Maxime Decodts, Cristina Cantallops-Vilà, Jean-Christophe Hornez, Jean-Marie Lacroix, Franck Bouchart
{"title":"Phage-Loaded Biomimetic Apatite Powder With Antibiofilm Activity to Treat Bone-Associated Infections.","authors":"Maxime Decodts, Cristina Cantallops-Vilà, Jean-Christophe Hornez, Jean-Marie Lacroix, Franck Bouchart","doi":"10.1002/jbm.a.37808","DOIUrl":"10.1002/jbm.a.37808","url":null,"abstract":"<p><p>For decades, calcium phosphate (CaP)-based ceramics have been used for coating of bone and joint substitutes after arthroplasty due to their biocompatible properties. Infections following orthopedic replacement occur in 1%-5% of cases, causing serious complications. Biofilm formation either on the biomaterial's surface or on patient's tissues greatly enhances the resistance against antibiotic treatments and can induce a chronic infection, emphasizing the need for novel antimicrobial delivery systems. In this study, we established a protocol enabling bacteriophage loading during the synthesis of a CaP-based powder. The resulting biomaterial proved to be noncytotoxic against human osteoblastic cells and able to significantly inhibit 24-h matured S. aureus biofilm cultures or even completely eradicate it after 5 days of contact. Additional S. aureus biofilm assays with a freeze-dried material using two different excipients showed that sucrose had a protective role against Remus bacteriophage treatment of S. aureus biofilms, whereas lactose-freeze-dried powder maintained the antibiofilm activity.</p>","PeriodicalId":94066,"journal":{"name":"Journal of biomedical materials research. Part A","volume":" ","pages":"e37808"},"PeriodicalIF":0.0,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142396328","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Hoda Elkhenany, Mariam Waleed Soliman, Dina Atta, Nagwa El-Badri
{"title":"Innovative Marine-Sourced Hydroxyapatite, Chitosan, Collagen, and Gelatin for Eco-Friendly Bone and Cartilage Regeneration.","authors":"Hoda Elkhenany, Mariam Waleed Soliman, Dina Atta, Nagwa El-Badri","doi":"10.1002/jbm.a.37833","DOIUrl":"10.1002/jbm.a.37833","url":null,"abstract":"<p><p>In recent years, the exploration of sustainable alternatives in the field of bone tissue engineering has led researchers to focus on marine waste byproducts as a valuable resource. These marine resources, often overlooked remnants of various industries, exhibit a rich composition of hydroxyapatite, collagen, calcium carbonate, and other minerals essential to the complex framework of bone structure. Marine waste by-products can emit gases such as methane and carbon dioxide, highlighting the urgency to repurpose these materials for innovative tissue regeneration solutions, offering a sustainable approach to address environmental challenges while advancing medical science. Using these discarded materials offers a promising pathway for sustainable development in regenerative medicine. This review investigates the distinctive properties of marine waste byproducts, emphasizing their capacity to be recycled effectively to contribute to the rebuilding of bone and cartilage tissue during regeneration processes. We also highlight the compatibility of these resources with biological materials such as platelet-rich plasma (PRP), stem cells, exosomes, and natural bioproducts, as well as nanoparticles (NPs) and polymers. By using the natural potential of these resources, we simultaneously address environmental challenges and promote innovative solutions in skeletal tissue engineering, initiating a new era of environmentally green biomedical research.</p>","PeriodicalId":94066,"journal":{"name":"Journal of biomedical materials research. Part A","volume":" ","pages":"e37833"},"PeriodicalIF":0.0,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142607812","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Fiona E Serack, Kaylee A Fennell, Christina Iliopoulos, John T Walker, John A Ronald, Brian G Amsden, David A Hess, Lauren E Flynn
