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Diedericks B, Kok AM, Mandiwana V, Lall N. A Review of the Potential of Poly-(lactide-co-glycolide) Nanoparticles as a Delivery System for an Active Antimycobacterial Compound, 7-Methyljuglone. Pharmaceutics 2024; 16:216. [PMID: 38399270 PMCID: PMC10893214 DOI: 10.3390/pharmaceutics16020216] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2023] [Revised: 01/15/2024] [Accepted: 01/30/2024] [Indexed: 02/25/2024] Open
Abstract
7-Methyljuglone (7-MJ) is a pure compound isolated from the roots of Euclea natalensis A. DC., a shrub indigenous to South Africa. It exhibits significant promise as a potential treatment for the highly communicable disease tuberculosis (TB), owing to its effective antimycobacterial activity against Mycobacterium tuberculosis. Despite its potential therapeutic benefits, 7-MJ has demonstrated in vitro cytotoxicity against various cancerous and non-cancerous cell lines, raising concerns about its safety for consumption by TB patients. Therefore, this review focuses on exploring the potential of poly-(lactide-co-glycolic) acid (PLGA) nanoparticles as a delivery system, which has been shown to decrease in vitro cytotoxicity, and 7-MJ as an effective antimycobacterial compound.
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Affiliation(s)
- Bianca Diedericks
- Department of Plant and Soil Sciences, University of Pretoria, Pretoria 0002, South Africa; (B.D.); (A.-M.K.)
| | - Anna-Mari Kok
- Department of Plant and Soil Sciences, University of Pretoria, Pretoria 0002, South Africa; (B.D.); (A.-M.K.)
- Research Fellow, South African International Maritime Institute (SAIMI), Nelson Mandela University, Gqeberha 6019, South Africa
| | - Vusani Mandiwana
- Chemicals Cluster, Centre for Nanostructures and Advanced Materials, Council for Scientific and Industrial Research, Pretoria 0001, South Africa;
| | - Namrita Lall
- Department of Plant and Soil Sciences, University of Pretoria, Pretoria 0002, South Africa; (B.D.); (A.-M.K.)
- School of Natural Resources, University of Missouri, Columbia, MO 65211, USA
- College of Pharmacy, JSS Academy of Higher Education and Research, Mysuru 643001, India
- Senior Research Fellow, Bio-Tech R&D Institute, University of the West Indies, Kingston IAU-016615, Jamaica
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Kumar M, Virmani T, Kumar G, Deshmukh R, Sharma A, Duarte S, Brandão P, Fonte P. Nanocarriers in Tuberculosis Treatment: Challenges and Delivery Strategies. Pharmaceuticals (Basel) 2023; 16:1360. [PMID: 37895831 PMCID: PMC10609727 DOI: 10.3390/ph16101360] [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: 09/01/2023] [Revised: 09/18/2023] [Accepted: 09/20/2023] [Indexed: 10/29/2023] Open
Abstract
The World Health Organization identifies tuberculosis (TB), caused by Mycobacterium tuberculosis, as a leading infectious killer. Although conventional treatments for TB exist, they come with challenges such as a heavy pill regimen, prolonged treatment duration, and a strict schedule, leading to multidrug-resistant (MDR) and extensively drug-resistant (XDR) strains. The rise of MDR strains endangers future TB control. Despite these concerns, the hunt for an efficient treatment continues. One breakthrough has been the use of nanotechnology in medicines, presenting a novel approach for TB treatment. Nanocarriers, such as lipid nanoparticles, nanosuspensions, liposomes, and polymeric micelles, facilitate targeted delivery of anti-TB drugs. The benefits of nanocarriers include reduced drug doses, fewer side effects, improved drug solubility, better bioavailability, and improved patient compliance, speeding up recovery. Additionally, nanocarriers can be made even more targeted by linking them with ligands such as mannose or hyaluronic acid. This review explores these innovative TB treatments, including studies on nanocarriers containing anti-TB drugs and related patents.
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Affiliation(s)
- Mahesh Kumar
- School of Pharmaceutical Sciences, Modern Vidya Niketan University, Palwal 121105, India; (M.K.); (G.K.); (A.S.)
| | - Tarun Virmani
- School of Pharmaceutical Sciences, Modern Vidya Niketan University, Palwal 121105, India; (M.K.); (G.K.); (A.S.)
| | - Girish Kumar
- School of Pharmaceutical Sciences, Modern Vidya Niketan University, Palwal 121105, India; (M.K.); (G.K.); (A.S.)
| | - Rohitas Deshmukh
- Institute of Pharmaceutical Research, GLA University, Mathura 281406, India;
| | - Ashwani Sharma
- School of Pharmaceutical Sciences, Modern Vidya Niketan University, Palwal 121105, India; (M.K.); (G.K.); (A.S.)
| | - Sofia Duarte
- iBB—Institute for Bioengineering and Biosciences, Department of Bioengineering, Instituto Superior Técnico, University of Lisboa, 1049-001 Lisbon, Portugal; (S.D.); (P.B.)
- Associate Laboratory i4HB—Institute for Health and Bio-Economy, Instituto Superior Técnico, University of Lisboa, Av. Rovisco Pais, 1049-001 Lisbon, Portugal
| | - Pedro Brandão
- iBB—Institute for Bioengineering and Biosciences, Department of Bioengineering, Instituto Superior Técnico, University of Lisboa, 1049-001 Lisbon, Portugal; (S.D.); (P.B.)
- Associate Laboratory i4HB—Institute for Health and Bio-Economy, Instituto Superior Técnico, University of Lisboa, Av. Rovisco Pais, 1049-001 Lisbon, Portugal
- Egas Moniz Center for Interdisciplinary Research (CiiEM), Egas Moniz School of Health & Science, 2829-511 Almada, Portugal
- CQC-IMS, Department of Chemistry, University of Coimbra, Rua Larga, 3004-535 Coimbra, Portugal
| | - Pedro Fonte
- iBB—Institute for Bioengineering and Biosciences, Department of Bioengineering, Instituto Superior Técnico, University of Lisboa, 1049-001 Lisbon, Portugal; (S.D.); (P.B.)
- Associate Laboratory i4HB—Institute for Health and Bio-Economy, Instituto Superior Técnico, University of Lisboa, Av. Rovisco Pais, 1049-001 Lisbon, Portugal
- Center for Marine Sciences (CCMar), University of Algarve, Gambelas Campus, 8005-139 Faro, Portugal
- Department of Chemistry and Pharmacy, Faculty of Sciences and Technology, University of Algarve, Gambelas Campus, 8005-139 Faro, Portugal
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Gupta PK, Jahagirdar P, Tripathi D, Devarajan PV, Kulkarni S. Macrophage targeted polymeric curcumin nanoparticles limit intracellular survival of Mycobacterium tuberculosis through induction of autophagy and augment anti-TB activity of isoniazid in RAW 264.7 macrophages. Front Immunol 2023; 14:1233630. [PMID: 37583694 PMCID: PMC10424441 DOI: 10.3389/fimmu.2023.1233630] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2023] [Accepted: 07/12/2023] [Indexed: 08/17/2023] Open
Abstract
Rapid emergence of antibiotic resistance in tuberculosis has left us with limited resources to treat and manage multi drug resistant (MDR) cases of tuberculosis, prompting the development of novel therapeutics. Mycobacterium tuberculosis (MTB) perturbs the host protective pathways for its survival, therefore host directed therapeutic (HDT) interventions offer an attractive alternative strategy. Curcumin (CMN), the principle curcuminoid from Curcuma longa is known to have anti-TB activity against MDR strains of MTB in macrophages. We discovered that treatment of CMN induced autophagy in uninfected and MTB infected macrophages which was evident by conversion of LC3-I to LC3-II and degradation of p62. Inhibition of autophagy by a pharmacological inhibitor 3-MA resulted in significant inhibition of intracellular killing activity of CMN, suggesting the involvement of autophagy in intracellular clearance of MTB. Moreover, annexin v-FITC/PI staining data suggested induction of apoptosis in uninfected and MTB infected macrophages post CMN treatment. This finding was further corroborated by up-regulated expression of pro-apoptotic proteins, Bax, cleaved caspase-3 and PARP and diminished expression of anti-apoptotic protein Bcl-2 as evaluated by immunoblotting. Using GFP-MTB H37Rv and Lysotracker Red staining we demonstrated co-localization of GFP-MTB H37Rv containing phagosome to lysosome after CMN treatment, indicating enhanced phagosome lysosome fusion. Due to poor bioavailability of CMN, its clinical use is limited, therefore to overcome this issue, CMN was encapsulated in Poly(lactic-co-glycolic) acid (PLGA) shell, resulting in polymeric CMN nano particles (ISCurNP). Flow cytometric evaluation suggested >99% uptake of ISCurNP after 3h of treatment. In BALB/c mice, oral dose of ISCurNP resulted in 6.7-fold increase in the bioavailability compared to free CMN. Moreover, ISCurNP treatment resulted in significant decrease in the intracellular survival of MTB H37Rv through induction of autophagy. Adjunct action of ISCurNP and CMN in combination with isoniazid (INH) revealed >99% decrease in intracellular survival of MTB in macrophage as compared to ISCurNP, CMN or INH alone. In conclusion, our findings suggest the role of ISCurNP as novel host directed formulation to combat both sensitive and MDR strains of MTB by induction of autophagy.
