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Pinky, Sharma A, Arora V, Rao EP, Arava S, Agrawal AK, Jassal M, Mohanty S. Modulating the hAM/PCL Biocomposite for Expedited Wound Healing: A Chemical-Free Approach for Boosting Regenerative Potential. ACS Biomater Sci Eng 2024; 10:3842-3854. [PMID: 38754076 DOI: 10.1021/acsbiomaterials.3c01740] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/18/2024]
Abstract
There is an arising need for effective wound dressings that retain the bioactivity of a cellular treatment, but without the high costs and complexities associated with manufacturing, storing, and applying cell-based products. As skin wound recovery is a dynamic and complicated process, a significant obstacle to the healing of skin wounds is the lack of an appropriate wound dressing that can imitate the microenvironment of healthy skin and prevent bacterial infection. It requires the well-orchestrated integration of biological and molecular events. In this study, we have fabricated full-thickness skin graft biocomposite membranes to target full-thickness skin excision wounds. We reinforced human amniotic membrane (hAM) with electrospun polycaprolactone (PCL) to develop composite membranes, namely, PCL/hAM and PCL/hAM/PCL. Composite membranes were compared for physical, biological, and mechanical properties with the native counterpart. PCL/hAM and PCL/hAM/PCL displayed improved stability and delayed degradation, which further synergically improved the rapid wound healing property of hAM, driven primarily by wound closure analysis and histological assessment. Moreover, PCL/hAM displayed a comparable cellular interaction to hAM. On application as a wound dressing, histological analysis demonstrated that hAM and PCL/hAM promoted early epidermis and dermis formation. Studies on in vivo wound healing revealed that although hAM accelerates cell development, the overall wound healing process is similar in PCL/hAM. This finding is further supported by the immunohistochemical analysis of COL-1/COL-3, CD-31, and TGF-β. Overall, this conjugated PCL and hAM-based membrane has considerable potential to be applied in skin wound healing. The facile fabrication of the PCL/hAM composite membrane provided the self-regenerating wound dressing with the desired mechanical strength as an ideal regenerative property for skin tissue regeneration.
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Affiliation(s)
- Pinky
- Stem Cell Facility, DBT-Centre of Excellence for Stem Cell Research, All India Institute of Medical Sciences, Ansari Nagar, New Delhi 110029, India
| | - Aarushi Sharma
- Stem Cell Facility, DBT-Centre of Excellence for Stem Cell Research, All India Institute of Medical Sciences, Ansari Nagar, New Delhi 110029, India
| | - Varun Arora
- SMITA Research Lab, Department of Textile and Fibre Engineering, Indian Institute of Technology Delhi, New Delhi 110016, India
| | - E Pranshu Rao
- Stem Cell Facility, DBT-Centre of Excellence for Stem Cell Research, All India Institute of Medical Sciences, Ansari Nagar, New Delhi 110029, India
| | - Sudheer Arava
- Department of Pathology, All India Institute of Medical Sciences, Ansari Nagar, New Delhi 110029, India
| | - Ashwini K Agrawal
- SMITA Research Lab, Department of Textile and Fibre Engineering, Indian Institute of Technology Delhi, New Delhi 110016, India
| | - Manjeet Jassal
- SMITA Research Lab, Department of Textile and Fibre Engineering, Indian Institute of Technology Delhi, New Delhi 110016, India
| | - Sujata Mohanty
- Stem Cell Facility, DBT-Centre of Excellence for Stem Cell Research, All India Institute of Medical Sciences, Ansari Nagar, New Delhi 110029, India
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2
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Almajidi YQ, Ponnusankar S, Chaitanya MVNL, Marisetti AL, Hsu CY, Dhiaa AM, Saadh MJ, Pal Y, Thabit R, Adhab AH, Alsaikhan F, Narmani A, Farhood B. Chitosan-based nanofibrous scaffolds for biomedical and pharmaceutical applications: A comprehensive review. Int J Biol Macromol 2024; 264:130683. [PMID: 38458289 DOI: 10.1016/j.ijbiomac.2024.130683] [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: 10/15/2023] [Revised: 02/03/2024] [Accepted: 03/05/2024] [Indexed: 03/10/2024]
Abstract
Nowadays, there is a wide range of deficiencies in treatment of diseases. These limitations are correlated with the inefficient ability of current modalities in the prognosis, diagnosis, and treatment of diseases. Therefore, there is a fundamental need for the development of novel approaches to overcome the mentioned restrictions. Chitosan (CS) nanoparticles, with remarkable physicochemical and mechanical properties, are FDA-approved biomaterials with potential biomedical aspects, like serum stability, biocompatibility, biodegradability, mucoadhesivity, non-immunogenicity, anti-inflammatory, desirable pharmacokinetics and pharmacodynamics, etc. CS-based materials are mentioned as ideal bioactive materials for fabricating nanofibrous scaffolds. Sustained and controlled drug release and in situ gelation are other potential advantages of these scaffolds. This review highlights the latest advances in the fabrication of innovative CS-based nanofibrous scaffolds as potential bioactive materials in regenerative medicine and drug delivery systems, with an outlook on their future applications.
