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Geetha V, Mayookha VP, Das M, Kumar GS. Bioactive carbohydrate polymers from marine sources as potent nutraceuticals in modulating obesity: a review. Food Sci Biotechnol 2024; 33:1517-1528. [PMID: 38623423 PMCID: PMC11016051 DOI: 10.1007/s10068-024-01525-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2023] [Revised: 12/28/2023] [Accepted: 01/10/2024] [Indexed: 04/17/2024] Open
Abstract
The majority of bioactive polysaccharides are present in some marine creatures. These polysaccharides are considered as promising anti-obesity agents, their anti-obesity properties involve a number of mechanisms, including suppression of lipid metabolism and absorption, impact on satiety, and prevention of adipocyte differentiation. Obesity is linked to type 2 diabetes, cardiovascular disease, and other metabolic syndromes. In this review various bioactive polysaccharides like chitin, chitosan, fucosylated chondroitin sulphate, chitooligosaccharides and glycosaminoglycans have been discussed for their anti-obesity effects through various pathways. Critical evaluation of observational studies and intervention trials on obesity, lipid hypertrophy, dyslipidemia, and type 2 diabetes was done with a primary focus on specific marine fauna polysaccharide as a source of seafood that is consumed all over the world. It has been observed that consumption of individual seafood constituents was effective in reducing obesity. Thus, marine derived novel bioactive polysaccharides have potential applications in food and pharmaceutical industries.
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Affiliation(s)
- V. Geetha
- Department of Biochemistry, CSIR-Central Food Technological Research Institute, Mysuru, 570020 India
- Department of Biosciences, Mangalore University, Mangalagangothri, Mangalore, Karnataka 574199 India
| | - V. P. Mayookha
- Department of Biochemistry, CSIR-Central Food Technological Research Institute, Mysuru, 570020 India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002 India
| | - Moumita Das
- Department of Biochemistry, CSIR-Central Food Technological Research Institute, Mysuru, 570020 India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002 India
| | - G. Suresh Kumar
- Department of Biochemistry, CSIR-Central Food Technological Research Institute, Mysuru, 570020 India
- Department of Biosciences, Mangalore University, Mangalagangothri, Mangalore, Karnataka 574199 India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002 India
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Esposito J, Cunha PDS, Martins TMDM, Melo MIAD, Sá MAD, Gomes DA, Góes AMD. Comparison of skeletal muscle decellularization protocols and recellularization with adipose-derived stem cells for tissue engineering. Biologicals 2024; 86:101767. [PMID: 38704951 PMCID: PMC11166402 DOI: 10.1016/j.biologicals.2024.101767] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2023] [Revised: 02/15/2024] [Accepted: 04/24/2024] [Indexed: 05/07/2024] Open
Abstract
Decellularization is a novel technique employed for scaffold manufacturing, as a strategy for skeletal muscle (SM) tissue engineering applications. However, poor decellularization efficacy is still a problem for the use of decellularized scaffolds as truly biocompatible biomaterials. For recellularization, adipose-derived stem cells (ASCs) are a good option, due to their immunomodulatory and pro-regenerative capacity, but few studies have described their combination with muscle-decellularized matrices (mDMs). This work aimed to evaluate the efficiency of four multi-step decellularization protocols to produce mDMs and to investigate in vitro biocompatibility with ASCs. Here, we described the different efficacies of muscle decellularization methods, suggesting the need for stricter standardization of the method, considering the large range of applications in SM tissue engineering, which is also a promising platform for preclinical studies with rat disease models using autologous cells.
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Affiliation(s)
- Joyce Esposito
- Department of Biochemistry and Immunology, Institute of Biological Sciences, Federal University of Minas Gerais, 31270-901, Belo Horizonte, MG, Brazil.
| | - Pricila da Silva Cunha
- Department of Biochemistry and Immunology, Institute of Biological Sciences, Federal University of Minas Gerais, 31270-901, Belo Horizonte, MG, Brazil
| | - Thaís Maria da Mata Martins
- Department of Morphology, Institute of Biological Sciences, Federal University of Minas Gerais, 31270-901, Belo Horizonte, MG, Brazil
| | - Mariane Izabella Abreu de Melo
- Department of Biochemistry and Immunology, Institute of Biological Sciences, Federal University of Minas Gerais, 31270-901, Belo Horizonte, MG, Brazil
| | - Marcos Augusto de Sá
- Department of Morphology, Institute of Biological Sciences, Federal University of Minas Gerais, 31270-901, Belo Horizonte, MG, Brazil
| | - Dawidson Assis Gomes
- Department of Biochemistry and Immunology, Institute of Biological Sciences, Federal University of Minas Gerais, 31270-901, Belo Horizonte, MG, Brazil
| | - Alfredo Miranda de Góes
- Department of Biochemistry and Immunology, Institute of Biological Sciences, Federal University of Minas Gerais, 31270-901, Belo Horizonte, MG, Brazil; Department of General Pathology, Institute of Biological Sciences, Federal University of Minas Gerais, 31270-901, Belo Horizonte, MG, Brazil
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Polverino G, Russo F, D’Andrea F. Bioactive Dressing: A New Algorithm in Wound Healing. J Clin Med 2024; 13:2488. [PMID: 38731023 PMCID: PMC11084389 DOI: 10.3390/jcm13092488] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2024] [Revised: 04/03/2024] [Accepted: 04/20/2024] [Indexed: 05/13/2024] Open
Abstract
Wound management presents a significant global challenge, necessitating a comprehensive understanding of wound care products and clinical expertise in selecting dressings. Bioactive dressings (BD) represent a diverse category of dressings, capable of influencing wound healing through various mechanisms. These dressings, including honey, hyaluronic acid, collagen, alginates, and polymers enriched with polyhexamethylene biguanide, chitin, and chitosan derivatives, create a conducive environment for healing, promoting moisture balance, pH regulation, oxygen permeability, and fluid management. Interactive dressings further enhance targeted action by serving as substrates for bioactive agents. The continuous evolution of BDs, with new products introduced annually, underscores the need for updated knowledge in wound care. To facilitate dressing selection, a practical algorithm considers wound exudate, infection probability, and bleeding, guiding clinicians through the process. This algorithm aims to optimize wound care by ensuring the appropriate selection of BDs tailored to individual patient needs, ultimately improving outcomes in wound management.
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Affiliation(s)
- Gianmarco Polverino
- Correspondence: (G.P.); (F.R.); Tel.: +39-32-7449-3917 (G.P.); +39-33-3834-1531 (F.R.)
| | - Francesca Russo
- Correspondence: (G.P.); (F.R.); Tel.: +39-32-7449-3917 (G.P.); +39-33-3834-1531 (F.R.)
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Kordestani SS, Habib FN, Fayyazbakhsh F, Mohammadi FS. The scar-reducing effect of a novel chitosan gel: an in vivo study. J Wound Care 2024; 33:cxi-cxvii. [PMID: 38588055 DOI: 10.12968/jowc.2024.33.sup4a.cxi] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/10/2024]
Abstract
OBJECTIVE Scar tissue formation, as a normal part of wound healing, initiates in the proliferation phase, continues after the remodelling phase, and may cause an unpleasant appearance or disruption in normal functioning. This study investigated the effects of a topical gel on acute wound healing and reducing scars in a rat model. METHOD ChitoScar (ChitoTech Company, Iran), a commercial scar-reducing gel based on chitosan, was analysed for antibacterial and antiviral activity through a quantitative suspension test. Its cytotoxic effect was investigated, and then irritation and delayed-type hypersensitivity tests were carried out on rabbits through direct application of the gel. Furthermore, the effect of the chitosan-based gel on wound healing and scar tissue formation was studied in rats with an acute wound in two groups: the treatment group (topical application of the chitosan-based gel); and the control group (without treatment). Histopathological examination was carried out based on the inflammatory cells, collagen fibre, keratinocytes and fibroblasts. RESULTS Analysis revealed that the chitosan-based gel had no cytotoxicity and caused no erythema, oedema, local or other systemic adverse response. Wound healing occurred earlier in the treatment group, which was a result of a significant increase in re-epithelialisation, angiogenesis, fibroblast population and collagen fibre thickness (p<0.05). In the treatment group, wounds healed completely after 21 days and scars totally disappeared after 28 days, while in the control group, wound healing remained incomplete with distinct scar tissue. CONCLUSION The results demonstrated the positive effect of the chitosan-based gel on the duration and quality of the wound healing process, as well as minimising the scar tissue formation in this in vivo study.
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Affiliation(s)
- Soheila Salahshoor Kordestani
- 1 Department of Biomedical Engineering, Amirkabir University of Technology, Tehran, Iran
- 2 ChitoTech Company, Tehran, Iran
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Wang X, Elbahrawi RT, Abdukadir AM, Ali ZM, Chan V, Corridon PR. A proposed model of xeno-keratoplasty using 3D printing and decellularization. Front Pharmacol 2023; 14:1193606. [PMID: 37799970 PMCID: PMC10548234 DOI: 10.3389/fphar.2023.1193606] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2023] [Accepted: 09/06/2023] [Indexed: 10/07/2023] Open
Abstract
Corneal opacity is a leading cause of vision impairment and suffering worldwide. Transplantation can effectively restore vision and reduce chronic discomfort. However, there is a considerable shortage of viable corneal graft tissues. Tissue engineering may address this issue by advancing xeno-keratoplasty as a viable alternative to conventional keratoplasty. In particular, livestock decellularization strategies offer the potential to generate bioartificial ocular prosthetics in sufficient supply to match existing and projected needs. To this end, we have examined the best practices and characterizations that have supported the current state-of-the-art driving preclinical and clinical applications. Identifying the challenges that delimit activities to supplement the donor corneal pool derived from acellular scaffolds allowed us to hypothesize a model for keratoprosthesis applications derived from livestock combining 3D printing and decellularization.
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Affiliation(s)
- Xinyu Wang
- Biomedical Engineering and Healthcare Engineering Innovation Center, Khalifa University, Abu Dhabi, United Arab Emirates
- Department of Immunology and Physiology, College of Medicine and Health Sciences, Khalifa University, Abu Dhabi, United Arab Emirates
| | - Rawdah Taha Elbahrawi
- Department of Immunology and Physiology, College of Medicine and Health Sciences, Khalifa University, Abu Dhabi, United Arab Emirates
| | - Azhar Mohamud Abdukadir
- Department of Immunology and Physiology, College of Medicine and Health Sciences, Khalifa University, Abu Dhabi, United Arab Emirates
| | - Zehara Mohammed Ali
- Department of Immunology and Physiology, College of Medicine and Health Sciences, Khalifa University, Abu Dhabi, United Arab Emirates
| | - Vincent Chan
- Biomedical Engineering and Healthcare Engineering Innovation Center, Khalifa University, Abu Dhabi, United Arab Emirates
| | - Peter R. Corridon
- Biomedical Engineering and Healthcare Engineering Innovation Center, Khalifa University, Abu Dhabi, United Arab Emirates
- Department of Immunology and Physiology, College of Medicine and Health Sciences, Khalifa University, Abu Dhabi, United Arab Emirates
- Center for Biotechnology, Khalifa University, Abu Dhabi, United Arab Emirates
- Hleathcare, Engineering and Innovation Center, Khalifa University, Abu Dhabi, United Arab Emirates
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Johnston A, Callanan A. Recent Methods for Modifying Mechanical Properties of Tissue-Engineered Scaffolds for Clinical Applications. Biomimetics (Basel) 2023; 8:biomimetics8020205. [PMID: 37218791 DOI: 10.3390/biomimetics8020205] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2023] [Revised: 05/03/2023] [Accepted: 05/12/2023] [Indexed: 05/24/2023] Open
Abstract
The limited regenerative capacity of the human body, in conjunction with a shortage of healthy autologous tissue, has created an urgent need for alternative grafting materials. A potential solution is a tissue-engineered graft, a construct which supports and integrates with host tissue. One of the key challenges in fabricating a tissue-engineered graft is achieving mechanical compatibility with the graft site; a disparity in these properties can shape the behaviour of the surrounding native tissue, contributing to the likelihood of graft failure. The purpose of this review is to examine the means by which researchers have altered the mechanical properties of tissue-engineered constructs via hybrid material usage, multi-layer scaffold designs, and surface modifications. A subset of these studies which has investigated the function of their constructs in vivo is also presented, followed by an examination of various tissue-engineered designs which have been clinically translated.
