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Razmimanesh F, Sodeifian G. Evaluation of a temperature-responsive magnetotocosome as a magnetic targeting drug delivery system for sorafenib tosylate anticancer drug. Heliyon 2023; 9:e21794. [PMID: 38027677 PMCID: PMC10658271 DOI: 10.1016/j.heliyon.2023.e21794] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2022] [Revised: 10/15/2023] [Accepted: 10/28/2023] [Indexed: 12/01/2023] Open
Abstract
In this investigation, a polymeric fusion of chitosan (CS) and thermosensitive poly (N-isopropyl acrylamide) - PNIPAAm - encapsulated a magnetotocosome, biocompatible nanocarrier. This encapsulation strategy demonstrated improved drug entrapment efficiency, achieving up to 98.8 %. Additionally, it exhibited extended stability, optimal particle dimensions, and the potential for industrial scaling, thus facilitating controlled drug delivery of sorafenib tosylate to cancerous tissue. Reversible Addition-Fragmentation Chain Transfer (RAFT) techniques were employed to synthesize PNIPAAm. The effects of polymer molecular weight and polydispersity index on the lower critical solution temperature (LCST) were evaluated. The resulting polymeric amalgamation, involving the thermosensitive PNIPAAm synthesized using RAFT techniques and CS that coated the magnetotocosome (CS-Raft PNIPAAm-magnetotocosome) with an LCST approximately at 45 °C, holds the potential to enhance drug bioavailability and enable applications in hyperthermia treatment, controlled release, and targeted drug delivery.
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Affiliation(s)
- Fariba Razmimanesh
- Department of Chemical Engineering, Faculty of Engineering, University of Kashan, 87317-53153, Kashan, Iran
- Laboratory of Biotechnology and Nanotechnology, University of Kashan, 87317-53153, Kashan, Iran
- Biotechnology Centre, Faculty of Engineering, University of Kashan, 87317-53153, Kashan, Iran
| | - Gholamhossein Sodeifian
- Department of Chemical Engineering, Faculty of Engineering, University of Kashan, 87317-53153, Kashan, Iran
- Laboratory of Biotechnology and Nanotechnology, University of Kashan, 87317-53153, Kashan, Iran
- Biotechnology Centre, Faculty of Engineering, University of Kashan, 87317-53153, Kashan, Iran
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2
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Raval AJ, Parikh JK, Desai MA. A review on the treatment of intimal hyperplasia with perivascular medical devices: role of mechanical factors and drug release kinetics. Expert Rev Med Devices 2023; 20:805-819. [PMID: 37559556 DOI: 10.1080/17434440.2023.2244875] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2023] [Accepted: 08/02/2023] [Indexed: 08/11/2023]
Abstract
INTRODUCTION Intimal hyperplasia (IH) is a significant factor limiting the success of revascularization surgery for blood flow restoration. IH results from a foreign body response and mechanical disparity that involves complex biochemical reactions resulting in graft failure. The available treatment option utilizes either different pharmacological interventions or mechanical support to the vascular grafts with limited success. AREAS COVERED This review explains the pathophysiology of IH, responsible mechanical and biological factors, and treatment options, emphasizing perivascular devices. They are designed to provide mechanical support and pharmacology actions. The perivascular drug delivery concept has successfully demonstrated efficacy in various animal studies. Accurate projections of drug release mechanisms using mathematical modeling could be used to formulate prolonged drug elution devices. Numerical modeling aspects for the prediction of design outcomes have been given due importance that fulfills the unmet clinical need for better patient care. EXPERT OPINION IH could be effectively prevented by simultaneous mechanical scaffolding and sustained local drug delivery. Future perivascular medical devices could be designed to integrate these essential features. Numerical modeling for device performance prediction should be utilized in the development of next-generation perivascular devices.
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Affiliation(s)
- Ankur J Raval
- Department of Chemical Engineering, Sardar Vallabhbhai National of Technology, Surat, Gujarat, India
- Research and Development Department, Sahajanand Medical Technologies Ltd, Surat, Gujarat, India
| | - Jigisha K Parikh
- Department of Chemical Engineering, Sardar Vallabhbhai National of Technology, Surat, Gujarat, India
| | - Meghal A Desai
- Department of Chemical Engineering, Sardar Vallabhbhai National of Technology, Surat, Gujarat, India
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Blanco-Fernández G, Blanco-Fernandez B, Fernández-Ferreiro A, Otero-Espinar FJ. Lipidic lyotropic liquid crystals: Insights on biomedical applications. Adv Colloid Interface Sci 2023; 313:102867. [PMID: 36889183 DOI: 10.1016/j.cis.2023.102867] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2022] [Revised: 02/26/2023] [Accepted: 02/26/2023] [Indexed: 03/04/2023]
Abstract
Liquid crystals (LCs) possess unique physicochemical properties, translatable into a wide range of applications. To date, lipidic lyotropic LCs (LLCs) have been extensively explored in drug delivery and imaging owing to the capability to encapsulate and release payloads with different characteristics. The current landscape of lipidic LLCs in biomedical applications is provided in this review. Initially, the main properties, types, methods of fabrication and applications of LCs are showcased. Then, a comprehensive discussion of the main biomedical applications of lipidic LLCs accordingly to the application (drug and biomacromolecule delivery, tissue engineering and molecular imaging) and route of administration is examined. Further discussion of the main limitations and perspectives of lipidic LLCs in biomedical applications are also provided. STATEMENT OF SIGNIFICANCE: Liquid crystals (LCs) are those systems between a solid and liquid state that possess unique morphological and physicochemical properties, translatable into a wide range of biomedical applications. A short description of the properties of LCs, their types and manufacturing procedures is given to serve as a background to the topic. Then, the latest and most innovative research in the field of biomedicine is examined, specifically the areas of drug and biomacromolecule delivery, tissue engineering and molecular imaging. Finally, prospects of LCs in biomedicine are discussed to show future trends and perspectives that might be utilized. This article is an ampliation, improvement and actualization of our previous short forum article "Bringing lipidic lyotropic liquid crystal technology into biomedicine" published in TIPS.
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Affiliation(s)
- Guillermo Blanco-Fernández
- Pharmacology, Pharmacy and Pharmaceutical Technology Department, Faculty of Pharmacy, University of Santiago de Compostela (USC), Santiago de Compostela, Spain; Paraquasil Group, Health Research Institute of Santiago de Compostela (FIDIS), Santiago de Compostela, Spain; Institute of Materials (iMATUS), University of Santiago de Compostela (USC), Santiago de Compostela, Spain
| | - Bárbara Blanco-Fernandez
- CIBER in Bioengineering, Biomaterials and Nanomedicine, CIBER-BBN, Madrid, Spain; Institute for Bioengineering of Catalonia (IBEC), The Barcelona Institute of Science and Technology, Baldiri Reixac 10-12, Barcelona 08028, Spain.
| | - Anxo Fernández-Ferreiro
- Pharmacology Group, Health Research Institute of Santiago de Compostela (FIDIS), Santiago de Compostela, Spain; Pharmacy Department, University Clinical Hospital of Santiago de Compostela (SERGAS), Santiago de Compostela, Spain.
| | - Francisco J Otero-Espinar
- Pharmacology, Pharmacy and Pharmaceutical Technology Department, Faculty of Pharmacy, University of Santiago de Compostela (USC), Santiago de Compostela, Spain; Paraquasil Group, Health Research Institute of Santiago de Compostela (FIDIS), Santiago de Compostela, Spain; Institute of Materials (iMATUS), University of Santiago de Compostela (USC), Santiago de Compostela, Spain.
