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Chelly JE, Goel SK, Kearns J, Kopac O, Sadhasivam S. Nanotechnology for Pain Management. J Clin Med 2024; 13:2611. [PMID: 38731140 PMCID: PMC11084313 DOI: 10.3390/jcm13092611] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2024] [Revised: 04/17/2024] [Accepted: 04/21/2024] [Indexed: 05/13/2024] Open
Abstract
Introduction: In the context of the current opioid crisis, non-pharmacologic approaches to pain management have been considered important alternatives to the use of opioids or analgesics. Advancements in nano and quantum technology have led to the development of several nanotransporters, including nanoparticles, micelles, quantum dots, liposomes, nanofibers, and nano-scaffolds. These modes of nanotransporters have led to the development of new drug formulations. In pain medicine, new liposome formulations led to the development of DepoFoam™ introduced by Pacira Pharmaceutical, Inc. (Parsippany, NJ, USA). This formulation is the base of DepoDur™, which comprises a combination of liposomes and extended-release morphine, and Exparel™, which comprises a combination of liposomes and extended-release bupivacaine. In 2021, Heron Therapeutics (San Diego, CA, USA) created Zynrelef™, a mixture of bupivacaine and meloxicam. Advancements in nanotechnology have led to the development of devices/patches containing millions of nanocapacitors. Data suggest that these nanotechnology-based devices/patches reduce acute and chronic pain. Methods: Google and PubMed searches were conducted to identify studies, case reports, and reviews of medical nanotechnology applications with a special focus on acute and chronic pain. This search was based on the use of keywords like nanotechnology, nano and quantum technology, nanoparticles, micelles, quantum dots, liposomes, nanofibers, nano-scaffolds, acute and chronic pain, and analgesics. This review focuses on the role of nanotechnology in acute and chronic pain. Results: (1) Nanotechnology-based transporters. DepoDur™, administered epidurally in 15, 20, or 25 mg single doses, has been demonstrated to produce significant analgesia lasting up to 48 h. Exparel™ is infiltrated at the surgical site at the recommended dose of 106 mg for bunionectomy, 266 mg for hemorrhoidectomy, 133 mg for shoulder surgery, and 266 mg for total knee arthroplasty (TKA). Exparel™ is also approved for peripheral nerve blocks, including interscalene, sciatic at the popliteal fossa, and adductor canal blocks. The injection of Exparel™ is usually preceded by an injection of plain bupivacaine to initiate analgesia before bupivacaine is released in enough quantity from the depofoarm to be pharmacodynamically effective. Finally, Zynrelef™ is applied at the surgical site during closure. It was initially approved for open inguinal hernia, abdominal surgery requiring a small-to-medium incision, foot surgery, and TKA. (2) Nanotechnology-based devices/patches. Two studies support the use of nanocapacitor-based devices/patches for the management of acute and chronic pain. A randomized study conducted on patients undergoing unilateral primary total knee (TKA) and total hip arthroplasty (THA) provided insight into the potential value of nanocapacitor-based technology for the control of postoperative acute pain. The results were based on 2 studies, one observational and one randomized. The observational study was conducted in 128 patients experiencing chronic pain for at least one year. This study suggested that compared to baseline, the application of a nanocapacitor-based Kailo™ pain relief patch on the pain site for 30 days led to a time-dependent decrease in pain and analgesic use and an increase in well-being. The randomized study compared the effects of standard of care treatment to those of the same standard of care approach plus the use of two nanocapacitor-based device/patches (NeuroCuple™ device) placed in the recovery room and kept in place for three days. The study demonstrated that the use of the two NeuroCuple™ devices was associated with a 41% reduction in pain at rest and a 52% decrease in the number of opioid refills requested by patients over the first 30 days after discharge from the hospital. Discussion: For the management of pain, the use of nano-based technology has led to the development of nano transporters, especially focus on the use of liposome and nanocapacitors. The use of liposome led to the development of DepoDur™, bupivacaine Exparel™ and a mixture of bupivacaine and meloxicam (Zynrelef™) and more recently lidocaine liposome formulation. In these cases, the technology is used to prolong the duration of action of drugs included in the preparation. Another indication of nanotechnology is the development of nanocapacitor device or patches. Although, data obtained with the use of nanocapacitors are still limited, evidence suggests that the use of nanocapacitors devices/patches may be interesting for the treatment of both acute and chronic pain, since the studies conducted with the NeuroCuple™ device and the based Kailo™ pain relief patch were not placebo-controlled, it is clear that additional placebo studies are required to confirm these preliminary results. Therefore, the development of a placebo devices/patches is necessary. Conclusions: Increasing evidence supports the concept that nanotechnology may represent a valuable tool as a drug transporter including liposomes and as a nanocapacitor-based device/patch to reduce or even eliminate the use of opioids in surgical patients. However, more studies are required to confirm this concept, especially with the use of nanotechnology incorporated in devices/patches.
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Affiliation(s)
- Jacques E. Chelly
- Department of Anesthesiology and Perioperative Medicine, University of Pittsburgh Medical Center, Pittsburgh, PA 15219, USA; (S.K.G.); (J.K.); (O.K.); (S.S.)
- Department of Orthopaedic Surgery, University of Pittsburgh Medical Center, Pittsburgh, PA 15219, USA
| | - Shiv K. Goel
- Department of Anesthesiology and Perioperative Medicine, University of Pittsburgh Medical Center, Pittsburgh, PA 15219, USA; (S.K.G.); (J.K.); (O.K.); (S.S.)
| | - Jeremy Kearns
- Department of Anesthesiology and Perioperative Medicine, University of Pittsburgh Medical Center, Pittsburgh, PA 15219, USA; (S.K.G.); (J.K.); (O.K.); (S.S.)
| | - Orkun Kopac
- Department of Anesthesiology and Perioperative Medicine, University of Pittsburgh Medical Center, Pittsburgh, PA 15219, USA; (S.K.G.); (J.K.); (O.K.); (S.S.)
| | - Senthilkumar Sadhasivam
- Department of Anesthesiology and Perioperative Medicine, University of Pittsburgh Medical Center, Pittsburgh, PA 15219, USA; (S.K.G.); (J.K.); (O.K.); (S.S.)
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Lairikyengbam D, Wetterauer B, Schmiech M, Jahraus B, Kirchgessner H, Wetterauer P, Berschneider K, Beier V, Niesler B, Balta E, Samstag Y. Comparative analysis of whole plant, flower and root extracts of Chamomilla recutita L. and characteristic pure compounds reveals differential anti-inflammatory effects on human T cells. Front Immunol 2024; 15:1388962. [PMID: 38720895 PMCID: PMC11077421 DOI: 10.3389/fimmu.2024.1388962] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2024] [Accepted: 03/21/2024] [Indexed: 05/12/2024] Open
Abstract
Introduction Chronic inflammation is a hallmark of chronic wounds and inflammatory skin diseases. Due to a hyperactive and prolonged inflammation triggered by proinflammatory immune cells, transitioning to the repair and healing phase is halted. T cells may exacerbate the proinflammatory milieu by secreting proinflammatory cytokines. Chamomilla recutita L. (chamomile) has been suggested for use in several inflammatory diseases, implying a capability to modulate T cells. Here, we have characterized and compared the effects of differently prepared chamomile extracts and characteristic pure compounds on the T cell redox milieu as well as on the migration, activation, proliferation, and cytokine production of primary human T cells. Methods Phytochemical analysis of the extracts was carried out by LC-MS/MS. Primary human T cells from peripheral blood (PBTs) were pretreated with aqueous or hydroethanolic chamomile extracts or pure compounds. Subsequently, the effects on intracellular ROS levels, SDF-1α induced T cell migration, T cell activation, proliferation, and cytokine production after TCR/CD3 and CD28 costimulation were determined. Gene expression profiling was performed using nCounter analysis, followed by ingenuity pathway analysis, and validation at protein levels. Results The tested chamomile extracts and pure compounds differentially affected intracellular ROS levels, migration, and activation of T cells. Three out of five differently prepared extracts and two out of three pure compounds diminished T cell proliferation. In line with these findings, LC-MS/MS analysis revealed high heterogeneity of phytochemicals among the different extracts. nCounter based gene expression profiling identified several genes related to T cell functions associated with activation and differentiation to be downregulated. Most prominently, apigenin significantly reduced granzyme B induction and cytotoxic T cell activity. Conclusion Our results demonstrate an anti-inflammatory effect of chamomile- derived products on primary human T cells. These findings provide molecular explanations for the observed anti-inflammatory action of chamomile and imply a broader use of chamomile extracts in T cell driven chronic inflammatory diseases such as chronic wounds and inflammatory skin diseases. Importantly, the mode of extract preparation needs to be considered as the resulting different phytochemicals can result in differential effects on T cells.
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Affiliation(s)
- Divya Lairikyengbam
- Section Molecular Immunology, Institute of Immunology, Heidelberg University Hospital, Heidelberg, Germany
| | - Bernhard Wetterauer
- Institute of Pharmacy and Molecular Biotechnology, Heidelberg University, Heidelberg, Germany
| | - Michael Schmiech
- Institute of Experimental and Clinical Pharmacology, Toxicology and Pharmacology of Natural Products, University of Ulm, Ulm, Germany
| | - Beate Jahraus
- Section Molecular Immunology, Institute of Immunology, Heidelberg University Hospital, Heidelberg, Germany
| | - Henning Kirchgessner
- Section Molecular Immunology, Institute of Immunology, Heidelberg University Hospital, Heidelberg, Germany
| | - Pille Wetterauer
- Institute of Pharmacy and Molecular Biotechnology, Heidelberg University, Heidelberg, Germany
| | - Karina Berschneider
- Section Molecular Immunology, Institute of Immunology, Heidelberg University Hospital, Heidelberg, Germany
| | - Verena Beier
- Section Molecular Immunology, Institute of Immunology, Heidelberg University Hospital, Heidelberg, Germany
| | - Beate Niesler
- Department of Human Molecular Genetics, Heidelberg University Hospital, Heidelberg, Germany
- nCounter Core Facility, Institute of Human Genetics, Heidelberg University Hospital, Heidelberg, Germany
| | - Emre Balta
- Section Molecular Immunology, Institute of Immunology, Heidelberg University Hospital, Heidelberg, Germany
| | - Yvonne Samstag
- Section Molecular Immunology, Institute of Immunology, Heidelberg University Hospital, Heidelberg, Germany
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Bahloul B, Ben Bnina E, Hamdi A, Castillo Henríquez L, Baccar D, Kalboussi N, Abbassi A, Mignet N, Flamini G, Vega-Baudrit JR. Investigating the Wound-Healing Potential of a Nanoemulsion-Gel Formulation of Pituranthos tortuosus Essential Oil. Gels 2024; 10:155. [PMID: 38534573 DOI: 10.3390/gels10030155] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2023] [Revised: 02/08/2024] [Accepted: 02/13/2024] [Indexed: 03/28/2024] Open
Abstract
This study explores a nanoemulsion (NE)-based gel incorporating Tunisian Pituranthos tortuosus essential oil, with a focus on its wound-healing potential. The essential oil, extracted via hydrodistillation, underwent GC-MS analysis for compositional verification. The physicochemical characterization included dynamic light scattering (DLS), transmission electron microscopy (TEM), zeta potential measurement, pH, and viscosity. The gelification of the NE facilitated topical application. The results revealed an average extraction yield of 0.45% and identified 38 compounds in the essential oil. The NE exhibited a particle size of 27 ± 0.4 nm, a polydispersity index (PDI) of 0.3, and a zeta potential of -22.8 ± 1.4 mV. The stability of the gelified preparation was confirmed through thermodynamic stability studies, TEM observations, and zeta and size results. In vivo experiments confirmed significant wound-healing effects, highlighting the promising role of the NE-based gel in healthcare advancements. This research underscores the potential of novel phyto-based delivery systems in wound care.
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Affiliation(s)
- Badr Bahloul
- Drug Development Laboratory LR12ES09, Faculty of Pharmacy, University of Monastir, Monastir 5000, Tunisia
| | - Enis Ben Bnina
- LR21AGR03-Production and Protection for a Sustainable Horticulture (2PHD), Regional Research Centre on Horticulture and Organic Agriculture, IRESA, University of Sousse, Chott Mariem 4042, Tunisia
| | - Assia Hamdi
- Drug Development Laboratory LR12ES09, Faculty of Pharmacy, University of Monastir, Monastir 5000, Tunisia
| | - Luis Castillo Henríquez
- Chemical and Biological Technologies for Health Group (UTCBS), Université Paris Cité, 75006 Paris, France
| | - Dhaou Baccar
- Drug Development Laboratory LR12ES09, Faculty of Pharmacy, University of Monastir, Monastir 5000, Tunisia
| | - Nesrine Kalboussi
- Drug Development Laboratory LR12ES09, Faculty of Pharmacy, University of Monastir, Monastir 5000, Tunisia
| | - Aïmen Abbassi
- Research Unit "Natural Bioactive Substances and Biotechnology" UR17ES49, Pharmacognosy Laboratory, College of Pharmacy of Monastir, University of Monastir, Monastir 5000, Tunisia
| | - Nathalie Mignet
- Chemical and Biological Technologies for Health Group (UTCBS), Université Paris Cité, 75006 Paris, France
| | - Guido Flamini
- Dipartimento di Farmacia, University of Pisa, Via Bonanno 6, 56126 Pisa, Italy
| | - José Roberto Vega-Baudrit
- National Nanotechnology Laboratory (LANOTEC), National Center for High Technology (CeNAT), San José 1174-1200, Costa Rica
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Fijalkowski M, Ali A, Qamer S, Coufal R, Adach K, Petrik S. Hybrid and Single-Component Flexible Aerogels for Biomedical Applications: A Review. Gels 2023; 10:4. [PMID: 38275842 PMCID: PMC10815221 DOI: 10.3390/gels10010004] [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: 11/03/2023] [Revised: 12/05/2023] [Accepted: 12/08/2023] [Indexed: 01/27/2024] Open
Abstract
The inherent disadvantages of traditional non-flexible aerogels, such as high fragility and moisture sensitivity, severely restrict their applications. To address these issues and make the aerogels efficient, especially for advanced medical applications, different techniques have been used to incorporate flexibility in aerogel materials. In recent years, a great boom in flexible aerogels has been observed, which has enabled them to be used in high-tech biomedical applications. The current study comprises a comprehensive review of the preparation techniques of pure polymeric-based hybrid and single-component aerogels and their use in biomedical applications. The biomedical applications of these hybrid aerogels will also be reviewed and discussed, where the flexible polymeric components in the aerogels provide the main contribution. The combination of highly controlled porosity, large internal surfaces, flexibility, and the ability to conform into 3D interconnected structures support versatile properties, which are required for numerous potential medical applications such as tissue engineering; drug delivery reservoir systems; biomedical implants like heart stents, pacemakers, and artificial heart valves; disease diagnosis; and the development of antibacterial materials. The present review also explores the different mechanical, chemical, and physical properties in numerical values, which are most wanted for the fabrication of different materials used in the biomedical fields.
