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Omrani E, Haramshahi MA, Najmoddin N, Saeed M, Pezeshki-Modaress M. Acceleration of chondrogenic differentiation utilizing biphasic core-shell alginate sulfate electrospun nanofibrous scaffold. Colloids Surf B Biointerfaces 2024; 242:114080. [PMID: 39003847 DOI: 10.1016/j.colsurfb.2024.114080] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2024] [Revised: 07/04/2024] [Accepted: 07/06/2024] [Indexed: 07/16/2024]
Abstract
Engineering new biomedical materials with tailored physicochemical, mechanical and biological virtues in order to differentiate stem cells into chondrocytes for cartilage regeneration has garnered much scientific interest. In this study, core/shell nanofibrous scaffold based on poly(ɛ-caprolactone) (PCL) as a core material and alginate sulfate (AlgS)-poly(vinyl alcohol) (PVA) blend as shell materials (AlgS-PVA/PCL) was fabricated by emulsion electrospinning. In this vein, the influence of AlgS to PVA ratio (30:70, 50:50), organic to aqueous phase ratio (1:2, 1:3 and 1:5) and acid concentration (0, 10, 20, 30, 40 and 50 %) on nanofibers morphology were investigated. SEM images depicted that AlgS to PVA ratio of 30:70 and 50:50, organic to aqueous phase ratio of 1:3 and 1:5 and acid concentration of 30 % led to uniform, bead-free fibrous mats. AlgS-PVA/PCL scaffolds with AlgS to PVA ratio of 30:70 and organic to aqueous phase ratio of 1:3, showed admirable mechanical features, high porosity (>90 %) with desirable swelling ratio in wet condition. In vitro assays indicated that the AlgS-PVA/PCL scaffold surface had desirable interaction with stem cells and promotes cells attachment, proliferation and differentiation. Thus, we envision that this salient structure could be an intriguing construction as a cartilage tissue-engineered scaffold.
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Affiliation(s)
- Elmira Omrani
- Department of Biomedical Engineering, Medical Engineering and Biology Research Center, Science and Research Branch, Islamic Azad University, Tehran, the Islamic Republic of Iran
| | - Mohammad Amin Haramshahi
- Department of Tissue Engineering and Regenerative Medicine, Faculty of Advanced Technologies in Medicine, Iran University of Medical Sciences, Tehran, the Islamic Republic of Iran
| | - Najmeh Najmoddin
- Department of Biomedical Engineering, Medical Engineering and Biology Research Center, Science and Research Branch, Islamic Azad University, Tehran, the Islamic Republic of Iran.
| | - Mahdi Saeed
- Soft Tissue Engineering Research Center, Tissue Engineering and Regenerative Medicine Institute, Central Tehran Branch, Islamic Azad University, Tehran, the Islamic Republic of Iran
| | - Mohamad Pezeshki-Modaress
- Burn Research Center, Iran University of Medical Sciences, Tehran, the Islamic Republic of Iran; Department of Plastic and Reconstructive Surgery, Hazrat Fatemeh Hospital, School of Medicine, Iran University of Medical Sciences, Tehran, the Islamic Republic of Iran; Stem Cell and Regenerative Medicine Research Center, Iran University of Medical Sciences, Tehran, the Islamic Republic of Iran.
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2
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Chen L, Mei S, Fu K, Zhou J. Spinning the Future: The Convergence of Nanofiber Technologies and Yarn Fabrication. ACS NANO 2024; 18:15358-15386. [PMID: 38837241 DOI: 10.1021/acsnano.4c02399] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2024]
Abstract
The rapid advancement in nanofiber technologies has revolutionized the domain of yarn materials, marking a significant leap in textile technology. This review dissects the nexus between cutting-edge nanofiber technologies and yarn manufacturing, aiming to illuminate the pathway toward engineering advanced textiles with unparalleled functionality. It first discusses the fundamentals of nanofiber assemblies and spinning techniques, primarily focusing on electrospinning, centrifugal spinning, and blow spinning. Additionally, the study delves into integrating nanofiber spinning technologies with traditional and modern yarn fabrication principles, elucidating the design principles that underlie the creation of yarns incorporating nanofibers. Twisting technologies are explored to examine how they can be optimized and adapted for incorporating nanofibers, thus enabling the production of innovative nanofiber-based yarns. Special attention is given to scalable strategies like centrifugal and blow spinning, which are spotlighted for their efficiency and scalability in fabricating nanofiber yarns. This review further analyses recently developed nanofiber yarn applications, including wearable sensors, biomedical devices, moisture management textiles, and energy harvesting and storage devices. We finally present a forward-looking perspective to address unresolved issues in nanofiber-based yarn technologies.
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Affiliation(s)
- Long Chen
- Hubei Digital Textile Equipment Key Laboratory, Wuhan Textile University, Wuhan, Hubei 430200, China
- The Advanced Textile Technology Innovation Center (Jianhu Laboratory), Shaoxing 312000, China
- School of Material Science and Engineering, Key Laboratory for Polymeric Composite & Functional Materials of Ministry of Education, State Key Laboratory for Optoelectronic Materials and Technologies, Guangzhou Key Laboratory of Flexible Electronic Materials and Wearable Devices, Laboratory of Advanced Electronic and Fiber Materials, Sun Yat-sen University, Guangzhou, Guangdong 510275, China
| | - Shunqi Mei
- Hubei Digital Textile Equipment Key Laboratory, Wuhan Textile University, Wuhan, Hubei 430200, China
- The Advanced Textile Technology Innovation Center (Jianhu Laboratory), Shaoxing 312000, China
| | - Kelvin Fu
- Department of Mechanical Engineering, University of Delaware, Newark, Delaware 19716, United States
| | - Jian Zhou
- School of Material Science and Engineering, Key Laboratory for Polymeric Composite & Functional Materials of Ministry of Education, State Key Laboratory for Optoelectronic Materials and Technologies, Guangzhou Key Laboratory of Flexible Electronic Materials and Wearable Devices, Laboratory of Advanced Electronic and Fiber Materials, Sun Yat-sen University, Guangzhou, Guangdong 510275, China
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3
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Yu D, Duan Z, Wang A, Li L, Guo H, Deng B, Li D, Li H, Liu Q. Structure and properties of chlorogenic acid-loaded polylactide fiber prepared by melt spinning. Int J Biol Macromol 2024; 265:130810. [PMID: 38484822 DOI: 10.1016/j.ijbiomac.2024.130810] [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: 11/13/2023] [Revised: 03/08/2024] [Accepted: 03/10/2024] [Indexed: 03/18/2024]
Abstract
Polylactide/chlorogenic acid (PLA/CGA) blends with different weight ratios were prepared by melt mixing, and corresponding PLA/CGA fibers were produced via a two-step melt spinning process. For PLA/CGA blends, CGA was distributed uniformly in the PLA matrix. The intermolecular interactions between CGA and PLA existed. The viscosity of PLA/CGA blends was much lower than that of neat PLA. With the increase of CGA content, the viscosity of PLA/CGA blends decreased. As the CGA content increased, the crystallinity of both PLA/CGA blends and fibers decreased. In addition, the tensile strength of PLA/CGA fibers was slightly lower than that of neat PLA fiber. For PLA/CGA fibers, the 6-fold drawn PLA/CGA fiber with 3 % CGA owned the highest tensile strength of 420 MPa. The ultraviolet (UV) resistance of PLA/CGA fibers were enhanced significantly by the introduction of CGA. When the CGA content was not <3 %, the UV transmittance of PLA/CGA fibers was <8 %. Moreover, PLA/CGA fibers exhibited good antioxidant properties. PLA/CGA fibers with 10 % CGA owned the highest antioxidant rate of >90 %. In addition, the 6-fold drawn PLA/CGA fiber with 10 % CGA presented excellent release performance with a 7-day cumulative CGA release rate of 19 %.
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Affiliation(s)
- Dongzheng Yu
- Key Laboratory of Eco-Textiles, Ministry of Education, Jiangnan University, Wuxi 214122, China
| | - Zeping Duan
- Key Laboratory of Eco-Textiles, Ministry of Education, Jiangnan University, Wuxi 214122, China
| | - Aming Wang
- Key Laboratory of Eco-Textiles, Ministry of Education, Jiangnan University, Wuxi 214122, China
| | - Ling Li
- Key Laboratory of Eco-Textiles, Ministry of Education, Jiangnan University, Wuxi 214122, China
| | - Haiyang Guo
- Jiangsu Doway New Materials Science & Technology Co. Ltd., Suqian 223800, China
| | - Bingyao Deng
- Key Laboratory of Eco-Textiles, Ministry of Education, Jiangnan University, Wuxi 214122, China
| | - Dawei Li
- Key Laboratory of Eco-Textiles, Ministry of Education, Jiangnan University, Wuxi 214122, China
| | - Haoxuan Li
- Key Laboratory of Eco-Textiles, Ministry of Education, Jiangnan University, Wuxi 214122, China
| | - Qingsheng Liu
- Key Laboratory of Eco-Textiles, Ministry of Education, Jiangnan University, Wuxi 214122, China.
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4
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Martín-Alfonso MA, Rubio-Valle JF, Estrada-Villegas GM, Sánchez-Domínguez M, Martín-Alfonso JE. Exploring Cellulose Triacetate Nanofibers as Sustainable Structuring Agent for Castor Oil: Formulation Design and Rheological Insights. Gels 2024; 10:221. [PMID: 38667640 PMCID: PMC11048863 DOI: 10.3390/gels10040221] [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: 02/20/2024] [Revised: 03/13/2024] [Accepted: 03/22/2024] [Indexed: 04/28/2024] Open
Abstract
Developing gelled environmentally friendly dispersions in oil media is a hot topic for many applications. This study aimed to investigate the production of electrospun cellulose triacetate (CTA) nanofibers and to explore their potential application as a thickening agent for castor oil. The key factors in the electrospinning process, including the intrinsic properties of CTA solutions in methylene chloride (DCM)/ethanol (EtOH), such us the shear viscosity, surface tension, and electrical conductivity, were systematically studied. The impact of the CTA fiber concentration and the ratio of DCM/EtOH on the rheological properties of the gel-like dispersions in castor oil was then investigated. It was found that dispersions with a non-Newtonian response and above a critical concentration (5 wt.%), corresponding to approximately 2-2.5 times the entanglement concentration, are required to produce defect-free nanofibers. The average fiber diameter increased with CTA concentration. Further, the morphology and texture of the electrospun nanofibers are influenced by the ratio of solvents used. The rheological properties of dispersions are strongly influenced by the concentration and surface properties of nanofibers, such as their smooth or porous textures, which allow their modulation. Compared to other commonly used thickeners, such as synthetic polymers and metal soaps, CTA electrospun nanofibers have a much higher oil structuring capacity. This work illustrated the potential of using CTA nanofibers as the foundation for fabricating gel-like dispersions in oil media, and thus exerting hierarchical control of rheological properties through the use of a nanoscale fabrication technique.