{"title":"Probing the effects of polysaccharide hydrogel composition on the viability and pro-angiogenic function of human adipose-derived stromal cells.","authors":"Fiona E Serack, Kaylee A Fennell, Christina Iliopoulos, John T Walker, John A Ronald, Brian G Amsden, David A Hess, Lauren E Flynn","doi":"10.1002/jbm.a.37800","DOIUrl":"10.1002/jbm.a.37800","url":null,"abstract":"<p><p>Cell therapies harnessing the pro-vascular regenerative capacities of mesenchymal stromal cell (MSC) populations, including human adipose-derived stromal cells (hASCs), have generated considerable interest as an emerging treatment strategy for peripheral arterial disease (PAD) and its progression to critical limb ischemia (CLI). There is evidence to support that polysaccharide hydrogels can enhance therapeutic efficacy when applied as minimally-invasive delivery systems to support MSC survival and retention within ischemic tissues. However, there has been limited research to date on the effects of hydrogel composition on the phenotype and function of encapsulated cell populations. Recognizing this knowledge gap, this study compared the pro-angiogenic function of hASCs encapsulated in distinct but similarly-modified natural polysaccharide hydrogels composed of methacrylated glycol chitosan (MGC) and methacrylated hyaluronic acid (MHA). Initial in vitro studies confirmed high viability (>85%) of the hASCs following encapsulation and culture in the MGC and MHA hydrogels over 14 days, with a decrease in the cell density observed over time. Moreover, higher levels of a variety of secreted pro-angiogenic and immunomodulatory factors were detected in conditioned media samples collected from the hASCs encapsulated in the MGC-based hydrogels compared to the MHA hydrogels. Subsequent testing focused on comparing hASC delivery within the MGC and MHA hydrogels to saline controls in a femoral artery ligation-induced CLI (FAL-CLI) model in athymic nu/nu mice over 28 days. For the in vivo studies, the hASCs were engineered to express tdTomato and firefly luciferase to quantitatively compare the efficacy of the two platforms in supporting the localized retention of viable hASCs through longitudinal cell tracking with bioluminescence imaging (BLI). Interestingly, hASC retention was significantly enhanced when the cells were delivered in the MHA hydrogels as compared to the MGC hydrogels or saline. However, laser Doppler perfusion imaging (LDPI) indicated that the restoration of hindlimb perfusion was similar between the treatment groups and controls. These findings were corroborated by endpoint immunofluorescence (IF) staining showing similar levels of CD31<sup>+</sup> cells in the ligated limbs at 28 days in all groups. Overall, this study demonstrates that enhanced MSC retention may be insufficient to augment vascular regeneration, emphasizing the complexity of designing biomaterials platforms for MSC delivery for therapeutic angiogenesis. In addition, the data points to a potential challenge in approaches that seek to harness the paracrine functionality of MSCs, as strategies that increase the secretion of immunomodulatory factors that can aid in regeneration may also lead to more rapid MSC clearance in vivo.</p>","PeriodicalId":94066,"journal":{"name":"Journal of biomedical materials research. Part A","volume":" ","pages":"e37800"},"PeriodicalIF":0.0,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142304845","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Michaela Capandova, Veronika Sedlakova, Zbynek Vorac, Hana Kotasova, Jana Dumkova, Lukas Moran, Josef Jaros, Matej Antol, Dasa Bohaciakova, Ales Hampl
{"title":"Using Polycaprolactone Nanofibers for the Proof-of-Concept Construction of the Alveolar-Capillary Interface.","authors":"Michaela Capandova, Veronika Sedlakova, Zbynek Vorac, Hana Kotasova, Jana Dumkova, Lukas Moran, Josef Jaros, Matej Antol, Dasa Bohaciakova, Ales Hampl","doi":"10.1002/jbm.a.37824","DOIUrl":"10.1002/jbm.a.37824","url":null,"abstract":"<p><p>The alveolar-capillary interface is the key functional element of gas exchange in the human lung, and disruptions to this interface can lead to significant medical complications. However, it is currently challenging to adequately model this interface in vitro, as it requires not only the co-culture of human alveolar epithelial and endothelial cells but mainly the preparation of a biocompatible scaffold that mimics the basement membrane. This scaffold should support cell seeding from both sides, and maintain optimal cell adhesion, growth, and differentiation conditions. Our study investigates the use of polycaprolactone (PCL) nanofibers as a versatile substrate for such cell cultures, aiming to model the alveolar-capillary interface more accurately. We optimized nanofiber production parameters, utilized polyamide mesh UHELON as a mechanical support for scaffold handling, and created 3D-printed inserts for specialized co-cultures. Our findings confirm that PCL nanofibrous scaffolds are manageable and support the co-culture of diverse cell types, effectively enabling cell attachment, proliferation, and differentiation. Our research establishes a proof-of-concept model for the alveolar-capillary interface, offering significant potential for enhancing cell-based testing and advancing tissue-engineering applications that require specific nanofibrous matrices.