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Nanomedicines Bearing an Alkylating Cytostatic Drug from the Group of 1,3,5-Triazine Derivatives: Development and Characterization. Pharmaceutics 2022; 14:pharmaceutics14112506. [PMID: 36432699 PMCID: PMC9694467 DOI: 10.3390/pharmaceutics14112506] [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: 10/13/2022] [Revised: 11/15/2022] [Accepted: 11/16/2022] [Indexed: 11/22/2022] Open
Abstract
Cancer is still one of the major diseases worldwide. The discovery of new drugs and the improvement of existing ones is one of the areas of priority in the fight against cancer. Dioxadet ([5-[[4,6-bis(aziridin-1-yl)-1,3,5-triazin-2-yl]amino]-2,2-dimethyl-1,3-dioxan-5-yl]methanol) represents one of the promising 1,3,5-triazine derivatives and has cytostatic activity towards ovarian cancer. In this study, we first report the development of dioxadet-bearing nanomedicines based on block-copolymers of poly(ethylene glycol) monomethyl ether (mPEG) and poly(D,L-lactic acid) (PLA)/poly(ε-caprolactone) (PCL) and then conduct an investigation into their characteristics and properties. The preparation of narrow-sized nanoparticles with a hydrodynamic diameter of 100−120 nm was optimized using a nanoprecipitation approach. Thoughtful optimization of the preparation of nanomedicines was carried out through adjustments to the polymer’s molecular weight, the pH of the aqueous medium used for nanoprecipitation, the initial drug amount in respect to the polymer, and polymer concentration in the organic phase. Under optimized conditions, spherical-shaped nanomedicines with a hydrodynamic diameter of up to 230 nm (PDI < 0.2) containing up to 592 ± 22 μg of dioxadet per mg of polymer nanoparticles were prepared. Study of the drug’s release in a model medium revealed the release up to 64% and 46% of the drug after 8 days for mPEG-b-PLA and mPEG-b-PCL, respectively. Deep analysis of the release mechanisms was carried out with the use of a number of mathematical models. The developed nanoparticles were non-toxic towards both normal (CHO-K1) and cancer (A2780 and SK-OV-3) ovarian cells. A cell cycle study revealed lesser toxicity of nanomedicines towards normal cells and increased toxicity towards cancer cells. The IC50 values determined for dioxadet nanoformulations were in the range of 0.47−4.98 μg/mL for cancer cells, which is close to the free drug’s efficacy (2.60−4.14 μg/mL). The highest cytotoxic effect was found for dioxadet loaded to mPEG-b-PCL nanoparticles.
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Mehta S, Bongcaron V, Nguyen TK, Jirwanka Y, Maluenda A, Walsh APG, Palasubramaniam J, Hulett MD, Srivastava R, Bobik A, Wang X, Peter K. An Ultrasound-Responsive Theranostic Cyclodextrin-Loaded Nanoparticle for Multimodal Imaging and Therapy for Atherosclerosis. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2022; 18:e2200967. [PMID: 35710979 DOI: 10.1002/smll.202200967] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/14/2022] [Revised: 05/24/2022] [Indexed: 06/15/2023]
Abstract
Atherosclerosis is a major cause of mortality and morbidity worldwide. Left undiagnosed and untreated, atherosclerotic plaques can rupture and cause cardiovascular complications such as myocardial infarction and stroke. Atherosclerotic plaques are composed of lipids, including oxidized low-density lipoproteins and cholesterol crystals, and immune cells, including macrophages. 2-Hydroxypropyl-beta-cyclodextrin (CD) is FDA-approved for capturing, solubilizing, and delivering lipophilic drugs in humans. It is also known to dissolve cholesterol crystals and decrease atherosclerotic plaque size. However, its low retention time necessitates high dosages for successful therapy. This study reports CD delivery via air-trapped polybutylcyanoacrylate nanoparticles (with diameters of 388 ± 34 nm) loaded with CD (CDNPs). The multimodal contrast ability of these nanoparticles after being loaded with IR780 dye in mice is demonstrated using ultrasound and near-infrared imaging. It is shown that CDNPs enhance the cellular uptake of CD in murine cells. In an ApoE-/- mouse model of atherosclerosis, treatment with CDNPs significantly improves the anti-atherosclerotic efficacy of CD. Ultrasound triggering further improves CD uptake, highlighting that CDNPs can be used for ultrasound imaging and ultrasound-responsive CD delivery. Thus, CDNPs represent a theranostic nanocarrier for potential application in patients with atherosclerosis.
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Affiliation(s)
- Sourabh Mehta
- Atherothrombosis and Vascular Biology Laboratory, Baker Heart and Diabetes Institute, Melbourne, VIC, 3004, Australia
- Department of Biosciences and Bioengineering, Indian Institute of Technology Bombay, Powai, 400076, India
- Indian Institute of Technology Bombay - Monash Research Academy, Powai, 400076, India
- Department of Medicine, Monash University, Melbourne, VIC, 3004, Australia
| | - Viktoria Bongcaron
- Atherothrombosis and Vascular Biology Laboratory, Baker Heart and Diabetes Institute, Melbourne, VIC, 3004, Australia
- Molecular Imaging and Theranostics Laboratory, Baker Heart and Diabetes Institute, Melbourne, VIC, 3004, Australia
| | - Tien K Nguyen
- Department of Biochemistry and Chemistry, La Trobe Institute for Molecular Science, La Trobe University Melbourne, Melbourne, VIC, 3083, Australia
| | - Yugandhara Jirwanka
- Toxicology Division, National Institute for Research in Reproductive and Child Health, Parel, 400012, India
| | - Ana Maluenda
- Atherothrombosis and Vascular Biology Laboratory, Baker Heart and Diabetes Institute, Melbourne, VIC, 3004, Australia
| | - Aidan P G Walsh
- Atherothrombosis and Vascular Biology Laboratory, Baker Heart and Diabetes Institute, Melbourne, VIC, 3004, Australia
- Department of Medicine, Monash University, Melbourne, VIC, 3004, Australia
- Molecular Imaging and Theranostics Laboratory, Baker Heart and Diabetes Institute, Melbourne, VIC, 3004, Australia
| | - Jathushan Palasubramaniam
- Atherothrombosis and Vascular Biology Laboratory, Baker Heart and Diabetes Institute, Melbourne, VIC, 3004, Australia
- Department of Medicine, Monash University, Melbourne, VIC, 3004, Australia
- Molecular Imaging and Theranostics Laboratory, Baker Heart and Diabetes Institute, Melbourne, VIC, 3004, Australia
| | - Mark D Hulett
- Department of Biochemistry and Chemistry, La Trobe Institute for Molecular Science, La Trobe University Melbourne, Melbourne, VIC, 3083, Australia
| | - Rohit Srivastava
- Department of Biosciences and Bioengineering, Indian Institute of Technology Bombay, Powai, 400076, India
- Indian Institute of Technology Bombay - Monash Research Academy, Powai, 400076, India
| | - Alex Bobik
- Department of Immunology, Monash University, Melbourne, VIC, 3004, Australia
- Vascular Biology and Atherosclerosis Laboratory, Baker Heart and Diabetes Institute, Melbourne, VIC, 3004, Australia
| | - Xiaowei Wang
- Atherothrombosis and Vascular Biology Laboratory, Baker Heart and Diabetes Institute, Melbourne, VIC, 3004, Australia
- Department of Medicine, Monash University, Melbourne, VIC, 3004, Australia
- Molecular Imaging and Theranostics Laboratory, Baker Heart and Diabetes Institute, Melbourne, VIC, 3004, Australia
- Department of Physiology, Anatomy and Microbiology, La Trobe University, Melbourne, VIC, 3083, Australia
- Department of Cardiometabolic Health, University of Melbourne, Melbourne, VIC, 3052, Australia
| | - Karlheinz Peter
- Atherothrombosis and Vascular Biology Laboratory, Baker Heart and Diabetes Institute, Melbourne, VIC, 3004, Australia
- Department of Medicine, Monash University, Melbourne, VIC, 3004, Australia
- Department of Immunology, Monash University, Melbourne, VIC, 3004, Australia
- Department of Physiology, Anatomy and Microbiology, La Trobe University, Melbourne, VIC, 3083, Australia
- Department of Cardiometabolic Health, University of Melbourne, Melbourne, VIC, 3052, Australia
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Bazybek N, Wei Y, Ma G. Advances in encapsulating gonadotropin-releasing hormone agonists for controlled release: a review. J Microencapsul 2022; 39:452-466. [PMID: 35876729 DOI: 10.1080/02652048.2022.2100934] [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: 11/09/2022]
Abstract
Gonadotropin-releasing hormone (GnRH) agonists are peptides consisting of nine or ten amino acid residues. GnRH agonists have been applied in the therapy of sexual hormone disorders like prostate cancer, endometriosis, uterine myoma, central precious puberty, and in-vitro fertility. Treatment is achieved by continuous hormone intake and long-term agonists administration, which is usually associated with poor patient compliance. Because GnRH agonists that are administered with the parenteral route are broken down by peptidase, their half-life is short. As a result, developing sustained release for the drug delivery system is significant. Even though some drugs have been successfully delivered with long-acting release microspheres and approved by the Food and Drug Administration (FDA), some challenges remain. This review highlighted current approaches to encapsulate GnRH agonists into delivery systems and strategies encountered during the loading process. Moreover, the following sections provide strategies to improve the release profile, and animal and human studies were summarised.