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Affiliation(s)
- M. A. Martín-Alfonso
- Chemical Product and Process Technology Research Center (Pro2TecS), Department of Chemical Engineering and Materials Science, University of Huelva, 21071 Huelva, Spain; (M.A.M.-A.); (J.F.R.-V.)
| | - José F. Rubio-Valle
- Chemical Product and Process Technology Research Center (Pro2TecS), Department of Chemical Engineering and Materials Science, University of Huelva, 21071 Huelva, Spain; (M.A.M.-A.); (J.F.R.-V.)
| | - Gethzemani M. Estrada-Villegas
- CONACYT-Centro de Investigación en Química Aplicada, Parque de Innovación e Investigación Tecnológica (PIIT), Apodaca 66628, Mexico;
| | - Margarita Sánchez-Domínguez
- Centro de Investigación en Materiales Avanzados, S.C. (CIMAV), Unidad Monterrey, Alianza Norte 202, Apodaca 66628, Mexico;
| | - José E. Martín-Alfonso
- Chemical Product and Process Technology Research Center (Pro2TecS), Department of Chemical Engineering and Materials Science, University of Huelva, 21071 Huelva, Spain; (M.A.M.-A.); (J.F.R.-V.)
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5
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Liu H, He L, Kuzmanović M, Huang Y, Zhang L, Zhang Y, Zhu Q, Ren Y, Dong Y, Cardon L, Gou M. Advanced Nanomaterials in Medical 3D Printing. SMALL METHODS 2024; 8:e2301121. [PMID: 38009766 DOI: 10.1002/smtd.202301121] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/23/2023] [Revised: 09/22/2023] [Indexed: 11/29/2023]
Abstract
3D printing is now recognized as a significant tool for medical research and clinical practice, leading to the emergence of medical 3D printing technology. It is essential to improve the properties of 3D-printed products to meet the demand for medical use. The core of generating qualified 3D printing products is to develop advanced materials and processes. Taking advantage of nanomaterials with tunable and distinct physical, chemical, and biological properties, integrating nanotechnology into 3D printing creates new opportunities for advancing medical 3D printing field. Recently, some attempts are made to improve medical 3D printing through nanotechnology, providing new insights into developing advanced medical 3D printing technology. With high-resolution 3D printing technology, nano-structures can be directly fabricated for medical applications. Incorporating nanomaterials into the 3D printing material system can improve the properties of the 3D-printed medical products. At the same time, nanomaterials can be used to expand novel medical 3D printing technologies. This review introduced the strategies and progresses of improving medical 3D printing through nanotechnology and discussed challenges in clinical translation.
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Affiliation(s)
- Haofan Liu
- Department of Biotherapy, Cancer Center and State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Liming He
- Department of Biotherapy, Cancer Center and State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Maja Kuzmanović
- College of Polymer Science and Engineering, Sichuan University, Chengdu, 610065, China
| | - Yiting Huang
- Department of Biotherapy, Cancer Center and State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Li Zhang
- Department of Biotherapy, Cancer Center and State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Yi Zhang
- Department of Biotherapy, Cancer Center and State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Qi Zhu
- Department of Biotherapy, Cancer Center and State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Ya Ren
- Huahang Microcreate Technology Co., Ltd, Chengdu, 610042, China
| | - Yinchu Dong
- Department of Biotherapy, Cancer Center and State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, 610041, China
- Chengdu OrganoidMed Medical Laboratory, Chengdu, 610000, China
| | - Ludwig Cardon
- Centre for Polymer and Material Technologies, Department of Materials, Textiles and Chemical Engineering, Faculty of Engineering and Architecture, Ghent University, Ghent, 9159052, Belgium
| | - Maling Gou
- Department of Biotherapy, Cancer Center and State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, 610041, China
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6
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Kamrani A, Nasrabadi MH, Halabian R, Ghorbani M. A biomimetic multi-layer scaffold with collagen and zinc doped bioglass as a skin-regeneration agent in full-thickness injuries and its effects in vitro and in vivo. Int J Biol Macromol 2023; 253:127163. [PMID: 37778589 DOI: 10.1016/j.ijbiomac.2023.127163] [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: 12/20/2022] [Revised: 09/27/2023] [Accepted: 09/28/2023] [Indexed: 10/03/2023]
Abstract
Due to the multilayer structure of skin tissue, the fabrication of a 3-layer scaffold could result in planned dermal regeneration. Herein, polyurethane (PU) and polycaprolactone (PCL), as a function of their mechanical stability and collagen due to its arginine-glycine-aspartic acid sequences, zinc ions because of overcoming the common problems of biological factors were employed. The scaffolds' physical, mechanical, and biological properties were examined by SEM, FTIR, contact angle, mechanical tensile, bacteriocidal efficacy, and hemolysis. Also, after L-929 fibroblast seeding, their biological activity was determined by SEM, DAPI, and MTT assays. Then, the cell-seeded scaffolds were implanted in full-thickness wounds of rats and evaluated by wound closure, histological, and molecular techniques. The in vivo studies showed better wound closure with the composite scaffold containing zinc ions. While its dermal re-organization was retarded in the presence of zinc ions compared to the composite scaffold containing non-doped bioglass. Despite this, the doped composite scaffold indicated better observations with the histological evaluations than the nontreated and bare scaffold groups. Real-time PCR confirmed the higher expression of FGF2 and FGFR genes in rats treated with the zinc-doped composite scaffold. In conclusion, PU/PCL-collagen/PCL-collagen containing the doped or non-doped nanoparticles showed better potential to heal dermal injuries.
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Affiliation(s)
- Asefeh Kamrani
- Department of Biology, Parand Branch, Islamic Azad University, Tehran, Iran
| | | | - Raheleh Halabian
- Applied Microbiology Research Center, Systems Biology and Poisonings Institute, Baqiyatallah University of Medical Sciences, Tehran, Iran
| | - Masoud Ghorbani
- Applied Biotechnoiogy Research Center, Baqiyatallah University of Medical Sciences, Tehran, Iran
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7
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Miętus M, Kolankowski K, Gołofit T, Denis P, Bandzerewicz A, Spychalski M, Mąkosa-Szczygieł M, Pilarek M, Wierzchowski K, Gadomska-Gajadhur A. From Poly(glycerol itaconate) Gels to Novel Nonwoven Materials for Biomedical Applications. Gels 2023; 9:788. [PMID: 37888360 PMCID: PMC10606113 DOI: 10.3390/gels9100788] [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: 09/08/2023] [Revised: 09/19/2023] [Accepted: 09/25/2023] [Indexed: 10/28/2023] Open
Abstract
Electrospinning is a process that has attracted significant interest in recent years. It provides the opportunity to produce nanofibers that mimic the extracellular matrix. As a result, it is possible to use the nonwovens as scaffolds characterized by high cellular adhesion. This work focused on the synthesis of poly(glycerol itaconate) (PGItc) and preparation of nonwovens based on PGItc gels and polylactide. PGItc gels were synthesized by a reaction between itaconic anhydride and glycerol. The use of a mixture of PGItc and PLA allowed us to obtain a material with different properties than with stand-alone polymers. In this study, we present the influence of the chosen ratios of polymers and the OH/COOH ratio in the synthesized PGItc on the properties of the obtained materials. The addition of PGItc results in hydrophilization of the nonwovens' surface without disrupting the high porosity of the fibrous structure. Spectral and thermal analyzes are presented, along with SEM imagining. The preliminary cytotoxicity research showed that nonwovens were non-cytotoxic materials. It also helped to pre-determine the potential application of PGItc + PLA nonwovens as subcutaneous tissue fillers or drug delivery systems.
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Affiliation(s)
- Magdalena Miętus
- Faculty of Chemistry, Warsaw University of Technology, Noakowskiego 3 Street, 00-664 Warsaw, Poland; (M.M.); (K.K.); (T.G.); (A.B.)
| | - Krzysztof Kolankowski
- Faculty of Chemistry, Warsaw University of Technology, Noakowskiego 3 Street, 00-664 Warsaw, Poland; (M.M.); (K.K.); (T.G.); (A.B.)
| | - Tomasz Gołofit
- Faculty of Chemistry, Warsaw University of Technology, Noakowskiego 3 Street, 00-664 Warsaw, Poland; (M.M.); (K.K.); (T.G.); (A.B.)
| | - Piotr Denis
- Laboratory of Polymers and Biomaterials, Institute of Fundamental Technological Research, Polish Academy of Sciences, Pawińskiego 5B Street, 02-106 Warsaw, Poland;
| | - Aleksandra Bandzerewicz
- Faculty of Chemistry, Warsaw University of Technology, Noakowskiego 3 Street, 00-664 Warsaw, Poland; (M.M.); (K.K.); (T.G.); (A.B.)
| | - Maciej Spychalski
- Faculty of Materials Science and Engineering, Warsaw University of Technology, Wołoska 141 Street, 02-507 Warsaw, Poland;
| | - Marcin Mąkosa-Szczygieł
- Department of Chemistry, Faculty of Natural Sciences, Norwegian University of Science and Technology, 7034 Trondheim, Norway;
| | - Maciej Pilarek
- Faculty of Chemical and Process Engineering, Warsaw University of Technology, Waryńskiego 1 Street, 00-645 Warsaw, Poland; (M.P.); (K.W.)
| | - Kamil Wierzchowski
- Faculty of Chemical and Process Engineering, Warsaw University of Technology, Waryńskiego 1 Street, 00-645 Warsaw, Poland; (M.P.); (K.W.)
| | - Agnieszka Gadomska-Gajadhur
- Faculty of Chemistry, Warsaw University of Technology, Noakowskiego 3 Street, 00-664 Warsaw, Poland; (M.M.); (K.K.); (T.G.); (A.B.)
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8
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Afrin H, Geetha Bai R, Kumar R, Ahmad SS, Agarwal SK, Nurunnabi M. Oral delivery of RNAi for cancer therapy. Cancer Metastasis Rev 2023; 42:699-724. [PMID: 36971908 PMCID: PMC10040933 DOI: 10.1007/s10555-023-10099-x] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/14/2022] [Accepted: 03/14/2023] [Indexed: 03/29/2023]
Abstract
Cancer is a major health concern worldwide and is still in a continuous surge of seeking for effective treatments. Since the discovery of RNAi and their mechanism of action, it has shown promises in targeted therapy for various diseases including cancer. The ability of RNAi to selectively silence the carcinogenic gene makes them ideal as cancer therapeutics. Oral delivery is the ideal route of administration of drug administration because of its patients' compliance and convenience. However, orally administered RNAi, for instance, siRNA, must cross various extracellular and intracellular biological barriers before it reaches the site of action. It is very challenging and important to keep the siRNA stable until they reach to the targeted site. Harsh pH, thick mucus layer, and nuclease enzyme prevent siRNA to diffuse through the intestinal wall and thereby induce a therapeutic effect. After entering the cell, siRNA is subjected to lysosomal degradation. Over the years, various approaches have been taken into consideration to overcome these challenges for oral RNAi delivery. Therefore, understanding the challenges and recent development is crucial to offer a novel and advanced approach for oral RNAi delivery. Herein, we have summarized the delivery strategies for oral delivery RNAi and recent advancement towards the preclinical stages.