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Affiliation(s)
| | - Sivasankaran Ponnusankar
- Department of Pharmacy Practice, JSS College of Pharmacy, JSS Academy of Higher Education and Research, Ooty 643001, The Nilgiris, India
| | - M V N L Chaitanya
- School of Pharmaceutical Sciences, Lovely Professional University, Phagwara 144411, Punjab, India
| | - Arya Lakshmi Marisetti
- Department of Pharmacognosy and Phytochemistry, School of Pharmaceutical Sciences, Delhi Pharmaceutical Sciences and Research University, Pushp Vihar, New Delhi 110017, India
| | - Chou-Yi Hsu
- Department of Pharmacy, Chia Nan University of Pharmacy and Science, Tainan City 71710, Taiwan.
| | | | - Mohamed J Saadh
- Faculty of Pharmacy, Middle East University, Amman 11831, Jordan
| | - Yogendra Pal
- Department of Pharmaceutical Chemistry, CT College of Pharmacy, Shahpur, Jalandhar, Punjab 144020, India
| | - Russul Thabit
- Medical Technical College, Al-Farahidi University, Iraq
| | | | - Fahad Alsaikhan
- College of Pharmacy, Prince Sattam Bin Abdulaziz University, Alkharj, Saudi Arabia; School of Pharmacy, Ibn Sina National College for Medical Studies, Jeddah, Saudi Arabia.
| | - Asghar Narmani
- Department of Life Science Engineering, Faculty of New Sciences and Technologies, University of Tehran, Tehran, Iran.
| | - Bagher Farhood
- Department of Medical Physics and Radiology, Faculty of Paramedical Sciences, Kashan University of Medical Sciences, Kashan, Iran.
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Escobar Jaramillo M, Covarrubias C, Patiño González E, Ossa Orozco CP. Optimization by mixture design of chitosan/multi-phase calcium phosphate/BMP-2 biomimetic scaffolds for bone tissue engineering. J Mech Behav Biomed Mater 2024; 152:106423. [PMID: 38290393 DOI: 10.1016/j.jmbbm.2024.106423] [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: 11/12/2023] [Revised: 01/20/2024] [Accepted: 01/23/2024] [Indexed: 02/01/2024]
Abstract
The modulation of cell behavior during culture is one of the most important aspects of bone tissue engineering because of the necessity for a complex mechanical and biochemical environment. This study aimed to improve the physicochemical properties of chitosan/multi-phase calcium phosphate (MCaP) scaffolds using an optimized mixture design experiment and evaluate the effect of biofunctionalization of the obtained scaffolds with the bone morphogenetic protein BMP-2 on stem cell behavior. The present study evaluated the compressive strength, elastic modulus, porosity, pore diameter, and degradation in simulated body fluids and integrated these responses using desirability. The properties of the scaffolds with the best desirability (18.4% of MCaP) were: compressive strength of 23 kPa, elastic modulus of 430 kPa, pore diameter of 163 μm, porosity of 92%, and degradation of 20% after 21 days. Proliferation and differentiation experiments were conducted using dental pulp stem cells after grafting BMP-2 onto scaffolds via the carbodiimide route. These experiments showed that MCaP promoted cell proliferation and increased alkaline phosphatase activity, whereas BMP-2 enhanced cell differentiation. This study demonstrates that optimizing the composition of a mixture of chitosan and MCaP improves the physicochemical and biological properties of scaffolds, indicating that this solution is viable for application in bone tissue engineering.