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Affiliation(s)
- Mateusz Fijalkowski
- Department of Advanced Materials, Institute for Nanomaterials, Advanced Technologies and Innovation (CXI), Technical University of Liberec, 461 17 Liberec, Czech Republic
| | - Azam Ali
- Department of Material Science, Technical University of Liberec, 461 17 Liberec, Czech Republic
| | - Shafqat Qamer
- Department of Basic Medical Sciences, College of Medicine, Prince Sattam Bin Abdulaziz University, Alkharj 11942, Saudi Arabia
| | - Radek Coufal
- Department of Science and Research, Faulty of Health Studies, Technical University of Liberec, 461 17 Liberec, Czech Republic
| | - Kinga Adach
- Department of Advanced Materials, Institute for Nanomaterials, Advanced Technologies and Innovation (CXI), Technical University of Liberec, 461 17 Liberec, Czech Republic
| | - Stanislav Petrik
- Department of Advanced Materials, Institute for Nanomaterials, Advanced Technologies and Innovation (CXI), Technical University of Liberec, 461 17 Liberec, Czech Republic
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Hashem HR, Amin BH, Yosri M. Investigation of the potential roles of adipose stem cells and substances of natural origin in the healing process of E. coli infected wound model in Rats. Tissue Cell 2023; 85:102214. [PMID: 37690258 DOI: 10.1016/j.tice.2023.102214] [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: 02/20/2023] [Revised: 08/24/2023] [Accepted: 09/01/2023] [Indexed: 09/12/2023]
Abstract
Skin infections by pathogenic microorganisms are a serious problem due to the potential of dissemination through the bloodstream to various organs causing toxic effects that may be up to mortality. Escherichia coli (E. coli) is one of the most predominant Gram-negative bacterial species present globally with great attention for investigation. The current study is designed to investigate the possible role of adipose tissue-derived stem cells (ADSCs), as well as natural products such as Trichoderma viride (T. viride) extract, Saccharomyces boulardii (S. boulardii) solution in the enhancement of wound healing process in the infected skin with E. coli. Ninety-six female rats were divided into 8 groups (12 animal/group): normal skin, wounded skin, wounded skin infected with E. coli, infected-wounded skin treated by ADSCs, infected-wounded skin treated by T. viride extract, infected-wounded skin treated by S. boulardii solution, infected-wounded skin treated a combination of treatments, infected-wounded skin treated by gentamicin. At day 21 animal weights and bacterial count were detected and compared. Animals were sacrificed and skin from various groups was investigated using a light microscope for sections stained by (hematoxylin eosin, Masson trichrome, and PCNA) as well as transmission electron microscopy. Pro-inflammatory (IL-1β, TNF- α, and IL-13), anti-inflammatory cytokine (IL-4), and antioxidant enzymes (Superoxide dismutase, glutathione, and catalase) were assessed in various groups revealing that ADSCs lightly shift levels of these parameters in various rat groups to regular levels, while administration of T. viride extract, S. boulardii solution, their combination with ADSCs and gentamicin treatment drive the tested cytokines and enzymes to significant levels similar to a normal level where combination therapy gave the best result. The current findings revealed the possibility of using certain natural products as possible substitutes to regularly applied antibiotics with successive protective results in the wound infection model.
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Affiliation(s)
- Heba R Hashem
- Anatomy and Embryology Department, Faculty of Medicine, Ain Shams University, Cairo, Egypt
| | - Basma H Amin
- The Regional Center for Mycology and Biotechnology, Al-Azhar University, Cairo 11787, Egypt
| | - Mohammed Yosri
- The Regional Center for Mycology and Biotechnology, Al-Azhar University, Cairo 11787, Egypt.
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Nosrati H, Heydari M, Khodaei M. Cerium oxide nanoparticles: Synthesis methods and applications in wound healing. Mater Today Bio 2023; 23:100823. [PMID: 37928254 PMCID: PMC10622885 DOI: 10.1016/j.mtbio.2023.100823] [Citation(s) in RCA: 15] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2023] [Revised: 09/04/2023] [Accepted: 09/26/2023] [Indexed: 11/07/2023] Open
Abstract
Wound care and treatment can be critical from a clinical standpoint. While different strategies for the management and treatment of skin wounds have been developed, the limitations inherent in the current approaches necessitate the development of more effective alternative strategies. Advances in tissue engineering have resulted in the development of novel promising approaches for accelerating wound healing. The use of various biomaterials capable of accelerating the regeneration of damaged tissue is critical in tissue engineering. In this regard, cerium oxide nanoparticles (CeO2 NPs) have recently received much attention because of their excellent biological properties, such as antibacterial, anti-inflammatory, antioxidant, and angiogenic features. The incorporation of CeO2 NPs into various polymer-based scaffolds developed for wound healing applications has led to accelerated wound healing due to the presence of CeO2 NPs. This paper discusses the structure and functions of the skin, the wound healing process, different methods for the synthesis of CeO2 NPs, the biological properties of CeO2 NPs, the role of CeO2 NPs in wound healing, the use of scaffolds containing CeO2 NPs for wound healing applications, and the potential toxicity of CeO2 NPs.
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Affiliation(s)
- Hamed Nosrati
- Biosensor Research Center (BRC), Isfahan University of Medical Sciences (IUMS), Isfahan, Iran
| | - Morteza Heydari
- Department of Immune Medicine, University of Regensburg, Regensburg, Germany
| | - Mohammad Khodaei
- Materials Engineering Group, Golpayegan College of Engineering, Isfahan University of Technology, Golpayegan, Iran
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Yang X, Cao W, Gu X, Zheng L, Wang Q, Li Y, Wei F, Ma T, Zhang L, Wang Q. Simvastatin nanocrystals-based dissolving microneedles for wound healing. Int J Pharm 2023; 647:123543. [PMID: 37879572 DOI: 10.1016/j.ijpharm.2023.123543] [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: 07/28/2023] [Revised: 10/06/2023] [Accepted: 10/20/2023] [Indexed: 10/27/2023]
Abstract
Currently, one of the main problems encountered in wound healing therapy is related to inefficient drug delivery. However, dissolving microneedles (DMNs) can be administered percutaneously to effectively deliver a drug to a deep wound area. Simvastatin (SIM) can promote wound healing, albeit its insolubility in water limits its application. Here, we designed a DMNs (SIM-NC@DMNs) drug delivery system loaded with SIM nanocrystals (SIM-NC) and evaluated its efficacy in wound healing. Based on our observations, the dissolution performance of insoluble SIM is significantly improved after the preparation of SIM-NC. For example, the saturation solubility of SIM-NC in deionized water and PBS increased by 150.57 times and 320.14 times, respectively. After the SIM-NC@DMNs are deeply inserted into the wound, the needle portion, which is composed of hyaluronic acid (HA), dissolves rapidly, and the SIM-NC loaded on the needle portion is efficiently released into the deep wound area for optimal therapeutic efficacy. The combination of NC and DMNs makes this system further effective for wound healing. Our cumulative work suggests that the newly developed SIM-NC@DMNs possess great potential in accelerating wound healing. By day 12 after treatment, the residual wound area in the Control group was 21.34 %, while the residual wound area in the SIM-NC@DMNs group was only 2.36 %. This result as well as provides certain evidence of its efficacy for wound healing therapy. The SIM-NC@DMNs drug delivery system may become an efficient treatment modality that promotes wound healing, with a promising potential in the field of wound healing research.
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Affiliation(s)
- Xuejing Yang
- School of Pharmacy, Bengbu Medical College, Bengbu, Anhui 233030, China
| | - Wenyu Cao
- School of Pharmacy, Bengbu Medical College, Bengbu, Anhui 233030, China
| | - Xun Gu
- School of Pharmacy, Bengbu Medical College, Bengbu, Anhui 233030, China
| | - Lijie Zheng
- School of Pharmacy, Bengbu Medical College, Bengbu, Anhui 233030, China
| | - Qiuyue Wang
- School of Pharmacy, Bengbu Medical College, Bengbu, Anhui 233030, China
| | - Yingying Li
- School of Pharmacy, Bengbu Medical College, Bengbu, Anhui 233030, China
| | - Fang Wei
- School of Pharmacy, Bengbu Medical College, Bengbu, Anhui 233030, China
| | - Tao Ma
- School of Pharmacy, Bengbu Medical College, Bengbu, Anhui 233030, China; Anhui Engineering Technology Research Center of Biochemical Pharmaceutical, Bengbu, Anhui 233030, China
| | - Lu Zhang
- School of Pharmacy, Bengbu Medical College, Bengbu, Anhui 233030, China; Anhui Engineering Technology Research Center of Biochemical Pharmaceutical, Bengbu, Anhui 233030, China
| | - Qingqing Wang
- School of Pharmacy, Bengbu Medical College, Bengbu, Anhui 233030, China; Anhui Engineering Technology Research Center of Biochemical Pharmaceutical, Bengbu, Anhui 233030, China.
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Wallenwein CM, Ashtikar M, Hofhaus G, Haferland I, Thurn M, König A, Pinter A, Dressman J, Wacker MG. How wound environments trigger the release from Rifampicin-loaded liposomes. Int J Pharm 2023; 633:122606. [PMID: 36632921 DOI: 10.1016/j.ijpharm.2023.122606] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2022] [Revised: 12/24/2022] [Accepted: 01/07/2023] [Indexed: 01/11/2023]
Abstract
BACKGROUND Chronic wounds often contain high levels of proinflammatory cytokines that prolong the wound-healing process. Patients suffering from these conditions are likely to benefit from topical rifampicin therapy. Although recent research indicates considerable anti-inflammatory properties of the antibiotic, currently, there are no commercial topical wound healing products available. To address this medical need, a liposomal drug delivery system was developed. A mechanistic investigation outlined major influences of wound environments that affect the release kinetics and, as a consequence, local bioavailability. METHODS Liposomes were prepared using the thin-film hydration method and subsequently freeze-dried at the pilot scale to improve their stability. We investigated the influence of oxidation, plasma proteins, and lipolysis on the in vitro release of rifampicin and its two main degradation products using the Dispersion Releaser technology. A novel simulated wound fluid provided a standardized environment to study critical influences on the release. It reflects the pathophysiological environment regarding pH, buffer capacity, and protein content. RESULTS During storage, the liposomes efficiently protect rifampicin from degradation. After the dispersion of the vesicles in simulated wound fluid, despite the significant albumin binding (>70%), proteins have no considerable effect on the release. Also, the presence of lipase at pathophysiologically elevated concentrations did not trigger the liberation of rifampicin. Surprisingly, the oxidative environment of the wound bed represents the strongest accelerating influence and triggers the release. CONCLUSION A stable topical delivery system of rifampicin has been developed. Once the formulation comes in contact with simulated wound fluid, drug oxidation accelerates the release. The influence of lipases that are assumed to trigger the liberation from liposomes depends on the drug-to-lipid ratio. Considering that inflamed tissues exhibit elevated levels of oxidative stress, the trigger mechanism identified for rifampicin contributes to targeted drug delivery.
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Affiliation(s)
- Chantal M Wallenwein
- Fraunhofer Institute for Translational Medicine and Pharmacology ITMP, Theodor-Stern-Kai 7, 60596 Frankfurt am Main, Germany
| | - Mukul Ashtikar
- Fraunhofer Institute for Translational Medicine and Pharmacology ITMP, Theodor-Stern-Kai 7, 60596 Frankfurt am Main, Germany
| | - Götz Hofhaus
- Department of Dermatology, Venerology, and Allergology, University Hospital, 60596 Frankfurt am Main, Germany
| | - Isabel Haferland
- Cryo Electron Microscopy, CellNetworks, BioQuant, Universitätsklinikum Heidelberg, 69120 Heidelberg, Germany
| | - Manuela Thurn
- Fraunhofer Institute for Translational Medicine and Pharmacology ITMP, Theodor-Stern-Kai 7, 60596 Frankfurt am Main, Germany
| | - Anke König
- Cryo Electron Microscopy, CellNetworks, BioQuant, Universitätsklinikum Heidelberg, 69120 Heidelberg, Germany
| | - Andreas Pinter
- Cryo Electron Microscopy, CellNetworks, BioQuant, Universitätsklinikum Heidelberg, 69120 Heidelberg, Germany
| | - Jennifer Dressman
- Fraunhofer Institute for Translational Medicine and Pharmacology ITMP, Theodor-Stern-Kai 7, 60596 Frankfurt am Main, Germany
| | - Matthias G Wacker
- National University of Singapore, Department of Pharmacy, 4 Science Drive 2, Singapore 117544, Singapore.
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Zhang X, Wei P, Yang Z, Liu Y, Yang K, Cheng Y, Yao H, Zhang Z. Current Progress and Outlook of Nano-Based Hydrogel Dressings for Wound Healing. Pharmaceutics 2022; 15:pharmaceutics15010068. [PMID: 36678696 PMCID: PMC9864871 DOI: 10.3390/pharmaceutics15010068] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2022] [Revised: 12/21/2022] [Accepted: 12/22/2022] [Indexed: 12/28/2022] Open
Abstract
Wound dressing is an important tool for wound management. Designing wound dressings by combining various novel materials and drugs to optimize the peri-wound environment and promote wound healing is a novel concept. Hydrogels feature good ductility, high water content, and favorable oxygen transport, which makes them become some of the most promising materials for wound dressings. In addition, nanomaterials exhibit superior biodegradability, biocompatibility, and colloidal stability in wound healing and can play a role in promoting healing through their nanoscale properties or as carriers of other drugs. By combining the advantages of both technologies, several outstanding and efficient wound dressings have been developed. In this paper, we classify nano-based hydrogel dressings into four categories: hydrogel dressings loaded with a nanoantibacterial drug; hydrogel dressings loaded with oxygen-delivering nanomedicines; hydrogel dressings loaded with nanonucleic acid drugs; and hydrogel dressings loaded with other nanodelivered drugs. The design ideas, advantages, and challenges of these nano-based hydrogel wound dressings are reviewed and analyzed. Finally, we envisaged possible future directions for wound dressings in the context of relevant scientific and technological advances, which we hope will inform further research in wound management.
