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Nicolosi D, Petronio Petronio G, Russo S, Di Naro M, Cutuli MA, Russo C, Di Marco R. Innovative Phospholipid Carriers: A Viable Strategy to Counteract Antimicrobial Resistance. Int J Mol Sci 2023; 24:15934. [PMID: 37958915 PMCID: PMC10648799 DOI: 10.3390/ijms242115934] [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: 09/28/2023] [Revised: 10/23/2023] [Accepted: 10/30/2023] [Indexed: 11/15/2023] Open
Abstract
The overuse and misuse of antibiotics have led to the emergence and spread of multidrug-resistant (MDR), extensively drug-resistant (XDR), and pan-drug-resistant (PDR) bacteria strains, usually associated with poorer patient outcomes and higher costs. In order to preserve the usefulness of these life-saving drugs, it is crucial to use them appropriately, as also recommended by the WHO. Moreover, innovative, safe, and more effective approaches are being investigated, aiming to revise drug treatments to improve their pharmacokinetics and distribution and to reduce the onset of drug resistance. Globally, to reduce the burden of antimicrobial resistance (AMR), guidelines and indications have been developed over time, aimed at narrowing the use and diminishing the environmental spread of these life-saving molecules by optimizing prescriptions, dosage, and times of use, as well as investing resources into obtaining innovative formulations with better pharmacokinetics, pharmacodynamics, and therapeutic results. This has led to the development of new nano-formulations as drug delivery vehicles, characterized by unique structural properties, biocompatible natures, and targeted activities such as state-of-the-art phospholipid particles generally grouped as liposomes, virosomes, and functionalized exosomes, which represent an attractive and innovative delivery approach. Liposomes and virosomes are chemically synthesized carriers that utilize phospholipids whose nature is predetermined based on their use, with a long track record as drug delivery systems. Exosomes are vesicles naturally released by cells, which utilize the lipids present in their cellular membranes only, and therefore, are highly biocompatible, with investigations as a delivery system having a more recent origin. This review will summarize the state of the art on microvesicle research, liposomes, virosomes, and exosomes, as useful and effective tools to tackle the threat of antibiotic resistance.
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Affiliation(s)
- Daria Nicolosi
- Department of Drug and Health Sciences, Università degli Studi di Catania, 95125 Catania, Italy; (D.N.); (M.D.N.)
| | - Giulio Petronio Petronio
- Department of Medicine and Health Sciences “V. Tiberio”, Università degli Studi del Molise, 86100 Campobasso, Italy; (G.P.P.); (M.A.C.); (C.R.); (R.D.M.)
| | - Stefano Russo
- Division of Biochemistry, Medical Faculty Mannheim, Mannheim Institute for Innate Immunoscience (MI3), Heidelberg University (HBIGS), 68167 Mannheim, Germany
| | - Maria Di Naro
- Department of Drug and Health Sciences, Università degli Studi di Catania, 95125 Catania, Italy; (D.N.); (M.D.N.)
| | - Marco Alfio Cutuli
- Department of Medicine and Health Sciences “V. Tiberio”, Università degli Studi del Molise, 86100 Campobasso, Italy; (G.P.P.); (M.A.C.); (C.R.); (R.D.M.)
| | - Claudio Russo
- Department of Medicine and Health Sciences “V. Tiberio”, Università degli Studi del Molise, 86100 Campobasso, Italy; (G.P.P.); (M.A.C.); (C.R.); (R.D.M.)
- Consorzio Interuniversitario in Ingegneria e Medicina (COIIM), Azienda Sanitaria Regionale del Molise ASReM, UOC Governance del Farmaco, 86100 Campobasso, Italy
| | - Roberto Di Marco
- Department of Medicine and Health Sciences “V. Tiberio”, Università degli Studi del Molise, 86100 Campobasso, Italy; (G.P.P.); (M.A.C.); (C.R.); (R.D.M.)
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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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Marzaman ANF, Roska TP, Sartini S, Utami RN, Sulistiawati S, Enggi CK, Manggau MA, Rahman L, Shastri VP, Permana AD. Recent Advances in Pharmaceutical Approaches of Antimicrobial Agents for Selective Delivery in Various Administration Routes. Antibiotics (Basel) 2023; 12:822. [PMID: 37237725 PMCID: PMC10215767 DOI: 10.3390/antibiotics12050822] [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: 03/06/2023] [Revised: 04/15/2023] [Accepted: 04/24/2023] [Indexed: 05/28/2023] Open
Abstract
Globally, the increase of pathogenic bacteria with antibiotic-resistant characteristics has become a critical challenge in medical treatment. The misuse of conventional antibiotics to treat an infectious disease often results in increased resistance and a scarcity of effective antimicrobials to be used in the future against the organisms. Here, we discuss the rise of antimicrobial resistance (AMR) and the need to combat it through the discovery of new synthetic or naturally occurring antibacterial compounds, as well as insights into the application of various drug delivery approaches delivered via various routes compared to conventional delivery systems. AMR-related infectious diseases are also discussed, as is the efficiency of various delivery systems. Future considerations in developing highly effective antimicrobial delivery devices to address antibiotic resistance are also presented here, especially on the smart delivery system of antibiotics.
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Affiliation(s)
- Ardiyah Nurul Fitri Marzaman
- Faculty of Pharmacy, Hasanuddin University, Makassar 90245, Indonesia; (A.N.F.M.); (T.P.R.); (S.S.); (R.N.U.); (S.S.); (C.K.E.); (M.A.M.); (L.R.)
| | - Tri Puspita Roska
- Faculty of Pharmacy, Hasanuddin University, Makassar 90245, Indonesia; (A.N.F.M.); (T.P.R.); (S.S.); (R.N.U.); (S.S.); (C.K.E.); (M.A.M.); (L.R.)
| | - Sartini Sartini
- Faculty of Pharmacy, Hasanuddin University, Makassar 90245, Indonesia; (A.N.F.M.); (T.P.R.); (S.S.); (R.N.U.); (S.S.); (C.K.E.); (M.A.M.); (L.R.)
| | - Rifka Nurul Utami
- Faculty of Pharmacy, Hasanuddin University, Makassar 90245, Indonesia; (A.N.F.M.); (T.P.R.); (S.S.); (R.N.U.); (S.S.); (C.K.E.); (M.A.M.); (L.R.)
| | - Sulistiawati Sulistiawati
- Faculty of Pharmacy, Hasanuddin University, Makassar 90245, Indonesia; (A.N.F.M.); (T.P.R.); (S.S.); (R.N.U.); (S.S.); (C.K.E.); (M.A.M.); (L.R.)
| | - Cindy Kristina Enggi
- Faculty of Pharmacy, Hasanuddin University, Makassar 90245, Indonesia; (A.N.F.M.); (T.P.R.); (S.S.); (R.N.U.); (S.S.); (C.K.E.); (M.A.M.); (L.R.)
| | - Marianti A. Manggau
- Faculty of Pharmacy, Hasanuddin University, Makassar 90245, Indonesia; (A.N.F.M.); (T.P.R.); (S.S.); (R.N.U.); (S.S.); (C.K.E.); (M.A.M.); (L.R.)
| | - Latifah Rahman
- Faculty of Pharmacy, Hasanuddin University, Makassar 90245, Indonesia; (A.N.F.M.); (T.P.R.); (S.S.); (R.N.U.); (S.S.); (C.K.E.); (M.A.M.); (L.R.)
| | - Venkatram Prasad Shastri
- Institute for Macromolecular Chemistry, Albert Ludwigs Universitat Freiburg, 79085 Freiburg, Germany;
| | - Andi Dian Permana
- Faculty of Pharmacy, Hasanuddin University, Makassar 90245, Indonesia; (A.N.F.M.); (T.P.R.); (S.S.); (R.N.U.); (S.S.); (C.K.E.); (M.A.M.); (L.R.)
