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Vinchhi P, Wui WT, Patel MM. Healing with herbs: an alliance with 'nano' for wound management. Expert Opin Drug Deliv 2024. [PMID: 39095934 DOI: 10.1080/17425247.2024.2388214] [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: 02/15/2024] [Revised: 07/28/2024] [Accepted: 07/31/2024] [Indexed: 08/04/2024]
Abstract
INTRODUCTION Wound healing is an intricate and continual process influenced by numerous factors that necessitate suitable environments to attain healing. The natural ability of wound healing often gets altered by several external and intrinsic factors, leading to chronic wound occurrence. Numerous wound dressings have been developed, however, the currently available alternatives fail to coalesce all conditions obligatory for rapid skin regeneration. AREA COVERED An extensive review of articles on herbal nano-composite wound dressings was conducted using PubMed, Scopus, and Google Scholar databases, from 2006 to 2024. This review entails the pathophysiology and factors leading to non-healing wounds, wound dressing types, the role of herbal bio-actives for wound healing, and the advantages of employing nanotechnology to deliver herbal actives. Numerous nano-composite wound dressings incorporated with phytoconstituents, herbal extracts, and essential oils are discussed. EXPERT OPINION There is a strong substantiation that several herbal bio-actives possess anti-inflammatory, antimicrobial, antioxidant, analgesic, and angiogenesis promoter activities that accelerate the wound healing process. Nanotechnology is a promising strategy to deliver herbal bio-actives as it ascertains their controlled release, enhances bioavailability, improves permeability to underlying skin layers, and promotes wound healing. A combination of herbal actives and nano-based dressings offers a novel arena for wound management.
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Affiliation(s)
| | - Wong Tin Wui
- Non-Destructive Biomedical and Pharmaceutical Research Centre, Smart Manufacturing Research institute, Universiti Teknologi MARA Selangor, Puncak Alam, Malaysia
| | - Mayur M Patel
- Institute of Pharmacy, Nirma University, Ahmedabad, India
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2
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Déchelette C, Smirani R, Médina C, Naveau A. Cellularized Biomaterials Used as Gingival Connective Tissue Substitutes In Vivo: A Systematic Review. TISSUE ENGINEERING. PART B, REVIEWS 2024. [PMID: 38756084 DOI: 10.1089/ten.teb.2024.0031] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/18/2024]
Abstract
Developing an in vitro model of gingival connective tissue that mimics the original structure and composition of gingiva for clinical grafting is relevant for personalized treatment of missing gingiva. Using tissue engineering techniques allows bypassing limitations encountered with existing solutions to increase oral soft tissue volume. This review aims to systematically analyze the different currently existing cellularized materials and technologies used to engineer gingival substitutes for in vivo applications. The Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines were followed. An electronic search on PubMed, Scopus, Web of Science, and Cochrane Library databases was conducted to identify suitable studies. In vivo studies about gingival substitutes and grafts containing oral cells compared with a control to investigate the graft remodeling were included. Risk of bias in the included studies was assessed using the Systematic Review Center for Laboratory animal Experimentation (SYRCLE) 10-item checklist. Out of 631 screened studies, 19 were included. Animal models were mostly rodents, and the most used implantation was subcutaneous. According to the SYRCLE tool, low-to-unclear risk of bias was prevalent. Studies checked vascularization and extracellular remodeling up to 60 days after implantation of the cellularized biomaterial. Cells used were mostly fibroblasts and stem cells from oral origin. Grafts presenting vascularization potential after implantation were produced by tissue engineering technologies including cell seeding or embedding for 14, cell sheets for 2, microsphere for 1, and extrusion 3D bioprinting for 2. Components used to build the scaffold containing the cells are all naturally derived and are mainly fibrin, gelatin, collagen, agarose, alginate, fibroin, guar gum, hyaluronic acid, and decellularized extracellular matrix. The most recurring crosslinking method was using chemicals. All studies except one reported vascularization of the graft after implantation, and some detailed extracellular matrix remodeling. Current solutions are not efficient enough. By assessing the relevant studies on the subject, this systematic review showed that a diversity of cellularized biomaterials substituting gingival connective tissue enables vascularization and extracellular remodeling. Taking the results of this review into account could help improve current bio-inks used in 3D bioprinting for in vivo applications compensating for gingival loss.
