1
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Davari N, Nourmohammadi J, Mohammadi J. Nitric oxide-releasing thiolated starch nanoparticles embedded in gelatin sponges for wound dressing applications. Int J Biol Macromol 2024; 265:131062. [PMID: 38521307 DOI: 10.1016/j.ijbiomac.2024.131062] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2023] [Revised: 03/03/2024] [Accepted: 03/20/2024] [Indexed: 03/25/2024]
Abstract
This study introduces a novel wound dressing by combining nitric oxide-releasing thiolated starch nanoparticles (NO-TS NPs) with gelatin. First, starch was thiolated (TS), and then its nanoparticles were prepared (TS NPs). Subsequently, NPs were covalently bonded to sodium nitrite to obtain NO-releasing TS NPs (NO-TS-NPs) that were incorporated into gelatin sponges at various concentrations. The resulting spherical TS NPs had a mean size of 85.42 ± 5.23 nm, which rose to 100.73 ± 7.41 nm after bonding with sodium nitrite. FTIR spectroscopy confirmed S-nitrosation on the NO-TS NPs' surface, and morphology analysis showed well-interconnected pores in all sponges. With higher NO-TS NPs content, pore size, porosity, and water uptake increased, while compressive modulus and strength decreased. Composites exhibited antibacterial activity, particularly against E. coli, with enhanced efficacy at higher NPs' concentrations. In vitro release studies demonstrated Fickian diffusion, with faster NO release in sponges containing more NPs. The released NO amounts were non-toxic to fibroblasts, but samples with fewer NO-TS NPs exhibited superior cellular density, cell attachment, and collagen secretion. Considering the results, including favorable mechanical strength, release behavior, antibacterial and cellular properties, gelatin sponges loaded with 2 mg/mL of NO-TS NPs can be suitable for wound dressing applications.
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Affiliation(s)
- Niyousha Davari
- Department of Life Science Engineering, Faculty of New Sciences and Technologies, University of Tehran, Tehran 143951561, Iran
| | - Jhamak Nourmohammadi
- Department of Life Science Engineering, Faculty of New Sciences and Technologies, University of Tehran, Tehran 143951561, Iran.
| | - Javad Mohammadi
- Department of Life Science Engineering, Faculty of New Sciences and Technologies, University of Tehran, Tehran 143951561, Iran
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2
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Sanjarnia P, Nourmohammadi J, Hesaraki S. Nanocomposite chitosan dressing incorporating polydopamine‑copper Janus nanoparticle. Int J Biol Macromol 2023; 251:126173. [PMID: 37558027 DOI: 10.1016/j.ijbiomac.2023.126173] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2023] [Revised: 07/24/2023] [Accepted: 08/05/2023] [Indexed: 08/11/2023]
Abstract
This research aims to introduce a new wound dressing with antibacterial and anti-inflammatory properties made from chitosan and copper-containing Janus nanoparticles (JNPs). The JNPs were synthesized by attaching copper to PDA nanospheres, which were then embedded in Chitosan at different concentrations. The resulting spherical JNPs had a mean size of 208 ± 96 nm, and EDX mapping showed successful adhesion of Cu2+ ions to PDA nanospheres with a total Cu2+ content of 16.5 wt%. The samples exhibited interconnected porous structures, increasing JNPs concentration resulting in larger pore size and higher porosity. The addition of JNPs to 10 % (Ch-JNP 10) resulted in the highest strength, young modulus, and crystallinity, while a reverse trend was observed at higher JNPs content. JNPs improve the antibacterial activity of chitosan-based dressing, especially against E. coli. All samples were biocompatible and did not exhibit any cytotoxic effects. Ch-JNP10 had higher cellular density, confluency, and collagen secretion than other samples. The in vivo study demonstrated that Ch-JNP10 induced epithelialization and oriented collagen fiber formation while reducing inflammation. Overall, Ch-JNP10 may be a potential wound dressing for chronic wounds.
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Affiliation(s)
- Pegah Sanjarnia
- Faculty of New Sciences and Technologies, Department of Life Science Engineering, University of Tehran, Tehran, Iran
| | - Jhamak Nourmohammadi
- Faculty of New Sciences and Technologies, Department of Life Science Engineering, University of Tehran, Tehran, Iran.
