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Year : 2015  |  Volume : 52  |  Issue : 5  |  Page : 17-21

Rabbit nucleus pulposus cells facilitate differentiation of adipose-derived stem cells into nucleus pulposus-like cells

1 Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Tianjin Key Laboratory of Cancer Prevention and Therapy, Tianjin, China
2 Department of Orthopedics, The Second Hospital of Tianjin Medical University, Tianjin, China

Correspondence Address:
C W Jing
Department of Orthopedics, The Second Hospital of Tianjin Medical University, Tianjin
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/0019-509X.168950

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Objective: To investigate the feasibility of inducing adipose-derived stem cells (ADSCs) to nucleus pulposus cells (NPCs). Materials and Methods: ADSCs were isolated from rabbit while NPCs were isolated from an allogeneic rabbit. NPCs were co-cultured with the 3rd generation ADSCs in co-cultured system. Only NPCs were cultured in single culturing group. Through the collagen type II collagen immunohistochemistry, we observed NPCs and then identify NPC. Proteoglycan messenger RNA (mRNA) and collagen type II mRNA level were measured by real-time polymerase chain reaction. Results: In two group cells, collagen type II collagen were detected by immunohistochemistry. The amount of proteoglycan mRNA and collagen type II mRNA was both significantly higher in co-cultured group than in single cultured group. Conclusions: In some condition, ADSCs have the potency to differentiate toward nucleus pulposus-like cells. ADSCs are better seed cells for tissue engineering of artificial nucleus pulposus.


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