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Physiology

Theses and Dissertations in Biomedical Sciences

Assay models

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The Assessment Of Osteoinductivity Of Human Allograft Demineralized Bone Matrix By In Vivo And In Vitro Assay Models, Min Zhang Apr 1996

The Assessment Of Osteoinductivity Of Human Allograft Demineralized Bone Matrix By In Vivo And In Vitro Assay Models, Min Zhang

Theses and Dissertations in Biomedical Sciences

The osteoinductive potential (osteoinductivity) is a very important aspect of demineralized bone matrix (DBM) as a biomaterial. This study is directed at establishing qualitative and quantitative assays of the osteoinductivity of human DBM. Further aspects of this study include an assessment of the effects of the production process, matrix characterization, and donor related factors on osteoinductivity of the DBM.

Athymic mice were chosen as the animal model for use in the in vivo bioassay. Implantation of DBM in muscle pouches provided for much higher osteoinductivity (remineralization to 10% calcium) than subcutaneous site implantation (remineralization to 1.6% calcium). Histological observations ...