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Brebu M, Pamfil D, Stoica I, Aflori M, Voicu G, Stoleru E. Photo-crosslinked chitosan-gelatin xerogel-like coating onto "cold" plasma functionalized poly(lactic acid) film as cell culture support. Carbohydr Polym 2024; 339:122288. [PMID: 38823936 DOI: 10.1016/j.carbpol.2024.122288] [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: 03/16/2024] [Revised: 05/13/2024] [Accepted: 05/15/2024] [Indexed: 06/03/2024]
Abstract
This paper reports on biofunctionalisation of a poly(lactic acid) (PLA) film by surface activation through cold plasma treatment followed by coating with a chitosan-gelatin xerogel. The UV cross-linking of the xerogel precursor was simultaneously performed with the fixation onto the PLA support. This has a strong effect on surface properties, in terms of wettability, surface free energy, morphology and micromechanical features. The hydrophilic - hydrophobic character of the surface, determined by contact angle measurements, was tuned along the process, passing from moderate hydrophobic PLA to enhanced hydrophilic plasma activated surface, which favors coating adhesion, then to moderate hydrophobic chitosan-gelatin coating. The coating has a Lewis amphoteric surface, with a porous xerogel-like morphology, as revealed by scanning electron microscopy images. By riboflavin mediated UV cross-linking the chitosan-gelatin coating becomes high adhesive and with a more pronounced plasticity, as shown by AFM force-distance spectroscopy. Thus prepared surface-coated PLA supports were successfully tested for growth of dermal fibroblasts, which are known for their induction potential of chondrogenic cells, which is very important in cartilage tissue engineering.
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Affiliation(s)
- Mihai Brebu
- "Petru Poni" Institute of Macromolecular Chemistry, Grigore Ghica Voda Alley, 41A, 700487, Iasi, Romania
| | - Daniela Pamfil
- "Petru Poni" Institute of Macromolecular Chemistry, Grigore Ghica Voda Alley, 41A, 700487, Iasi, Romania
| | - Iuliana Stoica
- "Petru Poni" Institute of Macromolecular Chemistry, Grigore Ghica Voda Alley, 41A, 700487, Iasi, Romania
| | - Magdalena Aflori
- "Petru Poni" Institute of Macromolecular Chemistry, Grigore Ghica Voda Alley, 41A, 700487, Iasi, Romania
| | - Geanina Voicu
- "Medical and Pharmaceutical BioNanoTechnologies" Laboratory (BioNanoMed) Institute of Cellular Biology and Pathology, "Nicolae Simionescu" 8, BP Hasdeu Street, 050568 Bucharest, Romania
| | - Elena Stoleru
- "Petru Poni" Institute of Macromolecular Chemistry, Grigore Ghica Voda Alley, 41A, 700487, Iasi, Romania.
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Arambula-Maldonado R, Mequanint K. Osteogenic Differentiation Potential of iMSCs on GelMA-BG-MWCNT Nanocomposite Hydrogels. Biomimetics (Basel) 2024; 9:338. [PMID: 38921218 PMCID: PMC11201442 DOI: 10.3390/biomimetics9060338] [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: 04/16/2024] [Revised: 05/22/2024] [Accepted: 05/29/2024] [Indexed: 06/27/2024] Open
Abstract
The ability of bone biomaterials to promote osteogenic differentiation is crucial for the repair and regeneration of osseous tissue. The development of a temporary bone substitute is of major importance in enhancing the growth and differentiation of human-derived stem cells into an osteogenic lineage. In this study, nanocomposite hydrogels composed of gelatin methacryloyl (GelMA), bioactive glass (BG), and multiwall carbon nanotubes (MWCNT) were developed to create a bone biomaterial that mimics the structural and electrically conductive nature of bone that can promote the differentiation of human-derived stem cells. GelMA-BG-MWCNT nanocomposite hydrogels supported mesenchymal stem cells derived from human induced pluripotent stem cells, hereinafter named iMSCs. Cell adhesion was improved upon coating nanocomposite hydrogels with fibronectin and was further enhanced when seeding pre-differentiated iMSCs. Osteogenic differentiation and mature mineralization were promoted in GelMA-BG-MWCNT nanocomposite hydrogels and were most evidently observed in the 70-30-2 hydrogels, which could be due to the stiff topography characteristic from the addition of MWCNT. Overall, the results of this study showed that GelMA-BG-MWCNT nanocomposite hydrogels coated with fibronectin possessed a favorable environment in which pre-differentiated iMSCs could better attach, proliferate, and further mature into an osteogenic lineage, which was crucial for the repair and regeneration of bone.