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Affiliation(s)
| | - Rawen Smirani
- INSERM BioTis Laboratory, University of Bordeaux, Bordeaux, France
| | - Chantal Médina
- INSERM BioTis Laboratory and ART BioPrint, University of Bordeaux, Bordeaux, France
| | - Adrien Naveau
- INSERM BioTis Laboratory, University of Bordeaux, Bordeaux, France
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3
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Elangovan SM, Muthu Kumar S, Sindhu V, Mahendiran B, Muthusamy S, Krishnakumar GS. Extraction, characterization and biological activity of Galactomannan rich endosperm of Borassus flabellifer (Linn.) suitable for biofabrication of tissue scaffolds. Int J Biol Macromol 2023; 251:126397. [PMID: 37597640 DOI: 10.1016/j.ijbiomac.2023.126397] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2023] [Revised: 08/14/2023] [Accepted: 08/16/2023] [Indexed: 08/21/2023]
Abstract
The study deals with the isolation, purification and characterization of galactomannan from the endosperm of Borassus labellifer (Linn.) to be used for biomaterial fabrication in tissue engineering (TE) applications. The isolated Borassus flabellifer (Linn.) galactomannan (BFG) through a sequential aqueous dissolution, centrifugation and ethanol precipitation presented a total yield of 19.77 ± 1.05 % (w/w) with advantageous compositional and functional properties. BFG was found to have mannose to galactose (M/G) ratio of 1.4:1. The molecular weight of BFG was found to be 4.9 × 105 g/mol and the molecular structure analysis by FTIR and NMR spectroscopy revealed the presence of α-linked, d-galactopyranose units and β-linked, D-mannopyranose units. Further characterization by rheometer confirmed the non-Newtonian and pseudo-plastic behavior of different BFG concentrations and structural analysis by XRD and SEM confirmed the amorphous nature of BFG with the presence of pores and cervices on the rough surface. Finally, the favorable biological activity demonstrated in response to fibroblast cells against different BFG concentrations substantiates its relevance to be used in biofabrication of tissue scaffolds.
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Affiliation(s)
- Sinduja Malarkodi Elangovan
- Department of Biotechnology, Applied Biomaterials Laboratory, PSG Institute of Advanced Studies, Coimbatore, Tamil Nadu, India; Department of Biotechnology, Bannari Amman Institute of Technology, Sathyamangalam, Erode, Tamil Nadu, India
| | - S Muthu Kumar
- Department of Biotechnology, Bannari Amman Institute of Technology, Sathyamangalam, Erode, Tamil Nadu, India
| | - V Sindhu
- Department of Biotechnology, Bannari Amman Institute of Technology, Sathyamangalam, Erode, Tamil Nadu, India
| | - Balaji Mahendiran
- Department of Biotechnology, Applied Biomaterials Laboratory, PSG Institute of Advanced Studies, Coimbatore, Tamil Nadu, India
| | - Shalini Muthusamy
- Department of Biotechnology, Applied Biomaterials Laboratory, PSG Institute of Advanced Studies, Coimbatore, Tamil Nadu, India
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Ersanli C, Voidarou C(C, Tzora A, Fotou K, Zeugolis DI, Skoufos I. Electrospun Scaffolds as Antimicrobial Herbal Extract Delivery Vehicles for Wound Healing. J Funct Biomater 2023; 14:481. [PMID: 37754895 PMCID: PMC10532143 DOI: 10.3390/jfb14090481] [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: 08/02/2023] [Revised: 09/15/2023] [Accepted: 09/17/2023] [Indexed: 09/28/2023] Open
Abstract
Herbal extracts have been used in traditional remedies since the earliest myths. They have excellent antimicrobial, anti-inflammatory, and antioxidant activities owing to various bioactive components in their structure. However, due to their inability to reach a target and low biostability, their use with a delivery vehicle has come into prominence. For this purpose, electrospun nanofibrous scaffolds have been widely preferred for the delivery and release of antimicrobial herbal extracts due to the flexibility and operational versatility of the electrospinning technique. Herein, we briefly reviewed the electrospun nanofibrous scaffolds as delivery systems for herbal extracts with a particular focus on the preclinical studies for wound-healing applications that have been published in the last five years. We also discussed the indirect effects of herbal extracts on wound healing by altering the characteristics of electrospun mats.
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Affiliation(s)
- Caglar Ersanli
- Laboratory of Animal Science, Nutrition and Biotechnology, Department of Agriculture, University of Ioannina, 47100 Arta, Greece;
- Laboratory of Animal Health, Food Hygiene and Quality, Department of Agriculture, University of Ioannina, 47100 Arta, Greece (A.T.); (K.F.)