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Affiliation(s)
- Humayra Afrin
- Environmental Science & Engineering, University of Texas at El Paso, El Paso, TX, 79965, USA
- Department of Pharmaceutical Sciences, School of Pharmacy, University of Texas at El Paso, 1101 N. Campbell St, El Paso, TX, 79902, USA
| | - Renu Geetha Bai
- Department of Pharmaceutical Sciences, School of Pharmacy, University of Texas at El Paso, 1101 N. Campbell St, El Paso, TX, 79902, USA
- Chair of Biosystems Engineering, Institute of Forestry and Engineering, Estonian University of Life Sciences, Kreutzwaldi 56/1, 51006, Tartu, Estonia
| | - Raj Kumar
- Department of Pharmaceutical Sciences, School of Pharmacy, University of Texas at El Paso, 1101 N. Campbell St, El Paso, TX, 79902, USA
| | - Sheikh Shafin Ahmad
- Environmental Science & Engineering, University of Texas at El Paso, El Paso, TX, 79965, USA
- Department of Pharmaceutical Sciences, School of Pharmacy, University of Texas at El Paso, 1101 N. Campbell St, El Paso, TX, 79902, USA
- Aerospace Center (cSETR), University of Texas at El Paso, El Paso, TX, 79965, USA
| | - Sandeep K Agarwal
- Section of Immunology, Allergy and Rheumatology, Department of Medicine, Baylor College of Medicine, Houston, TX, 77030, USA
| | - Md Nurunnabi
- Environmental Science & Engineering, University of Texas at El Paso, El Paso, TX, 79965, USA.
- Department of Pharmaceutical Sciences, School of Pharmacy, University of Texas at El Paso, 1101 N. Campbell St, El Paso, TX, 79902, USA.
- Aerospace Center (cSETR), University of Texas at El Paso, El Paso, TX, 79965, USA.
- Biomedical Engineering, College of Engineering, University of Texas at El Paso, El Paso, TX, 79965, USA.
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9
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Sun Q, Yin S, He Y, Cao Y, Jiang C. Biomaterials and Encapsulation Techniques for Probiotics: Current Status and Future Prospects in Biomedical Applications. NANOMATERIALS (BASEL, SWITZERLAND) 2023; 13:2185. [PMID: 37570503 PMCID: PMC10421492 DOI: 10.3390/nano13152185] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/26/2023] [Revised: 07/25/2023] [Accepted: 07/25/2023] [Indexed: 08/13/2023]
Abstract
Probiotics have garnered significant attention in recent years due to their potential advantages in diverse biomedical applications, such as acting as antimicrobial agents, aiding in tissue repair, and treating diseases. These live bacteria must exist in appropriate quantities and precise locations to exert beneficial effects. However, their viability and activity can be significantly impacted by the surrounding tissue, posing a challenge to maintain their stability in the target location for an extended duration. To counter this, researchers have formulated various strategies that enhance the activity and stability of probiotics by encapsulating them within biomaterials. This approach enables site-specific release, overcoming technical impediments encountered during the processing and application of probiotics. A range of materials can be utilized for encapsulating probiotics, and several methods can be employed for this encapsulation process. This article reviews the recent advancements in probiotics encapsulated within biomaterials, examining the materials, methods, and effects of encapsulation. It also provides an overview of the hurdles faced by currently available biomaterial-based probiotic capsules and suggests potential future research directions in this field. Despite the progress achieved to date, numerous challenges persist, such as the necessity for developing efficient, reproducible encapsulation methods that maintain the viability and activity of probiotics. Furthermore, there is a need to design more robust and targeted delivery vehicles.
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Affiliation(s)
- Qiqi Sun
- Jinan Microecological Biomedicine Shandong Laboratory, Shounuo City Light West Block, Jinan 250117, China; (Q.S.); (S.Y.)
| | - Sheng Yin
- Jinan Microecological Biomedicine Shandong Laboratory, Shounuo City Light West Block, Jinan 250117, China; (Q.S.); (S.Y.)
- Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing 210093, China
| | - Yingxu He
- School of Computing, National University of Singapore, Singapore 119077, Singapore;
| | - Yi Cao
- Jinan Microecological Biomedicine Shandong Laboratory, Shounuo City Light West Block, Jinan 250117, China; (Q.S.); (S.Y.)
- Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing 210093, China
| | - Chunping Jiang
- Jinan Microecological Biomedicine Shandong Laboratory, Shounuo City Light West Block, Jinan 250117, China; (Q.S.); (S.Y.)
- Department of Hepatobiliary Surgery, Affiliated Drum Tower Hospital, Medical School of Nanjing University, Nanjing 210000, China
- State Key Laboratory of Pharmaceutical Biotechnology, Jiangsu Key Laboratory of Molecular Medicine, Medical School of Nanjing University, Nanjing 210000, China
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10
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Sukum P, Punyodom W, Dangtip S, Poramapijitwat P, Daranarong D, Jenvoraphot T, Nisoa M, Kuensaen C, Boonyawan D. Argon Plasma Jet-Treated Poly (Vinyl Alcohol)/Chitosan and PEG 400 Plus Mangifera indica Leaf Extract for Electrospun Nanofiber Membranes: In Vitro Study. Polymers (Basel) 2023; 15:polym15112559. [PMID: 37299357 DOI: 10.3390/polym15112559] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2023] [Revised: 05/30/2023] [Accepted: 05/31/2023] [Indexed: 06/12/2023] Open
Abstract
The wound-healing process can be disrupted at any stage due to various internal and external factors. The inflammatory stage of the process plays a vital role in determining the outcome of the wound. Prolonged inflammation due to bacterial infection can lead to tissue damage, slow healing, and complications. Wound dressings made using materials such as poly (vinyl alcohol) (PVA), chitosan (CS), and poly (ethylene glycol) (PEG) with Mangifera extract (ME) added can help reduce infection and inflammation, creating a conducive environment for faster healing. However, creating the electrospun membrane is challenging due to balancing various forces such as rheological behavior, conductivity, and surface tension. To improve the electrospinnability of the polymer solution, an atmospheric pressure plasma jet can induce chemistry in the solution and increase the polarity of the solvent. Thus, this research aims to investigate the effect of plasma treatment on PVA, CS, and PEG polymer solutions and fabricate ME wound dressing via electrospinning. The results indicated that increasing plasma treatment time increased the viscosity of the polymer solution, from 269 mPa∙to 331 mPa∙s after 60 min, and led to an increase in conductivity from 298 mS/cm to 330 mS/cm and an increase in nanofiber diameter from 90 ± 40 nm to 109 ± 49 nm. Incorporating 1% mangiferin extract into an electrospun nanofiber membrane has been found to increase the inhibition rates of Escherichia coli and Staphylococcus aureus by 29.2% and 61.2%, respectively. Additionally, the fiber diameter decreases when compared with the electrospun nanofiber membrane without ME. Our findings demonstrate that electrospun nanofiber membrane with ME has anti-infective properties and can promote faster wound healing.
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Affiliation(s)
- Pongphun Sukum
- Doctor of Philosophy Program in Nanoscience and Nanotechnology (International Program/Interdisciplinary), Faculty of Science, Chiang Mai University, Chiang Mai 50200, Thailand
- Center of Excellence in Materials Science and Technology, Chiang Mai University, Chiang Mai 50200, Thailand
| | - Winita Punyodom
- Department of Chemistry, Faculty of Science, Chiang Mai University, Chiang Mai 50200, Thailand
- Department of Chemistry and Center for Innovation in Chemistry, Faculty of Science, Chiang Mai University, Chiang Mai 50200, Thailand
| | - Somsak Dangtip
- Thailand Institute of Nuclear Technology (Public Organization), Nakhon Nayok 26120, Thailand
| | - Pipath Poramapijitwat
- Doctor of Philosophy Program in Nanoscience and Nanotechnology (International Program/Interdisciplinary), Faculty of Science, Chiang Mai University, Chiang Mai 50200, Thailand
- Center of Excellence in Materials Science and Technology, Chiang Mai University, Chiang Mai 50200, Thailand
| | - Donraporn Daranarong
- Science and Technology Research Institute, Chiang Mai University, Chiang Mai 50200, Thailand
| | - Thannaphat Jenvoraphot
- Bioplastic Production Laboratory for Medical Application, Faculty of Science, Chiang Mai University, Chiang Mai 50200, Thailand
| | - Mudtorlep Nisoa
- Center of Excellence in Plasma Science and Electromagnetic Waves, Walailak University, Nakhon Si Thammarat 80160, Thailand
| | - Chakkrapong Kuensaen
- Research Unit for Bio-Based Innovation, International College of Digital Innovation, Chiang Mai University, Chiang Mai 50200, Thailand
| | - Dheerawan Boonyawan
- Plasma and Beam Physics Research Facility, Department of Physics and Materials Science, Faculty of Science, Chiang Mai University, Chiang Mai 50200, Thailand
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11
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Tomar Y, Pandit N, Priya S, Singhvi G. Evolving Trends in Nanofibers for Topical Delivery of Therapeutics in Skin Disorders. ACS OMEGA 2023; 8:18340-18357. [PMID: 37273582 PMCID: PMC10233693 DOI: 10.1021/acsomega.3c00924] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/12/2023] [Accepted: 05/11/2023] [Indexed: 06/06/2023]
Abstract
Nanotechnology has yielded nanostructure-based drug delivery approaches, among which nanofibers have been explored and researched for the potential topical delivery of therapeutics. Nanofibers are filaments or thread-like structures in the nanometer size range that are fabricated using various polymers, such as natural or synthetic polymers or their combination. The size or diameter of the nanofibers depends upon the polymers, the techniques of preparation, and the design specification. The four major processing techniques, phase separation, self-assembly, template synthesis, and electrospinning, are most commonly used for the fabrication of nanofibers. Nanofibers have a unique structure that needs a multimethod approach to study their morphology and characterization parameters. They are gaining attention as drug delivery carriers, and the substantially vast surface area of the skin makes it a potentially promising strategy for topical drug products for various skin disorders such as psoriasis, skin cancers, skin wounds, bacterial and fungal infections, etc. However, the large-scale production of nanofibers with desired properties remains challenging, as the widely used electrospinning processes have certain limitations, such as poor yield, use of high voltage, and difficulty in achieving in situ nanofiber deposition on various substrates. This review highlights the insights into fabrication strategies, applications, recent clinical trials, and patents of nanofibers for different skin disorders in detail. Additionally, it discusses case studies of its effective utilization in the treatment of various skin disorders for a better understanding for readers.
