151
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152
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Wang Z, Zhi K, Ding Z, Sun Y, Li S, Li M, Pu K, Zou J. Emergence in protein derived nanomedicine as anticancer therapeutics: More than a tour de force. Semin Cancer Biol 2020; 69:77-90. [PMID: 31962173 DOI: 10.1016/j.semcancer.2019.11.012] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2019] [Revised: 11/14/2019] [Accepted: 11/30/2019] [Indexed: 12/12/2022]
Abstract
Cancer has thwarted as a major health problem affecting the global population. With an alarming increase in the patient population suffering from diverse varieties of cancers, the global demographic data predicts sharp escalation in the number of cancer patients. This can be expected to reach 420 million cases by 2025. Among the diverse types of cancers, the most frequently diagnosed cancers are the breast, colorectal, prostate and lung cancer. From years, conventional treatment approaches like surgery, chemotherapy and radiation therapy have been practiced. In the past few years, increasing research on molecular level diagnosis and treatment of cancers have significantly changed the realm of cancer treatment. Lately, uses of advanced chemotherapy and immunotherapy like treatments have gained significant progress in the cancer therapy, but these approaches have several limitations on their safety and toxicity. This has generated lot of momentum for the evolution of new drug delivery approaches for the effective delivery of anticancer therapeutics, which may improve the pharmacokinetic and pharmacodynamic effect of the drugs along with significant reduction in the side effects. In this regard, the protein-based nano-medicines have gained wider attention in the management of cancer. Proteins are organic macromolecules essential, for life and have quite well explored in developing the nano-carriers. Furthermore, it provides passive or active tumour cell targeted delivery, by using protein based nanovesicles or virus like structures, antibody drug conjugates, viral particles, etc. Moreover, by utilizing various formulation strategies, both the animal and plant derived proteins can be converted to produce self-assembled virus like nano-metric structures with high efficiency in targeting the metastatic cancer cells. Therefore, the present review extensively discusses the applications of protein-based nano-medicine with special emphasis on intracellular delivery/drug targeting ability for anticancer drugs.
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Affiliation(s)
- Zhenchang Wang
- Department of Spleen, Stomach and Liver Diseases, Guangxi International Zhuang Medical Hospital, Guangxi, Nanning, 530201, China
| | - Kangkang Zhi
- Vascular Surgery, Changzheng Hospital, Second Military Medical University, Shanghai, 200003, China
| | - Zhongyang Ding
- General Surgery, Wuxi Traditional Chinese Medicine Hospital Affiliated to Nanjing University of Traditional Chinese Medicine, Jiangsu, Nanjing, 214023, China
| | - Yi Sun
- Oncology Department, Guizhou Provincial People's Hospital, Guizhou, Guiyang, 550002, China
| | - Shuang Li
- Department of Respiratory and Critical Care Medicine, First Affiliated Hospital of Jiamusi University, Heilongjiang, Jiamu, 154003, China
| | - Manyuan Li
- Laboratory Department, Jinzhou Maternal and Infant Hospital, Liaoning, Jinzhou, 121000, China
| | - Kefeng Pu
- Suzhou Institute of Nanotechnology and Nano-Bionics, Chinese Academy of Sciences, Suzhou, Jiangsu, 215123, China
| | - Jun Zou
- Department of Orthopaedic Surgery, The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu, 215006, China.
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153
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Varanko A, Saha S, Chilkoti A. Recent trends in protein and peptide-based biomaterials for advanced drug delivery. Adv Drug Deliv Rev 2020; 156:133-187. [PMID: 32871201 PMCID: PMC7456198 DOI: 10.1016/j.addr.2020.08.008] [Citation(s) in RCA: 142] [Impact Index Per Article: 35.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2020] [Revised: 08/14/2020] [Accepted: 08/14/2020] [Indexed: 02/07/2023]
Abstract
Engineering protein and peptide-based materials for drug delivery applications has gained momentum due to their biochemical and biophysical properties over synthetic materials, including biocompatibility, ease of synthesis and purification, tunability, scalability, and lack of toxicity. These biomolecules have been used to develop a host of drug delivery platforms, such as peptide- and protein-drug conjugates, injectable particles, and drug depots to deliver small molecule drugs, therapeutic proteins, and nucleic acids. In this review, we discuss progress in engineering the architecture and biological functions of peptide-based biomaterials -naturally derived, chemically synthesized and recombinant- with a focus on the molecular features that modulate their structure-function relationships for drug delivery.
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Affiliation(s)
| | | | - Ashutosh Chilkoti
- Department of Biomedical Engineering, Duke University, Durham, NC 27708, USA.
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154
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Activity Characteristics and Tyrosinase Inhibition Mechanism of a Silk Fibroin Oligopeptide and Cordyceps Polysaccharide Composite. Int J Pept Res Ther 2019. [DOI: 10.1007/s10989-019-09966-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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155
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Carissimi G, Lozano-Pérez AA, Montalbán MG, Aznar-Cervantes SD, Cenis JL, Víllora G. Revealing the Influence of the Degumming Process in the Properties of Silk Fibroin Nanoparticles. Polymers (Basel) 2019; 11:E2045. [PMID: 31835438 PMCID: PMC6960545 DOI: 10.3390/polym11122045] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2019] [Revised: 11/27/2019] [Accepted: 12/06/2019] [Indexed: 11/16/2022] Open
Abstract
Several studies have stated that the process used for sericin removal, or degumming, from silk cocoons has a strong impact in the silk fibroin integrity and consequently in their mechanical or biochemical properties after processing it into several biomaterials (e.g. fibers, films or scaffolds) but still, there is a lack of information of the impact on the features of silk nanoparticles. In this work, silk cocoons were degummed following four standard methods: autoclaving, short alkaline (Na2CO3) boiling, long alkaline (Na2CO3) boiling and ultrasounds. The resultant silk fibroin fibers were dissolved in the ionic liquid 1-ethyl-3-methylimidazolium acetate and used for nanoparticle synthesis by rapid desolvation in polar organic solvents. The relative efficiencies of the degumming processes and the integrity of the resulting fibroin fibers obtained were analyzed by mass loss, optical microscopy, thermogravimetric analysis, infrared spectroscopy and SDS-PAGE. Particle sizes and morphology were analyzed by Dynamic Light Scattering and Field Emission Scanning Electronic Microscopy. The results showed that the different treatments had a remarkable impact on the integrity of the silk fibroin chains, as confirmed by gel electrophoresis, which can be correlated with particle mean size and size distribution changes. The smallest nanoparticles (156 ± 3 nm) and the most negative Z potential (-30.2 ± 1.8 mV) were obtained with the combination of long treatment (2 h) of boiling in alkaline solution (Na2CO3 0.02 eq/L). The study confirms that parameters of the process, such as composition of the solution and time of the degumming step, must be controlled in order to reach an optimum reproducibility of the nanoparticle production.
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Affiliation(s)
- Guzmán Carissimi
- Department of Chemical Engineering, Faculty of Chemistry, University of Murcia (UMU), Campus de Espinardo, 30100 Murcia, Spain;
| | - A. Abel Lozano-Pérez
- Department of Biotechnology, Instituto Murciano de Investigación y Desarrollo Agrario y Alimentario (IMIDA), La Alberca, 30150 Murcia, Spain; (A.A.L.-P.); (S.D.A.-C.); (J.L.C.)
| | - Mercedes G. Montalbán
- Department of Chemical Engineering, University of Alicante, Apartado 99, 03080 Alicante, Spain;
| | - Salvador D. Aznar-Cervantes
- Department of Biotechnology, Instituto Murciano de Investigación y Desarrollo Agrario y Alimentario (IMIDA), La Alberca, 30150 Murcia, Spain; (A.A.L.-P.); (S.D.A.-C.); (J.L.C.)
| | - José Luis Cenis
- Department of Biotechnology, Instituto Murciano de Investigación y Desarrollo Agrario y Alimentario (IMIDA), La Alberca, 30150 Murcia, Spain; (A.A.L.-P.); (S.D.A.-C.); (J.L.C.)
| | - Gloria Víllora
- Department of Chemical Engineering, Faculty of Chemistry, University of Murcia (UMU), Campus de Espinardo, 30100 Murcia, Spain;
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156
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Nguyen TP, Nguyen QV, Nguyen VH, Le TH, Huynh VQN, Vo DVN, Trinh QT, Kim SY, Le QV. Silk Fibroin-Based Biomaterials for Biomedical Applications: A Review. Polymers (Basel) 2019; 11:E1933. [PMID: 31771251 PMCID: PMC6960760 DOI: 10.3390/polym11121933] [Citation(s) in RCA: 198] [Impact Index Per Article: 39.6] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2019] [Revised: 11/22/2019] [Accepted: 11/22/2019] [Indexed: 12/29/2022] Open
Abstract
Since it was first discovered, thousands of years ago, silkworm silk has been known to be an abundant biopolymer with a vast range of attractive properties. The utilization of silk fibroin (SF), the main protein of silkworm silk, has not been limited to the textile industry but has been further extended to various high-tech application areas, including biomaterials for drug delivery systems and tissue engineering. The outstanding mechanical properties of SF, including its facile processability, superior biocompatibility, controllable biodegradation, and versatile functionalization have allowed its use for innovative applications. In this review, we describe the structure, composition, general properties, and structure-properties relationship of SF. In addition, the methods used for the fabrication and modification of various materials are briefly addressed. Lastly, recent applications of SF-based materials for small molecule drug delivery, biological drug delivery, gene therapy, wound healing, and bone regeneration are reviewed and our perspectives on future development of these favorable materials are also shared.
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Affiliation(s)
- Thang Phan Nguyen
- Laboratory of Advanced Materials Chemistry, Advanced Institute of Materials Science, Ton Duc Thang University, Ho Chi Minh City 700000, Vietnam;
- Faculty of Applied Sciences, Ton Duc Thang University, Ho Chi Minh City 700000, Vietnam
| | - Quang Vinh Nguyen
- Institute of Research and Development, Duy Tan University, Da Nang 550000, Vietnam;
| | - Van-Huy Nguyen
- Key Laboratory of Advanced Materials for Energy and Environmental Applications, Lac Hong University, Bien Hoa 810000, Vietnam;
| | - Thu-Ha Le
- Faculty of Materials Technology, Ho Chi Minh City University of Technology (HCMUT), Vietnam National University–Ho Chi Minh City (VNU–HCM), 268 Ly Thuong Kiet, District 10, Ho Chi Minh City 700000, Vietnam;
| | - Vu Quynh Nga Huynh
- The Faculty of Pharmacy, Duy Tan University, 03 Quang Trung, Danang 550000, Vietnam;
| | - Dai-Viet N. Vo
- Center of Excellence for Green Energy and Environmental Nanomaterials (CE@GrEEN), Nguyen Tat Thanh University, 300A Nguyen Tat Thanh, District 4, Ho Chi Minh City 755414, Vietnam;
| | - Quang Thang Trinh
- Cambridge Centre for Advanced Research and Education in Singapore (CARES), Campus for Research Excellence and Technological Enterprise (CREATE), 1 Create Way, Singapore 138602, Singapore;
| | - Soo Young Kim
- Department of Materials Science and Engineering, Korea University, 145 Anam-ro, Seongbuk-gu, Seoul 02841, Korea
| | - Quyet Van Le
- Institute of Research and Development, Duy Tan University, Da Nang 550000, Vietnam;
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157
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Radu IC, Biru IE, Damian CM, Ion AC, Iovu H, Tanasa E, Zaharia C, Galateanu B. Grafting versus Crosslinking of Silk Fibroin-g-PNIPAM via Tyrosine-NIPAM Bridges. Molecules 2019; 24:molecules24224096. [PMID: 31766195 PMCID: PMC6891396 DOI: 10.3390/molecules24224096] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2019] [Revised: 11/04/2019] [Accepted: 11/08/2019] [Indexed: 11/20/2022] Open
Abstract
This paper reports the synthesis and complex characterization of novel polymeric networks based on the crosslinking of Bombyx mori silk fibroin via poly(N-isopropylacrylamide) bridges generated by an ammonium cerium nitrate redox system. The research study gives an understanding of the polymerization mechanism in terms of the generation of radical sites, radical growth and termination reaction, as well as the involvement of modifications on silk fibroin structure and properties. The physico-chemical characterization was carried out by FTIR-ATR, X-ray photoelectron spectroscopy and RAMAN spectroscopy with unravelling the chemical modification. The structural characterization and spatial arrangement by secondary structure were carried out by X-ray diffraction and circular dichroism. The thermal behavior and thermal stability were evaluated by differential scanning calorimetry and thermogravimetric analysis. The novel complex polymer network is intended to be used in the field of smart drug delivery systems.