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Hwang J, Huang H, Sullivan MO, Kiick KL. Controlled Delivery of Vancomycin from Collagen-tethered Peptide Vehicles for the Treatment of Wound Infections. Mol Pharm 2023; 20:1696-1708. [PMID: 36707500 PMCID: PMC10197141 DOI: 10.1021/acs.molpharmaceut.2c00898] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Abstract
Despite the great promise of antibiotic therapy in wound infections, antibiotic resistance stemming from frequent dosing diminishes drug efficacy and contributes to recurrent infection. To identify improvements in antibiotic therapies, new antibiotic delivery systems that maximize pharmacological activity and minimize side effects are needed. In this study, we developed elastin-like peptide and collagen-like peptide nanovesicles (ECnVs) tethered to collagen-containing matrices to control vancomycin delivery and provide extended antibacterial effects against methicillin-resistant Staphylococcus aureus (MRSA). We observed that ECnVs showed enhanced entrapment efficacy of vancomycin by 3-fold as compared to liposome formulations. Additionally, ECnVs enabled the controlled release of vancomycin at a constant rate with zero-order kinetics, whereas liposomes exhibited first-order release kinetics. Moreover, ECnVs could be retained on both collagen-fibrin (co-gel) matrices and collagen-only matrices, with differential retention on the two biomaterials resulting in different local concentrations of released vancomycin. Overall, the biphasic release profiles of vancomycin from ECnVs/co-gel and ECnVs/collagen more effectively inhibited the growth of MRSA for 18 and 24 h, respectively, even after repeated bacterial inoculation, as compared to matrices containing free vancomycin, which just delayed the growth of MRSA. Thus, this newly developed antibiotic delivery system exhibited distinct advantages for controlled vancomycin delivery and prolonged antibacterial activity relevant to the treatment of wound infections.
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Affiliation(s)
- Jeongmin Hwang
- Department of Biomedical Engineering, University of Delaware, Newark, DE, 19713, USA
| | - Haofu Huang
- Department of Materials Science and Engineering, University of Delaware, Newark, DE, 19716, USA
| | - Millicent O. Sullivan
- Department of Biomedical Engineering, University of Delaware, Newark, DE, 19713, USA
- Department of Chemical and Biomolecular Engineering, University of Delaware, Newark, DE, 19716, USA
| | - Kristi L. Kiick
- Department of Biomedical Engineering, University of Delaware, Newark, DE, 19713, USA
- Department of Materials Science and Engineering, University of Delaware, Newark, DE, 19716, USA
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Almeida Furquim de Camargo B, Fonseca-Santos B, Gonçalves Carvalho S, Corrêa Carvalho G, Delello Di Filippo L, Sousa Araújo VH, Lobato Duarte J, Polli Silvestre AL, Bauab TM, Chorilli M. Functionalized lipid-based drug delivery nanosystems for the treatment of human infectious diseases. Crit Rev Microbiol 2023; 49:214-230. [PMID: 35634703 DOI: 10.1080/1040841x.2022.2047007] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Infectious diseases are still public health problems. Microorganisms such as fungi, bacteria, viruses, and parasites are the main causing agents related to these diseases. In this context, the search for new effective strategies in prevention and/or treatment is considered essential, since current drugs often have side effects or end up, causing microbial resistance, making it a serious health problem. As an alternative to these limitations, nanotechnology has been widely used. The use of lipid-based drug delivery nanosystems (DDNs) has some advantages, such as biocompatibility, low toxicity, controlled release, the ability to carry both hydrophilic and lipophilic drugs, in addition to be easel scalable. Besides, as an improvement, studies involving the conjugation of signalling molecules on the surfaces of these nanocarriers can allow the target of certain tissues or cells. Thus, this review summarizes the performance of functionalized lipid-based DDNs for the treatment of infectious diseases caused by viruses, including SARS-CoV-2, bacteria, fungi, and parasites.
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Affiliation(s)
| | - Bruno Fonseca-Santos
- Faculty of Pharmaceutical Sciences, Campinas State University (UNICAMP), Campinas, Brazil
| | | | | | | | | | - Jonatas Lobato Duarte
- School of Pharmaceutical Sciences, São Paulo State University (UNESP), Araraquara, Brazil
| | | | - Taís Maria Bauab
- School of Pharmaceutical Sciences, São Paulo State University (UNESP), Araraquara, Brazil
| | - Marlus Chorilli
- School of Pharmaceutical Sciences, São Paulo State University (UNESP), Araraquara, Brazil
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6
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Zaborova OV, Timoshenko VA, Nardin C, Filippov SK. New insights on the release and self-healing model of stimuli-sensitive liposomes. J Colloid Interface Sci 2023; 640:558-567. [PMID: 36878073 DOI: 10.1016/j.jcis.2023.02.099] [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: 10/30/2022] [Revised: 01/29/2023] [Accepted: 02/19/2023] [Indexed: 02/27/2023]
Abstract
The mixing of conventional and pH-sensitive lipids was exploited to design novel stimuli-responsive liposomes (fliposomes) that could be used for smart drug delivery. We deeply investigated the structural properties of the fliposomes and revealed the mechanisms that are involved in a membrane transformation during a pH change. From ITC experiments we observed the existence of a slow process that was attributed to lipid layers arrangement with changing pH. Moreover, we determined for the first time the pKa value of the trigger-lipid in an aqueous milieu that is drastically different from the methanol-based values reported previously in the literature. Furthermore, we studied the release kinetics of encapsulated NaCl and proposed a novel model of release that involves the physical fitting parameters that could be extracted from the release curves fitting. We have obtained for the first time, the values of pores self-healing times and were able to trace their evolution with changing pH, temperature, the amount of lipid-trigger.
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Affiliation(s)
- Olga V Zaborova
- Chemistry Department, Moscow State University, Leninskie gory 1-3, Moscow 119991, Russian Federation
| | - Vadim A Timoshenko
- Chemistry Department, Moscow State University, Leninskie gory 1-3, Moscow 119991, Russian Federation
| | - Corinne Nardin
- Universite de Pau et des Pays de l'Adour, E2S UPPA, CNRS, IPREM, Pau 64053, France
| | - Sergey K Filippov
- School of Pharmacy, University of Reading, Whiteknights, Reading, RG6 6AD Berkshire, United Kingdom.
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Abstract
AbstractBiophysical studies have a very high impact on the understanding of internalization, molecular mechanisms, interactions, and localization of CPPs and CPP/cargo conjugates in live cells or in vivo. Biophysical studies are often first carried out in test-tube set-ups or in vitro, leading to the complicated in vivo systems. This review describes recent studies of CPP internalization, mechanisms, and localization. The multiple methods in these studies reveal different novel and important aspects and define the rules for CPP mechanisms, hopefully leading to their improved applicability to novel and safe therapies.
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Affiliation(s)
- Matjaž Zorko
- University of Ljubljana, Medical Faculty, Institute of Biochemistry and Molecular Genetics, Vrazov trg 2, 1000Ljubljana, Slovenia,
| | - Ülo Langel
- University of Stockholm, Department of Biochemistry and Biophysics, Svante Arrhenius väg 16, 106 91 Stockholm, Sweden, , and Institute of Technology, University of Tartu, Nooruse 1, Tartu, Estonia, 50411
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Bahrami A, Delshadi R, Cacciotti I, Faridi Esfanjani A, Rezaei A, Tarhan O, Lee CC, Assadpour E, Tomas M, Vahapoglu B, Capanoglu Guven E, Williams L, Jafari SM. Targeting foodborne pathogens via surface-functionalized nano-antimicrobials. Adv Colloid Interface Sci 2022; 302:102622. [PMID: 35248971 DOI: 10.1016/j.cis.2022.102622] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2021] [Revised: 02/21/2022] [Accepted: 02/25/2022] [Indexed: 01/10/2023]
Abstract
The incorporation of antibiotics and bioactive compounds into non-toxic nanoparticles has been popularly used to produce effective antimicrobial nanocarriers against foodborne pathogens. These systems can protect antimicrobials against harsh environments, control their release, and increase their antimicrobial activities; however, their functions can be decreased by some major barriers. Intracellular localization of bacteria protects them from the host immune system and antimicrobial agents. Also, bacteria can cause constant infection by nestling in professional phagocytic cells. In the last years, surface functionalization of nanocarriers by passive and active modification methods has been applied for their protection against clearance from the blood, increasing both circulation time and uptake by target cells. For achieving this objective, different functional agents such as specifically targeted peptides internalize ligands, saccharide ligands, or even therapeutic molecules (e.g., antibodies or enzymes) are used. In this review, techniques for functionalizing the surface of antimicrobial-loaded nanocarriers have been described. This article offers a comprehensive review of the potential of functional nanoparticles to increase the performance of antimicrobials against foodborne pathogens through targeting delivery.
