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Milián L, Oliver-Ferrándiz M, Peregrín I, Sancho-Tello M, Martín-de-Llano JJ, Martínez-Ramos C, Carda C, Mata M. Alginate Improves the Chondrogenic Capacity of 3D PCL Scaffolds In Vitro: A Histological Approach. Curr Issues Mol Biol 2024; 46:3563-3578. [PMID: 38666953 PMCID: PMC11048942 DOI: 10.3390/cimb46040223] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2024] [Revised: 03/27/2024] [Accepted: 04/17/2024] [Indexed: 04/28/2024] Open
Abstract
Polycaprolactone (PCL) scaffolds have demonstrated an effectiveness in articular cartilage regeneration due to their biomechanical properties. On the other hand, alginate hydrogels generate a 3D environment with great chondrogenic potential. Our aim is to generate a mixed PCL/alginate scaffold that combines the chondrogenic properties of the two biomaterials. Porous PCL scaffolds were manufactured using a modified salt-leaching method and embedded in a culture medium or alginate in the presence or absence of chondrocytes. The chondrogenic capacity was studied in vitro. Type II collagen and aggrecan were measured by immunofluorescence, cell morphology by F-actin fluorescence staining and gene expression of COL1A1, COL2A1, ACAN, COL10A1, VEGF, RUNX1 and SOX6 by reverse transcription polymerase chain reaction (RT-PCR). The biocompatibility of the scaffolds was determined in vivo using athymic nude mice and assessed by histopathological and morphometric analysis. Alginate improved the chondrogenic potential of PCL in vitro by increasing the expression of type II collagen and aggrecan, as well as other markers related to chondrogenesis. All scaffolds showed good biocompatibility in the in vivo model. The presence of cells in the scaffolds induced an increase in vascularization of the PCL/alginate scaffolds. The results presented here reinforce the benefits of the combined use of PCL and alginate for the regeneration of articular cartilage.
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Affiliation(s)
- Lara Milián
- Department of Pathology, Faculty of Medicine and Dentistry, Universitat de València, Blasco Ibáñez Avenue, 15, 46010 Valencia, Spain
- INCLIVA Biomedical Research Institute, Menéndez y Pelayo Street, 4, 46010 Valencia, Spain
| | - María Oliver-Ferrándiz
- Department of Pathology, Faculty of Medicine and Dentistry, Universitat de València, Blasco Ibáñez Avenue, 15, 46010 Valencia, Spain
| | - Ignacio Peregrín
- INCLIVA Biomedical Research Institute, Menéndez y Pelayo Street, 4, 46010 Valencia, Spain
- IMED Hospital, 46100 Valencia, Spain
| | - María Sancho-Tello
- Department of Pathology, Faculty of Medicine and Dentistry, Universitat de València, Blasco Ibáñez Avenue, 15, 46010 Valencia, Spain
- INCLIVA Biomedical Research Institute, Menéndez y Pelayo Street, 4, 46010 Valencia, Spain
| | - José Javier Martín-de-Llano
- Department of Pathology, Faculty of Medicine and Dentistry, Universitat de València, Blasco Ibáñez Avenue, 15, 46010 Valencia, Spain
- INCLIVA Biomedical Research Institute, Menéndez y Pelayo Street, 4, 46010 Valencia, Spain
| | - Cristina Martínez-Ramos
- Centro de Biomateriales e Ingeniería Tisular (CBIT), Universitat Politècnica de València, Camino de Vera, s/n Ciudad Politécnica de la Innovación, Edificio 8E. Acceso F. Nivel 1, 46022 Valencia, Spain
- Biomedical Research Networking Center on Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN), 28029 Madrid, Spain
| | - Carmen Carda
- Department of Pathology, Faculty of Medicine and Dentistry, Universitat de València, Blasco Ibáñez Avenue, 15, 46010 Valencia, Spain
- INCLIVA Biomedical Research Institute, Menéndez y Pelayo Street, 4, 46010 Valencia, Spain
- Biomedical Research Networking Center on Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN), 28029 Madrid, Spain
| | - Manuel Mata
- Department of Pathology, Faculty of Medicine and Dentistry, Universitat de València, Blasco Ibáñez Avenue, 15, 46010 Valencia, Spain
- INCLIVA Biomedical Research Institute, Menéndez y Pelayo Street, 4, 46010 Valencia, Spain
- Biomedical Research Networking Center on Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN), 28029 Madrid, Spain