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Affiliation(s)
- Pramod Kumar Gupta
- Tuberculosis Immunology and Immunoassay Development Section, Radiation Medicine Centre, Bhabha Atomic Research Centre, Mumbai, India
- Faculty of Life Science, Homi Bhabha National Institute, Mumbai, India
| | - Priyanka Jahagirdar
- Department of Pharmaceutical Sciences and Technology, Institute of Chemical Technology, Mumbai, India
| | - Devavrat Tripathi
- Tuberculosis Immunology and Immunoassay Development Section, Radiation Medicine Centre, Bhabha Atomic Research Centre, Mumbai, India
| | - Padma V. Devarajan
- Department of Pharmaceutical Sciences and Technology, Institute of Chemical Technology, Mumbai, India
| | - Savita Kulkarni
- Tuberculosis Immunology and Immunoassay Development Section, Radiation Medicine Centre, Bhabha Atomic Research Centre, Mumbai, India
- Faculty of Life Science, Homi Bhabha National Institute, Mumbai, India
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Kia P, Ruman U, Pratiwi AR, Hussein MZ. Innovative Therapeutic Approaches Based on Nanotechnology for the Treatment and Management of Tuberculosis. Int J Nanomedicine 2023; 18:1159-1191. [PMID: 36919095 PMCID: PMC10008450 DOI: 10.2147/ijn.s364634] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2022] [Accepted: 02/06/2023] [Indexed: 03/11/2023] Open
Abstract
Tuberculosis (TB), derived from bacterium named Mycobacterium tuberculosis, has become one of the worst infectious and contagious illnesses in the world after HIV/AIDS. Long-term therapy, a high pill burden, lack of compliance, and strict management regimens are disadvantages which resulted in the extensively drug-resistant (XDR) along with multidrug-resistant (MDR) in the treatment of TB. One of the main thrust areas for the current scenario is the development of innovative intervention tools for early diagnosis and therapeutics towards Mycobacterium tuberculosis (MTB). This review discusses various nanotherapeutic agents that have been developed for MTB diagnostics, anti-TB drugs and vaccine. Undoubtedly, the concept of employing nanoparticles (NPs) has strong potential in this therapy and offers impressive outcomes to conquer the disease. Nanocarriers with different types were designed for drug delivery applications via various administration methods. Controlling and maintaining the drug release might be an example of the benefits of utilizing a drug-loaded NP in TB therapy over conventional drug therapy. Furthermore, the drug-encapsulated NP is able to lessen dosage regimen and can resolve the problems of insufficient compliance. Over the past decade, NPs were developed in both diagnostic and therapeutic methods, while on the other hand, the therapeutic system has increased. These "theranostic" NPs were designed for nuclear imaging, optical imaging, ultrasound, imaging with magnetic resonance and the computed tomography, which includes both single-photon computed tomography and positron emission tomography. More specifically, the current manuscript focuses on the status of therapeutic and diagnostic approaches in the treatment of TB.
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Affiliation(s)
- Pooneh Kia
- Institute of Bioscience, Universiti Putra Malaysia, Serdang, Selangor, Malaysia
| | - Umme Ruman
- Nanomaterials Synthesis and Characterization Laboratory (NSCL), Institute of Nanoscience and Nanotechnology (ION2), Universiti Putra Malaysia, UPM Serdang, Selangor, Malaysia
| | - Ariyati Retno Pratiwi
- Department of Oral Biology, Faculty of Dentistry, Universitas Brawijaya, Malang, Indonesia
| | - Mohd Zobir Hussein
- Nanomaterials Synthesis and Characterization Laboratory (NSCL), Institute of Nanoscience and Nanotechnology (ION2), Universiti Putra Malaysia, UPM Serdang, Selangor, Malaysia
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Controlling of Mycobacterium by Natural Degradant-Combination Models for Sequestering Mycolic Acids in Karish Cheese. Molecules 2022; 27:molecules27248946. [PMID: 36558074 PMCID: PMC9787636 DOI: 10.3390/molecules27248946] [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: 10/30/2022] [Revised: 12/11/2022] [Accepted: 12/13/2022] [Indexed: 12/23/2022] Open
Abstract
Degradation of the mycobacterial complex containing mycolic acids (MAs) by natural bioactive compounds is essential for producing safe and value-added foods with therapeutic activities. This study aimed to determine the degradation efficiency of natural organic acid extracts (i.e., citric, malic, tartaric, and lactic), quadri-mix extract from fruits and probiotics (i.e., lemon, apple, grape, and cell-free supernatant of Lactobacillus acidophilus), and synthetic pure organic acids (i.e., citric, malic, tartaric, and lactic), against MA in vitro in phosphate buffer solution (PBS) and Karish cheese models. The degradation effect was evaluated both individually and in combinations at different concentrations of degradants (1, 1.5, and 2%) and at various time intervals (0, 6, 12, 24, and 48 h). The results show that MA degradation percentage recorded its highest value at 2% of mixed fruit extract quadri-mix with L. acidophilus and reached 99.2% after 48 h both in PBS and Karish cheese, unlike other treatments (i.e., citric + malic + tartaric + lactic), individual acids, and sole extracts at all concentrations. Conversely, organic acid quadri-mix revealed the greatest MA degradation% of 95.9, 96.8, and 97.3% at 1, 1.5, and 2%, respectively, after 48 h. Citric acid was more effective in MA degradation than other acids. The fruit extract quadri-mix combined with L. acidophilus-fortified Karish cheese showed the highest sensorial characteristics; hence, it can be considered a novel food-grade degradant for MA and could be a promising biocontrol candidate against Mycobacterium tuberculosis (Mtb) in food matrices.
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Schulte M, Hensel M, Miskiewicz K. Exposure to stressors and antimicrobials induces cell-autonomous ultrastructural heterogeneity of an intracellular bacterial pathogen. Front Cell Infect Microbiol 2022; 12:963354. [DOI: 10.3389/fcimb.2022.963354] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2022] [Accepted: 10/25/2022] [Indexed: 11/17/2022] Open
Abstract
Despite their clonality, intracellular bacterial pathogens commonly show remarkable physiological heterogeneity during infection of host cells. Physiological heterogeneity results in distinct ultrastructural morphotypes, but the correlation between bacterial physiological state and ultrastructural appearance remains to be established. In this study, we showed that individual cells of Salmonella enterica serovar Typhimurium are heterogeneous in their ultrastructure. Two morphotypes based on the criterion of cytoplasmic density were discriminated after growth under standard culture conditions, as well as during intracellular lifestyle in mammalian host cells. We identified environmental conditions which affect cytoplasmic densities. Using compounds generating oxygen radicals and defined mutant strains, we were able to link the occurrence of an electron-dense ultrastructural morphotype to exposure to oxidative stress and other stressors. Furthermore, by combining ultrastructural analyses of Salmonella during infection and fluorescence reporter analyses for cell viability, we provided evidence that two characterized ultrastructural morphotypes with electron-lucent or electron-dense cytoplasm represent viable cells. Moreover, the presence of electron-dense types is stress related and can be experimentally induced only when amino acids are available in the medium. Our study proposes ultrastructural morphotypes as marker for physiological states of individual intracellular pathogens providing a new marker for single cell analyses.
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Kabwe KP, Nsibande SA, Pilcher LA, Forbes PBC. Development of a mycolic acid-graphene quantum dot probe as a potential tuberculosis biosensor. LUMINESCENCE 2022; 37:1881-1890. [PMID: 35989462 DOI: 10.1002/bio.4368] [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: 04/11/2022] [Revised: 08/01/2022] [Accepted: 08/07/2022] [Indexed: 11/09/2022]
Abstract
The development of amine-functionalized graphene quantum dots (GQDs) linked to mycolic acids (MAs) as a potential fluorescent biosensor to detect tuberculosis (TB) biomarkers is described. GQDs have attractive properties: high fluorescence, excellent biocompatibility, good water solubility, and low toxicity. MAs are lipids that are found in the cell wall of Mycobacterium tuberculosis that are antigenic, however, they are soluble only in chloroform and hexane. Chloroform-soluble MAs were covalently linked to synthesized water-soluble GQDs using an amide connection to create a potential fluorescent water-soluble TB biosensor: MA-GQDs. Fluorescence results showed that GQDs had a narrow emission spectrum with the highest emission at 440 nm, while MA-GQDs had a broader spectrum with the highest emission at 470 nm, after exciting at 360 nm. The appearance of the peptide bond (amide linkage) in the Fourier-transform infrared spectrum of MA-GQDs confirmed the successful linking of MAs to GQDs. Powder X-ray diffraction exhibited an increase in the number of peaks for MA-GQDs relative to GQDs, suggesting that linking MAs to GQDs changed the crystal structure thereof. The linked MA-GQDs showed good solubility in water, high fluorescence, and visual flow through a nitrocellulose membrane. These properties are promising for biomedical fluorescence sensing applications.
