targeted liposomes as a promising drug delivery system for treatment of canine B-cell lymphoma. Front Vet Sci 2023; 10:1236136. [PMID: 37711439 PMCID: PMC10498770 DOI: 10.3389/fvets.2023.1236136] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2023] [Accepted: 08/07/2023] [Indexed: 09/16/2023] Open
Abstract
Introduction Cancer is a major public health problem with over 19 million cases reported in 2020. Similarly to humans, dogs are also largely affected by cancer, with non-Hodgkin's lymphoma (NHL) among the most common cancers in both species. Comparative medicine has the potential to accelerate the development of new therapeutic options in oncology by leveraging commonalities between diseases affecting both humans and animals. Within this context, in the present study, we investigated the potential of panobinostat (Pan)-loaded folate-targeted PEGylated liposomes (FA-PEG-Pan-Lip) for the treatment of canine B-cell lymphoma, while contributing to new perspectives in comparative oncology. Methods and results Two formulations were developed, namely: PEG-Pan-Lip and FA-PEG-Pan-Lip. Firstly, folate receptor expression in the CLBL-1 canine B-cell lymphoma cell line was assessed. After confirming receptor expression, both Pan-loaded formulations (PEG-Pan-Lip, FA-PEG-Pan-Lip) demonstrated dose-dependent inhibitory effects on CLBL-1 cell proliferation. The FA-PEG-Pan-Lip formulation (IC50 = 10.9 ± 0.03 nM) showed higher cytotoxicity than the non-targeted PEG-Pan-Lip formulation (IC50 = 12.9 ± 0.03 nM) and the free panobinostat (Pan) compound (IC50 = 18.32±0.03 nM). Moreover, mechanistically, both Pan-containing formulations induced acetylation of H3 histone and apoptosis. Flow cytometry and immunofluorescence analysis of intracellular uptake of rhodamine-labeled liposome formulations in CLBL-1 cells confirmed cellular internalization of PEG-Lip and FA-PEG-Lip formulations and higher uptake profile for the latter. Biodistribution studies of both radiolabeled formulations in CD1 and SCID mice revealed a rapid clearance from the major organs and a 1.6-fold enhancement of tumor uptake at 24 h for 111In-FA-PEG-Pan-Lip (2.2 ± 0.1 %ID/g of tumor) compared to 111In-PEG-Pan-Lip formulation (1.2±0.2 %ID/g of tumor). Discussion In summary, our results provide new data validating Pan-loaded folate liposomes as a promising targeted drug delivery system for the treatment of canine B-cell lymphoma and open innovative perspectives for comparative oncology.
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Affiliation(s)
- Ana S. André
- Faculty of Veterinary Medicine, CIISA-Centre for Interdisciplinary Research in Animal Health, University of Lisbon, Avenida da Universidade Técnica, Lisbon, Portugal
- Associate Laboratory for Animal and Veterinary Sciences (AL4AnimalS), Lisbon, Portugal
| | - Joana N. R. Dias
- Faculty of Veterinary Medicine, CIISA-Centre for Interdisciplinary Research in Animal Health, University of Lisbon, Avenida da Universidade Técnica, Lisbon, Portugal
- Associate Laboratory for Animal and Veterinary Sciences (AL4AnimalS), Lisbon, Portugal
| | - Sandra I. Aguiar
- Faculty of Veterinary Medicine, CIISA-Centre for Interdisciplinary Research in Animal Health, University of Lisbon, Avenida da Universidade Técnica, Lisbon, Portugal
- Associate Laboratory for Animal and Veterinary Sciences (AL4AnimalS), Lisbon, Portugal
| | - Ana Leonardo
- Faculty of Veterinary Medicine, CIISA-Centre for Interdisciplinary Research in Animal Health, University of Lisbon, Avenida da Universidade Técnica, Lisbon, Portugal
- Associate Laboratory for Animal and Veterinary Sciences (AL4AnimalS), Lisbon, Portugal
| | - Sara Nogueira
- Faculty of Veterinary Medicine, CIISA-Centre for Interdisciplinary Research in Animal Health, University of Lisbon, Avenida da Universidade Técnica, Lisbon, Portugal
- Associate Laboratory for Animal and Veterinary Sciences (AL4AnimalS), Lisbon, Portugal
| | - Joana D. Amaral
- Research Institute for Medicines (iMed.ULisboa), Faculty of Pharmacy, Universidade de Lisboa, Lisbon, Portugal
| | - Célia Fernandes
- Departamento de Engenharia e Ciências Nucleares, Centro de Ciências e Tecnologias Nucleares, Instituto Superior Técnico, Universidade de Lisboa, CTN, Bobadela, Portugal
| | - Lurdes Gano
- Departamento de Engenharia e Ciências Nucleares, Centro de Ciências e Tecnologias Nucleares, Instituto Superior Técnico, Universidade de Lisboa, CTN, Bobadela, Portugal
| | - João D. G. Correia
- Departamento de Engenharia e Ciências Nucleares, Centro de Ciências e Tecnologias Nucleares, Instituto Superior Técnico, Universidade de Lisboa, CTN, Bobadela, Portugal
| | - Marco Cavaco
- Faculdade de Medicina, Instituto de Medicina Molecular-João Lobo Antunes, Universidade de Lisboa, Lisbon, Portugal
| | - Vera Neves
- Faculdade de Medicina, Instituto de Medicina Molecular-João Lobo Antunes, Universidade de Lisboa, Lisbon, Portugal
| | - Jorge Correia
- Faculty of Veterinary Medicine, CIISA-Centre for Interdisciplinary Research in Animal Health, University of Lisbon, Avenida da Universidade Técnica, Lisbon, Portugal
- Associate Laboratory for Animal and Veterinary Sciences (AL4AnimalS), Lisbon, Portugal
| | - Miguel Castanho
- Faculdade de Medicina, Instituto de Medicina Molecular-João Lobo Antunes, Universidade de Lisboa, Lisbon, Portugal
| | - Cecília M. P. Rodrigues
- Research Institute for Medicines (iMed.ULisboa), Faculty of Pharmacy, Universidade de Lisboa, Lisbon, Portugal
| | - Maria Manuela Gaspar
- Research Institute for Medicines (iMed.ULisboa), Faculty of Pharmacy, Universidade de Lisboa, Lisbon, Portugal
| | - Luís Tavares
- Faculty of Veterinary Medicine, CIISA-Centre for Interdisciplinary Research in Animal Health, University of Lisbon, Avenida da Universidade Técnica, Lisbon, Portugal
- Associate Laboratory for Animal and Veterinary Sciences (AL4AnimalS), Lisbon, Portugal
| | - Frederico Aires-da-Silva
- Faculty of Veterinary Medicine, CIISA-Centre for Interdisciplinary Research in Animal Health, University of Lisbon, Avenida da Universidade Técnica, Lisbon, Portugal
- Associate Laboratory for Animal and Veterinary Sciences (AL4AnimalS), Lisbon, Portugal
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Allemailem KS. Enhanced activity of Ellagic acid in lipid nanoparticles (EA-liposomes) against Acinetobacter baumannii in immunosuppressed mice. Saudi J Biol Sci 2023; 30:103707. [PMID: 37415860 PMCID: PMC10319833 DOI: 10.1016/j.sjbs.2023.103707] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2023] [Revised: 06/03/2023] [Accepted: 06/09/2023] [Indexed: 07/08/2023] Open
Abstract
Acinetobacter baumannii infections have come to the surface in huge numbers in the recent decades. Furthermore, A. baumannii has adopted great ability to nullify the majority of currently available antibiotics. With the purpose of finding a nontoxic and efficient therapeutic agent, we analyzed the activity of Ellagic acid (EA) against the multidrug-resistant A. baumannii. EA not only demonstrated its activity against A. baumannii, but also inhibited the biofilm formation. Since EA shows poor solubility in an aqueous environment, a lipid nanoparticle-based (liposomal) formulation of EA (EA-liposomes) was prepared and its effectiveness was assessed to treat bacterial infection in the immunocompromised murine model. Therapy with EA-liposomes imparted greater protection to infected mice by increasing the survival and decreasing the bacterial load in the lungs. A. baumannii infected mice treated with EA-liposomes (100 mg/kg) showed 60% survival rate as compared to 20% of those treated with free EA at the same dose. The bacterial load was found to be 32778 ± 12232 in the lungs of EA-liposomes (100 mg/kg)-treated mice, which was significantly lower to 165667 ± 53048 in the lung tissues of free EA treated mice. Likewise, EA-liposomes also restored the liver function (AST and ALT) and kidney function parameters (BUN and creatinine). The broncho-alveolar fluid (BALF) from infected mice contained greater quantities of IL-6, IL-1β and TNF-α, which were significantly alleviated in EA-liposomes treated mice. These findings together support the possible implication of EA-liposomes to treat A. baumannii infection, especially in immunocompromised mice.
