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Home > Learning center > Stem Cell > ÀÚÁÖ ¹¯´Â Áú¹® > DEF-CS 500 Culture System FAQs

DEF-CS 500 Culture System FAQs

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Cellartis DEF-CS 500 Culture System FAQs


General FAQ


Q1. DEF-CS system¿¡¼­ ¹è¾çÇÑ human iPSCÀÇ Æ¯Â¡Àº ¹«¾ùÀΰ¡¿ä?
DEF-CS system¿¡¼­ ¹è¾çÇÑ human iPSC´Â ÀϹÝÀûÀ¸·Î flow cytometer·Î È®ÀÎÇϸé 98% ÀÌ»óÀÌ Oct-4 positiveÀÔ´Ï´Ù. ¶ÇÇÑ ÀϹÝÀûÀÎ pluripotency markerÀÎ Oct-4, NANOGµîÀÇ transcription factor¿Í SSEA-4, TRA-1-60, TRA-1-81µîÀÇ surface marker¸¦ ¹ßÇöÇÕ´Ï´Ù. ¹Ý¸é ¹è¾çÁß¿¡ SSEA-1 °°Àº differentiation maker´Â ¹ßÇöÇÏÁö ¾Ê°í, ¹è¾ç ÀÌÈÄ in vitro ¹× in vivo¿¡¼­ ¼¼ Á¾·ùÀÇ »ï¹è¿±À¸·Î Àß ºÐÈ­°¡ µÇ´Â °ÍÀ» È®ÀÎÇß½À´Ï´Ù.

Q2. DEF-CS 500 system´Â ¾î¶² ½Ã¾àÀ¸·Î ±¸¼ºµÇ¾î ÀÖ³ª¿ä?
DEF-CS system¿¡´Â human iPSC ¹è¾ç¿¡ ÇÊ¿äÇÑ ¸ðµç ½Ã¾àÀÌ Æ÷ÇԵǾî ÀÖ½À´Ï´Ù. ¿©±â¿¡´Â 3Á¾·ùÀÇ additive¿Í matrix solutionÀÌ ÀÖ°í, ÀÌ matrix solutionÀº cell ºÎÂøÀ» À§ÇÑ culture vessel ÄÚÆÿëÀ¸·Î »ç¿ëÇÕ´Ï´Ù. ´Ü, °è´ë¹è¾çÀ» À§ÇÑ enzyme°ú buffer´Â Æ÷ÇԵǾî ÀÖÁö ¾Ê½À´Ï´Ù (TrypLE Select Enzymes (Cat. No. 12563029, Life Technologies) Ãßõ; ´Ù¸¥ enzymeÀº º°µµÀÇ ÃÖÀûÈ­ ÈÄ »ç¿ë °¡´É).

Q3. ¹èÁöÀÇ Á¶¼ºÀÌ ¾î¶»°Ô µÇ³ª¿ä?
DEF-CS Basal MediumÀº serum free, feeder freeÀÇ ¹èÁöÀÔ´Ï´Ù. ´Ù¸¸, Á¤È®ÇÑ Á¶¼ºÀº °ø°³µÇ¾î ÀÖÁö ¾Ê½À´Ï´Ù. ¶ÇÇÑ °°ÀÌ Á¦°øµÇ´Â 3Á¾·ùÀÇ additive¿Í matrix solution ¿ª½Ã ¼ººÐÀÌ °ø°³µÇ¾î ÀÖÁö ¾Ê½À´Ï´Ù.

Q4. °è´ë¹è¾ç½Ã ¾î¶² enzymeÀ» »ç¿ëÇÏ¸é µÇ³ª¿ä?
DEF-CS systemÀº enzymeÀ» »ç¿ëÇÑ single cell °è´ë¹è¾ç ¹× seeding ¹æ¹ýÀ» äÅÃÇß½À´Ï´Ù. À̸¦ À§ÇØ TrypLE Select Enzyme (Cat. No. 12563029, Life Technologies) »ç¿ëÀ» Ãßõ ÇÕ´Ï´Ù. ´Ù¸¥ enzymeÀº º°µµÀÇ ÃÖÀûÈ­ ÈÄ »ç¿ëÀÌ °¡´ÉÇÕ´Ï´Ù.

Q5. Basal medium¿¡ Ç×»ýÁ¦°¡ Æ÷ÇԵǾî ÀÖ³ª¿ä?
³×, Basal medium¿¡´Â penicillin°ú streptomycinÀÌ Æ÷ÇԵǾî ÀÖ½À´Ï´Ù.

Q6. ¿Ö DEF-CS GF-3´Â Àüü DEF-CS Basal Mediumº¸´Ù Àû°Ô µé¾îÀÖ³ª¿ä?
DEF-CS GF-1 °ú DEF-CS GF-2´Â ¹èÁö±³È¯°ú °è´ë¹è¾ç½Ã basal medium¿¡ Ãß°¡ÇØ »ç¿ëÇÕ´Ï´Ù. ¹Ý¸é, DEF-CS GF-3´Â Æò¼Ò¿¡´Â »ç¿ëÇÏÁö ¾Ê´Ù°¡ °è´ë¹è¾çÇÏ´Â ¶§¸¸ »ç¿ëÇÕ´Ï´Ù. µû¶ó¼­ »ç¿ë·®ÀÌ »ó´ëÀûÀ¸·Î Àû±â ¶§¹®¿¡ Á¶±Ý µé¾îÀÖ½À´Ï´Ù.