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Affiliation(s)
- Rebeca Arambula-Maldonado
- School of Biomedical Engineering, The University of Western Ontario, 1151 Richmond Street, London, ON N6A 5B9, Canada;
| | - Kibret Mequanint
- School of Biomedical Engineering, The University of Western Ontario, 1151 Richmond Street, London, ON N6A 5B9, Canada;
- Department of Chemical and Biochemical Engineering, The University of Western Ontario, 1151 Richmond Street, London, ON N6A 5B9, Canada
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Zhao X, Hu L, Liu G, Yin X, Gong Q, Li Y, Li Q, Zhou Y, Sun Y, Guo C, Du Z. Fibronectin binds integrin α5β1 to regulate macular neovascularization through the Wnt/β-catenin signaling pathway. Exp Eye Res 2024; 242:109880. [PMID: 38552713 DOI: 10.1016/j.exer.2024.109880] [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: 11/22/2023] [Revised: 03/26/2024] [Accepted: 03/26/2024] [Indexed: 04/04/2024]
Abstract
Age-related macular degeneration (AMD) is a progressive, degenerative disease of the macula. The formation of macular neovascularization (MNV) and subretinal fibrosis of AMD is the most classic cause of the loss of vision in older adults worldwide. While the underlying causes of MNV and subretinal fibrosis remain elusive, the common feature of many common retinal diseases is changes the proportions of protein deposition in extracellular matrix (ECM) when compared to normal tissue. In ECM, fibronectin (FN) is a crucial component and plays a pivotal part not only in fibrotic diseases but also in the process of angiogenesis. The study aims to understand the role of ligand FN and its common integrin receptor α5β1 on MNV, and to understand the molecular mechanism involved. To study this, the laser-induced MNV mouse model and the rhesus macaque choroid-retinal endothelial cell line (RF/6A) chemical hypoxia mode were established, and the FN-α5β1 expression levels were detected by immunohistochemistry (IHC) and quantitative real-time PCR analysis (qRT-PCR). Fibronectin expression was silenced using small interfering RNA (siRNA) targeting FN. The tube formation and vitro scratch assays were used to assess the ability to form blood vessels and cell migration. To measure the formation of MNV, immunofluorescence, and Western blot assays were used. These results revealed that the expressions of FN and integrin α5β1 were distinctly increased in the laser-induced MNV mouse model and in the RF/6A cytochemically induced hypoxia model, and the expression tendency was identical. After the use of FN siRNA, the tube formation and migration abilities of the RF/6A cells were lower, the ability of endothelial cells to proliferate was confined and the scope of damage caused by the laser in animal models was significantly cut down. In addition, FN gene knockdown dramatically inhibited the expression of Wnt/β-catenin signal. The interaction of FN with the integrin receptor α5β1 in the constructed model, which may act through the Wnt/β-catenin signaling pathway, was confirmed in this study. In conclusion, FN may be a potential new molecular target for the prevention and treatment of subretinal fibrosis and MNV.
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Affiliation(s)
- Xiaoran Zhao
- Department of Ophthalmology, The Affiliated Hospital of Qingdao University, 16 Jiangsu Road, Qingdao, 266003, China
| | - Liting Hu
- Department of Ophthalmology, The Affiliated Hospital of Qingdao University, 16 Jiangsu Road, Qingdao, 266003, China
| | - Guibo Liu
- Department of Ophthalmology, The Affiliated Hospital of Qingdao University, 16 Jiangsu Road, Qingdao, 266003, China
| | - Xiaoni Yin
- Department of Ophthalmology, The Affiliated Hospital of Qingdao University, 16 Jiangsu Road, Qingdao, 266003, China
| | - Qingyun Gong
- Department of Ophthalmology, The Affiliated Hospital of Qingdao University, 16 Jiangsu Road, Qingdao, 266003, China
| | - Ying Li
- Department of Ophthalmology, Linyi People's Hospital, Jiefang Road Number 27, Lanshan District, Linyi, 276003, Shandong, China
| | - Qinghua Li
- Department of Ophthalmology, The Affiliated Hospital of Qingdao University, 16 Jiangsu Road, Qingdao, 266003, China
| | - Yuzheng Zhou
- Department of Ophthalmology, The Affiliated Hospital of Qingdao University, 16 Jiangsu Road, Qingdao, 266003, China
| | - Yibin Sun
- Department of Ophthalmology, The Affiliated Hospital of Qingdao University, 16 Jiangsu Road, Qingdao, 266003, China
| | - Chunyan Guo
- People's Hospital of Dingxi, Dingxi, 743000, Gansu Province, China.
