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Shearer A, Molinaro M, Montazerian M, Sly JJ, Miola M, Baino F, Mauro JC. The unexplored role of alkali and alkaline earth elements (ALAEs) on the structure, processing, and biological effects of bioactive glasses. Biomater Sci 2024; 12:2521-2560. [PMID: 38530228 DOI: 10.1039/d3bm01338c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/27/2024]
Abstract
Bioactive glass has been employed in several medical applications since its inception in 1969. The compositions of these materials have been investigated extensively with emphasis on glass network formers, therapeutic transition metals, and glass network modifiers. Through these experiments, several commercial and experimental compositions have been developed with varying chemical durability, induced physiological responses, and hydroxyapatite forming abilities. In many of these studies, the concentrations of each alkali and alkaline earth element have been altered to monitor changes in structure and biological response. This review aims to discuss the impact of each alkali and alkaline earth element on the structure, processing, and biological effects of bioactive glass. We explore critical questions regarding these elements from both a glass science and biological perspective. Should elements with little biological impact be included? Are alkali free bioactive glasses more promising for greater biological responses? Does this mixed alkali effect show increased degradation rates and should it be employed for optimized dissolution? Each of these questions along with others are evaluated comprehensively and discussed in the final section where guidance for compositional design is provided.
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Affiliation(s)
- Adam Shearer
- Department of Materials Science and Engineering, The Pennsylvania State University, University Park, Pennsylvania, USA.
| | - Matthew Molinaro
- Department of Engineering Science and Mechanics, The Pennsylvania State University, University Park, Pennsylvania, USA
| | - Maziar Montazerian
- Department of Materials Science and Engineering, The Pennsylvania State University, University Park, Pennsylvania, USA.
| | - Jessica J Sly
- Department of Materials Science and Engineering, The Pennsylvania State University, University Park, Pennsylvania, USA.
| | - Marta Miola
- Institute of Materials Physics and Engineering, Applied Science and Technology Department, Politecnico di Torino, Torino, Italy.
| | - Francesco Baino
- Institute of Materials Physics and Engineering, Applied Science and Technology Department, Politecnico di Torino, Torino, Italy.
| | - John C Mauro
- Department of Materials Science and Engineering, The Pennsylvania State University, University Park, Pennsylvania, USA.
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Majumdar S, Tiwari A, Mallick D, Patel DK, Trigun SK, Krishnamurthy S. Oral Release Kinetics, Biodistribution, and Excretion of Dopants from Barium-Containing Bioactive Glass in Rats. ACS OMEGA 2024; 9:7188-7205. [PMID: 38371771 PMCID: PMC10870265 DOI: 10.1021/acsomega.3c09250] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/20/2023] [Revised: 01/13/2024] [Accepted: 01/18/2024] [Indexed: 02/20/2024]
Abstract
Background: Inorganic biomaterials are biologically active and are used as implants and drug delivery system. They have therapeutically active elements present in their framework that are released in the physiological milieu. Release of these dopants above the supraphysiological limit may produce adverse effects and physicochemical interactions with the loaded drugs. Therefore, this necessitates evaluating the in vivo release kinetics, biodistribution, and excretion profiles of dopants from barium-doped bioglass (BaBG) that has potential anti-inflammatory, antiulcer, and regenerative properties. Methods: In vitro leaching of Ca, Si, and Ba from BaBG was analyzed in simulated body fluid. Release kinetics post single-dose oral administration (1, 5, and 10 mg/kg) was performed in rats. Blood was collected at different time points, and pharmacokinetic parameters of released elements were calculated. The routes of excretion and biodistribution in major organs were evaluated using ICP-MS. Results: Elements were released after the oral administration of BaBG into the plasma. They showed dose-dependent release kinetics and mean residence time. Cmax was observed at 24 h for all elements, followed by a downhill fall. There was also a dose-dependent increase in the volume of distribution, and the clearance of dopants was mostly through feces. Ba and Si were biodistributed significantly in the liver, spleen, and kidneys. However, by the end of day 7, there was a leveling-off effect observed for all elements. Conclusion: All of the dopants exhibited a dose-dependent increase in release kinetics and biodistribution in vital organs. This study will help in dose optimization and understanding of various physicochemical and pharmacokinetic interactions when BaBG is used for future pharmacological studies.