</p>","PeriodicalId":94066,"journal":{"name":"Journal of biomedical materials research. Part A","volume":" ","pages":"e37824"},"PeriodicalIF":0.0,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142549827","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Collagen binding and mimetic peptide-functionalized self-assembled peptide hydrogel enhance chondrogenic differentiation of human mesenchymal stem cells.","authors":"Günnur Pulat, Oğuzhan Gökmen, Şerife Özcan, Ozan Karaman","doi":"10.1002/jbm.a.37786","DOIUrl":"10.1002/jbm.a.37786","url":null,"abstract":"<p><p>The avascular structure and low cell migration to the damaged area due to the low number of cells do not allow spontaneous repair of the articular cartilage tissue. Therefore, functional scaffolds obtained from biomaterials are used for the regeneration of cartilage tissue. Here, we functionalized one of the self-assembling peptide (SAP) scaffolds KLD (KLDLKLDLKLDL) with short bioactive motifs, which are the α1 chain of type II collagen binding peptide WYRGRL (C1) and the triple helical collagen mimetic peptide GFOGER (C2) by direct coupling. Our goal was to develop injectable functional SAP hydrogels with proper mechanical characteristics that would improve chondrogenesis. Scanning electron microscopy (SEM) was used to observe the integration of peptide scaffold structure at the molecular level. To assure the stability of SAPs, the rheological characteristics and degradation profile of SAP hydrogels were assessed. The biochemical study of the DNA, glycosaminoglycan (GAG), and collagen content revealed that the developed bioactive SAP hydrogels greatly increased hMSCs proliferation compared with KLD scaffolds. Moreover, the addition of bioactive peptides to KLD dramatically increased the expression levels of important chondrogenic markers such as aggrecan, SOX-9, and collagen Type II as evaluated by real-time polymerase chain reaction (PCR). We showed that hMSC proliferation and chondrogenic differentiation were encouraged by the developed SAP scaffolds. Although the chondrogenic potentials of WYRGRL and GFOGER were previously investigated, no study compares the effect of the two peptides integrated into 3-D SAP hydrogels in chondrogenic differentiation. Our findings imply that these specifically created bioactive peptide scaffolds might help enhance cartilage tissue regeneration.</p>","PeriodicalId":94066,"journal":{"name":"Journal of biomedical materials research. Part A","volume":" ","pages":"e37786"},"PeriodicalIF":0.0,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142142191","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Conjugation of Multiple Proteins Onto the Surface of PLGA/Lipid Hybrid Nanoparticles.","authors":"He Hu, Chenming Zhang","doi":"10.1002/jbm.a.37807","DOIUrl":"10.1002/jbm.a.37807","url":null,"abstract":"<p><p>Nanoparticles are increasingly being used in the development of vaccines for disease prevention or treatment. Recent research has demonstrated that conjugating a protein onto the surface of nanoparticles can significantly increase its immunogenicity. Considering various pathogens that threaten human health, multivalent vaccines are often desirable. Up to now, nanoparticle-based vaccines are mostly limited to one protein per nanoparticle. No research has been conducted to explore the possibility of conjugating more than one protein onto the surface of a nanoparticle. Here we developed a specific conjugation strategy to conjugate multiple proteins to the PLGA/lipid hybrid nanoparticle surface. The maleimide-thiol Michael addition, Aizde-DBCO (Dibenzocyclooctyne), and TCO (trans-cycloctene)-Tetrazine click chemistry were employed to conjugate three different proteins, subunit keyhole limpet hemocyanin (sKLH), Ovalbumin (OVA), and cross-reactive material 197 (CRM<sub>197</sub>), to the surface of PLGA/lipid hybrid nanoparticles (hNPs). The successful results of this study pave the way for developing multivalent vaccines against different pathogens.