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Tasset A, Bellamkonda A, Wang W, Pyatnitskiy I, Ward D, Peppas N, Wang H. Overcoming barriers in non-viral gene delivery for neurological applications. NANOSCALE 2022; 14:3698-3719. [PMID: 35195645 PMCID: PMC9036591 DOI: 10.1039/d1nr06939j] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
Abstract
Gene therapy for neurological disorders has attracted significant interest as a way to reverse or stop various disease pathologies. Typical gene therapies involving the central and peripheral nervous system make use of adeno-associated viral vectors whose questionable safety and limitations in manufacturing has given rise to extensive research into non-viral vectors. While early research studies have demonstrated limited efficacy with these non-viral vectors, investigation into various vector materials and functionalization methods has provided insight into ways to optimize these non-viral vectors to improve desired characteristics such as improved blood-brain barrier transcytosis, improved perfusion in brain region, enhanced cellular uptake and endosomal escape in neural cells, and nuclear transport of genetic material post- intracellular delivery. Using a combination of various strategies to enhance non-viral vectors, research groups have designed multi-functional vectors that have been successfully used in a variety of pre-clinical applications for the treatment of Parkinson's disease, brain cancers, and cellular reprogramming for neuron replacement. While more work is needed in the design of these multi-functional non-viral vectors for neural applications, much of the groundwork has been done and is reviewed here.
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Affiliation(s)
- Aaron Tasset
- Department of Biomedical Engineering, The University of Texas at Austin, Austin, TX, USA.
| | - Arjun Bellamkonda
- Department of Biomedical Engineering, The University of Texas at Austin, Austin, TX, USA.
| | - Wenliang Wang
- Department of Biomedical Engineering, The University of Texas at Austin, Austin, TX, USA.
| | - Ilya Pyatnitskiy
- Department of Biomedical Engineering, The University of Texas at Austin, Austin, TX, USA.
| | - Deidra Ward
- Department of Biomedical Engineering, The University of Texas at Austin, Austin, TX, USA.
| | - Nicholas Peppas
- Department of Biomedical Engineering, The University of Texas at Austin, Austin, TX, USA.
- Department of Chemical Engineering, The University of Texas at Austin, Austin, TX, USA
- Institute for Biomaterials, Drug Delivery, and Regenerative Medicine, The University of Texas at Austin, Austin, TX, USA
- Division of Molecular Pharmaceutics and Drug Delivery, College of Pharmacy, The University of Texas at Austin, Austin, TX, USA
- Department of Surgery and Perioperative Care, Dell Medical School, The University of Texas at Austin, Austin, TX, USA
| | - Huiliang Wang
- Department of Biomedical Engineering, The University of Texas at Austin, Austin, TX, USA.
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Joseph SK, M A A, Thomas S, Nair SC. Nanomedicine as a future therapeutic approach for treating meningitis. J Drug Deliv Sci Technol 2022. [DOI: 10.1016/j.jddst.2021.102968] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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Nwabuife JC, Pant AM, Govender T. Liposomal delivery systems and their applications against Staphylococcus aureus and Methicillin-resistant Staphylococcus aureus. Adv Drug Deliv Rev 2021; 178:113861. [PMID: 34242712 DOI: 10.1016/j.addr.2021.113861] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2021] [Revised: 06/29/2021] [Accepted: 07/01/2021] [Indexed: 12/16/2022]
Abstract
Liposomal delivery systems have been widely explored for targeting superbugs such as S. aureus and MRSA, overcoming antimicrobial resistance associated with conventional dosage forms. They have the significant advantage of delivering hydrophilic and lipophilic antimicrobial agents, either singularly as monotherapy or in combination as combination therapy, due to their bilayers with action-site-specificity, resulting in improved targeting compared to conventional dosage forms. Herein, we present an extensive and critical review of the different liposomal delivery systems employed in the past two decades for the delivery of both antibiotics of different classes and non-antibiotic antibacterial agents, as monotherapy and combination therapy to eradicate infections caused by S. aureus and MRSA. The review also identifies future research and strategies potentiating the applications of liposomal delivery systems against S. aureus and MRSA. This review confirms the potential application of liposomal delivery systems for effective delivery and specific targeting of S. aureus and MRSA infections.
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Sharma N, Zahoor I, Sachdeva M, Subramaniyan V, Fuloria S, Fuloria NK, Naved T, Bhatia S, Al-Harrasi A, Aleya L, Bungau S, Behl T, Singh S. Deciphering the role of nanoparticles for management of bacterial meningitis: an update on recent studies. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2021; 28:60459-60476. [PMID: 34545518 PMCID: PMC8452126 DOI: 10.1007/s11356-021-16570-y] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/10/2021] [Accepted: 09/12/2021] [Indexed: 04/15/2023]
Abstract
Meningitis is an inflammation of the protective membranes called meninges and fluid adjacent the brain and spinal cord. The inflammatory progression expands all through subarachnoid space of the brain and spinal cord and occupies the ventricles. The pathogens like bacteria, fungi, viruses, or parasites are main sources of infection causing meningitis. Bacterial meningitis is a life-threatening health problem that which needs instantaneous apprehension and treatment. Nesseria meningitidis, Streptococcus pneumoniae, and Haemophilus flu are major widespread factors causing bacterial meningitis. The conventional drug delivery approaches encounter difficulty in crossing this blood-brain barrier (BBB) and therefore are insufficient to elicit the desired pharmacological effect as required for treatment of meningitis. Therefore, application of nanoparticle-based drug delivery systems has become imperative for successful dealing with this deadly disease. The nanoparticles have ability to across BBB via four important transport mechanisms, i.e., paracellular transport, transcellular (transcytosis), endocytosis (adsorptive transcytosis), and receptor-mediated transcytosis. In this review, we reminisce distinctive symptoms of meningitis, and provide an overview of various types of bacterial meningitis, with a focus on its epidemiology, pathogenesis, and pathophysiology. This review describes conventional therapeutic approaches for treatment of meningitis and the problems encountered by them while transmitting across tight junctions of BBB. The nanotechnology approaches like functionalized polymeric nanoparticles, solid lipid nanoparticles, nanostructured lipid carrier, nanoemulsion, liposomes, transferosomes, and carbon nanotubes which have been recently evaluated for treatment or detection of bacterial meningitis have been focused. This review has also briefly summarized the recent patents and clinical status of therapeutic modalities for meningitis.
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Affiliation(s)
- Neelam Sharma
- Chitkara College of Pharmacy, Chitkara University, Punjab, India
| | - Ishrat Zahoor
- Chitkara College of Pharmacy, Chitkara University, Punjab, India
| | - Monika Sachdeva
- Fatima College of Health Sciences, Al Ain, United Arab Emirates
| | | | | | | | - Tanveer Naved
- Amity Institute of Pharmacy, Amity University, Noida, India
| | - Saurabh Bhatia
- Natural & Medical Sciences Research Centre, University of Nizwa, Nizwa, Oman
- Amity Institute of Pharmacy, Amity University, Haryana, India
| | - Ahmed Al-Harrasi
- Natural & Medical Sciences Research Centre, University of Nizwa, Nizwa, Oman
| | - Lotfi Aleya
- Chrono-Environment Laboratory, UMR CNRS 6249, Bourgogne Franche-Comté University, Besancon, France
| | - Simona Bungau
- Department of Pharmacy, Faculty of Medicine and Pharmacy, University of Oradea, Oradea, Romania
| | - Tapan Behl
- Chitkara College of Pharmacy, Chitkara University, Punjab, India.
| | - Sukhbir Singh
- Chitkara College of Pharmacy, Chitkara University, Punjab, India.
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13
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Santana HJA, Caseli L. A bactericide peptide changing the static and dilatational surface elasticity properties of zwitterionic lipids at the air-water interface: Relationship with the thermodynamic, structural and morphological properties. Biophys Chem 2021; 277:106638. [PMID: 34111703 DOI: 10.1016/j.bpc.2021.106638] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2021] [Revised: 06/02/2021] [Accepted: 06/02/2021] [Indexed: 12/14/2022]
Abstract
In this paper, we studied how different hydrophilicity degrees of the polar groups of the lipids dipalmitoylphosphatidylcholine (DPPC) and dipalmitoyl phosphatidylethanolamine (DPPE) influence the interaction of the antibiotic peptide vancomycin (VC), affecting the physicochemical properties of the monolayers, including thermodynamic, rheological, structural and morphological ones. Lipid Langmuir monolayers were prepared at air-water interfaces with VC aqueous solution as subphase and characterized with tensiometry, Brewster angle microscopy, infrared spectroscopy, dilatational, and interfacial shear rheology. The presence of PC or PE groups as polar head groups of the phospholipid monolayers modulated the interaction of VC adsorbing from the aqueous subphase since for DPPC, vancomycin condenses the monolayer, making it less stable, fluid, and more disordered. In contrast, for DPPE, vancomycin expands the monolayer, making it more stable, keeping the compressibility, and leading to the formation of interfacial aggregates, which are not observed for DPPC. We concluded thatelectrostatic interactions induced the insertion of the peptide into the polar heads of the monolayers (DPPE), while hydrophobic interactions, in addition to ion-dipole interactions, induced the adsorption of the peptide onto the polar head of the monolayers (DPPC).