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Ayatollahi Mousavi SA, Mokhtari A, Barani M, Izadi A, Amirbeigi A, Ajalli N, Amanizadeh A, Hadizadeh S. Advances of liposomal mediated nanocarriers for the treatment of dermatophyte infections. Heliyon 2023; 9:e18960. [PMID: 37583758 PMCID: PMC10424084 DOI: 10.1016/j.heliyon.2023.e18960] [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: 02/25/2023] [Revised: 07/29/2023] [Accepted: 08/03/2023] [Indexed: 08/17/2023] Open
Abstract
Due to the adverse effects associated with long-term administration of antifungal drugs used for treating dermatophytic lesions like tinea unguium, there is a critical need for novel antifungal therapies that exhibit improved absorption and minimal adverse effects. Nanoformulations offer a promising solution in this regard. Topical formulations may penetrate the upper layers of the skin, such as the stratum corneum, and release an appropriate amount of drugs in therapeutic quantities. Liposomes, particularly nanosized ones, used as topical medication delivery systems for the skin, may have various roles depending on their size, lipid and cholesterol content, ingredient percentage, lamellarity, and surface charge. Liposomes can enhance permeability through the stratum corneum, minimize systemic effects due to their localizing properties, and overcome various challenges in cutaneous drug delivery. Antifungal medications encapsulated in liposomes, including fluconazole, ketoconazole, croconazole, econazole, terbinafine hydrochloride, tolnaftate, and miconazole, have demonstrated improved skin penetration and localization. This review discusses the traditional treatment of dermatophytes and liposomal formulations. Additionally, promising liposomal formulations that may soon be available in the market are introduced. The objective of this review is to provide a comprehensive understanding of dermatophyte infections and the role of liposomes in enhancing treatment.
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Affiliation(s)
- Seyed Amin Ayatollahi Mousavi
- Department of Medical Parasitology and Mycology, Faculty of Medicine, Kerman University of Medical Sciences, Kerman, Iran
- Medical Mycology and Bacteriology Research Center, Kerman University of Medical Sciences, Kerman, Iran
| | - Abnoos Mokhtari
- Endocrinology and Metabolism Research Center, Institute of Basic and Clinical Physiology Science, Kerman University of Medical Sciences, Kerman, Iran
- Physiology Research Center, Kerman University of Medical Sciences, Kerman, Iran
| | - Mahmood Barani
- Medical Mycology and Bacteriology Research Center, Kerman University of Medical Sciences, Kerman, Iran
| | - Alireza Izadi
- Department of Medical Parasitology and Mycology, Faculty of Medicine, Kerman University of Medical Sciences, Kerman, Iran
- Medical Mycology and Bacteriology Research Center, Kerman University of Medical Sciences, Kerman, Iran
| | - Alireza Amirbeigi
- Department of General Surgery, School of Medicine, Kerman University of Medical Sciences, Kerman, Iran
| | - Narges Ajalli
- Department of Chemical Engineering, Faculty of Engineering, University of Tehran, Tehran, Iran
| | - Azam Amanizadeh
- Department of Medical Parasitology and Mycology, Faculty of Medicine, Kerman University of Medical Sciences, Kerman, Iran
- Medical Mycology and Bacteriology Research Center, Kerman University of Medical Sciences, Kerman, Iran
| | - Sanaz Hadizadeh
- Department of Medical Parasitology and Mycology, Faculty of Medicine, Kerman University of Medical Sciences, Kerman, Iran
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Hemmati J, Azizi M, Asghari B, Arabestani MR. Multidrug-Resistant Pathogens in Burn Wound, Prevention, Diagnosis, and Therapeutic Approaches (Conventional Antimicrobials and Nanoparticles). THE CANADIAN JOURNAL OF INFECTIOUS DISEASES & MEDICAL MICROBIOLOGY = JOURNAL CANADIEN DES MALADIES INFECTIEUSES ET DE LA MICROBIOLOGIE MEDICALE 2023; 2023:8854311. [PMID: 37521436 PMCID: PMC10386904 DOI: 10.1155/2023/8854311] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/02/2023] [Revised: 06/26/2023] [Accepted: 07/13/2023] [Indexed: 08/01/2023]
Abstract
Multidrug-resistant pathogens are one of the common causes of death in burn patients and have a high risk of nosocomial infections, especially pneumonia, urinary tract infections, and cellulitis. The role of prolonged hospitalization and empirical antibiotics administration in developing multidrug-resistant pathogens is undeniable. In the early days of admitting burn patients, Gram-positive bacteria were the dominant isolates with a more sensitive antibiotic pattern. However, the emergence of Gram-negative bacteria that are more resistant later occurs. Trustworthy guideline administration in burn wards is one of the strategies to prevent multidrug-resistant pathogens. Also, a multidisciplinary therapeutic approach is an effective way to avoid antibiotic resistance that involves infectious disease specialists, pharmacists, and burn surgeons. However, the emerging resistance to conventional antimicrobial approaches (such as systemic antibiotic exposure, traditional wound dressing, and topical antibiotic ointments) among burn patients has challenged the treatment of multidrug-resistant infections, and using nanoparticles is a suitable alternative. In this review article, we will discuss different aspects of multidrug-resistant pathogens in burn wounds, emphasizing the full role of these pathogens in burn wounds and discussing the application of nanotechnology in dealing with them. Also, some advances in various types of nanomaterials, including metallic nanoparticles, liposomes, hydrogels, carbon quantum dots, and solid lipid nanoparticles in burn wound healing, will be explained.
