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Natarajan Sankar H, Shanmugam R, Anandan J. Green Synthesis of Euphorbia tirucalli-Mediated Titanium Dioxide Nanoparticles Against Wound Pathogens. Cureus 2024; 16:e53939. [PMID: 38469022 PMCID: PMC10925819 DOI: 10.7759/cureus.53939] [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: 01/19/2024] [Accepted: 02/09/2024] [Indexed: 03/13/2024] Open
Abstract
Background Wound infections caused by pathogens present a considerable global health challenge, resulting in extended healing durations, elevated healthcare expenses, and potential fatalities. Conventional approaches to managing wound pathogens have limitations such as antibiotic resistance, toxicity and allergic reactions. Consequently, there is a rising interest in exploring alternative strategies for preventing and treating wound infections. Titanium dioxide nanoparticles (TiO2NPs) have gained attention for their potential in wound healing, attributed to their distinctive properties, including antimicrobial and anti-inflammatory capabilities. Methods TiO2NPs synthesized through Euphorbia tirucalli were examined for their antibacterial potential against wound pathogens, using the Kirby-Bauer agar-well diffusion method and time-kill curve assay. Furthermore, the cytotoxic effect of the synthesized nanoparticles was evaluated through a brine shrimp lethality assay. Results Green-synthesized TiO2NPs demonstrated potent antimicrobial activity against tested wound pathogens, displaying a zone of inhibition against Pseudomonas aeruginosa (11 mm) and Escherichia coli (10 mm) at the highest concentration of 100 μg/mL. In the time-kill curve assay, the prepared TiO2NPs showed significant bactericidal activity against Pseudomonas aeruginosa followed by Escherichia coli. In the brine shrimp lethality assay, at the lowest concentration of 5 μg/mL of the prepared nanoparticles, 100% of the nauplii remained alive after 48 hours. Conclusion The results indicate that TiO2NPs synthesized using Euphorbia tirucalli extract exhibit potent antimicrobial activity against the tested wound pathogens. Moreover, the prepared nanoparticles exhibit lower toxicity, suggesting their potential use as an alternative to commercially available synthetic drugs.
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Affiliation(s)
- Haritha Natarajan Sankar
- Nanobiomedicine Lab, Centre for Global Health Research, Saveetha Medical College and Hospitals, Saveetha Institute of Medical and Technical Sciences, Chennai, IND
| | - Rajeshkumar Shanmugam
- Nanobiomedicine Lab, Centre for Global Health Research, Saveetha Medical College and Hospital, Saveetha Institute of Medical and Technical Sciences, Chennai, IND
| | - Jayasree Anandan
- Nanobiomedicine Lab, Centre for Global Health Research, Saveetha Medical College and Hospital, Saveetha Institute of Medical and Technical Sciences, Chennai, IND
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2
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Zheng Q, Chen C, Liu Y, Gao J, Li L, Yin C, Yuan X. Metal Nanoparticles: Advanced and Promising Technology in Diabetic Wound Therapy. Int J Nanomedicine 2024; 19:965-992. [PMID: 38293611 PMCID: PMC10826594 DOI: 10.2147/ijn.s434693] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2023] [Accepted: 12/14/2023] [Indexed: 02/01/2024] Open
Abstract
Diabetic wounds pose a significant challenge to public health, primarily due to insufficient blood vessel supply, bacterial infection, excessive oxidative stress, and impaired antioxidant defenses. The aforementioned condition not only places a significant physical burden on patients' prognosis, but also amplifies the economic strain on the medical system in treating diabetic wounds. Currently, the effectiveness of available treatments for diabetic wounds is limited. However, there is hope in the potential of metal nanoparticles (MNPs) to address these issues. MNPs exhibit excellent anti-inflammatory, antioxidant, antibacterial and pro-angiogenic properties, making them a promising solution for diabetic wounds. In addition, MNPs stimulate the expression of proteins that promote wound healing and serve as drug delivery systems for small-molecule drugs. By combining MNPs with other biomaterials such as hydrogels and chitosan, novel dressings can be developed and revolutionize the treatment of diabetic wounds. The present article provides a comprehensive overview of the research progress on the utilization of MNPs for treating diabetic wounds. Building upon this foundation, we summarize the underlying mechanisms involved in diabetic wound healing and discuss the potential application of MNPs as biomaterials for drug delivery. Furthermore, we provide an extensive analysis and discussion on the clinical implementation of dressings, while also highlighting future prospects for utilizing MNPs in diabetic wound management. In conclusion, MNPs represent a promising strategy for the treatment of diabetic wound healing. Future directions include combining other biological nanomaterials to synthesize new biological dressings or utilizing the other physicochemical properties of MNPs to promote wound healing. Synthetic biomaterials that contain MNPs not only play a role in all stages of diabetic wound healing, but also provide a stable physiological environment for the wound-healing process.
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Affiliation(s)
- Qinzhou Zheng
- College of Life Science, Mudanjiang Medical University, Mudanjiang, People’s Republic of China
| | - Cuimin Chen
- Changhai Clinical Research Unit, Shanghai Changhai Hospital, Naval Medical University, Shanghai, 200433, People’s Republic of China
| | - Yong Liu
- Center for Comparative Medicine, Mudanjiang Medical University, Mudanjiang, People’s Republic of China
| | - Jie Gao
- Changhai Clinical Research Unit, Shanghai Changhai Hospital, Naval Medical University, Shanghai, 200433, People’s Republic of China
| | - Luxin Li
- College of Life Science, Mudanjiang Medical University, Mudanjiang, People’s Republic of China
| | - Chuan Yin
- Department of Gastroenterology, Shanghai Changzheng Hospital, Naval Medical University, Shanghai, 200003, People’s Republic of China
| | - Xiaohuan Yuan
- College of Life Science, Mudanjiang Medical University, Mudanjiang, People’s Republic of China
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Singh S, Sharma K, Sharma H. Green Extracts with Metal-based Nanoparticles for Treating Inflammatory Diseases: A Review. Curr Drug Deliv 2024; 21:544-570. [PMID: 37278036 DOI: 10.2174/1567201820666230602164325] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2023] [Revised: 04/24/2023] [Accepted: 05/04/2023] [Indexed: 06/07/2023]
Abstract
Globally, high death rates and poor quality of life are caused mainly by inflammatory diseases. Corticosteroids, which may have systemic side effects and would enhance the risk of infection, are the common forms of therapy. The field of nanomedicine has created composite nanoparticles that carry a pharmacological carrier and target ligands for distribution to sites of inflammation with less systemic toxicity. However, their relatively large size often causes systemic clearance. An interesting approach is metal-based nanoparticles that naturally reduce inflammation. They are made not only to be small enough to pass through biological barriers but also to allow label-free monitoring of their interactions with cells. The following literature review discusses the mechanistic analysis of the anti-inflammatory properties of several metal-based nanoparticles, including gold, silver, titanium dioxide, selenium, and zinc oxide. Current research focuses on the mechanisms by which nanoparticles infiltrate cells and the anti-inflammatory techniques using herbal extracts-based nanoparticles. Additionally, it provides a brief overview of the literature on many environmentally friendly sources employed in nanoparticle production and the mechanisms of action of various nanoparticles.
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Affiliation(s)
- Sonia Singh
- Institute of Pharmaceutical Research GLA University, 17km Stone, NH-2, Mathura-Delhi Road Mathura, Chaumuhan, Uttar Pradesh-281406, India
| | - Khushi Sharma
- Institute of Pharmaceutical Research GLA University, 17km Stone, NH-2, Mathura-Delhi Road Mathura, Chaumuhan, Uttar Pradesh-281406, India
| | - Himanshu Sharma
- Department of Computer Engineering & Applications GLA University, 17km Stone, NH-2, Mathura-Delhi Road Mathura, Chaumuhan, Uttar Pradesh-281406, India
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4
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Bharat BS, Deepak T, Babu AR. Exploring the bioactivity of reduced graphene oxide and TiO 2 nanocomposite for the regenerative medicinal applications. Med Eng Phys 2023; 121:104061. [PMID: 37985022 DOI: 10.1016/j.medengphy.2023.104061] [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: 02/22/2023] [Revised: 10/04/2023] [Accepted: 10/11/2023] [Indexed: 11/22/2023]
Abstract
Millions of people globally suffer from issues related to chronic wounds due to infection, burn, obesity, and diabetes. Nanocomposite with antibacterial and anti-inflammatory properties is a promising material to promote wound healing. This investigation primarily aims to synthesize reduced graphene oxide and titanium dioxide (rGO@TiO2) nanocomposite for wound healing applications. The rGO@TiO2 nanocomposite was synthesized by the one-step hydrothermal technique, and the physicochemical characterization of synthesized nanocomposite was performed by X-ray diffraction, Fourier transforms infrared spectroscopy, Raman spectroscopy, scanning electron microscopy, transmission electron microscopy (TEM), energy-dispersive X-ray spectroscopy, and dynamic light scattering. Further, the nanocomposite antibacterial, cytotoxicity, and wound-healing properties were analyzed by disc diffusion method, MTT assay, and in vitro scratch assay, respectively. Based on the TEM images, the average particle size of TiO2 nanoparticles was around 9.26 ± 1.83 nm. The characteristics peak of Ti-O-Ti bonds was observed between 500 and 850 cm-1 in the Fourier transforms infrared spectrum. The Raman spectrum of graphene oxide (GO) was obtained for bands D and G at 1354 cm-1 and at 1593 cm-1, respectively. This GO peak intensity was reduced in rGO, revealing the oxygen functional group reduction. Moreover, the rGO@TiO2 nanocomposite exhibited dose-dependent antibacterial properties against the positive and negative bacterium. The cytotoxicity for 5-100 µg/mL of rGO@TiO2 nanocomposite was above the half-maximal inhibitory concentration value. The in vitro scratch assay for rGO@TiO2 indicates that the nanocomposite promotes cell proliferation and migration. The nanocomposite recovered the wound within 48 h. The rGO@TiO2 nanocomposite shows potential materials for wound healing applications.
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Affiliation(s)
- Bansod Sneha Bharat
- Department of Biotechnology and Medical Engineering, National Institute of Technology Rourkela, 769008, Odisha, India
| | - Thirumalai Deepak
- Department of Biotechnology and Medical Engineering, National Institute of Technology Rourkela, 769008, Odisha, India
| | - Anju R Babu
- Department of Biotechnology and Medical Engineering, National Institute of Technology Rourkela, 769008, Odisha, India.
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5
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Dam P, Celik M, Ustun M, Saha S, Saha C, Kacar EA, Kugu S, Karagulle EN, Tasoglu S, Buyukserin F, Mondal R, Roy P, Macedo MLR, Franco OL, Cardoso MH, Altuntas S, Mandal AK. Wound healing strategies based on nanoparticles incorporated in hydrogel wound patches. RSC Adv 2023; 13:21345-21364. [PMID: 37465579 PMCID: PMC10350660 DOI: 10.1039/d3ra03477a] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2023] [Accepted: 07/07/2023] [Indexed: 07/20/2023] Open
Abstract
The intricate, tightly controlled mechanism of wound healing that is a vital physiological mechanism is essential to maintaining the skin's natural barrier function. Numerous studies have focused on wound healing as it is a massive burden on the healthcare system. Wound repair is a complicated process with various cell types and microenvironment conditions. In wound healing studies, novel therapeutic approaches have been proposed to deliver an effective treatment. Nanoparticle-based materials are preferred due to their antibacterial activity, biocompatibility, and increased mechanical strength in wound healing. They can be divided into six main groups: metal NPs, ceramic NPs, polymer NPs, self-assembled NPs, composite NPs, and nanoparticle-loaded hydrogels. Each group shows several advantages and disadvantages, and which material will be used depends on the type, depth, and area of the wound. Better wound care/healing techniques are now possible, thanks to the development of wound healing strategies based on these materials, which mimic the extracellular matrix (ECM) microenvironment of the wound. Bearing this in mind, here we reviewed current studies on which NPs have been used in wound healing and how this strategy has become a key biotechnological procedure to treat skin infections and wounds.
