Effects of intraarticular administration of basic fibroblast growth factor with hyaluronic acid on osteochondral defects of the knee in rabbits
Archives of Orthopaedic and Trauma Surgery, ISSN: 0936-8051, Vol: 125, Issue: 10, Page: 683-692
2005
- 42Citations
- 39Captures
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Metrics Details
- Citations42
- Citation Indexes41
- 41
- CrossRef36
- Patent Family Citations1
- Patent Families1
- Captures39
- Readers39
- 39
Article Description
Introduction: Growth factors including basic fibroblast growth factor (bFGF) are expected to be useful tools for enhancing osteochondral repair. However, suitable carriers are required to deliver a growth factor to the injury site. We evaluated the effects of intraarticular injection of bFGF with hyaluronic acid (HA) on osteochondral repair and the potential carrier role of HA in this treatment. Materials and methods: Osteochondral defect was created in the medial femoral condyle of rabbits and received single or weekly intraarticular injection of bFGF (1 or 10 μg) with or without HA. Prior to the administration, bFGF was incubated with HA or vehicle-saline for 24 h at 4°C. Four weeks after the initial injection, the animals were killed and the defect was evaluated grossly (12-point scale) and histologically (16-point scale). The effect of single injection of bFGF (1 μg) with HA was also compared to that of the carrier known as gelatin microspheres (GM) incorporating bFGF. Results: Weekly-administered bFGF alone induced undesirable side effects such as inflammatory responses and osteophyte formation. However, weekly-administered 1 μg of bFGF with HA yielded significantly better osteochondral repair than each treatment alone in gross and histological examinations with minimal side effects (P <0.05). Single administration of 1 μg bFGF with HA but not GM incorporating bFGF showed significantly better osteochondral repair comparing to the vehicle control (P <0.05). Conclusion: Low-dose bFGF with HA was effective for osteochondral repair in rabbits. The significant osteochondral reparative role of bFGF with HA comparing with GM incorporating bFGF might be explained by the potential carrier role of HA and possible synergistic action between these two agents. The combination of HA with bFGF significantly suppressed the side effects resulting from single use of bFGF. © Springer-Verlag 2005.
Bibliographic Details
http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=28944440701&origin=inward; http://dx.doi.org/10.1007/s00402-005-0052-y; http://www.ncbi.nlm.nih.gov/pubmed/16189685; http://link.springer.com/10.1007/s00402-005-0052-y; http://www.springerlink.com/index/10.1007/s00402-005-0052-y; http://www.springerlink.com/index/pdf/10.1007/s00402-005-0052-y; https://dx.doi.org/10.1007/s00402-005-0052-y; https://link.springer.com/article/10.1007/s00402-005-0052-y
Springer Science and Business Media LLC
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