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COMPARISON OF VIABILITY OF ORAL EPITHELIAL CELLS STORED BY DIFFERENT FREEZING METHODS

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¹éµµ¿µ, À̽ÂÁ¾, Á¤ÇѼº, ±èÀǼº,
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¹éµµ¿µ ( Baek Do-Young ) - ¿¬¼¼´ëÇб³ Ä¡°ú´ëÇÐ Ä¡°úº¸Á¸Çб³½Ç
À̽ÂÁ¾ ( Lee Seung-Jong ) - ¿¬¼¼´ëÇб³ Ä¡°ú´ëÇÐ Ä¡°úº¸Á¸Çб³½Ç
Á¤ÇѼº ( Jung Han-Sung ) - ¿¬¼¼´ëÇб³ Ä¡°ú´ëÇÐ Ä¡°úº¸Á¸Çб³½Ç
±èÀǼº ( Kim Eui-Seong ) - ¿¬¼¼´ëÇб³ Ä¡°ú´ëÇÐ Ä¡°úº¸Á¸Çб³½Ç

Abstract

º» ¿¬±¸ÀÇ ¸ñÀûÀº ±¸°­»óÇǼ¼Æ÷¸¦ ¹è¾çÇÑ ÈÄ °¢±â ´Ù¸¥ Á¶°ÇÀÇ ³Ãµ¿ º¸Á¸¹ýÀ¸·Î 6ÀÏ°£ º¸Á¸ ½Ã °¢°¢ÀÇ ¼¼Æ÷ÀÇ È°¼ºµµ¸¦ Cell counting, WST-1, Clonogenic capacityÀÇ ¹æ¹ýÀ» ÀÌ¿ëÇÏ¿© ºñ±³ Æò°¡Çϱâ À§ÇÔÀÌ´Ù. °¢ ½ÇÇ豺´ç 1¡¿106°³ÀÇ ¼¼Æ÷¸¦ ´ÙÀ½ÀÇ ¹æ¹ýÀ¸·Î 6ÀÏ°£ ³Ãµ¿ º¸Á¸ÇÑ´Ù. Freezing container¿¡ ´ã¾Æ 1¡É/min ÀÇ ³Ãµ¿¼Óµµ·Î -70¡É±îÁö ³Ãµ¿ ÈÄ -196¡É¿¡ ³Ãµ¿ÇÏ¿© º¸°üÇÑ ÀÏ¹Ý ³Ãµ¿ º¸Á¸±º, ¼¼Æ÷¸¦ ¹Ù·Î -196¡ÉÀÇ ¾×È­Áú¼Ò¿¡ ³Ö¾î ³Ãµ¿ÇÑ ±Þ¼Ó ³Ãµ¿ º¸Á¸±º, 4¡É¿¡¼­ -35¡É±îÁö -0.5¡É/min ¼Óµµ·Î ¼­¼­È÷ ³Ãµ¿½ÃŲ µÚ -196¡É¿¡ ³Ãµ¿ÇÑ Àú¼Ó ³Ãµ¿ º¸Á¸±º, 2 Mpa,3 MpaÀÇ ¾Ð·ÂÀ» °¡ÇÏ°í -0.5¡É/min ¼Óµµ·Î 4¡É¿¡¼­ -35¡É±îÁö ¼­¼­È÷ ³Ãµ¿½ÃŲ µÚ -196¡É¿¡ ³Ãµ¿ÇÑ 2 Mpa, 3 Mpa¾Ð·Â Àú¼Ó ³Ãµ¿ º¸Á¸±ºÀ¸·Î ³ª´©¾ú´Ù. 6ÀÏ ÈÄ ³Ãµ¿µÇ¾ú´ø ¼¼Æ÷¸¦ ±Þ¼Ó ÇغùÇÏ¿© °¢°¢ÀÇ Cell counting, WST-1, Clonogenic capacity °ªÀ» ÃøÁ¤ÇÏ¿© ºñ±³ÇÏ¿´´Ù. ½ÇÇè °á°ú 2 Mpa ȤÀº 3 MpaÀÇ ¾Ð·ÂÀ» ÀÌ¿ëÇÑ Àú¼Ó ³Ãµ¿¹ýÀÌ Àú¼Ó ³Ãµ¿¹ý ¹× ±Þ¼Ó ³Ãµ¿¹ý º¸´Ù ¼¼Æ÷ È°¼ºµµ¿¡ ÀÖ¾î ¿ì¼öÇÑ °æÇâÀ» ³ªÅ¸³»¾ú´Ù.

This study examined the influence of the storage methods on the viability of oral epithelial cells using conventional cell freezing storage, slow freezing preservation, rapid freezing preservation, and slow freezing preservation with a pressure of 2 Mpa or 3 Mpa. The cell viability was evaluated by cell counting, WST-1 and the clonogenic capacity after 6 days of freezing storage. After 6 days, the frozen cells were thawed rapidly, and the cell counting, WST-1, and clonogenic capacity values were measured and compared. 1. The results from cell counting demonstrated that conventional cryopreservation, slow freezing under a 2 Mpa pressure and slow freezing under a 3 Mpa pressure showed significantly higher values than slow freezing preservation and rapid freezing preservation (p<0.05). 2. The results from the optical density by WST-1 demonstrated that slow freezing under a 2 Mpa pressure showed significantly higher values than slow freezing preservation and rapid freezing preservation(p<0.05). 3. The clonogenic capacity demonstrated that slow freezing under a 2 Mpa pressure showed significantly higher values than slow freezing preservation and rapid freezing preservation (p<0.05). [J Kor Acad Cons Dent 34(5):491-499, 2009]

Å°¿öµå

WST-1;Cell counting;Clonogenic capacity;¾Ð·Â Àú¼Ó ³Ãµ¿;Àú¼Ó³Ãµ¿;±Þ¼Ó³Ãµ¿
WST-1;Cell counting;Clonogenic capacity;Slow freezing under pressure;Slow freezing;Rapid freezing

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