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Affiliation(s)
- Xiao Zhang
- Department of General Surgery, Beijing Friendship Hospital, Capital Medical University, Beijing 100050, China
- National Clinical Research Center for Digestive Diseases, Beijing 100050, China
| | - Pengyu Wei
- Department of General Surgery, Beijing Friendship Hospital, Capital Medical University, Beijing 100050, China
- National Clinical Research Center for Digestive Diseases, Beijing 100050, China
| | - Zhengyang Yang
- Department of General Surgery, Beijing Friendship Hospital, Capital Medical University, Beijing 100050, China
- National Clinical Research Center for Digestive Diseases, Beijing 100050, China
| | - Yishan Liu
- Department of General Surgery, Beijing Friendship Hospital, Capital Medical University, Beijing 100050, China
| | - Kairui Yang
- Jun Skincare Co., Ltd., Jiangsu Life Science & Technology Innovation Park, Nanjing 210093, China
- School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China
| | - Yuhao Cheng
- Jun Skincare Co., Ltd., Jiangsu Life Science & Technology Innovation Park, Nanjing 210093, China
- State Key Laboratory of Pharmaceutical Biotechnology, Medical School and School of Life Sciences, Nanjing University, Nanjing 210093, China
- Correspondence: (Y.C.); (H.Y.)
| | - Hongwei Yao
- Department of General Surgery, Beijing Friendship Hospital, Capital Medical University, Beijing 100050, China
- National Clinical Research Center for Digestive Diseases, Beijing 100050, China
- Correspondence: (Y.C.); (H.Y.)
| | - Zhongtao Zhang
- Department of General Surgery, Beijing Friendship Hospital, Capital Medical University, Beijing 100050, China
- National Clinical Research Center for Digestive Diseases, Beijing 100050, China
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Wallenwein CM, Weigel V, Hofhaus G, Dhakal N, Schatton W, Gelperina S, Groeber-Becker FK, Dressman J, Wacker MG. Pharmaceutical Development of Nanostructured Vesicular Hydrogel Formulations of Rifampicin for Wound Healing. Int J Mol Sci 2022; 23:ijms232416207. [PMID: 36555855 PMCID: PMC9788359 DOI: 10.3390/ijms232416207] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2022] [Revised: 12/13/2022] [Accepted: 12/14/2022] [Indexed: 12/24/2022] Open
Abstract
Chronic wounds exhibit elevated levels of inflammatory cytokines, resulting in the release of proteolytic enzymes which delay wound-healing processes. In recent years, rifampicin has gained significant attention in the treatment of chronic wounds due to an interesting combination of antibacterial and anti-inflammatory effects. Unfortunately, rifampicin is sensitive to hydrolysis and oxidation. As a result, no topical drug product for wound-healing applications has been approved. To address this medical need two nanostructured hydrogel formulations of rifampicin were developed. The liposomal vesicles were embedded into hydroxypropyl methylcellulose (HPMC) gel or a combination of hyaluronic acid and marine collagen. To protect rifampicin from degradation in aqueous environments, a freeze-drying method was developed. Before freeze-drying, two well-defined hydrogel preparations were obtained. After freeze-drying, the visual appearance, chemical stability, residual moisture content, and redispersion time of both preparations were within acceptable limits. However, the morphological characterization revealed an increase in the vesicle size for collagen-hyaluronic acid hydrogel. This was confirmed by subsequent release studies. Interactions of marine collagen with phosphatidylcholine were held responsible for this effect. The HPMC hydrogel formulation remained stable over 6 months of storage. Moving forward, this product fulfills all criteria to be evaluated in preclinical and clinical studies.
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Affiliation(s)
- Chantal M. Wallenwein
- Fraunhofer Institute for Translational Medicine and Pharmacology ITMP, Theodor-Stern-Kai 7, 60596 Frankfurt am Main, Germany
| | - Verena Weigel
- Translational Center for Regenerative Therapies, Fraunhofer Institute for Silicate Research ISC, Neunerplatz 2, 97082 Würzburg, Germany
| | - Götz Hofhaus
- Cryo Electron Microscopy, CellNetworks, BioQuant, Universitätsklinikum Heidelberg, 69120 Heidelberg, Germany
| | - Namrata Dhakal
- Department of Pharmacy, Faculty of Science, National University of Singapore, 4 Science Drive 2, Singapore 117544, Singapore
| | | | - Svetlana Gelperina
- Faculty of Chemical and Pharmaceutical Technologies and Biomedical Drugs, D. Mendeleev University of Chemical Technology of Russia, Miusskaya pl. 9, 125047 Moscow, Russia
| | - Florian K. Groeber-Becker
- Translational Center for Regenerative Therapies, Fraunhofer Institute for Silicate Research ISC, Neunerplatz 2, 97082 Würzburg, Germany
| | - Jennifer Dressman
- Fraunhofer Institute for Translational Medicine and Pharmacology ITMP, Theodor-Stern-Kai 7, 60596 Frankfurt am Main, Germany
| | - Matthias G. Wacker
- Department of Pharmacy, Faculty of Science, National University of Singapore, 4 Science Drive 2, Singapore 117544, Singapore
- Correspondence:
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11
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Ngoepe MP, Battison A, Mufamadi S. Nano-Enabled Chronic Wound Healing Strategies: Burn and Diabetic Ulcer Wounds. J Biomed Nanotechnol 2022. [DOI: 10.1166/jbn.2022.3427] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Abstract
The human skin serves as the body’s first line of defense against the environment. Diabetes mellitus (DM) and 2nd–4th degree burns, on the other hand, affect the skin’s protective barrier features. Burn wounds, hypermetabolic state, and hyperglycemia compromise the
immune system leading to chronic wound healing. Unlike acute wound healing processes, chronic wounds are affected by reinfections which can lead to limb amputation or death. The conventional wound dressing techniques used to protect the wound and provide an optimal environment for repair have
their limitations. Various nanomaterials have been produced that exhibit distinct features to tackle issues affecting wound repair mechanisms. This review discusses the emerging technologies that have been designed to improve wound care upon skin injury. To ensure rapid healing and possibly
prevent scarring, different nanomaterials can be applied at different stages of healing (hemostasis, inflammation, proliferation, remodeling).
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Affiliation(s)
- Mpho Phehello Ngoepe
- DSI-Mandela Nanomedicine Platform, Nelson Mandela University, Gqeberha, 6001, Eastern Cape, South Africa
| | - Aidan Battison
- DSI-Mandela Nanomedicine Platform, Nelson Mandela University, Gqeberha, 6001, Eastern Cape, South Africa
| | - Steven Mufamadi
- DSI-Mandela Nanomedicine Platform, Nelson Mandela University, Gqeberha, 6001, Eastern Cape, South Africa
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12
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Bu Y, Sun G, Huang D, Yang F. Editorial: Interfacial strategies to manipulate tissue interactions for wound healing. Front Bioeng Biotechnol 2022; 10:995721. [PMID: 36091457 PMCID: PMC9449716 DOI: 10.3389/fbioe.2022.995721] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2022] [Accepted: 07/25/2022] [Indexed: 12/05/2022] Open
Affiliation(s)
- Yazhong Bu
- Department of Biophysics, School of Basic Medical Sciences, Health Science Center, Institute of Medical Engineering, Xi’an Jiaotong University, Xi’an, China
| | - Guoming Sun
- Affiliated Hospital of Hebei University, Key Laboratory of Bone Metabolism and Physiology in Chronic Kidney Disease of Hebei Province College of Chemistry and Environmental Science, Institute of Life Science and Green Development, Hebei University, Baoding, China
| | - Da Huang
- Linda and Bipin Doshi Department of Chemical and Biochemical Engineering, Missouri University of Science and Technology, Rolla, MO, United States
- College of Biological Science and Engineering, Fuzhou University, Fuzhou, Fujian, China
| | - Fei Yang
- Beijing National Laboratory for Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing, China
- School of Chemical Sciences, University of Chinese Academy of Sciences, Beijing, China
- *Correspondence: Fei Yang,
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Mascarenhas-Melo F, Gonçalves MBS, Peixoto D, Pawar KD, Bell V, Chavda VP, Zafar H, Raza F, Paiva-Santos AC, Paiva-Santos AC. Application of nanotechnology in management and treatment of diabetic wounds. J Drug Target 2022; 30:1034-1054. [PMID: 35735061 DOI: 10.1080/1061186x.2022.2092624] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Abstract
Diabetic wounds are one of the most common health problems worldwide, enhancing the demand for new management strategies. Nanotechnology, as a developing subject in diabetic wound healing, is proving to be a promising and effective tool in treatment and care. It is, therefore, necessary to ascertain the available and distinct nanosystems and evaluate their performance when topically applied to the injury site, especially in diabetic wound healing. Several active ingredients, including bioactive ingredients, growth factors, mesenchymal stem cells, nucleic acids, and drugs, benefit from improved properties when loaded into nanosystems. Given the risk of problems associated with systemic administration, the topical application should be considered, provided stability and efficacy are assured. After nanoencapsulation, active ingredients-loaded nanosystems have been showing remarkable features of biocompatibility, healing process hastening, angiogenesis, and extracellular matrix compounds synthesis stimulation, contributing to a decrease in wound inflammation. Despite limitations, nanotechnology has attracted widespread attention in the scientific community and seems to be a valuable technological ally in the treatment and dressing of diabetic wounds. The use of nanotechnology in topical applications enables efficient delivery of the active ingredients to the specific skin site, increasing their bioavailability, stability, and half-life time, without compromising their safety.
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Affiliation(s)
- Filipa Mascarenhas-Melo
- Drug Development and Technology Laboratory, Faculty of Pharmacy of the University of Coimbra, University of Coimbra, Coimbra, Portugal.,REQUIMTE/LAQV, Group of Pharmaceutical Technology, Faculty of Pharmacy of the University of Coimbra, University of Coimbra, Coimbra, Portugal
| | - Maria Beatriz S Gonçalves
- Drug Development and Technology Laboratory, Faculty of Pharmacy of the University of Coimbra, University of Coimbra, Coimbra, Portugal
| | - Diana Peixoto
- Drug Development and Technology Laboratory, Faculty of Pharmacy of the University of Coimbra, University of Coimbra, Coimbra, Portugal
| | - Kiran D Pawar
- School of Nanoscience and Biotechnology, Shivaji University, Vidyanagar, Kolhapur, Maharashtra, India
| | - Victoria Bell
- Laboratory of Social Pharmacy and Public Health, Faculty of Pharmacy of the University of Coimbra, University of Coimbra, Coimbra, Portugal
| | - Vivek P Chavda
- Department of Pharmaceutics and Pharmaceutical Technology, L M College of Pharmacy, Ahmedabad, Gujarat, India
| | - Hajra Zafar
- School of Pharmacy, Shanghai Jiao Tong University, Shanghai, China
| | - Faisal Raza
- School of Pharmacy, Shanghai Jiao Tong University, Shanghai, China
| | - Ana Cláudia Paiva-Santos
- Drug Development and Technology Laboratory, Faculty of Pharmacy of the University of Coimbra, University of Coimbra, Coimbra, Portugal.,REQUIMTE/LAQV, Group of Pharmaceutical Technology, Faculty of Pharmacy of the University of Coimbra, University of Coimbra, Coimbra, Portugal
| | - Ana Cláudia Paiva-Santos
- Drug Development and Technology Laboratory, Faculty of Pharmacy of the University of Coimbra, University of Coimbra, Coimbra, Portugal.,REQUIMTE/LAQV, Group of Pharmaceutical Technology, Faculty of Pharmacy of the University of Coimbra, University of Coimbra, Coimbra, Portugal
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14
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Long L, Liu W, Hu C, Yang L, Wang Y. Construction of multifunctional wound dressings with their application in chronic wound treatment. Biomater Sci 2022; 10:4058-4076. [PMID: 35758152 DOI: 10.1039/d2bm00620k] [Citation(s) in RCA: 41] [Impact Index Per Article: 20.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
As the prevalence of diabetes increases year by year and the aging population continues to intensify in the world, chronic wounds such as diabetic foot ulcers and pressure ulcers have become serious problems that threaten people's health, and have brought an enormous burden to the world healthcare system. Conventional clinical treatment of chronic wounds relies on non-specific topical care (including debridement, infection/inflammation control, and frequent wound dressing changes), which can alleviate disease progression and reduce patient suffering to a certain extent, but the overall cure rate is less than 50% and the recurrence rate is high. Traditional wound dressings such as gauze, hydrocolloids, films and foams are single-function, acting as a physical barrier or absorbing exudates, and cannot meet all the needs of the entire chronic wound healing process. Recently, a large number of novel functional dressings have been reported for chronic wound repair. Based on the progress on wound dressings in recent years and the relevant research experience of our group, the review summarizes and discusses the progress on multifunctional wound dressings (such as microneedles, sponges and hydrogels) with anti-inflammatory, antioxidant, antibacterial, pro-angiogenic and tissue adhesive functions in detail. At the same time, the various responsive mechanisms (in vivo microenvironment or in vitro stimulation) of the smart multifunctional wound dressing are also analyzed in detail. It is expected that the review could provide some inspiration and suggestions for research on dressings for chronic wound treatment.
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Affiliation(s)
- Linyu Long
- National Engineering Research Center for Biomaterials, Chuanda-Jinbo Joint Research Center, Sichuan University, Chengdu, 610064, China.
| | - Wenqi Liu
- National Engineering Research Center for Biomaterials, Chuanda-Jinbo Joint Research Center, Sichuan University, Chengdu, 610064, China.
| | - Cheng Hu
- National Engineering Research Center for Biomaterials, Chuanda-Jinbo Joint Research Center, Sichuan University, Chengdu, 610064, China.
| | - Li Yang
- National Engineering Research Center for Biomaterials, Chuanda-Jinbo Joint Research Center, Sichuan University, Chengdu, 610064, China.
| | - Yunbing Wang
- National Engineering Research Center for Biomaterials, Chuanda-Jinbo Joint Research Center, Sichuan University, Chengdu, 610064, China.
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15
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Sun J, Zheng X. Fabrication of Zinc loaded silicon carbide Nanocomposite for in vitro cell viability and in vivo wound dressing care. J Microencapsul 2022; 39:341-351. [PMID: 35670223 DOI: 10.1080/02652048.2022.2084168] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
AIM In this investigation, Zinc-silicon carbide (Zn-SiC) materials were fabricated by a simple approach by using Zn nanoparticles (Zn-NPs) loaded on silicon carbide (SiC) with enhanced antibacterial and healing activity. METHODS Zn-NPs loaded on SiC fabricated by the DIY laser melting technique. The TEM and Zeta-sizer confirmed the morphology and size of the nanoparticles. The characterization was done using Fourier transforms infrared spectroscopy (FTIR), and X-ray diffraction (XRD), Thermogravimetric analysis (TGA). Further, the fabricated nanoparticles were evaluated for their mechanical properties and biocompatibility under storage conditions. In-vivo wound healing was measured by observing a percentage reduction in the wound. RESULTS Zn-SiC NPs have 54.6 ± 5.25 nm mean particle size, -15.9 ± 2.35 mV zeta potential with 0.187 ± 0.05 polydispersity index (PD1). The nanoparticles showed good biocompatibility and in-vivo wound healing properties. CONCLUSIONS These results strongly support the possibility of using these Zn particles loaded on SiC NPs as a promising wound healing agent after cesarean section.