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Affiliation(s)
- Kapambwe P Kabwe
- Department of Chemistry, Faculty of Natural and Agricultural Sciences, University of Pretoria, Pretoria, South Africa
| | - Sifiso A Nsibande
- Department of Chemistry, Faculty of Natural and Agricultural Sciences, University of Pretoria, Pretoria, South Africa
| | - Lynne A Pilcher
- Department of Chemistry, Faculty of Natural and Agricultural Sciences, University of Pretoria, Pretoria, South Africa
| | - Patricia B C Forbes
- Department of Chemistry, Faculty of Natural and Agricultural Sciences, University of Pretoria, Pretoria, South Africa
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Shao L, Shen S, Liu H. Recent advances in PLGA micro/nanoparticle delivery systems as novel therapeutic approach for drug-resistant tuberculosis. Front Bioeng Biotechnol 2022; 10:941077. [PMID: 35935487 PMCID: PMC9355142 DOI: 10.3389/fbioe.2022.941077] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2022] [Accepted: 06/29/2022] [Indexed: 12/01/2022] Open
Abstract
Tuberculosis is a severe infectious disease caused by Mycobacterium tuberculosis and is a significant public health concern globally. The World Health Organization (WHO) recommends a combination regimen of several drugs, such as rifampicin (RIF), isoniazid (INH), pyrazinamide (PZA), and ethambutol (ETB), to treat tuberculosis. However, these drugs have low plasma concentrations after oral administration and require multiple high doses, which may lead to the occurrence and development of drug-resistant tuberculosis. Micro/Nanotechnology drug delivery systems have considerable potential in treating drug-resistant tuberculosis, allowing the sustained release of the drug and delivery of the drug to a specific target. These system properties could improve drug bioavailability, reduce the dose and frequency of administration, and solve the problem of non-adherence to the prescribed therapy. This study systematically reviewed the recent advances in PLGA micro/nanoparticle delivery systems as a novel therapeutic approach for drug-resistant tuberculosis.
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Khoza LJ, Kumar P, Dube A, Demana PH, Choonara YE. Insights into Innovative Therapeutics for Drug-Resistant Tuberculosis: Host-Directed Therapy and Autophagy Inducing Modified Nanoparticles. Int J Pharm 2022; 622:121893. [PMID: 35680110 PMCID: PMC9169426 DOI: 10.1016/j.ijpharm.2022.121893] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2022] [Revised: 05/31/2022] [Accepted: 06/02/2022] [Indexed: 10/25/2022]
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Sharma PR, Dravid AA, Kalapala YC, Gupta VK, Jeyasankar S, Goswami A, Agarwal R. Cationic inhalable particles for enhanced drug delivery to M. tuberculosis infected macrophages. BIOMATERIALS ADVANCES 2022; 133:112612. [PMID: 35527151 DOI: 10.1016/j.msec.2021.112612] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/18/2021] [Revised: 12/07/2021] [Accepted: 12/11/2021] [Indexed: 12/16/2022]
Abstract
Inhalable microparticle-based drug delivery platforms are being investigated extensively for Tuberculosis (TB) treatment as they offer efficient deposition in lungs and improved pharmacokinetics of the encapsulated cargo. However, the effect of physical parameters of microcarriers on interaction with Mycobacterium tuberculosis (Mtb) infected mammalian cells is underexplored. In this study, we report that Mtb-infected macrophages are highly phagocytic and microparticle surface charge plays a major role in particle internalization by infected cells. Microparticles of different sizes (0.5-2 μm) were internalized in large numbers by Mtb-infected THP-1 macrophages and murine primary Bone Marrow Derived Macrophages in vitro. Drastic improvement in particle uptake was observed with cationic particles in vitro and in mice lungs. Rapid uptake of rifampicin-loaded cationic microparticles allowed high intracellular accumulation of the drug and led to enhanced anti-bacterial function when compared to non-modified rifampicin-loaded microparticles. Cytocompatibility assay and histological analysis in vivo confirmed that the formulations were safe and did not elicit any adverse reaction. Additionally, pulmonary delivery of cationic particles in mice resulted in two-fold higher uptake in resident alveolar macrophages compared to non-modified particles. This study provides a framework for future design of drug carriers to improve delivery of anti-TB drugs inside Mtb-infected cells.
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Affiliation(s)
- Pallavi Raj Sharma
- Centre for BioSystems Science and Engineering, Indian Institute of Science, Bengaluru 560012, India
| | - Ameya Atul Dravid
- Centre for BioSystems Science and Engineering, Indian Institute of Science, Bengaluru 560012, India
| | | | - Vishal K Gupta
- Centre for BioSystems Science and Engineering, Indian Institute of Science, Bengaluru 560012, India
| | - Sharumathi Jeyasankar
- Centre for BioSystems Science and Engineering, Indian Institute of Science, Bengaluru 560012, India
| | - Avijit Goswami
- Centre for BioSystems Science and Engineering, Indian Institute of Science, Bengaluru 560012, India
| | - Rachit Agarwal
- Centre for BioSystems Science and Engineering, Indian Institute of Science, Bengaluru 560012, India.
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Prabhu P, Fernandes T, Damani M, Chaubey P, Narayanan S, Sawarkar S. 2Receptor Specific Ligand conjugated Nanocarriers: an Effective Strategy for Targeted Therapy of Tuberculosis. Curr Drug Deliv 2021; 19:830-845. [PMID: 34915835 DOI: 10.2174/1567201819666211216141942] [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: 03/02/2021] [Revised: 08/09/2021] [Accepted: 10/27/2021] [Indexed: 11/22/2022]
Abstract
Tuberculosis (TB) is an ancient chronic disease caused by the bacillus Mycobacterium tuberculosis, which has affected mankind for more than 4,000 years. Compliance with the standard conventional treatment can assure recovery from tuberculosis, but emergence of drug resistant strains pose a great challenge for effective management of tuberculosis. The process of discovery and development of new therapeutic entities with better specificity and efficacy is unpredictable and time consuming. Hence, delivery of pre-existing drugs with improved targetability is the need of the hour. Enhanced delivery and targetability can ascertain improved bioavailability, reduced toxicity, decreased frequency of dosing and therefore better patient compliance. Nanoformulations are being explored for effective delivery of therapeutic agents, however optimum specificity is not guaranteed. In order to achieve specificity, ligands specific to receptors or cellular components of macrophage and Mycobacteria can be conjugatedto nanocarriers. This approach can improve localization of existing drug molecules at the intramacrophageal site where the parasites reside, improve targeting to the unique cell wall structure of Mycobacterium or improve adhesion to epithelial surface of intestine or alveolar tissue (lectins). Present review focuses on the investigation of various ligands like Mannose, Mycolic acid, Lectin, Aptamers etc. installed nanocarriers that are being envisaged for targeting antitubercular drugs.
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Affiliation(s)
- Pratiksha Prabhu
- Department of Pharmaceutics, SVKM's Dr. Bhanuben Nanavati College of Pharmacy, University of Mumbai. Saudi Arabia
| | - Trinette Fernandes
- Department of Pharmaceutics, SVKM's Dr. Bhanuben Nanavati College of Pharmacy, University of Mumbai. Saudi Arabia
| | - Mansi Damani
- Department of Pharmaceutics, SVKM's Dr. Bhanuben Nanavati College of Pharmacy, University of Mumbai. Saudi Arabia
| | - Pramila Chaubey
- Department of Pharmaceutics, College of Pharmacy, Shaqra University, Al-Dawadmi. Saudi Arabia
| | - Shridhar Narayanan
- Foundation for Neglected Disease Research, 20A, KIADB Industrial Area Veerapura, Doddaballapur, Bengaluru, Karnataka 561203. India
| | - Sujata Sawarkar
- Department of Pharmaceutics, SVKM's Dr. Bhanuben Nanavati College of Pharmacy, University of Mumbai. Saudi Arabia
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Hua L, Qian H, Lei T, Liu W, He X, Zhang Y, Lei P, Hu Y. Anti-tuberculosis drug delivery for tuberculous bone defects. Expert Opin Drug Deliv 2021; 18:1815-1827. [PMID: 34758697 DOI: 10.1080/17425247.2021.2005576] [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: 10/19/2022]
Abstract
INTRODUCTION Traditional therapy methods for treating tuberculous bone defects have several limitations. Furthermore, systemic toxicity and disease recurrence in tuberculosis (TB) have not been effectively addressed. AREAS COVERED This review is based on references from September 1998 to September 2021 and summarizes the classification and drug-loading methods of anti-TB drugs. The application of different types of biological scaffolds loaded with anti-TB drugs as a novel drug delivery strategy for tuberculous bone defects has been deeply analyzed. Furthermore, the limitations of the existing studies are summarized. EXPERT OPINION Loading anti-TB drugs into the scaffold through various drug-loading techniques can effectively improve the efficiency of anti-TB treatment and provide an effective means of treating tuberculous bone defects. This methodology also has good application prospects and provides directions for future research.