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Affiliation(s)
- Yashika Tomar
- Industrial
Research Laboratory, Department of Pharmacy, Birla Institute of Technology and Science (BITS) - Pilani, Pilani Campus, Rajasthan 333031, India
| | - Nisha Pandit
- Industrial
Research Laboratory, Department of Pharmacy, Birla Institute of Technology and Science (BITS) - Pilani, Pilani Campus, Rajasthan 333031, India
| | - Sakshi Priya
- Industrial
Research Laboratory, Department of Pharmacy, Birla Institute of Technology and Science (BITS) - Pilani, Pilani Campus, Rajasthan 333031, India
| | - Gautam Singhvi
- Industrial
Research Laboratory, Department of Pharmacy, Birla Institute of Technology and Science (BITS) - Pilani, Pilani Campus, Rajasthan 333031, India
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12
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Wang B, Wang X, Kenneth A, Drena A, Pacheco A, Kalvin L, Ibrahim ES, Rossi PJ, Thatcher K, Lincoln J. Developing small-diameter vascular grafts with human amniotic membrane: long-term evaluation of transplantation outcomes in a small animal model. Biofabrication 2023; 15. [PMID: 36626826 DOI: 10.1088/1758-5090/acb1da] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2022] [Accepted: 01/10/2023] [Indexed: 01/11/2023]
Abstract
While current clinical utilization of large vascular grafts for vascular transplantation is encouraging, tissue engineering of small grafts still faces numerous challenges. This study aims to investigate the feasibility of constructing a small vascular graft from decellularized amniotic membranes (DAMs). DAMs were rolled around a catheter and each of the resulting grafts was crosslinked with (a) 0.1% glutaraldehyde; (b) 1-ethyl-3-(3-dimethylaminopropyl) crbodiimidehydro-chloride (20 mM)-N-hydroxy-succinimide (10 mM); (c) 0.5% genipin; and (d) no-crosslinking, respectively. Our results demonstrated the feasibility of using a rolling technique followed by lyophilization to transform DAM into a vessel-like structure. The genipin-crosslinked DAM graft showed an improved integrated structure, prolonged stability, proper mechanical property, and superior biocompatibility. After transplantation in rat abdominal aorta, the genipin-crosslinked DAM graft remained patent up to 16 months, with both endothelial and smooth muscle cell regeneration, which suggests that the genipin-crosslinked DAM graft has great potential to beimplementedas a small tissue engineered graft for futurevasculartransplantation.
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Affiliation(s)
- Bo Wang
- Joint Department of Biomedical Engineering, Marquette University and the Medical College of Wisconsin, Milwaukee, WI 53226, United States of America
| | - Xiaolong Wang
- Joint Department of Biomedical Engineering, Marquette University and the Medical College of Wisconsin, Milwaukee, WI 53226, United States of America
| | - Allen Kenneth
- Biomedical Resource Center, Medical College of Wisconsin, Milwaukee, WI 53226, United States of America
| | - Alexander Drena
- Department of Chemistry and Biochemistry, University of Wisconsin-Milwaukee, Milwaukee, WI 53211, United States of America
| | - Arsenio Pacheco
- Department of Chemistry and Biochemistry, University of Wisconsin-Milwaukee, Milwaukee, WI 53211, United States of America
| | - Lindsey Kalvin
- Department of Medicine, Division of Cardiovascular Medicine, Medical College of Wisconsin, Milwaukee, WI 53226, United States of America
| | - Ei-Sayed Ibrahim
- Department of Radiology, Medical College of Wisconsin, Milwaukee, WI 53226, United States of America
| | - Peter J Rossi
- Heart and Vascular Center, Froedtert Hospital, Milwaukee, WI 53226, United States of America
| | - Kaitlyn Thatcher
- Department of Pediatrics, Medical College of Wisconsin, Milwaukee, WI 53226, United States of America
| | - Joy Lincoln
- Department of Pediatrics, Medical College of Wisconsin, Milwaukee, WI 53226, United States of America
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13
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Shadman-Manesh V, Gholipour-Kanani A, Najmoddin N, Rabbani S. Preclinical evaluation of the polycaprolactone-polyethylene glycol electrospun nanofibers containing egg-yolk oil for acceleration of full thickness burns healing. Sci Rep 2023; 13:919. [PMID: 36650249 PMCID: PMC9845205 DOI: 10.1038/s41598-023-28065-6] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2022] [Accepted: 01/12/2023] [Indexed: 01/19/2023] Open
Abstract
Considering the great potential of egg yolk oil (EYO) in management of burn wounds and superb biological properties of polycaprolactone (PCL) and polyethylene glycol (PEG), hereby, a PCL-PEG-EYO scaffold was developed by electrospinning method for burn healing. The physico-chemical characterizations were performed using SEM, FTIR and contact angle tests. The biological properties of the fabricated scaffolds were evaluated by antibacterial test, in vitro cell culturing, MTT assay and in vivo experiments. The SEM images of PCL-PEG-EYO nanofibers demonstrated a uniform bead-free morphology with 191 ± 61 nm diameter. The fabricated scaffold revealed hydrophilicity with the water contact angel of 77°. No cytotoxicity was observed up to 7 days after cell culturing onto the PCL-PEG-EYO nanofibrous surface. The presence of EYO in the PCL-PEG-EYO scaffold meaningfully improved the cell viability, proliferation and attachment compared to PCL-PEG scaffold. Moreover, the PCL-PEG-EYO scaffolds demonstrated antibacterial activity against Staphylococcus aureus and Pseudomonas aeruginosa bacteria strain. Finally, a statistically significant enhancement in wound closure, re-epithelialization, angiogenesis and collagen synthesis was observed at the end of 21-day treatment period using PCL-PEG-EYO nanofibrous scaffold. Overall, the PCL-PEG-EYO nanofibrous scaffolds demonstrated a great potential in management of full thickness burn wounds in vivo.
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Affiliation(s)
- Vida Shadman-Manesh
- Department of Biomedical Engineering, Science and Research Branch, Islamic Azad University, Tehran, Iran
| | - Adeleh Gholipour-Kanani
- Department of Textile Engineering, Science and Research Branch, Islamic Azad University, Tehran, 1477893855, Iran.
| | - Najmeh Najmoddin
- Department of Biomedical Engineering, Science and Research Branch, Islamic Azad University, Tehran, Iran
| | - Shahram Rabbani
- Research Center of Advanced Technologies in Cardiovascular Medicine, Cardiovascular Diseases Research Institute, Tehran University of Medical Science, Tehran, Iran
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14
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Gu Z, Fan S, Kundu SC, Yao X, Zhang Y. Fiber diameters and parallel patterns: proliferation and osteogenesis of stem cells. Regen Biomater 2023; 10:rbad001. [PMID: 36726609 PMCID: PMC9887345 DOI: 10.1093/rb/rbad001] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2022] [Revised: 12/20/2022] [Accepted: 01/05/2023] [Indexed: 01/13/2023] Open
Abstract
Due to the innate extracellular matrix mimicking features, fibrous materials exhibited great application potential in biomedicine. In developing excellent fibrous biomaterial, it is essential to reveal the corresponding inherent fiber features' effects on cell behaviors. Due to the inevitable 'interference' cell adhesions to the background or between adjacent fibers, it is difficult to precisely reveal the inherent fiber diameter effect on cell behaviors by using a traditional fiber mat. A single-layer and parallel-arranged polycaprolactone fiber pattern platform with an excellent non-fouling background is designed and constructed herein. In this unique material platform, the 'interference' cell adhesions through interspace between fibers to the environment could be effectively ruled out by the non-fouling background. The 'interference' cell adhesions between adjacent fibers could also be excluded from the sparsely arranged (SA) fiber patterns. The influence of fiber diameter on stem cell behaviors is precisely and comprehensively investigated based on eliminating the undesired 'interference' cell adhesions in a controllable way. On the SA fiber patterns, small diameter fiber (SA-D1, D1 means 1 μm in diameter) may seriously restrict cell proliferation and osteogenesis when compared to the middle (SA-D8) and large (SA-D56) ones and SA-D8 shows the optimal osteogenesis enhancement effect. At the same time, the cells present similar proliferation ability and even the highest osteogenic ability on the densely arranged (DA) fiber patterns with small diameter fiber (DA-D1) when compared to the middle (DA-D8) and large (DA-D56) ones. The 'interference' cell adhesion between adjacent fibers under dense fiber arrangement may be the main reason for inducing these different cell behavior trends along with fiber diameters. Related results and comparisons have illustrated the effects of fiber diameter on stem cell behaviors more precisely and objectively, thus providing valuable reference and guidance for developing effective fibrous biomaterials.
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Affiliation(s)
- Zhanghong Gu
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, Shanghai Engineering Research Center of Nano-Biomaterials and Regenerative Medicine, College of Materials Science and Engineering, Donghua University, Shanghai 201620, People’s Republic of China
| | - Suna Fan
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, Shanghai Engineering Research Center of Nano-Biomaterials and Regenerative Medicine, College of Materials Science and Engineering, Donghua University, Shanghai 201620, People’s Republic of China
| | - Subhas C Kundu
- I3Bs-Research Institute on Biomaterials, Biodegradables and Biomimetics, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, University of Minho, Barco, Guimarães 4805-017, Portugal
| | - Xiang Yao
- Correspondence address. E-mail: (X.Y.); (Y.Z.)
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15
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Indrakumar J, Sankar S, Madhyastha H, Muthukaliannan GK. Progressive Application of Marine Biomaterials in Targeted Cancer Nanotherapeutics. Curr Pharm Des 2022; 28:3337-3350. [PMID: 35466870 DOI: 10.2174/1381612828666220422091611] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2021] [Revised: 12/15/2021] [Accepted: 01/04/2022] [Indexed: 01/28/2023]
Abstract
The marine microenvironment harbors many unique species of organisms that produce a plethora of compounds that help mankind cure a wide range of diseases. The diversity of products from the ocean bed serves as potentially healing materials and inert vehicles carrying the drug of interest to the target site. Several composites still lay undiscovered under the blue canopy, which can provide treatment for untreated diseases that keep haunting the earth periodically. Cancer is one such disease that has been of interest to several eminent scientists worldwide due to the heterogenic complexity involved in the disease's pathophysiology. Due to extensive globalization and environmental changes, cancer has become a lifestyle disease continuously increasing exponentially in the current decade. This ailment requires a definite remedy that treats by causing minimal damage to the body's normal cells. The application of nanotechnology in medicine has opened up new avenues of research in targeted therapeutics due to their highly malleable characteristics. Marine waters contain an immense ionic environment that succors the production of distinct nanomaterials with exceptional character, yielding highly flexible molecules to modify, thus facilitating the engineering of targeted biomolecules. This review provides a short insight into an array of marine biomolecules that can be probed into cancer nanotherapeutics sparing healthy cells.