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Affiliation(s)
- Junhong Sun
- Department of Obstetrics, Wenling First People's Hospital, Wenling-317500, China
| | - Xian Zheng
- Department of Obstetrics, Wenling First People's Hospital, Wenling-317500, China
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16
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Schilrreff P, Alexiev U. Chronic Inflammation in Non-Healing Skin Wounds and Promising Natural Bioactive Compounds Treatment. Int J Mol Sci 2022; 23:ijms23094928. [PMID: 35563319 PMCID: PMC9104327 DOI: 10.3390/ijms23094928] [Citation(s) in RCA: 36] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2022] [Revised: 04/22/2022] [Accepted: 04/26/2022] [Indexed: 12/14/2022] Open
Abstract
Chronic inflammation is one of the hallmarks of chronic wounds and is tightly coupled to immune regulation. The dysregulation of the immune system leads to continuing inflammation and impaired wound healing and, subsequently, to chronic skin wounds. In this review, we discuss the role of the immune system, the involvement of inflammatory mediators and reactive oxygen species, the complication of bacterial infections in chronic wound healing, and the still-underexplored potential of natural bioactive compounds in wound treatment. We focus on natural compounds with antioxidant, anti-inflammatory, and antibacterial activities and their mechanisms of action, as well as on recent wound treatments and therapeutic advancements capitalizing on nanotechnology or new biomaterial platforms.
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17
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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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18
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Long LY, Liu W, Li L, Hu C, He S, Lu L, Wang J, Yang L, Wang YB. Dissolving microneedle-encapsulated drug-loaded nanoparticles and recombinant humanized collagen type III for the treatment of chronic wound via anti-inflammation and enhanced cell proliferation and angiogenesis. NANOSCALE 2022; 14:1285-1295. [PMID: 35006234 DOI: 10.1039/d1nr07708b] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Nowadays, diabetic chronic wounds impose a heavy burden on patients and the medical system. Persistent inflammation and poor tissue remodeling severely limit the healing of chronic wounds. For these issues, the first recombinant humanized collagen type III (rhCol III) and naproxen (Nap) loaded poly(lactic-co-glycolic acid) (PLGA) nanoparticle incorporated hyaluronic acid (HA) microneedle (MN) was fabricated for diabetic chronic wound therapy. As the tailored rhCol III was synthesized based on the Gly483-Pro512 segment, which contained the highly adhesive fragments (GER, GEK) in the human collagen type III sequence, it possessed strong cell adhesion. The mechanical strength of the prepared MN was enough to overcome the tissue barrier of necrosis/hyperkeratosis in a minimally invasive way after being applied in wounds. Subsequently, rhCol III and Nap@PLGA nanoparticles were rapidly released to the wound site within a few minutes. The prepared MN possessed favourable biocompatibility and could effectively facilitate the proliferation and migration of fibroblasts and endothelial cells. Furthermore, the regenerative efficacy of the MN was evaluated in vivo using the diabetic rat full-thickness skin wound model. These results illustrated that the prepared MN could accelerate wound closure by reducing the inflammatory response and enhancing angiogenesis or collagen deposition, indicating their significant application value in wound dressings for chronic wound repair.
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Affiliation(s)
- Lin-Yu Long
- National Engineering Research Center for Biomaterials, Chuanda-Jinbo Joint Research Center, Sichuan University, Chengdu, 610064, China.
| | - Wenqi Liu
- National Engineering Research Center for Biomaterials, Chuanda-Jinbo Joint Research Center, Sichuan University, Chengdu, 610064, China.
| | - Li Li
- Institute of Clinical Pathology, West China Hospital of Sichuan University, Chengdu, 610041, China
| | - Cheng Hu
- National Engineering Research Center for Biomaterials, Chuanda-Jinbo Joint Research Center, Sichuan University, Chengdu, 610064, China.
| | - Shuyi He
- National Engineering Research Center for Biomaterials, Chuanda-Jinbo Joint Research Center, Sichuan University, Chengdu, 610064, China.
| | - Lu Lu
- Key Laboratory of Medical Molecular Virology (MOE/NHC/CAMS), School of Basic Medical Sciences and Shanghai Public Health Clinical Center, Fudan-Jinbo Joint Research Center, Fudan University, Shanghai, 200302, China
| | - Jian Wang
- Shanxi Jinbo Bio-Pharmaceutical Co., Ltd, Taiyuan, 030032, China
| | - Li Yang
- National Engineering Research Center for Biomaterials, Chuanda-Jinbo Joint Research Center, Sichuan University, Chengdu, 610064, China.
| | - Yun-Bing Wang
- National Engineering Research Center for Biomaterials, Chuanda-Jinbo Joint Research Center, Sichuan University, Chengdu, 610064, China.
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19
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Thapa RK, Grønlien KG, Tønnesen HH. Protein-Based Systems for Topical Antibacterial Therapy. FRONTIERS IN MEDICAL TECHNOLOGY 2022; 3:685686. [PMID: 35047932 PMCID: PMC8757810 DOI: 10.3389/fmedt.2021.685686] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2021] [Accepted: 06/01/2021] [Indexed: 12/12/2022] Open
Abstract
Recently, proteins are gaining attention as potential materials for antibacterial therapy. Proteins possess beneficial properties such as biocompatibility, biodegradability, low immunogenic response, ability to control drug release, and can act as protein-mimics in wound healing. Different plant- and animal-derived proteins can be developed into formulations (films, hydrogels, scaffolds, mats) for topical antibacterial therapy. The application areas for topical antibacterial therapy can be wide including bacterial infections in the skin (e.g., acne, wounds), eyelids, mouth, lips, etc. One of the major challenges of the healthcare system is chronic wound infections. Conventional treatment strategies for topical antibacterial therapy of infected wounds are inadequate, and the development of newer and optimized formulations is warranted. Therefore, this review focuses on recent advances in protein-based systems for topical antibacterial therapy in infected wounds. The opportunities and challenges of such protein-based systems along with their future prospects are discussed.
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Affiliation(s)
- Raj Kumar Thapa
- Section for Pharmaceutics and Social Pharmacy, Department of Pharmacy, University of Oslo, Oslo, Norway
| | | | - Hanne Hjorth Tønnesen
- Section for Pharmaceutics and Social Pharmacy, Department of Pharmacy, University of Oslo, Oslo, Norway
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20
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Dayani L, Taheri A, Taymouri S, Najafi RB, Esmaeilian F. Preparation and in vitro evaluation of Vancomycin loaded Montmorillonite-Sodium Alginate topical gel for wound infection. BRAZ J PHARM SCI 2022. [DOI: 10.1590/s2175-97902022e21034] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023] Open
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21
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Vendidandala NR, Yin TP, Nelli G, Pasupuleti VR, Nyamathulla S, Mokhtar SI. Gallocatechin‑silver nanoparticle impregnated cotton gauze patches enhance wound healing in diabetic rats by suppressing oxidative stress and inflammation via modulating the Nrf2/HO-1 and TLR4/NF-κB pathways. Life Sci 2021; 286:120019. [PMID: 34624322 DOI: 10.1016/j.lfs.2021.120019] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2021] [Revised: 09/20/2021] [Accepted: 09/30/2021] [Indexed: 12/29/2022]
Abstract
This study is designed to investigate the combination of gallocatechin (GC) and silver nanoparticles (AgNPs) for its wound healing ability in diabetic rats. Thirty male Sprague Dawley rats were randomly divided into 5 groups: 1. Normal control rats dressed with blank CGP1; 2. Diabetic rats dressed with blank CGP1; 3. Diabetic rats dressed with 13.06μM of GC; 4. Diabetic rats dressed with 26.12 μM of GC; 5. Diabetic rats dressed with 0.1% silver sulfadiazine patches. GC-AgNPs-CGP dressed diabetic rats showed significant FBG reduction, prevented the body weight losses and reduced the oxidative stress by lowering MDA content and elevated antioxidant enzymes such as SOD, CAT and GPx in wound healing skin of diabetic rats when compared to normal CGP. Besides, mRNA expression of Nrf2, Nqo-1, and Ho-1 was upregulated with downregulated expression of Keap-1 mRNA, which is supported by immunohistochemistry. Furthermore, GC-AgNPs-CGP dressing increased growth factors such as VEGF, EGF, TGF-β, and FGF-2 while decreasing MMP-2 in the skin of diabetic wound rats. In vitro permeation study demonstrated rapid GC release and permeation with a flux of 0.061 and 0.143 mg/sq.cm/h. In conclusion, the results indicated that GC-AgNPs-CGP dressing on diabetic wound rats modulated oxidative stress and inflammation with elevated growth factors; increased collagen synthesis thereby significantly improved the wound healing and could be beneficial for the management of diabetic wounds.
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Affiliation(s)
- Nagarjuna Reddy Vendidandala
- Faculty of Agro Based Industry, University Malaysia Kelantan, Jeli Campus, Locked bag 100, Jeli 17600, Kelantan, Malaysia
| | - Tan Pei Yin
- Department of Pharmaceutical Technology, Faculty of Pharmacy, Universiti Malaya, 50603 Kuala Lumpur, Malaysia
| | - Giribabu Nelli
- Department of Physiology, Faculty of Medicine, Universiti Malaya, 50603 Kuala Lumpur, Malaysia
| | - Visweswara Rao Pasupuleti
- Faculty of Agro Based Industry, University Malaysia Kelantan, Jeli Campus, Locked bag 100, Jeli 17600, Kelantan, Malaysia; Department of Biomedical Sciences and Therapeutics, Faculty of Medicine and Health Sciences, Universiti Malaysia Sabah, Kota Kinabalu 88400, Sabah, Malaysia; Department of Biochemistry, Faculty of Medicine and Health Sciences, Abdurrab University, Pekanbaru, Riau, Indonesia
| | - Shaik Nyamathulla
- Department of Pharmaceutical Technology, Faculty of Pharmacy, Universiti Malaya, 50603 Kuala Lumpur, Malaysia.
| | - Seri Intan Mokhtar
- Faculty of Agro Based Industry, University Malaysia Kelantan, Jeli Campus, Locked bag 100, Jeli 17600, Kelantan, Malaysia.
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22
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Cationic, anionic and neutral polysaccharides for skin tissue engineering and wound healing applications. Int J Biol Macromol 2021; 192:298-322. [PMID: 34634326 DOI: 10.1016/j.ijbiomac.2021.10.013] [Citation(s) in RCA: 49] [Impact Index Per Article: 16.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2021] [Revised: 09/25/2021] [Accepted: 10/03/2021] [Indexed: 12/17/2022]
Abstract
Today, chronic wound care and management can be regarded as a clinically critical issue. However, the limitations of current approaches for wound healing have encouraged researchers and physicians to develop more efficient alternative approaches. Advances in tissue engineering and regenerative medicine have resulted in the development of promising approaches that can accelerate wound healing and improve the skin regeneration rate and quality. The design and fabrication of scaffolds that can address the multifactorial nature of chronic wound occurrence and provide support for the healing process can be considered an important area requiring improvement. In this regard, polysaccharide-based scaffolds have distinctive properties such as biocompatibility, biodegradability, high water retention capacity and nontoxicity, making them ideal for wound healing applications. Their tunable structure and networked morphology could facilitate a number of functions, such as controlling their diffusion, maintaining wound moisture, absorbing a large amount of exudates and facilitating gas exchange. In this review, the wound healing process and the influential factors, structure and properties of carbohydrate polymers, physical and chemical crosslinking of polysaccharides, scaffold fabrication techniques, and the use of polysaccharide-based scaffolds in skin tissue engineering and wound healing applications are discussed.
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23
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An Update to Dialysis-Based Drug Release Testing-Data Analysis and Validation Using the Pharma Test Dispersion Releaser. Pharmaceutics 2021; 13:pharmaceutics13122007. [PMID: 34959289 PMCID: PMC8708653 DOI: 10.3390/pharmaceutics13122007] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2021] [Revised: 11/20/2021] [Accepted: 11/22/2021] [Indexed: 11/17/2022] Open
Abstract
Currently, a wide variety of complex non-oral dosage forms are entering the global healthcare market. Although many assays have been described in recent research, harmonized procedures and standards for testing their in vitro performance remain widely unexplored. Among others, dialysis-based techniques such as the Pharma Test Dispersion Releaser are developed for testing the release of drugs from nanoparticles, liposomes, or extracellular vesicle preparations. Here, we provide advanced strategies and practical advice for the development and validation of dialysis-based techniques, including documentation, analysis, and interpretation of the raw data. For this purpose, key parameters of the release assay, including the hydrodynamics in the device at different stirring rates, the selectivity for particles and molecules, as well as the effect of excipients on drug permeation were investigated. At the highest stirring rate, a more than twofold increase in the membrane permeation rate (from 0.99 × 10−3 to 2.17 × 10−3 cm2/h) was observed. Additionally, we designed a novel computer model to identify important quality parameters of the dialysis experiment and to calculate error-corrected release profiles. Two hydrophilic creams of diclofenac, Voltaren® Emulgel, and Olfen® gel, were tested and provide first-hand evidence of the robustness of the assay in the presence of semisolid dosage forms.
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Haque ST, Saha SK, Haque ME, Biswas N. Nanotechnology-based therapeutic applications: in vitro and in vivo clinical studies for diabetic wound healing. Biomater Sci 2021; 9:7705-7747. [PMID: 34709244 DOI: 10.1039/d1bm01211h] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Diabetic wounds often indicate chronic complications that are difficult to treat. Unfortunately, existing conventional treatment modalities often cause unpremeditated side effects, given the need to develop alternative therapeutic phenotypes that are safe or have minimal side effects and risks. Nanotechnology-based platforms, including nanotherapeutics, nanoparticles (NPs), nanofibers, nanohydrogels, and nanoscaffolds, have garnered attention for their groundbreaking potential to decipher the biological environment and offer personalized treatment methods for wound healing. These nanotechnology-based platforms can successfully overcome the impediments posed by drug toxicity, existing treatment modalities, and the physiology and complexity of the wound sites. Furthermore, studies have shown that they play an essential role in influencing angiogenesis, collagen production, and extracellular matrix (ECM) synthesis, which are integral in skin repair mechanisms. In this review, we emphasized the importance of various nanotechnology-based platforms for healing diabetic wounds and report on the innovative preclinical and clinical outcomes of different nanotechnology-based platforms. This review also outlined the limitations of existing conventional treatment modalities and summarized the physiology of acute and chronic diabetic wounds.
