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Hong SJ, Kim DH, Ryoo JH, Park SM, Kwon HC, Keum DH, Shin DM, Han SG. Influence of Gelatin on Adhesion, Proliferation, and Adipogenic Differentiation of Adipose Tissue-Derived Stem Cells Cultured on Soy Protein-Agarose Scaffolds. Foods 2024; 13:2247. [PMID: 39063331 PMCID: PMC11276222 DOI: 10.3390/foods13142247] [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: 06/21/2024] [Revised: 07/15/2024] [Accepted: 07/16/2024] [Indexed: 07/28/2024] Open
Abstract
Scaffolds play a key role in cultured meat production by providing an optimal environment for efficient cell attachment, growth, and development. This study investigated the effects of gelatin coating on the adhesion, proliferation, and adipogenic differentiation of adipose tissue-derived stem cells (ADSCs) cultured on soy protein-agarose scaffolds. Gelatin-coated scaffolds were prepared using 0.5% and 1.0% (w/v) gelatin solutions. The microstructure, water absorption rate, mechanical strength, cytotoxicity, cell adhesion, proliferation, and differentiation capabilities of the scaffolds were analyzed. Field emission scanning electron microscopy revealed the porous microstructure of the scaffolds, which was suitable for cell growth. Gelatin-coated scaffolds exhibited a significantly higher water absorption rate than that of non-coated scaffolds, indicating increased hydrophilicity. In addition, gelatin coating increased the mechanical strength of the scaffolds. Gelatin coating did not show cytotoxicity but significantly enhanced cell adhesion and proliferation. The gene expression levels of peroxisome proliferator-activated receptor gamma, CCAT/enhancer-binding protein alpha, and fatty acid-binding protein 4 were upregulated, and lipid accumulation was increased by gelatin coating. These findings suggest that gelatin-coated scaffolds provide a supportive microenvironment for ADSC growth and differentiation, highlighting their potential as a strategy for the improvement of cultured meat production and adipose tissue engineering.
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Affiliation(s)
- Seong-Joon Hong
- Department of Food Science and Biotechnology of Animal Resources, Konkuk University, Seoul 05029, Republic of Korea; (S.-J.H.); (D.-H.K.); (J.-H.R.); (S.-M.P.); (H.-C.K.); (D.-H.K.)
| | - Do-Hyun Kim
- Department of Food Science and Biotechnology of Animal Resources, Konkuk University, Seoul 05029, Republic of Korea; (S.-J.H.); (D.-H.K.); (J.-H.R.); (S.-M.P.); (H.-C.K.); (D.-H.K.)
| | - Ji-Hwan Ryoo
- Department of Food Science and Biotechnology of Animal Resources, Konkuk University, Seoul 05029, Republic of Korea; (S.-J.H.); (D.-H.K.); (J.-H.R.); (S.-M.P.); (H.-C.K.); (D.-H.K.)
| | - Su-Min Park
- Department of Food Science and Biotechnology of Animal Resources, Konkuk University, Seoul 05029, Republic of Korea; (S.-J.H.); (D.-H.K.); (J.-H.R.); (S.-M.P.); (H.-C.K.); (D.-H.K.)
| | - Hyuk-Cheol Kwon
- Department of Food Science and Biotechnology of Animal Resources, Konkuk University, Seoul 05029, Republic of Korea; (S.-J.H.); (D.-H.K.); (J.-H.R.); (S.-M.P.); (H.-C.K.); (D.-H.K.)
| | - Dong-Hyun Keum
- Department of Food Science and Biotechnology of Animal Resources, Konkuk University, Seoul 05029, Republic of Korea; (S.-J.H.); (D.-H.K.); (J.-H.R.); (S.-M.P.); (H.-C.K.); (D.-H.K.)
| | - Dong-Min Shin
- Department of Food Science and Technology, Keimyung University, Daegu 42601, Republic of Korea;
| | - Sung-Gu Han
- Department of Food Science and Biotechnology of Animal Resources, Konkuk University, Seoul 05029, Republic of Korea; (S.-J.H.); (D.-H.K.); (J.-H.R.); (S.-M.P.); (H.-C.K.); (D.-H.K.)
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Stella SMM, Rama M, Sridhar TM, Vijayalakshmi U. Optimization of Biologically Inspired Electrospun Scaffold for Effective Use in Bone Regenerative Applications. Polymers (Basel) 2024; 16:2023. [PMID: 39065340 PMCID: PMC11280988 DOI: 10.3390/polym16142023] [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: 05/07/2024] [Revised: 06/25/2024] [Accepted: 07/02/2024] [Indexed: 07/28/2024] Open
Abstract
Human bone is composed of organic and inorganic composite materials, contributing to its unique strength and flexibility. Hydroxyapatite (HAP) has been extensively studied for bone regeneration, due to its excellent bioactivity and osteoconductivity, which makes it a highly valuable biomaterial for tissue engineering applications. For better therapeutic effects, composite nanofibers containing polyvinyl alcohol (PVA) and polyvinyl Pyrrolidone (PVP) were developed using an electrospinning technique in this study. Herein, hydroxyapatite (a major inorganic constituent of native bone) concentrations varying from 5 to 25% were reinforced in the composite, which could alter the properties of nanofibers. The as-prepared composite nanofibers were characterized by SEM, TEM, XRD, and FT-IR spectroscopy, and a bioactivity assessment was performed in simulated body fluid (SBF). The ICP-OES analysis was used to determine the concentration of Ca2+ and PO42- ions before and after SBF immersion. To optimize the material selection, the nanofibrous scaffolds were subjected to cell proliferation and differentiation in MG-63 osteoblast cell lines, but no significant toxicity was observed. In conclusion, HAP-PVA-PVP scaffolds exhibit unique physical and chemical properties and ideal biocompatibility, with great promise to serve as effective candidates for bone tissue applications.
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Affiliation(s)
- Susai Mani Mary Stella
- Department of Chemistry, School of Advanced Sciences, Vellore Institute of Technology, Vellore 632014, India;
| | - Murugapandian Rama
- Centre for Nonlinear Systems, Chennai Institute of Technology, Chennai 600069, India;
| | - T. M. Sridhar
- Department of Analytical Chemistry, Guindy Campus, University of Madras, Chennai 600025, India;
| | - Uthirapathy Vijayalakshmi
- Department of Chemistry, School of Advanced Sciences, Vellore Institute of Technology, Vellore 632014, India;
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Baptista LS, Mironov V, Koudan E, Amorim ÉA, Pampolha TP, Kasyanov V, Kovalev A, Senatov F, Granjeiro JM. Bioprinting Using Organ Building Blocks: Spheroids, Organoids, and Assembloids. Tissue Eng Part A 2024; 30:377-386. [PMID: 38062998 DOI: 10.1089/ten.tea.2023.0198] [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] [Indexed: 01/27/2024] Open
Abstract
Three-dimensional (3D) bioprinting, a promising advancement in tissue engineering technology, involves the robotic, layer-by-layer additive biofabrication of functional 3D tissue and organ constructs. This process utilizes biomaterials, typically hydrogels and living cells, following digital models. Traditional tissue engineering uses a classic triad of living cells, scaffolds, and physicochemical signals in bioreactors. A scaffold is a temporary, often biodegradable, support structure. Tissue engineering primarily falls into two categories: (i) scaffold based and (ii) scaffold free. The latter, scaffold-free 3D bioprinting, is gaining increasing popularity. Organ building blocks (OBB), capable of self-assembly and self-organization, such as tissue spheroids, organoids, and assembloids, have begun to be utilized in scaffold-free bioprinting. This article discusses the expanding range of OBB, presents the rapidly evolving collection of bioprinting and bioassembly methods using these OBB, and finally, outlines the advantages, challenges, and future perspectives of using OBB in organ printing.
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Affiliation(s)
- Leandra Santos Baptista
- Campus Duque de Caxias Prof Geraldo Cidade, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
- Post-graduation Program in Biotechnology, National Institute of Metrology, Quality, and Technology (Inmetro), Rio de Janeiro, Brazil
- Laboratory of Eukaryotic Cell Biology, National Institute of Metrology, Quality and Technology (Inmetro), Rio de Janeiro, Brazil
| | - Vladimir Mironov
- Campus Duque de Caxias Prof Geraldo Cidade, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Elizaveta Koudan
- Center for Biomedical Engineering, National University of Science and Technology "MISIS," Moscow, Russia
| | - Érica Almeida Amorim
- Campus Duque de Caxias Prof Geraldo Cidade, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
- Gcell 3D, Rio de Janeiro, Brazil
- Precision Medicine Research Center, Carlos Chagas Filho Institute of Biophysics, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Tathiana Proença Pampolha
- Post-graduation Program in Biotechnology, National Institute of Metrology, Quality, and Technology (Inmetro), Rio de Janeiro, Brazil
- Laboratory of Eukaryotic Cell Biology, National Institute of Metrology, Quality and Technology (Inmetro), Rio de Janeiro, Brazil
| | - Vladimir Kasyanov
- Joint Laboratory of Traumatology and Orthopaedics, Riga Stradins University, Riga, Latvia
| | - Alexei Kovalev
- Priorov Central National Institute of Traumatology and Orthopedics, Moscow, Russia
| | - Fedor Senatov
- Center for Biomedical Engineering, National University of Science and Technology "MISIS," Moscow, Russia
| | - José Mauro Granjeiro
- Post-graduation Program in Biotechnology, National Institute of Metrology, Quality, and Technology (Inmetro), Rio de Janeiro, Brazil
- Laboratory of Eukaryotic Cell Biology, National Institute of Metrology, Quality and Technology (Inmetro), Rio de Janeiro, Brazil
- Laboratory of Clinical Research in Odontology, Fluminense Federal University (UFF), Niterói, Brazil
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Schiera V, Carfì Pavia F, La Carrubba V, Brucato V, Dintcheva NT. Poly-l-Lactic Acid Scaffolds Additivated with Rosmarinic Acid: A Multi-Analytical Approach to Assess The Morphology, Thermal Behavior, and Hydrophilicity. Polymers (Basel) 2024; 16:1672. [PMID: 38932024 PMCID: PMC11207696 DOI: 10.3390/polym16121672] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2024] [Revised: 05/31/2024] [Accepted: 06/09/2024] [Indexed: 06/28/2024] Open
Abstract
This study aims to demonstrate the possibility of incorporating a natural antioxidant biomolecule into polymeric porous scaffolds. To this end, Poly-l-Lactic Acid (PLLA) scaffolds were produced using the Thermally Induced Phase Separation (TIPS) technique and additivated with different amounts of rosmarinic acid (RA). The scaffolds, with a diameter of 4 mm and a thickness of 2 mm, were characterized with a multi-analytical approach. Specifically, Scanning Electron Microscopy analyses demonstrated the presence of an interconnected porous network, characterized by a layer of RA at the level of the pore's surfaces. Moreover, the presence of RA biomolecules increased the hydrophilic nature of the sample, as evidenced by the decrease in the contact angle with water from 128° to 76°. The structure of PLLA and PLLA containing RA molecules has been investigated through DSC and XRD analyses, and the obtained results suggest that the crystallinity decreases when increasing the RA content. This approach is cost-effective, and it can be customized with different biomolecules, offering the possibility of producing porous polymeric structures containing antioxidant molecules. These scaffolds meet the requirements of tissue engineering and could offer a potential solution to reduce inflammation associated with scaffold implantation, thus improving tissue regeneration.
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Affiliation(s)
- Veronica Schiera
- Dipartimento di Ingegneria, Università degli Studi di Palermo, Viale delle Scienze, Ed. 6, 90128 Palermo, Italy
| | | | | | | | - Nadka Tz. Dintcheva
- Dipartimento di Ingegneria, Università degli Studi di Palermo, Viale delle Scienze, Ed. 6, 90128 Palermo, Italy
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Jalili A, Shojaei-Ghahrizjani F, Tabatabaiefar MA, Rahmati S. Decellularized skin pretreatment by monophosphoryl lipid A and lactobacillus casei supernatant accelerate skin recellularization. Mol Biol Rep 2024; 51:675. [PMID: 38787484 DOI: 10.1007/s11033-024-09599-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2023] [Accepted: 04/30/2024] [Indexed: 05/25/2024]
Abstract
BACKGROUND Bioscaffolds and cells are two main components in the regeneration of damaged tissues via cell therapy. Umbilical cord stem cells are among the most well-known cell types for this purpose. The main objective of the present study was to evaluate the effect of the pretreatment of the foreskin acellular matrix (FAM) by monophosphoryl lipid A (MPLA) and Lactobacillus casei supernatant (LCS) on the attraction of human umbilical cord mesenchymal stem cells (hucMSC). METHODS AND RESULTS The expression of certain cell migration genes was studied using qRT-PCR. In addition to cell migration, transdifferentiation of these cells to the epidermal-like cells was evaluated via immunohistochemistry (IHC) and immunocytochemistry (ICC) of cytokeratin 19 (CK19). The hucMSC showed more tissue tropism in the presence of MPLA and LCS pretreated FAM compared to the untreated control group. We confirmed this result by scanning electron microscopy (SEM) analysis, glycosaminoglycan (GAG), collagen, and DNA content. Furthermore, IHC and ICC data demonstrated that both treatments increase the protein expression level of CK19. CONCLUSION Pretreatment of acellular bioscaffolds by MPLA or LCS can increase the migration rate of cells and also transdifferentiation of hucMSC to epidermal-like cells without growth factors. This strategy suggests a new approach in regenerative medicine.
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Affiliation(s)
- Ali Jalili
- Department of Immunology and Hematology, Faculty of Medicine, Kurdistan University of Medical Sciences, Sanandaj, Iran
| | | | - Mohammad Amin Tabatabaiefar
- Department of Genetics and Molecular Biology, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Shima Rahmati
- Cancer Research Center, Shahrekord University of Medical Sciences, Shahrekord, Iran.
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Ahmad SS, Ahmad K, Lim JH, Shaikh S, Lee EJ, Choi I. Therapeutic applications of biological macromolecules and scaffolds for skeletal muscle regeneration: A review. Int J Biol Macromol 2024; 267:131411. [PMID: 38588841 DOI: 10.1016/j.ijbiomac.2024.131411] [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: 01/26/2024] [Revised: 03/11/2024] [Accepted: 03/15/2024] [Indexed: 04/10/2024]
Abstract
Skeletal muscle (SM) mass and strength maintenance are important requirements for human well-being. SM regeneration to repair minor injuries depends upon the myogenic activities of muscle satellite (stem) cells. However, losses of regenerative properties following volumetric muscle loss or severe trauma or due to congenital muscular abnormalities are not self-restorable, and thus, these conditions have major healthcare implications and pose clinical challenges. In this context, tissue engineering based on different types of biomaterials and scaffolds provides an encouraging means of structural and functional SM reconstruction. In particular, biomimetic (able to transmit biological signals) and several porous scaffolds are rapidly evolving. Several biological macromolecules/biomaterials (collagen, gelatin, alginate, chitosan, and fibrin etc.) are being widely used for SM regeneration. However, available alternatives for SM regeneration must be redesigned to make them more user-friendly and economically feasible with longer shelf lives. This review aimed to explore the biological aspects of SM regeneration and the roles played by several biological macromolecules and scaffolds in SM regeneration in cases of volumetric muscle loss.
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Affiliation(s)
- Syed Sayeed Ahmad
- Department of Medical Biotechnology, Yeungnam University, Gyeongsan 38541, South Korea; Research Institute of Cell Culture, Yeungnam University, Gyeongsan 38541, South Korea
| | - Khurshid Ahmad
- Department of Medical Biotechnology, Yeungnam University, Gyeongsan 38541, South Korea; Research Institute of Cell Culture, Yeungnam University, Gyeongsan 38541, South Korea
| | - Jeong Ho Lim
- Department of Medical Biotechnology, Yeungnam University, Gyeongsan 38541, South Korea; Research Institute of Cell Culture, Yeungnam University, Gyeongsan 38541, South Korea
| | - Sibhghatulla Shaikh
- Department of Medical Biotechnology, Yeungnam University, Gyeongsan 38541, South Korea; Research Institute of Cell Culture, Yeungnam University, Gyeongsan 38541, South Korea
| | - Eun Ju Lee
- Department of Medical Biotechnology, Yeungnam University, Gyeongsan 38541, South Korea; Research Institute of Cell Culture, Yeungnam University, Gyeongsan 38541, South Korea
| | - Inho Choi
- Department of Medical Biotechnology, Yeungnam University, Gyeongsan 38541, South Korea; Research Institute of Cell Culture, Yeungnam University, Gyeongsan 38541, South Korea.