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Affiliation(s)
- Nardana Bazybek
- State Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing, China.,University of Chinese Academy of Sciences, Beijing, China
| | - Yi Wei
- State Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing, China.,University of Chinese Academy of Sciences, Beijing, China
| | - Guanghui Ma
- State Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing, China.,University of Chinese Academy of Sciences, Beijing, China
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Díez-Tercero L, Delgado LM, Perez RA. Modulation of Macrophage Response by Copper and Magnesium Ions in Combination with Low Concentrations of Dexamethasone. Biomedicines 2022; 10:biomedicines10040764. [PMID: 35453514 PMCID: PMC9030383 DOI: 10.3390/biomedicines10040764] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2022] [Revised: 03/09/2022] [Accepted: 03/22/2022] [Indexed: 12/16/2022] Open
Abstract
Macrophages have been deemed crucial for correct tissue regeneration, which is a complex process with multiple overlapping phases, including inflammation. Previous studies have suggested that divalent ions are promising cues that can induce an anti-inflammatory response, since they are stable cues that can be released from biomaterials. However, their immunomodulatory potential is limited in a pro-inflammatory environment. Therefore, we investigated whether copper and magnesium ions combined with low concentrations of the anti-inflammatory drug, dexamethasone (dex), could have a synergistic effect in macrophage, with or without pro-inflammatory stimulus, in terms of morphology, metabolic activity and gene expression. Our results showed that the combination of copper and dex strongly decreased the expression of pro-inflammatory markers, while the combination with magnesium upregulated the expression of IL-10. Moreover, in the presence of a pro-inflammatory stimulus, the combination of copper and dex induced a strong TNF-α response, suggesting an impairment of the anti-inflammatory actions of dex. The combination of magnesium and dex in the presence of a pro-inflammatory stimulus did not promote any improvement in comparison to dex alone. The results obtained in this study could be relevant for tissue engineering applications and in the design of platforms with a dual release of divalent ions and small molecules.
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Affiliation(s)
- Leire Díez-Tercero
- Bioengineering Institute of Technology, Universitat Internacional de Catalunya, Sant Cugat del Vallès, 08195 Barcelona, Spain;
- Basic Science Department, Universitat Internacional de Catalunya, Sant Cugat del Vallès, 08195 Barcelona, Spain
| | - Luis M. Delgado
- Bioengineering Institute of Technology, Universitat Internacional de Catalunya, Sant Cugat del Vallès, 08195 Barcelona, Spain;
- Basic Science Department, Universitat Internacional de Catalunya, Sant Cugat del Vallès, 08195 Barcelona, Spain
- Correspondence: (L.M.D.); (R.A.P.); Tel.: +34-935042000 (L.M.D. & R.A.P.)
| | - Roman A. Perez
- Bioengineering Institute of Technology, Universitat Internacional de Catalunya, Sant Cugat del Vallès, 08195 Barcelona, Spain;
- Basic Science Department, Universitat Internacional de Catalunya, Sant Cugat del Vallès, 08195 Barcelona, Spain
- Correspondence: (L.M.D.); (R.A.P.); Tel.: +34-935042000 (L.M.D. & R.A.P.)
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Lim YW, Tan WS, Ho KL, Mariatulqabtiah AR, Abu Kasim NH, Abd. Rahman N, Wong TW, Chee CF. Challenges and Complications of Poly(lactic- co-glycolic acid)-Based Long-Acting Drug Product Development. Pharmaceutics 2022; 14:614. [PMID: 35335988 PMCID: PMC8955085 DOI: 10.3390/pharmaceutics14030614] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2022] [Accepted: 02/19/2022] [Indexed: 12/13/2022] Open
Abstract
Poly(lactic-co-glycolic acid) (PLGA) is one of the preferred polymeric inactive ingredients for long-acting parenteral drug products that are constituted of complex formulations. Despite over 30 years of use, there are still many challenges faced by researchers in formulation-related aspects pertaining to drug loading and release. Until now, PLGA-based complex generic drug products have not been successfully developed. The complexity in developing these generic drug products is not just due to their complex formulation, but also to the manufacturing process of the listed reference drugs that involve PLGA. The composition and product attributes of commercial PLGA formulations vary with the drugs and their intended applications. The lack of standard compendial methods for in vitro release studies hinders generic pharmaceutical companies in their efforts to develop PLGA-based complex generic drug products. In this review, we discuss the challenges faced in developing PLGA-based long-acting injectable/implantable (LAI) drug products; hurdles that are associated with drug loading and release that are dictated by the physicochemical properties of PLGA and product manufacturing processes. Approaches to overcome these challenges and hurdles are highlighted specifically with respect to drug encapsulation and release.
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Affiliation(s)
- Yi Wen Lim
- Department of Microbiology, Faculty of Biotechnology and Biomolecular Sciences, Universiti Putra Malaysia, Serdang 43400, Malaysia; (Y.W.L.); (W.S.T.)
| | - Wen Siang Tan
- Department of Microbiology, Faculty of Biotechnology and Biomolecular Sciences, Universiti Putra Malaysia, Serdang 43400, Malaysia; (Y.W.L.); (W.S.T.)
