海藻酸钠壳聚糖支架复合成骨细胞特异性多肽修复兔颅骨缺损
Acta Universitatis Medicinalis Anhui(2017)
Abstract
目的 评价成骨细胞特异性识别多肽在骨缺损中的修复效果.方法 将成骨细胞特异性识别多肽与海藻酸钠/壳聚糖水凝胶(SA/CS Gel)复合植入兔颅骨双侧 15 mm圆形极限骨缺损区,实验组缺损处植入海藻酸钠/壳聚糖/成骨细胞特异性识别多肽水凝胶(SA/CS/多肽 Gel),对照组植入SA/CS Gel,空白组不植入任何载体及药物,随机分组.术后8周活体行CBCT扫描,随后处死取材并常规HE染色行组织学检查观察成骨效果.结果 影像学及组织形态学结果可见,实验组缺损区成骨量明显大于对照组及空白组,差异有统计学意义(P<0.05).结论 成骨细胞特异性识别多肽可促进兔颅骨缺损的骨修复.
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Key words
the peptide that specifically bind to osteoblasts,calvarial defect,sodium alginate/chitosan composite hydrogels
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