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Affiliation(s)
- Shreyasi Majumdar
- Neurotherapeutics
Laboratory, Department of Pharmaceutical Engineering and Technology, Indian Institute of Technology (Banaras Hindu University), Varanasi 221005, India
| | - Anshul Tiwari
- Analytical
Sciences and Accredited Testing Services, CSIR-Indian Institute of Toxicology Research, Lucknow 226001, India
| | - Debasmit Mallick
- Department
of Zoology, Institute of Science, Banaras
Hindu University, Varanasi 221005, India
| | - Devendra K. Patel
- Analytical
Sciences and Accredited Testing Services, CSIR-Indian Institute of Toxicology Research, Lucknow 226001, India
| | - Surendra Kumar Trigun
- Department
of Zoology, Institute of Science, Banaras
Hindu University, Varanasi 221005, India
| | - Sairam Krishnamurthy
- Neurotherapeutics
Laboratory, Department of Pharmaceutical Engineering and Technology, Indian Institute of Technology (Banaras Hindu University), Varanasi 221005, India
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Harrop ACF, Tupally KR, Pandey P, Parekh HS. Opportunities for Bioactive Glass in Gastrointestinal Conditions: A Review of Production Methodologies, Morphology, Composition, and Performance. Mol Pharm 2023; 20:5954-5980. [PMID: 37962352 DOI: 10.1021/acs.molpharmaceut.3c00188] [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: 11/15/2023]
Abstract
Bioactive glasses (BGs) are widely used in orthopedic and dental applications for their ability to stimulate endogenous bone formation and regeneration. BG applications more recently broadened to include soft tissue conditions, based on their ability to stimulate angiogenesis, soft tissue regeneration, and wound healing. Sol-gel synthesis has helped facilitate this expansion, allowing formulators to tailor the morphological characteristics of the BG matrix. The effectiveness of BGs in skin wound healing is viewed as a gateway for their use as both a therapeutic and drug delivery platform in other soft tissue applications, notably gastrointestinal (GI) applications, which form the focus of this review. Recent changes in international guidelines for GI conditions shifted clinical objectives from symptom management to mucosal wound healing. The additional scrutiny of proton pump inhibitor (PPI) safety, increasing burden of disease, and financial costs associated with gastroesophageal reflux disease (GERD), peptic ulcer disease (PUD), and inflammatory bowel disease (IBD) open new clinical possibilities for BG. This narrative literature review intersects materials engineering, formulation science, and clinical practice, setting it apart from prior literature. Broadly, current evidence for BG applications in GI conditions is sparse and under-developed, which this review directly addresses. It explores and synthesizes evidence that supports the potential use of sol-gel-derived BG for the efficacious treatment of soft tissue applications, with specific reference to GI conditions. An overview with comparative analysis of current BG synthesis techniques and associated challenges is presented, and influences of composition, biologically active ions, and morphological characteristics in soft tissue applications are explored. To contextualize this, sol-gel-derived BGs are proposed as a dual, tailorable therapeutic and drug delivery platform for upper and lower GI conditions. Future directions for this largely untapped area of translational research are also proposed, based on extant literature.