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Affiliation(s)
| | - Luciano Caseli
- Department of Chemistry, Federal University of Sao Paulo, Diadema, SP, Brazil.
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14
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Construction and characterization of a novel Tenofovir-loaded PEGylated niosome conjugated with TAT peptide for evaluation of its cytotoxicity and anti-HIV effects. ADV POWDER TECHNOL 2021. [DOI: 10.1016/j.apt.2021.05.047] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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15
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Plota M, Sazakli E, Giormezis N, Gkartziou F, Kolonitsiou F, Leotsinidis M, Antimisiaris SG, Spiliopoulou I. In Vitro Anti-Biofilm Activity of Bacteriophage K (ATCC 19685-B1) and Daptomycin against Staphylococci. Microorganisms 2021; 9:1853. [PMID: 34576751 PMCID: PMC8468654 DOI: 10.3390/microorganisms9091853] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2021] [Revised: 08/24/2021] [Accepted: 08/27/2021] [Indexed: 11/17/2022] Open
Abstract
The purpose of the present study was to investigate anti-staphylococcal activity of daptomycin and bacteriophage K, alone or in combination, against biofilm-producers and non-producers S. aureus and S. epidermidis strains, under biofilm forming and cells' proliferation conditions. Daptomycin and bacteriophage K (ATCC 19685B1), in different concentrations, were tested against 10 Staphylococcus aureus and 10 S. epidermidis, characterized by phenotypes and genotypes. The quantitative microtiter plate (crystal violet, CV), methylthiazoltetrazolium (MTT), and growth curve (GC) assays were performed. No statistically significant difference was found between species, whereas daptomycin alone performed better using medium and high concentrations of the drug and bacteriophage K was more active against strains with higher susceptibility, by CV and MTT assays. Best results were achieved using both agents combined in high concentrations. Bacteriophage K was effective within 3.8 and 2.4 h, depending on the concentration used, by the GC assay. Combination of daptomycin with bacteriophage K was more effective against staphylococci, depending on the concentrations used and strains' susceptibility. Further studies are needed to evaluate if this approach might be a choice for prevention or therapy of biofilm-associated infections.
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Affiliation(s)
- 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;
| | - Eleni Sazakli
- Laboratory of Public Health, School of Medicine, University of Patras, 26504 Patras, Greece; (E.S.); (M.L.)
| | - Nikolaos Giormezis
- National Reference Centre for Staphylococci, School of Medicine, University of Patras, 26504 Patras, Greece;
| | - Foteini Gkartziou
- Institute of Chemical Engineering Sciences, FORTH/ICE-HT, Platani, 26504 Patras, Greece; (F.G.); (S.G.A.)
| | - 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;
| | - Michalis Leotsinidis
- Laboratory of Public Health, School of Medicine, University of Patras, 26504 Patras, Greece; (E.S.); (M.L.)
| | - Sophia G. Antimisiaris
- Institute of Chemical Engineering Sciences, FORTH/ICE-HT, Platani, 26504 Patras, Greece; (F.G.); (S.G.A.)
- Department of Pharmacy, School of Health Sciences, University of Patras, 26504 Patras, Greece
| | - Iris Spiliopoulou
- National Reference Centre for Staphylococci, School of Medicine, University of Patras, 26504 Patras, Greece;
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Mat Rani NNI, Mustafa Hussein Z, Mustapa F, Azhari H, Sekar M, Chen XY, Mohd Amin MCI. Exploring the possible targeting strategies of liposomes against methicillin-resistant Staphylococcus aureus (MRSA). Eur J Pharm Biopharm 2021; 165:84-105. [PMID: 33974973 DOI: 10.1016/j.ejpb.2021.04.021] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2020] [Revised: 03/26/2021] [Accepted: 04/26/2021] [Indexed: 12/12/2022]
Abstract
Multi antibiotic-resistant bacterial infections are on the rise due to the overuse of antibiotics. Methicillin-resistant Staphylococcus aureus (MRSA) is one of the pathogens listed under the category of serious threats where vancomycin remains the mainstay treatment despite the availability of various antibacterial agents. Recently, decreased susceptibility to vancomycin from clinical isolates of MRSA has been reported and has drawn worldwide attention as it is often difficult to overcome and leads to increased medical costs, mortality, and longer hospital stays. Development of antibiotic delivery systems is often necessary to improve bioavailability and biodistribution, in order to reduce antibiotic resistance and increase the lifespan of antibiotics. Liposome entrapment has been used as a method to allow higher drug dosing apart from reducing toxicity associated with drugs. The surface of the liposomes can also be designed and enhanced with drug-release properties, active targeting, and stealth effects to prevent recognition by the mononuclear phagocyte system, thus enhancing its circulation time. The present review aimed to highlight the possible targeting strategies of liposomes against MRSA bacteremia systemically while investigating the magnitude of this effect on the minimum inhibitory concentration level.
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Affiliation(s)
- Nur Najihah Izzati Mat Rani
- Centre for Drug Delivery Technology, Faculty of Pharmacy, Universiti Kebangsaan Malaysia, Jalan Raja Muda Abdul Aziz, 50300 Kuala Lumpur, Malaysia; Faculty of Pharmacy and Health Sciences, Universiti Kuala Lumpur Royal College of Medicine Perak, 30450 Ipoh, Perak, Malaysia
| | - Zahraa Mustafa Hussein
- Centre for Drug Delivery Technology, Faculty of Pharmacy, Universiti Kebangsaan Malaysia, Jalan Raja Muda Abdul Aziz, 50300 Kuala Lumpur, Malaysia
| | - Fahimi Mustapa
- Hospital Batu Gajah Jalan Changkat, 31000 Batu Gajah, Perak, Malaysia
| | - Hanisah Azhari
- Centre for Drug Delivery Technology, Faculty of Pharmacy, Universiti Kebangsaan Malaysia, Jalan Raja Muda Abdul Aziz, 50300 Kuala Lumpur, Malaysia
| | - Mahendran Sekar
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy and Health Sciences, Universiti Kuala Lumpur Royal College of Medicine Perak, 30450 Ipoh, Perak, Malaysia
| | - Xiang Yi Chen
- Centre for Drug Delivery Technology, Faculty of Pharmacy, Universiti Kebangsaan Malaysia, Jalan Raja Muda Abdul Aziz, 50300 Kuala Lumpur, Malaysia
| | - Mohd Cairul Iqbal Mohd Amin
- Centre for Drug Delivery Technology, Faculty of Pharmacy, Universiti Kebangsaan Malaysia, Jalan Raja Muda Abdul Aziz, 50300 Kuala Lumpur, Malaysia.
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Gkartziou F, Giormezis N, Spiliopoulou I, Antimisiaris SG. Nanobiosystems for Antimicrobial Drug-Resistant Infections. NANOMATERIALS 2021; 11:nano11051075. [PMID: 33922004 PMCID: PMC8143556 DOI: 10.3390/nano11051075] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/29/2021] [Revised: 04/16/2021] [Accepted: 04/18/2021] [Indexed: 02/07/2023]
Abstract
The worldwide increased bacterial resistance toward antimicrobial therapeutics has led investigators to search for new therapeutic options. Some of the options currently exploited to treat drug-resistant infections include drug-associated nanosystems. Additionally, the use of bacteriophages alone or in combination with drugs has been recently revisited; some studies utilizing nanosystems for bacteriophage delivery have been already reported. In this review article, we focus on nine pathogens that are the leading antimicrobial drug-resistant organisms, causing difficult-to-treat infections. For each organism, the bacteriophages and nanosystems developed or used in the last 20 years as potential treatments of pathogen-related infections are discussed. Summarizing conclusions and future perspectives related with the potential of such nano-antimicrobials for the treatment of persistent infections are finally highlighted.