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Affiliation(s)
- Ionut-Cristian Radu
- Advanced Polymer Materials Group, Department of Bioresources and Polymer Science, Politehnica University of Bucharest, 011061 Bucharest, Romania; (I.-C.R.); (C.-M.D.); (A.-C.I.); (H.I.)
| | - Iuliana-Elena Biru
- Advanced Polymer Materials Group, Department of Bioresources and Polymer Science, Politehnica University of Bucharest, 011061 Bucharest, Romania; (I.-C.R.); (C.-M.D.); (A.-C.I.); (H.I.)
| | - Celina-Maria Damian
- Advanced Polymer Materials Group, Department of Bioresources and Polymer Science, Politehnica University of Bucharest, 011061 Bucharest, Romania; (I.-C.R.); (C.-M.D.); (A.-C.I.); (H.I.)
| | - Andreea-Cristina Ion
- Advanced Polymer Materials Group, Department of Bioresources and Polymer Science, Politehnica University of Bucharest, 011061 Bucharest, Romania; (I.-C.R.); (C.-M.D.); (A.-C.I.); (H.I.)
| | - Horia Iovu
- Advanced Polymer Materials Group, Department of Bioresources and Polymer Science, Politehnica University of Bucharest, 011061 Bucharest, Romania; (I.-C.R.); (C.-M.D.); (A.-C.I.); (H.I.)
| | - Eugenia Tanasa
- Faculty of Applied Chemistry and Materials Science, Politehnica University of Bucharest, 011061 Bucharest, Romania;
| | - Catalin Zaharia
- Advanced Polymer Materials Group, Department of Bioresources and Polymer Science, Politehnica University of Bucharest, 011061 Bucharest, Romania; (I.-C.R.); (C.-M.D.); (A.-C.I.); (H.I.)
- Correspondence: ; Tel.: +40-727-694-492
| | - Bianca Galateanu
- Department of Biochemistry and Molecular Biology, Faculty of Biology, University of Bucharest, 050095 Bucharest, Romania;
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158
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Passi M, Kumar V, Packirisamy G. Theranostic nanozyme: Silk fibroin based multifunctional nanocomposites to combat oxidative stress. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2019; 107:110255. [PMID: 31761203 DOI: 10.1016/j.msec.2019.110255] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/29/2019] [Revised: 09/10/2019] [Accepted: 09/25/2019] [Indexed: 11/16/2022]
Abstract
Multifunctional nanomaterials integrating therapeutic and imaging modalities in one platform have opened a new era in the present therapeutic strategies. In the present study, a multifunctional silk fibroin-based carrier has been designed for the delivery of antioxidant and imaging agents. One-step desolvation method was used to prepare sulforaphane (antioxidant drug) loaded silk fibroin nanoparticles (SFSNPs). These anionic SFSNPs were further coupled with cationic cerium oxide nanoparticles (CeNPs) and PEI passivated carbon dots (CDs) to form self-assembled CeNP-CD@SFSNPs nanocomposites. CDs were synthesized from mulberry leaves (Morus indica) as green source of carbon and bPEI as a passivating agent to get positively charged CDs. The CDs functioned as molecular probes by emitting green fluorescence while the presence of CeNPs augmented the antioxidant potential due to their unique redox property. Time-dependent in vitro release of sulforaphane was fast in acidic pH than under normal physiological conditions. Cytotoxicity studies were performed on L132 normal epithelial lung cell lines and A549 lung cancer cell lines to analyze the toxicity of the nanocomposites. Green fluorescence from the CDs facilitated in fluorescence microscopic imaging and cellular uptake studies. ROS scavenging capability was analyzed by exposing cells to H2O2 stress using flow cytometry and DCFH-DA staining. Overall, the synthesized CeNP-CD@SFSNPs nanocomposites efficiently reduced ROS levels by simultaneously enabling imaging of the cells. Thus, this CeNP-CD@SFSNPs nanocomposite could be a potential candidate for simultaneous imaging and drug delivery against oxidative stress.
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Affiliation(s)
- Mehak Passi
- Nanobiotechnology Laboratory, Centre for Nanotechnology, Indian Institute of Technology Roorkee, Roorkee, 247667, Uttarakhand, India
| | - Vinay Kumar
- Department of Biotechnology, Indian Institute of Technology Roorkee, Roorkee, 247667, Uttarakhand, India
| | - Gopinath Packirisamy
- Nanobiotechnology Laboratory, Centre for Nanotechnology, Indian Institute of Technology Roorkee, Roorkee, 247667, Uttarakhand, India; Department of Biotechnology, Indian Institute of Technology Roorkee, Roorkee, 247667, Uttarakhand, India.
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159
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Qu Y, Hong G, Liu L, Sasaki K, Chen X. Evaluation of silk fibroin electrogel coating for zirconia material surface. Dent Mater J 2019; 38:813-820. [PMID: 31341146 DOI: 10.4012/dmj.2018-228] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
Zirconia is commonly used in dental applications. It has been reported that surface-modified zirconia implants showed better performance in vivo than machined zirconia implants. Silk fibroin electrogel is a good candidate for controlled drug delivery; however, the use of silk fibroin electrogel on zirconia implants has not previously been reported. The aim of this study was to investigate a method to coat zirconia implants with silk fibroin electrogel and evaluate the mechanical and biological properties of the coating. The results show that the wettability of the coating was close to that of sand-blasted and acid-etched (SLA)-treated zirconia, and the bond strength was larger than that of the coating prepared from silk fibroin aqueous solution. ATR-FTIR spectra provided evidence that the secondary structure changed during the electrogelation process. Culturing cells on the coating revealed its nontoxicity to osteoblast-like cells. Thus, it can be suggested that a silk fibroin electrogel coating is a promising biocompatible and degradable drugdelivery material for zirconia implants.
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Affiliation(s)
- Yinying Qu
- Department of Orthodontics, Dalian Stomatological Hospital.,Division of Advanced Prosthetic Dentistry, Graduate School of Dentistry, Tohoku University
| | - Guang Hong
- Liaison Center for Innovative Dentistry, Graduate School of Dentistry, Tohoku University.,Faculty of Dental Medicine, Airlangga University
| | - Lin Liu
- Department of Orthodontics, Dalian Stomatological Hospital
| | - Keiichi Sasaki
- Division of Advanced Prosthetic Dentistry, Graduate School of Dentistry, Tohoku University
| | - Xiaodong Chen
- Department of Prosthetics, Dalian Stomatological Hospital
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160
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Gou S, Huang Y, Sung J, Xiao B, Merlin D. Silk fibroin-based nanotherapeutics: application in the treatment of colonic diseases. Nanomedicine (Lond) 2019; 14:2373-2378. [PMID: 31290366 PMCID: PMC7026768 DOI: 10.2217/nnm-2019-0058] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2019] [Accepted: 06/11/2019] [Indexed: 02/06/2023] Open
Abstract
The incidence of colonic diseases (e.g., inflammatory bowel diseases and colon cancer) is rapidly rising. Nanotherapeutic has been considered as a promising strategy in the treatment of colonic diseases. Silk fibroin (SF) has been widely used as a drug-carrier matrix. Interestingly, SF-based nanoparticles (SFNPs) have intrinsic anti-inflammatory activity, wound healing capacity and lysosomal environment-responsive drug-release property. With further investigations, the sequences of SF molecules could be precisely modified through chemical reactions or transgenic techniques to greatly improve the properties of SFNPs. Here, we review recent advances in the application of SFNPs toward the treatment of colonic diseases. We also discuss future developments that might improve the anti-inflammatory and anti-colon cancer activities of SF-based nanotherapeutics.
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Affiliation(s)
- Shuangquan Gou
- State Key Laboratory of Silkworm Genome Biology, School of Materials & Energy, Southwest University, Beibei, Chongqing 400715, PR China
- Chongqing Key Laboratory of Soft-Matter Material Chemistry & Function Manufacturing, School of Materials & Energy, Southwest University, Beibei, Chongqing 400715, PR China
| | - Yamei Huang
- State Key Laboratory of Silkworm Genome Biology, School of Materials & Energy, Southwest University, Beibei, Chongqing 400715, PR China
- Chongqing Key Laboratory of Soft-Matter Material Chemistry & Function Manufacturing, School of Materials & Energy, Southwest University, Beibei, Chongqing 400715, PR China
- Key Laboratory of Sericultural Biology & Genetic Breeding, Ministry of Agriculture & Rural Affairs, College of Biotechnology, Southwest University, Beibei, Chongqing 400715, PR China
| | - Junsik Sung
- Institute for Biomedical Sciences, Center for Diagnostics & Therapeutics, Georgia State University, Atlanta, GA 30302, USA
| | - Bo Xiao
- State Key Laboratory of Silkworm Genome Biology, School of Materials & Energy, Southwest University, Beibei, Chongqing 400715, PR China
- Key Laboratory of Sericultural Biology & Genetic Breeding, Ministry of Agriculture & Rural Affairs, College of Biotechnology, Southwest University, Beibei, Chongqing 400715, PR China
- Institute for Biomedical Sciences, Center for Diagnostics & Therapeutics, Georgia State University, Atlanta, GA 30302, USA
| | - Didier Merlin
- Institute for Biomedical Sciences, Center for Diagnostics & Therapeutics, Georgia State University, Atlanta, GA 30302, USA
- Atlanta Veterans Affairs Medical Center, Decatur, GA 30033, USA
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161
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Steady-State Behavior and Endothelialization of a Silk-Based Small-Caliber Scaffold In Vivo Transplantation. Polymers (Basel) 2019; 11:polym11081303. [PMID: 31382650 PMCID: PMC6723494 DOI: 10.3390/polym11081303] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2019] [Revised: 07/27/2019] [Accepted: 07/27/2019] [Indexed: 01/11/2023] Open
Abstract
A silk-based small-caliber tubular scaffold (SFTS), which is fabricated using a regenerated silk fibroin porous scaffold embedding a silk fabric core layer, has been proved to possess good cell compatibility and mechanical properties in vitro. In this study, the endothelialization ability and the steady-state blood flow of SFTSs were evaluated in vivo by implanting and replacing a common carotid artery in a rabbit. The results of the color doppler ultrasound and angiographies showed that the blood flow was circulated in the grafts without aneurysmal dilations or significant stenoses at any time point, and ran stronger and close to the autologous blood vessel from one month after implantation. The SFTSs presented an initial tridimensionality without being distorted or squashed. SEM and immunohistochemistry results showed that a clear and discontinuous endodermis appeared after one month of implantation; when implanted for three months, an endothelial layer fully covered the inner surface of SFTSs. RT-PCR results indicated that the gene expression level of CD31 in SFTSs was 45.8% and 75.3% by that of autologous blood vessels at 3 months and 12 months, respectively. The VEGF gene showed a high expression level that continued to increase after implantation.