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Affiliation(s)
- Long Hua
- Department of Orthopedics, Xiangya Hospital Central South University, Hunan Engineering Research Center of Biomedical Metal and Ceramic Implants, Changsha, Hunan, P. R. China.,Department of Orthopedics, The First Affiliated Hospital,Medical College of Zhejiang University, Hangzhou, P. R. China.,Department of orthopedics,The Sixth Affiliated Hospital, Xinjiang Medical University, Urumqi, P. R. China
| | - Hu Qian
- Department of Orthopedics, Xiangya Hospital Central South University, Hunan Engineering Research Center of Biomedical Metal and Ceramic Implants, Changsha, Hunan, P. R. China
| | - Ting Lei
- Department of Orthopedics, Xiangya Hospital Central South University, Hunan Engineering Research Center of Biomedical Metal and Ceramic Implants, Changsha, Hunan, P. R. China
| | - Wenbin Liu
- Department of Orthopedics, Xiangya Hospital Central South University, Hunan Engineering Research Center of Biomedical Metal and Ceramic Implants, Changsha, Hunan, P. R. China
| | - Xi He
- Department of Orthopedics, Xiangya Hospital Central South University, Hunan Engineering Research Center of Biomedical Metal and Ceramic Implants, Changsha, Hunan, P. R. China
| | - Yu Zhang
- Department of Orthopedics, Xiangya Hospital Central South University, Hunan Engineering Research Center of Biomedical Metal and Ceramic Implants, Changsha, Hunan, P. R. China
| | - Pengfei Lei
- Department of Orthopedics, Xiangya Hospital Central South University, Hunan Engineering Research Center of Biomedical Metal and Ceramic Implants, Changsha, Hunan, P. R. China.,Department of Orthopedics, The First Affiliated Hospital,Medical College of Zhejiang University, Hangzhou, P. R. China
| | - Yihe Hu
- Department of Orthopedics, Xiangya Hospital Central South University, Hunan Engineering Research Center of Biomedical Metal and Ceramic Implants, Changsha, Hunan, P. R. China.,Department of Orthopedics, The First Affiliated Hospital,Medical College of Zhejiang University, Hangzhou, P. R. China
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Nabi B, Rehman S, Aggarwal S, Baboota S, Ali J. Nano-based anti-tubercular drug delivery: an emerging paradigm for improved therapeutic intervention. Drug Deliv Transl Res 2021; 10:1111-1121. [PMID: 32418158 PMCID: PMC7229880 DOI: 10.1007/s13346-020-00786-5] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Tuberculosis (TB) classified as one of the most fatal contagious diseases is of prime concern globally. Mycobacterium tuberculosis is the causative agent that ingresses within the host cells. The approved conventional regimen, though the only viable option available, is unfavorably impacting the quality of life of the affected individual. Despite newer antibiotics gaining light, there is an unending demand for more therapeutic alternatives. Therefore, substantial continuous endeavors are been undertaken to come up with novel strategies to curb the disease, the stepping stone being nanotechnology. This approach is instrumental in overcoming the anomalies associated with conventional therapy owing to their intriguing attributes and leads to optimization of the therapeutic effect to a certain extent. This review focusses on the different types of nanocarrier systems that are being currently explored by the researchers for the delivery of anti-tubercular drugs, the outcomes achieved by them, and their prospects. Graphical abstract ![]()
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Affiliation(s)
- Bushra Nabi
- Department of Pharmaceutics, School of Pharmaceutical Education and Research, Jamia Hamdard, Hamdard Nagar, New Delhi, 110062, India
| | - Saleha Rehman
- Department of Pharmaceutics, School of Pharmaceutical Education and Research, Jamia Hamdard, Hamdard Nagar, New Delhi, 110062, India
| | - Sumit Aggarwal
- Division of ECD, Indian Council of Medical Research, New Delhi, India
| | - Sanjula Baboota
- Department of Pharmaceutics, School of Pharmaceutical Education and Research, Jamia Hamdard, Hamdard Nagar, New Delhi, 110062, India
| | - Javed Ali
- Department of Pharmaceutics, School of Pharmaceutical Education and Research, Jamia Hamdard, Hamdard Nagar, New Delhi, 110062, India.
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Abstract
The natural world has provided a host of materials and inspiration for the field of nanomedicine. By taking design cues from naturally occurring systems, the nanoengineering of advanced biomimetic platforms has significantly accelerated over the past decade. In particular, the biomimicry of bacteria, with their motility, taxis, immunomodulation, and overall dynamic host interactions, has elicited substantial interest and opened up exciting avenues of research. More recently, advancements in genetic engineering have given way to more complex and elegant systems with tunable control characteristics. Furthermore, bacterial derivatives such as membrane ghosts, extracellular vesicles, spores, and toxins have proven advantageous for use in nanotherapeutic applications, as they preserve many of the features from the original bacteria while also offering distinct advantages. Overall, bacteria-inspired nanomedicines can be employed in a range of therapeutic settings, from payload delivery to immunotherapy, and have proven successful in combatting both cancer and infectious disease.
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Affiliation(s)
- Maya Holay
- Department of NanoEngineering, Chemical Engineering Program, and Moores Cancer Center, University of California San Diego, La Jolla, CA 92093, USA
| | - Zhongyuan Guo
- Department of NanoEngineering, Chemical Engineering Program, and Moores Cancer Center, University of California San Diego, La Jolla, CA 92093, USA
| | - Jessica Pihl
- Department of NanoEngineering, Chemical Engineering Program, and Moores Cancer Center, University of California San Diego, La Jolla, CA 92093, USA
| | - Jiyoung Heo
- Department of NanoEngineering, Chemical Engineering Program, and Moores Cancer Center, University of California San Diego, La Jolla, CA 92093, USA
| | - Joon Ho Park
- Department of NanoEngineering, Chemical Engineering Program, and Moores Cancer Center, University of California San Diego, La Jolla, CA 92093, USA
| | - Ronnie H. Fang
- Department of NanoEngineering, Chemical Engineering Program, and Moores Cancer Center, University of California San Diego, La Jolla, CA 92093, USA
| | - Liangfang Zhang
- Department of NanoEngineering, Chemical Engineering Program, and Moores Cancer Center, University of California San Diego, La Jolla, CA 92093, USA
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Rouco H, Diaz-Rodriguez P, Gaspar DP, Gonçalves LMD, Cuerva M, Remuñán-López C, Almeida AJ, Landin M. Rifabutin-Loaded Nanostructured Lipid Carriers as a Tool in Oral Anti-Mycobacterial Treatment of Crohn's Disease. NANOMATERIALS (BASEL, SWITZERLAND) 2020; 10:E2138. [PMID: 33121030 PMCID: PMC7692220 DOI: 10.3390/nano10112138] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/29/2020] [Revised: 10/20/2020] [Accepted: 10/26/2020] [Indexed: 12/12/2022]
Abstract
Oral anti-mycobacterial treatment of Crohn's disease (CD) is limited by the low aqueous solubility of drugs, along with the altered gut conditions of patients, making uncommon their clinical use. Hence, the aim of the present work is focused on the in vitro evaluation of rifabutin (RFB)-loaded Nanostructured lipid carriers (NLC), in order to solve limitations associated to this therapeutic approach. RFB-loaded NLC were prepared by hot homogenization and characterized in terms of size, polydispersity, surface charge, morphology, thermal stability, and drug payload and release. Permeability across Caco-2 cell monolayers and cytotoxicity and uptake in human macrophages was also determined. NLC obtained were nano-sized, monodisperse, negatively charged, and spheroidal-shaped, showing a suitable drug payload and thermal stability. Furthermore, the permeability profile, macrophage uptake and selective intracellular release of RFB-loaded NLC, guarantee an effective drug dose administration to cells. Outcomes suggest that rifabutin-loaded NLC constitute a promising strategy to improve oral anti-mycobacterial therapy in Crohn's disease.