| | - Zhaodong Du
- Department of Ophthalmology, The Affiliated Hospital of Qingdao University, 16 Jiangsu Road, Qingdao, 266003, China.
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Torres-Claramunt R, Alós-Mairal J, Ibáñez M, Perelli S, Gelber P, Monllau JC. Clinical Outcomes After Polyurethane Meniscal Scaffolds Implantation Remain Stable Despite a Joint Space Narrowing at 10-Year Follow-Up. Arthroscopy 2024; 40:1256-1261. [PMID: 37716635 DOI: 10.1016/j.arthro.2023.08.081] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/09/2022] [Revised: 08/23/2023] [Accepted: 08/28/2023] [Indexed: 09/18/2023]
Abstract
PURPOSE To report the clinical outcomes, radiologic evolution, and survivorship of a series of patients affected by the postmeniscectomy syndrome and treated with a polyurethane scaffold at a minimum 10-year follow-up. In addition, the radiologic evolution of these patients was also assessed. METHODS All the patients operated on with a polyurethane meniscal scaffold implantation to treat postmeniscectomy syndrome from 2008 to 2011 were prospectively followed. Clinical evaluations and radiologic studies were assessed at the preoperative period, at 5-year follow-up, and at minimum 10-year follow-up. Clinical outcomes were based on patient-reported outcomes (e.g., the Knee injury and Osteoarthritis Outcome Score, International Knee Documentation Committee, Lysholm, and Tegner). Radiographical evaluation of the joint-space narrowing was done in the Rosenberg view. Failure was defined as patients who required surgery to remove the scaffold or those patients who needed surgery for a total or partial knee replacement. RESULTS Twenty-one of 27 patients, with a mean age of 56 ± 9.8 years, were available for the final follow-up. The mean follow-up was 11.8 (range, 10-12.7) years. Six patients were lost to follow-up. All functional scores showed a significant improvement (P < .001) at the 5- and 10-year follow-up. The exception was the Tegner score, which remained stable. The joint-space width was maintained from the preoperative period (1.9 ± 1.2 mm) up to the 5-year follow-up (1.3 ± 1.5 mm, P = .3) and decreased by the last evaluation (0.6 ± 1.2 mm, P = .001) at the last follow-up. Two (9.5%) of 21 patients were converted to a total knee replacement during the study period. None of the other patients needed revision surgery during the study period. CONCLUSIONS The polyurethane meniscal scaffold provides significant and stable pain relief over time and improved functional outcomes at a minimum of 10 years after surgery. However, degenerative changes progressed in the treated compartment, with a joint-space narrowing over the 10-year period. LEVEL OF EVIDENCE Level IV, retrospective case series.
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Affiliation(s)
- Raúl Torres-Claramunt
- Orthopaedic Department, Hospital del Mar, Universitat Autònoma Barcelona, Spain; IMIM (Hospital del Mar Medical Research Institute), Barcelona, Spain; Orthopaedic Department, ICATME-Institut Universitari Quirón-Dexeus, Universitat Autònoma Barcelona, Barcelona, Spain.