| | - Saeed Hesaraki
- Biomaterials Group, Nanotechnology, and Advanced Materials Department, Materials and Energy Research Center (MERC), Alborz, Iran
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3
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Li K, Zhu Z, Zhai Y, Chen S. Recent Advances in Electrospun Nanofiber-Based Strategies for Diabetic Wound Healing Application. Pharmaceutics 2023; 15:2285. [PMID: 37765254 PMCID: PMC10535965 DOI: 10.3390/pharmaceutics15092285] [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: 08/14/2023] [Revised: 08/30/2023] [Accepted: 08/30/2023] [Indexed: 09/29/2023] Open
Abstract
Diabetic ulcers are the second largest complication caused by diabetes mellitus. A great number of factors, including hyperchromic inflammation, susceptible microbial infection, inferior vascularization, the large accumulation of free radicals, and other poor healing-promoting microenvironments hold back the healing process of chronic diabetic ulcer in clinics. With the increasing clinical cases of diabetic ulcers worldwide, the design and development of advanced wound dressings are urgently required to accelerate the treatment of skin wounds caused by diabetic complications. Electrospinning technology has been recognized as a simple, versatile, and cost-reasonable strategy to fabricate dressing materials composed of nanofibers, which possess excellent extracellular matrix (ECM)-mimicking morphology, structure, and biological functions. The electrospinning-based nanofibrous dressings have been widely demonstrated to promote the adhesion, migration, and proliferation of dermal fibroblasts, and further accelerate the wound healing process compared with some other dressing types like traditional cotton gauze and medical sponges, etc. Moreover, the electrospun nanofibers are commonly harvested in the structure of nonwoven-like mats, which possess small pore sizes but high porosity, resulting in great microbial barrier performance as well as excellent moisture and air permeable properties. They also serve as good carriers to load various bioactive agents and/or even living cells, which further impart the electrospinning-based dressings with predetermined biological functions and even multiple functions to significantly improve the healing outcomes of different chronic skin wounds while dramatically shortening the treatment procedure. All these outstanding characteristics have made electrospun nanofibrous dressings one of the most promising dressing candidates for the treatment of chronic diabetic ulcers. This review starts with a brief introduction to diabetic ulcer and the electrospinning process, and then provides a detailed introduction to recent advances in electrospinning-based strategies for the treatment of diabetic wounds. Importantly, the synergetic application of combining electrospinning with bioactive ingredients and/or cell therapy was highlighted. The review also discussed the advantages of hydrogel dressings by using electrospun nanofibers. At the end of the review, the challenge and prospects of electrospinning-based strategies for the treatment of diabetic wounds are discussed in depth.
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Affiliation(s)
- Kun Li
- College of Textile & Clothing, Qingdao University, Qingdao 266071, China;
| | - Zhijun Zhu
- College of Chemistry & Chemical Engineering, Qingdao University, Qingdao 266071, China; (Z.Z.); (Y.Z.)
| | - Yanling Zhai
- College of Chemistry & Chemical Engineering, Qingdao University, Qingdao 266071, China; (Z.Z.); (Y.Z.)
| | - Shaojuan Chen
- College of Textile & Clothing, Qingdao University, Qingdao 266071, China;
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4
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Zhu S, Zhao B, Li M, Wang H, Zhu J, Li Q, Gao H, Feng Q, Cao X. Microenvironment responsive nanocomposite hydrogel with NIR photothermal therapy, vascularization and anti-inflammation for diabetic infected wound healing. Bioact Mater 2023; 26:306-320. [PMID: 36950149 PMCID: PMC10027510 DOI: 10.1016/j.bioactmat.2023.03.005] [Citation(s) in RCA: 26] [Impact Index Per Article: 26.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2022] [Revised: 02/15/2023] [Accepted: 03/08/2023] [Indexed: 03/16/2023] Open
Abstract
Bacterial infection, excessive inflammation and damaging blood vessels network are the major factors to delay the healing of diabetic ulcer. At present, most of wound repair materials are passive and can't response to the wound microenvironment, resulting in a low utilization of bioactive substances and hence a poor therapeutic effect. Therefore, it's essential to design an intelligent wound dressing responsive to the wound microenvironment to achieve the release of drugs on-demand on the basis of multifunctionality. In this work, metformin-laden CuPDA NPs composite hydrogel (Met@ CuPDA NPs/HG) was fabricated by dynamic phenylborate bonding of gelatin modified by dopamine (Gel-DA), Cu-loaded polydopamine nanoparticles (CuPDA NPs) with hyaluronic acid modified by phenyl boronate acid (HA-PBA), which possessed good injectability, self-healing, adhesive and DPPH scavenging performance. The slow release of metformin was achieved by the interaction with CuPDA NPs, boric groups (B-N coordination) and the constraint of hydrogel network. Metformin had a pH and glucose responsive release behavior to treat different wound microenvironment intelligently. Moreover, CuPDA NPs endowed the hydrogel excellent photothermal responsiveness to kill bacteria of >95% within 10 min and also the slow release of Cu2+ to protect wound from infection for a long time. Met@ CuPDA NPs/HG also recruited cells to a certain direction and promoted vascularization by releasing Cu2+. More importantly, Met@CuPDA NPs/HG effectively decreased the inflammation by eliminating ROS and inhibiting the activation of NF-κB pathway. Animal experiments demonstrated that Met@CuPDA NPs/HG significantly promoted wound healing of diabetic SD rats by killing bacteria, inhibiting inflammation, improving angiogenesis and accelerating the deposition of ECM and collagen. Therefore, Met@CuPDA NPs/HG had a great application potential for diabetic wound healing.