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162
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Gou S, Huang Y, Wan Y, Ma Y, Zhou X, Tong X, Huang J, Kang Y, Pan G, Dai F, Xiao B. Multi-bioresponsive silk fibroin-based nanoparticles with on-demand cytoplasmic drug release capacity for CD44-targeted alleviation of ulcerative colitis. Biomaterials 2019; 212:39-54. [DOI: 10.1016/j.biomaterials.2019.05.012] [Citation(s) in RCA: 96] [Impact Index Per Article: 19.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2019] [Revised: 04/29/2019] [Accepted: 05/07/2019] [Indexed: 12/15/2022]
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163
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Hosseinkhani H, Domb AJ. Biodegradable polymers in gene‐silencing technology. POLYM ADVAN TECHNOL 2019. [DOI: 10.1002/pat.4713] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Affiliation(s)
| | - Abraham J. Domb
- School of Pharmacy‐Faculty of Medicine, Institute of Drug Research, The Center for Nanoscience and Nanotechnology and Alex Grass Center for drug Design and SynthesisThe Hebrew University of Jerusalem Jerusalem Israel
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164
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Gianak O, Kyzas GZ, Samanidou VF, Deliyanni EA. A Review for the Synthesis of Silk Fibroin Nanoparticles with Different Techniques and Their Ability to be Used for Drug Delivery. CURR ANAL CHEM 2019. [DOI: 10.2174/1573411014666180917110650] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
Background:
Silk fibroin is the main protein of silk, and it has recently been evaluated for
drug delivery applications due to its excellent properties. Specifically, silk fibroin exhibits good biocompatibility,
biodegradability and low immunogenicity. Fibroin nanoparticles have attracted attention
due to their high binding ability to different drugs as well as their ability for controlled drug release.
The improvement of the therapeutic efficiency of drug encapsulation is important and depends
on the particle size, the chemical structure and the properties of the silk fibroin nanoparticles.
Methods:
There is a variety of methods for the preparation of fibroin nanoparticles such as (i) electrospraying
and desolvation method, (ii) supercritical fluid technologies, (iii) capillary-microdot technique,
(iv) salting out etc. Furthermore, various techniques have been used for the characterization of
nanoparticles such as SEM (scanning electron microscopy), TEM (transmission electron microscopy),
DLS (dynamic light scattering), Zeta-potential and FTIR (Fourier transform infrared spectroscopy).
Different drugs (paclitaxel, curcumin, 5-fluorouracil etc) have been encapsulated in fibroin nanoparticles.
Results:
Each separated synthesis method has different advantages such as (i) high yield, (ii) avoid use
of toxic solvents, (iii) low cost, (iv) controllable particle size, (v) no organic solvent residue, (vi) simplicity
of operation, (vii) small particles size, (viii) homeliness of operation, (ix) restrainable particle
size, (x) easy and safe to operate, (xi) no use of organic solvent. Moreover, some major drugs studied
are Floxuridine, Fluorouracil, Curcumin, Doxorubicin, Metotrexate, Paclitaxel and Doxorubicin,
Horseradish peroxidase. All the above combinations (preparation method-drug) are studied in detail.
Conclusion:
Various drugs have been encapsulated successfully in silk fibroin and all of them exhibit
a significant release rate. Finally, the encapsulation efficiency and release rate depend on the molecular
weight of the drugs and it can be adjusted by controlling the crystallinity and concentration of silk
fibroin.
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Affiliation(s)
- Olga Gianak
- Laboratory of Analytical Chemistry, Department of Chemistry, Aristotle University of Thessaloniki, Thessaloniki GR- 54124, Greece
| | - George Z. Kyzas
- Hephaestus Advanced Laboratory, Eastern Macedonia and Thrace Institute of Technology, Kavala, GR-65404, Greece
| | - Victoria F. Samanidou
- Laboratory of Analytical Chemistry, Department of Chemistry, Aristotle University of Thessaloniki, Thessaloniki GR- 54124, Greece
| | - Eleni A. Deliyanni
- Division of Chemical Technology, Department of Chemistry, Aristotle University of Thessaloniki, Thessaloniki, GR-54124, Greece
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165
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Pham DT, Saelim N, Tiyaboonchai W. Alpha mangostin loaded crosslinked silk fibroin-based nanoparticles for cancer chemotherapy. Colloids Surf B Biointerfaces 2019; 181:705-713. [PMID: 31228853 DOI: 10.1016/j.colsurfb.2019.06.011] [Citation(s) in RCA: 36] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2019] [Revised: 05/08/2019] [Accepted: 06/05/2019] [Indexed: 02/02/2023]
Abstract
Silk fibroin has been utilized extensively for biomedical purposes, especially the drug delivery systems. This study introduced and characterized three novel α-mangostin loaded crosslinked fibroin nanoparticles (FNPs), using EDC or PEI as a crosslinker, for cancer treatment. All three formulas were spherical particles with a mean size of approximately 300 nm. By varying the type and/or amount of the crosslinkers, particle surface charge was controllable from -15 to +30 mV. Crosslinked FNPs exhibited higher drug entrapment efficiency (70%) and drug loading (7%) than non-crosslinked FNP. FT-IR, XRD, and DSC analytical methods confirmed that α-mangostin was entrapped in FNPs in molecular dispersion form. Compared to the free α-mangostin, the crosslinked FNPs increased the drug's solubility up to threefold. They also showed sustained release characteristics of more than 3 days, and reduced free α-mangostin hematotoxicity by 90%. The α-mangostin loaded FNPs were physicochemically stable for up to 24 h when dispersed in intravenous diluent and for at least 6 months when preserved as lyophilized powder at 4 °C. In terms of anticancer efficacy, on both Caco-2 colorectal and MCF-7 breast adenocarcinoma cell lines, all formulas maintain α-mangostin's apoptotic effect while exhibit greater cytotoxicity than the free drug. In conclusion, α-mangostin loaded crosslinked FNPs show high potential for cancer chemotherapy.
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Affiliation(s)
- Duy Toan Pham
- Faculty of Pharmaceutical Sciences, Naresuan University, Phitsanulok 65000, Thailand
| | - Nuttawut Saelim
- Faculty of Pharmaceutical Sciences, Naresuan University, Phitsanulok 65000, Thailand
| | - Waree Tiyaboonchai
- Faculty of Pharmaceutical Sciences, Naresuan University, Phitsanulok 65000, Thailand; The Center of Excellence for Innovation in Chemistry (PERCH-CIC), Commission on Higher Education, Ministry of Education, Bangkok, Thailand; The Center of Excellence in Medical Biotechnology, Naresuan University, Phitsanulok 65000, Thailand.
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166
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Farokhi M, Mottaghitalab F, Fatahi Y, Saeb MR, Zarrintaj P, Kundu SC, Khademhosseini A. Silk fibroin scaffolds for common cartilage injuries: Possibilities for future clinical applications. Eur Polym J 2019. [DOI: 10.1016/j.eurpolymj.2019.03.035] [Citation(s) in RCA: 50] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
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167
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Avani F, Damoogh S, Mottaghitalab F, Karkhaneh A, Farokhi M. Vancomycin loaded halloysite nanotubes embedded in silk fibroin hydrogel applicable for bone tissue engineering. INT J POLYM MATER PO 2019. [DOI: 10.1080/00914037.2019.1616201] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Affiliation(s)
- Farzaneh Avani
- Biomedical Engineering Faculty, Amirkabir University of Technology (Tehran Polytechnic), Tehran, Iran
| | - Sheyda Damoogh
- National Cell Bank of Iran, Pasteur Institute of Iran, Tehran, Iran
| | - Fatemeh Mottaghitalab
- Nanotechnology Research Centre, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran
| | - Akbar Karkhaneh
- Biomedical Engineering Faculty, Amirkabir University of Technology (Tehran Polytechnic), Tehran, Iran
| | - Mehdi Farokhi
- National Cell Bank of Iran, Pasteur Institute of Iran, Tehran, Iran
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168
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Nagarajan S, Radhakrishnan S, Kalkura SN, Balme S, Miele P, Bechelany M. Overview of Protein‐Based Biopolymers for Biomedical Application. MACROMOL CHEM PHYS 2019. [DOI: 10.1002/macp.201900126] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Affiliation(s)
- Sakthivel Nagarajan
- Institut Européen des Membranes, IEM–UMR 5635ENSCM, CNRS, University of Montpellier Montpellier 34090 France
| | | | | | - Sebastien Balme
- Institut Européen des Membranes, IEM–UMR 5635ENSCM, CNRS, University of Montpellier Montpellier 34090 France
| | - Philippe Miele
- Institut Européen des Membranes, IEM–UMR 5635ENSCM, CNRS, University of Montpellier Montpellier 34090 France
- Institut Universitaire de France MESRI, 1 rue Descartes, 75231 Paris cedex 05 France
| | - Mikhael Bechelany
- Institut Européen des Membranes, IEM–UMR 5635ENSCM, CNRS, University of Montpellier Montpellier 34090 France
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169
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Sun J, Shakya S, Gong M, Liu G, Wu S, Xiang Z. Combined Application of Graphene‐Family Materials and Silk Fibroin in Biomedicine. ChemistrySelect 2019. [DOI: 10.1002/slct.201804034] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Jiachen Sun
- Department of OrthopedicsWest China HospitalSichuan University Chengdu 610041 P. R. China
| | - Sujan Shakya
- Department of OrthopedicsWest China HospitalSichuan University Chengdu 610041 P. R. China
| | - Min Gong
- Department of OrthopedicsWest China HospitalSichuan University Chengdu 610041 P. R. China
| | - Guoming Liu
- Department of OrthopedicsWest China HospitalSichuan University Chengdu 610041 P. R. China
| | - Shuang Wu
- Department of OrthopedicsWest China HospitalSichuan University Chengdu 610041 P. R. China
| | - Zhou Xiang
- Department of OrthopedicsWest China HospitalSichuan University Chengdu 610041 P. R. China
- Division of Stem Cell and Tissue EngineeringState Key Laboratory of BiotherapyWest China HospitalSichuan University Chengdu 610041 P. R. China
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170
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Shi P, Zhang L, Tian W, Li H, Wang Q, Yi H, Yin Y, Wang A, Ning P, Dong F, Wang J. Preparation and anticoagulant activity of functionalised silk fibroin. Chem Eng Sci 2019. [DOI: 10.1016/j.ces.2019.01.022] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
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171
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Huang W, Chen Y, Chen L, Zhong J, Johri AM, Zhou J. Multimodality imaging-guided local injection of eccentric magnetic microcapsules with electromagnetically controlled drug release. Cancer Rep (Hoboken) 2019; 2:e1154. [PMID: 32935461 DOI: 10.1002/cnr2.1154] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2018] [Revised: 11/21/2018] [Accepted: 11/26/2018] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND In the past decade, trackable smart drug delivery systems have played important roles in the treatment of many diseases such as cancer because the drug carriers can be visualized through their distinct physical properties. However, it is still difficult to achieve precise drug delivery because such systems usually rely on a single imaging system. AIM This study aimed to present a novel type of multimodality imaging-guided strategy to visualize the drug carriers of eccentric magnetic microcapsule (EMM) designed for potential treatment of hepatocellular carcinoma (HCC). METHOD AND RESULTS The EMMs were prepared by using a three-phase microfluidic device. The as-prepared EMMs embedded with Fe3O4 nanoparticles are magnetic, with high density and acoustic impedance, allowing for visualization by magnetic resonance imaging (MRI), computed tomography (CT), and ultrasound (US) imaging during local injection. The release of drug from these EMMs can be further controlled by an external electromagnetic field (EMF). As a proof of concept, we demonstrated the process of multimodality imaging to guide local injection and the controlled release of doxorubicin (DOX) from the EMMs in a phantom. We showed that the release rate of DOX was directly correlated to the strength of the EMF. In addition, we cocultured green fluorescent protein (GFP)-transfected HeLa cancer cells with the DOX-loaded EMMs and documented their apoptosis by DOX following the release triggered by EMF. CONCLUSION The results suggest that these EMMs serve both as contrast agents that can be visualized by multimodality imaging techniques and as smart drug delivery systems, with great potential for precision medicine.
