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Title: Viability of allogeneic bone marrow stromal cells following local delivery into patella tendon in rabbit model
Authors: Ouyang, H.W. 
Goh, J.C.H. 
Lee, E.H.
Keywords: Allogeneic
Bone marrow stromal cells
Local delivery
Patellar tendon
Issue Date: 2004
Citation: Ouyang, H.W.,Goh, J.C.H.,Lee, E.H. (2004). Viability of allogeneic bone marrow stromal cells following local delivery into patella tendon in rabbit model. Cell Transplantation 13 (6) : 649-657. ScholarBank@NUS Repository.
Abstract: Bone marrow stromal cells are potentially useful for tendon repair and regeneration. To provide lasting benefits, the seeded cells must survive implantation at local tendon sites. Our objective was to determine the in vivo fate of allogeneic bone marrow stromal cells (bMSCs) at different time points after implantation into patella tendon defects (i.e., at 2, 3, 5, and 8 weeks). The protocol involved the labeling of bMSCs with green fluorescent protein (GFP) or carboxyfluorescein diacetate (CFDA) before implantation. A window defect (5 × 5 mm) was created at the central portion of rabbit patella tendon and subsequently treated with GFP- or CFDA-marked bMSCs. The marked bMSCs were loaded into the window defect with fibrin glue. Upon sacrifice of the rabbits at the different time points, the implant site of the patellar tendon was immediately retrieved and the viability of the labeled cells was assessed under confocal microscopy. The results showed that the seeded bMSCs remained viable within the tendon wound site for at least 8 weeks after implantation. The cell morphology was changed from a round shape at 2 weeks to a spindle shape at 5 weeks after implantation. This study demonstrated that the bMSCs remained viable for prolonged periods after implantation and therefore have the potential to influence the formation and remodeling of neotendon tissue after tendon repair.
Source Title: Cell Transplantation
ISSN: 09636897
Appears in Collections:Staff Publications

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