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Affiliation(s)
- Janani Indrakumar
- School of Biosciences and Technology, Vellore Institute of Technology, Vellore 632014, Tamil Nadu, India
| | - Srivarshini Sankar
- School of Biosciences and Technology, Vellore Institute of Technology, Vellore 632014, Tamil Nadu, India
| | - Harishkumar Madhyastha
- Department of Medical Sciences, Division of Cardio-Vascular Physiology, Faculty of Medicine, University of Miyazaki, Miyazaki, Japan
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16
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Chemical modification, electrospinning and biological activities of pluronic F68. Polym Bull (Berl) 2022. [DOI: 10.1007/s00289-022-04356-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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17
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The Effect of Solvent and Pressure on Polycaprolactone Solutions for Particle and Fibre Formation. Eur Polym J 2022. [DOI: 10.1016/j.eurpolymj.2022.111300] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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18
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Lima LF, Sousa MGDC, Rodrigues GR, de Oliveira KBS, Pereira AM, da Costa A, Machado R, Franco OL, Dias SC. Elastin-like Polypeptides in Development of Nanomaterials for Application in the Medical Field. FRONTIERS IN NANOTECHNOLOGY 2022. [DOI: 10.3389/fnano.2022.874790] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023] Open
Abstract
Elastin-like polypeptides (ELPs) are biopolymers formed by amino acid sequences derived from tropoelastin. These biomolecules can be soluble below critical temperatures, forming aggregates at higher temperatures, which makes them an interesting source for the design of different nanobiomaterials. These nanobiomaterials can be obtained from heterologous expression in several organisms such as bacteria, fungi, and plants. Thanks to the many advantages of ELPs, they have been used in the biomedical field to develop nanoparticles, nanofibers, and nanocomposites. These nanostructures can be used in multiple applications such as drug delivery systems, treatments of type 2 diabetes, cardiovascular diseases, tissue repair, and cancer therapy. Thus, this review aims to shed some light on the main advances in elastin-like-based nanomaterials, their possible expression forms, and importance to the medical field.
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Nano-hydroxyapatite-incorporated polycaprolactone nanofibrous scaffold as a dentin tissue engineering-based strategy for vital pulp therapy. Dent Mater 2022; 38:960-977. [PMID: 35331551 DOI: 10.1016/j.dental.2022.03.006] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2021] [Revised: 01/14/2022] [Accepted: 03/12/2022] [Indexed: 01/17/2023]
Abstract
OBJECTIVES Targeting a tissue engineering-based vital pulp therapy (VPT), this study investigated the incorporation of nano-hydroxyapatite (nHA) into polycaprolactone (PCL) nanofibers, and the metabolism of human dental pulp cells (HDPCs) seeded on the scaffolds. METHODS PCL-based solutions (10% w/v) containing nHA (0 - control; 0.5; 1.0; or 2.0% w/v) were electrospun into nanofibrous scaffolds. The scaffolds were characterized for morphology and composition (MEV/EDS), solubility, the release of calcium/phosphate (C/P), and modulation of medium pH. Then, HDPCs were seeded on the scaffolds and evaluated for cell viability (alamarBlue and live/dead), adhesion and spreading (F-actin), total protein (TP; Lowry), alkaline phosphatase activity (ALP; thymolphthalein assay), expression of odontogenic genes (RT-qPCR), and formation of a mineralized matrix (Alizarin Red). Data were analyzed with ANOVA and post-hocs (α = 5%). RESULTS Higher nHA concentrations roughened fiber surfaces, whereas PCL+ 2%nHA increased the interfibrillar spaces. PCL+ 1%nHA or PCL+ 2%nHA significantly released more C/P but the medium pH was maintained below 8.0. HDPCs viability was not affected by nHA, while cell adhesion/spreading was favored, especially for PCL+ 2%nHA. Higher protein content and ALP activity were seen for scaffolds incorporated with nHA, after 21 days. PCL+ 1%nHA and PCL+ 2%nHA upregulated the expression of DSPP and DMP1 in 14 days, and COL1A1, ALPL, and DMP1 in 21 days. The formation of a mineralized matrix was nHA concentration-dependent, and it was about 9 × higher for PCL+ 2%nHA. SIGNIFICANCE nHA-incorporated PCL nanofibrous scaffolds are cytocompatible and can stimulate the adhesion and odontogenic potential of HDPCs. PCL+ 2%nHA formulation is a bioactive tissue engineering-based cell-homing strategy for VPT.
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20
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Hamnca S, Chamier J, Grant S, Glass T, Iwuoha E, Baker P. Spectroscopy, Morphology, and Electrochemistry of Electrospun Polyamic Acid Nanofibers. Front Chem 2022; 9:782813. [PMID: 35252124 PMCID: PMC8889449 DOI: 10.3389/fchem.2021.782813] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2021] [Accepted: 12/16/2021] [Indexed: 11/30/2022] Open
Abstract
Polyamic acid (PAA) nanofibers produced by using the electrospinning method were fully characterized in terms of morphology and spectroscopy. A PAA nanofiber–modified screen-printed carbon electrode was applied to the detection of selected sulfonamides by following an electroanalytical protocol. The polyamic acid (PAA) nanofibers were characterized using Fourier transform infrared (FTIR) spectroscopy to study the integrity of polyamic acid functional groups as nanofibers by comparing them to chemically synthesized polyamic acid. A scanning electron microscope (SEM) was used to confirm the morphology of the produced nanofibers and 3D arrangement at the electrode interface. The Brunauer–Emmett–Teller (BET) method was used to determine the surface area of the nanofibers. Atomic force microscopy (AFM) was used to study the porosity and surface roughness of the nanofibers. Electrochemical evaluation based on diffusion-controlled kinetics was applied to determine the number of electrons transferred in the system, the surface concentration of the deposited PAA thin film (2.14 × 10−6 mol/cm2), and the diffusion coefficient (De) for the PAA nanofiber–modified screen-printed carbon electrode (9.43 × 10−7 cm−2/s). The reported LODs for sulfadiazine and sulfamethazine detection are consistent with requirements for trace-level monitoring by early warning diagnostic systems.
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Affiliation(s)
- Siyabulela Hamnca
- SensorLab, Chemistry Department, University of the Western Cape, Bellville, South Africa
- *Correspondence: Siyabulela Hamnca, ; Priscilla Baker,
| | - Jessica Chamier
- HySA Catalysis, Department of Chemical Engineering, University of Cape Town, Rondebosch, Cape Town, South Africa
| | - Sheila Grant
- Chemistry Department, University of Missouri, Columbia, MO, United states
| | - Timothy Glass
- Chemistry Department, University of Missouri, Columbia, MO, United states
| | - Emmanuel Iwuoha
- SensorLab, Chemistry Department, University of the Western Cape, Bellville, South Africa
| | - Priscilla Baker
- SensorLab, Chemistry Department, University of the Western Cape, Bellville, South Africa
- *Correspondence: Siyabulela Hamnca, ; Priscilla Baker,
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21
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Sharma D, Saha S, Satapathy BK. Recent advances in polymer scaffolds for biomedical applications. JOURNAL OF BIOMATERIALS SCIENCE-POLYMER EDITION 2021; 33:342-408. [PMID: 34606739 DOI: 10.1080/09205063.2021.1989569] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
The review provides insights into current advancements in electrospinning-assisted manufacturing for optimally designing biomedical devices for their prospective applications in tissue engineering, wound healing, drug delivery, sensing, and enzyme immobilization, and others. Further, the evolution of electrospinning-based hybrid biomedical devices using a combined approach of 3 D printing and/or film casting/molding, to design dimensionally stable membranes/micro-nanofibrous assemblies/patches/porous surfaces, etc. is reported. The influence of various electrospinning parameters, polymeric material, testing environment, and other allied factors on the morphological and physico-mechanical properties of electrospun (nano-/micro-fibrous) mats (EMs) and fibrous assemblies have been compiled and critically discussed. The spectrum of operational research and statistical approaches that are now being adopted for efficient optimization of electrospinning process parameters so as to obtain the desired response (physical and structural attributes) has prospectively been looked into. Further, the present review summarizes some current limitations and future perspectives for modeling architecturally novel hybrid 3 D/selectively textured structural assemblies, such as biocompatible, non-toxic, and bioresorbable mats/scaffolds/membranes/patches with apt mechanical stability, as biological substrates for various regenerative and non-regenerative therapeutic devices.
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Affiliation(s)
- Deepika Sharma
- Department of Materials Science and Engineering, Indian Institute of Technology Delhi, New Delhi, India
| | - Sampa Saha
- Department of Materials Science and Engineering, Indian Institute of Technology Delhi, New Delhi, India
| | - Bhabani K Satapathy
- Department of Materials Science and Engineering, Indian Institute of Technology Delhi, New Delhi, India
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22
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Photocatalytic Crystalline and Amorphous TiO 2 Nanotubes Prepared by Electrospinning and Atomic Layer Deposition. Molecules 2021; 26:molecules26195917. [PMID: 34641462 PMCID: PMC8512086 DOI: 10.3390/molecules26195917] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2021] [Revised: 09/17/2021] [Accepted: 09/18/2021] [Indexed: 11/17/2022] Open
Abstract
In this work core/shell composite polymer/TiO2 nanofibers and from those TiO2 nanotubes were prepared. First, poly(vinyl alcohol) (PVA) and poly(vinylpyrrolidone) (PVP) fibers were synthetized by electrospinning. They were covered with a 100 nm thick amorphous TiO2 layer by atomic layer deposition at 50 °C. Later the polymer core was removed by two different methods: dissolution and annealing. In the case of dissolution in water, the as-prepared TiO2 nanotubes remained amorphous, while when annealing was used to remove the polymers, the TiO2 crystallized in anatase form. Due to this, the properties of amorphous and crystalline TiO2 nanotubes with exactly the same structure and morphology could be compared. The samples were investigated by SEM-EDX, ATR-IR, UV-Vis, XRD and TG/DTA-MS. Finally, the photocatalytic properties of the TiO2 nanotubes were studied by decomposing methyl-orange dye under UV light. According to the results, crystalline anatase TiO2 nanotubes reached the photocatalytic performance of P25, while amorphous TiO2 nanotubes had observable photocatalytic activity.
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23
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Sipos E, Juhasz A, Zrinyi M. Characteristic load-elongation behavior of weak electrospun fiber texture. J Mol Liq 2021. [DOI: 10.1016/j.molliq.2021.115459] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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Li J, Liu X, Sun H, Wang L, Zhang J, Deng L, Ma T. An Optical Fiber Sensor Coated with Electrospinning Polyvinyl Alcohol/Carbon Nanotubes Composite Film. SENSORS 2020; 20:s20236996. [PMID: 33297437 PMCID: PMC7731010 DOI: 10.3390/s20236996] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/14/2020] [Revised: 12/03/2020] [Accepted: 12/03/2020] [Indexed: 12/28/2022]
Abstract
A fiber-optics tapered sensor that is covered by an electrospinning polyvinyl alcohol (PVA) nanofiber film, is demonstrated to measure humidity and temperature simultaneously. A section multi-mode fiber (MMF) was sandwiched between two leading-in and out single mode fibers (SMFs), which was further tapered down to 29 μm to promote the humidity sensitivity of the sensor. A thin layer of electrospinning PVA nanofiber film was uniformly coated on the MMF taper region by electrospinning technology. In order to promote the humidity sensitivity and mechanical strength of electrospinning nanofibers, the carbon nanotubes (CNTs) were mixed into PVA to formed PVA/CNTs composite nanofiber film. A Fiber Bragg Grating (FBG) was cascaded with the humidity sensing fiber to monitor the ambient temperature simultaneously. The addition of CNTs effectively eliminated the cracks on the electrospinning nanofiber and made it more uniform and smoother. As experimental results show, the humidity sensitivity of the sensor with PVA/CNTs film was 0.0484 dB/%RH, an improvement of 31.16% compared to that of the sensor with PVA film, for which sensitivity is 0.0369 dB/%RH. The nanofiber humidity-sensitive film constructed using electrospinning had a satisfactory humidity response, special 3D structure and extensive application prospect.
