1
|
Łysik D, Mystkowska J, Markiewicz G, Deptuła P, Bucki R. The Influence of Mucin-Based Artificial Saliva on Properties of Polycaprolactone and Polylactide. Polymers (Basel) 2019; 11:E1880. [PMID: 31739431 PMCID: PMC6918373 DOI: 10.3390/polym11111880] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2019] [Revised: 11/11/2019] [Accepted: 11/13/2019] [Indexed: 01/01/2023] Open
Abstract
Polycaprolactone (PCL) and polylactide (PLA) are the two most common biodegradable polymers with potential use in oral applications. Both polymers undergo mainly slow hydrolytic degradation in the human body. However, specific conditions of the oral cavity, like elevated temperature, low pH, and presence of saliva affect the rate of hydrolysis. The study examined the properties of solid samples of PCL and PLA subjected to degradation in phosphate buffered saline (PBS) and artificial saliva (AS) at temperatures of 37 or 42 °C, and pH values 2 or 7.4. A number of tests were performed, including measurement of the degree of swelling, weight loss, molecular weight, differential scanning calorimetry, and thermogravimetry of polymers, as well as hardness and tensile strength. Additionally, topography and stiffness of surfaces using atomic force microscopy are presented. It has been noticed that in the artificial saliva, the processes of polymer degradation occur slightly more slowly, and the effects of temperature and pH are less pronounced. We believe that a layer of porcine gastric mucin from artificial saliva that adsorbed on the surface of polymers may have a key role in the observed differences; this layer resembles protective mucin coating tissues in the oral cavity.
Collapse
Affiliation(s)
- Dawid Łysik
- Institute of Biomedical Engineering, Bialystok University of Technology, Wiejska 45C, 15-351 Bialystok, Poland;
| | - Joanna Mystkowska
- Institute of Biomedical Engineering, Bialystok University of Technology, Wiejska 45C, 15-351 Bialystok, Poland;
| | - Grzegorz Markiewicz
- Institute of Biomedical Engineering, Bialystok University of Technology, Wiejska 45C, 15-351 Bialystok, Poland;
| | - Piotr Deptuła
- Department of Microbiological and Nanobiomedical Engineering, Medical University of Bialystok, Mickiewicza 2C, 15-222 Bialystok, Poland; (P.D.); (R.B.)
| | - Robert Bucki
- Department of Microbiological and Nanobiomedical Engineering, Medical University of Bialystok, Mickiewicza 2C, 15-222 Bialystok, Poland; (P.D.); (R.B.)
| |
Collapse
|
2
|
Faisal TR, Adouni M, Dhaher YY. The effect of fibrillar degradation on the mechanics of articular cartilage: a computational model. Biomech Model Mechanobiol 2019; 18:733-751. [DOI: 10.1007/s10237-018-01112-2] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2018] [Accepted: 12/20/2018] [Indexed: 12/21/2022]
|
3
|
Leelakanok N, Geary S, Salem A. Fabrication and Use of Poly(d,l-lactide-co-glycolide)-Based Formulations Designed for Modified Release of 5-Fluorouracil. J Pharm Sci 2017; 107:513-528. [PMID: 29045885 DOI: 10.1016/j.xphs.2017.10.012] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2017] [Revised: 10/03/2017] [Accepted: 10/06/2017] [Indexed: 12/14/2022]
Abstract
5-fluorouracil (5-FU) is a chemotherapeutic agent that has been used for the treatment of a variety of malignancies since its initial introduction to the clinic in 1957. Owing to its short biological half-life, multiple dosings are generally required to maintain effective 5-FU plasma concentrations throughout the therapeutic period. Clinical studies have shown that continuous 5-FU administration is generally superior to bolus injection as exhibited by lower toxicities and increased therapeutic efficacy. Optimal therapeutic efficacy, however, is often compromised by the limiting therapeutic index. Whilst oral formulations are also used, these suffer from the drawbacks of variable bioavailability and first-pass metabolism. As a result, sustained release formulations of 5-FU have been investigated in an effort to mimic the kinetics of continuous infusion particularly for situations where local delivery is considered appropriate. The biocompatible, biodegradable, and highly tunable synthetic polymer, poly(d,l-lactide-co-glycolide) (PLGA), is widely used as a vector for sustained drug delivery, however, issues such as insufficient loading and inappropriate burst release kinetics have dogged progress into the clinic for small hydrophilic drugs such as 5-FU. This review provides introductory information about the mechanism of action, pharmacokinetic and physicochemical properties, and clinical use of 5-FU that have contributed to the development of PLGA-based 5-FU release platforms. In addition, this review provides information on fabrication methods used for a range of 5-FU-loaded PLGA formulations and discusses factors affecting the release kinetics of 5-FU as well as the in vitro and in vivo antitumor or antiproliferative efficacy of these platforms.
