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Ji J, Lefebvre E, Laporte J. Comparative in vivo characterization of newly discovered myotropic adeno-associated vectors. Skelet Muscle 2024; 14:9. [PMID: 38702726 PMCID: PMC11067285 DOI: 10.1186/s13395-024-00341-7] [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: 08/29/2023] [Accepted: 04/08/2024] [Indexed: 05/06/2024] Open
Abstract
BACKGROUND Adeno-associated virus (AAV)-based gene therapy is a promising strategy to treat muscle diseases. However, this strategy is currently confronted with challenges, including a lack of transduction efficiency across the entire muscular system and toxicity resulting from off-target tissue effects. Recently, novel myotropic AAVs named MyoAAVs and AAVMYOs have been discovered using a directed evolution approach, all separately demonstrating enhanced muscle transduction efficiency and liver de-targeting effects. However, these newly discovered AAV variants have not yet been compared. METHODS In this study, we performed a comparative analysis of these various AAV9-derived vectors under the same experimental conditions following different injection time points in two distinct mouse strains. RESULTS We highlight differences in transduction efficiency between AAV9, AAVMYO, MyoAAV2A and MyoAAV4A that depend on age at injection, doses and mouse genetic background. In addition, specific AAV serotypes appeared more potent to transduce skeletal muscles including diaphragm and/or to de-target heart or liver. CONCLUSIONS Our study provides guidance for researchers aiming to establish proof-of-concept approaches for preventive or curative perspectives in mouse models, to ultimately lead to future clinical trials for muscle disorders.
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Affiliation(s)
- Jacqueline Ji
- Institute of Genetics and Molecular and Cellular Biology (IGBMC), INSERM U1258, CNRS UMR7104, University of Strasbourg, IGBMC, 1 rue Laurent Fries, Illkirch, 67404, France
| | - Elise Lefebvre
- Institute of Genetics and Molecular and Cellular Biology (IGBMC), INSERM U1258, CNRS UMR7104, University of Strasbourg, IGBMC, 1 rue Laurent Fries, Illkirch, 67404, France
| | - Jocelyn Laporte
- Institute of Genetics and Molecular and Cellular Biology (IGBMC), INSERM U1258, CNRS UMR7104, University of Strasbourg, IGBMC, 1 rue Laurent Fries, Illkirch, 67404, France.
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Cao K, Wang Z, Sun X, Yan D, Liu Y, Ma T, Sun X. Scaffold Adhering to Peptide-Based Biomimetic Extracellular Matrix Composite Nanobioglass Promotes the Proliferation and Migration of Skin Fibroblasts Through the GSK-3β/β-Catenin Signaling Axis. Int J Nanomedicine 2024; 19:2957-2972. [PMID: 38549840 PMCID: PMC10973549 DOI: 10.2147/ijn.s449385] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2023] [Accepted: 03/12/2024] [Indexed: 04/02/2024] Open
Abstract
Introduction Nano-mesoporous bioactive glass and RGD peptide-coated collagen membranes have great potential in wound healing. However, the application of their compound has not been further studied. Our purpose is to prepare a novel bioactive collagen scaffold containing both NMBG stent and adhesion peptides (BM), which then proves its promising prospect the assessment of physical properties, biocompatibility, GSK-3β/β-catenin signaling axis and toxicological effects. Methods The structural and morphological changes of BM were analyzed using scanning electron microscopy (SEM) and Energy Dispersive Spectroscopy (EDS). In vivo, wound healing of BM was assessed in SD rats through dynamic monitoring and calculation of wound healing rate. Immunohistofluorescence (IHF), H&E, and Masson staining were utilized; in vitro, primary cell culture, and a variety of assays including CCK-8, Transwell, Scratch, Immunocytofluorescence (ICF), and Western blot (WB) were performed, both for morphology and molecular analysis. Results and Discussion Preparation of BM involved attaching NMBG to RGD-exposed collagen while avoiding the use of toxic chemical reagents. BM exhibited a distinctive superficial morphology with increased Si content, indicating successful NMBG attachment. In vivo studies on SD rats demonstrated the superior wound healing capability of BM, as evidenced by accelerated wound closure, thicker epithelial layers, and enhanced collagen deposition compared to the NC group. Additionally, BM promoted skin fibroblast migration and proliferation, possibly through activation of the GSK-3β/β-catenin signaling axis, which was crucial for tissue regeneration. This study underscored the potential of BM as an effective wound-healing dressing. Conclusion A new method for synthesizing ECM-like membranes has been developed using nano-mesoporous bioactive glass and collagen-derived peptides. This approach enhances the bioactivity of biomaterials through surface functionalization and growth factor-free therapy.
