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Yuan X, Zhu W, Yang Z, He N, Chen F, Han X, Zhou K. Recent Advances in 3D Printing of Smart Scaffolds for Bone Tissue Engineering and Regeneration. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024:e2403641. [PMID: 38861754 DOI: 10.1002/adma.202403641] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/11/2024] [Revised: 05/15/2024] [Indexed: 06/13/2024]
Abstract
The repair and functional reconstruction of bone defects resulting from severe trauma, surgical resection, degenerative disease, and congenital malformation pose significant clinical challenges. Bone tissue engineering (BTE) holds immense potential in treating these severe bone defects, without incurring prevalent complications associated with conventional autologous or allogeneic bone grafts. 3D printing technology enables control over architectural structures at multiple length scales and has been extensively employed to process biomimetic scaffolds for BTE. In contrast to inert and functional bone grafts, next-generation smart scaffolds possess a remarkable ability to mimic the dynamic nature of native extracellular matrix (ECM), thereby facilitating bone repair and regeneration. Additionally, they can generate tailored and controllable therapeutic effects, such as antibacterial or antitumor properties, in response to exogenous and/or endogenous stimuli. This review provides a comprehensive assessment of the progress of 3D-printed smart scaffolds for BTE applications. It begins with an introduction to bone physiology, followed by an overview of 3D printing technologies utilized for smart scaffolds. Notable advances in various stimuli-responsive strategies, therapeutic efficacy, and applications of 3D-printed smart scaffolds are discussed. Finally, the review highlights the existing challenges in the development and clinical implementation of smart scaffolds, as well as emerging technologies in this field.
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Affiliation(s)
- Xun Yuan
- National Engineering Research Centre for High Efficiency Grinding, College of Mechanical and Vehicle Engineering, Hunan University, Changsha, 410082, China
| | - Wei Zhu
- National Engineering Research Centre for High Efficiency Grinding, College of Mechanical and Vehicle Engineering, Hunan University, Changsha, 410082, China
| | - Zhongyuan Yang
- National Engineering Research Centre for High Efficiency Grinding, College of Mechanical and Vehicle Engineering, Hunan University, Changsha, 410082, China
| | - Ning He
- National Engineering Research Centre for High Efficiency Grinding, College of Mechanical and Vehicle Engineering, Hunan University, Changsha, 410082, China
| | - Feng Chen
- National Engineering Research Centre for High Efficiency Grinding, College of Mechanical and Vehicle Engineering, Hunan University, Changsha, 410082, China
| | - Xiaoxiao Han
- National Engineering Research Centre for High Efficiency Grinding, College of Mechanical and Vehicle Engineering, Hunan University, Changsha, 410082, China
| | - Kun Zhou
- Singapore Centre for 3D Printing, School of Mechanical and Aerospace Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore, 639798, Singapore
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Quek J, Vizetto-Duarte C, Teoh SH, Choo Y. Towards Stem Cell Therapy for Critical-Sized Segmental Bone Defects: Current Trends and Challenges on the Path to Clinical Translation. J Funct Biomater 2024; 15:145. [PMID: 38921519 PMCID: PMC11205181 DOI: 10.3390/jfb15060145] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2024] [Revised: 05/18/2024] [Accepted: 05/24/2024] [Indexed: 06/27/2024] Open
Abstract
The management and reconstruction of critical-sized segmental bone defects remain a major clinical challenge for orthopaedic clinicians and surgeons. In particular, regenerative medicine approaches that involve incorporating stem cells within tissue engineering scaffolds have great promise for fracture management. This narrative review focuses on the primary components of bone tissue engineering-stem cells, scaffolds, the microenvironment, and vascularisation-addressing current advances and translational and regulatory challenges in the current landscape of stem cell therapy for critical-sized bone defects. To comprehensively explore this research area and offer insights for future treatment options in orthopaedic surgery, we have examined the latest developments and advancements in bone tissue engineering, focusing on those of clinical relevance in recent years. Finally, we present a forward-looking perspective on using stem cells in bone tissue engineering for critical-sized segmental bone defects.
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Affiliation(s)
- Jolene Quek
- Developmental Biology and Regenerative Medicine Programme, Lee Kong Chian School of Medicine, Nanyang Technological University, Singapore 308232, Singapore; (J.Q.); (C.V.-D.)
| | - Catarina Vizetto-Duarte
- Developmental Biology and Regenerative Medicine Programme, Lee Kong Chian School of Medicine, Nanyang Technological University, Singapore 308232, Singapore; (J.Q.); (C.V.-D.)
| | - Swee Hin Teoh
- Centre for Advanced Medical Engineering, College of Materials Science and Engineering, Hunan University, Changsha 410012, China
| | - Yen Choo
- Developmental Biology and Regenerative Medicine Programme, Lee Kong Chian School of Medicine, Nanyang Technological University, Singapore 308232, Singapore; (J.Q.); (C.V.-D.)
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Singh RR, Mondal I, Janjua T, Popat A, Kulshreshtha R. Engineered smart materials for RNA based molecular therapy to treat Glioblastoma. Bioact Mater 2024; 33:396-423. [PMID: 38059120 PMCID: PMC10696434 DOI: 10.1016/j.bioactmat.2023.11.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2023] [Revised: 10/19/2023] [Accepted: 11/14/2023] [Indexed: 12/08/2023] Open
Abstract
Glioblastoma (GBM) is an aggressive malignancy of the central nervous system (CNS) that remains incurable despite the multitude of improvements in cancer therapeutics. The conventional chemo and radiotherapy post-surgery have only been able to improve the prognosis slightly; however, the development of resistance and/or tumor recurrence is almost inevitable. There is a pressing need for adjuvant molecular therapies that can successfully and efficiently block tumor progression. During the last few decades, non-coding RNAs (ncRNAs) have emerged as key players in regulating various hallmarks of cancer including that of GBM. The levels of many ncRNAs are dysregulated in cancer, and ectopic modulation of their levels by delivering antagonists or overexpression constructs could serve as an attractive option for cancer therapy. The therapeutic potential of several types of ncRNAs, including miRNAs, lncRNAs, and circRNAs, has been validated in both in vitro and in vivo models of GBM. However, the delivery of these RNA-based therapeutics is highly challenging, especially to the tumors of the brain as the blood-brain barrier (BBB) poses as a major obstacle, among others. Also, since RNA is extremely fragile in nature, careful considerations must be met while designing a delivery agent. In this review we have shed light on how ncRNA therapy can overcome the limitations of its predecessor conventional therapy with an emphasis on smart nanomaterials that can aide in the safe and targeted delivery of nucleic acids to treat GBM. Additionally, critical gaps that currently exist for successful transition from viral to non-viral vector delivery systems have been identified. Finally, we have provided a perspective on the future directions, potential pathways, and target areas for achieving rapid clinical translation of, RNA-based macromolecular therapy to advance the effective treatment of GBM and other related diseases.
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Affiliation(s)
- Ravi Raj Singh
- Department of Biochemical Engineering and Biotechnology, Indian Institute of Technology Delhi, New Delhi, India
- School of Pharmacy, The University of Queensland, Brisbane, QLD, 4072, Australia
- University of Queensland –IIT Delhi Academy of Research (UQIDAR)
| | - Indranil Mondal
- Department of Biochemical Engineering and Biotechnology, Indian Institute of Technology Delhi, New Delhi, India
| | - Taskeen Janjua
- School of Pharmacy, The University of Queensland, Brisbane, QLD, 4072, Australia
| | - Amirali Popat
- School of Pharmacy, The University of Queensland, Brisbane, QLD, 4072, Australia
- Department of Functional Materials and Catalysis, Faculty of Chemistry, University of Vienna, Währinger Straße 42, 1090 Vienna, Austria
| | - Ritu Kulshreshtha
- Department of Biochemical Engineering and Biotechnology, Indian Institute of Technology Delhi, New Delhi, India
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de Freitas CF, Souza PR, Jacinto GS, Braga TL, Ricken YS, Souza GK, Caetano W, Radovanovic E, Arns CW, Rai M, Muniz EC. Silver Nanoparticles In Situ Synthesized and Incorporated in Uniaxial and Core-Shell Electrospun Nanofibers to Inhibit Coronavirus. Pharmaceutics 2024; 16:268. [PMID: 38399322 PMCID: PMC10893522 DOI: 10.3390/pharmaceutics16020268] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2023] [Revised: 01/28/2024] [Accepted: 02/03/2024] [Indexed: 02/25/2024] Open
Abstract
In the present study, we sought to develop materials applicable to personal and collective protection equipment to mitigate SARS-CoV-2. For this purpose, AgNPs were synthesized and stabilized into electrospinning nanofiber matrices (NMs) consisting of poly(vinyl alcohol) (PVA), chitosan (CHT), and poly-ε-caprolactone (PCL). Uniaxial nanofibers of PVA and PVA/CHT were developed, as well as coaxial nanofibers of PCL[PVA/CHT], in which the PCL works as a shell and the blend as a core. A crucial aspect of the present study is the in situ synthesis of AgNPs using PVA as a reducing and stabilizing agent. This process presents few steps, no additional toxic reducing agents, and avoids the postloading of drugs or the posttreatment of NM use. In general, the in situ synthesized AgNPs had an average size of 11.6 nm, and the incorporated nanofibers had a diameter in the range of 300 nm, with high uniformity and low polydispersity. The NM's spectroscopic, thermal, and mechanical properties were appropriate for the intended application. Uniaxial (PVA/AgNPs and PVA/CHT/AgNPs) and coaxial (PCL[PVA/CHT/AgNPs]) NMs presented virucidal activity (log's reduction ≥ 5) against mouse hepatitis virus (MHV-3) genus Betacoronavirus strains. In addition to that, the NMs did not present cytotoxicity against fibroblast cells (L929 ATCC® CCL-1TM lineage).
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Affiliation(s)
- Camila F. de Freitas
- Department of Chemistry, Federal University of Santa Catarina, Florianópolis 88040-900, Brazil
- Department of Chemistry, State University of Maringá, Av. Colombo, 5790, Maringá 87020-900, Brazil
| | - Paulo R. Souza
- Department of Chemistry, State University of Maringá, Av. Colombo, 5790, Maringá 87020-900, Brazil
| | - Gislaine S. Jacinto
- Laboratory of Virology, Institute of Biology, University of Campinas–UNICAMP, Campinas 13083-970, Brazil
| | - Thais L. Braga
- Department of Chemistry, State University of Maringá, Av. Colombo, 5790, Maringá 87020-900, Brazil
| | - Yara S. Ricken
- Department of Chemistry, Federal University of Santa Catarina, Florianópolis 88040-900, Brazil
| | - Gredson K. Souza
- Chemistry Institute, State University of Campinas, UNICAMP, Rua Josué de Castro Cidade Universitária, Campinas 13083-970, Brazil
| | - Wilker Caetano
- Department of Chemistry, State University of Maringá, Av. Colombo, 5790, Maringá 87020-900, Brazil
| | - Eduardo Radovanovic
- Department of Chemistry, State University of Maringá, Av. Colombo, 5790, Maringá 87020-900, Brazil
| | - Clarice W. Arns
- Laboratory of Virology, Institute of Biology, University of Campinas–UNICAMP, Campinas 13083-970, Brazil
| | - Mahendra Rai
- Department of Microbiology, Nicolaus Copernicus University, 87-100 Torun, Poland
- Department of Chemistry, Federal University of Piauí, Campus Ministro Petronio Portella, Ininga, Teresina 64049-550, Brazil
| | - Edvani C. Muniz
- Department of Chemistry, Federal University of Santa Catarina, Florianópolis 88040-900, Brazil
- Department of Chemistry, Federal University of Piauí, Campus Ministro Petronio Portella, Ininga, Teresina 64049-550, Brazil
- Department of Chemistry, Federal University of Technology-Paraná, Estrada dos Pioneiros, 3131, Londrina 86036-370, Brazil
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Lee H, Shin DY, Bang SJ, Han G, Na Y, Kang HS, Oh S, Yoon CB, Vijayavenkataraman S, Song J, Kim HE, Jung HD, Kang MH. A strategy for enhancing bioactivity and osseointegration with antibacterial effect by incorporating magnesium in polylactic acid based biodegradable orthopedic implant. Int J Biol Macromol 2024; 254:127797. [PMID: 37949272 DOI: 10.1016/j.ijbiomac.2023.127797] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2023] [Revised: 10/24/2023] [Accepted: 10/29/2023] [Indexed: 11/12/2023]
Abstract
Biodegradable orthopedic implants are essential for restoring the physiological structure and function of bone tissue while ensuring complete degradation after recovery. Polylactic acid (PLA), a biodegradable polymer, is considered a promising material due to its considerable mechanical properties and biocompatibility. However, further improvements are necessary to enhance the mechanical strength and bioactivity of PLA for reliable load-bearing orthopedic applications. In this study, a multifunctional PLA-based composite was fabricated by incorporating tricalcium phosphate (TCP) microspheres and magnesium (Mg) particles homogenously at a volume fraction of 40 %. This approach aims to enhance mechanical strength, accelerate pore generation, and improve biological and antibacterial performance. Mg content was incorporated into the composite at varying values of 1, 3, and 5 vol% (referred to as PLA/TCP-1 Mg, PLA/TCP-3 Mg, and PLA/TCP-5 Mg, respectively). The compressive strength and stiffness were significantly enhanced in all composites, reaching 87.7, 85.9, and 84.1 MPa, and 2.7, 3.0, and 3.1 GPa, respectively. The degradation test indicated faster elimination of the reinforcers as the Mg content increased, resulting in accelerated pore generation to induce enhanced osseointegration. Because PLA/TCP-3 Mg and PLA/TCP-5 Mg exhibited cracks in the PLA matrix due to rapid corrosion of Mg forming corrosion byproducts, to optimize the Mg particle content, PLA/TCP-1 Mg was selected for further evaluation. As determined by in vitro biological and antibacterial testing, PLA/TCP-1 Mg showed enhanced bioactivity with pre-osteoblast cells and exhibited antibacterial properties by suppressing bacterial colonization. Overall, the multifunctional PLA/TCP-Mg composite showed improved mechanobiological performance, making it a promising material for biodegradable orthopedic implants.
