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Home > Learning center > Stem Cell > ´Ù¾çÇÑ ½ÇÇè Àû¿ë »ç·Ê > [Àû¿ë³í¹®] °í¼øµµ ½É±Ù¼¼Æ÷¸¦ È°¿ëÇÑ ½ÉÀå µ¶¼º ±âÀü ¿¬±¸

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[Àû¿ë³í¹®] °í¼øµµ ½É±Ù¼¼Æ÷¸¦ È°¿ëÇÑ ½ÉÀå µ¶¼º ±âÀü ¿¬±¸

MiraCell¢ç Cardiomyocytes v2 (from ChiPSC12) Kit Àû¿ë ³í¹®

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MiraCell¢ç Cardiomyocytes v2 (from ChiPSC12) Kit (Code Y50025)

An antibody against L1 cell adhesion molecule inhibits cardiotoxicity by regulating persistent DNA damage


https://doi.org/10.1038/s41467-021-23478-1
An antibody against L1 cell adhesion molecule inhibits cardiotoxicity by regulating persistent DNA damage
Jae-Kyung Nam, A-Ram Kim, Seo-Hyun Choi, Ji-Hee Kim, Kyu Jin Choi, Seulki Cho, Jae Won Lee, Hyun-Jai Cho, Yoo-Wook Kwon, Jaeho Cho, Kwang Seok Kim, Joon Kim, Hae-June Lee, Tae Sup Lee, Sangwoo Bae, Hyo Jeong Hong & Yoon-Jin Lee

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¡á Abstract ¹Ì¸®º¸±â
ÈäºÎ ¹æ»ç¼± Á¶»ç¿Í doxorubicin (Dox)·Î ÀÎÇØ À¯¹ßµÇ´Â ½ÉÀå µ¶¼º ±âÀü¿¡ ´ëÇÑ ¿¬±¸´Â Ç×¾Ï Ä¡·á·Î ÀÎÇÑ ½ÉÀ嵶¼ºÀÇ ¹ßº´·ü°ú »ç¸Á·üÀ» °¨¼Ò½Ãų ¼ö ÀÖ´Ù. º» ¿¬±¸¿¡¼­ ¹æ»ç¼± Á¶»ç ¹× Dox Ä¡·á·Î ÀÎÇØ DNA°¡ ¼Õ»óµÈ ½ÉÇ÷°ü ³»ÇǼ¼Æ÷ (vascular endothelial cells, ECs)¿¡¼­´Â L1CAM°ú DNA°¡ ¼Õ»óµÈ foci¿ÍÀÇ colocalizationÇÏ´Â °Í°ú ¿¬°üµÈ fibrotic phenotype (endothelial-mesenchymal transition, EndMT)¸¦ º¸Àδٴ °ÍÀ» È®ÀÎÇÏ¿´´Ù. º» ³í¹®ÀÇ ÀúÀÚµéÀº anti-L1CAM Ç×üÀÎ Ab417À» ó¸®Çϸé, L1CAM °ú¹ßÇö, ÇÙÀÇ ÀüÀ§, Áö¼ÓÀûÀ¸·Î DNA°¡ ¼Õ»óµÈ foci¸¦ °¨¼Ò½ÃŲ´Ù´Â °ÍÀ» Áõ¸íÇÏ¿´´Ù. ¶ÇÇÑ, ½ÉÀå Àüü¿¡ ¹æ»ç¼±ÀÌ Á¶»çµÈ mouse¿¡¼­ EC-specific p53ÀÇ °á½ÇÀº Ç÷°ü ¼¶À¯Áõ, L1CAM°ú DNA ¼Õ»ó fociÀÇ colocalizationÀ» Áõ°¡½ÃÅ°´Â ¹Ý¸é, Ab417Àº ÀÌ·¯ÇÑ ¿µÇâÀ» °¨¼Ò½ÃŲ´Ù´Â °ÍÀ» È®ÀÎÇÏ¿´´Ù. ÀÌ¿Í ÇÔ²², Ab417ÀÌ fractional shortening °¨¼Ò¿Í °ü·ÃµÈ ½ÉÀå ±â´É Àå¾Ö¸¦ ¿¹¹æÇÏ°í, ¹æ»ç¼± Á¶»ç¿Í Dox Ä¡·á ÀÌÈÄÀÇ »ýÁ¸À» ¿¬ÀåÇÑ´Ù´Â °ÍÀ» ÀÔÁõÇÏ¿´´Ù. ½É±Ùº´Áõ ȯÀڷκÎÅÍ À¯·¡ÇÑ DNA°¡ ¼Õ»óµÈ ½ÉÇ÷°ü ³»ÇÇ ¼¼Æ÷¿¡¼­´Â L1CAM°ú EndMT°¡ upregulation µÇ¹Ç·Î, À̸¦ ÅëÇØ Ab417ÀÇ ÀÓ»ó Àû¿ë¿¡ ´ëÇÑ °¡´É¼ºÀ» º¸¿©ÁØ´Ù. °á·ÐÀûÀ¸·Î, nuclear L1CAMÀÇ ÀüÀ§¸¦ ¾ïÁ¦ÇÏ¿© ½ÉÇ÷°ü DNA°¡ ¼Õ»óµÇ´Â °ÍÀ» Á¶ÀýÇÏ´Â °ÍÀÌ Ç×¾Ï Ä¡·á·Î ÀÎÇÑ ½ÉÀå µ¶¼º¿¡ ´ëÇÑ È¿°úÀûÀÎ ¿¹¹æ¹ýÀÌ µÉ ¼ö ÀÖÀ½À» È®ÀÎÇÏ¿´´Ù.

