Storage of porcine articular cartilage at high subzero temperatures

Cell and Tissue Banking
Nadr M JomhaL E McGann

Abstract

Transplantation of osteochondral allograft tissue can treat large joint defects but is limited by tissue availability, surgical timing, and infectious disease transmission. Fresh allografts perform the best but requirements for infectious disease testing delay the procedure with subsequent decrease in cell viability and function. Hypothermic storage at lower temperatures can extend tissue banking time without loss of cell viability and, therefore, increase the supply of allograft tissue. This study investigated the effects of different cryoprotectant solutions on intact AC at various subzero temperatures. 10 mm porcine osteochondral dowels were immersed for 30 minutes in various combinations of solutions [(XVIVO, propylene glycol (51% w/w), sucrose (46% w/w)] cooled to various subzero temperatures (-10, -15, and -20 degrees C), and held for 30 min. After warming, 70 mum slices were stained with membrane integrity dyes, viewed under fluorescence microscopy and cell recovery calculated relative to fresh controls. Results demonstrated excellent cell recovery (>75%) at -10 degrees C provided ice did not form. Excellent cell recovery (>70%) occurred at -15 degrees C in solutions containing 51% propylene glycol but formation of extra...Continue Reading

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Dec 6, 2003·Journal of Orthopaedic Research : Official Publication of the Orthopaedic Research Society·N M JomhaL E McGann
Sep 29, 2004·Osteoarthritis and Cartilage·Belen CarsiLuis Lopez-Duran

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Citations

Nov 10, 2006·Cell and Tissue Banking·Nadr M JomhaLocksley E McGann
Oct 12, 2010·BMC Musculoskeletal Disorders·Matthew SzarkoJohn Ea Bertram
Aug 13, 2013·Cell and Tissue Banking·Karthikeyan RajagopalVrisha Madhuri
Mar 27, 2019·Journal of Orthopaedic Research : Official Publication of the Orthopaedic Research Society·Aaron M StokerJames L Cook

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