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Entezari A, Wu Q, Mirkhalaf M, Lu Z, Roohani I, Li Q, Dunstan CR, Jiang X, Zreiqat H. Unraveling the influence of channel size and shape in 3D printed ceramic scaffolds on osteogenesis. Acta Biomater 2024; 180:115-127. [PMID: 38642786 DOI: 10.1016/j.actbio.2024.04.020] [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: 12/06/2023] [Revised: 03/31/2024] [Accepted: 04/11/2024] [Indexed: 04/22/2024]
Abstract
Bone has the capacity to regenerate itself for relatively small defects; however, this regenerative capacity is diminished in critical-size bone defects. The development of synthetic materials has risen as a distinct strategy to address this challenge. Effective synthetic materials to have emerged in recent years are bioceramic implants, which are biocompatible and highly bioactive. Yet nothing suitable for the repair of large bone defects has made the transition from laboratory to clinic. The clinical success of bioceramics has been shown to depend not only on the scaffold's intrinsic material properties but also on its internal porous geometry. This study aimed to systematically explore the implications of varying channel size, shape, and curvature in tissue scaffolds on in vivo bone regeneration outcomes. 3D printed bioceramic scaffolds with varying channel sizes (0.3 mm to 1.5 mm), shapes (circular vs rectangular), and curvatures (concave vs convex) were implanted in rabbit femoral defects for 8 weeks, followed by histological evaluation. We demonstrated that circular channel sizes of around 0.9 mm diameter significantly enhanced bone formation, compared to channel with diameters of 0.3 mm and 1.5 mm. Interestingly, varying channel shapes (rectangular vs circular) had no significant effect on the volume of newly formed bone. Furthermore, the present study systematically demonstrated the beneficial effect of concave surfaces on bone tissue growth in vivo, reinforcing previous in silico and in vitro findings. This study demonstrates that optimizing architectural configurations within ceramic scaffolds is crucial in enhancing bone regeneration outcomes. STATEMENT OF SIGNIFICANCE: Despite the explosion of work on developing synthetic scaffolds to repair bone defects, the amount of new bone formed by scaffolds in vivo remains suboptimal. Recent studies have illuminated the pivotal role of scaffolds' internal architecture in osteogenesis. However, these investigations have mostly remained confined to in silico and in vitro experiments. Among the in vivo studies conducted, there has been a lack of systematic analysis of individual architectural features. Herein, we utilized bioceramic 3D printing to conduct a systematic exploration of the effects of channel size, shape, and curvature on bone formation in vivo. Our results demonstrate the significant influence of channel size and curvature on in vivo outcomes. These findings provide invaluable insights into the design of more effective bone scaffolds.
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Affiliation(s)
- Ali Entezari
- School of Biomedical Engineering, Faculty of Engineering and Information Technology, University of Technology Sydney, NSW 2007, Australia; Tissue Engineering and Biomaterials Research Unit, School of Biomedical Engineering, The University of Sydney, NSW 2006, Australia
| | - Qianju Wu
- Department of Prosthodontics, Oral Bioengineering, and Regenerative Medicine Lab, Ninth People's Hospital, Shanghai Jiao Tong University, Shanghai 200011, China; Stomatological Hospital of Xiamen Medical College, Xiamen Key Laboratory of Stomatological Disease Diagnosis and Treatment, Xiamen, Fujian, China
| | - Mohammad Mirkhalaf
- School of Mechanical, Medical and Process Engineering, Queensland University of Technology, 2 George St Brisbane, QLD 4000, Australia; Centre for Biomedical Technologies, Queensland University of Technology (QUT), Brisbane, QLD 4059, Australia; Centre for Materials Science, Queensland University of Technology (QUT), Brisbane, QLD 4000, Australia
| | - Zufu Lu
- Tissue Engineering and Biomaterials Research Unit, School of Biomedical Engineering, The University of Sydney, NSW 2006, Australia
| | - Iman Roohani
- Tissue Engineering and Biomaterials Research Unit, School of Biomedical Engineering, The University of Sydney, NSW 2006, Australia
| | - Qing Li
- School of Aerospace, Mechanical and Mechatronic Engineering, The University of Sydney, Sydney, NSW 2006, Australia
| | - Colin R Dunstan
- Tissue Engineering and Biomaterials Research Unit, School of Biomedical Engineering, The University of Sydney, NSW 2006, Australia
| | - Xinquan Jiang
- Department of Prosthodontics, Oral Bioengineering, and Regenerative Medicine Lab, Ninth People's Hospital, Shanghai Jiao Tong University, Shanghai 200011, China.
| | - Hala Zreiqat
- Tissue Engineering and Biomaterials Research Unit, School of Biomedical Engineering, The University of Sydney, NSW 2006, Australia.
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Kosowska K, Korycka P, Jankowska-Snopkiewicz K, Gierałtowska J, Czajka M, Florys-Jankowska K, Dec M, Romanik-Chruścielewska A, Małecki M, Westphal K, Wszoła M, Klak M. Graphene Oxide (GO)-Based Bioink with Enhanced 3D Printability and Mechanical Properties for Tissue Engineering Applications. NANOMATERIALS (BASEL, SWITZERLAND) 2024; 14:760. [PMID: 38727354 PMCID: PMC11085087 DOI: 10.3390/nano14090760] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/28/2024] [Revised: 04/16/2024] [Accepted: 04/24/2024] [Indexed: 05/13/2024]
Abstract
Currently, a major challenge in material engineering is to develop a cell-safe biomaterial with significant utility in processing technology such as 3D bioprinting. The main goal of this work was to optimize the composition of a new graphene oxide (GO)-based bioink containing additional extracellular matrix (ECM) with unique properties that may find application in 3D bioprinting of biomimetic scaffolds. The experimental work evaluated functional properties such as viscosity and complex modulus, printability, mechanical strength, elasticity, degradation and absorbability, as well as biological properties such as cytotoxicity and cell response after exposure to a biomaterial. The findings demonstrated that the inclusion of GO had no substantial impact on the rheological properties and printability, but it did enhance the mechanical properties. This enhancement is crucial for the advancement of 3D scaffolds that are resilient to deformation and promote their utilization in tissue engineering investigations. Furthermore, GO-based hydrogels exhibited much greater swelling, absorbability and degradation compared to non-GO-based bioink. Additionally, these biomaterials showed lower cytotoxicity. Due to its properties, it is recommended to use bioink containing GO for bioprinting functional tissue models with the vascular system, e.g., for testing drugs or hard tissue models.
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Affiliation(s)
- Katarzyna Kosowska
- Foundation of Research and Science Development, 01-793 Warsaw, Poland; (P.K.); (K.J.-S.); (J.G.); (M.C.); (K.F.-J.); (M.D.); (A.R.-C.); (K.W.); (M.W.)
- Polbionica Sp. z o.o., 01-793 Warsaw, Poland
| | - Paulina Korycka
- Foundation of Research and Science Development, 01-793 Warsaw, Poland; (P.K.); (K.J.-S.); (J.G.); (M.C.); (K.F.-J.); (M.D.); (A.R.-C.); (K.W.); (M.W.)
| | - Kamila Jankowska-Snopkiewicz
- Foundation of Research and Science Development, 01-793 Warsaw, Poland; (P.K.); (K.J.-S.); (J.G.); (M.C.); (K.F.-J.); (M.D.); (A.R.-C.); (K.W.); (M.W.)
| | - Joanna Gierałtowska
- Foundation of Research and Science Development, 01-793 Warsaw, Poland; (P.K.); (K.J.-S.); (J.G.); (M.C.); (K.F.-J.); (M.D.); (A.R.-C.); (K.W.); (M.W.)
| | - Milena Czajka
- Foundation of Research and Science Development, 01-793 Warsaw, Poland; (P.K.); (K.J.-S.); (J.G.); (M.C.); (K.F.-J.); (M.D.); (A.R.-C.); (K.W.); (M.W.)
- Polbionica Sp. z o.o., 01-793 Warsaw, Poland
| | - Katarzyna Florys-Jankowska
- Foundation of Research and Science Development, 01-793 Warsaw, Poland; (P.K.); (K.J.-S.); (J.G.); (M.C.); (K.F.-J.); (M.D.); (A.R.-C.); (K.W.); (M.W.)
| | - Magdalena Dec
- Foundation of Research and Science Development, 01-793 Warsaw, Poland; (P.K.); (K.J.-S.); (J.G.); (M.C.); (K.F.-J.); (M.D.); (A.R.-C.); (K.W.); (M.W.)
- Polbionica Sp. z o.o., 01-793 Warsaw, Poland
| | - Agnieszka Romanik-Chruścielewska
- Foundation of Research and Science Development, 01-793 Warsaw, Poland; (P.K.); (K.J.-S.); (J.G.); (M.C.); (K.F.-J.); (M.D.); (A.R.-C.); (K.W.); (M.W.)
| | - Maciej Małecki
- Department of Applied Pharmacy, Faculty of Pharmacy, Medical University of Warsaw, 1 Banacha Street, 02-097 Warsaw, Poland;
- Laboratory of Gene Therapy, Faculty of Pharmacy, Medical University of Warsaw, 1 Banacha Street, 02-097 Warsaw, Poland
| | - Kinga Westphal
- Foundation of Research and Science Development, 01-793 Warsaw, Poland; (P.K.); (K.J.-S.); (J.G.); (M.C.); (K.F.-J.); (M.D.); (A.R.-C.); (K.W.); (M.W.)
- Center for Alzheimer’s and Neurodegenerative Diseases, Peter O’Donnell Jr. Brain Institute, University of Texas Southwestern Medical Center, 6124 Harry Hines Blvd., Dallas, TX 75390, USA
| | - Michał Wszoła
- Foundation of Research and Science Development, 01-793 Warsaw, Poland; (P.K.); (K.J.-S.); (J.G.); (M.C.); (K.F.-J.); (M.D.); (A.R.-C.); (K.W.); (M.W.)
- Polbionica Sp. z o.o., 01-793 Warsaw, Poland
- Medispace Medical Centre, 01-044 Warsaw, Poland
| | - Marta Klak
- Foundation of Research and Science Development, 01-793 Warsaw, Poland; (P.K.); (K.J.-S.); (J.G.); (M.C.); (K.F.-J.); (M.D.); (A.R.-C.); (K.W.); (M.W.)
- Polbionica Sp. z o.o., 01-793 Warsaw, Poland
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Salvante ERG, Popoiu AV, Saxena AK, Popoiu TA, Boia ES, Cimpean AM, Rus FS, Dorobantu FR, Chis M. Glycosaminoglycans Modulate the Angiogenic Ability of Type I Collagen-Based Scaffolds by Acting on Vascular Network Remodeling and Maturation. Bioengineering (Basel) 2024; 11:423. [PMID: 38790290 PMCID: PMC11118912 DOI: 10.3390/bioengineering11050423] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2024] [Revised: 04/17/2024] [Accepted: 04/22/2024] [Indexed: 05/26/2024] Open
Abstract
Type I collagen, prevalent in the extracellular matrix, is biocompatible and crucial for tissue engineering and wound healing, including angiogenesis and vascular maturation/stabilization as required processes of newly formed tissue constructs or regeneration. Sometimes, improper vascularization causes unexpected outcomes. Vascularization failure may be caused by extracellular matrix collagen and non-collagen components heterogeneously. This study compares the angiogenic potential of collagen type I-based scaffolds and collagen type I/glycosaminoglycans scaffolds by using the chick embryo chorioallantoic membrane (CAM) model and IKOSA digital image analysis. Two clinically used biomaterials, Xenoderm (containing type I collagen derived from decellularized porcine extracellular matrix) and a dual-layer collagen sponge (DLC, with a biphasic composition of type I collagen combined with glycosaminoglycans) were tested for their ability to induce new vascular network formation. The AI-based IKOSA app enhanced the research by calculating from stereomicroscopic images angiogenic parameters such as total vascular area, branching sites, vessel length, and vascular thickness. The study confirmed that Xenoderm caused a fast angiogenic response and substantial vascular growth, but was unable to mature the vascular network. DLC scaffold, in turn, produced a slower angiogenic response, but a more steady and organic vascular maturation and stabilization. This research can improve collagen-based knowledge by better assessing angiogenesis processes. DLC may be preferable to Xenoderm or other materials for functional neovascularization, according to the findings.
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Affiliation(s)
| | - Anca Voichita Popoiu
- Emergency Hospital for Children Louis Turcanu, 300011 Timisoara, Romania; (A.V.P.); (E.S.B.)
- Center of Expertise for Rare Vascular Disease in Children, Louis Turcanu Children Hospital, 300011 Timisoara, Romania
| | - Amulya K. Saxena
- Department of Pediatric Surgery, Chelsea Children’s Hospital, Chelsea and Westminster Hospital NHS Fdn Trust, Imperial College London, London SW10 9NH, UK;
| | - Tudor Alexandru Popoiu
- Doctoral School, Victor Babes University of Medicine and Pharmacy Timisoara, 300041 Timisoara, Romania; (E.R.G.S.)
- Department III of Functional Sciences, Discipline of Medical Informatics and Biostatistics, “Victor Babes” University of Medicine and Pharmacy, No. 2 Eftimie Murgu Square, 300041 Timisoara, Romania
| | - Eugen Sorin Boia
- Emergency Hospital for Children Louis Turcanu, 300011 Timisoara, Romania; (A.V.P.); (E.S.B.)
- Center of Expertise for Rare Vascular Disease in Children, Louis Turcanu Children Hospital, 300011 Timisoara, Romania
| | - Anca Maria Cimpean
- Center of Expertise for Rare Vascular Disease in Children, Louis Turcanu Children Hospital, 300011 Timisoara, Romania
- Department of Microscopic Morphology/Histology, Victor Babes University of Medicine and Pharmacy, 300041 Timisoara, Romania
| | - Florina Stefania Rus
- National Institute of Research for Electrochemistry and Condensed Matter, Aurel Paunescu Podeanu Street 144, 300569 Timisoara, Romania;
| | - Florica Ramona Dorobantu
- Department of Neonatology, Faculty of Medicine and Pharmacy, University of Oradea, 410001 Oradea, Romania
| | - Monica Chis
- Department ME2/Rheumatology, Rehabilitation, Physical Medicine and Balneology, Faculty of Medicine, George Emil Palade University of Medicine, Pharmacy, Science, and Technology of Târgu Mureş, 540088 Targu Mures, Romania;
- Clinic of Rheumatology, Emergency County Hospital of Târgu Mureş, 540088 Targu Mures, Romania
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10
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McCall B, Rana K, Sugden K, Junaid S. In-vitro external fixation pin-site model proof of concept: A novel approach to studying wound healing in transcutaneous implants. Proc Inst Mech Eng H 2024; 238:403-411. [PMID: 38602217 PMCID: PMC11010558 DOI: 10.1177/09544119241234154] [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: 03/04/2022] [Accepted: 02/05/2024] [Indexed: 04/12/2024]
Abstract
External fixation is an essential surgical technique for treating trauma, limb lengthening and deformity correction, however infection is common, with infection rates ranging from 4.5 to 100% of cases. Throughout the literature researchers and clinicians have highlighted a relationship between excessive movement of the pin and skin and an increase in the patient's risk of infection, however, currently no studies have addressed this role of pin-movement on pin-site wounds. This preliminary study describes a novel in vitro pin-site model, developed using a full-thickness human skin equivalent (HSE) model in conjunction with a bespoke mechanical system which simulates pin-movement. The effect of pin-movement on the wound healing response of the skin equivalents was assessed by measuring the expression of pro-inflammatory cytokines. Six human skin equivalent models were divided into three test groups: no pin as the control, static pin-site wound and dynamic pin-site wound (n = 3). On day 3 concentrations of IL-1α and IL-8 showed a significant increase compared to the control when a static fixation pin was implanted into the skin equivalent (p < 0.05) and (p < 0.005) respectively. Levels of IL-1α and IL-8 increased further in the dynamic sample compared to the static sample (p < 0.05) and (p < 0.0005). This study demonstrates for the first time the application of HSE model to study external-fixation pin-movement in vitro. The results of this study demonstrated pin-movement has a negative effect on soft-tissue wound-healing, supporting the anecdotal evidence reported in the literature, however further analysis of wound heading would be required to verify this hypothesis.
