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Tavakoli J, Wang J, Chuah C, Tang Y. Natural-based Hydrogels: A Journey from Simple to Smart Networks for Medical Examination. Curr Med Chem 2020; 27:2704-2733. [PMID: 31418656 DOI: 10.2174/0929867326666190816125144] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2018] [Revised: 07/22/2019] [Accepted: 08/01/2019] [Indexed: 02/07/2023]
Abstract
Natural hydrogels, due to their unique biological properties, have been used extensively for various medical and clinical examinations that are performed to investigate the signs of disease. Recently, complex-crosslinking strategies improved the mechanical properties and advanced approaches have resulted in the introduction of naturally derived hydrogels that exhibit high biocompatibility, with shape memory and self-healing characteristics. Moreover, the creation of self-assembled natural hydrogels under physiological conditions has provided the opportunity to engineer fine-tuning properties. To highlight recent studies of natural-based hydrogels and their applications for medical investigation, a critical review was undertaken using published papers from the Science Direct database. This review presents different natural-based hydrogels (natural, natural-synthetic hybrid and complex-crosslinked hydrogels), their historical evolution, and recent studies of medical examination applications. The application of natural-based hydrogels in the design and fabrication of biosensors, catheters and medical electrodes, detection of cancer, targeted delivery of imaging compounds (bioimaging) and fabrication of fluorescent bioprobes is summarised here. Without doubt, in future, more useful and practical concepts will be derived to identify natural-based hydrogels for a wide range of clinical examination applications.
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Affiliation(s)
- Javad Tavakoli
- Institute of NanoScale Science and Technology, Medical Device Research Institute, College of Science and Engineering, Flinders University, South Australia 5042, Australia.,School of Biomedical Engineering, University of Technology Sydney, Ultimo, 2007 NSW, Australia
| | - Jing Wang
- Institute of NanoScale Science and Technology, Medical Device Research Institute, College of Science and Engineering, Flinders University, South Australia 5042, Australia.,Key Laboratory of Advanced Textile Composite Materials of Ministry of Education, Institute of Textile Composite, School of Textile, Tianjin Polytechnic University, Tianjin 300387, China
| | - Clarence Chuah
- Institute of NanoScale Science and Technology, Medical Device Research Institute, College of Science and Engineering, Flinders University, South Australia 5042, Australia
| | - Youhong Tang
- Institute of NanoScale Science and Technology, Medical Device Research Institute, College of Science and Engineering, Flinders University, South Australia 5042, Australia
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2
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Hung HS, Hsu SH. Surface Modification by Nanobiomaterials for Vascular Tissue Engineering Applications. Curr Med Chem 2020; 27:1634-1646. [DOI: 10.2174/0929867325666180914104633] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2016] [Revised: 05/17/2017] [Accepted: 06/16/2017] [Indexed: 12/13/2022]
Abstract
Treatment of cardiovascular disease has achieved great success using artificial implants,
particularly synthetic-polymer made grafts. However, thrombus formation and
restenosis are the current clinical problems need to be conquered. New biomaterials, modifying
the surface of synthetic vascular grafts, have been created to improve long-term patency
for the better hemocompatibility. The vascular biomaterials can be fabricated from synthetic
or natural polymers for vascular tissue engineering. Stem cells can be seeded by different
techniques into tissue-engineered vascular grafts in vitro and implanted in vivo to repair the
vascular tissues. To overcome the thrombogenesis and promote the endothelialization
effect, vascular biomaterials employing nanotopography are more bio-mimic to the native tissue
made and have been engineered by various approaches such as prepared as a simple surface
coating on the vascular biomaterials. It has now become an important and interesting
field to find novel approaches to better endothelization of vascular biomaterials. In this article,
we focus to review the techniques with better potential improving endothelization and summarize
for vascular biomaterial application. This review article will enable the development
of biomaterials with a high degree of originality, innovative research on novel techniques for
surface fabrication for vascular biomaterials application.