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Affiliation(s)
- Shuangli Zhu
- School of Materials Science and Engineering, South China University of Technology, Guangzhou, 510641, PR China
- National Engineering Research Centre for Tissue Restoration and Reconstruction, South China University of Technology, Guangzhou, 510006, PR China
| | - Bangjiao Zhao
- School of Materials Science and Engineering, South China University of Technology, Guangzhou, 510641, PR China
- National Engineering Research Centre for Tissue Restoration and Reconstruction, South China University of Technology, Guangzhou, 510006, PR China
| | - Maocai Li
- School of Materials Science and Engineering, South China University of Technology, Guangzhou, 510641, PR China
- National Engineering Research Centre for Tissue Restoration and Reconstruction, South China University of Technology, Guangzhou, 510006, PR China
| | - Hao Wang
- School of Medicine, South China University of Technology, Guangzhou, 510006, PR China
| | - Jiayi Zhu
- School of Medicine, South China University of Technology, Guangzhou, 510006, PR China
| | - Qingtao Li
- School of Medicine, South China University of Technology, Guangzhou, 510006, PR China
| | - Huichang Gao
- School of Medicine, South China University of Technology, Guangzhou, 510006, PR China
| | - Qi Feng
- School of Materials Science and Engineering, South China University of Technology, Guangzhou, 510641, PR China
- National Engineering Research Centre for Tissue Restoration and Reconstruction, South China University of Technology, Guangzhou, 510006, PR China
| | - Xiaodong Cao
- School of Materials Science and Engineering, South China University of Technology, Guangzhou, 510641, PR China
- National Engineering Research Centre for Tissue Restoration and Reconstruction, South China University of Technology, Guangzhou, 510006, PR China
- Key Laboratory of Biomedical Engineering of Guangdong Province, South China University of Technology, Guangzhou, 510006, PR China
- Key Laboratory of Biomedical Materials and Engineering of the Ministry of Education, South China University of Technology, Guangzhou, 510006, PR China
- Zhongshan Institute of Modern Industrial Technology of SCUT, Zhongshan, Guangdong, 528437, PR China
- Corresponding author. School of Materials Science and Engineering, South China University of Technology, Guangzhou, 510641, PR China.
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5
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Review on Biomedical Advances of Hybrid Nanocomposite Biopolymeric Materials. Bioengineering (Basel) 2023; 10:bioengineering10030279. [PMID: 36978670 PMCID: PMC10045899 DOI: 10.3390/bioengineering10030279] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2023] [Revised: 02/15/2023] [Accepted: 02/16/2023] [Indexed: 02/24/2023] Open
Abstract
Hybrid materials are classified as one of the most highly important topics that have been of great interest to many researchers in recent decades. There are many species that can fall under this category, one of the most important of which contain biopolymeric materials as a matrix and are additionally reinforced by different types of carbon sources. Such materials are characterized by many diverse properties in a variety industrial and applied fields but especially in the field of biomedical applications. The biopolymeric materials that fall under this label are divided into natural biopolymers, which include chitosan, cellulose, and gelatin, and industrial or synthetic polymers, which include polycaprolactone, polyurethane, and conducting polymers of variable chemical structures. Furthermore, there are many types of carbon nanomaterials that are used as enhancers in the chemical synthesis of these materials as reinforcement agents, which include carbon nanotubes, graphene, and fullerene. This research investigates natural biopolymers, which can be composed of carbon materials, and the educational and medical applications that have been developed for them in recent years. These applications include tissue engineering, scaffold bones, and drug delivery systems.
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6
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Khodaei T, Nourmohammadi J, Ghaee A, Khodaii Z. An antibacterial and self-healing hydrogel from aldehyde-carrageenan for wound healing applications. Carbohydr Polym 2023; 302:120371. [PMID: 36604050 DOI: 10.1016/j.carbpol.2022.120371] [Citation(s) in RCA: 18] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2022] [Revised: 10/28/2022] [Accepted: 11/16/2022] [Indexed: 11/23/2022]
Abstract
This study aimed to develop and characterize a novel antibacterial, self-healing hydrogel made from aldehyde-carrageenan. Thus, carrageenan (CA) was first oxidized using different amounts of sodium periodate (NaIO4), and the highest concentration of aldehyde was obtained when the ratio of NaIO4 to CA was 1.5:1. Using dopamine (PDA) and zinc ions (Zn2+), various hydrogels were synthesized from oxidized carrageenan (O-CA). The effects of dopamine and zinc ions on the properties of O-CA hydrogel were examined. According to Fourier Transform Infrared Spectroscopy (FTIR) studies, the hydrogel's components are linked by Schiff bases, hydrogen bonds, and ion complexes. The rheological tests confirmed that hydrogels were elastic gels, not viscous sol, and were able to recover rapidly. Adding zinc to the hydrogel reduced weight loss (38 %) and provided extra antibacterial properties, particularly against E. coli. In addition, collagen secretion and cell attachment to Zn-containing hydrogels were significantly increased, and fibroblast viability reached 118 %. Overall, a hybrid O-CA/PDA/Zn hydrogel has excellent potential for wound healing applications.