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Hoveizi E. Enhancement of nerve regeneration through schwann cell-mediated healing in a 3D printed polyacrylonitrile conduit incorporating hydrogel and graphene quantum dots: a study on rat sciatic nerve injury model. Biomed Mater 2023; 19:015012. [PMID: 38091624 DOI: 10.1088/1748-605x/ad1576] [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: 09/09/2023] [Accepted: 12/13/2023] [Indexed: 12/22/2023]
Abstract
Despite recent technological advancements, effective healing from sciatic nerve damage remains inadequate. Cell-based therapies offer a promising alternative to autograft restoration for peripheral nerve injuries, and 3D printing techniques can be used to manufacture conduits with controlled diameter and size. In this study, we investigated the potential of Wharton's jelly-derived mesenchymal stem cells (WJMSCs) differentiated into schwann cells, using a polyacrylonitrile (PAN) conduit filled with fibrin hydrogel and graphene quantum dots (GQDs) to promote nerve regeneration in a rat sciatic nerve injury model. We investigated the potential of WJMSCs, extracted from the umbilical cord, to differentiate into schwann cells and promote nerve regeneration in a rat sciatic nerve injury model. WJMSCs were 3D cultured and differentiated into schwann cells within fibrin gel for two weeks. A 3 mm defect was created in the sciatic nerve of the rat model, which was then regenerated using a conduit/fibrin, conduit covered with schwann cells in fibrin/GQDs, GQDs in fibrin, and a control group without any treatment (n= 6/group). At 10 weeks after transplantation, motor and sensory functions and histological improvement were assessed. The WJMSCs were extracted, identified, and differentiated. The differentiated cells expressed typical schwann cell markers, S100 and P75.In vivoinvestigations established the durability and efficacy of the conduit to resist the pressures over two months of implantation. Histological measurements showed conduit efficiency, schwann cell infiltration, and association within the fibrin gel and lumen. Rats treated with the composite hydrogel-filled PAN conduit with GQDs showed significantly higher sensorial recovery than the other groups. Histological results showed that this group had significantly more axon numbers and remyelination than others. Our findings suggest that the conduit/schwann approach has the potential to improve nerve regeneration in peripheral nerve injuries, with future therapeutic implications.
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Affiliation(s)
- Elham Hoveizi
- Department of Biology, Faculty of Science, Shahid Chamran University of Ahvaz, Ahvaz, Iran
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Mozhdehbakhsh Mofrad Y, Shamloo A. The effect of conductive aligned fibers in an injectable hydrogel on nerve tissue regeneration. Int J Pharm 2023; 645:123419. [PMID: 37717716 DOI: 10.1016/j.ijpharm.2023.123419] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2023] [Revised: 09/01/2023] [Accepted: 09/14/2023] [Indexed: 09/19/2023]
Abstract
Injectable hydrogels are a promising treatment option for nervous system injuries due to the difficulty to replace lost cells and nervous factors but research on injectable conductive hydrogels is limited and these scaffolds have poor electromechanical properties. This study developed a chitosan/beta-glycerophosphate/salt hydrogel and added conductive aligned nanofibers (polycaprolactone/gelatin/single-wall carbon nanotube (SWCNT)) for the first time and inspired by natural nerve tissue to improve their biochemical and biophysical properties. The results showed that the degradation rate of hydrogels is proportional to the regrowth of axons and these hydrogels' mechanical (hydrogels without nanofibers or SWCNTs and hydrogels containing these additions have the same Young's modulus as the brain and spinal cord or peripheral nerves, respectively) and electrical properties, and the interconnective structure of the scaffolds have the ability to support cells.