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Affiliation(s)
- Hyun Lee
- Department of Biomedical-Chemical Engineering, The Catholic University of Korea, 43 Jibong-ro, Bucheon-si, Gyeonggi-do 14662, Republic of Korea; Department of Biotechnology, The Catholic University of Korea, 43 Jibong-ro, Bucheon-si, Gyeonggi-do 14662, Republic of Korea
| | - Da Yong Shin
- Department of Materials Science and Engineering, Seoul National University, Seoul 08826, Republic of Korea
| | - Seo-Jun Bang
- Department of Biomedical-Chemical Engineering, The Catholic University of Korea, 43 Jibong-ro, Bucheon-si, Gyeonggi-do 14662, Republic of Korea; Department of Biotechnology, The Catholic University of Korea, 43 Jibong-ro, Bucheon-si, Gyeonggi-do 14662, Republic of Korea
| | - Ginam Han
- Department of Biomedical-Chemical Engineering, The Catholic University of Korea, 43 Jibong-ro, Bucheon-si, Gyeonggi-do 14662, Republic of Korea; Department of Biotechnology, The Catholic University of Korea, 43 Jibong-ro, Bucheon-si, Gyeonggi-do 14662, Republic of Korea
| | - Yuhyun Na
- Department of Biomedical-Chemical Engineering, The Catholic University of Korea, 43 Jibong-ro, Bucheon-si, Gyeonggi-do 14662, Republic of Korea; Department of Biotechnology, The Catholic University of Korea, 43 Jibong-ro, Bucheon-si, Gyeonggi-do 14662, Republic of Korea
| | - Hyeong Seok Kang
- Department of Biomedical-Chemical Engineering, The Catholic University of Korea, 43 Jibong-ro, Bucheon-si, Gyeonggi-do 14662, Republic of Korea; Department of Biotechnology, The Catholic University of Korea, 43 Jibong-ro, Bucheon-si, Gyeonggi-do 14662, Republic of Korea
| | - SeKwon Oh
- Research Institute of Advanced Manufacturing & Materials Technology, Korea Institute of Industrial Technology, Incheon 21999, Republic of Korea
| | - Chang-Bun Yoon
- Department of Advanced Materials Engineering, Tech University of Korea, Siheung-si 15073, Republic of Korea
| | - Sanjairaj Vijayavenkataraman
- Division of Engineering, New York University Abu Dhabi, Abu Dhabi, United Arab Emirates; Department of Mechanical and Aerospace Engineering, Tandon School of Engineering, New York University, NY, USA
| | - Juha Song
- School of Chemical and Biomedical Engineering, Nanyang Technological University, 70 Nanyang Drive, Singapore 637457, Singapore
| | - Hyoun-Ee Kim
- Department of Materials Science and Engineering, Seoul National University, Seoul 08826, Republic of Korea
| | - Hyun-Do Jung
- Department of Biomedical-Chemical Engineering, The Catholic University of Korea, 43 Jibong-ro, Bucheon-si, Gyeonggi-do 14662, Republic of Korea; Department of Biotechnology, The Catholic University of Korea, 43 Jibong-ro, Bucheon-si, Gyeonggi-do 14662, Republic of Korea
| | - Min-Ho Kang
- Department of Biomedical-Chemical Engineering, The Catholic University of Korea, 43 Jibong-ro, Bucheon-si, Gyeonggi-do 14662, Republic of Korea; Department of Biotechnology, The Catholic University of Korea, 43 Jibong-ro, Bucheon-si, Gyeonggi-do 14662, Republic of Korea.
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Diez-Escudero A, Espanol M, Ginebra MP. High-aspect-ratio nanostructured hydroxyapatite: towards new functionalities for a classical material. Chem Sci 2023; 15:55-76. [PMID: 38131070 PMCID: PMC10732134 DOI: 10.1039/d3sc05344j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2023] [Accepted: 11/20/2023] [Indexed: 12/23/2023] Open
Abstract
Hydroxyapatite-based materials have been widely used in countless applications, such as bone regeneration, catalysis, air and water purification or protein separation. Recently, much interest has been given to controlling the aspect ratio of hydroxyapatite crystals from bulk samples. The ability to exert control over the aspect ratio may revolutionize the applications of these materials towards new functional materials. Controlling the shape, size and orientation of HA crystals allows obtaining high aspect ratio structures, improving several key properties of HA materials such as molecule adsorption, ion exchange, catalytic reactions, and even overcoming the well-known brittleness of ceramic materials. Regulating the morphogenesis of HA crystals to form elongated oriented fibres has led to flexible inorganic synthetic sponges, aerogels, membranes, papers, among others, with applications in sustainability, energy and catalysis, and especially in the biomedical field.
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Affiliation(s)
- Anna Diez-Escudero
- Biomaterials, Biomechanics and Tissue Engineering Group, Department of Materials Science and Engineering, Universitat Politècnica de Catalunya (UPC) Av. Eduard Maristany 16 08019 Barcelona Spain
- Barcelona Research Center in Multiscale Science and Engineering, Universitat Politècnica de Catalunya (UPC) Av. Eduard Maristany 16 08019 Barcelona Spain
| | - Montserrat Espanol
- Biomaterials, Biomechanics and Tissue Engineering Group, Department of Materials Science and Engineering, Universitat Politècnica de Catalunya (UPC) Av. Eduard Maristany 16 08019 Barcelona Spain
- Barcelona Research Center in Multiscale Science and Engineering, Universitat Politècnica de Catalunya (UPC) Av. Eduard Maristany 16 08019 Barcelona Spain
| | - Maria-Pau Ginebra
- Biomaterials, Biomechanics and Tissue Engineering Group, Department of Materials Science and Engineering, Universitat Politècnica de Catalunya (UPC) Av. Eduard Maristany 16 08019 Barcelona Spain
- Barcelona Research Center in Multiscale Science and Engineering, Universitat Politècnica de Catalunya (UPC) Av. Eduard Maristany 16 08019 Barcelona Spain
- Institute for Bioengineering of Catalonia (IBEC), The Barcelona Institute of Science and Technology Baldiri Reixac 10-12 08028 Barcelona Spain
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Carrick FR, Hernandez LSAV, Sugaya K. Amelioration of Motor Performance and Nigrostriatal Dopamine Cell Volume Using a Novel Far-Infrared Ceramic Blanket in an A53T Alpha-Synuclein Transgenic Parkinson's Disease Mouse Model. Curr Issues Mol Biol 2023; 45:9823-9837. [PMID: 38132459 PMCID: PMC10742635 DOI: 10.3390/cimb45120613] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2023] [Revised: 11/29/2023] [Accepted: 12/01/2023] [Indexed: 12/23/2023] Open
Abstract
We had attended a Parkinson's Disease (PD) patient for a non-healing wound who reported a marked decrease in his hand tremor and freezing of gait when his wound was exposed to a ceramic far-field infrared (cFIR) blanket. PD is the most frequent motor disorder and the second most frequent neurodegenerative disease after Alzheimer's Disease (AD). The tremor, rigidity, and slowness of movement associated with Parkinson's disease (PD) affect up to 10 million people throughout the world, and the major contributing factor to the pathogenesis of PD is the accumulation and propagation of pathological α-synuclein (α-Syn) and the death of dopaminergic cells in the Nigrostriatal system. Efforts to slow or stop its spreading have resulted in the development and use of dopaminergic drug replacement therapy. Unfortunately, there is a loss of about 70-80% of substantia nigral dopaminergic neurons in patients by the time they are diagnosed with PD, and various dopaminergic drugs provide only temporary relief of their motor symptoms. There are limitations in treating PD with many conventional medications, necessitating a combination of pharmaceutical and non-pharmacological therapy as an essential adjunct to better address the health and welfare of PD patients. We used male adult A53T alpha-synuclein transgenic mice exposed to a ceramic far-infrared blanket. Motor activity was assessed using the rotarod apparatus, and mouse brains were examined to quantify the fluorescence intensities of the immunostained samples. A53T alpha-synuclein transgenic mice had a significantly shorter time stay on the rotating bar than the wild-type mice (B6C3H). The rotarod performance was significantly improved in A53T alpha-synuclein transgenic mice exposed to cFIR as well as B6C3H healthy wild mice exposed to cFIR. There was a significant statistical and substantive increase in the cellular composition of the Striatum and substantia nigra of cFIR-treated mice. Improvement in motor performance is seen in PD mice and wild mice and is associated with increases in cell volume in the substantia nigra and striatum after treatment.
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Affiliation(s)
- Frederick Robert Carrick
- College of Medicine, University of Central Florida, Orlando, FL 32827, USA;
- Burnett School of Biomedical Science, University of Central Florida, Orlando, FL 32827, USA;
- MGH Institute for Health Professions, Boston, MA 02129, USA
- Centre for Mental Health Research in Association, University of Cambridge, Cambridge CB2 1TN, UK
- Department of Neurology, Carrick Institute, Cape Canaveral, FL 32920, USA
| | | | - Kiminobu Sugaya
- College of Medicine, University of Central Florida, Orlando, FL 32827, USA;
- Burnett School of Biomedical Science, University of Central Florida, Orlando, FL 32827, USA;
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Kim S, Lee H, Hong J, Kim SHL, Kwon E, Park TH, Hwang NS. Bone-Targeted Delivery of Cell-Penetrating-RUNX2 Fusion Protein in Osteoporosis Model. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2023; 10:e2301570. [PMID: 37574255 PMCID: PMC10558633 DOI: 10.1002/advs.202301570] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/09/2023] [Revised: 07/20/2023] [Indexed: 08/15/2023]
Abstract
The onset of osteoporosis leads to a gradual decrease in bone density due to an imbalance between bone formation and resorption. To achieve optimal drug efficacy with minimal side effects, targeted drug delivery to the bone is necessary. Previous studies have utilized peptides that bind to hydroxyapatite, a mineral component of bone, for bone-targeted drug delivery. In this study, a hydroxyapatite binding (HAB) tag is fused to 30Kc19α-Runt-related transcription factor 2 (RUNX2) for bone-targeting. This recombinant protein can penetrate the nucleus of human mesenchymal stem cells (hMSCs) and act as a master transcription factor for osteogenesis. The HAB tag increases the binding affinity of 30Kc19α-RUNX2 to mineral deposition in mature osteoblasts and bone tissue, without affecting its osteogenic induction capability. In the osteoporosis mouse model, intravenous injection of HAB-30Kc19α-RUNX2 results in preferential accumulation in the femur and promotes bone formation while reducing toxicity in the spleen. These findings suggest that HAB-30Kc19α-RUNX2 may be a promising candidate for bone-targeted therapy in osteoporosis.
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Affiliation(s)
- Seoyeon Kim
- School of Chemical and Biological EngineeringInstitute of Chemical ProcessesSeoul National University1 Gwanak‐ro, Gwanak‐guSeoul08826Republic of Korea
| | - Haein Lee
- School of Chemical and Biological EngineeringInstitute of Chemical ProcessesSeoul National University1 Gwanak‐ro, Gwanak‐guSeoul08826Republic of Korea
| | - Jiyeon Hong
- School of Chemical and Biological EngineeringInstitute of Chemical ProcessesSeoul National University1 Gwanak‐ro, Gwanak‐guSeoul08826Republic of Korea
| | - Seung Hyun L. Kim
- Interdisciplinary Program in BioengineeringSeoul National University1 Gwanak‐ro, Gwanak‐guSeoul08826Republic of Korea
| | - Euntaek Kwon
- Interdisciplinary Program in BioengineeringSeoul National University1 Gwanak‐ro, Gwanak‐guSeoul08826Republic of Korea
| | - Tai Hyun Park
- School of Chemical and Biological EngineeringInstitute of Chemical ProcessesSeoul National University1 Gwanak‐ro, Gwanak‐guSeoul08826Republic of Korea
- Interdisciplinary Program in BioengineeringSeoul National University1 Gwanak‐ro, Gwanak‐guSeoul08826Republic of Korea
- BioMAX/N‐Bio InstituteInstitute of BioEngineerigSeoul National University1 Gwanakro, Gwanak‐guSeoul08826Republic of Korea
- Department of Nutritional Science and Food ManagementEwha Womans University52, Ewhayeodae‐gil, Seodaemun‐guSeoul03760Republic of Korea
| | - Nathaniel S. Hwang
- School of Chemical and Biological EngineeringInstitute of Chemical ProcessesSeoul National University1 Gwanak‐ro, Gwanak‐guSeoul08826Republic of Korea
- Interdisciplinary Program in BioengineeringSeoul National University1 Gwanak‐ro, Gwanak‐guSeoul08826Republic of Korea
- BioMAX/N‐Bio InstituteInstitute of BioEngineerigSeoul National University1 Gwanakro, Gwanak‐guSeoul08826Republic of Korea
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Falak S, Shin B, Kang C, Khan ZA, Huh DS. Novel Capturer-Catalyst Microreactor System with a Polypyrrole/Metal Nanoparticle Composite Incorporated in the Porous Honeycomb-Patterned Film. ACS APPLIED MATERIALS & INTERFACES 2023; 15:44456-44468. [PMID: 37635296 DOI: 10.1021/acsami.3c07667] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/29/2023]
Abstract
A composite of polypyrrole/metal nanoparticles (PPy/MNPs) was selectively incorporated into the pores of a honeycomb-patterned porous polycaprolactone polymer film to fabricate a novel capturer-catalyst microreactor system. This fabrication involved a modified breath figure method, where the polymer solution containing metal ions as an oxidizing agent was cast under humid conditions along with the pyrrole monomer through an interfacial reaction in a one-step in situ process. The higher hydrophilicity of the metal ions compared to the polymer solution led to their self-assembly around the pore surface, resulting in the selective incorporation of the PPy/MNP composite into the porous film. Copper (Cu), silver (Ag), and gold (Au) were used for the PPy/MNP fabrication. Various methods characterized the fabricated film. Strong catalytic degradations of methylene blue and methyl orange were obtained with PCL-PPy/MNPs. Recycling experiments showed no loss of activity even after five cycles of recycling. Comparative analysis of PCL-PPy, PCL-MNP, and PCL-PPy/MNP results indicated the synergistic action of PPy and MNPs in dye degradation. High-performance liquid chromatography and mass spectroscopy analyses confirmed dye degradation after treatment with a fabricated microreactor. PPy might have acted as a capturer of the dye molecule and MNPs as a catalyst, thereby enhancing the efficiency of dye degradation. Additionally, the PCL-PPy/Cu composite exhibited strong antimicrobial properties against Gram-positive (Staphylococcus aureus) and Gram-negative bacteria (Escherichia coli) with no cytotoxicity as measured by the MTT assay. Therefore, the fabricated microreactor film has promising applications in various fields.
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Affiliation(s)
- Shahkar Falak
- Department of Nano Science and Engineering, Center of Nano Manufacturing, Inje University, Gimhae City 50834, Republic of Korea
| | - Bokyoung Shin
- Department of Nano Science and Engineering, Center of Nano Manufacturing, Inje University, Gimhae City 50834, Republic of Korea
| | - Chaewon Kang
- Department of Nano Science and Engineering, Center of Nano Manufacturing, Inje University, Gimhae City 50834, Republic of Korea
| | - Zeeshan Ahmad Khan
- Department of Nano Science and Engineering, Center of Nano Manufacturing, Inje University, Gimhae City 50834, Republic of Korea
| | - Do Sung Huh
- Department of Nano Science and Engineering, Center of Nano Manufacturing, Inje University, Gimhae City 50834, Republic of Korea
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Plocon C, Evanghelidis A, Enculescu M, Isopencu G, Oprea O, Bacalum M, Raileanu M, Jinga S, Busuioc C. Development and Characterization of Electrospun Composites Built on Polycaprolactone and Cerium-Containing Phases. Int J Mol Sci 2023; 24:14201. [PMID: 37762504 PMCID: PMC10532413 DOI: 10.3390/ijms241814201] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2023] [Revised: 09/13/2023] [Accepted: 09/15/2023] [Indexed: 09/29/2023] Open
Abstract
The current study reports on the fabrication of composite scaffolds based on polycaprolactone (PCL) and cerium (Ce)-containing powders, followed by their characterization from compositional, structural, morphological, optical and biological points of view. First, CeO2, Ce-doped calcium phosphates and Ce-substituted bioglass were synthesized by wet-chemistry methods (precipitation/coprecipitation and sol-gel) and subsequently loaded on PCL fibres processed by electrospinning. The powders were proven to be nanometric or micrometric, while the investigation of their phase composition showed that Ce was present as a dopant within the crystal lattice of the obtained calcium phosphates or as crystalline domains inside the glassy matrix. The best bioactivity was attained in the case of Ce-containing bioglass, while the most pronounced antibacterial effect was visible for Ce-doped calcium phosphates calcined at a lower temperature. The scaffolds were composed of either dimensionally homogeneous fibres or mixtures of fibres with a wide size distribution and beads of different shapes. In most cases, the increase in polymer concentration in the precursor solution ensured the achievement of more ordered fibre mats. The immersion in SBF for 28 days triggered an incipient degradation of PCL, evidenced mostly through cracks and gaps. In terms of biological properties, the composite scaffolds displayed a very good biocompatibility when tested with human osteoblast cells, with a superior response for the samples consisting of the polymer and Ce-doped calcium phosphates.