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Affiliation(s)
- Angus C F Harrop
- The University of Queensland, School of Pharmacy, The Pharmacy Australia Centre of Excellence, 20 Cornwall St, Woolloongabba, Queensland 4102, Australia
| | - Karnaker R Tupally
- The University of Queensland, School of Pharmacy, The Pharmacy Australia Centre of Excellence, 20 Cornwall St, Woolloongabba, Queensland 4102, Australia
| | - Preeti Pandey
- The University of Queensland, School of Pharmacy, The Pharmacy Australia Centre of Excellence, 20 Cornwall St, Woolloongabba, Queensland 4102, Australia
| | - Harendra S Parekh
- The University of Queensland, School of Pharmacy, The Pharmacy Australia Centre of Excellence, 20 Cornwall St, Woolloongabba, Queensland 4102, Australia
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Barreto MEV, Medeiros RP, Shearer A, Fook MVL, Montazerian M, Mauro JC. Gelatin and Bioactive Glass Composites for Tissue Engineering: A Review. J Funct Biomater 2022; 14:23. [PMID: 36662070 PMCID: PMC9861949 DOI: 10.3390/jfb14010023] [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: 12/06/2022] [Revised: 12/28/2022] [Accepted: 12/28/2022] [Indexed: 01/03/2023] Open
Abstract
Nano-/micron-sized bioactive glass (BG) particles are attractive candidates for both soft and hard tissue engineering. They can chemically bond to the host tissues, enhance new tissue formation, activate cell proliferation, stimulate the genetic expression of proteins, and trigger unique anti-bacterial, anti-inflammatory, and anti-cancer functionalities. Recently, composites based on biopolymers and BG particles have been developed with various state-of-the-art techniques for tissue engineering. Gelatin, a semi-synthetic biopolymer, has attracted the attention of researchers because it is derived from the most abundant protein in the body, viz., collagen. It is a polymer that can be dissolved in water and processed to acquire different configurations, such as hydrogels, fibers, films, and scaffolds. Searching "bioactive glass gelatin" in the tile on Scopus renders 80 highly relevant articles published in the last ~10 years, which signifies the importance of such composites. First, this review addresses the basic concepts of soft and hard tissue engineering, including the healing mechanisms and limitations ahead. Then, current knowledge on gelatin/BG composites including composition, processing and properties is summarized and discussed both for soft and hard tissue applications. This review explores physical, chemical and mechanical features and ion-release effects of such composites concerning osteogenic and angiogenic responses in vivo and in vitro. Additionally, recent developments of BG/gelatin composites using 3D/4D printing for tissue engineering are presented. Finally, the perspectives and current challenges in developing desirable composites for the regeneration of different tissues are outlined.
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Affiliation(s)
- Maria E. V. Barreto
- Northeastern Laboratory for Evaluation and Development of Biomaterials (CERTBIO), Department of Materials Engineering, Federal University of Campina Grande, Campina Grande 58429-900, PB, Brazil
| | - Rebeca P. Medeiros
- Northeastern Laboratory for Evaluation and Development of Biomaterials (CERTBIO), Department of Materials Engineering, Federal University of Campina Grande, Campina Grande 58429-900, PB, Brazil
| | - Adam Shearer
- Department of Materials Science and Engineering, The Pennsylvania State University, State College, PA 16802, USA
| | - Marcus V. L. Fook
- Northeastern Laboratory for Evaluation and Development of Biomaterials (CERTBIO), Department of Materials Engineering, Federal University of Campina Grande, Campina Grande 58429-900, PB, Brazil
| | - Maziar Montazerian
- Northeastern Laboratory for Evaluation and Development of Biomaterials (CERTBIO), Department of Materials Engineering, Federal University of Campina Grande, Campina Grande 58429-900, PB, Brazil
| | - John C. Mauro
- Department of Materials Science and Engineering, The Pennsylvania State University, State College, PA 16802, USA