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Affiliation(s)
- Blake McCall
- Biomedical Engineering Research Group, School of Engineering and Applied Science, Aston University, Birmingham, UK
| | - Karan Rana
- Aston Research Centre for Healthy Ageing, School of Life and Health Science, Aston University, Birmingham, UK
| | - Kate Sugden
- Aston Institute of Photonics Technology, College of Engineering and Physical Sciences, Aston University, Birmingham, UK
| | - Sarah Junaid
- Biomedical Engineering Research Group, School of Engineering and Applied Science, Aston University, Birmingham, UK
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11
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He L. Biomaterials for Regenerative Cranioplasty: Current State of Clinical Application and Future Challenges. J Funct Biomater 2024; 15:84. [PMID: 38667541 PMCID: PMC11050949 DOI: 10.3390/jfb15040084] [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: 02/10/2024] [Revised: 03/18/2024] [Accepted: 03/26/2024] [Indexed: 04/28/2024] Open
Abstract
Acquired cranial defects are a prevalent condition in neurosurgery and call for cranioplasty, where the missing or defective cranium is replaced by an implant. Nevertheless, the biomaterials in current clinical applications are hardly exempt from long-term safety and comfort concerns. An appealing solution is regenerative cranioplasty, where biomaterials with/without cells and bioactive molecules are applied to induce the regeneration of the cranium and ultimately repair the cranial defects. This review examines the current state of research, development, and translational application of regenerative cranioplasty biomaterials and discusses the efforts required in future research. The first section briefly introduced the regenerative capacity of the cranium, including the spontaneous bone regeneration bioactivities and the presence of pluripotent skeletal stem cells in the cranial suture. Then, three major types of biomaterials for regenerative cranioplasty, namely the calcium phosphate/titanium (CaP/Ti) composites, mineralised collagen, and 3D-printed polycaprolactone (PCL) composites, are reviewed for their composition, material properties, and findings from clinical trials. The third part discusses perspectives on future research and development of regenerative cranioplasty biomaterials, with a considerable portion based on issues identified in clinical trials. This review aims to facilitate the development of biomaterials that ultimately contribute to a safer and more effective healing of cranial defects.
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Affiliation(s)
- Lizhe He
- Key Laboratory of 3D Printing Process and Equipment of Zhejiang Province, School of Mechanical Engineering, Zhejiang University, Hangzhou 310028, China
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12
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Goker M, Derici US, Gokyer S, Parmaksiz MG, Kaya B, Can A, Yilgor P. Spatial Growth Factor Delivery for 3D Bioprinting of Vascularized Bone with Adipose-Derived Stem/Stromal Cells as a Single Cell Source. ACS Biomater Sci Eng 2024; 10:1607-1619. [PMID: 38416687 PMCID: PMC10934245 DOI: 10.1021/acsbiomaterials.3c01222] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2023] [Revised: 02/18/2024] [Accepted: 02/20/2024] [Indexed: 03/01/2024]
Abstract
Encapsulating multiple growth factors within a scaffold enhances the regenerative capacity of engineered bone grafts through their localization and controls the spatiotemporal release profile. In this study, we bioprinted hybrid bone grafts with an inherent built-in controlled growth factor delivery system, which would contribute to vascularized bone formation using a single stem cell source, human adipose-derived stem/stromal cells (ASCs) in vitro. The strategy was to provide precise control over the ASC-derived osteogenesis and angiogenesis at certain regions of the graft through the activity of spatially positioned microencapsulated BMP-2 and VEGF within the osteogenic and angiogenic bioink during bioprinting. The 3D-bioprinted vascularized bone grafts were cultured in a perfusion bioreactor. Results proved localized expression of osteopontin and CD31 by the ASCs, which was made possible through the localized delivery activity of the built-in delivery system. In conclusion, this approach provided a methodology for generating off-the-shelf constructs for vascularized bone regeneration and has the potential to enable single-step, in situ bioprinting procedures for creating vascularized bone implants when applied to bone defects.
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Affiliation(s)
- Meric Goker
- Department
of Biomedical Engineering, Ankara University
Faculty of Engineering, Ankara 06830, Turkey
- Department
of Anatomy and Regenerative Medicine, Royal
College of Surgeons in Ireland, Dublin D02 YN77, Ireland
| | - Utku Serhat Derici
- Department
of Biomedical Engineering, Ankara University
Faculty of Engineering, Ankara 06830, Turkey
| | - Seyda Gokyer
- Department
of Biomedical Engineering, Ankara University
Faculty of Engineering, Ankara 06830, Turkey
| | - Mehmet Goktug Parmaksiz
- Department
of Biomedical Engineering, Ankara University
Faculty of Engineering, Ankara 06830, Turkey
| | - Burak Kaya
- Department
of Plastic, Reconstructive and Aesthetic Surgery, Ankara University Faculty of Medicine, Ankara 06620, Turkey
- Ankara
University Medical Design Research and Application Center, MEDITAM, Ankara 06520, Turkey
| | - Alp Can
- Department
of Histology and Embryology, Ankara University
Faculty of Medicine, Ankara 06230, Turkey
| | - Pinar Yilgor
- Department
of Biomedical Engineering, Ankara University
Faculty of Engineering, Ankara 06830, Turkey
- Ankara
University Medical Design Research and Application Center, MEDITAM, Ankara 06520, Turkey
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13
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Munoz-Perez E, Rubio-Retama J, Cussó L, Igartua M, Hernandez RM, Santos-Vizcaino E. 3D-printed Laponite/Alginate hydrogel-based suppositories for versatile drug loading and release. Drug Deliv Transl Res 2024:10.1007/s13346-023-01506-5. [PMID: 38185776 DOI: 10.1007/s13346-023-01506-5] [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] [Accepted: 12/18/2023] [Indexed: 01/09/2024]
Abstract
Traditional approaches to solid rectal therapies have halted progress, leading to a continual decline in the use of conventional suppositories. Additive manufacturing techniques have been recently explored as a suitable innovative tool for suppository fabrication. However, little advancement has been made in composition materials for 3D-printed suppository (3DPS) manufacturing and still, conventional vehicles are often used for construct fabrication, hindering the growth in the field. As a novelty, this study unveils a ground-breaking Laponite-alginate hydrogel-based 3DPS. Interestingly, this study proposes a novel approach for loading drugs into the 3DPS employing for the first time the post-printing loading. Thus, a passive loading strategy of molecular models is developed, demonstrating the versatility and capacity to load molecules of different charges and molecular sizes within the matrix systems. This novel strategy allows adapting the load of a wide range of drugs into a single ink, which simplifies and speeds up the 3DPS technological development process for drugs with different physico-chemical properties. Additionally, in this research, a displacement strategy of the three-dimensional Laponite matrices is developed in order to enhance the drug release capacity through the 3DPS and their disintegration capacity, resulting in a significant improvement of the drug diffusion through the hydrogel matrix and a rapid disintegration of the 3DPS. Finally, our study demonstrates that the obtained 3DPS have a suitable in vivo behavior, being non-obstructive and allowing the normal motility of the rats intestine.
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Affiliation(s)
- Elena Munoz-Perez
- NanoBioCel Research Group, Laboratory of Pharmaceutics, School of Pharmacy, University of the Basque Country (UPV/EHU), Paseo de la Universidad 7, 01006, Vitoria Gasteiz, Spain
- NanoBioCel Research Group, Vitoria Gasteiz, Spain
| | - J Rubio-Retama
- Department of Chemistry in Pharmaceutical Science, Complutense University of Madrid, 28040, Madrid, Spain
| | - Lorena Cussó
- Unidad de Imagen Avanzada, Centro Nacional de Investigaciones Cardiovasculares Carlos III (CNIC), Madrid, Spain
- Laboratorio de imagen para pequeño animal de experimentación, Instituto de Investigación Sanitaria Gregorio Marañón, Madrid, Spain
- CIBER de salud mental, Instituto de salud Carlos III, Madrid, Spain
| | - Manoli Igartua
- NanoBioCel Research Group, Laboratory of Pharmaceutics, School of Pharmacy, University of the Basque Country (UPV/EHU), Paseo de la Universidad 7, 01006, Vitoria Gasteiz, Spain
- NanoBioCel Research Group, Vitoria Gasteiz, Spain
- Biomedical Research Networking Centre in Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN), Institute of Health Carlos III, Madrid, Spain
| | - Rosa Maria Hernandez
- NanoBioCel Research Group, Laboratory of Pharmaceutics, School of Pharmacy, University of the Basque Country (UPV/EHU), Paseo de la Universidad 7, 01006, Vitoria Gasteiz, Spain.
- NanoBioCel Research Group, Vitoria Gasteiz, Spain.
- Biomedical Research Networking Centre in Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN), Institute of Health Carlos III, Madrid, Spain.
| | - Edorta Santos-Vizcaino
- NanoBioCel Research Group, Laboratory of Pharmaceutics, School of Pharmacy, University of the Basque Country (UPV/EHU), Paseo de la Universidad 7, 01006, Vitoria Gasteiz, Spain.
- NanoBioCel Research Group, Vitoria Gasteiz, Spain.
- Biomedical Research Networking Centre in Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN), Institute of Health Carlos III, Madrid, Spain.
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14
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Soltani L, Ghaneialvar H, Abbasi N, Bayat P, Nazari M. Chitosan/alginate scaffold enhanced with Berberis vulgaris extract for osteocyte differentiation of ovine fetal stem cells. Cell Biochem Funct 2024; 42:e3924. [PMID: 38269507 DOI: 10.1002/cbf.3924] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2023] [Revised: 01/03/2024] [Accepted: 01/04/2024] [Indexed: 01/26/2024]
Abstract
Designing biocompatible polymers using plant derivatives can be extremely useful in tissue engineering, nanomedicine, and many other fields of medicine. In this study, it was first looked into how chitosan/alginate scaffolds were made and characterized in the presence of berberine and barberry fruit extract. Second, the process of proliferation and differentiation of ovine fetal BM-MSCs (bone marrow-mesenchymal stem cells) was assessed on these scaffolds after BM-MSCs were extracted and confirmed by developing into osteocyte and adipose cells. To investigate the differentiation, treatment groups include (1) ovine fetal BM-MSCs were plated in Dulbecco's modified eagle medium culture medium with high glucose containing 10% fetal bovine serum and antibiotics (negative control), (2) ovine fetal BM-MSCs were plated in osteogenic differentiation medium (positive control group), (3) positive control group + barberry fruit extract, (4) positive control group + berberine, (5) ovine fetal BM-MSCs were plated in osteogenic differentiation medium on chitosan/alginate scaffold (hydrogel group), (6) ovine fetal BM-MSCs were plated in osteogenic differentiation medium on chitosan/alginate/barberry fruit extract scaffold (hydrogel group containing barberry fruit extract), and (7) ovine fetal BM-MSCs were plated in osteogenic differentiation medium on chitosan/alginate/berberine scaffold (hydrogel group containing berberine). Alkaline phosphatase (ALP) enzyme concentrations, mineralization rate using a calcium kit, and mineralization measurement by alizarin staining quantification were all found after 21 days of culture. In addition, real-time quantitative reverse transcription polymerase chain reaction was used to assess the expression of the ALP, COL1A2, and Runx2 genes. Days 5 and 7 had the lowest water absorption by the hydrogel scaffold containing barberry extract, which was significant in comparison to other groups (p < .05). Among the hydrogel scaffolds under study, the one containing barberry extract exhibited the lowest tensile strength, and this difference was statistically significant (p < .05). The chitosan/alginate hydrogel has the highest tensile strength of all of them. In comparison to the control and other treatment groups, the inclusion of berberine in the chitosan/alginate hydrogel significantly increased the expression of the ALP, Runx2, and COL1A2 genes (p < .05). The osteocyte differentiation of mesenchymal stem cells in in vitro settings appears to have been enhanced by the inclusion of berberine in the chitosan/alginate scaffold.
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Affiliation(s)
- Leila Soltani
- Department of Animal Sciences, Faculty of Agriculture, Razi University, Kermanshah, Iran
| | - Hori Ghaneialvar
- Biotechnology and Medicinal Plants Research Center, Ilam University of Medical Sciences, Ilam, Iran
- Department of Clinical Biochemistry, Medical School, Ilam University of Medical Sciences, Ilam, Iran
| | - Naser Abbasi
- Biotechnology and Medicinal Plants Research Center, Ilam University of Medical Sciences, Ilam, Iran
- Department of Pharmacology, Medical School, Ilam University of Medical Sciences, Ilam, Iran
| | - Parvaneh Bayat
- Department of Chemistry, Isfahan University of Technology, Ilam, Iran
| | - Maryam Nazari
- Applied Chemistry Department, Faculty of Chemistry, Razi University, Kermanshah, Iran
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15
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Najafi R, Yazdian F, Pezeshki-Modaress M, Aleemardani M, Chahsetareh H, Hassanzadeh S, Farhadi M, Bagher Z. Fabrication and optimization of multilayered composite scaffold made of sulfated alginate-based nanofiber/decellularized Wharton's jelly ECM for tympanic membrane tissue engineering. Int J Biol Macromol 2023; 253:127128. [PMID: 37802440 DOI: 10.1016/j.ijbiomac.2023.127128] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2023] [Revised: 09/25/2023] [Accepted: 09/27/2023] [Indexed: 10/10/2023]
Abstract
In this study, we fabricated a novel multilayer polyvinyl alcohol (PVA)/alginate sulfate (ALG-S) nanofiber/decellularized Wharton's Jelly ECM (d-ECM) composite for tympanic membrane perforations (TMPs) tissue engineering (TE). Initially, electrospun PVA/ALG-S scaffolds with different blend ratios were fabricated. The influence of ALG-S ratio on surface morphology, mechanical, physical and biological properties of the nanofibers was studied. Secondly, 3-layer composites were developed as a combination of PVA/ALG-S nanofibers and d-ECM to take synergic advantages of electrospun mats and d-ECM. As part of the evaluation of the effects of d-ECM incorporation, the composite's mechanical properties, in vitro degradation, swelling ratio, and biological activities were assessed. The MTT assay showed that PVA/ALG-S nanofibers with 50:50 ratio provided a more desirable environment to support cell growth. A composite containing 25 mg/cm2 d-ECM was determined as the optimal composite through MTT assay, and this composite was used for animal studies inducing TMP regeneration. According to the in vivo studies, the optimal composite not only stimulated the healing of TMPs but also shortened the healing period. These results suggest that a multilayer nanofiber/hydrogel composite could be a potential platform for regenerating TMPs.
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Affiliation(s)
- Roghayeh Najafi
- Department of Life Science Engineering, Faculty of New Science and Technologies, University of Tehran, Iran
| | - Fatemeh Yazdian
- Department of Life Science Engineering, Faculty of New Science and Technologies, University of Tehran, Iran.
| | | | - Mina Aleemardani
- Biomaterials and Tissue Engineering Group, Department of Materials Science and Engineering, Kroto Research Institute, The University of Sheffield, Sheffield S3 7HQ, UK
| | - Hadi Chahsetareh
- Department of Life Science Engineering, Faculty of New Science and Technologies, University of Tehran, Iran
| | - Sajad Hassanzadeh
- Eye Research Center, Five Senses Health Research Institute, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Mohammad Farhadi
- ENT and Head and Neck Research Center and Department, The Five Senses Health Institute, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Zohreh Bagher
- ENT and Head and Neck Research Center and Department, The Five Senses Health Institute, School of Medicine, Iran University of Medical Sciences, Tehran, Iran; Department of Tissue Engineering and Regenerative Medicine, Faculty of Advanced Technologies in Medicine, Iran University of Medical Sciences, Tehran, Iran.