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Affiliation(s)
- Cristiana Plocon
- University Politehnica of Bucharest, RO-060042 Bucharest, Romania; (C.P.); (G.I.); (O.O.); (S.J.)
| | | | - Monica Enculescu
- National Institute for Materials Physics, RO-077125 Magurele, Romania; (A.E.); (M.E.)
| | - Gabriela Isopencu
- University Politehnica of Bucharest, RO-060042 Bucharest, Romania; (C.P.); (G.I.); (O.O.); (S.J.)
| | - Ovidiu Oprea
- University Politehnica of Bucharest, RO-060042 Bucharest, Romania; (C.P.); (G.I.); (O.O.); (S.J.)
| | - Mihaela Bacalum
- National Institute of Physics and Nuclear Engineering, RO-077125 Magurele, Romania; (M.B.); (M.R.)
| | - Mina Raileanu
- National Institute of Physics and Nuclear Engineering, RO-077125 Magurele, Romania; (M.B.); (M.R.)
| | - Sorin Jinga
- University Politehnica of Bucharest, RO-060042 Bucharest, Romania; (C.P.); (G.I.); (O.O.); (S.J.)
| | - Cristina Busuioc
- University Politehnica of Bucharest, RO-060042 Bucharest, Romania; (C.P.); (G.I.); (O.O.); (S.J.)
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11
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Menotti F, Scutera S, Coppola B, Longo F, Mandras N, Cavallo L, Comini S, Sparti R, Fiume E, Cuffini AM, Banche G, Palmero P, Allizond V. Tuning of Silver Content on the Antibacterial and Biological Properties of Poly(ɛ-caprolactone)/Biphasic Calcium Phosphate 3D-Scaffolds for Bone Tissue Engineering. Polymers (Basel) 2023; 15:3618. [PMID: 37688244 PMCID: PMC10489712 DOI: 10.3390/polym15173618] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2023] [Revised: 08/29/2023] [Accepted: 08/29/2023] [Indexed: 09/10/2023] Open
Abstract
There is a growing interest in tissue engineering, in which biomaterials play a pivotal role in promoting bone regeneration. Furthermore, smart functionalization can provide biomaterials with the additional role of preventing orthopedic infections. Due to the growing microbial resistance to antimicrobials used to treat those infections, metal ions, such as silver, thanks to their known wide range of bactericidal properties, are believed to be promising additives in developing antibacterial biomaterials. In this work, novel poly(ε-caprolactone) (PCL)-based 3D scaffolds have been designed and developed, where the polymer matrix was modified with both silver (Ag), to supply antibacterial behavior, and calcium phosphates (biphasic calcium phosphate, BCP) particles to impart bioactive/bioresorbable properties. The microstructural analysis showed that constructs were characterized by square-shaped macropores, in line with the morphology and size of the templating salts used as pore formers. Degradation tests demonstrated the important role of calcium phosphates in improving PCL hydrophilicity, leading to a higher degradation degree for BCP/PCL composites compared to the neat polymer after 18 days of soaking. The appearance of an inhibition halo around the silver-functionalized PCL scaffolds for assayed microorganisms and a significant (p < 0.05) decrease in both adherent and planktonic bacteria demonstrate the Ag+ release from the 3D constructs. Furthermore, the PCL scaffolds enriched with the lowest silver percentages did not hamper the viability and proliferation of Saos-2 cells. A synergic combination of antimicrobial, osteoproliferative and biodegradable features provided to 3D scaffolds the required potential for bone tissue engineering, beside anti-microbial properties for reduction in prosthetic joints infections.
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Affiliation(s)
- Francesca Menotti
- Department of Public Health and Pediatrics, University of Torino, 10126 Turin, Italy; (F.M.); (S.S.); (F.L.); (N.M.); (L.C.); (R.S.); (A.M.C.); (V.A.)
| | - Sara Scutera
- Department of Public Health and Pediatrics, University of Torino, 10126 Turin, Italy; (F.M.); (S.S.); (F.L.); (N.M.); (L.C.); (R.S.); (A.M.C.); (V.A.)
| | - Bartolomeo Coppola
- Department of Applied Science and Technology, Politecnico di Torino, 10129 Turin, Italy; (B.C.); (P.P.)
| | - Fabio Longo
- Department of Public Health and Pediatrics, University of Torino, 10126 Turin, Italy; (F.M.); (S.S.); (F.L.); (N.M.); (L.C.); (R.S.); (A.M.C.); (V.A.)
| | - Narcisa Mandras
- Department of Public Health and Pediatrics, University of Torino, 10126 Turin, Italy; (F.M.); (S.S.); (F.L.); (N.M.); (L.C.); (R.S.); (A.M.C.); (V.A.)
| | - Lorenza Cavallo
- Department of Public Health and Pediatrics, University of Torino, 10126 Turin, Italy; (F.M.); (S.S.); (F.L.); (N.M.); (L.C.); (R.S.); (A.M.C.); (V.A.)
| | - Sara Comini
- Department of Public Health and Pediatrics, University of Torino, 10126 Turin, Italy; (F.M.); (S.S.); (F.L.); (N.M.); (L.C.); (R.S.); (A.M.C.); (V.A.)
| | - Rosaria Sparti
- Department of Public Health and Pediatrics, University of Torino, 10126 Turin, Italy; (F.M.); (S.S.); (F.L.); (N.M.); (L.C.); (R.S.); (A.M.C.); (V.A.)
| | - Elisa Fiume
- Department of Applied Science and Technology, Politecnico di Torino, 10129 Turin, Italy; (B.C.); (P.P.)
| | - Anna Maria Cuffini
- Department of Public Health and Pediatrics, University of Torino, 10126 Turin, Italy; (F.M.); (S.S.); (F.L.); (N.M.); (L.C.); (R.S.); (A.M.C.); (V.A.)
| | - Giuliana Banche
- Department of Public Health and Pediatrics, University of Torino, 10126 Turin, Italy; (F.M.); (S.S.); (F.L.); (N.M.); (L.C.); (R.S.); (A.M.C.); (V.A.)
| | - Paola Palmero
- Department of Applied Science and Technology, Politecnico di Torino, 10129 Turin, Italy; (B.C.); (P.P.)
| | - Valeria Allizond
- Department of Public Health and Pediatrics, University of Torino, 10126 Turin, Italy; (F.M.); (S.S.); (F.L.); (N.M.); (L.C.); (R.S.); (A.M.C.); (V.A.)
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Delgado-Rivera R, García-Rodríguez W, López L, Cunci L, Resto PJ, Domenech M. PCL/PEO Polymer Membrane Prevents Biofouling in Wearable Detection Sensors. MEMBRANES 2023; 13:728. [PMID: 37623789 PMCID: PMC10456225 DOI: 10.3390/membranes13080728] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/05/2023] [Revised: 07/27/2023] [Accepted: 08/09/2023] [Indexed: 08/26/2023]
Abstract
Technological advances in biosensing offer extraordinary opportunities to transfer technologies from a laboratory setting to clinical point-of-care applications. Recent developments in the field have focused on electrochemical and optical biosensing platforms. Unfortunately, these platforms offer relatively poor sensitivity for most of the clinically relevant targets that can be measured on the skin. In addition, the non-specific adsorption of biomolecules (biofouling) has proven to be a limiting factor compromising the longevity and performance of these detection systems. Research from our laboratory seeks to capitalize on analyte selective properties of biomaterials to achieve enhanced analyte adsorption, enrichment, and detection. Our goal is to develop a functional membrane integrated into a microfluidic sampling interface and an electrochemical sensing unit. The membrane was manufactured from a blend of Polycaprolactone (PCL) and Polyethylene oxide (PEO) through a solvent casting evaporation method. A microfluidic flow cell was developed with a micropore array that allows liquid to exit from all pores simultaneously, thereby imitating human perspiration. The electrochemical sensing unit consisted of planar gold electrodes for the monitoring of nonspecific adsorption of proteins utilizing Cyclic Voltammetry (CV) and Electrochemical Impedance Spectroscopy (EIS). The solvent casting evaporation technique proved to be an effective method to produce membranes with the desired physical properties (surface properties and wettability profile) and a highly porous and interconnected structure. Permeability data from the membrane sandwiched in the flow cell showed excellent permeation and media transfer efficiency with uniform pore activation for both active and passive sweat rates. Biofouling experiments exhibited a decrease in the extent of biofouling of electrodes protected with the PCL/PEO membrane, corroborating the capacity of our material to mitigate the effects of biofouling.
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Affiliation(s)
- Roberto Delgado-Rivera
- Department of Chemical Engineering, University of Puerto Rico, Mayagüez Campus, Mayagüez, PR 00680, USA;
| | - William García-Rodríguez
- Department of Mechanical Engineering, University of Puerto Rico, Mayagüez Campus, Mayagüez, PR 00680, USA; (W.G.-R.); (P.J.R.)
| | - Luis López
- Department of Chemistry, University of Puerto Rico, Río Piedras Campus, San Juan, PR 00925, USA; (L.L.); (L.C.)
| | - Lisandro Cunci
- Department of Chemistry, University of Puerto Rico, Río Piedras Campus, San Juan, PR 00925, USA; (L.L.); (L.C.)
| | - Pedro J. Resto
- Department of Mechanical Engineering, University of Puerto Rico, Mayagüez Campus, Mayagüez, PR 00680, USA; (W.G.-R.); (P.J.R.)
| | - Maribella Domenech
- Department of Chemical Engineering, University of Puerto Rico, Mayagüez Campus, Mayagüez, PR 00680, USA;
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13
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Tang C, Dang Z, Lu T, Ye J. A novel anti-washout curing solution of calcium phosphate cement prepared via irradiation polymerization. J Mater Chem B 2023; 11:7410-7423. [PMID: 37431779 DOI: 10.1039/d3tb00544e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/12/2023]
Abstract
The anti-washout ability of calcium phosphate cement (CPC) determines its effectiveness in clinical application. In the current research, the common method for improving the anti-washout ability of CPC is to add anti-washout polymer agents. Sodium polyacrylate powder is an excellent anti-washout agent but when bonded with CPC it basically degrades the anti-washout performance of CPC after γ-ray irradiation, and is widely used in the sterilization process of CPC products. Therefore, we propose a method for the preparation of a sodium polyacrylate solution through irradiation polymerization as curing solution for CPC. This method first uses γ-ray irradiation sterilization to improve the anti-washout ability of CPC directly. It not only avoids the adverse effects of γ-rays on anti-washout agents, but also the CPC blended using this sodium polyacrylate solution had good biological properties and injectability. It provides a new method for promoting the anti-washout properties of calcium phosphate cement, which is of great significance for expanding the clinical application of CPC.
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Affiliation(s)
- Chenyu Tang
- School of Materials Science and Engineering and Key Laboratory of Biomedical Materials of Ministry of Education, South China University of Technology, Guangzhou 510641, China.
- National Engineering Research Center for Tissue Restoration and Reconstruction, Guangzhou 510006, China
| | - Zhaohui Dang
- School of Materials Science and Engineering and Key Laboratory of Biomedical Materials of Ministry of Education, South China University of Technology, Guangzhou 510641, China.
- National Engineering Research Center for Tissue Restoration and Reconstruction, Guangzhou 510006, China
| | - Teliang Lu
- School of Materials Science and Engineering and Key Laboratory of Biomedical Materials of Ministry of Education, South China University of Technology, Guangzhou 510641, China.
- National Engineering Research Center for Tissue Restoration and Reconstruction, Guangzhou 510006, China
| | - Jiandong Ye
- School of Materials Science and Engineering and Key Laboratory of Biomedical Materials of Ministry of Education, South China University of Technology, Guangzhou 510641, China.
- National Engineering Research Center for Tissue Restoration and Reconstruction, Guangzhou 510006, China
- Key Laboratory of Biomedical Engineering of Guangdong Province and Innovation Center for Tissue Restoration and Reconstruction, South China University of Technology, Guangzhou 510641, China
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14
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Cernencu AI, Vlasceanu GM, Serafim A, Pircalabioru G, Ionita M. 3D double-reinforced graphene oxide - nanocellulose biomaterial inks for tissue engineered constructs. RSC Adv 2023; 13:24053-24063. [PMID: 37577089 PMCID: PMC10414018 DOI: 10.1039/d3ra02786d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2023] [Accepted: 07/13/2023] [Indexed: 08/15/2023] Open
Abstract
The advent of improved fabrication technologies, particularly 3D printing, has enabled the engineering of bone tissue for patient-specific healing and the fabrication of in vitro tissue models for ex vivo testing. However, inks made from natural polymers often fall short in terms of mechanical strength, stability, and the induction of osteogenesis. Our research focused on developing novel printable formulations using a gelatin/pectin polymeric matrix that integrate synergistic reinforcement components i.e. graphene oxide (GO) and oxidized nanocellulose fibers (CNF). Using 3D printing technology and the aforementioned biomaterial composite inks, bone-like scaffolds were created. To simulate critical-sized flaws and demonstrate scaffold fidelity, 3D scaffolds were successfully printed using formulations with varied GO concentrations (0.25, 0.5, and 1% wt with respect to polymer content). The addition of GO to hydrogel inks enhanced not only the compressive modulus but also the printability and scaffold fidelity compared to the pure colloid-gelatin/pectin system. Due to its strong potential for 3D bioprinting, the sample containing 0.5% GO is shown to have the greatest perspectives for bone tissue models and tissue engineering applications.