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Affiliation(s)
- Huey-Shan Hung
- Graduate Institute of Biomedical Science, China Medical University, Taichung, Taiwan, China
| | - Shan-hui Hsu
- Institute of Polymer Science and Engineering, National Taiwan University, Taipei, Taiwan, China
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3
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Kankala RK, Zhu K, Sun XN, Liu CG, Wang SB, Chen AZ. Cardiac Tissue Engineering on the Nanoscale. ACS Biomater Sci Eng 2018; 4:800-818. [DOI: 10.1021/acsbiomaterials.7b00913] [Citation(s) in RCA: 68] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Ranjith Kumar Kankala
- Institute of Biomaterials and Tissue Engineering, Huaqiao University, Xiamen 361021, P. R. China
- Fujian Provincial Key Laboratory of Biochemical Technology, Xiamen 361021, P. R. China
| | - Kai Zhu
- Department of Cardiac Surgery, Zhongshan Hospital, Fudan University, Shanghai 200032, P. R. China
- Shanghai Institute of Cardiovascular Diseases, Shanghai 200032, P. R. China
| | - Xiao-Ning Sun
- Department of Cardiac Surgery, Zhongshan Hospital, Fudan University, Shanghai 200032, P. R. China
- Shanghai Institute of Cardiovascular Diseases, Shanghai 200032, P. R. China
| | - Chen-Guang Liu
- Institute of Biomaterials and Tissue Engineering, Huaqiao University, Xiamen 361021, P. R. China
| | - Shi-Bin Wang
- Institute of Biomaterials and Tissue Engineering, Huaqiao University, Xiamen 361021, P. R. China
- Fujian Provincial Key Laboratory of Biochemical Technology, Xiamen 361021, P. R. China
| | - Ai-Zheng Chen
- Institute of Biomaterials and Tissue Engineering, Huaqiao University, Xiamen 361021, P. R. China
- Fujian Provincial Key Laboratory of Biochemical Technology, Xiamen 361021, P. R. China
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4
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Chen YW, Hsieh SC, Yang YC, Hsu SH, Kung ML, Lin PY, Hsieh HH, Lin CH, Tang CM, Hung HS. Functional engineered mesenchymal stem cells with fibronectin-gold composite coated catheters for vascular tissue regeneration. NANOMEDICINE-NANOTECHNOLOGY BIOLOGY AND MEDICINE 2018; 14:699-711. [PMID: 29325741 DOI: 10.1016/j.nano.2017.12.023] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/15/2017] [Revised: 11/20/2017] [Accepted: 12/29/2017] [Indexed: 11/30/2022]
Abstract
Vascularization of engineered tissues remains one of the key problems. Here, we described a novel approach to promote vascularization of engineered tissues using fibronectin (FN) incorporated gold nanoparticles (AuNP) coated onto catheters with mesenchymal stem cells (MSCs) for tissue engineering. We found that the FN-AuNP composite with 43.5 ppm of AuNP exhibited better biomechanical properties and thermal stability than pure FN. FN-AuNP composites promoted MSC proliferation and increased the biocompatibility. Mechanistically, vascular endothelial growth factor (VEGF) promoted MSC migration on FN-AuNP through the endothelial oxide synthase (eNOS)/metalloproteinase (MMP) signaling pathway. Vascular femoral artery tissues isolated from the implanted FN-AuNP-coated catheters with MSCs expressed substantial CD31 and alpha-smooth muscle actin (α-SMA), displayed higher antithrombotic activity, as well as better endothelialization ability than those coated with all other materials. These data suggested that the implantation of FN-AuNP-coated catheter with MSCs could be a novel strategy for vascular biomaterials applications.