- Laboratory of Vaccines and Biomolecules, Institute of Bioscience, Universiti Putra Malaysia, Serdang 43400, Malaysia;
| | - Kok Lian Ho
- Department of Pathology, Faculty of Medicine and Health Sciences, Universiti Putra Malaysia, Serdang 43400, Malaysia;
| | - Abdul Razak Mariatulqabtiah
- Laboratory of Vaccines and Biomolecules, Institute of Bioscience, Universiti Putra Malaysia, Serdang 43400, Malaysia;
- Department of Cell and Molecular Biology, Faculty of Biotechnology and Biomolecular Sciences, Universiti Putra Malaysia, Serdang 43400, Malaysia
| | - Noor Hayaty Abu Kasim
- Faculty of Dentistry, Universiti Kebangsaan Malaysia, Jalan Raja Muda Abdul Aziz, Kuala Lumpur 50300, Malaysia;
| | | | - Tin Wui Wong
- Non-Destructive Biomedical and Pharmaceutical Research Centre, Smart Manufacturing Research Institute, Universiti Teknologi MARA, Puncak Alam 42300, Malaysia
| | - Chin Fei Chee
- Nanotechnology and Catalysis Research Centre, Universiti Malaya, Kuala Lumpur 50603, Malaysia
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Razmimanesh F, Sodeifian G. Investigation of temperature-responsive tocosomal nanocarriers as the efficient and robust drug delivery system for Sunitinib malate anti-cancer drug: Effects of MW and chain length of PNIPAAm on LCST and dissolution rate. J Pharm Sci 2021; 111:1937-1951. [PMID: 34963573 DOI: 10.1016/j.xphs.2021.12.022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2021] [Revised: 12/23/2021] [Accepted: 12/23/2021] [Indexed: 10/19/2022]
Abstract
In this study, for the first time, the coated tocosome by blend of chitosan, CS, and poly(N-isopropylacrylamide), PNIPAAm, was developed as the efficient and robust drug delivery system with improved drug encapsulation efficiency, extended stability, proper particle size and industrial upscaling for Sunitinib malate anti-cancer drug. Tocosome was synthesized by using Mozafari method as a scalable and robust method and without the need for organic solvents. The effects of tocosome composition and drug concentration on the stability, particle size of tocosome, zeta potential, encapsulation efficacy and loading of drug into it were investigated by Taguchi method, and optimum composition was selected for combining with the polymeric blend. Homopolymer of PNIPAAm was synthesized by two different polymerization methods, including free radical and reversible addition-fragmentation chain transfer (RAFT). Effects of molecular weight (MW) and chain length of the polymers on lower critical solution temperature (LCST) were examined. The developed nanocarrier in this research, CS-Raft-PNIPAAm-tocosome, indicated LCST value beyond 37°C (about 45°C) and this is suitable for hyperthermia and spatio-temporal release of drug particles.
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Affiliation(s)
- Fariba Razmimanesh
- Department of Chemical Engineering, Faculty of Engineering, University of Kashan, 87317-53153, Kashan, Iran; Laboratory of Supercriritcal Fluids and Nanotechnology, University of Kashan, 87317-53153, Kashan, Iran; Biotechnology Centre, Faculty of Engineering, University of Kashan, 87317-53153, Kashan, Iran
| | - Gholamhossein Sodeifian
- Department of Chemical Engineering, Faculty of Engineering, University of Kashan, 87317-53153, Kashan, Iran; Laboratory of Supercriritcal Fluids and Nanotechnology, University of Kashan, 87317-53153, Kashan, Iran; Biotechnology Centre, Faculty of Engineering, University of Kashan, 87317-53153, Kashan, Iran.
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Ko NR, Lee SJ, Chandrasekaran AP, Tyagi A, Ramakrishna S, Kim SY, Kim DW, Pack CG, Oh SJ. Smart Vitamin Micelles as Cancer Nanomedicines for Enhanced Intracellular Delivery of Doxorubicin. Int J Mol Sci 2021; 22:ijms222011298. [PMID: 34681958 PMCID: PMC8538907 DOI: 10.3390/ijms222011298] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2021] [Revised: 10/09/2021] [Accepted: 10/18/2021] [Indexed: 01/26/2023] Open
Abstract
Chemotherapy is one of the most effective treatments for cancer. However, intracellular delivery of many anticancer drugs is hindered by their hydrophobicity and low molecular weight. Here, we describe highly biocompatible and biodegradable amphiphilic vitamin conjugates comprising hydrophobic vitamin E and hydrophilic vitamin B labeled with dual pH and glutathione-responsive degradable linkages. Vitamin-based micelles (vitamicelles), formed by self-assembly in aqueous solutions, were optimized based on their stability after encapsulation of doxorubicin (DOX). The resulting vitamicelles have great potential as vehicles for anticancer drugs because they show excellent biocompatibility (>94% after 48 h of incubation) and rapid biodegradability (>90% after 2.5 h). Compared with free DOX, DOX-loaded vitamicelles showed a markedly enhanced anticancer effect as they released the drug rapidly and inhibited drug efflux out of cells efficiently. By exploiting these advantages, this study not only provides a promising strategy for circumventing existing challenges regarding the delivery of anticancer drugs but also extends the utility of current DOX-induced chemotherapy.
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Affiliation(s)
- Na Re Ko
- Biomedical Research Center, Asan Institute for Life Sciences, Asan Medical Center, 88 Olympic-ro 43-gil, Songpa-gu, Seoul 05505, Korea; (N.R.K.); (D.W.K.)
- Department of Nuclear Medicine, Asan Medical Center, University of Ulsan College of Medicine, 88 Olympic-ro 43-gil, Songpa-gu, Seoul 05505, Korea;
| | - Sang Ju Lee
- Department of Nuclear Medicine, Asan Medical Center, University of Ulsan College of Medicine, 88 Olympic-ro 43-gil, Songpa-gu, Seoul 05505, Korea;
| | - Arun Pandian Chandrasekaran
- Graduate School of Biomedical Science and Engineering, Hanyang University, 222 Wangsimni-ro, Seongdong-gu, Seoul 04763, Korea; (A.P.C.); (A.T.); (S.R.)
| | - Apoorvi Tyagi
- Graduate School of Biomedical Science and Engineering, Hanyang University, 222 Wangsimni-ro, Seongdong-gu, Seoul 04763, Korea; (A.P.C.); (A.T.); (S.R.)
| | - Suresh Ramakrishna
- Graduate School of Biomedical Science and Engineering, Hanyang University, 222 Wangsimni-ro, Seongdong-gu, Seoul 04763, Korea; (A.P.C.); (A.T.); (S.R.)
- College of Medicine, Hanyang University, 222 Wangsimni-ro, Seongdong-gu, Seoul 04763, Korea
| | - Seog-Young Kim
- Department of Convergence Medicine, University of Ulsan College of Medicine, 88 Olympic-ro 43-gil, Songpa-gu, Seoul 05505, Korea; (S.-Y.K.); (C.-G.P.)
| | - Do Won Kim
- Biomedical Research Center, Asan Institute for Life Sciences, Asan Medical Center, 88 Olympic-ro 43-gil, Songpa-gu, Seoul 05505, Korea; (N.R.K.); (D.W.K.)
| | - Chan-Gi Pack
- Department of Convergence Medicine, University of Ulsan College of Medicine, 88 Olympic-ro 43-gil, Songpa-gu, Seoul 05505, Korea; (S.-Y.K.); (C.-G.P.)
