화학공학소재연구정보센터
학회 한국고분자학회
학술대회 2010년 가을 (10/07 ~ 10/08, 대구 EXCO)
권호 35권 2호
발표분야 대학원생 구두발표
제목 Co-delivery of BMP2 and SOX9 to recover chondrogenic property of dedifferentiated chondrocyte
초록 Bone morphogenic protein (BMP) is an important signal to upregulate osteogenesis and chondrogenesis of stem cell. SRY-related HMG-box gene 9 (SOX9) was reported as the key transcription factors of chondrogenesis. We hypothesized that the co-delivery of the BMP2 and SOX9 genes would render dedifferentiated chondrocyte to recover normal condrogenic properties efficiently. To aim this, we constructed a bicistronic vector encoding the BMP2 and SOX9 genes linked to the 2A peptide sequence. Therefore we confirmed above 70% transfection efficiency of BMP2 and SOX9 gene by RT-PCR and western blot analysis. In RT-PCR analysis and alcian blue staining, expression of chondrogenesis-related markers and GAG matrix formation were significantly increased when BMP2/SOX9 was delivered simultaneously compared to BMP2 or SOX9 gene. These findings demonstrate that the chondrogenic lineage-determining two genes would be able to enhance chondrogenic re-differentiation of dedifferentiated chondrocyte.
저자 차병현, 이석준, 강선웅, 이수홍
소속 차의과학대
키워드 Chondrocyte; BMP2; SOX9; 2A; Chondrogenesis; Re-differentiation
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