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Affiliation(s)
- Taravat Khodaei
- Faculty of New Sciences and Technologies, Department of Life Science Engineering, University of Tehran, Tehran, Iran
| | - Jhamak Nourmohammadi
- Faculty of New Sciences and Technologies, Department of Life Science Engineering, University of Tehran, Tehran, Iran.
| | - Azadeh Ghaee
- Faculty of New Sciences and Technologies, Department of Life Science Engineering, University of Tehran, Tehran, Iran
| | - Zohreh Khodaii
- Dietary Supplements and Probiotic Research Center, Alborz University of Medical Sciences, Karaj, Iran
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7
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Thermoresponsive nanocomposite hydrogels based on Gelatin/poly (N–isopropylacrylamide) (PNIPAM) for controlled drug delivery. Eur Polym J 2023. [DOI: 10.1016/j.eurpolymj.2023.111846] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
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8
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State-of-the-Art Review of Electrospun Gelatin-Based Nanofiber Dressings for Wound Healing Applications. NANOMATERIALS 2022; 12:nano12050784. [PMID: 35269272 PMCID: PMC8911957 DOI: 10.3390/nano12050784] [Citation(s) in RCA: 85] [Impact Index Per Article: 42.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/21/2022] [Revised: 02/22/2022] [Accepted: 02/25/2022] [Indexed: 02/04/2023]
Abstract
Electrospun nanofiber materials have been considered as advanced dressing candidates in the perspective of wound healing and skin regeneration, originated from their high porosity and permeability to air and moisture, effective barrier performance of external pathogens, and fantastic extracellular matrix (ECM) fibril mimicking property. Gelatin is one of the most important natural biomaterials for the design and construction of electrospun nanofiber-based dressings, due to its excellent biocompatibility and biodegradability, and great exudate-absorbing capacity. Various crosslinking approaches including physical, chemical, and biological methods have been introduced to improve the mechanical stability of electrospun gelatin-based nanofiber mats. Some innovative electrospinning strategies, including blend electrospinning, emulsion electrospinning, and coaxial electrospinning, have been explored to improve the mechanical, physicochemical, and biological properties of gelatin-based nanofiber mats. Moreover, numerous bioactive components and therapeutic agents have been utilized to impart the electrospun gelatin-based nanofiber dressing materials with multiple functions, such as antimicrobial, anti-inflammation, antioxidation, hemostatic, and vascularization, as well as other healing-promoting capacities. Noticeably, electrospun gelatin-based nanofiber mats integrated with specific functions have been fabricated to treat some hard-healing wound types containing burn and diabetic wounds. This work provides a detailed review of electrospun gelatin-based nanofiber dressing materials without or with therapeutic agents for wound healing and skin regeneration applications.
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9
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Lei F, Zhou G, Chen Y, Cai J, Wang J, Shuai Y, Xu Z, Wang Z, Mao C, Yang M. Arginine induces protein self-assembly into nanofibers for triggering osteogenic differentiation of stem cells. J Mater Chem B 2021; 9:9764-9769. [PMID: 34806096 DOI: 10.1039/d1tb01921j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Although silk proteins are considered promising in building a scaffold for tissue engineering, one of the silk proteins, Bombyx mori silk sericin (BS), has limited processability in producing nanofibrous scaffolds because its surface charge anisotropy promotes gelation instead. To overcome this daunting challenge, we developed a mild and simple procedure for assembling BS into nanofibers and nanofibrous scaffolds. Briefly, arginine was added to the aqueous BS solution to reduce the negative charge of BS, thereby inducing BS to self-assemble into nanofibers in the solution. Circular dichroism (CD) and Fourier transform infrared (FT-IR) spectra showed that arginine promoted the formation of β-sheet conformation in BS and increased its thermal stability. Furthermore, the arginine-induced BS nanofiber solution could be casted into scaffolds made of abundant network-like nanofibrous structures. The BS scaffolds promoted cell adhesion and growth and stimulated osteogenic differentiation of the bone marrow mesenchymal stem cells (BMSCs) in the absence of differentiation inducers in culture media. Our study presents a new strategy for assembling proteins into osteogenic nanofibrous scaffolds for inducing stem cell differentiation in regenerative medicine.
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Affiliation(s)
- Fang Lei
- Institute of Applied Bioresource Research, College of Animal Science, Zhejiang University, Yuhangtang Road 866, Hangzhou 310058, China.
| | - Guanshan Zhou
- Institute of Applied Bioresource Research, College of Animal Science, Zhejiang University, Yuhangtang Road 866, Hangzhou 310058, China.
| | - Yuping Chen
- Institute of Applied Bioresource Research, College of Animal Science, Zhejiang University, Yuhangtang Road 866, Hangzhou 310058, China.
| | - Jiangfeng Cai
- Institute of Applied Bioresource Research, College of Animal Science, Zhejiang University, Yuhangtang Road 866, Hangzhou 310058, China.
| | - Jie Wang
- Institute of Applied Bioresource Research, College of Animal Science, Zhejiang University, Yuhangtang Road 866, Hangzhou 310058, China.
| | - Yajun Shuai
- Institute of Applied Bioresource Research, College of Animal Science, Zhejiang University, Yuhangtang Road 866, Hangzhou 310058, China.
| | - Zongpu Xu
- Institute of Applied Bioresource Research, College of Animal Science, Zhejiang University, Yuhangtang Road 866, Hangzhou 310058, China.
| | - Zhangfu Wang
- Department of Orthopaedics, Taizhou Hospital of Zhejiang Province Affiliated to Wenzhou Medical University, Linhai 317000, Zhejiang, China
| | - Chuanbin Mao
- Department of Chemistry & Biochemistry, Stephenson Life Science Research Center, Institute for Biomedical Engineering Science and Technology, University of Oklahoma, 101 Stephenson Parkway, Norman, Oklahoma 73019-5251, USA. .,School of Materials Science and Engineering, Zhejiang University, Hangzhou, Zhejiang 310027, P. R. China
| | - Mingying Yang
- Institute of Applied Bioresource Research, College of Animal Science, Zhejiang University, Yuhangtang Road 866, Hangzhou 310058, China.