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Affiliation(s)
- Jaber Hemmati
- Department of Microbiology, School of Medicine, Hamadan University of Medical Sciences, Hamadan, Iran
- Student Research Committee, Hamadan University of Medical Sciences, Hamadan, Iran
| | - Mehdi Azizi
- Department of Tissue Engineering and Biomaterials, School of Advanced Medical Sciences and Technologies, Hamadan University of Medical Sciences, Hamadan, Iran
| | - Babak Asghari
- Department of Microbiology, School of Medicine, Hamadan University of Medical Sciences, Hamadan, Iran
| | - Mohammad Reza Arabestani
- Department of Microbiology, School of Medicine, Hamadan University of Medical Sciences, Hamadan, Iran
- Infectious Disease Research Center, Hamadan University of Medical Sciences, Hamadan, Iran
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Li X, Xu C, Liang B, Kastelic JP, Han B, Tong X, Gao J. Alternatives to antibiotics for treatment of mastitis in dairy cows. Front Vet Sci 2023; 10:1160350. [PMID: 37404775 PMCID: PMC10315858 DOI: 10.3389/fvets.2023.1160350] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2023] [Accepted: 05/26/2023] [Indexed: 07/06/2023] Open
Abstract
Mastitis is considered the costliest disease on dairy farms and also adversely affects animal welfare. As treatment (and to a lesser extent prevention) of mastitis rely heavily on antibiotics, there are increasing concerns in veterinary and human medicine regarding development of antimicrobial resistance. Furthermore, with genes conferring resistance being capable of transfer to heterologous strains, reducing resistance in strains of animal origin should have positive impacts on humans. This article briefly reviews potential roles of non-steroidal anti-inflammatory drugs (NSAIDs), herbal medicines, antimicrobial peptides (AMPs), bacteriophages and their lytic enzymes, vaccination and other emerging therapies for prevention and treatment of mastitis in dairy cows. Although many of these approaches currently lack proven therapeutic efficacy, at least some may gradually replace antibiotics, especially as drug-resistant bacteria are proliferating globally.
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Affiliation(s)
- Xiaoping Li
- Department of Clinical Veterinary Medicine, College of Veterinary Medicine, China Agricultural University, Beijing, China
| | - Chuang Xu
- Department of Clinical Veterinary Medicine, College of Veterinary Medicine, China Agricultural University, Beijing, China
| | - Bingchun Liang
- Department of Clinical Veterinary Medicine, College of Veterinary Medicine, China Agricultural University, Beijing, China
| | - John P. Kastelic
- Faculty of Veterinary Medicine, University of Calgary, Calgary, AB, Canada
| | - Bo Han
- Department of Clinical Veterinary Medicine, College of Veterinary Medicine, China Agricultural University, Beijing, China
| | - Xiaofang Tong
- Department of Clinical Veterinary Medicine, College of Veterinary Medicine, China Agricultural University, Beijing, China
| | - Jian Gao
- Department of Clinical Veterinary Medicine, College of Veterinary Medicine, China Agricultural University, Beijing, China
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Joshi MD, Iacoban P, Scheetz MH. Pharmacokinetic and Biomarker Quantification Studies on Vancomycin-Loaded PEGylated Liposomes and Its Potential to Reduce Vancomycin-Induced Kidney Injury: A Rat Study. Pharmaceutics 2023; 15:1582. [PMID: 37376031 DOI: 10.3390/pharmaceutics15061582] [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: 03/23/2023] [Revised: 05/19/2023] [Accepted: 05/23/2023] [Indexed: 06/29/2023] Open
Abstract
Vancomycin is a commonly used antibiotic in hospital settings, especially against Methicillin-resistant staphylococcus aureus (MRSA). One of the major adverse events of vancomycin use in adults is kidney injury. The drug concentration, specifically the area under the concentration curve, predicts kidney injury in adults receiving vancomycin. To attempt to reduce vancomycin-induced nephrotoxicity, we have successfully encapsulated vancomycin in polyethylene glycol-coated liposomes (PEG-VANCO-lipo). We have previously carried out in vitro cytotoxicity studies on kidney cells using PEG-VANCO-lipo and found it to be minimally toxic compared to the standard vancomycin. In this study, we have dosed male adult rats with PEG-VANCO-lipo or vancomycin HCl and compared plasma vancomycin concentrations and KIM-1 as an injury biomarker in rat urine. Male Sprague Dawley rats (350 ± 10 g) were administered vancomycin (n = 6) or PEG-VANCO-lipo (n = 6) 150 mg/kg/day for three days using an IV infusion in the left jugular vein catheter. Blood was collected for plasma at 15, 30, 60, 120, 240, and 1440 min after the first and the last IV dose. Urine was collected 0-2, 2-4, 4-8, and 8-24 h after the first and the last IV infusions using metabolic cages. The animals were observed for three days after the last compound administration. Vancomycin was quantified in plasma by LC-MS/MS. Urinary KIM-1 analysis was done by using an ELISA kit. Three days after the last dose, under terminal anesthesia with IP ketamine (65-100 mg/kg) and xylazine (7-10 mg/kg), rats were euthanized. Vancomycin urine and kidney concentrations and KIM-1 were lower on day three in the PEG-Vanco-lipo group compared to the vancomycin group (p < 0.05, ANOVA and/or t-test). There was a significant reduction in plasma vancomycin concentration on day one and day three (p < 0.05, t-test) in the vancomycin group compared to the PEG-VANCO-lipo group. Vancomycin-loaded PEGylated liposomes resulted in lower levels of kidney injury, as noted by a decrease in KIM-1 values. Moreover, longer circulation in plasma with increased concentration in plasma as opposed to the kidney was observed with the PEG-VANCO-lipo group. The results indicate the high potential of PEG-VANCO-lipo in decreasing the nephrotoxicity of vancomycin clinically.
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Affiliation(s)
- Medha D Joshi
- College of Pharmacy, Midwestern University, Glendale Campus, 19555 N. 59th Avenue, Glendale, AZ 85308, USA
| | - Paulina Iacoban
- College of Pharmacy, Midwestern University, Glendale Campus, 19555 N. 59th Avenue, Glendale, AZ 85308, USA
| | - Marc H Scheetz
- College of Pharmacy, Midwestern University, Downers Grove Campus, 555 31st Street, Downers Grove, IL 60515, USA
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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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Avdeev VV, Kuzin VV, Vladimirsky MA, Vasilieva IA. Experimental Studies of the Liposomal Form of Lytic Mycobacteriophage D29 for the Treatment of Tuberculosis Infection. Microorganisms 2023; 11:1214. [PMID: 37317188 DOI: 10.3390/microorganisms11051214] [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: 03/28/2023] [Revised: 04/27/2023] [Accepted: 04/27/2023] [Indexed: 06/16/2023] Open
Abstract
We have studied the antimycobacterial efficacy of the liposomal preparation of mycobacteriophage D29 on models of tuberculous granuloma in vitro and in the experiment on laboratory mice of the relatively resistant strain C57BL/6, infected with the virulent strain of M. tuberculosis H37Rv. We have shown the preparation of liposomal preparation of the lytic mycobacteriophages and its characteristics. The experiments showed a significant lytic effect of the liposomal form of mycobacteriophage D29 both on the model of tuberculous granuloma formed by human blood mononuclear cells in vitro, which is formed in the presence of Mycobacterium tuberculosis and on the model of tuberculous infection in C57BL/6 mice. Keywords: mycobacteriophage D29, M. tuberculosis, liposomes, tuberculous granuloma in vitro, tuberculosis infection and its treatment.