| | - Judith Alós-Mairal
- Orthopaedic Department, Hospital del Mar, Universitat Autònoma Barcelona, Spain
| | - Maximiliano Ibáñez
- Orthopaedic Department, ICATME-Institut Universitari Quirón-Dexeus, Universitat Autònoma Barcelona, Barcelona, Spain
| | - Simone Perelli
- Orthopaedic Department, Hospital del Mar, Universitat Autònoma Barcelona, Spain; Orthopaedic Department, ICATME-Institut Universitari Quirón-Dexeus, Universitat Autònoma Barcelona, Barcelona, Spain
| | - Pablo Gelber
- Orthopaedic Department, Hospital de la Santa Creu i Sant Pau, Universitat Autònoma de Barcelona, Barcelona, Spain
| | - Joan Carles Monllau
- Orthopaedic Department, Hospital del Mar, Universitat Autònoma Barcelona, Spain; IMIM (Hospital del Mar Medical Research Institute), Barcelona, Spain; Orthopaedic Department, ICATME-Institut Universitari Quirón-Dexeus, Universitat Autònoma Barcelona, Barcelona, Spain
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Accolla RP, Deller M, Lansberry TR, Simmons A, Liang JP, Patel SN, Jiang K, Stabler CL. 3D printed elastomeric biomaterial mitigates compaction during in vitro vasculogenesis. Acta Biomater 2023; 171:363-377. [PMID: 37739251 PMCID: PMC11146342 DOI: 10.1016/j.actbio.2023.09.026] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2023] [Revised: 09/11/2023] [Accepted: 09/15/2023] [Indexed: 09/24/2023]
Abstract
A key parameter for the success of most cellular implants is the formation of a complete and comprehensive intra-implant vessel network. Pre-vascularization, the generation of vessel structures in vitro prior to transplantation, provides accelerated implant perfusion via anastomosis, but scalability and ease of integration hinder clinical translation. For fibrin-based vasculogenesis approaches, the remodeling and degradation of the fragile, hydrogel matrix during the formation of vessel-like structures results in rapid, cell-mediated construct compaction leading to dense, capillary-like structures with ineffective network coverage. To resolve these challenges, vasculogenic hydrogels were embedded within a highly porous, biostable three-dimensional (3D) polydimethylsiloxane (PDMS) scaffold. Using reverse-casting of 3D-printed molds, scaffolds exhibited highly interconnected and reproducible pore structures. Pore size was optimized via in vivo screening of intra-device angiogenesis. The inclusion of the PDMS frame with vasculogenic hydrogels significantly reduced fibrin compaction in vitro, resulting in easily manipulated constructs with predictable dimensionality and increased surface area compared to fibrin hydrogel alone. Globally, vascular morphogenesis was altered by the PDMS frame, with significantly larger and less dense network structures. Vasculogenic proteomic evaluation showed a temporal impact of the addition of the PDMS frame, indicating altered cellular proliferation and migration signaling. This work establishes a platform for improving the generation of translational pre-vascularized networks for greater flexibility to meet the needs of clinically scaled, engineered tissues. STATEMENT OF SIGNIFICANCE: Competent intra-implant vascularization is a significant issue hindering the success of engineered tissues. Pre-vascularization approaches, whereby a vascular network is formed in vitro and subsequently implanted into the host to anastomose, is a promising approach but it is limited by the compacted, dense, and poorly functional microcapillary structures typically formed using soft hydrogels. Herein, we have uniquely addressed this challenge by adding a 3D printed PDMS-based open framework structure that serves to prevent hydrogel compaction. Globally, we observed distinct differences in overall construct geometry, vascular network density, compaction, and morphogenesis, indicating that this PDMS framework lead to elevated maturity of this in vitro network while retaining its global dimensions. Overall, this novel approach elevates the translational potential of pre-vascularized constructs.
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Affiliation(s)
- Robert P Accolla
- J. Crayton Pruitt Family Department of Biomedical Engineering, University of Florida, Gainesville, FL, USA
| | - Madison Deller
- J. Crayton Pruitt Family Department of Biomedical Engineering, University of Florida, Gainesville, FL, USA
| | - Taylor R Lansberry
- J. Crayton Pruitt Family Department of Biomedical Engineering, University of Florida, Gainesville, FL, USA
| | - Amberlyn Simmons
- J. Crayton Pruitt Family Department of Biomedical Engineering, University of Florida, Gainesville, FL, USA
| | - Jia-Pu Liang
- J. Crayton Pruitt Family Department of Biomedical Engineering, University of Florida, Gainesville, FL, USA
| | - Smit N Patel
- J. Crayton Pruitt Family Department of Biomedical Engineering, University of Florida, Gainesville, FL, USA
| | - Kaiyuan Jiang
- J. Crayton Pruitt Family Department of Biomedical Engineering, University of Florida, Gainesville, FL, USA
| | - Cherie L Stabler
- J. Crayton Pruitt Family Department of Biomedical Engineering, University of Florida, Gainesville, FL, USA; Department of Immunology and Pathology, College of Medicine, University of Florida, Gainesville, FL, USA; University of Florida Diabetes Institute, Gainesville, FL, USA.