</p>","PeriodicalId":94066,"journal":{"name":"Journal of biomedical materials research. Part A","volume":" ","pages":"e37807"},"PeriodicalIF":0.0,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142484153","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"A hierarchical Bilayered scaffold for periodontal complex structure regeneration.","authors":"Wen Qin, Ling Li, Zhao Mu, Weiwei Yu, Yina Zhu, Shuailin Jia, Kun Xuan, Wen Niu, Lina Niu","doi":"10.1002/jbm.a.37793","DOIUrl":"10.1002/jbm.a.37793","url":null,"abstract":"<p><p>The periodontal tissue comprises alveolar bone, cementum, and periodontal ligament (PDL), forming a highly hierarchical architecture. Although current therapies could regenerate the hard tissue well, the simultaneous reconstruction of hard and soft tissue remains a great clinical challenge with the major difficulty in highly orientated PDL regeneration. Using the unidirectional freeze-casting method and biomimetic mineralization technique, we construct a hierarchical bilayer scaffold with the aligned chitosan scaffold with ZIF-8 resembling PDL, and intrafibrillarly mineralized collagen resembling alveolar bone. The hierarchical bilayer scaffold exhibits different geomorphic clues and chemical microenvironments to realize a perfect simulation of the natural periodontal hierarchical architecture. The aligned scaffold with ZIF-8 could induce the fibrogenic differentiation of bone mesenchymal stromal cells (BMSCs), and the mineralized scaffold could induce osteogenic differentiation of BMSCs. The hierarchical bilayer scaffold could simulate periodontal complex tissue, exhibiting great promise for synchronized multi-tissue regeneration of periodontal tissue.</p>","PeriodicalId":94066,"journal":{"name":"Journal of biomedical materials research. Part A","volume":" ","pages":"e37793"},"PeriodicalIF":0.0,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142157054","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pinar Alpaslan Erturk, Sevde Altuntas, Gulseren Irmak, Fatih Buyukserin
{"title":"Fabrication of anodic and atomic layer deposition-alumina coated titanium implants for effective osteointegration applications.","authors":"Pinar Alpaslan Erturk, Sevde Altuntas, Gulseren Irmak, Fatih Buyukserin","doi":"10.1002/jbm.a.37792","DOIUrl":"10.1002/jbm.a.37792","url":null,"abstract":"<p><p>Biomimicking the chemical, mechanical, and topographical properties of bone on an implant model is crucial to obtain rapid and effective osteointegration, especially for the large-area fractures of the skeletal system. Titanium-based biomaterials are more frequently preferred in clinical use in such cases and coating these materials with oxide layers having chemical/nanotopographic properties to enhance osteointegration and implantation success rates has been studied for a long time. The objective of this study is to examine the high and rapid mineralization potential of anodized aluminum oxide (AAO) coated and atomic layer deposition (ALD)-alumina coated titanium substrates on large deformation areas with difficult spontaneous healing. AAO-coated titanium (AAO@Ti) substrates were fabricated via anodization technique in different electrolytes and their osteogenic potential was analyzed by comparing them to the bare titanium surface as a control. In order to investigate the effect of the ionic characters gained by the surfaces through anodization, the oxidized nanotopographic substrates were additionally coated with an ultrathin alumina layer via ALD (ALD@AAO@Ti), which is a sensitive and conformal coating vapor deposition technique. Besides, a bare titanium sample was also coated with pure alumina by ALD (ALD@Ti) to investigate the effect of nanoscale surface morphology. XPS analysis after ALD coating showed that the ionic character of each surface fabricated by anodization was successfully suppressed. In vitro studies demonstrated that, among the substrates investigated, the mineralization capacity of MG-63 osteosarcoma cells were highest when incubated on ALD-treated and bare AAO@Ti samples that were anodized in phosphoric acid (H<sub>3</sub>PO<sub>4</sub>_AAO@Ti and ALD@H<sub>3</sub>PO<sub>4</sub>_AAO@Ti). Mineralization on these substrates also increased consistently beginning from day 2 to day 21. Moreover, immunocytochemistry for osteopontin (OPN) demonstrated the highest expression for ALD@H<sub>3</sub>PO<sub>4</sub>_AAO@Ti, followed by the H<sub>3</sub>PO<sub>4</sub>_AAO@Ti sample. Consequently, it was observed that, although ALD treatment improves cellular characteristics on all samples, effective mineralization requires more than a simple ALD coating or the presence of a nanostructured topography. Overall, ALD@H<sub>3</sub>PO<sub>4</sub>_AAO@Ti substrates can be considered as an implant alternative with its enhanced osteogenic differentiation potential and rapid mineralization capacity.</p>","PeriodicalId":94066,"journal":{"name":"Journal of biomedical materials research. Part A","volume":" ","pages":"e37792"},"PeriodicalIF":0.0,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142142192","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Eline-Claire Grosfeld, Natasja W M van Dijk, Dietmar J O Ulrich, Antonios G Mikos, John A Jansen, Jeroen J J P van den Beucken