Collapse
Affiliation(s)
- Nattawut Leelakanok
- Department of Pharmaceutical Sciences and Experimental Therapeutics, College of Pharmacy, Iowa City, Iowa 52242
| | - Sean Geary
- Department of Pharmaceutical Sciences and Experimental Therapeutics, College of Pharmacy, Iowa City, Iowa 52242
| | - Aliasger Salem
- Department of Pharmaceutical Sciences and Experimental Therapeutics, College of Pharmacy, Iowa City, Iowa 52242.
| |
Collapse
|
4
|
Development, Optimization and In Vitro/In Vivo Characterization of Collagen-Dextran Spongious Wound Dressings Loaded with Flufenamic Acid. Molecules 2017; 22:molecules22091552. [PMID: 28914807 PMCID: PMC6151609 DOI: 10.3390/molecules22091552] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2017] [Accepted: 09/13/2017] [Indexed: 01/14/2023] Open
Abstract
The aim of this study was the development and optimization of some topical collagen-dextran sponges with flufenamic acid, designed to be potential dressings for burn wounds healing. The sponges were obtained by lyophilization of hydrogels based on type I fibrillar collagen gel extracted from calf hide, dextran and flufenamic acid, crosslinked and un-crosslinked, and designed according to a 3-factor, 3-level Box-Behnken experimental design. The sponges showed good fluid uptake ability quantified by a high swelling ratio. The flufenamic acid release profiles from sponges presented two stages—burst effect resulting in a rapid inflammation reduction, and gradual delivery ensuring the anti-inflammatory effect over a longer burn healing period. The resistance to enzymatic degradation was monitored through a weight loss parameter. The optimization of the sponge formulations was performed based on an experimental design technique combined with response surface methodology, followed by the Taguchi approach to select those formulations that are the least affected by the noise factors. The treatment of experimentally induced burns on animals with selected sponges accelerated the wound healing process and promoted a faster regeneration of the affected epithelial tissues compared to the control group. The results generated by the complex sponge characterization indicate that these formulations could be successfully used for burn dressing applications.
Collapse
|
5
|
Diba M, Pape B, Klymov A, Zhang Y, Song J, Löwik DWPM, Seyednejad H, Leeuwenburgh SCG. Nanostructured raspberry-like gelatin microspheres for local delivery of multiple biomolecules. Acta Biomater 2017; 58:67-79. [PMID: 28579541 DOI: 10.1016/j.actbio.2017.05.059] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2017] [Revised: 05/15/2017] [Accepted: 05/31/2017] [Indexed: 11/30/2022]
Abstract
Multicompartment particles, which are particles composed of smaller building units, have gained considerable interest during the past decade to facilitate simultaneous and differential delivery of several biomolecules in various applications. Supercritical carbon dioxide (CO2) processing is an industrial technology widely used for large-scale synthesis and processing of materials. However, the application of this technology for production of multicompartment particles from colloidal particles has not yet been explored. Here, we report the formation of raspberry-like gelatin (RLG) microparticles composed of gelatin nanoparticles as colloidal building blocks through supercritical CO2 processing. We show that these RLG microparticles exhibit a high stability upon dispersion in aqueous media without requiring chemical cross-linking. We further demonstrate that these microparticles are cytocompatible and facilitate differential release of two different model compounds. The strategy presented here can be utilized as a cost-effective route for production of various types of multicompartment particles using colloidal particles with suitable interparticle interactions. STATEMENT OF SIGNIFICANCE Multicompartment particles have gained considerable interest during the past decade to facilitate simultaneous and differential delivery of multiple biomolecules in various biomedical applications. Nevertheless, common methods employed for the production of such particles are often complex and only offer small-scale production. Here, we report the formation of raspberry-like gelatin (RLG) microparticles composed of gelatin nanoparticles as colloidal building blocks through supercritical CO2 processing. We show that these microparticles are cytocompatible and facilitate differential release of two model compounds with different molecular sizes, promising successful applications in various biomedical areas. Summarizing, this paper presents a novel strategy that can be utilized as a cost-effective route for production of various types of multicompartment particles using a wide range of colloidal building blocks.