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Affiliation(s)
- Andrew Johnston
- Institute for Bioengineering, School of Engineering, University of Edinburgh, Edinburgh EH9 3DW, UK
| | - Anthony Callanan
- Institute for Bioengineering, School of Engineering, University of Edinburgh, Edinburgh EH9 3DW, UK
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Boamah PO, Onumah J, Aduguba WO, Santo KG. Application of depolymerized chitosan in crop production: A review. Int J Biol Macromol 2023; 235:123858. [PMID: 36871686 DOI: 10.1016/j.ijbiomac.2023.123858] [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: 09/04/2022] [Revised: 02/04/2023] [Accepted: 02/24/2023] [Indexed: 03/06/2023]
Abstract
Currently, chitosan (CHT) is well known for its uses, particularly in veterinary and agricultural fields. However, chitosan's uses suffer greatly due to its extremely solid crystalline structure, it is insoluble at pH levels above or equal to 7. This has sped up the process of derivatizing and depolymerizing it into low molecular weight chitosan (LMWCHT). As a result of its diverse physicochemical as well as biological features which include antibacterial activity, non-toxicity, and biodegradability, LMWCHT has evolved into new biomaterials with extremely complex functions. The most important physicochemical and biological property is antibacterial, which has some degree of industrialization today. CHT and LMWCHT have potential due to the antibacterial and plant resistance-inducing properties when applied in crop production. This study has highlighted the many advantages of chitosan derivatives as well as the most recent studies on low molecular weight chitosan applications in crop development.
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Affiliation(s)
- Peter Osei Boamah
- Department of Ecological Agriculture, Bolgatanga Technical University, Bolgatanga, Ghana.
| | - Jacqueline Onumah
- Department of Ecological Agriculture, Bolgatanga Technical University, Bolgatanga, Ghana
| | | | - Kwadwo Gyasi Santo
- Department of Horticulture and Crop Production, University of Energy and Natural Resources, Ghana
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Nanovaccines against Viral Infectious Diseases. Pharmaceutics 2022; 14:pharmaceutics14122554. [PMID: 36559049 PMCID: PMC9784285 DOI: 10.3390/pharmaceutics14122554] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2022] [Revised: 11/17/2022] [Accepted: 11/18/2022] [Indexed: 11/23/2022] Open
Abstract
Infectious diseases have always been regarded as one of the greatest global threats for the last century. The current ongoing COVID-19 pandemic caused by SARS-CoV-2 is living proof that the world is still threatened by emerging infectious diseases. Morbidity and mortality rates of diseases caused by Coronavirus have inflicted devastating social and economic outcomes. Undoubtedly, vaccination is the most effective method of eradicating infections and infectious diseases that have been eradicated by vaccinations, including Smallpox and Polio. To date, next-generation vaccine candidates with novel platforms are being approved for emergency use, such as the mRNA and viral vectored vaccines against SARS-CoV-2. Nanoparticle based vaccines are the perfect candidates as they demonstrated targeted antigen delivery, improved antigen presentation, and sustained antigen release while providing self-adjuvanting functions to stimulate potent immune responses. In this review, we discussed most of the recent nanovaccines that have found success in immunization and challenge studies in animal models in comparison with their naked vaccine counterparts. Nanovaccines that are currently in clinical trials are also reviewed.
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Elblbesy MA, Hanafy TA, Shawki MM. Polyvinyl alcohol/gum Arabic hydrogel preparation and cytotoxicity for wound healing improvement. E-POLYMERS 2022. [DOI: 10.1515/epoly-2022-0052] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Abstract
The application of pure polyvinyl alcohol (PVA) hydrogel as wound dressing faces many restrictions due to its insufficient elasticity, stiff membrane, and very limited hydrophilicity. These drawbacks can be limited through cross-linking with other natural biopolymers such as gum Arabic (GA). PVA hydrogels blended with six different GA concentrations were prepared. The characterization of these hydrogels was performed by Fourier transform infrared spectrophotometer, X-ray diffraction, and scanning electron microscope. The swelling ratio (% SR) percentage has been calculated. The possible cytotoxicity was determined using a sulforhodamine B assay. Wound healing test was performed on human skin fibroblast cells. Our results indicated that by increasing GA concentration in PVA hydrogel, the % SR increases and the cytotoxicity effect decreases. The results indicate also a significant gradual decrease in the wound area with time as the GA concentration increases in the PVA hydrogel. Therefore, GA improves the biological applications of PVA hydrogel.
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Affiliation(s)
- Mohamed A. Elblbesy
- Medical Biophysics Department, Medical Research Institute, Alexandria University , Alexandria city , Egypt
- Medical Laboratory Technology Department, Faculty of Applied Medical Sciences, University of Tabuk , Tabuk , Saudi Arabia
| | - Taha A. Hanafy
- Department of Physics and Nanotechnology Research Laboratory, Faculty of Science, University of Tabuk , Tabuk , Saudi Arabia
- Department of Physics, Faculty of Science, Fayoum University , El Fayoum , 63514 , Egypt
| | - Mamdouh M. Shawki
- Medical Biophysics Department, Medical Research Institute, Alexandria University , Alexandria city , Egypt
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Green and eco-friendly approaches for the extraction of chitin and chitosan: A review. Carbohydr Polym 2022; 287:119349. [DOI: 10.1016/j.carbpol.2022.119349] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2022] [Revised: 03/09/2022] [Accepted: 03/09/2022] [Indexed: 12/20/2022]
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Zhang Y, Li B, Li D, Jia Y, Lyu X, Zhou M, Zhang Z, Meng M, Wang F. Microstructure, cytocompatibility, and chemical durability of chemically strengthened LAS (Li2O-Al2O3-SiO2) glass-ceramic materials. Ann Ital Chir 2022. [DOI: 10.1016/j.jeurceramsoc.2022.06.063] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Hamdaoui ME, Levy AM, Stuber AB, Girkin CA, Kraft TW, Samuels BC, Grytz R. Scleral crosslinking using genipin can compromise retinal structure and function in tree shrews. Exp Eye Res 2022; 219:109039. [PMID: 35339475 DOI: 10.1016/j.exer.2022.109039] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2022] [Revised: 03/08/2022] [Accepted: 03/13/2022] [Indexed: 01/29/2023]
Abstract
Scleral crosslinking using genipin has been identified as a promising treatment approach for myopia control. The efficacy of genipin to alter biomechanical properties of the sclera has been shown in several animal models of myopia but its safety profile remains unclear. In this safety study, we aim to investigate the effect of scleral crosslinking using retrobulbar injections of genipin on retinal structure and function at genipin doses that were shown to be effective in slowing myopia progression in juvenile tree shrews. To this end, three or five retrobulbar injections of genipin at 0 mM (sham), 10 mM, or 20 mM were performed in one eye every other day. Form deprivation myopia was induced in the injected eye. We quantified retinal function changes using full-field electroretinography and retinal structure changes using in vivo optical coherence tomography imaging and ex vivo histology. The optical coherence tomography results revealed significant thinning of the peripapillary retinal nerve fiber layer in all genipin treated groups including the lowest dose group, which showed no significant treatment effect in slowing myopia progression. In contrast, inducing form deprivation myopia alone and in combination with sham injections caused no obvious thinning of the retinal nerve fiber layer. Electroretinography results showed a significant desensitizing shift of the b-wave semi-saturation constant in the sham group and the second highest genipin dose group, and a significant reduction in b-wave maxima in the two highest genipin dose groups. The ex vivo histology revealed noticeable degeneration of photoreceptors and retinal pigment epithelium in one of two investigated eyes of the highest genipin dose group. While scleral crosslinking using genipin may still be a feasible treatment option for myopia control, our results suggest that repeated retrobulbar injections of genipin at 10 mM or higher are not safe in tree shrews. An adequate and sustained delivery strategy of genipin at lower concentrations will be needed to achieve a safe and effective scleral crosslinking treatment for myopia control in tree shrews. Caution should be taken if the proposed treatment approach is translated to humans.
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Affiliation(s)
- Mustapha El Hamdaoui
- Department of Ophthalmology and Visual Sciences, University of Alabama at Birmingham, Birmingham, AL, USA
| | - Alexander M Levy
- Department of Biomedical Engineering, University of Alabama at Birmingham, Birmingham, AL, USA
| | - Aaron B Stuber
- Department of Ophthalmology and Visual Sciences, University of Alabama at Birmingham, Birmingham, AL, USA
| | - Christopher A Girkin
- Department of Ophthalmology and Visual Sciences, University of Alabama at Birmingham, Birmingham, AL, USA
| | - Timothy W Kraft
- Department of Optometry and Vision Science, University of Alabama at Birmingham, Birmingham, AL, USA
| | - Brian C Samuels
- Department of Ophthalmology and Visual Sciences, University of Alabama at Birmingham, Birmingham, AL, USA
| | - Rafael Grytz
- Department of Ophthalmology and Visual Sciences, University of Alabama at Birmingham, Birmingham, AL, USA.
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Doxorubicin delivery systems with an acetylacetone-based block in cholesterol-terminated copolymers: diverse activity against estrogen-dependent and estrogen-independent breast cancer cells. Chem Phys Lipids 2022; 245:105194. [DOI: 10.1016/j.chemphyslip.2022.105194] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2022] [Revised: 03/08/2022] [Accepted: 03/09/2022] [Indexed: 11/20/2022]
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Homaeigohar S, Boccaccini AR. Nature-Derived and Synthetic Additives to poly(ɛ-Caprolactone) Nanofibrous Systems for Biomedicine; an Updated Overview. Front Chem 2022; 9:809676. [PMID: 35127651 PMCID: PMC8807494 DOI: 10.3389/fchem.2021.809676] [Citation(s) in RCA: 23] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2021] [Accepted: 12/16/2021] [Indexed: 12/16/2022] Open
Abstract
As a low cost, biocompatible, and bioresorbable synthetic polymer, poly (ɛ-caprolactone) (PCL) is widely used for different biomedical applications including drug delivery, wound dressing, and tissue engineering. An extensive range of in vitro and in vivo tests has proven the favourable applicability of PCL in biomedicine, bringing about the FDA approval for a plethora of PCL made medical or drug delivery systems. This popular polymer, widely researched since the 1970s, can be readily processed through various techniques such as 3D printing and electrospinning to create biomimetic and customized medical products. However, low mechanical strength, insufficient number of cellular recognition sites, poor bioactivity, and hydrophobicity are main shortcomings of PCL limiting its broader use for biomedical applications. To maintain and benefit from the high potential of PCL, yet addressing its physicochemical and biological challenges, blending with nature-derived (bio)polymers and incorporation of nanofillers have been extensively investigated. Here, we discuss novel additives that have been meant for enhancement of PCL nanofiber properties and thus for further extension of the PCL nanofiber application domain. The most recent researches (since 2017) have been covered and an updated overview about hybrid PCL nanofibers is presented with focus on those including nature-derived additives, e.g., polysaccharides and proteins, and synthetic additives, e.g., inorganic and carbon nanomaterials.
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Affiliation(s)
- Shahin Homaeigohar
- School of Science and Engineering, University of Dundee, Dundee, United Kingdom
| | - Aldo R. Boccaccini
- Institute of Biomaterials, Department of Materials Science and Engineering, University of Erlangen-Nuremberg, Erlangen, Germany
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15
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Zhang B, Sun F, Lu Y, Wang Z, Shen Z, Yuan L, Wu Q, Wu C, Shi H. A Novel Decellularized Trachea Preparation Method for Rapid Construction of a Functional Tissue Engineered Trachea to Repair Tracheal Defects. J Mater Chem B 2022; 10:4810-4822. [PMID: 35237780 DOI: 10.1039/d1tb02100a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Long segment trachea defects are repaired by tracheal substitution, while the decellularized technology has been effectively employed to prepare tissue engineering trachea (TET). However, its clinical application is restrictied by...
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Affiliation(s)
- Boyou Zhang
- The Department of Thoracic Surgery, The Second Xiangya Hospital, Central South University, Changsha, China
- Clinical Medical College, Yangzhou University, No. 98 Nantong West Road, Yangzhou, Jiangsu 225009, P. R. China.
- Northern Jiangsu People's Hospital Affiliated Hospital to Yangzhou University, Yangzhou, China
- Jiangsu Key Laboratory of Integrated Traditional Chinese and Western Medicine for Prevention and Treatment of Senile Diseases, Yangzhou University, Yangzhou, China
| | - Fei Sun
- Clinical Medical College, Yangzhou University, No. 98 Nantong West Road, Yangzhou, Jiangsu 225009, P. R. China.