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Affiliation(s)
- Foteini Gkartziou
- Institute of Chemical Engineering, FORTH/ICES, Platani, 26504 Patras, Greece;
| | - Nikolaos Giormezis
- National Reference Centre for Staphylococci, School of Medicine, University of Patras, 26504 Patras, Greece;
| | - Iris Spiliopoulou
- National Reference Centre for Staphylococci, School of Medicine, University of Patras, 26504 Patras, Greece;
- Department of Microbiology, School of Medicine, University of Patras, 26504 Patras, Greece
- Correspondence: (I.S.); (S.G.A.)
| | - Sophia G. Antimisiaris
- Institute of Chemical Engineering, FORTH/ICES, Platani, 26504 Patras, Greece;
- Laboratory of Pharmaceutical Technology, Department of Pharmacy, University of Patras, 26504 Patras, Greece
- Correspondence: (I.S.); (S.G.A.)
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18
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Ferreira M, Ogren M, Dias JNR, Silva M, Gil S, Tavares L, Aires-da-Silva F, Gaspar MM, Aguiar SI. Liposomes as Antibiotic Delivery Systems: A Promising Nanotechnological Strategy against Antimicrobial Resistance. Molecules 2021; 26:2047. [PMID: 33918529 PMCID: PMC8038399 DOI: 10.3390/molecules26072047] [Citation(s) in RCA: 77] [Impact Index Per Article: 25.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2021] [Revised: 03/30/2021] [Accepted: 03/31/2021] [Indexed: 12/17/2022] Open
Abstract
Antimicrobial drugs are key tools to prevent and treat bacterial infections. Despite the early success of antibiotics, the current treatment of bacterial infections faces serious challenges due to the emergence and spread of resistant bacteria. Moreover, the decline of research and private investment in new antibiotics further aggravates this antibiotic crisis era. Overcoming the complexity of antimicrobial resistance must go beyond the search of new classes of antibiotics and include the development of alternative solutions. The evolution of nanomedicine has allowed the design of new drug delivery systems with improved therapeutic index for the incorporated compounds. One of the most promising strategies is their association to lipid-based delivery (nano)systems. A drug's encapsulation in liposomes has been demonstrated to increase its accumulation at the infection site, minimizing drug toxicity and protecting the antibiotic from peripheral degradation. In addition, liposomes may be designed to fuse with bacterial cells, holding the potential to overcome antimicrobial resistance and biofilm formation and constituting a promising solution for the treatment of potential fatal multidrug-resistant bacterial infections, such as methicillin resistant Staphylococcus aureus. In this review, we aim to address the applicability of antibiotic encapsulated liposomes as an effective therapeutic strategy for bacterial infections.
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Affiliation(s)
- Magda Ferreira
- Centro de Investigação Interdisciplinar em Sanidade Animal, Faculdade de Medicina Veterinária, Universidade de Lisboa, Avenida da Universidade Técnica, 1300-477 Lisbon, Portugal; (M.F.); (M.O.); (J.N.R.D.); (M.S.); (S.G.); (L.T.); (F.A.-d.-S.)
- Research Institute for Medicines (iMed.ULisboa), Faculty of Pharmacy, Universidade de Lisboa, Av. Prof. Gama Pinto, 1649-003 Lisbon, Portugal
| | - Maria Ogren
- Centro de Investigação Interdisciplinar em Sanidade Animal, Faculdade de Medicina Veterinária, Universidade de Lisboa, Avenida da Universidade Técnica, 1300-477 Lisbon, Portugal; (M.F.); (M.O.); (J.N.R.D.); (M.S.); (S.G.); (L.T.); (F.A.-d.-S.)
| | - Joana N. R. Dias
- Centro de Investigação Interdisciplinar em Sanidade Animal, Faculdade de Medicina Veterinária, Universidade de Lisboa, Avenida da Universidade Técnica, 1300-477 Lisbon, Portugal; (M.F.); (M.O.); (J.N.R.D.); (M.S.); (S.G.); (L.T.); (F.A.-d.-S.)
| | - Marta Silva
- Centro de Investigação Interdisciplinar em Sanidade Animal, Faculdade de Medicina Veterinária, Universidade de Lisboa, Avenida da Universidade Técnica, 1300-477 Lisbon, Portugal; (M.F.); (M.O.); (J.N.R.D.); (M.S.); (S.G.); (L.T.); (F.A.-d.-S.)
| | - Solange Gil
- Centro de Investigação Interdisciplinar em Sanidade Animal, Faculdade de Medicina Veterinária, Universidade de Lisboa, Avenida da Universidade Técnica, 1300-477 Lisbon, Portugal; (M.F.); (M.O.); (J.N.R.D.); (M.S.); (S.G.); (L.T.); (F.A.-d.-S.)
| | - Luís Tavares
- Centro de Investigação Interdisciplinar em Sanidade Animal, Faculdade de Medicina Veterinária, Universidade de Lisboa, Avenida da Universidade Técnica, 1300-477 Lisbon, Portugal; (M.F.); (M.O.); (J.N.R.D.); (M.S.); (S.G.); (L.T.); (F.A.-d.-S.)
| | - Frederico Aires-da-Silva
- Centro de Investigação Interdisciplinar em Sanidade Animal, Faculdade de Medicina Veterinária, Universidade de Lisboa, Avenida da Universidade Técnica, 1300-477 Lisbon, Portugal; (M.F.); (M.O.); (J.N.R.D.); (M.S.); (S.G.); (L.T.); (F.A.-d.-S.)
| | - Maria Manuela Gaspar
- Research Institute for Medicines (iMed.ULisboa), Faculty of Pharmacy, Universidade de Lisboa, Av. Prof. Gama Pinto, 1649-003 Lisbon, Portugal
| | - Sandra Isabel Aguiar
- Centro de Investigação Interdisciplinar em Sanidade Animal, Faculdade de Medicina Veterinária, Universidade de Lisboa, Avenida da Universidade Técnica, 1300-477 Lisbon, Portugal; (M.F.); (M.O.); (J.N.R.D.); (M.S.); (S.G.); (L.T.); (F.A.-d.-S.)
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Sun Y, Davis E. Nanoplatforms for Targeted Stimuli-Responsive Drug Delivery: A Review of Platform Materials and Stimuli-Responsive Release and Targeting Mechanisms. NANOMATERIALS (BASEL, SWITZERLAND) 2021; 11:746. [PMID: 33809633 PMCID: PMC8000772 DOI: 10.3390/nano11030746] [Citation(s) in RCA: 35] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/08/2021] [Revised: 03/05/2021] [Accepted: 03/08/2021] [Indexed: 12/12/2022]
Abstract
To achieve the promise of stimuli-responsive drug delivery systems for the treatment of cancer, they should (1) avoid premature clearance; (2) accumulate in tumors and undergo endocytosis by cancer cells; and (3) exhibit appropriate stimuli-responsive release of the payload. It is challenging to address all of these requirements simultaneously. However, the numerous proof-of-concept studies addressing one or more of these requirements reported every year have dramatically expanded the toolbox available for the design of drug delivery systems. This review highlights recent advances in the targeting and stimuli-responsiveness of drug delivery systems. It begins with a discussion of nanocarrier types and an overview of the factors influencing nanocarrier biodistribution. On-demand release strategies and their application to each type of nanocarrier are reviewed, including both endogenous and exogenous stimuli. Recent developments in stimuli-responsive targeting strategies are also discussed. The remaining challenges and prospective solutions in the field are discussed throughout the review, which is intended to assist researchers in overcoming interdisciplinary knowledge barriers and increase the speed of development. This review presents a nanocarrier-based drug delivery systems toolbox that enables the application of techniques across platforms and inspires researchers with interdisciplinary information to boost the development of multifunctional therapeutic nanoplatforms for cancer therapy.
