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Golshan-Tafti M, Dastgheib SA, Alijanpour K, Bahrami R, Mazaheri M, Neamatzadeh H. A thorough analysis of data on the correlation between COL9A1 polymorphisms and the susceptibility to congenital talipes equinovarus: a meta-analysis. J Orthop Surg Res 2024; 19:345. [PMID: 38858754 PMCID: PMC11163731 DOI: 10.1186/s13018-024-04834-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/21/2024] [Accepted: 06/04/2024] [Indexed: 06/12/2024] Open
Abstract
BACKGROUND Congenital talipes equinovarus (CTEV) is a prevalent pediatric deformity with a multifactorial etiology. The objective of this meta-analysis was to explore the association between genetic variations in COL9A1 and the susceptibility to CTEV. METHODS A comprehensive analysis of pertinent literature released before November 15, 2023, in electronic bibliographic databases was carried out. The importance of the connection was clarified through odds ratios (ORs) with 95% confidence intervals (CIs), utilizing random or fixed-effects models depending on study heterogeneity. Statistical analysis was executed using Comprehensive Meta-Analysis software (Version 4.0). RESULTS A total of eight case-control studies involving 833 CTEV patients and 1280 healthy individuals were included in the analysis. Among these, four studies investigated the rs1135056 variant, encompassing 432 CTEV cases and 603 controls; two studies examined the rs35470562 variant, with 189 CTEV cases and 378 controls; and two studies explored the rs592121 variant, including 212 CTEV cases and 299 controls. The results revealed a significant association between the rs1135056 and rs35470562 polymorphisms in the COL9A1 gene, suggesting an increased risk of CTEV in the overall population. Conversely, no such association was found for the rs592121 variant. CONCLUSION Our findings reveal a substantial association between the genetic variants COL9A1 rs1135056 and rs35470562 and susceptibility to CTEV. Conversely, the variant rs592121 did not exhibit any corresponding link. However, the limitations imposed by the small study population have compromised the statistical reliability and generalizability of the results.
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Affiliation(s)
| | - Seyed Alireza Dastgheib
- Department of Medical Genetics, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Kamran Alijanpour
- General Practitioner, Babol University of Medical Sciences, Babol, Iran.
| | - Reza Bahrami
- Neonatal Research Center, Shiraz University of Medical Sciences, Shiraz, Iran.
| | - Mahta Mazaheri
- Mother and Newborn Health Research Center, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
| | - Hossein Neamatzadeh
- Mother and Newborn Health Research Center, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
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Yu P, Ma Y, Zhu Y, Pei J, Zheng G, Liu Y, Fu K, Cai D, Khattab T, Zhou Y. Transforming growth factor-β1-loaded RADA-16 hydrogel scaffold for effective cartilage regeneration. Colloids Surf B Biointerfaces 2024; 239:113959. [PMID: 38772085 DOI: 10.1016/j.colsurfb.2024.113959] [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: 01/18/2024] [Revised: 04/29/2024] [Accepted: 05/07/2024] [Indexed: 05/23/2024]
Abstract
Cartilage repair remains a major challenge in clinical trials. These current cartilage repair materials can not effectively promote chondrocyte generation, limiting their practical application in cartilage repair. In this work, we develop an implantable scaffold of RADA-16 peptide hydrogel incorporated with TGF-β1 to provide a microenvironment for stem cell-directed differentiation and chondrocyte adhesion growth. The longest release of growth factor TGF-β1 release can reach up to 600 h under physiological conditions. TGF-β1/RADA-16 hydrogel was demonstrated to be a lamellar porous structure. Based on the cell culture with hBMSCs, TGF-β1/RADA-16 hydrogel showed excellent ability to promote cell proliferation, directed differentiation into chondrocytes, and functional protein secretion. Within 14 days, 80% of hBMSCs were observed to be directed to differentiate into vigorous chondrocytes in the co-culture of TGF-β1/RADA-16 hydrogels with hBMSCs. Specifically, these newly generated chondrocytes can secrete and accumulate large amounts of collagen II within 28 days, which can effectively promote the formation of cartilage tissue. Finally, the exploration of RADA-16 hydrogel-based scaffolds incorporated with TGF-β1 bioactive species would further greatly promote the practical clinical trials of cartilage remediation, which might have excellent potential to promote cartilage regeneration in areas of cartilage damage.
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Affiliation(s)
- Peng Yu
- Department of Joint Surgery, Center for Orthopaedic Surgery, The Third Affiliated Hospital of Southern Medical University, The Third School of Clinical Medicine, Southern Medical University, Guangzhou 510515, China; Department of Joint Surgery, The First Affiliated Hospital of Hainan Medical University, Haikou, Hainan 570102, China
| | - Yuxing Ma
- Key Laboratory of Advanced Materials of Tropical Island Resources of Ministry of Education and School of Chemistry and Chemical Engineering, Hainan University, Haikou, Hainan 570228, China
| | - Yixin Zhu
- Key Laboratory of Advanced Materials of Tropical Island Resources of Ministry of Education and School of Chemistry and Chemical Engineering, Hainan University, Haikou, Hainan 570228, China
| | - Jie Pei
- Department of Joint Surgery, The First Affiliated Hospital of Hainan Medical University, Haikou, Hainan 570102, China
| | - Guangbin Zheng
- Key Laboratory of Advanced Materials of Tropical Island Resources of Ministry of Education and School of Chemistry and Chemical Engineering, Hainan University, Haikou, Hainan 570228, China
| | - Yuanyuan Liu
- Key Laboratory of Advanced Materials of Tropical Island Resources of Ministry of Education and School of Chemistry and Chemical Engineering, Hainan University, Haikou, Hainan 570228, China
| | - Kun Fu
- Department of Joint Surgery, The First Affiliated Hospital of Hainan Medical University, Haikou, Hainan 570102, China.