- Northern Jiangsu People's Hospital Affiliated Hospital to Yangzhou University, Yangzhou, China
- Jiangsu Key Laboratory of Integrated Traditional Chinese and Western Medicine for Prevention and Treatment of Senile Diseases, Yangzhou University, Yangzhou, China
| | - Yi Lu
- Clinical Medical College, Yangzhou University, No. 98 Nantong West Road, Yangzhou, Jiangsu 225009, P. R. China.
- Northern Jiangsu People's Hospital Affiliated Hospital to Yangzhou University, Yangzhou, China
- Jiangsu Key Laboratory of Integrated Traditional Chinese and Western Medicine for Prevention and Treatment of Senile Diseases, Yangzhou University, Yangzhou, China
| | - Zhihao Wang
- Clinical Medical College, Yangzhou University, No. 98 Nantong West Road, Yangzhou, Jiangsu 225009, P. R. China.
- Northern Jiangsu People's Hospital Affiliated Hospital to Yangzhou University, Yangzhou, China
- Jiangsu Key Laboratory of Integrated Traditional Chinese and Western Medicine for Prevention and Treatment of Senile Diseases, Yangzhou University, Yangzhou, China
| | - Zhiming Shen
- Clinical Medical College, Yangzhou University, No. 98 Nantong West Road, Yangzhou, Jiangsu 225009, P. R. China.
- Northern Jiangsu People's Hospital Affiliated Hospital to Yangzhou University, Yangzhou, China
- Jiangsu Key Laboratory of Integrated Traditional Chinese and Western Medicine for Prevention and Treatment of Senile Diseases, Yangzhou University, Yangzhou, China
| | - Lei Yuan
- Clinical Medical College, Yangzhou University, No. 98 Nantong West Road, Yangzhou, Jiangsu 225009, P. R. China.
- Northern Jiangsu People's Hospital Affiliated Hospital to Yangzhou University, Yangzhou, China
- Jiangsu Key Laboratory of Integrated Traditional Chinese and Western Medicine for Prevention and Treatment of Senile Diseases, Yangzhou University, Yangzhou, China
| | - Qiang Wu
- The Department of Thoracic Surgery, The Second Xiangya Hospital, Central South University, Changsha, China
- Clinical Medical College, Yangzhou University, No. 98 Nantong West Road, Yangzhou, Jiangsu 225009, P. R. China.
- Northern Jiangsu People's Hospital Affiliated Hospital to Yangzhou University, Yangzhou, China
- Jiangsu Key Laboratory of Integrated Traditional Chinese and Western Medicine for Prevention and Treatment of Senile Diseases, Yangzhou University, Yangzhou, China
| | - Cong Wu
- Clinical Medical College, Yangzhou University, No. 98 Nantong West Road, Yangzhou, Jiangsu 225009, P. R. China.
- Northern Jiangsu People's Hospital Affiliated Hospital to Yangzhou University, Yangzhou, China
- Jiangsu Key Laboratory of Integrated Traditional Chinese and Western Medicine for Prevention and Treatment of Senile Diseases, Yangzhou University, Yangzhou, China
| | - Hongcan Shi
- Clinical Medical College, Yangzhou University, No. 98 Nantong West Road, Yangzhou, Jiangsu 225009, P. R. China.
- Northern Jiangsu People's Hospital Affiliated Hospital to Yangzhou University, Yangzhou, China
- Jiangsu Key Laboratory of Integrated Traditional Chinese and Western Medicine for Prevention and Treatment of Senile Diseases, Yangzhou University, Yangzhou, China
- The Department of Thoracic Surgery, The Second Xiangya Hospital, Central South University, Changsha, China
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Lima FS, Matos LF, Pacheco IK, Reis F, Câmara JVF, Pierote JJA, Matos JM, Ribeiro A, Moura W, Fialho AC. Scaffold based on castor oil as an osteoconductive matrix in bone repair: biocompatibility analysis. POLIMEROS 2022. [DOI: 10.1590/0104-1428.210018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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17
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Rauf N, Nawaz A, Ullah H, Ullah R, Nabi G, Ullah A, Wahab F, Jahan S, Fu J. Therapeutic effects of chitosan-embedded vitamin C, E nanoparticles against cisplatin-induced gametogenic and androgenic toxicity in adult male rats. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2021; 28:56319-56332. [PMID: 34050519 DOI: 10.1007/s11356-021-14516-y] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/16/2020] [Accepted: 05/17/2021] [Indexed: 06/12/2023]
Abstract
Cisplatin, an anticancer drug used in treating various types of cancers, can cause reproductive toxicities during chemotherapy. Keeping this in view, the present study was designed to investigate the possible protective effects of normal vitamin C and E and vitamin C and E nanoparticles (embedded in chitosan) against cisplatin-induced reproductive toxicities. Vitamins C, E, and their nanoparticles in this regard proved to be an effective therapy. The work aimed to treat cisplatin-induced reproductive toxicities through vitamin C and E and their nanoparticles. Cisplatin exposure caused significant reduction in the weight, testosterone level, and changed lipid profile. Similarly, cisplatin induced significant widespread testicular atrophy and testicular lesions as evidenced by the gaps in the epithelium and loss of differentiating germ cells. Vitamin C and E and their nanoparticles rescued the weight, testosterone level, and testicular disturbances, which is associated with improved histological view of testicular tissues. The current study highlights evidence that designing a medication of vitamin C and E nanoparticles is useful in mitigating cisplatin-induced reproductive toxicity in cancerous male patients underlying chemotherapy.
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Affiliation(s)
- Naveed Rauf
- Division of Endocrinology, Children's Hospital, Zhejiang University School of Medicine, Hangzhou, 310051, China
- Faculty of Biological Sciences, Reproductive Physiology Laboratory, Department of Animal Sciences, Quaid-i-Azam University, Islamabad, Pakistan
| | - Ayesha Nawaz
- Faculty of Biological Sciences, Reproductive Physiology Laboratory, Department of Animal Sciences, Quaid-i-Azam University, Islamabad, Pakistan
| | - Hizb Ullah
- Faculty of Biological Sciences, Reproductive Physiology Laboratory, Department of Animal Sciences, Quaid-i-Azam University, Islamabad, Pakistan
| | - Rahim Ullah
- Division of Endocrinology, Children's Hospital, Zhejiang University School of Medicine, Hangzhou, 310051, China
| | - Ghulam Nabi
- Key Laboratory of Physiology, Biochemistry and Molecular Biology of Hebei Province, College of Life Sciences, Hebei Normal University, Shijiazhuang, 050024, China
| | - Asad Ullah
- Faculty of Biological Sciences, Reproductive Physiology Laboratory, Department of Animal Sciences, Quaid-i-Azam University, Islamabad, Pakistan
| | - Fazal Wahab
- Cell and Molecular Genetic Lab, University of Science and Technology China, Hefei, China
| | - Sarwat Jahan
- Faculty of Biological Sciences, Reproductive Physiology Laboratory, Department of Animal Sciences, Quaid-i-Azam University, Islamabad, Pakistan.
| | - Junfen Fu
- Division of Endocrinology, Children's Hospital, Zhejiang University School of Medicine, Hangzhou, 310051, China.
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18
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Ganan M, Lorentzen SB, Gaustad P, Sørlie M. Synergistic Antifungal Activity of Chito-Oligosaccharides and Commercial Antifungals on Biofilms of Clinical Candida Isolates. J Fungi (Basel) 2021; 7:718. [PMID: 34575756 PMCID: PMC8464920 DOI: 10.3390/jof7090718] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2021] [Revised: 08/11/2021] [Accepted: 08/27/2021] [Indexed: 01/09/2023] Open
Abstract
The development of yeast biofilms is a major problem due to their increased antifungal resistance, which leads to persistent infections with severe clinical implications. The high antifungal activity of well-characterized chitosan polymers makes them potential alternatives for treating yeast biofilms. The activity of a chito-oligosaccharide with a depolymerization degree (DPn) of 32 (C32) and a fraction of acetylation (FA) of 0.15 on Candida sp. biofilms was studied. The results showed a concentration-dependent reduction in the number of viable cells present in C. albicans, C. glabrata, and C. guillermondii preformed biofilms in the presence of C32, especially on intermediate and mature biofilms. A significant decrease in the metabolic activity of yeast biofilms treated with C32 was also observed. The antifungals fluconazole (Flu) and miconazole (Mcz) decreased the number of viable cells in preformed early biofilms, but not in the intermediate or mature biofilms. Contrary to Flu or Mcz, C32 also reduced the formation of new biofilms. Interestingly, a synergistic effect on yeast biofilm was observed when C32 and Flu/Mcz were used in combination. C32 has the potential to become an alternative therapeutic agent against Candida biofilms alone or in combination with antifungal drugs and this will reduce the use of antifungals and decrease antifungal resistance.
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Affiliation(s)
- Monica Ganan
- Department of Chemistry, Biotechnology, and Food Science, Norwegian University of Life Sciences (NMBU), 1432 Aas, Norway; (M.G.); (S.B.L.)
- Department of Microbiology, Institute of Clinical Medicine, University of Oslo and Fürst Medical Laboratory, 0154 Oslo, Norway;
| | - Silje B. Lorentzen
- Department of Chemistry, Biotechnology, and Food Science, Norwegian University of Life Sciences (NMBU), 1432 Aas, Norway; (M.G.); (S.B.L.)
| | - Peter Gaustad
- Department of Microbiology, Institute of Clinical Medicine, University of Oslo and Fürst Medical Laboratory, 0154 Oslo, Norway;
| | - Morten Sørlie
- Department of Chemistry, Biotechnology, and Food Science, Norwegian University of Life Sciences (NMBU), 1432 Aas, Norway; (M.G.); (S.B.L.)
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Biomaterial-Assisted Regenerative Medicine. Int J Mol Sci 2021; 22:ijms22168657. [PMID: 34445363 PMCID: PMC8395440 DOI: 10.3390/ijms22168657] [Citation(s) in RCA: 46] [Impact Index Per Article: 15.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2021] [Revised: 08/06/2021] [Accepted: 08/10/2021] [Indexed: 12/11/2022] Open
Abstract
This review aims to show case recent regenerative medicine based on biomaterial technologies. Regenerative medicine has arousing substantial interest throughout the world, with “The enhancement of cell activity” one of the essential concepts for the development of regenerative medicine. For example, drug research on drug screening is an important field of regenerative medicine, with the purpose of efficient evaluation of drug effects. It is crucial to enhance cell activity in the body for drug research because the difference in cell condition between in vitro and in vivo leads to a gap in drug evaluation. Biomaterial technology is essential for the further development of regenerative medicine because biomaterials effectively support cell culture or cell transplantation with high cell viability or activity. For example, biomaterial-based cell culture and drug screening could obtain information similar to preclinical or clinical studies. In the case of in vivo studies, biomaterials can assist cell activity, such as natural healing potential, leading to efficient tissue repair of damaged tissue. Therefore, regenerative medicine combined with biomaterials has been noted. For the research of biomaterial-based regenerative medicine, the research objective of regenerative medicine should link to the properties of the biomaterial used in the study. This review introduces regenerative medicine with biomaterial.
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Antimicrobial Activity, Stability and Wound Healing Performances of Chitosan Nanoparticles Loaded Recombinant LL37 Antimicrobial Peptide. Int J Pept Res Ther 2021. [DOI: 10.1007/s10989-021-10268-y] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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21
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Mohamady Hussein MA, Guler E, Rayaman E, Cam ME, Sahin A, Grinholc M, Sezgin Mansuroglu D, Sahin YM, Gunduz O, Muhammed M, El-Sherbiny IM, Megahed M. Dual-drug delivery of Ag-chitosan nanoparticles and phenytoin via core-shell PVA/PCL electrospun nanofibers. Carbohydr Polym 2021; 270:118373. [PMID: 34364617 DOI: 10.1016/j.carbpol.2021.118373] [Citation(s) in RCA: 43] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2021] [Revised: 06/06/2021] [Accepted: 06/21/2021] [Indexed: 12/20/2022]
Abstract
Dual-drug delivery systems were constructed through coaxial techniques, which were convenient for the model drugs used the present work. This study aimed to fabricate core-shell electrospun nanofibrous membranes displaying simultaneous cell proliferation and antibacterial activity. For that purpose, phenytoin (Ph), a well-known proliferative agent, was loaded into a polycaprolactone (PCL) shell membrane, and as-prepared silver-chitosan nanoparticles (Ag-CS NPs), as biocidal agents, were embedded in a polyvinyl alcohol (PVA) core layer. The morphology, chemical composition, mechanical and thermal properties of the nanofibrous membranes were characterized by FESEM/STEM, FTIR and DSC. The coaxial PVA-Ag CS NPs/PCL-Ph nanofibers (NFs) showed more controlled Ph release than PVA/PCL-Ph NFs. There was notable improvement in the morphology, thermal, mechanical, antibacterial properties and cytobiocompatibility of the fibers upon incorporation of Ph and Ag-CS NPs. The proposed core-shell PVA/PCL NFs represent promising scaffolds for tissue regeneration and wound healing by the effective dual delivery of phenytoin and Ag-CS NPs.
