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| Content Provider | Royal Society of Chemistry (RSC) |
|---|---|
| Author | Zhan, Qiping Yu, Peng Wang, Fei Zhao, Meihui Wang, Jingfeng Xue, Changhu Gui, Xiong |
| Copyright Year | 2017 |
| Abstract | Osteoporosis is a common disease in the elderly, which is related to fracture healing delay. In this study, the effects of treatment with sialoglycoprotein isolated from the eggs of Gadus morhua (Gm-SGP) on tibial fracture healing in ovariectomized (OVX) osteoporotic female C57BL/6J mice for 56 days post-fracture were investigated. The result showed that Gm-SGP treatment significantly increased serum angiogenic factors and bone formation markers on day 5 and 11 post-fracture when compared with the OVX group. In addition, histological results in the Gm-SGP group showed a stronger endochondral ossification, a stronger bony consolidation and a stronger bony callus remodeling capability on day 11, 24 and 35 post-fracture, respectively, in comparison with the OVX group. Meanwhile, micro-computerized tomography revealed that the Gm-SGP group had stronger bony callus remodeling capability as evidenced by higher BV/TV and Tb.N but lower Tb.Sp and shorter lengths of callus maximum cross section than the OVX group on day 24 post-fracture. Besides, the tibial callus bending stiffness was significantly enhanced in the Gm-SGP group as compared with the OVX group on day 56 post-fracture. Moreover, gene expression suggested that Gm-SGP promoted vascular invasion and endochondral ossification on day 11 post-fracture as well as bone formation on day 11 and 24 post-fracture via up-regulating the expression of angiogenesis factors (including VEGF, PDGF and Ang1), entochondrostosis factors (including Col2a1, Aggrecan, Col10a1 and MMP-13) and osteogenesis markers (including Col1a1, BMP-2 and OCN). This research suggests that Gm-SGP significantly improve fracture healing which is delayed by OVX-induced osteoporosis. The present study may contribute to providing important implications for the utilization of Gm-SGP from fish eggs as a functional food to enhance fracture healing. |
| Starting Page | 1094 |
| Ending Page | 1104 |
| Page Count | 11 |
| File Format | HTM / HTML PDF |
| ISSN | 20426496 |
| Volume Number | 8 |
| Issue Number | 3 |
| Journal | Food & Function |
| DOI | 10.1039/c6fo01346e |
| Language | English |
| Publisher | Royal Society of Chemistry |
| Access Restriction | Open |
| Subject Keyword | OVX PDGF OCN Osteoporosis Sialoglycoprotein Atlantic cod Bone Endochondral ossification Stiffness Gene Angiogenesis Vascular endothelial growth factor Platelet-derived growth factor Angiopoietin 1 Collagen type II alpha 1 Matrix metallopeptidase 13 type I Bone morphogenetic protein 2 Nippon Telegraph and Telephone Functional food |
| Content Type | Text |
| Resource Type | Article |
| Subject | Medicine Food Science |
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