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Affiliation(s)
- Helena Rouco
- R+D Pharma Group (GI-1645), Strategic Grouping in Materials (AEMAT), Department of Pharmacology, Pharmacy and Pharmaceutical Technology, Faculty of Pharmacy, Universidade de Santiago de Compostela-Campus Vida, 15782 Santiago de Compostela, Spain;
| | - Patricia Diaz-Rodriguez
- Drug Delivery Systems Group, Department of Chemical Engineering and Pharmaceutical Technology, School of Sciences, Universidad de La Laguna (ULL), Campus de Anchieta, 38200 La Laguna (Tenerife), Spain;
| | - Diana P. Gaspar
- Research Institute for Medicines (iMed.ULisboa), Faculty of Pharmacy, Universidade de Lisboa, 1649-003 Lisbon, Portugal; (D.P.G.); (L.M.D.G.); (A.J.A.)
| | - Lídia M. D. Gonçalves
- Research Institute for Medicines (iMed.ULisboa), Faculty of Pharmacy, Universidade de Lisboa, 1649-003 Lisbon, Portugal; (D.P.G.); (L.M.D.G.); (A.J.A.)
| | - Miguel Cuerva
- Department of Physical Chemistry, Nanomag laboratory, Universidade de Santiago de Compostela-Campus Vida, 15782 Santiago de Compostela, Spain;
| | - Carmen Remuñán-López
- Nanobiofar Group (GI-1643), Department of Pharmacology, Pharmacy and Pharmaceutical Technology, Faculty of Pharmacy, Universidade de Santiago de Compostela-Campus Vida, 15782 Santiago de Compostela, Spain;
| | - António J. Almeida
- Research Institute for Medicines (iMed.ULisboa), Faculty of Pharmacy, Universidade de Lisboa, 1649-003 Lisbon, Portugal; (D.P.G.); (L.M.D.G.); (A.J.A.)
| | - Mariana Landin
- R+D Pharma Group (GI-1645), Strategic Grouping in Materials (AEMAT), Department of Pharmacology, Pharmacy and Pharmaceutical Technology, Faculty of Pharmacy, Universidade de Santiago de Compostela-Campus Vida, 15782 Santiago de Compostela, Spain;
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Baranyai Z, Soria‐Carrera H, Alleva M, Millán‐Placer AC, Lucía A, Martín‐Rapún R, Aínsa JA, la Fuente JM. Nanotechnology‐Based Targeted Drug Delivery: An Emerging Tool to Overcome Tuberculosis. ADVANCED THERAPEUTICS 2020. [DOI: 10.1002/adtp.202000113] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Zsuzsa Baranyai
- Instituto de Nanociencia y Materiales de Aragón (INMA) CSIC–Universidad de Zaragoza C/ Mariano Esquillor s/n Zaragoza 50018 Spain
| | - Héctor Soria‐Carrera
- Instituto de Nanociencia y Materiales de Aragón (INMA) CSIC–Universidad de Zaragoza C/ Mariano Esquillor s/n Zaragoza 50018 Spain
- Biomateriales y Nanomedicina (CIBER‐BBN), Instituto de Salud Carlos III CIBER de Bioingeniería Madrid 28029 Spain
| | - Maria Alleva
- Instituto de Nanociencia y Materiales de Aragón (INMA) CSIC–Universidad de Zaragoza C/ Mariano Esquillor s/n Zaragoza 50018 Spain
| | - Ana C. Millán‐Placer
- Departamento de Microbiología, Facultad de Medicina Universidad de Zaragoza C/ Domingo Miral s/n Zaragoza 50009 Spain
- Instituto de Investigación Sanitaria Aragón (IIS‐Aragón) Zaragoza 50009 Spain
| | - Ainhoa Lucía
- Departamento de Microbiología, Facultad de Medicina Universidad de Zaragoza C/ Domingo Miral s/n Zaragoza 50009 Spain
- Instituto de Investigación Sanitaria Aragón (IIS‐Aragón) Zaragoza 50009 Spain
- Instituto de Biocomputación y Física de Sistemas Complejos (BIFI) Universidad de Zaragoza C/ Mariano Esquillor s/n Zaragoza 50018 Spain
- CIBER de Enfermedades Respiratorias (CIBERES) Instituto de Salud Carlos III Madrid 28029 Spain
| | - Rafael Martín‐Rapún
- Instituto de Nanociencia y Materiales de Aragón (INMA) CSIC–Universidad de Zaragoza C/ Mariano Esquillor s/n Zaragoza 50018 Spain
- Departamento de Química Orgánica Facultad de Ciencias Universidad de Zaragoza Zaragoza 50009 Spain
- Biomateriales y Nanomedicina (CIBER‐BBN), Instituto de Salud Carlos III CIBER de Bioingeniería Madrid 28029 Spain
| | - José A. Aínsa
- Departamento de Microbiología, Facultad de Medicina Universidad de Zaragoza C/ Domingo Miral s/n Zaragoza 50009 Spain
- Instituto de Investigación Sanitaria Aragón (IIS‐Aragón) Zaragoza 50009 Spain
- Instituto de Biocomputación y Física de Sistemas Complejos (BIFI) Universidad de Zaragoza C/ Mariano Esquillor s/n Zaragoza 50018 Spain
- CIBER de Enfermedades Respiratorias (CIBERES) Instituto de Salud Carlos III Madrid 28029 Spain
| | - Jesús M. la Fuente
- Instituto de Nanociencia y Materiales de Aragón (INMA) CSIC–Universidad de Zaragoza C/ Mariano Esquillor s/n Zaragoza 50018 Spain
- Biomateriales y Nanomedicina (CIBER‐BBN), Instituto de Salud Carlos III CIBER de Bioingeniería Madrid 28029 Spain
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Varma DM, Zahid MSH, Bachelder EM, Ainslie KM. Formulation of host-targeted therapeutics against bacterial infections. Transl Res 2020; 220:98-113. [PMID: 32268128 PMCID: PMC10132281 DOI: 10.1016/j.trsl.2020.03.009] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/16/2019] [Revised: 03/03/2020] [Accepted: 03/09/2020] [Indexed: 12/23/2022]
Abstract
The global burden of bacterial infections is rising due to increasing resistance to the majority of first-line antibiotics, rendering these drugs ineffective against several clinically important pathogens. Limited transport of antibiotics into cells compounds this problem for gram-negative bacteria that exhibit prominent intracellular lifecycles. Furthermore, poor bioavailability of antibiotics in infected tissues necessitates higher doses and longer treatment regimens to treat resistant infections. Although emerging antibiotics can combat these problems, resistance still may develop over time. Expanding knowledge of host-pathogen interactions has inspired research and development of host-directed therapies (HDTs). HDTs target host-cell machinery critical for bacterial pathogenesis to treat bacterial infections alone or as adjunctive treatment with traditional antibiotics. Unlike traditional antibiotics that directly affect bacteria, a majority of HDTs function by boosting the endogenous antimicrobial activity of cells and are consequently less prone to bacterial tolerance induced by selection pressure. Therefore, HDTs can be quite effective against intracellular cytosolic or vacuolar bacteria, which a majority of traditional antibiotics are unable to eradicate. However, in vivo therapeutic efficacy of HDTs is reliant on adequate bioavailability. Particle-based formulations demonstrate the potential to enable targeted drug delivery, enhance cellular uptake, and increase drug concentration in the host cell of HDTs. This review selected HDTs for clinically important pathogens, identifies formulation strategies that can improve their therapeutic efficacy and offers insights toward further development of HDTs for bacterial infections.
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Affiliation(s)
- Devika M Varma
- Division of Pharmacoengineering and Molecular Pharmaceutics, Eshelman School of Pharmacy, University of North Carolina, Chapel Hill, North Carolina
| | - M Shamim Hasan Zahid
- Division of Pharmacoengineering and Molecular Pharmaceutics, Eshelman School of Pharmacy, University of North Carolina, Chapel Hill, North Carolina
| | - Eric M Bachelder
- Division of Pharmacoengineering and Molecular Pharmaceutics, Eshelman School of Pharmacy, University of North Carolina, Chapel Hill, North Carolina
| | - Kristy M Ainslie
- Division of Pharmacoengineering and Molecular Pharmaceutics, Eshelman School of Pharmacy, University of North Carolina, Chapel Hill, North Carolina; Department of Microbiology and Immunology, University of North Carolina, Chapel Hill, North Carolina.