Collapse
Affiliation(s)
- Mani Diba
- Department of Biomaterials, Radboud University Medical Center, Philips van Leydenlaan 25, 6525 EX Nijmegen, The Netherlands
| | - Bram Pape
- FeyeCon Development and Implementation B.V., Rijnkade 17A, 1382 GS Weesp, The Netherlands
| | - Alexey Klymov
- Department of Biomaterials, Radboud University Medical Center, Philips van Leydenlaan 25, 6525 EX Nijmegen, The Netherlands
| | - Yang Zhang
- Department of Biomaterials, Radboud University Medical Center, Philips van Leydenlaan 25, 6525 EX Nijmegen, The Netherlands
| | - Jiankang Song
- Department of Biomaterials, Radboud University Medical Center, Philips van Leydenlaan 25, 6525 EX Nijmegen, The Netherlands
| | - Dennis W P M Löwik
- Department of Bio-organic Chemistry, Radboud University Nijmegen, Heyendaalseweg 135, 6525 AJ Nijmegen, The Netherlands
| | - Hajar Seyednejad
- FeyeCon Development and Implementation B.V., Rijnkade 17A, 1382 GS Weesp, The Netherlands
| | - Sander C G Leeuwenburgh
- Department of Biomaterials, Radboud University Medical Center, Philips van Leydenlaan 25, 6525 EX Nijmegen, The Netherlands.
| |
Collapse
|
6
|
Rahoui N, Jiang B, Taloub N, Huang YD. Spatio-temporal control strategy of drug delivery systems based nano structures. J Control Release 2017; 255:176-201. [DOI: 10.1016/j.jconrel.2017.04.003] [Citation(s) in RCA: 53] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2017] [Revised: 03/30/2017] [Accepted: 04/03/2017] [Indexed: 12/21/2022]
|
7
|
Danyuo Y, E Oberaifo O, Obayemi JD, Dozie-Nwachukwu S, J Ani C, Odusanya OS, Zebaze Kana MG, Malatesta K, Soboyejo WO. Extended pulsated drug release from PLGA-based minirods. JOURNAL OF MATERIALS SCIENCE. MATERIALS IN MEDICINE 2017; 28:61. [PMID: 28251469 DOI: 10.1007/s10856-017-5866-y] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/27/2016] [Accepted: 02/07/2017] [Indexed: 06/06/2023]
Abstract
The kinetics of degradation and sustained cancer drugs (paclitaxel (PT) and prodigiosin (PG)) release are presented for minirods (each with diameter of ~5 and ~6 mm thick). Drug release and degradation mechanisms were studied from solvent-casted cancer drug-based minirods under in vitro conditions in phosphate buffer solution (PBS) at a pH of 7.4. The immersed minirods were mechanically agitated at 60 revolutions per minute (rpm) under incubation at 37 °C throughout the period of the study. The kinetics of drug release was studied using ultraviolet visible spectrometry (UV-Vis). This was used to determine the amount of drug released at 535 nm for poly(lactic-co-glycolic acid) loaded with prodigiosin (PLGA-PG) samples, and at 210 nm, for paclitaxel-loaded samples (PLGA-PT). The degradation characteristics of PLGA-PG and PLGA-PT are elucidated using optical microscope as well as scanning electron microscope (SEM). Statistical analysis of drug release and degradation mechanisms of PLGA-based minirods were performed. The implications of the results are discussed for potential applications in implantable/degradable structures for multi-pulse cancer drug delivery.