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Torres-Claramunt R, Martínez-Díaz S, Sánchez-Soler JF, Tio-Barrera L, Arredondo R, Triginer L, Monllau JC. Fibronectin-coated polyurethane meniscal scaffolding supplemented with MSCs improves scaffold integration and proteoglycan production in a rabbit model. Knee Surg Sports Traumatol Arthrosc 2023; 31:5104-5110. [PMID: 37725106 DOI: 10.1007/s00167-023-07562-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/10/2023] [Accepted: 08/30/2023] [Indexed: 09/21/2023]
Abstract
PURPOSE The role of mesenchymal stem cells (MSC) in supporting the formation of new meniscal tissue in a meniscal scaffold is not well understood. The objective of this study was to assess the quality of the meniscal tissue produced in a fibronectin (FN)-coated polyurethane (PU) meniscal scaffold after a meniscal injury was made in an experimental rabbit model. METHODS Twelve New Zealand white rabbits were divided in two groups after performing a medial meniscectomy of the anterior horn. In group 1, the meniscal defect was reconstructed with a non-MSC supplemented FN-coated PU scaffold. On the other hand, the same scaffold supplemented with MSCs was used in group 2. The animals were sacrificed at 12 week after index surgery. A modified scoring system was used for histological assessment. This new scoring (ranging from 0 to 15) includes a structural evaluation (meniscal scaffold interface and extracellular matrix production) and tissue quality evaluation (proteoglycan and type I-collagen content). RESULTS The meniscal scaffold was found loose in the joint in three cases, corresponding to two cases in group 1 and 1 case in group 2. No differences were observed between the groups in terms of the total score (7.0 ± 0.9 vs. 9.4 ± 2.6, p = 0.09). However, differences were observed in group 2 in which 2 out of the 5 scored items, scaffold integration (1 ± 0.0 vs. 1.9 ± 0.6, p = 0.03) and proteoglycan production (1.2 ± 0.3 vs. 2.4 ± 0.2, p = 0.001). A trend to a higher production of Type I-Collagen production was also observed in group 2 (1.1 ± 0.4 vs. 1.4 ± 0.7, p = 0.05). CONCLUSION In a rabbit model at 12 weeks, the adhesion of MSCs to a FN-coated PU scaffold improves scaffold integration, proteoglycan production and the characteristics of the new meniscal-like tissue obtained when compared to a non-supplemented scaffold. This fact could be a major step toward improving the adhesion of the MSCs to meniscal scaffolds and, consequently, the obtention of better quality meniscal tissue.
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Affiliation(s)
- Raúl Torres-Claramunt
- Orthopaedic Department, Hospital del Mar, Universitat Autònoma Barcelona, Passeig Marítim de la Barceloneta 25-29, 08003, Barcelona, Spain.
- IMIM (Hospital del Mar Medical Research Institute), C/Dr. Aiguader 88, 08003, Barcelona, Spain.
- Orthopaedic Department, ICATME-Institut Universitari Quirón-Dexeus, Universitat Autònoma Barcelona, C/ Sabino de Arana 5-19, 08028, Barcelona, Spain.