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Affiliation(s)
- Vadim Vadimovich Avdeev
- National Medical Research Center of Phthisiopulmonology and Infectious Diseases of the Health Ministry of the Russian Federation, Moscow 103030, Russia
| | - Victor Vladimirovich Kuzin
- National Medical Research Center of Phthisiopulmonology and Infectious Diseases of the Health Ministry of the Russian Federation, Moscow 103030, Russia
| | - Mikhail Aleksandrovich Vladimirsky
- National Medical Research Center of Phthisiopulmonology and Infectious Diseases of the Health Ministry of the Russian Federation, Moscow 103030, Russia
| | - Irina Anatol'evna Vasilieva
- National Medical Research Center of Phthisiopulmonology and Infectious Diseases of the Health Ministry of the Russian Federation, Moscow 103030, Russia
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Pourseif T, Ghafelehbashi R, Abdihaji M, Radan N, Kaffash E, Heydari M, Naseroleslami M, Mousavi-Niri N, Akbarzadeh I, Ren Q. Chitosan -based nanoniosome for potential wound healing applications: Synergy of controlled drug release and antibacterial activity. Int J Biol Macromol 2023; 230:123185. [PMID: 36623618 DOI: 10.1016/j.ijbiomac.2023.123185] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2022] [Revised: 12/23/2022] [Accepted: 01/04/2023] [Indexed: 01/09/2023]
Abstract
This study aims to develop a niosomal platform which can delivery drugs such as tetracycline hydrochloride (TCH) to treat bacterial infections in wounds. To this end, chitosan (CS) was used to obtain a controlled drug release and at the same time antibacterial activity. By design of experiments the niosome encapsulated TCH (TCH-Nio) were optimized for their particle size and encapsulation efficiency, followed by analysis of the release profile of TCH and stability of TCH-Nio and TCH-Nio@CS. The antibacterial activity and cytotoxicity of the fabricated nanoparticles were investigated as well. The release rate of TCH from TCH-Nio@CS in all conditions is less than TCH-Nio. In addition, higher temperature increases the release rate of drug from these formulations. The size, polydispersity index, and encapsulation efficacy of TCH-Nio and TCH-Nio@CS were more stable in 4 °C compared to 25 °C. TCH, TCH-Nio, and TCH-Nio@CS had MIC values of 7.82, 3.91, and 1.95 μg/mL for Escherichia coli, 3.91, 1.95, and 0.98 μg/mL for Pseudomonas aeruginosa, and 1.96, 0.98, and 0.49 μg/mL for Staphylococcus aureus, respectively. Coating of chitosan on niosome encapsulated TCH (TCH-Nio@CS) led to a reduced burst release of TCH from niosome (TCH-Nio), and enabled 2-fold higher antibacterial and anti-biofilm activity against the tested bacterial pathogens E. coli, P. aeruginosa and S. aureus, compared to the uncoated TCH-Nio, and 4-folder higher than the TCH solution, suggesting the synergetic effect of niosome encapsulation and chitosan coating. Moreover, the formulated niosomes displayed no in vitro toxicity toward the human foreskin fibroblast cells (HFF). Both TCH-Nio and TCH-Nio@CS were found to down-regulate the expression of certain biofilm genes, i.e., csgA, ndvB, and icaA in the tested bacteria, which might partially explain the improved antibacterial activity compared to TCH. The obtained results demonstrated that TCH-Nio@CS is capable of controlled drug release, leading to high antibacterial efficacy. The established platform of TCH-Nio@CS enlighten a clinic potential toward the treatment of bacterial infections in skin wounds, dental implants and urinary catheter.
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Affiliation(s)
- Tara Pourseif
- Department of Microbiology, Faculty of Advanced Science and Technology, Tehran Medical Sciences, Islamic Azad University, Tehran, Iran
| | | | - Mohammadreza Abdihaji
- Department of Biology, Center for Genomics and Bioinformatics, Indiana University, Bloomington, IN, USA
| | - Niloufar Radan
- Department of Chemical and Petrochemical Engineering, Sharif University of Technology, Tehran, Iran
| | - Ehsan Kaffash
- Department of Pharmaceutics, Mashhad University of Medical Sciences (MUMS), Mashhad, Iran; Targeted Drug Delivery Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Maryam Heydari
- Department of Cell and Molecular Biology, Faculty of Biological Science, University of Kharazmi, Tehran, Iran
| | - Maryam Naseroleslami
- Department of Cellular and Molecular Biology, Faculty of Advanced Science and Technology, Tehran Medical Sciences, Islamic Azad University, Tehran, Iran
| | - Neda Mousavi-Niri
- Department of Biotechnology, Faculty of Advanced Science and Technology, Tehran Medical Sciences, Islamic Azad University, Tehran, Iran.
| | - Iman Akbarzadeh
- Department of Chemical and Petrochemical Engineering, Sharif University of Technology, Tehran, Iran.
| | - Qun Ren
- Laboratory for Biointerfaces, Empa, Swiss Federal Laboratories for Materials Science and Technology, 9014 St. Gallen, Switzerland.
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Ghodake V, Dhoble S, Vavilala SL, Patravale V. Anti-biofilm potential against P. aeruginosa biofilm in cystic fibrosis infection by systemically developed garlic extract incorporated liposomal formulation. J Drug Deliv Sci Technol 2023. [DOI: 10.1016/j.jddst.2023.104359] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/12/2023]
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Advancing Medicine with Lipid-Based Nanosystems-The Successful Case of Liposomes. Biomedicines 2023; 11:biomedicines11020435. [PMID: 36830971 PMCID: PMC9953160 DOI: 10.3390/biomedicines11020435] [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: 01/10/2023] [Revised: 01/25/2023] [Accepted: 01/31/2023] [Indexed: 02/05/2023] Open
Abstract
Nanomedicine, a promising area of medicine, employs nanosized tools for the diagnosis, prevention, and treatment of disease. Particularly, liposomes, lipid-based nanovesicles, are currently one of the most successful nanosystems, with extensive applications in the clinic and an increasing pipeline of products in preclinical and clinical development. These versatile nanotechnological tools are biocompatible and biodegradable, and can load a variety of molecules and, ultimately, improve the therapeutic performance of drugs while minimizing undesired side effects. In this review, we provide a brief description on liposomes' composition and classification and mainly focus on their clinical use in various areas, including disease management (e.g., cancer, fungal and bacterial infections, ocular pathologies), analgesia, vaccination, diagnostics, and immunosuppression in organ transplantation. Herein are described examples of current liposomal products already in the clinic, as well as the most recent clinical trials involving liposomes as effective and safe nanomedicine tools.