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Affiliation(s)
- Kun Cao
- Department of Oral and Maxillofacial Surgery, General Hospital of Ningxia Medical University, Yinchuan, Ningxia, 750004, People’s Republic of China
- Institute of Medical Sciences, General Hospital of Ningxia Medical University, Yinchuan, Ningxia, 750004, People's Republic of China
| | - Zehui Wang
- Department of Oral and Maxillofacial Surgery, General Hospital of Ningxia Medical University, Yinchuan, Ningxia, 750004, People’s Republic of China
- School of Stomatology, Ningxia Medical University, Yinchuan, Ningxia, 750004, People’s Republic of China
- Stem Cell Institute, General Hospital, Ningxia Medical University, Yinchuan, Ningxia, 750004, People’s Republic of China
- Ningxia Key Laboratory of Clinical and Pathogenic Microbiology, General Hospital of Ningxia Medical University, Yinchuan, Ningxia, 750004, People’s Republic of China
| | - Xiaojiao Sun
- School of Stomatology, Ningxia Medical University, Yinchuan, Ningxia, 750004, People’s Republic of China
- Animal Experiment Center of Ningxia Medical University, Ningxia Medical University, Yinchuan, Ningxia, 750004, People’s Republic of China
- Stem Cell Institute, General Hospital, Ningxia Medical University, Yinchuan, Ningxia, 750004, People’s Republic of China
- Ningxia Key Laboratory of Clinical and Pathogenic Microbiology, General Hospital of Ningxia Medical University, Yinchuan, Ningxia, 750004, People’s Republic of China
| | - Di Yan
- Department of Oral and Maxillofacial Surgery, General Hospital of Ningxia Medical University, Yinchuan, Ningxia, 750004, People’s Republic of China
- Institute of Medical Sciences, General Hospital of Ningxia Medical University, Yinchuan, Ningxia, 750004, People's Republic of China
- School of Stomatology, Ningxia Medical University, Yinchuan, Ningxia, 750004, People’s Republic of China
| | - Yanwen Liu
- School of Stomatology, Ningxia Medical University, Yinchuan, Ningxia, 750004, People’s Republic of China
| | - Ting Ma
- School of Stomatology, Ningxia Medical University, Yinchuan, Ningxia, 750004, People’s Republic of China
| | - Xiaojuan Sun
- Department of Oral and Maxillofacial Surgery, General Hospital of Ningxia Medical University, Yinchuan, Ningxia, 750004, People’s Republic of China
- Institute of Medical Sciences, General Hospital of Ningxia Medical University, Yinchuan, Ningxia, 750004, People's Republic of China
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Yamada Y. Characterization of Novel Cell-Adhesive Peptides for Biomaterial Development. Biol Pharm Bull 2024; 47:1072-1078. [PMID: 38825460 DOI: 10.1248/bpb.b24-00030] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/04/2024]
Abstract
In previous studies, my group developed cell-adhesive peptide-polysaccharide complexes as biomaterials for tissue engineering. Having a wide variety of cell-adhesive peptides is important as the biological functions of peptide-polysaccharide complexes are highly dependent on the biological activity of peptides. This paper reviews the biological activities of two types of recently characterized cell-adhesive peptides. The first is peptides rich in basic amino acids originating from octaarginine. We analyzed the relationships between the amino acid composition of basic peptides and cell adhesion, elongation, and proliferation and identified the most suitable peptide for cell culture. The second was arginine-glycine-aspartic acid (RGD)-containing peptides that promote the adhesion of induced pluripotent stem cells (iPSCs). We identified the RGD-surrounding sequences necessary for iPSC adhesion, clarified the underlying mechanism, and improved cell adhesion by modifying the structure-activity relationships. The novel cell-adhesive peptides identified in our previous studies may aid in the development of novel peptide-based biomaterials.
