Processing of equine bone marrow using the automated MarrowXpress System : RBC depletion, volume reduction, and mononuclear cell recovery

© 2011 American Society for Veterinary Clinical Pathology.

Bibliographische Detailangaben
Veröffentlicht in:Veterinary clinical pathology. - 1975. - 40(2011), 4 vom: 03. Dez., Seite 444-449
1. Verfasser: Owens, Sean D (VerfasserIn)
Weitere Verfasser: Burges, Julie, Johns, Jennifer L, Carrade, Danielle D, Galuppo, Larry D, Librach, Fred, Borjesson, Dori L
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2011
Zugriff auf das übergeordnete Werk:Veterinary clinical pathology
Schlagworte:Evaluation Study Journal Article Research Support, Non-U.S. Gov't
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520 |a BACKGROUND: The therapeutic use of bone marrow-derived mononuclear cells (MNCs) and mesenchymal stem cells for the treatment of soft tissue and orthopedic injuries in equine patients is expanding. After collection, bone marrow must be reduced in volume and depleted of RBCs for immediate therapeutic use or to prepare cells for culture or cryopreservation and storage. The MarrowXpress (MXP) System is an automated, closed, sterile system designed to process human bone marrow samples 
520 |a OBJECTIVES: The purpose of this study was to evaluate the capacity of the MXP System to process equine bone marrow to reduce volume, deplete RBCs, and enhance recovery of MNCs 
520 |a METHODS: Bone marrow was collected from 47 horses into 2 60-mL syringes containing heparin and processed using the MXP System. HCT, total nucleated cell (TNC) count, and MNC count were obtained for each sample before and after processing using an Advia 120 hematology analyzer. Volume reduction, RBC depletion, and recovery of TNCs and MNCs were calculated 
520 |a RESULTS: For equine bone marrow samples, mean values were 73.2% for RBC depletion and 78.0% for volume reduction. TNC count before processing was 2.5 ± 1.2 × 10(7) and after processing was significantly higher at 7.8 ± 3.3 × 10(7) (P < .0001), with a recovery of 68.5 ± 24.5% (mean ± SD). MNC count before processing was 1.1 ± 0.9 × 10(7) and after processing was significantly higher at 3.8 ± 1.9 × 10(7) (P < .0001), with a recovery 73.0 ± 31.5% 
520 |a CONCLUSIONS: The MXP System can reliably reduce volume and deplete RBCs from aspirates of equine bone marrow aspirates. MNCs can be recovered in a reproducible and sterile manner. Further studies evaluating the effects of the MXP System on cell viability, identification of mesenchymal stem cells (MSCs), and the efficacy of MSC expansion are warranted 
650 4 |a Evaluation Study 
650 4 |a Journal Article 
650 4 |a Research Support, Non-U.S. Gov't 
700 1 |a Burges, Julie  |e verfasserin  |4 aut 
700 1 |a Johns, Jennifer L  |e verfasserin  |4 aut 
700 1 |a Carrade, Danielle D  |e verfasserin  |4 aut 
700 1 |a Galuppo, Larry D  |e verfasserin  |4 aut 
700 1 |a Librach, Fred  |e verfasserin  |4 aut 
700 1 |a Borjesson, Dori L  |e verfasserin  |4 aut 
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