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    • 3. 发明申请
    • LONG-TERM PRESERVATION METHOD FOR SKIN TISSUE
    • 皮肤组织的长期保存方法
    • WO2008088136A1
    • 2008-07-24
    • PCT/KR2007/006767
    • 2007-12-21
    • HANS BIOMED. CORKIM, Jin-YoungAHN, Jae-HyoungSONG, Seok-BeamCHAE, Ji-HwaSEO, Seog-JinKANG, Ke-WonHWANG, Ho-ChanLEE, Jung-Suk
    • KIM, Jin-YoungAHN, Jae-HyoungSONG, Seok-BeamCHAE, Ji-HwaSEO, Seog-JinKANG, Ke-WonHWANG, Ho-ChanLEE, Jung-Suk
    • A01N1/02A01N1/00C12N1/04A61L27/36
    • A01N1/02A01N1/0221
    • Provided is a long-term preservation method for a skin tissue and a dermal layer of a skin cell for transplantation, including: a first glycerol solution processing step of cleaning a skin tissue taken out of a skin tissue donor, immersing the skin tissue into a 45-55% glycerol solution at normal temperature, and performing stirring thereon; a second glycerol solution processing step of immersing and preserving the first glycerol solution processed skin tissue into a 65-75% glycerol solution at normal temperature! and a third glycerol solution processing step of immersing the second glycerol solution processed skin tissue into an 80-90% glycerol solution at normal temperature and continuously preserving the skin tissue at a temperature of 4°C to stabi lize the skin tissue. Therefore, any state of dehydrated skin tissue or an acellular dermal layer for transplantation preserved in the aforementioned method contains the glycerol solution instead of water. Accordingly, shapes and functions of various elements such as protein/collagen used to re-construct the skin for transplantation can be maintained, and a basement membrane for correcting re-attachment of a living endothelial cell or epithelial cell can be provided safely. In addition, a structure of an original tissue can be maintained without structural changes and damages.
    • 本发明提供一种用于移植皮肤细胞的皮肤组织和真皮层的长期保存方法,其包括:清洁从皮肤组织供体取出的皮肤组织的第一甘油溶液加工步骤,将皮肤组织浸入 45-55%甘油溶液,并在其上进行搅拌; 在常温下将第一甘油溶液处理的皮肤组织浸入并保存在65-75%甘油溶液中的第二甘油溶液加工步骤! 以及第三甘油溶液处理步骤,将常规温度下的第二甘油溶液加工的皮肤组织浸入80-90%的甘油溶液中并在4℃的温度下连续地保存皮肤组织以使皮肤组织稳定。 因此,在上述方法中保存的脱水皮肤组织或用于移植的无细胞真皮层的任何状态都含有甘油溶液而不是水。 因此,可以维持各种元素的形状和功能,例如用于重新构建移植皮肤的蛋白质/胶原蛋白,并且可以安全地提供用于校正生物内皮细胞或上皮细胞的再附着的基底膜。 此外,可以保持原始组织的结构而没有结构变化和损坏。