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Affiliation(s)
- Jinze Li
- School of Physics and Optoelectronic Engineering, Xidian University, Xi’an 710071, China; (J.L.); (X.L.); (J.Z.); (L.D.); (T.M.)
| | - Xin Liu
- School of Physics and Optoelectronic Engineering, Xidian University, Xi’an 710071, China; (J.L.); (X.L.); (J.Z.); (L.D.); (T.M.)
| | - Hao Sun
- School of Physics and Optoelectronic Engineering, Xidian University, Xi’an 710071, China; (J.L.); (X.L.); (J.Z.); (L.D.); (T.M.)
- Correspondence:
| | - Liming Wang
- Wide Bandgap Semiconductor Technology Disciplines State Key Laboratory, School of Microelectronics, Xidian University, Xi’an 710071, China;
| | - Jianqi Zhang
- School of Physics and Optoelectronic Engineering, Xidian University, Xi’an 710071, China; (J.L.); (X.L.); (J.Z.); (L.D.); (T.M.)
| | - Li Deng
- School of Physics and Optoelectronic Engineering, Xidian University, Xi’an 710071, China; (J.L.); (X.L.); (J.Z.); (L.D.); (T.M.)
| | - Tianhong Ma
- School of Physics and Optoelectronic Engineering, Xidian University, Xi’an 710071, China; (J.L.); (X.L.); (J.Z.); (L.D.); (T.M.)
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Pérez-González GL, Villarreal-Gómez LJ, Olivas-Sarabia A, Valdez R, Cornejo-Bravo JM. Development, characterization, and in vitro assessment of multilayer mucoadhesive system containing dexamethasone sodium phosphate. INT J POLYM MATER PO 2020. [DOI: 10.1080/00914037.2020.1798433] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Affiliation(s)
- Graciela Lizeth Pérez-González
- Facultad de Ciencias de la Ingeniería y Tecnología, Universidad Autónoma de Baja California, Unidad Valle de las Palmas, Tijuana, México
- Facultad de Ciencias Químicas e Ingeniería, Universidad Autónoma de Baja California, Calzada Universidad 14418 Parque Industrial Internacional, Tijuana, México
| | - Luis Jesús Villarreal-Gómez
- Facultad de Ciencias de la Ingeniería y Tecnología, Universidad Autónoma de Baja California, Unidad Valle de las Palmas, Tijuana, México
- Facultad de Ciencias Químicas e Ingeniería, Universidad Autónoma de Baja California, Calzada Universidad 14418 Parque Industrial Internacional, Tijuana, México
| | - Amelia Olivas-Sarabia
- Centro de Nanociencias y Nanotecnología, Universidad Autónoma de México, Ensenada, México
| | - Ricardo Valdez
- Centro de Nanociencias y Nanotecnología, Universidad Autónoma de México, Ensenada, México
| | - José Manuel Cornejo-Bravo
- Facultad de Ciencias Químicas e Ingeniería, Universidad Autónoma de Baja California, Calzada Universidad 14418 Parque Industrial Internacional, Tijuana, México
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Keirouz A, Chung M, Kwon J, Fortunato G, Radacsi N. 2D and 3D electrospinning technologies for the fabrication of nanofibrous scaffolds for skin tissue engineering: A review. WILEY INTERDISCIPLINARY REVIEWS-NANOMEDICINE AND NANOBIOTECHNOLOGY 2020; 12:e1626. [DOI: 10.1002/wnan.1626] [Citation(s) in RCA: 67] [Impact Index Per Article: 16.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/10/2019] [Revised: 02/13/2020] [Accepted: 02/14/2020] [Indexed: 12/11/2022]
Affiliation(s)
- Antonios Keirouz
- School of Engineering, Institute for Materials and Processes The University of Edinburgh Edinburgh UK
- Empa, Swiss Federal Laboratories for Materials Science and Technology Laboratory for Biomimetic Membranes and Textiles St. Gallen Switzerland
| | - Michael Chung
- School of Engineering, Institute for Materials and Processes The University of Edinburgh Edinburgh UK
- Empa, Swiss Federal Laboratories for Materials Science and Technology Laboratory for Biomimetic Membranes and Textiles St. Gallen Switzerland
| | - Jaehoon Kwon
- School of Engineering, Institute for Materials and Processes The University of Edinburgh Edinburgh UK
| | - Giuseppino Fortunato
- Empa, Swiss Federal Laboratories for Materials Science and Technology Laboratory for Biomimetic Membranes and Textiles St. Gallen Switzerland
| | - Norbert Radacsi
- School of Engineering, Institute for Materials and Processes The University of Edinburgh Edinburgh UK
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Tao F, Cheng Y, Shi X, Zheng H, Du Y, Xiang W, Deng H. Applications of chitin and chitosan nanofibers in bone regenerative engineering. Carbohydr Polym 2019; 230:115658. [PMID: 31887899 DOI: 10.1016/j.carbpol.2019.115658] [Citation(s) in RCA: 161] [Impact Index Per Article: 32.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2019] [Revised: 10/30/2019] [Accepted: 11/22/2019] [Indexed: 12/21/2022]
Abstract
Promoting bone regeneration and repairing defects are urgent and critical challenges in orthopedic clinical practice. Research on bone substitute biomaterials is essential for improving the treatment strategies for bone regeneration. Chitin and its derivative, chitosan, are among the most abundant natural biomaterials and widely found in the shells of crustaceans. Chitin and chitosan are non-toxic, antibacterial, biocompatible, degradable, and have attracted significant attention in bone substitute biomaterials. Chitin/chitosan nanofibers and nanostructured scaffolds have large surface area to volume ratios and high porosities. These scaffolds can be fabricated by electrospinning, thermally induced phase separation and self-assembly, and are widely used in biomedical applications such as biological scaffolds, drug delivery, bacterial inhibition, and wound dressing. Recently, some chitin/chitosan-based nanofibrous scaffolds have been found structurally similar to bone's extracellular matrix and can assist in bone regeneration. This review outlines the biomedical applications and biological properties of chitin/chitosan-based nanofibrous scaffolds in bone tissue engineering.
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Affiliation(s)
- Fenghua Tao
- Department of Orthopedics, Renmin Hospital of Wuhan University, Wuhan University, Wuhan, 430060, China; Hubei International Scientific and Technological Cooperation Base of Sustainable Resource and Energy, Hubei Key Laboratory of Biomass Resource Chemistry and Environmental Biotechnology, School of Resource and Environmental Science, Wuhan University, Wuhan, 430079, China.
| | - Yanxiang Cheng
- Department of Obstetrics and Gynecology, Renmin Hospital of Wuhan University, Wuhan, Hubei, 430060, China.
| | - Xiaowen Shi
- Hubei International Scientific and Technological Cooperation Base of Sustainable Resource and Energy, Hubei Key Laboratory of Biomass Resource Chemistry and Environmental Biotechnology, School of Resource and Environmental Science, Wuhan University, Wuhan, 430079, China.
| | - Huifeng Zheng
- Department of Orthopedics, Renmin Hospital of Wuhan University, Wuhan University, Wuhan, 430060, China.
| | - Yumin Du
- Hubei International Scientific and Technological Cooperation Base of Sustainable Resource and Energy, Hubei Key Laboratory of Biomass Resource Chemistry and Environmental Biotechnology, School of Resource and Environmental Science, Wuhan University, Wuhan, 430079, China.
| | - Wei Xiang
- Department of Orthopedics, Renmin Hospital of Wuhan University, Wuhan University, Wuhan, 430060, China; Hubei International Scientific and Technological Cooperation Base of Sustainable Resource and Energy, Hubei Key Laboratory of Biomass Resource Chemistry and Environmental Biotechnology, School of Resource and Environmental Science, Wuhan University, Wuhan, 430079, China.
| | - Hongbing Deng
- Hubei International Scientific and Technological Cooperation Base of Sustainable Resource and Energy, Hubei Key Laboratory of Biomass Resource Chemistry and Environmental Biotechnology, School of Resource and Environmental Science, Wuhan University, Wuhan, 430079, China.
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Amagat Molas J, Chen M. Injectable PLCL/gelatin core-shell nanofibers support noninvasive 3D delivery of stem cells. Int J Pharm 2019; 568:118566. [DOI: 10.1016/j.ijpharm.2019.118566] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2019] [Revised: 07/19/2019] [Accepted: 07/24/2019] [Indexed: 02/08/2023]
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Pérez-González GL, Villarreal-Gómez LJ, Serrano-Medina A, Torres-Martínez EJ, Cornejo-Bravo JM. Mucoadhesive electrospun nanofibers for drug delivery systems: applications of polymers and the parameters' roles. Int J Nanomedicine 2019; 14:5271-5285. [PMID: 31409989 PMCID: PMC6643962 DOI: 10.2147/ijn.s193328] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2018] [Accepted: 02/11/2019] [Indexed: 12/12/2022] Open
Abstract
Electrospun nanofibers have been widely studied for many medical applications. They can be designed with specific features, including mucoadhesive properties. This review summarizes the polymeric scaffolds obtained by the electrospinning process that has been applied for drug release in different mucosal sites such as oral, ocular, gastroenteric, vaginal, and nasal. We analyzed the electrospinning parameters that have to be optimized to create reproducible and efficient mucoadhesive nanofibers, among them are: electrical field, polymer concentration, viscosity, flow rate, needle-collector distance, solution conductivity, solvent, environmental parameters, and electrospinning setup. We also revised the mucoadhesive theories as well as the mucoadhesive properties of the polymers used. This review shows that the most studied mucosal site is the oral cavity, because it is accessible and easy to evaluate, while the rest are uncomfortable for the patient and difficult to assess in vivo. We found problems that need to be solved for mucoadhesive electrospun nanofibers, such as improving adhesion strength and mucosal permanence time, and the design of unidirectional release, multilayer systems for the treatment of several pathologies, to ensure the drug concentration in the tissue or target organ.