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Luo X, Chen H, Song Y, Qin Z, Xu L, He N, Tan Y, Dessie W. Advancements, challenges and future perspectives on peptide-based drugs: Focus on antimicrobial peptides. Eur J Pharm Sci 2023; 181:106363. [PMID: 36529161 DOI: 10.1016/j.ejps.2022.106363] [Citation(s) in RCA: 19] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2022] [Revised: 12/13/2022] [Accepted: 12/15/2022] [Indexed: 12/23/2022]
Abstract
Among other health related issues, the rising concerns on drug resistance led to look for alternative pharmaceutical drugs that are effective both against infectious and noninfectious diseases. Antimicrobial peptides (AMPs) emerged as potential therapeutic molecule with wide range of applications. With their limitations, AMPs have gained reputable attentions in research as well as in the pharmaceutical industry. This review highlighted the historical background, research trends, technological advancements, challenges, and future perspectives in the development and applications of peptide drugs. Some vital questions related with the need for pharmaceutical production, factors for the slow and steady journey, the importance of oral bioavailability, and the drug resistance possibilities of AMPs were raised and addressed accordingly. Therefore, the current study is believed to provide a profound understanding in the past and current scenarios and future directions on the therapeutic impacts of peptide drugs.
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Affiliation(s)
- Xiaofang Luo
- Hunan Key Laboratory of Biomedical Nanomaterials and Devices, Hunan University of Technology, Zhuzhou 412007, China; Hunan Engineering Technology Research Center for Comprehensive Development and Utilization of Biomass Resources, College of Chemistry and Bioengineering, Hunan University of Science and Engineering, 425199 Yongzhou, China
| | - Huifang Chen
- Hunan Key Laboratory of Biomedical Nanomaterials and Devices, Hunan University of Technology, Zhuzhou 412007, China; Hunan Engineering Technology Research Center for Comprehensive Development and Utilization of Biomass Resources, College of Chemistry and Bioengineering, Hunan University of Science and Engineering, 425199 Yongzhou, China
| | - Yannan Song
- Hunan Key Laboratory of Biomedical Nanomaterials and Devices, Hunan University of Technology, Zhuzhou 412007, China; Hunan Engineering Technology Research Center for Comprehensive Development and Utilization of Biomass Resources, College of Chemistry and Bioengineering, Hunan University of Science and Engineering, 425199 Yongzhou, China
| | - Zuodong Qin
- Hunan Key Laboratory of Biomedical Nanomaterials and Devices, Hunan University of Technology, Zhuzhou 412007, China; Hunan Engineering Technology Research Center for Comprehensive Development and Utilization of Biomass Resources, College of Chemistry and Bioengineering, Hunan University of Science and Engineering, 425199 Yongzhou, China
| | - Lijian Xu
- Hunan Key Laboratory of Biomedical Nanomaterials and Devices, Hunan University of Technology, Zhuzhou 412007, China
| | - Nongyue He
- Hunan Key Laboratory of Biomedical Nanomaterials and Devices, Hunan University of Technology, Zhuzhou 412007, China
| | - Yimin Tan
- Hunan Key Laboratory of Biomedical Nanomaterials and Devices, Hunan University of Technology, Zhuzhou 412007, China.
| | - Wubliker Dessie
- Hunan Engineering Technology Research Center for Comprehensive Development and Utilization of Biomass Resources, College of Chemistry and Bioengineering, Hunan University of Science and Engineering, 425199 Yongzhou, China.
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Crintea A, Carpa R, Mitre AO, Petho RI, Chelaru VF, Nădășan SM, Neamti L, Dutu AG. Nanotechnology Involved in Treating Urinary Tract Infections: An Overview. NANOMATERIALS (BASEL, SWITZERLAND) 2023; 13:555. [PMID: 36770516 PMCID: PMC9919202 DOI: 10.3390/nano13030555] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/11/2023] [Revised: 01/22/2023] [Accepted: 01/27/2023] [Indexed: 06/18/2023]
Abstract
Considered as the most frequent contaminations that do not require hospitalization, urinary tract infections (UTIs) are largely known to cause significant personal burdens on patients. Although UTIs overall are highly preventable health issues, the recourse to antibiotics as drug treatments for these infections is a worryingly spread approach that should be addressed and gradually overcome in a contemporary, modernized healthcare system. With a virtually alarming global rise of antibiotic resistance overall, nanotechnologies may prove to be the much-needed 'lifebuoy' that will eventually suppress this prejudicial phenomenon. This review aims to present the most promising, currently known nano-solutions, with glimpses on clinical and epidemiological aspects of the UTIs, prospective diagnostic instruments, and non-antibiotic treatments, all of these engulfed in a comprehensive overview.
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Affiliation(s)
- Andreea Crintea
- Department of Medical Biochemistry, Faculty of Medicine, Iuliu Hatieganu University of Medicine and Pharmacy, 400349 Cluj-Napoca, Romania
| | - Rahela Carpa
- Department of Molecular Biology and Biotechnology, Faculty of Biology and Geology, Babes-Bolyai University, 400084 Cluj-Napoca, Romania
| | - Andrei-Otto Mitre
- Department of Pathophysiology, Faculty of Medicine, Iuliu Hatieganu University of Medicine and Pharmacy, 400349 Cluj-Napoca, Romania
| | - Robert Istvan Petho
- Faculty of Medicine, Iuliu Hatieganu University of Medicine and Pharmacy, 400349 Cluj-Napoca, Romania
| | - Vlad-Florin Chelaru
- Faculty of Medicine, Iuliu Hatieganu University of Medicine and Pharmacy, 400349 Cluj-Napoca, Romania
| | - Sebastian-Mihail Nădășan
- Faculty of Medicine, Iuliu Hatieganu University of Medicine and Pharmacy, 400349 Cluj-Napoca, Romania
| | - Lidia Neamti
- Department of Medical Biochemistry, Faculty of Medicine, Iuliu Hatieganu University of Medicine and Pharmacy, 400349 Cluj-Napoca, Romania
| | - Alina Gabriela Dutu
- Department of Medical Biochemistry, Faculty of Medicine, Iuliu Hatieganu University of Medicine and Pharmacy, 400349 Cluj-Napoca, Romania
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Modi SK, Gaur S, Sengupta M, Singh MS. Mechanistic insights into nanoparticle surface-bacterial membrane interactions in overcoming antibiotic resistance. Front Microbiol 2023; 14:1135579. [PMID: 37152753 PMCID: PMC10160668 DOI: 10.3389/fmicb.2023.1135579] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/01/2023] [Accepted: 03/30/2023] [Indexed: 05/09/2023] Open
Abstract
Antimicrobial Resistance (AMR) raises a serious concern as it contributes to the global mortality by 5 million deaths per year. The overall impact pertaining to significant membrane changes, through broad spectrum drugs have rendered the bacteria resistant over the years. The economic expenditure due to increasing drug resistance poses a global burden on healthcare community and must be dealt with immediate effect. Nanoparticles (NP) have demonstrated inherent therapeutic potential or can serve as nanocarriers of antibiotics against multidrug resistant (MDR) pathogens. These carriers can mask the antibiotics and help evade the resistance mechanism of the bacteria. The targeted delivery can be fine-tuned through surface functionalization of Nanocarriers using aptamers, antibodies etc. This review covers various molecular mechanisms acquired by resistant bacteria towards membrane modification. Mechanistic insight on 'NP surface-bacterial membrane' interactions are crucial in deciding the role of NP as therapeutic. Finally, we highlight the potential accessible membrane targets for designing smart surface-functionalized nanocarriers which can act as bacteria-targeted robots over the existing clinically available antibiotics. As the bacterial strains around us continue to evolve into resistant versions, nanomedicine can offer promising and alternative tools in overcoming AMR.