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Affiliation(s)
- Paulami Dam
- Chemical Biology Laboratory, Department of Sericulture, Raiganj University North Dinajpur West Bengal India
| | - Merve Celik
- Biomedical Engineering Graduate Program, TOBB University of Economics and Technology Ankara 06560 Turkey
| | - Merve Ustun
- Graduate School of Sciences and Engineering, Koç University Istanbul 34450 Turkey
- Experimental Medicine Research and Application Center, University of Health Sciences Turkey Istanbul 34662 Turkey
| | - Sayantan Saha
- Chemical Biology Laboratory, Department of Sericulture, Raiganj University North Dinajpur West Bengal India
| | - Chirantan Saha
- Chemical Biology Laboratory, Department of Sericulture, Raiganj University North Dinajpur West Bengal India
| | - Elif Ayse Kacar
- Graduate Program of Tissue Engineering, Institution of Health Sciences, University of Health Sciences Turkey Istanbul Turkey
- Experimental Medicine Research and Application Center, University of Health Sciences Turkey Istanbul 34662 Turkey
| | - Senanur Kugu
- Graduate Program of Tissue Engineering, Institution of Health Sciences, University of Health Sciences Turkey Istanbul Turkey
- Experimental Medicine Research and Application Center, University of Health Sciences Turkey Istanbul 34662 Turkey
| | - Elif Naz Karagulle
- Biomedical Engineering Graduate Program, TOBB University of Economics and Technology Ankara 06560 Turkey
| | - Savaş Tasoglu
- Mechanical Engineering Department, School of Engineering, Koç University Istanbul Turkey
- Koç University Translational Medicine Research Center (KUTTAM), Koç University Istanbul Turkey
| | - Fatih Buyukserin
- Department of Biomedical Engineering, TOBB University of Economics and Technology Ankara 06560 Turkey
| | - Rittick Mondal
- Chemical Biology Laboratory, Department of Sericulture, Raiganj University North Dinajpur West Bengal India
| | - Priya Roy
- Department of Law, Raiganj University North Dinajpur West Bengal India
| | - Maria L R Macedo
- Laboratório de Purificação de Proteínas e suas Funções Biológicas, Universidade Federal de Mato Grosso do Sul, Cidade Universitária 79070900 Campo Grande Mato Grosso do Sul 70790160 Brazil
| | - Octávio L Franco
- S-inova Biotech, Programa de Pós-Graduação em Biotecnologia, Universidade Católica Dom Bosco Campo Grande 79117900 Brazil
- Centro de Análises Proteômicas e Bioquímicas, Pós-Graduação em Ciências Genômicas e Biotecnologia, Universidade Católica de Brasília Brasília DF Brazil
| | - Marlon H Cardoso
- Laboratório de Purificação de Proteínas e suas Funções Biológicas, Universidade Federal de Mato Grosso do Sul, Cidade Universitária 79070900 Campo Grande Mato Grosso do Sul 70790160 Brazil
- S-inova Biotech, Programa de Pós-Graduação em Biotecnologia, Universidade Católica Dom Bosco Campo Grande 79117900 Brazil
- Centro de Análises Proteômicas e Bioquímicas, Pós-Graduação em Ciências Genômicas e Biotecnologia, Universidade Católica de Brasília Brasília DF Brazil
| | - Sevde Altuntas
- Experimental Medicine Research and Application Center, University of Health Sciences Turkey Istanbul 34662 Turkey
- Department of Tissue Engineering, Institution of Health Sciences, University of Health Sciences Turkey Istanbul Turkey
| | - Amit Kumar Mandal
- Chemical Biology Laboratory, Department of Sericulture, Raiganj University North Dinajpur West Bengal India
- Centre for Nanotechnology Sciences (CeNS), Raiganj University North Dinajpur West Bengal India
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6
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Remaggi G, Bergamonti L, Graiff C, Ossiprandi MC, Elviri L. Rapid Prototyping of 3D-Printed AgNPs- and Nano-TiO 2-Embedded Hydrogels as Novel Devices with Multiresponsive Antimicrobial Capability in Wound Healing. Antibiotics (Basel) 2023; 12:1104. [PMID: 37508200 PMCID: PMC10376448 DOI: 10.3390/antibiotics12071104] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2023] [Revised: 06/19/2023] [Accepted: 06/22/2023] [Indexed: 07/30/2023] Open
Abstract
Two antimicrobial agents such as silver nanoparticles (AgNPs) and titanium dioxide (TiO2) have been formulated with natural polysaccharides (chitosan or alginate) to develop innovative inks for the rapid, customizable, and extremely accurate manufacturing of 3D-printed scaffolds useful as dressings in the treatment of infected skin wounds. Suitable chemical-physical properties for the applicability of these innovative devices were demonstrated through the evaluation of water content (88-93%), mechanical strength (Young's modulus 0.23-0.6 MPa), elasticity, and morphology. The antimicrobial tests performed against Staphylococcus aureus and Pseudomonas aeruginosa demonstrated the antimicrobial activities against Gram+ and Gram- bacteria of AgNPs and TiO2 agents embedded in the chitosan (CH) or alginate (ALG) macroporous 3D hydrogels (AgNPs MIC starting from 5 µg/mL). The biocompatibility of chitosan was widely demonstrated using cell viability tests and was higher than that observed for alginate. Constructs containing AgNPs at 10 µg/mL concentration level did not significantly alter cell viability as well as the presence of titanium dioxide; cytotoxicity towards human fibroblasts was observed starting with an AgNPs concentration of 100 µg/mL. In conclusions, the 3D-printed dressings developed here are cheap, highly defined, easy to manufacture and further apply in personalized antimicrobial medicine applications.
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Affiliation(s)
- Giulia Remaggi
- Food and Drug Department, University of Parma, Parco Area delle Scienze 27/a, 43124 Parma, Italy
| | - Laura Bergamonti
- Department of Chemistry, Life Sciences and Environmental Sustainability, University of Parma, Parco Area delle Scienze 17/A, 43124 Parma, Italy
| | - Claudia Graiff
- Department of Chemistry, Life Sciences and Environmental Sustainability, University of Parma, Parco Area delle Scienze 17/A, 43124 Parma, Italy
| | | | - Lisa Elviri
- Food and Drug Department, University of Parma, Parco Area delle Scienze 27/a, 43124 Parma, Italy
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7
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T A, Prabhu A, Baliga V, Bhat S, Thenkondar ST, Nayak Y, Nayak UY. Transforming Wound Management: Nanomaterials and Their Clinical Impact. Pharmaceutics 2023; 15:pharmaceutics15051560. [PMID: 37242802 DOI: 10.3390/pharmaceutics15051560] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2023] [Revised: 05/09/2023] [Accepted: 05/17/2023] [Indexed: 05/28/2023] Open
Abstract
Wound healing is a complex process that can be further complicated in chronic wounds, leading to prolonged healing times, high healthcare costs, and potential patient morbidity. Nanotechnology has shown great promise in developing advanced wound dressings that promote wound healing and prevent infection. The review article presents a comprehensive search strategy that was applied to four databases, namely Scopus, Web of Science, PubMed, and Google Scholar, using specific keywords and inclusion/exclusion criteria to select a representative sample of 164 research articles published between 2001 and 2023. This review article provides an updated overview of the different types of nanomaterials used in wound dressings, including nanofibers, nanocomposites, silver-based nanoparticles, lipid nanoparticles, and polymeric nanoparticles. Several recent studies have shown the potential benefits of using nanomaterials in wound care, including the use of hydrogel/nano silver-based dressings in treating diabetic foot wounds, the use of copper oxide-infused dressings in difficult-to-treat wounds, and the use of chitosan nanofiber mats in burn dressings. Overall, developing nanomaterials in wound care has complemented nanotechnology in drug delivery systems, providing biocompatible and biodegradable nanomaterials that enhance wound healing and provide sustained drug release. Wound dressings are an effective and convenient method of wound care that can prevent wound contamination, support the injured area, control hemorrhaging, and reduce pain and inflammation. This review article provides valuable insights into the potential role of individual nanoformulations used in wound dressings in promoting wound healing and preventing infections, and serves as an excellent resource for clinicians, researchers, and patients seeking improved healing outcomes.
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Affiliation(s)
- Ashwini T
- Department of Pharmaceutics, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education, Manipal 576104, Karnataka, India
| | - Ashlesh Prabhu
- Department of Pharmaceutics, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education, Manipal 576104, Karnataka, India
| | - Vishal Baliga
- Department of Pharmaceutics, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education, Manipal 576104, Karnataka, India
| | - Shreesha Bhat
- Department of Pharmaceutics, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education, Manipal 576104, Karnataka, India
| | - Siddarth T Thenkondar
- Department of Pharmaceutics, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education, Manipal 576104, Karnataka, India
| | - Yogendra Nayak
- Department of Pharmacology, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education, Manipal 576104, Karnataka, India
| | - Usha Y Nayak
- Department of Pharmaceutics, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education, Manipal 576104, Karnataka, India
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8
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Liu Y, Yi Y, Zhong C, Ma Z, Wang H, Dong X, Yu F, Li J, Chen Q, Lin C, Li X. Advanced bioactive nanomaterials for diagnosis and treatment of major chronic diseases. Front Mol Biosci 2023; 10:1121429. [PMID: 36776741 PMCID: PMC9909026 DOI: 10.3389/fmolb.2023.1121429] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2022] [Accepted: 01/17/2023] [Indexed: 01/27/2023] Open
Abstract
With the rapid innovation of nanoscience and technology, nanomaterials have also been deeply applied in the medical and health industry and become one of the innovative methods to treat many diseases. In recent years, bioactive nanomaterials have attracted extensive attention and have made some progress in the treatment of some major chronic diseases, such as nervous system diseases and various malignant tumors. Bioactive nanomaterials depend on their physical and chemical properties (crystal structure, surface charge, surface functional groups, morphology, and size, etc.) and direct produce biological activity and play to the role of the treatment of diseases, compared with the traditional nanometer pharmaceutical preparations, biological active nano materials don't exert effects through drug release, way more directly, also is expected to be more effective for the treatment of diseases. However, further studies are needed in the evaluation of biological effects, fate in vivo, structure-activity relationship and clinical transformation of bionanomaterials. Based on the latest research reports, this paper reviews the application of bioactive nanomaterials in the diagnosis and treatment of major chronic diseases and analyzes the technical challenges and key scientific issues faced by bioactive nanomaterials in the diagnosis and treatment of diseases, to provide suggestions for the future development of this field.
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Affiliation(s)
- Yongfei Liu
- Department of Urology, Longyan First Hospital Affiliated to Fujian Medical University, Longyan, China
| | - Yi Yi
- Department of Urology, Longyan First Hospital Affiliated to Fujian Medical University, Longyan, China,*Correspondence: Yi Yi,
| | - Chengqian Zhong
- Longyan First Hospital Affiliated to Fujian Medical University, Longyan, China
| | - Zecong Ma
- Department of Urology, Longyan First Hospital Affiliated to Fujian Medical University, Longyan, China
| | - Haifeng Wang
- Department of Urology, Longyan First Hospital Affiliated to Fujian Medical University, Longyan, China
| | - Xingmo Dong
- Department of Urology, Longyan First Hospital Affiliated to Fujian Medical University, Longyan, China
| | - Feng Yu
- Department of Urology, Longyan First Hospital Affiliated to Fujian Medical University, Longyan, China
| | - Jing Li
- Department of Urology, Longyan First Hospital Affiliated to Fujian Medical University, Longyan, China
| | - Qinqi Chen
- Department of Urology, Longyan First Hospital Affiliated to Fujian Medical University, Longyan, China
| | - Chaolu Lin
- Department of Urology, Longyan First Hospital Affiliated to Fujian Medical University, Longyan, China
| | - Xiaohong Li
- Longyan First Hospital Affiliated to Fujian Medical University, Longyan, China
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Li J, Sun X, Dai J, Yang J, Li L, Zhang Z, Guo J, Bai S, Zheng Y, Shi X. Biomimetic multifunctional hybrid sponge via enzymatic cross-linking to accelerate infected burn wound healing. Int J Biol Macromol 2023; 225:90-102. [PMID: 36509201 DOI: 10.1016/j.ijbiomac.2022.12.024] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2022] [Revised: 11/09/2022] [Accepted: 12/03/2022] [Indexed: 12/14/2022]
Abstract
Preparing sponge dressings with stable wet adhesion remains difficult in wound repair, especially in burn wounds with bleeding and large amounts of exudate. In this work, a multifunctional hybrid sponge dressing (DHGT+PHMB+TiO2NPs) with good wet adhesion was developed by combining biomimetic and enzymatic cross-linking reactions. The sponge dressing matrix (DHGT) was prepared by tyrosinase-catalyzed cross-linking of dopamine-modified hyaluronic acid (DOPA-HA) and gelatin. The multifunctional hybrid sponge dressing was obtained by loading polyhexamethylene biguanide (PHMB) and titanium dioxide nanoparticles (TiO2NPs) onto the DHGT matrix. The newly developed sponge dressing exhibited high mechanical properties, good wet adhesion, antibacterial activity, reactive oxygen species (ROS) scavenging, biocompatibility, and excellent hemostasis ability. In vivo studies showed that the multifunctional hybrid sponge dressing could significantly accelerate the healing of infected full-thickness burn wounds by inhibiting bacterial growth, accelerating skin tissue reepithelialization, collagen deposition, and angiogenesis, as well as regulating the expression of inflammatory factors and cytokines.
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Affiliation(s)
- Jingsi Li
- College of Biological Science and Engineering, Fuzhou University, No. 2 Xueyuan Road, Fuzhou 350108, China
| | - Xiaohan Sun
- College of Biological Science and Engineering, Fuzhou University, No. 2 Xueyuan Road, Fuzhou 350108, China
| | - Jiajia Dai
- College of Biological Science and Engineering, Fuzhou University, No. 2 Xueyuan Road, Fuzhou 350108, China
| | - Jianmin Yang
- College of Biological Science and Engineering, Fuzhou University, No. 2 Xueyuan Road, Fuzhou 350108, China; Fujian Key Laboratory of Medical Instrument and Pharmaceutical Technology, Fuzhou University, 10 No. 2 Xueyuan Road, Fuzhou 350108, China.
| | - Liang Li
- College of Biological Science and Engineering, Fuzhou University, No. 2 Xueyuan Road, Fuzhou 350108, China
| | - Zibo Zhang
- College of Biological Science and Engineering, Fuzhou University, No. 2 Xueyuan Road, Fuzhou 350108, China
| | - Jiadong Guo
- College of Biological Science and Engineering, Fuzhou University, No. 2 Xueyuan Road, Fuzhou 350108, China
| | - Shumeng Bai
- College of Biological Science and Engineering, Fuzhou University, No. 2 Xueyuan Road, Fuzhou 350108, China.
| | - Yunquan Zheng
- Fujian Key Laboratory of Medical Instrument and Pharmaceutical Technology, Fuzhou University, 10 No. 2 Xueyuan Road, Fuzhou 350108, China
| | - Xianai Shi
- College of Biological Science and Engineering, Fuzhou University, No. 2 Xueyuan Road, Fuzhou 350108, China; Fujian Key Laboratory of Medical Instrument and Pharmaceutical Technology, Fuzhou University, 10 No. 2 Xueyuan Road, Fuzhou 350108, China.
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10
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Prakashan D, Roberts A, Gandhi S. Recent advancement of nanotherapeutics in accelerating chronic wound healing process for surgical wounds and diabetic ulcers. Biotechnol Genet Eng Rev 2023:1-29. [PMID: 36641600 DOI: 10.1080/02648725.2023.2167432] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2022] [Accepted: 01/08/2023] [Indexed: 01/16/2023]
Abstract
One of the greatest challenges faced during surgical procedures is closing and healing of wounds, which are essential in the field of orthopaedics, trauma, intensive care and general surgery. One of the main causes of death has been linked to chronic wounds, especially in immunosuppressant or diabetic patients. Due to increasing chronic wound fatality along with different pathologies associated with them, the current therapeutic methods are insufficient which has established an eminent need for innovative techniques. Traditionally, wound healing was carried out using formulations and ointments containing silver combined with different biomaterial, but was found to be toxic. Hence, the advent of alternative nanomaterial-based therapeutics for effective wound healing have come into existence. In this review, we have discussed an overview of wound infections such as different wound types, the wound healing process, dressing of wounds and conventional therapies. Furthermore, we have explored various nanotechnological advances made in wound healing therapy which include the use of promising candidates such as organic, inorganic, hybrid nanoparticles/nanocomposites and synthetic/natural polymer-based nanofibers. This review further highlights nanomaterial-based applications for regeneration of tissue in wound healing and can provide a base for researchers worldwide to contribute to this advancing medical area of wound therapy.