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Affiliation(s)
- Yun-Wen Chen
- Department of Pharmacology, College of Medicine, National Cheng Kung University, Tainan, Taiwan, R.O.C
| | - Shu-Chen Hsieh
- Department of Chemistry, National Sun Yat-Sen University, Kaohsiung, Taiwan, R.O.C; Center for Stem Cell Research, Kaohsiung Medical University, Kaohsiung, Taiwan, R.O.C
| | - Yi-Chin Yang
- Department of Neurosurgery, Taichung Veterans General Hospital, Taichung, Taiwan, R.O.C
| | - Shan-Hui Hsu
- Institute of Polymer Science and Engineering, National Taiwan University, Taipei, Taiwan, R.O.C
| | - Mei-Lang Kung
- Department of Chemistry, National Sun Yat-Sen University, Kaohsiung, Taiwan, R.O.C
| | - Pei-Ying Lin
- Department of Chemistry, National Sun Yat-Sen University, Kaohsiung, Taiwan, R.O.C
| | - Hsien-Hsu Hsieh
- Blood Bank, Taichung Veterans General Hospital, Taichung, Taiwan, R. O. C
| | - Ching-Hao Lin
- Graduate Institute of Biomedical Science, China Medical University, Taichung, Taiwan, R.O.C
| | - Cheng-Ming Tang
- Institute of Oral Sciences, Chung Shan Medical University, Taichung, Taiwan, R.O.C
| | - Huey-Shan Hung
- Graduate Institute of Biomedical Science, China Medical University, Taichung, Taiwan, R.O.C; Translational Medicine Research, China Medical University Hospital, Taichung, Taiwan, R.O.C.
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5
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Muduli S, Chen LH, Li MP, Heish ZW, Liu CH, Kumar S, Alarfaj AA, Munusamy MA, Benelli G, Murugan K, Wang HC, Chen DC, Hsu ST, Chang SC, Higuchi A. Stem cell culture on polyvinyl alcohol hydrogels having different elasticity and immobilized with ECM-derived oligopeptides. JOURNAL OF POLYMER ENGINEERING 2017; 37:647-660. [DOI: 10.1515/polyeng-2016-0193] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/30/2023]
Abstract
Abstract
The physical characteristics of cell culture materials, such as their elasticity, affect stem cell fate with respect to cell proliferation and differentiation. We systematically investigated the morphologies and characteristics of several stem cell types, including human amniotic-derived stem cells, human hematopoietic stem cells, human induced pluripotent stem (iPS) cells, and embryonic stem (ES) cells on poly(vinyl alcohol) (PVA) hydrogels immobilized with and without extracellular matrix-derived oligopeptide. Human ES cells did not adhere well to soft PVA hydrogels immobilized with oligovitronectin, whereas they did adhere well to PVA hydrogel dishes with elasticities greater than 15 kPa. These results indicate that biomaterials such as PVA hydrogels should be designed to possess minimum elasticity to facilitate human ES cell attachment. PVA hydrogels immobilized with and without extracellular matrix-derived oligopeptides are excellent candidates of cell culture biomaterials for investigations into how cell culture biomaterial elasticity affects stem cell culture and differentiation.
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Affiliation(s)
- Saradaprasan Muduli
- Department of Chemical and Materials Engineering , National Central University , No. 300, Jhongda Rd., Jhongli, Taoyuan 32001 , Taiwan
| | - Li-Hua Chen
- Department of Chemical and Materials Engineering , National Central University , No. 300, Jhongda Rd., Jhongli, Taoyuan 32001 , Taiwan
| | - Meng-Pei Li
- Department of Chemical and Materials Engineering , National Central University , No. 300, Jhongda Rd., Jhongli, Taoyuan 32001 , Taiwan
| | - Zhao-wen Heish
- Department of Chemical and Materials Engineering , National Central University , No. 300, Jhongda Rd., Jhongli, Taoyuan 32001 , Taiwan