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Affiliation(s)
- Wenwei Huang
- School of Biomedical Engineering, Sun Yat-sen University, Guangzhou, China
| | - Yin Chen
- School of Biomedical Engineering, Sun Yat-sen University, Guangzhou, China
| | - Lanxi Chen
- School of Biomedical Engineering, Sun Yat-sen University, Guangzhou, China
| | - Jinshuang Zhong
- School of Biomedical Engineering, Sun Yat-sen University, Guangzhou, China.,Imaging Department, Sun Yat-sen University Cancer Center, Sun Yat-sen University, Guangzhou, China
| | - Amer M Johri
- Department of Medicine, Division of Cardiology, Cardiovascular Imaging Network at Queen's University, Kingston, ON, Canada
| | - Jianhua Zhou
- School of Biomedical Engineering, Sun Yat-sen University, Guangzhou, China
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172
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Tu H, Wu G, Yi Y, Huang M, Liu R, Shi X, Deng H. Layer-by-layer immobilization of amphoteric carboxymethyl chitosan onto biocompatible silk fibroin nanofibrous mats. Carbohydr Polym 2019; 210:9-16. [DOI: 10.1016/j.carbpol.2019.01.047] [Citation(s) in RCA: 42] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2018] [Revised: 01/11/2019] [Accepted: 01/14/2019] [Indexed: 01/02/2023]
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173
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Yang P, Dong Y, Huang D, Zhu C, Liu H, Pan X, Wu C. Silk fibroin nanoparticles for enhanced bio-macromolecule delivery to the retina. Pharm Dev Technol 2019; 24:575-583. [PMID: 30457420 DOI: 10.1080/10837450.2018.1545236] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Abstract
The aim of this study was to investigate intravitreal injection of silk fibroin nanoparticles (SFNs) encapsulating bio-macromolecules, achieving enhanced drug bioavailability, and extended retention in retina. SFNs were prepared with regenerated silk fibroin using desolvation method with fluorescein isothiocyanate labeled bovine serum albumin (FITC-BSA) as bio-macromolecular model drug encapsulated. In vitro physicochemical properties and in vitro drug release of FITC-BSA loaded SFNs (FITC-BSA-SFNs) were evaluated. Cytotoxicity, cellular uptake, and retention of FITC-BSA-SFNs were determined in human retinal pigment epithelial cell line (ARPE-19). In addition, in vivo distribution and safety of intravitreally administered FITC-BSA-SFNs were investigated in New Zealand white rabbits. The particle size of FITC-BSA-SFNs was 179.1 ± 3.7 nm with polydispersity index of 0.102 ± 0.033 and the zeta potential was greater than -25 mV. FITC-BSA-SFNs exhibited excellent biocompatibility with no cytotoxicity observed within 24 and 48 h in AREP-19 cells. Compared to FITC-BSA solution, FITC-BSA-SFNs showed enhanced cellular uptake and prolonged retention. Furthermore, FITC-BSA-SFNs achieved accumulated distribution and extended retention in retina in vivo following intravitreal injection compared to a single administration of free drug solution. Therefore, this bio-macromolecule delivery platform based on SFNs could have great potential in the treatment of posterior segment disorders.
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Affiliation(s)
- Pianpian Yang
- a School of Pharmaceutical Sciences , Sun Yat-Sen University , Guangzhou , China
| | - Yixuan Dong
- a School of Pharmaceutical Sciences , Sun Yat-Sen University , Guangzhou , China
| | - Di Huang
- a School of Pharmaceutical Sciences , Sun Yat-Sen University , Guangzhou , China
| | - Chune Zhu
- b Institute for Biomedical and Pharmaceutical Sciences , Guangdong University of Technology , Guangzhou , China
| | - Hu Liu
- c School of Pharmacy , Memorial University of Newfoundland , St. John's , NF , Canada
| | - Xin Pan
- a School of Pharmaceutical Sciences , Sun Yat-Sen University , Guangzhou , China
| | - Chuanbin Wu
- a School of Pharmaceutical Sciences , Sun Yat-Sen University , Guangzhou , China
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174
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Absorption, distribution, metabolism and excretion of the biomaterials used in Nanocarrier drug delivery systems. Adv Drug Deliv Rev 2019; 143:97-114. [PMID: 31255595 DOI: 10.1016/j.addr.2019.06.008] [Citation(s) in RCA: 94] [Impact Index Per Article: 18.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2018] [Revised: 06/16/2019] [Accepted: 06/25/2019] [Indexed: 12/13/2022]
Abstract
Nanocarriers (NCs) are a type of drug delivery system commonly used to regulate the pharmacokinetic and pharmacodynamic properties of drugs. Although a wide variety of NCs has been developed, relatively few have been registered for clinical trials and even fewer are clinically approved. Overt or potential toxicity, indistinct mechanisms of drug release and unsatisfactory pharmacokinetic behavior all contribute to their high failure rate during preclinical and clinical testing. These negative characteristics are not only due to the NCs themselves but also to the materials of the drug nanocarrier system (MDNS) that are released in vivo. In this article, we review the main analytical techniques used for bioassay of NCs and MDNS and their pharmacokinetics after administration by various routes. We anticipate our review will serve to improve the understanding of MDNS pharmacokinetics and facilitate the development of NC drug delivery systems.
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175
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Xu R, Zhang Z, Toftdal MS, Møller AC, Dagnaes-Hansen F, Dong M, Thomsen JS, Brüel A, Chen M. Synchronous delivery of hydroxyapatite and connective tissue growth factor derived osteoinductive peptide enhanced osteogenesis. J Control Release 2019; 301:129-139. [PMID: 30880079 DOI: 10.1016/j.jconrel.2019.02.037] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2018] [Revised: 02/21/2019] [Accepted: 02/25/2019] [Indexed: 10/27/2022]
Abstract
In bone tissue engineering, electrospun fibrous scaffolds can provide excellent mechanical support, extracellular matrix mimicking components, such as 3D spacial fibrous environment for cell growth and controlled release of signaling molecules for osteogenesis. Here, a facile strategy comprising the incorporation of an osteogenic inductive peptide H1, derived from the cysteine knot (CT) domain of connective tissue growth factor (CTGF), in the core of Silk Fibroin (SF) was developed for osteogenic induction, synergistically with co-delivering hydroxyapatite (HA) from the shell of poly(l-lactic acid-co-ε-caprolactone) (PLCL). The core-shell nanofibrous structure was confirmed by transmission electron microscopy (TEM). Furthermore, the sustained released H1 has effectively promoted proliferation and osteoblastic differentiation of human induced pluripotent stem cells-derived mesenchymal stem cells (hiPS-MSCs). Moreover, after 8 weeks implantation in mice, this SF-H1/PLCL-HA composite induced bone tissue formation significantly faster than SF/PLCL as indicated by μCT. The present study is the first to demonstrate that release of short hydrophilic peptides derived from CTGF combined with HA potentiated the regenerative capacity for healing critical sized calvarial defect in vivo.
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Affiliation(s)
- Ruodan Xu
- Department of Engineering, Aarhus University, DK-8000 Aarhus C, Denmark; Institute of Basic Theory for Chinese Medicine, China Academy of Chinese Medicine Science, China
| | - Zhongyang Zhang
- Interdisciplinary Nanoscience Center (iNANO), Aarhus University, DK-8000 Aarhus C, Denmark
| | | | | | - Frederik Dagnaes-Hansen
- Institute of Biomedicine, Aarhus University, Wilhelm Meyers Allé 4, DK-8000 Aarhus C, Denmark
| | - Mingdong Dong
- Interdisciplinary Nanoscience Center (iNANO), Aarhus University, DK-8000 Aarhus C, Denmark.
| | - Jesper Skovhus Thomsen
- Institute of Biomedicine, Aarhus University, Wilhelm Meyers Allé 4, DK-8000 Aarhus C, Denmark
| | - Annemarie Brüel
- Institute of Biomedicine, Aarhus University, Wilhelm Meyers Allé 4, DK-8000 Aarhus C, Denmark
| | - Menglin Chen
- Department of Engineering, Aarhus University, DK-8000 Aarhus C, Denmark; Interdisciplinary Nanoscience Center (iNANO), Aarhus University, DK-8000 Aarhus C, Denmark.
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176
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Sharma G, Sharma AR, Lee SS, Bhattacharya M, Nam JS, Chakraborty C. Advances in nanocarriers enabled brain targeted drug delivery across blood brain barrier. Int J Pharm 2019; 559:360-372. [DOI: 10.1016/j.ijpharm.2019.01.056] [Citation(s) in RCA: 101] [Impact Index Per Article: 20.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2018] [Revised: 01/31/2019] [Accepted: 01/31/2019] [Indexed: 01/13/2023]
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177
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Fukunaga K, Tsutsumi H, Mihara H. Self-Assembling Peptides as Building Blocks of Functional Materials for Biomedical Applications. BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN 2019. [DOI: 10.1246/bcsj.20180293] [Citation(s) in RCA: 77] [Impact Index Per Article: 15.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Kazuto Fukunaga
- School of Life Science and Technology, Tokyo Institute of Technology, Nagatsuta-cho 4259 B-40, Midori-ku, Yokohama, Kanagawa 226-8501, Japan
| | - Hiroshi Tsutsumi
- School of Life Science and Technology, Tokyo Institute of Technology, Nagatsuta-cho 4259 B-40, Midori-ku, Yokohama, Kanagawa 226-8501, Japan
| | - Hisakazu Mihara
- School of Life Science and Technology, Tokyo Institute of Technology, Nagatsuta-cho 4259 B-40, Midori-ku, Yokohama, Kanagawa 226-8501, Japan
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178
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Wongpinyochit T, Totten JD, Johnston BF, Seib FP. Microfluidic-assisted silk nanoparticle tuning. NANOSCALE ADVANCES 2019; 1:873-883. [PMID: 36132231 PMCID: PMC9473249 DOI: 10.1039/c8na00208h] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/12/2018] [Accepted: 11/09/2018] [Indexed: 05/13/2023]
Abstract
Silk is now making inroads into advanced pharmaceutical and biomedical applications. Both bottom-up and top-down approaches can be applied to silk and the resulting aqueous silk solution can be processed into a range of material formats, including nanoparticles. Here, we demonstrate the potential of microfluidics for the continuous production of silk nanoparticles with tuned particle characteristics. Our microfluidic-based design ensured efficient mixing of different solvent phases at the nanoliter scale, in addition to controlling the solvent ratio and flow rates. The total flow rate and aqueous : solvent ratios were important parameters affecting yield (1 mL min-1 > 12 mL min-1). The ratios also affected size and stability; a solvent : aqueous total flow ratio of 5 : 1 efficiently generated spherical nanoparticles 110 and 215 nm in size that were stable in water and had a high beta-sheet content. These 110 and 215 nm silk nanoparticles were not cytotoxic (IC50 > 100 μg mL-1) but showed size-dependent cellular trafficking. Overall, microfluidic-assisted silk nanoparticle manufacture is a promising platform that allows control of the silk nanoparticle properties by manipulation of the processing variables.