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18
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Multi-functionalized nanocarriers targeting bacterial reservoirs to overcome challenges of multi drug-resistance. ACTA ACUST UNITED AC 2020; 28:319-332. [PMID: 32193748 DOI: 10.1007/s40199-020-00337-w] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2019] [Accepted: 03/11/2020] [Indexed: 02/07/2023]
Abstract
INTRODUCTION Infectious diseases associated with intracellular bacteria such as Staphylococcus aureus, Salmonella typhimurium and Mycobacterium tuberculosis are important public health concern. Emergence of multi and extensively drug-resistant bacterial strains have made it even more obstinate to offset such infections. Bacteria residing within intracellular compartments provide additional barriers to effective treatment. METHOD Information provided in this review has been collected by accessing various electronic databases including Google scholar, Web of science, Scopus, and Nature index. Search was performed using keywords nanoparticles, intracellular targeting, multidrug resistance, Staphylococcus aureus; Salmonella typhimurium; Mycobacterium tuberculosis. Information gathered was categorized into three major sections as 'Intracellular targeting of Staphylococcus aureus, Intracellular targeting of Salmonella typhimurium and Intracellular targeting of Mycobacterium tuberculosis' using variety of nanocarrier systems. RESULTS Conventional management for infectious diseases typically comprises of long-term treatment with a combination of antibiotics, which may lead to side effects and decreased patient compliance. A wide range of multi-functionalized nanocarrier systems have been studied for delivery of drugs within cellular compartments where bacteria including Staphylococcus aureus, Salmonella typhimurium and Mycobacterium tuberculosis reside. Such carrier systems along with targeted delivery have been utilized for sustained and controlled delivery of drugs. These strategies have been found useful in overcoming the drawbacks of conventional treatments including multi-drug resistance. CONCLUSION Development of multi-functional nanocargoes encapsulating antibiotics that are proficient in targeting and releasing drug into infected reservoirs seems to be a promising strategy to circumvent the challenge of multidrug resistance. Graphical abstract.
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Minakshi P, Ghosh M, Brar B, Kumar R, Lambe UP, Ranjan K, Manoj J, Prasad G. Nano-antimicrobials: A New Paradigm for Combating Mycobacterial Resistance. Curr Pharm Des 2020; 25:1554-1579. [PMID: 31218956 DOI: 10.2174/1381612825666190620094041] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2019] [Accepted: 06/11/2019] [Indexed: 02/07/2023]
Abstract
BACKGROUND Mycobacterium group contains several pathogenic bacteria including M. tuberculosis where the emergence of multidrug-resistant tuberculosis (MDR-TB) and extensively drug-resistant tuberculosis (XDR-TB) is alarming for human and animal health around the world. The condition has further aggravated due to the speed of discovery of the newer drugs has been outpaced by the rate of resistance developed in microorganisms, thus requiring alternative combat strategies. For this purpose, nano-antimicrobials have emerged as a potential option. OBJECTIVE The current review is focused on providing a detailed account of nanocarriers like liposome, micelles, dendrimers, solid lipid NPs, niosomes, polymeric nanoparticles, nano-suspensions, nano-emulsion, mesoporous silica and alginate-based drug delivery systems along with the recent updates on developments regarding nanoparticle-based therapeutics, vaccines and diagnostic methods developed or under pipeline with their potential benefits and limitations to combat mycobacterial diseases for their successful eradication from the world in future. RESULTS Distinct morphology and the underlying mechanism of pathogenesis and resistance development in this group of organisms urge improved and novel methods for the early and efficient diagnosis, treatment and vaccination to eradicate the disease. Recent developments in nanotechnology have the potential to meet both the aspects: nano-materials are proven components of several efficient targeted drug delivery systems and the typical physicochemical properties of several nano-formulations have shown to possess distinct bacteriocidal properties. Along with the therapeutic aspects, nano-vaccines and theranostic applications of nano-formulations have grown in popularity in recent times as an effective alternative means to combat different microbial superbugs. CONCLUSION Nanomedicine holds a bright prospect to perform a key role in global tuberculosis elimination program.
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Affiliation(s)
- Prasad Minakshi
- Department of Animal Biotechnology, LLR University of Veterinary and Animal Sciences, Hisar-125 004, Haryana, India
| | - Mayukh Ghosh
- Department of Veterinary Biochemistry, Ranchi Veterinary College, Birsa Agricultural University, Ranchi-834 006, Jharkhand, India
| | - Basanti Brar
- Department of Animal Biotechnology, LLR University of Veterinary and Animal Sciences, Hisar-125 004, Haryana, India
| | - Rajesh Kumar
- Department of Veterinary Physiology, COVAS, KVASU, Pookode, Wayanad- 673576, Kerala, India
| | - Upendra P Lambe
- Department of Animal Biotechnology, LLR University of Veterinary and Animal Sciences, Hisar-125 004, Haryana, India
| | | | - Jinu Manoj
- RVDEC Mahendergarh, LUVAS, Haryana, India
| | - Gaya Prasad
- SVP University of Agriculture and Technology, Meerut, India
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20
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Metal Organic Framework (MOF) Particles as Potential Bacteria-Mimicking Delivery Systems for Infectious Diseases: Characterization and Cellular Internalization in Alveolar Macrophages. Pharm Res 2019; 36:53. [PMID: 30790066 DOI: 10.1007/s11095-019-2589-4] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2018] [Accepted: 02/10/2019] [Indexed: 02/01/2023]
Abstract
PURPOSE Intramacrophagic bacteria pose a great challenge for the treatment of infectious diseases despite many macrophage targeted drug delivery approaches explored. The use of biomimetic approaches for treating infectious diseases is promising, but not studied extensively. The study purpose is to evaluate iron-based metal-organic frameworks (MOF) as a potential bacteria-mimicking delivery system for infectious diseases. METHODS Two types of carboxylated MOFs, MIL-88A(Fe) and MIL-100(Fe) were developed as "pathogen-like" particles by surface coating with mannose. MOF morphology, cellular uptake kinetics, and endocytic mechanisms in 3D4/21 alveolar macrophages were characterized. RESULTS MIL-88A(Fe) is rod-shape (aspect ratio 1:5) with a long-axis size of 3628 ± 573 nm and MIL-100(Fe) is spherical with diameter of 103.9 ± 7.2 nm. Cellular uptake kinetics of MOFs showed that MIL-100(Fe) nanoparticles were internalized at a faster rate and higher extent compared to MIL-88A(Fe) microparticles. Mannosylation did not improve the uptake of MIL-100(Fe) particles, whereas it highly increased MIL-88A(Fe) cellular uptake and number of cells involved in internalization. Cell uptake inhibition studies indicated that macropinocytosis/phagocytosis was the main endocytic pathway for internalization of MOFs. Accumulation of MOF particles in acidic compartments was clearly observed. CONCLUSIONS The successfully synthesized "pathogen-like" particles provide a novel application of MOF-based particles as biomimetic delivery system for intramacrophagic-based infections.
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22
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Shang S, Kats D, Cao L, Morgun E, Velluto D, He Y, Xu Q, Wang CR, Scott EA. Induction of Mycobacterium Tuberculosis Lipid-Specific T Cell Responses by Pulmonary Delivery of Mycolic Acid-Loaded Polymeric Micellar Nanocarriers. Front Immunol 2018; 9:2709. [PMID: 30538700 PMCID: PMC6277542 DOI: 10.3389/fimmu.2018.02709] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2018] [Accepted: 11/02/2018] [Indexed: 12/23/2022] Open
Abstract
Mycolic acid (MA), a major lipid component of Mycobacterium tuberculosis (Mtb) cell wall, can be presented by the non-polymorphic antigen presenting molecule CD1b to T cells isolated from Mtb-infected individuals. These MA-specific CD1b-restricted T cells are cytotoxic, produce Th1 cytokines, and form memory populations, suggesting that MA can be explored as a potential subunit vaccine candidate for TB. However, the controlled elicitation of MA-specific T cell responses has been challenging due to difficulties in the targeted delivery of lipid antigens and a lack of suitable animal models. In this study, we generated MA-loaded micellar nanocarriers (MA-Mc) comprised of self-assembled poly(ethylene glycol)-bl-poly(propylene sulfide; PEG-PPS) copolymers conjugated to an acid sensitive fluorophore to enhance intracellular delivery of MA to phagocytic immune cells. Using humanized CD1 transgenic (hCD1Tg) mice, we found these nanobiomaterials to be endocytosed by bone marrow-derived dendritic cells (DCs) and localized to lysosomal compartments. Additionally, MA-Mc demonstrated superior efficacy over free MA in activating MA-specific TCR transgenic (DN1) T cells in vitro. Following intranasal immunization, MA-Mc were primarily taken up by alveolar macrophages and DCs in the lung and induced activation and proliferation of adoptively transferred DN1 T cells. Furthermore, intranasal immunization with MA-Mc induced MA-specific T cell responses in the lungs of hCD1Tg mice. Collectively, our data demonstrates that pulmonary delivery of MA via PEG-PPS micelles to DCs can elicit potent CD1b-restricted T cell responses both in vitro and in vivo and MA-Mc could be explored as subunit vaccines against Mtb infection.