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Affiliation(s)
- Mohamed Ahmed Mohamady Hussein
- Clinic of Dermatology, University Hospital of RWTH Aachen, Aachen 52074, Germany; Department of Pharmacology, Medical Research Division, National Research Center, Dokki, Cairo 12622, Egypt.
| | - Ece Guler
- Center for Nanotechnology & Biomaterials Application and Research (NBUAM), Marmara University, Istanbul 34722, Turkey; Department of Pharmacology, Faculty of Pharmacy, Marmara University, Istanbul 34716, Turkey
| | - Erkan Rayaman
- Department of Pharmaceutical Microbiology, Marmara University, Istanbul, Turkey.
| | - Muhammet Emin Cam
- Center for Nanotechnology & Biomaterials Application and Research (NBUAM), Marmara University, Istanbul 34722, Turkey; Department of Pharmacology, Faculty of Pharmacy, Marmara University, Istanbul 34716, Turkey; Department of Mechanical Engineering, University College London, Torrington Place, London WC1E 7JE, UK.
| | - Ali Sahin
- Department of Biochemistry, School of Medicine/Genetic and Metabolic Diseases Research and Investigation Center, Marmara University, 34722 Istanbul, Turkey.
| | - Mariusz Grinholc
- Laboratory of Molecular Diagnostics, Department of Biotechnology, Intercollegiate Faculty of Biotechnology, University of Gdansk, Gdansk, Poland.
| | - Demet Sezgin Mansuroglu
- Polymer Technologies and Composite Application and Research Center (ArelPOTKAM), Istanbul Arel University, Istanbul 34537, Turkey
| | - Yesim Müge Sahin
- Polymer Technologies and Composite Application and Research Center (ArelPOTKAM), Istanbul Arel University, Istanbul 34537, Turkey.
| | - Oguzhan Gunduz
- Center for Nanotechnology & Biomaterials Application and Research (NBUAM), Marmara University, Istanbul 34722, Turkey.
| | - Mamoun Muhammed
- KTH Royal Institute of Technology, SE-100 44 Stockholm, Sweden.
| | - Ibrahim M El-Sherbiny
- Nanomedicine Laboratory, Center for Materials Science (CMS), Zewail City of Science and Technology, 6th of October, Giza 12578, Egypt.
| | - Mosaad Megahed
- Clinic of Dermatology, University Hospital of RWTH Aachen, Aachen 52074, Germany.
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22
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Raj R, Shenoy SJ, Mony MP, Pratheesh KV, Nair RS, Geetha CS, Sobhan PK, Purnima C, Anilkumar TV. Surface Modification of Polypropylene Mesh with a Porcine Cholecystic Extracellular Matrix Hydrogel for Mitigating Host Tissue Reaction. ACS APPLIED BIO MATERIALS 2021; 4:3304-3319. [DOI: 10.1021/acsabm.0c01627] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Reshmi Raj
- Division of Experimental Pathology, Sree Chitra Tirunal Institute for Medical Sciences and Technology, Biomedical Technology Wing, Thiruvananthapuram 695012, India
| | - Sachin J. Shenoy
- Division of In Vivo Models and Testing, Sree Chitra Tirunal Institute for Medical Sciences and Technology, Biomedical Technology Wing, Thiruvananthapuram 695012, India
| | - Manjula P. Mony
- Division of Experimental Pathology, Sree Chitra Tirunal Institute for Medical Sciences and Technology, Biomedical Technology Wing, Thiruvananthapuram 695012, India
| | - Kanakarajan V. Pratheesh
- Division of Experimental Pathology, Sree Chitra Tirunal Institute for Medical Sciences and Technology, Biomedical Technology Wing, Thiruvananthapuram 695012, India
| | - Reshma S. Nair
- Division of Experimental Pathology, Sree Chitra Tirunal Institute for Medical Sciences and Technology, Biomedical Technology Wing, Thiruvananthapuram 695012, India
| | - Chandrika S. Geetha
- Division of Experimental Pathology, Sree Chitra Tirunal Institute for Medical Sciences and Technology, Biomedical Technology Wing, Thiruvananthapuram 695012, India
| | - Praveen K. Sobhan
- Division of Tissue Culture, Sree Chitra Tirunal Institute for Medical Sciences and Technology, Biomedical Technology Wing, Thiruvananthapuram 695012, India
| | - Chandramohanan Purnima
- Division of Experimental Pathology, Sree Chitra Tirunal Institute for Medical Sciences and Technology, Biomedical Technology Wing, Thiruvananthapuram 695012, India
| | - Thapasimuthu V. Anilkumar
- Division of Experimental Pathology, Sree Chitra Tirunal Institute for Medical Sciences and Technology, Biomedical Technology Wing, Thiruvananthapuram 695012, India
- School of Biology, Indian Institute of Science Education and Research—Thiruvananthapuram, Maruthamala, Vithura 695551, India
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Davis S, Roldo M, Blunn G, Tozzi G, Roncada T. Influence of the Mechanical Environment on the Regeneration of Osteochondral Defects. Front Bioeng Biotechnol 2021; 9:603408. [PMID: 33585430 PMCID: PMC7873466 DOI: 10.3389/fbioe.2021.603408] [Citation(s) in RCA: 39] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2020] [Accepted: 01/04/2021] [Indexed: 12/20/2022] Open
Abstract
Articular cartilage is a highly specialised connective tissue of diarthrodial joints which provides a smooth, lubricated surface for joint articulation and plays a crucial role in the transmission of loads. In vivo cartilage is subjected to mechanical stimuli that are essential for cartilage development and the maintenance of a chondrocytic phenotype. Cartilage damage caused by traumatic injuries, ageing, or degradative diseases leads to impaired loading resistance and progressive degeneration of both the articular cartilage and the underlying subchondral bone. Since the tissue has limited self-repairing capacity due its avascular nature, restoration of its mechanical properties is still a major challenge. Tissue engineering techniques have the potential to heal osteochondral defects using a combination of stem cells, growth factors, and biomaterials that could produce a biomechanically functional tissue, representative of native hyaline cartilage. However, current clinical approaches fail to repair full-thickness defects that include the underlying subchondral bone. Moreover, when tested in vivo, current tissue-engineered grafts show limited capacity to regenerate the damaged tissue due to poor integration with host cartilage and the failure to retain structural integrity after insertion, resulting in reduced mechanical function. The aim of this review is to examine the optimal characteristics of osteochondral scaffolds. Additionally, an overview on the latest biomaterials potentially able to replicate the natural mechanical environment of articular cartilage and their role in maintaining mechanical cues to drive chondrogenesis will be detailed, as well as the overall mechanical performance of grafts engineered using different technologies.
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Affiliation(s)
- Sarah Davis
- School of Pharmacy and Biomedical Sciences, University of Portsmouth, Portsmouth, United Kingdom
| | - Marta Roldo
- School of Pharmacy and Biomedical Sciences, University of Portsmouth, Portsmouth, United Kingdom
| | - Gordon Blunn
- School of Pharmacy and Biomedical Sciences, University of Portsmouth, Portsmouth, United Kingdom
| | - Gianluca Tozzi
- Zeiss Global Centre, School of Mechanical and Design Engineering, University of Portsmouth, Portsmouth, United Kingdom
| | - Tosca Roncada
- School of Pharmacy and Biomedical Sciences, University of Portsmouth, Portsmouth, United Kingdom
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24
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Fahimirad S, Abtahi H, Satei P, Ghaznavi-Rad E, Moslehi M, Ganji A. Wound healing performance of PCL/chitosan based electrospun nanofiber electrosprayed with curcumin loaded chitosan nanoparticles. Carbohydr Polym 2021; 259:117640. [PMID: 33673981 DOI: 10.1016/j.carbpol.2021.117640] [Citation(s) in RCA: 107] [Impact Index Per Article: 35.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2020] [Revised: 11/27/2020] [Accepted: 01/09/2021] [Indexed: 12/20/2022]
Abstract
In this study, the electrospun poly(ε-caprolactone) (PCL)/Chitosan (CS)/curcumin (CUR) nanofiber was fabricated successfully with curcumin loaded chitosan nano-encapsulated particles (CURCSNPs). The morphology of the produced CURCSNPs, PCL, PCL/CS, PCL/CS/CUR, and PCL/CS/CUR electrosprayed with CURCSNPs were analyzed by scanning electron microscopy (SEM). The physicochemical properties and biological characteristics of fabricated nanofibers such as antibacterial, antioxidant, cell viability, and in vivo wound healing efficiency and histological assay were tested. The electrospraying of CURCSNPs on surface PCL/CS/CUR nanofiber resulted in the enhanced antibacterial, antioxidant, cell proliferation efficiencies and higher swelling and water vapor transition rates. In vivo examination and Histological analysis showed PCL/CS/CUR electrosprayed with CURCSNPs led to significant improvement of complete well-organized wound healing process in MRSA infected wounds. These results suggest that the application of PCL/CS/CUR electrosprayed with CURCSNPs as a wound dressing significantly facilitates wound healing with notable antibacterial, antioxidant, and cell proliferation properties.
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Affiliation(s)
- Shohreh Fahimirad
- Molecular and Medicine Research Center, Arak University of Medical Sciences, Arak, Iran
| | - Hamid Abtahi
- Molecular and Medicine Research Center, Arak University of Medical Sciences, Arak, Iran.
| | - Parastu Satei
- Molecular and Medicine Research Center, Arak University of Medical Sciences, Arak, Iran
| | - Ehsanollah Ghaznavi-Rad
- Molecular and Medicine Research Center, Arak University of Medical Sciences, Arak, Iran; Department of Medical Laboratory Sciences, Arak School of Paramedicine, Arak University of Medical Sciences, Arak, Iran
| | - Mohsen Moslehi
- School of Chemistry, College of Science, University of Tehran, Tehran, Iran
| | - Ali Ganji
- Molecular and Medicine Research Center, Arak University of Medical Sciences, Arak, Iran; Department of Microbiology and Immunology, School of Medicine, Arak University of Medical Sciences, Arak, Iran
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25
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Salètes M, Vartin M, Mocquot C, Chevalier C, Grosgogeat B, Colon P, Attik N. Mesoporous Bioactive Glasses Cytocompatibility Assessment: A Review of In Vitro Studies. Biomimetics (Basel) 2021; 6:9. [PMID: 33498616 PMCID: PMC7839003 DOI: 10.3390/biomimetics6010009] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2020] [Revised: 01/11/2021] [Accepted: 01/20/2021] [Indexed: 12/12/2022] Open
Abstract
Thanks to their high porosity and surface area, mesoporous bioactive glasses (MBGs) have gained significant interest in the field of medical applications, in particular, with regards to enhanced bioactive properties which facilitate bone regeneration. The aim of this article is to review the state of the art regarding the biocompatibility evaluation of MBGs and provide a discussion of the various approaches taken. The research was performed using PubMed database and covered articles published in the last five years. From a total of 91 articles, 63 were selected after analyzing them according to our inclusion and exclusion criteria. In vitro methodologies and techniques used for biocompatibility assessment were investigated. Among the biocompatibility assessment techniques, scanning electron microscopy (SEM) has been widely used to study cell morphology and adhesion. Viability and proliferation were assessed using different assays including cell counting and/or cell metabolic activity measurement. Finally, cell differentiation tests relied on the alkaline phosphatase assay; however, these were often complemented by specific bimolecular tests according to the exact application of the mesoporous bioactive glass. The standardization and validation of all tests performed for MBG cytocompatibility is a key aspect and crucial point and should be considered in order to avoid inconsistencies, bias between studies, and unnecessary consumption of time. Therefore, introducing standard tests would serve an important role in the future assessment and development of MBG materials.