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Affiliation(s)
- Drishya Prakashan
- DBT-National Institute of Animal Biotechnology (NIAB), Hyderabad, Telangana, India
- DBT-Regional Centre for Biotechnology (RCB), Faridabad, Haryana, India
| | - Akanksha Roberts
- DBT-National Institute of Animal Biotechnology (NIAB), Hyderabad, Telangana, India
- DBT-Regional Centre for Biotechnology (RCB), Faridabad, Haryana, India
| | - Sonu Gandhi
- DBT-National Institute of Animal Biotechnology (NIAB), Hyderabad, Telangana, India
- DBT-Regional Centre for Biotechnology (RCB), Faridabad, Haryana, India
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11
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Islam M, Karmakar PC, Tusher-Al-Arafat, Arifuzzaman M, Karim N, Akhtar N, Asaduzzaman SM. Human Amniotic Membrane and Titanium Dioxide Nanoparticle Derived Gel for Burn Wound Healing in a Rat Model. REGENERATIVE ENGINEERING AND TRANSLATIONAL MEDICINE 2022. [DOI: 10.1007/s40883-022-00280-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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12
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Mansoor A, Khurshid Z, Khan MT, Mansoor E, Butt FA, Jamal A, Palma PJ. Medical and Dental Applications of Titania Nanoparticles: An Overview. NANOMATERIALS (BASEL, SWITZERLAND) 2022; 12:nano12203670. [PMID: 36296859 PMCID: PMC9611494 DOI: 10.3390/nano12203670] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/29/2022] [Revised: 10/08/2022] [Accepted: 10/09/2022] [Indexed: 05/25/2023]
Abstract
Currently, titanium oxide (TiO2) nanoparticles are successfully employed in human food, drugs, cosmetics, advanced medicine, and dentistry because of their non-cytotoxic, non-allergic, and bio-compatible nature when used in direct close contact with the human body. These NPs are the most versatile oxides as a result of their acceptable chemical stability, lower cost, strong oxidation properties, high refractive index, and enhanced aesthetics. These NPs are fabricated by conventional (physical and chemical) methods and the latest biological methods (biological, green, and biological derivatives), with their advantages and disadvantages in this epoch. The significance of TiO2 NPs as a medical material includes drug delivery release, cancer therapy, orthopedic implants, biosensors, instruments, and devices, whereas their significance as a dental biomaterial involves dentifrices, oral antibacterial disinfectants, whitening agents, and adhesives. In addition, TiO2 NPs play an important role in orthodontics (wires and brackets), endodontics (sealers and obturating materials), maxillofacial surgeries (implants and bone plates), prosthodontics (veneers, crowns, bridges, and acrylic resin dentures), and restorative dentistry (GIC and composites).
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Affiliation(s)
- Afsheen Mansoor
- Department of Dental Material Sciences, School of Dentistry, Shaheed Zulfiqar Ali Bhutto Medical University, Islamabad 44080, Pakistan
| | - Zohaib Khurshid
- Department of Prosthodontics and Dental Implantology, College of Dentistry, King Faisal University, Al-Ahsa 31982, Saudi Arabia;
| | - Muhammad Talal Khan
- Department of Dental Biomaterials, Bakhtawar Amin Medical and Dental College, Multan 60650, Pakistan;
| | - Emaan Mansoor
- Islamic International Dental College, Riphah International University, Islamabad 44000, Pakistan;
| | - Faaz Ahmad Butt
- Department of Materials Engineering, NED University of Engineering & Technology, Karachi 74200, Pakistan;
| | - Asif Jamal
- Department of Microbiology, Quaid-i-Azam University, Islamabad 45320, Pakistan;
| | - Paulo J. Palma
- Center for Innovation and Research in Oral Sciences (CIROS), Faculty of Medicine, University of Coimbra, 3000-075 Coimbra, Portugal
- Institute of Endodontics, Faculty of Medicine, University of Coimbra, 3000-075 Coimbra, Portugal
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13
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Fabrication of Conductive Tissue Engineering Nanocomposite Films Based on Chitosan and Surfactant-Stabilized Graphene Dispersions. Polymers (Basel) 2022; 14:polym14183792. [PMID: 36145937 PMCID: PMC9503515 DOI: 10.3390/polym14183792] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2022] [Revised: 09/02/2022] [Accepted: 09/06/2022] [Indexed: 11/16/2022] Open
Abstract
Chitosan (CS)/graphene nanocomposite films with tunable biomechanics, electroconductivity and biocompatibility using polyvinylpyrrolidone (PVP) and Pluronic F108 (Plu) as emulsion stabilizers for the purpose of conductive tissue engineering were successfully obtained. In order to obtain a composite solution, aqueous dispersions of multilayered graphene stabilized with Plu/PVP were supplied with CS at a ratio of CS to stabilizers of 2:1, respectively. Electroconductive films were obtained by the solution casting method. The electrical conductivity, mechanical properties and in vitro and in vivo biocompatibility of the resulting films were assessed in relation to the graphene concentration and stabilizer type and they were close to that of smooth muscle tissue. According to the results of the in vitro cytotoxicity analysis, the films did not release soluble cytotoxic components into the cell culture medium. The high adhesion of murine fibroblasts to the films indicated the absence of contact cytotoxicity. In subcutaneous implantation in Wistar rats, we found that stabilizers reduced the brittleness of the chitosan films and the inflammatory response.
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14
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Huang HH, Chen ZH, Nguyen DT, Tseng CM, Chen CS, Chang JH. Blood Coagulation on Titanium Dioxide Films with Various Crystal Structures on Titanium Implant Surfaces. Cells 2022; 11:cells11172623. [PMID: 36078030 PMCID: PMC9454428 DOI: 10.3390/cells11172623] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2022] [Revised: 08/18/2022] [Accepted: 08/19/2022] [Indexed: 11/18/2022] Open
Abstract
Background: Titanium (Ti) is one of the most popular implant materials, and its surface titanium dioxide (TiO2) provides good biocompatibility. The coagulation of blood on Ti implants plays a key role in wound healing and cell growth at the implant site; however, researchers have yet to fully elucidate the mechanism underlying this process on TiO2. Methods: This study examined the means by which blood coagulation was affected by the crystal structure of TiO2 thin films (thickness < 50 nm), including anatase, rutile, and mixed anatase/rutile. The films were characterized in terms of roughness using an atomic force microscope, thickness using an X-ray photoelectron spectrometer, and crystal structure using transmission electron microscopy. The surface energy and dielectric constant of the surface films were measured using a contact angle goniometer and the parallel plate method, respectively. Blood coagulation properties (including clotting time, factor XII contact activation, fibrinogen adsorption, fibrin attachment, and platelet adhesion) were then assessed on the various test specimens. Results: All of the TiO2 films were similar in terms of surface roughness, thickness, and surface energy (hydrophilicity); however, the presence of rutile structures was associated with a higher dielectric constant, which induced the activation of factor XII, the formation of fibrin network, and platelet adhesion. Conclusions: This study provides detailed information related to the effects of TiO2 crystal structures on blood coagulation properties on Ti implant surfaces.
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Affiliation(s)
- Her-Hsiung Huang
- Department of Dentistry, National Yang Ming Chiao Tung University, Taipei 112, Taiwan
- Institute of Oral Biology, National Yang Ming Chiao Tung University, Taipei 112, Taiwan
- Department of Bioinformatics and Medical Engineering, Asia University, Taichung 413, Taiwan
- Department of Medical Research, China Medical University Hospital, China Medical University, Taichung 404, Taiwan
- Department of Stomatology, Taipei Veterans General Hospital, Taipei 112, Taiwan
- Department of Education and Research, Taipei City Hospital, Taipei 103, Taiwan
- Correspondence: (H.-H.H.); (C.-S.C.)
| | - Zhi-Hwa Chen
- Institute of Oral Biology, National Yang Ming Chiao Tung University, Taipei 112, Taiwan
| | - Diem Thuy Nguyen
- Department of Dentistry, National Yang Ming Chiao Tung University, Taipei 112, Taiwan
| | - Chuan-Ming Tseng
- Department of Materials Engineering and Center for Plasma and Thin Film Technologies, Ming Chi University of Technology, New Taipei City 243, Taiwan
| | - Chiang-Sang Chen
- Department of Orthopedics, Far Eastern Memorial Hospital, New Taipei City 220, Taiwan
- Department of Materials and Textiles, Asia Eastern University of Science and Technology, New Taipei City 220, Taiwan
- Correspondence: (H.-H.H.); (C.-S.C.)
| | - Jean-Heng Chang
- Dental Department, Cheng Hsin General Hospital, Taipei 112, Taiwan
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15
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Alklaf SA, Zhang S, Zhu J, Manirakiza B, Addo FG, Guo S, Alnadari F. Impacts of nano-titanium dioxide toward Vallisneria natans and epiphytic microbes. JOURNAL OF HAZARDOUS MATERIALS 2022; 436:129066. [PMID: 35739691 DOI: 10.1016/j.jhazmat.2022.129066] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/16/2022] [Revised: 04/24/2022] [Accepted: 05/01/2022] [Indexed: 06/15/2023]
Abstract
In this study, Vallisneria natans plants were exposed to 5 and 20 nm of titanium dioxide nanoparticles (TiO₂ NPs) anatase and 600-1000 nm of bulk at 5 and 20 mg/L for 30 days. SEM images and EDX spectra revealed that epiphytic biofilms were more prone to TiO₂ NPs adhesion than bare plant leaves. TiO₂ NPs injured plant leaf cells, ruptured epiphytic diatoms membranes and increased the ratio of free-living microbes. The TN, NH4⁺-N and NO3--N concentrations significantly decreased, respectively, by 44.9%, 33.6%, and 23.6% compared to bulk treatments after 30 days due to macrophyte damage and a decline in diversity of epiphytic bacterial community and abundance of nitrogen cycle bacteria. TiO₂ NPs size-dependent decrease in bacterial relative abundance was detected, including phylum Cyanobacteria, Planctomycetes, and Verrucomicrobia. Although TiO₂ NPs increased eukaryotic diversity and abundance, abundances of Bacillariophyceae and Vampyrellidae classes and Gastrotricha and Phragmoplastophyta phylum decreased significantly under TiO₂ NPs exposure compared to bulk and control. TiO₂ NPs reduced intensities of interaction relationships among epiphytic microbial genera. This study shed new light on the potential effects of TiO₂ NPs toxicity toward aquatic plants and epiphytic microbial communities and its impacts on nitrogen species removal in wetlands.
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Affiliation(s)
- Salah Alden Alklaf
- Ministry of Education Key Laboratory of Integrated Regulation and Resource Development on Shallow Lakes, College of Environment, Hohai University, Nanjing 210098, China
| | - Songhe Zhang
- Ministry of Education Key Laboratory of Integrated Regulation and Resource Development on Shallow Lakes, College of Environment, Hohai University, Nanjing 210098, China.
| | - Jianzhong Zhu
- Ministry of Education Key Laboratory of Integrated Regulation and Resource Development on Shallow Lakes, College of Environment, Hohai University, Nanjing 210098, China
| | - Benjamin Manirakiza
- Ministry of Education Key Laboratory of Integrated Regulation and Resource Development on Shallow Lakes, College of Environment, Hohai University, Nanjing 210098, China
| | - Felix Gyawu Addo
- Ministry of Education Key Laboratory of Integrated Regulation and Resource Development on Shallow Lakes, College of Environment, Hohai University, Nanjing 210098, China
| | - Shaozhuang Guo
- Ministry of Education Key Laboratory of Integrated Regulation and Resource Development on Shallow Lakes, College of Environment, Hohai University, Nanjing 210098, China
| | - Fawze Alnadari
- Department of Food Science and Engineering, College of Food Science and Technology, Nanjing Agricultural University, Nanjing 210095, Jiangsu, China
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16
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Development of PVA/Chitosan-g-Poly (N-vinyl imidazole)/TiO2/curcumin nanofibers as high-performance wound dressing. Carbohydr Polym 2022; 296:119956. [DOI: 10.1016/j.carbpol.2022.119956] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2022] [Revised: 07/28/2022] [Accepted: 08/02/2022] [Indexed: 12/29/2022]
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17
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Jari Litany RI, Praseetha PK. Tiny tots for a big-league in wound repair: Tools for tissue regeneration by nanotechniques of today. J Control Release 2022; 349:443-459. [PMID: 35835401 DOI: 10.1016/j.jconrel.2022.07.005] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2022] [Revised: 07/01/2022] [Accepted: 07/04/2022] [Indexed: 12/13/2022]
Abstract
Overall, chronic injuries place considerable burden on patients and health systems. The skin injuries are exposed to inflammatory bacteria and hinder the healing process. The skin being the biggest tissue of the whole body ensures protection against microbial invasion, dehydration, and against chemical, thermal, bright radiations and mechanical agents. When injured, the skin loses its defensive purpose and the attack of bacterial types arises with the loss of protein, water, and electrolytes. Improved wound closure therapy helps to restore normal skin function by managing wounds with the help of a suitable skin replacement. According to the type of wound and its healing ability, an appropriate skin replacement system must be identified. Nanofibrous layers because of their permeable structure, their large superficial reach and their similarity with the local extracellular network serve as cutaneous substitution for dealing with deep and superficial injuries. By a diminished microbial load without infestation, scab formation and infiltration of defense cells in the initial phase, acute injuries are usually characterized. Here recovery is related with epithelialization, angiogenesis and relocation of fibroblasts. The wound becomes obstinate when microbial biofilms are developed while the immune system does not manage to eliminate the infection. Increased inflammatory process, lower deep tissue oxygenation, fibrin cuffs, fibroblastic senescence, altered angiogenesis, stalled re-epithelialization and chronic infection have been visualized. Conventional wound mending treatments for the most part falling flat to supply a great clinical result, either basically like wound epithelialization and regulation of fluid loss or practically like histological highlights that decide versatility, strength, affectability, etc. Conventional wound therapies commonly fail to offer a better medical output, like wound epithelialization and regulation of fluid reduction or physiologically like cellular features that determine durability, sensitivity, elasticity, etc. Nanotechnology may be a dependable investigation space for wound-healing treatments through their versatile physicochemical properties. Advancing nano platforms with novel solutions for curing chronicdiabetic wounds are discussed in detail that can guide further research in this sector.
