[Àû¿ë³í¹®] iPSC·ÎºÎÅÍ °£¼¼Æ÷ ºÐȽýºÅÛ
Cellartis iPS Cell to Hepatocyte Differentiation System Àû¿ë ³í¹®
https://doi.org/10.3390/nu12030721
Prunellae Spica Extract Suppresses Teratoma Formation of Pluripotent Stem Cells through p53-Mediated Apoptosis
Aeyung Kim, Seo-Young Lee, Chang-Seob Seo, Sun-Ku Chung
¾Æ·¡ ³»¿ëÀº ´ÙÄ«¶óÄÚ¸®¾Æ¿¡¼ Á÷Á¢ ¹ø¿ªÇÑ ³»¿ëÀ¸·Î, Çؼ®ÇÏ´Â °úÁ¤¿¡¼ ¿øÀÛÀÚÀÇ Àǵµ¿Í »óÀÌÇÑ ³»¿ëÀÌ Æ÷ÇԵǾî ÀÖÀ» ¼ö ÀÖ½À´Ï´Ù. Çмú Á¤º¸¸¦ ¸ñÀûÀ¸·Î ÇÏ´Â °æ¿ì ¿ø¹®À» Âü°íÇÏ¿© Áֽñ⸦ ¹Ù¶ø´Ï´Ù.
¡á Abstract ¹Ì¸®º¸±â
Induced pluripotent stem cells (iPSCs)´Â ¹«ÇÑÇÑ self-renewal°ú ºÐÈ ´É·Â µî ¹è¾ÆÁٱ⼼Æ÷¿Í À¯»çÇÑ Æ¯¼ºÀ» º¸ÀδÙ.
In-vitro »ó¿¡¼ ºÐÈµÈ iPSCs´Â undifferentiated iPSCs (USCs)°¡ ¼¼Æ÷Ä¡·áÁ¦ ³»¿¡ Á¸ÀçÇÒ ¼ö ÀÖ°í,
in-vivo·Î ÀÌ½Ä ÈÄ teratomaÀ» Çü¼ºÇÒ ¼ö ÀÖ´Ù. µû¶ó¼ ³²¾ÆÀÖ´Â USC¸¦ ¼±ÅÃÀûÀ¸·Î Á¦°ÅÇÏ´Â °ÍÀÌ ¸Å¿ì Áß¿äÇÏ´Ù. Prunellae Spica (PS)´Â ÀüÅë ¾à¿ë½Ä¹°·Î, Ç×¾Ï, Ç×»êÈÁ¦, Ç׿° ÀÛ¿ëÀ» ÇÏ´Â °ÍÀ¸·Î ¾Ë·ÁÁ® ÀÖÁö¸¸, iPSC¿¡¼ÀÇ ÀÛ¿ëÀº ¿¬±¸µÈ ¹Ù ¾ø¾ú´Ù. º» ¿¬±¸¿¡¼´Â ¿¡Åº¿Ã·Î ÃßÃâÇÑ PS (Extract of PS, EPS)°¡ G2/M ¼¼Æ÷ ÁÖ±â Á¤Áö, ¼¼Æ÷ ³» È°¼º »ê¼Ò »ý¼º, ¹ÌÅäÄܵ帮¾Æ ¸· ÀüÀ§ º¯°æ ¹× USCÀÇ caspase È°¼ºÈ¸¦ ÅëÇØ USCÀÇ ¼¼Æ÷ »ç¸ê (apoptotic ell death)À» È¿°úÀûÀ¸·Î À¯µµÇÑ´Ù´Â °ÍÀ» È®ÀÎÇÏ¿´´Ù. ¶ÇÇÑ, EPS´Â p53 ÃàÀû°ú downstream À¯ÀüÀÚ ¹ßÇöÀ» Áõ°¡½ÃÄ×À¸³ª, p53 knockout (KO) USC¿¡¼´Â EPS°¡ ¼¼Æ÷ »ç¸êÀ» À¯µµÇÏÁö ¾Ê¾ÒÀ¸¸ç, À̷νá EPS·Î ÀÎÇÑ USC »ç¸êÀº p53-dependentÇÔÀ» È®ÀÎÇÏ¿´´Ù. °Ô´Ù°¡, iPSCs À¯·¡ ºÐÈ ¼¼Æ÷¿¡¼ EPS´Â À¯Àü µ¶¼ºÀ» À¯¹ßÇÏÁö ¾Ê¾Ò´Ù. Injection Àü EPS¸¦ ó¸®ÇßÀ» ¶§, p53 WTÀÇ iPSC¿¡¼´Â ovo teratoma Çü¼ºÀ» È¿°úÀûÀ¸·Î ¹æÁöÇÏ¿´À¸³ª, p53 KO iPSC¿¡¼´Â ¹æÁöÇÏÁö ¸øÇß´Ù. À̸¦ Á¾ÇÕÇßÀ» ¶§, º» ¿¬±¸ °á°ú´Â EPS´Â teratoma Çü¼ºÀ» °ÇÏ°Ô ¾ïÁ¦ÇÏ´Â È°¼ºÀ» °¡Áö°í, ºÐÈµÈ ¼¼Æ÷¿¡¼´Â À¯Àü µ¶¼ºÀ» ³ªÅ¸³»Áö ¾Ê¾ÒÀ¸¹Ç·Î, ¾ÈÀüÇÏ°í È¿À²ÀûÀÎ iPSC ±â¹ÝÀÇ ¼¼Æ÷ Ä¡·áÁ¦ °³¹ß¿¡ È°¿ëµÉ ¼ö ÀÖÀ» °ÍÀ¸·Î º¸ÀδÙ.
