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Sardari S, Hheidari A, Ghodousi M, Rahi A, Pishbin E. Nanotechnology in tissue engineering: expanding possibilities with nanoparticles. NANOTECHNOLOGY 2024; 35:392002. [PMID: 38941981 DOI: 10.1088/1361-6528/ad5cfb] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/29/2023] [Accepted: 06/28/2024] [Indexed: 06/30/2024]
Abstract
Tissue engineering is a multidisciplinary field that merges engineering, material science, and medical biology in order to develop biological alternatives for repairing, replacing, maintaining, or boosting the functionality of tissues and organs. The ultimate goal of tissue engineering is to create biological alternatives for repairing, replacing, maintaining, or enhancing the functionality of tissues and organs. However, the current landscape of tissue engineering techniques presents several challenges, including a lack of suitable biomaterials, inadequate cell proliferation, limited methodologies for replicating desired physiological structures, and the unstable and insufficient production of growth factors, which are essential for facilitating cell communication and the appropriate cellular responses. Despite these challenges, there has been significant progress made in tissue engineering techniques in recent years. Nanoparticles hold a major role within the realm of nanotechnology due to their unique qualities that change with size. These particles, which provide potential solutions to the issues that are met in tissue engineering, have helped propel nanotechnology to its current state of prominence. Despite substantial breakthroughs in the utilization of nanoparticles over the past two decades, the full range of their potential in addressing the difficulties within tissue engineering remains largely untapped. This is due to the fact that these advancements have occurred in relatively isolated pockets. In the realm of tissue engineering, the purpose of this research is to conduct an in-depth investigation of the several ways in which various types of nanoparticles might be put to use. In addition to this, it sheds light on the challenges that need to be conquered in order to unlock the maximum potential of nanotechnology in this area.
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Affiliation(s)
- Sohrab Sardari
- School of Mechanical Engineering, Iran University of Science and Technology, Tehran 13114-16846, Iran
| | - Ali Hheidari
- Department of Mechanical Engineering, Islamic Azad University, Science and Research branch, Tehran, Iran
| | - Maryam Ghodousi
- Department of Mechanical Engineering, The Pennsylvania State University, University Park, PA, United States of America
| | - Amid Rahi
- Pathology and Stem Cell Research Center, Kerman University of Medical Sciences, Kerman, Iran
| | - Esmail Pishbin
- Bio-microfluidics Lab, Department of Electrical Engineering and Information Technology, Iranian Research Organization for Science and Technology, Tehran, Iran
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Toledano-Osorio M, Osorio R, Bueno J, Vallecillo C, Vallecillo-Rivas M, Sanz M. Next-generation antibacterial nanopolymers for treating oral chronic inflammatory diseases of bacterial origin. Int Endod J 2024; 57:787-803. [PMID: 38340038 DOI: 10.1111/iej.14040] [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: 10/23/2023] [Revised: 01/15/2024] [Accepted: 01/27/2024] [Indexed: 02/12/2024]
Abstract
BACKGROUND 'Periodontitis' refers to periodontal destruction of connective tissue attachment and bone, in response to microorganisms forming subgingival biofilms on the root surface, while 'apical periodontitis' refers to periapical inflammatory processes occurring in response to microorganisms within the root canal system. The treatment of both diseases is based on the elimination of the bacterial challenge, though its predictability depends on the ability of disrupting these biofilms, what may need adjunctive antibacterial strategies, such as the next-generation antibacterial strategies (NGAS). From all the newly developed NGAS, the use of polymeric nanotechnology may pose a potential effective approach. Although some of these strategies have only been tested in vitro and in preclinical in vivo models, their use holds a great potential, and therefore, it is relevant to understand their mechanism of action and evaluate their scientific evidence of efficacy. OBJECTIVES To explore NGAS based on polymeric nanotechnology used for the potential treatment of periodontitis and apical periodontitis. METHOD A systemic search of scientific publications of adjunctive antimicrobial strategies using nanopolymers to treat periodontal and periapical diseases was conducted using The National Library of Medicine (MEDLINE by PubMed), The Cochrane Oral Health Group Trials Register, EMBASE and Web of Science. RESULTS Different polymeric nanoparticles, nanofibres and nanostructured hydrogels combined with antimicrobial substances have been identified in the periodontal literature, being the most commonly used nanopolymers of polycaprolactone, poly(lactic-co-glycolic acid) and chitosan. As antimicrobials, the most frequently used have been antibiotics, though other antimicrobial substances, such as metallic ions, peptides and naturally derived products, have also been added to the nanopolymers. CONCLUSION Polymeric nanomaterials containing antimicrobial compounds may be considered as a potential NGAS. Its relative efficacy, however, is not well understood since most of the existing evidence is derived from in vitro or preclinical in vivo studies.
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Affiliation(s)
- Manuel Toledano-Osorio
- Postgraduate Program of Specialization in Periodontology, Faculty of Dentistry, University Complutense of Madrid, Madrid, Spain
| | - Raquel Osorio
- Faculty of Dentistry, University of Granada, Granada, Spain
| | - Jaime Bueno
- Postgraduate Program of Specialization in Periodontology, Faculty of Dentistry, University Complutense of Madrid, Madrid, Spain
| | | | | | - Mariano Sanz
- ETEP (Etiology and Therapy of Periodontal and Peri-Implant Diseases) Research Group, University Complutense of Madrid, Madrid, Spain
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Ran S, Xue L, Wei X, Huang J, Yan X, He TC, Tang Z, Zhang H, Gu M. Recent advances in injectable hydrogel therapies for periodontitis. J Mater Chem B 2024; 12:6005-6032. [PMID: 38869470 DOI: 10.1039/d3tb03070a] [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: 06/14/2024]
Abstract
Periodontitis is an immune-inflammatory disease caused by dental plaque, and deteriorates the periodontal ligament, causes alveolar bone loss, and may lead to tooth loss. To treat periodontitis, antibacterial and anti-inflammation approaches are required to reduce bone loss. Thus, appropriate drug administration methods are significant. Due to their "syringeability", biocompatibility, and convenience, injectable hydrogels and associated methods have been extensively studied and used for periodontitis therapy. Such hydrogels are made from natural and synthetic polymer materials using physical and/or chemical cross-linking approaches. Interestingly, some injectable hydrogels are stimuli-responsive hydrogels, which respond to the local microenvironment and form hydrogels that release drugs. Therefore, as injectable hydrogels are different and highly varied, we systematically reviewed the periodontal treatment field from three perspectives: raw material sources, cross-linking methods, and stimuli-responsive methods. We then discussed current challenges and opportunities for the translation of hydrogels to clinic, which may guide further injectable hydrogel designs for periodontitis.
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Affiliation(s)
- Shidian Ran
- Chongqing Key Laboratory of Oral Diseases, Chongqing Municipal Key Laboratory of Oral Biomedical Engineering of Higher Education, the Affiliated Stomatological Hospital of Chongqing Medical University, Chongqing, 401147, China.
| | - Linyu Xue
- Chongqing Key Laboratory of Oral Diseases, Chongqing Municipal Key Laboratory of Oral Biomedical Engineering of Higher Education, the Affiliated Stomatological Hospital of Chongqing Medical University, Chongqing, 401147, China.
| | - Xiaorui Wei
- Chongqing Key Laboratory of Oral Diseases, Chongqing Municipal Key Laboratory of Oral Biomedical Engineering of Higher Education, the Affiliated Stomatological Hospital of Chongqing Medical University, Chongqing, 401147, China.
| | - Jindie Huang
- Chongqing Key Laboratory of Oral Diseases, Chongqing Municipal Key Laboratory of Oral Biomedical Engineering of Higher Education, the Affiliated Stomatological Hospital of Chongqing Medical University, Chongqing, 401147, China.
| | - Xingrui Yan
- Chongqing Key Laboratory of Oral Diseases, Chongqing Municipal Key Laboratory of Oral Biomedical Engineering of Higher Education, the Affiliated Stomatological Hospital of Chongqing Medical University, Chongqing, 401147, China.
| | - Tong-Chuan He
- Molecular Oncology Laboratory, Department of Orthopaedic Surgery and Rehabilitation Medicine, The University of Chicago Medical Center, Chicago, IL 60637, USA
- Ministry of Education Key Laboratory of Diagnostic Medicine, and the Affiliated Hospitals of Chongqing Medical University, Chongqing 400016, China
| | - Zhurong Tang
- Institute of Life Sciences, Chongqing Medical University, Chongqing 400016, China
| | - Hongmei Zhang
- Chongqing Key Laboratory of Oral Diseases, Chongqing Municipal Key Laboratory of Oral Biomedical Engineering of Higher Education, the Affiliated Stomatological Hospital of Chongqing Medical University, Chongqing, 401147, China.
| | - Mengqin Gu
- Chongqing Key Laboratory of Oral Diseases, Chongqing Municipal Key Laboratory of Oral Biomedical Engineering of Higher Education, the Affiliated Stomatological Hospital of Chongqing Medical University, Chongqing, 401147, China.
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Jang Y, Jang J, Kim BY, Song YS, Lee DY. Effect of Gelatin Content on Degradation Behavior of PLLA/Gelatin Hybrid Membranes. Tissue Eng Regen Med 2024; 21:557-569. [PMID: 38483778 PMCID: PMC11087404 DOI: 10.1007/s13770-024-00626-4] [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: 11/14/2023] [Revised: 12/22/2023] [Accepted: 01/06/2024] [Indexed: 05/12/2024] Open
Abstract
BACKGROUND Poly(L-lactic acid) (PLLA) is a biodegradable polymer (BP) that replaces conventional petroleum-based polymers. The hydrophobicity of biodegradable PLLA periodontal barrier membrane in wet state can be solved by alloying it with natural polymers. Alloying PLLA with gelatin imparts wet mechanical properties, hydrophilicity, shrinkage, degradability and biocompatibility to the polymeric matrix. METHODS To investigate membrane performance in the wet state, PLLA/gelatin membranes were synthesized by varying the gelatin concentration from 0 to 80 wt%. The membrane was prepared by electrospinning. RESULTS At the macroscopic scale, PLLA containing gelatin can tune the wet mechanical properties, hydrophilicity, water uptake capacity (WUC), degradability and biocompatibility of PLLA/gelatin membranes. As the gelatin content increased from 0 to 80 wt%, the dry tensile strength of the membranes increased from 6.4 to 38.9 MPa and the dry strain at break decreased from 1.7 to 0.19. PLLA/gelatin membranes with a gelatin content exceeding 40% showed excellent biocompatibility and hydrophilicity. However, dimensional change (37.5% after 7 days of soaking), poor tensile stress in wet state (3.48 MPa) and rapid degradation rate (73.7%) were observed. The highest WUC, hydrophilicity, porosity, suitable mechanical properties and biocompatibility were observed for the PLLA/40% gelatin membrane. CONCLUSION PLLA/gelatin membranes with gelatin content less than 40% are suitable as barrier membranes for absorbable periodontal tissue regeneration due to their tunable wet mechanical properties, degradability, biocompatibility and lack of dimensional changes.
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Affiliation(s)
- Yunyoung Jang
- Department of Biomedical Engineering, Daelim University, 29 Imgok-ro, Dongan-gu, Anyang, 13916, South Korea
- Department of R&D Center, Renewmedical Co., Ltd., 28-7 Jeongju-ro, Bucheon, 14532, South Korea
| | - Juwoong Jang
- Department of R&D Center, Renewmedical Co., Ltd., 28-7 Jeongju-ro, Bucheon, 14532, South Korea
| | - Bae-Yeon Kim
- Department of Materials Science and Engineering, Incheon National University, 119 Academy-ro, Yeonsu-gu, Incheon, 22012, South Korea
| | - Yo-Seung Song
- Department of Materials Science and Engineering, Korea Aviation University, 76 Hanggongdaehak-ro, Dukyang-gu, Goyang, 10540, South Korea.
| | - Deuk Yong Lee
- Department of Biomedical Engineering, Daelim University, 29 Imgok-ro, Dongan-gu, Anyang, 13916, South Korea.
- Department of R&D Center, Hass Co., Ltd, 60 Haan-ro, Gwangmyeong, 14322, South Korea.
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Broda M, Yelle DJ, Serwańska-Leja K. Biodegradable Polymers in Veterinary Medicine-A Review. Molecules 2024; 29:883. [PMID: 38398635 PMCID: PMC10892962 DOI: 10.3390/molecules29040883] [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: 12/14/2023] [Revised: 02/03/2024] [Accepted: 02/13/2024] [Indexed: 02/25/2024] Open
Abstract
During the past two decades, tremendous progress has been made in the development of biodegradable polymeric materials for various industrial applications, including human and veterinary medicine. They are promising alternatives to commonly used non-degradable polymers to combat the global plastic waste crisis. Among biodegradable polymers used, or potentially applicable to, veterinary medicine are natural polysaccharides, such as chitin, chitosan, and cellulose as well as various polyesters, including poly(ε-caprolactone), polylactic acid, poly(lactic-co-glycolic acid), and polyhydroxyalkanoates produced by bacteria. They can be used as implants, drug carriers, or biomaterials in tissue engineering and wound management. Their use in veterinary practice depends on their biocompatibility, inertness to living tissue, mechanical resistance, and sorption characteristics. They must be designed specifically to fit their purpose, whether it be: (1) facilitating new tissue growth and allowing for controlled interactions with living cells or cell-growth factors, (2) having mechanical properties that address functionality when applied as implants, or (3) having controlled degradability to deliver drugs to their targeted location when applied as drug-delivery vehicles. This paper aims to present recent developments in the research on biodegradable polymers in veterinary medicine and highlight the challenges and future perspectives in this area.