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Affiliation(s)
- Alexandra I Cernencu
- Advanced Polymer Materials Group, University Politehnica of Bucharest 1-7 Gh. Polizu Street Bucharest 011061 Romania
| | - George M Vlasceanu
- Advanced Polymer Materials Group, University Politehnica of Bucharest 1-7 Gh. Polizu Street Bucharest 011061 Romania
- Faculty of Medical Engineering, University Politehnica of Bucharest 1-7 Gh. Polizu Street Bucharest 011061 Romania
| | - Andrada Serafim
- Advanced Polymer Materials Group, University Politehnica of Bucharest 1-7 Gh. Polizu Street Bucharest 011061 Romania
| | - Gratiela Pircalabioru
- eBio-hub Research-Center, University "Politehnica" of Bucharest 6 Iuliu Maniu Boulevard, Campus Building Bucharest 061344 Romania
- Research Institute of University of Bucharest, University of Bucharest Bucharest 050095 Romania
- Academy of Romanian Scientists 54 Splaiul Independentei Bucharest 050094 Romania
| | - Mariana Ionita
- Advanced Polymer Materials Group, University Politehnica of Bucharest 1-7 Gh. Polizu Street Bucharest 011061 Romania
- Faculty of Medical Engineering, University Politehnica of Bucharest 1-7 Gh. Polizu Street Bucharest 011061 Romania
- eBio-hub Research-Center, University "Politehnica" of Bucharest 6 Iuliu Maniu Boulevard, Campus Building Bucharest 061344 Romania
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15
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Mahmoud AH, Han Y, Dal-Fabbro R, Daghrery A, Xu J, Kaigler D, Bhaduri SB, Malda J, Bottino MC. Nanoscale β-TCP-Laden GelMA/PCL Composite Membrane for Guided Bone Regeneration. ACS APPLIED MATERIALS & INTERFACES 2023; 15:32121-32135. [PMID: 37364054 PMCID: PMC10982892 DOI: 10.1021/acsami.3c03059] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/28/2023]
Abstract
Major advances in the field of periodontal tissue engineering have favored the fabrication of biodegradable membranes with tunable physical and biological properties for guided bone regeneration (GBR). Herein, we engineered innovative nanoscale beta-tricalcium phosphate (β-TCP)-laden gelatin methacryloyl/polycaprolactone (GelMA/PCL-TCP) photocrosslinkable composite fibrous membranes via electrospinning. Chemo-morphological findings showed that the composite microfibers had a uniform porous network and β-TCP particles successfully integrated within the fibers. Compared with pure PCL and GelMA/PCL, GelMA/PCL-TCP membranes led to increased cell attachment, proliferation, mineralization, and osteogenic gene expression in alveolar bone-derived mesenchymal stem cells (aBMSCs). Moreover, our GelMA/PCL-TCP membrane was able to promote robust bone regeneration in rat calvarial critical-size defects, showing remarkable osteogenesis compared to PCL and GelMA/PCL groups. Altogether, the GelMA/PCL-TCP composite fibrous membrane promoted osteogenic differentiation of aBMSCs in vitro and pronounced bone formation in vivo. Our data confirmed that the electrospun GelMA/PCL-TCP composite has a strong potential as a promising membrane for guided bone regeneration.
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Affiliation(s)
- Abdel H Mahmoud
- Department of Cariology, Restorative Sciences, and Endodontics, School of Dentistry, University of Michigan, Ann Arbor, Michigan 48109, United States
| | - Yuanyuan Han
- Department of Cariology, Restorative Sciences, and Endodontics, School of Dentistry, University of Michigan, Ann Arbor, Michigan 48109, United States
- Applied Oral Sciences and Community Dental Care, Faculty of Dentistry, The University of Hong Kong, 999077 Hong Kong, China
| | - Renan Dal-Fabbro
- Department of Cariology, Restorative Sciences, and Endodontics, School of Dentistry, University of Michigan, Ann Arbor, Michigan 48109, United States
| | - Arwa Daghrery
- Department of Cariology, Restorative Sciences, and Endodontics, School of Dentistry, University of Michigan, Ann Arbor, Michigan 48109, United States
- Department of Restorative Dental Sciences, School of Dentistry, Jazan University, Jazan 45142, Kingdom of Saudi Arabia
| | - Jinping Xu
- Department of Cariology, Restorative Sciences, and Endodontics, School of Dentistry, University of Michigan, Ann Arbor, Michigan 48109, United States
| | - Darnell Kaigler
- Department of Periodontics and Oral Medicine, School of Dentistry, University of Michigan, Ann Arbor, Michigan 48109, United States
- Department of Biomedical Engineering, College of Engineering, University of Michigan, Ann Arbor, Michigan 48109, United States
| | - Sarit B Bhaduri
- Department of Mechanical, Industrial and Manufacturing Engineering, University of Toledo, Toledo, Ohio 43606-3390, United States
- EEC Division, Directorate of Engineering, The National Science Foundation, Alexandria, Virginia 22314, United States
| | - Jos Malda
- Regenerative Medicine Center Utrecht, 3584 CT Utrecht, The Netherlands
- Department of Clinical Sciences, Faculty of Veterinary Medicine, Utrecht University, 3508 TC Utrecht, the Netherlands
- Department of Orthopedics, University Medical Center Utrecht, 3584 CX Ut Utrecht, The Netherlands
| | - Marco C Bottino
- Department of Cariology, Restorative Sciences, and Endodontics, School of Dentistry, University of Michigan, Ann Arbor, Michigan 48109, United States
- Department of Biomedical Engineering, College of Engineering, University of Michigan, Ann Arbor, Michigan 48109, United States
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16
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Khan MS, Baskoy SA, Yang C, Hong J, Chae J, Ha H, Lee S, Tanaka M, Choi Y, Choi J. Lipid-based colloidal nanoparticles for applications in targeted vaccine delivery. NANOSCALE ADVANCES 2023; 5:1853-1869. [PMID: 36998671 PMCID: PMC10044484 DOI: 10.1039/d2na00795a] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/10/2022] [Accepted: 02/15/2023] [Indexed: 06/19/2023]
Abstract
Bioactive molecules and their effects have been influenced by their solubility and administration route. In many therapeutic reagents, the performance of therapeutics is dependent on physiological barriers in the human body and delivery efficacy. Therefore, an effective and stable therapeutic delivery promotes pharmaceutical advancement and suitable biological usage of drugs. In the biological and pharmacological industries, lipid nanoparticles (LNPs) have emerged as a potential carrier to deliver therapeutics. Since studies reported doxorubicin-loaded liposomes (Doxil®), LNPs have been applied to numerous clinical trials. Lipid-based nanoparticles, including liposomes, solid lipid nanoparticles (SLNs), and nanostructured lipid nanoparticles, have also been developed to deliver active ingredients in vaccines. In this review, we present the type of LNPs used to develop vaccines with attractive advantages. We then discuss messenger RNA (mRNA) delivery for the clinical application of mRNA therapeutic-loaded LNPs and recent research trend of LNP-based vaccine development.
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Affiliation(s)
- Muhammad Saad Khan
- Department of Physics, Toronto Metropolitan University 350 Victoria Street Toronto M5B2K3 Canada
- Institute for Biomedical Engineering, Science and Technology (iBEST), St. Michael's Hospital 209 Victoria Street Toronto M5B1W8 Canada
| | - Sila Appak Baskoy
- Institute for Biomedical Engineering, Science and Technology (iBEST), St. Michael's Hospital 209 Victoria Street Toronto M5B1W8 Canada
- Department of Chemistry and Biology, Toronto Metropolitan University, Faculty of Science 350 Victoria Street Toronto M5B2K3 ON Canada
| | - Celina Yang
- Department of Physics, Toronto Metropolitan University 350 Victoria Street Toronto M5B2K3 Canada
- Institute for Biomedical Engineering, Science and Technology (iBEST), St. Michael's Hospital 209 Victoria Street Toronto M5B1W8 Canada
| | - Joohye Hong
- School of Integrative Engineering, Chung-Ang University Seoul 06974 Republic of Korea
| | - Jayoung Chae
- School of Integrative Engineering, Chung-Ang University Seoul 06974 Republic of Korea
| | - Heejin Ha
- School of Integrative Engineering, Chung-Ang University Seoul 06974 Republic of Korea
| | - Sungjun Lee
- School of Integrative Engineering, Chung-Ang University Seoul 06974 Republic of Korea
- Feynman Institute of Technology, Nanomedicine Corporation Seoul 06974 Republic of Korea
| | - Masayoshi Tanaka
- Department of Chemical Science and Engineering, Tokyo Institute of Technology 4259 Nagatsuta-cho, Midori-ku Yokohama-shi 226-8503 Kanagawa Japan
| | - Yonghyun Choi
- School of Integrative Engineering, Chung-Ang University Seoul 06974 Republic of Korea
- Feynman Institute of Technology, Nanomedicine Corporation Seoul 06974 Republic of Korea
| | - Jonghoon Choi
- School of Integrative Engineering, Chung-Ang University Seoul 06974 Republic of Korea
- Feynman Institute of Technology, Nanomedicine Corporation Seoul 06974 Republic of Korea
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17
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Pinto EP, Menezes RP, de S Tavares W, Ferreira AM, Sousa FFOD, Araújo da Silva G, Zamora RRM, Araújo RS, de Souza TM. Copaiba essential oil loaded-nanocapsules film as a potential candidate for treating skin disorders: preparation, characterization, and antibacterial properties. Int J Pharm 2023; 633:122608. [PMID: 36642350 DOI: 10.1016/j.ijpharm.2023.122608] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2022] [Revised: 01/07/2023] [Accepted: 01/09/2023] [Indexed: 01/15/2023]
Abstract
Infections have emerged as a novel target in managing skin and mucosa diseases. Bacterial resistance to antimicrobials and biofilm elimination from surfaces remains a challenge. Because polymeric nanocapsules (NC) can increase antimicrobial activity, this study aimed to produce and characterize NC into chitosan films (CSF). Copaiba essential oil (CO) presents antimicrobial activity and was chosen to load NC. In addition, the antibacterial activity was evaluated to obtain a new biodegradable polymeric platform system with the potential to treat topical diseases associated with bacterial infections. The CO-NC produced by nanoprecipitation presented particle size lower than 250 nm, negative charge, and encapsulation efficiency higher than 70 %. Direct incorporation of CO into CSF (CO-CSF) by casting method worsened the film's characteristics. However, incorporating CO-NC into CSF (CO-NC-CSF) avoided these drawbacks demonstrating improved physical, mechanical, morphological, and topographical properties. FTIR results demonstrated possible intermolecular interactions among the polymers and CO. The CO-NC-CSF and CO-CSF presented antibacterial properties against Staphylococcus aureus, and Pseudomonas aeruginosa, especially the formulation containing 1 % of CO. These results indicated that CO-NC-CSF is a promising candidate for treating skin disorders.
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Affiliation(s)
| | - Rodrigo P Menezes
- Pontifícia Universidade Católica do Rio de Janeiro, Rio de Janeiro 22541-041, Brazil
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18
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Azimifar MA, Hashemi M, Babaei N, Salmasi Z, Doosti A. Interleukin gene delivery for cancer gene therapy: In vitro and in vivo studies. IRANIAN JOURNAL OF BASIC MEDICAL SCIENCES 2023; 26:128-136. [PMID: 36742134 PMCID: PMC9869882 DOI: 10.22038/ijbms.2022.66890.14668] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Figures] [Subscribe] [Scholar Register] [Received: 07/22/2022] [Accepted: 09/12/2022] [Indexed: 02/07/2023]
Abstract
Cytokine-mediated cancer therapy has the potential to enhance immunotherapeutic approaches and cancer elimination plans through the endowing of the immune system by providing improved anticancer immunity. Despite the encouraging pioneer studies on interleukins (ILs), the influence of ILs-originated therapeutics is still restricted by a class of potent immunoregulatory cytokines, systemic dose-limiting toxicities, ILs pleiotropy, and administration issues. During previous years, the area of transferring genes encoding immunostimulatory ILs was fundamentally widened to overcome these challenges and expedite ILs-based tumor regression. Numerous viral and non-viral delivery systems are currently available to act as crucial elements of the gene therapy toolbox. Moreover, cell-based cancer therapies are recruiting MSCs in the role of versatile gene delivery platforms to design one of the promising therapeutic approaches. These formulated gene carrier systems can provide possible alternatives to diminish dose-limiting adverse effects, promote administration, and enhance the therapeutic activity of ILs-derived treatment modalities in cancer treatment. This review provides a discussion on the advances of ILs gene delivery systems while focusing on the developing platforms in preclinical cancer immunogene therapy studies.
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Affiliation(s)
- Mohammad Amin Azimifar
- Department of Cell Molecular Biology, Bushehr Branch, Islamic Azad University, Bushehr, Iran
| | - Maryam Hashemi
- Nanotechnology Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran, Department of Pharmaceutical Biotechnology, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran,Corresponding author: Maryam Hashemi. Department of Pharmaceutical Biotechnology, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran.Tel: +98-51-37112471; Fax: +98-51-37112470;
| | - Nahid Babaei
- Department of Cell Molecular Biology, Bushehr Branch, Islamic Azad University, Bushehr, Iran
| | - Zahra Salmasi
- Nanotechnology Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Abbas Doosti
- Biotechnology Research Center, Shahrekord Branch, Islamic Azad University, Shahrekord, Iran
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Hu H, Zhang H, Bu Z, Liu Z, Lv F, Pan M, Huang X, Cheng L. Small Extracellular Vesicles Released from Bioglass/Hydrogel Scaffold Promote Vascularized Bone Regeneration by Transferring miR-23a-3p. Int J Nanomedicine 2022; 17:6201-6220. [PMID: 36531118 PMCID: PMC9749034 DOI: 10.2147/ijn.s389471] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2022] [Accepted: 11/23/2022] [Indexed: 08/13/2023] Open
Abstract
BACKGROUND The treatment of critical-size bone defect is a great difficulty in orthopedics. Osteogenesis and angiogenesis are critical issue during the process of bone repair and remodeling. Mesenchymal stem cells (MSCs)-derived exosomes have the same therapeutic effect to MSCs-based therapies. The effect of human umbilical cord MSCs-derived sEVs (hUC-MSCs-sEVs) on vascularized bone regeneration and the potential mechanism remains to be investigated. Herein, we aimed to explore the therapeutic effect and the mechanism of hUC-MSCs-sEVs on critical-size bone defect. METHODS To investigate the potential osteogenesis and angiogenesis effects of sEVs in vitro, we extracted sEVs from hUC-MSCs, and then sEVs were co-incubated with BMSCs and HUVECs. We next investigated the effect and potential mechanism of sEVs on the effects of osteogenesis and angiogenesis. We fabricated 3D-printed bioglass scaffold with Gelma/nanoclay hydrogel coatings to load sEVs (BG-gel-sEVs) to ensure in vivo sustained efficacy of sEVs. Finally, the skull defect model was used to evaluate the capacity of vascularized bone regeneration of the composited scaffolds. RESULTS hUC-MSCs-sEVs facilitated calcium deposition and the endothelial network formation, inducing osteogenic differentiation and angiogenesis by delivering miR-23a-3p to activate PTEN/AKT signaling pathway. Additionally, the BG-gel-sEVs composited scaffold achieved vascularized bone regeneration in vivo. CONCLUSION This finding illuminated that hUC-MSCs-sEVs promoted osteogenesis and angiogenesis by delivering miR-23a-3p to activate PTEN/AKT signaling pathway, achieving vascularized bone regeneration.