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16
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Mehta P, Sharma M, Devi M. Hydrogels: An overview of its classifications, properties, and applications. J Mech Behav Biomed Mater 2023; 147:106145. [PMID: 37797557 DOI: 10.1016/j.jmbbm.2023.106145] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2023] [Revised: 09/21/2023] [Accepted: 09/22/2023] [Indexed: 10/07/2023]
Abstract
The review paper starts with the introduction to hydrogels along with broad literature survey covering different modes of synthesis including high energy radiation methods. After that, paper covered broad classification of the hydrogels depending upon the basis of their source of origin, method of synthesis, type of cross-linking present and ionic charges on bound groups. Another advanced category response triggered hydrogels, which includes pH, temperature, electro, and light and substrate responsive hydrogels was also studied. Presented paper summarises chemical structure, properties, and synthesis of different kinds of hydrogels. Main focus was given to the preparation super absorbents such as: Semi-interpenetrating networks (semi-IPNs), Interpenetrating networks (IPNs) and cross-linked binary graft copolymers (BGCPs). The weak mechanical properties and easy degradation limit the uses of bio-based -hydrogels in biomedical field. Their properties can be improved through different chemical and physical methods. These methods were also discussed in the current research paper. Also, it includes development of hydrogels as controlled drug delivery devices, as implants and biomaterials to replace malfunctioned body parts along with their use in several other applications listed in the literature. Literature survey on the application of hydrogels in different fields like biomedical, nano-biotechnology, tissue engineering, drug delivery and agriculture was also carried out.
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Affiliation(s)
- Preeti Mehta
- Department of Applied Sciences, CEC-Chandigarh Group of Colleges, Landran, Mohali, 140307, Punjab, India.
| | - Monika Sharma
- Department of Applied Sciences, CEC-Chandigarh Group of Colleges, Landran, Mohali, 140307, Punjab, India.
| | - Meena Devi
- Department of Applied Sciences, CEC-Chandigarh Group of Colleges, Landran, Mohali, 140307, Punjab, India.
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17
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Dabaghi M, Eras V, Kaltenhaeuser D, Ahmed N, Wildemann B. Allografts for partial meniscus repair: an in vitro and ex vivo meniscus culture study. Front Bioeng Biotechnol 2023; 11:1268176. [PMID: 37901839 PMCID: PMC10603185 DOI: 10.3389/fbioe.2023.1268176] [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: 07/27/2023] [Accepted: 09/11/2023] [Indexed: 10/31/2023] Open
Abstract
The purpose of this study was to evaluate the treatment potential of a human-derived demineralized scaffold, Spongioflex® (SPX), in partial meniscal lesions by employing in vitro models. In the first step, the differentiation potential of human meniscal cells (MCs) was investigated. In the next step, the ability of SPX to accommodate and support the adherence and/or growth of MCs while maintaining their fibroblastic/chondrocytic properties was studied. Control scaffolds, including bovine collagen meniscus implant (CMI) and human meniscus allograft (M-Allo), were used for comparison purposes. In addition, the migration tendency of MCs from fresh donor meniscal tissue into SPX was investigated in an ex vivo model. The results showed that MCs cultured in osteogenic medium did not differentiate into osteogenic cells or form significant calcium phosphate deposits, although AP activity was relatively increased in these cells. Culturing cells on the scaffolds revealed increased viability on SPX compared to the other scaffold materials. Collagen I synthesis, assessed by ELISA, was similar in cells cultured in 2D and on SPX. MCs on micro-porous SPX (weight >0.5 g/cm3) exhibited increased osteogenic differentiation indicated by upregulated expression of ALP and RUNX2, while also showing upregulated expression of the chondrogen-specific SOX9 and ACAN genes. Ingrowth of cells on SPX was observed after 28 days of cultivation. Overall, the results suggest that SPX could be a promising biocompatible scaffold for meniscal regeneration.
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Affiliation(s)
- Mohammad Dabaghi
- Experimental Trauma Surgery, Department of Trauma, Hand and Reconstructive Surgery, Jena University Hospital, Friedrich Schiller University Jena, Jena, Germany
| | - Volker Eras
- German Institute for Cell and Tissue Replacement (DIZG, gemeinnützige GmbH), Berlin, Germany
| | - Daniel Kaltenhaeuser
- German Institute for Cell and Tissue Replacement (DIZG, gemeinnützige GmbH), Berlin, Germany
| | - Norus Ahmed
- German Institute for Cell and Tissue Replacement (DIZG, gemeinnützige GmbH), Berlin, Germany
| | - Britt Wildemann
- Experimental Trauma Surgery, Department of Trauma, Hand and Reconstructive Surgery, Jena University Hospital, Friedrich Schiller University Jena, Jena, Germany
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18
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Ivanovski S, Breik O, Carluccio D, Alayan J, Staples R, Vaquette C. 3D printing for bone regeneration: challenges and opportunities for achieving predictability. Periodontol 2000 2023; 93:358-384. [PMID: 37823472 DOI: 10.1111/prd.12525] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2023] [Revised: 07/18/2023] [Accepted: 08/26/2023] [Indexed: 10/13/2023]
Abstract
3D printing offers attractive opportunities for large-volume bone regeneration in the oro-dental and craniofacial regions. This is enabled by the development of CAD-CAM technologies that support the design and manufacturing of anatomically accurate meshes and scaffolds. This review describes the main 3D-printing technologies utilized for the fabrication of these patient-matched devices, and reports on their pre-clinical and clinical performance including the occurrence of complications for vertical bone augmentation and craniofacial applications. Furthermore, the regulatory pathway for approval of these devices is discussed, highlighting the main hurdles and obstacles. Finally, the review elaborates on a variety of strategies for increasing bone regeneration capacity and explores the future of 4D bioprinting and biodegradable metal 3D printing.
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Affiliation(s)
- Saso Ivanovski
- School of Dentistry, Centre for Orofacial Regeneration, Reconstruction and Rehabilitation (COR3), The University of Queensland, Queensland, Herston, Australia
| | - Omar Breik
- Herston Biofabrication Institute, Metro North Hospital and Health Service, Brisbane, Queensland, Australia
| | - Danilo Carluccio
- Herston Biofabrication Institute, Metro North Hospital and Health Service, Brisbane, Queensland, Australia
| | - Jamil Alayan
- School of Dentistry, Centre for Orofacial Regeneration, Reconstruction and Rehabilitation (COR3), The University of Queensland, Queensland, Herston, Australia
| | - Ruben Staples
- School of Dentistry, Centre for Orofacial Regeneration, Reconstruction and Rehabilitation (COR3), The University of Queensland, Queensland, Herston, Australia
| | - Cedryck Vaquette
- School of Dentistry, Centre for Orofacial Regeneration, Reconstruction and Rehabilitation (COR3), The University of Queensland, Queensland, Herston, Australia
- Herston Biofabrication Institute, Metro North Hospital and Health Service, Brisbane, Queensland, Australia
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19
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Kaou MH, Furkó M, Balázsi K, Balázsi C. Advanced Bioactive Glasses: The Newest Achievements and Breakthroughs in the Area. NANOMATERIALS (BASEL, SWITZERLAND) 2023; 13:2287. [PMID: 37630871 PMCID: PMC10459405 DOI: 10.3390/nano13162287] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/11/2023] [Revised: 07/28/2023] [Accepted: 08/07/2023] [Indexed: 08/27/2023]
Abstract
Bioactive glasses (BGs) are especially useful materials in soft and bone tissue engineering and even in dentistry. They can be the solution to many medical problems, and they have a huge role in the healing processes of bone fractures. Interestingly, they can also promote skin regeneration and wound healing. Bioactive glasses are able to attach to the bone tissues and form an apatite layer which further initiates the biomineralization process. The formed intermediate apatite layer makes a connection between the hard tissue and the bioactive glass material which results in faster healing without any complications or side effects. This review paper summarizes the most recent advancement in the preparation of diverse types of BGs, such as silicate-, borate- and phosphate-based bioactive glasses. We discuss their physical, chemical, and mechanical properties detailing how they affect their biological performances. In order to get a deeper insight into the state-of-the-art in this area, we also consider their medical applications, such as bone regeneration, wound care, and dental/bone implant coatings.
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Affiliation(s)
- Maroua H. Kaou
- Centre for Energy Research, Institute of Technical Physics and Materials Science, Konkoly-Thege M. Str. 29-33, 1121 Budapest, Hungary; (M.H.K.); (M.F.); (K.B.)
- Doctoral School of Materials Science and Technologies, Óbuda University, Bécsi Str. 96/B, 1030 Budapest, Hungary
| | - Mónika Furkó
- Centre for Energy Research, Institute of Technical Physics and Materials Science, Konkoly-Thege M. Str. 29-33, 1121 Budapest, Hungary; (M.H.K.); (M.F.); (K.B.)
| | - Katalin Balázsi
- Centre for Energy Research, Institute of Technical Physics and Materials Science, Konkoly-Thege M. Str. 29-33, 1121 Budapest, Hungary; (M.H.K.); (M.F.); (K.B.)
| | - Csaba Balázsi
- Centre for Energy Research, Institute of Technical Physics and Materials Science, Konkoly-Thege M. Str. 29-33, 1121 Budapest, Hungary; (M.H.K.); (M.F.); (K.B.)
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20
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Liu K, Zhou Q, Zhang X, Ma L, Xu B, He R. Morphologies, mechanical and in vitro behaviors of DLP-based 3D printed HA scaffolds with different structural configurations. RSC Adv 2023; 13:20830-20838. [PMID: 37441027 PMCID: PMC10333813 DOI: 10.1039/d3ra03080f] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2023] [Accepted: 07/03/2023] [Indexed: 07/15/2023] Open
Abstract
In the field of bone engineering, porous ceramic scaffolds are in great demand for repairing bone defects. In this study, hydroxyapatite (HA) ceramic scaffolds with three different structural configurations, including the body-centered cubic (BCC), the face-centered cubic (FCC), and the triply periodic minimal surface (TPMS), were fabricated through digital light processing (DLP) based 3D printing technologies. The effects of the structural configurations on the morphologies and mechanical properties of the DLP-based 3D printed HA scaffolds were characterized. Furthermore, in vitro evaluations, including in vitro cytocompatibility, bone alkaline phosphatase (ALP) activity assay, and protein expression, were conducted to assess HA scaffold behavior. Finally, we evaluated the effects of structural configurations from these aspects and selected the most suitable structure of HA scaffold for bone repair.
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Affiliation(s)
- Ke Liu
- Center of Stomatology, China-Japan Friendship Hospital Beijing 100029 China
- Graduate School of Peking Union Medical College, Chinese Academy of Medical Sciences and Peking Union Medical College Beijing 100029 China
| | - Qing Zhou
- Beijing Key Laboratory of Lightweight Multi-functional Composite Materials and Structure, Beijing Institute of Technology Beijing 100081 China
| | - Xueqin Zhang
- Beijing Key Laboratory of Lightweight Multi-functional Composite Materials and Structure, Beijing Institute of Technology Beijing 100081 China
| | - Lili Ma
- Center of Stomatology, China-Japan Friendship Hospital Beijing 100029 China
| | - Baohua Xu
- Center of Stomatology, China-Japan Friendship Hospital Beijing 100029 China
| | - Rujie He
- Beijing Key Laboratory of Lightweight Multi-functional Composite Materials and Structure, Beijing Institute of Technology Beijing 100081 China
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21
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Sugumaran S, Selvam D, Nivedhitha M, Ganesh Mohanraj K, Almutairi BO, Arokiyaraj S, Guru A, Arockiaraj J. Role of individual and combined impact of simvastatin and α-TCP in rat calvarial bone defect: An experimental study. Saudi Dent J 2023. [DOI: 10.1016/j.sdentj.2023.07.013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/16/2023] Open
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22
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He L, Yin J, Gao X. Additive Manufacturing of Bioactive Glass and Its Polymer Composites as Bone Tissue Engineering Scaffolds: A Review. Bioengineering (Basel) 2023; 10:672. [PMID: 37370603 DOI: 10.3390/bioengineering10060672] [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: 04/25/2023] [Revised: 05/20/2023] [Accepted: 05/25/2023] [Indexed: 06/29/2023] Open
Abstract
Bioactive glass (BG) and its polymer composites have demonstrated great potential as scaffolds for bone defect healing. Nonetheless, processing these materials into complex geometry to achieve either anatomy-fitting designs or the desired degradation behavior remains challenging. Additive manufacturing (AM) enables the fabrication of BG and BG/polymer objects with well-defined shapes and intricate porous structures. This work reviewed the recent advancements made in the AM of BG and BG/polymer composite scaffolds intended for bone tissue engineering. A literature search was performed using the Scopus database to include publications relevant to this topic. The properties of BG based on different inorganic glass formers, as well as BG/polymer composites, are first introduced. Melt extrusion, direct ink writing, powder bed fusion, and vat photopolymerization are AM technologies that are compatible with BG or BG/polymer processing and were reviewed in terms of their recent advances. The value of AM in the fabrication of BG or BG/polymer composites lies in its ability to produce scaffolds with patient-specific designs and the on-demand spatial distribution of biomaterials, both contributing to effective bone defect healing, as demonstrated by in vivo studies. Based on the relationships among structure, physiochemical properties, and biological function, AM-fabricated BG or BG/polymer composite scaffolds are valuable for achieving safer and more efficient bone defect healing in the future.
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Affiliation(s)
- Lizhe He
- Center for Medical and Engineering Innovation, The First Affiliated Hospital of Ningbo University, Ningbo 315010, China
- The State Key Laboratory of Fluid Power Transmission and Control Systems, Key Laboratory of 3D Printing Process and Equipment of Zhejiang Province, School of Mechanical Engineering, Zhejiang University, Hangzhou 310028, China
| | - Jun Yin
- The State Key Laboratory of Fluid Power Transmission and Control Systems, Key Laboratory of 3D Printing Process and Equipment of Zhejiang Province, School of Mechanical Engineering, Zhejiang University, Hangzhou 310028, China
| | - Xiang Gao
- Department of Neurosurgery, The First Affiliated Hospital of Ningbo University, Ningbo 315010, China
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23
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Jackson CE, Ramos-Rodriguez DH, Farr NTH, English WR, Green NH, Claeyssens F. Development of PCL PolyHIPE Substrates for 3D Breast Cancer Cell Culture. Bioengineering (Basel) 2023; 10:bioengineering10050522. [PMID: 37237592 DOI: 10.3390/bioengineering10050522] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2023] [Revised: 04/12/2023] [Accepted: 04/23/2023] [Indexed: 05/28/2023] Open
Abstract
Cancer is a becoming a huge social and economic burden on society, becoming one of the most significant barriers to life expectancy in the 21st century. In particular, breast cancer is one of the leading causes of death for women. One of the most significant difficulties to finding efficient therapies for specific cancers, such as breast cancer, is the efficiency and ease of drug development and testing. Tissue-engineered (TE) in vitro models are rapidly developing as an alternative to animal testing for pharmaceuticals. Additionally, porosity included within these structures overcomes the diffusional mass transfer limit whilst enabling cell infiltration and integration with surrounding tissue. Within this study, we investigated the use of high-molecular-weight polycaprolactone methacrylate (PCL-M) polymerised high-internal-phase emulsions (polyHIPEs) as a scaffold to support 3D breast cancer (MDA-MB-231) cell culture. We assessed the porosity, interconnectivity, and morphology of the polyHIPEs when varying mixing speed during formation of the emulsion, successfully demonstrating the tunability of these polyHIPEs. An ex ovo chick chorioallantoic membrane assay identified the scaffolds as bioinert, with biocompatible properties within a vascularised tissue. Furthermore, in vitro assessment of cell attachment and proliferation showed promising potential for the use of PCL polyHIPEs to support cell growth. Our results demonstrate that PCL polyHIPEs are a promising material to support cancer cell growth with tuneable porosity and interconnectivity for the fabrication of perfusable 3D cancer models.