| | - Santos Martínez-Díaz
- Orthopaedic Department, Hospital del Mar, Universitat Autònoma Barcelona, Passeig Marítim de la Barceloneta 25-29, 08003, Barcelona, Spain
- IMIM (Hospital del Mar Medical Research Institute), C/Dr. Aiguader 88, 08003, Barcelona, Spain
| | - Juan F Sánchez-Soler
- Orthopaedic Department, Hospital del Mar, Universitat Autònoma Barcelona, Passeig Marítim de la Barceloneta 25-29, 08003, Barcelona, Spain
- IMIM (Hospital del Mar Medical Research Institute), C/Dr. Aiguader 88, 08003, Barcelona, Spain
| | - Laura Tio-Barrera
- IMIM (Hospital del Mar Medical Research Institute), C/Dr. Aiguader 88, 08003, Barcelona, Spain
| | - Raquel Arredondo
- IMIM (Hospital del Mar Medical Research Institute), C/Dr. Aiguader 88, 08003, Barcelona, Spain
| | - Laura Triginer
- IMIM (Hospital del Mar Medical Research Institute), C/Dr. Aiguader 88, 08003, Barcelona, Spain
| | - Joan C Monllau
- IMIM (Hospital del Mar Medical Research Institute), C/Dr. Aiguader 88, 08003, Barcelona, Spain
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Zhou F, Sun J, Ye L, Jiang T, Li W, Su C, Ren S, Wu F, Zhou C, Gao G. Fibronectin promotes tumor angiogenesis and progression of non-small-cell lung cancer by elevating WISP3 expression via FAK/MAPK/ HIF-1α axis and activating wnt signaling pathway. Exp Hematol Oncol 2023; 12:61. [PMID: 37468964 DOI: 10.1186/s40164-023-00419-w] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2022] [Accepted: 06/02/2023] [Indexed: 07/21/2023] Open
Abstract
BACKGROUND Fibronectin, an extracellular matrix protein, has been reported to be associated with heterogeneous cancer stemness, angiogenesis and progression in multiple cancer types. However, the roles and the underlying mechanism of fibronectin on the progression NSCLC need to be further elucidated. METHODS Public dataset such as Kaplan-Meier Plotter was used to determine the prognostic significance of genes. The correlation of different protein expression in clinical and xenograft tissues was tested by immunohistochemistry experiment. Both in vitro and in vivo experiments were performed to determine the role of fibronectin on the tumor growth, metastasis, and angiogenesis in NSCLC. The activation of key signaling pathway under fibronectin was examined by WB assay. RNA-seq was applicated to screening the target gene of fibronectin. Rescue experiment was performed to confirm the role of target gene in fibronectin-mediated function in NSCLC. Finally, luciferase and CHIP assays were used to elucidate the mechanism by which fibronectin regulated the target gene. RESULTS Our results revealed that fibronectin was up-regulated in cancer tissues compared with the normal ones in NSCLC patients. Dish- coated fibronectin enhanced the tumor growth, metastasis, and angiogenesis of NSCLC in vitro and in vivo by promoting EMT and maintaining stemness of NSCLC cells. As expected, fibronectin activated FAK and its downstream MAPK/ERK signaling pathway. WISP3 was screened as a potential target gene of fibronectin. Interestingly, WISP3 effectively activated Wnt signaling pathway, and knockdown of WISP3 effectively blocked the influence of fibronectin on the migration, invasion and vascular structure formation potential of NSCLC cells. Our data also manifested that fibronectin elevated the transcription of WISP3 gene by promoting the binding of HIF-1α to the promoter region of WISP3 in NSCLC cells. CONCLUSIONS Our findings sketched the outline of the route for fibronectin exert its role in NSCLC, in which fibronectin activated downstream FAK and MAPK/ERK signaling pathways, and mediated the accumulation of HIF-1α. Then, HIF-1α enabled the transcription of WISP3, and subsequently promoted the activation of Wnt signaling pathway, and finally enhanced the tumor growth, metastasis, and angiogenesis in NSCLC.
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Affiliation(s)
- Fei Zhou
- Department of Oncology, Shanghai Pulmonary Hospital & Thoracic Cancer Institute, Tongji University School of Medicine, Shanghai, China
| | - Jianguo Sun
- Precision Medicine Center, Taizhou Central Hospital (Taizhou University Hospital), Taizhou, Zhejiang, P R China
| | - Lingyun Ye
- Department of Oncology, Shanghai Pulmonary Hospital & Thoracic Cancer Institute, Tongji University School of Medicine, Shanghai, China
| | - Tao Jiang
- Department of Oncology, Shanghai Pulmonary Hospital & Thoracic Cancer Institute, Tongji University School of Medicine, Shanghai, China
| | - Wei Li
- Department of Oncology, Shanghai Pulmonary Hospital & Thoracic Cancer Institute, Tongji University School of Medicine, Shanghai, China
| | - Chunxia Su
- Department of Oncology, Shanghai Pulmonary Hospital & Thoracic Cancer Institute, Tongji University School of Medicine, Shanghai, China
| | - Shengxiang Ren
- Department of Oncology, Shanghai Pulmonary Hospital & Thoracic Cancer Institute, Tongji University School of Medicine, Shanghai, China
| | - Fengying Wu
- Department of Oncology, Shanghai Pulmonary Hospital & Thoracic Cancer Institute, Tongji University School of Medicine, Shanghai, China.