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Affiliation(s)
- Mateo Escobar Jaramillo
- Grupo de Investigación en Biomateriales, Programa de Bioingeniería, Facultad de Ingeniería, Universidad de Antioquia, Medellín, Antioquia, Colombia.
| | - Cristian Covarrubias
- Laboratorio de Nanobiomateriales, Universidad de, Chile, Santiago de Chile, Chile
| | - Edwin Patiño González
- Grupo de Bioquímica Estructural de Macromoléculas, Universidad de Antioquia, Medellín, Antioquia, Colombia
| | - Claudia Patricia Ossa Orozco
- Grupo de Investigación en Biomateriales, Programa de Bioingeniería, Facultad de Ingeniería, Universidad de Antioquia, Medellín, Antioquia, Colombia
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Li S, Wu P, Ji Z, Zhang Y, Zhang P, He Y, Shen Y. In vitro biocompatibility study of EDC/NHS cross-linked silk fibroin scaffold with olfactory ensheathing cells. JOURNAL OF BIOMATERIALS SCIENCE. POLYMER EDITION 2023; 34:482-496. [PMID: 36285432 DOI: 10.1080/09205063.2022.2135076] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
In this paper, we investigated silk fibroin (SF) cross-linked by 1-ethyl-3-(3-dimethylaminopropyl) carbodiimide/N-hydroxysuccinimide (EDC/NHS) and its biocompatibility with olfactory ensheathing cells (OECs). After cross-linked with different concentrations of EDC/NHS solutions, SF scaffolds were analyzed by different techniques such as scanning electron microscopy, Fourier transform infrared spectra, x-ray diffraction, tensile machine and water contact angle assay. As to their structures, we found 4.5% EDC/NHS cross-linked SF possessed a more significant increase of β-sheet and a decrease of α-helix than 1.5% group. These changes helped SF achieve excellent mechanical properties. While more remarkable improvement of hydrophilicity was seen in 1.5% EDC/NHS treated SF. Immunofluorescence, MTT, Annexin-V/PI and ELISA analysis were then conducted to determine the states and functions of OECs on the scaffolds. OECs on 4.5% EDC/NHS cross-linked SF seemed insufficient to spread, and the proliferation was limited on 4 and 6 days. Moreover, 4.5% EDC/NHS exerted adverse effects on cell survival and nerve growth factor (NGF) secretion at day 4, but not 1.5% EDC/NHS. Taken together, SF scaffolds showed improved physical and hydrophilic properties through cross-linking. 1.5% EDC/NHS cross-linked SF scaffolds showed significant advantages between mechanical property and the states and functions with OECs, which has the potential to be used for neural repairing.
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Affiliation(s)
- Shengwen Li
- Department of Orthopedics, The Second Affiliated Hospital of Soochow University, Suzhou, Jiangsu, China.,Second Department of Orthopaedics, Haining People's Hospital, Haining, Zhejiang, China
| | - Peng Wu
- Department of Orthopedics, The Second Hospital of Jingzhou, Jingzhou, Hubei, China
| | - Zhongqing Ji
- Department of Orthopedics, The Second Affiliated Hospital of Soochow University, Suzhou, Jiangsu, China.,Department of Orthopedics, Yongding Hospital, Suzhou, Jiangsu, China
| | - Yu Zhang
- Department of Orthopedics, The Second Affiliated Hospital of Soochow University, Suzhou, Jiangsu, China
| | - Peng Zhang
- Department of Orthopedics, The Second Affiliated Hospital of Soochow University, Suzhou, Jiangsu, China
| | - Yongqing He
- Second Department of Orthopaedics, Haining People's Hospital, Haining, Zhejiang, China
| | - Yixin Shen
- Department of Orthopedics, The Second Affiliated Hospital of Soochow University, Suzhou, Jiangsu, China
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5
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Qian C, Zheng Y, Xu Z, Zhang Z, Li H, Chen X. Preparation of Cross-Linked Bovine Tendon Acellular Fibers and Study of Their Biophysical and Chemical Properties. J Biomed Nanotechnol 2022. [DOI: 10.1166/jbn.2022.3476] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/30/2023]
Abstract
To explore the effect of glutaraldehyde (GA) and 1-ethyl-3-(3-dimethylaminopropyl) carbodiimide (EDC) cross-linking on the biophysical and chemical properties of acellular scaffold to better provide suitable donor materials for tendon reconstruction. GA and EDC with different concentrations
and action time gradients were used to cross-link the acellular scaffold. By detecting the collagen content in the cross-linked scaffold and the cytotoxicity, the cross-linking scheme with minimal damage to the scaffold and minimal cytotoxicity was explored for subsequent studies. The biomechanical
properties (durability, elastic modulus, stressmax) of the scaffolds in GA, EDC, acellular scaffold, and tendon groups were compared, and the scaffold rat models were constructed to further evaluate their in vivo histocompatibility. Under different concentration gradients,
the collagen content of the scaffolds in the GA and EDC groups had no obvious difference. When 0.5% GA was cross-linked for 24 h, and the mass ratio of EDC (1:2) was cross-linked for 4 h, the inhibition rate of the scaffold extract on fibroblasts was the lowest. In the mechanical property
test, the Stressmax, durability, and elastic modulus of the cross-linked acellular scaffolds were significantly improved than those before cross-linking, and the elastic modulus of the EDC acellular scaffold was similar to that of the bovine tendon. In the compatibility test, compared
with the acellular scaffold group, fibroblast activity in the GA group decreased obviously, and the scaffold implanted in rat models led to a persistent chronic inflammatory reaction. However, cells in the EDC group could maintain good activity. Moreover, the scaffold had good compatibility
with rats and did not cause an obvious inflammatory reaction. EDC cross-linking scheme will not damage the acellular scaffold, and the cytotoxicity of the obtained scaffold is controllable. Additionally, EDC cross-linked acellular scaffold has mechanical properties similar to normal tendons
and excellent histocompatibility.