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Affiliation(s)
- Thidarat Wongpinyochit
- Strathclyde Institute of Pharmacy and Biomedical Sciences, University of Strathclyde 161 Cathedral Street Glasgow G4 0RE UK
| | - John D Totten
- Strathclyde Institute of Pharmacy and Biomedical Sciences, University of Strathclyde 161 Cathedral Street Glasgow G4 0RE UK
| | - Blair F Johnston
- Strathclyde Institute of Pharmacy and Biomedical Sciences, University of Strathclyde 161 Cathedral Street Glasgow G4 0RE UK
| | - F Philipp Seib
- Strathclyde Institute of Pharmacy and Biomedical Sciences, University of Strathclyde 161 Cathedral Street Glasgow G4 0RE UK
- Leibniz Institute of Polymer Research Dresden, Max Bergmann Center of Biomaterials Dresden Hohe Strasse 6 01069 Dresden Germany
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179
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Xu Z, Shi L, Yang M, Zhu L. Preparation and biomedical applications of silk fibroin-nanoparticles composites with enhanced properties - A review. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2019; 95:302-311. [DOI: 10.1016/j.msec.2018.11.010] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/14/2018] [Revised: 07/25/2018] [Accepted: 11/05/2018] [Indexed: 12/26/2022]
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180
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Triptolide-targeted delivery methods. Eur J Med Chem 2019; 164:342-351. [DOI: 10.1016/j.ejmech.2018.12.058] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2018] [Revised: 12/15/2018] [Accepted: 12/24/2018] [Indexed: 12/21/2022]
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181
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Liu C, Lin L, Huang Z, Wu Q, Jiang J, Lv L, Yu X, Quan G, Li G, Wu C. Novel Inhalable Ciprofloxacin Dry Powders for Bronchiectasis Therapy: Mannitol-Silk Fibroin Binary Microparticles with High-Payload and Improved Aerosolized Properties. AAPS PharmSciTech 2019; 20:85. [PMID: 30673901 DOI: 10.1208/s12249-019-1291-5] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2018] [Accepted: 12/28/2018] [Indexed: 11/30/2022] Open
Abstract
Non-cystic fibrosis bronchiectasis (NCFB) is a chronic respiratory disease associated with the high morbidity and mortality. Long-term intermittent therapy by inhalable antibiotics has recently emerged as an effective approach for NCFB treatment. However, the effective delivery of antibiotics to the lung requires administering a high dose to the site of infection. Herein, we investigated the novel inhalable silk-based microparticles as a promising approach to deliver high-payload ciprofloxacin (CIP) for NCFB therapy. Silk fibroin (SF) was applied to improve drug-payload and deposit efficiency of the dry powder particles. Mannitol was added as a mucokinetic agent. The dry powder inhaler (DPI) formulations of CIP microparticles were evaluated in vitro in terms of the aerodynamic performance, particle size distribution, drug loading, morphology, and their solid state. The optimal formulation (highest drug loading, 80%) exhibited superior aerosolization performance in terms of fine particle fraction (45.04 ± 0.84%), emitted dose (98.10 ± 1.27%), mass median aerodynamic diameter (3.75 ± 0.03 μm), and geometric standard deviation (1.66 ± 0.10). The improved drug loading was due to the electrostatic interactions between the SF and CIP by adsorption, and the superior aerosolization efficiency would be largely attributed to the fluffy and porous cotton-like property and low-density structure of SF. The presented results indicated the novel inhalable silk-based DPI microparticles of CIP could provide a promising strategy for the treatment of NCFB.
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182
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Li K, Li P, Fan Y. The assembly of silk fibroin and graphene-based nanomaterials with enhanced mechanical/conductive properties and their biomedical applications. J Mater Chem B 2019; 7:6890-6913. [DOI: 10.1039/c9tb01733j] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
The assembly of silk fibroin and graphene-based nanomaterials would present fantastic properties and functions via optimizing the interaction between each other, and can be processed into various formats to tailor specific biomedical applications.
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Affiliation(s)
- Kun Li
- School of Biological Science and Medical Engineering
- Beihang University
- Key Laboratory for Biomechanics and Mechanobiology of Ministry of Education
- Beijing 100083
- China
| | - Ping Li
- School of Biological Science and Medical Engineering
- Beihang University
- Key Laboratory for Biomechanics and Mechanobiology of Ministry of Education
- Beijing 100083
- China
| | - Yubo Fan
- School of Biological Science and Medical Engineering
- Beihang University
- Key Laboratory for Biomechanics and Mechanobiology of Ministry of Education
- Beijing 100083
- China
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183
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Huang J, Huang W, Chen Y, Zhang YS, Zhong J, Li Y, Zhou J. Eccentric magnetic microcapsules for MRI-guided local administration and pH-regulated drug release. RSC Adv 2018; 8:41956-41965. [PMID: 35558765 PMCID: PMC9092120 DOI: 10.1039/c8ra08501c] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2018] [Accepted: 11/29/2018] [Indexed: 12/17/2022] Open
Abstract
In this work, we present a novel class of uniform eccentric magnetic microcapsules based on polydimethylsiloxane (PDMS) for magnetic resonance imaging (MRI)-guided local injection and pH-regulated drug release. The microcapsules contained magnetic nanoparticles in their PDMS shells, which allowed them to be easily tracked by MRI during administration. Besides, they showed pH-dependent drug release profiles due to dissolution of the embedded magnetic nanoparticles in acidic solutions. Moreover, by tuning the mass fraction of the magnetic nanoparticles, we could further regulate the release rate of drug molecules from them. As a demonstration, we investigated the delivery of cis-platinum using the microcapsules through an in vitro cell test, which confirmed the pH-controlled release of the drug in phantom tissues. Our study suggests that this type of eccentric magnetic microcapsules could be simultaneously employed as a potential imaging contrast and a smart drug delivery system, holding great potential for guided local therapy.
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Affiliation(s)
- Jingxian Huang
- School of Biomedical Engineering, The First Affiliated Hospital, Sun Yat-sen University Guangzhou 510006 China +86 20 39387890 +86 20 39387890
| | - Wenwei Huang
- School of Biomedical Engineering, The First Affiliated Hospital, Sun Yat-sen University Guangzhou 510006 China +86 20 39387890 +86 20 39387890
| | - Yin Chen
- School of Biomedical Engineering, The First Affiliated Hospital, Sun Yat-sen University Guangzhou 510006 China +86 20 39387890 +86 20 39387890
| | - Yu Shrike Zhang
- Division of Engineering in Medicine, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School 65 Landsdowne Street Cambridge Massachusetts 02139 USA
| | - Jinshuang Zhong
- School of Biomedical Engineering, The First Affiliated Hospital, Sun Yat-sen University Guangzhou 510006 China +86 20 39387890 +86 20 39387890
- Imaging Department, Sun Yat-sen University Cancer Center, Sun Yat-sen University Guangzhou 510080 China
| | - Yan Li
- School of Biomedical Engineering, The First Affiliated Hospital, Sun Yat-sen University Guangzhou 510006 China +86 20 39387890 +86 20 39387890
| | - Jianhua Zhou
- School of Biomedical Engineering, The First Affiliated Hospital, Sun Yat-sen University Guangzhou 510006 China +86 20 39387890 +86 20 39387890
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Takeuchi I, Shimamura Y, Kakami Y, Kameda T, Hattori K, Miura S, Shirai H, Okumura M, Inagi T, Terada H, Makino K. Transdermal delivery of 40-nm silk fibroin nanoparticles. Colloids Surf B Biointerfaces 2018; 175:564-568. [PMID: 30579057 DOI: 10.1016/j.colsurfb.2018.12.012] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2018] [Revised: 11/06/2018] [Accepted: 12/06/2018] [Indexed: 10/27/2022]
Abstract
Transdermal administration of drugs improves their bioavailability and is capable of systemic and local treatment. To improve the skin permeability of drugs, nano-sized systems have attracted attention as drug carriers for transdermal drug delivery system. We considered that silk fibroin composed of a crystalline region with many hydrophobic amino acids and an amorphous region with many hydrophilic amino acids was useful as a carrier for transdermal administration of a drug because of the balance between hydrophilicity and hydrophobicity. In this study, silk fibroin nanoparticles with mean volume diameters of 42.3 nm were successfully prepared, and storage stability was confirmed by storing the nanoparticle suspension at 4, 32, and 37 °C for a week. At any storage temperature, the mean volume diameter and standard deviation were stable. The polydispersity indexes were 0.19-0.23, and no specific trends were observed. Then, to investigate the transdermal delivery route of the silk fibroin nanoparticles, skin permeability in vivo was evaluated using mice. Six hours after administration, fluorescent substances were observed in the dermis in addition to the stratum corneum, hair follicles and the epidermis around them. This result indicated that fibroin nanoparticles with the mean volume diameter of 40-nm penetrated the stratum corneum and was delivered deep into the skin. Therefore, it was suggested that small nanoparticles prepared using silk fibroin are useful for drug delivery to the dermis.