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Kumar A, Selim A, Gowri V, Ahmad A, Vyawahare A, Nadeem A, Siddiqui N, Raza SS, Jayamurugan G, Khan R. Cellulose-Conjugated Copper-Oxide Nanoparticles for the Treatment of Ethanol-Induced Gastric Ulcers in Wistar Rats. ACS Biomater Sci Eng 2022; 8:2636-2643. [PMID: 35513890 DOI: 10.1021/acsbiomaterials.2c00090] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Gastric ulcer (GU) is the most common and chronic inflammatory condition mediated by multiple immune cells like neutrophils, macrophages, and lymphocytes with multiple pro-inflammatory cytokine interleukins such as IL-8, IL-10, IL-β, and interferon-γ (IFN-γ). Copper (Cu) is one of the essential micronutrients mainly found in the liver and brain. It plays a major role in metabolism, enzyme conversion, free radical scavenging, trafficking agents, and many others. Due to its various roles in the biological system, it can also be used as a therapeutic agent in many diseases like colon cancer, bone fracture healing, angiogenesis, as an antibacterial, wound-healing and radiotherapeutic agents. In this study, we used thiol-functionalized cellulose-conjugated copper-oxide nanoparticles (CuI/IIO NPs) synthesized under environmentally friendly conditions. We have evaluated the effects of cellulose-conjugated CuI/IIO NPs against ethanol-induced gastric ulcer in Wistar rats. The cellulose-conjugated CuI/IIO NPs were evaluated against different physical, histochemical, and inflammatory parameters. The NPs promoted mucosal healing by ameliorating ulcerative damage, restoring the histoarchitecture of gastric mucosa, and inhibiting pro-inflammatory cytokines such as tumor necrosis factor-α (TNF-α), interleukin-1 beta (IL-1β), and other inflammatory biomarkers such as myeloperoxidase (MPO) activity and nitric oxide (NO) levels. The current study's findings suggest that cellulose-conjugated CuI/IIO NPs exerted antiulcer effects on the preclinical rat model and have promising potential as a novel therapeutic agent for the treatment of gastric ulcers.
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Affiliation(s)
- Ajay Kumar
- Chemical Biology Unit, Institute of Nano Science and Technology (INST), Knowledge City, Sector 81, Mohali, Punjab 140306, India
| | - Abdul Selim
- Energy and Environment Unit, Institute of Nano Science and Technology (INST), Knowledge City, Sector 81, Mohali, Punjab 140306, India
| | - Vijayendran Gowri
- Energy and Environment Unit, Institute of Nano Science and Technology (INST), Knowledge City, Sector 81, Mohali, Punjab 140306, India
| | - Anas Ahmad
- Julia McFarlane Diabetes Research Centre (JMDRC) and Department of Microbiology, Immunology and Infectious Diseases, Snyder Institute for Chronic Diseases and Hotchkiss Brain Institute, Cumming School of Medicine, University of Calgary, Calgary, Alberta T2N 4N1, Canada
| | - Akshay Vyawahare
- Chemical Biology Unit, Institute of Nano Science and Technology (INST), Knowledge City, Sector 81, Mohali, Punjab 140306, India
| | - Ahmed Nadeem
- Department of Pharmacology and Toxicology, College of Pharmacy, King Saud University, P.O. Box 2455, Riyadh 11451, Saudi Arabia
| | - Nahid Siddiqui
- Amity Institute of Biotechnology, Amity University, Sector-125, Noida 201303, Uttar Pradesh, India
| | - Syed Shadab Raza
- Laboratory for Stem Cell & Restorative Neurology, Department of Biotechnology, Era's Lucknow Medical College and Hospital, Sarfarazganj, Lucknow 226003, Uttar Pradesh, India
| | - Govindasamy Jayamurugan
- Energy and Environment Unit, Institute of Nano Science and Technology (INST), Knowledge City, Sector 81, Mohali, Punjab 140306, India
| | - Rehan Khan
- Chemical Biology Unit, Institute of Nano Science and Technology (INST), Knowledge City, Sector 81, Mohali, Punjab 140306, India
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Pantulap U, Arango-Ospina M, Boccaccini AR. Bioactive glasses incorporating less-common ions to improve biological and physical properties. JOURNAL OF MATERIALS SCIENCE. MATERIALS IN MEDICINE 2021; 33:3. [PMID: 34940923 PMCID: PMC8702415 DOI: 10.1007/s10856-021-06626-3] [Citation(s) in RCA: 34] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/19/2021] [Accepted: 11/07/2021] [Indexed: 05/29/2023]
Abstract