- Regenerative, Modular & Developmental Engineering Laboratory (REMODEL), Charles Institute of Dermatology, Conway Institute of Biomolecular and Biomedical Research, School of Mechanical and Materials Engineering, University College Dublin, D04 V1W8 Dublin, Ireland;
| | - Chrysoula (Chrysa) Voidarou
- Laboratory of Animal Health, Food Hygiene and Quality, Department of Agriculture, University of Ioannina, 47100 Arta, Greece (A.T.); (K.F.)
| | - Athina Tzora
- Laboratory of Animal Health, Food Hygiene and Quality, Department of Agriculture, University of Ioannina, 47100 Arta, Greece (A.T.); (K.F.)
| | - Konstantina Fotou
- Laboratory of Animal Health, Food Hygiene and Quality, Department of Agriculture, University of Ioannina, 47100 Arta, Greece (A.T.); (K.F.)
| | - Dimitrios I. Zeugolis
- Regenerative, Modular & Developmental Engineering Laboratory (REMODEL), Charles Institute of Dermatology, Conway Institute of Biomolecular and Biomedical Research, School of Mechanical and Materials Engineering, University College Dublin, D04 V1W8 Dublin, Ireland;
| | - Ioannis Skoufos
- Laboratory of Animal Science, Nutrition and Biotechnology, Department of Agriculture, University of Ioannina, 47100 Arta, Greece;
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5
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Tyeb S, Verma V, Kumar N. Polysaccharide based transdermal patches for chronic wound healing: Recent advances and clinical perspective. Carbohydr Polym 2023; 316:121038. [PMID: 37321732 DOI: 10.1016/j.carbpol.2023.121038] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2023] [Revised: 05/02/2023] [Accepted: 05/17/2023] [Indexed: 06/17/2023]
Abstract
Polysaccharides form a major class of natural polymers with diverse applications in biomedical science and tissue engineering. One of the key thrust areas for polysaccharide materials is skin tissue engineering and regeneration, whose market is estimated to reach around 31 billion USD globally by 2030, with a compounded annual growth rate of 10.46 %. Out of this, chronic wound healing and management is a major concern, especially for underdeveloped and developing nations, mainly due to poor access to medical interventions for such societies. Polysaccharide materials have shown promising results and clinical potential in recent decades with regard to chronic wound healing. Their low cost, ease of fabrication, biodegradability, and ability to form hydrogels make them ideal candidates for managing and healing such difficult-to-heal wounds. The present review presents a summary of the recently explored polysaccharide-based transdermal patches for managing and healing chronic wounds. Their efficacy and potency of healing both as active and passive wound dressings are evaluated in several in-vitro and in-vivo models. Finally, their clinical performances and future challenges are summarized to draw a road map towards their role in advanced wound care.
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Affiliation(s)
- Suhela Tyeb
- Department of Materials Engineering, Indian Institute of Science Bangalore, Bengaluru 560012, India
| | - Vivek Verma
- Department of Materials Science and Engineering, Indian Institute of Technology Kanpur, Kanpur 208016, India; Centre for Environmental Sciences and Engineering, Indian Institute of Technology Kanpur, Kanpur 208016, India; Samtel Centre for Display Technologies, Indian Institute of Technology Kanpur, Kanpur 208016, India; National Centre for Flexible Electronics, Indian Institute of Technology Kanpur, Kanpur 208016, India
| | - Nitesh Kumar
- Department of Materials Engineering, Indian Institute of Technology Jammu, Jammu 181221, India.
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Dodi G, Sabau RE, Crețu BEB, Gardikiotis I. Exploring the Antioxidant Potential of Gellan and Guar Gums in Wound Healing. Pharmaceutics 2023; 15:2152. [PMID: 37631366 PMCID: PMC10458899 DOI: 10.3390/pharmaceutics15082152] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2023] [Revised: 08/02/2023] [Accepted: 08/12/2023] [Indexed: 08/27/2023] Open
Abstract
It is acknowledged that the presence of antioxidants boosts the wound-healing process. Many biopolymers have been explored over the years for their antioxidant potential in wound healing, but limited research has been performed on gum structures and their derivatives. This review aims to evaluate whether the antioxidant properties of gellan and guar gums and wound healing co-exist. PubMed was the primary platform used to explore published reports on the antioxidant wound-healing interconnection, wound dressings based on gellan and guar gum, as well as the latest review papers on guar gum. The literature search disclosed that some wound-healing supports based on gellan gum hold considerable antioxidant properties, as evident from the results obtained using different antioxidant assays. It has emerged that the antioxidant properties of guar gum are overlooked in the wound-healing field, in most cases, even if this feature improves the healing outcome. This review paper is the first that examines guar gum vehicles throughout the wound-healing process. Further research is needed to design and evaluate customized wound dressings that can scavenge excess reactive oxygen species, especially in clinical practice.
