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Ectopic bone formation in vivo induced by a novel synthetic peptide derived from BMP-2 using porous collagen scaffolds

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Abstract

To investigate the osteoinductive and ectopicly osteogenic effects of a novel peptide P24 derived from bone morphogenetic protein 2 (BMP2), biodegradable collagen scaffolds (CS) were used to load BMP-2-derived peptide solutions with different concentrations (0.4 mg peptide/CS, 0.1 mg peptide/CS and pure CS, respectively), and the implants were implanted into muscular pockets on the back of Wistar rats. Radiographs and histological analysis were performed to evaluate the ectopic bone effects. Active ectopic bone formation was seen in both groups containing the peptide at different concentration (0.4 mg and 0.1 mg), whereas no bone formation and only fibrous tissue was seen in the pure CS group. The new bone formation induced by the peptide P24 displayed a dose-dependent and time-dependent efficiency. The new bone formation in the 0.4 mg peptide/CS group significantly increased than that of the 0.1 mg peptide/CS group. This novel BMP-2-derived peptide had excellent osteoinductive and ectopicly osteogenic properties which were similar to those of BMP2.

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Authors and Affiliations

  1. Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science & Technology, Wuhan, 430022, China

    Yuan Quan, Lu Hongwei, Tang Shuo, Liu Kai, Pan Zhengqi, Pan Haitao, Zheng Qixin & Guo Xiaodong

  2. Institute of Polymer Science, School of Chemistry and Chemical Engineering, Sun Yat-sen University, Guangzhou, 510275, China

    Quan Daping

Authors
  1. Yuan Quan
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  2. Lu Hongwei
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  3. Tang Shuo
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  4. Liu Kai
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  5. Pan Zhengqi
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  6. Pan Haitao
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  7. Quan Daping
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  8. Zheng Qixin
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  9. Guo Xiaodong
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Corresponding author

Correspondence to Guo Xiaodong.

Additional information

Funded by the National Natural Science Foundation of China (No. 30200063, 30470483, 301070270), the Program for New Century Excellent Talents in University from the Ministry of Education of China, and the Excellent Youth Foundation of Wuhan Science and Technology Committee(No.20045006071-10)

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Yuan, Q., Lu, H., Tang, S. et al. Ectopic bone formation in vivo induced by a novel synthetic peptide derived from BMP-2 using porous collagen scaffolds. J. Wuhan Univ. Technol.-Mat. Sci. Edit. 22, 701–705 (2007). https://doi.org/10.1007/s11595-006-4701-y

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  • DOI: https://doi.org/10.1007/s11595-006-4701-y

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