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Affiliation(s)
- Issei Takeuchi
- Faculty of Pharmaceutical Sciences, Tokyo University of Science, 2641, Yamazaki, Noda, Chiba 278-8510, Japan; Center for Drug Delivery Research, Tokyo University of Science, 2641, Yamazaki, Noda, Chiba 278-8510, Japan
| | - Yosuke Shimamura
- Faculty of Pharmaceutical Sciences, Tokyo University of Science, 2641, Yamazaki, Noda, Chiba 278-8510, Japan
| | - Yuki Kakami
- Faculty of Pharmaceutical Sciences, Tokyo University of Science, 2641, Yamazaki, Noda, Chiba 278-8510, Japan
| | - Tsunenori Kameda
- Silk Materials Research Unit, Institute of Agrobiological Sciences, National Agriculture and Food Research Organization (NARO), 2-1-2, Kannondai, Tsukuba, Ibaraki 305-8602, Japan
| | - Keitaro Hattori
- Kowa Research Laboratories for Advanced Science, Kowa Company Ltd., 1-25-5, Kannondai, Tsukuba, Ibaraki 305-0856, Japan
| | - Seiji Miura
- DDS Research Dept. Fuji Research Laboratories, Kowa Company Ltd., 332-1, Onoshinden, Fuji, Shizuoka 417-8650, Japan
| | - Hiroyuki Shirai
- DDS Research Dept. Fuji Research Laboratories, Kowa Company Ltd., 332-1, Onoshinden, Fuji, Shizuoka 417-8650, Japan
| | - Mutsuo Okumura
- Member of the Board Pharmaceutical Research Dept. Kowa Company Ltd., 6-29, Nishiki 3-chome, Naka-ku, Nagoya, Aichi 460-8625, Japan
| | - Toshio Inagi
- Faculty of Pharmaceutical Sciences, Tokyo University of Science, 2641, Yamazaki, Noda, Chiba 278-8510, Japan
| | - Hiroshi Terada
- Niigata University of Pharmacy and Applied Life Sciences, 265-1, Higashijima, Akiha-ku, Niigata City, Niigata 956-8603, Japan
| | - Kimiko Makino
- Faculty of Pharmaceutical Sciences, Tokyo University of Science, 2641, Yamazaki, Noda, Chiba 278-8510, Japan; Center for Drug Delivery Research, Tokyo University of Science, 2641, Yamazaki, Noda, Chiba 278-8510, Japan.
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185
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Zhao X, Chen Z, Liu Y, Huang Q, Zhang H, Ji W, Ren J, Li J, Zhao Y. Silk Fibroin Microparticles with Hollow Mesoporous Silica Nanocarriers Encapsulation for Abdominal Wall Repair. Adv Healthc Mater 2018; 7:e1801005. [PMID: 30294864 DOI: 10.1002/adhm.201801005] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2018] [Revised: 09/15/2018] [Indexed: 12/20/2022]
Abstract
Therapeutic vascularization appears to be an effective way of repairing abdominal wall defects. Attempts to implement this treatment tend to focus on the generation of featured drug carriers with the ability effectively to encapsulate the angiogenesis-stimulating agents and control their release to maintain an appropriate concentration at the injured area. Here, a new type of composite microparticle (CM) composed of silk fibroin (SF) and hollow mesoporous silica nanocarriers (HMSNs) is presented for therapeutic agent delivery. The CMs are generated by drying microfluidic emulsion templates of HMSN-dispersed SF solution. The resultant CMs have a distinctive micro-nanostructure, in which two barriers control the drug release. The encapsulated HMSNs increase the drug-carrying capacity of the CMs, and also form the first barrier via physical absorption. The microfluidic SF microparticles not only provide a shell with excellent monodispersity and biocompatibility but also form the second barrier via efficient encapsulation. Because of these superior properties of the CMs, the loaded drugs can be delivered with a satisfactory activity at the required rate, making them ideal for implementing therapeutic vascularization and repairing abdominal wall defects.
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Affiliation(s)
- Xin Zhao
- Research Institute of General Surgery, Jinling Hospital, Medical School of Nanjing University, Nanjing, 210002, China
| | - Zhuoyue Chen
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing, 210096, China
| | - Yuxiao Liu
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing, 210096, China
| | - Qian Huang
- Research Institute of General Surgery, Jinling Hospital, Medical School of Nanjing University, Nanjing, 210002, China
| | - Huidan Zhang
- School of Engineering and Applied Sciences and Department of Physics, Harvard University, Cambridge, MA, 02138, USA
| | - Wu Ji
- Research Institute of General Surgery, Jinling Hospital, Medical School of Nanjing University, Nanjing, 210002, China
| | - Jianan Ren
- Research Institute of General Surgery, Jinling Hospital, Medical School of Nanjing University, Nanjing, 210002, China
| | - Jieshou Li
- Research Institute of General Surgery, Jinling Hospital, Medical School of Nanjing University, Nanjing, 210002, China
| | - Yuanjin Zhao
- Research Institute of General Surgery, Jinling Hospital, Medical School of Nanjing University, Nanjing, 210002, China
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing, 210096, China
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186
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Sun Q, Qian B, Uto K, Chen J, Liu X, Minari T. Functional biomaterials towards flexible electronics and sensors. Biosens Bioelectron 2018; 119:237-251. [DOI: 10.1016/j.bios.2018.08.018] [Citation(s) in RCA: 96] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2018] [Revised: 08/08/2018] [Accepted: 08/09/2018] [Indexed: 12/15/2022]
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187
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Pudlarz A, Szemraj J. Nanoparticles as Carriers of Proteins, Peptides and Other Therapeutic Molecules. Open Life Sci 2018; 13:285-298. [PMID: 33817095 PMCID: PMC7874720 DOI: 10.1515/biol-2018-0035] [Citation(s) in RCA: 39] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2017] [Accepted: 05/08/2018] [Indexed: 12/12/2022] Open
Abstract
Nanoparticles have many applications both in industry and medicine. Depending upon their physical and chemical properties, they can be used as carriers of therapeutic molecules or as therapeutics. Nanoparticles are made of synthetic or natural polymers, lipids or metals. Their use allows for faster transport to the place of action, thus prolonging its presence in the body and limiting side effects. In addition, the use of such a drug delivery system protects the drug from rapid disintegration and elimination from the body. In recent years, the use of proteins and peptides as therapeutic molecules has grown significantly. Unfortunately, proteins are subject to enzymatic digestion and can cause unwanted immune response beyond therapeutic action. The use of drug carriers can minimize undesirable side effects and reduce the dose of medication needed to achieve the therapeutic effect. The current study presents the use of several selected drug delivery systems for the delivery of proteins, peptides and other therapeutic molecules.
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Affiliation(s)
- Agnieszka Pudlarz
- Department of Medical Biochemistry, Medical University of Lodz, Lodz, Poland
- E-mail:
| | - Janusz Szemraj
- Department of Medical Biochemistry, Medical University of Lodz, Lodz, Poland
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188
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Tallian C, Herrero-Rollett A, Stadler K, Vielnascher R, Wieland K, Weihs AM, Pellis A, Teuschl AH, Lendl B, Amenitsch H, Guebitz GM. Structural insights into pH-responsive drug release of self-assembling human serum albumin-silk fibroin nanocapsules. Eur J Pharm Biopharm 2018; 133:176-187. [PMID: 30291964 DOI: 10.1016/j.ejpb.2018.10.002] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2018] [Revised: 09/05/2018] [Accepted: 10/01/2018] [Indexed: 12/22/2022]
Abstract
Inflammation processes are associated with significant decreases in tissue or lysosomal pH from 7.4 to 4, a fact that argues for the application of pH-responsive drug delivery systems. However, for their design and optimization a full understanding of the release mechanism is crucial. In this study we investigated the pH-depending drug release mechanism and the influence of silk fibroin (SF) concentration and SF degradation degree of human serum albumin (HSA)-SF nanocapsules. Sonochemically produced nanocapsules were investigated regarding particle size, colloidal stability, protein encapsulation, thermal stability and drug loading properties. Particles of the monodisperse phase showed average hydrodynamic radii between 438 and 888 nm as measured by DLS and AFM and a zeta potential of -11.12 ± 3.27 mV. Together with DSC results this indicated the successful production of stable nanocapsules. ATR-FTIR analysis demonstrated that SF had a positive effect on particle formation and stability due to induced beta-sheet formation and enhanced crosslinking. The pH-responsive release was found to depend on the SF concentration. In in-vitro release studies, HSA-SF nanocapsules composed of 50% SF showed an increased pH-responsive release for all tested model substances (Rhodamine B, Crystal Violet and Evans Blue) and methotrexate at the lowered pH of 4.5 to pH 5.4, while HSA capsules without SF did not show any pH-responsive drug release. Mechanistic studies using confocal laser scanning microscopy (CLSM) and small angle X-ray scattering (SAXS) analyses showed that increases in particle porosity and decreases in particle densities are directly linked to pH-responsive release properties. Therefore, the pH-responsive release mechanism was identified as diffusion controlled in a novel and unique approach by linking scattering results with in-vitro studies. Finally, cytotoxicity studies using the human monocytic THP-1 cell line indicated non-toxic behavior of the drug loaded nanocapsules when applied in a concentration of 62.5 µg mL-1. Based on the obtained release properties of HSA-SF nanocapsules formulations and the results of in-vitro MTT assays, formulations containing 50% SF showed the highest requirements arguing for future in vivo experiments and application in the treatment of inflammatory diseases.
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Affiliation(s)
- Claudia Tallian
- Institute of Environmental Biotechnology, Department of Agrobiotechnology (IFA-Tulln), University of Natural Resources and Life Sciences, Vienna (BOKU), Konrad-Lorenz-Straße 20, 3430 Tulln an der Donau, Austria
| | - Alexandra Herrero-Rollett
- Institute of Environmental Biotechnology, Department of Agrobiotechnology (IFA-Tulln), University of Natural Resources and Life Sciences, Vienna (BOKU), Konrad-Lorenz-Straße 20, 3430 Tulln an der Donau, Austria.
| | - Karina Stadler
- Institute of Environmental Biotechnology, Department of Agrobiotechnology (IFA-Tulln), University of Natural Resources and Life Sciences, Vienna (BOKU), Konrad-Lorenz-Straße 20, 3430 Tulln an der Donau, Austria
| | - Robert Vielnascher
- Institute of Environmental Biotechnology, Department of Agrobiotechnology (IFA-Tulln), University of Natural Resources and Life Sciences, Vienna (BOKU), Konrad-Lorenz-Straße 20, 3430 Tulln an der Donau, Austria; ACIB - Austrian Centre of Industrial Biotechnology, Konrad-Lorenz-Straße 20, 3430 Tulln an der Donau, Austria
| | - Karin Wieland
- Institute of Chemical Technologies and Analytics, Division of Analytical Chemistry, Vienna University of Technology, Getreidemarkt 9/164 AC, 1060 Vienna, Austria
| | - Anna M Weihs
- Department of Biochemical Engineering, University of Applied Sciences Technikum Wien, 1200 Vienna, Austria; Austrian Cluster for Tissue Regeneration, Vienna, Austria
| | - Alessandro Pellis
- Institute of Environmental Biotechnology, Department of Agrobiotechnology (IFA-Tulln), University of Natural Resources and Life Sciences, Vienna (BOKU), Konrad-Lorenz-Straße 20, 3430 Tulln an der Donau, Austria; Department of Chemistry, University of York, Heslington, York YO10 5DD, United Kingdom
| | - Andreas H Teuschl
- Department of Biochemical Engineering, University of Applied Sciences Technikum Wien, 1200 Vienna, Austria; Austrian Cluster for Tissue Regeneration, Vienna, Austria
| | - Bernhard Lendl
- Institute of Chemical Technologies and Analytics, Division of Analytical Chemistry, Vienna University of Technology, Getreidemarkt 9/164 AC, 1060 Vienna, Austria
| | - Heinz Amenitsch
- Institute of Inorganic Chemistry, Graz University of Technology, Stremayrgasse 9/IV, 8010 Graz, Austria
| | - Georg M Guebitz
- Institute of Environmental Biotechnology, Department of Agrobiotechnology (IFA-Tulln), University of Natural Resources and Life Sciences, Vienna (BOKU), Konrad-Lorenz-Straße 20, 3430 Tulln an der Donau, Austria; ACIB - Austrian Centre of Industrial Biotechnology, Konrad-Lorenz-Straße 20, 3430 Tulln an der Donau, Austria.