¡á Takara Á¦Ç°À» ÀÌ¿ëÇÑ method ¹Ì¸®º¸±â
p53 WT hiPSC, p53 KO hiPSC¸¦ definitive endoderm (DE)À» °ÅÃÄ hepatocyte·Î ºÐÈ À¯µµÇÏ¿© ½ÇÇèÀ» ÁøÇàÇÏ¿´´Ù. °¢ hiPSC´Â
Cellartis¢ç DE Differentiation Kit with DEF-CS Culture System (Code Y30035)¸¦ ÀÌ¿ëÇØ definitive endodermÀ¸·Î ºÐÈÇÏ¿´´Ù. DE·Î ºÐȸ¦ À¯µµÇϱâ Àü, °¢ hiPSC´Â Cellartis
¢ç DEF-CS Culture SystemÀ» ÀÌ¿ëÇØ 5 Â÷·ÊÀÇ °è´ë·Î È®´ë ¹è¾çÇÏ¿´´Ù. DE·ÎÀÇ ºÐÈ 7ÀÏÂ÷¿¡ °¢ ¼¼Æ÷¸¦ TrypLE¢â Select È¿¼Ò·Î detachÇÑ ÈÄ,
Cellartis¢ç iPS Cell to Hepatocyte Differentiation System (Code Y30055)¸¦ ÀÌ¿ëÇØ hepatocyte·Î ºÐÈ À¯µµÇÏ¿´´Ù. ºÐÈ 9, 11ÀÏÂ÷¿¡´Â hepatocyte progenitor mediumÀ¸·Î ¹èÁö¸¦ ±³Ã¼ÇÏ¿´À¸¸ç, ºÐÈ 14, 16ÀÏÂ÷¿¡´Â hepatocyte maturation mediumÀ¸·Î ¹èÁö¸¦ ±³Ã¼ÇÏ¿´´Ù. ºÐÈ 18ÀÏÂ÷ºÎÅÍ´Â 2Àϸ¶´Ù hepatocyte maintenance mediumÀ¸·Î ¹èÁö¸¦ ±³Ã¼ÇÏ¿´´Ù. ºÐÈµÈ ¼¼Æ÷´Â hepatocyte markerÀÎ CYP34A, alpha-fetoprotein (AFP), albumin ¹ßÇöÀÌ Áõ°¡ÇÏ¿´°í, Oct4 ¹ßÇöÀÌ °¨¼ÒÇÏ¿´´Ù.
¡á ³í¹®¿¡¼ »ç¿ëµÈ Takara °ü·Ã Á¦Ç° ¾Ë¾Æº¸±â
Cellartis¢ç iPS Cell to Hepatocyte Differentiation System (Code Y30055)
- hiPSCÀÇ definitive endoderm (DE) ºÐÈ ÈÄ, DEÀÇ hepatocyte ºÐÈ À¯µµÇÏ´Â Àü °úÁ¤ Áö¿ø
- 25°³ hiPS ¼¼Æ÷ÁÖ¿¡¼ Àû¿ë¼ºÀÌ È®ÀεǾúÀ¸¸ç, ÇϳªÀÇ ÇÁ·ÎÅäÄÝ·Î ´Ù¾çÇÑ hiPS ¼¼Æ÷ÁÖ¿¡ Àû¿ë °¡´É
- 90% ÀÌ»óÀÇ È¿À²·Î ±â´ÉÀûÀÎ °£¼¼Æ÷ ºÐÈ ¹× Àå±â ¹è¾ç (ºÐÈ ÈÄ 14ÀÏ ÀÌ»ó) °¡´É
- È°¿ë ¿¹: ´Ù¾çÇÑ À¯ÀüÀû Á¤º¸¸¦ °¡Áö´Â Áúº´ ¸ðµ¨ ¿¬±¸, ƯÁ¤ Áúȯ/ȯÀÚ¸¦ À§ÇÑ ¸ÂÃã ÀÇÇÐ »ó¿ëÈ