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Affiliation(s)
- Graciela Lizeth Pérez-González
- Escuela de Ciencias de la Ingeniería y Tecnología, Universidad Autónoma de Baja California, Unidad Valle de las Palmas, Tijuana, Baja California, México.,Facultad de Ciencias Químicas e Ingeniería, Universidad Autónoma de Baja California, Calzada Universidad 14418 Parque Industrial Internacional, Tijuana, Baja California 22390, México
| | - Luis Jesús Villarreal-Gómez
- Escuela de Ciencias de la Ingeniería y Tecnología, Universidad Autónoma de Baja California, Unidad Valle de las Palmas, Tijuana, Baja California, México.,Facultad de Ciencias Químicas e Ingeniería, Universidad Autónoma de Baja California, Calzada Universidad 14418 Parque Industrial Internacional, Tijuana, Baja California 22390, México
| | - Aracely Serrano-Medina
- Facultad de Medicina y Psicología, Universidad Autónoma de Baja California, Unidad Otay, Tijuana, Baja California, México
| | - Erick José Torres-Martínez
- Escuela de Ciencias de la Ingeniería y Tecnología, Universidad Autónoma de Baja California, Unidad Valle de las Palmas, Tijuana, Baja California, México.,Facultad de Ciencias Químicas e Ingeniería, Universidad Autónoma de Baja California, Calzada Universidad 14418 Parque Industrial Internacional, Tijuana, Baja California 22390, México
| | - José Manuel Cornejo-Bravo
- Facultad de Ciencias Químicas e Ingeniería, Universidad Autónoma de Baja California, Calzada Universidad 14418 Parque Industrial Internacional, Tijuana, Baja California 22390, México
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Esfahani MR, Aktij SA, Dabaghian Z, Firouzjaei MD, Rahimpour A, Eke J, Escobar IC, Abolhassani M, Greenlee LF, Esfahani AR, Sadmani A, Koutahzadeh N. Nanocomposite membranes for water separation and purification: Fabrication, modification, and applications. Sep Purif Technol 2019. [DOI: 10.1016/j.seppur.2018.12.050] [Citation(s) in RCA: 237] [Impact Index Per Article: 47.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
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Yin X, Wen Y, Li Y, Liu P, Li Z, Shi Y, Lan J, Guo R, Tan L. Facile Fabrication of Sandwich Structural Membrane With a Hydrogel Nanofibrous Mat as Inner Layer for Wound Dressing Application. Front Chem 2018; 6:490. [PMID: 30406077 PMCID: PMC6201043 DOI: 10.3389/fchem.2018.00490] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2018] [Accepted: 09/26/2018] [Indexed: 11/13/2022] Open
Abstract
A common problem existing in wound dressing is to integrate the properties of against water erosion while maintaining a high water-uptake capacity. To tackle this issue, we imbedded one layer of hydrogel nanofibrous mat into two hydrophobic nanofibrous mats, thereafter, the sandwich structural membrane (SSM) was obtained. Particularly, SSM is composed of three individual nanofibrous layers which were fabricated through sequential electrospinning technology, including two polyurethane/antibacterial agent layers, and one middle gelatin/rutin layer. The obtained SSM is characterized in terms of morphology, component, mechanical, and functional performance. In addition to the satisfactory antibacterial activity against Staphylococcus aureus and Escherichia coli, and antioxidant property upon scavenging DPPH free radicals, the obtained SSM also shows a desirable thermally regulated water vapor transmission rate. More importantly, such SSM can be mechanically stable and keep its intact morphology without appearance damage while showing a high water-absorption ratio. Therefore, the prepared sandwich structural membrane with hydrogel nanofibrous mat as inner layer can be expected as a novel wound dressing.
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Affiliation(s)
- Xueqian Yin
- College of Light Industry, Textile and Food Engineering, Sichuan University, Chengdu, China
| | - Ya Wen
- College of Light Industry, Textile and Food Engineering, Sichuan University, Chengdu, China
| | - Yajing Li
- College of Light Industry, Textile and Food Engineering, Sichuan University, Chengdu, China.,College of Architecture & Environment, Sichuan University, Chengdu, China
| | - Pengqing Liu
- College of Polymer Science and Engineering, Sichuan University, Chengdu, China
| | - Zhongming Li
- College of Polymer Science and Engineering, Sichuan University, Chengdu, China
| | - Yidong Shi
- College of Light Industry, Textile and Food Engineering, Sichuan University, Chengdu, China
| | - Jianwu Lan
- College of Light Industry, Textile and Food Engineering, Sichuan University, Chengdu, China
| | - Ronghui Guo
- College of Light Industry, Textile and Food Engineering, Sichuan University, Chengdu, China
| | - Lin Tan
- College of Light Industry, Textile and Food Engineering, Sichuan University, Chengdu, China.,College of Polymer Science and Engineering, Sichuan University, Chengdu, China
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Protein-polysaccharide nanohybrids: Hybridization techniques and drug delivery applications. Eur J Pharm Biopharm 2018; 133:42-62. [PMID: 30300719 DOI: 10.1016/j.ejpb.2018.10.001] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2018] [Revised: 09/28/2018] [Accepted: 10/01/2018] [Indexed: 12/27/2022]
Abstract
Complex nanosystems fabricated by hybridization of different types of materials such as lipids, proteins, or polysaccharides are usually superior to simple ones in terms of features and applications. Proteins and polysaccharides hold great potential for development of nanocarriers for drug delivery purposes based on their unique biocompatibility, biodegradability, ease of functionalization, improved biodistribution and minimal toxicity profiles. Protein-polysaccharide nanohybrids have gained a lot of attention in the past few years particularly for drug delivery applications. In this review, different hybridization techniques utilized in the fabrication of such nanohybrids including electrostatic complexation, Maillard conjugation, chemical coupling and electrospinning were thoroughly reviewed. Moreover, various formulation factors affecting the characteristics of the formed nanohybrids were discussed. We also reviewed in depth the outcomes of such hybridization ranging from stability enhancement, to toxicity reduction, improved biocompatibility, and drug release modulation. We also gave an insight on their limitations and what hinders their clinical translation and market introduction.
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Casanellas I, García-Lizarribar A, Lagunas A, Samitier J. Producing 3D Biomimetic Nanomaterials for Musculoskeletal System Regeneration. Front Bioeng Biotechnol 2018; 6:128. [PMID: 30294596 PMCID: PMC6159749 DOI: 10.3389/fbioe.2018.00128] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2018] [Accepted: 08/29/2018] [Indexed: 12/21/2022] Open
Abstract
The human musculoskeletal system is comprised mainly of connective tissues such as cartilage, tendon, ligaments, skeletal muscle, and skeletal bone. These tissues support the structure of the body, hold and protect the organs, and are responsible of movement. Since it is subjected to continuous strain, the musculoskeletal system is prone to injury by excessive loading forces or aging, whereas currently available treatments are usually invasive and not always effective. Most of the musculoskeletal injuries require surgical intervention facing a limited post-surgery tissue regeneration, especially for widespread lesions. Therefore, many tissue engineering approaches have been developed tackling musculoskeletal tissue regeneration. Materials are designed to meet the chemical and mechanical requirements of the native tissue three-dimensional (3D) environment, thus facilitating implant integration while providing a good reabsorption rate. With biological systems operating at the nanoscale, nanoengineered materials have been developed to support and promote regeneration at the interprotein communication level. Such materials call for a great precision and architectural control in the production process fostering the development of new fabrication techniques. In this mini review, we would like to summarize the most recent advances in 3D nanoengineered biomaterials for musculoskeletal tissue regeneration, with especial emphasis on the different techniques used to produce them.
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Affiliation(s)
- Ignasi Casanellas
- Nanobioengineering Group, Institute for Bioengineering of Catalonia, The Barcelona Institute of Science and Technology, Barcelona, Spain
- Department of Electronics and Biomedical Engineering, University of Barcelona, Barcelona, Spain
| | - Andrea García-Lizarribar
- Nanobioengineering Group, Institute for Bioengineering of Catalonia, The Barcelona Institute of Science and Technology, Barcelona, Spain
- Department of Electronics and Biomedical Engineering, University of Barcelona, Barcelona, Spain
| | - Anna Lagunas
- Nanobioengineering Group, Institute for Bioengineering of Catalonia, The Barcelona Institute of Science and Technology, Barcelona, Spain
- Networking Biomedical Research Center (CIBER), Madrid, Spain
| | - Josep Samitier
- Nanobioengineering Group, Institute for Bioengineering of Catalonia, The Barcelona Institute of Science and Technology, Barcelona, Spain
- Department of Electronics and Biomedical Engineering, University of Barcelona, Barcelona, Spain
- Networking Biomedical Research Center (CIBER), Madrid, Spain
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Moradi SL, Golchin A, Hajishafieeha Z, Khani M, Ardeshirylajimi A. Bone tissue engineering: Adult stem cells in combination with electrospun nanofibrous scaffolds. J Cell Physiol 2018; 233:6509-6522. [DOI: 10.1002/jcp.26606] [Citation(s) in RCA: 65] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2018] [Accepted: 03/16/2018] [Indexed: 01/09/2023]
Affiliation(s)
- Sadegh L. Moradi
- Department of Tissue Engineering and Applied Cell Sciences, School of Advanced Technologies in Medicine Shahid Beheshti University of Medical Sciences Tehran Iran
| | - Ali Golchin
- Department of Tissue Engineering and Applied Cell Sciences, School of Advanced Technologies in Medicine Shahid Beheshti University of Medical Sciences Tehran Iran
| | - Zahra Hajishafieeha
- Department of Microbiology Qazvin University of Medical Sciences Qazvin Iran
| | - Mohammad‐Mehdi Khani
- Department of Tissue Engineering and Applied Cell Sciences, School of Advanced Technologies in Medicine Shahid Beheshti University of Medical Sciences Tehran Iran
| | - Abdolreza Ardeshirylajimi
- Department of Tissue Engineering and Applied Cell Sciences, School of Advanced Technologies in Medicine Shahid Beheshti University of Medical Sciences Tehran Iran
- Edward A. Doisy Department of Biochemistry and Molecular Biology Saint Louis University School of Medicine Saint Louis MO
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36
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Zhang D, Cheng J, Chai J, Deng J, Ren R, Su Y, Wang H, Ma C, Lee CS, Zhang W, Zheng GP, Cao M. Magnetic-field-induced dielectric behaviors and magneto-electrical coupling of multiferroic compounds containing cobalt ferrite/barium calcium titanate composite fibers. JOURNAL OF ALLOYS AND COMPOUNDS 2018; 740:1067-1076. [PMID: 29628623 PMCID: PMC5806601 DOI: 10.1016/j.jallcom.2018.01.081] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/06/2017] [Revised: 01/04/2018] [Accepted: 01/05/2018] [Indexed: 05/06/2023]
Abstract
Multiferroics have broad application prospects in various fields such as multi-layer ceramic capacitors and multifunctional devices owing to their high dielectric constants and coupled magnetic and ferroelectric properties at room temperature. In this study, cobalt ferrite (CFO)/barium calcium titanate (BCT) composite fibers are prepared from BCT and CFO sols by an electrospinning method, and are then oriented by magnetic fields and sintered at high temperatures. The effects of magnetic fields and CFO contents on the nanostructures and magnetoelectric properties of the composites are investigated. Strong coupling between magnetic and ferroelectric properties occurs in CFO/BCT composites with magnetic orientation. More interestingly, the dielectric constants of CFO/BCT composites with magnetic orientation are found to be enhanced (by ∼1.5-3.5 times) as compared with those of BCT and CFO/BCT without magnetic orientation. The boost of dielectric constants of magnetic-field orientated CFO/BCT is attributed to the magneto-electrical coupling between CFO and BCT, where the polar domains of BCT are pinned by the orientated CFO. Therefore, this work not only provides a novel and effective approach in enhancing the dielectric constants of ceramic ferroelectrics, which is of tremendous value for industrial applications, but also elucidates the interaction mechanisms between ferromagnetic phase and ferroelectric phase in multiferroic compounds.