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Affiliation(s)
- Suraj Kumar Modi
- Department of Biotechnology, Bennett University, Greater Noida, Uttar Pradesh, India
- Centre of Excellence for Nanosensors and Nanomedicine, Bennett University, Greater Noida, Uttar Pradesh, India
| | - Smriti Gaur
- Department of Biotechnology, Bennett University, Greater Noida, Uttar Pradesh, India
| | - Mrittika Sengupta
- Department of Biotechnology, Bennett University, Greater Noida, Uttar Pradesh, India
- Centre of Excellence for Nanosensors and Nanomedicine, Bennett University, Greater Noida, Uttar Pradesh, India
- Mrittika Sengupta, ;
| | - Manu Smriti Singh
- Department of Biotechnology, Bennett University, Greater Noida, Uttar Pradesh, India
- Centre of Excellence for Nanosensors and Nanomedicine, Bennett University, Greater Noida, Uttar Pradesh, India
- *Correspondence: Manu Smriti Singh, ;
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45
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Ye J, Chen X. Current Promising Strategies against Antibiotic-Resistant Bacterial Infections. Antibiotics (Basel) 2022; 12:antibiotics12010067. [PMID: 36671268 PMCID: PMC9854991 DOI: 10.3390/antibiotics12010067] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2022] [Revised: 12/27/2022] [Accepted: 12/28/2022] [Indexed: 12/31/2022] Open
Abstract
Infections caused by antibiotic-resistant bacteria (ARB) are one of the major global health challenges of our time. In addition to developing new antibiotics to combat ARB, sensitizing ARB, or pursuing alternatives to existing antibiotics are promising options to counter antibiotic resistance. This review compiles the most promising anti-ARB strategies currently under development. These strategies include the following: (i) discovery of novel antibiotics by modification of existing antibiotics, screening of small-molecule libraries, or exploration of peculiar places; (ii) improvement in the efficacy of existing antibiotics through metabolic stimulation or by loading a novel, more efficient delivery systems; (iii) development of alternatives to conventional antibiotics such as bacteriophages and their encoded endolysins, anti-biofilm drugs, probiotics, nanomaterials, vaccines, and antibody therapies. Clinical or preclinical studies show that these treatments possess great potential against ARB. Some anti-ARB products are expected to become commercially available in the near future.
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Dehnad D, Emadzadeh B, Ghorani B, Rajabzadeh G, Kharazmi MS, Jafari SM. Nano-vesicular carriers for bioactive compounds and their applications in food formulations. Crit Rev Food Sci Nutr 2022; 64:5583-5602. [PMID: 36519525 DOI: 10.1080/10408398.2022.2156474] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
The most commonly used vesicular systems in the food industry include liposomes, niosomes, phytosomes, or transfersomes. This review focuses on showing how nano-vesicular carriers (NVCs) amend the properties of bioactive compounds (bioactives), making them suitable for food applications, especially functional foods. In this research, we elaborate on the question of whether bioactive-loaded NVCs affect various food aspects such as their antioxidant capacity, or sensory properties. This review also shows how NVCs improve the long-term release profile of bioactives during storage and at different pH values. Besides, the refinement of digestibility and bioaccessibility of diverse bioactives through NVCs in the gastrointestinal tract is elucidated. NVCs allow for stable vesicle formation (e.g. from anthocyanins) which reduces their cytotoxicity and proliferation of cancer cells, prolongs the release bioactives (e.g. d-limonene) with no critical burst, reduces the biofilm formation capacity of both Gram-positive/negative strains and their biofilm gene expression is down-regulated (in the case of tannic acid), low oxidation (e.g. iron) is endured when exposed to simulated gastric fluid, and unpleasant smell and taste are masked (in case of omega-3 fatty acids). After the incorporation of bioactive-loaded NVCs into food products, their antioxidant capacity is enhanced, maintaining high encapsulation efficiency and enduring pasteurization conditions, and they are not distinguished from control samples in sensory evaluation despite the reverse situation about free bioactives.
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Affiliation(s)
- Danial Dehnad
- Department of Food Nanotechnology, Research Institute of Food Science and Technology (RIFST), Mashhad, Iran
| | - Bahareh Emadzadeh
- Department of Food Nanotechnology, Research Institute of Food Science and Technology (RIFST), Mashhad, Iran
| | - Behrouz Ghorani
- Department of Food Nanotechnology, Research Institute of Food Science and Technology (RIFST), Mashhad, Iran
| | - Ghadir Rajabzadeh
- Department of Food Nanotechnology, Research Institute of Food Science and Technology (RIFST), Mashhad, Iran
| | | | - Seid Mahdi Jafari
- Department of Food Materials and Process Design Engineering, Gorgan University of Agricultural Sciences and Natural Resources, Gorgan, Iran
- Department of Analytical Chemistry and Food Science, Faculty of Science, Universidade de Vigo, Nutrition and Bromatology Group, Ourense, Spain
- College of Food Science and Technology, Hebei Agricultural University, Baoding, China
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Lu P, Zhang X, Li F, Xu KF, Li YH, Liu X, Yang J, Zhu B, Wu FG. Cationic Liposomes with Different Lipid Ratios: Antibacterial Activity, Antibacterial Mechanism, and Cytotoxicity Evaluations. Pharmaceuticals (Basel) 2022; 15:ph15121556. [PMID: 36559007 PMCID: PMC9783835 DOI: 10.3390/ph15121556] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2022] [Revised: 12/05/2022] [Accepted: 12/06/2022] [Indexed: 12/15/2022] Open
Abstract
Due to their strong bacterial binding and bacterial toxicity, cationic liposomes have been utilized as effective antibacterial materials in many studies. However, few researchers have systematically compared their antibacterial activity with their mammalian cell cytotoxicity or have deeply explored their antibacterial and cytotoxicity mechanisms. Here, we prepared a series of cationic liposomes (termed CLs) using dimethyldioctadecylammonium chloride (DODAC) and lecithin at different molar ratios. CLs have the ability to effectively bind with Gram-positive and Gram-negative bacteria through electrostatic and hydrophobic interactions. Further, the CLs with high molar ratios of DODAC (30 and 40 mol%) can disrupt the bacterial wall/membrane, efficiently inducing the production of reactive oxygen species (ROS). More importantly, we carefully compared the antibacterial activity and the mammalian cell cytotoxicity of various CLs differing in DODAC contents and liposomal concentrations and revealed that, whether they are bacterial or mammalian cells, an increasing DODAC content in CLs can lead to an elevated cytotoxicity level. Further, there exists a critical DODAC contents (>20 mol%) in CLs to endow them with effective antibacterial ability. However, the variation in the DODAC content and liposomal concentration of CLs has different degrees of influence on the antibacterial activity or cytotoxicity. For example, CLs at high DODAC content (i.e., CL0.3 and CL0.4) could effectively kill both types of bacterial cells but only cause negligible toxicity to mammalian cells. We believe that a systematic comparison between the antibacterial activity and the cytotoxicity of CLs with different DODAC contents will provide an important reference for the potential clinical applications of cationic liposomes.