| | - Caicun Zhou
- Department of Oncology, Shanghai Pulmonary Hospital & Thoracic Cancer Institute, Tongji University School of Medicine, Shanghai, China.
| | - Guanghui Gao
- Department of Oncology, Shanghai Pulmonary Hospital & Thoracic Cancer Institute, Tongji University School of Medicine, Shanghai, China.
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Canciani E, Straticò P, Varasano V, Dellavia C, Sciarrini C, Petrizzi L, Rimondini L, Varoni EM. Polylevolysine and Fibronectin-Loaded Nano-Hydroxyapatite/PGLA/Dextran-Based Scaffolds for Improving Bone Regeneration: A Histomorphometric in Animal Study. Int J Mol Sci 2023; 24:ijms24098137. [PMID: 37175849 PMCID: PMC10179305 DOI: 10.3390/ijms24098137] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2023] [Revised: 04/21/2023] [Accepted: 04/27/2023] [Indexed: 05/15/2023] Open
Abstract
The regeneration of large bone defects is still demanding, requiring biocompatible scaffolds, with osteoconductive and osteoinductive properties. This study aimed to assess the pre-clinical efficacy of a nano-hydroxyapatite (nano-HA)/PGLA/dextran-based scaffold loaded with Polylevolysine (PLL) and fibronectin (FN), intended for bone regeneration of a critical-size tibial defect, using an ovine model. After physicochemical characterization, the scaffolds were implanted in vivo, producing two monocortical defects on both tibiae of ten adult sheep, randomly divided into two groups to be euthanized at three and six months after surgery. The proximal left and right defects were filled, respectively, with the test scaffold (nano-HA/PGLA/dextran-based scaffold loaded with PLL and FN) and the control scaffold (nano-HA/PGLA/dextran-based scaffold not loaded with PLL and FN); the distal defects were considered negative control sites, not receiving any scaffold. Histological and histomorphometric analyses were performed to quantify the bone ingrowth and residual material 3 and 6 months after surgery. In both scaffolds, the morphological analyses, at the SEM, revealed the presence of submicrometric crystals on the surfaces and within the scaffolds, while optical microscopy showed a macroscopic 3D porous architecture. XRD confirmed the presence of nano-HA with a high level of crystallinity degree. At the histological and histomorphometric evaluation, new bone formation and residual biomaterial were detectable inside the defects 3 months after intervention, without differences between the scaffolds. At 6 months, the regenerated bone was significantly higher in the defects filled with the test scaffold (loaded with PLL and FN) than in those filled with the control scaffold, while the residual material was higher in correspondence to the control scaffold. Nano-HA/PGLA/dextran-based scaffolds loaded with PLL and FN appear promising in promoting bone regeneration in critical-size defects, showing balanced regenerative and resorbable properties to support new bone deposition.