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Affiliation(s)
- Magdalena Broda
- Department of Wood Science and Thermal Techniques, Faculty of Forestry and Wood Technology, Poznan University of Life Sciences, Wojska Polskiego 28, 60-637 Poznan, Poland
| | - Daniel J. Yelle
- Forest Biopolymers Science and Engineering, Forest Products Laboratory, USDA Forest Service, One Gifford Pinchot Drive, Madison, WI 53726, USA;
| | - Katarzyna Serwańska-Leja
- Department of Animal Anatomy, Faculty of Veterinary Medicine and Animal Sciences, Poznan University of Life Sciences, Wojska Polskiego 71c, 60-625 Poznan, Poland;
- Department of Sports Dietetics, Poznan University of Physical Education, 61-871 Poznan, Poland
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Hassan M, Abdelnabi HA, Mohsin S. Harnessing the Potential of PLGA Nanoparticles for Enhanced Bone Regeneration. Pharmaceutics 2024; 16:273. [PMID: 38399327 PMCID: PMC10892810 DOI: 10.3390/pharmaceutics16020273] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2023] [Revised: 01/25/2024] [Accepted: 02/05/2024] [Indexed: 02/25/2024] Open
Abstract
Recently, nanotechnologies have become increasingly prominent in the field of bone tissue engineering (BTE), offering substantial potential to advance the field forward. These advancements manifest in two primary ways: the localized application of nanoengineered materials to enhance bone regeneration and their use as nanovehicles for delivering bioactive compounds. Despite significant progress in the development of bone substitutes over the past few decades, it is worth noting that the quest to identify the optimal biomaterial for bone regeneration remains a subject of intense debate. Ever since its initial discovery, poly(lactic-co-glycolic acid) (PLGA) has found widespread use in BTE due to its favorable biocompatibility and customizable biodegradability. This review provides an overview of contemporary advancements in the development of bone regeneration materials using PLGA polymers. The review covers some of the properties of PLGA, with a special focus on modifications of these properties towards bone regeneration. Furthermore, we delve into the techniques for synthesizing PLGA nanoparticles (NPs), the diverse forms in which these NPs can be fabricated, and the bioactive molecules that exhibit therapeutic potential for promoting bone regeneration. Additionally, we addressed some of the current concerns regarding the safety of PLGA NPs and PLGA-based products available on the market. Finally, we briefly discussed some of the current challenges and proposed some strategies to functionally enhance the fabrication of PLGA NPs towards BTE. We envisage that the utilization of PLGA NP holds significant potential as a potent tool in advancing therapies for intractable bone diseases.
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Affiliation(s)
| | | | - Sahar Mohsin
- Department of Anatomy, College of Medicine and Health Sciences, United Arab Emirates University, Al Ain P.O. Box 15551, United Arab Emirates
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Wang D, Zhou X, Cao H, Zhang H, Wang D, Guo J, Wang J. Barrier membranes for periodontal guided bone regeneration: a potential therapeutic strategy. FRONTIERS IN MATERIALS 2023; 10. [DOI: 10.3389/fmats.2023.1220420] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/26/2024]
Abstract
Periodontal disease is one of the most common oral diseases with the highest incidence world-wide. In particular, the treatment of periodontal bone defects caused by periodontitis has attracted extensive attention. Guided bone regeneration (GBR) has been recognized as advanced treatment techniques for periodontal bone defects. GBR technique relies on the application of barrier membranes to protect the bone defects. The commonly used GBR membranes are resorbable and non-resorbable. Resorbable GBR membranes are divided into natural polymer resorbable membranes and synthetic polymer resorbable membranes. Each has its advantages and disadvantages. The current research focuses on exploring and improving its preparation and application. This review summarizes the recent literature on the application of GBR membranes to promote the regeneration of periodontal bone defects, elaborates on GBR development strategies, specific applications, and the progress of inducing periodontal bone regeneration to provide a theoretical basis and ideas for the future application of GBR membranes to promote the repair of periodontal bone defects.
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Tsai LH, Young TH, Yen CH, Yao WC, Chang CH. Intratumoral thermo-chemotherapeutic alginate hydrogel containing doxorubicin loaded PLGA nanoparticle and heating agent. Int J Biol Macromol 2023; 251:126221. [PMID: 37572819 DOI: 10.1016/j.ijbiomac.2023.126221] [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: 05/09/2023] [Revised: 07/03/2023] [Accepted: 08/05/2023] [Indexed: 08/14/2023]
Abstract
Chemotherapy has been widely used to treat cancer; however, the non-specific systemic toxicity of chemotherapeutic agents has always been an issue. Local injection treatment is a strategy used to reduce the undesired adverse effects of chemotherapeutic drugs. In addition, chemotherapeutic agents combined with thermotherapy are effective in further enhancing therapeutic potency. In the present study, we prepared an injectable hydrogel, namely, doxorubicin (DOX)-loaded poly (lactic-co-glycolic acid) (PLGA) nanoparticle (DPN) and magnetite nanoparticle (MNP) embedded in alginate hydrogel (DPN/MNP-HG), where DPN and MNP were the chemotherapeutic and heating agents, respectively, for intratumoral thermo-chemotherapy. Injectable DPN/MNP-HG, which possesses solid-like elastic properties, was conveniently prepared via ionic cross-linking at room-temperature. When exposed to an alternating magnetic field (AMF), DPN/MNP-HG exhibited controllable heat generation with a reversible temperature-rise profile. Regarding the kinetics of DOX release, both with and without AMF, DPN/MNP-HG exhibited a slow initial burst and sustained release profile. In cytotoxicity studies and subcutaneous mouse cancer models, successful thermo-chemotherapy with DPN/MNP-HG resulted in significantly lower cell viability and increased tumor-growth suppression; mice also exhibited good tolerance to injected DPN/MNP-HG both with(+) and without AMF application. In conclusion, the proposed thermo-chemotherapeutic DPN/MNP-HG for local intratumoral injection is a promising formulation for cancer treatment.
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Affiliation(s)
- Li-Hui Tsai
- Department of Biomedical Engineering, National Taiwan University, Taipei 100, Taiwan
| | - Tai-Horng Young
- Department of Biomedical Engineering, National Taiwan University, Taipei 100, Taiwan; Department of Biomedical Engineering, National Taiwan University Hospital, Taipei 100, Taiwan
| | - Chia-Hsiang Yen
- Department of Biomedical Engineering, National Taiwan University, Taipei 100, Taiwan
| | - Wei-Cheng Yao
- Department of Anesthesiology and Pain Medicine, Min-Sheng General Hospital, Taoyuan 330, Taiwan
| | - Chih-Hao Chang
- Department of Orthopedics, National Taiwan University Hospital Jin-Shan Branch, New Taipei City 20844, Taiwan; Department of Orthopedics, National Taiwan University Hospital and National Taiwan University College of Medicine, Taipei 100, Taiwan.
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Alissa M, Hjazi A, Abusalim GS, Aloraini GS, Alghamdi SA, Rizg WY, Hosny KM, Bukhary DM, Alkharobi H. Fabrication and optimization of phospholipids-based phase separation in-situ gel loaded with BMP-2 nanosized emulsion for bone defect. Front Pharmacol 2023; 14:1286133. [PMID: 37915413 PMCID: PMC10616790 DOI: 10.3389/fphar.2023.1286133] [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: 08/31/2023] [Accepted: 10/05/2023] [Indexed: 11/03/2023] Open
Abstract
Introduction: The health, development, and/or survival of a newborn can be impacted by congenital abnormalities such as cleft lip (CLP) and palate, one of alveolar bone defects that emerge thru pregnancy. Therefore, the primary purpose of this study is to use phospholipids-based phase separation in-situ gel (PPSG) in combination with bone morphogenetic protein-2 nanoemulsion (BMP-2-NE) to aid repairing alveolar bone defects. Methods: To investigate how formulation parameters, such as the concentrations of BMP-2 aqueous solution, LauroglycolTM FCC, and Labrafac PG oil, affect NE qualities including droplet size and stability index, an l-optimal co-ordinate exchange statistical design was opted. Injectable PPSG with the best NE formulation was tested for viscosity characteristics, gel strength, water absorption, and in-vitro BMP-2 release. In rabbits, the percentage of BMP-2 that was still in the maxilla after 14 days was assessed. Results: Collected results revealed that the droplet size and stability index of optimal NE were discovered to be 68 2.0 nm and 96 1.3%, respectively. When mixed with water, optimal BMP-2 NE loaded PPSG became viscous and reached a gel strength of 41 s, which is adequate for injectable in-situ gels. In comparison to BMP-2 solution loaded in-situ gel, the in-vivo studies indicated that the newly created BMP-2 NE loaded PPSG produced a sustained and controlled release of BMP-2 that continued for 336 h (14 days). Further, 8% of the BMP-2 was still entrapped and not completely dissolved after 14 days, thus, created formulation allowed a higher percentage of BMP-2 to remain in rabbits' maxilla for longer time. Conclusion: PPSG that has been loaded with BMP-2 NE may therefore be a promising, fruitful, and less painful paradigm for the noninvasive therapy of CLP with significant effect and extended release.
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Affiliation(s)
- Mohammed Alissa
- Department of Medical Laboratory Sciences, College of Applied Medical Sciences, Prince Sattam Bin Abdulaziz University, Al-Kharj, Saudi Arabia
| | - Ahmed Hjazi
- Department of Medical Laboratory Sciences, College of Applied Medical Sciences, Prince Sattam Bin Abdulaziz University, Al-Kharj, Saudi Arabia
| | - Ghadah S. Abusalim
- Department of Medical Laboratory Sciences, College of Applied Medical Sciences, Prince Sattam Bin Abdulaziz University, Al-Kharj, Saudi Arabia
| | - Ghfren S. Aloraini
- Department of Medical Laboratory Sciences, College of Applied Medical Sciences, Prince Sattam Bin Abdulaziz University, Al-Kharj, Saudi Arabia
| | - Suad A. Alghamdi
- Department of Medical Laboratory Sciences, College of Applied Medical Sciences, Prince Sattam Bin Abdulaziz University, Al-Kharj, Saudi Arabia
| | - Waleed Y. Rizg
- Department of Pharmaceutics, Faculty of Pharmacy, King Abdulaziz University, Jeddah, Saudi Arabia
- Center of Innovation in Personalized Medicine (CIPM), 3D Bioprinting Unit, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Khaled M. Hosny
- Department of Pharmaceutics, Faculty of Pharmacy, King Abdulaziz University, Jeddah, Saudi Arabia
- Department of Pharmaceutics and Industrial Pharmacy, Faculty of Pharmacy, Beni-Suef University, Beni-Suef, Egypt
| | - Deena M. Bukhary
- Department of Pharmaceutics, College of Pharmacy, Umm Al-Qura University, Makkah, Saudi Arabia
| | - Hanaa Alkharobi
- Department of Oral Biology, Faculty of Dentistry, King Abdulaziz University, Jeddah, Saudi Arabia
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Altun E, Bayram C, Gultekinoglu M, Matharu R, Delbusso A, Homer-Vanniasinkam S, Edirisinghe M. Pressure-Spun Fibrous Surgical Sutures for Localized Antibacterial Delivery: Development, Characterization, and In Vitro Evaluation. ACS APPLIED MATERIALS & INTERFACES 2023; 15:45561-45573. [PMID: 37729472 PMCID: PMC10561146 DOI: 10.1021/acsami.3c07956] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/03/2023] [Accepted: 09/06/2023] [Indexed: 09/22/2023]
Abstract
Surgical sutures designed to prevent infection are critical in addressing antibiotic-resistant pathogens that cause surgical site infections. Instead of antibiotics, alternative materials such as biocides have been assessed for coating commercially used sutures due to emerging antibiotic resistance concerns worldwide. This study has a new approach to the development of fibrous surgical sutures with the ability to deliver localized antibacterial agents. A new manufacturing process based on pressure spinning was used for the first time in the production of fibrous surgical sutures by physically blending antibacterial triclosan (Tri) agent with poly(lactic-co-glycolic acid) (PLGA) and poly(ethylene oxide) (PEO) polymers. Fibrous surgical sutures with virgin PLGA, virgin PEO, different ratios of PLGA-PEO, and different ratios of Tri-loaded PLGA-PEO fibrous sutures were produced to mimic the FDA- and NICE-approved PLGA-based sutures available in the market and compared for their characteristics. They were also tested simultaneously with commercially available sutures to compare their in vitro biodegradation, antibacterial, drug release, and cytotoxicity properties. After in vitro antibacterial testing for 24 h, sutures having 285 ± 12 μg/mg Tri loading were selected as a model for further testing as they exhibited antibacterial activity against all tested bacteria strains. The selected model of antibacterial fibrous sutures exhibited an initial burst of Tri release within 24 h, followed by a sustained release for the remaining time until the sutures completely degraded within 21 days. The cell viability assay showed that these surgical sutures had no cytotoxic effect on mammalian cells.