Collapse
Affiliation(s)
- Y Danyuo
- Department of Materials Science and Engineering, African University of Science and Technology (AUST), Abuja, Federal Capital Territory, Nigeria
- Department of Materials Science and Engineering, Kwara State University, Ilorin, Nigeria
| | - O E Oberaifo
- Biotechnology and Genetic Engineering Advanced Laboratory, Sheda Science and Technology Complex (SHESTCO), Abuja, Federal Capital Territory, Nigeria
| | - J D Obayemi
- Department of Materials Science and Engineering, African University of Science and Technology (AUST), Abuja, Federal Capital Territory, Nigeria
- Department of Mechanical and Aerospace Engineering 41 Olden Street, Princeton University, Princeton, NJ, 08544, USA
| | - S Dozie-Nwachukwu
- Department of Materials Science and Engineering, African University of Science and Technology (AUST), Abuja, Federal Capital Territory, Nigeria
- Biotechnology and Genetic Engineering Advanced Laboratory, Sheda Science and Technology Complex (SHESTCO), Abuja, Federal Capital Territory, Nigeria
| | - C J Ani
- Department of Theoretical Physics, African University of Science and Technology (AUST), Abuja, Federal Capital Territory, Nigeria
- Department of Physics, Salem University, Lokoja-Ajaokuta Road, Lokoja, Kogi, Nigeria
| | - O S Odusanya
- Biotechnology and Genetic Engineering Advanced Laboratory, Sheda Science and Technology Complex (SHESTCO), Abuja, Federal Capital Territory, Nigeria
| | - M G Zebaze Kana
- Department of Materials Science and Engineering, Kwara State University, Ilorin, Nigeria
| | - K Malatesta
- Princeton Institute for the Science and Technology of Materials (PRISM), Princeton University, 70 Prospect Street, Princeton, NJ, 08544, USA
| | - W O Soboyejo
- Department of Materials Science and Engineering, African University of Science and Technology (AUST), Abuja, Federal Capital Territory, Nigeria.
- Department of Mechanical and Aerospace Engineering 41 Olden Street, Princeton University, Princeton, NJ, 08544, USA.
- Princeton Institute for the Science and Technology of Materials (PRISM), Princeton University, 70 Prospect Street, Princeton, NJ, 08544, USA.
| |
Collapse
|
8
|
Jose RR, Rodriguez MJ, Dixon TA, Omenetto F, Kaplan DL. Evolution of Bioinks and Additive Manufacturing Technologies for 3D Bioprinting. ACS Biomater Sci Eng 2016; 2:1662-1678. [DOI: 10.1021/acsbiomaterials.6b00088] [Citation(s) in RCA: 196] [Impact Index Per Article: 24.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Affiliation(s)
- Rod R. Jose
- Department of Biomedical
Engineering, 4 Colby Street, Tufts University, Medford, Massachusetts 02155, United States
| | - Maria J. Rodriguez
- Department of Biomedical
Engineering, 4 Colby Street, Tufts University, Medford, Massachusetts 02155, United States
| | - Thomas A. Dixon
- Department of Biomedical
Engineering, 4 Colby Street, Tufts University, Medford, Massachusetts 02155, United States
| | - Fiorenzo Omenetto
- Department of Biomedical
Engineering, 4 Colby Street, Tufts University, Medford, Massachusetts 02155, United States
| | - David L. Kaplan
- Department of Biomedical
Engineering, 4 Colby Street, Tufts University, Medford, Massachusetts 02155, United States
| |
Collapse
|
9
|
Luo Y, Wang X, Du D, Lin Y. Hyaluronic acid-conjugated apoferritin nanocages for lung cancer targeted drug delivery. Biomater Sci 2015; 3:1386-94. [DOI: 10.1039/c5bm00067j] [Citation(s) in RCA: 51] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
In this paper, we proposed a naturally derived protein cage based pH-responsive delivery system for intracellular prodrug controlled release.