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Affiliation(s)
- Caitlin E Jackson
- Materials Science and Engineering, The Kroto Research Institute, University of Sheffield, Sheffield S3 7HQ, UK
- Insigneo Institute for In Silico Medicine, The Pam Liversidge Building, University of Sheffield, Sheffield S1 3JD, UK
| | | | - Nicholas T H Farr
- Materials Science and Engineering, The Kroto Research Institute, University of Sheffield, Sheffield S3 7HQ, UK
- Insigneo Institute for In Silico Medicine, The Pam Liversidge Building, University of Sheffield, Sheffield S1 3JD, UK
| | - William R English
- Norwich Medical School, University of East Anglia, Norwich NR3 7TJ, UK
| | - Nicola H Green
- Materials Science and Engineering, The Kroto Research Institute, University of Sheffield, Sheffield S3 7HQ, UK
- Insigneo Institute for In Silico Medicine, The Pam Liversidge Building, University of Sheffield, Sheffield S1 3JD, UK
| | - Frederik Claeyssens
- Materials Science and Engineering, The Kroto Research Institute, University of Sheffield, Sheffield S3 7HQ, UK
- Insigneo Institute for In Silico Medicine, The Pam Liversidge Building, University of Sheffield, Sheffield S1 3JD, UK
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24
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Chen J, Zhang D, Wu LP, Zhao M. Current Strategies for Engineered Vascular Grafts and Vascularized Tissue Engineering. Polymers (Basel) 2023; 15:polym15092015. [PMID: 37177162 PMCID: PMC10181238 DOI: 10.3390/polym15092015] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2022] [Revised: 04/21/2023] [Accepted: 04/21/2023] [Indexed: 05/15/2023] Open
Abstract
Blood vessels not only transport oxygen and nutrients to each organ, but also play an important role in the regulation of tissue regeneration. Impaired or occluded vessels can result in ischemia, tissue necrosis, or even life-threatening events. Bioengineered vascular grafts have become a promising alternative treatment for damaged or occlusive vessels. Large-scale tubular grafts, which can match arteries, arterioles, and venules, as well as meso- and microscale vasculature to alleviate ischemia or prevascularized engineered tissues, have been developed. In this review, materials and techniques for engineering tubular scaffolds and vasculature at all levels are discussed. Examples of vascularized tissue engineering in bone, peripheral nerves, and the heart are also provided. Finally, the current challenges are discussed and the perspectives on future developments in biofunctional engineered vessels are delineated.
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Affiliation(s)
- Jun Chen
- Department of Organ Transplantation, Zhujiang Hospital, Southern Medical University, Guangzhou 510280, China
- Center for Chemical Biology and Drug Discovery, Laboratory of Computational Biomedicine, Guangzhou Institute of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou 510530, China
| | - Di Zhang
- Center for Chemical Biology and Drug Discovery, Laboratory of Computational Biomedicine, Guangzhou Institute of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou 510530, China
| | - Lin-Ping Wu
- Center for Chemical Biology and Drug Discovery, Laboratory of Computational Biomedicine, Guangzhou Institute of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou 510530, China
| | - Ming Zhao
- Department of Organ Transplantation, Zhujiang Hospital, Southern Medical University, Guangzhou 510280, China
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25
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Ali M, Farwa U, Park SS, Kim YS, Lee BT. Physico-biological and in vivo evaluation of irisin loaded 45S5 porous bioglass granules for bone regeneration. BIOMATERIALS ADVANCES 2023; 147:213326. [PMID: 36758281 DOI: 10.1016/j.bioadv.2023.213326] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/02/2022] [Revised: 01/18/2023] [Accepted: 01/30/2023] [Indexed: 02/05/2023]
Abstract
In this study, we investigated the physico-biological and in-vivo evaluation of irisin loaded 45S5 bioglass bone graft for enhancing osteoblastic differentiation and bone regeneration in rat femur head defect model. Highly porous structure was obtained in the bioglass by burn-out process with varying the concentration of poly (methyl methacrylate) (PMMA) spheres. 10 % polyvinyl alcohol (PVA) was used as a binder for the sustain releasing of irisin on porous bioglass. Different concentrations of irisin were loaded on the selected bioglass samples and these were further evaluated for the biocompatibility and osteoblastic differentiation properties. The in vitro results demonstrated not only its biocompatibility but also that it stimulated pre-osteoblast differentiation. The in vivo data showed new bone formation as well as expression of osteogenic proteins like alkaline phosphatase (ALP), Runt-related transcription factor 2 (Runx-2), osteopontin (OPN), and collagen-1 (Col-1). Our results support the use of irisin loaded bioglass for the use of early bone regeneration.
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Affiliation(s)
- Maqsood Ali
- Department of Regenerative Medicine, College of Medicine, Soonchunhyang University, Cheonan, South Korea
| | - Ume Farwa
- Institute of Tissue Regeneration, Soonchunhyang University, Cheonan, South Korea
| | - Seong-Su Park
- Department of Regenerative Medicine, College of Medicine, Soonchunhyang University, Cheonan, South Korea
| | - Yong-Sik Kim
- Institute of Tissue Regeneration, Soonchunhyang University, Cheonan, South Korea; Department of Microbiology, College of Medicine, Soonchunhyang University, Cheonan, South Korea
| | - Byong-Taek Lee
- Department of Regenerative Medicine, College of Medicine, Soonchunhyang University, Cheonan, South Korea; Institute of Tissue Regeneration, Soonchunhyang University, Cheonan, South Korea.
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26
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Jang JW, Min KE, Kim C, Wern C, Yi S. PCL and DMSO 2 Composites for Bio-Scaffold Materials. MATERIALS (BASEL, SWITZERLAND) 2023; 16:2481. [PMID: 36984361 PMCID: PMC10055993 DOI: 10.3390/ma16062481] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/30/2022] [Revised: 03/08/2023] [Accepted: 03/18/2023] [Indexed: 06/18/2023]
Abstract
Polycaprolactone (PCL) has been one of the most popular biomaterials in tissue engineering due to its relatively low melting temperature, excellent thermal stability, and cost-effectiveness. However, its low cell attraction, low elastic modulus, and long-term degradation time have limited its application in a wide range of scaffold studies. Dimethyl sulfone (DMSO2) is a stable and non-hazardous organosulfur compound with low viscosity and high surface tension. PCL and DMSO2 composites may overcome the limitations of PCL as a biomaterial and tailor the properties of biocomposites. In this study, PCL and DMSO2 composites were investigated as a new bio-scaffold material to increase hydrophilicity and mechanical properties and tailor degradation properties in vitro. PCL and DMSO2 were physically mixed with 10, 20, and 30 wt% of DMSO2 to evaluate thermal, hydrophilicity, mechanical, and degradation properties of the composites. The water contact angle of the composites for hydrophilicity decreased by 15.5% compared to pure PCL. The experimental results showed that the mechanical and degradation properties of PCL and DMSO2 were better than those of pure PCL, and the properties can be tuned by regulating DMSO2 concentration in the PCL matrix. The elastic modulus of the composite with 30 wt% of DMSO2 showed 532 MPa, and its degradation time was 18 times faster than that of PCL.
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Affiliation(s)
- Jae-Won Jang
- Department of Mechanical and Material Engineering, Portland State University, Portland, OR 97201, USA
| | - Kyung-Eun Min
- Department of Mechanical and Material Engineering, Portland State University, Portland, OR 97201, USA
| | - Cheolhee Kim
- Department of Mechanical and Material Engineering, Portland State University, Portland, OR 97201, USA
- Welding and Joining R&D Group, Korea Institute of Industrial Technology, 156, Getbeol-ro, Yeonsu-gu, Incheon 21999, Republic of Korea
| | - Chien Wern
- Department of Mechanical and Material Engineering, Portland State University, Portland, OR 97201, USA
| | - Sung Yi
- Department of Mechanical and Material Engineering, Portland State University, Portland, OR 97201, USA
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27
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Numerical simulation and printability analysis of fused deposition modeling with dual-temperature control. Biodes Manuf 2023. [DOI: 10.1007/s42242-023-00239-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/06/2023]
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28
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Kumawat VS, Bandyopadhyay-Ghosh S, Ghosh SB. An overview of translational research in bone graft biomaterials. JOURNAL OF BIOMATERIALS SCIENCE. POLYMER EDITION 2023; 34:497-540. [PMID: 36124544 DOI: 10.1080/09205063.2022.2127143] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
Natural bone healing is often inadequate to treat fractures with critical size bone defects and massive bone loss. Immediate surgical interventions through bone grafts have been found to be essential on such occasions. Naturally harvested bone grafts, although are the preferred choice of the surgeons; they suffer from serious clinical limitations, including disease transmission, donor site morbidity, limited supply of graft etc. Synthetic bone grafts, on the other hand, offer a more clinically appealing approach to decode the pathways of bone repair through use of tissue engineered biomaterials. This article critically retrospects the translational research on various engineered biomaterials towards bringing transformative changes in orthopaedic healthcare. The first section of the article discusses about composition and ultrastructure of bone along with the global perspectives on statistical escalation of bone fracture surgeries requiring use of bone grafts. The next section reviews the types, benefits and challenges of various natural and synthetic bone grafts. An overview of clinically relevant biomaterials from traditionally used metallic, bioceramic, and biopolymeric biomaterials to new generation composites have been summarised. Finally, this narrative review concludes with the discussion on the emerging trends and future perspectives of the promising bone grafts.
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Affiliation(s)
- Vijay Shankar Kumawat
- Engineered Biomedical Materials Research and Innovation Centre (EnBioMatRIC), Manipal University Jaipur, Jaipur, Rajasthan, India.,Department of Mechanical Engineering, Manipal University Jaipur, Jaipur, Rajasthan, India
| | - Sanchita Bandyopadhyay-Ghosh
- Engineered Biomedical Materials Research and Innovation Centre (EnBioMatRIC), Manipal University Jaipur, Jaipur, Rajasthan, India.,Department of Mechanical Engineering, Manipal University Jaipur, Jaipur, Rajasthan, India
| | - Subrata Bandhu Ghosh
- Engineered Biomedical Materials Research and Innovation Centre (EnBioMatRIC), Manipal University Jaipur, Jaipur, Rajasthan, India.,Department of Mechanical Engineering, Manipal University Jaipur, Jaipur, Rajasthan, India
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29
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Taheri S, Ghazali ZS, Montazeri L, Ebrahim FA, Javadpour J, Kamguyan K, Thormann E, Renaud P, Bonakdar S. Engineered substrates incapable of induction of chondrogenic differentiation compared to the chondrocyte imprinted substrates. Biomed Mater 2023; 18. [PMID: 36693281 DOI: 10.1088/1748-605x/acb5d7] [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: 07/07/2022] [Accepted: 01/24/2023] [Indexed: 01/26/2023]
Abstract
It is well established that surface topography can affect cell functions. However, finding a reproducible and reliable method for regulating stem cell behavior is still under investigation. It has been shown that cell imprinted substrates contain micro- and nanoscale structures of the cell membrane that serve as hierarchical substrates, can successfully alter stem cell fate. This study investigated the effect of the overall cell shape by fabricating silicon wafers containing pit structure in the average size of spherical-like chondrocytes using photolithography technique. We also used chondrocyte cell line (C28/I2) with spindle-like shape to produce cell imprinted substrates. The effect of all substrates on the differentiation of adipose-derived mesenchymal stem cells (ADSCs) has been studied. The AFM and scanning electron microscopy images of the prepared substrates demonstrated that the desired shapes were successfully transferred to the substrates. Differentiation of ADSCs was investigated by immunostaining for mature chondrocyte marker, collagen II, and gene expression of collagen II, Sox9, and aggrecan markers. C28/I2 imprinted substrate could effectively enhanced chondrogenic differentiation compared to regular pit patterns on the wafer. It can be concluded that cell imprinted substrates can induce differentiation signals better than engineered lithographic substrates. The nanostructures on the cell-imprinted patterns play a crucial role in harnessing cell fate. Therefore, the patterns must include the nano-topographies to have reliable and reproducible engineered substrates.
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Affiliation(s)
- Shiva Taheri
- National Cell Bank Department, Iran Pasteur Institute, Tehran, Iran.,School of Metallurgy and Materials Engineering, Iran University of Science and Technology, Tehran, Iran
| | - Zahra Sadat Ghazali
- Department of Biomedical Engineering, Amirkabir University of Technology, Tehran, Iran
| | - Leila Montazeri
- Department of Cell Engineering, Cell Science Research Center, Royan Institute for Stem Cell Biology and Technology, ACECR, Tehran, Iran
| | | | - Jafar Javadpour
- School of Metallurgy and Materials Engineering, Iran University of Science and Technology, Tehran, Iran
| | - Khorshid Kamguyan
- Department of Health Technology, Technical University of Denmark, 2800 Kongens Lyngby, Denmark
| | - Esben Thormann
- Department of Chemistry, Technical University of Denmark, 2800 Kgs. Lyngby, Denmark
| | - Philippe Renaud
- STI-IMT-LMIS4, École Polytechnique Fédérale de Lausanne, Station 17, 1015 Lausanne, Switzerland
| | - Shahin Bonakdar
- National Cell Bank Department, Iran Pasteur Institute, Tehran, Iran
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30
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Khajehmohammadi M, Azizi Tafti R, Nikukar H. Effect of porosity on mechanical and biological properties of bioprinted scaffolds. J Biomed Mater Res A 2023; 111:245-260. [PMID: 36205372 DOI: 10.1002/jbm.a.37455] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2022] [Revised: 09/25/2022] [Accepted: 09/27/2022] [Indexed: 01/10/2023]
Abstract
Treatment of tissue defects commonly represents a major problem in clinics due to difficulties involving a shortage of donors, inappropriate sizes, abnormal shapes, and immunological rejection. While many scaffold parameters such as pore shape, porosity percentage, and pore connectivity could be adjusted to achieve desired mechanical and biological properties. These parameters are crucial scaffold parameters that can be accurately produced by 3D bioprinting technology based on the damaged tissue. In the present research, the effect of porosity percentage (40%, 50%, and 60%) and different pore shapes (square, star, and gyroid) on the mechanical (e.g., stiffness, compressive and tensile behavior) and biological (e.g., biodegradation, and cell viability) properties of porous polycaprolactone (PCL) scaffolds coated with gelatin have been investigated. Moreover, human foreskin fibroblast cells were cultured on the scaffolds in the in-vitro procedures. MTT assay (4, 7, and 14 days) was utilized to determine the cytotoxicity of the porous scaffolds. It is revealed that the porous scaffolds produced by the bioprinter did not produce a cytotoxic effect. Among all the porous scaffolds, scaffolds with a pore size of about 500 μm and porosity of 50% showed the best cell proliferation compared to the controls after 14 days. The results demonstrated that the pore shape, porosity percentage, and pore connectivity have an important role in improving the mechanical and biological properties of porous scaffolds. These 3D bioprinted biodegradable scaffolds exhibit potential for future application as polymeric scaffolds in hard tissue engineering applications.