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Affiliation(s)
| | - Edward Davis
- Materials Engineering Program, Mechanical Engineering Department, Auburn University, 101 Wilmore Drive, Auburn, AL 36830, USA;
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20
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Wu B, Li M, Li K, Hong W, Lv Q, Li Y, Xie S, Han J, Tian B. Cell penetrating peptide TAT-functionalized liposomes for efficient ophthalmic delivery of flurbiprofen: Penetration and its underlying mechanism, retention, anti-inflammation and biocompatibility. Int J Pharm 2021; 598:120405. [PMID: 33647409 DOI: 10.1016/j.ijpharm.2021.120405] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2020] [Revised: 02/02/2021] [Accepted: 02/13/2021] [Indexed: 11/15/2022]
Abstract
In treating eye diseases, topical administration on the ocular surface is the most convenient and acceptable route. However, the intraocular efficiency of non-invasive drug delivery systems is still considerably hampered by the eye's defense barriers. In this work, cell-penetrating peptide TAT-functionalized, flurbiprofen-loaded liposomes (TAT-FB-Lip) were designed to enable transcorneal drug delivery and prolong ocular surface retention. The corneal penetration-promoting properties of TAT-functionalized liposomes (TAT-Lip) were confirmed in vitro using a corneal permeability assay and the HCE-T cell sphere model and in vivo by aqueous humor pharmacokinetics assessment. TAT-Lip induced an increase in intracellular calcium ion concentration and membrane potential depolarization. F-actin images of HCE-T cells treated with TAT-Lip show the tight junctions between cells partly opened. The cellular internalization pathway mainly depended on the electrostatic interaction between TAT-Lip and the cell membrane, and there is a certain degree of energy dependence. The pharmacokinetics of flurbiprofen in tears demonstrated TAT-Lip could reduce the drug loss rate. Moreover, the anti-inflammatory effect of TAT-FB-Lip was enhanced by markedly suppressing PGE2, IL-6, and TNF-α production in tears and aqueous humor in a rabbit conjunctivitis model. In conclusion, this work demonstrates that TAT-Lip is an effective ocular drug carrier system that facilitates transcorneal delivery.
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Affiliation(s)
- Baohuan Wu
- School of Pharmacy, Binzhou Medical University, 346 Guanhai Road, Yantai 264003, PR China
| | - Mengshun Li
- School of Pharmacy, Binzhou Medical University, 346 Guanhai Road, Yantai 264003, PR China
| | - Keke Li
- School of Pharmacy, Binzhou Medical University, 346 Guanhai Road, Yantai 264003, PR China
| | - Wei Hong
- School of Pharmacy, Binzhou Medical University, 346 Guanhai Road, Yantai 264003, PR China
| | - Qingzhi Lv
- School of Pharmacy, Binzhou Medical University, 346 Guanhai Road, Yantai 264003, PR China
| | - Youjie Li
- Department of Biochemistry and Molecular Biology, Binzhou Medical University, Yantai, Shandong, PR China
| | - Shuyang Xie
- Department of Biochemistry and Molecular Biology, Binzhou Medical University, Yantai, Shandong, PR China
| | - Jingtian Han
- School of Pharmacy, Binzhou Medical University, 346 Guanhai Road, Yantai 264003, PR China.
| | - Baocheng Tian
- School of Pharmacy, Binzhou Medical University, 346 Guanhai Road, Yantai 264003, PR China.
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21
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Liu J, Yin Y, Yang L, Lu B, Yang Z, Wang W, Li R. Nucleus-Targeted Photosensitizer Nanoparticles for Photothermal and Photodynamic Therapy of Breast Carcinoma. Int J Nanomedicine 2021; 16:1473-1485. [PMID: 33654397 PMCID: PMC7910086 DOI: 10.2147/ijn.s284518] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2020] [Accepted: 12/24/2020] [Indexed: 12/20/2022] Open
Abstract
PURPOSE The near-infrared fluorescent dye indocyanine green (ICG) has shown great potential in the photodynamic therapy (PDT) and photothermal therapy (PTT) of cancer. However, its disadvantages of instability in aqueous solution, short half-life, and non-targeting accumulation limit the effectiveness of ICG PDT/PTT. To overcome the disadvantages of ICG in tumor treatment, we designed PEGylated-human serum albumin (PHSA)-ICG-TAT. In this nanoparticle, PEG4000, the HSA package, and nuclear targeting peptide TAT (human immunodeficiency virus 1 [HIV-1]-transactivator protein) were used to improve the water solubility of ICG, prolong the life span of ICG in vivo, and target the nuclei of tumor cells, respectively. METHODS The PHSA-ICG-TAT was characterized in terms of morphology and size, ultraviolet spectrum, dispersion stability, singlet oxygen and cellular uptake, and colocalization using transmission electron microscopy and dynamic light scattering, and fluorescence assay, respectively. Subsequently, the anti-tumor effect of PHSA-ICG-TAT was investigated via in vitro and in vivo experiments, including cell viability, apoptosis, comet assays, histopathology, and inhibition curves. RESULTS The designed ICG-loaded nanoparticle had a higher cell uptake rate and stronger PDT/PTT effect than free ICG. The metabolism of PHSA-ICG-TAT in normal mice revealed that there was no perceptible toxicity. In vivo imaging of mice showed that PHSA-ICG-TAT had a good targeting effect on tumors. PHSA-ICG-TAT was used for the phototherapy of tumors, and significantly suppressed the tumor growth. The tumor tissue sections showed that the cell gap and morphology of the tumor tissue had been obviously altered after treatment with PHSA-ICG-TAT. CONCLUSION These results indicate that the PHSA-ICG-TAT had a significant therapeutic effect against tumors.
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Affiliation(s)
- Jing Liu
- Institute of Combined Injury, State Key Laboratory of Trauma, Burns and Combined Injury, Military Key Laboratory of Nanomedicine, Department of Military Preventive Medicine, Army Medical University, Chongqing, 400038, People’s Republic of China
| | - Yaru Yin
- Institute of Combined Injury, State Key Laboratory of Trauma, Burns and Combined Injury, Military Key Laboratory of Nanomedicine, Department of Military Preventive Medicine, Army Medical University, Chongqing, 400038, People’s Republic of China
| | - Luxun Yang
- Institute of Combined Injury, State Key Laboratory of Trauma, Burns and Combined Injury, Military Key Laboratory of Nanomedicine, Department of Military Preventive Medicine, Army Medical University, Chongqing, 400038, People’s Republic of China
| | - Binghui Lu
- Institute of Combined Injury, State Key Laboratory of Trauma, Burns and Combined Injury, Military Key Laboratory of Nanomedicine, Department of Military Preventive Medicine, Army Medical University, Chongqing, 400038, People’s Republic of China
| | - Zhangyou Yang
- Department of Pharmacy, Chongqing Medical University, Chongqing, 400010, People’s Republic of China
| | - Weidong Wang
- Department of Radiation Oncology, Sichuan Cancer Hospital, Chengdu, 610041, People’s Republic of China
| | - Rong Li
- Institute of Combined Injury, State Key Laboratory of Trauma, Burns and Combined Injury, Military Key Laboratory of Nanomedicine, Department of Military Preventive Medicine, Army Medical University, Chongqing, 400038, People’s Republic of China
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Barani M, Mukhtar M, Rahdar A, Sargazi G, Thysiadou A, Kyzas GZ. Progress in the Application of Nanoparticles and Graphene as Drug Carriers and on the Diagnosis of Brain Infections. Molecules 2021; 26:molecules26010186. [PMID: 33401658 PMCID: PMC7795866 DOI: 10.3390/molecules26010186] [Citation(s) in RCA: 43] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2020] [Revised: 12/24/2020] [Accepted: 12/29/2020] [Indexed: 12/12/2022] Open
Abstract
The blood–brain barrier (BBB) is the protective sheath around the brain that protects the sensitive microenvironments of the brain. However, certain pathogens, viruses, and bacteria disrupt the endothelial barrier and cause infection and hence inflammation in meninges. Macromolecular therapeutics are unable to cross the tight junctions, thereby limiting their bioavailability in the brain. Recently, nanotechnology has brought a revolution in the field of drug delivery in brain infections. The nanostructures have high targeting accuracy and specificity to the receptors in the case of active targeting, which have made them the ideal cargoes to permeate across the BBB. In addition, nanomaterials with biomimetic functions have been introduced to efficiently cross the BBB to be engulfed by the pathogens. This review focuses on the nanotechnology-based drug delivery approaches for exploration in brain infections, including meningitis. Viruses, bacteria, fungi, or, rarely, protozoa or parasites may be the cause of brain infections. Moreover, inflammation of the meninges, called meningitis, is presently diagnosed using laboratory and imaging tests. Despite attempts to improve diagnostic instruments for brain infections and meningitis, due to its complicated and multidimensional nature and lack of successful diagnosis, meningitis appears almost untreatable. Potential for overcoming the difficulties and limitations related to conventional diagnostics has been shown by nanoparticles (NPs). Nanomedicine now offers new methods and perspectives to improve our knowledge of meningitis and can potentially give meningitis patients new hope. Here, we review traditional diagnosis tools and key nanoparticles (Au-NPs, graphene, carbon nanotubes (CNTs), QDs, etc.) for early diagnosis of brain infections and meningitis.