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Affiliation(s)
- Hongxing Hu
- Department of Orthopedics Tongji Hospital Affiliated to Tongji University, Tongji University School of Medicine, Shanghai, People’s Republic of China
| | - Hang Zhang
- School of Mechanical Engineering, Shanghai Jiao Tong University, Shanghai, People’s Republic of China
| | - Ziheng Bu
- Department of Orthopedics Changhai Hospital Affiliated to the Second Military Medical University, Shanghai, People’s Republic of China
| | - Zhongtang Liu
- Department of Orthopedics Changhai Hospital Affiliated to the Second Military Medical University, Shanghai, People’s Republic of China
| | - Fang Lv
- Shanghai Key Laboratory of Regulatory Biology, Institute of Biomedical Science and School of Life Science, East China Normal University, Shanghai, People’s Republic of China
- Department of orthopedics, Shanghai Fengxian District Central Hospital, Shanghai, People’s Republic of China
| | - Mingmang Pan
- Department of orthopedics, Shanghai Fengxian District Central Hospital, Shanghai, People’s Republic of China
| | - Xuan Huang
- Department of Orthopedics Changhai Hospital Affiliated to the Second Military Medical University, Shanghai, People’s Republic of China
| | - Liming Cheng
- Department of Orthopedics Tongji Hospital Affiliated to Tongji University, Tongji University School of Medicine, Shanghai, People’s Republic of China
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Biomimetic Calcium Phosphate Coated Macro-Microporous Poly(ε-caprolactone)/Silk Fibroin (PCL/SF) Scaffold for Bone Tissue Engineering. Macromol Res 2022. [DOI: 10.1007/s13233-022-0090-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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21
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Osteocyte Spheroids as a Live-Cell Additive Proposed as a Component in the Compounding of Biofabricated Materials for Engineered Bone Tissue: Formation and Biological Performance. J Med Biol Eng 2022. [DOI: 10.1007/s40846-022-00751-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
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22
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Photocrosslinkable Silk-Based Biomaterials for Regenerative Medicine and Healthcare Applications. REGENERATIVE ENGINEERING AND TRANSLATIONAL MEDICINE 2022. [DOI: 10.1007/s40883-022-00277-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
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Cerqueira A, García-Arnáez I, Muriach M, Azkargorta M, Elortza F, Izquierdo R, Romero-Gavilán F, Gurruchaga M, Suay J, Goñi I. The effect of calcium-magnesium mixtures in sol-gel coatings on bone tissue regeneration. Biomater Sci 2022; 10:5634-5647. [PMID: 35993129 DOI: 10.1039/d2bm00742h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
Calcium and magnesium are two elements essential for bone structure and metabolism. However, their synergistic or competitive effects on bone regeneration are often overlooked during biomaterial development. We examined the interactions between Ca and Mg in sol-gel coatings doped with mixtures of CaCl2 (0.5%) and MgCl2 (0.5, 1, and 1.5%). After physicochemical characterisation, the materials were incubated in vitro with MC3T3-E1 osteoblastic cells and RAW264.7 macrophages, and the protein adsorption was analysed using nLC-MS/MS. The incorporation of the ions did not lead to the formation of crystalline structures and did not affect the sol-gel network cross-linking. The release of the ions did not cause cytotoxic effects at any tested concentration. The proteomic analysis showed that adding the Ca and Mg ions elevated the adsorption of proteins associated with inflammatory response regulation (e.g., ALBU, CLUS, HPT, HPTR, A1AG1 and A1AG2) but decreased the adsorption of immunoglobulins. The CaMg coatings had reduced affinity to proteins associated with coagulation (e.g., FA9, FA10, FA11, FA12) but increased the adsorption of proteins involved in cell adhesion (DSG1, DESP, FBLN1, ZA2G). In vitro assays revealed that the cellular response was affected by changing the concentration of Mg. Moreover, our results show that these differences reflect the changes in the concentrations of both ions in the mix but are not a simple additive effect.
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Affiliation(s)
- Andreia Cerqueira
- Department of Industrial Systems Engineering and Design, Universitat Jaume I, Av. Vicent Sos Baynat s/n, 12071 Castellón de la Plana, Spain.
| | - Iñaki García-Arnáez
- Departament of Science and Technology of Polymers, Universidad del País Vasco, P. M. de Lardizábal, 3, 20018 San Sebastián, Spain
| | - María Muriach
- Deparment of Medicine, Universitat Jaume I, Av. Vicent Sos Baynat s/n, 12071 Castellón de la Plana, Spain
| | - Mikel Azkargorta
- Proteomics Platform, CIC bioGUNE, Basque Research and Technology Alliance (BRTA), CIBERehd, ProteoRed-ISCIII, Bizkaia Science and Technology Park, 48160 Derio, Spain
| | - Félix Elortza
- Proteomics Platform, CIC bioGUNE, Basque Research and Technology Alliance (BRTA), CIBERehd, ProteoRed-ISCIII, Bizkaia Science and Technology Park, 48160 Derio, Spain
| | - Raúl Izquierdo
- Department of Industrial Systems Engineering and Design, Universitat Jaume I, Av. Vicent Sos Baynat s/n, 12071 Castellón de la Plana, Spain.
| | - Francisco Romero-Gavilán
- Department of Industrial Systems Engineering and Design, Universitat Jaume I, Av. Vicent Sos Baynat s/n, 12071 Castellón de la Plana, Spain.
| | - Mariló Gurruchaga
- Departament of Science and Technology of Polymers, Universidad del País Vasco, P. M. de Lardizábal, 3, 20018 San Sebastián, Spain
| | - Julio Suay
- Department of Industrial Systems Engineering and Design, Universitat Jaume I, Av. Vicent Sos Baynat s/n, 12071 Castellón de la Plana, Spain.
| | - Isabel Goñi
- Departament of Science and Technology of Polymers, Universidad del País Vasco, P. M. de Lardizábal, 3, 20018 San Sebastián, Spain
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Moradi N, Kaviani S, Soufizomorrod M, Hosseinzadeh S, Soleimani M. Preparation of poly(acrylic acid)/tricalcium phosphate nanoparticles scaffold: Characterization and releasing UC-MSCs derived exosomes for bone differentiation. BIOIMPACTS : BI 2022; 13:425-438. [PMID: 37736343 PMCID: PMC10509736 DOI: 10.34172/bi.2022.24142] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/27/2021] [Revised: 12/25/2021] [Accepted: 01/01/2022] [Indexed: 09/23/2023]
Abstract
Introduction This study focused on preparing a multiscale three-dimensional (3D) scaffold using tricalcium phosphate nanoparticles (triCaPNPs) in a substrate of poly(acrylic acid) (PAA) polymer for controlled release of exosomes in bone tissue engineering. Methods A scaffold was fabricated with a material mixture containing acrylic acid (AA) monomer, N,N'-methylenebisacrylamide (MBAA), ammonium persulfate (APS), sodium bicarbonate (SBC), and triCaPNPs called composite scaffold (PAA/triCaPNPs) via cross-linking and freeze-drying methods. The synthesis process was easy and without complex multi-steps. Through mimicking the hybrid (organic-inorganic) structure of the bone matrix, we here chose triCaPNPs for incorporation into the PAA polymer. After assessing the physicochemical properties of the scaffold, the interaction of the scaffold with human umbilical cord mesenchymal stem cells (UC-MSCs) such as attachment, proliferation, and differentiation to osteoblast cells was evaluated. In addition, we used DiI-labeled exosomes to verify the exosome entrapment and release from the scaffold. Results The polymerization reaction of 3D scaffold was successful. Based on results of physicochemical properties, the presence of nanoparticles in the composite scaffold enhanced the mechanical stiffness, boosted the porosity with a larger pore size range, and offered better hydrophilicity, all of which would contribute to greater cell penetration, proliferation, and then better bone differentiation. In addition, our results indicated that our scaffold could take up and release exosomes, where the exosomes released from it could significantly enhance the osteogenic commitment of UC-MSCs. Conclusion The current research is the first study fabricating a multiscale scaffold using triCaPNPs in the substrate of PPA polymer using a cross-linker and freeze-drying process. This scaffold could mimic the nanoscale structure and chemical combination of native bone minerals. In addition, our results suggest that the PAA/triCaPNPs scaffold could be beneficial to achieve controlled exosome release for exosome-based therapy in bone tissue engineering.
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Affiliation(s)
- Nahid Moradi
- Hematology and Cell Therapy Department, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran
| | - Saeid Kaviani
- Hematology and Cell Therapy Department, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran
| | - Mina Soufizomorrod
- Hematology and Cell Therapy Department, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran
| | - Simzar Hosseinzadeh
- Medical Nanotechnology and Tissue Engineering Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
- Department of Tissue Engineering and Applied Cell Sciences, School of Advanced Technologies in Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Masoud Soleimani
- Hematology and Cell Therapy Department, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran
- Medical Nanotechnology and Tissue Engineering Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
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Palmieri V, Caracciolo G. Tuning the immune system by nanoparticle-biomolecular corona. NANOSCALE ADVANCES 2022; 4:3300-3308. [PMID: 36131704 PMCID: PMC9419885 DOI: 10.1039/d2na00290f] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/06/2022] [Accepted: 07/14/2022] [Indexed: 05/24/2023]
Abstract
Nanotechnology has a great potential to revolutionize the landscape of medicine, but an inadequate understanding of the nanomaterial-biological (nano-bio) interface hampers its ultimate clinical translation. Surface attachment of biomolecules provides a new biological identity of nanoparticles that plays a crucial role in vivo as it can activate the immune system triggering inflammatory responses, clearance from the body, and cellular toxicity. In this review, we summarize and critically analyze progress in understanding the relationship between the biological identity of nanoparticles and immune system activation. Accordingly, we discuss the implications of biomolecular corona on nanotoxicity, immune safety, and biocompatibility. We also highlight a perspective on engineering the biological identity of nanoparticles for modulating immunological responses.
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Affiliation(s)
- Valentina Palmieri
- Institute for Complex Systems, National Research Council of Italy Via dei Taurini 19 00185 Rome Italy
| | - Giulio Caracciolo
- NanoDelivery Lab, Department of Molecular Medicine, Sapienza University of Rome Viale Regina Elena 291 00161 Rome Italy
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26
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Li C, Xu X, Gao J, Zhang X, Chen Y, Li R, Shen J. 3D printed scaffold for repairing bone defects in apical periodontitis. BMC Oral Health 2022; 22:327. [PMID: 35941678 PMCID: PMC9358902 DOI: 10.1186/s12903-022-02362-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2022] [Accepted: 07/28/2022] [Indexed: 11/30/2022] Open
Abstract
Objectives To investigate the feasibility of the 3D printed scaffold for periapical bone defects. Methods In this study, antimicrobial peptide KSL-W-loaded PLGA sustainable-release microspheres (KSL-W@PLGA) were firstly prepared followed by assessing the drug release behavior and bacteriostatic ability against Enterococcus faecalis and Porphyromonas gingivalis. After that, we demonstrated that KSL-W@PLGA/collagen (COL)/silk fibroin (SF)/nano-hydroxyapatite (nHA) (COL/SF/nHA) scaffold via 3D-printing technique exhibited significantly good biocompatibility and osteoconductive property. The scaffold was characterized as to pore size, porosity, water absorption expansion rate and mechanical properties. Moreover, MC3T3-E1 cells were seeded into sterile scaffold materials and investigated by CCK-8, SEM and HE staining. In the animal experiment section, we constructed bone defect models of the mandible and evaluated its effect on bone formation. The Japanese white rabbits were killed at 1 and 2 months after surgery, the cone beam computerized tomography (CBCT) and micro-CT scanning, as well as HE and Masson staining analysis were performed on the samples of the operation area, respectively. Data analysis was done using ANOVA and LSD tests. (α = 0.05). Results We observed that the KSL-W@PLGA sustainable-release microspheres prepared in the experiment were uniform in morphology and could gradually release the antimicrobial peptide (KSL-W), which had a long-term antibacterial effect for at least up to 10 days. HE staining and SEM showed that the scaffold had good biocompatibility, which was conducive to the adhesion and proliferation of MC3T3-E1 cells. The porosity and water absorption of the scaffold were (81.96 ± 1.83)% and (458.29 ± 29.79)%, respectively. Histological and radiographic studies showed that the bone healing efficacy of the scaffold was satisfactory. Conclusions The KSL-W@PLGA/COL/SF/nHA scaffold possessed good biocompatibility and bone repairing ability, and had potential applications in repairing infected bone defects. Clinical significance The 3D printed scaffold not only has an antibacterial effect, but can also promote bone tissue formation, which provides an alternative therapy option in apical periodontitis. Supplementary Information The online version contains supplementary material available at 10.1186/s12903-022-02362-4.
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Affiliation(s)
- Cong Li
- Tianjin Key Laboratory of Oral and Maxillofacial Function Reconstruction, Tianjin Stomatological Hospital, The Affiliated Stomatological Hospital of Nankai University, No.75, Dagu Road, Heping District, Tianjin, 300041, China
| | - Xiaoyin Xu
- The Affiliated Stomatological Hospital of Soochow University, Suzhou, 215000, Jiangsu Province, China
| | - Jing Gao
- Tianjin Key Laboratory of Oral and Maxillofacial Function Reconstruction, Tianjin Stomatological Hospital, The Affiliated Stomatological Hospital of Nankai University, No.75, Dagu Road, Heping District, Tianjin, 300041, China
| | - Xiaoyan Zhang
- Tianjin Key Laboratory of Oral and Maxillofacial Function Reconstruction, Tianjin Stomatological Hospital, The Affiliated Stomatological Hospital of Nankai University, No.75, Dagu Road, Heping District, Tianjin, 300041, China
| | - Yao Chen
- Tianjin Key Laboratory of Oral and Maxillofacial Function Reconstruction, Tianjin Stomatological Hospital, The Affiliated Stomatological Hospital of Nankai University, No.75, Dagu Road, Heping District, Tianjin, 300041, China
| | - Ruixin Li
- Tianjin Key Laboratory of Oral and Maxillofacial Function Reconstruction, Tianjin Stomatological Hospital, The Affiliated Stomatological Hospital of Nankai University, No.75, Dagu Road, Heping District, Tianjin, 300041, China.
| | - Jing Shen
- Tianjin Key Laboratory of Oral and Maxillofacial Function Reconstruction, Tianjin Stomatological Hospital, The Affiliated Stomatological Hospital of Nankai University, No.75, Dagu Road, Heping District, Tianjin, 300041, China.