Bioactive glasses (BGs) have been a focus of research for over five decades for several biomedical applications. Although their use in bone substitution and bone tissue regeneration has gained important attention, recent developments have also seen the expansion of BG applications to the field of soft tissue engineering. Hard and soft tissue repair therapies can benefit from the biological activity of metallic ions released from BGs. These metallic ions are incorporated in the BG network not only for their biological therapeutic effects but also in many cases for influencing the structure and processability of the glass and to impart extra functional properties. The "classical" elements in silicate BG compositions are silicon (Si), phosphorous (P), calcium (Ca), sodium (Na), and potassium (K). In addition, other well-recognized biologically active ions have been incorporated in BGs to provide osteogenic, angiogenic, anti-inflammatory, and antibacterial effects such as zinc (Zn), magnesium (Mg), silver (Ag), strontium (Sr), gallium (Ga), fluorine (F), iron (Fe), cobalt (Co), boron (B), lithium (Li), titanium (Ti), and copper (Cu). More recently, rare earth and other elements considered less common or, some of them, even "exotic" for biomedical applications, have found room as doping elements in BGs to enhance their biological and physical properties. For example, barium (Ba), bismuth (Bi), chlorine (Cl), chromium (Cr), dysprosium (Dy), europium (Eu), gadolinium (Gd), ytterbium (Yb), thulium (Tm), germanium (Ge), gold (Au), holmium (Ho), iodine (I), lanthanum (La), manganese (Mn), molybdenum (Mo), nickel (Ni), niobium (Nb), nitrogen (N), palladium (Pd), rubidium (Rb), samarium (Sm), selenium (Se), tantalum (Ta), tellurium (Te), terbium (Tb), erbium (Er), tin (Sn), tungsten (W), vanadium (V), yttrium (Y) as well as zirconium (Zr) have been included in BGs. These ions have been found to be particularly interesting for enhancing the biological performance of doped BGs in novel compositions for tissue repair (both hard and soft tissue) and for providing, in some cases, extra functionalities to the BG, for example fluorescence, luminescence, radiation shielding, anti-inflammatory, and antibacterial properties. This review summarizes the influence of incorporating such less-common elements in BGs with focus on tissue engineering applications, usually exploiting the bioactivity of the BG in combination with other functional properties imparted by the presence of the added elements.
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Affiliation(s)
- Usanee Pantulap
- Department of Materials Science and Engineering, Institute of Biomaterials, University of Erlangen-Nuremberg, 91058, Erlangen, Germany
| | - Marcela Arango-Ospina
- Department of Materials Science and Engineering, Institute of Biomaterials, University of Erlangen-Nuremberg, 91058, Erlangen, Germany
| | - Aldo R Boccaccini
- Department of Materials Science and Engineering, Institute of Biomaterials, University of Erlangen-Nuremberg, 91058, Erlangen, Germany.
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7
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Majumdar S, Gupta S, Krishnamurthy S. Multifarious applications of bioactive glasses in soft tissue engineering. Biomater Sci 2021; 9:8111-8147. [PMID: 34766608 DOI: 10.1039/d1bm01104a] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Tissue engineering (TE), a new paradigm in regenerative medicine, repairs and restores the diseased or damaged tissues and eliminates drawbacks associated with autografts and allografts. In this context, many biomaterials have been developed for regenerating tissues and are considered revolutionary in TE due to their flexibility, biocompatibility, and biodegradability. One such well-documented biomaterial is bioactive glasses (BGs), known for their osteoconductive and osteogenic potential and their abundant orthopedic and dental clinical applications. However, in the last few decades, the soft tissue regenerative potential of BGs has demonstrated great promise. Therefore, this review comprehensively covers the biological application of BGs in the repair and regeneration of tissues outside the skeleton system. BGs promote neovascularization, which is crucial to encourage host tissue integration with the implanted construct, making them suitable biomaterial scaffolds for TE. Moreover, they heal acute and chronic wounds and also have been reported to restore the injured superficial intestinal mucosa, aiding in gastroduodenal regeneration. In addition, BGs promote regeneration of the tissues with minimal renewal capacity like the heart and lungs. Besides, the peripheral nerve and musculoskeletal reparative properties of BGs are also reported. These results show promising soft tissue regenerative potential of BGs under preclinical settings without posing significant adverse effects. Albeit, there is limited bench-to-bedside clinical translation of elucidative research on BGs as they require rigorous pharmacological evaluations using standardized animal models for assessing biomolecular downstream pathways.