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Affiliation(s)
- Margaux Salètes
- CPE Lyon, Université Claude Bernard Lyon 1, CEDEX 08, 69372 Lyon, France; (M.S.); (M.V.)
- Laboratoire des Multimatériaux et Interfaces, UMR CNRS 5615, Université de Lyon—Université Claude Bernard Lyon 1, CEDEX 08, 69372 Lyon, France; (C.M.); (C.C.); (B.G.); (P.C.)
| | - Marta Vartin
- CPE Lyon, Université Claude Bernard Lyon 1, CEDEX 08, 69372 Lyon, France; (M.S.); (M.V.)
- Laboratoire des Multimatériaux et Interfaces, UMR CNRS 5615, Université de Lyon—Université Claude Bernard Lyon 1, CEDEX 08, 69372 Lyon, France; (C.M.); (C.C.); (B.G.); (P.C.)
| | - Caroline Mocquot
- Laboratoire des Multimatériaux et Interfaces, UMR CNRS 5615, Université de Lyon—Université Claude Bernard Lyon 1, CEDEX 08, 69372 Lyon, France; (C.M.); (C.C.); (B.G.); (P.C.)
- Assistance Publique-Hôpitaux de Paris, Hôpital Rothschild, Service D’odontologie, Faculté Dentaire, Université de Paris, 75012 Paris, France
| | - Charlène Chevalier
- Laboratoire des Multimatériaux et Interfaces, UMR CNRS 5615, Université de Lyon—Université Claude Bernard Lyon 1, CEDEX 08, 69372 Lyon, France; (C.M.); (C.C.); (B.G.); (P.C.)
| | - Brigitte Grosgogeat
- Laboratoire des Multimatériaux et Interfaces, UMR CNRS 5615, Université de Lyon—Université Claude Bernard Lyon 1, CEDEX 08, 69372 Lyon, France; (C.M.); (C.C.); (B.G.); (P.C.)
- Faculté d’Odontologie, Université de Lyon, Université Claude Bernard Lyon 1, 69008 Lyon, France
- Hospices Civils de Lyon, Service D’odontologie, 69007 Lyon, France
| | - Pierre Colon
- Laboratoire des Multimatériaux et Interfaces, UMR CNRS 5615, Université de Lyon—Université Claude Bernard Lyon 1, CEDEX 08, 69372 Lyon, France; (C.M.); (C.C.); (B.G.); (P.C.)
- Assistance Publique-Hôpitaux de Paris, Hôpital Rothschild, Service D’odontologie, Faculté Dentaire, Université de Paris, 75012 Paris, France
| | - Nina Attik
- Laboratoire des Multimatériaux et Interfaces, UMR CNRS 5615, Université de Lyon—Université Claude Bernard Lyon 1, CEDEX 08, 69372 Lyon, France; (C.M.); (C.C.); (B.G.); (P.C.)
- Faculté d’Odontologie, Université de Lyon, Université Claude Bernard Lyon 1, 69008 Lyon, France
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Di Santo MC, Alaimo A, Domínguez Rubio AP, De Matteo R, Pérez OE. Biocompatibility analysis of high molecular weight chitosan obtained from Pleoticus muelleri shrimps. Evaluation in prokaryotic and eukaryotic cells. Biochem Biophys Rep 2020; 24:100842. [PMID: 33241127 PMCID: PMC7672293 DOI: 10.1016/j.bbrep.2020.100842] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2020] [Revised: 10/19/2020] [Accepted: 10/27/2020] [Indexed: 12/11/2022] Open
Abstract
The search for the exploitation and recycling of biomaterials is increasing for reducing the use of non-renewable resources and minimizing environmental pollution caused by synthetic materials. In this context, Chitosan (CS) being a naturally occurring biopolymer becomes relevant. The aim of the present work was to explore the effects of High Molecular Weight CS (H-CS) from Argentinean shrimp's wastes in prokaryotic and eukaryotic in vitro cell cultures. Ultrastructure of H-CS was analysed by SEM and TEM. In vitro studies were performed in prokaryotic (Lactobacillus casei BL23) and eukaryotic (Caco-2, ARPE-19, EA.hy926 and 3T3-L1) culture cells. High performance microscopic techniques were applied to examine culture cells. No changes in morphology were found in any of the cell types. In addition, fluorescent-dyed H-CS revealed that eukaryotic cells could internalize it optimally. Viability was maintained and proliferation rate even increased for Caco-2, ARPE-19 and 3T3-L1 cells under H-CS treatment. Besides, viability was neither altered in L. casei nor in EA.hy926 cells after H-CS exposure. In conclusion, H-CS could be a suitable biopolymer to be exploited for biomedical or food industry applications.
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Affiliation(s)
- Mariana Carolina Di Santo
- Departamento de Química Biológica, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Buenos Aires, Argentina
- Instituto de Química Biológica de La Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Consejo Nacional de Investigaciones Científicas y Técnicas, Buenos Aires, Argentina
| | - Agustina Alaimo
- Departamento de Química Biológica, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Buenos Aires, Argentina
- Instituto de Química Biológica de La Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Consejo Nacional de Investigaciones Científicas y Técnicas, Buenos Aires, Argentina
| | - Ana Paula Domínguez Rubio
- Departamento de Química Biológica, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Buenos Aires, Argentina
- Instituto de Química Biológica de La Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Consejo Nacional de Investigaciones Científicas y Técnicas, Buenos Aires, Argentina
| | - Regina De Matteo
- Departamento de Química Biológica, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Buenos Aires, Argentina
- Instituto de Química Biológica de La Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Consejo Nacional de Investigaciones Científicas y Técnicas, Buenos Aires, Argentina
| | - Oscar Edgardo Pérez
- Departamento de Química Biológica, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Buenos Aires, Argentina
- Instituto de Química Biológica de La Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Consejo Nacional de Investigaciones Científicas y Técnicas, Buenos Aires, Argentina
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Dhakshinamoorthy A, Jacob M, Vignesh NS, Varalakshmi P. Pristine and modified chitosan as solid catalysts for catalysis and biodiesel production: A minireview. Int J Biol Macromol 2020; 167:807-833. [PMID: 33144253 DOI: 10.1016/j.ijbiomac.2020.10.216] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2020] [Revised: 10/05/2020] [Accepted: 10/27/2020] [Indexed: 12/20/2022]
Abstract
Chitosan is one of the readily available polymers with relatively high abundance, biodegradable and sustainable materials with divergent functional groups that are employed in broad range of applications. Chitosan is widely used in many fields like adsorption, drug carrier for therapeutic activity, environmental remediation, drug formulation and among others. One of the unique features of chitosan is that it can be transformed to other forms like beads, films, flakes, sponges and fibres depending upon the applications. This review is aimed at showing the potential applications of chitosan and its modified solids in organic transformations. The number of existing articles is organized based on the nature of materials and subsequently with the types of reactions. After a brief description on the structural features of chitosan, properties, characterization methods including various analytical/microscopic techniques and some of the best practices to be followed in catalysis are also discussed. The next section of this review describes the catalytic activity of native chitosan without any modifications while the subsequent sections provide the catalytic activity of chitosan derivatives, chitosan covalently modified with metal complexes/salts through linkers and chitosan as support for metal nanoparticles (NPs). These sections discuss number of organic reactions that include Knoevenagel condensation, oxidation, reduction, heterocycles synthesis, cross-coupling reactions and pollutant degradation among others. A separate section provides the catalytic applications of chitosan and its modified forms for the production of fatty acid methyl esters (FAME) through esterification/transesterification reactions. The final section summarizes our views on the future directions of this field in the coming years.
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Affiliation(s)
| | - Manju Jacob
- Department of Advanced Zoology and Biotechnology, Loyola College, Chennai 600 034, Tamil Nadu, India
| | - Nagamalai Sakthi Vignesh
- Department of Molecular Microbiology, School of Biotechnology, Madurai Kamaraj University, Madurai, Tamil Nadu 625021, India
| | - Perumal Varalakshmi
- Department of Molecular Microbiology, School of Biotechnology, Madurai Kamaraj University, Madurai, Tamil Nadu 625021, India
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Recent Advancement of Molecular Structure and Biomaterial Function of Chitosan from Marine Organisms for Pharmaceutical and Nutraceutical Application. APPLIED SCIENCES-BASEL 2020. [DOI: 10.3390/app10144719] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Chitosan is an innate cationic biological polysaccharide polymer, naturally obtained from chitin deacetylation, that possesses broad-spectrum properties such as antibacterial, biodegradability, biocompatibility, non-toxic, non-immunogenicity, and so on. Chitosan can be easily modified owing to its molecular chain that contains abundant active amino and hydroxyl groups, through various modifications. Not only does it possess excellent properties but it also greatly accelerates its solubility and endows it with additional special properties. It can be developed into bioactive materials with innovative properties, functions, and multiple uses, especially in the biomedical fields. In this paper, the unique properties and the relationship between the molecular structure of chitosan and its derivatives are emphasized, an overview of various excellent biomedical properties of chitosan and its current progress in the pharmaceutical and nutraceutical field have prospected, to provide the theoretical basis for better development and utilization of new biomedical materials of chitosan and its derivatives.
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Bakshi PS, Selvakumar D, Kadirvelu K, Kumar N. Chitosan as an environment friendly biomaterial – a review on recent modifications and applications. Int J Biol Macromol 2020; 150:1072-1083. [DOI: 10.1016/j.ijbiomac.2019.10.113] [Citation(s) in RCA: 316] [Impact Index Per Article: 79.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2019] [Revised: 10/09/2019] [Accepted: 10/10/2019] [Indexed: 12/12/2022]
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Coating with chitosan-based edible films for mechanical/biological protection of strawberries. Int J Biol Macromol 2020; 151:1004-1011. [DOI: 10.1016/j.ijbiomac.2019.11.076] [Citation(s) in RCA: 47] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2019] [Revised: 10/07/2019] [Accepted: 11/07/2019] [Indexed: 12/13/2022]
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Xiang J, Shen L, Hong Y. Status and future scope of hydrogels in wound healing: Synthesis, materials and evaluation. Eur Polym J 2020. [DOI: 10.1016/j.eurpolymj.2020.109609] [Citation(s) in RCA: 69] [Impact Index Per Article: 17.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
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Transparent chitosan based nanobiocomposite hydrogel: Synthesis, thermophysical characterization, cell adhesion and viability assay. Int J Biol Macromol 2020; 144:715-724. [PMID: 31862375 DOI: 10.1016/j.ijbiomac.2019.10.157] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2019] [Revised: 10/07/2019] [Accepted: 10/17/2019] [Indexed: 01/03/2023]
Abstract
This study designed to explore the characteristic features of the novel prepared hydrogel. This transparent nanocomposite hydrogel was formulated with employing environmental friendly biopolymer, "chitosan". To increase the hydrophilicity of chitosan, it was quaternized with triethyl amine. Also by incorporating click protocol, the triazole rings were inserted in the structure. After decoration with appropriate chemicals using efficient methods, functionalized chitosan and the corresponding hydrogel were investigated by Fourier transform infrared (FT-IR), thermal gravimetric analysis (TGA), differential scanning calorimetric (DSC) and dynamic-mechanical thermal analysis (DMTA). Swelling behavior of the synthesized hydrogel was assayed in both room temperature and 37 °C. Moreover, swelling kinetics were appraised and found that the experimental data fit the Schott's equation. To study the cell adhesion and proliferation, MTT assay was performed and the SEM images of 24, 48 and 72 h of direct cell culture on the surface of the scaffold were obtained. Morphological features of cultured cells were confirmed with Giemsa staining. The results displayed the potential capability of the synthesized scaffold for being used in bioapplications.
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Fahimirad S, Ajalloueian F. Naturally-derived electrospun wound dressings for target delivery of bio-active agents. Int J Pharm 2019; 566:307-328. [PMID: 31125714 DOI: 10.1016/j.ijpharm.2019.05.053] [Citation(s) in RCA: 79] [Impact Index Per Article: 15.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2019] [Revised: 05/18/2019] [Accepted: 05/20/2019] [Indexed: 12/30/2022]
Abstract
Electrospun nanofibers are known as the advanced means for wound dressing. They have represented remarkable potency to encapsulate and deliver biomolecules promoting the wound healing process. Compared to synthetic polymers, naturally derived polymers (NDP) are more qualified candidates for fabrication of biomedical electrospun scaffolds. Not only nanofibers of NDP illustrate higher biocompatibility and biodegradability rates, but also they mimic the native extracellular matrix more closely, which leads to the wound closure acceleration by enhancing tissue regeneration. Aside, incorporation of bioactive molecules and therapeutic agents into the nanofibers can generate innovative bioactive wound dressings with significantly improved healing potentials. This paper starts with a brief discussion on the steps and factors influencing the wound healing process. Then, the recent applications of electrospun nanofibers as wound dressing with healing accelerating properties are reviewed. Further, the various healing agents and alternative strategies for modification and functionalization of bioactive naturally-derived electrospun nanofibers are discussed.