| | - Seung Jun Oh
- Department of Nuclear Medicine, Asan Medical Center, University of Ulsan College of Medicine, 88 Olympic-ro 43-gil, Songpa-gu, Seoul 05505, Korea;
- Correspondence:
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Pillai SC, Borah A, Le MNT, Kawano H, Hasegawa K, Kumar DS. Co-Delivery of Curcumin and Bioperine via PLGA Nanoparticles to Prevent Atherosclerotic Foam Cell Formation. Pharmaceutics 2021; 13:pharmaceutics13091420. [PMID: 34575496 PMCID: PMC8468720 DOI: 10.3390/pharmaceutics13091420] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2021] [Revised: 08/20/2021] [Accepted: 09/03/2021] [Indexed: 12/12/2022] Open
Abstract
Cholesterol-rich arterial plaques characterize atherosclerosis, a significant cause of heart disease. Nutraceuticals have received attention over the years, demonstrating potential benefits towards treating and preventing cardiovascular diseases (CVD), including atherosclerosis. Curcumin, a potent polyphenol present in Curcuma longa, has shown remarkable anti-atherosclerotic activity via anti-inflammatory and anti-oxidative properties. The bioavailability and low water solubility of curcumin limit its clinical translational purposes. These issues can be circumvented effectively by nano-drug delivery systems that can target atherosclerotic plaque sites. In this work, we chose to use curcumin and a natural bioenhancer called Bioperine (derived from Piper nigrum) inside a polymeric nano-drug delivery system for targeting atherosclerotic plaque sites. We selected two different ratios of curcumin:Bioperine to study its comparative effect on the inhibition of oxidized low-density lipoprotein (Ox-LDL)-induced foam cell formation. Our studies demonstrated that Cur-Bio PLGA NPs (both ratios) maintained the cell viability in THP-1 monocyte-derived macrophages above 80% at all periods. The 1:0.2:10 ratio of Cur-Bio PLGA NPs at a concentration of 250 μg/mL illustrated an enhanced reduction in the relative cholesterol content in the THP-1-derived foam cells compared to the 1:1:10 ratio. Confocal microscopy analysis also revealed a reduction in macrophage-mediated foam cell formation when administered with both the ratios of Cur-Bio PLGA NPs. Relative fold change in the mRNA expression of the genes involved in the inflammatory pathways in the atherosclerotic process downregulated NF-κB, CCL2/MCP-1, CD-36, and STAT-3 activity while upregulating the SCAR-B1 expression when treated with the Cur-Bio PLGA NPs. This study thus highlights the importance of natural-based compounds towards the therapeutic intervention against atherosclerotic activity when administered as preventive medicine.
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Affiliation(s)
- Sindhu C. Pillai
- Bio-Nano Electronics Research Centre, Graduate School of Interdisciplinary Science, Toyo University, 2100, Kujirai, Saitama, Kawagoe 350-8585, Japan; (S.C.P.); (A.B.)
| | - Ankita Borah
- Bio-Nano Electronics Research Centre, Graduate School of Interdisciplinary Science, Toyo University, 2100, Kujirai, Saitama, Kawagoe 350-8585, Japan; (S.C.P.); (A.B.)
| | - Minh Nguyen Tuyet Le
- Institute for Integrated Cell-Material Sciences (iCeMS), Kyoto University, Kyoto 606-8302, Japan; (M.N.T.L.); (H.K.); (K.H.)
| | - Hiroaki Kawano
- Institute for Integrated Cell-Material Sciences (iCeMS), Kyoto University, Kyoto 606-8302, Japan; (M.N.T.L.); (H.K.); (K.H.)
| | - Kouichi Hasegawa
- Institute for Integrated Cell-Material Sciences (iCeMS), Kyoto University, Kyoto 606-8302, Japan; (M.N.T.L.); (H.K.); (K.H.)
| | - D. Sakthi Kumar
- Bio-Nano Electronics Research Centre, Graduate School of Interdisciplinary Science, Toyo University, 2100, Kujirai, Saitama, Kawagoe 350-8585, Japan; (S.C.P.); (A.B.)
- Correspondence: ; Tel.: +81-(0)492-39-1636/1375 or +81-(0)90-9964-7605; Fax: +81-(0)366-77-1140
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12
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Alavi M, Webster TJ. Recent progress and challenges for polymeric microsphere compared to nanosphere drug release systems: Is there a real difference? Bioorg Med Chem 2021; 33:116028. [PMID: 33508639 DOI: 10.1016/j.bmc.2021.116028] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2020] [Revised: 01/06/2021] [Accepted: 01/11/2021] [Indexed: 12/22/2022]
Abstract
Polymeric microspheres (MSs) and nanospheres (NSs) composed of synthetic and natural polymers can encapsulate anticancer drugs, among other therapeutics, acting as drug carriers to release them at controlled rates over long periods of time. These carriers present several potential advantages including simple preparation methods, suitable control over the sustained release of medications or stem cells, triggered release resulting from stimulus-responsive delivery, improved physical properties such as porosity and stable scaffolds for tissue engineering, and possible applications as microreactors and nanoreactors compared to conventional drug delivery systems. Moreover, many of these factors can impact drug release rates by polymeric MSs and NSs. Herein, drug delivery systems based on polymeric MSs and NSs are described and compared according to recent advances and challenges, and poignant thoughts on what the field needs to progress are presented.
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Affiliation(s)
- Mehran Alavi
- Nanobiotechnology Laboratory, Biology Department, Faculty of Science, Razi University, Iran.
| | - Thomas J Webster
- Department of Chemical Engineering, Northeastern University, Boston, USA
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13
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Ramirez JC, Flores-Villaseñor SE, Vargas-Reyes E, Herrera-Ordonez J, Torres-Rincón S, Peralta-Rodríguez RD. Preparation of PDLLA and PLGA nanoparticles stabilized with PVA and a PVA-SDS mixture: Studies on particle size, degradation and drug release. J Drug Deliv Sci Technol 2020. [DOI: 10.1016/j.jddst.2020.101907] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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14
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Wang S, Feng X, Liu P, Wei Y, Xiao B. Blending of PLGA-PEG-PLGA for Improving the Erosion and Drug Release Profile of PCL Microspheres. Curr Pharm Biotechnol 2020; 21:1079-1087. [PMID: 31893987 DOI: 10.2174/1389201021666200101104116] [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: 09/11/2019] [Revised: 12/10/2019] [Accepted: 12/26/2019] [Indexed: 11/22/2022]
Abstract
BACKGROUND PCL has a long history as an industrialized biomaterial for preparing microspheres, but its hydrophobic property and slow degradation rate often cause drug degeneration, quite slow drug release rate and undesirable tri-phasic release profile. MATERIALS AND METHODS In this study, we used the blending material of PLGA-PEG-PLGA and PCL to prepare microspheres. The microspheres degradation and drug release behaviors were evaluated through their molecular weight reduction rate, mass loss rate, morphology erosion and drug release profile. The hydrophilic PLGA-PEG-PLGA is expected to improve the degradation and drug release behaviors of PCL microspheres. RESULTS Microspheres in blending materials exhibited faster erosion rates than pure PCL microspheres, forming holes much quickly on the particle's surface for the drug to diffuse out. A higher proportion of PLGA-PEG-PLGA caused faster degradation and erosion rates. The blending microspheres showed much faster drug release rates than pure PCL microspheres. CONCLUSION With blending of 25wt% PLGA-PEG-PLGA, the release rate of microspheres speeded up significantly, while, with a further increase of PLGA-PEG-PLGA proportion (50%, 75%, 100%), it accelerated a little. The microspheres with PCL/PLGA-PEG-PLGA of 1/1 exhibited a linear-like drug release profile. The results could be a guideline for preparing microspheres based on blending materials to obtain a desirable release.