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Affiliation(s)
| | | | - Habib Nikukar
- Department of Advanced Medical Sciences and Technologies, School of Paramedicine, Shahid Sadoughi University of Medical Sciences, Yazd, Iran.,Medical Nanotechnology and Tissue Engineering Research Center, Yazd Reproductive Sciences Institute, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
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31
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Ma H, Yu K, Wang H, Liu J, Cheng YY, Kang Y, Wang H, Zhang J, Song K. Fabrication and detection of a novel hybrid conductive scaffold based on alginate/gelatin/carboxylated carbon nanotubes (Alg/Gel/mMWCNTs) for neural tissue engineering. Tissue Cell 2023; 80:101995. [PMID: 36512950 DOI: 10.1016/j.tice.2022.101995] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2022] [Revised: 12/02/2022] [Accepted: 12/03/2022] [Indexed: 12/12/2022]
Abstract
Carbon nanotubes (CNTs), as kinds of conductive carbon nanomaterials, were widely applied in neural tissue engineering due to their excellent electrical conductivity and good biocompatibility. In this study, the carboxyl-modified multi-walled carbon nanotubes (mMWCNTs) were introduced into sodium alginate/gelatin (Alg/Gel) scaffolds to optimize the function of the hybrid scaffolds. The Alg/Gel/mMWCNTs conductive scaffolds with mMWCNTs content of 1%, 3%, and 5% were prepared by freeze-drying, respectively. Following this, the physicochemical properties and biocompatibility of the hybrid scaffolds at different magnetic field intensities were evaluated. The conductive scaffolds were characterized by Scanning electron microscopy (SEM) and Fourier transform infrared spectroscopy (FTIR). In general, the mMWCNTs addition improved the hydrophilic, electrical conductivity and mechanical properties of the composite scaffold, and PC12 cells showed a trend of gradual increase over culture time. Particularly, the Alg/Gel-1%C scaffold exhibited the best cell proliferation behavior. Briefly, the surface contact angle decreased from 74 ± 1° to 60 ± 3°, the electrical conductivity and compressive modulus increased to 1.32 × 10-3 ± 2.1 × 10-4 S/cm and 1.40 ± 0.076 Mpa, the G1 phase from 55.67 ± 1.86% to 59.77 ± 0.94% and the G2 phase from 10.32 ± 0.35% to 13.93 ± 1.26%,respectively. In the SEM images, PC12 cells were well-shaped and densely distributed. Therefore, the Alg/Gel/mMWCNTs conductive scaffold has potential as a tissue engineering scaffold in nerve regeneration.
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Affiliation(s)
- Hailin Ma
- State Key Laboratory of Fine Chemicals, Dalian R&D Center for Stem Cell and Tissue Engineering, Dalian University of Technology, Dalian 116024, China
| | - Kai Yu
- State Key Laboratory of Fine Chemicals, Dalian R&D Center for Stem Cell and Tissue Engineering, Dalian University of Technology, Dalian 116024, China
| | - Hao Wang
- State Key Laboratory of Fine Chemicals, Dalian R&D Center for Stem Cell and Tissue Engineering, Dalian University of Technology, Dalian 116024, China
| | - Jiaqi Liu
- State Key Laboratory of Fine Chemicals, Dalian R&D Center for Stem Cell and Tissue Engineering, Dalian University of Technology, Dalian 116024, China
| | - Yuen Yee Cheng
- Institute for Biomedical Materials and Devices, Faculty of Science, University of Technology Sydney, NSW 2007, Australia
| | - Yue Kang
- Department of Breast Surgery, Cancer Hospital of Dalian University of Technology, Liaoning Cancer Hospital & Institute, Shenyang 110042, China.
| | - Hong Wang
- Department of Orthopeadics, Dalian Municipal Central Hospital Affiliated of Dalian Medical University, Dalian 116033, China.
| | - Jingying Zhang
- The Second Clinical Medical College, Guangdong Medical University, Dongguan, 523808 Guangdong, China.
| | - Kedong Song
- State Key Laboratory of Fine Chemicals, Dalian R&D Center for Stem Cell and Tissue Engineering, Dalian University of Technology, Dalian 116024, China.
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32
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Eftekhari-Pournigjeh F, Saeed M, Rajabi S, Tamimi M, Pezeshki-Modaress M. Three-dimensional biomimetic reinforced chitosan/gelatin composite scaffolds containing PLA nano/microfibers for soft tissue engineering application. Int J Biol Macromol 2023; 225:1028-1037. [PMID: 36414076 DOI: 10.1016/j.ijbiomac.2022.11.165] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2022] [Revised: 11/10/2022] [Accepted: 11/16/2022] [Indexed: 11/21/2022]
Abstract
In the current study, we successfully prepared chitosan/gelatin composite scaffolds reinforced by centrifugally spun polylactic acid (PLA) chopped nano/microfibers (PLA-CFs). Herein, different amounts of PLA-CFs (0 %, 1 %, 2 %, 3 %, and 4 % w/v) dispersed in chitosan/gelatin solution were used. Morphological characterization of prepared scaffolds revealed that at the initial stage of adding PLA-CFs, the chopped fibers were localized at the wall of the pores; however, as the fiber load increased, aggregations of chopped-fibers could be seen. Also, mechanical evaluation of scaffolds in terms of compression and tensile mode showed that samples reinforced with 2 % PLA-CFs had enhanced mechanical properties. Indeed, its tensile strength increased from 123.8 to 247.2 kPa for dry and 18.9 to 48.6 kPa for wet conditions. Furthermore, the tensile modulus associated with both conditions increased from 2.99 MPa and 44.5 kPa to 6.43 MPa and 158.4 kPa, respectively. The results of cell culture studies also confirmed that the prepared composite scaffold exhibited appropriate biocompatibility, cell proliferation and migration. The cell infiltration study of the samples revealed that scaffolds reinforced with 2 % PLA-CFs had significantly better cell penetration and distribution compared with the control ones on both days (7 and 14).
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Affiliation(s)
- Fatemeh Eftekhari-Pournigjeh
- Department of Biomedical Engineering, Islamic Azad University, Central Tehran Branch, Tehran, Iran; Soft Tissue Engineering Research Center, Tissue Engineering and Regenerative Medicine Institute, Islamic Azad University, Central Tehran Branch, Tehran, Iran
| | - Mahdi Saeed
- Department of Biomedical Engineering, Islamic Azad University, Central Tehran Branch, Tehran, Iran; Soft Tissue Engineering Research Center, Tissue Engineering and Regenerative Medicine Institute, Islamic Azad University, Central Tehran Branch, Tehran, Iran.
| | - Sarah Rajabi
- Department of Cell Engineering, Cell Science Research Center, Royan Institute for Stem Cell Biology and Technology, ACECR, Tehran, Iran
| | - Maryam Tamimi
- Soft Tissue Engineering Research Center, Tissue Engineering and Regenerative Medicine Institute, Islamic Azad University, Central Tehran Branch, Tehran, Iran
| | - Mohamad Pezeshki-Modaress
- Burn Research Center, Iran University of Medical Sciences, Tehran, Iran; Department of Plastic and Reconstructive Surgery, Hazrat Fatemeh Hospital, School of Medicine, Iran University of Medical Sciences, Tehran, Iran.
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Chauhan A, Alam MA, Kaur A, Malviya R. Advancements and Utilizations of Scaffolds in Tissue Engineering and Drug Delivery. Curr Drug Targets 2023; 24:13-40. [PMID: 36221880 DOI: 10.2174/1389450123666221011100235] [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: 01/05/2022] [Revised: 03/02/2022] [Accepted: 03/09/2022] [Indexed: 11/22/2022]
Abstract
The drug development process requires a thorough understanding of the scaffold and its three-dimensional structure. Scaffolding is a technique for tissue engineering and the formation of contemporary functioning tissues. Tissue engineering is sometimes referred to as regenerative medicine. They also ensure that drugs are delivered with precision. Information regarding scaffolding techniques, scaffolding kinds, and other relevant facts, such as 3D nanostructuring, are discussed in depth in this literature. They are specific and demonstrate localized action for a specific reason. Scaffold's acquisition nature and flexibility make it a new drug delivery technology with good availability and structural parameter management.
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Affiliation(s)
- Akash Chauhan
- Department of Pharmacy, School of Medical and Allied Sciences, Galgotias University, Greater Noida, Uttar Pradesh, India
| | - Md Aftab Alam
- Department of Pharmacy, School of Medical and Allied Sciences, Galgotias University, Greater Noida, Uttar Pradesh, India
| | - Awaneet Kaur
- Department of Pharmacy, School of Medical and Allied Sciences, Galgotias University, Greater Noida, Uttar Pradesh, India
| | - Rishabha Malviya
- Department of Pharmacy, School of Medical and Allied Sciences, Galgotias University, Greater Noida, Uttar Pradesh, India
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Sevinyan L, Gupta P, Velliou E, Madhuri TK. The Development of a Three-Dimensional Platform for Patient-Derived Ovarian Cancer Tissue Models: A Systematic Literature Review. Cancers (Basel) 2022; 14:5628. [PMID: 36428724 PMCID: PMC9688222 DOI: 10.3390/cancers14225628] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2022] [Accepted: 11/09/2022] [Indexed: 11/18/2022] Open
Abstract
There is an unmet biomedical need for ex vivo tumour models that would predict drug responses and in turn help determine treatment regimens and potentially predict resistance before clinical studies. Research has shown that three dimensional models of ovarian cancer (OvCa) are more realistic than two dimensional in vitro systems as they are able to capture patient in vivo conditions in more accurate manner. The vast majority of studies aiming to recapitulate the ovarian tumour morphology, behaviors, and study chemotherapy responses have been using ovarian cancer cell lines. However, despite the advantages of utilising cancer cell lines to set up a platform, they are not as informative as systems applying patient derived cells, as cell lines are not able to recapitulate differences between each individual patient characteristics. In this review we discussed the most recent advances in the creation of 3D ovarian cancer models that have used patient derived material, the challenges to overcome and future applications.
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Affiliation(s)
- Lusine Sevinyan
- Department of Gynaecological Oncology, Royal Surrey NHS Foundation Trust, Guildford GU2 7XX, UK
- Cancer Research, School of Applied Sciences, University of Brighton, Brighton BN2 4HQ, UK
| | - Priyanka Gupta
- Centre for 3D Models of Health and Disease, Division of Surgery and Interventional Science, University College London, London WC1E 6BT, UK
- Bioprocess and Biochemical Engineering Group (BioProChem), Department of Chemical and Process Engineering, University of Surrey, Guildford GU2 7XH, UK
| | - Eirini Velliou
- Centre for 3D Models of Health and Disease, Division of Surgery and Interventional Science, University College London, London WC1E 6BT, UK
- Bioprocess and Biochemical Engineering Group (BioProChem), Department of Chemical and Process Engineering, University of Surrey, Guildford GU2 7XH, UK
| | - Thumuluru Kavitha Madhuri
- Department of Gynaecological Oncology, Royal Surrey NHS Foundation Trust, Guildford GU2 7XX, UK
- Cancer Research, School of Applied Sciences, University of Brighton, Brighton BN2 4HQ, UK
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Cryostructuring of Polymeric Systems: 63. † Synthesis of Two Chemically Tanned Gelatin-Based Cryostructurates and Evaluation of Their Potential as Scaffolds for Culturing of Mammalian Cells. Gels 2022; 8:gels8110695. [DOI: 10.3390/gels8110695] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2022] [Revised: 10/22/2022] [Accepted: 10/25/2022] [Indexed: 11/17/2022] Open
Abstract
Various gelatin-containing gel materials are used as scaffolds for animal and human cell culturing within the fields of cell technologies and tissue engineering. Cryostructuring is a promising technique for the preparation of efficient macroporous scaffolds in biomedical applications. In the current study, two new gelatin-based cryostructurates were synthesized, their physicochemical properties and microstructure were evaluated, and their ability to serve as biocompatible scaffolds for mammalian cells culturing was tested. The preparation procedure included the dissolution of Type A gelatin in water, the addition of urea to inhibit self-gelation, the freezing of such a solution, ice sublimation in vacuo, and urea extraction with ethanol from the freeze-dried matter followed by its cross-linking in an ethanol medium with either carbodiimide or glyoxal. It was shown that in the former case, a denser cross-linked polymer phase was formed, while in the latter case, the macropores in the resultant biopolymer material were wider. The subsequent biotesting of these scaffolds demonstrated their biocompatibility for human mesenchymal stromal cells and HepG2 cells during subcutaneous implantation in rats. Albumin secretion and urea synthesis by HepG2 cells confirmed the possibility of using gelatin cryostructurates for liver tissue engineering.
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Revia RA, Wagner B, James M, Zhang M. High-Throughput Dispensing of Viscous Solutions for Biomedical Applications. MICROMACHINES 2022; 13:1730. [PMID: 36296083 PMCID: PMC9609595 DOI: 10.3390/mi13101730] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/19/2022] [Revised: 10/03/2022] [Accepted: 10/07/2022] [Indexed: 06/16/2023]
Abstract
Cells cultured in three-dimensional scaffolds express a phenotype closer to in vivo cells than cells cultured in two-dimensional containers. Natural polymers are suitable materials to make three-dimensional scaffolds to develop disease models for high-throughput drug screening owing to their excellent biocompatibility. However, natural polymer solutions have a range of viscosities, and none of the currently available liquid dispensers are capable of dispensing highly viscous polymer solutions. Here, we report the development of an automated scaffold dispensing system for rapid, reliable, and homogeneous creation of scaffolds in well-plate formats. We employ computer-controlled solenoid valves to regulate air pressure impinging upon a syringe barrel filled with scaffold solution to be dispensed. Automated dispensing of scaffold solution is achieved via a programmable software interface that coordinates solution extrusion and the movement of a dispensing head. We show that our pneumatically actuated dispensing system can evenly distribute high-viscosity, chitosan-based polymer solutions into 96- and 384-well plates to yield highly uniform three-dimensional scaffolds after lyophilization. We provide a proof-of-concept demonstration of high-throughput drug screening by culturing glioblastoma cells in scaffolds and exposing them to temozolomide. This work introduces a device that can hasten the creation of three-dimensional cell scaffolds and their application to high-throughput testing.
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Affiliation(s)
- Richard A. Revia
- Department of Materials Science and Engineering, University of Washington, Seattle, WA 98195, USA
| | - Brandon Wagner
- Department of Materials Science and Engineering, University of Washington, Seattle, WA 98195, USA
| | - Matthew James
- Department of Materials Science and Engineering, University of Washington, Seattle, WA 98195, USA
| | - Miqin Zhang
- Department of Materials Science and Engineering, University of Washington, Seattle, WA 98195, USA
- Department of Neurological Surgery, University of Washington, Seattle, WA 98195, USA
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Kulcsár K, Buzgo M, Costa PF, Zsoldos I. Optimal microstructure and mechanical properties of open-cell porous titanium structures produced by selective laser melting. Front Bioeng Biotechnol 2022; 10:1022310. [PMID: 36267452 PMCID: PMC9578010 DOI: 10.3389/fbioe.2022.1022310] [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: 08/18/2022] [Accepted: 09/05/2022] [Indexed: 12/04/2022] Open
Abstract
Three-dimensional printing technology enables the production of open cell porous structures. This has advantages but not only in terms of weight reduction. In implant structures, the process of osseointegration is improved, mechanical integration is better, the open cell porous structures resemble a trabecular structure that mimics bone tissue. In this work, we investigated titanium structures made porous by cutting spheres. Based on the patterns of different types of crystal models we created porosity with different strategies. We have shown that there are significant differences in mechanical properties between the porous structures formed with different strategies. We determined the structure that loses the least load-bearing capacity compared to the solid structure, with the same porosity levels and mechanical stresses. We characterized the possibility location and environment of becoming an open cell structure. We performed the calculations with mechanical simulations, which were validated experimentally. The quality of the three-dimensional printing of samples was checked by computed tomography reconstruction analysis.
