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Cryopreserved skin substitute

Yahaira Naaldijk, Adiv A Johnson, Annett Friedrich-Stöckigt, Alexandra Stolzing
BACKGROUND: Preservation of human skin fibroblasts and keratinocytes is essential for the creation of skin tissue banks. For successful cryopreservation of cells, selection of an appropriate cryoprotectant agent (CPA) is imperative. The aim of this study was to identify CPAs that minimize toxic effects and allow for the preservation of human fibroblasts and keratinocytes in suspension and in monolayers. RESULTS: We cryopreserved human fibroblasts and keratinocytes with different CPAs and compared them to fresh, unfrozen cells...
December 1, 2016: BMC Biotechnology
Haibin Zuo, Guodong Song, Wen Shi, Jun Jia, Yonghu Zhang
BACKGROUND: Staged excision and grafting with viable cryopreserved alloskin or fresh pigskin at an early stage is a main strategy for wound management in massive burns. Alloskin is the gold standard of a biological temporary skin substitute, and the main drawback to its wider use is the limited number of donors. In this paper, we compare the use of fresh pigskins to cryopreserved alloskins as temporary skin substitutes on subcutaneous tissue wounds after tangential excision by observing the clinical performances of these grafts in cases of a massive burn...
2016: Burns and trauma
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