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Affiliation(s)
- Siyuan Wang
- Department of Orthopaedics, Liyuan Hospital, Tongji Medical College, Huazhong University of Science and Technology (HUST), Wuhan 430077, China
| | - Xiaobo Feng
- Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology (HUST), Wuhan 430022, China
| | - Ping Liu
- Department of Orthopaedics, Liyuan Hospital, Tongji Medical College, Huazhong University of Science and Technology (HUST), Wuhan 430077, China
| | - Youxiu Wei
- Department of Orthopaedics, Liyuan Hospital, Tongji Medical College, Huazhong University of Science and Technology (HUST), Wuhan 430077, China
| | - Baojun Xiao
- Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology (HUST), Wuhan 430022, China
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15
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Abbasi S, Sato Y, Kajimoto K, Harashima H. New Design Strategies for Controlling the Rate of Hydrophobic Drug Release from Nanoemulsions in Blood Circulation. Mol Pharm 2020; 17:3773-3782. [DOI: 10.1021/acs.molpharmaceut.0c00542] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Affiliation(s)
- Saed Abbasi
- Innovation Center of NanoMedicine (iCONM), Kawasaki Institute of Industrial Promotion, Tonomachi 3-25-14, Kawasaki 210-0821, Japan
| | - Yusuke Sato
- Faculty of Pharmaceutical Sciences, Hokkaido University, Kita 12, Nishi 6, Kita-ku, Sapporo 060 0812, Hokkaido, Japan
| | - Kazuaki Kajimoto
- Health Research Institute, National Institute of Advanced Industrial Science and Technology, 2217-14 Hayashi-cho, Takamatsu 761-0395, Kagawa, Japan
| | - Hideyoshi Harashima
- Faculty of Pharmaceutical Sciences, Hokkaido University, Kita 12, Nishi 6, Kita-ku, Sapporo 060 0812, Hokkaido, Japan
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16
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Qi R, Pan Y, Cao J, Jia Z, Jiang J. The cytotoxicity of nanomaterials: Modeling multiple human cells uptake of functionalized magneto-fluorescent nanoparticles via nano-QSAR. CHEMOSPHERE 2020; 249:126175. [PMID: 32078856 DOI: 10.1016/j.chemosphere.2020.126175] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/02/2019] [Revised: 02/04/2020] [Accepted: 02/09/2020] [Indexed: 06/10/2023]
Abstract
The vast majority of nanomaterials have attracted an upsurge of interest since their discovery and considerable researches are being carried out about their adverse outcomes for human health and the environment. In this study, two regression-based quantitative structure-activity relationship models for nanoparticles (nano-QSAR) were established to predict the cellular uptakes of 109 functionalized magneto-fluorescent nanoparticles to pancreatic cancer cells (PaCa2) and human umbilical vein endothelial cells (HUVEC) lines, respectively. The improved SMILES-based optimal descriptors encoded with certain easily available physicochemical properties were proposed to describe the molecular structure characteristics of the involved nanoparticles, and the Monte Carlo method was used for calculating the improved SMILES-based optimal descriptors. Both developed nano-QSAR models for cellular uptake prediction provided satisfactory statistical results, with the squared correlation coefficient (R2) being 0.852 and 0.905 for training sets, and 0.822 and 0.885 for test sets, respectively. Both models were rigorously validated and further extensively compared to literature models. Predominant physicochemical features responsible for cellular uptake were identified by model interpretation. The proposed models could be reasonably expected to provide guidance for synthesizing or choosing safer, more suitable surface modifiers of desired properties prior to their biomedical applications.
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Affiliation(s)
- Ronghua Qi
- Jiangsu Key Laboratory of Hazardous Chemicals Safety and Control, College of Safety Science and Engineering, Nanjing Tech University, Nanjing, 210009, China
| | - Yong Pan
- Jiangsu Key Laboratory of Hazardous Chemicals Safety and Control, College of Safety Science and Engineering, Nanjing Tech University, Nanjing, 210009, China.
| | - Jiakai Cao
- Jiangsu Key Laboratory of Hazardous Chemicals Safety and Control, College of Safety Science and Engineering, Nanjing Tech University, Nanjing, 210009, China
| | - Zhenhua Jia
- Institute of Advanced Synthesis, School of Chemistry and Molecular Engineering, Nanjing Tech University, Nanjing, 210009, China
| | - Juncheng Jiang
- Jiangsu Key Laboratory of Hazardous Chemicals Safety and Control, College of Safety Science and Engineering, Nanjing Tech University, Nanjing, 210009, China
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17
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Le MQ, Gimel JC, Garric X, Nguyen-Pham TQ, Paniagua C, Riou J, Venier-Julienne MC. Modulation of protein release from penta-block copolymer microspheres. Eur J Pharm Biopharm 2020; 152:175-182. [PMID: 32416135 DOI: 10.1016/j.ejpb.2020.05.009] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2020] [Revised: 05/09/2020] [Accepted: 05/10/2020] [Indexed: 01/17/2023]
Abstract
Releasing a protein according to a zero-order profile without protein denaturation during the polymeric microparticle degradation process is very challenging. The aim of the current study was to develop protein-loaded microspheres with new PLGA based penta-block copolymers for a linear sustained protein release. Lysozyme was chosen as model protein and 40 µm microspheres were prepared using the solid-in-oil-in-water solvent extraction/evaporation process. Two types of PLGA-P188-PLGA penta-block copolymers were synthetized with two PLGA-segments molecular weight (20 kDa or 40 kDa). The resulting microspheres (50P20-MS and 50P40-MS) had the same size, an encapsulation efficiency around 50-60% but different porosities. Their protein release profiles were complementary: linear but non complete for 50P40-MS, non linear but complete for 50P20-MS. Two strategies, polymer blending and microsphere mixing, were considered to match the release to the desired profile. The (1:1) microsphere mixture was successful. It induced a bi-phasic release with a moderate initial burst (around 13%) followed by a nearly complete linear release for 8 weeks. This study highlighted the potential of this penta-block polymer where the PEO block mass ratio influence clearly the Tg and consequently the microsphere structure and the release behavior at 37 °C. The (1:1) mixture was a starting point but could be finely tuned to control the protein release.