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Affiliation(s)
- Sheikh Tanzina Haque
- Jeffrey Cheah School of Medicine and Health Sciences, Monash University Malaysia, Jalan Lagoon Selatan, Bandar Sunway, 47500 Subang Jaya, Selangor, Malaysia.
| | - Subbroto Kumar Saha
- Department of Biochemistry and Molecular Medicine, University of California, Davis School of Medicine, Sacramento, CA 95817, USA.,Department of Stem Cell and Regenerative Biotechnology, Incurable Disease Animal Model & Stem Cell Institute (IDASI), Konkuk University, 120 Neugdong-ro, Gwangjin-gu, Seoul 05029, Korea.
| | - Md Enamul Haque
- Department of Biochemistry and Molecular Biology, University of Dhaka, Dhaka 1000, Bangladesh.
| | - Nirupam Biswas
- Department of Surgery, Indiana University School of Medicine, Indianapolis, IN-46202, USA.,Department of Immunology and Microbial Diseases, Albany Medical College, Albany, NY-12208, USA.
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Bhar B, Chouhan D, Pai N, Mandal BB. Harnessing Multifaceted Next-Generation Technologies for Improved Skin Wound Healing. ACS APPLIED BIO MATERIALS 2021; 4:7738-7763. [PMID: 35006758 DOI: 10.1021/acsabm.1c00880] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Dysregulation of sequential and synchronized events of skin regeneration often results in the impairment of chronic wounds. Conventional wound dressings fail to trigger the normal healing mechanism owing to the pathophysiological conditions. Tissue engineering approaches that deal with the fabrication of dressings using various biomaterials, growth factors, and stem cells have shown accelerated healing outcomes. However, most of these technologies are associated with difficulties in scalability and cost-effectiveness of the products. In this review, we survey the latest developments in wound healing strategies that have recently emerged through the multidisciplinary approaches of bioengineering, nanotechnology, 3D bioprinting, and similar cutting-edge technologies to overcome the limitations of conventional therapies. We also focus on the potential of wearable technology that supports complete monitoring of the changes occurring in the wound microenvironment. In addition, we review the role of advanced devices that can precisely enable the delivery of nanotherapeutics, oligonucleotides, and external stimuli in a controlled manner. These technological advancements offer the opportunity to actively influence the regeneration process to benefit the treatment regime further. Finally, the clinical relevance, trajectory, and prospects of this field have been discussed in brief that highlights their potential in providing a beneficial wound care solution at an affordable cost.
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Affiliation(s)
- Bibrita Bhar
- Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati, Guwahati 781039, Assam, India
| | - Dimple Chouhan
- Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati, Guwahati 781039, Assam, India
| | - Nakhul Pai
- Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati, Guwahati 781039, Assam, India
| | - Biman B Mandal
- Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati, Guwahati 781039, Assam, India.,Centre for Nanotechnology, Indian Institute of Technology Guwahati, Guwahati 781039, Assam, India.,School of Health Science and Technology, Indian Institute of Technology Guwahati, Guwahati 781039, Assam, India
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26
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Xu Z, Liang B, Tian J, Wu J. Anti-inflammation biomaterial platforms for chronic wound healing. Biomater Sci 2021; 9:4388-4409. [PMID: 34013915 DOI: 10.1039/d1bm00637a] [Citation(s) in RCA: 51] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Nowadays, there has been an increase in the number of people with chronic wounds, which has resulted in serious health problems worldwide. The rate-limiting stage of chronic wound healing has been found to be the inflammation stage, and strategies for shortening the prolonged inflammatory response have proven to be effective for increasing the healing rate. Recently, various anti-inflammatory strategies (such as anti-inflammatory drugs, antioxidant, NO regulation, antibacterial, immune regulation and angiogenesis) have attracted attention as potential therapeutic pathways. Moreover, various biomaterial platforms based on anti-inflammation therapy strategies have also emerged in the spotlight as potential therapies to accelerate the repair of chronic wounds. In this review, we systematically investigated the advances of various biomaterial platforms based on anti-inflammation strategies for chronic wound healing, to provide valuable guidance for future breakthroughs in chronic wound treatment.
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Affiliation(s)
- Zejun Xu
- Key Laboratory of Sensing Technology and Biomedical Instrument of Guangdong Province, School of Biomedical Engineering, Sun Yat-sen University, Shenzhen 518107, P. R. China.
| | - Biao Liang
- Center of Digestive Endoscopy, Guangdong Second Provincial general Hospital, No. 466, Xingang Middle Road, Guangzhou 510317, Haizhu District, China.
| | - Junzhang Tian
- Center of Digestive Endoscopy, Guangdong Second Provincial general Hospital, No. 466, Xingang Middle Road, Guangzhou 510317, Haizhu District, China.
| | - Jun Wu
- Key Laboratory of Sensing Technology and Biomedical Instrument of Guangdong Province, School of Biomedical Engineering, Sun Yat-sen University, Shenzhen 518107, P. R. China.
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A Rule of Thumb for Evaluating Surface Areas of Chronic Wounds. Adv Skin Wound Care 2021; 34:196-202. [PMID: 33739949 DOI: 10.1097/01.asw.0000734372.16803.37] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
BACKGROUND Rapid estimation of the area of chronic wounds is clinically important. A simple method using the thumb was investigated for universal physical measurement, particularly of small and multiple wounds; the thumb surface area (TSA) was then compared with the total body surface area (TBSA). METHODS A cross-sectional observational study and random sampling were used to obtain the characteristics of 343 participants. Data related to handprint surface area of the thumb and palm were collected using a scanner and laptop and assessed using image software. The TSA as a percentage of TBSA was confirmed based on the traditional rule that regards palmar surface area as 1% of TBSA. Information on factors potentially influencing measurement was gathered with questionnaires to analyze correlations. RESULTS The left and right TSAs were on average 4.27% and 4.28%, respectively, of the palmar surface area for all participants. Multiple linear regression analysis found that male and older participants had higher TSA:TBSA proportions (sex, P = .0020; age, P < .0001). The TSA:TBSA proportion increased by age for both males (by age group, 0.0418%, 0.0426%, 0.0432%, and 0.0460%, respectively) and females (0.0400%, 0.0409%, 0.0427%, and 0.0430%, respectively). CONCLUSIONS Thumb size is relatively stable in relation to TBSA, lending itself to a universal method for estimating the size of chronic wounds as a percentage of TBSA. It therefore represents a convenient physical measurement for assessing the area of burns and other wounds.
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Gao C, Zhang L, Wang J, Jin M, Tang Q, Chen Z, Cheng Y, Yang R, Zhao G. Electrospun nanofibers promote wound healing: theories, techniques, and perspectives. J Mater Chem B 2021; 9:3106-3130. [PMID: 33885618 DOI: 10.1039/d1tb00067e] [Citation(s) in RCA: 75] [Impact Index Per Article: 25.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
At present, the clinical strategies for treating chronic wounds are limited, especially when it comes to pain relief and rapid wound healing. Therefore, there is an urgent need to develop alternative treatment methods. This paper provides a systematic review on recent researches on how electrospun nanofiber scaffolds promote wound healing and how the electrospinning technology has been used for fabricating multi-dimensional, multi-pore and multi-functional nanofiber scaffolds that have greatly promoted the development of wound healing dressings. First, we provide a review on the four stages of wound healing, which is followed by a discussion on the evolvement of the electrospinning technology, what is involved in electrospinning devices, and factors affecting the electrospinning process. Finally, we present the possible mechanisms of electrospun nanofibers to promote wound healing, the classification of electrospun polymers, cell infiltration favoring fiber scaffolds, antibacterial fiber scaffolds, and future multi-functional scaffolds. Although nanofiber scaffolds have made great progress as a type of multi-functional biomaterial, major challenges still remain for commercializing them in a way that fully meets the needs of patients.
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Affiliation(s)
- Chen Gao
- College of Life Sciences, Anhui Medical University, Hefei 230022, Anhui, China
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29
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The Impact of Composites with Silicate-Based Glasses and Gold Nanoparticles on Skin Wound Regeneration. Molecules 2021; 26:molecules26030620. [PMID: 33504095 PMCID: PMC7866013 DOI: 10.3390/molecules26030620] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2020] [Revised: 01/19/2021] [Accepted: 01/19/2021] [Indexed: 01/20/2023] Open
Abstract
The silver content of the skin regeneration ointments can influence its regeneration process but in the meantime, it can take the benefit of the antibacterial properties of silver by avoiding the bacterial infection of an open wound. In the current study, the skin healing and regeneration capacity of bioactive glass with spherical gold nanocages (BGAuIND) in the Vaseline ointments were evaluated in vivo comparing the bioactive glass (BG)-Vaseline and bioactive glass with spherical gold (BGAuSP)-Vaseline ointments. Spherical gold nanocages are stabilized with silver and as a consequence the BGAuIND exhibits great antibacterial activity. Histological examination of the cutaneous tissue performed on day 8 indicates a more advanced regeneration process in rats treated with BGAuSP-Vaseline. The histopathological examination also confirms the results obtained after 11 days post-intervention, when the skin is completely regenerated at rats treated with BGAuSP-Vaseline compared with the others groups where the healing was incomplete. This result is also confirmed by the macroscopic images of the evolution of wounds healing. As expected, the silver content influences the wound healing process but after two weeks, for all of the post-interventional trials from the groups of rats, the skin healing was completely.
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Khan AUR, Huang K, Jinzhong Z, Zhu T, Morsi Y, Aldalbahi A, El-Newehy M, Yan X, Mo X. Exploration of the antibacterial and wound healing potential of a PLGA/silk fibroin based electrospun membrane loaded with zinc oxide nanoparticles. J Mater Chem B 2021; 9:1452-1465. [PMID: 33470267 DOI: 10.1039/d0tb02822c] [Citation(s) in RCA: 45] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Zinc oxide nanoparticles (ZnO NPs) are known for their antibacterial, antioxidant, and anti-inflammatory activities. Moreover, ZnO NPs can stimulate cell migration, re-epithelialization, and angiogenesis. All these attributes are highly relevant to wound healing. Local administration of ZnO NPs to the wound can be achieved through electrospun nanofibers. We hypothesized that the use of poly(lactide-co-glycolic acid) (PLGA)/silk fibroin (SF) nanofiber-based delivery of ZnO would maintain the bioavailability of NPs on the wound area and synchronization with the unique structural features of electrospun nanofibers, could stimulate wound closure, re-epithelialization, collagen deposition, cellular migration, and angiogenesis. In this study, we fabricated PLGA/SF (PS) nanofibrous (NF) membranes with and without ZnO NPs and extensively characterized them for various physicochemical and biological attributes. Scanning electron microscopy (SEM) revealed smooth fibers and ZnO concentration-dependent increase in the fiber diameter. Transmission electron microscopy (TEM) also confirmed the encapsulation of ZnO NPs in the polymer matrix. The successful loading of ZnO was further confirmed by X-ray diffraction. Furthermore, mechanical testing revealed a ZnO concentration-dependent increase in the tensile strength. Moreover, biocompatibility was evaluated through in vitro cell culture. A mild anti-oxidant activity was also noted mainly due to the presence of silk fibroin. In vitro antibacterial tests revealed a ZnO concentration-dependent increase in antibacterial activity and PLGA/SF/3% ZnO (PSZ3) remained completely active against E. coli and S. aureus. More importantly, NF membranes were evaluated for their in vivo wound healing potential. The PSZ3 NF membrane not only facilitated the early wound closure but also remarkably enhanced the quality of wound healing confirmed through histopathological analysis. Re-epithelialization, granulation tissue formation, collagen deposition, and angiogenesis are some of the key parameters significantly boosted by ZnO loaded composite NF membranes. Based on extensive characterization and biological evaluation, the PSZ3 NF membrane has turned out to be a potential candidate for wound healing applications.
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Affiliation(s)
- Atta Ur Rehman Khan
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Chemistry, Chemical Engineering and Biotechnology, Donghua University, Shanghai 201620, P. R. China.
| | - Kai Huang
- Department of Sports Medicine, Department of Orthopedics, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, No. 600 Yishan Road, Shanghai 200233, P. R. China.
| | - Zhao Jinzhong
- Department of Sports Medicine, Department of Orthopedics, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, No. 600 Yishan Road, Shanghai 200233, P. R. China.
| | - Tonghe Zhu
- Multidisciplinary Center for Advanced Materials of Shanghai University of Engineering Science, College of Chemistry and Chemical Engineering, Shanghai University of Engineering Science, No. 333 Longteng Road, Shanghai 201620, People's Republic of China
| | - Yosry Morsi
- Faculty of Engineering and Industrial Sciences, Swinburne University of Technology, Boroondara, VIC 3122, Australia
| | - Ali Aldalbahi
- Department of Chemistry, College of Science, King Saud University, Riyadh 11451, Saudi Arabia
| | - Mohamed El-Newehy
- Department of Chemistry, College of Science, King Saud University, Riyadh 11451, Saudi Arabia
| | - Xiaoyu Yan
- Department of Sports Medicine, Department of Orthopedics, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, No. 600 Yishan Road, Shanghai 200233, P. R. China.
| | - Xiumei Mo
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Chemistry, Chemical Engineering and Biotechnology, Donghua University, Shanghai 201620, P. R. China.