Collapse
Affiliation(s)
- Yanan Luo
- Key Laboratory of Pesticide and Chemical Biology of the Ministry of Education of the PR China
- College of Chemistry
- Central China Normal University
- Wuhan
- PR China
| | - Xuenv Wang
- Key Laboratory of Pesticide and Chemical Biology of the Ministry of Education of the PR China
- College of Chemistry
- Central China Normal University
- Wuhan
- PR China
| | - Dan Du
- Key Laboratory of Pesticide and Chemical Biology of the Ministry of Education of the PR China
- College of Chemistry
- Central China Normal University
- Wuhan
- PR China
| | - Yuehe Lin
- School of Mechanical and Materials Engineering
- Washington State University
- Pullman
- USA
- Paul G. Allen School for Global Animal Health
| |
Collapse
|
10
|
Kirchmajer DM, Gorkin III R, in het Panhuis M. An overview of the suitability of hydrogel-forming polymers for extrusion-based 3D-printing. J Mater Chem B 2015; 3:4105-4117. [DOI: 10.1039/c5tb00393h] [Citation(s) in RCA: 211] [Impact Index Per Article: 23.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
In this review hydrogel-forming polymers that are suitable for extrusion-based 3D printing are evaluated.
Collapse
Affiliation(s)
- D. M. Kirchmajer
- Soft Materials Group
- School of Chemistry
- University of Wollongong
- Wollongong
- Australia
| | - R. Gorkin III
- Intelligent Polymer Research Institute
- ARC Centre of Excellence for Electromaterials Science
- AIIM Facility
- University of Wollongong
- Australia
| | - M. in het Panhuis
- Soft Materials Group
- School of Chemistry
- University of Wollongong
- Wollongong
- Australia
| |
Collapse
|
11
|
Gao Y, Xie J, Chen H, Gu S, Zhao R, Shao J, Jia L. Nanotechnology-based intelligent drug design for cancer metastasis treatment. Biotechnol Adv 2013; 32:761-77. [PMID: 24211475 DOI: 10.1016/j.biotechadv.2013.10.013] [Citation(s) in RCA: 113] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2013] [Revised: 10/19/2013] [Accepted: 10/29/2013] [Indexed: 12/21/2022]
Abstract
Traditional chemotherapy used today at clinics is mainly inherited from the thinking and designs made four decades ago when the Cancer War was declared. The potency of those chemotherapy drugs on in-vitro cancer cells is clearly demonstrated at even nanomolar levels. However, due to their non-specific effects in the body on normal tissues, these drugs cause toxicity, deteriorate patient's life quality, weaken the host immunosurveillance system, and result in an irreversible damage to human's own recovery power. Owing to their unique physical and biological properties, nanotechnology-based chemotherapies seem to have an ability to specifically and safely reach tumor foci with enhanced efficacy and low toxicity. Herein, we comprehensively examine the current nanotechnology-based pharmaceutical platforms and strategies for intelligent design of new nanomedicines based on targeted drug delivery system (TDDS) for cancer metastasis treatment, analyze the pros and cons of nanomedicines versus traditional chemotherapy, and evaluate the importance that nanomaterials can bring in to significantly improve cancer metastasis treatment.