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Affiliation(s)
- Pengpeng Lu
- Department of Emergency, The Second Affiliated Hospital of Nantong University, 6 North Hai’erxiang Road, Nantong 226001, China
| | - Xinping Zhang
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, 2 Sipailou Road, Nanjing 210096, China
| | - Feng Li
- Department of Emergency, The Second Affiliated Hospital of Nantong University, 6 North Hai’erxiang Road, Nantong 226001, China
| | - Ke-Fei Xu
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, 2 Sipailou Road, Nanjing 210096, China
| | - Yan-Hong Li
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, 2 Sipailou Road, Nanjing 210096, China
| | - Xiaoyang Liu
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, 2 Sipailou Road, Nanjing 210096, China
| | - Jing Yang
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, 2 Sipailou Road, Nanjing 210096, China
| | - Baofeng Zhu
- Department of Emergency, The Second Affiliated Hospital of Nantong University, 6 North Hai’erxiang Road, Nantong 226001, China
- Correspondence: (B.Z.); (F.-G.W.)
| | - Fu-Gen Wu
- Department of Emergency, The Second Affiliated Hospital of Nantong University, 6 North Hai’erxiang Road, Nantong 226001, China
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, 2 Sipailou Road, Nanjing 210096, China
- Correspondence: (B.Z.); (F.-G.W.)
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Morais D, Tanoeiro L, Marques AT, Gonçalves T, Duarte A, Matos APA, Vital JS, Cruz MEM, Carvalheiro MC, Anes E, Vítor JMB, Gaspar MM, Vale FF. Liposomal Delivery of Newly Identified Prophage Lysins in a Pseudomonas aeruginosa Model. Int J Mol Sci 2022; 23:ijms231710143. [PMID: 36077542 PMCID: PMC9456237 DOI: 10.3390/ijms231710143] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2022] [Revised: 08/30/2022] [Accepted: 08/31/2022] [Indexed: 11/16/2022] Open
Abstract
Pseudomonas aeruginosa is a Gram-negative opportunistic bacterium that presents resistance to several antibiotics, thus, representing a major threat to human and animal health. Phage-derived products, namely lysins, or peptidoglycan-hydrolyzing enzymes, can be an effective weapon against antibiotic-resistant bacteria. Whereas in Gram-positive bacteria, lysis from without is facilitated by the exposed peptidoglycan layer, this is not possible in the outer membrane-protected peptidoglycan of Gram-negative bacteria. Here, we suggest the encapsulation of lysins in liposomes as a delivery system against Gram-negative bacteria, using the model of P. aeruginosa. Bioinformatic analysis allowed for the identification of 38 distinct complete prophages within 66 P. aeruginosa genomes (16 of which newly sequenced) and led to the identification of 19 lysins of diverse sequence and function, 5 of which proceeded to wet lab analysis. The four purifiable lysins showed hydrolytic activity against Gram-positive bacterial lawns and, on zymogram assays, constituted of autoclaved P. aeruginosa cells. Additionally, lysins Pa7 and Pa119 combined with an outer membrane permeabilizer showed activity against P. aeruginosa cells. These two lysins were successfully encapsulated in DPPC:DOPE:CHEMS (molar ratio 4:4:2) liposomes with an average encapsulation efficiency of 33.33% and 32.30%, respectively. The application of the encapsulated lysins to the model P. aeruginosa led to a reduction in cell viability and resulted in cell lysis as observed in MTT cell viability assays and electron microscopy. In sum, we report here that prophages may be important sources of new enzybiotics, with prophage lysins showing high diversity and activity. In addition, these enzybiotics following their incorporation in liposomes were able to potentiate their antibacterial effect against the Gram-negative bacteria P. aeruginosa, used as the model.
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Affiliation(s)
- Diana Morais
- Pathogen Genome Bioinformatics and Computational Biology, Research Institute for Medicines (iMed.ULisboa), Faculty of Pharmacy, Universidade de Lisboa, 1649-003 Lisboa, Portugal
| | - Luís Tanoeiro
- Pathogen Genome Bioinformatics and Computational Biology, Research Institute for Medicines (iMed.ULisboa), Faculty of Pharmacy, Universidade de Lisboa, 1649-003 Lisboa, Portugal
| | - Andreia T. Marques
- Pathogen Genome Bioinformatics and Computational Biology, Research Institute for Medicines (iMed.ULisboa), Faculty of Pharmacy, Universidade de Lisboa, 1649-003 Lisboa, Portugal
| | - Tiago Gonçalves
- Pathogen Genome Bioinformatics and Computational Biology, Research Institute for Medicines (iMed.ULisboa), Faculty of Pharmacy, Universidade de Lisboa, 1649-003 Lisboa, Portugal
- Advanced Technologies for Drug Delivery, Research Institute for Medicines (iMed-ULisboa), Faculty of Pharmacy, Universidade de Lisboa, 1649-003 Lisboa, Portugal
| | - Aida Duarte
- Faculty of Pharmacy, Universidade de Lisboa, Av. Gama Pinto, 1649-003 Lisboa, Portugal
- Centro de Investigação Interdisciplinar Egas Moniz (CiiEM), Instituto Superior Egas Moniz, Quinta da Granja, 2829-511 Monte da Caparica, Portugal
| | - António Pedro Alves Matos
- Centro de Investigação Interdisciplinar Egas Moniz (CiiEM), Instituto Superior Egas Moniz, Quinta da Granja, 2829-511 Monte da Caparica, Portugal
| | - Joana S. Vital
- Pathogen Genome Bioinformatics and Computational Biology, Research Institute for Medicines (iMed.ULisboa), Faculty of Pharmacy, Universidade de Lisboa, 1649-003 Lisboa, Portugal
| | - Maria Eugénia Meirinhos Cruz
- Advanced Technologies for Drug Delivery, Research Institute for Medicines (iMed-ULisboa), Faculty of Pharmacy, Universidade de Lisboa, 1649-003 Lisboa, Portugal
| | - Manuela Colla Carvalheiro
- Advanced Technologies for Drug Delivery, Research Institute for Medicines (iMed-ULisboa), Faculty of Pharmacy, Universidade de Lisboa, 1649-003 Lisboa, Portugal
| | - Elsa Anes
- Host-Pathogen Interactions Unit, Research Institute for Medicines (iMed-ULisboa), Faculty of Pharmacy, Universidade de Lisboa, 1649-003 Lisboa, Portugal
| | - Jorge M. B. Vítor
- Pathogen Genome Bioinformatics and Computational Biology, Research Institute for Medicines (iMed.ULisboa), Faculty of Pharmacy, Universidade de Lisboa, 1649-003 Lisboa, Portugal
- Faculty of Pharmacy, Universidade de Lisboa, Av. Gama Pinto, 1649-003 Lisboa, Portugal
| | - Maria Manuela Gaspar
- Advanced Technologies for Drug Delivery, Research Institute for Medicines (iMed-ULisboa), Faculty of Pharmacy, Universidade de Lisboa, 1649-003 Lisboa, Portugal
- Correspondence: or (M.M.G.); or (F.F.V.)
| | - Filipa F. Vale
- Pathogen Genome Bioinformatics and Computational Biology, Research Institute for Medicines (iMed.ULisboa), Faculty of Pharmacy, Universidade de Lisboa, 1649-003 Lisboa, Portugal
- Correspondence: or (M.M.G.); or (F.F.V.)