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6
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Majidnia E, Ahmadian M, Salehi H, Amirpour N. Development of an electrospun poly(ε-caprolactone)/collagen-based human amniotic membrane powder scaffold for culturing retinal pigment epithelial cells. Sci Rep 2022; 12:6469. [PMID: 35440610 PMCID: PMC9018818 DOI: 10.1038/s41598-022-09957-5] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2021] [Accepted: 03/31/2022] [Indexed: 11/09/2022] Open
Abstract
The common retinal diseases are age-related macular degeneration (AMD) and retinitis pigmentosa (RP). They are usually associated with the dysfunction of retinal pigment epithelial (RPE) cells and degeneration of underlying Bruch’s membrane. The RPE cell transplantation is the most promising therapeutic option to restore lost vision. This study aimed to construct an ultrathin porous fibrous film with properties similar to that of native Bruch’s membrane as carriers for the RPE cells. Human amniotic membrane powder (HAMP)/Polycaprolactone (PCL) scaffolds containing different concentrations of HAMP were fabricated by electrospinning technique. The results showed that with increasing the concentration of HAMP, the diameter of fibers increased. Moreover, hydrophilicity and degradation rate were improved from 119° to 92° and 14 to 56% after 28 days immersion in phosphate-buffered saline (PBS) solution, respectively. All scaffolds had a porosity above 85%. Proper cell adhesion was obtained one day after culture and no toxicity was observed. However, after seven days, the rate of growth and proliferation of ARPE-19 cells, a culture model of RPE, on the PCL-30HAMP scaffold (HAMP concentration in PCL 7.2% by weight) was higher compared to other scaffolds. These results indicated that PCL-30HAMP fibrous scaffold has a great potential to be used in retinal tissue engineering applications.
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Affiliation(s)
- Elahe Majidnia
- Department of Materials Engineering, Isfahan University of Technology, 84156-83111, Isfahan, Iran
| | - Mehdi Ahmadian
- Department of Materials Engineering, Isfahan University of Technology, 84156-83111, Isfahan, Iran.
| | - Hossein Salehi
- Department of Anatomical Sciences, School of Medicine, Isfahan University of Medical Sciences, 81746-73461, Isfahan, Iran
| | - Noushin Amirpour
- Department of Anatomical Sciences, School of Medicine, Isfahan University of Medical Sciences, 81746-73461, Isfahan, Iran
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7
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Cojocaru E, Ghitman J, Pircalabioru GG, Stavarache C, Serafim A, Vasile E, Iovu H. Electrospun Nanofibrous Membranes Based on Citric Acid-Functionalized Chitosan Containing rGO-TEPA with Potential Application in Wound Dressings. Polymers (Basel) 2022; 14:294. [PMID: 35054703 PMCID: PMC8778993 DOI: 10.3390/polym14020294] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2021] [Revised: 12/30/2021] [Accepted: 01/10/2022] [Indexed: 01/08/2023] Open
Abstract
The present research work is focused on the design and investigation of electrospun composite membranes based on citric acid-functionalized chitosan (CsA) containing reduced graphene oxide-tetraethylene pentamine (CsA/rGO-TEPA) as materials with opportune bio-properties for applications in wound dressings. The covalent functionalization of chitosan (CS) with citric acid (CA) was achieved through the EDC/NHS coupling system and was checked by 1H-NMR spectroscopy and FTIR spectrometry. The mixtures to be electrospun were formulated by adding three concentrations of rGO-TEPA into the 1/1 (w/w) CsA/poly (ethylene oxide) (PEO) solution. The effect of rGO-TEPA concentration on the morphology, wettability, thermal stability, cytocompatibility, cytotoxicity, and anti-biofilm activity of the nanofibrous membranes was extensively investigated. FTIR and Raman results confirmed the covalent and non-covalent interactions that appeared between the system's compounds, and the exfoliation of rGO-TEPA sheets within the CsA in the presence of PEO (CsA/P) polymer matrix, respectively. SEM analysis emphasized the nanofibrous architecture of membranes and the presence of rGO-TEPA sheets entrapped into the CsA nanofiber structure. The MTT cellular viability assay showed a good cytocompatibility with the highest level of cell development and proliferation registered for the CsA/P composite nanofibrous membrane with 0.250 wt.% rGO-TEPA. The designed nanofibrous membranes could have potential applications in wound dressings, given that they showed a good anti-biofilm activity against Gram-negative Pseudomonas aeruginosa and Gram-positive Staphylococcus aureus bacterial strains.