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Affiliation(s)
- Deqing Zhang
- School of Materials Science and Engineering, Qiqihar University, Qiqihar 161006, China
| | - Junye Cheng
- Guangdong Provincial Key Laboratory of Micro/Nano Optomechatronics Engineering, College of Mechatronics and Control Engineering, Shenzhen University, Shenzhen 518060, China
- Center of Super-Diamond and Advanced Films (COSDAF), City University of Hong Kong, 999077, Hong Kong
| | - Jixing Chai
- School of Materials Science and Engineering, Qiqihar University, Qiqihar 161006, China
| | - Jiji Deng
- School of Materials Science and Engineering, Qiqihar University, Qiqihar 161006, China
| | - Ran Ren
- Center of Super-Diamond and Advanced Films (COSDAF), City University of Hong Kong, 999077, Hong Kong
| | - Yang Su
- Guangdong Provincial Key Laboratory of Micro/Nano Optomechatronics Engineering, College of Mechatronics and Control Engineering, Shenzhen University, Shenzhen 518060, China
| | - Hao Wang
- Guangdong Provincial Key Laboratory of Micro/Nano Optomechatronics Engineering, College of Mechatronics and Control Engineering, Shenzhen University, Shenzhen 518060, China
| | - Chunqing Ma
- Center of Super-Diamond and Advanced Films (COSDAF), City University of Hong Kong, 999077, Hong Kong
| | - Chun-Sing Lee
- Center of Super-Diamond and Advanced Films (COSDAF), City University of Hong Kong, 999077, Hong Kong
| | - Wenjun Zhang
- Center of Super-Diamond and Advanced Films (COSDAF), City University of Hong Kong, 999077, Hong Kong
| | - Guang-Ping Zheng
- Department of Mechanical Engineering, Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong
| | - Maosheng Cao
- School of Materials Science and Engineering, Beijing Institute of Technology, Beijing 100081, China
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37
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Otitoju T, Ahmad A, Ooi B. Superhydrophilic (superwetting) surfaces: A review on fabrication and application. J IND ENG CHEM 2017. [DOI: 10.1016/j.jiec.2016.12.016] [Citation(s) in RCA: 166] [Impact Index Per Article: 23.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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38
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Valizadeh A, Sohrabi N, Badrzadeh F. Electrochemical detection of HIV-1 by nanomaterials. ARTIFICIAL CELLS NANOMEDICINE AND BIOTECHNOLOGY 2017; 45:1467-1477. [DOI: 10.1080/21691401.2017.1282494] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Affiliation(s)
- Alireza Valizadeh
- Department of Medical Nanotechnology, School of Advanced Technologies in Medicine, Tehran University of Medical Sciences, Tehran, Iran
- Students’ Scientific Research Center, Tehran University of Medical Sciences, Tehran, Iran
| | - Nasrin Sohrabi
- Department of Medical Genetics, Faculty of Medical Sciences, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Fariba Badrzadeh
- Department of Medical Biotechnology, Faculty of Advanced Medical Sciences, University of Medical Sciences, Tabriz, Iran
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Kumar M, Rahikainen R, Unruh D, Hytönen VP, Delbrück C, Sindelar R, Renz F. Mixture of PLA-PEG and biotinylated albumin enables immobilization of avidins on electrospun fibers. J Biomed Mater Res A 2016; 105:356-362. [DOI: 10.1002/jbm.a.35920] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2016] [Revised: 09/14/2016] [Accepted: 09/16/2016] [Indexed: 12/17/2022]
Affiliation(s)
- Manish Kumar
- Department of Material Science Faculty II; University of Applied Science and Arts; Ricklinger Stadtweg 120 Hannover 30459 Germany
- Laboratorium of Nano and Quantum Engineering; Leibniz Universität Hannover; Schneiderberg 39 Hannover 30167 Germany
| | - Rolle Rahikainen
- BioMediTech University of Tampere; Lääkärinkatu 1 Tampere Finland 33520
- Fimlab Laboratories; Biokatu 4 Tampere Finland 33520
| | - Daniel Unruh
- Institute of Inorganic Chemistry Leibniz Universität Hannover; Callinstraße 9 Hannover 30167 Germany
| | - Vesa P. Hytönen
- BioMediTech University of Tampere; Lääkärinkatu 1 Tampere Finland 33520
- Fimlab Laboratories; Biokatu 4 Tampere Finland 33520
| | - Cesare Delbrück
- Institute of Inorganic Chemistry Leibniz Universität Hannover; Callinstraße 9 Hannover 30167 Germany
| | - Ralf Sindelar
- Department of Material Science Faculty II; University of Applied Science and Arts; Ricklinger Stadtweg 120 Hannover 30459 Germany
| | - Franz Renz
- Institute of Inorganic Chemistry Leibniz Universität Hannover; Callinstraße 9 Hannover 30167 Germany
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Abstract
Rotator cuff tears continue to be at significant risk for re-tear or for failure to heal after surgical repair despite the use of a variety of surgical techniques and augmentation devices. Therefore, there is a need for functionalized scaffold strategies to provide sustained mechanical augmentation during the critical first 12-weeks following repair, and to enhance the healing potential of the repaired tendon and tendon-bone interface. Tissue engineered approaches that combine the use of scaffolds, cells, and bioactive molecules towards promising new solutions for rotator cuff repair are reviewed. The ideal scaffold should have adequate initial mechanical properties, be slowly degrading or non-degradable, have non-toxic degradation products, enhance cell growth, infiltration and differentiation, promote regeneration of the tendon-bone interface, be biocompatible and have excellent suture retention and handling properties. Scaffolds that closely match the inhomogeneity and non-linearity of the native rotator cuff may significantly advance the field. While substantial pre-clinical work remains to be done, continued progress in overcoming current tissue engineering challenges should allow for successful clinical translation.
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Gong W, Lei D, Li S, Huang P, Qi Q, Sun Y, Zhang Y, Wang Z, You Z, Ye X, Zhao Q. Hybrid small-diameter vascular grafts: Anti-expansion effect of electrospun poly ε-caprolactone on heparin-coated decellularized matrices. Biomaterials 2015; 76:359-70. [PMID: 26561933 DOI: 10.1016/j.biomaterials.2015.10.066] [Citation(s) in RCA: 115] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2015] [Revised: 10/20/2015] [Accepted: 10/26/2015] [Indexed: 12/20/2022]
Abstract
Small-diameter vascular grafts (SDVGs) (D < 6 mm) are increasingly needed in clinical settings for cardiovascular disease, including coronary artery and peripheral vascular pathologies. Vessels made from synthetic polymers have shortcomings such as thrombosis, intimal hyperplasia, calcification, chronic inflammation and no growth potential. Decellularized xenografts are commonly used as a tissue-engineering substitute for vascular reconstructive procedures. Although acellular allogeneic vascular grafts have good histocompatibility and antithrombotic properties, the decellularization process may damage the biomechanics and accelerate the elastin deformation and degradation, finally resulting in vascular graft expansion and even aneurysm formation. Here, to address these problems, we combine synthetic polymers with natural decellularized small-diameter vessels to fabricate hybrid tissue-engineered vascular grafts (HTEV). The donor aortic vessels were decellularized with a combination of different detergents and dehydrated under a vacuum freeze-drying process. Polycaprolactone (PCL) nanofibers were electrospun (ES) outside the acellular aortic vascular grafts to strengthen the decellularized matrix. The intimal surfaces of the hybrid small-diameter vascular grafts were coated with heparin before the allograft transplantation. Histopathology and scanning electron microscope revealed that the media of the decellularized vessels were severely injured. Mechanical testing of scaffolds showed that ES-PCL significantly enhanced the biomechanics of decellularized vessels. Vascular ultrasound and micro-CT angiography showed that all grafts after implantation in a rat model were satisfactorily patent for up to 6 weeks. ES-PCL successfully prevented the occurrence of vasodilation and aneurysm formation after transplantation and reduced the cell inflammatory infiltration. In conclusion, the HTEV with perfect histocompatibility and biomechanics provide a facile and useful technique for the development of SDVGs.
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Affiliation(s)
- Wenhui Gong
- Department of Cardiac Surgery, Ruijin Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, PR China
| | - Dong Lei
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University, Shanghai, PR China
| | - Sen Li
- Department of Cardiac Surgery, Ruijin Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, PR China
| | - Peng Huang
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University, Shanghai, PR China
| | - Quan Qi
- Department of Cardiac Surgery, Ruijin Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, PR China
| | - Yijun Sun
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University, Shanghai, PR China
| | - Yijie Zhang
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University, Shanghai, PR China
| | - Zhe Wang
- Department of Cardiac Surgery, Ruijin Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, PR China
| | - Zhengwei You
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University, Shanghai, PR China.
| | - Xiaofeng Ye
- Department of Cardiac Surgery, Ruijin Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, PR China.
| | - Qiang Zhao
- Department of Cardiac Surgery, Ruijin Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, PR China.
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Valizadeh A. Nanomaterials and Optical Diagnosis of HIV. ARTIFICIAL CELLS NANOMEDICINE AND BIOTECHNOLOGY 2015; 44:1383-90. [PMID: 26099718 DOI: 10.3109/21691401.2015.1052469] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
The investigators had previously shown that the risk of AIDS/HIV-related illness and transmission reduced (by 96%) with early antiretroviral treatment. Nanomaterials could be applied in early diagnosis of HIV by improving the ability to detect serum biomarkers of the blood-borne infectious diseases, with low sample volume, rapidity, and more sensitivity than currently available FDA-approved methods such as ELISA, particle agglutination assay, and Western Blotting assay. We have demonstrated several experimental studies for optical HIV diagnosis based on nanomaterials in three categories (e.g., the fluorescence-, the SPR-, and the SERS- based biosensors), and have explained each assay.
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Affiliation(s)
- Alireza Valizadeh
- a Department of Medical Nanotechnology , Faculty of Advanced Medical Sciences & Student Research Committee, Tabriz, University of Medical Sciences , Tabriz , Iran.,b Department of Medical Nanotechnology , School of Advanced Technologies inMedicine, Tehran University of Medical Sciences , Tehran , Iran
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