{"title":"Compositional Variations in Calcium Phosphate Cement and Poly(Lactic-Co-Glycolic-Acid) Porogens Do Not Affect the Orthotopic Performance of Calcium Phosphate Cement/Poly(Lactic-Co-Glycolic-Acid) Cements.","authors":"Eline-Claire Grosfeld, Natasja W M van Dijk, Dietmar J O Ulrich, Antonios G Mikos, John A Jansen, Jeroen J J P van den Beucken","doi":"10.1002/jbm.a.37827","DOIUrl":"10.1002/jbm.a.37827","url":null,"abstract":"<p><p>Calcium phosphate cement (CPC) has evolved as an appealing bone substitute material, especially since CPCs were combined with poly(lactic-co-glycolic acid) (PLGA) porogens to render the resulting CPC/PLGA composite degradable. In view of the multiple variables of CPC and PLGA used previously, the effect of CPC composition and PLGA porogen morphology (i.e., microspheres versus microparticles) on the biological performance of CPC/PLGA has not yet been investigated. Consequently, we here aimed to evaluate comparatively various CPC/PLGA formulations varying in CPC composition and PLGA porogen morphology on their performance in a rabbit femoral condyle bone defect model. CPCs with a composition of 85 wt% α-TCP, 15 wt% dicalcium phosphate anhydrate (DCPA) and 5 wt% precipitated hydroxyapatite (pHA), or 100 wt% α-TCP were combined with spherical or irregularly shaped PLGA porogens (CPC/PLGA ratio of 60:40 wt% for all formulations). All CPC/PLGA formulations were applied via injection in bone defects, as created in the femoral condyle of rabbits, and retrieved for histological evaluation after 6 and 12 weeks of implantation. Descriptive histology and quantitative histomorphometry (i.e., material degradation and new bone formation) were used for analyses. Descriptively, all CPC/PLGA formulations showed material degradation at the periphery of the cement within 6 weeks of implantation. After 12 weeks, bone formation was observed extending into the defect core, replacing the degraded CPC/PLGA material. Quantitatively, similar material degradation (up to 87%) and new bone formation (up to 28%) values were observed, irrespective of compositional variations of CPC/PLGA formulations. These data prove that neither the CPC compositions nor the PLGA porogen morphologies as used in this work affect the biological performance of CPC/PLGA formulations in a rabbit femoral condyle bone defect model.</p>","PeriodicalId":94066,"journal":{"name":"Journal of biomedical materials research. Part A","volume":" ","pages":"e37827"},"PeriodicalIF":0.0,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142549822","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Elastomeric and Conductive Nerve Conduits From Poly(Glycerol-Sebacate)/Carbon Nanofibers (PGS/CNFs).","authors":"Bengisu Topuz, Dincer Gokcen, Halil Murat Aydin","doi":"10.1002/jbm.a.37820","DOIUrl":"10.1002/jbm.a.37820","url":null,"abstract":"<p><p>Many patients suffer from peripheral nerve injury, which can impair their quality of life. Restoring nerve tissue is difficult due to the low ability of nerves to regenerate. Nerve conduits are designed to help peripheral nerve regeneration by providing a scaffold that can match the tissue characteristics, facilitate cellular activities, and be easily implanted. In order to provide a nerve conduit having scaffolding properties, conductance cytocompatibility, we have investigated the potential of channeled structures made of poly (glycerol-sebacate) (PGS) elastomer containing carbon nanofibers (CNFs) in the regeneration of nerve tissue. The first step was to synthesize PGS elastomer and tune its properties to match the nerve tissue. Then, a carbon dioxide laser was used to create micro channels on the elastomer surface for guiding nerve cells. The PGS elastomer was blended with carbon nanofiber (CNF), which was functionalized to bond with the elastomer, to form a conductive structure. The constructs were investigated in terms of cell behavior using PC12 and S42 cell lines. A statistically significant increase in cell proliferation was observed in both cell lines. It was found that the cells began to grow along the canal in places. In terms of elasticity, conductance and cell response, these constructs may be a potential candidate for nerve tissue engineering.</p>","PeriodicalId":94066,"journal":{"name":"Journal of biomedical materials research. Part A","volume":" ","pages":"e37820"},"PeriodicalIF":0.0,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142607811","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}