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Affiliation(s)
- Elena Canciani
- Department of Health Sciences, Università del Piemonte Orientale, 28100 Novara, Italy
| | - Paola Straticò
- Department of Veterinary Medicine, University of Teramo, 64100 Teramo, Italy
| | - Vincenzo Varasano
- Department of Veterinary Medicine, University of Teramo, 64100 Teramo, Italy
| | - Claudia Dellavia
- Department of Biomedical, Surgical and Dental Sciences, Università degli Studi di Milano, 20142 Milan, Italy
| | - Chiara Sciarrini
- Department of Veterinary Medicine, University of Teramo, 64100 Teramo, Italy
| | - Lucio Petrizzi
- Department of Veterinary Medicine, University of Teramo, 64100 Teramo, Italy
| | - Lia Rimondini
- Department of Health Sciences, Università del Piemonte Orientale, 28100 Novara, Italy
| | - Elena M Varoni
- Department of Biomedical, Surgical and Dental Sciences, Università degli Studi di Milano, 20142 Milan, Italy
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Kohannezhad K, Norouzi S, Tafazoli M, Soleymani S, Shahri NM, Tavassoli A. The in vitro analysis of migration and polarity of blastema cells in the extracellular matrix derived from bovine mesenteric in the presence of fibronectin. Anat Cell Biol 2022; 55:229-238. [PMID: 35668476 PMCID: PMC9256490 DOI: 10.5115/acb.21.233] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2021] [Revised: 01/19/2022] [Accepted: 02/28/2022] [Indexed: 11/27/2022] Open
Abstract
Cell migration is an essential process in embryonic development, wound healing, and pathological conditions. Our knowledge of cell migration is often based on the two dimentional evaluation of cell movement, which usually differs from what occurred in vivo. In this study, we investigated cellular migration from blastema tissue toward bovine decellularized mesentery tissue. In this regard, fibronectin (FN) was assessed to confirm cell migration. Therefore, we established a cell migration model using blastema cells migration toward the extracellular matrix derived from bovine mesenteric tissue. A physiochemical decellularization method was utilized based on freeze-thaw cycles and agitation in sodium dodecyl sulfate and Triton X-100 to remove cells from the extracellular matrix (ECM) of bovine mesenteric tissue. These types of matrices were assembled by the rings of blastema tissues originated from the of New Zealand rabbits pinna and cultured in a medium containing FN in different days in vitro, and then they are histologically evaluated, and the expression of the Tenascin C gene is analyzed. By means of tissue staining and after confirmation of the cell removal from mesenteric tissue, polarity, and migration of blastema cells was observed in the interaction site with this matrix. Also, the expression of the Tenascin C gene was assessed on days 15 and 21 following the cell culture process. The results showed that the three dimentional model of cellular migration of blastema cells along with the ECM could be a suitable model for investigating cell behaviors, such as polarity and cell migration in vitro.
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Affiliation(s)
- Kamelia Kohannezhad
- Department of Biology, Kavian Institute of Higher Education, Mashhad, Iran.,Department of Biology, Faculty of Sciences, Ferdowsi University of Mashhad, Mashhad, Iran
| | - Soroush Norouzi
- Department of Biology, Kavian Institute of Higher Education, Mashhad, Iran.,Department of Biology, Faculty of Sciences, Ferdowsi University of Mashhad, Mashhad, Iran
| | - Maryam Tafazoli
- Department of Biology, Kavian Institute of Higher Education, Mashhad, Iran.,Department of Biology, Faculty of Sciences, Ferdowsi University of Mashhad, Mashhad, Iran
| | - Safoura Soleymani
- Division of Biotechnology, Faculty of Veterinary Medicine, Ferdowsi University of Mashhad, Mashhad, Iran
| | - Nasser Mahdavi Shahri
- Department of Biology, Kavian Institute of Higher Education, Mashhad, Iran.,Department of Biology, Faculty of Sciences, Ferdowsi University of Mashhad, Mashhad, Iran
| | - Amin Tavassoli
- Department of Biology, Kavian Institute of Higher Education, Mashhad, Iran.,Division of Biotechnology, Faculty of Veterinary Medicine, Ferdowsi University of Mashhad, Mashhad, Iran
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Tan Q, Wu C, Li L, Liang Y, Bai X, Shao W. Stem Cells as a Novel Biomedicine for the Repair of Articular Meniscus: Pharmacology and Applications. Front Pharmacol 2022; 13:897635. [PMID: 35559234 PMCID: PMC9086353 DOI: 10.3389/fphar.2022.897635] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2022] [Accepted: 03/23/2022] [Indexed: 11/13/2022] Open
Affiliation(s)
- Qiaoyin Tan
- College of Teacher Education, Zhejiang Normal University, Jinhua, China
| | - Cuicui Wu
- College of Physical Education and Health Sciences, Zhejiang Normal University, Jinhua, China
| | - Lei Li
- College of Physical Education and Health Sciences, Zhejiang Normal University, Jinhua, China
| | - Yijie Liang
- Nova Doctors Group, Hunan Carnation Biotechnology Co., Ltd., Carnation Hospital, Changsha, China
| | - Xiaoyong Bai
- Nova Doctors Group, Hunan Carnation Biotechnology Co., Ltd., Carnation Hospital, Changsha, China
| | - Weide Shao
- College of Physical Education and Health Sciences, Zhejiang Normal University, Jinhua, China
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