OBJECTIVE: To explore the role of BMP-9 in osteoblast differentiation from adipose-derived stem cells (ADSCs). STUDY DESIGN: Rabbit ADSCs were isolated from subcutaneous tissues of the abdomen and inguinal fat pads and then purified and expanded in vitro. AdBMP9, SB203580 (P38 MAPK inhibitors), and PD98059 (ERK1/2 inhibitor) were used for osteoblastic differentiation. RESULTS: The results show that bone morphogenetic proteins (BMPs) could affect the differential direction of ADSCs. Polymerase chain reaction assays reveal the important role of BMP signaling pathway in osteoblastic differentiation of ADSCs, and the members included Smad 1, Smad 4, Smad 5, Smad 8, P38, ERK1/2, Runx 2, collagen type I and osteopontin. CONCLUSION: This study provides some theoretical basis and experimental evidence for the application of ADSCs into treatment of bone injury.
OBJECTIVE: To explore the role of BMP-9 in osteoblast differentiation from adipose-derived stem cells (ADSCs). STUDY DESIGN:Rabbit ADSCs were isolated from subcutaneous tissues of the abdomen and inguinal fat pads and then purified and expanded in vitro. AdBMP9, SB203580 (P38 MAPK inhibitors), and PD98059 (ERK1/2 inhibitor) were used for osteoblastic differentiation. RESULTS: The results show that bone morphogenetic proteins (BMPs) could affect the differential direction of ADSCs. Polymerase chain reaction assays reveal the important role of BMP signaling pathway in osteoblastic differentiation of ADSCs, and the members included Smad 1, Smad 4, Smad 5, Smad 8, P38, ERK1/2, Runx 2, collagen type I and osteopontin. CONCLUSION: This study provides some theoretical basis and experimental evidence for the application of ADSCs into treatment of bone injury.