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Affiliation(s)
- Klaudia Kulcsár
- Department of Materials Science and Technology, Szechenyi Istvan University, Gyor, Hungary
- Dent-Art Teknik Ltd., Gyor, Hungary
| | | | | | - Ibolya Zsoldos
- Department of Materials Science and Technology, Szechenyi Istvan University, Gyor, Hungary
- *Correspondence: Ibolya Zsoldos,
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Dellago B, Altun AA, Liska R, Baudis S. Exploring the limits of toughness enhancers for
3D
printed photopolymers as bone replacement materials. JOURNAL OF POLYMER SCIENCE 2022. [DOI: 10.1002/pol.20220378] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Barbara Dellago
- Christian Doppler Laboratory for Advanced Polymers for Biomaterials and 3D Printing Vienna Austria
- Institute of Applied Synthetic Chemistry TU Wien Vienna Austria
- Austrian Cluster for Tissue Regeneration Vienna Austria
| | - Altan Alpay Altun
- Christian Doppler Laboratory for Advanced Polymers for Biomaterials and 3D Printing Vienna Austria
- Lithoz GmbH Vienna Austria
| | - Robert Liska
- Institute of Applied Synthetic Chemistry TU Wien Vienna Austria
- Austrian Cluster for Tissue Regeneration Vienna Austria
| | - Stefan Baudis
- Christian Doppler Laboratory for Advanced Polymers for Biomaterials and 3D Printing Vienna Austria
- Institute of Applied Synthetic Chemistry TU Wien Vienna Austria
- Austrian Cluster for Tissue Regeneration Vienna Austria
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Complex Architectural Control of Ice-Templated Collagen Scaffolds Using a Predictive Model. Acta Biomater 2022; 153:260-272. [PMID: 36155096 DOI: 10.1016/j.actbio.2022.09.034] [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: 05/23/2022] [Revised: 09/02/2022] [Accepted: 09/14/2022] [Indexed: 11/23/2022]
Abstract
The architectural and physiomechanical properties of regenerative scaffolds have been shown to improve engineered tissue function at both a cellular and tissue level. The fabrication of regenerative three-dimensional scaffolds that precisely replicate the complex hierarchical structure of native tissue, however, remains a challenge. The aim of this work is therefore two-fold: i) demonstrate an innovative multidirectional freeze-casting system to afford precise architectural control of ice-templated collagen scaffolds; and ii) present a predictive simulation as an experimental design tool for bespoke scaffold architecture. We used embedded heat sources within the freeze-casting mold to manipulate the local thermal environment during solidification of ice-templated collagen scaffolds. The resultant scaffolds comprised complex and spatially varied lamellar orientations that correlated with the imposed thermal environment and could be readily controlled by varying the geometry and power of the heat sources. The complex macro-architecture did not interrupt the hierarchical features characteristic of ice-templated scaffolds, but pore orientation had a significant impact on the stiffness of resultant structures under compression. Furthermore, our finite element model (FEM) accurately predicted the thermal environment and illustrated the freezing front topography within the mold during solidification. The lamellar orientation of freeze-cast scaffolds was also predicted using thermal gradient vector direction immediately prior to phase change. In combination our FEM and bespoke freeze-casting system present an exciting opportunity for tailored architectural design of ice-templated regenerative scaffolds that mimic the complex hierarchical environment of the native extracellular matrix. STATEMENT OF SIGNIFICANCE: Biomimetic scaffold structure improves engineered tissue function, but the fabrication of three-dimensional scaffolds that precisely replicate the complex hierarchical structure of native tissue remains a challenge. Here, we leverage the robust relationship between thermal gradients and lamellar orientation of ice-templated collagen scaffolds to develop a multidirectional freeze-casting system with precise control of the thermal environment and consequently the complex lamellar structure of resultant scaffolds. Demonstrating the diversity of our approach, we identify heat source geometry and power as control parameters for complex lamellar orientations. We simultaneously present a finite element model (FEM) that describes the three-dimensional thermal environment during solidification and accurately predicts lamellar structure of resultant scaffolds. The model serves as a design tool for bespoke regenerative scaffolds.
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Celik N, Kim MH, Yeo M, Kamal F, Hayes DJ, Ozbolat IT. miRNA induced 3D bioprinted-heterotypic osteochondral interface. Biofabrication 2022; 14:10.1088/1758-5090/ac7fbb. [PMID: 35803212 PMCID: PMC9588307 DOI: 10.1088/1758-5090/ac7fbb] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2022] [Accepted: 07/08/2022] [Indexed: 11/12/2022]
Abstract
The engineering of osteochondral interfaces remains a challenge. MicroRNAs (miRs) have emerged as significant tools to regulate the differentiation and proliferation of osteogenic and chondrogenic formation in the human musculoskeletal system. Here, we describe a novel approach to osteochondral reconstruction based on the three-dimensional (3D) bioprinting of miR-transfected adipose-derived stem cell (ADSC) spheroids to produce a heterotypic interface that addresses the intrinsic limitations of the traditional approach to inducing zonal differentiation via the use of diffusible cytokines. We evaluated the delivery of miR-148b for osteogenic differentiation and the codelivery of miR-140 and miR-21 for the chondrogenic differentiation of ADSC spheroids. Our results demonstrated that miR-transfected ADSC spheroids exhibited upregulated expression of osteogenic and chondrogenic differentiation related gene and protein markers, and enhanced mineralization and cell proliferation compared to spheroids differentiated using a commercially-available differentiation medium. Upon confirmation of the osteogenic and chondrogenic potential of miR-transfected ADSC spheroids, using aspiration-assisted bioprinting, these spheroids were 3D bioprinted into a dual-layer heterotypic osteochondral interface with a stratified arrangement of distinct osteogenic and chondrogenic zones. The proposed approach holds great promise for the biofabrication of stratified tissues, not only for the osteochondral interfaces presented in this work, but also for other composite tissues and tissue interfaces, such as, but not limited to, the bone-tendon-muscle interface and craniofacial tissues.
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Affiliation(s)
- Nazmiye Celik
- Department of Engineering Science and Mechanics, Penn State University, 212 Earth-Engineering Sciences Bldg., University Park, PA 16802, USA
- The Huck Institutes of the Life Sciences, Penn State University, University Park, PA 16802, USA
| | - Myoung Hwan Kim
- The Huck Institutes of the Life Sciences, Penn State University, University Park, PA 16802, USA
- Department of Biomedical Engineering, Penn State University, Chemical and Biomedical Engineering Bldg., University Park, PA 16802, USA
| | - Miji Yeo
- Department of Engineering Science and Mechanics, Penn State University, 212 Earth-Engineering Sciences Bldg., University Park, PA 16802, USA
- The Huck Institutes of the Life Sciences, Penn State University, University Park, PA 16802, USA
| | - Fadia Kamal
- Center for Orthopedic Research and Translational Sciences, Department of Orthopedics and Re-Habilitation, Penn State University, Hershey, PA 17033, USA
| | - Daniel J. Hayes
- The Huck Institutes of the Life Sciences, Penn State University, University Park, PA 16802, USA
- Department of Biomedical Engineering, Penn State University, Chemical and Biomedical Engineering Bldg., University Park, PA 16802, USA
- Materials Research Institute, Penn State University, University Park, PA 16802, USA
| | - Ibrahim T. Ozbolat
- Department of Engineering Science and Mechanics, Penn State University, 212 Earth-Engineering Sciences Bldg., University Park, PA 16802, USA
- The Huck Institutes of the Life Sciences, Penn State University, University Park, PA 16802, USA
- Department of Biomedical Engineering, Penn State University, Chemical and Biomedical Engineering Bldg., University Park, PA 16802, USA
- Materials Research Institute, Penn State University, University Park, PA 16802, USA
- Department of Neurosurgery, Penn State College of Medicine, Hershey, PA 17033, USA
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Mancino C, Hendrickson T, Whitney LV, Paradiso F, Abasi S, Tasciotti E, Taraballi F, Guiseppi-Elie A. Electrospun electroconductive constructs of aligned fibers for cardiac tissue engineering. NANOMEDICINE : NANOTECHNOLOGY, BIOLOGY, AND MEDICINE 2022; 44:102567. [PMID: 35595015 DOI: 10.1016/j.nano.2022.102567] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/19/2021] [Revised: 11/26/2021] [Accepted: 04/29/2022] [Indexed: 06/15/2023]
Abstract
Myocardial infarction remains the leading cause of death in the western world. Since the heart has limited regenerative capabilities, several cardiac tissue engineering (CTE) strategies have been proposed to repair the damaged myocardium. A novel electrospun construct with aligned and electroconductive fibers combining gelatin, poly(lactic-co-glycolic) acid and polypyrrole that may serve as a cardiac patch is presented. Constructs were characterized for fiber alignment, surface wettability, shrinkage and swelling behavior, porosity, degradation rate, mechanical properties, and electrical properties. Cell-biomaterial interactions were studied using three different types of cells, Neonatal Rat Ventricular Myocytes (NRVM), human lung fibroblasts (MRC-5) and induced pluripotent stem cells (iPSCs). All cell types showed good viability and unique organization on construct surfaces depending on their phenotype. Finally, we assessed the maturation status of NRVMs after 14 days by confocal images and qRT-PCR. Overall evidence supports a proof-of-concept that this novel biomaterial construct could be a good candidate patch for CTE applications.
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Affiliation(s)
- Chiara Mancino
- Center for Musculoskeletal Regeneration, Houston Methodist Academic Institute, Houston, TX, USA; Department of Electronics, Information and Bioengineering, Politecnico di Milano, Milano, Italy.
| | - Troy Hendrickson
- Center for Musculoskeletal Regeneration, Houston Methodist Academic Institute, Houston, TX, USA; Department of Molecular Medicine, Texas A&M MD/PhD Program, Texas A&M Health Science Center, College Station, TX, USA.
| | - Lauren V Whitney
- Center for Bioelectronics, Biosensors and Biochips (C3B®), Department of Biomedical Engineering, Texas A&M University, College Station, TX, USA.
| | - Francesca Paradiso
- Center for Musculoskeletal Regeneration, Houston Methodist Academic Institute, Houston, TX, USA; Reproductive Biology and Gynaecological Oncology Group, Swansea University Medical School, Swansea, UK.
| | - Sara Abasi
- Center for Bioelectronics, Biosensors and Biochips (C3B®), Department of Biomedical Engineering, Texas A&M University, College Station, TX, USA.
| | - Ennio Tasciotti
- Center for Musculoskeletal Regeneration, Houston Methodist Academic Institute, Houston, TX, USA; Department of Electrical and Computer Engineering, Texas A&M University, College Station, TX, USA
| | - Francesca Taraballi
- Center for Musculoskeletal Regeneration, Houston Methodist Academic Institute, Houston, TX, USA; Department of Electrical and Computer Engineering, Texas A&M University, College Station, TX, USA.
| | - Anthony Guiseppi-Elie
- Center for Bioelectronics, Biosensors and Biochips (C3B®), Department of Biomedical Engineering, Texas A&M University, College Station, TX, USA; Department of Electrical and Computer Engineering, Texas A&M University, College Station, TX, USA; Department of Cardiovascular Sciences, Houston Methodist Institute for Academic Medicine and Houston Methodist Research Institute, Houston, TX, USA; ABTECH Scientific, Inc., Biotechnology Research Park, 800 East Leigh Street, Richmond, VA, USA.
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Chimerad M, Barazesh A, Zandi M, Zarkesh I, Moghaddam A, Borjian P, Chimehrad R, Asghari A, Akbarnejad Z, Khonakdar HA, Bagher Z. Tissue engineered scaffold fabrication methods for medical applications. INT J POLYM MATER PO 2022. [DOI: 10.1080/00914037.2022.2101112] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Affiliation(s)
- Mohammadreza Chimerad
- Department of Mechanical & Aerospace Engineering, College of Engineering & Computer Science, University of Central Florida, Orlando, Florida, USA
| | - Alireza Barazesh
- Tissue Engineering and Biological Systems Research Laboratory, School of Mechanical Engineering, Iran University of Science and Technology, Tehran, Iran
| | - Mojgan Zandi
- Department of Polymer Processing, Iran Polymer and Petrochemical Institute, Tehran, Iran
| | - Ibrahim Zarkesh
- Department of Tissue Engineering & Regenerative Medicine, Faculty of Advanced Technologies in Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Armaghan Moghaddam
- Department of Polymer Processing, Iran Polymer and Petrochemical Institute, Tehran, Iran
| | - Pouya Borjian
- Department of Mechanical & Aerospace Engineering, College of Engineering & Computer Science, University of Central Florida, Orlando, Florida, USA
| | - Rojan Chimehrad
- Department of Biological Sciences, Islamic Azad University Tehran Medical Branch, Tehran, Iran
| | - Alimohamad Asghari
- Skull Base Research Center, School of Medicine, The Five Senses Health Institute, Iran University of Medical Sciences, Tehran, Iran
| | - Zeinab Akbarnejad
- ENT and Head and Neck Research Center and Department, School of Medicine, The Five Senses Health Institute, Iran University of Medical Sciences, Tehran, Iran
| | - Hossein Ali Khonakdar
- Department of Polymer Processing, Iran Polymer and Petrochemical Institute, Tehran, Iran
| | - Zohreh Bagher
- Department of Tissue Engineering & Regenerative Medicine, Faculty of Advanced Technologies in Medicine, Iran University of Medical Sciences, Tehran, Iran
- ENT and Head and Neck Research Center and Department, School of Medicine, The Five Senses Health Institute, Iran University of Medical Sciences, Tehran, Iran
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Younus ZM, Roach P, Forsyth NR. Acrylamide-based hydrogels with distinct osteogenic and chondrogenic differentiation potential. Prog Biomater 2022; 11:297-309. [PMID: 35840792 PMCID: PMC9374864 DOI: 10.1007/s40204-022-00196-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2022] [Accepted: 06/28/2022] [Indexed: 12/02/2022] Open
Abstract
Regeneration solutions for the osteochondral interface depth are limited, where multi-material implants have the potential to delaminate affecting the regeneration process and impacting the final integrity of tissue interface. Here we explore regionally mixed hydrogel networks, presenting distinct chemical features to determine their compatibility in supporting osteogenic or chondrogenic cell behaviour and differentiation. Poly(N-isopropylacrylamide) (pNIPAM) and poly(N-tert-butylacrylamide) (pNTBAM) hydrogels were assessed in terms of their chemical differences, mechanical strength, internal architecture, porosity and capacity to support cell viability, migration, and differentiation. pNTBAM polymerized with a Young’s modulus of up to 371 ± 31 kPa compared to the more flexible pNIPAM, 16.5 ± 0.6 kPa. Viability testing revealed biocompatibility of both hydrogels with significantly increased cell numbers observed in pNTBAM (500 ± 95 viable cells/mm2) than in pNIPAM (60 ± 3 viable cells/mm2) (P ≤ 0.05). Mineralization determined through alkaline phosphatase (ALP) activity, calcium ion and annexin A2 markers of mineralization) and osteogenic behaviour (collagen I expression) were supported in both hydrogels, but to a greater extent in pNTBAM. pNTBAM supported significantly elevated levels of chondrogenic markers as evidenced by collagen II and glycosaminoglycan expression in comparison to little or no evidence in pNIPAM (P ≤ 0.05). In conclusion, structurally similar, chemically distinct, acrylamide hydrogels display variable capacities in supporting osteochondral cell behaviours. These systems demonstrate spatial control of cell interaction through simple changes in monomer chemistry. Fine control over chemical presentation during the fabrication of biomaterial implants could lead to greater efficacy and targeted regeneration of semi-complex tissues.