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Affiliation(s)
- R I Jari Litany
- Department of Nanotechnology, Noorul Islam Centre for Higher Education, Kumaracoil, Tamil Nadu 629180, India
| | - P K Praseetha
- Department of Nanotechnology, Noorul Islam Centre for Higher Education, Kumaracoil, Tamil Nadu 629180, India.
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18
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Moura FBRDE, Ferreira BA, Muniz EH, Santos RA, Gomide JAL, Justino AB, Silva ACA, Dantas NO, Ribeiro DL, Araújo FA, Espindola FS, Tomiosso TC. TiO2 Nanocrystals and Annona crassiflora Polyphenols Used Alone or Mixed Impact Differently on Wound Repair. AN ACAD BRAS CIENC 2022; 94:e20210230. [PMID: 35830083 DOI: 10.1590/0001-3765202220210230] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2021] [Accepted: 06/15/2021] [Indexed: 11/21/2022] Open
Abstract
Wounds treated with TiO2 nanoparticles (TiO2-NPs) show an improvement in healing time. However, little is known about the parameters that can contribute to this result. On the other hand, the treatment of wounds with polyphenols is widely known. These compounds are found in the peel of Annona crassiflora fruit and have antioxidant, analgesic and anti-inflammatory properties. In this study, we evaluated the healing effect of TiO2 nanocrystals (TiO2-NCs), polyphenolic fractions obtained from ethanolic extract of A. crassiflora fruit peel (PFAC) and mix (PFAC + TiO2-NCs) on the parameters of wound closure, inflammation, collagen deposition, metalloproteinase activity (MMPs) and angiogenesis. TiO2-NCs and PFAC have activity for wound healing, showed anti-inflammatory action and a shorter wound closure time. These treatments also contributed to increased collagen deposition, while only treatment with TiO2-NCs increased MMP-2 activity, parameters essential for the migration of keratinocytes and for complete restoration of the injured tissue. The combination of PFAC + TiO2-NCs reduced the effectiveness of individual treatments by intensifying the inflammatory process, in addition to delaying wound closure. We conclude that the interaction between the hydroxyl groups of PFAC polyphenols with TiO2-NCs may have contributed to difference in the healing activity of skin wounds.
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Affiliation(s)
- Francyelle B R DE Moura
- Universidade Federal de Uberlândia, Instituto de Ciências Biomédicas, Avenida Pará, 1720, Umuarama, 38400-902 Uberlândia, MG, Brazil.,Universidade Estadual de Campinas, Instituto de Biologia, Rua Monteiro Lobato, 255, Barão Geraldo, 13083-862 Campinas, SP, Brazil
| | - Bruno Antonio Ferreira
- Universidade Federal de Uberlândia, Instituto de Ciências Biomédicas, Avenida Pará, 1720, Umuarama, 38400-902 Uberlândia, MG, Brazil
| | - Elusca Helena Muniz
- Universidade Federal de Uberlândia, Instituto de Ciências Biomédicas, Avenida Pará, 1720, Umuarama, 38400-902 Uberlândia, MG, Brazil
| | - Rinara A Santos
- Universidade Federal de Uberlândia, Instituto de Ciências Biomédicas, Avenida Pará, 1720, Umuarama, 38400-902 Uberlândia, MG, Brazil
| | - José Augusto L Gomide
- Universidade Federal de Uberlândia, Instituto de Biotecnologia, Rua Acre, 1004, Umuarama, 38405-319 Uberlândia, MG, Brazil
| | - Allisson B Justino
- Universidade Federal de Uberlândia, Instituto de Biotecnologia, Rua Acre, 1004, Umuarama, 38405-319 Uberlândia, MG, Brazil
| | - Anielle Christine A Silva
- Universidade Federal de Alagoas, Laboratório de Novos Nanoestruturados e Funcionais, Instituto de Física, Avenida Lourival Melo Mota, s/n, Tabuleiro do Martins, 57072-900 Maceió, AL, Brazil.,Universidade Federal de Alagoas, Programa de Pós-Graduação da Rede Nordeste de Biotecnologia, Avenida Lourival Melo Mota, s/n, Tabuleiro do Martins, 57072-970 Maceió, AL, Brazil
| | - Noelio O Dantas
- Universidade Federal de Alagoas, Laboratório de Novos Nanoestruturados e Funcionais, Instituto de Física, Avenida Lourival Melo Mota, s/n, Tabuleiro do Martins, 57072-900 Maceió, AL, Brazil
| | - Daniele L Ribeiro
- Universidade Federal de Uberlândia, Instituto de Ciências Biomédicas, Avenida Pará, 1720, Umuarama, 38400-902 Uberlândia, MG, Brazil
| | - Fernanda A Araújo
- Universidade Federal de Uberlândia, Instituto de Ciências Biomédicas, Avenida Pará, 1720, Umuarama, 38400-902 Uberlândia, MG, Brazil
| | - Foued S Espindola
- Universidade Federal de Uberlândia, Instituto de Biotecnologia, Rua Acre, 1004, Umuarama, 38405-319 Uberlândia, MG, Brazil
| | - Tatiana Carla Tomiosso
- Universidade Federal de Uberlândia, Instituto de Ciências Biomédicas, Avenida Pará, 1720, Umuarama, 38400-902 Uberlândia, MG, Brazil.,Universidade Estadual de Campinas, Instituto de Biologia, Rua Monteiro Lobato, 255, Barão Geraldo, 13083-862 Campinas, SP, Brazil
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19
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Self-therapeutic metal-based nanoparticles for treating inflammatory diseases. Acta Pharm Sin B 2022; 13:1847-1865. [DOI: 10.1016/j.apsb.2022.07.009] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2022] [Revised: 07/06/2022] [Accepted: 07/12/2022] [Indexed: 02/07/2023] Open
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20
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Bakun P, Czarczynska-Goslinska B, Mlynarczyk DT, Musielak M, Mylkie K, Dlugaszewska J, Koczorowski T, Suchorska WM, Ziegler-Borowska M, Goslinski T, Krakowiak R. Gallic Acid-Functionalized, TiO 2-Based Nanomaterial-Preparation, Physicochemical and Biological Properties. MATERIALS 2022; 15:ma15124177. [PMID: 35744240 PMCID: PMC9228946 DOI: 10.3390/ma15124177] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/23/2022] [Revised: 06/06/2022] [Accepted: 06/08/2022] [Indexed: 11/16/2022]
Abstract
Wound healing and skin tissue regeneration remain the most critical challenges faced by medical professionals. Titanium(IV) oxide-based materials were proposed as components of pharmaceutical formulations for the treatment of difficult-to-heal wounds and unsightly scarring. A gallic acid-functionalized TiO2 nanomaterial (TiO2-GA) was obtained using the self-assembly technique and characterized using the following methods: scanning electron microscopy (SEM), transmission electron microscopy (TEM), nanoparticle tracking analysis (NTA), X-ray powder diffraction (XRPD), infrared spectroscopy (IR), Raman spectroscopy and thermogravimetry (TG). Additionally, physicochemical and biological tests (DPPH assay, Microtox® acute toxicity test, MTT assay) were performed to assess antioxidant properties as well as to determine the cytotoxicity of the novel material against eukaryotic (MRC-5 pd19 fibroblasts) and prokaryotic (Staphylococcus aureus, Escherichia coli, Candida albicans, Aliivibrio fischeri) cells. To determine the photocytotoxicity of the material, specific tests were carried out with and without exposure to visible light lamps (425 nm). Following the results, the TiO2-GA material could be considered an additive to dressings and rinsing suspensions for the treatment of difficult-to-heal wounds that are at risk of bacterial infections.
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Affiliation(s)
- Pawel Bakun
- Chair and Department of Chemical Technology of Drugs, Poznan University of Medical Sciences, Grunwaldzka 6, 60-780 Poznan, Poland; (D.T.M.); (T.K.); (R.K.)
- Doctoral School, Poznan University of Medical Sciences, Bukowska 70, 60-812 Poznan, Poland;
- Correspondence: (P.B.); (T.G.)
| | - Beata Czarczynska-Goslinska
- Chair and Department of Pharmaceutical Technology, Poznan University of Medical Sciences, Grunwaldzka 6, 60-780 Poznan, Poland;
| | - Dariusz T. Mlynarczyk
- Chair and Department of Chemical Technology of Drugs, Poznan University of Medical Sciences, Grunwaldzka 6, 60-780 Poznan, Poland; (D.T.M.); (T.K.); (R.K.)
| | - Marika Musielak
- Doctoral School, Poznan University of Medical Sciences, Bukowska 70, 60-812 Poznan, Poland;
- Department of Electroradiology, Poznan University of Medical Sciences, Garbary 15, 61-866 Poznan, Poland;
| | - Kinga Mylkie
- Faculty of Chemistry, Nicolaus Copernicus University in Torun, Gagarina 7, 87-100 Torun, Poland; (K.M.); (M.Z.-B.)
| | - Jolanta Dlugaszewska
- Chair and Department of Genetics and Pharmaceutical Microbiology, Poznan University of Medical Sciences, Swiecickiego 4, 60-781 Poznan, Poland;
| | - Tomasz Koczorowski
- Chair and Department of Chemical Technology of Drugs, Poznan University of Medical Sciences, Grunwaldzka 6, 60-780 Poznan, Poland; (D.T.M.); (T.K.); (R.K.)
| | - Wiktoria M. Suchorska
- Department of Electroradiology, Poznan University of Medical Sciences, Garbary 15, 61-866 Poznan, Poland;
| | - Marta Ziegler-Borowska
- Faculty of Chemistry, Nicolaus Copernicus University in Torun, Gagarina 7, 87-100 Torun, Poland; (K.M.); (M.Z.-B.)
| | - Tomasz Goslinski
- Chair and Department of Chemical Technology of Drugs, Poznan University of Medical Sciences, Grunwaldzka 6, 60-780 Poznan, Poland; (D.T.M.); (T.K.); (R.K.)
- Correspondence: (P.B.); (T.G.)
| | - Rafal Krakowiak
- Chair and Department of Chemical Technology of Drugs, Poznan University of Medical Sciences, Grunwaldzka 6, 60-780 Poznan, Poland; (D.T.M.); (T.K.); (R.K.)
- Doctoral School, Poznan University of Medical Sciences, Bukowska 70, 60-812 Poznan, Poland;
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21
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Conti Nibali V, D’Angelo G, Arena A, Ciofi C, Scandurra G, Branca C. TiO2 Nanoparticles Dispersion in Block-Copolymer Aqueous Solutions: Nanoarchitectonics for Self-Assembly and Aggregation. J Funct Biomater 2022; 13:jfb13020039. [PMID: 35466221 PMCID: PMC9036267 DOI: 10.3390/jfb13020039] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2022] [Revised: 04/04/2022] [Accepted: 04/07/2022] [Indexed: 02/04/2023] Open
Abstract
Achieving homogenous dispersion of nanoparticles inside a polymeric matrix is a great challenge for numerous applications. In the present study, we aim at understanding the role of different factors on the dispersion properties of TiO2 in pluronic F-127 mixtures. The mixtures were prepared with different pH and guest/host ratios and investigated by UV-Vis spectroscopy, dynamic light scattering, infrared spectroscopy and electrical conductivity. Depending on the preparation conditions, different amounts of TiO2 were loaded within the copolymer as quantitatively determined by UV-Vis spectroscopy. The different content of nanoparticles has direct implications on the gelation and micellization of pluronic analyzed by dynamic light scattering. The information derived on the self-assembly behavior was interpreted in relation to the infrared and conductivity measurements results. Together, these results shed light on the most favorable conditions for improving the nanoparticle dispersion inside the copolymer matrix and suggest a possible strategy to design functional nanoparticle-polymer systems.
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Affiliation(s)
- Valeria Conti Nibali
- Department of Mathematical and Computer Science, Physical Sciences and Earth Sciences, University of Messina, Viale F. Stagno d’Alcontres, 98166 Messina, Italy; (V.C.N.); (G.D.)
| | - Giovanna D’Angelo
- Department of Mathematical and Computer Science, Physical Sciences and Earth Sciences, University of Messina, Viale F. Stagno d’Alcontres, 98166 Messina, Italy; (V.C.N.); (G.D.)
| | - Antonella Arena
- Department of Engineering, University of Messina, Contrada di Dio, I-98166, 98166 Messina, Italy; (A.A.); (C.C.); (G.S.)
| | - Carmine Ciofi
- Department of Engineering, University of Messina, Contrada di Dio, I-98166, 98166 Messina, Italy; (A.A.); (C.C.); (G.S.)
| | - Graziella Scandurra
- Department of Engineering, University of Messina, Contrada di Dio, I-98166, 98166 Messina, Italy; (A.A.); (C.C.); (G.S.)
| | - Caterina Branca
- Department of Mathematical and Computer Science, Physical Sciences and Earth Sciences, University of Messina, Viale F. Stagno d’Alcontres, 98166 Messina, Italy; (V.C.N.); (G.D.)
- Correspondence: ; Tel.: +39-090-6765017
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22
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Ziauddin, Hussain T, Nazir A, Mahmood U, Hameed M, Ramakrishna S, Abid S. Nanoengineered therapeutic scaffolds for burn wound management. Curr Pharm Biotechnol 2022; 23:1417-1435. [PMID: 35352649 DOI: 10.2174/1389201023666220329162910] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2021] [Revised: 10/05/2021] [Accepted: 11/19/2021] [Indexed: 11/22/2022]
Abstract
BACKGROUND Wound healing is a complex process, and selecting an appropriate treatment is crucial and varies from one wound to another. Among injuries, burn wounds are more challenging to treat. Different dressings and scaffolds come into play when skin is injured. These scaffolds provide the optimum environment for wound healing. With the advancements of nanoengineering, scaffolds have been engineered to improve wound healing with lower fatality rates. OBJECTIVES Nanoengineered systems have emerged as one of the promising candidates for burn wound management. This review paper aims to provide an in-depth understanding of burn wounds and the role of nanoengineering in burn wound management. The advantages of nanoengineered scaffolds, their properties, and their proven effectiveness have been discussed. Nanoparticles and nanofibers-based nanoengineered therapeutic scaffolds provide optimum protection, infection management, and accelerated wound healing due to their unique characteristics. These scaffolds increase cell attachment and proliferation for desired results. RESULTS The literature review suggested that the utilization of nanoengineered scaffolds has accelerated burn wound healing. Nanofibers provide better cell attachment and proliferation among different nanoengineered scaffolds due to their 3D structure mimics the body's extracellular matrix. CONCLUSION With the application of these advanced nanoengineered scaffolds, better burn wound management is possible due to sustained drug delivery, better cell attachment, and an infection-free environment.
