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Journal of Animal and Veterinary Advances
Year: 2010  |  Volume: 9  |  Issue: 3  |  Page No.: 540 - 546

Effect of Cryopretectants on the Growth Capacity Preservation of Mouse and Cattle Skin

LI Bi-Chun, Tian Zhi-Quan, Chen Hao, Sun Min, Yang Hai-Yan, Ren Li-Wei, Qin Yu-Rong, Xu Feng and Chen Guo-Hong    

Abstract: The effect of Dimethylsulphoxide (DMSO), Glycerol (GLY) and Propanedo (PROH) cryoprotectants, each at (10, 20 and 30%) concentration on the preservation of mouse and cattle skin tissue, was investigated. And then, the toxicity test was performed by exposing the skin tissue to DMSO, GLY, PROH, EG without freezing. Tissues were checked by capacity explants. The results indicated that mouse skin tissue frozen in 10% GLY and cattle ear tissue frozen in 20% GLY medium with dry-ice yielded significantly (p<0.05) higher percents (33.3 and 71.4%) of fibroblast than tissue frozen in either concentration of GLY or cryoprotectants. In the toxicity test, mouse skin tissues exposed to GLY and equilibrated at 4°C resulted in higher percent of average explants (41.1%) than that was exposed to PRON and DMSO (average explants 38.3 and 36.5%, respectively), while cattle tissues showed higher toxicity, when exposed to PROH and EG and equilibrated at 4°C (average explants 39.9 and 44.2%, respectively). The present study recommended that 10% GLY with dry-ice freezing was the effective cryoprotectant for the mouse skin tissues, while 20% GLY with dry-ice freezing was effective for cattle skin tissues.

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