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189
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Song R, Murphy M, Li C, Ting K, Soo C, Zheng Z. Current development of biodegradable polymeric materials for biomedical applications. Drug Des Devel Ther 2018; 12:3117-3145. [PMID: 30288019 PMCID: PMC6161720 DOI: 10.2147/dddt.s165440] [Citation(s) in RCA: 387] [Impact Index Per Article: 64.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
In the last half-century, the development of biodegradable polymeric materials for biomedical applications has advanced significantly. Biodegradable polymeric materials are favored in the development of therapeutic devices, including temporary implants and three-dimensional scaffolds for tissue engineering. Further advancements have occurred in the utilization of biodegradable polymeric materials for pharmacological applications such as delivery vehicles for controlled/sustained drug release. These applications require particular physicochemical, biological, and degradation properties of the materials to deliver effective therapy. As a result, a wide range of natural or synthetic polymers able to undergo hydrolytic or enzymatic degradation is being studied for biomedical applications. This review outlines the current development of biodegradable natural and synthetic polymeric materials for various biomedical applications, including tissue engineering, temporary implants, wound healing, and drug delivery.
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Affiliation(s)
- Richard Song
- Division of Growth and Development, Section of Orthodontics, School of Dentistry, University of California, Los Angeles, Los Angeles, CA, USA,
| | - Maxwell Murphy
- Division of Growth and Development, Section of Orthodontics, School of Dentistry, University of California, Los Angeles, Los Angeles, CA, USA,
| | - Chenshuang Li
- Division of Growth and Development, Section of Orthodontics, School of Dentistry, University of California, Los Angeles, Los Angeles, CA, USA,
| | - Kang Ting
- Division of Growth and Development, Section of Orthodontics, School of Dentistry, University of California, Los Angeles, Los Angeles, CA, USA,
- UCLA Department of Surgery and Department of Orthopaedic Surgery and The Orthopaedic Hospital Research Center, University of California, Los Angeles, Los Angeles, CA, USA,
- UCLA Department of Bioengineering, School of Engineering, University of California, Los Angeles, Los Angeles, CA, USA
| | - Chia Soo
- UCLA Department of Surgery and Department of Orthopaedic Surgery and The Orthopaedic Hospital Research Center, University of California, Los Angeles, Los Angeles, CA, USA,
| | - Zhong Zheng
- Division of Growth and Development, Section of Orthodontics, School of Dentistry, University of California, Los Angeles, Los Angeles, CA, USA,
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190
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Jiménez-Amezcua I, Carmona FJ, Romero-García I, Quirós M, Cenis JL, Lozano-Pérez AA, Maldonado CR, Barea E. Silk fibroin nanoparticles as biocompatible nanocarriers of a novel light-responsive CO-prodrug. Dalton Trans 2018; 47:10434-10438. [PMID: 29999505 DOI: 10.1039/c8dt02125b] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Abstract
[Mn(CO)3(2,2'-bipyridine)(PPh3)](ClO4) (1), a novel photoactive CO-releasing molecule, has been prepared and fully characterized. Besides, silk fibroin nanoparticles (SFNs) have been used, for the first time, as vehicles of 1 leading to the hybrid material 1@SFNs that shows an enhanced CO-delivery.
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Affiliation(s)
- Ignacio Jiménez-Amezcua
- Departamento de Química Inorgánica, Universidad de Granada, Av. Fuentenueva S/N, 18071 Granada, Spain.
| | - Francisco J Carmona
- Departamento de Química Inorgánica, Universidad de Granada, Av. Fuentenueva S/N, 18071 Granada, Spain.
| | - Ignacio Romero-García
- Departamento de Química Inorgánica, Universidad de Granada, Av. Fuentenueva S/N, 18071 Granada, Spain.
| | - Miguel Quirós
- Departamento de Química Inorgánica, Universidad de Granada, Av. Fuentenueva S/N, 18071 Granada, Spain.
| | - José L Cenis
- Departamento de Biotecnología, Instituto Murciano de Investigación y Desarrollo Agrario y Alimentario (IMIDA), La Alberca (Murcia), 30150, Spain
| | - A Abel Lozano-Pérez
- Departamento de Biotecnología, Instituto Murciano de Investigación y Desarrollo Agrario y Alimentario (IMIDA), La Alberca (Murcia), 30150, Spain
| | - Carmen R Maldonado
- Departamento de Química Inorgánica, Universidad de Granada, Av. Fuentenueva S/N, 18071 Granada, Spain.
| | - Elisa Barea
- Departamento de Química Inorgánica, Universidad de Granada, Av. Fuentenueva S/N, 18071 Granada, Spain.
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191
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Xu HL, ZhuGe DL, Chen PP, Tong MQ, Lin MT, Jiang X, Zheng YW, Chen B, Li XK, Zhao YZ. Silk fibroin nanoparticles dyeing indocyanine green for imaging-guided photo-thermal therapy of glioblastoma. Drug Deliv 2018; 25:364-375. [PMID: 29366360 PMCID: PMC6058481 DOI: 10.1080/10717544.2018.1428244] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
Silk was easily dyed in traditional textile industry because of its strong affinity to many colorants. Herein, the biocompatible silk fibroin was firstly extracted from Bombyx mori silkworm cocoons. And SF nanoparticles (SFNPs) were prepared for dyeing indocyanine green (ICG) and construct a therapeutic nano-platform (ICG-SFNPs) for photo-thermal therapy of glioblastoma. ICG was easily encapsulated into SFNPs with a very high encapsulation efficiency reaching to 97.7 ± 1.1%. ICG-SFNPs exhibited a spherical morphology with a mean particle size of 209.4 ± 1.4 nm and a negative zeta potential of −31.9 mV, exhibiting a good stability in physiological medium. Moreover, ICG-SFNPs showed a slow release profile of ICG in vitro, and only 24.51 ± 2.27% of the encapsulated ICG was released even at 72 h. Meanwhile, ICG-SFNPs exhibited a more stable photo-thermal effect than free ICG after exposure to near-infrared irradiation. The temperature of ICG-SFNPs rapidly increased by 33.9 °C within 10 min and maintained for a longer time. ICG-SFNPs were also easily internalized with C6 tumor cells in vitro, and a strong red fluorescence of ICG was observed in cytoplasm for cellular imaging. In vivo imaging showed that ICG-SFNPs were effectively accumulated inside tumor site of C6 glioma-bearing Xenograft nude mice through vein injection. Moreover, the temperature of tumor site was rapidly rising up to kill tumor cells after local NIR irradiation. After treatment, its growth was completely suppressed with the relative tumor volume of 0.55 ± 033 while free ICG of 33.72 ± 1.90. Overall, ICG-SFNPs may be an effective therapeutic means for intraoperative phototherapy and imaging.
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Affiliation(s)
- He-Lin Xu
- a Department of Pharmaceutics, School of Pharmaceutical Sciences , Wenzhou Medical University , Wenzhou City , Zhejiang Province , China
| | - De-Li ZhuGe
- a Department of Pharmaceutics, School of Pharmaceutical Sciences , Wenzhou Medical University , Wenzhou City , Zhejiang Province , China
| | - Pian-Pian Chen
- a Department of Pharmaceutics, School of Pharmaceutical Sciences , Wenzhou Medical University , Wenzhou City , Zhejiang Province , China
| | - Meng-Qi Tong
- a Department of Pharmaceutics, School of Pharmaceutical Sciences , Wenzhou Medical University , Wenzhou City , Zhejiang Province , China
| | - Meng-Ting Lin
- a Department of Pharmaceutics, School of Pharmaceutical Sciences , Wenzhou Medical University , Wenzhou City , Zhejiang Province , China
| | - Xue Jiang
- a Department of Pharmaceutics, School of Pharmaceutical Sciences , Wenzhou Medical University , Wenzhou City , Zhejiang Province , China
| | - Ya-Wen Zheng
- a Department of Pharmaceutics, School of Pharmaceutical Sciences , Wenzhou Medical University , Wenzhou City , Zhejiang Province , China
| | - Bin Chen
- b Department of Ultrasonography , The First Affiliated Hospital of Wenzhou Medical University , Wenzhou City , Zhejiang Province , China
| | - Xiao-Kun Li
- a Department of Pharmaceutics, School of Pharmaceutical Sciences , Wenzhou Medical University , Wenzhou City , Zhejiang Province , China
| | - Ying-Zheng Zhao
- a Department of Pharmaceutics, School of Pharmaceutical Sciences , Wenzhou Medical University , Wenzhou City , Zhejiang Province , China
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192
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Hassani Besheli N, Damoogh S, Zafar B, Mottaghitalab F, Motasadizadeh H, Rezaei F, Shokrgozar MA, Farokhi M. Preparation of a Codelivery System Based on Vancomycin/Silk Scaffold Containing Silk Nanoparticle Loaded VEGF. ACS Biomater Sci Eng 2018; 4:2836-2846. [DOI: 10.1021/acsbiomaterials.8b00149] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Affiliation(s)
- Negar Hassani Besheli
- School of Chemical Engineering, Collage of Engineering, University of Tehran, P.O. Box 11155-4563, Tehran 1417466191, Iran
| | - Sheyda Damoogh
- National Cell Bank of Iran, Pasteur Institute of Iran, P.O. Box 1316943551, Tehran 1316943551, Iran
| | - Bahareh Zafar
- Department of Medical Biotechnology, School of Advanced Technologies in Medicine, Tehran University of Medical Sciences, Tehran 14177-55469, Iran
| | - Fatemeh Mottaghitalab
- Nanotechnology Research Centre, Faculty of Pharmacy, Tehran University of Medical Sciences, P.O. Box 14155-6451, Tehran 1417613151, Iran
| | - Hamidreza Motasadizadeh
- Department of Pharmaceutical Nanotechnology, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran 1417614411, Iran
| | - Fatemeh Rezaei
- Faculty of Biomedical Engineering, Amirkabir University of Technology, Tehran 15875/4413, Iran
| | - Mohammad Ali Shokrgozar
- National Cell Bank of Iran, Pasteur Institute of Iran, P.O. Box 1316943551, Tehran 1316943551, Iran
| | - Mehdi Farokhi
- National Cell Bank of Iran, Pasteur Institute of Iran, P.O. Box 1316943551, Tehran 1316943551, Iran
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193
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Jiang Z, Tian Y, Shan D, Wang Y, Gerhard E, Xia J, Huang R, He Y, Li A, Tang J, Ruan H, Li Y, Li J, Yang J, Wu A. pH protective Y1 receptor ligand functionalized antiphagocytosis BPLP-WPU micelles for enhanced tumor imaging and therapy with prolonged survival time. Biomaterials 2018; 170:70-81. [DOI: 10.1016/j.biomaterials.2018.04.002] [Citation(s) in RCA: 34] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2018] [Revised: 03/28/2018] [Accepted: 04/01/2018] [Indexed: 12/18/2022]
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194
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Choi M, Choi D, Hong J. Multilayered Controlled Drug Release Silk Fibroin Nanofilm by Manipulating Secondary Structure. Biomacromolecules 2018; 19:3096-3103. [DOI: 10.1021/acs.biomac.8b00687] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Moonhyun Choi
- Department of Chemical & Biomolecular Engineering, College of Engineering, Yonsei University, 50 Yonsei-ro, Seodaemun-gu, Seoul 03722, Republic of Korea
| | - Daheui Choi
- Department of Chemical & Biomolecular Engineering, College of Engineering, Yonsei University, 50 Yonsei-ro, Seodaemun-gu, Seoul 03722, Republic of Korea
| | - Jinkee Hong
- Department of Chemical & Biomolecular Engineering, College of Engineering, Yonsei University, 50 Yonsei-ro, Seodaemun-gu, Seoul 03722, Republic of Korea
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195
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Farokhi M, Mottaghitalab F, Fatahi Y, Khademhosseini A, Kaplan DL. Overview of Silk Fibroin Use in Wound Dressings. Trends Biotechnol 2018; 36:907-922. [PMID: 29764691 DOI: 10.1016/j.tibtech.2018.04.004] [Citation(s) in RCA: 238] [Impact Index Per Article: 39.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2017] [Revised: 03/11/2018] [Accepted: 04/10/2018] [Indexed: 01/01/2023]
Abstract
Recently, biomimetic wound dressings were introduced as potential replacements for treating skin injuries. Although there are some clinically available skin replacements, the range of wound types and locations necessitates a broader range of options for the clinic. Natural polymeric-based dressings are of central interest in this area due to their outstanding biocompatibility, biodegradability, low toxicity, and non-allergenic nature. Among them, silk fibroin (SF) has exceptional characteristics as a wound dressing. SF-based dressings can also be used as carriers for delivering drugs, growth factors, and bioactive agents to the wound area, while providing appropriate support for complete healing. In this review, we describe recent advances in the development of SF-based wound dressings for skin regeneration.