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Affiliation(s)
- Shohreh Fahimirad
- Agriculture and Natural Resources Biotechnology Department, University of Tehran, Karaj 31587-11167, Iran.
| | - Fatemeh Ajalloueian
- Department of Health Technology, Technical University of Denmark, Ørsteds Plads 345C, Kgs. Lyngby 2800, Denmark
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Cytocompatibility of Potential Bioactive Cerium-Doped Glasses based on 45S5. MATERIALS 2019; 12:ma12040594. [PMID: 30781522 PMCID: PMC6416737 DOI: 10.3390/ma12040594] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/22/2018] [Revised: 02/09/2019] [Accepted: 02/12/2019] [Indexed: 01/10/2023]
Abstract
The cytocompatibility of potential bioactive cerium-containing (Ce3+/Ce4+) glasses is here investigated by preparing three different glasses with increasing amount of doping CeO₂ (1.2, 3.6 and 5.3 mol% of CeO₂, called BG_1.2, BG_3.6 and BG_5.3, respectively) based on 45S5 Bioglass® (called BG). These materials were characterized by Environmental Scanning Electron Microscopy (ESEM) and infrared spectroscopy (FTIR) after performing bioactivity tests in Dulbecco's Modified Eagle Medium (DMEM) solution, and the ions released in solution were determined by Inductively Coupled Plasma Mass Spectrometry (ICP-MS) and Optical Emission Spectrometry (ICP-OES). The data obtained clearly show that the glass surfaces of BG, BG_1.2 and BG_3.6 were covered by hydroxyapatite (HA), while BG_5.3 favored the formation of a cerium phosphate crystal phase. The cytotoxicity tests were performed using both murine long bone osteocyte-like (MLO-Y4) and mouse embryonic fibroblast (NIH/3T3) cell lines. The cerium-containing bioactive glasses show an increment in cell viability with respect to BG, and at long times, no cell aggregation and deformation were observed. The proliferation of NIH/3T3 cells increased with the cerium content in the glasses; in particular, BG_3.6 and BG_5.3 showed a higher proliferation of cells than the negative control. These results highlight and enforce the proposal of cerium-doped bioactive glasses as a new class of biomaterials for hard-tissue applications.
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Theodoratou A, Costa L, Bonnet L, Blanc C, Lapinte V, Etienne P, Milhiet PE, Robin JJ, Oberdisse J, Chopineau J, Aubert-Pouëssel A. Physico-chemical properties and surface characterization of renewable hybrid nanofilms interacting with model proteins. Eur Polym J 2019. [DOI: 10.1016/j.eurpolymj.2018.12.018] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Santos NM, Gomes AS, Cavalcante DG, Santos LF, Teixeira SR, Cabrera FC, Job AE. Green synthesis of colloidal gold nanoparticles using latex from
Hevea brasiliensis
and evaluation of their in vitro cytotoxicity and genotoxicity. IET Nanobiotechnol 2019; 13:307-315. [DOI: 10.1049/iet-nbt.2018.5225] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
Affiliation(s)
- Natália M. Santos
- Faculdade de Ciências e Tecnologia FCT/UNESPDepartamento de FísicaPresidente Prudente, Rua Cyro Bueno, 40, Jd. Morumbi19060‐560SPBrasil
| | - Andressa S. Gomes
- Faculdade de Ciências e Tecnologia FCT/UNESPDepartamento de FísicaPresidente Prudente, Rua Cyro Bueno, 40, Jd. Morumbi19060‐560SPBrasil
| | - Dalita G.S.M. Cavalcante
- Faculdade de Ciências e Tecnologia FCT/UNESPDepartamento de FísicaPresidente Prudente, Rua Cyro Bueno, 40, Jd. Morumbi19060‐560SPBrasil
| | - Luis F. Santos
- Faculdade de Ciências e Tecnologia FCT/UNESPDepartamento de FísicaPresidente Prudente, Rua Cyro Bueno, 40, Jd. Morumbi19060‐560SPBrasil
| | - Silvio R. Teixeira
- Faculdade de Ciências e Tecnologia FCT/UNESPDepartamento de FísicaPresidente Prudente, Rua Cyro Bueno, 40, Jd. Morumbi19060‐560SPBrasil
| | - Flávio C. Cabrera
- Faculdade de Ciências e Tecnologia FCT/UNESPDepartamento de FísicaPresidente Prudente, Rua Cyro Bueno, 40, Jd. Morumbi19060‐560SPBrasil
| | - Aldo Eloizo Job
- Faculdade de Ciências e Tecnologia FCT/UNESPDepartamento de FísicaPresidente Prudente, Rua Cyro Bueno, 40, Jd. Morumbi19060‐560SPBrasil
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Pulsed Laser Deposited Biocompatible Lithium-Doped Hydroxyapatite Coatings with Antimicrobial Activity. COATINGS 2019. [DOI: 10.3390/coatings9010054] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Abstract
Simple and lithium-doped biological-origin hydroxyapatite layers were synthesized by Pulsed Laser Deposition technique on medical grade Ti substrates. Cytotoxic effects of lithium addition and the biocompatibility of obtained coatings were assessed using three cell lines of human origin (new initiated dermal fibroblasts, immortalized keratinocytes HaCaT, and MG-63 osteosarcoma). Antimicrobial properties of obtained coatings were assessed on two strains (i.e., Staphylococcus aureus and Candida albicans), belonging to species representative for the etiology of medical devices biofilm-associated infections. Our findings suggest that synthesized lithium-doped coatings exhibited low cytotoxicity on human osteosarcoma and skin cells and therefore, an excellent biocompatibility, correlated with a long-lasting anti-staphylococcal and -fungal biofilm activity. Along with low fabrication costs generated by sustainable resources, these biological-derived materials demonstrate their promising potential for future prospective solutions—viable alternatives to commercially available biomimetic HA implants—for the fabrication of a new generation of implant coatings.
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Smieszek A, Marycz K, Szustakiewicz K, Kryszak B, Targonska S, Zawisza K, Watras A, Wiglusz RJ. New approach to modification of poly (l-lactic acid) with nano-hydroxyapatite improving functionality of human adipose-derived stromal cells (hASCs) through increased viability and enhanced mitochondrial activity. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2018; 98:213-226. [PMID: 30813022 DOI: 10.1016/j.msec.2018.12.099] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/08/2018] [Revised: 11/29/2018] [Accepted: 12/25/2018] [Indexed: 02/06/2023]
Abstract
The aim of this study was to determine the cytocompatibility of poly (l-lactide) (PLLA) scaffolds fabricated using co-rotating twin screw extrusion technique and functionalized with different concentrations of nano-hydroxyapatite (nHAp). The efforts were aimed on the designing bioactive scaffolds improving the viability and metabolic activity of human adipose-derived multipotent stromal cells (hASCs). The in vitro study was designed to determine the optimal nHAp concentration, based on analysis of hASCs morphology, adhesion rate, as well as metabolic and proliferative potential. Initially, the PLLA filled with three different concentrations of the nHAp were tested i.e. 5%, 10% and 15 wt%. The obtained results indicated that the 10 wt% nHAp in the PLLA (10% nHAp/PLLA) matrices improved the adhesion and proliferation of the hASCs, what was in good agreement with the results of tensile properties of the composites. Further, we performed profound studies regarding the cytotoxicity of 10% nHAp/PLLA. The analysis included the evaluation of the biomaterial influence on viability, apoptosis-related markers expression profile and mitochondrial function. The cytocompatibility of 10% nHAp/PLLA scaffolds toward the hASCs was confirmed. The hASCs propagated on 10% nHAp/PLLA were more viable then those propagated on the plain PLLA. The level of pro-apoptotic markers, i.e. caspase-3 and Bax in cultures on 10% nHAp/PLLA was significantly decreased. Obtained results correlated with higher mitochondrial membrane potential of hASCs in those cultures. The obtained composites may improve therapeutic potential of hASCs via directing their adhesion, enhancing proliferation and viability as well as increasing mitochondrial potential, thus may find potential application in tissue engineering.
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Affiliation(s)
- Agnieszka Smieszek
- Department of Experimental Biology, The Faculty of Biology and Animal Science, University of Environmental and Life Sciences, Chełmonskiego 27B, 50-375 Wroclaw, Poland
| | - Krzysztof Marycz
- Department of Experimental Biology, The Faculty of Biology and Animal Science, University of Environmental and Life Sciences, Chełmonskiego 27B, 50-375 Wroclaw, Poland; Faculty of Veterinary Medicine, Equine Clinic-Equine Surgery, Justus-Liebig-University Giessen Frankfurter Str. 94, 35392 Giessen, Germany
| | - Konrad Szustakiewicz
- Polymer Engineering and Technology Division, Wroclaw University of Science and Technology, Wyb. Wyspianskiego 27, 50-370 Wroclaw, Poland
| | - Bartłomiej Kryszak
- Polymer Engineering and Technology Division, Wroclaw University of Science and Technology, Wyb. Wyspianskiego 27, 50-370 Wroclaw, Poland
| | - Sara Targonska
- Institute of Low Temperature and Structure Research, Polish Academy of Sciences, Okolna 2, PL-50-422 Wroclaw, Poland
| | - Katarzyna Zawisza
- Institute of Low Temperature and Structure Research, Polish Academy of Sciences, Okolna 2, PL-50-422 Wroclaw, Poland
| | - Adam Watras
- Institute of Low Temperature and Structure Research, Polish Academy of Sciences, Okolna 2, PL-50-422 Wroclaw, Poland
| | - Rafal J Wiglusz
- Institute of Low Temperature and Structure Research, Polish Academy of Sciences, Okolna 2, PL-50-422 Wroclaw, Poland; Centre for Advanced Materials and Smart Structures, Polish Academy of Sciences, Okolna 2, 50-950 Wroclaw, Poland.
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Efficacy of chitosan derivative films versus hydrocolloid dressing on superficial wounds. J Taibah Univ Med Sci 2018; 13:512-520. [PMID: 31435371 PMCID: PMC6695037 DOI: 10.1016/j.jtumed.2018.10.004] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2018] [Revised: 10/17/2018] [Accepted: 10/18/2018] [Indexed: 02/06/2023] Open
Abstract
Objectives Chitosan, the N-deacetylated derivative of chitin, has useful biological properties that promote haemostasis, analgesia, wound healing, and scar reduction; chitosan is bacteriostatic, biocompatible, and biodegradable. This study determined the efficacy of chitosan derivative film as a superficial wound dressing. Methods This multicentre randomised controlled trial included 244 patients, of whom 86 were treated with chitosan derivative film and 84 with hydrocolloid. The percentage of epithelisation, as well as patient comfort, clinical signs, and patient convenience in application and removal of the dressings were assessed. Results The primary outcome of this study was the percentage of epithelisation. Except for race (p = 0.04), there were no significant differences between groups in sex, age, antibiotic usage, or initial wound size (p > 0.05). There was no significant difference in the mean epithelisation percentage between groups (p = 0.29). Patients using chitosan derivative film experienced more pain during removal of dressing than those in the hydrocolloid group (p = 0.007). The chitosan derivative film group showed less exudate (p = 0.036) and less odour (p = 0.024) than the control group. Furthermore, there were no significant differences between groups in terms of adherence, ease of removal, wound drainage, erythema, itchiness, pain, and tenderness. No oedema or localised warmth was observed during the study. Conclusion This study concluded that chitosan derivative film is equivalent to hydrocolloid dressing and can be an option in the management of superficial and abrasion wounds. Clinical trial No NMRR-11-948-10565.