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Adarsh RK, Das EC, Gopan GV, Rajan RK, Komath M. Quaternised chitosan composites with in situ precipitated nano calcium phosphate for making bioactive and degradable tissue engineering scaffolds. JOURNAL OF POLYMER RESEARCH 2022. [DOI: 10.1007/s10965-022-03125-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Kim H, Lee UJ, Song H, Lee J, Song WS, Noh H, Kang MH, Kim BS, Park J, Hwang NS, Kim BG. Synthesis of soluble melanin nanoparticles under acidic conditions using Burkholderia cepacia tyrosinase and their characterization. RSC Adv 2022; 12:17434-17442. [PMID: 35765459 PMCID: PMC9189705 DOI: 10.1039/d2ra01276f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2022] [Accepted: 05/07/2022] [Indexed: 11/29/2022] Open
Abstract
Melanin nanoparticles (MNPs) used for biomedical applications are often synthesized via the chemical auto-oxidation of catecholic monomers such as dopamine and 3,4-dihydroxyphenylalanine (DOPA) under alkaline conditions. However, the synthetic method for the chemical synthesis of MNP (cMNP) is relatively straightforward and more robust to control their homogenous particle size and morphology than the corresponding enzymatic synthetic methods. In this study, we demonstrated that the simple enzymatic synthesis of MNPs (eMNPs) with homogenous and soluble (<20 nm diameter) properties is possible using dopamine and Burkholderia cepacia tyrosinase (BcTy) under acidic conditions (i.e., pH 3.0). BcTy was highly reactive under pH 5.0, where the natural and chemical oxidation of catechol is complex, and thus melanin was synthesized via the hydroxylation of phenolic substrates. The detailed chemical analysis and characterization of the physical properties of the eMNPs confirmed the higher preservation of the catechol and primary amine moieties in the monomer substrate such as dopamine under acidic conditions. The eMNPs showed enhanced antioxidant activity and conferred stickiness to the formed hydrogel compared to the chemical auto-oxidation method owing to the large number of hydroxyl groups remaining such as catechol and quinone moieties. Because of these advantages and characteristics, the synthesis of MNPs using BcTy under acidic conditions can open a new path for their biomedical applications. Melanin nanoparticles (MNPs) used for biomedical applications are often synthesized via the chemical auto-oxidation of catecholic monomers such as dopamine and 3,4-dihydroxyphenylalanine (DOPA) under alkaline conditions.![]()
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Affiliation(s)
- Hyun Kim
- School of Chemical and Biological Engineering, Seoul National University Seoul 08826 Republic of Korea .,Institute of Molecular Biology and Genetics, Seoul National University Seoul 08826 Republic of Korea
| | - Uk-Jae Lee
- School of Chemical and Biological Engineering, Seoul National University Seoul 08826 Republic of Korea .,Institute of Molecular Biology and Genetics, Seoul National University Seoul 08826 Republic of Korea
| | - Hanbit Song
- School of Chemical and Biological Engineering, Seoul National University Seoul 08826 Republic of Korea .,Institute of Molecular Biology and Genetics, Seoul National University Seoul 08826 Republic of Korea
| | - Jeongchan Lee
- School of Chemical and Biological Engineering, Seoul National University Seoul 08826 Republic of Korea .,Institute of Molecular Biology and Genetics, Seoul National University Seoul 08826 Republic of Korea
| | - Won-Suk Song
- School of Chemical and Biological Engineering, Seoul National University Seoul 08826 Republic of Korea .,Institute of Molecular Biology and Genetics, Seoul National University Seoul 08826 Republic of Korea
| | - Heewon Noh
- School of Chemical and Biological Engineering, Seoul National University Seoul 08826 Republic of Korea .,Institute of Molecular Biology and Genetics, Seoul National University Seoul 08826 Republic of Korea
| | - Min-Ho Kang
- Department of Biomedical-Chemical Engineering, Catholic University of Korea Bucheon 14662 Republic of Korea.,Department of Biotechnology, The Catholic University of Korea Bucheon 14662 Republic of Korea
| | - Beom-Seok Kim
- Interdisciplinary Program for Biochemical Engineering and Biotechnology, Seoul National University Seoul 08826 Republic of Korea
| | - Jungwon Park
- School of Chemical and Biological Engineering, Seoul National University Seoul 08826 Republic of Korea .,Center for Nanoparticle Research, Institute for Basic Science (IBS) Seoul 08826 Republic of Korea
| | - Nathaniel S Hwang
- School of Chemical and Biological Engineering, Seoul National University Seoul 08826 Republic of Korea
| | - Byung-Gee Kim
- School of Chemical and Biological Engineering, Seoul National University Seoul 08826 Republic of Korea .,Institute of Molecular Biology and Genetics, Seoul National University Seoul 08826 Republic of Korea.,Interdisciplinary Program for Biochemical Engineering and Biotechnology, Seoul National University Seoul 08826 Republic of Korea.,Bio-MAX/N-Bio, Seoul National University Seoul 08826 Republic of Korea.,Institute for Sustainable Development (ISD), Seoul National University Seoul 08826 Republic of Korea
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Porrang S, Davaran S, Rahemi N, Allahyari S, Mostafavi E. How Advancing are Mesoporous Silica Nanoparticles? A Comprehensive Review of the Literature. Int J Nanomedicine 2022; 17:1803-1827. [PMID: 35498391 PMCID: PMC9043011 DOI: 10.2147/ijn.s353349] [Citation(s) in RCA: 29] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2021] [Accepted: 03/31/2022] [Indexed: 12/12/2022] Open
Abstract
The application of mesoporous silica nanoparticles (MSNs) is ubiquitous in various sciences. MSNs possess unique features, including the diversity in manufacturing by different synthesis methods and from different sources, structure controllability, pore design capabilities, pore size tunability, nanoparticle size distribution adjustment, and the ability to create diverse functional groups on their surface. These characteristics have led to various types of MSNs as a unique system for drug delivery. In this review, first, the synthesis of MSNs by different methods via using different sources were studied. Then, the parameters affecting their physicochemical properties and functionalization have been discussed. Finally, the last decade’s novel strategies, including surface functionalization, drug delivery, and cancer treatment, based on the MSNs in drug delivery and cancer therapy have been addressed.
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Affiliation(s)
- Sahar Porrang
- Chemical Engineering Faculty, Sahand University of Technology, Tabriz, Iran
- Environmental Engineering Research Centre, Sahand University of Technology, Tabriz, Iran
| | - Soodabeh Davaran
- Department of Medical Nanotechnology, Faculty of Advanced Medical Science, Tabriz University of Medical Sciences, Tabriz, Iran
- Research Centre for Pharmaceutical Nanotechnology, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Nader Rahemi
- Chemical Engineering Faculty, Sahand University of Technology, Tabriz, Iran
- Environmental Engineering Research Centre, Sahand University of Technology, Tabriz, Iran
- Nader Rahemi, Sahand University of Technology, Tabriz, Iran, Tel +98-41-33459100, Email
| | - Somaiyeh Allahyari
- Chemical Engineering Faculty, Sahand University of Technology, Tabriz, Iran
- Environmental Engineering Research Centre, Sahand University of Technology, Tabriz, Iran
| | - Ebrahim Mostafavi
- Stanford Cardiovascular Institute, Stanford University School of Medicine, Stanford, CA, 94305, USA
- Department of Medicine, Stanford University School of Medicine, Stanford, CA, 94305, USA
- Correspondence: Ebrahim Mostafavi, Stanford Cardiovascular Institute, Stanford University School of Medicine, Stanford, CA, 94305, USA, Email ;
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Falak S, Shin BK, Huh DS. Antibacterial Activity of Polyaniline Coated in the Patterned Film Depending on the Surface Morphology and Acidic Dopant. NANOMATERIALS (BASEL, SWITZERLAND) 2022; 12:1085. [PMID: 35407202 PMCID: PMC9000663 DOI: 10.3390/nano12071085] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/28/2022] [Revised: 03/21/2022] [Accepted: 03/23/2022] [Indexed: 12/13/2022]
Abstract
We have fabricated poly(ε-caprolactone) (PCL) films with flat and honeycomb-patterned (HCP) structures to coat polyaniline (PANI) on the film surface. In addition, the effect of chemical modification of PANI by sulfuric acid (H2SO4) was also studied for antibacterial activity. The flat and HCP PCL films were obtained by simple evaporation of the solvent and via the breath figure (BF) method, respectively. The morphology and chemical composition of PANI coated on the film surface were evaluated by scanning electron microscopy (SEM) and X-ray spectroscopy (EDX). Fourier transform infrared spectroscopy (FT-IR) and thermogravimetric analyses (TGA) were obtained to identify the PANI coating. The wettability and conductivity of the films were also measured. Applicational aspects were evaluated by assessing antibacterial and antibiofilm activity against Escherichia coli (E. coli) and Staphylococcus aureus (S. aureus). The EDX, TGA, and FT-IR findings indicated chemical modification of PCL film by PANI and H2SO4. The conductivity of the films was increased by the coating of PANI to the patterned surface and additionally increased by the chemically modified PANI. The antibacterial activity was 69.79%, 78.27%, and 88% against E. coli, and 32.73%, 62.65%, and 87.97% against S. aureus, for flat PANI, HCP PANI, and H2SO4-treated HCP films, respectively. Likewise, the PANI coated flat, HCP, and H2SO4-treated HCP films inhibited E. coli biofilm formation by around 41.62%, 63%, and 83.88% and S. aureus biofilm formation by 17.81%, 69.83%, and 96.57%, respectively. The antibacterial activity of the HCP film was higher than that of flat PANI films, probably due to the higher coating of PANI on the HCP surface. Moreover, sulfonation of the HCP film with H2SO4 might have improved the wettability, thereby enhancing the antibacterial and antibiofilm properties. Our results showed that topographical changes, as well as doping, offer simple and cost-effective ways to modify the structural and functional properties of films.
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Affiliation(s)
| | | | - Do Sung Huh
- Department of Chemistry, Nano Science and Engineering, Center of Nano Manufacturing, Inje University, Gimhae-si 50834, Korea; (S.F.); (B.K.S.)
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Zhong D, Wang Y, Xie F, Chen S, Yang X, Ma Z, Wang S, Iqbal MZ, Ge J, Zhang Q, Zhao R, Kong X. Biomineralized Prussian Blue Nanotherapeutic for Enhanced Cancer Photothermal Therapy. J Mater Chem B 2022; 10:4889-4896. [DOI: 10.1039/d2tb00775d] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Photothermal therapy is a promising tumor ablation technique that converts light into heat energy to kill cancer cells. Prussian blue (PB), a biocompatible photothermal reagent, has been widely explored for...
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Aslan E, Vyas C, Yupanqui Mieles J, Humphreys G, Diver C, Bartolo P. Preliminary Characterization of a Polycaprolactone-SurgihoneyRO Electrospun Mesh for Skin Tissue Engineering. MATERIALS (BASEL, SWITZERLAND) 2021; 15:89. [PMID: 35009233 PMCID: PMC8746156 DOI: 10.3390/ma15010089] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/31/2021] [Revised: 12/09/2021] [Accepted: 12/15/2021] [Indexed: 05/09/2023]
Abstract
Skin is a hierarchical and multi-cellular organ exposed to the external environment with a key protective and regulatory role. Wounds caused by disease and trauma can lead to a loss of function, which can be debilitating and even cause death. Accelerating the natural skin healing process and minimizing the risk of infection is a clinical challenge. Electrospinning is a key technology in the development of wound dressings and skin substitutes as it enables extracellular matrix-mimicking fibrous structures and delivery of bioactive materials. Honey is a promising biomaterial for use in skin tissue engineering applications and has antimicrobial properties and potential tissue regenerative properties. This preliminary study investigates a solution electrospun composite nanofibrous mesh based on polycaprolactone and a medical grade honey, SurgihoneyRO. The processing conditions were optimized and assessed by scanning electron microscopy to fabricate meshes with uniform fiber diameters and minimal presence of beads. The chemistry of the composite meshes was examined using Fourier transform infrared spectroscopy and X-ray photon spectroscopy showing incorporation of honey into the polymer matrix. Meshes incorporating honey had lower mechanical properties due to lower polymer content but were more hydrophilic, resulting in an increase in swelling and an accelerated degradation profile. The biocompatibility of the meshes was assessed using human dermal fibroblasts and adipose-derived stem cells, which showed comparable or higher cell metabolic activity and viability for SurgihoneyRO-containing meshes compared to polycaprolactone only meshes. The meshes showed no antibacterial properties in a disk diffusion test due to a lack of hydrogen peroxide production and release. The developed polycaprolactone-honey nanofibrous meshes have potential for use in skin applications.
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Affiliation(s)
- Enes Aslan
- Department of Machine and Metal Technologies, Gumusova Vocational School, Duzce University, Duzce 81850, Turkey;
- Department of Mechanical, Aerospace and Civil Engineering, University of Manchester, Oxford Road, Manchester M13 9PL, UK; (C.V.); (J.Y.M.)
| | - Cian Vyas
- Department of Mechanical, Aerospace and Civil Engineering, University of Manchester, Oxford Road, Manchester M13 9PL, UK; (C.V.); (J.Y.M.)
| | - Joel Yupanqui Mieles
- Department of Mechanical, Aerospace and Civil Engineering, University of Manchester, Oxford Road, Manchester M13 9PL, UK; (C.V.); (J.Y.M.)
| | - Gavin Humphreys
- School of Health Sciences, University of Manchester, Oxford Road, Manchester M13 9PL, UK;
| | - Carl Diver
- Department of Engineering, Manchester Metropolitan University, Manchester M15 6BH, UK;
| | - Paulo Bartolo
- Department of Mechanical, Aerospace and Civil Engineering, University of Manchester, Oxford Road, Manchester M13 9PL, UK; (C.V.); (J.Y.M.)
- Singapore Centre for 3D Printing, School of Mechanical and Aerospace Engineering, Nanyang Technological University, Singapore 639798, Singapore
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McIvor MJ, Sharma PK, Birt CE, McDowell H, Wilson S, McKillop S, Acheson JG, Boyd AR, Meenan BJ. Direct monitoring of single-cell response to biomaterials by Raman spectroscopy. JOURNAL OF MATERIALS SCIENCE. MATERIALS IN MEDICINE 2021; 32:148. [PMID: 34862915 PMCID: PMC8643295 DOI: 10.1007/s10856-021-06624-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/10/2021] [Accepted: 11/03/2021] [Indexed: 06/13/2023]
Abstract
There is continued focus on the development of new biomaterials and associated biological testing methods needed to reduce the time taken for their entry to clinical use. The application of Raman spectroscopy to the study of individual cells that have been in contact with biomaterials offers enhanced in vitro information in a potentially non-destructive testing regime. The work presented here reports the Raman spectral analysis of discreet U-2 OS bone cells after exposure to hydroxyapatite (HA) coated titanium (Ti) substrates in both the as-deposited and thermally annealed states. These data show that cells that were in contact with the bioactive HA surface for 7 days had spectral markers similar to those cultured on the Ti substrate control for the same period. However, the spectral features for those cells that were in contact with the annealed HA surface had indicators of significant differentiation at day 21 while cells on the as-deposited surface did not show these Raman changes until day 28. The cells adhered to pristine Ti control surface showed no spectral changes at any of the timepoints studied. The validity of these spectroscopic results has been confirmed using data from standard in vitro cell viability, adhesion, and proliferation assays over the same 28-day culture period. In this case, cell maturation was evidenced by the formation of natural bone apatite, which precipitated intracellularly for cells exposed to both types of HA-coated Ti at 21 and 28 days, respectively. The properties of the intracellular apatite were markedly different from that of the synthetic HA used to coat the Ti substrate with an average particle size of 230 nm, a crystalline-like shape and Ca/P ratio of 1.63 ± 0.5 as determined by SEM-EDX analysis. By comparison, the synthetic HA particles used as a control had an average size of 372 nm and were more-rounded in shape with a Ca/P ratio of 0.8 by XPS analysis and 1.28 by SEM-EDX analysis. This study shows that Raman spectroscopy can be employed to monitor single U-2 OS cell response to biomaterials that promote cell maturation towards de novo bone thereby offering a label-free in vitro testing method that allows for non-destructive analyses.