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Affiliation(s)
- Yasaman Mozhdehbakhsh Mofrad
- Nano-Bio Engineering Lab, School of Mechanical Engineering, Sharif University of Technology, Tehran 11155-9161, Iran; Stem Cell and Regenerative Medicine Institute, Sharif University of Technology, Tehran 11155-9161, Iran
| | - Amir Shamloo
- Nano-Bio Engineering Lab, School of Mechanical Engineering, Sharif University of Technology, Tehran 11155-9161, Iran; Stem Cell and Regenerative Medicine Institute, Sharif University of Technology, Tehran 11155-9161, Iran.
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4
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Solomevich SO, Oranges CM, Kalbermatten DF, Schwendeman A, Madduri S. Natural polysaccharides and their derivatives as potential medical materials and drug delivery systems for the treatment of peripheral nerve injuries. Carbohydr Polym 2023; 315:120934. [PMID: 37230605 DOI: 10.1016/j.carbpol.2023.120934] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2023] [Revised: 04/07/2023] [Accepted: 04/17/2023] [Indexed: 05/27/2023]
Abstract
Peripheral nerve repair following injury is one of the most serious problems in neurosurgery. Clinical outcomes are often unsatisfactory and associated with a huge socioeconomic burden. Several studies have revealed the great potential of biodegradable polysaccharides for improving nerve regeneration. We review here the promising therapeutic strategies involving different types of polysaccharides and their bio-active composites for promoting nerve regeneration. Within this context, polysaccharide materials widely used for nerve repair in different forms are highlighted, including nerve guidance conduits, hydrogels, nanofibers and films. While nerve guidance conduits and hydrogels were used as main structural scaffolds, the other forms including nanofibers and films were generally used as additional supporting materials. We also discuss the issues of ease of therapeutic implementation, drug release properties and therapeutic outcomes, together with potential future directions of research.
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Affiliation(s)
- Sergey O Solomevich
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Michigan, Ann Arbor, MI, USA; Research Institute for Physical Chemical Problems of the Belarusian State University, Minsk, Belarus
| | - Carlo M Oranges
- Plastic, Reconstructive and Aesthetic Surgery Division, Department of Surgery, Geneva University Hospitals and University of Geneva, Geneva, Switzerland
| | - Daniel F Kalbermatten
- Plastic, Reconstructive and Aesthetic Surgery Division, Department of Surgery, Geneva University Hospitals and University of Geneva, Geneva, Switzerland; Bioengineering and Neuroregeneration Laboratory, Department of Surgery, Geneva University Hospitals and University of Geneva, Geneva, Switzerland
| | - Anna Schwendeman
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Michigan, Ann Arbor, MI, USA; Biointerfaces Institute, University of Michigan, Ann Arbor, MI, USA
| | - Srinivas Madduri
- Plastic, Reconstructive and Aesthetic Surgery Division, Department of Surgery, Geneva University Hospitals and University of Geneva, Geneva, Switzerland; Bioengineering and Neuroregeneration Laboratory, Department of Surgery, Geneva University Hospitals and University of Geneva, Geneva, Switzerland.
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Niu Y, Chen L, Wu T. Recent Advances in Bioengineering Bone Revascularization Based on Composite Materials Comprising Hydroxyapatite. Int J Mol Sci 2023; 24:12492. [PMID: 37569875 PMCID: PMC10419613 DOI: 10.3390/ijms241512492] [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: 05/21/2023] [Revised: 07/18/2023] [Accepted: 08/04/2023] [Indexed: 08/13/2023] Open
Abstract
The natural healing process of bone is impaired in the presence of tumors, trauma, or inflammation, necessitating external assistance for bone regeneration. The limitations of autologous/allogeneic bone grafting are still being discovered as research progresses. Bone tissue engineering (BTE) is now a crucial component of treating bone injuries and actively works to promote vascularization, a crucial stage in bone repair. A biomaterial with hydroxyapatite (HA), which resembles the mineral makeup of invertebrate bones and teeth, has demonstrated high osteoconductivity, bioactivity, and biocompatibility. However, due to its brittleness and porosity, which restrict its application, scientists have been prompted to explore ways to improve its properties by mixing it with other materials, modifying its structural composition, improving fabrication techniques and growth factor loading, and co-cultivating bone regrowth cells to stimulate vascularization. This review scrutinizes the latest five-year research on HA composite studies aimed at amplifying vascularization in bone regeneration.