| | - Daozhang Cai
- Department of Joint Surgery, Center for Orthopaedic Surgery, The Third Affiliated Hospital of Southern Medical University, The Third School of Clinical Medicine, Southern Medical University, Guangzhou 510515, China
| | - Tawfik Khattab
- Textile Research and Technology Institute, National Research Centre, Cairo 12622, Egypt
| | - Yang Zhou
- Key Laboratory of Advanced Materials of Tropical Island Resources of Ministry of Education and School of Chemistry and Chemical Engineering, Hainan University, Haikou, Hainan 570228, China.
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Stampoultzis T, Rana VK, Guo Y, Pioletti DP. Impact of Molecular Dynamics of Polyrotaxanes on Chondrocytes in Double-Network Supramolecular Hydrogels under Physiological Thermomechanical Stimulation. Biomacromolecules 2024; 25:1144-1152. [PMID: 38166194 PMCID: PMC10865359 DOI: 10.1021/acs.biomac.3c01132] [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: 10/19/2023] [Revised: 12/13/2023] [Accepted: 12/13/2023] [Indexed: 01/04/2024]
Abstract
Hyaline cartilage, a soft tissue enriched with a dynamic extracellular matrix, manifests as a supramolecular system within load-bearing joints. At the same time, the challenge of cartilage repair through tissue engineering lies in replicating intricate cellular-matrix interactions. This study attempts to investigate chondrocyte responses within double-network supramolecular hybrid hydrogels tailored to mimic the dynamic molecular nature of hyaline cartilage. To this end, we infused noncovalent host-guest polyrotaxanes, by blending α-cyclodextrins as host molecules and polyethylene glycol as guests, into a gelatin-based covalent matrix, thereby enhancing its dynamic characteristics. Subsequently, chondrocytes were seeded into these hydrogels to systematically probe the effects of two concentrations of the introduced polyrotaxanes (instilling different levels of supramolecular dynamism in the hydrogel systems) on the cellular responsiveness. Our findings unveiled an augmented level of cellular mechanosensitivity for supramolecular hydrogels compared to pure covalent-based systems. This is demonstrated by an increased mRNA expression of ion channels (TREK1, TRPV4, and PIEZO1), signaling molecules (SOX9) and matrix-remodeling enzymes (LOXL2). Such outcomes were further elevated upon external application of biomimetic thermomechanical loading, which brought a stark increase in the accumulation of sulfated glycosaminoglycans and collagen. Overall, we found that matrix adaptability plays a pivotal role in modulating chondrocyte responses within double-network supramolecular hydrogels. These findings hold the potential for advancing cartilage engineering within load-bearing joints.
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Affiliation(s)
| | | | | | - Dominique P. Pioletti
- Laboratory of Biomechanical
Orthopedics, Institute of Bioengineering,
EPFL, Lausanne 1015, Switzerland
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Guillén-García P, Guillén-Vicente I, Rodríguez-Iñigo E, Guillén-Vicente M, Fernández-Jaén TF, Navarro R, Aboli L, Torres R, Abelow S, López-Alcorocho JM. Cartilage Defect Treatment Using High-Density Autologous Chondrocyte Implantation (HD-ACI). Bioengineering (Basel) 2023; 10:1083. [PMID: 37760185 PMCID: PMC10525711 DOI: 10.3390/bioengineering10091083] [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: 08/14/2023] [Revised: 09/07/2023] [Accepted: 09/08/2023] [Indexed: 09/29/2023] Open
Abstract
Hyaline cartilage's inability to self-repair can lead to osteoarthritis and joint replacement. Various treatments, including cell therapy, have been developed for cartilage damage. Autologous chondrocyte implantation (ACI) is considered the best option for focal chondral lesions. In this article, we aimed to create a narrative review that highlights the evolution and enhancement of our chondrocyte implantation technique: High-Density-ACI (HD-ACI) Membrane-assisted Autologous Chondrocyte Implantation (MACI) improved ACI using a collagen membrane as a carrier. However, low cell density in MACI resulted in softer regenerated tissue. HD-ACI was developed to improve MACI, implanting 5 million chondrocytes per cm2, providing higher cell density. In animal models, HD-ACI formed hyaline-like cartilage, while other treatments led to fibrocartilage. HD-ACI was further evaluated in patients with knee or ankle defects and expanded to treat hip lesions and bilateral defects. HD-ACI offers a potential solution for cartilage defects, improving outcomes in regenerative medicine and cell therapy. HD-ACI, with its higher cell density, shows promise for treating chondral defects and advancing cartilage repair in regenerative medicine and cell therapy.
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