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Affiliation(s)
- Mary Josephine McIvor
- Nanotechnology and Integrated Bioengineering Centre (NIBEC), School of Engineering, University of Ulster, Shore Road, Newtownabbey, Co. Antrim, BT37 0QB, Northern Ireland, UK.
| | - Preetam K Sharma
- Nanotechnology and Integrated Bioengineering Centre (NIBEC), School of Engineering, University of Ulster, Shore Road, Newtownabbey, Co. Antrim, BT37 0QB, Northern Ireland, UK
- Department of Chemical Engineering, Loughborough University, Loughborough, LE11 3TU, England, UK
| | - Catherine E Birt
- Nanotechnology and Integrated Bioengineering Centre (NIBEC), School of Engineering, University of Ulster, Shore Road, Newtownabbey, Co. Antrim, BT37 0QB, Northern Ireland, UK
| | - Hayley McDowell
- Nanotechnology and Integrated Bioengineering Centre (NIBEC), School of Engineering, University of Ulster, Shore Road, Newtownabbey, Co. Antrim, BT37 0QB, Northern Ireland, UK
| | - Shannon Wilson
- Nanotechnology and Integrated Bioengineering Centre (NIBEC), School of Engineering, University of Ulster, Shore Road, Newtownabbey, Co. Antrim, BT37 0QB, Northern Ireland, UK
| | - Stephen McKillop
- Nanotechnology and Integrated Bioengineering Centre (NIBEC), School of Engineering, University of Ulster, Shore Road, Newtownabbey, Co. Antrim, BT37 0QB, Northern Ireland, UK
| | - Jonathan G Acheson
- Nanotechnology and Integrated Bioengineering Centre (NIBEC), School of Engineering, University of Ulster, Shore Road, Newtownabbey, Co. Antrim, BT37 0QB, Northern Ireland, UK
| | - Adrian R Boyd
- Nanotechnology and Integrated Bioengineering Centre (NIBEC), School of Engineering, University of Ulster, Shore Road, Newtownabbey, Co. Antrim, BT37 0QB, Northern Ireland, UK
| | - Brian J Meenan
- Nanotechnology and Integrated Bioengineering Centre (NIBEC), School of Engineering, University of Ulster, Shore Road, Newtownabbey, Co. Antrim, BT37 0QB, Northern Ireland, UK
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Dhinasekaran D, Kaliaraj GS, Jagannathan M, Rajendran AR, Prakasarao A, Ganesan S, Subramanian B. Pulsed laser deposition of nanostructured bioactive glass and hydroxyapatite coatings: Microstructural and electrochemical characterization. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2021; 130:112459. [PMID: 34702534 DOI: 10.1016/j.msec.2021.112459] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/30/2021] [Revised: 09/20/2021] [Accepted: 09/23/2021] [Indexed: 10/20/2022]
Abstract
Bioactive coatings on metallic implants promote osseointegration between bone and implant interfaces. A suitable coating enhances the life span of the implant and reduces the requirement of revision surgery. The coating process needs to be optimized such that it does not alter the bioactivity of the material. To understand this, the biocompatibility of nanostructured bioactive glass and hydroxyapatite-coated Titanium substrate by pulsed laser deposition method is evaluated. Raman and IR spectroscopic techniques based on silica and phosphate functional groups mapping have confirmed homogeneity in coatings by pulse laser deposition method. Comparative studies on nanostructured bioactive glass and hydroxyapatite on titanium surface elaborated the significance of bioactivity, hemocompatibility, and cytocompatibility of the coated surface. Notably, both hydroxyapatite and bioactive glass show good hemocompatibility in powder form. Hemocompatibility and cytocompatibility results validate the enhanced sustenance for hydroxyapatite coating. These results signify the importance of the choice of coating methodology of bioceramics towards implant applications.
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Affiliation(s)
| | | | | | - Ajay Rakkesh Rajendran
- Department of Physics and Nanotechnology, SRM Institute of Science and Technology, Kattankulathur, India
| | | | | | - Balakumar Subramanian
- National Centre for Nanoscience and Nanotechnology, University of Madras, Chennai, India
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Kamel R, El-Wakil NA, Elkasabgy NA. Calcium-Enriched Nanofibrillated Cellulose/Poloxamer in-situ Forming Hydrogel Scaffolds as a Controlled Delivery System of Raloxifene HCl for Bone Engineering. Int J Nanomedicine 2021; 16:6807-6824. [PMID: 34675509 PMCID: PMC8502541 DOI: 10.2147/ijn.s323974] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2021] [Accepted: 09/17/2021] [Indexed: 01/16/2023] Open
Abstract
PURPOSE TEMPO-oxidized nanofibrillated cellulose (TONFC) originating from an agricultural waste (sugar cane) was utilized to prepare injectable in-situ forming hydrogel scaffolds (IHS) for regenerative medicine. METHODS TONFC was prepared and characterized for its morphology and chemical structure using TEM and FT-IR, respectively. The cold method was applied to prepare hydrogels. Various concentrations of poloxamer 407 were added to the prepared TONFC (0.5%w/w). Different sources of calcium, Fujicalin® (DCP) or hydroxyapatite (TCP), were used to formulate the aimed calcium-enriched raloxifene hydrochloride-loaded IHS. Gelation temperature, drug content, injectability and in-vitro drug release were evaluated along with the morphological characters. Cytocompatibility studies and tissue regeneration properties were assessed on Saos-2 cells. RESULTS TEM photograph of TONFC showed fibrous nanostructure. The selected formulation "Ca-IHS4" composed of TONFC+15% P407+10% TCP showed the most prolonged release pattern for 12 days with the least burst effect (about 25% within 24 h). SEM micro-photographs of the in-situ formed scaffolds showed a highly porous 3D structure. Cytocompatibility studies of formulation "Ca-IHS4" revealed the biocompatibility as well as improved cell adhesion, alkaline phosphatase enzyme activity and calcium ion deposition. CONCLUSION The outcomes suggest that Ca-IHS4 presents a simple, safe-line and non-invasive strategy for bone regeneration.
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Affiliation(s)
- Rabab Kamel
- Pharmaceutical Technology Department, National Research Centre, Cairo, Egypt
| | - Nahla A El-Wakil
- Cellulose and Paper Department, National Research Centre, Cairo, Egypt
| | - Nermeen A Elkasabgy
- Department of Pharmaceutics and Industrial Pharmacy, Faculty of Pharmacy, Cairo University, Cairo, 11562, Egypt
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Advancing Regenerative Medicine Through the Development of Scaffold, Cell Biology, Biomaterials and Strategies of Smart Material. REGENERATIVE ENGINEERING AND TRANSLATIONAL MEDICINE 2021. [DOI: 10.1007/s40883-021-00227-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Accelerated Wound Healing Using a Novel Far-Infrared Ceramic Blanket. Life (Basel) 2021; 11:life11090878. [PMID: 34575027 PMCID: PMC8469926 DOI: 10.3390/life11090878] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2021] [Revised: 08/11/2021] [Accepted: 08/25/2021] [Indexed: 11/16/2022] Open
Abstract
INTRODUCTION Wounds are associated with ranges of simple to complex disruption or damage to anatomical structure and function. They are also associated with enormous economic and social costs, increasing yearly, resulting in a severe impact on the wellbeing of individuals and society. Technology that might accelerate wound healing is associated with many benefits to injured people. METHODS BALBc mice underwent symmetrical excisional wounds through the panniculus carnosus. They were divided into a treatment group placed on an autonomous ceramic far-field infrared blanket (cIFRB) and a control group maintained under standard conditions. We also expanded and cultured adipose tissue-derived mesenchymal stem cells (MSCs) on cIFRB and compared them to standard conditions subjected to a scratch injury to compare survival, proliferation, and wound healing. RESULTS The wound healing of the cIRFB treatment group was significantly faster than the control group of mice. The wound-healing effect of mesenchymal stem cells on cIRFB was also increased and associated with significant migration to the wound area. CONCLUSIONS Wound healing is improved in a mouse model exposed to cFIRB. The ceramic blanket also promotes survival, proliferation, increased migration, and wound healing of MSCs without affecting their survival and proliferation. The utilization of cFIRB in cellular biology and medical applications may be promising in many situations currently explored in animal and human models. This technology needs no direct or battery power source and is entirely autonomous and noninvasive, making its application possible in any environment.
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Dabasinskaite L, Krugly E, Baniukaitiene O, Martuzevicius D, Ciuzas D, Jankauskaite L, Aukstikalne L, Usas A. The Effect of Ozone Treatment on the Physicochemical Properties and Biocompatibility of Electrospun Poly(ε)caprolactone Scaffolds. Pharmaceutics 2021; 13:1288. [PMID: 34452249 PMCID: PMC8400338 DOI: 10.3390/pharmaceutics13081288] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2021] [Accepted: 08/14/2021] [Indexed: 12/05/2022] Open
Abstract
Ozonation has been proved as a viable surface modification technique providing certain properties to the scaffolds that are essential in tissue engineering. However, the ozone (O3) treatment of PCL scaffolds in aqueous environments has not yet been presented. O3 treatment performed in aqueous environments is more effective compared with traditional, executed in ambient air treatment due to more abundant production of hydroxyl radicals (•OH) within the O3 reaction with water molecules. During interaction with •OH, the scaffold acquires functional groups which improve wettability properties and encapsulate growth factors. In this study, a poly(ε)caprolactone (PCL) scaffold was fabricated using solution electrospinning and was subsequently ozonated in a water reactor. The O3 treatment resulted in the expected occurrence of oxygen-containing functional groups, which improved scaffold wettability by almost 27% and enhanced cell proliferation for up to 14 days. The PCL scaffold was able to withhold 120 min of O3 treatment, maintaining fibrous morphology and mechanical properties.
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Affiliation(s)
- Lauryna Dabasinskaite
- Department of Environmental Technology, Kaunas University of Technology, LT-50254 Kaunas, Lithuania; (E.K.); (D.M.); (D.C.)
| | - Edvinas Krugly
- Department of Environmental Technology, Kaunas University of Technology, LT-50254 Kaunas, Lithuania; (E.K.); (D.M.); (D.C.)
| | - Odeta Baniukaitiene
- Department of Polymer Chemistry and Technology, Kaunas University of Technology, LT-50254 Kaunas, Lithuania;
| | - Dainius Martuzevicius
- Department of Environmental Technology, Kaunas University of Technology, LT-50254 Kaunas, Lithuania; (E.K.); (D.M.); (D.C.)
| | - Darius Ciuzas
- Department of Environmental Technology, Kaunas University of Technology, LT-50254 Kaunas, Lithuania; (E.K.); (D.M.); (D.C.)
| | - Lina Jankauskaite
- Faculty of Medicine, Institute of Physiology and Pharmacology, Lithuanian University of Health Sciences, LT-44307 Kaunas, Lithuania; (L.J.); (L.A.); (A.U.)
| | - Lauryna Aukstikalne
- Faculty of Medicine, Institute of Physiology and Pharmacology, Lithuanian University of Health Sciences, LT-44307 Kaunas, Lithuania; (L.J.); (L.A.); (A.U.)
| | - Arvydas Usas
- Faculty of Medicine, Institute of Physiology and Pharmacology, Lithuanian University of Health Sciences, LT-44307 Kaunas, Lithuania; (L.J.); (L.A.); (A.U.)
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Chae S, Hong J, Hwangbo H, Kim G. The utility of biomedical scaffolds laden with spheroids in various tissue engineering applications. Am J Cancer Res 2021; 11:6818-6832. [PMID: 34093855 PMCID: PMC8171099 DOI: 10.7150/thno.58421] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2021] [Accepted: 04/14/2021] [Indexed: 12/13/2022] Open
Abstract
A spheroid is a complex, spherical cellular aggregate supporting cell-cell and cell-matrix interactions in an environment that mimics the real-world situation. In terms of tissue engineering, spheroids are important building blocks that replace two-dimensional cell cultures. Spheroids replicate tissue physiological activities. The use of spheroids with/without scaffolds yields structures that engage in desired activities and replicate the complicated geometry of three-dimensional tissues. In this mini-review, we describe conventional and novel methods by which scaffold-free and scaffolded spheroids may be fabricated and discuss their applications in tissue regeneration and future perspectives.
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Agnieray H, Glasson J, Chen Q, Kaur M, Domigan L. Recent developments in sustainably sourced protein-based biomaterials. Biochem Soc Trans 2021; 49:953-964. [PMID: 33729443 PMCID: PMC8106505 DOI: 10.1042/bst20200896] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2020] [Revised: 02/17/2021] [Accepted: 02/22/2021] [Indexed: 12/12/2022]
Abstract
Research into the development of sustainable biomaterials is increasing in both interest and global importance due to the increasing demand for materials with decreased environmental impact. This research field utilises natural, renewable resources to develop innovative biomaterials. The development of sustainable biomaterials encompasses the entire material life cycle, from desirable traits, and environmental impact from production through to recycling or disposal. The main objective of this review is to provide a comprehensive definition of sustainable biomaterials and to give an overview of the use of natural proteins in biomaterial development. Proteins such as collagen, gelatin, keratin, and silk, are biocompatible, biodegradable, and may form materials with varying properties. Proteins, therefore, provide an intriguing source of biomaterials for numerous applications, including additive manufacturing, nanotechnology, and tissue engineering. We give an insight into current research and future directions in each of these areas, to expand knowledge on the capabilities of sustainably sourced proteins as advanced biomaterials.