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Affiliation(s)
- Esra Altun
- Department
of Mechanical Engineering, University College
London (UCL), Torrington Place, London WC1E 7JE, U.K.
| | - Cem Bayram
- Department
of Nanotechnology and Nanomedicine, Graduate School of Science and
Engineering, Hacettepe University, Ankara 06800, Turkey
| | - Merve Gultekinoglu
- Department
of Nanotechnology and Nanomedicine, Graduate School of Science and
Engineering, Hacettepe University, Ankara 06800, Turkey
| | - Rupy Matharu
- Department
of Civil, Environmental and Geomatic Engineering, University College London, Gower Street, London WC1E
6BT, U.K.
| | - Angelo Delbusso
- Department
of Mechanical Engineering, University College
London (UCL), Torrington Place, London WC1E 7JE, U.K.
| | | | - Mohan Edirisinghe
- Department
of Mechanical Engineering, University College
London (UCL), Torrington Place, London WC1E 7JE, U.K.
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Etemad L, Salmasi Z, Moosavian Kalat SA, Moshiri M, Zamanian J, Kesharwani P, Sahebkar A. An overview on nanoplatforms for statins delivery: Perspectives for safe and effective therapy. ENVIRONMENTAL RESEARCH 2023; 234:116572. [PMID: 37429398 DOI: 10.1016/j.envres.2023.116572] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/23/2023] [Revised: 06/29/2023] [Accepted: 07/06/2023] [Indexed: 07/12/2023]
Abstract
Statins are the most widely used pharmacological agents for reducing blood cholesterol levels and treating atherosclerotic cardiovascular diseases. Most of the statins' derivatives have been limited by water solubility, bioavailability, and oral absorption, which has led to adverse effects on several organs, especially at high doses. As an approach to reducing statin intolerance, achieving a stable formulation with improved efficacy and bioavailability at low doses has been suggested. Nanotechnology-based formulations may provide a therapeutic benefit over traditional formulations in terms of potency and biosafety. Nanocarriers can provide tailored delivery platforms for statins, thereby enhancing the localized biological effects and lowering the risk of undesired side effects while boosting statin's therapeutic index. Furthermore, tailored nanoparticles can deliver the active cargo to the desired site, which culminates in reducing off-targeting and toxicity. Nanomedicine could also provide opportunities for therapeutic methods by personalized medicine. This review delves into the existing data on the potential improvement of statin therapy using nano-formulations.
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Affiliation(s)
- Leila Etemad
- International UNESCO Center for Health-Related Basic Sciences and Human Nutrition, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran; Pharmaceutical Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Zahra Salmasi
- Nanotechnology Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran; Department of Pharmaceutical Nanotechnology, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Seyedeh Alia Moosavian Kalat
- Nanotechnology Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran; Department of Pharmaceutical Nanotechnology, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Mohammad Moshiri
- Medical Toxicology Research Center, Mashhad University of Medical Sciences, Mashhad, Iran; Department of Clinical Toxicology, Imam Reza Hospital, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Javad Zamanian
- Pharmaceutical Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran; Department of Medicinal Chemistry, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran; Targeted Drug Delivery Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Prashant Kesharwani
- Department of Pharmaceutics, School of Pharmaceutical Education and Research, Jamia Hamdard, New Delhi, 110062, India; Department of Pharmacology, Saveetha Dental College, Saveetha Institute of Medical and Technical Sciences, Saveetha University, Chennai, India.
| | - Amirhossein Sahebkar
- Biotechnology Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran; Applied Biomedical Research Center, Mashhad University of Medical Sciences, Mashhad, Iran; Department of Biotechnology, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran.
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12
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Cho Y, Jeong H, Kim B, Jang J, Song YS, Lee DY. Electrospun Poly(L-Lactic Acid)/Gelatin Hybrid Polymer as a Barrier to Periodontal Tissue Regeneration. Polymers (Basel) 2023; 15:3844. [PMID: 37765697 PMCID: PMC10537136 DOI: 10.3390/polym15183844] [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: 08/11/2023] [Revised: 09/15/2023] [Accepted: 09/20/2023] [Indexed: 09/29/2023] Open
Abstract
Poly(L-lactic acid) (PLLA) and PLLA/gelatin polymers were prepared via electrospinning to evaluate the effect of PLLA and gelatin content on the mechanical properties, water uptake capacity (WUC), water contact angle (WCA), degradation rate, cytotoxicity and cell proliferation of membranes. As the PLLA concentration increased from 1 wt% to 3 wt%, the tensile strength increased from 5.8 MPa to 9.1 MPa but decreased to 7.0 MPa with 4 wt% PLLA doping. The WUC decreased rapidly from 594% to 236% as the PLLA content increased from 1 to 4 wt% due to the increased hydrophobicity of PLLA. As the gelatin content was increased to 3 wt% PLLA, the strength, WUC and WCA of the PLLA/gelatin membrane changed from 9.1 ± 0.9 MPa to 13.3 ± 2.3 MPa, from 329% to 1248% and from 127 ± 1.2° to 0°, respectively, with increasing gelatin content from 0 to 40 wt%. However, the failure strain decreased from 3.0 to 0.5. The biodegradability of the PLLA/gelatin blend increased from 3 to 38% as the gelatin content increased to 40 wt%. The viability of L-929 and MG-63 cells in the PLLA/gelatin blend was over 95%, and the excellent cell proliferation and mechanical properties suggested that the tunable PLLA/gelatin barrier membrane was well suited for absorbable periodontal tissue regeneration.
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Affiliation(s)
- Youngchae Cho
- Department of Biomedical Engineering, Daelim University, Anyang 13916, Republic of Korea; (Y.C.); (H.J.)
| | - Heeseok Jeong
- Department of Biomedical Engineering, Daelim University, Anyang 13916, Republic of Korea; (Y.C.); (H.J.)
| | - Baeyeon Kim
- Department of Materials Science and Engineering, Incheon National University, Incheon 22012, Republic of Korea;
| | - Juwoong Jang
- Department of R&D Center, Renewmedical Co., Ltd., Bucheon 14532, Republic of Korea;
| | - Yo-Seung Song
- Department of Materials Science and Engineering, Korea Aviation University, Goyang 10540, Republic of Korea;
| | - Deuk Yong Lee
- Department of Biomedical Engineering, Daelim University, Anyang 13916, Republic of Korea; (Y.C.); (H.J.)
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13
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Horvath D, Basler M. PLGA Particles in Immunotherapy. Pharmaceutics 2023; 15:pharmaceutics15020615. [PMID: 36839937 PMCID: PMC9965784 DOI: 10.3390/pharmaceutics15020615] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2022] [Revised: 02/06/2023] [Accepted: 02/07/2023] [Indexed: 02/16/2023] Open
Abstract
Poly(lactic-co-glycolic acid) (PLGA) particles are a widely used and extensively studied drug delivery system. The favorable properties of PLGA such as good bioavailability, controlled release, and an excellent safety profile due to the biodegradable polymer backbone qualified PLGA particles for approval by the authorities for the application as a drug delivery platform in humas. In recent years, immunotherapy has been established as a potent treatment option for a variety of diseases. However, immunomodulating drugs rely on targeted delivery to specific immune cell subsets and are often rapidly eliminated from the system. Loading of PLGA particles with drugs for immunotherapy can protect the therapeutic compounds from premature degradation, direct the drug delivery to specific tissues or cells, and ensure sustained and controlled drug release. These properties present PLGA particles as an ideal platform for immunotherapy. Here, we review recent advances of particulate PLGA delivery systems in the application for immunotherapy in the fields of allergy, autoimmunity, infectious diseases, and cancer.
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Affiliation(s)
- Dennis Horvath
- Division of Immunology, Department of Biology, University of Konstanz, D-78457 Konstanz, Germany
- Centre for the Advanced Study of Collective Behaviour, University of Konstanz, D-78457 Konstanz, Germany
| | - Michael Basler
- Division of Immunology, Department of Biology, University of Konstanz, D-78457 Konstanz, Germany
- Biotechnology Institute Thurgau (BITg) at the University of Konstanz, CH-8280 Kreuzlingen, Switzerland
- Correspondence:
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14
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Suvarna V, Sawant N, Desai N. A Review on Recent Advances in Mannose-Functionalized Targeted Nanocarrier Delivery Systems in Cancer and Infective Therapeutics. Crit Rev Ther Drug Carrier Syst 2023; 40:43-82. [PMID: 36734913 DOI: 10.1615/critrevtherdrugcarriersyst.2022041853] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Unmodified nanocarriers used in the chemotherapy of cancers and various infectious diseases exhibit prolonged blood circulation time, prevent enzymatic degradation and increase chemical stability of encapsulated therapeutics. However, off-target effect and lack of specificity associated with unmodified nanoparticles (NPs) limit their applications in the health care system. Mannose (Man) receptors with significant overexpression on antigen-presenting cells and macrophages are among the most admired targets for cancer and anti-infective therapeutics. Therefore, development of Man functionalized nanocarriers targeting Man receptors, for target specific drug delivery in the chemotherapy have been extensively studied. Present review expounds diverse Man-conjugated NPs with their potential for targeted drug delivery, improved biodistribution profiles and localization. Additionally, the review gives detailed account of the interactions of mannosylated NPs with various biological systems and their characterization not discussed in earlier published reports is discussed.
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Affiliation(s)
- Vasanti Suvarna
- Department of Pharmaceutical Chemistry & Quality Assurance, SVKM's Dr. Bhanuben Nanavati College of Pharmacy, Vile Parle (W), Mumbai 400056, Maharashtra, India
| | - Niserga Sawant
- C.U. Shah College of Pharmacy, SNDT Women's University, Santacruz (W), Mumbai 400049, Maharashtra, India
| | - Namita Desai
- Department of Pharmaceutics, C. U. Shah College of Pharmacy, SNDT Women's University, Santacruz (W), Mumbai - 400049, Maharashtra, India
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15
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Sasmal PK, Ganguly S. Polymer in hemostasis and follow‐up wound healing. J Appl Polym Sci 2023. [DOI: 10.1002/app.53559] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Affiliation(s)
| | - Somenath Ganguly
- Department of Chemical Engineering Indian Institute of Technology Kharagpur India
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16
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Natural, synthetic and commercially-available biopolymers used to regenerate tendons and ligaments. Bioact Mater 2023; 19:179-197. [PMID: 35510172 PMCID: PMC9034322 DOI: 10.1016/j.bioactmat.2022.04.003] [Citation(s) in RCA: 18] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2021] [Revised: 03/15/2022] [Accepted: 04/04/2022] [Indexed: 12/26/2022] Open
Abstract
Tendon and ligament (TL) injuries affect millions of people annually. Biopolymers play a significant role in TL tissue repair, whether the treatment relies on tissue engineering strategies or using artificial tendon grafts. The biopolymer governs the mechanical properties, biocompatibility, degradation, and fabrication method of the TL scaffold. Many natural, synthetic and hybrid biopolymers have been studied in TL regeneration, often combined with therapeutic agents and minerals to engineer novel scaffold systems. However, most of the advanced biopolymers have not advanced to clinical use yet. Here, we aim to review recent biopolymers and discuss their features for TL tissue engineering. After introducing the properties of the native tissue, we discuss different types of natural, synthetic and hybrid biopolymers used in TL tissue engineering. Then, we review biopolymers used in commercial absorbable and non-absorbable TL grafts. Finally, we explain the challenges and future directions for the development of novel biopolymers in TL regenerative treatment. Both natural and synthetic biopolymers are reviewed for regeneration of TL and their interface tissues. Advances on hybrid-composite biopolymers to fabricate TL scaffolds were reviewed. The current biopolymers used in commercial TL grafts are discussed. The challenges and emerging strategies for biopolymer development are presented.
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17
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Zhang J, Zhang X, Li W, Guo J, Yang L, Yan G. Poly (trimethylene carbonate)/doxycycline hydrochloride films in the treatment of Achilles tendon defect in rats. Front Bioeng Biotechnol 2023; 11:1135248. [PMID: 36911187 PMCID: PMC9999008 DOI: 10.3389/fbioe.2023.1135248] [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: 12/31/2022] [Accepted: 02/16/2023] [Indexed: 03/14/2023] Open
Abstract
Introduction: In this study, Poly (trimethylene carbonate)/Doxycycline hydrochloride (PTMC/DH) films were introduced to repair the Achilles tendon defects for the first time. Methods: (PTMC/DH) films with different DH content of 10, 20, and 30% (w/w) were prepared by solvent casting. The in vitro and in vivo drug release of the prepared PTMC/DH films was investigated. Results: The results of drug release experiments showed that the PTMC/DH films released effective concentrations of doxycycline for more than 7 and 28 days in vitro and in vivo, respectively. The results of antibacterial activity experiments showed diameters of 25.00 ± 1.00 mm, 29.33 ± 1.15 mm, and 34.67 ± 1.53 mm, respectively, for the inhibition zones produced by the release solutions of PTMC/DH films with 10, 20 and 30% (w/w) DH at 2 h, indicating that the drug-loaded films could inhibit Staphylococcus aureus well. After treatment, the Achilles tendon defects have recovered well, as indicated by the more robust biomechanical properties and the lower fibroblast density of the repaired Achilles tendons. Pathology revealed that the pro-inflammatory cytokine, IL-1β, and the anti-inflammatory factor, TGF-β1, peaked in the first three days and gradually decreased as the drug was released more slowly. Discussion: These results demonstrated that the PTMC/DH films have great potential for regenerating Achilles tendon defects.