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10
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Vineis C, Cruz Maya I, Mowafi S, Varesano A, Sánchez Ramírez DO, Abou Taleb M, Tonetti C, Guarino V, El-Sayed H. Synergistic effect of sericin and keratin in gelatin based nanofibers for in vitro applications. Int J Biol Macromol 2021; 190:375-381. [PMID: 34499951 DOI: 10.1016/j.ijbiomac.2021.09.007] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2021] [Revised: 08/26/2021] [Accepted: 09/01/2021] [Indexed: 11/18/2022]
Abstract
Protein-based nanomaterials are gaining growing interest in biomedical field. The present paper evaluates the physico-chemical properties of electrospun nanofibers resulting from the combination of gelatin with keratin (from wool) and sericin (from silk) to validate their use for in vitro interaction studies. We demonstrated that that presence of sericin influences the fiber morphology at macroscopic level - i.e., wide diameter distributions by SEM and image analysis - with effects on chemical - i.e., a decrease of hydrogen bonds of NH groups verified by infrared spectroscopy - and thermal behavior of electrospun nanofibers, in comparison with gelatin-based ones. Moreover, we verified that sericin, in combination with keratin macromolecules, can amplify the biochemical signal of gelatin, improving the in-vitro stability of gelatin-based nanofibers. In vitro results confirm a synergistic effect of sericin and keratin on human Mesenchymal Stem Cells (hMSC) proliferation - increase over 50% respect to other types - associated to the enhancement of in vitro stability directly ascribable to the peculiar physical interaction among the proteins. These findings suggest the use of sericin/keratin/gelatin enriched electrospun fibers as nanostructured platforms for interface tissue engineering.
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Affiliation(s)
- C Vineis
- CNR-STIIMA (National Research Council - Institute of Intelligent Industrial Technologies and Systems for Advanced Manufacturing), Corso Giuseppe Pella 16, 13900 Biella, Italy
| | - I Cruz Maya
- CNR-IPCB (National Research Council - Institute for Polymers, Composites and Biomaterials), Mostra d'Oltremare, Pad. 20, V.le J.F. Kennedy 54, 80125 Napoli, Italy
| | - S Mowafi
- National Research Centre, Textile Industries Research Division, El-Behouth St. 33, 12622-Dokki, Giza, Egypt
| | - A Varesano
- CNR-STIIMA (National Research Council - Institute of Intelligent Industrial Technologies and Systems for Advanced Manufacturing), Corso Giuseppe Pella 16, 13900 Biella, Italy.
| | - D O Sánchez Ramírez
- CNR-STIIMA (National Research Council - Institute of Intelligent Industrial Technologies and Systems for Advanced Manufacturing), Corso Giuseppe Pella 16, 13900 Biella, Italy
| | - M Abou Taleb
- National Research Centre, Textile Industries Research Division, El-Behouth St. 33, 12622-Dokki, Giza, Egypt
| | - C Tonetti
- CNR-STIIMA (National Research Council - Institute of Intelligent Industrial Technologies and Systems for Advanced Manufacturing), Corso Giuseppe Pella 16, 13900 Biella, Italy
| | - V Guarino
- CNR-IPCB (National Research Council - Institute for Polymers, Composites and Biomaterials), Mostra d'Oltremare, Pad. 20, V.le J.F. Kennedy 54, 80125 Napoli, Italy.
| | - H El-Sayed
- National Research Centre, Textile Industries Research Division, El-Behouth St. 33, 12622-Dokki, Giza, Egypt
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11
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Hasannasab M, Nourmohammadi J, Dehghan MM, Ghaee A. Immobilization of bromelain and ZnO nanoparticles on silk fibroin nanofibers as an antibacterial and anti-inflammatory burn dressing. Int J Pharm 2021; 610:121227. [PMID: 34699950 DOI: 10.1016/j.ijpharm.2021.121227] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2021] [Revised: 10/16/2021] [Accepted: 10/20/2021] [Indexed: 11/26/2022]
Abstract
Burns is a critical fatal event due to the risk of infection and complex inflammatory cascades. This study aimed to fabricate and characterize a new antibacterial and anti-inflammatory dressing for second-degree burns by the immobilization of bromelain and zinc oxide nanoparticles on silk fibroin nanofibers. Thus, electrospun silk nanofibers with an average fiber diameter of 345 nm were prepared and then grafted with acrylic acid after exposure to O2 plasma. Next, bromelain was immobilized on the modified SF nanofibers (SF-Br). Subsequently, different amounts of ZnO NPs coated with polydopamine were immobilized on the SF-Br nanofibers. The successful immobilization of bromelain and ZnO NPs on the SF nanofibers was proved by SEM, EDS, and FTIR analysis. The loading efficiency of bromelain was 85.63%, and activity ranged between 88% and 92%. The crystallinity of SF nanofibers decreased after the addition of bromelain and ZnO NPs, which increased the bromelain and zinc ions released from the dressing. Antibacterial activity has improved with the addition of ZnO NPs. The amounts of bromelain released from the dressings are not toxic to fibroblasts. Moreover, fibroblast attachment and proliferation enhanced at lower ZnO amounts, while there was an inverse trend at high doses of ZnO NPs. In vivo studies showed that treating the burn with silk fibroin-bromelain-ZnO NPs enhanced the healing process and considerably lowered the inflammatory response at the wound. Overall, the dressing presented here offers excellent potential for burn management.