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Affiliation(s)
- Shreyasi Majumdar
- Neurotherapeutics Laboratory, Department of Pharmaceutical Engineering and Technology, Indian Institute of Technology (Banaras Hindu University), Varanasi-221005, India.
| | - Smriti Gupta
- Neurotherapeutics Laboratory, Department of Pharmaceutical Engineering and Technology, Indian Institute of Technology (Banaras Hindu University), Varanasi-221005, India.
| | - Sairam Krishnamurthy
- Neurotherapeutics Laboratory, Department of Pharmaceutical Engineering and Technology, Indian Institute of Technology (Banaras Hindu University), Varanasi-221005, India.
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Ferreira FV, Otoni CG, Lopes JH, de Souza LP, Mei LHI, Lona LMF, Lozano K, Lobo AO, Mattoso LHC. Ultrathin polymer fibers hybridized with bioactive ceramics: A review on fundamental pathways of electrospinning towards bone regeneration. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2021; 123:111853. [PMID: 33812570 DOI: 10.1016/j.msec.2020.111853] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/26/2020] [Revised: 12/21/2020] [Accepted: 12/26/2020] [Indexed: 10/22/2022]
Affiliation(s)
- Filipe V Ferreira
- School of Chemical Engineering, University of Campinas (UNICAMP), Campinas, SP, Brazil
| | - Caio G Otoni
- Department of Materials Engineering (DEMa), Federal University of São Carlos (UFSCar), São Carlos, SP, Brazil
| | - João H Lopes
- Department of Chemistry, Division of Fundamental Sciences (IEF), Technological Institute of Aeronautics (ITA), São Jose dos Campos, SP, Brazil
| | - Lucas P de Souza
- College of Engineering and Physical Sciences, Aston Institute of Materials Research, Aston University, Birmingham, UK
| | - Lucia H I Mei
- School of Chemical Engineering, University of Campinas (UNICAMP), Campinas, SP, Brazil
| | - Liliane M F Lona
- School of Chemical Engineering, University of Campinas (UNICAMP), Campinas, SP, Brazil
| | - Karen Lozano
- Department of Mechanical Engineering, The University of Texas Rio Grande Valley, Edinburg, TX, USA
| | - Anderson O Lobo
- Interdisciplinary Laboratory for Advanced Materials, BioMatLab, Materials Science and Engineering Graduate Program, Federal University of Piaui, Teresina, PI, Brazil.
| | - Luiz H C Mattoso
- Nanotechnology National Laboratory for Agriculture (LNNA), Embrapa Instrumentation, São Carlos, SP, Brazil.
