ArticleAmerican journal of translational research2017
Thrombospondin-1 inhibits ossification of tissue engineered cartilage constructed by ADSCs.
Article in American journal of translational research, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed, 7 citations in OpenAlex.
- The Role of Thrombospondins in Osteoarthritis: from Molecular Mechanisms to Therapeutic Potential.International journal of biological sciences · 2025Review
- Application of Tendon-Derived Matrix and Carbodiimide Crosslinking Matures the Engineered Tendon-Like Proteome on Meltblown Scaffolds.Journal of tissue engineering and regenerative medicine · 2025Article
- Article
- The essential anti-angiogenic strategies in cartilage engineering and osteoarthritic cartilage repair.Cellular and molecular life sciences : CMLS · 2022Review
- Hyaluronic acid hydrogel encapsulated BMP-14-modified ADSCs accelerate cartilage defect repair in rabbits.Journal of orthopaedic surgery and research · 2021Article
- Gradient Hydrogels for Optimizing Niche Cues to Enhance Cell-Based Cartilage Regeneration.Tissue engineering. Part A · 2021Article
- The use of allogenic adipose-derived stem cells in combination with platelet-rich fibrin for the treatment of cartilage defects in rabbit ear.American journal of translational research · 2018Article
Corrections and comments
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Authors and funding
4 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Cartilage tissue engineering provides a new method in the treatment of cartilage defects, and adipose derived stem cells seem to be an ideal seed cell in cartilage tissue engineering because of its characteristics. However, ossification after in vivo implantation of tissue engineered cartilage remains a challenge. Thrombospondin-1 which has been reported to have an inhibitory effect on angiogenesis, may play an important role in inhibiting the ossification of tissue engineered cartilage constructed by adipose derived stem cells. Therefore, the effect of thrombospondin-1 in inhibiting the ossification of tissue engineered cartilage was evaluated in this study. Lentivirus vectors carrying thrombospondin-1 cDNA were transfected into adipose derived stem cells, and the transfected cells were used in the experiments. The expression of thrombospondin-1 was evaluated by quantitative reverse transcriptase-polymerase chain reaction and western blot, and the effects of thrombospondin-1 over-expression on angiogenesis were analyzed by angiogenesis assays. The quality of tissue engineered cartilage and the degree of ossification were assessed by biomechanical and molecular biology methods. The results showed that thrombospondin-1 infected cells have a high expression of thrombospondin-1 in mRNA and protein level, which inhibited the tube formation of endothelial cells, indicating the anti-angiogenic effects. Gene expression analyses in vitro showed that thrombospondin-1 inhibits the osteogenic differentiation of adipose derived stem cells significantly, and the results of in vivo study revealed that thrombospondin-1 significantly inhibits the expression of osteogenic genes. Compared to that in the control group, tissue engineered cartilage constructed by thrombospondin-1 transfected adipose derived stem cells in vivo showed a higher GAG content and lower compressive modulus, which indicating lower level of ossification. In conclusion, the current study indicated that the anti-angiogenic factor thrombospondin-1 suppresses the osteogenic differentiation of adipose derived stem cells in vitro, and inhibits ossification of tissue engineered cartilage constructed by adipose derived stem cells in vivo.
Indexed as
Identifiers
28804565PMC5527263W3023949830What OpenQuestion holds
Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.