| | - Cheng-Hui Liu
- Department of Chemical and Materials Engineering , National Central University , No. 300, Jhongda Rd., Jhongli, Taoyuan 32001 , Taiwan
| | - Suresh Kumar
- Department of Medical Microbiology and Parasitology , Universiti Putra Malaysia , Serdang 43400 , Slangor, Malaysia
| | - Abdullah A. Alarfaj
- Department of Botany and Microbiology , King Saud University , Riyadh 11451 , Saudi Arabia
| | - Murugan A. Munusamy
- Department of Botany and Microbiology , King Saud University , Riyadh 11451 , Saudi Arabia
| | - Giovanni Benelli
- Department of Agriculture, Food and Environment , University of Pisa , via del Borghetto 80, Pisa 56124 , Italy
| | - Kadarkarai Murugan
- Division of Entomology, Department of Zoology, School of Life Sciences , Bharathiar University , Coimbatore , Tamil Nadu 641046, India
| | - Han-Chow Wang
- Hungchi Women and Children’s Hospital , No. 233, Yuanhua Rd., Jhongli , Taoyuan 320 , Taiwan
| | - Da-Chung Chen
- Department of Obstetrics and Gynecology , Taiwan Landseed Hospital, 77, Kuangtai Road, Pingjen City , Taoyuan 32405, Taiwan
| | - Shih-Tien Hsu
- Department of Internal Medicine, Taiwan Landseed Hospital , 77, Kuangtai Road , Pingjen City , Taoyuan 32405, Taiwan
| | - Shih-Chang Chang
- Department of Surgery, Cathay General Hospital , No.280, Sec. 4, Ren’ai Rd., Da’an Dist. , Taipei 10693 , Taiwan
| | - Akon Higuchi
- Department of Chemical and Materials Engineering , National Central University , No. 300, Jhongda Rd., Jhongli, Taoyuan 32001 , Taiwan
- Department of Botany and Microbiology , King Saud University , Riyadh 11451 , Saudi Arabia
- Nano Medical Engineering Laboratory , RIKEN, 2-1, Hirosawa, Wako , Saitama 351-0198 , Japan
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6
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Hsieh SC, Chen HJ, Hsu SH, Yang YC, Tang CM, Chu MY, Lin PY, Fu RH, Kung ML, Chen YW, Yeh BW, Hung HS. Prominent Vascularization Capacity of Mesenchymal Stem Cells in Collagen-Gold Nanocomposites. ACS APPLIED MATERIALS & INTERFACES 2016; 8:28982-29000. [PMID: 27714998 DOI: 10.1021/acsami.6b09330] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
The ideal characteristics of surface modification on the vascular graft for clinical application would be with excellent hemocompatibility, endothelialization capacity, and antirestenosis ability. Here, Fourier transform infrared spectroscopy (FTIR), surface enhanced Raman spectroscopy (SERS), atomic force microscopy (AFM), contact angle (θ) measurement, and thermogravimetric analysis (TGA) were used to evaluate the chemical and mechanical properties of collagen-gold nanocomposites (collagen+Au) with 17.4, 43.5, and 174 ppm of Au and suggested that the collagen+Au with 43.5 ppm of Au had better biomechanical properties and thermal stability than pure collagen. Besides, stromal-derived factor-1α (SDF-1α) at 50 ng/mL promoted the migration of mesenchymal stem cells (MSCs) on collagen+Au material through the α5β3 integrin/endothelial oxide synthase (eNOS)/metalloproteinase (MMP) signaling pathway which can be abolished by the knockdown of vascular endothelial growth factor (VEGF). The potentiality of collagen+Au with MSCs for vascular regeneration was evaluated by our in vivo rat model system. Artery tissues isolated from an implanted collagen+Au-coated catheter with MSCs expressed substantial CD-31 and α-SMA, displayed higher antifibrotic ability, antithrombotic activity, as well as anti-inflammatory response than all other materials. Our results indicated that the implantation of collagen+Au-coated catheters with MSCs could be a promising strategy for vascular regeneration.