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Affiliation(s)
- Jinchi Zhang
- Department of Biomaterials, Shengjing Hospital of China Medical University, Shenyang, China.,NHC Key Laboratory of Reproductive Health and Medical Genetics (China Medical University), Liaoning Research Institute of Family Planning (The Affiliated Reproductive Hospital of China Medical University), Shenyang, China.,College of Kinesiology, Shenyang Sport University, Shenyang, China
| | - Xiaowei Zhang
- NHC Key Laboratory of Reproductive Health and Medical Genetics (China Medical University), Liaoning Research Institute of Family Planning (The Affiliated Reproductive Hospital of China Medical University), Shenyang, China
| | - Wei Li
- College of Kinesiology, Shenyang Sport University, Shenyang, China
| | - Jing Guo
- NHC Key Laboratory of Reproductive Health and Medical Genetics (China Medical University), Liaoning Research Institute of Family Planning (The Affiliated Reproductive Hospital of China Medical University), Shenyang, China
| | - Liqun Yang
- Department of Biomaterials, Shengjing Hospital of China Medical University, Shenyang, China.,NHC Key Laboratory of Reproductive Health and Medical Genetics (China Medical University), Liaoning Research Institute of Family Planning (The Affiliated Reproductive Hospital of China Medical University), Shenyang, China
| | - Guangqi Yan
- Department of Oral and Maxillofacial Surgery, School of Stomatology, China Medical University, Shenyang, China
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18
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Nimbalkar Y, Gharat SA, Tanna V, Nikam VS, Nabar S, Sawarkar SP. Modification and Functionalization of Polymers for Targeting to Bone Cancer and Bone Regeneration. Crit Rev Biomed Eng 2023; 51:21-58. [PMID: 37560878 DOI: 10.1615/critrevbiomedeng.2023043780] [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: 08/11/2023]
Abstract
Bone is one of the most complex, inaccessible body structures, responsible for calcium storage and haematopoiesis. The second highest cause of death across the world is cancer. Amongst all the types of cancers, bone cancer treatment modalities are limited due to the structural complexity and inaccessibility of bones. The worldwide incidence of bone diseases and bone defects due to cancer, infection, trauma, age-related bone degeneration is increasing. Currently different conventional therapies are available for bone cancer such as chemotherapy, surgery and radiotherapy, but they have several disadvantages associated with them. Nanomedicine is being extensively researched as viable therapeutics to mitigate drug resistance in cancer therapy and promote bone regeneration. Several natural polymers such as chitosan, dextran, alginate, hyaluronic acid, and synthetic polymers like polyglycolic acid, poly(lactic-co-glycolic acid), polycaprolactone are investigated for their application in nanomedicine for bone cancer treatment and bone regeneration. Nanocarriers have shown promising results in preclinical experimental studies. However, they still face a major drawback of inadequate targetability. The paper summarizes the status of research and the progress made so far in modifications and functionalization of natural polymers for improving their site specificity and targeting for effective treatment of bone cancer and enhancing bone regeneration.
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Affiliation(s)
- Yogesh Nimbalkar
- Department of Pharmaceutics, SVKM's Dr. Bhanuben Nanavati College of Pharmacy, University of Mumbai, Vile Parle West, Mumbai 400056 India
| | - Sankalp A Gharat
- Department of Pharmaceutics, SVKM's Dr. Bhanuben Nanavati College of Pharmacy, University of Mumbai, Vile Parle West, Mumbai 400056 India
| | - Vidhi Tanna
- Department of Pharmaceutics, SVKM's Dr. Bhanuben Nanavati College of Pharmacy, University of Mumbai, Vile Parle West, Mumbai 400056 India
| | - Vandana S Nikam
- Department of Pharmacology, STES's Smt. Kashibai Navale College of Pharmacy, Kondhwa, S.P. Pune University, Pune 411048, India
| | - Swapna Nabar
- Radiation Medicine Centre, Tata Memorial Hospital, Parel, Mumbai, India
| | - Sujata P Sawarkar
- Department of Pharmaceutics, SVKM's Dr. Bhanuben Nanavati College of Pharmacy, University of Mumbai, Vile Parle West, Mumbai 400056 India
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19
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Alsaab HO, Alharbi FD, Alhibs AS, Alanazi NB, Alshehri BY, Saleh MA, Alshehri FS, Algarni MA, Almugaiteeb T, Uddin MN, Alzhrani RM. PLGA-Based Nanomedicine: History of Advancement and Development in Clinical Applications of Multiple Diseases. Pharmaceutics 2022; 14:pharmaceutics14122728. [PMID: 36559223 PMCID: PMC9786338 DOI: 10.3390/pharmaceutics14122728] [Citation(s) in RCA: 37] [Impact Index Per Article: 18.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2022] [Revised: 11/13/2022] [Accepted: 11/17/2022] [Indexed: 12/12/2022] Open
Abstract
Research on the use of biodegradable polymers for drug delivery has been ongoing since they were first used as bioresorbable surgical devices in the 1980s. For tissue engineering and drug delivery, biodegradable polymer poly-lactic-co-glycolic acid (PLGA) has shown enormous promise among all biomaterials. PLGA are a family of FDA-approved biodegradable polymers that are physically strong and highly biocompatible and have been extensively studied as delivery vehicles of drugs, proteins, and macromolecules such as DNA and RNA. PLGA has a wide range of erosion times and mechanical properties that can be modified. Many innovative platforms have been widely studied and created for the development of methods for the controlled delivery of PLGA. In this paper, the various manufacturing processes and characteristics that impact their breakdown and drug release are explored in depth. Besides different PLGA-based nanoparticles, preclinical and clinical applications for different diseases and the PLGA platform types and their scale-up issues will be discussed.
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Affiliation(s)
- Hashem O. Alsaab
- Department of Pharmaceutics and Pharmaceutical Technology, Taif University, Taif 21944, Saudi Arabia
- Correspondence: ; Tel.: +966-556047523
| | - Fatima D. Alharbi
- Department of Chemistry, College of Science, King Saud University, Riyadh 11451, Saudi Arabia
| | - Alanoud S. Alhibs
- Department of Pharmacy, King Fahad Medical City, Riyadh 11564, Saudi Arabia
| | - Nouf B. Alanazi
- Department of Chemistry, College of Science, King Saud University, Riyadh 11451, Saudi Arabia
| | - Bayan Y. Alshehri
- Department of Chemistry, College of Science, King Saud University, Riyadh 11451, Saudi Arabia
| | - Marwa A. Saleh
- Pharmaceutical Organic Chemistry Department, Faculty of Pharmacy (Girls), Al-Azhar University, Nasr City, Cairo 11754, Egypt
| | - Fahad S. Alshehri
- Department of Pharmacology and Toxicology, College of Pharmacy, Umm Al-Qura University, Makkah 24382, Saudi Arabia
| | - Majed A. Algarni
- Department of Clinical Pharmacy, College of Pharmacy, Taif University, Taif 21944, Saudi Arabia
| | - Turki Almugaiteeb
- Taqnia-Research Products Development Company, Riyadh 13244, Saudi Arabia
| | | | - Rami M. Alzhrani
- Department of Pharmaceutics and Pharmaceutical Technology, Taif University, Taif 21944, Saudi Arabia
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20
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Surface Modification of Electrospun Bioresorbable and Biostable Scaffolds by Pulsed DC Magnetron Sputtering of Titanium for Gingival Tissue Regeneration. Polymers (Basel) 2022; 14:polym14224922. [PMID: 36433049 PMCID: PMC9698656 DOI: 10.3390/polym14224922] [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: 10/25/2022] [Revised: 11/10/2022] [Accepted: 11/11/2022] [Indexed: 11/16/2022] Open
Abstract
In this study, polymer scaffolds were fabricated from biodegradable poly(lactide-co-glycolide) (PLGA) and from non-biodegradable vinylidene fluoride-tetrafluoroethylene (VDF-TeFE) by electrospinning. These polymer scaffolds were subsequently surface-modified by sputtering titanium targets in an argon atmosphere. Direct current pulsed magnetron sputtering was applied to prevent a significant influence of discharge plasma on the morphology and mechanical properties of the nonwoven polymer scaffolds. The scaffolds with initially hydrophobic properties show higher hydrophilicity and absorbing properties after surface modification with titanium. The surface modification by titanium significantly increases the cell adhesion of both the biodegradable and the non-biodegradable scaffolds. Immunocytochemistry investigations of human gingival fibroblast cells on the surface-modified scaffolds indicate that a PLGA scaffold exhibits higher cell adhesion than a VDF-TeFE scaffold.
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21
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Yazdanian M, Alam M, Abbasi K, Rahbar M, Farjood A, Tahmasebi E, Tebyaniyan H, Ranjbar R, Hesam Arefi A. Synthetic materials in craniofacial regenerative medicine: A comprehensive overview. Front Bioeng Biotechnol 2022; 10:987195. [PMID: 36440445 PMCID: PMC9681815 DOI: 10.3389/fbioe.2022.987195] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2022] [Accepted: 10/26/2022] [Indexed: 07/25/2023] Open
Abstract
The state-of-the-art approach to regenerating different tissues and organs is tissue engineering which includes the three parts of stem cells (SCs), scaffolds, and growth factors. Cellular behaviors such as propagation, differentiation, and assembling the extracellular matrix (ECM) are influenced by the cell's microenvironment. Imitating the cell's natural environment, such as scaffolds, is vital to create appropriate tissue. Craniofacial tissue engineering refers to regenerating tissues found in the brain and the face parts such as bone, muscle, and artery. More biocompatible and biodegradable scaffolds are more commensurate with tissue remodeling and more appropriate for cell culture, signaling, and adhesion. Synthetic materials play significant roles and have become more prevalent in medical applications. They have also been used in different forms for producing a microenvironment as ECM for cells. Synthetic scaffolds may be comprised of polymers, bioceramics, or hybrids of natural/synthetic materials. Synthetic scaffolds have produced ECM-like materials that can properly mimic and regulate the tissue microenvironment's physical, mechanical, chemical, and biological properties, manage adherence of biomolecules and adjust the material's degradability. The present review article is focused on synthetic materials used in craniofacial tissue engineering in recent decades.
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Affiliation(s)
- Mohsen Yazdanian
- Research Center for Prevention of Oral and Dental Diseases, Baqiyatallah University of Medical Sciences, Tehran, Iran
| | - Mostafa Alam
- Department of Oral and Maxillofacial Surgery, School of Dentistry, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Kamyar Abbasi
- Department of Prosthodontics, School of Dentistry, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Mahdi Rahbar
- Department of Restorative Dentistry, School of Dentistry, Ardabil University of Medical Sciences, Ardabil, Iran
| | - Amin Farjood
- Orthodontic Department, Dental School, Bushehr University of Medical Sciences, Bushehr, Iran
| | - Elahe Tahmasebi
- Research Center for Prevention of Oral and Dental Diseases, Baqiyatallah University of Medical Sciences, Tehran, Iran
| | - Hamid Tebyaniyan
- Department of Science and Research, Islimic Azade University, Tehran, Iran
| | - Reza Ranjbar
- Research Center for Prevention of Oral and Dental Diseases, Baqiyatallah University of Medical Sciences, Tehran, Iran
| | - Arian Hesam Arefi
- Dental Research Center, Zahedan University of Medical Sciences, Zahedan, Iran
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22
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In Vitro and In Vivo Cell-Interactions with Electrospun Poly (Lactic-Co-Glycolic Acid) (PLGA): Morphological and Immune Response Analysis. Polymers (Basel) 2022; 14:polym14204460. [PMID: 36298036 PMCID: PMC9611119 DOI: 10.3390/polym14204460] [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: 06/29/2022] [Revised: 09/28/2022] [Accepted: 09/30/2022] [Indexed: 11/07/2022] Open
Abstract
Random electrospun three-dimensional fiber membranes mimic the extracellular matrix and the interfibrillar spaces promotes the flow of nutrients for cells. Electrospun PLGA membranes were analyzed in vitro and in vivo after being sterilized with gamma radiation and bioactivated with fibronectin or collagen. Madin-Darby Canine Kidney (MDCK) epithelial cells and primary fibroblast-like cells from hamster’s cheek paunch proliferated over time on these membranes, evidencing their good biocompatibility. Cell-free irradiated PLGA membranes implanted on the back of hamsters resulted in a chronic granulomatous inflammatory response, observed after 7, 15, 30 and 90 days. Morphological analysis of implanted PLGA using light microscopy revealed epithelioid cells, Langhans type of multinucleate giant cells (LCs) and multinucleated giant cells (MNGCs) with internalized biomaterial. Lymphocytes increased along time due to undegraded polymer fragments, inducing the accumulation of cells of the phagocytic lineage, and decreased after 90 days post implantation. Myeloperoxidase+ cells increased after 15 days and decreased after 90 days. LCs, MNGCs and capillaries decreased after 90 days. Analysis of implanted PLGA after 7, 15, 30 and 90 days using transmission electron microscope (TEM) showed cells exhibiting internalized PLGA fragments and filopodia surrounding PLGA fragments. Over time, TEM analysis showed less PLGA fragments surrounded by cells without fibrous tissue formation. Accordingly, MNGC constituted a granulomatous reaction around the polymer, which resolves with time, probably preventing a fibrous capsule formation. Finally, this study confirms the biocompatibility of electrospun PLGA membranes and their potential to accelerate the healing process of oral ulcerations in hamsters’ model in association with autologous cells.