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Affiliation(s)
- Mehdi Farokhi
- National Cell Bank of Iran, Pasteur Institute of Iran, Tehran, Iran.
| | - Fatemeh Mottaghitalab
- Nanotechnology Research Centre, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran
| | - Yousef Fatahi
- Department of pharmaceutical nanotechnology, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran
| | - Ali Khademhosseini
- Department of Bioengineering, Department of Chemical and Biomolecular Engineering, Department of Radiology, California NanoSystems Institute, University of California-Los Angeles, Los Angeles, CA, USA
| | - David L Kaplan
- Department of Biomedical Engineering, Tufts University, Medford, MA, USA
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196
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Silk Fibroin Nanoparticles for Drug Delivery: Effect of Bovine Serum Albumin and Magnetic Nanoparticles Addition on Drug Encapsulation and Release. SEPARATIONS 2018. [DOI: 10.3390/separations5020025] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
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197
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Mao B, Liu C, Zheng W, Li X, Ge R, Shen H, Guo X, Lian Q, Shen X, Li C. Cyclic cRGDfk peptide and Chlorin e6 functionalized silk fibroin nanoparticles for targeted drug delivery and photodynamic therapy. Biomaterials 2018; 161:306-320. [DOI: 10.1016/j.biomaterials.2018.01.045] [Citation(s) in RCA: 63] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2017] [Revised: 01/03/2018] [Accepted: 01/27/2018] [Indexed: 12/13/2022]
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198
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Montalbán MG, Coburn JM, Lozano-Pérez AA, Cenis JL, Víllora G, Kaplan DL. Production of Curcumin-Loaded Silk Fibroin Nanoparticles for Cancer Therapy. NANOMATERIALS (BASEL, SWITZERLAND) 2018; 8:E126. [PMID: 29495296 PMCID: PMC5853757 DOI: 10.3390/nano8020126] [Citation(s) in RCA: 106] [Impact Index Per Article: 17.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/27/2018] [Revised: 02/16/2018] [Accepted: 02/22/2018] [Indexed: 12/19/2022]
Abstract
Curcumin, extracted from the rhizome of Curcuma longa, has been widely used in medicine for centuries due to its anti-inflammatory, anti-cancer, anti-oxidant and anti-microbial effects. However, its bioavailability during treatments is poor because of its low solubility in water, slow dissolution rate and rapid intestinal metabolism. For these reasons, improving the therapeutic efficiency of curcumin using nanocarriers (e.g., biopolymer nanoparticles) has been a research focus, to foster delivery of the curcumin inside cells due to their small size and large surface area. Silk fibroin from the Bombyx mori silkworm is a biopolymer characterized by its biocompatibility, biodegradability, amphiphilic chemistry, and excellent mechanical properties in various material formats. These features make silk fibroin nanoparticles useful vehicles for delivering therapeutic drugs, such as curcumin. Curcumin-loaded silk fibroin nanoparticles were synthesized using two procedures (physical adsorption and coprecipitation) more scalable than methods previously described using ionic liquids. The results showed that nanoparticle formulations were 155 to 170 nm in diameter with a zeta potential of approximately -45 mV. The curcumin-loaded silk fibroin nanoparticles obtained by both processing methods were cytotoxic to carcinogenic cells, while not decreasing viability of healthy cells. In the case of tumor cells, curcumin-loaded silk fibroin nanoparticles presented higher efficacy in cytotoxicity against neuroblastoma cells than hepatocarcinoma cells. In conclusion, curcumin-loaded silk fibroin nanoparticles constitute a biodegradable and biocompatible delivery system with the potential to treat tumors by local, long-term sustained drug delivery.
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Affiliation(s)
- Mercedes G. Montalbán
- Department of Chemical Engineering, Faculty of Chemistry, Regional Campus of International Excellence “Campus Mare Nostrum”, University of Murcia, 30071 Murcia, Spain;
| | - Jeannine M. Coburn
- Department of Biomedical Engineering, Tufts University, Medford, MA 02155, USA; (J.M.C.); (D.L.K.)
- Department of Biomedical Engineering, Worcester Polytechnic Institute, Worcester, MA 01609, USA
| | - A. Abel Lozano-Pérez
- Department of Biotechnology, Instituto Murciano de Investigación y Desarrollo Agrario y Alimentario (IMIDA), La Alberca, 30150 Murcia, Spain; (A.A.L.-P.); (J.L.C.)
| | - José L. Cenis
- Department of Biotechnology, Instituto Murciano de Investigación y Desarrollo Agrario y Alimentario (IMIDA), La Alberca, 30150 Murcia, Spain; (A.A.L.-P.); (J.L.C.)
| | - Gloria Víllora
- Department of Chemical Engineering, Faculty of Chemistry, Regional Campus of International Excellence “Campus Mare Nostrum”, University of Murcia, 30071 Murcia, Spain;
| | - David L. Kaplan
- Department of Biomedical Engineering, Tufts University, Medford, MA 02155, USA; (J.M.C.); (D.L.K.)
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199
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Malekzad H, Mirshekari H, Sahandi Zangabad P, Moosavi Basri SM, Baniasadi F, Sharifi Aghdam M, Karimi M, Hamblin MR. Plant protein-based hydrophobic fine and ultrafine carrier particles in drug delivery systems. Crit Rev Biotechnol 2018; 38:47-67. [PMID: 28434263 PMCID: PMC5654697 DOI: 10.1080/07388551.2017.1312267] [Citation(s) in RCA: 49] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
For thousands of years, plants and their products have been used as the mainstay of medicinal therapy. In recent years, besides attempts to isolate the active ingredients of medicinal plants, other new applications of plant products, such as their use to prepare drug delivery vehicles, have been discovered. Nanobiotechnology is a branch of pharmacology that can provide new approaches for drug delivery by the preparation of biocompatible carrier nanoparticles (NPs). In this article, we review recent studies with four important plant proteins that have been used as carriers for targeted delivery of drugs and genes. Zein is a water-insoluble protein from maize; Gliadin is a 70% alcohol-soluble protein from wheat and corn; legumin is a casein-like protein from leguminous seeds such as peas; lectins are glycoproteins naturally occurring in many plants that recognize specific carbohydrate residues. NPs formed from these proteins show good biocompatibility, possess the ability to enhance solubility, and provide sustained release of drugs and reduce their toxicity and side effects. The effects of preparation methods on the size and loading capacity of these NPs are also described in this review.
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Affiliation(s)
- Hedieh Malekzad
- a Advanced Nanobiotechnology and Nanomedicine Research Group (ANNRG) , Iran University of Medical Sciences , Tehran , Iran
| | - Hamed Mirshekari
- b Department of Biotechnology , University of Kerala , Trivandrum , India
| | - Parham Sahandi Zangabad
- c Research Center for Pharmaceutical Nanotechnology (RCPN), Tabriz University of Medical Science (TUOMS) , Tabriz , Iran
- d Department of Material Science and Engineering , Sharif University of technology , Tehran , Iran
- e Universal Scientific Education and Research Network (USERN) , Tehran, Iran
| | - S M Moosavi Basri
- f Bioenvironmental Research Center, Sharif University of Technology , Tehran , Iran
- g Civil & Environmental Engineering Department , Shahid Beheshti University , Tehran , Iran
| | - Fazel Baniasadi
- d Department of Material Science and Engineering , Sharif University of technology , Tehran , Iran
| | | | - Mahdi Karimi
- i Cellular and Molecular Research Center, Iran University of Medical Sciences , Tehran , Iran
- j Department of Medical Nanotechnology, Faculty of Advanced Technologies in Medicine , Iran University of Medical Sciences , Tehran , Iran
- k Applied Biotechnology Research Center, School of Medicine, Tehran Medical Sciences Branch, Islamic Azad University , Tehran , Iran
| | - Michael R Hamblin
- l Wellman Center for Photomedicine, Massachusetts General Hospital , Boston , MA , USA
- m Department of Dermatology , Harvard Medical School , Boston , MA , USA
- n Harvard-MIT Division of Health Sciences and Technology , Cambridge , MA , USA
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200
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Crivelli B, Perteghella S, Bari E, Sorrenti M, Tripodo G, Chlapanidas T, Torre ML. Silk nanoparticles: from inert supports to bioactive natural carriers for drug delivery. SOFT MATTER 2018; 14:546-557. [PMID: 29327746 DOI: 10.1039/c7sm01631j] [Citation(s) in RCA: 66] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Silk proteins have been studied and employed for the production of drug delivery (nano)systems. They show excellent biocompatibility, controllable biodegradability and non-immunogenicity and, if needed, their properties can be modulated by blending with other polymers. Silk fibroin (SF), which forms the inner core of silk, is a (bio)material officially recognized by the Food and Drug Administration for human applications. Conversely, the potential of silk sericin (SS), which forms the external shell of silk, could still be considered under evaluation. At the best of our knowledge, nanoparticles based on silk sericin "alone" cannot be produced, due to its physicochemical instability influenced by extreme pH, high water solubility and temperature; for these reasons, it almost always needs to be combined with other polymers for the development of drug delivery systems. In this review, we focused on silk proteins as bioactive natural carriers, since they show not only optimal features as inert excipients, but also remarkable intrinsic biological activities. SF has anti-inflammatory properties, while SS presents antioxidant, anti-tyrosine, anti-aging, anti-elastase and anti-bacterial features. Here, we give an overview on SF or SS silk-based nanosystems, with particular attention on the production techniques.
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Affiliation(s)
- Barbara Crivelli
- Department of Drug Sciences, University of Pavia, Viale Taramelli 12, 27100, Pavia, Italy.
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