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Affiliation(s)
- Maede Hasannasab
- Department of Life Science Engineering, Faculty of New Sciences and Technologies, University of Tehran, Tehran, Iran
| | - Jhamak Nourmohammadi
- Department of Life Science Engineering, Faculty of New Sciences and Technologies, University of Tehran, Tehran, Iran.
| | - Mohammad Mehdi Dehghan
- Department of Surgery and Radiology, Faculty of Veterinary Medicine, University of Tehran, Tehran, Iran; Institute of Biomedical Research, University of Tehran, Tehran, Iran
| | - Azadeh Ghaee
- Department of Life Science Engineering, Faculty of New Sciences and Technologies, University of Tehran, Tehran, Iran
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12
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Synthesis, rheological characterization, and antibacterial activity of polyvinyl alcohol (PVA)/ zinc oxide nanoparticles wound dressing, achieved under electron beam irradiation. IRANIAN POLYMER JOURNAL 2021. [DOI: 10.1007/s13726-021-00952-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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13
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14
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Marvi MS, Nourmohammadi J, Ataie M, Negahdari B, Naderi M. Surface modification of titanium implants via electrospinning of sericin and Equisetum arvense enhances the osteogenic differentiation of stem cells. INT J POLYM MATER PO 2021. [DOI: 10.1080/00914037.2021.1933979] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Affiliation(s)
- Mehri Sadat Marvi
- Department of Life Science Engineering, Faculty of New Sciences and Technologies, University of Tehran, Tehran, Iran
| | - Jhamak Nourmohammadi
- Department of Life Science Engineering, Faculty of New Sciences and Technologies, University of Tehran, Tehran, Iran
| | - Maryam Ataie
- Department of Life Science Engineering, Faculty of New Sciences and Technologies, University of Tehran, Tehran, Iran
| | - Babak Negahdari
- Department of Medical Biotechnology, School of Advanced Technologies in Medicine, Tehran University of Medical sciences, Tehran, Iran
| | - Mahmood Naderi
- Cell‐Based Therapies Research Center, Digestive Disease Research Institute, Tehran University of Medical Sciences, Tehran, Iran
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15
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Han K, Bai Q, Wu W, Sun N, Cui N, Lu T. Gelatin-based adhesive hydrogel with self-healing, hemostasis, and electrical conductivity. Int J Biol Macromol 2021; 183:2142-2151. [PMID: 34048838 DOI: 10.1016/j.ijbiomac.2021.05.147] [Citation(s) in RCA: 53] [Impact Index Per Article: 17.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2021] [Revised: 05/12/2021] [Accepted: 05/21/2021] [Indexed: 02/07/2023]
Abstract
As a kind of natural protein derived material, gelatin has been widely used in the preparation of medical hydrogels due to its good biocompatibility, non-immunogenicity and the ability of promoting cell adhesion. Functionalization of gelatin-based hydrogels is a hot topic in research and its clinic application. Herein, a novel gelatin-based adhesive hydrogel was prepared via mussel-inspired chemistry. Gelatin was firstly functionalized by dopamine to form dopamine grafted gelatin (GelDA). After the mixture with 1,4-phenylenebisboronic acid and graphene oxide (GO), the GelDA/GO hydrogels were obtained by H2O2/HRP (horseradish peroxidase) catalytic system. Based on the self-healing and tissue adhesion of the hydrogels, the hemostatic property has been exhibited in the rat hepatic hemorrhage model. Additionally, the incorporation of GO endowed conductivity and enhanced the mechanical property of GelDA/GO hydrogels. The electromyography (EMG) signals of finger movement were successfully monitored by using hydrogel as the adhesive electrodes of EMG monitor. L929 cell experiments showed that the hydrogels had good cytocompatibility. The results indicated the potential application of GelDA/GO hydrogels in tissue adhesives, wound dressings, and wearable devices.