¡á Takara Á¦Ç°À» ÀÌ¿ëÇÑ method ¹Ì¸®º¸±â
hiPSC À¯·¡ ½É±Ù¼¼Æ÷¿Í ÇÔ²² ³»ÇǼ¼Æ÷ (¹æ»ç¼± Á¶»çµÈ ±º, ¹æ»ç¼±ÀÌ Á¶»çµÇÁö ¾ÊÀº ±º)¸¦ ¹è¾çÇÏ¿©, ¹æ»ç¼± Á¶»çµÈ ³»ÇǼ¼Æ÷¿Í endothelial L1CAMÀÌ ½É±Ù ¼¼Æ÷ ¼Õ»ó¿¡ ¿µÇâÀ» ¹ÌÄ¥ ¼ö ÀÖ´ÂÁö È®ÀÎÇÏ°íÀÚ Çß´Ù. hiPSC À¯·¡ ½É±Ù¼¼Æ÷´Â MiraCell¢ç Cardiomyocytes v2 (from ChiPSC12) Kit (Code Y50025)¸¦ »ç¿ëÇßÀ¸¸ç, Á¦Á¶»çÀÇ ÇÁ·ÎÅäÄÝ¿¡ µû¶ó 50 §¶/§¢ ³óµµÀÇ fibronectin ÄÚÆà Ç÷¹ÀÌÆ®¿¡¼­ ¹è¾çÇÏ¿´´Ù. HUVEC ¼¼Æ÷ÁÖ´Â control ȤÀº L1CAMÀ» Ÿ°ÙÀ¸·Î ÇÏ´Â siRNA¸¦ transfection ÇÏ¿´´Ù. Seeding 48½Ã°£ ÈÄ, °¢ ±ºÀÇ HUVEC ¼¼Æ÷´Â 35 mm confocal dish¿¡¼­ hiPSC À¯·¡ ½É±Ù¼¼Æ÷ (4 x 105 cells/dish)¿Í ÇÔ²² 5ÀÏ °£ ¹è¾çÇÏ¿´À¸¸ç, seeding ºñÀ²Àº 80:1À̾ú´Ù (HUVEC : hiPSC À¯·¡ ½É±Ù¼¼Æ÷ = 80 : 1). ¼¼Æ÷´Â 37¡ÆC, 5% CO2ÀÇ Á¶°Ç¿¡¼­ ¹è¾ç µÇ¾úÀ¸¸ç, hiPSC À¯·¡ ½É±Ù¼¼Æ÷´Â Àü¿ë ¹èÁöÀÎ MiraCell¢ç CM Culture Medium v2 (Code Y50023)¸¦ ÀÌ¿ëÇÏ¿´´Ù. ¸Å 2Àϸ¶´Ù ¹èÁö¸¦ ±³È¯ÇÏ°í, hiPSC À¯·¡ ½É±Ù¼¼Æ÷ÀÇ ¹Úµ¿Àº 1ºÐ °£ Çö¹Ì°æÀ» ÅëÇØ °üÂû ¹× ÃøÁ¤ÇÏ¿´´Ù.

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