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Affiliation(s)
- Gianina Dodi
- Biomedical Sciences Department, Faculty of Medical Bioengineering, Grigore T. Popa University of Medicine and Pharmacy of Iasi, 9-13 Kogalniceanu Street, 700454 Iasi, Romania;
| | - Rosina E. Sabau
- Biomedical Sciences Department, Faculty of Medical Bioengineering, Grigore T. Popa University of Medicine and Pharmacy of Iasi, 9-13 Kogalniceanu Street, 700454 Iasi, Romania;
| | - Bianca E.-B. Crețu
- Department of Natural Polymers, Bioactive and Biocompatible Materials, Petru Poni Institute of Macromolecular Chemistry, 41 A Grigore Ghica Voda Alley, 700487 Iasi, Romania;
| | - Ioannis Gardikiotis
- Advanced Research and Development Center for Experimental Medicine, Grigore T. Popa University of Medicine and Pharmacy of Iasi, 9-13 Kogalniceanu Street, 700454 Iasi, Romania;
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Garg SS, Gupta J. Guar gum-based nanoformulations: Implications for improving drug delivery. Int J Biol Macromol 2023; 229:476-485. [PMID: 36603711 DOI: 10.1016/j.ijbiomac.2022.12.271] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2022] [Accepted: 12/24/2022] [Indexed: 01/04/2023]
Abstract
Poorly soluble drugs are reported to easily degrade in the gastrointestinal tract and contribute in limiting the effect of drug to its targeted site. Oral administration of drug is one of the prominent ways to deliver a drug, although, it experiences barriers like acidic pH, presence of microflora and enzymes in the gastrointestinal tract. Collectively all of these participate in the degradation of drug before it reaches its target site and thus, they impede the sustained effect of drug. A quest of choosing a polymer with good stability profile and releasing the drug to its targeted site is always been a challenge for the scientists worldwide. Many polymers have been reported to prevent the degradation of drug and one such naturally occurring biocompatible polymer is guar gum. Guar gum-based nanoformulations have been extensively used in past decades to achieve controlled drug release which defines its importance. The coating of guar gum over the drug improves the bioavailability of the drug and thus helps in minimizing the risk of drug degradation. This review intends to highlight the beneficial role of guar gum-based nanoformulations to improve drug delivery by ameliorating the bioavailibility.
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Affiliation(s)
- Sourbh Suren Garg
- Department of Biochemistry, School of Bioengineering and Biosciences, Lovely Professional University, Punjab, India
| | - Jeena Gupta
- Department of Biochemistry, School of Bioengineering and Biosciences, Lovely Professional University, Punjab, India.
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8
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Özen İ, Bahtiyari Mİ, Haji A, Islam SU, Wang X. Properties of galactomannans and their textile-related applications-A concise review. Int J Biol Macromol 2023; 227:1001-1014. [PMID: 36464192 DOI: 10.1016/j.ijbiomac.2022.11.276] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2022] [Revised: 11/19/2022] [Accepted: 11/27/2022] [Indexed: 12/04/2022]
Abstract
Galactomannans are reserve carbohydrates in legume plants and are primarily extracted from their seeds. They contain galactose side chains throughout the mannose backbone and have unique features such as emulsifying, thickening, and gelling together with biodegradability, biocompatibility, and non-toxicity, which make them an appealing material. Guar gum and locust bean gum mainly are used in all galactomannan needed applications. Nonetheless, tara gum and fenugreek gum have also attracted considerable attention in recent decades. Despite the increased usage of galactomannans in the textile-related fields in recent years, there is no review article published yet. To fill this gap and to demonstrate the striking and increasing importance of galactomannans, a concise summary of the properties of common galactomannans and their comparisons is given first, followed by an account of recent developments and applications of galactomannans in the textile-related fields. The associated potential opportunities are also provided at the end of this review.
