机构:[1]Guiyang Med Coll Hosp, Dept Emergency Surg, Guiyang 550004, Peoples R China;[2]Kunming Med Coll, Affiliated Hosp 1, Kunming 650032, Peoples R China;昆明医科大学附属第一医院[3]Fourth Mil Med Univ, Xijing Hosp, Dept Orthopaed, Xian 710032, Peoples R China;[4]Guiyang Med Coll Hosp, Dept Emergency Surg, Guiyi St, Guiyang 550004, Peoples R China
Objective: To evaluate the therapeutic effects of AACB/BMP/bFGF, a novel tissue-engineered bone, in repairing femoral head defect and necrosis in dog models. Methods: Dog models of avascular necrosis of femoral head (ANFH) were established by liquid nitrogen freezing method. Group A was untreated; Groups B, C, and D were implanted with AACB, AACB/BMP, and AACB/BMP/bFGF complex, respectively; Group E was grafted with autologous cancellous bone. Samples were collected at 3 w, 6 w, and 12 w after operation. A series of examinations were carried out to investigate the effects of the materials in repairing femoral head defect, including anatomical observation, X-ray examination, histological analysis, and vascular immunohistochemical staining. Results: Our results indicated that, compared with AACB alone and AACB/BMP, AACB/BMP/bFGF complex could exert the most efficient therapeutic effects in dog ANFH models. X-ray examination further confirmed that AACB/BMP/bFGF complex could effectively repair the injuries in dog ANFH models, almost to a comparable level with cancellous bone autografts. Moreover, histological analysis indicated that AACB/BMP/bFGF complex greatly enhanced the new bone formation, which would contribute to the healing of ANFH. Furthermore, vascular immunohistochemical staining revealed that AACB/BMP/bFGF complex could significantly stimulate the revascularization in defect areas, reflecting the post-injury healing process in these models. Conclusion: AACB/BMP/bFGF complex has great potential in repairing femoral head defect by enhancing osteogenesis and revascularization. The novel tissue-engineered bone would be widely used in clinical applications for ANFH treatment, especially as an alternative for autografts.
基金:
Science and Technology Department of Guizhou Province; Guiyang Medical College [[2010] 3165]; S&T fund from Health Department of Guizhou Province [gzwkj2010-1-039]; Science and Technology Fund Project of Guizhou Province [[2013]2038]
第一作者机构:[1]Guiyang Med Coll Hosp, Dept Emergency Surg, Guiyang 550004, Peoples R China;
通讯作者:
通讯机构:[4]Guiyang Med Coll Hosp, Dept Emergency Surg, Guiyi St, Guiyang 550004, Peoples R China
推荐引用方式(GB/T 7714):
Peng Wuxun,Wang Lei,Zhang Jian,et al.A novel tissue-engineered bone in repairing femoral head defect and necrosis[J].INTERNATIONAL JOURNAL OF CLINICAL AND EXPERIMENTAL MEDICINE.2015,8(1):1087-1093.
APA:
Peng, Wuxun,Wang, Lei,Zhang, Jian,Deng, Jin,Gong, Yuekun...&Hu, Yunyu.(2015).A novel tissue-engineered bone in repairing femoral head defect and necrosis.INTERNATIONAL JOURNAL OF CLINICAL AND EXPERIMENTAL MEDICINE,8,(1)
MLA:
Peng, Wuxun,et al."A novel tissue-engineered bone in repairing femoral head defect and necrosis".INTERNATIONAL JOURNAL OF CLINICAL AND EXPERIMENTAL MEDICINE 8..1(2015):1087-1093