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Affiliation(s)
- Z. M. Younus
- School of Pharmacy and Bioengineering, Keele University, Keele, UK
- Department of Clinical Laboratory Sciences, College of Pharmacy, University of Mosul, Mosul, Iraq
| | - P. Roach
- Department of Chemistry, School of Science, Loughborough University, Leicestershire, UK
| | - N. R. Forsyth
- School of Pharmacy and Bioengineering, Keele University, Keele, UK
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44
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Poly(butylene succinate) matrices obtained by thermally-induced phase separation: Pore shape and orientation affect drug release. POLYMER 2022. [DOI: 10.1016/j.polymer.2022.124916] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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45
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Ansari MAA, Golebiowska AA, Dash M, Kumar P, Jain PK, Nukavarapu SP, Ramakrishna S, Nanda HS. Engineering biomaterials to 3D-print scaffolds for bone regeneration: practical and theoretical consideration. Biomater Sci 2022; 10:2789-2816. [PMID: 35510605 DOI: 10.1039/d2bm00035k] [Citation(s) in RCA: 30] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/05/2024]
Abstract
There are more than 2 million bone grafting procedures performed annually in the US alone. Despite significant efforts, the repair of large segmental bone defects is a substantial clinical challenge which requires bone substitute materials or a bone graft. The available biomaterials lack the adequate mechanical strength to withstand the static and dynamic loads while maintaining sufficient porosity to facilitate cell in-growth and vascularization during bone tissue regeneration. A wide range of advanced biomaterials are being currently designed to mimic the physical as well as the chemical composition of a bone by forming polymer blends, polymer-ceramic and polymer-degradable metal composites. Transforming these novel biomaterials into porous and load-bearing structures via three-dimensional printing (3DP) has emerged as a popular manufacturing technique to develop engineered bone grafts. 3DP has been adopted as a versatile tool to design and develop bone grafts that satisfy porosity and mechanical requirements while having the ability to form grafts of varied shapes and sizes to meet the physiological requirements. In addition to providing surfaces for cell attachment and eventual bone formation, these bone grafts also have to provide physical support during the repair process. Hence, the mechanical competence of the 3D-printed scaffold plays a key role in the success of the implant. In this review, we present various recent strategies that have been utilized to design and develop robust biomaterials that can be deployed for 3D-printing bone substitutes. The article also reviews some of the practical, theoretical and biological considerations adopted in the 3D-structure design and development for bone tissue engineering.
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Affiliation(s)
- Mohammad Aftab Alam Ansari
- Biomedical Engineering and Technology Lab, Mechanical engineering discipline, PDPM Indian Institute of Information Technology, Design & Manufacturing Jabalpur, India.
- FFF Laboratory, Mechanical engineering discipline, PDPM Indian Institute of Information Technology, Design & Manufacturing Jabalpur, India.
- International Centre for Sustainable and Net Zero Technologies, PDPM-Indian Institute of Information Technology Design and Manufacturing (IIITDM) Jabalpur, Dumna Airport Road, Jabalpur-482005, MP, India
| | - Aleksandra A Golebiowska
- Biomedical Engineering, Materials Science & Engineering, and Orthopaedic Surgery, University of Connecticut, 260 Glenbrook Road, Unit 3247 Storrs, CT, 06269, USA
| | - Madhusmita Dash
- School of Minerals, Metallurgical and Materials Engineering, Indian Institute of Technology Bhubaneswar, Arugul, Khurdha 752050, Odisha, India
- International Centre for Sustainable and Net Zero Technologies, PDPM-Indian Institute of Information Technology Design and Manufacturing (IIITDM) Jabalpur, Dumna Airport Road, Jabalpur-482005, MP, India
| | - Prasoon Kumar
- Biodesign and Medical device laboratory, Department of Biotechnology and Medical Engineering, National Institute of Technology, Rourkela, 769008, Odisha, India.
| | - Prashant Kumar Jain
- FFF Laboratory, Mechanical engineering discipline, PDPM Indian Institute of Information Technology, Design & Manufacturing Jabalpur, India.
| | - Syam P Nukavarapu
- Biomedical Engineering, Materials Science & Engineering, and Orthopaedic Surgery, University of Connecticut, 260 Glenbrook Road, Unit 3247 Storrs, CT, 06269, USA
| | - Seeram Ramakrishna
- Centre for Nanofibers and Nanotechnology, Department of Mechanical Engineering, National University of Singapore, Engineering Drive 3, Singapore 117587, Singapore
| | - Himansu Sekhar Nanda
- Biomedical Engineering and Technology Lab, Mechanical engineering discipline, PDPM Indian Institute of Information Technology, Design & Manufacturing Jabalpur, India.
- International Centre for Sustainable and Net Zero Technologies, PDPM-Indian Institute of Information Technology Design and Manufacturing (IIITDM) Jabalpur, Dumna Airport Road, Jabalpur-482005, MP, India
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Fabrication and evaluation of customized implantable drug delivery system for orthopedic therapy based on 3D printing technologies. Int J Pharm 2022; 618:121679. [PMID: 35314275 DOI: 10.1016/j.ijpharm.2022.121679] [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: 12/15/2021] [Revised: 02/18/2022] [Accepted: 03/15/2022] [Indexed: 10/18/2022]
Abstract
A customized implantable drug delivery system with the dual functions of playing a supporting role and providing continuous bacteriostasis is of great importance during the treatment of bone defect diseases. The main objective of this study was to explore the potential of using three-dimensional (3D) printing technologies to fabricate customized implants. Ciprofloxacin hydrochloride (Cipro) was chosen as the model drug, and two printing technologies, semisolid extrusion (SSE) and fused deposition modeling (FDM) were introduced. Six kinds of implants with customized irregular shapes were printed via FDM technology. Two kinds of implants with customized dosages were constructed via SSE technology. In addition, three kinds of implants with customized internal structures were produced via FDM and SSE technologies. The data for morphology, dimensions and mechanical properties demonstrated satisfactory printability and good printing accuracy when applying SSE and FDM technologies to produce the customized implants. The dissolution curves indicated that the desired customized drug release could be achieved by designing the specific internal structures. The biocompatibility examination showed that the printed implants possessed outstanding biocompatibility. In conclusion, all results suggested that 3D printing technologies provide a feasible method and novel strategy to fabricate customized implantable drug delivery systems.
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Shrivastav P, Pramanik S, Vaidya G, Abdelgawad MA, Ghoneim MM, Singh A, Abualsoud BM, Amaral LS, Abourehab MAS. Bacterial cellulose as a potential biopolymer in biomedical applications: a state-of-the-art review. J Mater Chem B 2022; 10:3199-3241. [PMID: 35445674 DOI: 10.1039/d1tb02709c] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Throughout history, natural biomaterials have benefited society. Nevertheless, in recent years, tailoring natural materials for diverse biomedical applications accompanied with sustainability has become the focus. With the progress in the field of materials science, novel approaches for the production, processing, and functionalization of biomaterials to obtain specific architectures have become achievable. This review highlights an immensely adaptable natural biomaterial, bacterial cellulose (BC). BC is an emerging sustainable biopolymer with immense potential in the biomedical field due to its unique physical properties such as flexibility, high porosity, good water holding capacity, and small size; chemical properties such as high crystallinity, foldability, high purity, high polymerization degree, and easy modification; and biological characteristics such as biodegradability, biocompatibility, excellent biological affinity, and non-biotoxicity. The structure of BC consists of glucose monomer units polymerized via cellulose synthase in β-1-4 glucan chains, creating BC nano fibrillar bundles with a uniaxial orientation. BC-based composites have been extensively investigated for diverse biomedical applications due to their similarity to the extracellular matrix structure. The recent progress in nanotechnology allows the further modification of BC, producing novel BC-based biomaterials for various applications. In this review, we strengthen the existing knowledge on the production of BC and BC composites and their unique properties, and highlight the most recent advances, focusing mainly on the delivery of active pharmaceutical compounds, tissue engineering, and wound healing. Further, we endeavor to present the challenges and prospects for BC-associated composites for their application in the biomedical field.
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Affiliation(s)
- Prachi Shrivastav
- Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research (NIPER), Sector 67, S.A.S. Nagar, Mohali, Punjab 160 062, India.,Bombay College of Pharmacy, Kolivery Village, Mathuradas Colony, Kalina, Vakola, Santacruz East, Mumbai, Maharashtra 400 098, India
| | - Sheersha Pramanik
- Department of Biotechnology, Bhupat and Jyoti Mehta School of Biosciences, Indian Institute of Technology Madras, Chennai 600036, Tamil Nadu, India.
| | - Gayatri Vaidya
- Department of Studies in Food Technology, Davangere University, Davangere 577007, Karnataka, India
| | - Mohamed A Abdelgawad
- Department of Pharmaceutical Chemistry, College of Pharmacy, Jouf University, Sakaka, Al Jouf 72341, Saudi Arabia
| | - Mohammed M Ghoneim
- Department of Pharmacy Practice, Faculty of Pharmacy, AlMaarefa University, Ad Diriyah 13713, Saudi Arabia
| | - Ajeet Singh
- Department of Pharmaceutical Sciences, J.S. University, Shikohabad, Firozabad, UP 283135, India.
| | - Bassam M Abualsoud
- Department of Pharmaceutics and Pharmaceutical Technology, College of Pharmacy, Al-Ahliyya Amman University, Amman, 19328, Jordan
| | - Larissa Souza Amaral
- Department of Bioengineering (USP ALUMNI), University of São Paulo (USP), Av. Trabalhador São Carlense, 400, 13566590, São Carlos (SP), Brazil
| | - Mohammed A S Abourehab
- Department of Pharmaceutics, College of Pharmacy, Umm Al-Qura University, Makkah 21955, Saudi Arabia.,Department of Pharmaceutics and Industrial Pharmacy, Faculty of Pharmacy, Minia University, Minia 11566, Egypt
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Calore A, Hadavi D, Honing M, Albillos-Sanchez A, Mota C, Bernaerts K, Harings J, Moroni L. CHOLECALCIFEROL AS BIOACTIVE PLASTICIZER OF HIGH Mw PDLLA SCAFFOLDS FOR BONE REGENERATION. Tissue Eng Part C Methods 2022; 28:335-350. [PMID: 35323028 DOI: 10.1089/ten.tec.2022.0041] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022] Open
Abstract
Synthetic thermoplastic polymers are a widespread choice as material candidates for scaffolds for tissue engineering (TE), thanks to their ease of processing and tunable properties with respect to biological polymers. These features made them largely employed in melt-extrusion based additive manufacturing (AM), with particular application in hard-tissue engineering. In this field, high molecular weight (Mw) polymers ensuring entanglement network strength are often favorable candidates as scaffold materials because of their enhanced mechanical properties compared to lower Mw grades. However, this is accompanied by high viscosities once processed in molten conditions, which requires driving forces not always accessible technically or compatible with often chemically non-stabilized biomedical grades. When possible, this is circumvented by increasing the operating temperature, which often results in polymer chain scission and consequent degradation of properties. Additionally, synthetic polymers are mostly considered bioinert compared to biological materials and additional processing steps are often required to make them favorable for tissue regeneration. In this study, we report the plasticization of a common thermoplastic polymer with cholecalciferol, the metabolically inactive form of vitamin D3. Plasticization of the polymer allowed us to reduce its melt viscosity, and therefore the energy requirements (mechanical (torque) and heat (temperature)) for extrusion, limiting ultimately polymer degradation. Additionally, we evaluated the effect of cholecalciferol, which is more easily available than its active counterpart, on the osteogenic differentiation of mesenchymal stromal cells (hMSCs). Results indicated that cholecalciferol supported osteogenic differentiation more than the osteogenic culture medium, suggesting that hMSCs possess the enzymatic toolbox for Vitamin D3 (VD3) metabolism.
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Affiliation(s)
- Andrea Calore
- Maastricht University, MERLN Institute for Technology-Inspired Regenerative Medicine, Complex Tissue Regeneration, Maastricht, Netherlands;
| | - Darya Hadavi
- Maastricht University, M4I Maastricht Multimodal Molecular Imaging Institute , Maastricht, Netherlands;
| | - Maarten Honing
- Maastricht University, M4I Maastricht Multimodal Molecular Imaging Institute , Maastricht, Netherlands;
| | - Ane Albillos-Sanchez
- Maastricht University, MERLN Institute for Technology-Inspired Regenerative Medicine, Complex Tissue Regeneration Department, Maastricht, Netherlands;
| | - Carlos Mota
- Maastricht University, MERLN Institute for Technology-Inspired Regenerative Medicine, Complex Tissue Regeneration Department, Maastricht, Netherlands;
| | - Katrien Bernaerts
- Maastricht University, AMIBM Aachen-Maastricht Institute for Biobased Materials , Maastricht, Netherlands;
| | - Jules Harings
- Maastricht University, AMIBM Aachen-Maastricht Institute for Biobased Materials , Maastricht, Netherlands;
| | - Lorenzo Moroni
- Maastricht University, MERLN Institute for Technology-Inspired Regenerative Medicine, Uniersiteitsingel, 40, Maastricht, Netherlands, 6229ER;
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A Comparative Study of an Anti-Thrombotic Small-Diameter Vascular Graft with Commercially Available e-PTFE Graft in a Porcine Carotid Model. Tissue Eng Regen Med 2022; 19:537-551. [PMID: 35167044 PMCID: PMC9130378 DOI: 10.1007/s13770-021-00422-4] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2021] [Revised: 12/09/2021] [Accepted: 12/13/2021] [Indexed: 12/11/2022] Open
Abstract
Background: We have designed a reinforced drug-loaded vascular graft composed of polycaprolactone (PCL) and polydioxanone (PDO) via a combination of electrospinning/3D printing approaches. To evaluate its potential for clinical application, we compared the in vivo blood compatibility and performance of PCL/PDO + 10%DY grafts doped with an antithrombotic drug (dipyridamole) with a commercial expanded polytetrafluoroethylene (e-PTFE) graft in a porcine model. Methods: A total of 10 pigs (weight: 25–35 kg) were used in this study. We made a new 5-mm graft with PCL/PDO composite nanofiber via the electrospinning technique. We simultaneously implanted a commercially available e-PTFE graft (n = 5) and our PCL/PDO + 10%DY graft (n = 5) into the carotid arteries of the pigs. No anticoagulant/antiplatelet agent was administered during the follow-up period, and ultrasonography was performed weekly to confirm the patency of the two grafts in vivo. Four weeks later, we explanted and compared the performance of the two grafts by histological analysis and scanning electron microscopy (SEM). Results: No complications, such as sweating on the graft or significant bleeding from the needle hole site, were seen in the PCL/PDO + 10%DY graft immediately after implantation. Serial ultrasonographic examination and immunohistochemical analysis demonstrated that PCL/PDO + 10%DY grafts showed normal physiological blood flow and minimal lumen reduction, and pulsed synchronously with the native artery at 4 weeks after implantation. However, all e-PTFE grafts occluded within the study period. The luminal surface of the PCL/PDO + 10%DY graft in the transitional zone was fully covered with endothelial cells as observed by SEM. Conclusion: The PCL/PDO + 10%DY graft was well tolerated, and no adverse tissue reaction was observed in porcine carotid models during the short-term follow-up. Colonization of the graft by host endothelial and smooth muscle cells coupled with substantial extracellular matrix production marked the regenerative capability. Thus, this material may be an ideal substitute for vascular reconstruction and bypass surgeries. Long-term observations will be necessary to determine the anti-thrombotic and remodeling potential of this device. Supplementary Information The online version contains supplementary material available at 10.1007/s13770-021-00422-4.
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Reactive Magnetron Plasma Modification of Electrospun PLLA Scaffolds with Incorporated Chloramphenicol for Controlled Drug Release. Polymers (Basel) 2022; 14:polym14030373. [PMID: 35160362 PMCID: PMC8839200 DOI: 10.3390/polym14030373] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2021] [Revised: 01/13/2022] [Accepted: 01/14/2022] [Indexed: 02/07/2023] Open
Abstract
Surface modification with the plasma of the direct current reactive magnetron sputtering has demonstrated its efficacy as a tool for enhancing the biocompatibility of polymeric electrospun scaffolds. Improvement of the surface wettability of materials with water, as well as the formation of active chemical bonds in the near-surface layers, are the main reasons for the described effect. These surface effects are also known to increase the release rate of drugs incorporated in fibers. Herein, we investigated the effect of plasma modification on the chloramphenicol release from electrospun poly (lactic acid) fibrous scaffolds. Scaffolds with high-50 wt./wt.%-drug content were obtained. It was shown that plasma modification leads to an increase in the drug release rate and drug diffusion coefficient, while not deteriorating surface morphology and mechanical properties of scaffolds. The materials' antibacterial activity was observed to increase in the first day of the experiment, while remaining on the same level as the unmodified group during the next six days. The proposed technique for modifying the surface of scaffolds will be useful for obtaining drug delivery systems with controlled accelerated release, which can expand the possibilities of local applications of antibiotics and other drugs.
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