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Affiliation(s)
- Shu-Chen Hsieh
- Department of Chemistry, National Sun Yat-Sen University , Kaohsiung, Taiwan, R.O.C
- Center for Stem Cell Research, Kaohsiung Medical University , Kaohsiung, Taiwan, R.O.C
- School of Pharmacy, College of Pharmacy, Kaohsiung Medical University , Kaohsiung, Taiwan, R.O.C
| | - Hui-Jye Chen
- Graduate Institute of Basic Medical Science, China Medical University , Taichung, Taiwan, R.O.C
| | - Shan-Hui Hsu
- Institute of Polymer Science and Engineering, National Taiwan University , Taipei, Taiwan, R.O.C
- Rehabilitation Engineering Research Center, National Taiwan University , Taipei, Taiwan, R.O.C
| | - Yi-Chin Yang
- Department of Neurosurgery, Taichung Veterans General Hospital , Taichung, Taiwan, R.O.C
| | - Cheng-Ming Tang
- Institute of Oral Sciences, Chung Shan Medical University , Taichung, Taiwan, R.O.C
| | - Mei-Yun Chu
- Graduate Institute of Basic Medical Science, China Medical University , Taichung, Taiwan, R.O.C
| | - Pei-Ying Lin
- Department of Chemistry, National Sun Yat-Sen University , Kaohsiung, Taiwan, R.O.C
| | - Ru-Huei Fu
- Graduate Institute of Immunology, China Medical University , Taichung, Taiwan, R.O.C
| | - Mei-Lang Kung
- Department of Chemistry, National Sun Yat-Sen University , Kaohsiung, Taiwan, R.O.C
| | - Yun-Wen Chen
- Department of Pharmacology, National Cheng Kung University , Tainan, Taiwan, R.O.C
| | - Bi-Wen Yeh
- Department of Urology, Kaohsiung Medical University Hospital, Kaohsiung Medical University , Kaohsiung, Taiwan, R.O.C
| | - Huey-Shan Hung
- Graduate Institute of Basic Medical Science, China Medical University , Taichung, Taiwan, R.O.C
- Translational Medicine Research, China Medical University Hospital , Taichung, Taiwan, R.O.C
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7
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Alghazali KM, Nima ZA, Hamzah RN, Dhar MS, Anderson DE, Biris AS. Bone-tissue engineering: complex tunable structural and biological responses to injury, drug delivery, and cell-based therapies. Drug Metab Rev 2015; 47:431-54. [PMID: 26651522 DOI: 10.3109/03602532.2015.1115871] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Bone loss and failure of proper bone healing continues to be a significant medical condition in need of solutions that can be implemented successfully both in human and veterinary medicine. This is particularly true when large segmental defects are present, the bone has failed to return to normal form or function, or the healing process is extremely prolonged. Given the inherent complexity of bone tissue - its unique structural, mechanical, and compositional properties, as well as its ability to support various cells - it is difficult to find ideal candidate materials that could be used as the foundation for tissue regeneration from technological platforms. Recently, important developments have been made in the implementation of complex structures built both at the macro- and the nano-level that have been shown to positively impact bone formation and to have the ability to deliver active biological molecules (drugs, growth factors, proteins, cells) for controlled tissue regeneration and the prevention of infection. These materials are diverse, ranging from polymers to ceramics and various composites. This review presents developments in this area with a focus on the role of scaffold structure and chemistry on the biologic processes that influence bone physiology and regeneration.