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Affiliation(s)
- İlhan Özen
- Department of Textile Engineering, Erciyes University, Melikgazi Kayseri, Türkiye; Institute for Frontier Materials, Deakin University, Geelong, Australia.
| | | | - Aminoddin Haji
- Department of Textile Engineering, Yazd University, Yazd, Iran
| | - Shahid Ul Islam
- Department of Biological and Agricultural Engineering, University of California, Davis, United States
| | - Xungai Wang
- School of Fashion and Textiles, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong.
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9
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Liu H, Bai Y, Huang C, Wang Y, Ji Y, Du Y, Xu L, Yu DG, Bligh SWA. Recent Progress of Electrospun Herbal Medicine Nanofibers. Biomolecules 2023; 13:biom13010184. [PMID: 36671570 PMCID: PMC9855805 DOI: 10.3390/biom13010184] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2022] [Revised: 12/28/2022] [Accepted: 01/09/2023] [Indexed: 01/18/2023] Open
Abstract
Herbal medicine has a long history of medical efficacy with low toxicity, side effects and good biocompatibility. However, the bioavailability of the extract of raw herbs and bioactive compounds is poor because of their low water solubility. In order to overcome the solubility issues, electrospinning technology can offer a delivery alternative to resolve them. The electrospun fibers have the advantages of high specific surface area, high porosity, excellent mechanical strength and flexible structures. At the same time, various natural and synthetic polymer-bound fibers can mimic extracellular matrix applications in different medical fields. In this paper, the development of electrospinning technology and polymers used for incorporating herbal medicine into electrospun nanofibers are reviewed. Finally, the recent progress of the applications of these herbal medicine nanofibers in biomedical (drug delivery, wound dressing, tissue engineering) and food fields along with their future prospects is discussed.
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Affiliation(s)
- Hang Liu
- School of Materials and Chemistry, University of Shanghai for Science and Technology, Shanghai 200093, China
| | - Yubin Bai
- School of Materials and Chemistry, University of Shanghai for Science and Technology, Shanghai 200093, China
| | - Chang Huang
- School of Materials and Chemistry, University of Shanghai for Science and Technology, Shanghai 200093, China
| | - Ying Wang
- School of Materials and Chemistry, University of Shanghai for Science and Technology, Shanghai 200093, China
| | - Yuexin Ji
- School of Materials and Chemistry, University of Shanghai for Science and Technology, Shanghai 200093, China
| | - Yutong Du
- School of Materials and Chemistry, University of Shanghai for Science and Technology, Shanghai 200093, China
| | - Lin Xu
- School of Materials and Chemistry, University of Shanghai for Science and Technology, Shanghai 200093, China
| | - Deng-Guang Yu
- School of Materials and Chemistry, University of Shanghai for Science and Technology, Shanghai 200093, China
- Correspondence: (D.-G.Y.); (S.W.A.B.)
| | - Sim Wan Annie Bligh
- School of Health Sciences, Caritas Institute of Higher Education, Hong Kong 999077, China
- Correspondence: (D.-G.Y.); (S.W.A.B.)
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Kian-Pour N, Yildirim-Yalcin M, Kurt A, Ozmen D, Toker OS. A review on latest innovations in physical modifications of galactomannans. Food Hydrocoll 2023. [DOI: 10.1016/j.foodhyd.2023.108470] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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11
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Demir D, Özdemir S, Gonca S, Bölgen N. Novel styrax liquidus loaded chitosan/polyvinyl alcohol cryogels with antioxidant and antimicrobial properties. J Appl Polym Sci 2022. [DOI: 10.1002/app.52033] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Didem Demir
- Chemical Engineering Department, Engineering Faculty Mersin University Mersin Turkey
| | - Sadin Özdemir
- Food Processing Programme, Technical Science Vocational School Mersin University Mersin Turkey
| | - Serpil Gonca
- Department of Medical Laboratory Services, Health Services Vocational School Mersin University Mersin Turkey
| | - Nimet Bölgen
- Chemical Engineering Department, Engineering Faculty Mersin University Mersin Turkey
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Agarwal T, Tan SA, Onesto V, Law JX, Agrawal G, Pal S, Lim WL, Sharifi E, Moghaddam FD, Maiti TK. Engineered herbal scaffolds for tissue repair and regeneration: Recent trends and technologies. BIOMEDICAL ENGINEERING ADVANCES 2021. [DOI: 10.1016/j.bea.2021.100015] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023] Open
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Gu C, Feng J, Waqas A, Deng Y, Zhang Y, Chen W, Long J, Huang S, Chen L. Technological Advances of 3D Scaffold-Based Stem Cell/Exosome Therapy in Tissues and Organs. Front Cell Dev Biol 2021; 9:709204. [PMID: 34568322 PMCID: PMC8458970 DOI: 10.3389/fcell.2021.709204] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2021] [Accepted: 08/05/2021] [Indexed: 12/12/2022] Open