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23
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Wang W, Gong Y, Huang Q, Li L, Xu A, Liu R. Improving mechanical properties and biodegradation of polyvinyl alcohol material using poly(D,L-lactic acid-co-glycolic acid). POLYM-PLAST TECH MAT 2022. [DOI: 10.1080/25740881.2022.2075271] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/17/2023]
Affiliation(s)
- Wenqiang Wang
- School of Chemical Engineering & Pharmaceutics, School of Forensic Medicine, Henan University of Science and Technology, Luoyang, Henan, China
| | - Yiming Gong
- School of Chemical Engineering & Pharmaceutics, School of Forensic Medicine, Henan University of Science and Technology, Luoyang, Henan, China
| | - Qingxia Huang
- School of Chemical Engineering & Pharmaceutics, School of Forensic Medicine, Henan University of Science and Technology, Luoyang, Henan, China
| | - Liuzemu Li
- State Key Laboratory of Utilization of Woody Oil Resource, Hunan Academy of Forestry, Changsha, Hunan, China
| | - Airong Xu
- School of Chemical Engineering & Pharmaceutics, School of Forensic Medicine, Henan University of Science and Technology, Luoyang, Henan, China
| | - Rukuan Liu
- State Key Laboratory of Utilization of Woody Oil Resource, Hunan Academy of Forestry, Changsha, Hunan, China
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24
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Wlodarczyk J, Musial-Kulik M, Jelonek K, Stojko M, Karpeta-Jarzabek P, Pastusiak M, Janeczek H, Dobrzynski P, Sobota M, Kasperczyk J. Dual-jet electrospun PDLGA/PCU nonwovens as promising mesh implant materials with controlled release of sirolimus and diclofenac. Int J Pharm 2022; 625:122113. [PMID: 35973592 DOI: 10.1016/j.ijpharm.2022.122113] [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: 03/21/2022] [Revised: 08/09/2022] [Accepted: 08/10/2022] [Indexed: 10/15/2022]
Abstract
Dual-jet electrospinning was employed to produce two-component, partially degradable drug releasing nonwovens with interlacing of poly(D,L-lactide-co-glycolide) (PDLGA) and different poly(carbonate urethanes) (PCUs). Diclofenac sodium and sirolimus were released simultaneously from the copolyester carrier. The research focused on determining of release profiles of drugs, depending on the hydrophilicity of introduced PCU nanofibers. The influence of drugs incorporation on the hydrolytic degradation of the PDLGA and mechanical properties of nonwovens was also studied. Evaluation for interaction with cells in vitro was investigated on a fibroblast cell line in cytotoxicity and surface adhesion tests. Significant changes in drugs release rate, depending on the applied PCU were observed. It was also noticed, that hydrophilicity of drugs significantly influenced the hydrolytic degradation mechanism and surface erosion of the PDLGA, as well as the tensile strength of nonwovens. Tests carried out on cells in an in vitro experiment showed that introduction of sirolimus caused a slight reduction in the viability of fibroblasts as well as a strong limitation in their capability to colonize the surface of fibers. Due to improvement of mechanical strength and the ability to controlled drugs release, the obtained material may be considered as prospect surgical mesh implant in the treatment of hernia.
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Affiliation(s)
- Jakub Wlodarczyk
- Centre of Polymer and Carbon Materials, Polish Academy of Sciences, 34 Curie-Sklodowskiej St., 41-819 Zabrze, Poland
| | - Monika Musial-Kulik
- Centre of Polymer and Carbon Materials, Polish Academy of Sciences, 34 Curie-Sklodowskiej St., 41-819 Zabrze, Poland
| | - Katarzyna Jelonek
- Centre of Polymer and Carbon Materials, Polish Academy of Sciences, 34 Curie-Sklodowskiej St., 41-819 Zabrze, Poland
| | - Mateusz Stojko
- Centre of Polymer and Carbon Materials, Polish Academy of Sciences, 34 Curie-Sklodowskiej St., 41-819 Zabrze, Poland; Department of Biopharmacy, Faculty of Pharmaceutical Sciences in Sosnowiec, Medical University of Silesia in Katowice, 8 Jednosci St., 41-200 Sosnowiec, Poland
| | - Paulina Karpeta-Jarzabek
- Centre of Polymer and Carbon Materials, Polish Academy of Sciences, 34 Curie-Sklodowskiej St., 41-819 Zabrze, Poland
| | - Malgorzata Pastusiak
- Centre of Polymer and Carbon Materials, Polish Academy of Sciences, 34 Curie-Sklodowskiej St., 41-819 Zabrze, Poland
| | - Henryk Janeczek
- Centre of Polymer and Carbon Materials, Polish Academy of Sciences, 34 Curie-Sklodowskiej St., 41-819 Zabrze, Poland
| | - Piotr Dobrzynski
- Centre of Polymer and Carbon Materials, Polish Academy of Sciences, 34 Curie-Sklodowskiej St., 41-819 Zabrze, Poland
| | - Michal Sobota
- Centre of Polymer and Carbon Materials, Polish Academy of Sciences, 34 Curie-Sklodowskiej St., 41-819 Zabrze, Poland.
| | - Janusz Kasperczyk
- Centre of Polymer and Carbon Materials, Polish Academy of Sciences, 34 Curie-Sklodowskiej St., 41-819 Zabrze, Poland; Department of Biopharmacy, Faculty of Pharmaceutical Sciences in Sosnowiec, Medical University of Silesia in Katowice, 8 Jednosci St., 41-200 Sosnowiec, Poland
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25
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PLGA-Gentamicin and PLGA-Hydroxyapatite-Gentamicin Microspheres for Medical Applications. Pharm Chem J 2022. [DOI: 10.1007/s11094-022-02689-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/15/2022]
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26
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Moghanian A, Cecen B, Nafisi N, Miri Z, Rosenzweig DH, Miri AK. Review of Current Literature for Vascularized Biomaterials in Dental Repair. Biochem Eng J 2022. [DOI: 10.1016/j.bej.2022.108545] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
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27
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Yang Z, Wu C, Shi H, Luo X, Sun H, Wang Q, Zhang D. Advances in Barrier Membranes for Guided Bone Regeneration Techniques. Front Bioeng Biotechnol 2022; 10:921576. [PMID: 35814003 PMCID: PMC9257033 DOI: 10.3389/fbioe.2022.921576] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2022] [Accepted: 05/30/2022] [Indexed: 11/13/2022] Open
Abstract
Guided bone regeneration (GBR) is a widely used technique for alveolar bone augmentation. Among all the principal elements, barrier membrane is recognized as the key to the success of GBR. Ideal barrier membrane should have satisfactory biological and mechanical properties. According to their composition, barrier membranes can be divided into polymer membranes and non-polymer membranes. Polymer barrier membranes have become a research hotspot not only because they can control the physical and chemical characteristics of the membranes by regulating the synthesis conditions but also because their prices are relatively low. Still now the bone augment effect of barrier membrane used in clinical practice is more dependent on the body’s own growth potential and the osteogenic effect is difficult to predict. Therefore, scholars have carried out many researches to explore new barrier membranes in order to improve the success rate of bone enhancement. The aim of this study is to collect and compare recent studies on optimizing barrier membranes. The characteristics and research progress of different types of barrier membranes were also discussed in detail.
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Affiliation(s)
- Ze Yang
- Liaoning Provincial Key Laboratory of Oral Diseases, School and Hospital of Stomatology, China Medical University, Shenyang, China
| | - Chang Wu
- Liaoning Provincial Key Laboratory of Oral Diseases, School and Hospital of Stomatology, China Medical University, Shenyang, China
| | - Huixin Shi
- Department of Plastic Surgery, The First Affiliated Hospital of China Medical University, Shenyang, China
| | - Xinyu Luo
- Liaoning Provincial Key Laboratory of Oral Diseases, School and Hospital of Stomatology, China Medical University, Shenyang, China
| | - Hui Sun
- Liaoning Provincial Key Laboratory of Oral Diseases, School and Hospital of Stomatology, China Medical University, Shenyang, China
| | - Qiang Wang
- Liaoning Provincial Key Laboratory of Oral Diseases, School and Hospital of Stomatology, China Medical University, Shenyang, China
- *Correspondence: Qiang Wang, ; Dan Zhang,
| | - Dan Zhang
- Liaoning Provincial Key Laboratory of Oral Diseases, School and Hospital of Stomatology, China Medical University, Shenyang, China
- *Correspondence: Qiang Wang, ; Dan Zhang,
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28
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Nitti P, Palazzo B, Gallo N, Scalera F, Sannino A, Gervaso F. Smooth‐rough asymmetric
PLGA
structure made of dip coating membrane and electrospun nanofibrous scaffolds meant to be used for guided tissue regeneration of periodontium. POLYM ENG SCI 2022. [DOI: 10.1002/pen.25988] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Paola Nitti
- Biomaterials Laboratory, Department of Engineering for Innovation University of Salento Lecce
| | - Barbara Palazzo
- Ghimas S.p.A., c/o Dhitech Scarl Lecce Italy
- ENEA Division for Sustainable Materials Research Centre of Brindisi Brindisi Italy
| | - Nunzia Gallo
- Biomaterials Laboratory, Department of Engineering for Innovation University of Salento Lecce
| | - Francesca Scalera
- Biomaterials Laboratory, Department of Engineering for Innovation University of Salento Lecce
- Department of Physical Sciences and Technologies of Matter Institute of Nanotechnology‐CNR Lecce Italy
| | - Alessandro Sannino
- Biomaterials Laboratory, Department of Engineering for Innovation University of Salento Lecce
| | - Francesca Gervaso
- Biomaterials Laboratory, Department of Engineering for Innovation University of Salento Lecce
- Department of Physical Sciences and Technologies of Matter Institute of Nanotechnology‐CNR Lecce Italy
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29
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Grivet-Brancot A, Boffito M, Ciardelli G. Use of Polyesters in Fused Deposition Modeling for Biomedical Applications. Macromol Biosci 2022; 22:e2200039. [PMID: 35488769 DOI: 10.1002/mabi.202200039] [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] [Received: 01/29/2022] [Revised: 04/11/2022] [Indexed: 11/09/2022]
Abstract
In recent years, 3D printing techniques experienced a growing interest in several sectors, including the biomedical one. Their main advantage resides in the possibility to obtain complex and personalized structures in a cost-effective way impossible to achieve with traditional production methods. This is especially true for Fused Deposition Modeling (FDM), one of the most diffused 3D printing methods. The easy customization of the final products' geometry, composition and physico-chemical properties is particularly interesting for the increasingly personalized approach adopted in modern medicine. Thermoplastic polymers are the preferred choice for FDM applications, and a wide selection of biocompatible and biodegradable materials is available to this aim. Moreover, these polymers can also be easily modified before and after printing to better suit the body environment and the mechanical properties of biological tissues. This review focuses on the use of thermoplastic aliphatic polyesters for FDM applications in the biomedical field. In detail, the use of poly(ε-caprolactone), poly(lactic acid), poly(lactic-co-glycolic acid), poly(hydroxyalkanoate)s, thermo-plastic poly(ester urethane)s and their blends has been thoroughly surveyed, with particular attention to their main features, applicability and workability. The state-of-the-art is presented and current challenges in integrating the additive manufacturing technology in the medical practice are discussed. This article is protected by copyright. All rights reserved.
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Affiliation(s)
- Arianna Grivet-Brancot
- Department of Mechanical and Aerospace Engineering, Politecnico di Torino, Corso Duca degli Abruzzi, 24, Torino, 10129, Italy.,Department of Surgical Sciences, Università di Torino, Corso Dogliotti 14, Torino, 10126, Italy
| | - Monica Boffito
- Department of Mechanical and Aerospace Engineering, Politecnico di Torino, Corso Duca degli Abruzzi, 24, Torino, 10129, Italy
| | - Gianluca Ciardelli
- Department of Mechanical and Aerospace Engineering, Politecnico di Torino, Corso Duca degli Abruzzi, 24, Torino, 10129, Italy
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30
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Zhong M, Lin J, He Z, Wu W, Ji D, Zhang R, Zhang J. Bi-layered PLGA electrospun membrane with occlusive and osteogenic properties for periodontal regeneration. J BIOACT COMPAT POL 2022. [DOI: 10.1177/08839115221095257] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Guided tissue regeneration (GTR) membranes not only can hamper undesirable tissues down-growth into the defects but also can selectively promote the in-growth of regenerative bone tissue, playing a critical role in periodontal regeneration. Herein, a bi-layered electrospun membrane with different sized pores was designed and fabricated by adjusting electrospinning parameters combing with facile two-step electrospinning. The small-sized pore layer (SL) as occlusive layer consisted of electrospun poly (lactic-co-glycolic acid) (PLGA) nanofibers, while the macroporous osteoconductive layer (ML) was attained via introducing the nano-hydroxyapatite (nHA) particles into PLGA nanofibers during electrospinning. Morphological results such as surface topography, nanofiber size, and pore size distribution, showed that the SL exhibited a dense structure with pore size mainly from 4 to 7 μm. In contrast, the ML possessed a loosely packed structure with pore size mainly from 20 to 28 μm, which was beneficial to the infiltration of the cells. Fourier transform infrared spectroscopy (FTIR), Energy dispersive spectrometer (EDS), and X-ray diffractometry (XRD) results showed that nHA particles were evenly loaded in PLGA nanofibers. In vitro biodegradation tests suggested that the bi-layered membrane possessed a proper degradation timeframe, which must function for at least 4 to 6 weeks. The cell experiments indicated that the bi-layered electrospun membrane possessed good cytocompatibility and proved the effective barrier potency of the small-sized pore layer. Furthermore, as revealed by the alkaline phosphate activity test, the PLGA/nHA layer possessed an improved osteogenic capacity for Human osteosarcoma cells (MG63). These results indicate that the bi-layered electrospun membrane may have potential for periodontal tissue regeneration.