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Affiliation(s)
- Elena Cojocaru
- Advanced Polymer Materials Group, University Politehnica of Bucharest, 1-7 Gh. Polizu Street, 011061 Bucharest, Romania; (E.C.); (J.G.); (C.S.); (A.S.)
| | - Jana Ghitman
- Advanced Polymer Materials Group, University Politehnica of Bucharest, 1-7 Gh. Polizu Street, 011061 Bucharest, Romania; (E.C.); (J.G.); (C.S.); (A.S.)
| | - Gratiela Gradisteanu Pircalabioru
- Research Institute of the University of Bucharest (ICUB), University of Bucharest, 91-95 Splaiul Independentei, 050095 Bucharest, Romania;
| | - Cristina Stavarache
- Advanced Polymer Materials Group, University Politehnica of Bucharest, 1-7 Gh. Polizu Street, 011061 Bucharest, Romania; (E.C.); (J.G.); (C.S.); (A.S.)
- “C. D. Nenitescu” Institute of Organic Chemistry, 202-B Splaiul Independentei, 060023 Bucharest, Romania
| | - Andrada Serafim
- Advanced Polymer Materials Group, University Politehnica of Bucharest, 1-7 Gh. Polizu Street, 011061 Bucharest, Romania; (E.C.); (J.G.); (C.S.); (A.S.)
| | - Eugeniu Vasile
- Department of Science and Engineering of Oxide Materials and Nanomaterials, Faculty of Applied Chemistry and Material Science, University Politehnica of Bucharest, 1-7 Gh. Polizu Street, 011061 Bucharest, Romania;
| | - Horia Iovu
- Advanced Polymer Materials Group, University Politehnica of Bucharest, 1-7 Gh. Polizu Street, 011061 Bucharest, Romania; (E.C.); (J.G.); (C.S.); (A.S.)
- Academy of Romanian Scientists, 54 Splaiul Independentei, 050094 Bucharest, Romania
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Shahin A, Ramazani S.A A, Mehraji S, Eslami H. Synthesis and characterization of a chitosan/gelatin transparent film crosslinked with a combination of EDC/NHS for corneal epithelial cell culture scaffold with potential application in cornea implantation. INT J POLYM MATER PO 2021. [DOI: 10.1080/00914037.2020.1865349] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Affiliation(s)
- Ali Shahin
- Chemical and Petroleum Engineering Department, Sharif University of Technology, Tehran, Iran
| | - Ahmad Ramazani S.A
- Chemical and Petroleum Engineering Department, Sharif University of Technology, Tehran, Iran
| | - Sima Mehraji
- Chemical and Petroleum Engineering Department, Sharif University of Technology, Tehran, Iran
| | - Hamed Eslami
- Department of Biomedical Engineering Biomaterial, Science and Research Branch, Islamic Azad University, Tehran, Iran
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Nosrati H, Abpeikar Z, Mahmoudian ZG, Zafari M, Majidi J, Alizadeh A, Moradi L, Asadpour S. Corneal epithelium tissue engineering: recent advances in regeneration and replacement of corneal surface. Regen Med 2020; 15:2029-2044. [PMID: 33169642 DOI: 10.2217/rme-2019-0055] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Currently, many corneal diseases are treated by corneal transplantation, artificial corneal implantation or, in severe cases, keratoprosthesis. Owing to the shortage of cornea donors and the risks involved with artificial corneal implants, such as infection transmission, researchers continually seek new approaches for corneal regeneration. Corneal tissue engineering is a promising approach that has attracted much attention from researchers and is focused on regenerative strategies using various biomaterials in combination with different cell types. These constructs should have the ability to mimic the native tissue microenvironment and present suitable optical, mechanical and biological properties. In this article, we review studies that have focused on the current clinical techniques for corneal replacement. We also describe tissue-engineering and cell-based approaches for corneal regeneration.