Abstract
Recently, biomaterial scaffolds have been widely applied in the field of tissue engineering and regenerative medicine. Due to different production methods, unique types of three-dimensional (3D) scaffolds can be fabricated to meet the structural characteristics of tissues and organs, and provide suitable 3D microenvironments. The therapeutic effects of stem cell (SC) therapy in tissues and organs are considerable and have attracted the attention of academic researchers worldwide. However, due to the limitations and challenges of SC therapy, exosome therapy can be used for basic research and clinical translation. The review briefly introduces the materials (nature or polymer), shapes (hydrogels, particles and porous solids) and fabrication methods (crosslinking or bioprinting) of 3D scaffolds, and describes the recent progress in SC/exosome therapy with 3D scaffolds over the past 5 years (2016-2020). Normal SC/exosome therapy can improve the structure and function of diseased and damaged tissues and organs. In addition, 3D scaffold-based SC/exosome therapy can significantly improve the structure and function cardiac and neural tissues for the treatment of various refractory diseases. Besides, exosome therapy has the same therapeutic effects as SC therapy but without the disadvantages. Hence, 3D scaffold therapy provides an alternative strategy for treatment of refractory and incurable diseases and has entered a transformation period from basic research into clinical translation as a viable therapeutic option in the future.
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Affiliation(s)
- Chenyang Gu
- Department of Neurosurgery, Neuroscience Center, Integrated Hospital of Traditional Chinese Medicine, Southern Medical University, Guangzhou, China
| | - Jia Feng
- Department of Neurosurgery, Neuroscience Center, Integrated Hospital of Traditional Chinese Medicine, Southern Medical University, Guangzhou, China
- School of Medicine, Southeast University, Nanjing, China
| | - Ahmed Waqas
- School of Medicine, Southeast University, Nanjing, China
| | - Yushu Deng
- Department of Neurosurgery, Neuroscience Center, Integrated Hospital of Traditional Chinese Medicine, Southern Medical University, Guangzhou, China
| | - Yifan Zhang
- Department of Neurosurgery, Neuroscience Center, Integrated Hospital of Traditional Chinese Medicine, Southern Medical University, Guangzhou, China
| | - Wanghao Chen
- Department of Neurosurgery, Ninth People Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Jun Long
- Department of Neurosurgery, Neuroscience Center, Integrated Hospital of Traditional Chinese Medicine, Southern Medical University, Guangzhou, China
| | - Shiying Huang
- School of Traditional Chinese Medicine, Southern Medical University, Guangzhou, China
| | - Lukui Chen
- Department of Neurosurgery, Neuroscience Center, Integrated Hospital of Traditional Chinese Medicine, Southern Medical University, Guangzhou, China
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Sellappan LK, Sanmugam A, Manoharan S. Fabrication of dual layered biocompatible herbal biopatch from biological waste for skin - tissue regenerative applications. Int J Biol Macromol 2021; 183:1106-1118. [PMID: 33984381 DOI: 10.1016/j.ijbiomac.2021.05.039] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2021] [Revised: 04/23/2021] [Accepted: 05/04/2021] [Indexed: 11/28/2022]
Abstract
A dual layered herbal biopolymeric patch (biopatch) with enhanced wound healing efficiency and skin mimicking functions was fabricated for skin-tissue regenerative applications. In this study, hoof keratin (KE) extracted from biological waste and gelatin (GE) was employed for KE-GE biosheet fabrication using a simple casting method. Further, the top layer of the fabricated KE-GE biosheet was coated with bioactive Matricaria recutita (Chamomile flower) extract (CH) with gelatin through an electrospraying method. The optimized dual layered herbal biopatch (KE-GE/GE-CH) exhibits strong physiochemical (FTIR, XRD TG-DTA), mechanical (tensile strength) and biological (in vitro and in vivo) studies. Moreover, the morphology (SEM) of soft mimetic biopatch possesses excellent cell-material interaction and cell proliferation which accelerates the wound healing process. Biopatch demonstrates a proven degradation profile with good swelling features to achieve more than 80% herbal drug release in 96 h. Antimicrobial properties also reveal the potential activity of biopatch against bacterial microbes. In addition, in vitro cell viability using NIH 3T3 fibroblast cell lines and in vivo investigations revealed that the biopatch is non-cytotoxic, increases collagen deposition and shows rapid reepithelialization at the wound site as a potential wound dressing. We anticipated that the biological hoof keratin and bioactive herbal extract coated biopatch could serve as a desirable wound dressing candidate to suit various skin tissue regenerative applications.