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Affiliation(s)
- Meiling Zhong
- School of Materials Science and Engineering, East China Jiaotong University, Nanchang, Jiangxi, China
| | - Jixia Lin
- School of Materials Science and Engineering, East China Jiaotong University, Nanchang, Jiangxi, China
| | - Zhimin He
- School of Materials Science and Engineering, East China Jiaotong University, Nanchang, Jiangxi, China
| | - Wuchao Wu
- Department of Periodontology, Nanchang University Affiliated Stomatologcial Hospital, Nanchang, Jiangxi, China
| | - Dehui Ji
- School of Materials Science and Engineering, East China Jiaotong University, Nanchang, Jiangxi, China
| | - Richao Zhang
- School of Materials Science and Engineering, East China Jiaotong University, Nanchang, Jiangxi, China
| | - Jiali Zhang
- School of Materials Science and Engineering, East China Jiaotong University, Nanchang, Jiangxi, China
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31
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Zakaria H, El Kurdi R, Patra D. A Novel Study on the Self-Assembly Behavior of Poly(lactic- co-glycolic acid) Polymer Probed by Curcumin Fluorescence. ACS OMEGA 2022; 7:9551-9558. [PMID: 35350334 PMCID: PMC8945179 DOI: 10.1021/acsomega.1c06919] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/07/2021] [Accepted: 02/25/2022] [Indexed: 06/14/2023]
Abstract
Understanding the self-assembly behavior of block copolymers is of great importance due to their usefulness in a wide range of applications. In this work, the physical properties of poly(lactic-co-glycolic acid) (PLGA polymer) are studied for the first time in solution using the fluorescence technique and curcumin as a molecular probe. First, curcumin at a concentration of 2 μM was added to different concentrations of PLGA, and the fluorescence of curcumin was tracked. It was found that the critical micellar concentration (CMC) was equal to 0.31 g/L and the critical micellar temperature (CMT) was obtained to be 25 °C. Furthermore, an insight on the effect of NaCl salt on the CMC value of PLGA is assessed through curcumin probing. A decrease in the CMC has been observed with the increase in the concentration of NaCl, which could be due to the salting out effect. Moreover, in order to understand the aggregation behavior of PLGA in different solutions, CMC experiments were investigated using chloroform as a solvent. Results showed that the solvent does not affect the CMC value of the polymer; however, it only affects the shape of the obtained micelle forming a reversed micelle. Finally, fluorescence quenching of curcumin with hydrophobic cetyl-pyridinium bromide (CPB) and hydrophilic KI quenchers was established, where it was proved that curcumin is located near the hydrophobic pocket of the Stern layer of the PLGA micelle.
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32
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Mayilswamy N, Jaya Prakash N, Kandasubramanian B. Design and fabrication of biodegradable electrospun nanofibers loaded with biocidal agents. INT J POLYM MATER PO 2022. [DOI: 10.1080/00914037.2021.2021905] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Affiliation(s)
- Neelaambhigai Mayilswamy
- Department of Metallurgical and Materials Engineering, Defence Institute of Advanced Technology, Deemed University (DU), Pune, India
| | - Niranjana Jaya Prakash
- Department of Metallurgical and Materials Engineering, Defence Institute of Advanced Technology, Deemed University (DU), Pune, India
| | - Balasubramanian Kandasubramanian
- Department of Metallurgical and Materials Engineering, Defence Institute of Advanced Technology, Deemed University (DU), Pune, India
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33
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Adel IM, ElMeligy MF, Elkasabgy NA. Conventional and Recent Trends of Scaffolds Fabrication: A Superior Mode for Tissue Engineering. Pharmaceutics 2022; 14:306. [DOI: https:/doi.org/10.3390/pharmaceutics14020306] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/07/2023] Open
Abstract
Tissue regeneration is an auto-healing mechanism, initiating immediately following tissue damage to restore normal tissue structure and function. This falls in line with survival instinct being the most dominant instinct for any living organism. Nevertheless, the process is slow and not feasible in all tissues, which led to the emergence of tissue engineering (TE). TE aims at replacing damaged tissues with new ones. To do so, either new tissue is being cultured in vitro and then implanted, or stimulants are implanted into the target site to enhance endogenous tissue formation. Whichever approach is used, a matrix is used to support tissue growth, known as ‘scaffold’. In this review, an overall look at scaffolds fabrication is discussed, starting with design considerations and different biomaterials used. Following, highlights of conventional and advanced fabrication techniques are attentively presented. The future of scaffolds in TE is ever promising, with the likes of nanotechnology being investigated for scaffold integration. The constant evolvement of organoids and biofluidics with the eventual inclusion of organ-on-a-chip in TE has shown a promising prospect of what the technology might lead to. Perhaps the closest technology to market is 4D scaffolds following the successful implementation of 4D printing in other fields.
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34
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Conventional and Recent Trends of Scaffolds Fabrication: A Superior Mode for Tissue Engineering. Pharmaceutics 2022; 14:pharmaceutics14020306. [PMID: 35214038 PMCID: PMC8877304 DOI: 10.3390/pharmaceutics14020306] [Citation(s) in RCA: 24] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2021] [Revised: 01/19/2022] [Accepted: 01/24/2022] [Indexed: 12/16/2022] Open
Abstract
Tissue regeneration is an auto-healing mechanism, initiating immediately following tissue damage to restore normal tissue structure and function. This falls in line with survival instinct being the most dominant instinct for any living organism. Nevertheless, the process is slow and not feasible in all tissues, which led to the emergence of tissue engineering (TE). TE aims at replacing damaged tissues with new ones. To do so, either new tissue is being cultured in vitro and then implanted, or stimulants are implanted into the target site to enhance endogenous tissue formation. Whichever approach is used, a matrix is used to support tissue growth, known as ‘scaffold’. In this review, an overall look at scaffolds fabrication is discussed, starting with design considerations and different biomaterials used. Following, highlights of conventional and advanced fabrication techniques are attentively presented. The future of scaffolds in TE is ever promising, with the likes of nanotechnology being investigated for scaffold integration. The constant evolvement of organoids and biofluidics with the eventual inclusion of organ-on-a-chip in TE has shown a promising prospect of what the technology might lead to. Perhaps the closest technology to market is 4D scaffolds following the successful implementation of 4D printing in other fields.
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35
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Deshmukh SB, Kulandainathan AM, Murugavel K. A review on Biopolymer-derived Electrospun Nanofibers for Biomedical and Antiviral Applications. Biomater Sci 2022; 10:4424-4442. [DOI: 10.1039/d2bm00820c] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Unique aspects of polymer-derived nanofibers provide significant potential in the area of biomedical and health care applications. Much research has demonstrated several plausible nanofibers to overcome the modern-day challenges in...
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36
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Rosenboom JG, Langer R, Traverso G. Bioplastics for a circular economy. NATURE REVIEWS. MATERIALS 2022; 7:117-137. [PMID: 35075395 PMCID: PMC8771173 DOI: 10.1038/s41578-021-00407-8] [Citation(s) in RCA: 300] [Impact Index Per Article: 150.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 12/09/2021] [Indexed: 05/19/2023]
Abstract
Bioplastics - typically plastics manufactured from bio-based polymers - stand to contribute to more sustainable commercial plastic life cycles as part of a circular economy, in which virgin polymers are made from renewable or recycled raw materials. Carbon-neutral energy is used for production and products are reused or recycled at their end of life (EOL). In this Review, we assess the advantages and challenges of bioplastics in transitioning towards a circular economy. Compared with fossil-based plastics, bio-based plastics can have a lower carbon footprint and exhibit advantageous materials properties; moreover, they can be compatible with existing recycling streams and some offer biodegradation as an EOL scenario if performed in controlled or predictable environments. However, these benefits can have trade-offs, including negative agricultural impacts, competition with food production, unclear EOL management and higher costs. Emerging chemical and biological methods can enable the 'upcycling' of increasing volumes of heterogeneous plastic and bioplastic waste into higher-quality materials. To guide converters and consumers in their purchasing choices, existing (bio)plastic identification standards and life cycle assessment guidelines need revision and homogenization. Furthermore, clear regulation and financial incentives remain essential to scale from niche polymers to large-scale bioplastic market applications with truly sustainable impact.
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Affiliation(s)
- Jan-Georg Rosenboom
- Department of Chemical Engineering, Massachusetts Institute of Technology, Cambridge, MA USA
- Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA USA
- Division of Gastroenterology, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA USA
| | - Robert Langer
- Department of Chemical Engineering, Massachusetts Institute of Technology, Cambridge, MA USA
- Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA USA
| | - Giovanni Traverso
- Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA USA
- Division of Gastroenterology, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA USA
- Department of Mechanical Engineering, Massachusetts Institute of Technology, Cambridge, MA USA
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37
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Li H, Xu J, Hu J, Hu Q, Fang X, Sun ZJ, Xu Z, Zhang L. Sustained release of chlorogenic acid-loaded nanomicelles alleviates bone loss in mouse periodontitis. Biomater Sci 2022; 10:5583-5595. [DOI: 10.1039/d2bm01099b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Abstract Periodontitis is a prevalent chronic inflammatory disease that destroys the periodontal supporting tissues, impinges on oral health, and is correlative with an increased risk of systemic disease. Currently, the...
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38
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Huck O, Stutz C, Gegout PY, Özçelik H, Benkirane-Jessel N, Petit C, Batool F. Nanomedicine and Periodontal Regenerative Treatment. Dent Clin North Am 2021; 66:131-155. [PMID: 34794551 DOI: 10.1016/j.cden.2021.06.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
Current periodontal treatments aim to control bacterial infection and decrease inflammation. To optimize contemporary conventional treatments that present limitations owing to an inability to reach the lesion site, new methods are based on nanomedicine. Nanomedecine allows delivery of host-modulatory drugs or antibacterial molecules at the lesion site in an optimal concentration with decreased toxicity and risk of systemic side effects. Chitosan and polylactic-co-glycolic acid-loaded nanoparticles, carbon quantum dots, and mesoporous silicates open new perspectives in periodontitis management. The potential therapeutic impact of the main nanocarriers is discussed.
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Affiliation(s)
- Olivier Huck
- INSERM (French National Institute of Health and Medical Research), UMR 1260, Regenerative Nanomedicine, Fédération de Médecine Translationnelle de Strasbourg (FMTS), CRBS, 1 rue Eugène Boeckel, 67000 Strasbourg, France; Université de Strasbourg, Faculté de Chirurgie-dentaire, 8 rue Sainte-Elisabeth, 67000 Strasbourg, France; Pôle de médecine et chirurgie bucco-dentaire, Hôpitaux Universitaires de Strasbourg, Periodontology, 1 place de l'Hopital, 67000, Strasbourg, France.
| | - Céline Stutz
- INSERM (French National Institute of Health and Medical Research), UMR 1260, Regenerative Nanomedicine, Fédération de Médecine Translationnelle de Strasbourg (FMTS), CRBS, 1 rue Eugène Boeckel, 67000 Strasbourg, France
| | - Pierre-Yves Gegout
- INSERM (French National Institute of Health and Medical Research), UMR 1260, Regenerative Nanomedicine, Fédération de Médecine Translationnelle de Strasbourg (FMTS), CRBS, 1 rue Eugène Boeckel, 67000 Strasbourg, France; Université de Strasbourg, Faculté de Chirurgie-dentaire, 8 rue Sainte-Elisabeth, 67000 Strasbourg, France; Pôle de médecine et chirurgie bucco-dentaire, Hôpitaux Universitaires de Strasbourg, Periodontology, 1 place de l'Hopital, 67000, Strasbourg, France
| | - Hayriye Özçelik
- INSERM (French National Institute of Health and Medical Research), UMR 1260, Regenerative Nanomedicine, Fédération de Médecine Translationnelle de Strasbourg (FMTS), CRBS, 1 rue Eugène Boeckel, 67000 Strasbourg, France
| | - Nadia Benkirane-Jessel
- INSERM (French National Institute of Health and Medical Research), UMR 1260, Regenerative Nanomedicine, Fédération de Médecine Translationnelle de Strasbourg (FMTS), CRBS, 1 rue Eugène Boeckel, 67000 Strasbourg, France
| | - Catherine Petit
- INSERM (French National Institute of Health and Medical Research), UMR 1260, Regenerative Nanomedicine, Fédération de Médecine Translationnelle de Strasbourg (FMTS), CRBS, 1 rue Eugène Boeckel, 67000 Strasbourg, France; Université de Strasbourg, Faculté de Chirurgie-dentaire, 8 rue Sainte-Elisabeth, 67000 Strasbourg, France; Pôle de médecine et chirurgie bucco-dentaire, Hôpitaux Universitaires de Strasbourg, Periodontology, 1 place de l'Hopital, 67000, Strasbourg, France
| | - Fareeha Batool
- INSERM (French National Institute of Health and Medical Research), UMR 1260, Regenerative Nanomedicine, Fédération de Médecine Translationnelle de Strasbourg (FMTS), CRBS, 1 rue Eugène Boeckel, 67000 Strasbourg, France; Université de Strasbourg, Faculté de Chirurgie-dentaire, 8 rue Sainte-Elisabeth, 67000 Strasbourg, France
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39
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Nanocarriers as a Tool for the Treatment of Colorectal Cancer. Pharmaceutics 2021; 13:pharmaceutics13081321. [PMID: 34452282 PMCID: PMC8399070 DOI: 10.3390/pharmaceutics13081321] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2021] [Revised: 07/13/2021] [Accepted: 07/20/2021] [Indexed: 12/13/2022] Open
Abstract
Nanotechnology is a promising tool for the treatment of cancer. In the past decades, major steps have been made to bring nanotechnology into the clinic in the form of nanoparticle-based drug delivery systems. The great hope of drug delivery systems is to reduce the side effects of chemotherapeutics while simultaneously increasing the efficiency of the therapy. An increased treatment efficiency would greatly benefit the quality of life as well as the life expectancy of cancer patients. However, besides its many advantages, nanomedicines have to face several challenges and hurdles before they can be used for the effective treatment of tumors. Here, we give an overview of the hallmarks of cancer, especially colorectal cancer, and discuss biological barriers as well as how drug delivery systems can be utilized for the effective treatment of tumors and metastases.