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Affiliation(s)
- Yifan Niu
- State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, Key Laboratory of Oral Biomedicine Ministry of Education, Hubei Key Laboratory of Stomatology, School & Hospital of Stomatology, Wuhan University, Wuhan 430079, China
| | - Lei Chen
- State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, Key Laboratory of Oral Biomedicine Ministry of Education, Hubei Key Laboratory of Stomatology, School & Hospital of Stomatology, Wuhan University, Wuhan 430079, China
| | - Tianfu Wu
- State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, Key Laboratory of Oral Biomedicine Ministry of Education, Hubei Key Laboratory of Stomatology, School & Hospital of Stomatology, Wuhan University, Wuhan 430079, China
- Department of Oral Maxillofacial-Head Neck Oncology, School and Hospital of Stomatology, Wuhan University, Wuhan 430079, China
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Jabbari F, Babaeipour V, Saharkhiz S. Comprehensive review on biosynthesis of hyaluronic acid with different molecular weights and its biomedical applications. Int J Biol Macromol 2023; 240:124484. [PMID: 37068534 DOI: 10.1016/j.ijbiomac.2023.124484] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2022] [Revised: 04/11/2023] [Accepted: 04/12/2023] [Indexed: 04/19/2023]
Abstract
Hyaluronic acid (HA), an anionic and nonsulfated glycosaminoglycan, is the main structural component of various tissues and plays an important role in various biological processes. Given the promising properties of HA, such as high cellular compatibility, moisture retention, antiaging, proper interaction with cells, and CD44 targeting, HA can be widely used extensively in drug delivery, tissue engineering, wound healing, and cancer therapy. HA can obtain from animal tissues and microbial fermentation, but its applications depend on its molecular weight. Microbial fermentation is a common method for HA production on an industrial scale and S. zooepidemicus is the most frequently used strain in HA production. Culture conditions including pH, temperature, agitation rate, aeration speed, shear stress, dissolved oxygen, and bioreactor type significantly affect HA biosynthesis properties. In this review all the HA production methods and purification techniques to improve its physicochemical and biological properties for various biomedical applications are discussed in details. In addition, we showed that how HA molecular weight can significantly affect its properties and applications.
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Affiliation(s)
- Farzaneh Jabbari
- Nanotechnology and Advanced Materials Department, Materials and Energy Research Center, Tehran, Iran
| | - Valiollah Babaeipour
- Faculty of Chemistry and Chemical Engineering, Malek Ashtar University of Technology, Iran.
| | - Saeed Saharkhiz
- Faculty of Chemistry and Chemical Engineering, Malek Ashtar University of Technology, Iran
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Jiang Z, Xue B, Mai X, Wu C, Zeng L, Xie L, Zheng Q. Integrating Fly Ash-Controlled Surface Morphology and Candle Grease Coating: Access to Highly Hydrophobic Poly (L-lactic Acid) Composite for Anti-Icing Application. NANOMATERIALS (BASEL, SWITZERLAND) 2023; 13:1230. [PMID: 37049323 PMCID: PMC10096872 DOI: 10.3390/nano13071230] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/28/2023] [Revised: 03/27/2023] [Accepted: 03/27/2023] [Indexed: 06/19/2023]
Abstract
New ways of recycling fly ash are of great significance for reducing the environmental pollution. In this work, biodegradable hydrophobic poly (L-lactic acid)/fly ash composites for anti-icing application were successfully fabricated via a facile solvent-volatilization-induced phase separation approach. A silane coupling agent of 3-(Trimethoxysilyl) propyl methacrylate was used to decorate a fly ash surface (FA@KH570) for strengthening the interface bonding between fly ash and poly (L-lactic acid). Moreover, FA@KH570 could obviously enhance the crystallinity of poly (L-lactic acid) (PLLA)/FA@KH570 composites, which accelerated the conversion from the liquid-liquid to the liquid-solid phase separation principle. Correspondingly, the controllable surface morphology from smooth to petal-like microspheres was attained simply by adjusting the FA@KH570 content. After coating nontoxic candle grease, the apparent contact angle of 5 wt% PLLA/FA@KH570 composite was significantly increased to an astonishing 151.2°, which endowed the composite with excellent anti-icing property. This strategy paves the way for recycling waste fly ash and manufacturing hydrophobic poly (L-lactic acid) composite for potential application as an anti-icing material for refrigerator interior walls.