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Affiliation(s)
- Minh-Quan Le
- Micro et Nanomedecines Translationnelles, MINT, UNIV Angers, UMR INSERM 1066, UMR CNRS 6021, Angers, France
| | - Jean-Christophe Gimel
- Micro et Nanomedecines Translationnelles, MINT, UNIV Angers, UMR INSERM 1066, UMR CNRS 6021, Angers, France
| | - Xavier Garric
- Institut des Biomolécules Max Mousseron (IBMM), UMR 5247, CNRS, Université Montpellier, ENSCM, Montpellier, France
| | - Thao-Quyen Nguyen-Pham
- Micro et Nanomedecines Translationnelles, MINT, UNIV Angers, UMR INSERM 1066, UMR CNRS 6021, Angers, France
| | - Cédric Paniagua
- Institut des Biomolécules Max Mousseron (IBMM), UMR 5247, CNRS, Université Montpellier, ENSCM, Montpellier, France
| | - Jérémie Riou
- Micro et Nanomedecines Translationnelles, MINT, UNIV Angers, UMR INSERM 1066, UMR CNRS 6021, Angers, France; Methodology and Biostatistics Department, Delegation to Clinical Research and Innovation, Angers University Hospital, 49100 Angers, France
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18
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Gupta PK, Gupta S, Pappuru S, Chabattula SC, Chakraborty D, Verma RS. Enhancing the anti-cancer therapeutic efficacy by optimizing molecular weight of metal-free fully alternating semi-aromatic polyester as nano-drug carriers. J Drug Deliv Sci Technol 2019. [DOI: 10.1016/j.jddst.2019.02.022] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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19
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Seonwoo H, Kim SW, Shin B, Jang KJ, Lee M, Choo OS, Choi MJ, Kim J, Lim KT, Jang JH, Chung JH, Choung YH. Latent stem cell-stimulating therapy for regeneration of chronic tympanic membrane perforations using IGFBP2-releasing chitosan patch scaffolds. J Biomater Appl 2019; 34:198-207. [PMID: 31060420 DOI: 10.1177/0885328219845082] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Affiliation(s)
- Hoon Seonwoo
- 1 Department of Industrial Machinery Engineering, College of Life Sciences and Natural Resources, Sunchon National University, Suncheon, Republic of Korea
| | - Seung Won Kim
- 2 Department of Burns and Plastic Surgery, Affiliated Hospital of Yanbian University, Yanji, Jilin, P. R. China
| | - Beomyong Shin
- 3 Department of Biomedical Sciences, BK21 Plus Research Center for Biomedical Sciences, Ajou University Graduate School of Medicine, Suwon, Republic of Korea
| | - Kyoung-Je Jang
- 4 Department of Biosystems & Biomaterials Science and Engineering, Seoul National University, Seoul, Republic of Korea
| | - Myungchul Lee
- 4 Department of Biosystems & Biomaterials Science and Engineering, Seoul National University, Seoul, Republic of Korea
| | - Oak-Sung Choo
- 5 Department of Otolaryngology, Ajou University School of Medicine, Suwon, Republic of Korea.,6 Department of Medical Sciences, Ajou University Graduate School of Medicine, Suwon, Republic of Korea
| | - Mi-Jin Choi
- 3 Department of Biomedical Sciences, BK21 Plus Research Center for Biomedical Sciences, Ajou University Graduate School of Medicine, Suwon, Republic of Korea
| | - Jangho Kim
- 7 Department of Rural and Biosystems Engineering, Chonnam National University, Gwangju, Republic of Korea
| | - Ki-Taek Lim
- 8 Department of Biosystems Engineering, College of Agricultural and Life Sciences, Kangwon National University, Chuncheon, Republic of Korea
| | - Jeong Hun Jang
- 5 Department of Otolaryngology, Ajou University School of Medicine, Suwon, Republic of Korea
| | - Jong Hoon Chung
- 4 Department of Biosystems & Biomaterials Science and Engineering, Seoul National University, Seoul, Republic of Korea.,9 Research Institute of Agriculture and Life Sciences, Seoul National University, Seoul, Republic of Korea
| | - Yun-Hoon Choung
- 3 Department of Biomedical Sciences, BK21 Plus Research Center for Biomedical Sciences, Ajou University Graduate School of Medicine, Suwon, Republic of Korea.,5 Department of Otolaryngology, Ajou University School of Medicine, Suwon, Republic of Korea.,6 Department of Medical Sciences, Ajou University Graduate School of Medicine, Suwon, Republic of Korea
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20
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Srikar G, Rani AP. Study on influence of polymer and surfactant on in vitro performance of biodegradable aqueous-core nanocapsules of tenofovirdisoproxil fumarate by response surface methodology. BRAZ J PHARM SCI 2019. [DOI: 10.1590/s2175-97902019000118736] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Affiliation(s)
- Grandhi Srikar
- Jawaharlal Nehru Technological University Kakinada, India; Acharya Nagarjuna University, India
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21
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Composite Hydrogels with the Simultaneous Release of VEGF and MCP-1 for Enhancing Angiogenesis for Bone Tissue Engineering Applications. APPLIED SCIENCES-BASEL 2018. [DOI: 10.3390/app8122438] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Rapid new microvascular network induction was critical for bone regeneration, which required the spatiotemporal delivery of growth factors and transplantation of endothelial cells. In this study, the linear poly(d,l-lactic-co-glycolic acid)-b-methoxy poly(ethylene glycol) (PLGA-mPEG) block copolymer microspheres were prepared for simultaneously delivering vascular endothelial growth factor (VEGF) and monocyte chemotactic protein-1 (MCP-1). Then, vascular endothelial cells (VECs) with growth factor loaded microspheres were composited into a star-shaped PLGA-mPEG block copolymer solution. After this, composite hydrogel (microspheres ratio: 5 wt%) was formed by increasing the temperature to 37 °C. The release profiles of VEGF and MCP-1 from composite hydrogels in 30 days were investigated to confirm the different simultaneous delivery systems. The VECs exhibited a good proliferation in the composite hydrogels, which proved that the composite hydrogels had a good cytocompatibility. Furthermore, in vivo animal experiments showed that the vessel density and the mean vessel diameters increased over weeks after the composite hydrogels were implanted into the necrosis site of the rabbit femoral head. The above results suggested that the VECs-laden hydrogel composited with the dual-growth factor simultaneous release system has the potential to enhance angiogenesis in bone tissue engineering.
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22
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Penta-block copolymer microspheres: Impact of polymer characteristics and process parameters on protein release. Int J Pharm 2018; 535:428-437. [DOI: 10.1016/j.ijpharm.2017.11.033] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2017] [Revised: 11/14/2017] [Accepted: 11/16/2017] [Indexed: 12/12/2022]
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23
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Rodrigues de Azevedo C, von Stosch M, Costa MS, Ramos A, Cardoso MM, Danhier F, Préat V, Oliveira R. Modeling of the burst release from PLGA micro- and nanoparticles as function of physicochemical parameters and formulation characteristics. Int J Pharm 2017; 532:229-240. [DOI: 10.1016/j.ijpharm.2017.08.118] [Citation(s) in RCA: 57] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2017] [Revised: 08/22/2017] [Accepted: 08/24/2017] [Indexed: 10/18/2022]
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24
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Salehi-Nik N, Malaie-Balasi Z, Amoabediny G, Banikarimi SP, Zandieh-Doulabi B, Klein-Nulend J. Sustained release of growth hormone and sodium nitrite from biomimetic collagen coating immobilized on silicone tubes improves endothelialization. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2017; 77:1204-1215. [PMID: 28531997 DOI: 10.1016/j.msec.2017.03.172] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/19/2016] [Revised: 12/28/2016] [Accepted: 03/20/2017] [Indexed: 10/19/2022]
Abstract
Biocompatibility of biomedical devices can be improved by endothelialization of blood-contacting parts mimicking the vascular endothelium's function. Improved endothelialization might be obtained by using biomimetic coatings that allow local sustained release of biologically active molecules, e.g. anti-thrombotic and growth-inducing agents, from nanoliposomes. We aimed to test whether incorporation of growth-inducing nanoliposomal growth hormone (nGH) and anti-thrombotic nanoliposomal sodium nitrite (nNitrite) into collagen coating of silicone tubes enhances endothelialization by stimulating endothelial cell proliferation and inhibiting platelet adhesion. Collagen coating stably immobilized on acrylic acid-grafted silicone tubes decreased the water contact angle from 102° to 56°. Incorporation of 50 or 500nmol/ml nNitrite and 100 or 1000ng/ml nGH into collagen coating decreased the water contact angle further to 48°. After 120h incubation, 58% nitrite and 22% GH of the initial amount of sodium nitrite and GH in nanoliposomes were gradually released from the nNitrite-nGH-collagen coating. Endothelial cell number was increased after surface coating of silicone tubes with collagen by 1.6-fold, and with nNitrite-nGH-collagen conjugate by 1.8-3.9-fold after 2days. After 6days, endothelial cell confluency in the absence of surface coating was 22%, with collagen coating 74%, and with nNitrite-nGH-collagen conjugate coating 83-119%. In the absence of endothelial cells, platelet adhesion was stimulated after collagen coating by 1.3-fold, but inhibited after nNitrite-nGH-collagen conjugate coating by 1.6-3.7-fold. The release of anti-thrombotic prostaglandin I2 from endothelial cells was stimulated after nNitrite-nGH-collagen conjugate coating by 1.7-2.2-fold compared with collagen coating. Our data shows improved endothelialization and blood compatibility using nNitrite-nGH-collagen conjugate coating on silicone tubes suggesting that these coatings are highly suitable for use in blood-contacting parts of biomedical devices.