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49
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Abu Lila AS, Huwaimel B, Alobaida A, Hussain T, Rafi Z, Mehmood K, Abdallah MH, Hagbani TA, Rizvi SMD, Moin A, Ahmed AF. Delafloxacin-Capped Gold Nanoparticles (DFX-AuNPs): An Effective Antibacterial Nano-Formulation of Fluoroquinolone Antibiotic. MATERIALS (BASEL, SWITZERLAND) 2022; 15:ma15165709. [PMID: 36013845 PMCID: PMC9415438 DOI: 10.3390/ma15165709] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/16/2022] [Revised: 08/16/2022] [Accepted: 08/17/2022] [Indexed: 05/03/2023]
Abstract
New antibiotics are seen as 'drugs of last resort' against virulent bacteria. However, development of resistance towards new antibiotics with time is a universal fact. Delafloxacin (DFX) is a new fluoroquinolone antibiotic that differs from existing fluoroquinolones by the lack of a protonatable substituent, which gives the molecule a weakly acidic nature, affording it higher antibacterial activity under an acidic environment. Furthermore, antibiotic-functionalized metallic nanoparticles have been recently emerged as a feasible platform for conquering bacterial resistance. In the present study, therefore, we aimed at preparing DFX-gold nano-formulations to increase the antibacterial potential of DFX. To synthesize DFX-capped gold nanoparticles (DFX-AuNPs), DFX was used as a reducing and stabilizing/encapsulating agent. Various analytical techniques such as UV-visible spectroscopy, TEM, DLS, FTIR and zeta potential analysis were applied to determine the properties of the synthesized DFX-AuNPs. The synthesized DFX-AuNPs revealed a distinct surface plasmon resonance (SPR) band at 530 nm and an average size of 16 nm as manifested by TEM analysis. In addition, Zeta potential results (-19 mV) confirmed the stability of the synthesized DFX-AuNPs. Furthermore, FTIR analysis demonstrated that DFX was adsorbed onto the surface of AuNPs via strong interaction between AuNPs and DFX. Most importantly, comparative antibacterial analysis of DFX alone and DFX-AuNPs against Gram-negative (Escherichia coli and Pseudomonas aeruginosa) and Gram-positive (Staphylococcus aureus and Bacillus subtilis) verified the superior antibacterial activity of DFX-AuNPs against the tested microorganisms. To sum up, DFX gold nano-formulations can offer a promising possible solution, even at a lower antibiotic dose, to combat pathogenic bacteria.
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Affiliation(s)
- Amr Selim Abu Lila
- Department of Pharmaceutics, College of Pharmacy, University of Ha’il, Ha’il 81442, Saudi Arabia
- Department of Pharmaceutics and Industrial Pharmacy, Faculty of Pharmacy, Zagazig University, Zagazig 44519, Egypt
| | - Bader Huwaimel
- Department of Pharmaceutical Chemistry, College of Pharmacy, University of Ha’il, Ha’il 81442, Saudi Arabia
| | - Ahmed Alobaida
- Department of Pharmaceutics, College of Pharmacy, University of Ha’il, Ha’il 81442, Saudi Arabia
| | - Talib Hussain
- Department of Pharmacology and Toxicology, College of Pharmacy, University of Ha’il, Ha’il 81442, Saudi Arabia
| | - Zeeshan Rafi
- Nanomedicine and Nanotechnology Lab, Department of Biosciences, Integral University, Lucknow 226026, India
| | - Khalid Mehmood
- Department of Pharmacy, Abbottabad University of Science and Technology, Havelian 22500, Pakistan
| | - Marwa H. Abdallah
- Department of Pharmaceutics, College of Pharmacy, University of Ha’il, Ha’il 81442, Saudi Arabia
- Department of Pharmaceutics and Industrial Pharmacy, Faculty of Pharmacy, Zagazig University, Zagazig 44519, Egypt
| | - Turki Al Hagbani
- Department of Pharmaceutics, College of Pharmacy, University of Ha’il, Ha’il 81442, Saudi Arabia
| | - Syed Mohd Danish Rizvi
- Department of Pharmaceutics, College of Pharmacy, University of Ha’il, Ha’il 81442, Saudi Arabia
- Correspondence: (S.M.D.R.); (A.M.)
| | - Afrasim Moin
- Department of Pharmaceutics, College of Pharmacy, University of Ha’il, Ha’il 81442, Saudi Arabia
- Correspondence: (S.M.D.R.); (A.M.)
| | - Abobakr F. Ahmed
- Department of Microbiology and Immunology, Faculty of Pharmacy, Minia University, Minia 61519, Egypt
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50
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Elfadil D, Elkhatib WF, El-Sayyad GS. Promising advances in nanobiotic-based formulations for drug specific targeting against multidrug-resistant microbes and biofilm-associated infections. Microb Pathog 2022; 170:105721. [PMID: 35970290 DOI: 10.1016/j.micpath.2022.105721] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2022] [Revised: 08/06/2022] [Accepted: 08/08/2022] [Indexed: 10/15/2022]
Abstract
Antimicrobial agents and alternative strategies to combat bacterial infections have become urgent due to the rapid development of multidrug-resistant bacteria caused by the misuse and overuse of antibiotics, as well as the ineffectiveness of antibiotics against difficult-to-treat infectious diseases. Nanobiotics is one of the strategies being explored to counter the increase in antibiotic-resistant bacteria. Nanobiotics are antibiotic molecules encapsulated in nanoparticles or artificially engineered pure antibiotics that are ≤ 100 nm in size in at least one dimension. Formulation scientists recognize nanobiotic delivery systems as an effective strategy to overcome the limitations associated with conventional antibiotic therapy. This review highlights the general mechanisms by which nanobiotics can be used to target resistant microbes and biofilm-associated infections. We focus on the design elements, properties, characterization, and toxicity assessment of organic nanoparticles, inorganic nanoparticle and molecularly imprinted polymer-based nano-formulations that can be designed to improve the efficacy of nanobiotic formulation.
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Affiliation(s)
- Dounia Elfadil
- Biology and Chemistry Department, Hassan II University of Casablanca, Morocco
| | - Walid F Elkhatib
- Microbiology and Immunology Department, Ain Shams University, African Union Organization St., Abbassia, Cairo, 11566, Egypt; Department of Microbiology and Immunology, Galala University, New Galala City, Suez, Egypt.
| | - Gharieb S El-Sayyad
- Department of Microbiology and Immunology, Galala University, New Galala City, Suez, Egypt; Drug Radiation Research Department, National Center for Radiation Research and Technology (NCRRT), Egyptian Atomic Energy Authority (EAEA), Cairo, Egypt.
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