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Sapru S, Das S, Mandal M, Ghosh AK, Kundu SC. Prospects of nonmulberry silk protein sericin-based nanofibrous matrices for wound healing - In vitro and in vivo investigations. Acta Biomater 2018; 78:137-150. [PMID: 30059800 DOI: 10.1016/j.actbio.2018.07.047] [Citation(s) in RCA: 46] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2018] [Revised: 07/21/2018] [Accepted: 07/27/2018] [Indexed: 11/17/2022]
Abstract
Recently, the progress in biomaterials for biomedical applications brings the focus of the research community toward nanomaterials. The nanofibrous matrices offer certain advantages (structural similarity to extracellular matrix, high surface area-to-volume ratio, increased elasticity, biostability, and strength) compared to other prevalent type of materials. This affirms their superiority and flexibility to be used in regenerative medicine. We have fabricated nonmulberry (Antheraea mylitta) silk protein sericin-based nanofibrous matrices (fiber thickness; 80-400 nm) with improved mechanical strength and desired stability (>4 weeks) as required for tissue reconstruction. These matrices support the adhesion, proliferation, and cellular interconnection of human keratinocytes. These are minimally hemolytic, nonimmunogenic, and capable of wound healing in vivo. Antibiotic (cephalexin hydrate [CH])-loaded nanofibrous matrices accelerate the full-thickness wound repair with minimal inflammation and without any signs of infection. The histological analysis authenticates skin restoration with re-epithelialization, generation of associated skin appendages, and synthesis of dense collagen fibrils. In addition, analysis of inflammatory genes and immunohistochemical assays have proved their biocompatibility and wound healing potential. Angiogenesis is also prevalent in the animal tissue treated with nanofibrous matrices. The results of in vitro and in vivo experimentations indicate a clear prospect of the fabricated sericin-based nanofibrous matrices to be used for skin regeneration. STATEMENT OF SIGNIFICANCE Nonmulberry silk protein sericin-based nanofibrous matrix is a useful biomaterial for wound healing, collagen production, and skin tissue repair. It has been used in different formulations including hydrogels and nanofibrous membranes with chitosan (CS) and polyvinyl alcohol (PVA). No experiments have been carried out to evaluate sericin-based nanofibrous membranes for skin tissue engineering application. The present study shows that the nanofibrous matrices fabricated by electrospinning nonmulberry silk protein sericin with CS and PVA mimic the architectural environment of the extracellular matrix fibrils. These matrices are minimally hemolytic, are nonimmunogenic, and support better growth of human keratinocytes in vitro and wound healing in vivo with re-epithelialization of the skin tissue and angiogenesis. This work indicates that these nonmulberry sericin-based nanofibrous matrices with CS may be used as an ideal physical environment and biological cues for the promotion of skin tissue reconstruction and repair.
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Affiliation(s)
- Sunaina Sapru
- Department of Biotechnology and Indian Institute of Technology (IIT) Kharagpur, West Bengal 721302, India.
| | - Subhayan Das
- School of Medical Science and Technology, Indian Institute of Technology (IIT) Kharagpur, West Bengal 721302, India.
| | - Mahitosh Mandal
- School of Medical Science and Technology, Indian Institute of Technology (IIT) Kharagpur, West Bengal 721302, India.
| | - Ananta K Ghosh
- Department of Biotechnology and Indian Institute of Technology (IIT) Kharagpur, West Bengal 721302, India.
| | - Subhas C Kundu
- Department of Biotechnology and Indian Institute of Technology (IIT) Kharagpur, West Bengal 721302, India.
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Feron K, Lim R, Sherwood C, Keynes A, Brichta A, Dastoor PC. Organic Bioelectronics: Materials and Biocompatibility. Int J Mol Sci 2018; 19:E2382. [PMID: 30104515 PMCID: PMC6121695 DOI: 10.3390/ijms19082382] [Citation(s) in RCA: 68] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2018] [Revised: 08/08/2018] [Accepted: 08/10/2018] [Indexed: 01/06/2023] Open
Abstract
Organic electronic materials have been considered for a wide-range of technological applications. More recently these organic (semi)conductors (encompassing both conducting and semi-conducting organic electronic materials) have received increasing attention as materials for bioelectronic applications. Biological tissues typically comprise soft, elastic, carbon-based macromolecules and polymers, and communication in these biological systems is usually mediated via mixed electronic and ionic conduction. In contrast to hard inorganic semiconductors, whose primary charge carriers are electrons and holes, organic (semi)conductors uniquely match the mechanical and conduction properties of biotic tissue. Here, we review the biocompatibility of organic electronic materials and their implementation in bioelectronic applications.
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Affiliation(s)
- Krishna Feron
- Centre for Organic Electronics, University of Newcastle, Callaghan, Newcastle, NSW 2308, Australia.
| | - Rebecca Lim
- Centre for Brain and Mental Health Research, University of Newcastle, Callaghan, Newcastle, NSW 2308, Australia.
| | - Connor Sherwood
- Centre for Organic Electronics, University of Newcastle, Callaghan, Newcastle, NSW 2308, Australia.
- Centre for Brain and Mental Health Research, University of Newcastle, Callaghan, Newcastle, NSW 2308, Australia.
| | - Angela Keynes
- Centre for Brain and Mental Health Research, University of Newcastle, Callaghan, Newcastle, NSW 2308, Australia.
| | - Alan Brichta
- Centre for Brain and Mental Health Research, University of Newcastle, Callaghan, Newcastle, NSW 2308, Australia.
| | - Paul C Dastoor
- Centre for Organic Electronics, University of Newcastle, Callaghan, Newcastle, NSW 2308, Australia.
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Kohli N, Ho S, Brown SJ, Sawadkar P, Sharma V, Snow M, García-Gareta E. Bone remodelling in vitro: Where are we headed?: -A review on the current understanding of physiological bone remodelling and inflammation and the strategies for testing biomaterials in vitro. Bone 2018; 110:38-46. [PMID: 29355746 DOI: 10.1016/j.bone.2018.01.015] [Citation(s) in RCA: 78] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/03/2017] [Revised: 12/14/2017] [Accepted: 01/12/2018] [Indexed: 12/13/2022]
Abstract
Bone remodelling is a dynamic process required for the maintenance of bone architecture in response to the changing mechanical needs. It is also a vital process during the repair of bone tissue following injury. Clinical intervention in terms of autografting or allografting is often required to heal bone injuries where physiological healing fails. The use of biomaterials as alternatives to autografts and allografts has spurred a significant research interest into further development of biomaterials for better clinical outcomes. Unfortunately, many biomaterials fail to make it to the clinic or fail after implantation due to the inconsistencies observed between in vitro and in vivo studies. It is therefore important to mimic the in vivo situation as closely as possible in an in vitro setting for testing biomaterials. The current in vitro models focus mostly on investigating the behaviour of osteoblast progenitors with the biomaterial under development as well as assessing the behaviour of osteoclasts, endothelial cells etc. However, the sequence of events that take place during bone healing or remodelling are not incorporated into the current in vitro models. This review highlights our current understanding of the physiological bone remodelling and the bone healing process followed by strategies to incorporate both the physiological and pathophysiological events into an in vitro environment. Here, we propose three strategies for the assessment of biomaterials for bone, which includes; (1) testing biomaterials in the presence of immune cells, (2) testing biomaterials for osteogenesis, and (3) testing biomaterials in the presence of osteoclasts followed by osteoblasts to recapitulate the physiological events of bone resorption prior to bone formation. The focus of this review is to discuss the third strategy in details as the first two strategies are currently incorporated into a majority of in vitro experiments.
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Affiliation(s)
- Nupur Kohli
- Regenerative Biomaterials Group, RAFT Institute, Leopold Muller Building, Mount Vernon Hospital, Northwood HA6 2RN, UK.
| | - Sonia Ho
- Regenerative Biomaterials Group, RAFT Institute, Leopold Muller Building, Mount Vernon Hospital, Northwood HA6 2RN, UK
| | - Stuart J Brown
- Regenerative Biomaterials Group, RAFT Institute, Leopold Muller Building, Mount Vernon Hospital, Northwood HA6 2RN, UK
| | - Prasad Sawadkar
- Regenerative Biomaterials Group, RAFT Institute, Leopold Muller Building, Mount Vernon Hospital, Northwood HA6 2RN, UK
| | - Vaibhav Sharma
- Regenerative Biomaterials Group, RAFT Institute, Leopold Muller Building, Mount Vernon Hospital, Northwood HA6 2RN, UK
| | - Martyn Snow
- Royal Orthopaedic Hospital, Bristol Road, Birmingham B31 2AP, UK
| | - Elena García-Gareta
- Regenerative Biomaterials Group, RAFT Institute, Leopold Muller Building, Mount Vernon Hospital, Northwood HA6 2RN, UK
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Cox MC, Kuliasha AS, Li L, Verbridge SS. 3D Microtissue Models to Analyze the Effects of Ultralow Dose LPS on Vascular Sprouting Dynamics in the Tumor Microenvironment. ACS Biomater Sci Eng 2018; 4:357-367. [PMID: 33418730 DOI: 10.1021/acsbiomaterials.6b00800] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Lipopolysaccharide (LPS) plays a major role in innate immune responses and has been shown to impact vascular dynamics when present at high concentrations. However, the impact of ultralow levels of LPS (<100 pg/mL), present in the body during states of chronic inflammation, on vascular dynamics is unclear. In this study, we have integrated a 3D collagen hydrogel tissue mimic with advanced imaging and cell characterization assays to assess the potential impact of chronic inflammation on vascular dynamics, and uncover any alterations in the vascular response to low vs high dose LPS in the context of tumor progression. Accounting for both frequency of sprouting and invasiveness of the sprouts, the treatments of ultralow dose LPS with vascular endothelial growth factor (VEGF), a potent angiogenic promoter and present in excess in the tumor microenvironment, produced enhanced vascular development of human brain microvascular endothelial cells (HBMECs) in our in vitro model. There was no evidence of altered proliferation or apoptosis among the various VEGF treatment groups, indicating an enhanced migratory endothelial cell phenotype results from exposure to ultralow dose LPS with VEGF. The lack of enhanced vascular development upon treatments of high doses of LPS in the presence of VEGF could be partially attributed to an LPS dose-dependent increase in the activation of NF-κB. This study provides insight into the dynamic regulation of vascular development by varying levels of LPS and the potential role of chronic inflammation to prime a pro-angiogenic microenvironment and contribute to tumor progression.
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Affiliation(s)
- Megan C Cox
- Department of Biomedical Engineering and Mechanics, ‡Department of Biological Systems Engineering, and §Department of Biological Sciences, Virginia Polytechnic Institute and State University, Blacksburg, Virginia 24061, United States
| | - Andrea S Kuliasha
- Department of Biomedical Engineering and Mechanics, Department of Biological Systems Engineering, and §Department of Biological Sciences, Virginia Polytechnic Institute and State University, Blacksburg, Virginia 24061, United States
| | - Liwu Li
- Department of Biomedical Engineering and Mechanics, Department of Biological Systems Engineering, and Department of Biological Sciences, Virginia Polytechnic Institute and State University, Blacksburg, Virginia 24061, United States
| | - Scott S Verbridge
- Department of Biomedical Engineering and Mechanics, Department of Biological Systems Engineering, and Department of Biological Sciences, Virginia Polytechnic Institute and State University, Blacksburg, Virginia 24061, United States
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Gunes S, Tamburaci S, Dalay MC, Deliloglu Gurhan I. In vitro evaluation of Spirulina platensis extract incorporated skin cream with its wound healing and antioxidant activities. PHARMACEUTICAL BIOLOGY 2017; 55:1824-1832. [PMID: 28552036 PMCID: PMC6130752 DOI: 10.1080/13880209.2017.1331249] [Citation(s) in RCA: 47] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/13/2023]
Abstract
CONTEXT Algae have gained importance in cosmeceutical product development due to their beneficial effects on skin health and therapeutical value with bioactive compounds. Spirulina platensis Parachas (Phormidiaceae) is renowned as a potential source of high-value chemicals and recently used in skincare products. OBJECTIVE This study develops and evaluates skin creams incorporated with bioactive S. platensis extract. MATERIALS AND METHODS Spirulina platensis was cultivated, the aqueous crude extract was prepared and in vitro cytotoxicity of S. platensis extract in the range of 0.001-1% concentrations for 1, 3 and 7 d on HS2 keratinocyte cells was determined. Crude extracts were incorporated in skin cream formulation at 0.01% (w/w) concentration and in vitro wound healing and genotoxicity studies were performed. Immunohistochemical staining was performed to determine the collagen activity. RESULTS 0.1% S. platensis extract exhibited higher proliferation activity compared with the control group with 198% of cell viability after 3 d. Skin cream including 1.125% S. platensis crude extract showed enhanced wound healing effect on HS2 keratinocyte cell line and the highest HS2 cell viability % was obtained with this concentration. The micronucleus (MN) assay results indicated that S. platensis extract incorporated creams had no genotoxic effect on human peripheral blood cells. Immunohistochemical analysis showed that collagen 1 immunoreactivity was improved by increased extract concentration and it was strongly positive in cells treated with 1.125% extract incorporated skin cream. CONCLUSIONS The cell viability, wound healing activity and genotoxicity results showed that S. platensis incorporated skin cream could be of potential value in cosmeceutical and biomedical applications.