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Affiliation(s)
- Hamed Nosrati
- Department of Tissue Engineering & Applied Cell Sciences, School of Advanced Technologies, Shahrekord University of Medical Sciences, Shahrekord, Iran
| | - Zahra Abpeikar
- Department of Tissue Engineering & Applied Cell Sciences, School of Advanced Technologies, Shahrekord University of Medical Sciences, Shahrekord, Iran
| | - Zahra Gholami Mahmoudian
- Department of Anatomical Sciences, Medical School, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Mahdi Zafari
- Department of Bacteriology, Pasteur Institute of Iran, Tehran, Iran
| | - Jafar Majidi
- Cellular & Molecular Research Center, Basic Health Science Institute, Shahrekord University of Medical Sciences, Shahrekord, Iran
| | - Akram Alizadeh
- Department of Tissue Engineering & Applied Cell Sciences, Faculty of Medicine, Semnan University of Medical Sciences, Semnan, Iran
| | - Lida Moradi
- The Ronald O Perelman Department of Dermatology, New York University, School of Medicine, New York, NY 10016, USA.,Department of Cell Biology, New York University, School of Medicine, New York, NY, 10016 USA
| | - Shiva Asadpour
- Department of Tissue Engineering & Applied Cell Sciences, School of Advanced Technologies, Shahrekord University of Medical Sciences, Shahrekord, Iran.,Cellular & Molecular Research Center, Basic Health Science Institute, Shahrekord University of Medical Sciences, Shahrekord, Iran
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Mahdavi SS, Abdekhodaie MJ, Mashayekhan S, Baradaran-Rafii A, Djalilian AR. Bioengineering Approaches for Corneal Regenerative Medicine. Tissue Eng Regen Med 2020; 17:567-593. [PMID: 32696417 PMCID: PMC7373337 DOI: 10.1007/s13770-020-00262-8] [Citation(s) in RCA: 40] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2020] [Accepted: 04/06/2020] [Indexed: 12/13/2022] Open
Abstract
BACKGROUND Since the cornea is responsible for transmitting and focusing light into the eye, injury or pathology affecting any layer of the cornea can cause a detrimental effect on visual acuity. Aging is also a reason for corneal degeneration. Depending on the level of the injury, conservative therapies and donor tissue transplantation are the most common treatments for corneal diseases. Not only is there a lack of donor tissue and risk of infection/rejection, but the inherent ability of corneal cells and layers to regenerate has led to research in regenerative approaches and treatments. METHODS In this review, we first discussed the anatomy of the cornea and the required properties for reconstructing layers of the cornea. Regenerative approaches are divided into two main categories; using direct cell/growth factor delivery or using scaffold-based cell delivery. It is expected delivered cells migrate and integrate into the host tissue and restore its structure and function to restore vision. Growth factor delivery also has shown promising results for corneal surface regeneration. Scaffold-based approaches are categorized based on the type of scaffold, since it has a significant impact on the efficiency of regeneration, into the hydrogel and non-hydrogel based scaffolds. Various types of cells, biomaterials, and techniques are well covered. RESULTS The most important characteristics to be considered for biomaterials in corneal regeneration are suitable mechanical properties, biocompatibility, biodegradability, and transparency. Moreover, a curved shape structure and spatial arrangement of the fibrils have been shown to mimic the corneal extracellular matrix for cells and enhance cell differentiation. CONCLUSION Tissue engineering and regenerative medicine approaches showed to have promising outcomes for corneal regeneration. However, besides proper mechanical and optical properties, other factors such as appropriate sterilization method, storage, shelf life and etc. should be taken into account in order to develop an engineered cornea for clinical trials.
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Affiliation(s)
- S Sharareh Mahdavi
- Department of Chemical and Petroleum Engineering, Sharif University of Technology, 1393 Azadi Ave., Tehran, 11365-11155, Iran
| | - Mohammad J Abdekhodaie
- Department of Chemical and Petroleum Engineering, Sharif University of Technology, 1393 Azadi Ave., Tehran, 11365-11155, Iran.