Collapse
Affiliation(s)
- Yu Gao
- Cancer Metastasis Alert and Prevention Institute, College of Chemistry and Chemical Engineering, Fuzhou University, Fuzhou 350002, China
| | - Jingjing Xie
- Cancer Metastasis Alert and Prevention Institute, College of Chemistry and Chemical Engineering, Fuzhou University, Fuzhou 350002, China
| | - Haijun Chen
- Cancer Metastasis Alert and Prevention Institute, College of Chemistry and Chemical Engineering, Fuzhou University, Fuzhou 350002, China; Department of Pharmaceutical Engineering, College of Chemistry and Chemical Engineering, Fuzhou University, Fujian 350108, China
| | - Songen Gu
- Cancer Metastasis Alert and Prevention Institute, College of Chemistry and Chemical Engineering, Fuzhou University, Fuzhou 350002, China
| | - Rongli Zhao
- Cancer Metastasis Alert and Prevention Institute, College of Chemistry and Chemical Engineering, Fuzhou University, Fuzhou 350002, China
| | - Jingwei Shao
- Cancer Metastasis Alert and Prevention Institute, College of Chemistry and Chemical Engineering, Fuzhou University, Fuzhou 350002, China
| | - Lee Jia
- Cancer Metastasis Alert and Prevention Institute, College of Chemistry and Chemical Engineering, Fuzhou University, Fuzhou 350002, China.
| |
Collapse
|
12
|
Francesko A, Soares da Costa D, Reis RL, Pashkuleva I, Tzanov T. Functional biopolymer-based matrices for modulation of chronic wound enzyme activities. Acta Biomater 2013; 9:5216-25. [PMID: 23072830 DOI: 10.1016/j.actbio.2012.10.014] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2012] [Revised: 10/02/2012] [Accepted: 10/07/2012] [Indexed: 10/27/2022]
Abstract
Collagen, collagen/hyaluronic acid (HA) and collagen/HA/chitosan (CS) sponges loaded with epigallocatechin gallate (EGCG), catechin (CAT) and gallic acid (GA) were developed and evaluated as active chronic wound dressings. Their physico-mechanical properties, biostability, biocompatibility and ability to inhibit in vitro myeloperoxidase (MPO) and collagenase--major enzymes related with the persistent inflammation in chronic wounds--were investigated as a function of the biopolymer composition and the polyphenolic compound used. The results demonstrated that the molecular weight of HA influences significantly the bulk properties of the obtained materials: higher elastic modulus, swelling ability and biostability against collagenase were measured when HA with higher molecular weights (830 and 2000 kDa) were added to the collagen matrices. The addition of CS and the polyphenols increased further the biostability of the sponges. Preliminary in vitro tests with fibroblasts revealed that the cells were able to adhere to all sponges. Cell viability was not affected significantly by the addition of the polyphenols; however, the presence of CS or high molecular weight HA in the sponge composition was associated with lower cellular viability. Finally, all specimens containing polyphenols efficiently inhibited the MPO activity. The highest inhibition capacity was observed for EGCG (IC₅₀=15±1μM) and it was coupled to the highest extent of binding to the biopolymers (>80%) and optimal release profile from the sponges that allowed for prolonged (up to 3-5 days) effects.
Collapse
|
13
|
Fonseca AC, Ferreira P, Cordeiro RA, Mendonça PV, Góis JR, Gil MH, Coelho JFJ. Drug Delivery Systems for Predictive Medicine: Polymers as Tools for Advanced Applications. NEW STRATEGIES TO ADVANCE PRE/DIABETES CARE: INTEGRATIVE APPROACH BY PPPM 2013. [DOI: 10.1007/978-94-007-5971-8_16] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
|
14
|
Alginate grafted with poly(ε-caprolactone): effect of enzymatic degradation on physicochemical properties. POLYM INT 2012. [DOI: 10.1002/pi.4232] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
|
15
|
Zhan W, Tang LJ, Zhang XB, Jiang JH, Tan W. Aptamer-modified nanodrug delivery systems. ACS NANO 2011; 5:7696-7699. [PMID: 22023403 PMCID: PMC3245875 DOI: 10.1021/nn2037384] [Citation(s) in RCA: 36] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/29/2023]
Abstract
Aptamers can bind a wide range of biomedically relevant proteins with affinities and specificities that have therapeutic utility. Although aptamers are susceptible to nuclease-mediated degradation and cannot easily cross biological barriers, specific aptamer modification can feasibly solve these problems. To address these obstacles, Lau et al. developed a general strategy for generating natural packaging and transport vehicles for targeting agents, such as aptamers and their small-molecule ligands, by using virus-like particles (VLPs) assembled from the recombinant expression of the bacteriophage Qβ coat protein. Since RNA and DNA molecules are susceptible to nuclease-mediated degradation, it is important that Qβ VLPs protect their encapsulated aptamers from nuclease-mediated degradation and enhance their permeability. Moreover, if self-assembled using natural proteins, VLPs can guarantee the biocompatibility and biodegradability of modified aptamers in therapeutic applications. Therefore, this Perspective explores the outlook for such aptamer modification strategies for nanodrug preparation and delivery applications and the challenges that lie ahead.