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Jung F, Thurn M, Krollik K, Gao GF, Hering I, Eilebrecht E, Emara Y, Weiler M, Günday-Türeli N, Türeli E, Parnham MJ, Wacker MG. Predicting the environmental emissions arising from conventional and nanotechnology-related pharmaceutical drug products. ENVIRONMENTAL RESEARCH 2021; 192:110219. [PMID: 32980299 DOI: 10.1016/j.envres.2020.110219] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/28/2020] [Revised: 09/07/2020] [Accepted: 09/11/2020] [Indexed: 06/11/2023]
Abstract
Today, environmental pollution with pharmaceutical drugs and their metabolites poses a major threat to the aquatic ecosystems. Active substances such as fenofibrate, are processed to pharmaceutical drug formulations before they are degraded by the human body and released into the wastewater. Compared to the conventional product Lipidil® 200, the pharmaceutical product Lipidil 145 One® and Ecocaps take advantage of nanotechnology to improve uptake and bioavailability of the drug in humans. In the present approach, a combination of in vitro drug release studies and physiologically-based biopharmaceutics modeling was applied to calculate the emission of three formulations of fenofibrate (Lipidil® 200, Lipidil 145 One®, Ecocaps) into the environment. Special attention was paid to the metabolized and non-metabolized fractions and their individual toxicity, as well as to the emission of nanomaterials. The fish embryo toxicity test revealed a lower aquatic toxicity for the metabolite fenofibric acid and therefore an improved toxicity profile. When using the microparticle formulation Lipidil® 200, an amount of 126 mg of non-metabolized fenofibrate was emitted to the environment. Less than 0.05% of the particles were in the lower nanosize range. For the nanotechnology-related product Lipidil 145 One®, the total drug emission was reduced by 27.5% with a nanomaterial fraction of approximately 0.5%. In comparison, the formulation prototype Ecocaps reduced the emission of fenofibrate by 42.5% without any nanomaterials entering the environment. In a streamlined life cycle assessment, the lowered dose in combination with a lowered drug-to-metabolite ratio observed for Ecocaps led to a reduction of the full life cycle impacts of fenofibrate with a reduction of 18% reduction in the global warming potential, 61% in ecotoxicity, and 15% in human toxicity. The integrated environmental assessment framework highlights the outstanding potential of advanced modeling technologies to determine environmental impacts of pharmaceuticals during early drug development using preclinical in vitro data.
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Affiliation(s)
- Fabian Jung
- Fraunhofer Institute for Molecular Biology and Applied Ecology, Branch for Translational Medicine and Pharmacology, Theodor-Stern-Kai 7, 60596, Frankfurt am Main, Germany; Institute of Pharmaceutical Technology, Goethe University, Max-von-Laue-Straße 9, 60438, Frankfurt, Main, Germany
| | - Manuela Thurn
- Fraunhofer Institute for Molecular Biology and Applied Ecology, Branch for Translational Medicine and Pharmacology, Theodor-Stern-Kai 7, 60596, Frankfurt am Main, Germany
| | - Katharina Krollik
- Institute of Pharmaceutical Technology, Goethe University, Max-von-Laue-Straße 9, 60438, Frankfurt, Main, Germany
| | - Ge Fiona Gao
- Institute of Pharmaceutical Technology, Goethe University, Max-von-Laue-Straße 9, 60438, Frankfurt, Main, Germany
| | - Indra Hering
- Fraunhofer Institute for Molecular Biology and Applied Ecology, Branch for Applied Ecology, Auf dem Aberg 1, 57392, Schmallenberg, Germany; Goethe University, Department Aquatic Ecotoxicology, Max-von-Laue-Str. 13, 60438, Frankfurt, Main, Germany
| | - Elke Eilebrecht
- Fraunhofer Institute for Molecular Biology and Applied Ecology, Branch for Applied Ecology, Auf dem Aberg 1, 57392, Schmallenberg, Germany
| | - Yasmine Emara
- Department of Environmental Technology, Technical University Berlin, Straße des 17. Juni 135, 10623, Berlin, Germany
| | - Marc Weiler
- MyBiotech GmbH, Industriestraße 1b, 66802, Überherrn, Germany
| | | | - Emre Türeli
- MyBiotech GmbH, Industriestraße 1b, 66802, Überherrn, Germany
| | - Michael J Parnham
- Fraunhofer Institute for Molecular Biology and Applied Ecology, Branch for Translational Medicine and Pharmacology, Theodor-Stern-Kai 7, 60596, Frankfurt am Main, Germany
| | - Matthias G Wacker
- Department of Pharmacy, Faculty of Science, National University of Singapore, 6 Science Drive 2, Singapore, 117546, Singapore.
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32
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Akhmetova A, Heinz A. Electrospinning Proteins for Wound Healing Purposes: Opportunities and Challenges. Pharmaceutics 2020; 13:E4. [PMID: 33374930 PMCID: PMC7821923 DOI: 10.3390/pharmaceutics13010004] [Citation(s) in RCA: 42] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2020] [Revised: 12/14/2020] [Accepted: 12/18/2020] [Indexed: 01/31/2023] Open
Abstract
With the growth of the aging population worldwide, chronic wounds represent an increasing burden to healthcare systems. Wound healing is complex and not only affected by the patient's physiological conditions, but also by bacterial infections and inflammation, which delay wound closure and re-epithelialization. In recent years, there has been a growing interest for electrospun polymeric wound dressings with fiber diameters in the nano- and micrometer range. Such wound dressings display a number of properties, which support and accelerate wound healing. For instance, they provide physical and mechanical protection, exhibit a high surface area, allow gas exchange, are cytocompatible and biodegradable, resemble the structure of the native extracellular matrix, and deliver antibacterial agents locally into the wound. This review paper gives an overview on cytocompatible and biodegradable fibrous wound dressings obtained by electrospinning proteins and peptides of animal and plant origin in recent years. Focus is placed on the requirements for the fabrication of such drug delivery systems by electrospinning as well as their wound healing properties and therapeutic potential. Moreover, the incorporation of antimicrobial agents into the fibers or their attachment onto the fiber surface as well as their antimicrobial activity are discussed.
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Affiliation(s)
| | - Andrea Heinz
- LEO Foundation Center for Cutaneous Drug Delivery, Department of Pharmacy, University of Copenhagen, 2100 Copenhagen, Denmark;
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Sharma A, Puri V, Kumar P, Singh I. Biopolymeric, Nanopatterned, Fibrous Carriers for Wound Healing Applications. Curr Pharm Des 2020; 26:4894-4908. [DOI: 10.2174/1381612826666200701152217] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2020] [Accepted: 04/11/2020] [Indexed: 12/15/2022]
Abstract
Background:
Any sort of wound injury leads to skin integrity and further leads to wound formation.
Millions of deaths are reported every year, which contributes to an economical hamper world widely, this accounts
for 10% of death rate that insight into various diseases.
Current Methodology:
Rapid wound healing plays an important role in effective health care. Wound healing is a
multi-factorial physiological process, which helps in the growth of new tissue to render the body with the imperative
barrier from the external environment. The complexity of this phenomenon makes it prone to several abnormalities.
Wound healing, as a normal biological inherent process occurs in the body, which is reaped through four
highly defined programmed phases, such as hemostasis, inflammation, proliferation, and remodeling and these
phases occur in the proper progression. An overview, types, and classification of wounds along with the stages of
wound healing and various factors affecting wound healing have been discussed systematically. Various biopolymers
are reported for developing nanofibers and microfibers in wound healing, which can be used as a therapeutic
drug delivery for wound healing applications. Biopolymers are relevant for biomedical purposes owing to
biodegradability, biocompatibility, and non- toxicity. Biopolymers such as polysaccharides, proteins and various
gums are used for wound healing applications. Patents and future perspectives have been given in the concluding
part of the manuscript. Overall, applications of biopolymers in the development of fibers and their applications in
wound healing are gaining interest in researchers to develop modified biopolymers and tunable delivery systems
for effective management and care of different types of wounds.
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Affiliation(s)
- Ameya Sharma
- Chitkara College of Pharmacy, Chitkara University, Punjab, India
| | - Vivek Puri
- Chitkara College of Pharmacy, Chitkara University, Punjab, India
| | - Pradeep Kumar
- Department of Pharmacy and Pharmacology, School of Therapeutic Sciences, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, 7 York Road, Parktown 2193, South Africa
| | - Inderbir Singh
- Chitkara College of Pharmacy, Chitkara University, Punjab, India
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Iacob AT, Drăgan M, Ionescu OM, Profire L, Ficai A, Andronescu E, Confederat LG, Lupașcu D. An Overview of Biopolymeric Electrospun Nanofibers Based on Polysaccharides for Wound Healing Management. Pharmaceutics 2020; 12:E983. [PMID: 33080849 PMCID: PMC7589858 DOI: 10.3390/pharmaceutics12100983] [Citation(s) in RCA: 86] [Impact Index Per Article: 21.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2020] [Revised: 10/13/2020] [Accepted: 10/14/2020] [Indexed: 12/13/2022] Open
Abstract
Currently, despite the thoroughgoing scientific research carried out in the area of wound healing management, the treatment of skin injuries, regardless of etiology remains a big provocation for health care professionals. An optimal wound dressing should be nontoxic, non-adherent, non-allergenic, should also maintain a humid medium at the wound interfacing, and be easily removed without trauma. For the development of functional and bioactive dressings, they must meet different conditions such as: The ability to remove excess exudates, to allow gaseous interchange, to behave as a barrier to microbes and to external physical or chemical aggressions, and at the same time to have the capacity of promoting the process of healing by stimulating other intricate processes such as differentiation, cell adhesion, and proliferation. Over the past several years, various types of wound dressings including hydrogels, hydrocolloids, films, foams, sponges, and micro/nanofibers have been formulated, and among them, the electrospun nanofibrous mats received an increased interest from researchers due to the numerous advantages and their intrinsic properties. The drug-embedded nanofibers are the potential candidates for wound dressing application by virtue of: Superior surface area-to volume ratio, enormous porosity (can allow oxy-permeability) or reticular nano-porosity (can inhibit the microorganisms'adhesion), structural similitude to the skin extracellular matrix, and progressive electrospinning methodology, which promotes a prolonged drug release. The reason that we chose to review the formulation of electrospun nanofibers based on polysaccharides as dressings useful in wound healing was based on the ever-growing research in this field, research that highlighted many advantages of the nanofibrillary network, but also a marked versatility in terms of numerous active substances that can be incorporated for rapid and infection-free tissue regeneration. In this review, we have extensively discussed the recent advancements performed on electrospun nanofibers (eNFs) formulation methodology as wound dressings, and we focused as well on the entrapment of different active biomolecules that have been incorporated on polysaccharides-based nanofibers, highlighting those bioagents capable of improving the healing process. In addition, in vivo tests performed to support their increased efficacy were also listed, and the advantages of the polysaccharide nanofiber-based wound dressings compared to the traditional ones were emphasized.
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Affiliation(s)
- Andreea-Teodora Iacob
- Department of Pharmaceutical Sciences, Faculty of Pharmacy, University of Medicine and Pharmacy “Grigore T. Popa” Iași, 700115 Iasi, Romania; (A.-T.I.); (M.D.); (O.-M.I.); (D.L.)
| | - Maria Drăgan
- Department of Pharmaceutical Sciences, Faculty of Pharmacy, University of Medicine and Pharmacy “Grigore T. Popa” Iași, 700115 Iasi, Romania; (A.-T.I.); (M.D.); (O.-M.I.); (D.L.)
| | - Oana-Maria Ionescu
- Department of Pharmaceutical Sciences, Faculty of Pharmacy, University of Medicine and Pharmacy “Grigore T. Popa” Iași, 700115 Iasi, Romania; (A.-T.I.); (M.D.); (O.-M.I.); (D.L.)
| | - Lenuța Profire
- Department of Pharmaceutical Sciences, Faculty of Pharmacy, University of Medicine and Pharmacy “Grigore T. Popa” Iași, 700115 Iasi, Romania; (A.-T.I.); (M.D.); (O.-M.I.); (D.L.)
| | - Anton Ficai
- Department of Science and Engineering of Oxide Materials and Nanomaterials, Faculty of Applied Chemistry and Materials Science, University Politehnica of Bucharest, 060042 Bucuresti, Romania;
- Academy of Romanian Scientists, Ilfov st 3, 050085 Bucharest, Romania
| | - Ecaterina Andronescu
- Department of Science and Engineering of Oxide Materials and Nanomaterials, Faculty of Applied Chemistry and Materials Science, University Politehnica of Bucharest, 060042 Bucuresti, Romania;
- Academy of Romanian Scientists, Ilfov st 3, 050085 Bucharest, Romania
| | - Luminița Georgeta Confederat
- Department of Preventive Medicine and Interdisciplinarity, Faculty of Medicine, University of Medicine and Pharmacy “Grigore T. Popa” Iași, 700115 Iasi, Romania;
| | - Dan Lupașcu
- Department of Pharmaceutical Sciences, Faculty of Pharmacy, University of Medicine and Pharmacy “Grigore T. Popa” Iași, 700115 Iasi, Romania; (A.-T.I.); (M.D.); (O.-M.I.); (D.L.)
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35
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Ruggeri M, Bianchi E, Rossi S, Vigani B, Bonferoni MC, Caramella C, Sandri G, Ferrari F. Nanotechnology-Based Medical Devices for the Treatment of Chronic Skin Lesions: From Research to the Clinic. Pharmaceutics 2020; 12:pharmaceutics12090815. [PMID: 32867241 PMCID: PMC7559814 DOI: 10.3390/pharmaceutics12090815] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2020] [Revised: 08/18/2020] [Accepted: 08/20/2020] [Indexed: 12/29/2022] Open
Abstract
Chronic wounds, such as pressure ulcers, diabetic ulcers, venous ulcers and arterial insufficiency ulcers, are lesions that fail to proceed through the normal healing process within a period of 12 weeks. The treatment of skin chronic wounds still represents a great challenge. Wound medical devices (MDs) range from conventional and advanced dressings, up to skin grafts, but none of these are generally recognized as a gold standard. Based on recent developments, this paper reviews nanotechnology-based medical devices intended as skin substitutes. In particular, nanofibrous scaffolds are promising platforms for wound healing, especially due to their similarity to the extracellular matrix (ECM) and their capability to promote cell adhesion and proliferation, and to restore skin integrity, when grafted into the wound site. Nanotechnology-based scaffolds are emphasized here. The discussion will be focused on the definition of critical quality attributes (chemical and physical characterization, stability, particle size, surface properties, release of nanoparticles from MDs, sterility and apyrogenicity), the preclinical evaluation (biocompatibility testing, alternative in vitro tests for irritation and sensitization, wound healing test and animal wound models), the clinical evaluation and the CE (European Conformity) marking of nanotechnology-based MDs.
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Paswan SK, Srivastava S, Rao CV. Wound healing, antimicrobial and antioxidant efficacy of Amaranthus spinosus ethanolic extract on rats. BIOCATALYSIS AND AGRICULTURAL BIOTECHNOLOGY 2020. [DOI: 10.1016/j.bcab.2020.101624] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
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Zheng L, Zhang S, Ying Z, Liu J, Zhou Y, Chen F. Engineering of Aerogel-Based Biomaterials for Biomedical Applications. Int J Nanomedicine 2020; 15:2363-2378. [PMID: 32308388 PMCID: PMC7138623 DOI: 10.2147/ijn.s238005] [Citation(s) in RCA: 44] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2019] [Accepted: 02/25/2020] [Indexed: 12/22/2022] Open
Abstract
Biomaterials with porous structure and high surface area attract growing interest in biomedical research and applications. Aerogel-based biomaterials, as highly porous materials that are made from different sources of macromolecules, inorganic materials, and composites, mimic the structures of the biological extracellular matrix (ECM), which is a three-dimensional network of natural macromolecules (e.g., collagen and glycoproteins), and provide structural support and exert biochemical effects to surrounding cells in tissues. In recent years, the higher requirements on biomaterials significantly promote the design and development of aerogel-based biomaterials with high biocompatibility and biological activity. These biomaterials with multilevel hierarchical structures display excellent biological functions by promoting cell adhesion, proliferation, and differentiation, which are critical for biomedical applications. This review highlights and discusses the recent progress in the preparation of aerogel-based biomaterials and their biomedical applications, including wound healing, bone regeneration, and drug delivery. Moreover, the current review provides different strategies for modulating the biological performance of aerogel-based biomaterials and further sheds light on the current status of these materials in biomedical research.