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Affiliation(s)
- Nasim Salehi-Nik
- School of Chemical Engineering, College of Engineering, University of Tehran,111554563, Enqelab Avenue, Tehran, Iran; Department of Oral Cell Biology, Academic Centre for Dentistry Amsterdam, University of Amsterdam and VU University Amsterdam, MOVE Research Institute Amsterdam, Gustav Mahlerlaan 3008, 1081 LA Amsterdam, The Netherlands; Department of Tissue Engineering, School of Advanced Technologies in Medicine, Shahid Beheshti University of Medical Sciences, 1985717443, Velenjak, Shahid Chamran Highway, Tehran, Iran.
| | - Zahra Malaie-Balasi
- Research Center for New Technologies in Life Science Engineering, University of Tehran,143951374, Enqelab Avenue, Tehran, Iran.
| | - Ghassem Amoabediny
- School of Chemical Engineering, College of Engineering, University of Tehran,111554563, Enqelab Avenue, Tehran, Iran; Research Center for New Technologies in Life Science Engineering, University of Tehran,143951374, Enqelab Avenue, Tehran, Iran.
| | - Seyedeh Parnian Banikarimi
- School of Chemical Engineering, College of Engineering, University of Tehran,111554563, Enqelab Avenue, Tehran, Iran; Research Center for New Technologies in Life Science Engineering, University of Tehran,143951374, Enqelab Avenue, Tehran, Iran.
| | - Behrouz Zandieh-Doulabi
- Department of Oral Cell Biology, Academic Centre for Dentistry Amsterdam, University of Amsterdam and VU University Amsterdam, MOVE Research Institute Amsterdam, Gustav Mahlerlaan 3008, 1081 LA Amsterdam, The Netherlands; Department of Tissue Engineering, School of Advanced Technologies in Medicine, Shahid Beheshti University of Medical Sciences, 1985717443, Velenjak, Shahid Chamran Highway, Tehran, Iran.
| | - Jenneke Klein-Nulend
- Department of Oral Cell Biology, Academic Centre for Dentistry Amsterdam, University of Amsterdam and VU University Amsterdam, MOVE Research Institute Amsterdam, Gustav Mahlerlaan 3008, 1081 LA Amsterdam, The Netherlands; Department of Tissue Engineering, School of Advanced Technologies in Medicine, Shahid Beheshti University of Medical Sciences, 1985717443, Velenjak, Shahid Chamran Highway, Tehran, Iran.
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25
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Liu G, Chen S, Fang J, Xu B, Li S, Hao Y, Al-Dhabi NA, Deng S, Duraipandiyan V. Vancomycin microspheres reduce postoperative spine infection in an in vivo rabbit model. BMC Pharmacol Toxicol 2016; 17:61. [PMID: 27899142 PMCID: PMC5129598 DOI: 10.1186/s40360-016-0105-6] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2016] [Accepted: 11/19/2016] [Indexed: 01/23/2023] Open
Abstract
Background Surgical site infections are common and devastating complications after implants related surgeries. Staphylococcus aureus contamination is a leading cause of surgical site infections. This study aims at assessing the effect of vancomycin microspheres on reducing Staphylococcus aureus infection in an in vivo rabbit model. Methods Sixty surgical sites of 20 New Zealand White rabbits underwent spinal implant were randomly divided to three groups: the control group, the vancomycin group and vancomycin microspheres group. The surgical sites were incubated with 100 μl 1 × 107 CFU S. aureus ATCC 25923. Prior to closure, vancomycin and vancomycin microspheres were placed into the wounds of the rabbits in the vancomycin group and the vancomycin microspheres group, respectively. The rabbits were killed on postoperative day 7. Standard quantification techniques were used to analyze biomaterial centered and soft tissue bacterial growth. The bacteria were further confirmed by PCR with primers from the thermostable nuclease gene of S. aureus. Results All the rabbits survived the surgery and no postoperative wound complications or systemic illness occurred. Results showed that the bacterial cultures were 76.9, 30.8, and 15.4% in the control group, vancomycin group, and vancomycin microspheres group. Vancomycin microspheres treatments significantly decreased the infection rate compared to the control group (p < 0.05). Conclusion Vancomycin microspheres combined with preoperative ceftriaxone is effective to reduce postoperative S. aureus infection compared with the control group.
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Affiliation(s)
- Gang Liu
- Tianjin Hospital, Jiefangnan Road 406, Tianjin, 300210, China.,Tianjin Medical University, Qixiangtai Road 22, Tianjin, 300070, China
| | - Si Chen
- Tianjin Hospital, Jiefangnan Road 406, Tianjin, 300210, China.,Tianjin Medical University, Qixiangtai Road 22, Tianjin, 300070, China
| | - Jun Fang
- College of bioscience and biotechnology, Hunan Agricultural University, Changsha, Hunan, 410128, China
| | - Baoshan Xu
- Tianjin Hospital, Jiefangnan Road 406, Tianjin, 300210, China.,Tianjin Medical University, Qixiangtai Road 22, Tianjin, 300070, China
| | - Shuang Li
- Tianjin Hospital, Jiefangnan Road 406, Tianjin, 300210, China
| | - Yonghong Hao
- Tianjin Hospital, Jiefangnan Road 406, Tianjin, 300210, China
| | - Naif A Al-Dhabi
- Department of Botany and Microbiology, Addiriyah Chair for Environmental Studies, College of Science, King Saud University, P.O.Box.2455, Riyadh, 11451, Saudi Arabia
| | - Shucai Deng
- Tianjin Hospital, Jiefangnan Road 406, Tianjin, 300210, China. .,Tianjin Medical University, Qixiangtai Road 22, Tianjin, 300070, China.
| | - Veeramuthu Duraipandiyan
- Department of Botany and Microbiology, Addiriyah Chair for Environmental Studies, College of Science, King Saud University, P.O.Box.2455, Riyadh, 11451, Saudi Arabia
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Ji Y, Lesniak AK, Prudic A, Paus R, Sadowski G. Drug Release Kinetics and Mechanism from PLGA Formulations. AIChE J 2016. [DOI: 10.1002/aic.15282] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Affiliation(s)
- Yuanhui Ji
- TU Dortmund, Dept. of Biochemical and Chemical Engineering, Laboratory of Thermodynamics; Emil-Figge-Str. 70 D-44227 Dortmund Germany
| | - Anna Katharina Lesniak
- TU Dortmund, Dept. of Biochemical and Chemical Engineering, Laboratory of Thermodynamics; Emil-Figge-Str. 70 D-44227 Dortmund Germany
| | - Anke Prudic
- TU Dortmund, Dept. of Biochemical and Chemical Engineering, Laboratory of Thermodynamics; Emil-Figge-Str. 70 D-44227 Dortmund Germany
| | - Raphael Paus
- TU Dortmund, Dept. of Biochemical and Chemical Engineering, Laboratory of Thermodynamics; Emil-Figge-Str. 70 D-44227 Dortmund Germany
| | - Gabriele Sadowski
- TU Dortmund, Dept. of Biochemical and Chemical Engineering, Laboratory of Thermodynamics; Emil-Figge-Str. 70 D-44227 Dortmund Germany
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