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目的在体外运用人骨形成蛋白7(human bone morphogenetic protein 7,hBMP-7)基因重组35型腺病毒(recombinant adenovirus’s containing fibers derived from B—group serotype 35,rAd5/F35)诱导大鼠脂肪源性干细胞(adipose—derived adult stem cell,ADASC)向成骨细胞定向分化,为骨组织工程探索新的细胞来源。方法以pcDNA1.1/氨苄青霉素-hBMP-7质粒为