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Affiliation(s)
- H. Agnieray
- School of Chemical Sciences, University of Auckland, Auckland, New Zealand
| | - J.L. Glasson
- Department of Chemical and Material Engineering, University of Auckland, Auckland, New Zealand
| | - Q. Chen
- Department of Chemical and Material Engineering, University of Auckland, Auckland, New Zealand
| | - M. Kaur
- School of Biological Sciences, University of Auckland, Auckland, New Zealand
| | - L.J. Domigan
- Department of Chemical and Material Engineering, University of Auckland, Auckland, New Zealand
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Morise BT, Mutch AL, Garms BC, Herculano RD, Grøndahl L. Evaluation of acrylic acid grafting on the loading and release of scopolamine butylbromide from polymeric matrices for future sialorrhea treatment. J Appl Polym Sci 2021. [DOI: 10.1002/app.50117] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Beatriz Tiemi Morise
- School of Pharmaceutical Sciences São Paulo State University Araraquara Brazil
- School of Chemistry and Molecular Biosciences The University of Queensland Brisbane Queensland Australia
| | - Alexandra Louise Mutch
- School of Chemistry and Molecular Biosciences The University of Queensland Brisbane Queensland Australia
| | - Bruna Cambraia Garms
- School of Chemistry and Molecular Biosciences The University of Queensland Brisbane Queensland Australia
| | | | - Lisbeth Grøndahl
- School of Chemistry and Molecular Biosciences The University of Queensland Brisbane Queensland Australia
- The Australian Institute for Bioengineering and Nanotechnology The University of Queensland Brisbane Queensland Australia
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Fabrication and Evaluation of Layered Double Hydroxide-Enriched ß-Tricalcium Phosphate Nanocomposite Granules for Bone Regeneration: In Vitro Study. Mol Biotechnol 2021; 63:477-490. [PMID: 33755861 DOI: 10.1007/s12033-021-00315-w] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2020] [Accepted: 03/11/2021] [Indexed: 10/21/2022]
Abstract
One of the most important challenges facing tissue engineering researches is the scaffold design with optimum physical and mechanical properties for growth and proliferation of cells, and tissue formation. The aim of this study was to produce a novel nanocomposite containing β-tricalcium phosphate and layered double hydroxide (β-TCP-LDH) and analyzing the capacity of its osteogenic activity in vitro. In this paper, β-tricalcium phosphate and layered double hydroxide powders were synthesized by co-precipitation processes. Then, the porous nanocomposite granules were prepared by the polyurethane sponge replication method. In this study, four kinds of β-TCP granules containing LDHs nanoparticles (ranging from 0.1 to 10 wt%) have been prepared. X-ray diffraction (XRD), scanning electron microscopy (SEM), and energy dispersive X-ray spectroscopy (EDX) analyses were selected to study the phase structure, morphology, and phase distribution, respectively. Physicochemical characterizations demonstrated that the granules were synthesized successfully. Interconnected macro pores ranging over 200-500 μm were observed for all kinds of granules. SEM micrographs showed that human mesenchymal stem cells (hMSCs) were attached to the surfaces of the granules and proliferated in good shape. The results warranted that the synthesized granules exhibited good biocompatibility and mineralization. Based on the results of compressive strength and porosity tests, the most suitable type of granule is β-TCP/LDH 10 wt% with 77% porosity and compressive modulus of 231.4 MPa, which can be utilized in bone tissue engineering. To our knowledge, layered double hydroxides have not previously been incorporated into tricalcium phosphate granules for bone grafting. Also, this study is the first report on the effects of LDH on the mechanical properties and porosity of β-TCP granules. Our results demonstrated that β-TCP/LDH nanocomposite granule has a great potential for bone defects regeneration and tissue engineering applications.
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Doostmohammadi M, Forootanfar H, Shakibaie M, Torkzadeh-Mahani M, Rahimi HR, Jafari E, Ameri A, Amirheidari B. Bioactive anti-oxidative polycaprolactone/gelatin electrospun nanofibers containing selenium nanoparticles/vitamin E for wound dressing applications. J Biomater Appl 2021; 36:193-209. [PMID: 33722085 DOI: 10.1177/08853282211001359] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
In this study, polycaprolactone/gelatin (PCL/GEL) electrospun nanofibers containing biogenic selenium nanoparticles (Se NPs) and Se NPs/vitamin E (VE) with average diameters of 397.8 nm and 279.5 nm, respectively (as determined by SEM inspection) were prepared and their effect on wound healing was evaluated using in-vivo studies. The energy dispersive X-ray (EDX) mapping, TEM micrograph, and FTIR spectra of the prepared nanofibers strongly demonstrated well entrapment of Se NPs and VE into scaffolds. An amount of 57% Se NPs and 43% VE were gradually released from PCL/GEL/Se NPs/VE scaffold after 4 days immersion in PBS solution (pH 7.4). The both PCL/GEL/Se NPs and PCL/GEL/Se NPs/VE scaffolds supported 3T3 cell proliferation and attachment as confirmed by MTT assay and SEM imaging. Complete re-epithelialization, low level of edema and inflammatory cells in coordination with high level of oriented collagens demonstrated the wound healing activity of PCL/GEL/Se NPs/VE. Besides, significant antioxidant efficacy of PCL/GEL/Se NPs and PCL/GEL/Se NPs/VE scaffolds was demonstrated according to GSH and MDA assays. To sum up, the prepared PCL/GEL/Se NPs/VE scaffold in the present study represented suitable healing effect on animal model which candidate it for further studies.
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Affiliation(s)
- Mohsen Doostmohammadi
- Pharmaceutics Research Center, Institute of Neuropharmacology, Kerman University of Medical Sciences, Kerman, Iran
| | - Hamid Forootanfar
- Department of Pharmaceutical Biotechnology, Faculty of Pharmacy, Kerman University of Medical Sciences, Kerman, Iran
| | - Mojtaba Shakibaie
- Department of Pharmaceutical Biotechnology, Faculty of Pharmacy, Kerman University of Medical Sciences, Kerman, Iran.,Pharmaceutical Sciences and Cosmetic Products Research Center, Kerman University of Medical Sciences, Kerman, Iran
| | - Masoud Torkzadeh-Mahani
- Department of Biotechnology, Institute of Science, High Technology and Environmental Sciences, Graduate University of Advanced Technology, Kerman, Iran
| | - Hamid-Reza Rahimi
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Kerman University of Medical Sciences, Kerman, Iran
| | - Elham Jafari
- Pathology and Stem Cells Research Center, Department of Pathology, Kerman University of Medical Science, Kerman, Iran
| | - Alieh Ameri
- Department of Medicinal Chemistry, Faculty of Pharmacy, Kerman University of Medical Sciences, Kerman, Iran
| | - Bagher Amirheidari
- Department of Pharmaceutical Biotechnology, Faculty of Pharmacy, Kerman University of Medical Sciences, Kerman, Iran
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Goulart da Silva T, Baptista Pereira D, Ferreira de Carvalho Patricio B, Alvares Sarcinelli M, Antunes Rocha HV, Letichevsky S, Evelise Ribeiro da Silva C, Mendonça RH. Polycaprolactone/alendronate systems intended for production of biomaterials. J Appl Polym Sci 2021. [DOI: 10.1002/app.50678] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Affiliation(s)
- Talita Goulart da Silva
- Departamento de Engenharia Química/Instituto de Tecnologia Universidade Federal Rural do Rio de Janeiro Seropédica Brazil
| | - Debora Baptista Pereira
- Departamento de Engenharia Química/Instituto de Tecnologia Universidade Federal Rural do Rio de Janeiro Seropédica Brazil
| | | | | | | | - Sonia Letichevsky
- Departamento de Engenharia Química e de Materiais Pontifícia Universidade Católica do Rio de Janeiro Rio de Janeiro Brazil
| | | | - Roberta Helena Mendonça
- Departamento de Engenharia Química/Instituto de Tecnologia Universidade Federal Rural do Rio de Janeiro Seropédica Brazil
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Chandika P, Oh GW, Heo SY, Kim SC, Kim TH, Kim MS, Jung WK. Electrospun porous bilayer nano-fibrous fish collagen/PCL bio-composite scaffolds with covalently cross-linked chitooligosaccharides for full-thickness wound-healing applications. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2021; 121:111871. [PMID: 33579504 DOI: 10.1016/j.msec.2021.111871] [Citation(s) in RCA: 32] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/15/2020] [Revised: 12/28/2020] [Accepted: 12/29/2020] [Indexed: 12/14/2022]
Abstract
The development of tissue-engineered biodegradable artificial tissue substitutes with extracellular matrix-mimicking properties that govern the interaction between the material and biological environment is of great interest in wound-healing applications. In the present study, novel bilayer nanofibrous scaffolds composed of fish collagen (FC) and poly(ε-caprolactone) (PCL) were fabricated using electrospinning, with the covalent attachment of chitooligosaccharides (COS) via carbodiimide chemistry. The architecture and fiber diameter of the non-cross-linked nanofibrous scaffolds remained consistent irrespective of the polymer ratio under different electrospinning conditions, but the fiber diameter changed after cross-linking in association with the FC content. Fourier-transform infrared spectroscopy analysis indicated that the blend of biomaterials was homogenous, with an increase in COS levels with increasing FC content in the nanofibrous scaffolds. Based on cytocompatibility analysis (i.e., the cellular response to the nanofibrous scaffolds and their interaction), the nanofibrous scaffolds with high FC content were functionally active in response to normal human dermal fibroblast‑neonatal (NHDF-neo) and HaCaT keratinocyte cells, leading to the generation of a very effective tissue-engineered implant for full-thickness wound-healing applications. In addition to these empirical results, an assessment of the hydrophilicity, swelling, and mechanical integrity of the proposed COS-containing FC-rich FC/PCL (FCP) nanofibrous scaffolds confirmed that they have significant potential for use as tissue-engineered skin implants for rapid skin regeneration.
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Affiliation(s)
- Pathum Chandika
- Department of Biomedical Engineering, and New-senior Healthcare Innovation Center (BK21 Plus), Pukyong National University, Busan 48513, Republic of Korea
| | - Gun-Woo Oh
- Research Center for Marine Integrated Bionics Technology, Pukyong National University, Busan 48513, Republic of Korea
| | - Seong-Yeong Heo
- Research Center for Marine Integrated Bionics Technology, Pukyong National University, Busan 48513, Republic of Korea
| | - Se-Chang Kim
- Department of Biomedical Engineering, and New-senior Healthcare Innovation Center (BK21 Plus), Pukyong National University, Busan 48513, Republic of Korea
| | - Tae-Hee Kim
- Department of Biomedical Engineering, and New-senior Healthcare Innovation Center (BK21 Plus), Pukyong National University, Busan 48513, Republic of Korea
| | - Min-Sung Kim
- Department of Biomedical Engineering, and New-senior Healthcare Innovation Center (BK21 Plus), Pukyong National University, Busan 48513, Republic of Korea
| | - Won-Kyo Jung
- Department of Biomedical Engineering, and New-senior Healthcare Innovation Center (BK21 Plus), Pukyong National University, Busan 48513, Republic of Korea; Research Center for Marine Integrated Bionics Technology, Pukyong National University, Busan 48513, Republic of Korea.
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Sun K, Li R, Li H, Fan M, Li H. Analysis and Demonstration of a Scaffold Finite Element Model for Cartilage Tissue Engineering. ACS OMEGA 2020; 5:32411-32419. [PMID: 33376878 PMCID: PMC7758984 DOI: 10.1021/acsomega.0c04378] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/12/2020] [Accepted: 11/24/2020] [Indexed: 06/12/2023]
Abstract
A three-dimensional finite element model of articular cartilage was established to explore the mechanical behavior of the repaired area under physiological compression loading. A circular vertical material and a circular inclined stacking material were fabricated, and a 3D printing method was employed for producing three-dimensional solids. The physical and biomechanical properties and biocompatibility were tested. The presence of cells in the circular vertically stacked scaffold significantly promoted the matrix deposition and the cell viability compared with that in the circular inclined scaffolds. The scaffolds made of the circular vertical material and the circular inclined stacking material scaffolds exhibited better overall performance.
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Affiliation(s)
- Kai Sun
- Department
of Orthopaedics, Tianjin First Central Hospital, School of Medicine, Nankai University, Tianjin 300192, China
| | - Ruixin Li
- Institute
of Medical Equipment, Academy of Military
and Medical Sciences, Wandong Road No. 106, Hedong District, Tianjin 300000, China
| | - Hui Li
- Tianjin
Medical University General Hospital, An Shan Road No. 154, Heping District, Tianjin 300192, China
| | - Meng Fan
- Department
of Orthopaedics, Tianjin First Central Hospital, School of Medicine, Nankai University, Tianjin 300192, China
| | - Hao Li
- Institute
of Medical Equipment, Academy of Military
and Medical Sciences, Wandong Road No. 106, Hedong District, Tianjin 300000, China
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Lu M, Chen H, Yuan B, Zhou Y, Min L, Xiao Z, Yang X, Zhu X, Tu C, Zhang X. The morphological effect of nanostructured hydroxyapatite coatings on the osteoinduction and osteogenic capacity of porous titanium. NANOSCALE 2020; 12:24085-24099. [PMID: 33241829 DOI: 10.1039/d0nr06306a] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Weak osteogenic activity affects the long-term fixation and lifespan of titanium (Ti) implants. Surface modification along with a built-in porous structure is a highly considerable approach to improve the osteoinduction and osseointegration capacity of Ti. Herein, the osteoinduction and osteogenic activities of electrochemically deposited (ED) nanoplate-like, nanorod-like and nanoneedle-like hydroxyapatite (HA) coatings (named EDHA-P, EDHA-R, and EDHA-N, respectively) were evaluated in vitro and in vivo by comparison with those of acid/alkali (AA) treatment. The results revealed that the apatite forming ability of all nanostructured EDHA coatings was excellent, and only 12 h of soaking in SBF was needed to induce a complete layer of apatite. More serum proteins adsorbed on EDHA-P than others. In cellular experiments, different from those on EDHA-R and EDHA-N, the cells on EDHA-P presented a polygonal shape with lamellipodia extension, and thus exhibited a relatively larger spreading area. Furthermore, EDHA-P was more favorable for the enhancement of the proliferation and ALP activity of BMSCs, and the up-regulation of OPN gene expression. Based on the good biological performance in vitro, EDHA-P was selected to further evaluate its osteoinduction and osteogenic activities in vivo by comparison with AA treatment. Interestingly, a greater ability of ectopic osteoinduction was observed in the EDHA-P group compared to that in the AA group. At the osseous site, EDHA-P promoted more bone on/ingrowth, and had a higher area percentage of newly formed bone in the bone-implant interface and inner pores of the implants than in the AA group. Thus, a nanoplate-like HA coating has good potential in improving the osteoinductivity and osteogenic activity of porous Ti implants in clinical applications.
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Affiliation(s)
- Minxun Lu
- Department of Orthopedics, West China Hospital, Sichuan University, Chengdu, China.
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Xu Z, Liu P, Li H, Zhang M, Wu Q. In vitro study on electrospun lecithin-based poly (L-lactic acid) scaffolds and their biocompatibility. JOURNAL OF BIOMATERIALS SCIENCE-POLYMER EDITION 2020; 31:2285-2298. [PMID: 32723020 DOI: 10.1080/09205063.2020.1802837] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Affiliation(s)
- Zhonghua Xu
- Department of Cardiac Surgery, First Hospital of Tsinghua University, Beijing, China
| | - Peng Liu
- Doctor-Patient Coordination Office, First Hospital of Tsinghua University, Beijing, China
| | - Hongyin Li
- Department of Cardiac Surgery, First Hospital of Tsinghua University, Beijing, China
| | - Mingkui Zhang
- Department of Cardiac Surgery, First Hospital of Tsinghua University, Beijing, China
| | - Qingyu Wu
- Department of Cardiac Surgery, First Hospital of Tsinghua University, Beijing, China
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49
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pH-responsive characteristics of chitosan-based blends for controlling the adhesivity of cells. J Taiwan Inst Chem Eng 2020. [DOI: 10.1016/j.jtice.2020.04.022] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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