| | - Shohreh Mashayekhan
- Department of Chemical and Petroleum Engineering, Sharif University of Technology, 1393 Azadi Ave., Tehran, 11365-11155, Iran
| | - Alireza Baradaran-Rafii
- Ophthalmic Research Center, Shahid Beheshti University of Medical Sciences, SBUMS, Arabi Ave, Daneshjoo Blvd, Velenjak, Tehran, 19839-63113, Iran
| | - Ali R Djalilian
- Department of Ophthalmology and Visual Sciences, University of Illinois at Chicago, 1200 W Harrison St, Chicago, IL, 60607, USA
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11
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Badekila AK, Kini S, Jaiswal AK. Fabrication techniques of biomimetic scaffolds in three-dimensional cell culture: A review. J Cell Physiol 2020; 236:741-762. [PMID: 32657458 DOI: 10.1002/jcp.29935] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2020] [Accepted: 07/03/2020] [Indexed: 12/20/2022]
Abstract
In the last four decades, several researchers worldwide have routinely and meticulously exercised cell culture experiments in two-dimensional (2D) platforms. Using traditionally existing 2D models, the therapeutic efficacy of drugs has been inappropriately validated due to the failure in generating the precise therapeutic response. Fortunately, a 3D model addresses the foregoing limitations by recapitulating the in vivo environment. In this context, one has to contemplate the design of an appropriate scaffold for favoring the organization of cell microenvironment. Instituting pertinent model on the platter will pave way for a precise mimicking of in vivo conditions. It is because animal cells in scaffolds oblige spontaneous formation of 3D colonies that molecularly, phenotypically, and histologically resemble the native environment. The 3D culture provides insight into the biochemical aspects of cell-cell communication, plasticity, cell division, cytoskeletal reorganization, signaling mechanisms, differentiation, and cell death. Focusing on these criteria, this paper discusses in detail, the diversification of polymeric scaffolds based on their available resources. The paper also reviews the well-founded and latest techniques of scaffold fabrication, and their applications pertaining to tissue engineering, drug screening, and tumor model development.
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Affiliation(s)
- Anjana K Badekila
- Nitte University Centre for Science Education and Research, Nitte (Deemed to be University), Mangalore, Karnataka, India
| | - Sudarshan Kini
- Nitte University Centre for Science Education and Research, Nitte (Deemed to be University), Mangalore, Karnataka, India
| | - Amit K Jaiswal
- Centre for Biomaterials, Cellular, and Molecular Theranostics, Vellore Institute of Technology, Vellore, Tamil Nadu, India
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Islam MM, Shahruzzaman M, Biswas S, Nurus Sakib M, Rashid TU. Chitosan based bioactive materials in tissue engineering applications-A review. Bioact Mater 2020; 5:164-183. [PMID: 32083230 PMCID: PMC7016353 DOI: 10.1016/j.bioactmat.2020.01.012] [Citation(s) in RCA: 226] [Impact Index Per Article: 56.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2019] [Revised: 01/29/2020] [Accepted: 01/31/2020] [Indexed: 02/07/2023] Open
Abstract
In recent years, there have been increasingly rapid advances of using bioactive materials in tissue engineering applications. Bioactive materials constitute many different structures based upon ceramic, metallic or polymeric materials, and can elicit specific tissue responses. However, most of them are relatively brittle, stiff, and difficult to form into complex shapes. Hence, there has been a growing demand for preparing materials with tailored physical, biological, and mechanical properties, as well as predictable degradation behavior. Chitosan-based materials have been shown to be ideal bioactive materials due to their outstanding properties such as formability into different structures, and fabricability with a wide range of bioactive materials, in addition to their biocompatibility and biodegradability. This review highlights scientific findings concerning the use of innovative chitosan-based bioactive materials in the fields of tissue engineering, with an outlook into their future applications. It also covers latest developments in terms of constituents, fabrication technologies, structural, and bioactive properties of these materials that may represent an effective solution for tissue engineering materials, making them a realistic clinical alternative in the near future.