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Affiliation(s)
- Mahmood Barani
- Department of Chemistry, Shahid Bahonar University of Kerman, Kerman 76169-14111, Iran;
| | - Mahwash Mukhtar
- Faculty of Pharmacy, Institute of Pharmaceutical Technology and Regulatory Affairs, University of Szeged, 6720 Szeged, Hungary;
| | - Abbas Rahdar
- Department of Physics, Faculty of Science, University of Zabol, Zabol 538-98615, Iran
- Correspondence: (A.R.); (G.Z.K.); Tel.: +30-2510-462218 (G.Z.K.)
| | - Ghasem Sargazi
- Noncommunicable Diseases Research Center, Bam University of Medical Science, Bam 5166-15731, Iran;
| | - Anna Thysiadou
- Department of Chemistry, International Hellenic University, 65404 Kavala, Greece;
| | - George Z. Kyzas
- Department of Chemistry, International Hellenic University, 65404 Kavala, Greece;
- Correspondence: (A.R.); (G.Z.K.); Tel.: +30-2510-462218 (G.Z.K.)
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Tamil Selvan S, Padmanabhan P, Zoltán Gulyás B. Nanotechnology-Based Diagnostics and Therapy for Pathogen-Related Infections in the CNS. ACS Chem Neurosci 2020; 11:2371-2377. [PMID: 31726008 DOI: 10.1021/acschemneuro.9b00470] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Abstract
The central nervous system (CNS) encompasses the brain, spinal cord, and nerves, where both brain and spinal cord are safeguarded by the meninges. However, serious bacterial, viral, or fungal infection in the brain causes life-threatening diseases such as meningitis. Engineered nanostructures hold great promise for not only in the diagnosis but also for combating microbial drug resistance owing to their high surface area and innate antibacterial activity. We delineate several nanoparticle-based approaches to enhance the CNS delivery of drugs across the blood-brain barrier (BBB). While pathogens invade the CNS by phagocytosis or receptor (e.g., EphA2)-mediated transcytosis, most of the nanoparticles cross the BBB via receptor-mediated transcytosis (e.g., antibody, peptide, protein). We also provide our perspectives on the diagnostic pathways based on nanotechnology for the detection of pathogens in the brain, thereby opening up new therapeutic avenues.
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Affiliation(s)
- Subramanian Tamil Selvan
- Translational Neuroscience Laboratory, Lee Kong Chian School of Medicine, Nanyang Technological University, 59 Nanyang Drive, Singapore 636921
| | - Parasuraman Padmanabhan
- Translational Neuroscience Laboratory, Lee Kong Chian School of Medicine, Nanyang Technological University, 59 Nanyang Drive, Singapore 636921
| | - Balázs Zoltán Gulyás
- Translational Neuroscience Laboratory, Lee Kong Chian School of Medicine, Nanyang Technological University, 59 Nanyang Drive, Singapore 636921
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Scriboni AB, Couto VM, Ribeiro LNDM, Freires IA, Groppo FC, de Paula E, Franz-Montan M, Cogo-Müller K. Fusogenic Liposomes Increase the Antimicrobial Activity of Vancomycin Against Staphylococcus aureus Biofilm. Front Pharmacol 2019; 10:1401. [PMID: 31849660 PMCID: PMC6895244 DOI: 10.3389/fphar.2019.01401] [Citation(s) in RCA: 44] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2019] [Accepted: 11/01/2019] [Indexed: 11/23/2022] Open
Abstract
Objective: The aim of the present study was to encapsulate vancomycin in different liposomal formulations and compare the in vitro antimicrobial activity against Staphylococcus aureus biofilms. Methods: Large unilamellar vesicles of conventional (LUV VAN), fusogenic (LUVfuso VAN), and cationic (LUVcat VAN) liposomes encapsulating VAN were characterized in terms of size, polydispersity index, zeta potential, morphology, encapsulation efficiency (%EE) and in vitro release kinetics. The formulations were tested for their Minimum Inhibitory Concentration (MIC) and inhibitory activity on biofilm formation and viability, using methicillin-susceptible S. aureus ATCC 29213 and methicillin-resistant S. aureus ATCC 43300 strains. Key Findings: LUV VAN showed better %EE (32.5%) and sustained release than LUVfuso VAN, LUVcat VAN, and free VAN. The formulations were stable over 180 days at 4°C, except for LUV VAN, which was stable up to 120 days. The MIC values for liposomal formulations and free VAN ranged from 0.78 to 1.56 µg/ml against both tested strains, with no difference in the inhibition of biofilm formation as compared to free VAN. However, when treating mature biofilm, encapsulated LUVfuso VAN increased the antimicrobial efficacy as compared to the other liposomal formulations and to free VAN, demonstrating a better ability to penetrate the biofilm. Conclusion: Vancomycin encapsulated in fusogenic liposomes demonstrated enhanced antimicrobial activity against mature S. aureus biofilms.
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Affiliation(s)
- Andreia Borges Scriboni
- Department of Physiological Sciences, Piracicaba Dental School, University of Campinas, Piracicaba, Brazil
| | - Verônica Muniz Couto
- Department of Biochemistry and Tissue Biology, Biology Institute, University of Campinas, Campinas, Brazil
| | | | - Irlan Almeida Freires
- Department of Oral Biology, University of Florida College of Dentistry, Gainesville, FL, United States
| | - Francisco Carlos Groppo
- Department of Physiological Sciences, Piracicaba Dental School, University of Campinas, Piracicaba, Brazil
| | - Eneida de Paula
- Department of Biochemistry and Tissue Biology, Biology Institute, University of Campinas, Campinas, Brazil
| | - Michelle Franz-Montan
- Department of Physiological Sciences, Piracicaba Dental School, University of Campinas, Piracicaba, Brazil
| | - Karina Cogo-Müller
- Department of Physiological Sciences, Piracicaba Dental School, University of Campinas, Piracicaba, Brazil.,Faculty of Pharmaceutical Sciences, University of Campinas, Campinas, Brazil
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25
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Omolo CA, Megrab NA, Kalhapure RS, Agrawal N, Jadhav M, Mocktar C, Rambharose S, Maduray K, Nkambule B, Govender T. Liposomes with pH responsive 'on and off' switches for targeted and intracellular delivery of antibiotics. J Liposome Res 2019; 31:45-63. [PMID: 31663407 DOI: 10.1080/08982104.2019.1686517] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
pH responsive drug delivery systems are one of the new strategies to address the spread of bacterial resistance to currently used antibiotics. The aim of this study was to formulate liposomes with 'On' and 'Off'' pH responsive switches for infection site targeting. The vancomycin (VCM) loaded liposomes had sizes below 100 nm, at pH 7.4. The QL-liposomes had a negative zeta potential at pH 7.4 that switched to a positive charge at acidic pH. VCM release from the liposome was quicker at pH 6 than pH 7.4. The OA-QL-liposome showed 4-fold lower MIC at pH 7.4 and 8- and 16-fold lower at pH 6.0 against both MSSA and MRSA compared to the bare drug. OA-QL liposome had a 1266.67- and 704.33-fold reduction in the intracellular infection for TPH-1 macrophage and HEK293 cells respectively. In vivo studies showed that the amount of MRSA recovered from mice treated with formulations was 189.67 and 6.33-fold lower than the untreated and bare VCM treated mice respectively. MD simulation of the QL lipid with the phosphatidylcholine membrane (POPC) showed spontaneous binding of the lipid to the bilayer membrane both electrostatic and Van der Waals interactions contributed to the binding. These studies demonstrated that the 'On' and 'Off' pH responsive liposomes enhanced the activity targeted and intracellular delivery VCM.