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Affiliation(s)
- Ziauddin
- Electrospun Materials & Polymeric Membranes Research Group, National Textile University, Pakistan
| | - Tanveer Hussain
- Electrospun Materials & Polymeric Membranes Research Group, National Textile University, Pakistan
| | - Ahsan Nazir
- Electrospun Materials & Polymeric Membranes Research Group, National Textile University, Pakistan
| | - Urwa Mahmood
- Electrospun Materials & Polymeric Membranes Research Group, National Textile University, Pakistan
| | - Misbah Hameed
- Department of Pharmaceutics, Faculty of pharmaceutical science, Government College University, Faisalabad, Pakistan
| | - Seeram Ramakrishna
- Center for Nanofibers & Nanotechnology (CNN), National University of Singapore (NUS), Singapore
| | - Sharjeel Abid
- Electrospun Materials & Polymeric Membranes Research Group, National Textile University, Pakistan
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Girija AR, Balasubramanian S, Cowin AJ. Nanomaterials-based drug delivery approaches for wound healing. Curr Pharm Des 2022; 28:711-726. [DOI: 10.2174/1381612828666220328121211] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2021] [Accepted: 02/11/2022] [Indexed: 11/22/2022]
Abstract
Abstract:
Wound healing is a complex and dynamic process that requires intricate synchronization between multiple cell types within appropriate extracellular microenvironment. Wound healing process involves four overlapping phases in a precisely regulated manner, consisting of hemostasis, inflammation, proliferation, and maturation. For an effective wound healing all four phases must follow in a sequential pattern within a time frame. Several factors might interfere with one or more of these phases in healing process, thus causing improper or impaired wound healing resulting in non-healing chronic wounds. The complications associated with chronic non-healing wounds, along with the limitations of existing wound therapies, have led to the development and emergence of novel and innovative therapeutic interventions. Nanotechnology presents unique and alternative approaches to accelerate the healing of chronic wounds by the interaction of nanomaterials during different phases of wound healing. This review focuses on recent innovative nanotechnology-based strategies for wound healing and tissue regeneration based on nanomaterials, including nanoparticles, nanocomposites and scaffolds. The efficacy of the intrinsic therapeutic potential of nanomaterials (including silver, gold, zinc oxide, copper, cerium oxide, etc.) and the ability of nanomaterials as carriers (liposomes, hydrogels, polymeric nanomaterials, nanofibers) as therapeutic agents associated with wound-healing applications have also been addressed. The significance of these nanomaterial-based therapeutic interventions for wound healing needs to be highlighted to engage researchers and clinicians towards this new and exciting area of bio-nanoscience. We believe that these recent developments will offer researchers an updated source on the use of nanomaterials as an advanced approach to improve wound healing.
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Agback P, Agback T, Dominguez F, Frolova EI, Seisenbaeva GA, Kessler VG. Site-specific recognition of SARS-CoV-2 nsp1 protein with a tailored titanium dioxide nanoparticle - elucidation of the complex structure using NMR data and theoretical calculation. NANOSCALE ADVANCES 2022; 4:1527-1532. [PMID: 36134379 PMCID: PMC9419012 DOI: 10.1039/d1na00855b] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/07/2021] [Accepted: 02/16/2022] [Indexed: 06/16/2023]
Abstract
The ongoing world-wide Severe Acute Respiratory Syndrome coronavirus 2 (SARS-CoV-2) pandemic shows the need for new potential sensing and therapeutic means against the CoV viruses. The SARS-CoV-2 nsp1 protein is important, both for replication and pathogenesis, making it an attractive target for intervention. In this study we investigated the interaction of this protein with two types of titania nanoparticles by NMR and discovered that while lactate capped particles essentially did not interact with the protein chain, the aminoalcohol-capped ones showed strong complexation with a distinct part of an ordered α-helix fragment. The structure of the forming complex was elucidated based on NMR data and theoretical calculation. To the best of our knowledge, this is the first time that a tailored titanium oxide nanoparticle was shown to interact specifically with a unique site of the full-length SARS-CoV-2 nsp1 protein, possibly interfering with its functionality.
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Affiliation(s)
- Peter Agback
- Department of Molecular Sciences, Swedish University of Agricultural Sciences Box 7015 SE-75007 Uppsala Sweden
| | - Tatiana Agback
- Department of Molecular Sciences, Swedish University of Agricultural Sciences Box 7015 SE-75007 Uppsala Sweden
| | - Francisco Dominguez
- Department of Microbiology, University of Alabama at Birmingham 1720 2nd Ave South Birmingham AL 35294 USA
| | - Elena I Frolova
- Department of Microbiology, University of Alabama at Birmingham 1720 2nd Ave South Birmingham AL 35294 USA
| | - Gulaim A Seisenbaeva
- Department of Molecular Sciences, Swedish University of Agricultural Sciences Box 7015 SE-75007 Uppsala Sweden
| | - Vadim G Kessler
- Department of Molecular Sciences, Swedish University of Agricultural Sciences Box 7015 SE-75007 Uppsala Sweden
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Shalaby MA, Anwar MM, Saeed H. Nanomaterials for application in wound Healing: current state-of-the-art and future perspectives. JOURNAL OF POLYMER RESEARCH 2022. [DOI: 10.1007/s10965-021-02870-x] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
AbstractNanoparticles are the gateway to the new era in drug delivery of biocompatible agents. Several products have emerged from nanomaterials in quest of developing practical wound healing dressings that are nonantigenic, antishear stress, and gas-exchange permeable. Numerous studies have isolated and characterised various wound healing nanomaterials and nanoproducts. The electrospinning of natural and synthetic materials produces fine products that can be mixed with other wound healing medications and herbs. Various produced nanomaterials are highly influential in wound healing experimental models and can be used commercially as well. This article reviewed the current state-of-the-art and briefly specified the future concerns regarding the different systems of nanomaterials in wound healing (i.e., inorganic nanomaterials, organic and hybrid nanomaterials, and nanofibers). This review may be a comprehensive guidance to help health care professionals identify the proper wound healing materials to avoid the usual wound complications.
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Hussain Z, Thu HE, Rawas-Qalaji M, Naseem M, Khan S, Sohail M. Recent developments and advanced strategies for promoting burn wound healing. J Drug Deliv Sci Technol 2022. [DOI: 10.1016/j.jddst.2022.103092] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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Fakhri S, Abdian S, Zarneshan SN, Moradi SZ, Farzaei MH, Abdollahi M. Nanoparticles in Combating Neuronal Dysregulated Signaling Pathways: Recent Approaches to the Nanoformulations of Phytochemicals and Synthetic Drugs Against Neurodegenerative Diseases. Int J Nanomedicine 2022; 17:299-331. [PMID: 35095273 PMCID: PMC8791303 DOI: 10.2147/ijn.s347187] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2021] [Accepted: 12/24/2021] [Indexed: 12/12/2022] Open
Abstract
As the worldwide average life expectancy has grown, the prevalence of age-related neurodegenerative diseases (NDDs) has risen dramatically. A progressive loss of neuronal function characterizes NDDs, usually followed by neuronal death. Inflammation, apoptosis, oxidative stress, and protein misfolding are critical dysregulated signaling pathways that mainly orchestrate neuronal damage from a mechanistic point. Furthermore, in afflicted families with genetic anomalies, mutations and multiplications of α-synuclein and amyloid-related genes produce some kinds of NDDs. Overproduction of such proteins, and their excessive aggregation, have been proven in various models of neuronal malfunction and death. In this line, providing multi-target therapies carried by novel delivery systems would pave the road to control NDDs through simultaneous modulation of such dysregulated pathways. Phytochemicals are multi-target therapeutic agents, which employ several mechanisms towards neuroprotection. Besides, the blood-brain barrier (BBB) is a critical issue in managing NDDs since it inhibits the accessibility of drugs to the brain in sufficient concentration. Besides, discovering novel delivery systems is vital to improving the efficacy, bioavailability, and pharmacokinetic of therapeutic agents. Such novel formulations are also employed to improve the drug's biodistribution, allow for the co-delivery of several medicines, and offer targeted intracellular delivery against NDDs. The present review proposes nanoformulations of phytochemicals and synthetic agents to combat NDDs by modulating neuroinflammation, neuroapoptosis, neuronal oxidative stress pathways and protein misfolding.
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Affiliation(s)
- Sajad Fakhri
- Pharmaceutical Sciences Research Center, Health Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Sadaf Abdian
- Student Research Committee, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | | | - Seyed Zachariah Moradi
- Pharmaceutical Sciences Research Center, Health Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran
- Medical Biology Research Center, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Mohammad Hosein Farzaei
- Pharmaceutical Sciences Research Center, Health Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Mohammad Abdollahi
- Toxicology and Diseases Group, Pharmaceutical Sciences Research Center (PSRC), The Institute of Pharmaceutical Sciences (TIPS), Tehran University of Medical Sciences, Tehran, Iran
- Department of Toxicology and Pharmacology, School of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran
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Kharaziha M, Baidya A, Annabi N. Rational Design of Immunomodulatory Hydrogels for Chronic Wound Healing. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2021; 33:e2100176. [PMID: 34251690 PMCID: PMC8489436 DOI: 10.1002/adma.202100176] [Citation(s) in RCA: 217] [Impact Index Per Article: 72.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/08/2021] [Revised: 03/03/2021] [Indexed: 05/03/2023]
Abstract
With all the advances in tissue engineering for construction of fully functional skin tissue, complete regeneration of chronic wounds is still challenging. Since immune reaction to the tissue damage is critical in regulating both the quality and duration of chronic wound healing cascade, strategies to modulate the immune system are of importance. Generally, in response to an injury, macrophages switch from pro-inflammatory to an anti-inflammatory phenotype. Therefore, controlling macrophages' polarization has become an appealing approach in regenerative medicine. Recently, hydrogels-based constructs, incorporated with various cellular and molecular signals, have been developed and utilized to adjust immune cell functions in various stages of wound healing. Here, the current state of knowledge on immune cell functions during skin tissue regeneration is first discussed. Recent advanced technologies used to design immunomodulatory hydrogels for controlling macrophages' polarization are then summarized. Rational design of hydrogels for providing controlled immune stimulation via hydrogel chemistry and surface modification, as well as incorporation of cell and molecules, are also dicussed. In addition, the effects of hydrogels' properties on immunogenic features and the wound healing process are summarized. Finally, future directions and upcoming research strategies to control immune responses during chronic wound healing are highlighted.
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Affiliation(s)
- Mahshid Kharaziha
- Department of Materials Engineering, Isfahan University of Technology, Isfahan, 84156-83111, Iran
| | - Avijit Baidya
- Chemical and Biomolecular Engineering, University of California - Los Angeles, Los Angeles, CA, 90095, USA
| | - Nasim Annabi
- Chemical and Biomolecular Engineering, University of California - Los Angeles, Los Angeles, CA, 90095, USA
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Modeling metal oxide nanoparticle GABA interactions: Complexation between the Keggin POM and γ-aminobutyric acid in the solid state and in solution influenced by additional ligands. Inorganica Chim Acta 2021. [DOI: 10.1016/j.ica.2021.120547] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Eldebany N, Abd Elkodous M, Tohamy H, Abdelwahed R, El-Kammar M, Abou-Ahmed H, Elkhenany H. Gelatin Loaded Titanium Dioxide and Silver Oxide Nanoparticles: Implication for Skin Tissue Regeneration. Biol Trace Elem Res 2021; 199:3688-3699. [PMID: 33200397 DOI: 10.1007/s12011-020-02489-x] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/24/2020] [Accepted: 11/09/2020] [Indexed: 10/23/2022]
Abstract
Treatment of burn wounds has many requirements to ensure wound closure with healthy tissue, increased vascularization, guarantee edema resolution, and control bacterial infection. We propose that titanium oxide (TiO2) nanoparticles (NPs) will be more efficient than silver dioxide (Ag2O) in the treatment of burn wounds. Herein, gelatin loaded NPs (GLT-NPs) were evaluated for their efficacy to regenerate second-degree burn wound in rabbit skin. TEM results revealed that the average particle sizes were ⁓ 7.5 and 17 nm for Ag2O and TiO2 NPs, respectively. The results of the in vivo application of GLT-NPs on burn wound in the rabbit revealed that both Ag2O and TiO2 NPs were efficient than the control none treated (CTRL) and GLT group. In terms of the healing rate, the GLT-TiO2 did not show any significant difference than GLT-Ag2O (99.57% vs. 99.85%, p = 0.2). Meanwhile, the healing rate was significantly higher in both NPs' treated groups than CTRL (94.16%, p < 0.01) and GLT group (95.07%, p < 0.05). Also, the histological analysis using H&E staining showed re-epithelization, less edema, and enhanced vascularization in both GLT-NPs than CTRL and GLT groups. Furthermore, immunohistochemical analysis of TGF-β1 and α-SMA revealed significantly a higher expression in both GLT-NPs groups than CTRL and GLT groups at weeks 1 and 2 (p < 0.05). Interestingly, TGF-β1 and α-SMA were substantially higher in GLT- TiO2 than GLT-Ag2O at weeks 1 and 2 (p < 0.05), but the expression was not significant at week 3. In conclusion, GLT-NPs showed higher regenerative capacity and enhanced the healing quality after burn wound compared to CTRL and GLT. Graphical abstract.