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Affiliation(s)
- Karrer M Alghazali
- a Center for Integrative Nanotechnology Sciences, University of Arkansas at Little Rock , Little Rock , AR , USA and
| | - Zeid A Nima
- a Center for Integrative Nanotechnology Sciences, University of Arkansas at Little Rock , Little Rock , AR , USA and
| | - Rabab N Hamzah
- a Center for Integrative Nanotechnology Sciences, University of Arkansas at Little Rock , Little Rock , AR , USA and
| | - Madhu S Dhar
- b Tissue Regeneration Laboratory, Department of Large Animal Sciences, College of Veterinary Medicine, University of Tennessee , Knoxville , TN , USA
| | - David E Anderson
- b Tissue Regeneration Laboratory, Department of Large Animal Sciences, College of Veterinary Medicine, University of Tennessee , Knoxville , TN , USA
| | - Alexandru S Biris
- a Center for Integrative Nanotechnology Sciences, University of Arkansas at Little Rock , Little Rock , AR , USA and
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8
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Bâlici Ş, Şuşman S, Rusu D, Nicula GZ, Soriţău O, Rusu M, Biris AS, Matei H. Differentiation of stem cells into insulin-producing cells under the influence of nanostructural polyoxometalates. J Appl Toxicol 2015; 36:373-84. [DOI: 10.1002/jat.3218] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2015] [Revised: 07/01/2015] [Accepted: 07/01/2015] [Indexed: 01/29/2023]
Affiliation(s)
- Ştefana Bâlici
- Department of Cell and Molecular Biology, Faculty of Medicine; “Iuliu Haţieganu” University of Medicine and Pharmacy; Cluj-Napoca România
- Department of Inorganic Chemistry, Faculty of Chemistry and Chemical Engineering; “Babeş-Bolyai” University; Cluj-Napoca România
| | - Sergiu Şuşman
- Department of Morphological Sciences, Faculty of Medicine; “Iuliu Haţieganu” University of Medicine and Pharmacy; Cluj-Napoca România
- Imogen Research Centre - Department of Pathology; Cluj-Napoca România
- Radiotherapy, Tumor and Radiobiology Laboratory; The Oncology Institute “Prof. Dr. Ion Chiricuţă”; Cluj-Napoca România
| | - Dan Rusu
- Department of Physical-Chemistry, Faculty of Pharmacy; “Iuliu Haţieganu” University of Medicine and Pharmacy; Cluj-Napoca România
| | - Gheorghe Zsolt Nicula
- Department of Cell and Molecular Biology, Faculty of Medicine; “Iuliu Haţieganu” University of Medicine and Pharmacy; Cluj-Napoca România
| | - Olga Soriţău
- Radiotherapy, Tumor and Radiobiology Laboratory; The Oncology Institute “Prof. Dr. Ion Chiricuţă”; Cluj-Napoca România
| | - Mariana Rusu
- Department of Inorganic Chemistry, Faculty of Chemistry and Chemical Engineering; “Babeş-Bolyai” University; Cluj-Napoca România
| | - Alexandru S. Biris
- Center for Integrative Nanotechnology Sciences; University of Arkansas at Little Rock; Little Rock AR USA
| | - Horea Matei
- Department of Cell and Molecular Biology, Faculty of Medicine; “Iuliu Haţieganu” University of Medicine and Pharmacy; Cluj-Napoca România
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9
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Dai Y, Guo Y, Wang C, Liu Q, Yang Y, Li S, Guo X, Lian R, Yu R, Liu H, Chen J. Non-genetic direct reprogramming and biomimetic platforms in a preliminary study for adipose-derived stem cells into corneal endothelia-like cells. PLoS One 2014; 9:e109856. [PMID: 25333522 PMCID: PMC4198143 DOI: 10.1371/journal.pone.0109856] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2014] [Accepted: 09/11/2014] [Indexed: 12/12/2022] Open
Abstract
Cell fate and function can be regulated and reprogrammed by intrinsic genetic program, extrinsic factors and niche microenvironment. Direct reprogramming has shown many advantages in the field of cellular reprogramming. Here we tried the possibility to generate corneal endothelia (CE) -like cells from human adipose-derived stem cells (ADSCs) by the non-genetic direct reprogramming of recombinant cell-penetrating proteins Oct4/Klf4/Sox2 (PTD-OKS) and small molecules (purmorphamine, RG108 and other reprogramming chemical reagents), as well as biomimetic platforms of simulate microgravity (SMG) bioreactor. Co-cultured with corneal cells and decellularized corneal ECM, Reprogrammed ADSCs revealed spherical growth and positively expressing Nanog for RT-PCR analysis and CD34 for immunofluorescence staining after 7 days-treatment of both purmorphamine and PTD-OKS (P-OKS) and in SMG culture. ADSCs changed to CEC polygonal morphology from spindle shape after the sequential non-genetic direct reprogramming and biomimetic platforms. At the same time, induced cells converted to weakly express CD31, AQP-1 and ZO-1. These findings demonstrated that the treatments were able to promote the stem-cell reprogramming for human ADSCs. Our study also indicates for the first time that SMG rotary cell culture system can be used as a non-genetic means to promote direct reprogramming. Our methods of reprogramming provide an alternative strategy for engineering patient-specific multipotent cells for cellular plasticity research and future autologous CEC replacement therapy that avoids complications associated with the use of human pluripotent stem cells.