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Affiliation(s)
- Md. Minhajul Islam
- Department of Applied Chemistry and Chemical Engineering, Faculty of Engineering and Technology, University of Dhaka, Dhaka, 1000, Bangladesh
| | - Md. Shahruzzaman
- Department of Applied Chemistry and Chemical Engineering, Faculty of Engineering and Technology, University of Dhaka, Dhaka, 1000, Bangladesh
| | - Shanta Biswas
- Department of Applied Chemistry and Chemical Engineering, Faculty of Engineering and Technology, University of Dhaka, Dhaka, 1000, Bangladesh
| | - Md. Nurus Sakib
- Department of Applied Chemistry and Chemical Engineering, Faculty of Engineering and Technology, University of Dhaka, Dhaka, 1000, Bangladesh
| | - Taslim Ur Rashid
- Department of Applied Chemistry and Chemical Engineering, Faculty of Engineering and Technology, University of Dhaka, Dhaka, 1000, Bangladesh
- Fiber and Polymer Science, North Carolina State University, Campus Box 7616, Raleigh, NC, 27695, United States
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Teixeira MA, Amorim MTP, Felgueiras HP. Poly(Vinyl Alcohol)-Based Nanofibrous Electrospun Scaffolds for Tissue Engineering Applications. Polymers (Basel) 2019; 12:polym12010007. [PMID: 31861485 PMCID: PMC7023576 DOI: 10.3390/polym12010007] [Citation(s) in RCA: 82] [Impact Index Per Article: 16.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2019] [Revised: 11/21/2019] [Accepted: 12/12/2019] [Indexed: 01/27/2023] Open
Abstract
Tissue engineering (TE) holds an enormous potential to develop functional scaffolds resembling the structural organization of native tissues, to improve or replace biological functions and prevent organ transplantation. Amongst the many scaffolding techniques, electrospinning has gained widespread interest because of its outstanding features that enable the production of non-woven fibrous structures with a dimensional organization similar to the extracellular matrix. Various polymers can be electrospun in the form of three-dimensional scaffolds. However, very few are successfully processed using environmentally friendly solvents; poly(vinyl alcohol) (PVA) is one of those. PVA has been investigated for TE scaffolding production due to its excellent biocompatibility, biodegradability, chemo-thermal stability, mechanical performance and, most importantly, because of its ability to be dissolved in aqueous solutions. Here, a complete overview of the applications and recent advances in PVA-based electrospun nanofibrous scaffolds fabrication is provided. The most important achievements in bone, cartilage, skin, vascular, neural and corneal biomedicine, using PVA as a base substrate, are highlighted. Additionally, general concepts concerning the electrospinning technique, the stability of PVA when processed, and crosslinking alternatives to glutaraldehyde are as well reviewed.
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Irimia T, Ghica MV, Popa L, Anuţa V, Arsene AL, Dinu-Pîrvu CE. Strategies for Improving Ocular Drug Bioavailability and Corneal Wound Healing with Chitosan-Based Delivery Systems. Polymers (Basel) 2018; 10:E1221. [PMID: 30961146 PMCID: PMC6290606 DOI: 10.3390/polym10111221] [Citation(s) in RCA: 71] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2018] [Revised: 10/29/2018] [Accepted: 11/02/2018] [Indexed: 01/30/2023] Open
Abstract
The main inconvenience of conventional eye drops is the rapid washout of the drugs due to nasolacrimal drainage or ophthalmic barriers. The ocular drug bioavailability can be improved by either prolonging retention time in the cul-de-sac or by increasing the ocular permeability. The focus of this review is to highlight some chitosan-based drug delivery approaches that proved to have good clinical efficacy and high potential for use in ophthalmology. They are exemplified by recent studies exploring in-depth the techniques and mechanisms in order to improve ocular bioavailability of the active substances. Used alone or in combination with other compounds with synergistic action, chitosan enables ocular retention time and corneal permeability. Associated with other stimuli-responsive polymers, it enhances the mechanical strength of the gels. Chitosan and its derivatives increase drug permeability through the cornea by temporarily opening tight junctions between epithelial cells. Different types of chitosan-based colloidal systems have the potential to overcome the ocular barriers without disturbing the vision process. Chitosan also plays a key role in improving corneal wound healing by stimulating the migration of keratinocytes when it is used alone or in combination with other compounds with synergistic action.
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Affiliation(s)
- Teodora Irimia
- Department of Physical and Colloidal Chemistry, Faculty of Pharmacy, University of Medicine and Pharmacy "Carol Davila", Bucharest 020956, Romania.
| | - Mihaela Violeta Ghica
- Department of Physical and Colloidal Chemistry, Faculty of Pharmacy, University of Medicine and Pharmacy "Carol Davila", Bucharest 020956, Romania.
| | - Lăcrămioara Popa
- Department of Physical and Colloidal Chemistry, Faculty of Pharmacy, University of Medicine and Pharmacy "Carol Davila", Bucharest 020956, Romania.
| | - Valentina Anuţa
- Department of Physical and Colloidal Chemistry, Faculty of Pharmacy, University of Medicine and Pharmacy "Carol Davila", Bucharest 020956, Romania.
| | - Andreea-Letiţia Arsene
- Department of Pharmaceutical Microbiology, Faculty of Pharmacy, University of Medicine and Pharmacy "Carol Davila", Bucharest 020956, Romania.
| | - Cristina-Elena Dinu-Pîrvu
- Department of Physical and Colloidal Chemistry, Faculty of Pharmacy, University of Medicine and Pharmacy "Carol Davila", Bucharest 020956, Romania.
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