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Affiliation(s)
- Zhiqiang Jiang
- Department of Polymer Materials and Engineering, College of Materials and Metallurgy, Guizhou University, Guiyang 550025, China; (Z.J.); (X.M.); (C.W.); (L.Z.)
- State Key Laboratory of Public Big Data, Guizhou University, Guiyang 550025, China
| | - Bai Xue
- Department of Polymer Materials and Engineering, College of Materials and Metallurgy, Guizhou University, Guiyang 550025, China; (Z.J.); (X.M.); (C.W.); (L.Z.)
- State Key Laboratory of Public Big Data, Guizhou University, Guiyang 550025, China
- National Engineering Research Center for Compounding and Modification of Polymer Materials, National and Local Joint Engineering Research Center for Functional Polymer Membrane Materials and Membrane Processes, Guiyang 550014, China
| | - Xiaoping Mai
- Department of Polymer Materials and Engineering, College of Materials and Metallurgy, Guizhou University, Guiyang 550025, China; (Z.J.); (X.M.); (C.W.); (L.Z.)
- State Key Laboratory of Public Big Data, Guizhou University, Guiyang 550025, China
| | - Changmei Wu
- Department of Polymer Materials and Engineering, College of Materials and Metallurgy, Guizhou University, Guiyang 550025, China; (Z.J.); (X.M.); (C.W.); (L.Z.)
- State Key Laboratory of Public Big Data, Guizhou University, Guiyang 550025, China
| | - Lingjun Zeng
- Department of Polymer Materials and Engineering, College of Materials and Metallurgy, Guizhou University, Guiyang 550025, China; (Z.J.); (X.M.); (C.W.); (L.Z.)
- State Key Laboratory of Public Big Data, Guizhou University, Guiyang 550025, China
| | - Lan Xie
- Department of Polymer Materials and Engineering, College of Materials and Metallurgy, Guizhou University, Guiyang 550025, China; (Z.J.); (X.M.); (C.W.); (L.Z.)
- State Key Laboratory of Public Big Data, Guizhou University, Guiyang 550025, China
- National Engineering Research Center for Compounding and Modification of Polymer Materials, National and Local Joint Engineering Research Center for Functional Polymer Membrane Materials and Membrane Processes, Guiyang 550014, China
| | - Qiang Zheng
- Department of Polymer Science and Engineering, Zhejiang University, Hangzhou 310027, China;
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Multimodular Bio-Inspired Organized Structures Guiding Long-Distance Axonal Regeneration. Biomedicines 2022; 10:biomedicines10092228. [PMID: 36140328 PMCID: PMC9496454 DOI: 10.3390/biomedicines10092228] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2022] [Revised: 09/02/2022] [Accepted: 09/05/2022] [Indexed: 11/17/2022] Open
Abstract
Axonal bundles or axonal tracts have an aligned and unidirectional architecture present in many neural structures with different lengths. When peripheral nerve injury (PNI), spinal cord injury (SCI), traumatic brain injury (TBI), or neurodegenerative disease occur, the intricate architecture undergoes alterations leading to growth inhibition and loss of guidance through large distance. In order to overcome the limitations of long-distance axonal regeneration, here we combine a poly-L-lactide acid (PLA) fiber bundle in the common lumen of a sequence of hyaluronic acid (HA) conduits or modules and pre-cultured Schwann cells (SC) as cells supportive of axon extension. This multimodular preseeded conduit is then used to induce axon growth from a dorsal root ganglion (DRG) explant placed at one of its ends and left for 21 days to follow axon outgrowth. The multimodular conduit proved effective in promoting directed axon growth, and the results may thus be of interest for the regeneration of long tissue defects in the nervous system. Furthermore, the hybrid structure grown within the HA modules consisting in the PLA fibers and the SC can be extracted from the conduit and cultured independently. This “neural cord” proved to be viable outside its scaffold and opens the door to the generation of ex vivo living nerve in vitro for transplantation.
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