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Affiliation(s)
- Shaobin Shang
- Department of Microbiology and Immunology, Northwestern University, Chicago, IL, United States
| | - Dina Kats
- Interdisciplinary Biological Sciences Program, Northwestern University, Evanston, IL, United States
| | - Liang Cao
- Department of Microbiology and Immunology, Northwestern University, Chicago, IL, United States
| | - Eva Morgun
- Department of Microbiology and Immunology, Northwestern University, Chicago, IL, United States
| | - Diana Velluto
- Diabetes Research Institute and Cell Transplant Center, University of Miami School of Medicine, Miami, FL, United States
| | - Ying He
- Department of Microbiology and Immunology, Northwestern University, Chicago, IL, United States
| | - Qichen Xu
- Department of Biomedical Engineering, Northwestern University, Evanston, IL, United States
| | - Chyung-Ru Wang
- Department of Microbiology and Immunology, Northwestern University, Chicago, IL, United States
| | - Evan A Scott
- Interdisciplinary Biological Sciences Program, Northwestern University, Evanston, IL, United States.,Department of Biomedical Engineering, Northwestern University, Evanston, IL, United States.,Simpson Querrey Institute, Northwestern University, Chicago, IL, United States.,Chemistry of Life Processes Institute, Northwestern University, Evanston, IL, United States
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Multi-drug resistant Mycobacterium tuberculosis & oxidative stress complexity: Emerging need for novel drug delivery approaches. Biomed Pharmacother 2018; 107:1218-1229. [DOI: 10.1016/j.biopha.2018.08.101] [Citation(s) in RCA: 57] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2018] [Revised: 08/03/2018] [Accepted: 08/17/2018] [Indexed: 12/15/2022] Open
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Mehta P, Bothiraja C, Kadam S, Pawar A. Potential of dry powder inhalers for tuberculosis therapy: facts, fidelity and future. ARTIFICIAL CELLS NANOMEDICINE AND BIOTECHNOLOGY 2018; 46:S791-S806. [DOI: 10.1080/21691401.2018.1513938] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Piyush Mehta
- Department of Quality Assurance Technique, Poona College of Pharmacy, Bharati Vidyapeeth (Deemed-to-be-University), Pune, India
| | - C. Bothiraja
- Department of Pharmaceutics, Poona College of Pharmacy, Bharati Vidyapeeth (Deemed-to-be-University), Pune, India
| | - Shivajirao Kadam
- Bharati Vidyapeeth Bhavan, Bharati Vidyapeeth (Deemed-to-be-University), Pune, India
| | - Atmaram Pawar
- Department of Pharmaceutics, Poona College of Pharmacy, Bharati Vidyapeeth (Deemed-to-be-University), Pune, India
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Reifarth M, Hoeppener S, Schubert US. Uptake and Intracellular Fate of Engineered Nanoparticles in Mammalian Cells: Capabilities and Limitations of Transmission Electron Microscopy-Polymer-Based Nanoparticles. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2018; 30. [PMID: 29325211 DOI: 10.1002/adma.201703704] [Citation(s) in RCA: 50] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/03/2017] [Revised: 08/14/2017] [Indexed: 06/07/2023]
Abstract
In order to elucidate mechanisms of nanoparticle (NP)-cell interactions, a detailed knowledge about membrane-particle interactions, intracellular distributions, and nucleus penetration capabilities, etc. becomes indispensable. The utilization of NPs as additives in many consumer products, as well as the increasing interest of tailor-made nanoobjects as novel therapeutic and diagnostic platforms, makes it essential to gain deeper insights about their biological effects. Transmission electron microscopy (TEM) represents an outstanding method to study the uptake and intracellular fate of NPs, since this technique provides a resolution far better than the particle size. Additionally, its capability to highlight ultrastructural details of the cellular interior as well as membrane features is unmatched by other approaches. Here, a summary is provided on studies utilizing TEM to investigate the uptake and mode-of-action of tailor-made polymer nanoparticles in mammalian cells. For this purpose, the capabilities as well as limitations of TEM investigations are discussed to provide a detailed overview on uptake studies of common nanoparticle systems supported by TEM investigations. Furthermore, methodologies that can, in particular, address low-contrast materials in electron microscopy, i.e., polymeric and polymer-modified nanoparticles, are highlighted.
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Affiliation(s)
- Martin Reifarth
- Laboratory of Organic and Macromolecular Chemistry (IOMC), Friedrich Schiller University Jena, Humboldtstr. 10, 07743, Jena, Germany
- Jena Center of Soft Matter (JCSM), Friedrich Schiller University Jena, Philosophenweg 7, 07743, Jena, Germany
| | - Stephanie Hoeppener
- Laboratory of Organic and Macromolecular Chemistry (IOMC), Friedrich Schiller University Jena, Humboldtstr. 10, 07743, Jena, Germany
- Jena Center of Soft Matter (JCSM), Friedrich Schiller University Jena, Philosophenweg 7, 07743, Jena, Germany
| | - Ulrich S Schubert
- Laboratory of Organic and Macromolecular Chemistry (IOMC), Friedrich Schiller University Jena, Humboldtstr. 10, 07743, Jena, Germany
- Jena Center of Soft Matter (JCSM), Friedrich Schiller University Jena, Philosophenweg 7, 07743, Jena, Germany
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Natan M, Banin E. From Nano to Micro: using nanotechnology to combat microorganisms and their multidrug resistance. FEMS Microbiol Rev 2018; 41:302-322. [PMID: 28419240 DOI: 10.1093/femsre/fux003] [Citation(s) in RCA: 132] [Impact Index Per Article: 22.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2016] [Accepted: 01/17/2017] [Indexed: 12/12/2022] Open
Abstract
The spread of antibiotic resistance and increasing prevalence of biofilm-associated infections is driving demand for new means to treat bacterial infection. Nanotechnology provides an innovative platform for addressing this challenge, with potential to manage even infections involving multidrug-resistant (MDR) bacteria. The current review summarizes recent progress over the last 2 years in the field of antibacterial nanodrugs, and describes their unique properties, mode of action and activity against MDR bacteria and biofilms. Biocompatibility and commercialization are also discussed. As opposed to the more common division of nanoparticles (NPs) into organic- and inorganic-based materials, this review classifies NPs into two functional categories. The first includes NPs exhibiting intrinsic antibacterial properties and the second is devoted to NPs serving as a cargo for delivering antibacterial agents. Antibacterial nanomaterials used to decorate medical devices and implants are reviewed here as well.
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Affiliation(s)
- Michal Natan
- The Mina and Everard Goodman Faculty of Life Sciences, Bar-Ilan University, Ramat-Gan 52900, Israel.,The Institute for Advanced Materials and Nanotechnology, Bar-Ilan University, Ramat-Gan 52900, Israel
| | - Ehud Banin
- The Mina and Everard Goodman Faculty of Life Sciences, Bar-Ilan University, Ramat-Gan 52900, Israel.,The Institute for Advanced Materials and Nanotechnology, Bar-Ilan University, Ramat-Gan 52900, Israel
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27
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Abdelghany S, Alkhawaldeh M, AlKhatib HS. Carrageenan-stabilized chitosan alginate nanoparticles loaded with ethionamide for the treatment of tuberculosis. J Drug Deliv Sci Technol 2017. [DOI: 10.1016/j.jddst.2017.04.034] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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28
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Sana S, Ghosh S, Das N, Sarkar S, Mandal AK. Vesicular melatonin efficiently downregulates sodium fluoride-induced rat hepato- and broncho-TNF-α, TGF-β expressions, and associated oxidative injury: a comparative study of liposomal and nanoencapsulated forms. Int J Nanomedicine 2017; 12:4059-4071. [PMID: 28603418 PMCID: PMC5457176 DOI: 10.2147/ijn.s124119] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022] Open
Abstract
The importance of fluoride as a natural and industrial toxicant is recognized worldwide. We evaluated the regulating role and biological effect of vesicular (liposomal and nanoencapsulated) melatonin (N-acetyl-5-methoxytryptamine) for drug delivery and controlled release on the depletion of inflammatory mediators, as well as oxidative damage in sodium fluoride (NaF)-treated lungs and liver. Hepatic and bronchial damage was induced in Swiss albino rats with a single acute ingestion of NaF (48 mg/kg body weight, oral gavage). NaF exposure caused the generation of reactive oxygen species (ROS); upregulation of TNF-α and TGF-β; decreased activities of antioxidant systems (glutathione, glutathione-S-transferase, superoxide dismutase, catalase), succinate dehydrogenase, membrane microviscosity, and membrane potential; increased activity of lipid peroxidation and nicotinamide adenine dinucleotide hydride oxidase; and increased hepatic and nephrite toxicities (P<0.001) compared to those in normal animals. Charge (-ve/+ve)-specific single liposomal (dicetyl phosphate/stearylamine) and nanoencapsulated melatonin (4.46 mg/kg body weight, intravenous) treatments (2 hours after NaF exposure) significantly (P<0.01/0.001) and maximally (P<0.001) inhibited all alterations developed in NaF-mediated oxidative injuries in rat liver (+ve) and lungs (-ve), demonstrating their strong free radical scavenging, antioxidant and antigenotoxic properties, and vesicular efficiencies of targeting. Overall, these results suggest that nanoencapsulated melatonin might be considered as a more powerful remedial therapy in comparison to liposomes, in terms of its efficacy in regulating NaF-intoxicated oxidative injury.