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Affiliation(s)
- Kai Han
- Key Laboratory for Space Bioscience and Biotechnology, School of Life Sciences, Northwestern Polytechnical University, No.127 Youyi West Road, Xi'an, Shaanxi 710072, People's Republic of China
| | - Que Bai
- Key Laboratory for Space Bioscience and Biotechnology, School of Life Sciences, Northwestern Polytechnical University, No.127 Youyi West Road, Xi'an, Shaanxi 710072, People's Republic of China
| | - Wendong Wu
- Key Laboratory for Space Bioscience and Biotechnology, School of Life Sciences, Northwestern Polytechnical University, No.127 Youyi West Road, Xi'an, Shaanxi 710072, People's Republic of China
| | - Na Sun
- Key Laboratory for Space Bioscience and Biotechnology, School of Life Sciences, Northwestern Polytechnical University, No.127 Youyi West Road, Xi'an, Shaanxi 710072, People's Republic of China
| | - Ning Cui
- Key Laboratory for Space Bioscience and Biotechnology, School of Life Sciences, Northwestern Polytechnical University, No.127 Youyi West Road, Xi'an, Shaanxi 710072, People's Republic of China.
| | - Tingli Lu
- Key Laboratory for Space Bioscience and Biotechnology, School of Life Sciences, Northwestern Polytechnical University, No.127 Youyi West Road, Xi'an, Shaanxi 710072, People's Republic of China.
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Ghalei S, Hopkins S, Douglass M, Garren M, Mondal A, Handa H. Nitric oxide releasing halloysite nanotubes for biomedical applications. J Colloid Interface Sci 2021; 590:277-289. [PMID: 33548611 PMCID: PMC7933102 DOI: 10.1016/j.jcis.2021.01.047] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2020] [Revised: 12/28/2020] [Accepted: 01/16/2021] [Indexed: 11/18/2022]
Abstract
Halloysite nanotubes (HNTs) are natural aluminosilicate clay that have been extensivelyexplored fordelivery of bioactive agents in biomedical applications because of their desirable features including unique hollow tubular structure, good biocompatibility, high mechanical strength, and extensive functionality. For the first time, in this work, functionalized HNTs are developed as a delivery platform for nitric oxide (NO), a gaseous molecule, known for its important roles in the regulation of various physiological processes. HNTs were first hydroxylated and modified with an aminosilane crosslinker, (3-aminopropyl) trimethoxysilane (APTMS), to enable the covalent attachment of a NO donor precursor, N-acetyl-d-penicillamine (NAP). HNT-NAP particles were then converted to NO-releasing S-nitroso-N-acetyl-penicillamine HNT-SNAP by nitrosation. The total NO loading on the resulting nanotubes was 0.10 ± 0.07 μmol/mg which could be released using different stimuli such as heat and light. Qualitative (Fourier-transform infrared spectroscopy and Nuclear magnetic resonance) and quantitative (Ninhydrin and Ellman) analyses were performed to confirm successful functionalization of HNTs at each step. Field emission scanning electron microscopy (FE-SEM) showed that the hollow tubular morphology of the HNTs was preserved after modification. HNT-SNAP showed concentration-dependent antibacterial effects against Gram-positive Staphylococcus aureus (S. aureus), resulting in up to 99.6% killing efficiency at a concentration of 10 mg/mL as compared to the control. Moreover, no significant cytotoxicity toward 3T3 mouse fibroblast cells was observed at concentrations equal or below 2 mg/mL of HNT-SNAP according to a WST-8-based cytotoxicity assay. The SNAP-functionalized HNTs represent a novel and efficient NO delivery system that holds the potential to be used, either alone or in combination with polymers for different biomedical applications.
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Affiliation(s)
- Sama Ghalei
- School of Chemical, Materials and Biomedical Engineering, University of Georgia, Athens 30602, United States
| | - Sean Hopkins
- School of Chemical, Materials and Biomedical Engineering, University of Georgia, Athens 30602, United States
| | - Megan Douglass
- School of Chemical, Materials and Biomedical Engineering, University of Georgia, Athens 30602, United States
| | - Mark Garren
- School of Chemical, Materials and Biomedical Engineering, University of Georgia, Athens 30602, United States
| | - Arnab Mondal
- School of Chemical, Materials and Biomedical Engineering, University of Georgia, Athens 30602, United States
| | - Hitesh Handa
- School of Chemical, Materials and Biomedical Engineering, University of Georgia, Athens 30602, United States.
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Nuvoli L, Conte P, Fadda C, Reglero Ruiz JA, García JM, Baldino S, Mannu A. Structural, thermal, and mechanical properties of gelatin-based films integrated with tara gum. POLYMER 2021. [DOI: 10.1016/j.polymer.2020.123244] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
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18
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Wang CY, Hong PD, Wang DH, Cherng JH, Chang SJ, Liu CC, Fang TJ, Wang YW. Polymeric Gelatin Scaffolds Affect Mesenchymal Stem Cell Differentiation and Its Diverse Applications in Tissue Engineering. Int J Mol Sci 2020; 21:ijms21228632. [PMID: 33207764 PMCID: PMC7696434 DOI: 10.3390/ijms21228632] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2020] [Revised: 11/13/2020] [Accepted: 11/13/2020] [Indexed: 12/13/2022] Open
Abstract
Studies using polymeric scaffolds for various biomedical applications, such as tissue engineering, implants and medical substitutes, and drug delivery systems, have attempted to identify suitable material for tissue regeneration. This study aimed to investigate the biocompatibility and effectiveness of a gelatin scaffold seeded with human adipose stem cells (hASCs), including physical characteristics, multilineage differentiation in vitro, and osteogenic potential, in a rat model of a calvarial bone defect and to optimize its design. This functionalized scaffold comprised gelatin-hASCs layers to improve their efficacy in various biomedical applications. The gelatin scaffold exhibited excellent biocompatibility in vitro after two weeks of implantation. Furthermore, the gelatin scaffold supported and specifically regulated the proliferation and osteogenic and chondrogenic differentiation of hASCs, respectively. After 12 weeks of implantation, upon treatment with the gelatin-hASCs scaffold, the calvarial bone harboring the critical defect regenerated better and displayed greater osteogenic potential without any damage to the surrounding tissues compared to the untreated bone defect. These findings suggest that the present gelatin scaffold is a good potential carrier for stem cells in various tissue engineering applications.