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Affiliation(s)
- Logesh Kumar Sellappan
- Department of Biomedical Engineering, Dr. N.G.P. Institute of Technology, Coimbatore 641048, India.
| | - Anandhavelu Sanmugam
- Department of Chemistry, Vel Tech Multi Tech Engineering College, Chennai 600062, India.
| | - Swathy Manoharan
- Department of Biomedical Engineering, K.P.R. Institute of Engineering and Technology, Coimbatore 641407, India
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15
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Kim D, Lee AE, Xu Q, Zhang Q, Le AD. Gingiva-Derived Mesenchymal Stem Cells: Potential Application in Tissue Engineering and Regenerative Medicine - A Comprehensive Review. Front Immunol 2021; 12:667221. [PMID: 33936109 PMCID: PMC8085523 DOI: 10.3389/fimmu.2021.667221] [Citation(s) in RCA: 70] [Impact Index Per Article: 23.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2021] [Accepted: 03/30/2021] [Indexed: 12/15/2022] Open
Abstract
A unique subpopulation of mesenchymal stem cells (MSCs) has been isolated and characterized from human gingival tissues (GMSCs). Similar to MSCs derived from other sources of tissues, e.g. bone marrow, adipose or umbilical cord, GMSCs also possess multipotent differentiation capacities and potent immunomodulatory effects on both innate and adaptive immune cells through the secretion of various types of bioactive factors with immunosuppressive and anti-inflammatory functions. Uniquely, GMSCs are highly proliferative and have the propensity to differentiate into neural cell lineages due to the neural crest-origin. These properties have endowed GMSCs with potent regenerative and therapeutic potentials in various preclinical models of human disorders, particularly, some inflammatory and autoimmune diseases, skin diseases, oral and maxillofacial disorders, and peripheral nerve injuries. All types of cells release extracellular vesicles (EVs), including exosomes, that play critical roles in cell-cell communication through their cargos containing a variety of bioactive molecules, such as proteins, nucleic acids, and lipids. Like EVs released by other sources of MSCs, GMSC-derived EVs have been shown to possess similar biological functions and therapeutic effects on several preclinical diseases models as GMSCs, thus representing a promising cell-free platform for regenerative therapy. Taken together, due to the easily accessibility and less morbidity of harvesting gingival tissues as well as the potent immunomodulatory and anti-inflammatory functions, GMSCs represent a unique source of MSCs of a neural crest-origin for potential application in tissue engineering and regenerative therapy.
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Affiliation(s)
- Dane Kim
- Department of Oral & Maxillofacial Surgery & Pharmacology, School of Dental Medicine, University of Pennsylvania, Philadelphia, PA, United States
| | - Alisa E Lee
- Department of Oral & Maxillofacial Surgery & Pharmacology, School of Dental Medicine, University of Pennsylvania, Philadelphia, PA, United States
| | - Qilin Xu
- Department of Oral & Maxillofacial Surgery & Pharmacology, School of Dental Medicine, University of Pennsylvania, Philadelphia, PA, United States
| | - Qunzhou Zhang
- Department of Oral & Maxillofacial Surgery & Pharmacology, School of Dental Medicine, University of Pennsylvania, Philadelphia, PA, United States
| | - Anh D Le
- Department of Oral & Maxillofacial Surgery & Pharmacology, School of Dental Medicine, University of Pennsylvania, Philadelphia, PA, United States.,Center of Innovation & Precision Dentistry, School of Dental Medicine, School of Engineering and Applied Sciences, University of Pennsylvania, Philadelphia, PA, United States.,Department of Oral & Maxillofacial Surgery, Penn Medicine Hospital of the University of Pennsylvania, Philadelphia, PA, United States
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Ekambaram R, Sugumar M, Swaminathan E, Micheal Raj AP, Dharmalingam S. Design and fabrication of electrospun Morinda citrifolia-based nanofibrous scaffold as skin wound dressing material: in vitroand in silicoanalysis. Biomed Mater 2021; 16. [PMID: 33725680 DOI: 10.1088/1748-605x/abef59] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2020] [Accepted: 03/16/2021] [Indexed: 11/11/2022]
Abstract