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Affiliation(s)
- Seda Gunes
- Graduate Program of Biogineering, İzmir Institute of Technology, Izmir, Turkey
| | - Sedef Tamburaci
- Graduate Program of Biogineering, İzmir Institute of Technology, Izmir, Turkey
| | - Meltem Conk Dalay
- Department of Bioengineering, Ege University, Faculty of Engineering, Izmir, Turkey
- CONTACT Meltem Conk DalayDepartment of Bioengineering, Ege University, Faculty of Engineering, Izmir35100, Turkey
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Sultana T, Amirian J, Park C, Lee SJ, Lee BT. Preparation and characterization of polycaprolactone–polyethylene glycol methyl ether and polycaprolactone–chitosan electrospun mats potential for vascular tissue engineering. J Biomater Appl 2017; 32:648-662. [DOI: 10.1177/0885328217733849] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
Recently, natural polymers are frequently comingled with synthetic polymers either by physical or chemical modification to prepare numerous tissue-engineered graft with promising biological function, strength, and stability. The aim of this study was to determine the efficiency for vascular tissue engineering of two distinctly different mats, one that comprised polycaprolactone–polyethylene glycol methyl ether and other that comprised polycaprolactone–chitosan. Nano/microfibrous mats prepared from electro-spinning were characterized for fiber diameter, porosity, wettability, and mechanical strength. Biological efficacy on both biodegradable mats was assessed by rat bone marrow mesenchymal stem cells, and polycaprolactone–polyethylene glycol methyl ether showed feasibility for use as an inner layer by inducing endothelial-specific gene expression and polycaprolactone–chitosan as an outer layer on dual layered without sacrificing tensile strength, small-diameter blood vessels. Therefore, scaffolds fabricated from this research could be potential sources for tissue-engineered vascular graft and could also overcome the well-known drawbacks, such as thrombogenicity and stenosis, in managing vascular disease.
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Affiliation(s)
- Tamanna Sultana
- Department of Regenerative Medicine, College of Medicine, Soonchunhyang University 366-1, Ssangyoung-Dong, Cheonan City, ChungCheonNam-Do, Republic of Korea
| | - Jhaleh Amirian
- Institute of Tissue Regeneration, Soonchunhyang University 366-1, Ssangyoung-Dong, Cheonan City, ChungCheonNam-Do, Republic of Korea
| | - Chanmi Park
- Institute of Tissue Regeneration, Soonchunhyang University 366-1, Ssangyoung-Dong, Cheonan City, ChungCheonNam-Do, Republic of Korea
| | - Seung Jin Lee
- Department of Thoracic and Cardiovascular Surgery, Soonchunhyang University Hospital, 31, 6-gil, Cheonan City, ChungCheonNam-Do, Republic of Korea
| | - Byong-Taek Lee
- Department of Regenerative Medicine, College of Medicine, Soonchunhyang University 366-1, Ssangyoung-Dong, Cheonan City, ChungCheonNam-Do, Republic of Korea
- Institute of Tissue Regeneration, Soonchunhyang University 366-1, Ssangyoung-Dong, Cheonan City, ChungCheonNam-Do, Republic of Korea
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47
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Bajpai S, Jyotishi P, Bajpai M. Synthesis of nanosilver loaded chitosan/poly(acrylamide-co-itaconic acid) based inter-polyelectrolyte complex films for antimicrobial applications. Carbohydr Polym 2016; 154:223-30. [DOI: 10.1016/j.carbpol.2016.08.044] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2016] [Revised: 08/01/2016] [Accepted: 08/15/2016] [Indexed: 12/25/2022]
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Gomathysankar S, Halim AS, Yaacob NS, Noor NM, Mohamed M. Compatibility of Porous Chitosan Scaffold with the Attachment and Proliferation of human Adipose-Derived Stem Cells In Vitro. J Stem Cells Regen Med 2016. [PMID: 28096632 PMCID: PMC5227107 DOI: 10.46582/jsrm.1202012] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Adipose-derived stem cells (ASCs) have potential applications in the repair and regeneration of various tissues and organs. The use of various scaffold materials as an excellent template for mimicking the extracellular matrix to induce the attachment and proliferation of different cell types has always been of interest in the field of tissue engineering because ideal biomaterials are in great demand. Chitosan, a marine polysaccharide, have wide clinical applications and it acts as a promising scaffold for cell migration and proliferation. ASCs, with their multi-differentiation potential, and chitosan, with its great biocompatibility with ASCs, were investigated in the present study. ASCs were isolated and were characterized by two different methods: immunocytochemistry and flow cytometry, using the mesenchymal stem cell markers CD90, CD105, CD73 and CD29. The ASCs were then induced to differentiate into adipogenic, osteogenic and chondrogenic lineages. These ASCs were incorporated into a porous chitosan scaffold (PCS), and their structural morphology was studied using a scanning electron microscope and hematoxylin and eosin staining. The proliferation rate of the ASCs on the PCS was assessed using a PrestoBlue viability assay. The results indicated that the PCS provides an excellent template for the adhesion and proliferation of ASCs. Thus, this study revealed that PCS is a promising biomaterial for inducing the proliferation of ASCs, which could lead to successful tissue reconstruction in the field of tissue engineering.
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Affiliation(s)
- Sankaralakshmi Gomathysankar
- Reconstructive Sciences Unit, School of Medical Sciences, Universiti Sains Malaysia, 16150, Kubang Kerian, Kelantan, Malaysia
| | - Ahmad Sukari Halim
- Reconstructive Sciences Unit, School of Medical Sciences, Universiti Sains Malaysia, 16150, Kubang Kerian, Kelantan, Malaysia
| | - Nik Soriani Yaacob
- Department of Chemical Pathology, School of Medical Sciences, Universiti Sains Malaysia, 16150, Kubang kerian, Kelantan, Malaysia
| | - Norhayati Mohd Noor
- Reconstructive Sciences Unit, School of Medical Sciences, Universiti Sains Malaysia, 16150, Kubang Kerian, Kelantan, Malaysia
| | - Mohaini Mohamed
- Reconstructive Sciences Unit, School of Medical Sciences, Universiti Sains Malaysia, 16150, Kubang Kerian, Kelantan, Malaysia
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Gomathysankar S, Halim AS, Yaacob NS, Noor NM, Mohamed M. Compatibility of Porous Chitosan Scaffold with the Attachment and Proliferation of human Adipose-Derived Stem Cells In Vitro. J Stem Cells Regen Med 2016; 12:79-86. [PMID: 28096632 PMCID: PMC5227107] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2015] [Accepted: 07/11/2016] [Indexed: 11/13/2023]
Abstract
Adipose-derived stem cells (ASCs) have potential applications in the repair and regeneration of various tissues and organs. The use of various scaffold materials as an excellent template for mimicking the extracellular matrix to induce the attachment and proliferation of different cell types has always been of interest in the field of tissue engineering because ideal biomaterials are in great demand. Chitosan, a marine polysaccharide, have wide clinical applications and it acts as a promising scaffold for cell migration and proliferation. ASCs, with their multi-differentiation potential, and chitosan, with its great biocompatibility with ASCs, were investigated in the present study. ASCs were isolated and were characterized by two different methods: immunocytochemistry and flow cytometry, using the mesenchymal stem cell markers CD90, CD105, CD73 and CD29. The ASCs were then induced to differentiate into adipogenic, osteogenic and chondrogenic lineages. These ASCs were incorporated into a porous chitosan scaffold (PCS), and their structural morphology was studied using a scanning electron microscope and hematoxylin and eosin staining. The proliferation rate of the ASCs on the PCS was assessed using a PrestoBlue viability assay. The results indicated that the PCS provides an excellent template for the adhesion and proliferation of ASCs. Thus, this study revealed that PCS is a promising biomaterial for inducing the proliferation of ASCs, which could lead to successful tissue reconstruction in the field of tissue engineering.
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Affiliation(s)
- Sankaralakshmi Gomathysankar
- Reconstructive Sciences Unit, School of Medical Sciences, Universiti Sains Malaysia, 16150, Kubang Kerian, Kelantan, Malaysia
| | - Ahmad Sukari Halim
- Reconstructive Sciences Unit, School of Medical Sciences, Universiti Sains Malaysia, 16150, Kubang Kerian, Kelantan, Malaysia
| | - Nik Soriani Yaacob
- Department of Chemical Pathology, School of Medical Sciences, Universiti Sains Malaysia, 16150, Kubang kerian, Kelantan, Malaysia.
| | - Norhayati Mohd Noor
- Reconstructive Sciences Unit, School of Medical Sciences, Universiti Sains Malaysia, 16150, Kubang Kerian, Kelantan, Malaysia
| | - Mohaini Mohamed
- Reconstructive Sciences Unit, School of Medical Sciences, Universiti Sains Malaysia, 16150, Kubang Kerian, Kelantan, Malaysia
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LEE WONHO, CHOI SEONGHUN, KANG SUJIN, SONG CHANGHYUN, PARK SOOJIN, LEE YOUNGJOON, KU SAEKWANG. Genotoxicity testing of Persicariae Rhizoma ( Persicaria tinctoria H. Gross) aqueous extracts. Exp Ther Med 2016; 12:123-134. [PMID: 27347027 PMCID: PMC4906793 DOI: 10.3892/etm.2016.3273] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2015] [Accepted: 04/05/2016] [Indexed: 12/27/2022] Open
Abstract
Persicariae Rhizoma (PR) has been used as an anti-inflammatory and detoxification agent in Korea, and contains the biologically active dyes purple indirubin and blue indigo. Despite synthetic indigo showing genotoxic potential, thorough studies have not been carried out on the genotoxicity of PR. The potential genotoxicity of an aqueous extract of PR containing indigo (0.043%) and indirubin (0.009%) was evaluated using a standard battery of tests for safety assessment. The PR extract did not induce any genotoxic effects under the conditions of this study. The results of a reverse mutation assay in four Salmonella typhimurium strains and one Escherichia coli strain indicated that PR extract did not increase the frequency of revertant colonies in any strain, regardless of whether S9 mix was present or not. The PR extract also did not increase chromosomal aberrations in the presence or absence of S9 mix. Although slight signs of diarrhea were restrictedly detected in the mice treated with 2,000 mg/kg PR extract, no noteworthy changes in the frequency of micronucleated polychromatic erythrocytes were observed at doses ≤2,000 mg/kg in a bone marrow micronucleus test. These results indicate the potential safety of the PR extract, particularly if it is consumed in small amounts compared with the quantities used in the genotoxicity tests.
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Affiliation(s)
- WON HO LEE
- Department of Anatomy and Histology, College of Korean Medicine, Daegu Haany University, Gyeongsan, Gyeongbuk 38610, Republic of Korea
| | - SEONG HUN CHOI
- Department of Anatomy and Histology, College of Korean Medicine, Daegu Haany University, Gyeongsan, Gyeongbuk 38610, Republic of Korea
| | - SU JIN KANG
- Department of Preventive Medicine, College of Korean Medicine, Daegu Haany University, Gyeongsan, Gyeongbuk 38610, Republic of Korea
| | - CHANG HYUN SONG
- Department of Anatomy and Histology, College of Korean Medicine, Daegu Haany University, Gyeongsan, Gyeongbuk 38610, Republic of Korea
| | - SOO JIN PARK
- Department of Anatomy and Histology, College of Korean Medicine, Daegu Haany University, Gyeongsan, Gyeongbuk 38610, Republic of Korea
| | - YOUNG JOON LEE
- Department of Preventive Medicine, College of Korean Medicine, Daegu Haany University, Gyeongsan, Gyeongbuk 38610, Republic of Korea
| | - SAE KWANG KU
- Department of Anatomy and Histology, College of Korean Medicine, Daegu Haany University, Gyeongsan, Gyeongbuk 38610, Republic of Korea
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