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Affiliation(s)
- Chia-Yu Wang
- Department of Materials Sciences and Engineering, National Taiwan University of Science and Technology, Taipei 106, Taiwan; (C.-Y.W.); (P.-D.H.)
| | - Po-Da Hong
- Department of Materials Sciences and Engineering, National Taiwan University of Science and Technology, Taipei 106, Taiwan; (C.-Y.W.); (P.-D.H.)
| | - Ding-Han Wang
- Department of Dentistry, School of Dentistry, National Yang-Ming University, Taipei 112, Taiwan;
| | - Juin-Hong Cherng
- Laboratory of Adult Stem Cell and Tissue Regeneration, National Defense Medical Center, Taipei 114, Taiwan; (J.-H.C.); (S.-J.C.)
- Department and Graduate Institute of Biology and Anatomy, National Defense Medical Center, Taipei 114, Taiwan
- Department of Gerontological Health Care, National Taipei University of Nursing and Health Sciences, Taipei 112, Taiwan
| | - Shu-Jen Chang
- Laboratory of Adult Stem Cell and Tissue Regeneration, National Defense Medical Center, Taipei 114, Taiwan; (J.-H.C.); (S.-J.C.)
| | - Cheng-Che Liu
- Department of Physiology and Biophysics, Graduate Institute of Physiology, National Defense Medical Center, Taipei 114, Taiwan; (C.-C.L.); (T.-J.F.)
| | - Tong-Jing Fang
- Department of Physiology and Biophysics, Graduate Institute of Physiology, National Defense Medical Center, Taipei 114, Taiwan; (C.-C.L.); (T.-J.F.)
| | - Yi-Wen Wang
- Department and Graduate Institute of Biology and Anatomy, National Defense Medical Center, Taipei 114, Taiwan
- Correspondence: ; Tel.: +886-2-8792-3100 (ext. 18749); Fax: +886-2-87923767
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Shatabayeva E, Mun G, Shaikhutdinov Y, Khutoryanskiy V. Gelatin: sources, preparation and application in food and biomedicine. CHEMICAL BULLETIN OF KAZAKH NATIONAL UNIVERSITY 2020. [DOI: 10.15328/cb1112] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
Gelatin is a proteinaceous substance composed of all the essential amino acids (except tryptophan) and derived from collagen using a hydrolysis technique. Hydrogels and modified composites based on gelatin are widely used in the food industry, biomedicine, pharmaceutical industry and food packaging materials due to their biocompatibility, biodegradability, nonimmunogenicity and ability to stimulate cell adhesion and proliferation. Gelatin can absorb 5-10 times its weight of water and is the main ingredient of hard and soft capsules in pharmaceutical industry. It melts above 30°C and easily releases biologically active compounds, nutrients and drugs in human gastrointestinal tract. In addition, gelatin contains arginine-glycine-asparagine RGD-sequences in the polymer structure and contributes to various functions such as antioxidant, anti-hypertensive, anti-microbial, tissue regeneration, wound healing, enhances bone formation and anti-cancer therapy. This article reports a brief overview of gelatin sources, gelatin preparation processes and its physico-chemical properties, as well as advances in the preparation of gelatin-based composite materials and hydrogels for tissue engineering, drug delivery, wound dressings, active packaging using various cross-linking techniques.
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Rodríguez-Rodríguez R, Espinosa-Andrews H, Velasquillo-Martínez C, García-Carvajal ZY. Composite hydrogels based on gelatin, chitosan and polyvinyl alcohol to biomedical applications: a review. INT J POLYM MATER PO 2019. [DOI: 10.1080/00914037.2019.1581780] [Citation(s) in RCA: 49] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Rogelio Rodríguez-Rodríguez
- Unidad Médica y Farmacéutica, Centro de Investigación y Asistencia en Tecnología y Diseño del Estado de Jalisco, Guadalajara, Jalisco, Mexico
| | - Hugo Espinosa-Andrews
- Unidad de Tecnología Alimentaria, Centro de Investigación y Asistencia en Tecnología y Diseño del Estado de Jalisco, Zapopan, Jalisco, México
| | | | - Zaira Yunuen García-Carvajal
- Unidad Médica y Farmacéutica, Centro de Investigación y Asistencia en Tecnología y Diseño del Estado de Jalisco, Guadalajara, Jalisco, Mexico
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