Wound healing is an urgent problem that impacts quality of life, and the need for biomaterials suitable for the treatment of skin wound healing disease is increasing annually. Innovative biomaterials and treatments for skin abrasions are being relentlessly researched and established in order to improve treatment efficacy. Here, we describe a novel electrospun polymeric nanofibrous scaffold enriched with pharmaceutical bioactive materials extracted fromMorinda citrifolia(MC), which demonstrated efficient skin wound healing therapy due to its excellent human skin keratinocyte proliferation and adhesion inin vitroanalysis. Surface morphological analysis was used to reveal the nano-architectural structure of the electrospun scaffolds. The fabricated nanofibers displayed good antibacterial efficacy by creating an inhibitory zone for the pathogenic microbes studied. MC supported active healing due to the presence of pharmaceuticals associated with wound healing, as revealed by the results of gas chromatography-mass spectrometry and the prediction of activity spectra for substances (PASS) analysis. Since MC is a multi-potential therapeutic herbal plant, it was found that the linoleic acid, olelic acid, and diethyl phthalate present in the extract supported the wound healing proteins glycogen-synthase-kinase-3-β-protein and Protein Data Bank-1Q5K with binding energies of -4.6, -5.2, and -5.9 kcal mol-1, as established by the results ofin silicoanalysis. Thus, by being hydrophilic in nature, targeting wound proteins, increasing the proliferation and adhesion of keratinocytes and combating pathogens, the nanofibrous scaffolds endowed with MC extract proved to be an effective therapeutic material for skin wound dressing applications.
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Affiliation(s)
| | - Moogambigai Sugumar
- Department of Mechanical Engineering, Anna University, Chennai, Tamil Nadu, India
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Verma D, Sharma SK. Recent advances in guar gum based drug delivery systems and their administrative routes. Int J Biol Macromol 2021; 181:653-671. [PMID: 33766594 DOI: 10.1016/j.ijbiomac.2021.03.087] [Citation(s) in RCA: 43] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/01/2021] [Revised: 02/26/2021] [Accepted: 03/15/2021] [Indexed: 01/09/2023]
Abstract
Guar gum-based drug carrier systems have gained attention for the delivery of various therapeutic agents via different administration routes for attaining controlled and sustained release. Guar gum offers a safe and effective system for drug delivery due to its natural occurrence, easy availability, biocompatibility, and biodegradability, besides simple and mild preparation techniques. Furthermore, the possibility of using various routes such as oral, buccal, transdermal, intravenous, and gene delivery further diversify guar gum applications in the biomedical field. This review delineates the recent investigation on guar gum-based drug carrier systems like hydrogels, nanoparticles, nanocomposites, and scaffolds along with their related delivery routes. Also, the inclusion of data of the loading and subsequent release of the drugs enables to explore the noble and improved drug targeting therapies.
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Affiliation(s)
- Diksha Verma
- Department of Chemistry, University of Delhi, Delhi 110 007, India
| | - Sunil K Sharma
- Department of Chemistry, University of Delhi, Delhi 110 007, India.
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An Update on the Potential of Mesenchymal Stem Cell Therapy for Cutaneous Diseases. Stem Cells Int 2021; 2021:8834590. [PMID: 33505474 PMCID: PMC7806381 DOI: 10.1155/2021/8834590] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2020] [Revised: 12/21/2020] [Accepted: 12/25/2020] [Indexed: 12/15/2022] Open
Abstract
Mesenchymal stem or stromal cells (MSCs) are nonhematopoietic postnatal stem cells with self-renewal, multipotent differentiation, and potent immunomodulatory and anti-inflammatory capabilities, thus playing an important role in tissue repair and regeneration. Numerous clinical and preclinical studies have demonstrated the potential application of MSCs in the treatment of tissue inflammation and immune diseases, including inflammatory skin diseases. Therefore, understanding the biological and immunological characteristics of MSCs is important to standardize and optimize MSC-based regenerative therapy. In this review, we highlight the mechanisms underlying MSC-mediated immunomodulation and tissue repair/regeneration and present the latest development of MSC-based clinical trials on cutaneous diseases.
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Kalachaveedu M, Jenifer P, Pandian R. In vivo evaluation of acalypha indica extract incorporated electrospun guar/pva nanofibrous mats for use as active wound dressing material. Pharmacogn Mag 2021. [DOI: 10.4103/pm.pm_275_21] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
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