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Affiliation(s)
- Longpo Zheng
- Department of Orthopedics, Shanghai Tenth People’s Hospital, Tongji University School of Medicine, Shanghai200072, People’s Republic of China
| | - Shaodi Zhang
- Department of Orthopedics, Shanghai Tenth People’s Hospital, Tongji University School of Medicine, Shanghai200072, People’s Republic of China
| | - Zhengran Ying
- Department of Orthopedics, Shanghai Tenth People’s Hospital, Tongji University School of Medicine, Shanghai200072, People’s Republic of China
| | - Junjian Liu
- Department of Orthopedics, Shanghai Tenth People’s Hospital, Tongji University School of Medicine, Shanghai200072, People’s Republic of China
| | - Yinghong Zhou
- The Institute of Health and Biomedical Innovation, Queensland University of Technology, Brisbane, QLD4059, Australia
- Key Laboratory of Oral Medicine, Guangzhou Institute of Oral Disease, Stomatology Hospital of Guangzhou Medical University, Guangzhou510140, People’s Republic of China
- The Australia-China Centre for Tissue Engineering and Regenerative Medicine (ACCTERM), Queensland University of Technology (QUT), Brisbane, QLD4000, Australia
| | - Feng Chen
- Department of Orthopedics, Shanghai Tenth People’s Hospital, Tongji University School of Medicine, Shanghai200072, People’s Republic of China
- The Australia-China Centre for Tissue Engineering and Regenerative Medicine (ACCTERM), Queensland University of Technology (QUT), Brisbane, QLD4000, Australia
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Parisotto-Peterle J, Bidone J, Lucca LG, Araújo GDMS, Falkembach MC, da Silva Marques M, Horn AP, Dos Santos MK, da Veiga VF, Limberger RP, Teixeira HF, Dora CL, Koester LS. Healing activity of hydrogel containing nanoemulsified β-caryophyllene. Eur J Pharm Sci 2020; 148:105318. [PMID: 32205230 DOI: 10.1016/j.ejps.2020.105318] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2019] [Revised: 02/28/2020] [Accepted: 03/19/2020] [Indexed: 01/15/2023]
Abstract
β-caryophyllene is a sesquiterpene present in the oil of many plant species, such as Copaifera sp., which has been shown to possesses potent anti-inflammatory action; however, its healing activity remains under study. The objectives of the present study were to produce a nanoemulsion containing β-caryophyllene followed by a hydrogel containing nanoemulsified β-caryophyllene, to evaluate the permeation profile in vitro, and to assess the in vivo healing activity, which is so far unexplored in the literature for pure β-caryophyllene and in pharmaceutical formulation. The nanoemulsion was obtained through high-pressure homogenization and the hydrogel by direct dispersion with hydroxyethylcellulose. Both formulations were characterized according to droplet size, polydispersity index, volume-weighted mean diameters, particle distribution, droplets diameters tracking, zeta potential, viscosity and bioadhesion behavior. β-caryophyllene content was determined by gas chromatography coupled with mass spectrometry (GC/MS). Both formulations presented a nanometric droplet size, negative zeta potential, high β-caryophyllene content, and were stable for 60 days. In agreement with the viscosity results, the hydrogel containing the β-caryophyllene nanoemulsion showed superior bioadhesiveness than the nanoemulsion. The skin permeation study in Franz cells demonstrated that isolated β-caryophyllene was unable to cross the stratum corneum and that its nanoemulsification promoted its permeation. On the other hand, in the simulated deeply wounded skin (dermis), no significant differences were observed between the formulations and isolated β-caryophyllene with respect to the amount of marker retention in the dermis, suggesting saturation of this skin layer. For the study of healing activity, the dorsal wound model was performed with an evaluation of the lesion size, anti-inflammatory markers, and antioxidant activity. The initial closure of the wound was achieved sooner in the group treated with the hydrogel containing the β-caryophyllene nanoemulsion, indicating its anti-inflammatory effect. The histological analysis indicated that on day 12 day of the lesion, the hydrogel presented similar results to those of the positive control group (Dersani® oil), proving effectiveness in cutaneous tissue repair.
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Affiliation(s)
- Jonathan Parisotto-Peterle
- Programa de Pós-Graduação em Ciências Farmacêuticas (PPGCF), Faculdade de Farmácia, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brasil
| | - Juliana Bidone
- Programa de Pós-Graduação em Ciências da Saúde (PPGCS), Laboratório de Nanotecnologia, Faculdade de Medicina, Universidade Federal do Rio Grande (FURG), Rio Grande, RS, Brasil
| | - Letícia Grolli Lucca
- Programa de Pós-Graduação em Ciências Farmacêuticas (PPGCF), Faculdade de Farmácia, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brasil
| | - Gabriela de Moraes Soares Araújo
- Programa de Pós-Graduação em Ciências da Saúde (PPGCS), Laboratório de Nanotecnologia, Faculdade de Medicina, Universidade Federal do Rio Grande (FURG), Rio Grande, RS, Brasil
| | - Mariana Corrêa Falkembach
- Programa de Pós-Graduação em Ciências da Saúde (PPGCS), Laboratório de Nanotecnologia, Faculdade de Medicina, Universidade Federal do Rio Grande (FURG), Rio Grande, RS, Brasil
| | - Magno da Silva Marques
- Programa de Pós-Graduação em Ciências Fisiológicas (PPGCF), Laboratório de Histologia, Instituto de Ciências Biológicas, Universidade Federal do Rio Grande (FURG), Rio Grande, RS, Brasil
| | - Ana Paula Horn
- Programa de Pós-Graduação em Ciências Fisiológicas (PPGCF), Laboratório de Histologia, Instituto de Ciências Biológicas, Universidade Federal do Rio Grande (FURG), Rio Grande, RS, Brasil
| | - Maíra Kerpel Dos Santos
- Programa de Pós-Graduação em Ciências Farmacêuticas (PPGCF), Faculdade de Farmácia, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brasil
| | - Valdir Florêncio da Veiga
- Programa de Pós-Graduação em Química, Instituto Militar de Engenharia (IME), Rio de Janeiro, RJ, Brasil
| | - Renata Pereira Limberger
- Programa de Pós-Graduação em Ciências Farmacêuticas (PPGCF), Faculdade de Farmácia, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brasil
| | - Helder Ferreira Teixeira
- Programa de Pós-Graduação em Ciências Farmacêuticas (PPGCF), Faculdade de Farmácia, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brasil
| | - Cristiana Lima Dora
- Programa de Pós-Graduação em Ciências da Saúde (PPGCS), Laboratório de Nanotecnologia, Faculdade de Medicina, Universidade Federal do Rio Grande (FURG), Rio Grande, RS, Brasil
| | - Letícia Scherer Koester
- Programa de Pós-Graduação em Ciências Farmacêuticas (PPGCF), Faculdade de Farmácia, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brasil.
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Cui L, Liang J, Liu H, Zhang K, Li J. Nanomaterials for Angiogenesis in Skin Tissue Engineering. TISSUE ENGINEERING PART B-REVIEWS 2020; 26:203-216. [PMID: 31964266 DOI: 10.1089/ten.teb.2019.0337] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Damage to skin tissue, which causes the disorder of the patient's body homeostasis, threatens the patient's life and increases the personal and social treatment burden. Angiogenesis, a key step in the wound healing process, provides sufficient oxygen and nutrients to the wound area. However, traditional clinical interventions are not enough to stabilize the formation of the vascular system to support wound healing. Due to the unique properties and multiple functions of nanomaterials, it has made a major breakthrough in the application of medicine. Nanomaterials provide a more effective treatment to hasten the angiogenesis and wound healing, by stimulating fundamental factors in the vascular regeneration phase. In the present review article, the basic stages and molecular mechanisms of angiogenesis are analyzed, and the types, applications, and prospects of nanomaterials used in angiogenesis are detailed. Impact statement Wound healing (especially chronic wounds) is currently a clinically important issue. The long-term nonhealing of chronic wounds often plagues patients, medical systems, and causes huge losses to the social economy. There is currently no effective method of treating chronic wounds in the clinic. Angiogenesis is an important step in wound healing. Nanomaterials had properties that are not found in conventional materials, and they have been extensively studied in angiogenesis. This review article provides readers with the molecular mechanisms of angiogenesis and the types and applications of angiogenic nanomaterials, hoping to bring inspiration to overcome chronic wounds.
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Affiliation(s)
- Longlong Cui
- School of Life Science, Zhengzhou University, Zhengzhou, China
| | - Jiaheng Liang
- School of Life Science, Zhengzhou University, Zhengzhou, China
| | - Han Liu
- School of Life Science, Zhengzhou University, Zhengzhou, China
| | - Kun Zhang
- School of Life Science, Zhengzhou University, Zhengzhou, China
| | - Jingan Li
- Henan Key Laboratory of Advanced Magnesium Alloy, Key Laboratory of Materials Processing and Mold Technology (Ministry of Education), School of Material Science and Engineering, Zhengzhou University, Zhengzhou, China
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Malafatti JOD, Bernardo MP, Moreira FKV, Ciol H, Inada NM, Mattoso LH, Paris EC. Electrospun poly(lactic acid) nanofibers loaded with silver sulfadiazine/[Mg–Al]‐layered double hydroxide as an antimicrobial wound dressing. POLYM ADVAN TECHNOL 2020. [DOI: 10.1002/pat.4867] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Affiliation(s)
- João O. D. Malafatti
- National Nanotechnology Laboratory for Agriculture (LNNA)Embrapa Instrumentação São Carlos Brazil
- Department of ChemistryFederal University of São Carlos São Carlos Brazil
| | - Marcela P. Bernardo
- National Nanotechnology Laboratory for Agriculture (LNNA)Embrapa Instrumentação São Carlos Brazil
| | - Francys K. V. Moreira
- Department of Materials EngineeringFederal University of São Carlos São Carlos Brazil
| | - Heloisa Ciol
- São Carlos Institute of PhysicsUniversity of São Paulo São Carlos Brazil
| | - Natalia M. Inada
- São Carlos Institute of PhysicsUniversity of São Paulo São Carlos Brazil
| | - Luiz H.C. Mattoso
- National Nanotechnology Laboratory for Agriculture (LNNA)Embrapa Instrumentação São Carlos Brazil
| | - Elaine C. Paris
- National Nanotechnology Laboratory for Agriculture (LNNA)Embrapa Instrumentação São Carlos Brazil
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Oveissi F, Tavakoli N, Minaiyan M, Mofid MR, Taheri A. Alginate hydrogel enriched with Ambystoma mexicanum epidermal lipoxygenase-loaded pectin nanoparticles for enhanced wound healing. J Biomater Appl 2019; 34:1171-1187. [PMID: 31886725 DOI: 10.1177/0885328219896704] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
Epidermal lipoxygenase enzyme extracted from Ambystoma mexicanum (AmbLOXe) is known to accelerate the wound-healing process. AmbLOXe as a protein suffers from inactivation and losing its activity during formulation. Therefore, a delivery system that protects AmbLOXe from inactivation and preserves its activity is needed. We prepared AmbLOXe-loaded pectin nanoparticles (AmbLOXe Pec-NPs) and placed them into an alginate hydrogel. AmbLOXe Pec-NPs incorporation into the alginate hydrogel provides a means for controlled and sustained delivery of AmbLOXe to the wound site. Furthermore, the suitable swelling behavior and mechanical properties of AmbLOXe Pec-NPs alginate hydrogel make it feasible for clinical use. AmbLOXe Pec-NPs alginate hydrogel significantly enhanced the wound-healing process on the rat full-thickness excisional wounds, increased the rate of wound closure, enhanced the re-epithelialization and decreased the incidence of abnormal scarring. AmbLOXe Pec-NPs alginate hydrogel can be proposed as an effective wound hydrogel for improving wound healing with minimal scarring.
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Affiliation(s)
- Farnoush Oveissi
- Department of Pharmaceutics, Faculty of Pharmacy and Novel Drug Delivery System Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Naser Tavakoli
- Department of Pharmaceutics, Faculty of Pharmacy and Novel Drug Delivery System Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Mohsen Minaiyan
- Department of Pharmacology and Isfahan Pharmaceutical Sciences Research Center, School of Pharmacy and Pharmaceutical Sciences, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Mohammad Reza Mofid
- Department of Biochemistry, Isfahan Pharmaceutical Sciences Research Center and Bioinformatics Research Center, School of Pharmacy, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Azade Taheri
- Department of Pharmaceutics, Faculty of Pharmacy and Novel Drug Delivery System Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
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Marques MR, Choo Q, Ashtikar M, Rocha TC, Bremer-Hoffmann S, Wacker MG. Nanomedicines - Tiny particles and big challenges. Adv Drug Deliv Rev 2019; 151-152:23-43. [PMID: 31226397 DOI: 10.1016/j.addr.2019.06.003] [Citation(s) in RCA: 57] [Impact Index Per Article: 11.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2019] [Revised: 06/10/2019] [Accepted: 06/14/2019] [Indexed: 02/08/2023]
Abstract
After decades of research, nanotechnology has been used in a broad array of biomedical products including medical devices, drug products, drug substances, and pharmaceutical-grade excipients. But like many great achievements in science, there is a fine balance between the risks and opportunities of this new technology. Some materials and surface structures in the nanosize range can exert unexpected toxicities and merit a more detailed safety assessment. Regulatory agencies such as the United States Food and Drug Administration or the European Medicines Agency have started dealing with the potential risks posed by nanomaterials. Considering that a thorough characterization is one of the key aspects of controlling such risks this review presents the regulatory background of nanosafety assessment and provides some practical advice on how to characterize nanomaterials and drug formulations. Further, the challenges of how to maintain and monitor pharmaceutical quality through a highly complex production processes will be discussed.