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Affiliation(s)
- Yuji Yamada
- Department of Clinical Biochemistry, School of Pharmacy, Tokyo University of Pharmacy and Life Sciences
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Javid H, Oryani MA, Rezagholinejad N, Esparham A, Tajaldini M, Karimi‐Shahri M. RGD peptide in cancer targeting: Benefits, challenges, solutions, and possible integrin-RGD interactions. Cancer Med 2024; 13:e6800. [PMID: 38349028 PMCID: PMC10832341 DOI: 10.1002/cam4.6800] [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: 06/28/2023] [Revised: 11/06/2023] [Accepted: 11/27/2023] [Indexed: 02/15/2024] Open
Abstract
RGD peptide can be found in cell adhesion and signaling proteins, such as fibronectin, vitronectin, and fibrinogen. RGD peptides' principal function is to facilitate cell adhesion by interacting with integrin receptors on the cell surface. They have been intensively researched for use in biotechnology and medicine, including incorporation into biomaterials, conjugation to medicinal molecules or nanoparticles, and labeling with imaging agents. RGD peptides can be utilized to specifically target cancer cells and the tumor vasculature by engaging with these integrins, improving drug delivery efficiency and minimizing adverse effects on healthy tissues. RGD-functionalized drug carriers are a viable option for cancer therapy as this focused approach has demonstrated promise in the future. Writing a review on the RGD peptide can significantly influence how drugs are developed in the future by improving our understanding of the peptide, finding knowledge gaps, fostering innovation, and making drug design easier.
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Affiliation(s)
- Hossein Javid
- Department of Medical Laboratory SciencesVarastegan Institute for Medical SciencesMashhadIran
- Department of Clinical Biochemistry, Faculty of MedicineMashhad University of Medical SciencesMashhadIran
- Surgical Oncology Research CenterMashhad University of Medical SciencesMashhadIran
| | - Mahsa Akbari Oryani
- Department of Pathology, School of MedicineMashhad University of Medical SciencesMashhadIran
| | | | - Ali Esparham
- Student Research Committee, Faculty of MedicineMashhad University of Medical SciencesMashhadIran
| | - Mahboubeh Tajaldini
- Ischemic Disorder Research CenterGolestan University of Medical SciencesGorganIran
| | - Mehdi Karimi‐Shahri
- Department of Pathology, School of MedicineMashhad University of Medical SciencesMashhadIran
- Department of Pathology, School of MedicineGonabad University of Medical SciencesGonabadIran
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Farasati Far B, Naimi-Jamal MR, Jahanbakhshi M, Rostamani H, Karimi M, Keihankhadiv S. Synthesis and characterization of chitosan/collagen/polycaprolactone hydrogel films with enhanced biocompatibility and hydrophilicity for artificial tendon applications. Int J Biol Macromol 2023; 253:127448. [PMID: 37844811 DOI: 10.1016/j.ijbiomac.2023.127448] [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: 06/30/2023] [Revised: 10/12/2023] [Accepted: 10/13/2023] [Indexed: 10/18/2023]
Abstract