Handling FAQs


Q1. DEF-CS systemÀ¸·Î ¾ó¸¶³ª ¸¹Àº cellÀ» ¹è¾çÇÒ ¼ö ÀÖ³ª¿ä?
DEF-CS 500 Kit (500 §¢ basal medium Æ÷ÇÔ) 1°³´Â 1.5~3.0 x 105 cells/§¯2·Î ´ë·« 600 §¯2 plate¿¡ ¼¼Æ÷¸¦ ¹è¾çÇϱ⿡ ÃæºÐÇÑ ¾çÀÔ´Ï´Ù. ÀÌ´Â 24°³ÀÇ T25 culture flask, 8°³ÀÇ T75 culture flask, 4°³ÀÇ T150 culture flask¿Í ÀÏÄ¡ÇÕ´Ï´Ù.

Q2. ¼¼Æ÷ÀÇ growth rate´Â º¸Åë ¾î´ÀÁ¤µµÀΰ¡¿ä?
DEF-CS system¿¡¼­ ¹è¾çµÈ human iPSCÀÇ ÀϹÝÀûÀÎ generation time (¼¼Æ÷ÀÇ ¼ö°¡ 2¹è°¡ µÇ´Âµ¥ ÇÊ¿äÇÑ ½Ã°£)Àº 36 ¡¾ 5½Ã°£ ÀÔ´Ï´Ù.

Q3. ¹èÁö ±³È¯Àº ¾ó¸¶¸¶´Ù Çѹø¾¿ ÁøÇàÇØ¾ß Çϳª¿ä?
¹èÁö±³È¯Àº ¸ÅÀÏÇÏ´Â °ÍÀ» ±ÇÀåÇÕ´Ï´Ù. ´Ù¸¸, cell density°¡ ³·Àº °æ¿ì ÀÌƲ¿¡ Çѹø¾¿ ±³È¯ÇÏ´Â °Íµµ °¡´ÉÇÕ´Ï´Ù. ±×·¯³ª °è´ë¹è¾çÀ» ½ÃÀÛÇϱâ Àü³¯°ú ÁøÇàÇÑ ´ÙÀ½³¯¿¡´Â ²À ¹èÁö¸¦ ±³È¯ÇØ¾ß ÇÕ´Ï´Ù.

Q4. °è´ë¹è¾çÀº ¾ó¸¶¸¶´Ù Çѹø¾¿ ÁøÇàÇØ¾ß Çϳª¿ä?
´ëºÎºÐÀÇ human iPSC´Â 3~4ÀÏ¿¡ Çѹø¾¿ °è´ë¹è¾çÀÌ ÇÊ¿äÇÕ´Ï´Ù. ´ç»ç¿¡¼­´Â ¾Æ·¡¿Í °°Àº ÁÖ°£ ½ºÄÉÁÙÀ» ÃßõÇÕ´Ï´Ù. À̶§ seedingÀº 4.0~5.0 x 104 cells/§¯2À¸·ÎÇÏ°í °è´ë¹è¾çÀº 1.5~3.0 x 105 cells/§¯2ÀÏ ¶§ ÁøÇàÇÏ´Â °ÍÀ» ±ÇÀåÇÕ´Ï´Ù.

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Q5. DEF-CS system¿¡¼­ ¹è¾çµÈ human iPSC´Â ¸î passage±îÁö °è´ë¹è¾çÀÌ °¡´ÉÇÑ°¡¿ä?
¼¼Æ÷µéÀº Àû¾îµµ 25 passage±îÁö pluripotency¿Í normal karyotypeÀ» À¯ÁöÇÕ´Ï´Ù. ÀÌ °ªÀº ¼¼Æ÷ÀÇ ¼ö°¡ ´ë·« 265¹è±îÁö ºÐ¿­µÈ °æ¿ì¿Í °°½À´Ï´Ù.

Q6. Culture systemÀÇ automationÀÌ °¡´ÉÇÑ°¡¿ä?
¿¹, DEF-CS systemÀº single cell suspensionÀÇ seedingÀÌ °¡´ÉÇÏ¿© over seeding ¹× harvesting density¸¦ Á¶ÀýÇØ ÀÏ°üµÈ stem cell populationÀ» À¯ÁöÇÏ´Â °ÍÀÌ °¡´ÉÇÕ´Ï´Ù. ¶ÇÇÑ cell selectionÀÌ ÇÊ¿ä ¾ø±â ¶§¹®¿¡ automationÀ» ÅëÇØ cellÀ» ´ë·® »ý»êÇÏ´Â µ¥ È°¿ëÇÒ ¼ö ÀÖ½À´Ï´Ù.