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Arriagada F, Nonell S, Morales J. Silica-based nanosystems for therapeutic applications in the skin. Nanomedicine (Lond) 2019; 14:2243-2267. [PMID: 31411537 DOI: 10.2217/nnm-2019-0052] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
Aging, exposure to oxidants, infectious pathogens, inflammogens, ultraviolet radiation and other environmental and genetic factors can result in the development of various skin disorders. Despite immense progress being made in dermatological treatments, many skin-associated problems still remain difficult to treat and various therapies have limitations. Progress in silica-based nanomaterials research provides an opportunity to overcome these drawbacks and improve therapies and is a promising tool for inclusion in clinical practice to treat skin diseases. This review focuses on the use of various types of silica nanoparticles with therapeutic applications in various skin disorders. These nanosystems improve treatment efficacy by maintaining or enhancing the effect of several drugs and are useful tools for nanomedicine, pharmaceutical sciences and future clinical applications.
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Affiliation(s)
- Francisco Arriagada
- Departamento de Ciencias y Tecnología Farmacéuticas, Facultad de Ciencias Químicas y Farmacéuticas, Universidad de Chile, Santiago 8380494, Chile
| | - Santi Nonell
- Institut Químic de Sarrià (IQS), University Ramon Llull, Via Augusta 390, 08017 Barcelona, Spain
| | - Javier Morales
- Departamento de Ciencias y Tecnología Farmacéuticas, Facultad de Ciencias Químicas y Farmacéuticas, Universidad de Chile, Santiago 8380494, Chile
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Bernal-Chávez S, Nava-Arzaluz MG, Quiroz-Segoviano RIY, Ganem-Rondero A. Nanocarrier-based systems for wound healing. Drug Dev Ind Pharm 2019; 45:1389-1402. [PMID: 31099263 DOI: 10.1080/03639045.2019.1620270] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
In general, the systems intended for the treatment and recovery of wounds, seek to act as a coating for the damaged area, maintaining an adequate level of humidity, reducing pain, and preventing the invasion and proliferation of microorganisms. Although many of the systems that are currently on the market meet the purposes mentioned above, with the arrival of nanotechnology, it has sought to improve the performance of these coatings. The variety of nano-systems that have been proposed is very extensive, including the use of very different materials (natural or synthetic) ranging from polymers or lipids to systems derived from microorganisms. With the objective of improving the performance of the systems, seeking to combat several of the problems that arise in a wound, especially when it is chronic, these materials have been combined, giving rise to nanocomposites or scaffolds. In recent years, the interest in the development of systems for the treatment of wounds is notable, which is reflected in the increase in publications related to the subject. Therefore, this document presents generalities of systems involving nanocarriers, mentioning some examples of representative systems of each case.
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Affiliation(s)
- S Bernal-Chávez
- a División de Estudios de Posgrado (Tecnología Farmacéutica), Facultad de Estudios Superiores Cuautitlán , Universidad Nacional Autónoma de México , Cuautitlán Izcalli , Mexico
| | - M G Nava-Arzaluz
- a División de Estudios de Posgrado (Tecnología Farmacéutica), Facultad de Estudios Superiores Cuautitlán , Universidad Nacional Autónoma de México , Cuautitlán Izcalli , Mexico
| | - R I Y Quiroz-Segoviano
- a División de Estudios de Posgrado (Tecnología Farmacéutica), Facultad de Estudios Superiores Cuautitlán , Universidad Nacional Autónoma de México , Cuautitlán Izcalli , Mexico
| | - A Ganem-Rondero
- a División de Estudios de Posgrado (Tecnología Farmacéutica), Facultad de Estudios Superiores Cuautitlán , Universidad Nacional Autónoma de México , Cuautitlán Izcalli , Mexico
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Patrulea V, Laurent-Applegate LA, Ostafe V, Borchard G, Jordan O. Polyelectrolyte nanocomplexes based on chitosan derivatives for wound healing application. Eur J Pharm Biopharm 2019; 140:100-108. [PMID: 31085312 DOI: 10.1016/j.ejpb.2019.05.009] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2018] [Revised: 05/09/2019] [Accepted: 05/10/2019] [Indexed: 12/29/2022]
Abstract
Wound healing, when compromised, may be guided by biological cues such as Arg-Gly-Asp (RGD), a peptide known to induce cell adhesion and migration, eventually combined with adapted nanocarriers. Three different formulations were prepared and investigated in vitro for topical application. All formulations were based on carboxylated and trimethylated chitosan (CMTMC) displaying RGD. The polyelectrolyte nanocomplexes were prepared by mixing two oppositely charged polymers of CMTMC and chondroitin sulfate at different polymer ratios and subsequently characterized by dynamic light scattering and scanning electron microscopy. Hydrogels and foams with a high concentration of RGD-functionalized chitosan (3%) and hyaluronic acid (1.5%) that formed gel-embedded nanocomplexes were developed. In vitro assays showed absence of toxicity, ability to promote proliferation over 7 days and promotion of migration of human dermal fibroblasts treated with any of our formulations. These formulations were shown to be suitable for easy topical application and have the potential to accelerate wound healing.
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Affiliation(s)
- Viorica Patrulea
- School of Pharmaceutical Sciences, University of Geneva, University of Lausanne, 1211 Geneva, Switzerland
| | - Lee Ann Laurent-Applegate
- University Hospital of Lausanne (CHUV-UNIL), Department of Musculoskeletal Medicine, EPCR/02/ch Croisettes 22, 1066 Epalinges, Switzerland
| | - Vasile Ostafe
- West University of Timisoara, Department of Chemistry, Timisoara 300115, Romania; West University of Timisoara, Advanced Environmental Research Laboratories, Timisoara 300086, Romania
| | - Gerrit Borchard
- School of Pharmaceutical Sciences, University of Geneva, University of Lausanne, 1211 Geneva, Switzerland
| | - Olivier Jordan
- School of Pharmaceutical Sciences, University of Geneva, University of Lausanne, 1211 Geneva, Switzerland.
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Karimi Dehkordi N, Minaiyan M, Talebi A, Akbari V, Taheri A. Nanocrystalline cellulose-hyaluronic acid composite enriched with GM-CSF loaded chitosan nanoparticles for enhanced wound healing. ACTA ACUST UNITED AC 2019; 14:035003. [PMID: 30690433 DOI: 10.1088/1748-605x/ab026c] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
In recent years, applications of biopolymers such as hyaluronic acid (HA) for wound dressing have attracted more attention. However, the poor mechanical properties of HA-based wound dressings limit their clinical applications. Incorporation of reinforcing agents such as nanocrystalline cellulose (CNC) in HA-based wound dressings can improve their mechanical properties. In addition, controlled delivery of growth factors to the wound site using nanoparticles can significantly improve the healing process. In this study, we focus on development and characterization of a novel CNC reinforced HA-based composite containing chitosan nanoparticles loaded with GM-CSF (CNC-HA/GM-CSF-Chi-NPs composite) as an effective wound dressing. CNC-HA/GM-CSF-Chi-NPs composite showed some physicochemical characteristics such as appropriate mechanical properties, high swelling capacity (swelling ratio: 2622.1% ± 35.2%) and controlled release of GM-CSF up to 48 h which make it an excellent candidate for wound dressing. In vivo investigation showed that, after 13 d, the wounds covered with CNC-HA/GM-CSF-Chi-NPs composite could reach to nearly full wound closure and complete re-epithelialization compared to the normal saline treated wounds which exhibited nearly 70% of wound size reduction. Furthermore, the CNC-HA/GM-CSF-Chi-NPs composite treated wounds exhibited significantly lower inflammatory reaction, enhanced re-epithelialization and improved granulation tissue formation compared with CNC-HA/Chi-NPs composite treated wound; it might be due to positive effects of GM-CSF on the wound healing process. Our results suggest that CNC-HA/GM-CSF-Chi-NPs composite can be potentially applied in clinical practice for wound treatment.
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Affiliation(s)
- Nakisa Karimi Dehkordi
- Novel Drug Delivery Systems Research Center, Department of Pharmaceutics, Faculty of Pharmacy, Isfahan University of Medical Sciences, Isfahan, Iran
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Laghezza Masci V, Taddei A, Courant T, Tezgel O, Navarro F, Giorgi F, Mariolle D, Fausto A, Texier I. Characterization of Collagen/Lipid Nanoparticle–Curcumin Cryostructurates for Wound Healing Applications. Macromol Biosci 2019; 19:e1800446. [DOI: 10.1002/mabi.201800446] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2018] [Revised: 02/01/2019] [Indexed: 12/18/2022]
Affiliation(s)
- Valentina Laghezza Masci
- Department for Innovation in BiologicalAgrifood and Forestry SystemsTuscia University Largo dell'Universita 01100 Viterbo Italy
| | - Anna‐Rita Taddei
- Section of Electron MicroscopyTuscia University Largo dell'Universita 01100 Viterbo Italy
| | - Thomas Courant
- Univ. Grenoble AlpesCEA‐LETI 17 rue des martyrs 38054 Grenoble cedex 9 France
| | - Ozgül Tezgel
- Univ. Grenoble AlpesCEA‐LETI 17 rue des martyrs 38054 Grenoble cedex 9 France
| | - Fabrice Navarro
- Univ. Grenoble AlpesCEA‐LETI 17 rue des martyrs 38054 Grenoble cedex 9 France
| | - Franco Giorgi
- University of Pisa Lungarno Antonio Pacinotti, 43 56126 Pisa Italy
| | - Denis Mariolle
- Univ. Grenoble AlpesCEA‐LETI 17 rue des martyrs 38054 Grenoble cedex 9 France
| | - Anna‐Maria Fausto
- Department for Innovation in BiologicalAgrifood and Forestry SystemsTuscia University Largo dell'Universita 01100 Viterbo Italy
| | - Isabelle Texier
- Univ. Grenoble AlpesCEA‐LETI 17 rue des martyrs 38054 Grenoble cedex 9 France
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Mârza SM, Magyari K, Bogdan S, Moldovan M, Peştean C, Nagy A, Tăbăran F, Licarete E, Suarasan S, Dreanca A, Baia L, Papuc I. Skin wound regeneration with bioactive glass-gold nanoparticles ointment. ACTA ACUST UNITED AC 2019; 14:025011. [PMID: 30630137 DOI: 10.1088/1748-605x/aafd7d] [Citation(s) in RCA: 36] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
The bioactive glasses can lead to the promotion of growth of granulation tissue, while the gold nanoparticles (AuNPs) can induce the acceleration of wound healing including tissue regeneration, connective tissue formation, and angiogenesis. The aim of this study was to evaluate the impact of using the bioactive glass (BG) and BG-AuNPs composites on skin wound healing in experimental rat models for 14 days. Sol-gel derived BGs and BG-AuNPs composites mixed with Vaseline at 6, 12 and 18 wt% were used to evaluate the repair response of the skin. During the process of healing, granulomatous reaction was observed in the wound treated with 12 and 18 wt% BG-Vaseline ointments. Furthermore, a strong vascular proliferation and complete wound regeneration were found in 18%BG-AuNPs-Vaseline treated groups. The results derived from the performed investigations revealed that the 18% BG-AuNPs-Vaseline ointment is a promising candidate for wound healing applications.
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Affiliation(s)
- S M Mârza
- Faculty of Veterinary Medicine, University of Agricultural Science and Veterinary Medicine, 400372 Cluj-Napoca, Romania. Faculty of Physics, Babeș-Bolyai University, 400084 Cluj-Napoca, Romania
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Ternullo S, Basnet P, Holsæter AM, Flaten GE, de Weerd L, Škalko-Basnet N. Deformable liposomes for skin therapy with human epidermal growth factor: The effect of liposomal surface charge. Eur J Pharm Sci 2018; 125:163-171. [PMID: 30300691 DOI: 10.1016/j.ejps.2018.10.005] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2018] [Revised: 10/05/2018] [Accepted: 10/06/2018] [Indexed: 12/14/2022]
Abstract
The topical administration of exogenous human epidermal growth factor (hEGF) is a promising approach for improved chronic wound therapy. To develop therapeutically superior hEGF formulation, we prepared hEGF-containing neutral (NDLs), cationic (CDLs) and anionic (ADLs) deformable liposomes (DLs), respectively, since it is expected that the liposomal surface charge can affect both the liposomal physicochemical properties, their skin penetration potential and therapeutic efficacy of liposome-associated drug. All prepared liposomes were of similar size (300-350 nm) with high hEGF load (~80% entrapment efficacy). Among the studied DLs, ADLs were found to be most promising for sustained release of hEGF, as assessed in vitro using the polyamide membrane. Ex vivo studies revealed that all DLs were excellent systems for skin therapy with hEGF and no penetration of hEGF through the full thickness human skin was detected. ADLs provided a depot exhibiting the highest hEGF retention onto the human skin surface. ADLs also revealed enhanced mitogenic activities in human fibroblasts compared to both NDLs and CDLs after 48 hrs treatment. Moreover, hEGF-containing ADLs significantly enhanced mitogenic activity in fibroblast as compared to activity of hEGF solution (positive control). Similar trends were observed in human keratinocytes after 24 hrs of treatment. We proved that the liposomal surface charge affects the therapeutic potential of hEGF-containing liposomes. hEGF-containing ADLs can be a promising nanosystem-based formulation for localized therapy of chronic wounds.
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Affiliation(s)
- Selenia Ternullo
- Drug Transport and Delivery Research Group, Department of Pharmacy, University of Tromsø The Arctic University of Norway, Universitetsveien 57, 9037 Tromsø, Norway
| | - Purusotam Basnet
- IVF Clinic, Department of Obstetrics and Gynecology, University Hospital of North Norway, Sykehusvegen 38, 9019 Tromsø, Norway; Women's Health and Perinatology Research Group, Department of Clinical Medicine, University of Tromsø The Arctic University of Norway, Universitetsveien 57, 9037 Tromsø, Norway
| | - Ann Mari Holsæter
- Drug Transport and Delivery Research Group, Department of Pharmacy, University of Tromsø The Arctic University of Norway, Universitetsveien 57, 9037 Tromsø, Norway
| | - Gøril Eide Flaten
- Drug Transport and Delivery Research Group, Department of Pharmacy, University of Tromsø The Arctic University of Norway, Universitetsveien 57, 9037 Tromsø, Norway
| | - Louis de Weerd
- Department of Plastic and Reconstructive Surgery, University Hospital of North Norway, Sykehusvegen 38, 9019 Tromsø, Norway; Research Group for Medical Imaging, Department of Clinical Medicine, University of Tromsø The Arctic University of Norway, Universitetsveien 57, 9037 Tromsø, Norway
| | - Nataša Škalko-Basnet
- Drug Transport and Delivery Research Group, Department of Pharmacy, University of Tromsø The Arctic University of Norway, Universitetsveien 57, 9037 Tromsø, Norway.
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