Regenerative medicine confronts various obstacles, such as creating and advancing biomaterials. Besides being safe, such materials should promote cellular activity. Polycaprolactone (PCL) has numerous medical applications as an engineering material. However, these polymers lack hydrophilicity. Herein, chitosan (CS)/collagen (COL)/polycaprolactone hydrogel films (CSCPs) were synthesized with different weight ratios of PCL; specifically, CS/COL (CSC): PCL content of 1:3, 1:6, and 1:9. For this purpose, novel COL immobilization on CS was performed via covalent attachment. Following the addition of PCL to CSC hydrogel, the resulting CSCP hydrogel films were characterized using tensile measurements, TGA, XRD, FTIR, and FE-SEM. A greater PCL content increases the elongation at break from 134.8 to 369.5 % and the tensile strength of the hydrogel films from 4.8 to 18.4 MPa. The hydrophobicity of prepared specimens was assessed through water absorption and contact-angle tests. For CSCP3 to CSCP9, the water contact angle increased from 61.03° to 70.82°. After 48 days, CSCP6 and CSCP9 hydrogel films demonstrated a slow rate of degradation, losing <15 % of their weight. Moreover, all three types of hydrogel films exhibited high biocompatibility (higher than 95 % after three days), as confirmed by the MTT assay. The hemolysis rates of CSCP hydrogel films were <2 %, which could be deemed safe for contact with a blood environment. The presence of no costly and bio-based crosslinking agents and desired characteristics for tissue engineering applications suggest that CSCP hydrogel films may be promising candidates for use in artificial tendons.
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Affiliation(s)
- Bahareh Farasati Far
- Research Laboratory of Green Organic Synthesis and Polymers, Department of Chemistry, Iran University of Science and Technology, Tehran, Iran
| | - Mohammad Reza Naimi-Jamal
- Research Laboratory of Green Organic Synthesis and Polymers, Department of Chemistry, Iran University of Science and Technology, Tehran, Iran.
| | - Mehdi Jahanbakhshi
- School of Chemical Engineering, College of Engineering, University of Tehran, Tehran, Iran
| | - Hosein Rostamani
- Department of Biomedical Engineering-Biomaterials, Faculty of Engineering, Islamic Azad University, Mashhad, Iran
| | - Mahsa Karimi
- Mechanical Engineering and Mechanics, Drexel University, Philadelphia, USA
| | - Shadi Keihankhadiv
- Department of physical chemistry and Technology of polymers, Faculty of Chemistry, Silesian University of Technology, 44_100 Gliwice, Poland
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Duan Y, Szlam F, Hu Y, Chen W, Li R, Ke Y, Sniecinski R, Salaita K. Detection of cellular traction forces via the force-triggered Cas12a-mediated catalytic cleavage of a fluorogenic reporter strand. Nat Biomed Eng 2023; 7:1404-1418. [PMID: 37957275 DOI: 10.1038/s41551-023-01114-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2022] [Accepted: 09/26/2023] [Indexed: 11/15/2023]
Abstract
Molecular forces generated by cell receptors are infrequent and transient, and hence difficult to detect. Here we report an assay that leverages the CRISPR-associated protein 12a (Cas12a) to amplify the detection of cellular traction forces generated by as few as 50 adherent cells. The assay involves the immobilization of a DNA duplex modified with a ligand specific for a cell receptor. Traction forces of tens of piconewtons trigger the dehybridization of the duplex, exposing a cryptic Cas12-activating strand that sets off the indiscriminate Cas12-mediated cleavage of a fluorogenic reporter strand. We used the assay to perform hundreds of force measurements using human platelets from a single blood draw to extract individualized dose-response curves and half-maximal inhibitory concentrations for a panel of antiplatelet drugs. For seven patients who had undergone cardiopulmonary bypass, platelet dysfunction strongly correlated with the need for platelet transfusion to limit bleeding. The Cas12a-mediated detection of cellular traction forces may be used to assess cell state, and to screen for genes, cell-adhesion ligands, drugs or metabolites that modulate cell mechanics.