Collapse
|
16
|
Wang Z, Möhwald H, Gao C. Preparation and redox-controlled reversible response of ferrocene-modified poly(allylamine hydrochloride) microcapsules. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2011; 27:1286-1291. [PMID: 21043487 DOI: 10.1021/la103758t] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/30/2023]
Abstract
Single-component microcapsules were fabricated by the in situ reaction of ferrocenecarboxaldehyde (Fc-CHO) with poly(allylamine hydrochloride) (PAH) doped inside CaCO(3) microparticles, followed by core removal. The PAH-Fc microcapsules had very thick shells with remnant PAH-Fc inside, leading to a robust capsule structure that is less collapsed in the dry state. This single-component microcapsule is stabilized by the hydrophobic aggregation of Fc moieties and the protection of hydrophilic PAH backbones. Because of the excellent redox properties of Fc, the PAH-Fc microcapsules showed redox sensitivity to oxidation and reduction, as confirmed by UV-vis absorption spectroscopy and confocal laser scanning microscopy, resulting in reversible swelling and shrinking (11.7 vs 5.5 μm) in their size. Consequently, the permeability was also reversibly tuned, leading to the controlled loading and release of desired substances such as dextran.
Collapse
Affiliation(s)
- Zhipeng Wang
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou, China
| | | | | |
Collapse
|
17
|
|
18
|
Ma-Ham A, Wu H, Wang J, Kang X, Zhang Y, Lin Y. Apoferritin-based nanomedicine platform for drug delivery: equilibrium binding study of daunomycin with DNA. ACTA ACUST UNITED AC 2011. [DOI: 10.1039/c0jm04321d] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
|
19
|
Coelho JF, Ferreira PC, Alves P, Cordeiro R, Fonseca AC, Góis JR, Gil MH. Drug delivery systems: Advanced technologies potentially applicable in personalized treatments. EPMA J 2010; 1:164-209. [PMID: 23199049 PMCID: PMC3405312 DOI: 10.1007/s13167-010-0001-x] [Citation(s) in RCA: 194] [Impact Index Per Article: 13.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2009] [Accepted: 01/25/2010] [Indexed: 12/31/2022]
Abstract
Advanced drug delivery systems (DDS) present indubitable benefits for drug administration. Over the past three decades, new approaches have been suggested for the development of novel carriers for drug delivery. In this review, we describe general concepts and emerging research in this field based on multidisciplinary approaches aimed at creating personalized treatment for a broad range of highly prevalent diseases (e.g., cancer and diabetes). This review is composed of two parts. The first part provides an overview on currently available drug delivery technologies including a brief history on the development of these systems and some of the research strategies applied. The second part provides information about the most advanced drug delivery devices using stimuli-responsive polymers. Their synthesis using controlled-living radical polymerization strategy is described. In a near future it is predictable the appearance of new effective tailor-made DDS, resulting from knowledge of different interdisciplinary sciences, in a perspective of creating personalized medical solutions.