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40
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PLGA/PLA-Based Long-Acting Injectable Depot Microspheres in Clinical Use: Production and Characterization Overview for Protein/Peptide Delivery. Int J Mol Sci 2021; 22:ijms22168884. [PMID: 34445587 PMCID: PMC8396256 DOI: 10.3390/ijms22168884] [Citation(s) in RCA: 61] [Impact Index Per Article: 20.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2021] [Revised: 08/14/2021] [Accepted: 08/16/2021] [Indexed: 12/20/2022] Open
Abstract
Over the past few decades, long acting injectable (LAI) depots of polylactide-co-glycolide (PLGA) or polylactic acid (PLA) based microspheres have been developed for controlled drug delivery to reduce dosing frequency and to improve the therapeutic effects. Biopharmaceuticals such as proteins and peptides are encapsulated in the microspheres to increase their bioavailability and provide a long release period (days or months) with constant drug plasma concentration. The biodegradable and biocompatible properties of PLGA/PLA polymers, including but not limited to molecular weight, end group, lactide to glycolide ratio, and minor manufacturing changes, could greatly affect the quality attributes of microsphere formulations such as release profile, size, encapsulation efficiency, and bioactivity of biopharmaceuticals. Besides, the encapsulated proteins/peptides are susceptible to harsh processing conditions associated with microsphere fabrication methods, including exposure to organic solvent, shear stress, and temperature fluctuations. The protein/peptide containing LAI microspheres in clinical use is typically prepared by double emulsion, coacervation, and spray drying techniques. The purpose of this review is to provide an overview of the formulation attributes and conventional manufacturing techniques of LAI microspheres that are currently in clinical use for protein/peptides. Furthermore, the physicochemical characteristics of the microsphere formulations are deliberated.
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41
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Mirzaeei S, Mansurian M, Asare-Addo K, Nokhodchi A. Metronidazole- and Amoxicillin-Loaded PLGA and PCL Nanofibers as Potential Drug Delivery Systems for the Treatment of Periodontitis: In Vitro and In Vivo Evaluations. Biomedicines 2021; 9:biomedicines9080975. [PMID: 34440179 PMCID: PMC8395018 DOI: 10.3390/biomedicines9080975] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2021] [Revised: 08/03/2021] [Accepted: 08/04/2021] [Indexed: 11/16/2022] Open
Abstract
The purpose of this study was to prepare poly (D-L) lactide-co-glycolide (PLGA) and poly ε-caprolactone (PCL) nanofibers containing metronidazole and amoxicillin using an electrospinning process as intrapocket sustained-release drug delivery systems for the treatment of periodontal diseases. Scanning electron microscopy showed that the drug containing PLGA and PCL nanofibers produced from the electrospinning process was uniform and bead-free in morphology. The obtained nanofibers had a strong structure and resisted external tension according to the tensiometry results. The cytotoxicity results indicated acceptable cell viability (>80%). Quantification by high-performance liquid chromatography showed almost complete in vitro drug release between 7 and 9 days, whereas 14 days were required for complete drug release in vivo. No significant signs of irritation or inflammatory reaction were detected after three weeks of subcutaneous implantation of nanofibers in the animal models, thus indicating suitable compatibility. The results therefore suggest that the designed nanofibers can be used as potential commercial formulations in the treatment of periodontitis as controlled-release intrapocket drug delivery systems that can increase patient compliance. This is due to their ability to reduce the frequency of administration from three times daily in a systemic manner to once weekly as local delivery.
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Affiliation(s)
- Shahla Mirzaeei
- Pharmaceutical Sciences Research Center, Health Institute, Kermanshah University of Medical Sciences, Kermanshah 6715847141, Iran
- Nano Drug Delivery Research Center, Health Technology Institute, Kermanshah University of Medical Sciences, Kermanshah 6715847141, Iran
- Correspondence: (S.M.); (A.N.); Tel.: +98-8334266780 (S.M.); +44-1273872811 (A.N.)
| | - Mahla Mansurian
- Student Research Committee, Kermanshah University of Medical Sciences, Kermanshah 6715847141, Iran;
| | - Kofi Asare-Addo
- Department of Pharmacy, University of Huddersfield, Huddersfield HD1 3DH, UK;
| | - Ali Nokhodchi
- Pharmaceutics Research Laboratory, School of Life Sciences, University of Sussex, Brighton BN1 9RH, UK
- Correspondence: (S.M.); (A.N.); Tel.: +98-8334266780 (S.M.); +44-1273872811 (A.N.)
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Malekpour Z, Akbari V, Varshosaz J, Taheri A. Preparation and characterization of poly (lactic-co-glycolic acid) nanofibers containing simvastatin coated with hyaluronic acid for using in periodontal tissue engineering. Biotechnol Prog 2021; 37:e3195. [PMID: 34296538 DOI: 10.1002/btpr.3195] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2021] [Revised: 07/04/2021] [Accepted: 07/18/2021] [Indexed: 01/02/2023]
Abstract
Periodontal diseases can lead to soft tissue defects. Tissue engineering can provide functional replacements for damaged tissues. Recently, electrospun nanofibers have attracted great interest for tissue engineering and drug delivery applications. This has been revealed that statins exhibit positive impacts on the proliferation and regeneration of periodontal tissues. Electrospun simvastatin loaded poly (lactic-co-glycolic acid) (SIM-PLGA-NF) were prepared using electrospinning technique. Optimal conditions for preparation of SIM-PLGA-NF (PLGA concentration of 30 wt%, voltage of 15 kV, and flow rate of 1.5 ml h-1 ) were identified using a 23 factorial design. The optimized SIM-PLGA-NFs (diameter of 640.2 ± 32.5 nm and simvastatin entrapment efficacy of 99.6 ± 1.5%) were surface modified with 1% w/v hyaluronic acid solution (1%HA- SIM-PLGA-NF) to improve their compatibility with fibroblasts and potential application as a periodontal tissue engineering scaffold. HA-SIM-PLGA NFs were analyzed using SEM, FTIR, and XRD. 1%HA-SIM-PLGA-NF had uniform, bead-free and interwoven morphology, which is similar to the extracellular matrix. The mechanical performance of SIM-PLGA-NFs and release profile of simvastatin from these nanofibers have been also greatly improved after coating with HA. In vitro cellular tests showed that the proliferation, adhesion, and differentiation of fibroblast cells positively enhanced on the surface of 1%HA- SIM-PLGA-NF. These results demonstrate the potential application of 1%HA-SIM-PLGA-NFs as a scaffold for periodontal tissue engineering.
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Affiliation(s)
- Zahra Malekpour
- Novel Drug Delivery Systems Research Center, Department of Pharmaceutics, Faculty of Pharmacy, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Vajihe Akbari
- Department of Pharmaceutical Biotechnology and Isfahan Pharmaceutical Research Center, Faculty of Pharmacy, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Jaleh Varshosaz
- Novel Drug Delivery Systems Research Center, Department of Pharmaceutics, Faculty of Pharmacy, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Azade Taheri
- Novel Drug Delivery Systems Research Center, Department of Pharmaceutics, Faculty of Pharmacy, Isfahan University of Medical Sciences, Isfahan, Iran
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Zhang Y, Hu L, Lin M, Cao S, Feng Y, Sun S. RhBMP-2-Loaded PLGA/Titanium Nanotube Delivery System Synergistically Enhances Osseointegration. ACS OMEGA 2021; 6:16364-16372. [PMID: 34235307 PMCID: PMC8246472 DOI: 10.1021/acsomega.1c00851] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/18/2021] [Accepted: 05/31/2021] [Indexed: 06/13/2023]
Abstract
Although Ti-based implants have been widely used, osseointegration failure can also be found between implants and the surrounding bone tissue, especially in aged patients or in patients with certain systemic diseases. Therefore, in this research, we establish a sustained rhBMP-2 delivery system on a titanium implant surface, an anodic oxidation TiO2 nanotube layer combined with the PLGA film, to enhance osseointegration. This designed system was characterized as follows: surface topography characterization by SEM and AFM; rhBMP-2 release; and the ability to influence MC3T3 cell adhesion, proliferation, and osteogenic differentiation in vitro. Additionally, we evaluated the ability of this system to generate new bone around implants in rabbit tibias by the histological assay and removal torque test. SEM and AFM showed that PLGA membranes were formed on the surfaces of TiO2 nanotube arrays using 1, 3, and 10% PLGA solutions. The 3% PLGA group showed a perfect sustained release of rhBMP-2, lasting for 28 days. Meanwhile, the 3% PLGA group showed improved cell proliferation and osteogenic mRNA expression levels. In the in vivo experiments, the 3% PLGA group had the ability to promote osteogenesis in experimental animals. The anodized TiO2 nanotube coated with a certain thickness of the PLGA layer was an ideal and suitable rhBMP-2 carrier. This modified surface enhances osseointegration and could be useful in clinical dental implant treatment.
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Affiliation(s)
- Yilin Zhang
- Department
of Stomatology, Shandong Provincial Hospital
Affiliated to Shandong First Medical University, Jinan, Shandong 250021, China
- Department
of Stomatology, Shandong Provincial Hospital, Cheeloo College of Medicine, Shandong University, Jinan, Shandong 250021, China
| | - Lihua Hu
- Department
of Stomatology, Shandong Provincial Hospital
Affiliated to Shandong First Medical University, Jinan, Shandong 250021, China
- Department
of Stomatology, Shandong Provincial Hospital, Cheeloo College of Medicine, Shandong University, Jinan, Shandong 250021, China
| | - Meng Lin
- School
of Chemistry and Chemical Engineering, Shandong
University, Jinan 250012, China
| | - Shujie Cao
- School
and Hospital of Stomatology, Cheeloo College of Medicine, Shandong
Key Laboratory of Oral Tissue Regeneration & Shandong Engineering
Laboratory for Dental Materials and Oral Tissue Regeneration, Shandong University, Jinan, Shandong 250012, China
| | - Yiting Feng
- School
and Hospital of Stomatology, Cheeloo College of Medicine, Shandong
Key Laboratory of Oral Tissue Regeneration & Shandong Engineering
Laboratory for Dental Materials and Oral Tissue Regeneration, Shandong University, Jinan, Shandong 250012, China
| | - Shengjun Sun
- Department
of Prosthodontics, School and Hospital of Stomatology, Cheeloo College
of Medicine, Shandong Key Laboratory of Oral Tissue Regeneration &
Shandong Engineering Laboratory for Dental Materials and Oral Tissue
Regeneration, Shandong University, Jinan, Shandong 250012, China
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Falcon ND, Saeed A. Prefunctionalised PLGA microparticles with dimethylaminoethyl moieties promote surface cell adhesion at physiological condition. Eur Polym J 2021. [DOI: 10.1016/j.eurpolymj.2021.110466] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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Carvalho SG, Silvestre ALP, Martins Dos Santos A, Fonseca-Santos B, Rodrigues WD, Palmira Daflon Gremião M, Chorilli M, Villanova JCO. Polymeric-based drug delivery systems for veterinary use: State of the art. Int J Pharm 2021; 604:120756. [PMID: 34058307 DOI: 10.1016/j.ijpharm.2021.120756] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2021] [Revised: 05/11/2021] [Accepted: 05/26/2021] [Indexed: 01/03/2023]
Abstract
One of the challenges to the success of veterinary pharmacotherapy is the limited number of drugs and dosage forms available exclusively to this market, due to the interspecies variability of animals, such as anatomy, physiology, pharmacokinetics, and pharmacodynamics. For this reason, studies in this area have become a highlight, since they are still scarce in comparison with those on human drug use. To overcome many limitations related to the bioavailability, efficacy, and safety of pharmacotherapy in animals, especially livestock and domestic animals, polymers-based drug delivery systems are promising tools if they guarantee greater selectivity and less toxicity in dosage forms. In addition, these tools may be developed according to the great interspecies variability. To contribute to these discussions, this paper provides an updated review of the major polymer-based drug delivery systems projected for veterinary use. Traditional and innovative drug delivery systems based on polymers are presented, with an emphasis on films, microparticles, micelles, nanogels, nanoparticles, tablets, implants and hydrogel-based drug delivery systems. We discuss important concepts for the veterinarian about the mechanisms of drug release and, for the pharmacist, the advantages in the development of pharmaceutical forms for the animal population. Finally, challenges and opportunities are presented in the field of pharmaceutical dosage forms for veterinary use in response to the interests of the pharmaceutical industry.