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Affiliation(s)
- Calvin A Omolo
- Discipline of Pharmaceutical Sciences, College of Health Sciences, University of KwaZulu-Natal, Durban, South Africa.,School of Pharmacy and Health Sciences, United States International University of Africa, Nairobi, Kenya
| | - Nagia A Megrab
- Department of Pharmaceutics and Industrial Pharmacy, Zagazig University, Zagazig, Egypt
| | - Rahul S Kalhapure
- Discipline of Pharmaceutical Sciences, College of Health Sciences, University of KwaZulu-Natal, Durban, South Africa
| | - Nikhil Agrawal
- Discipline of Pharmaceutical Sciences, College of Health Sciences, University of KwaZulu-Natal, Durban, South Africa
| | - Mahantesh Jadhav
- Discipline of Pharmaceutical Sciences, College of Health Sciences, University of KwaZulu-Natal, Durban, South Africa
| | - Chunderika Mocktar
- Discipline of Pharmaceutical Sciences, College of Health Sciences, University of KwaZulu-Natal, Durban, South Africa
| | - Sanjeev Rambharose
- Discipline of Pharmaceutical Sciences, College of Health Sciences, University of KwaZulu-Natal, Durban, South Africa.,Division of Emergency Medicine, Department of Surgery, University of Cape Town, Cape Town, South Africa
| | - Kaminee Maduray
- Department of Physiology, School of Laboratory Medicine and Medical Sciences, College of Health Sciences, University of KwaZulu-Natal, Durban, South Africa
| | - Bongani Nkambule
- Department of Physiology, School of Laboratory Medicine and Medical Sciences, College of Health Sciences, University of KwaZulu-Natal, Durban, South Africa
| | - Thirumala Govender
- Discipline of Pharmaceutical Sciences, College of Health Sciences, University of KwaZulu-Natal, Durban, South Africa
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26
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Shi D, Mi G, Shen Y, Webster TJ. Glioma-targeted dual functionalized thermosensitive Ferri-liposomes for drug delivery through an in vitro blood-brain barrier. NANOSCALE 2019; 11:15057-15071. [PMID: 31369016 DOI: 10.1039/c9nr03931g] [Citation(s) in RCA: 59] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/27/2023]
Abstract
To date, the delivery of therapeutic agents for malignant brain tumors (such as glioblastoma multiforme (GBM)) remains a significant obstacle due to the existence of the blood-brain barrier (BBB). A multitude of delivery systems (hydrogels, micelles, polymeric nanoparticles, etc.) have been proposed, yet many of them exhibit limited tumor-specific inhibition effects. Herein, a drug-encapsulated dual-functionalized thermosensitive liposomal system (DOX@P1NS/TNC-FeLP) was developed for targeted delivery across the BBB. Specifically, a GBM-specific cell-penetrating peptide (P1NS) and an anti-GBM antibody (TN-C) were conjugated onto the liposome surface for targeted delivery. In addition, superparamagnetic iron oxide nanoparticles (SPIONs) and doxorubicin (DOX) were co-loaded inside the liposomes to achieve thermo-triggered drug release when applying an alternating magnetic field (AMF). Results demonstrated that P1NS/TNC-FeLPs readily transported across an in vitro BBB model and displayed a thermo-responsive and GBM-specific cellular uptake as well as drug release profile. Additionally, results from immunofluorescent (IF) staining and RT-qPCR further demonstrated that DOX@P1NS/TNC-FeLPs specifically entered U-87 human GBM cells and suppressed tumor cell proliferation without causing any significant impact on healthy brain cell function. As such, the novel DOX@P1NS/TNC-FeLPs presented potent and precise anti-GBM capability and, therefore, are suggested here for the first time as a promising DDS to deliver therapeutic agents across the BBB for GBM treatment.
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Affiliation(s)
- Di Shi
- Chemical Engineering Department, Northeastern University, Boston, MA 02115, USA.
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27
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Kolašinac R, Jaksch S, Dreissen G, Braeutigam A, Merkel R, Csiszár A. Influence of Environmental Conditions on the Fusion of Cationic Liposomes with Living Mammalian Cells. NANOMATERIALS 2019; 9:nano9071025. [PMID: 31319557 PMCID: PMC6669649 DOI: 10.3390/nano9071025] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/06/2019] [Revised: 07/12/2019] [Accepted: 07/12/2019] [Indexed: 12/12/2022]
Abstract
Lipid-based nanoparticles, also called vesicles or liposomes, can be used as carriers for drugs or many types of biological macromolecules, including DNA and proteins. Efficiency and speed of cargo delivery are especially high for carrier vesicles that fuse with the cellular plasma membrane. This occurs for lipid mixture containing equal amounts of the cationic lipid DOTAP and a neutral lipid with an additional few percents of an aromatic substance. The fusion ability of such particles depends on lipid composition with phosphoethanolamine (PE) lipids favoring fusion and phosphatidyl-choline (PC) lipids endocytosis. Here, we examined the effects of temperature, ionic strength, osmolality, and pH on fusion efficiency of cationic liposomes with Chinese hamster ovary (CHO) cells. The phase state of liposomes was analyzed by small angle neutron scattering (SANS). Our results showed that PC containing lipid membranes were organized in the lamellar phase. Here, fusion efficiency depended on buffer conditions and remained vanishingly small at physiological conditions. In contrast, SANS indicated the coexistence of very small (~50 nm) objects with larger, most likely lamellar structures for PE containing lipid particles. The fusion of such particles to cell membranes occurred with very high efficiency at all buffer conditions. We hypothesize that the altered phase state resulted in a highly reduced energetic barrier against fusion.
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Affiliation(s)
- Rejhana Kolašinac
- Forschungszentrum Jülich GmbH, Institute of Complex Systems: ICS-7 Biomechanics, 52428 Jülich, Germany
| | - Sebastian Jaksch
- Forschungszentrum Jülich GmbH, Jülich Centre for Neutron Science (JCNS) at Heinz Maier-Leibnitz Zentrum (MLZ), 85748 Garching, Germany
| | - Georg Dreissen
- Forschungszentrum Jülich GmbH, Institute of Complex Systems: ICS-7 Biomechanics, 52428 Jülich, Germany
| | - Andrea Braeutigam
- Forschungszentrum Jülich GmbH, Institute of Complex Systems: ICS-2 Theoretical Soft Matter and Biophysics, 52428 Jülich, Germany
| | - Rudolf Merkel
- Forschungszentrum Jülich GmbH, Institute of Complex Systems: ICS-7 Biomechanics, 52428 Jülich, Germany
| | - Agnes Csiszár
- Forschungszentrum Jülich GmbH, Institute of Complex Systems: ICS-7 Biomechanics, 52428 Jülich, Germany.
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28
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Dias FR, Novais JS, Devillart TADNS, da Silva WA, Ferreira MO, Loureiro RDS, Campos VR, Ferreira VF, de Souza MC, Castro HC, Cunha AC. Synthesis and antimicrobial evaluation of amino sugar-based naphthoquinones and isoquinoline-5,8-diones and their halogenated compounds. Eur J Med Chem 2018; 156:1-12. [DOI: 10.1016/j.ejmech.2018.06.050] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2018] [Revised: 06/19/2018] [Accepted: 06/21/2018] [Indexed: 11/25/2022]
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29
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Mi G, Shi D, Wang M, Webster TJ. Reducing Bacterial Infections and Biofilm Formation Using Nanoparticles and Nanostructured Antibacterial Surfaces. Adv Healthc Mater 2018; 7:e1800103. [PMID: 29790304 DOI: 10.1002/adhm.201800103] [Citation(s) in RCA: 110] [Impact Index Per Article: 18.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2018] [Revised: 03/29/2018] [Indexed: 02/02/2023]
Abstract
With the rapid spreading of resistance among common bacterial pathogens, bacterial infections, especially antibiotic-resistant bacterial infections, have drawn much attention worldwide. In light of this, nanoparticles, including metal and metal oxide nanoparticles, liposomes, polymersomes, and solid lipid nanoparticles, have been increasingly exploited as both efficient antimicrobials themselves or as delivery platforms to enhance the effectiveness of existing antibiotics. In addition to the emergence of widespread antibiotic resistance, of equal concern are implantable device-associated infections, which result from bacterial adhesion and subsequent biofilm formation at the site of implantation. The ineffectiveness of conventional antibiotics against these biofilms often leads to revision surgery, which is both debilitating to the patient and expensive. Toward this end, micro- and nanotopographies, especially those that resemble natural surfaces, and nonfouling chemistries represent a promising combination for long-term antibacterial activity. Collectively, the use of nanoparticles and nanostructured surfaces to combat bacterial growth and infections is a promising solution to the growing problem of antibiotic resistance and biofilm-related device infections.
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Affiliation(s)
- Gujie Mi
- Department of Chemical Engineering; 313 Snell Engineering Center; Northeastern University; 360 Huntington Avenue Boston MA 02115 USA
| | - Di Shi
- Department of Chemical Engineering; 313 Snell Engineering Center; Northeastern University; 360 Huntington Avenue Boston MA 02115 USA
| | - Mian Wang
- Department of Chemical Engineering; 313 Snell Engineering Center; Northeastern University; 360 Huntington Avenue Boston MA 02115 USA
| | - Thomas J. Webster
- Department of Chemical Engineering; 313 Snell Engineering Center; Northeastern University; 360 Huntington Avenue Boston MA 02115 USA
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