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Affiliation(s)
- Nermeen Eldebany
- Department of Surgery, Faculty of Veterinary Medicine, Alexandria University, Alexandria, 21944, Egypt
| | - Mohamed Abd Elkodous
- Department of Electrical and Electronic Information Engineering, Toyohashi University of Technology, 1-1 Hibarigaoka, Tempaku-cho, Toyohashi, Aichi, 441-8580, Japan
- Center for Nanotechnology (CNT), School of Engineering and Applied Sciences, Nile University, Giza, Egypt
| | - Hossam Tohamy
- Department of Pathology, Faculty of Veterinary Medicine, Alexandria University, Alexandria, 21944, Egypt
| | - Ramadan Abdelwahed
- Department of Surgery, Faculty of Veterinary Medicine, Alexandria University, Alexandria, 21944, Egypt
| | - Mahmoud El-Kammar
- Department of Surgery, Faculty of Veterinary Medicine, Alexandria University, Alexandria, 21944, Egypt
| | - Howaida Abou-Ahmed
- Department of Surgery, Faculty of Veterinary Medicine, Alexandria University, Alexandria, 21944, Egypt
| | - Hoda Elkhenany
- Department of Surgery, Faculty of Veterinary Medicine, Alexandria University, Alexandria, 21944, Egypt.
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Mahjoob M, Stochaj U. Curcumin nanoformulations to combat aging-related diseases. Ageing Res Rev 2021; 69:101364. [PMID: 34000462 DOI: 10.1016/j.arr.2021.101364] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2020] [Revised: 05/11/2021] [Accepted: 05/12/2021] [Indexed: 02/07/2023]
Abstract
Aging increases the susceptibility to a diverse set of diseases and disorders, including neurodegeneration, cancer, diabetes, and arthritis. Natural compounds are currently being explored as alternative or complementary agents to treat or prevent aging-related malfunctions. Curcumin, a phytochemical isolated from the spice turmeric, has garnered great interest in recent years. With anti-oxidant, anti-inflammatory, anti-microbial, and other physiological activities, curcumin has great potential for health applications. However, the benefits of curcumin are restricted by its low bioavailability and stability in biological systems. Curcumin nanoformulations, or nano-curcumin, may overcome these limitations. This review discusses different forms of nano-curcumin that have been evaluated in vitro and in vivo to treat or prevent aging-associated health impairments. We describe current barriers for the routine use of curcumin nanoformulations in the clinic. Our review highlights outstanding questions and future work that is needed to ensure nano-curcumin is efficient and safe to lessen the burden of aging-related health problems.
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Affiliation(s)
- Maryam Mahjoob
- Department of Physiology & Quantitative Life Sciences Program, McGill University, Montreal, QC, H3G 1Y6, Canada
| | - Ursula Stochaj
- Department of Physiology & Quantitative Life Sciences Program, McGill University, Montreal, QC, H3G 1Y6, Canada.
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32
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Active agents loaded extracellular matrix mimetic electrospun membranes for wound healing applications. J Drug Deliv Sci Technol 2021. [DOI: 10.1016/j.jddst.2021.102500] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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Svensson FG, Manivel VA, Seisenbaeva GA, Kessler VG, Nilsson B, Ekdahl KN, Fromell K. Hemocompatibility of Nanotitania-Nanocellulose Hybrid Materials. NANOMATERIALS 2021; 11:nano11051100. [PMID: 33923181 PMCID: PMC8146062 DOI: 10.3390/nano11051100] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/12/2021] [Revised: 04/18/2021] [Accepted: 04/21/2021] [Indexed: 01/01/2023]
Abstract
In order to develop a new type of improved wound dressing, we combined the wound healing properties of nanotitania with the advantageous dressing properties of nanocellulose to create three different hybrid materials. The hemocompatibility of the synthesized hybrid materials was evaluated in an in vitro human whole blood model. To our knowledge, this is the first study of the molecular interaction between hybrid nanotitania and blood proteins. Two of the hybrid materials prepared with 3 nm colloidal titania and 10 nm hydrothermally synthesized titania induced strong coagulation and platelet activation but negligible complement activation. Hence, they have great potential as a new dressing for promoting wound healing. Unlike the other two, the third hybrid material using molecular ammonium oxo-lactato titanate as a titania source inhibited platelet consumption, TAT generation, and complement activation, apparently via lowered pH at the surface interface. It is therefore suitable for applications where a passivating surface is desired, such as drug delivery systems and extracorporeal circuits. This opens the possibility for a tailored blood response through the surface functionalization of titania.
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Affiliation(s)
- Fredric G. Svensson
- Department of Molecular Sciences, Swedish University of Agricultural Sciences, P.O. Box 7015, SE-750 07 Uppsala, Sweden; (F.G.S.); (G.A.S.); (V.G.K.)
| | - Vivek Anand Manivel
- Rudbeck Laboratory C5:3, Department of Immunology, Genetics and Pathology, Uppsala University, SE-751 85 Uppsala, Sweden; (V.A.M.); (B.N.); (K.N.E.)
| | - Gulaim A. Seisenbaeva
- Department of Molecular Sciences, Swedish University of Agricultural Sciences, P.O. Box 7015, SE-750 07 Uppsala, Sweden; (F.G.S.); (G.A.S.); (V.G.K.)
| | - Vadim G. Kessler
- Department of Molecular Sciences, Swedish University of Agricultural Sciences, P.O. Box 7015, SE-750 07 Uppsala, Sweden; (F.G.S.); (G.A.S.); (V.G.K.)
| | - Bo Nilsson
- Rudbeck Laboratory C5:3, Department of Immunology, Genetics and Pathology, Uppsala University, SE-751 85 Uppsala, Sweden; (V.A.M.); (B.N.); (K.N.E.)
| | - Kristina N. Ekdahl
- Rudbeck Laboratory C5:3, Department of Immunology, Genetics and Pathology, Uppsala University, SE-751 85 Uppsala, Sweden; (V.A.M.); (B.N.); (K.N.E.)
- Linnæus Centre for Biomaterials Chemistry, Linnæus University, SE-391 82 Kalmar, Sweden
| | - Karin Fromell
- Rudbeck Laboratory C5:3, Department of Immunology, Genetics and Pathology, Uppsala University, SE-751 85 Uppsala, Sweden; (V.A.M.); (B.N.); (K.N.E.)
- Correspondence:
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Pormohammad A, Monych NK, Ghosh S, Turner DL, Turner RJ. Nanomaterials in Wound Healing and Infection Control. Antibiotics (Basel) 2021; 10:antibiotics10050473. [PMID: 33919072 PMCID: PMC8143158 DOI: 10.3390/antibiotics10050473] [Citation(s) in RCA: 40] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2021] [Revised: 04/14/2021] [Accepted: 04/19/2021] [Indexed: 01/05/2023] Open
Abstract
Wounds continue to be a serious medical concern due to their increasing incidence from injuries, surgery, burns and chronic diseases such as diabetes. Delays in the healing process are influenced by infectious microbes, especially when they are in the biofilm form, which leads to a persistent infection. Biofilms are well known for their increased antibiotic resistance. Therefore, the development of novel wound dressing drug formulations and materials with combined antibacterial, antibiofilm and wound healing properties are required. Nanomaterials (NM) have unique properties due to their size and very large surface area that leads to a wide range of applications. Several NMs have antimicrobial activity combined with wound regeneration features thus give them promising applicability to a variety of wound types. The idea of NM-based antibiotics has been around for a decade at least and there are many recent reviews of the use of nanomaterials as antimicrobials. However, far less attention has been given to exploring if these NMs actually improve wound healing outcomes. In this review, we present an overview of different types of nanomaterials explored specifically for wound healing properties combined with infection control.
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Affiliation(s)
- Ali Pormohammad
- Department of Biological Sciences, Faculty of Science, University of Calgary, 2500 University Dr. N.W., Calgary, AB T2N 1N4, Canada; (A.P.); (N.K.M.)
| | - Nadia K. Monych
- Department of Biological Sciences, Faculty of Science, University of Calgary, 2500 University Dr. N.W., Calgary, AB T2N 1N4, Canada; (A.P.); (N.K.M.)
| | - Sougata Ghosh
- Department of Microbiology, School of Science, RK University, Rajkot 360020, India;
| | - Diana L. Turner
- Department of Family Medicine, Cumming School of Medicine, University of Calgary, Calgary, AB T2N 1N4, Canada;
| | - Raymond J. Turner
- Department of Biological Sciences, Faculty of Science, University of Calgary, 2500 University Dr. N.W., Calgary, AB T2N 1N4, Canada; (A.P.); (N.K.M.)
- Correspondence: ; Tel.: +1-403-220-4308
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35
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Svensson FG, Kessler VG. Interaction between dopamine and the [HPW12O40]2−Keggin ion–an X-ray and NMR study. J Mol Struct 2021. [DOI: 10.1016/j.molstruc.2020.129343] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Salimi F, Mohammadipanah F. Nanomaterials Versus The Microbial Compounds With Wound Healing Property. FRONTIERS IN NANOTECHNOLOGY 2021. [DOI: 10.3389/fnano.2020.584489] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023] Open
Abstract
Age and diabetes related slow-healing or chronic wounds may result in morbidity and mortality through persistent biofilms infections and prolonged inflammatory phase. Nano-materials [metal/metal oxide NPs (39%), lipid vehicles (21%), polymer NPs (19%), ceramic nanoparticles (NPs) (14%), and carbon nanomaterials (NMs) (7%)] can be introduced as a possible next-generation therapy because of either their intrinsic wound healing activity or via carrying bioactive compounds including, antibiotics, antioxidants, growth factor or stem cell. The nanomaterials have been shown to implicate in all four stages of wound healing including hemostasis (polymer NPs, ceramic NPs, nanoceria-6.1%), inflammation (liposome/vesicles/solid lipid NPs/polymer NPs/ceramic NPs/silver NPs/gold NPs/nanoceria/fullerenes/carbon-based NPs-32.7%), proliferation (vesicles/liposome/solid lipid NPs/gold NPs/silver NPs/iron oxide NPs/ceramic NPs/copper NPs/self-assembling elastin-like NPs/nanoceria/micelle/dendrimers/polymer NPs-57.1%), remodeling (iron oxide NPs/nanoceria-4.1%). Natural compounds from alkaloids, flavonoids, retinoids, volatile oil, terpenes, carotenoids, or polyphenolic compounds with proven antioxidant, anti-inflammatory, immunomodulatory, or antimicrobial characteristics are also well known for their potential to accelerate the wound healing process. In the current paper, we survey the potential and properties of nanomaterials and microbial compounds in improving the process of wound and scar healing. Finally, we review the potential biocompounds for incorporation to nano-material in perspective to designate more effective or multivalent wound healing natural or nano-based drugs.
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Silk fibroin/collagen 3D scaffolds loaded with TiO2 nanoparticles for skin tissue regeneration. Polym Bull (Berl) 2020. [DOI: 10.1007/s00289-020-03475-y] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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de Lacerda Bukzem A, Dos Santos DM, Leite IS, Inada NM, Campana-Filho SP. Tuning the properties of carboxymethylchitosan-based porous membranes for potential application as wound dressing. Int J Biol Macromol 2020; 166:459-470. [PMID: 33127547 DOI: 10.1016/j.ijbiomac.2020.10.204] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2020] [Revised: 10/07/2020] [Accepted: 10/24/2020] [Indexed: 12/31/2022]
Abstract
Wound repair is a complex process that calls for strategies to allow a rapid and effective regeneration of injured skin, which has stimulated the research of advanced wound dressings. Herein, highly porous membranes of N,O-carboxymethylchitosan (CMCh), and poly (vinyl alcohol) (PVA) were successfully prepared via a green and facile freeze-drying method of blend solutions containing CMCh/PVA at weight ratio 25/75. Membranes composed only by CMCh were also prepared and genipin was used for crosslinking. Different contents of TiO2 nanoparticles were incorporated to both type of membranes, which were characterized in terms of morphology, porosity (Φ), swelling capacity (S.C.), mechanical properties, susceptibility to lysozyme degradation and in vitro cytotoxicity toward human fibroblast (HDFn) and keratinocytes (HaCaT) cells. Larger apparent pores were observed in the surface of the genipin-crosslinked CMCh membrane, which resulted in higher porosity (Φ ≈ 76%) and swelling capacity (S.C. ≈ 1720%) as compared to CMCh/PVA membrane (Φ ≈ 68%; S.C. ≈ 1660%). The porosity of both types of membranes decreased upon the addition of TiO2 nanoparticles while swelling capacity increased. Due to their high porosity and swelling capacity, adequate mechanical properties, controlled degradability, and cytocompatibility, such carboxymethylchitosan-based membranes are potentially useful as wound dressings.
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Affiliation(s)
- Andrea de Lacerda Bukzem
- Sao Carlos Institute of Chemistry/University of Sao Paulo, Av. Trabalhador sao-carlense, 400, 13566-590 Sao Carlos, São Paulo, Brazil
| | - Danilo Martins Dos Santos
- Nanotechnology National Laboratory for Agriculture (LNNA), Embrapa Instrumentação, 13560-970 São Carlos, SP, Brazil
| | - Ilaiáli Souza Leite
- Sao Carlos Institute of Physics, University of São Paulo, PO Box 369, 13560-970 São Carlos, São Paulo, Brazil
| | - Natalia Mayumi Inada
- Sao Carlos Institute of Physics, University of São Paulo, PO Box 369, 13560-970 São Carlos, São Paulo, Brazil
| | - Sérgio Paulo Campana-Filho
- Sao Carlos Institute of Chemistry/University of Sao Paulo, Av. Trabalhador sao-carlense, 400, 13566-590 Sao Carlos, São Paulo, Brazil.