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Affiliation(s)
- Suzana Gonçalves Carvalho
- School of Pharmaceutical Sciences, São Paulo State University, UNESP, Department of Drugs and Medicines, 14800-903 Araraquara, SP, Brazil.
| | - Amanda Letícia Polli Silvestre
- School of Pharmaceutical Sciences, São Paulo State University, UNESP, Department of Drugs and Medicines, 14800-903 Araraquara, SP, Brazil
| | - Aline Martins Dos Santos
- School of Pharmaceutical Sciences, São Paulo State University, UNESP, Department of Drugs and Medicines, 14800-903 Araraquara, SP, Brazil
| | - Bruno Fonseca-Santos
- Faculty of Pharmaceutical Sciences, University of Campinas (UNICAMP), 13083-871 Campinas, SP, Brazil
| | - Winner Duque Rodrigues
- School of Pharmaceutical Sciences, São Paulo State University, UNESP, Department of Drugs and Medicines, 14800-903 Araraquara, SP, Brazil
| | - Maria Palmira Daflon Gremião
- School of Pharmaceutical Sciences, São Paulo State University, UNESP, Department of Drugs and Medicines, 14800-903 Araraquara, SP, Brazil.
| | - Marlus Chorilli
- School of Pharmaceutical Sciences, São Paulo State University, UNESP, Department of Drugs and Medicines, 14800-903 Araraquara, SP, Brazil.
| | - Janaína Cecília Oliveira Villanova
- Laboratory of Pharmaceutical Production, Department of Pharmacy and Nutrition, Federal University of Espirito Santo (UFES), 29500-000 Alegre, ES, Brazil.
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Zheng X, Zhang P, Fu Z, Meng S, Dai L, Yang H. Applications of nanomaterials in tissue engineering. RSC Adv 2021; 11:19041-19058. [PMID: 35478636 PMCID: PMC9033557 DOI: 10.1039/d1ra01849c] [Citation(s) in RCA: 43] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2021] [Accepted: 05/13/2021] [Indexed: 12/19/2022] Open
Abstract
Recent advancement in nanotechnology has brought prominent benefits in tissue engineering, which has been used to repair or reconstruct damaged tissues or organs and design smart drug delivery systems. With numerous applications of nanomaterials in tissue engineering, it is vital to choose appropriate nanomaterials for different tissue engineering applications because of the tissue heterogeneity. Indeed, the use of nanomaterials in tissue engineering is directly determined by the choice. In this review, we mainly introduced the use of nanomaterials in tissue engineering. First, the basic characteristics, preparation and characterization methods of the types of nanomaterials are introduced briefly, followed by a detailed description of the application and research progress of nanomaterials in tissue engineering and drug delivery. Finally, the existing challenges and prospects for future applications of nanomaterials in tissue engineering are discussed. Scientific description about the types, synthesis, functionalization, characterization application, challenges and prospects of nanomaterials in tissue engineering.![]()
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Affiliation(s)
- Xinmin Zheng
- School of Life Sciences, Northwestern Polytechnical University Xi'an 710072 P. R. China
| | - Pan Zhang
- School of Life Sciences, Northwestern Polytechnical University Xi'an 710072 P. R. China
| | - Zhenxiang Fu
- Institute of Medical Research, Northwestern Polytechnical University Xi'an 710072 P. R. China
| | - Siyu Meng
- Institute of Medical Research, Northwestern Polytechnical University Xi'an 710072 P. R. China
| | - Liangliang Dai
- Institute of Medical Research, Northwestern Polytechnical University Xi'an 710072 P. R. China
| | - Hui Yang
- School of Life Sciences, Northwestern Polytechnical University Xi'an 710072 P. R. China
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Olaru M, Sachelarie L, Calin G. Hard Dental Tissues Regeneration-Approaches and Challenges. MATERIALS 2021; 14:ma14102558. [PMID: 34069265 PMCID: PMC8156070 DOI: 10.3390/ma14102558] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/30/2021] [Revised: 05/10/2021] [Accepted: 05/13/2021] [Indexed: 12/13/2022]
Abstract
With the development of the modern concept of tissue engineering approach and the discovery of the potential of stem cells in dentistry, the regeneration of hard dental tissues has become a reality and a priority of modern dentistry. The present review reports the recent advances on stem-cell based regeneration strategies for hard dental tissues and analyze the feasibility of stem cells and of growth factors in scaffolds-based or scaffold-free approaches in inducing the regeneration of either the whole tooth or only of its component structures.
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Affiliation(s)
- Mihaela Olaru
- “Petru Poni” Institute of Macromolecular Chemistry, 41 A Grigore Ghica Voda Alley, 700487 Iasi, Romania;
| | - Liliana Sachelarie
- Faculty of Medical Dentistry, “Apollonia” University of Iasi, 2 Muzicii Str., 700399 Iasi, Romania;
- Correspondence:
| | - Gabriela Calin
- Faculty of Medical Dentistry, “Apollonia” University of Iasi, 2 Muzicii Str., 700399 Iasi, Romania;
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48
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Ratri MC, Brilian AI, Setiawati A, Nguyen HT, Soum V, Shin K. Recent Advances in Regenerative Tissue Fabrication: Tools, Materials, and Microenvironment in Hierarchical Aspects. ADVANCED NANOBIOMED RESEARCH 2021. [DOI: 10.1002/anbr.202000088] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
Affiliation(s)
- Monica Cahyaning Ratri
- Department of Chemistry and Institute of Biological Interfaces Sogang University Seoul 04107 Republic of Korea
- Department of Chemistry Education Sanata Dharma University Yogyakarta 55281 Indonesia
| | - Albertus Ivan Brilian
- Department of Chemistry and Institute of Biological Interfaces Sogang University Seoul 04107 Republic of Korea
| | - Agustina Setiawati
- Department of Chemistry and Institute of Biological Interfaces Sogang University Seoul 04107 Republic of Korea
- Department of Life Science Sogang University Seoul 04107 Republic of Korea
- Faculty of Pharmacy Sanata Dharma University Yogyakarta 55281 Indonesia
| | - Huong Thanh Nguyen
- Department of Chemistry and Institute of Biological Interfaces Sogang University Seoul 04107 Republic of Korea
| | - Veasna Soum
- Department of Chemistry and Institute of Biological Interfaces Sogang University Seoul 04107 Republic of Korea
| | - Kwanwoo Shin
- Department of Chemistry and Institute of Biological Interfaces Sogang University Seoul 04107 Republic of Korea
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Gherasim O, Popescu-Pelin G, Florian P, Icriverzi M, Roseanu A, Mitran V, Cimpean A, Socol G. Bioactive Ibuprofen-Loaded PLGA Coatings for Multifunctional Surface Modification of Medical Devices. Polymers (Basel) 2021; 13:polym13091413. [PMID: 33925498 PMCID: PMC8123841 DOI: 10.3390/polym13091413] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2021] [Revised: 04/22/2021] [Accepted: 04/24/2021] [Indexed: 12/16/2022] Open
Abstract
To modulate the biofunctionality of implantable medical devices commonly used in clinical practice, their surface modification with bioactive polymeric coatings is an attractive and successful emerging strategy. Biodegradable coatings based on poly(lactic acid-co-glycolic acid), PLGA, represent versatile and safe candidates for surface modification of implantable biomaterials and devices, providing additional tunable ability for topical delivery of desired therapeutic agents. In the present study, Ibuprofen-loaded PLGA coatings (PLGA/IBUP) were obtained by using the dip-coating and drop-casting combined protocol. The composite materials demonstrated long-term drug release under biologically simulated dynamic conditions. Reversible swelling phenomena of polymeric coatings occurred in the first two weeks of testing, accompanied by the gradual matrix degradation and slow release of the therapeutic agent. Irreversible degradation of PLGA coatings occurred after one month, due to copolymer's hydrolysis (evidenced by chemical and structural modifications). After 30 days of dynamic testing, the cumulative release of IBUP was ~250 µg/mL. Excellent cytocompatibility was revealed on human-derived macrophages, fibroblasts and keratinocytes. The results herein evidence the promising potential of PLGA/IBUP coatings to be used for surface modification of medical devices, such as metallic implants and wound dressings.
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Affiliation(s)
- Oana Gherasim
- Lasers Department, National Institute for Lasers, Plasma and Radiation Physics, 409 Atomistilor Street, RO-077125 Magurele, Ilfov County, Romania; (O.G.); (G.P.-P.)
- Department of Science and Engineering of Oxide Materials and Nanomaterials, Faculty of Applied Chemistry and Materials Science, Politehnica University of Bucharest, 1-7 Gheorghe Polizu Street, RO-011061 Bucharest, Romania
| | - Gianina Popescu-Pelin
- Lasers Department, National Institute for Lasers, Plasma and Radiation Physics, 409 Atomistilor Street, RO-077125 Magurele, Ilfov County, Romania; (O.G.); (G.P.-P.)
| | - Paula Florian
- Ligand-Receptor Interactions Department, Institute of Biochemistry, Romanian Academy, 296 Splaiul Independentei, RO-060031 Bucharest, Romania; (P.F.); (M.I.); (A.R.)
| | - Madalina Icriverzi
- Ligand-Receptor Interactions Department, Institute of Biochemistry, Romanian Academy, 296 Splaiul Independentei, RO-060031 Bucharest, Romania; (P.F.); (M.I.); (A.R.)
| | - Anca Roseanu
- Ligand-Receptor Interactions Department, Institute of Biochemistry, Romanian Academy, 296 Splaiul Independentei, RO-060031 Bucharest, Romania; (P.F.); (M.I.); (A.R.)
| | - Valentina Mitran
- Department of Biochemistry and Molecular Biology, Faculty of Biology, University of Bucharest, 91-95 Splaiul Independentei, RO-050095 Bucharest, Romania; (V.M.); (A.C.)
| | - Anisoara Cimpean
- Department of Biochemistry and Molecular Biology, Faculty of Biology, University of Bucharest, 91-95 Splaiul Independentei, RO-050095 Bucharest, Romania; (V.M.); (A.C.)
| | - Gabriel Socol
- Lasers Department, National Institute for Lasers, Plasma and Radiation Physics, 409 Atomistilor Street, RO-077125 Magurele, Ilfov County, Romania; (O.G.); (G.P.-P.)
- Correspondence:
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Gierej A, Geernaert T, Van Vlierberghe S, Dubruel P, Thienpont H, Berghmans F. Challenges in the Fabrication of Biodegradable and Implantable Optical Fibers for Biomedical Applications. MATERIALS 2021; 14:ma14081972. [PMID: 33920842 PMCID: PMC8071099 DOI: 10.3390/ma14081972] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/18/2021] [Revised: 04/03/2021] [Accepted: 04/13/2021] [Indexed: 02/07/2023]
Abstract
The limited penetration depth of visible light in biological tissues has encouraged researchers to develop novel implantable light-guiding devices. Optical fibers and waveguides that are made from biocompatible and biodegradable materials offer a straightforward but effective approach to overcome this issue. In the last decade, various optically transparent biomaterials, as well as different fabrication techniques, have been investigated for this purpose, and in view of obtaining fully fledged optical fibers. This article reviews the state-of-the-art in the development of biocompatible and biodegradable optical fibers. Whilst several reviews that focus on the chemical properties of the biomaterials from which these optical waveguides can be made have been published, a systematic review about the actual optical fibers made from these materials and the different fabrication processes is not available yet. This prompted us to investigate the essential properties of these biomaterials, in view of fabricating optical fibers, and in particular to look into the issues related to fabrication techniques, and also to discuss the challenges in the use and operation of these optical fibers. We close our review with a summary and an outline of the applications that may benefit from these novel optical waveguides.
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Affiliation(s)
- Agnieszka Gierej
- Brussels Photonics (B-PHOT), Department of Applied Physics and Photonics, Vrije Universiteit Brussel and Flanders Make, Pleinlaan 2, B-1050 Brussels, Belgium; (T.G.); (S.V.V.); (H.T.); (F.B.)
- Correspondence:
| | - Thomas Geernaert
- Brussels Photonics (B-PHOT), Department of Applied Physics and Photonics, Vrije Universiteit Brussel and Flanders Make, Pleinlaan 2, B-1050 Brussels, Belgium; (T.G.); (S.V.V.); (H.T.); (F.B.)
| | - Sandra Van Vlierberghe
- Brussels Photonics (B-PHOT), Department of Applied Physics and Photonics, Vrije Universiteit Brussel and Flanders Make, Pleinlaan 2, B-1050 Brussels, Belgium; (T.G.); (S.V.V.); (H.T.); (F.B.)
- Polymer Chemistry and Biomaterials Group (PBM), Centre of Macromolecular Chemistry (CMaC), Department of Organic and Macromolecular Chemistry, Ghent University, Krijgslaan 281 S4-bis, B-9000 Ghent, Belgium;
| | - Peter Dubruel
- Polymer Chemistry and Biomaterials Group (PBM), Centre of Macromolecular Chemistry (CMaC), Department of Organic and Macromolecular Chemistry, Ghent University, Krijgslaan 281 S4-bis, B-9000 Ghent, Belgium;
| | - Hugo Thienpont
- Brussels Photonics (B-PHOT), Department of Applied Physics and Photonics, Vrije Universiteit Brussel and Flanders Make, Pleinlaan 2, B-1050 Brussels, Belgium; (T.G.); (S.V.V.); (H.T.); (F.B.)
| | - Francis Berghmans
- Brussels Photonics (B-PHOT), Department of Applied Physics and Photonics, Vrije Universiteit Brussel and Flanders Make, Pleinlaan 2, B-1050 Brussels, Belgium; (T.G.); (S.V.V.); (H.T.); (F.B.)
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