当前位置： SCI文献检索 > Asian Pacific Journal of Tropical Medicine期刊下所有文献 > Effect of recombinant human bone morphogenetic protein 2/poly-lactide-co-glycolic acid (rhBMP-2/PLGA) with core decompression on repair of rabbit femoral head necrosis.

Effect of recombinant human bone morphogenetic protein 2/poly-lactide-co-glycolic acid (rhBMP-2/PLGA) with core decompression on repair of rabbit femoral head necrosis.

Abstract：

OBJECTIVE:To observe the effect of recombinant human bone morphogenetic protein 2/poly-lactide-co-glycolic acid (rhBMP-2/PLGA) with core decompression on repair of rabbit femoral head necrosis. METHOD:Bilateral femoral head necrosis models of rabbit were established by steroid injection. A total of 48 rabbits (96 femoral head necrosis) were randomly divided into 4 groups: Group A, control group with12 rabbits, 24 femoral head necrosis; Group B, treated with rhBMP-2/PLGA implantation after core depression, with 12 rabbits, 24 femoral head necrosis; Group C, treated with rhBMP-2 implantation after core depression, with 12 rabbits, 24 femoral head necrosis; Group D treated with core depression group without implantation, with 12 rabbits, 24 femoral head necrosis. All animals were sacrificed after 12 weeks. The ability of repairing bone defect was evaluated by X-ray radiograph. Bone mineral density analysis of the defect regions were used to evaluate the level of ossification. The morphologic change and bone formation was assessed by HE staining. The angiogenesis was evaluated by VEGF immunohistochemistry. RESULTS:The osteogenetic ability and quality of femoral head necrosis in group B were better than those of other groups after 12 weeks by X-ray radiograph and morphologic investigation. And the angiogenesis in group B was better than other groups. Group C had similar osteogenetic quality of femoral head necrosis and angiogenesis with group D. CONCLUSION:The treatment of rhBMP-2/PLGA implantation after core depression can promote the repair of rabbit femoral head necrosis. It is a promising and efficient synthetic bone material to treat the femoral head necrosis.

journal_name

Asian Pac J Trop Med

journal_title

Asian Pacific journal of tropical medicine

authors

Pan ZX,Zhang HX,Wang YX,Zhai LD,Du W

doi

10.1016/S1995-7645(14)60156-5

subject

Has Abstract

pub_date

2014-11-01 00:00:00

pages

895-9

issue

11

eissn

1995-7645

issn

2352-4146

pii

S1995-7645(14)60156-5

journal_volume

7

pub_type

杂志文章

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