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Kargozar S, Singh RK, Kim HW, Baino F. "Hard" ceramics for "Soft" tissue engineering: Paradox or opportunity? Acta Biomater 2020; 115:1-28. [PMID: 32818612 DOI: 10.1016/j.actbio.2020.08.014] [Citation(s) in RCA: 38] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2020] [Revised: 07/25/2020] [Accepted: 08/11/2020] [Indexed: 12/11/2022]
Abstract
Tissue engineering provides great possibilities to manage tissue damages and injuries in modern medicine. The involvement of hard biocompatible materials in tissue engineering-based therapies for the healing of soft tissue defects has impressively increased over the last few years: in this regard, different types of bioceramics were developed, examined and applied either alone or in combination with polymers to produce composites. Bioactive glasses, carbon nanostructures, and hydroxyapatite nanoparticles are among the most widely-proposed hard materials for treating a broad range of soft tissue damages, from acute and chronic skin wounds to complex injuries of nervous and cardiopulmonary systems. Although being originally developed for use in contact with bone, these substances were also shown to offer excellent key features for repair and regeneration of wounds and "delicate" structures of the body, including improved cell proliferation and differentiation, enhanced angiogenesis, and antibacterial/anti-inflammatory activities. Furthermore, when embedded in a soft matrix, these hard materials can improve the mechanical properties of the implant. They could be applied in various forms and formulations such as fine powders, granules, and micro- or nanofibers. There are some pre-clinical trials in which bioceramics are being utilized for skin wounds; however, some crucial questions should still be addressed before the extensive and safe use of bioceramics in soft tissue healing. For example, defining optimal formulations, dosages, and administration routes remain to be fixed and summarized as standard guidelines in the clinic. This review paper aims at providing a comprehensive picture of the use and potential of bioceramics in treatment, reconstruction, and preservation of soft tissues (skin, cardiovascular and pulmonary systems, peripheral nervous system, gastrointestinal tract, skeletal muscles, and ophthalmic tissues) and critically discusses their pros and cons (e.g., the risk of calcification and ectopic bone formation as well as the local and systemic toxicity) in this regard. STATEMENT OF SIGNIFICANCE: Soft tissues form a big part of the human body and play vital roles in maintaining both structure and function of various organs; however, optimal repair and regeneration of injured soft tissues (e.g., skin, peripheral nerve) still remain a grand challenge in biomedicine. Although polymers were extensively applied to restore the lost or injured soft tissues, the use of bioceramics has the potential to provides new opportunities which are still partially unexplored or at the very beginning. This reviews summarizes the state of the art of bioceramics in this field, highlighting the latest evolutions and the new horizons that can be opened by their use in the context of soft tissue engineering. Existing results and future challenges are discussed in order to provide an up-to-date contribution that is useful to both experienced scientists and early-stage researchers of the biomaterials community.
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Affiliation(s)
- Saeid Kargozar
- Tissue Engineering Research Group (TERG), Department of Anatomy and Cell Biology, School of Medicine, Mashhad University of Medical Sciences, Mashhad 917794-8564, Iran.
| | - Rajendra K Singh
- Institute of Tissue Regeneration Engineering (ITREN), Dankook University, Cheonan 330-714, Republic of Korea; Department of Nanobiomedical Science & BK21 PLUS NBM Global Research Center for Regenerative Medicine, Dankook University, Cheonan 330-714, Republic of Korea
| | - Hae-Won Kim
- Institute of Tissue Regeneration Engineering (ITREN), Dankook University, Cheonan 330-714, Republic of Korea; Department of Nanobiomedical Science & BK21 PLUS NBM Global Research Center for Regenerative Medicine, Dankook University, Cheonan 330-714, Republic of Korea; Department of Biomaterials Science, School of Dentistry, Dankook University, Cheonan 330-714, Republic of Korea; UCL Eastman-Korea Dental Medicine Innovation Centre, Dankook University, Cheonan 330-714, Republic of Korea.
| | - Francesco Baino
- Institute of Materials Physics and Engineering, Applied Science and Technology Department, Politecnico di Torino, Corso Duca degli Abruzzi 24, Torino 10129, Italy.
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Anton-Sales I, Roig-Sanchez S, Sánchez-Guisado MJ, Laromaine A, Roig A. Bacterial Nanocellulose and Titania Hybrids: Cytocompatible and Cryopreservable Cell Carriers. ACS Biomater Sci Eng 2020; 6:4893-4902. [PMID: 33455286 DOI: 10.1021/acsbiomaterials.0c00492] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Carrier-assisted cell transplantation offers new strategies to improve the clinical outcomes of cellular therapies. Bacterial nanocellulose (BC) is an emerging biopolymer that might be of great value in the development of animal-free, customizable, and temperature-stable novel cell carriers. Moreover, BC exhibits a myriad of modification possibilities to incorporate additional functionalities. Here, we have synthesized BC-titanium dioxide (TiO2) nanocomposites (BC/TiO2) to evaluate and compare the suitability of not only BC but also a model hybrid nanobiomaterial as cell transplantation supports. This work provides thorough information on the interactions between BC-based substrates and model human cells in terms of cell attachment, morphology, proliferation rate, and metabolic activity. Two methods to partially retrieve the adhered cells are also reported. Both BC and BC/TiO2 substrates are positively evaluated in terms of cytocompatibility and endotoxin content without detecting major differences between BC and BC nanocomposites. Lastly, the effective cryopreservation of cells-BC and cells-BC/TiO2 constructs, yielding high cell viability and intact cell carrier's characteristics after thawing, is demonstrated. Taken together, our results show that both BC and BC/TiO2 enable to integrate the processes of expansion and long-term storage of human cells in transportable, robust and easy to manipulate supports.
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Affiliation(s)
- Irene Anton-Sales
- Institute of Materials Science of Barcelona (ICMAB-CSIC), Campus UAB, 08193 Bellaterra, Catalonia, Spain
| | - Soledad Roig-Sanchez
- Institute of Materials Science of Barcelona (ICMAB-CSIC), Campus UAB, 08193 Bellaterra, Catalonia, Spain
| | | | - Anna Laromaine
- Institute of Materials Science of Barcelona (ICMAB-CSIC), Campus UAB, 08193 Bellaterra, Catalonia, Spain
| | - Anna Roig
- Institute of Materials Science of Barcelona (ICMAB-CSIC), Campus UAB, 08193 Bellaterra, Catalonia, Spain
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A V T, Mohanty S, Dinda AK, Koul V. Fabrication and evaluation of gelatin/hyaluronic acid/chondroitin sulfate/asiatic acid based biopolymeric scaffold for the treatment of second-degree burn wounds - Wistar rat model study. ACTA ACUST UNITED AC 2020; 15:055016. [PMID: 32252033 DOI: 10.1088/1748-605x/ab8721] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
An extracellular matrix (ECM) mimicking architecture was introduced with gelatin glycosaminoglycans like hyaluronic acid and chondroitin sulfate and a triterpenoid using asiatic acid, possessing biodegradable and biocompatible properties that mark the functionality for the treatment of second-degree burn wounds. In the present work, a foam-based scaffold was fabricated and sterilized with gamma radiation at a 2.5 Mrad dose. The scaffolds were further characterized for morphology, swelling, degradation behaviour, release of bioactive components, ATR-FTIR, mechanical, thermal properties and compared with control. In vitro cytocompatibility of the developed scaffold was studied with L929 mouse fibroblast cells and human mesenchymal stem cells based on deoxyribonucleic acid and lactate dehydrogenase assay. Additionally, the developed scaffold was evaluated for its biocompatibility on the Wistar rat to assess any toxicity induced to the animal based on blood biochemistry and histopathology analysis. Finally, we assessed the efficacy of developed foam scaffolds on the second-degree burn wound-induced Wistar rat with a scaffold alone and a scaffold seeded with human bone-marrow-derived mesenchymal stem cells in a wound healing study for 28 d. The wound contraction assay, histopathology, immunohistochemistry analysis and pro-healing marker quantification using hexosamine, hydroxyproline, and pro-inflammatory markers like TNF-α and MMP-2 were carried out and compared with the commercially available wound dressing. The results revealed that foam-based ECM mimic was cytocompatible, biocompatible and biodegradable in 18 ± 3 d in in vivo conditions and the scaffold fostered the process of healing of second-degree burns within 28 d of treatment. The obtained result proved that the scaffold has a potential for clinical settings in second-degree burn wound treatment.
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Affiliation(s)
- Thanusha A V
- Centre for Biomedical Engineering, Indian Institute of Technology Delhi, New Delhi, India. Biomedical Engineering Unit, All India Institute of Medical Sciences, New Delhi, India
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Mishra S, Daniele S. Molecular Engineering of Metal Alkoxides for Solution Phase Synthesis of High-Tech Metal Oxide Nanomaterials. Chemistry 2020; 26:9292-9303. [PMID: 32427371 DOI: 10.1002/chem.202000534] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2020] [Indexed: 01/22/2023]
Abstract
The 'bottom-up' synthesis of inorganic nanomaterials with precision at the atomic/molecular level offers many opportunities for the design and improvement of the nanomaterials for various applications. Molecular engineering during soft chemical processing for the synthesis of functional nanomaterials enables the desired chemical and physical properties of the precursors, such as solubility or volatility, clean decomposition, control of stoichiometry for multimetallic species to name a few, and leads to easy control of uniform particle size distribution, stoichiometry…. This Minireview illustrates some important aspects of the molecular engineering in light of some recent developments from the molecular synthesis of nanomaterials involving non-silicon metal alkoxide systems for high-tech applications.
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Affiliation(s)
- Shashank Mishra
- CNRS, IRCELYON, UMR 5256, Univ Lyon, Université Claude Bernard Lyon 1, 2 avenue Albert Einstein, 69626, Villeurbanne, France
| | - Stéphane Daniele
- C2P2-UMR 5265, ESCPE-Lyon, BP 2077, Univ Lyon, Université Claude Bernard Lyon 1, 69616, Villeurbanne, France
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Hanafy MS, Desoky WM, Hussein EM, El-Shaer NH, Gomaa M, Gamal AA, Esawy MA, Guirguis OW. Biological applications study of bio-nanocomposites based on chitosan/TiO 2 nanoparticles polymeric films modified by oleic acid. J Biomed Mater Res A 2020; 109:232-247. [PMID: 32496626 DOI: 10.1002/jbm.a.37019] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2019] [Revised: 04/24/2020] [Accepted: 05/03/2020] [Indexed: 02/03/2023]
Abstract
The aim of the present study was to prepare and characterize nanocomposite films to improve the treatment of skin wounds by applying the film as a bandage. To modify chitosan (Cs) and to prepare nanocomposites, a mixture between titanium dioxide nanoparticles (TiO2 NPs) was performed at different concentrations (2, 5, 10 and 15 wt%) and oleic acid (OA). The thin nanocomposite films were prepared by using casting method. The prepared films (Cs, Cs/TiO2 NPs, Cs/OA and Cs/OA/TiO2 NPs) were described by water absorption (swelling study) and biological degradation. Physico-chemical characterizations of Cs, Cs/OA, Cs/TiO2 NPs and Cs/OA/TiO2 NPs (with only 15 wt% TiO2 NPs) films were determined by X-ray diffraction, transmission high-resolution electron microscopy, field emission scanning electron microscopy, thermal analysis and Fourier transform infrared spectroscopy as well as their mechanical properties. Antimicrobial activity against microorganisms has been studied to assess activity against bacteria. The prepared nanocomposite films showed good antimicrobial activity for both Gram-positive and Gram-negative bacteria. The therapeutic effects of Cs-TiO2 NPs-oleic acid nanocomposites on healing excision wounds were studied in rat animal model. The data obtained revealed that groups treated with nanocomposites showed enhancement wound closure and speed up wound healing time.
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Affiliation(s)
- Magda S Hanafy
- Department of Physics, Biophysics Branch, Faculty of Science, Zagazig University, Zagazig, Egypt
| | - Waled M Desoky
- Department of Physics, Biophysics Branch, Faculty of Science, Zagazig University, Zagazig, Egypt
| | - Elham M Hussein
- Department of Physics, Biophysics Branch, Faculty of Science, Zagazig University, Zagazig, Egypt
| | - Nahla H El-Shaer
- Department of Zoology, Faculty of Science, Zagazig University, Zagazig, Egypt
| | - Mohamed Gomaa
- Department of Surgery, Faculty of Veterinary Medicine, Zagazig University, Zagazig, Egypt
| | - Amira A Gamal
- Department of Chemistry of Natural and Microbial Products, Pharmaceutical Industries Research Division, National Research Centre, Giza, Egypt
| | - Mona A Esawy
- Department of Chemistry of Natural and Microbial Products, Pharmaceutical Industries Research Division, National Research Centre, Giza, Egypt
| | - Osiris W Guirguis
- Department of Biophysics, Faculty of Science, Cairo University, Giza, Egypt
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Musial J, Krakowiak R, Mlynarczyk DT, Goslinski T, Stanisz BJ. Titanium Dioxide Nanoparticles in Food and Personal Care Products-What Do We Know about Their Safety? NANOMATERIALS (BASEL, SWITZERLAND) 2020; 10:E1110. [PMID: 32512703 PMCID: PMC7353154 DOI: 10.3390/nano10061110] [Citation(s) in RCA: 77] [Impact Index Per Article: 19.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/15/2020] [Revised: 05/29/2020] [Accepted: 06/01/2020] [Indexed: 02/07/2023]
Abstract
Titanium dioxide (TiO2) is a material of diverse applications commonly used as a food additive or cosmetic ingredient. Its prevalence in products of everyday use, especially in nanosize, raises concerns about safety. Current findings on the safety of titanium dioxide nanoparticles (TiO2 NPs) used as a food additive or a sunscreen compound are reviewed and systematized in this publication. Although some studies state that TiO2 NPs are not harmful to humans through ingestion or via dermal exposure, there is a considerable number of data that demonstrated their toxic effects in animal models. The final agreement on the safety of this nanomaterial has not yet been reached among researchers. There is also a lack of official, standardized guidelines for thorough characterization of TiO2 NPs in food and cosmetic products, provided by international authorities. Recent advances in the application of 'green-synthesized' TiO2 NPs, as well as comparative studies of the properties of 'biogenic' and 'traditional' nanoparticles, are presented. To conclude, perspectives and directions for further studies on the toxicity of TiO2 NPs are proposed.
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Affiliation(s)
- Joanna Musial
- Chair and Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Poznan University of Medical Sciences, Grunwaldzka 6, 60-780 Poznań, Poland;
| | - Rafal Krakowiak
- Chair and Department of Chemical Technology of Drugs, Faculty of Pharmacy, Poznan University of Medical Sciences, Grunwaldzka 6, 60-780 Poznań, Poland; (R.K.); (T.G.)
| | - Dariusz T. Mlynarczyk
- Chair and Department of Chemical Technology of Drugs, Faculty of Pharmacy, Poznan University of Medical Sciences, Grunwaldzka 6, 60-780 Poznań, Poland; (R.K.); (T.G.)
| | - Tomasz Goslinski
- Chair and Department of Chemical Technology of Drugs, Faculty of Pharmacy, Poznan University of Medical Sciences, Grunwaldzka 6, 60-780 Poznań, Poland; (R.K.); (T.G.)
| | - Beata J. Stanisz
- Chair and Department of Chemical Technology of Drugs, Faculty of Pharmacy, Poznan University of Medical Sciences, Grunwaldzka 6, 60-780 Poznań, Poland; (R.K.); (T.G.)