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Affiliation(s)
- Ying Dai
- Key Laboratory for Regenerative Medicine of Ministry of Education, Jinan University, Guangzhou, China
| | - Yonglong Guo
- Key Laboratory for Regenerative Medicine of Ministry of Education, Jinan University, Guangzhou, China
| | - Chan Wang
- Key Laboratory for Regenerative Medicine of Ministry of Education, Jinan University, Guangzhou, China
| | - Qing Liu
- Ophthalmology Department, First Affiliated Hospital of Jinan University, Guangzhou, China
- Institute of Ophthalmology, Medical College, Jinan University, Guangzhou, China
| | - Yan Yang
- Ophthalmology Department, First Affiliated Hospital of Jinan University, Guangzhou, China
- Institute of Ophthalmology, Medical College, Jinan University, Guangzhou, China
| | - Shanyi Li
- Key Laboratory for Regenerative Medicine of Ministry of Education, Jinan University, Guangzhou, China
| | - Xiaoling Guo
- Key Laboratory for Regenerative Medicine of Ministry of Education, Jinan University, Guangzhou, China
| | - Ruiling Lian
- Ophthalmology Department, First Affiliated Hospital of Jinan University, Guangzhou, China
- Institute of Ophthalmology, Medical College, Jinan University, Guangzhou, China
| | - Rongjie Yu
- Bioengineering Institute of Jinan University, Guangzhou, China
| | - Hongwei Liu
- Key Laboratory for Regenerative Medicine of Ministry of Education, Jinan University, Guangzhou, China
| | - Jiansu Chen
- Key Laboratory for Regenerative Medicine of Ministry of Education, Jinan University, Guangzhou, China
- Ophthalmology Department, First Affiliated Hospital of Jinan University, Guangzhou, China
- Institute of Ophthalmology, Medical College, Jinan University, Guangzhou, China
- * E-mail:
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10
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Kutty MG, De A, Bhaduri SB, Yaghoubi A. Microwave-assisted fabrication of titanium implants with controlled surface topography for rapid bone healing. ACS APPLIED MATERIALS & INTERFACES 2014; 6:13587-93. [PMID: 25095907 DOI: 10.1021/am502967n] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/21/2023]
Abstract
Morphological surface modifications have been reported to enhance the performance of biomedical implants. However, current methods of introducing graded porosity involves postprocessing techniques that lead to formation of microcracks, delamination, loss of fatigue strength, and, overall, poor mechanical properties. To address these issues, we developed a microwave sintering procedure whereby pure titanium powder can be readily densified into implants with graded porosity in a single step. Using this approach, surface topography of implants can be closely controlled to have a distinctive combination of surface area, pore size, and surface roughness. In this study, the effect of various surface topographies on in vitro response of neonatal rat calvarial osteoblast in terms of attachment and proliferation is studied. Certain graded surfaces nearly double the chance of cell viability in early stages (∼one month) and are therefore expected to improve the rate of healing. On the other hand, while the osteoblast morphology significantly differs in each sample at different periods, there is no straightforward correlation between early proliferation and quantitative surface parameters such as average roughness or surface area. This indicates that the nature of cell-surface interactions likely depends on other factors, including spatial parameters.
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Affiliation(s)
- Muralithran G Kutty
- Department of Restorative Dentistry, Faculty of Dentistry, University of Malaya , Kuala Lumpur 50603, Malaysia
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11
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Orza A, Casciano D, Biris A. Nanomaterials for targeted drug delivery to cancer stem cells. Drug Metab Rev 2014; 46:191-206. [DOI: 10.3109/03602532.2014.900566] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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