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Affiliation(s)
- Suvomoy Sana
- Drug Development, Diagnostics and Biotechnology, CSIR-Indian Institute of Chemical Biology, West Bengal, India
| | - Swarupa Ghosh
- Drug Development, Diagnostics and Biotechnology, CSIR-Indian Institute of Chemical Biology, West Bengal, India
| | - Nirmalendu Das
- Drug Development, Diagnostics and Biotechnology, CSIR-Indian Institute of Chemical Biology, West Bengal, India
| | - Sibani Sarkar
- Drug Development, Diagnostics and Biotechnology, CSIR-Indian Institute of Chemical Biology, West Bengal, India
| | - Ardhendu Kumar Mandal
- Drug Development, Diagnostics and Biotechnology, CSIR-Indian Institute of Chemical Biology, West Bengal, India
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29
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Costa-Gouveia J, Aínsa JA, Brodin P, Lucía A. How can nanoparticles contribute to antituberculosis therapy? Drug Discov Today 2017; 22:600-607. [PMID: 28137645 DOI: 10.1016/j.drudis.2017.01.011] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2016] [Revised: 01/13/2017] [Accepted: 01/18/2017] [Indexed: 12/11/2022]
Abstract
Therapeutic approaches using nanoparticles are being successfully used in foods and in several fields of medicine, including infectious diseases. Regarding tuberculosis (TB) treatment, nanoparticles can be a useful strategy for two distinct applications: (i) for their intrinsic antimycobacterial activity; (ii) as vehicles for known antitubercular drugs to allow reduction of dose- and drug-associated side-effects and administration via user-friendly administration routes such as pulmonary or oral ones. Promising results were obtained in vitro and in animal Mycobacterium tuberculosis models and need now to be translated into clinical drug candidates. Such a prospect can provide an opportunity regarding the current limited therapeutic options for drug-resistant TB and the scarcity of novel antituberculosis drugs in the drug discovery pipeline.
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Affiliation(s)
- Joana Costa-Gouveia
- University of Lille, CNRS, INSERM, University Hospital Center of Lille, Pasteur Institute of Lille, U1019 - UMR 8204 - CIIL - Center for Infection and Immunity of Lille, 59000 Lille, France
| | - José A Aínsa
- Departamento de Microbiología (Facultad de Medicina), and BIFI, Universidad de Zaragoza, Zaragoza, Spain; Instituto de Investigación Sanitaria Aragón (IIS-Aragón), Zaragoza, Spain; CIBER de Enfermedades Respiratorias (CIBERES), Instituto de Salud Carlos III, Madrid, Spain
| | - Priscille Brodin
- University of Lille, CNRS, INSERM, University Hospital Center of Lille, Pasteur Institute of Lille, U1019 - UMR 8204 - CIIL - Center for Infection and Immunity of Lille, 59000 Lille, France.
| | - Ainhoa Lucía
- Departamento de Microbiología (Facultad de Medicina), and BIFI, Universidad de Zaragoza, Zaragoza, Spain; Instituto de Investigación Sanitaria Aragón (IIS-Aragón), Zaragoza, Spain; CIBER de Enfermedades Respiratorias (CIBERES), Instituto de Salud Carlos III, Madrid, Spain.
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30
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System with embedded drug release and nanoparticle degradation sensor showing efficient rifampicin delivery into macrophages. NANOMEDICINE-NANOTECHNOLOGY BIOLOGY AND MEDICINE 2017; 13:307-315. [DOI: 10.1016/j.nano.2016.08.031] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/18/2016] [Revised: 08/09/2016] [Accepted: 08/26/2016] [Indexed: 10/21/2022]
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31
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Ali HR, Ali MRK, Wu Y, Selim SA, Abdelaal HFM, Nasr EA, El-Sayed MA. Gold Nanorods as Drug Delivery Vehicles for Rifampicin Greatly Improve the Efficacy of Combating Mycobacterium tuberculosis with Good Biocompatibility with the Host Cells. Bioconjug Chem 2016; 27:2486-2492. [PMID: 27595304 DOI: 10.1021/acs.bioconjchem.6b00430] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
TB remains a challenging disease to control worldwide. Nanoparticles have been used as drug carriers to deliver high concentrations of antibiotics directly to the site of infection, reducing the duration of treatment along with any side effects of off-target toxicities after systemic exposure to the antibiotics. Herein we have developed a drug delivery platform where gold nanorods (AuNRs) are conjugated to rifampicin (RF), which is released after uptake into macrophage cells (RAW264.7). Due to the nature of the macrophage cells, the nanoparticles are actively internalized into macrophages and release RF after uptake, under the safety frame of the host cells (macrophage). AuNRs without RF conjugation exhibit obvious antimicrobial activity. Therefore, AuNRs could be a promising antimycobacterial agent and an effective delivery vehicle for the antituberculosis drug Rifampicin for use in tuberculosis therapy.
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Affiliation(s)
- Hala R Ali
- School of Chemistry and Biochemistry, Georgia Institute of Technology , Atlanta, Georgia 30332-0400, United States.,Animal Health Research Institute (AHRI) , Department of Bacteriology and Immunology, Dokki, Giza, Egypt.,Department of Veterinary Medicine, Cairo University , Giza, Cairo, Egypt
| | - Moustafa R K Ali
- School of Chemistry and Biochemistry, Georgia Institute of Technology , Atlanta, Georgia 30332-0400, United States
| | - Yue Wu
- School of Chemistry and Biochemistry, Georgia Institute of Technology , Atlanta, Georgia 30332-0400, United States
| | - Salah A Selim
- Department of Veterinary Medicine, Cairo University , Giza, Cairo, Egypt
| | - Hazem F M Abdelaal
- Department of Pathobiological Sciences, University of Wisconsin-Madison , Madison, Wisconsin 53706, United States
| | - Essam A Nasr
- Veterinary Serum and Vaccine Research Institute , Bacterial Diagnostics Research Department (Tuberculosis), Abbasia, Cairo, Egypt
| | - Mostafa A El-Sayed
- School of Chemistry and Biochemistry, Georgia Institute of Technology , Atlanta, Georgia 30332-0400, United States.,Adjunct Professor, School of Chemistry, King Abdul Aziz University , Jeddah, Saudi Arabia
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32
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O'Connor G, Gleeson LE, Fagan-Murphy A, Cryan SA, O'Sullivan MP, Keane J. Sharpening nature's tools for efficient tuberculosis control: A review of the potential role and development of host-directed therapies and strategies for targeted respiratory delivery. Adv Drug Deliv Rev 2016; 102:33-54. [PMID: 27151307 DOI: 10.1016/j.addr.2016.04.024] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2016] [Revised: 04/04/2016] [Accepted: 04/20/2016] [Indexed: 12/18/2022]
Abstract
Centuries since it was first described, tuberculosis (TB) remains a significant global public health issue. Despite ongoing holistic measures implemented by health authorities and a number of new oral treatments reaching the market, there is still a need for an advanced, efficient TB treatment. An adjunctive, host-directed therapy designed to enhance endogenous pathways and hence compliment current regimens could be the answer. The integration of drug repurposing, including synthetic and naturally occurring compounds, with a targeted drug delivery platform is an attractive development option. In order for a new anti-tubercular treatment to be produced in a timely manner, a multidisciplinary approach should be taken from the outset including stakeholders from academia, the pharmaceutical industry, and regulatory bodies keeping the patient as the key focus. Pre-clinical considerations for the development of a targeted host-directed therapy are discussed here.
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Affiliation(s)
- Gemma O'Connor
- School of Pharmacy, Royal College of Surgeons in Ireland, Dublin 2, Ireland; Department of Clinical Medicine, Institute of Molecular Medicine, Trinity College Dublin and St. James's Hospital, D08 W9RT, Dublin, Ireland.
| | - Laura E Gleeson
- Department of Clinical Medicine, Institute of Molecular Medicine, Trinity College Dublin and St. James's Hospital, D08 W9RT, Dublin, Ireland.
| | - Aidan Fagan-Murphy
- School of Pharmacy, Royal College of Surgeons in Ireland, Dublin 2, Ireland; SFI Centre for Research in Medical Devices (CURAM), Dublin 2, Ireland.
| | - Sally-Ann Cryan
- School of Pharmacy, Royal College of Surgeons in Ireland, Dublin 2, Ireland; Trinity Centre for Bioengineering, Trinity College Dublin, Dublin 2, Ireland; SFI Centre for Research in Medical Devices (CURAM), Dublin 2, Ireland.
| | - Mary P O'Sullivan
- Department of Clinical Medicine, Institute of Molecular Medicine, Trinity College Dublin and St. James's Hospital, D08 W9RT, Dublin, Ireland.
| | - Joseph Keane
- Department of Clinical Medicine, Institute of Molecular Medicine, Trinity College Dublin and St. James's Hospital, D08 W9RT, Dublin, Ireland.
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