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Choudhury H, Pandey M, Lim YQ, Low CY, Lee CT, Marilyn TCL, Loh HS, Lim YP, Lee CF, Bhattamishra SK, Kesharwani P, Gorain B. Silver nanoparticles: Advanced and promising technology in diabetic wound therapy. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2020; 112:110925. [PMID: 32409075 DOI: 10.1016/j.msec.2020.110925] [Citation(s) in RCA: 70] [Impact Index Per Article: 17.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/27/2020] [Revised: 03/28/2020] [Accepted: 04/01/2020] [Indexed: 12/13/2022]
Abstract
Wounds associated with diabetes mellitus are the most severe co-morbidities, which could be progressed to cause cell necrosis leading to amputation. Statistics on the recent status of the diabetic wounds revealed that the disease affects 15% of diabetic patients, where 20% of them undergo amputation of their limb. Conventional therapies are found to be ineffective due to changes in the molecular architecture of the injured area, urging novel deliveries for effective treatment. Therefore, recent researches are on the development of new and effective wound care materials. Literature is evident in providing potential tools in topical drug delivery for wound healing under the umbrella of nanotechnology, where nano-scaffolds and nanofibers have shown promising results. The nano-sized particles are also known to promote healing of wounds by facilitating proper movement through the healing phases. To date, focuses have been made on the efficacy of silver nanoparticles (AgNPs) in treating the diabetic wound, where these nanoparticles are known to exploit potential biological properties in producing anti-inflammatory and antibacterial activities. AgNPs are also known to activate cellular mechanisms towards the healing of chronic wounds; however, associated toxicities of AgNPs are of great concern. This review is an attempt to illustrate the use of AgNPs in wound healing to facilitate this delivery system in bringing into clinical applications for a superior dressing and treatment over wounds and ulcers in diabetes patients.
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Affiliation(s)
- Hira Choudhury
- Department of Pharmaceutical Technology, School of Pharmacy, International Medical University, 57000 Kuala Lumpur, Malaysia.
| | - Manisha Pandey
- Department of Pharmaceutical Technology, School of Pharmacy, International Medical University, 57000 Kuala Lumpur, Malaysia
| | - Yan Qing Lim
- Bachelor of Pharmacy Student, School of Pharmacy, International Medical University, Kuala Lumpur 57000, Malaysia
| | - Chea Yee Low
- Bachelor of Pharmacy Student, School of Pharmacy, International Medical University, Kuala Lumpur 57000, Malaysia
| | - Cheng Teck Lee
- Bachelor of Pharmacy Student, School of Pharmacy, International Medical University, Kuala Lumpur 57000, Malaysia
| | - Tee Cheng Ling Marilyn
- Bachelor of Pharmacy Student, School of Pharmacy, International Medical University, Kuala Lumpur 57000, Malaysia
| | - Huai Seang Loh
- Bachelor of Pharmacy Student, School of Pharmacy, International Medical University, Kuala Lumpur 57000, Malaysia
| | - Yee Ping Lim
- Bachelor of Pharmacy Student, School of Pharmacy, International Medical University, Kuala Lumpur 57000, Malaysia
| | - Cheng Feng Lee
- Bachelor of Pharmacy Student, School of Pharmacy, International Medical University, Kuala Lumpur 57000, Malaysia
| | - Subrat Kumar Bhattamishra
- Department of Life Sciences, School of Pharmacy, International Medical University, Kuala Lumpur 57000, Malaysia
| | - Prashant Kesharwani
- Department of Pharmaceutics, School of Pharmaceutical Education and Research, Jamia Hamdard, New Delhi, India
| | - Bapi Gorain
- School of Pharmacy, Faculty of Health and Medical Science, Taylor's University, Subang Jaya, 47500, Selengor, Malaysia.
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Hasanzadeh Kafshgari M, Goldmann WH. Insights into Theranostic Properties of Titanium Dioxide for Nanomedicine. NANO-MICRO LETTERS 2020; 12:22. [PMID: 34138062 PMCID: PMC7770757 DOI: 10.1007/s40820-019-0362-1] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/01/2019] [Accepted: 12/08/2019] [Indexed: 05/02/2023]
Abstract
Titanium dioxide (TiO2) nanostructures exhibit a broad range of theranostic properties that make them attractive for biomedical applications. TiO2 nanostructures promise to improve current theranostic strategies by leveraging the enhanced quantum confinement, thermal conversion, specific surface area, and surface activity. This review highlights certain important aspects of fabrication strategies, which are employed to generate multifunctional TiO2 nanostructures, while outlining post-fabrication techniques with an emphasis on their suitability for nanomedicine. The biodistribution, toxicity, biocompatibility, cellular adhesion, and endocytosis of these nanostructures, when exposed to biological microenvironments, are examined in regard to their geometry, size, and surface chemistry. The final section focuses on recent biomedical applications of TiO2 nanostructures, specifically evaluating therapeutic delivery, photodynamic and sonodynamic therapy, bioimaging, biosensing, tissue regeneration, as well as chronic wound healing.
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Affiliation(s)
| | - Wolfgang H Goldmann
- Department of Physics, Biophysics Group, University of Erlangen-Nuremberg, 91052, Erlangen, Germany.
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Marsi TCO, Ricci R, Toniato TV, Vasconcellos LMR, Elias CDMV, Silva ADR, Furtado ASA, Magalhães LSSM, Silva-Filho EC, Marciano FR, Zille A, Webster TJ, Lobo AO. Electrospun Nanofibrous Poly (Lactic Acid)/Titanium Dioxide Nanocomposite Membranes for Cutaneous Scar Minimization. Front Bioeng Biotechnol 2019; 7:421. [PMID: 31921824 PMCID: PMC6932955 DOI: 10.3389/fbioe.2019.00421] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2019] [Accepted: 11/29/2019] [Indexed: 11/16/2022] Open
Abstract
Poly (lactic acid) (PLA) has been increasingly used in cutaneous tissue engineering due to its low cost, ease of handling, biodegradability, and biocompatibility, as well as its ability to form composites. However, these polymers possess a structure with nanoporous that mimic the cellular environment. In this study, nanocomposites are prepared using PLA and titanium dioxide (TiO2) (10 and 35%-w/w) nanoparticles that also function as an active anti-scarring agent. The nanocomposites were prepared using an electrospinning technique. Three different solutions were prepared as follows: PLA, 10% PLA/TiO2, and 35% PLA/TiO2 (w/w%). Electrospun PLA and PLA/TiO2 nanocomposites were characterized morphologically, structurally, and chemically using electron scanning microscopy, transmission electron microscopy, goniometry, and X-ray diffraction. L929 fibroblast cells were used for in vitro tests. The cytotoxic effect was evaluated using 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide assays. Versicam (VCAN), biglicam (BIG), interleukin-6 (IL6), interleukin-10 (IL-10), and type-1 collagen (COL1A1) genes were evaluated by RT-qPCR. In vivo tests using Wistar rats were conducted for up to 15 days. Nanofibrous fibers were obtained for all groups that did not contain residual solvents. No cytotoxic effects were observed for up to 168 h. The genes expressed showed the highest values of versican and collagen-1 (p < 0.05) for PLA/TiO2 nanocomposite scaffolds when compared to the control group (cells). Histological images showed that PLA at 10 and 35% w/w led to a discrete inflammatory infiltration and expression of many newly formed vessels, indicating increased metabolic activity of this tissue. To summarize, this study supported the potential of PLA/TiO2 nanocomposites ability to reduce cutaneous scarring in scaffolds.
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Affiliation(s)
- Teresa C. O. Marsi
- Institute of Research and Development, University of Vale Do Paraiba, São José dos Campos, Brazil
| | - Ritchelli Ricci
- Institute of Research and Development, University of Vale Do Paraiba, São José dos Campos, Brazil
| | - Tatiane V. Toniato
- Institute of Research and Development, University of Vale Do Paraiba, São José dos Campos, Brazil
| | - Luana M. R. Vasconcellos
- Department of Bioscience and Oral Diagnosis, Institute of Science and Technology, São Paulo State University, São Paulo, Brazil
| | | | | | - Andre S. A. Furtado
- LIMAV - Interdisciplinary Laboratory for Advanced Materials, Materials Science & Engineering Graduate Program, UFPI-Federal University of Piaui, Teresina, Brazil
| | - Leila S. S. M. Magalhães
- LIMAV - Interdisciplinary Laboratory for Advanced Materials, Materials Science & Engineering Graduate Program, UFPI-Federal University of Piaui, Teresina, Brazil
| | - Edson C. Silva-Filho
- LIMAV - Interdisciplinary Laboratory for Advanced Materials, Materials Science & Engineering Graduate Program, UFPI-Federal University of Piaui, Teresina, Brazil
| | | | - Andrea Zille
- Department of Textile Engineering, Centre for Textile Science and Technology, University of Minho, Guimarães, Portugal
| | - Thomas J. Webster
- Department of Chemical Engineering, Northeastern University, Boston, MA, United States
| | - Anderson O. Lobo
- LIMAV - Interdisciplinary Laboratory for Advanced Materials, Materials Science & Engineering Graduate Program, UFPI-Federal University of Piaui, Teresina, Brazil
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Marulasiddeshwara R, Jyothi MS, Soontarapa K, Keri RS, Velmurugan R. Nonwoven fabric supported, chitosan membrane anchored with curcumin/TiO 2 complex: Scaffolds for MRSA infected wound skin reconstruction. Int J Biol Macromol 2019; 144:85-93. [PMID: 31838064 DOI: 10.1016/j.ijbiomac.2019.12.077] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2019] [Revised: 12/06/2019] [Accepted: 12/10/2019] [Indexed: 11/26/2022]
Abstract
Use of biomaterial scaffolds as drug carriers for infected wounds treatment is of wide scope. A series of curcumin/TiO2 complex loaded chitosan scaffolds are fabricated for the same. Synthesized wound dressing material is screened for their morphology, water absorption capacity; in vitro drug release patterns, in vitro antibacterial studies against gram +ve and a gram -ve bacteria, cell viability for 3T3-L1 cell lines as well as in vivo MRSA infected wound healing capability. Formation of curcumin/TiO2 complex was confirmed by X-ray diffraction studies, the anchoring pattern of them on the chitosan scaffold was analyzed by FESEM and EDS mapping. All membranes showed a better performance towards in vitro antibacterial and in vivo wound healing properties than the control ones in 14 days. The bacterial count on wound for a regular time period was measured and the scaffold with higher amount of curcumin in its complex is found to give the better performance, along with skin regeneration due to synergistic effect of curcumin and TiO2.
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Affiliation(s)
- Roopesh Marulasiddeshwara
- Centre for Nano and Material Sciences, Jain University, Jain Global Campus, Kanakapura, Ramanagaram, Bangalore 562112, India; Center of Excellence on Petrochemical and Materials Technology, Department of Chemical Technology, Faculty of Sciences, Chulalongkorn University, Phayathai Road, Bangkok 10330, Thailand
| | - M S Jyothi
- Centre for Nano and Material Sciences, Jain University, Jain Global Campus, Kanakapura, Ramanagaram, Bangalore 562112, India; Center of Excellence on Petrochemical and Materials Technology, Department of Chemical Technology, Faculty of Sciences, Chulalongkorn University, Phayathai Road, Bangkok 10330, Thailand; Department of Chemistry, School of Engineering Technology, JAIN Deemed to be University, Bangalore 562112, India
| | - Khantong Soontarapa
- Center of Excellence on Petrochemical and Materials Technology, Department of Chemical Technology, Faculty of Sciences, Chulalongkorn University, Phayathai Road, Bangkok 10330, Thailand.
| | - Rangappa S Keri
- Centre for Nano and Material Sciences, Jain University, Jain Global Campus, Kanakapura, Ramanagaram, Bangalore 562112, India.
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Dukhinova MS, Prilepskii AY, Shtil AA, Vinogradov VV. Metal Oxide Nanoparticles in Therapeutic Regulation of Macrophage Functions. NANOMATERIALS (BASEL, SWITZERLAND) 2019; 9:E1631. [PMID: 31744137 PMCID: PMC6915518 DOI: 10.3390/nano9111631] [Citation(s) in RCA: 38] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/30/2019] [Revised: 11/13/2019] [Accepted: 11/13/2019] [Indexed: 12/11/2022]
Abstract
Macrophages are components of the innate immune system that control a plethora of biological processes. Macrophages can be activated towards pro-inflammatory (M1) or anti-inflammatory (M2) phenotypes depending on the cue; however, polarization may be altered in bacterial and viral infections, cancer, or autoimmune diseases. Metal (zinc, iron, titanium, copper, etc.) oxide nanoparticles are widely used in therapeutic applications as drugs, nanocarriers, and diagnostic tools. Macrophages can recognize and engulf nanoparticles, while the influence of macrophage-nanoparticle interaction on cell polarization remains unclear. In this review, we summarize the molecular mechanisms that drive macrophage activation phenotypes and functions upon interaction with nanoparticles in an inflammatory microenvironment. The manifold effects of metal oxide nanoparticles on macrophages depend on the type of metal and the route of synthesis. While largely considered as drug transporters, metal oxide nanoparticles nevertheless have an immunotherapeutic potential, as they can evoke pro- or anti-inflammatory effects on macrophages and become essential for macrophage profiling in cancer, wound healing, infections, and autoimmunity.
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Affiliation(s)
- Marina S. Dukhinova
- ITMO University, Saint-Petersburg 197101, Russia; (M.S.D.); (A.Y.P.); (A.A.S.)
| | | | - Alexander A. Shtil
- ITMO University, Saint-Petersburg 197101, Russia; (M.S.D.); (A.Y.P.); (A.A.S.)
- Blokhin National Medical Center of Oncology, Moscow 115478, Russia
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Jafari A, Hassanajili S, Azarpira N, Bagher Karimi M, Geramizadeh B. Development of thermal-crosslinkable chitosan/maleic terminated polyethylene glycol hydrogels for full thickness wound healing: In vitro and in vivo evaluation. Eur Polym J 2019. [DOI: 10.1016/j.eurpolymj.2019.05.046] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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