Collapse
Affiliation(s)
- Jorge F. Coelho
- Department of Chemical Engineering, University of Coimbra, 3030-290 Coimbra, Portugal
| | - Paula C. Ferreira
- Department of Chemical Engineering, University of Coimbra, 3030-290 Coimbra, Portugal
- Department of Health Sciences, Portuguese Catholic University, 3504-505 Viseu, Portugal
| | - Patricia Alves
- Department of Chemical Engineering, University of Coimbra, 3030-290 Coimbra, Portugal
| | - Rosemeyre Cordeiro
- Department of Chemical Engineering, University of Coimbra, 3030-290 Coimbra, Portugal
| | - Ana C. Fonseca
- Department of Chemical Engineering, University of Coimbra, 3030-290 Coimbra, Portugal
| | - Joana R. Góis
- Department of Chemical Engineering, University of Coimbra, 3030-290 Coimbra, Portugal
| | - Maria H. Gil
- Department of Chemical Engineering, University of Coimbra, 3030-290 Coimbra, Portugal
| |
Collapse
|
20
|
Maham A, Tang Z, Wu H, Wang J, Lin Y. Protein-based nanomedicine platforms for drug delivery. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2009; 5:1706-1721. [PMID: 19572330 DOI: 10.1002/smll.200801602] [Citation(s) in RCA: 349] [Impact Index Per Article: 23.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Abstract
Protein-based nanomedicine platforms for drug delivery comprise naturally self-assembled protein subunits of the same protein or a combination of proteins making up a complete system. They are ideal for drug-delivery platforms due to their biocompatibility and biodegradability coupled with low toxicity. A variety of proteins have been used and characterized for drug-delivery systems, including the ferritin/apoferritin protein cage, plant-derived viral capsids, the small Heat shock protein (sHsp) cage, albumin, soy and whey protein, collagen, and gelatin. There are many different types and shapes that have been prepared to deliver drug molecules using protein-based platforms, including various protein cages, microspheres, nanoparticles, hydrogels, films, minirods, and minipellets. The protein cage is the most newly developed biomaterial for drug delivery and therapeutic applications. The uniform size, multifunctionality, and biodegradability push it to the frontier of drug delivery. In this Review, the recent strategic development of drug delivery is discussed with emphasis on polymer-based, especially protein-based, nanomedicine platforms for drug delivery. The advantages and disadvantages are also discussed for each type of protein-based drug-delivery system.
Collapse
Affiliation(s)
- Aihui Maham
- Pacific Northwest National Laboratory, Richland, WA 99352, USA
| | | | | | | | | |
Collapse
|
21
|
Wu DQ, Wang T, Lu B, Xu XD, Cheng SX, Jiang XJ, Zhang XZ, Zhuo RX. Fabrication of supramolecular hydrogels for drug delivery and stem cell encapsulation. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2008; 24:10306-10312. [PMID: 18680318 DOI: 10.1021/la8006876] [Citation(s) in RCA: 103] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/26/2023]
Abstract
Supramolecular hydrogels self-assembled by alpha-cyclodextrin and methoxypolyethylene glycol-poly(caprolactone)-(dodecanedioic acid)-poly(caprolactone)-methoxypolyethylene glycol (MPEG-PCL-MPEG) triblock polymers were prepared and characterized in vitro and in vivo. The sustained release of dextran-fluorescein isothiocyanate (FITC) from the hydrogels lasted for more than 1 month, which indicated that the hydrogels were promising for controlled drug delivery. ECV304 cells and marrow mesenchymal stem cells (MSC) were encapsulated and cultured in the hydrogels, during which the morphologies of the cells could be kept. The in vitro cell viability studies and the in vivo histological studies demonstrated that the hydrogels were non-cytotoxic and biocompatible, which indicated that the hydrogels prepared were promising candidates as injectable scaffolds for tissue engineering applications.
Collapse
Affiliation(s)
- De-Qun Wu
- Key Laboratory of Biomedical Polymers of Ministry of Education, Department of Chemistry, Wuhan University, Wuhan, China
| | | | | | | | | | | | | | | |
Collapse
|
22
|
Numerical simulation of drug release from collagen matrices by enzymatic degradation. ACTA ACUST UNITED AC 2008. [DOI: 10.1007/s00791-008-0118-9] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
|