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Kargozar S, Singh RK, Kim HW, Baino F. "Hard" ceramics for "Soft" tissue engineering: Paradox or opportunity? Acta Biomater 2020; 115:1-28. [PMID: 32818612 DOI: 10.1016/j.actbio.2020.08.014] [Citation(s) in RCA: 38] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2020] [Revised: 07/25/2020] [Accepted: 08/11/2020] [Indexed: 12/11/2022]
Abstract
Tissue engineering provides great possibilities to manage tissue damages and injuries in modern medicine. The involvement of hard biocompatible materials in tissue engineering-based therapies for the healing of soft tissue defects has impressively increased over the last few years: in this regard, different types of bioceramics were developed, examined and applied either alone or in combination with polymers to produce composites. Bioactive glasses, carbon nanostructures, and hydroxyapatite nanoparticles are among the most widely-proposed hard materials for treating a broad range of soft tissue damages, from acute and chronic skin wounds to complex injuries of nervous and cardiopulmonary systems. Although being originally developed for use in contact with bone, these substances were also shown to offer excellent key features for repair and regeneration of wounds and "delicate" structures of the body, including improved cell proliferation and differentiation, enhanced angiogenesis, and antibacterial/anti-inflammatory activities. Furthermore, when embedded in a soft matrix, these hard materials can improve the mechanical properties of the implant. They could be applied in various forms and formulations such as fine powders, granules, and micro- or nanofibers. There are some pre-clinical trials in which bioceramics are being utilized for skin wounds; however, some crucial questions should still be addressed before the extensive and safe use of bioceramics in soft tissue healing. For example, defining optimal formulations, dosages, and administration routes remain to be fixed and summarized as standard guidelines in the clinic. This review paper aims at providing a comprehensive picture of the use and potential of bioceramics in treatment, reconstruction, and preservation of soft tissues (skin, cardiovascular and pulmonary systems, peripheral nervous system, gastrointestinal tract, skeletal muscles, and ophthalmic tissues) and critically discusses their pros and cons (e.g., the risk of calcification and ectopic bone formation as well as the local and systemic toxicity) in this regard. STATEMENT OF SIGNIFICANCE: Soft tissues form a big part of the human body and play vital roles in maintaining both structure and function of various organs; however, optimal repair and regeneration of injured soft tissues (e.g., skin, peripheral nerve) still remain a grand challenge in biomedicine. Although polymers were extensively applied to restore the lost or injured soft tissues, the use of bioceramics has the potential to provides new opportunities which are still partially unexplored or at the very beginning. This reviews summarizes the state of the art of bioceramics in this field, highlighting the latest evolutions and the new horizons that can be opened by their use in the context of soft tissue engineering. Existing results and future challenges are discussed in order to provide an up-to-date contribution that is useful to both experienced scientists and early-stage researchers of the biomaterials community.
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Affiliation(s)
- Saeid Kargozar
- Tissue Engineering Research Group (TERG), Department of Anatomy and Cell Biology, School of Medicine, Mashhad University of Medical Sciences, Mashhad 917794-8564, Iran.
| | - Rajendra K Singh
- Institute of Tissue Regeneration Engineering (ITREN), Dankook University, Cheonan 330-714, Republic of Korea; Department of Nanobiomedical Science & BK21 PLUS NBM Global Research Center for Regenerative Medicine, Dankook University, Cheonan 330-714, Republic of Korea
| | - Hae-Won Kim
- Institute of Tissue Regeneration Engineering (ITREN), Dankook University, Cheonan 330-714, Republic of Korea; Department of Nanobiomedical Science & BK21 PLUS NBM Global Research Center for Regenerative Medicine, Dankook University, Cheonan 330-714, Republic of Korea; Department of Biomaterials Science, School of Dentistry, Dankook University, Cheonan 330-714, Republic of Korea; UCL Eastman-Korea Dental Medicine Innovation Centre, Dankook University, Cheonan 330-714, Republic of Korea.
| | - Francesco Baino
- Institute of Materials Physics and Engineering, Applied Science and Technology Department, Politecnico di Torino, Corso Duca degli Abruzzi 24, Torino 10129, Italy.
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Kargozar S, Hamzehlou S, Baino F. Can bioactive glasses be useful to accelerate the healing of epithelial tissues? MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2019; 97:1009-1020. [DOI: 10.1016/j.msec.2019.01.028] [Citation(s) in RCA: 53] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/19/2018] [Revised: 12/27/2018] [Accepted: 01/07/2019] [Indexed: 11/28/2022]
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