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Affiliation(s)
- Yuxin Duan
- Department of Chemistry, Emory University, Atlanta, GA, USA
| | - Fania Szlam
- Department of Anesthesiology, School of Medicine, Emory University, Atlanta, GA, USA
| | - Yuesong Hu
- Department of Chemistry, Emory University, Atlanta, GA, USA
| | - Wenchun Chen
- Aflac Cancer and Blood Disorders Center, Children's Healthcare of Atlanta, Departments of Pediatrics, School of Medicine, Emory University, Atlanta, GA, USA
| | - Renhao Li
- Aflac Cancer and Blood Disorders Center, Children's Healthcare of Atlanta, Departments of Pediatrics, School of Medicine, Emory University, Atlanta, GA, USA
| | - Yonggang Ke
- Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology and Emory University, Atlanta, GA, USA
| | - Roman Sniecinski
- Department of Anesthesiology, School of Medicine, Emory University, Atlanta, GA, USA.
| | - Khalid Salaita
- Department of Chemistry, Emory University, Atlanta, GA, USA.
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Mitchell J, Lo KWH. The Use of Small-Molecule Compounds for Cell Adhesion and Migration in Regenerative Medicine. Biomedicines 2023; 11:2507. [PMID: 37760948 PMCID: PMC10525671 DOI: 10.3390/biomedicines11092507] [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: 07/19/2023] [Revised: 08/22/2023] [Accepted: 09/01/2023] [Indexed: 09/29/2023] Open
Abstract
Cell adhesion is essential for cell survival, communication, and regulation, and it is of fundamental importance in the development and maintenance of tissues. Cell adhesion has been widely explored due to its many important roles in the fields of tissue regenerative engineering and cell biology. This is because the mechanical interactions between a cell and its extracellular matrix (ECM) can influence and control cell behavior and function. Currently, biomaterials for regenerative medicine have been heavily investigated as substrates for promoting a cells' adhesive properties and subsequent proliferation, tissue differentiation, and maturation. Specifically, the manipulation of biomaterial surfaces using ECM coatings such as fibronectin extracted from animal-derived ECM have contributed significantly to tissue regenerative engineering as well as basic cell biology research. Additionally, synthetic and natural bioadhesive agents with pronounced abilities to enhance adhesion in numerous biological components and molecules have also been assessed in the field of tissue regeneration. Research into the use of facilitative bioadhesives has aimed to further optimize the biocompatibility, biodegradability, toxicity levels, and crosslinking duration of bioadhesive materials for improved targeted delivery and tissue repair. However, the restrictive drawbacks of some of these bioadhesive and animal-derived materials include the potential risk of disease transmission, immunogenicity, poor reproducibility, impurities, and instability. Therefore, it is necessary for alternative strategies to be sought out to improve the quality of cell adhesion to biomaterials. One promising strategy involves the use of cell-adhesive small molecules. Small molecules are relatively inexpensive, stable, and low-molecular-weight (<1000 Da) compounds with great potential to serve as efficient alternatives to conventional bioadhesives, ECM proteins, and other derived peptides. Over the past few years, a number of cell adhesive small molecules with the potential for tissue regeneration have been reported. In this review, we discuss the current progress using cell adhesive small molecules to regulate tissue regeneration.
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Affiliation(s)
- Juan Mitchell
- School of Dental Medicine, University of Connecticut Health Center, Farmington, CT 06030, USA;
| | - Kevin W.-H. Lo
- Connecticut Convergence Institute for Translation in Regenerative Engineering, School of Medicine, University of Connecticut Health Center, Farmington, CT 06030, USA
- Department of Medicine, Division of Endocrinology, School of Medicine, University of Connecticut Health Center, Farmington, CT 06030, USA
- Department of Biomedical Engineering, School of Engineering, University of Connecticut, Storrs, CT 06268, USA
- Institute of Materials Science (IMS), School of Engineering, University of Connecticut, Storrs, CT 06269, USA
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