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Home > ÀüÁ¦Ç°º¸±â > NGS °ü·Ã > Low Input DNA-Seq > [Àû¿ë] Plasma cfDNAÀÇ ¾çÀû, ÁúÀû ºÐ¼®

[Àû¿ë] Plasma cfDNAÀÇ ¾çÀû, ÁúÀû ºÐ¼®

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Plasma cfDNAÀÇ ¾çÀû, ÁúÀû ºÐ¼®

Data kindly provided by: Laboratory of sports medicine, Faculty of Medicine, University of Tsukuba

¡ß Introduction
Cell-free DNA (cfDNA)´Â žÆÀÇ À¯ÀüÀÚ Áø´Ü ¶Ç´Â Á¾¾ç À¯·¡ÀÇ DNA¸¦ ¸ð´ÏÅ͸µÇϱâ À§ÇÑ ½Ã·á·Î½á »ç¿ëµÇ°í ÀÖÁö¸¸, cfDNA ÀÚüÀÇ ÁúÀû¤ý¾çÀû º¯È­¸¦ Æ÷°ýÀûÀ¸·Î ºÐ¼®ÇÑ ÀÚ·á´Â ¸¹Áö ¾Ê´Ù. º» ¿¬±¸½Ç¿¡¼­´Â Á¤»óÀÎÀÇ Plasma cfDNA (Ç÷Àå cfDNA)°¡ ƯÁ¤ ½ÇÇè óġ Àü¤ýÈÄ¿¡ ÁúÀû¤ý¾çÀûÀ¸·Î ¾î¶»°Ô º¯È­ÇÏ´ÂÁö NGS¸¦ ÅëÇØ Æ÷°ýÀûÀ¸·Î ºÐ¼®ÇÏ°íÀÚ ÇÏ¿´´Ù.


Laboratory of sports medicine, Faculty of Medicine, University of Tsukuba
¿¬±¸½Ç ȨÆäÀÌÁö: http://tsukuba-laboratorymedicine.com/

¡ß »ç¿ëÁ¦Ç°
ThruPLEX¢ç DNA-Seq Kit (Code 400674)

¡ß Workflow
¨ç ½ÇÇè óġ Àü¤ýÈÄÀÇ Á¤»óÀÎ Ç÷¾×À» EDTA Tube¿¡ äÇ÷ÇÏ¿© ¿ø½ÉºÐ¸®·Î Ç÷Àå (Plasma) ºÐ¸®
¨è 2 §¢ÀÇ Ç÷Àå¿¡¼­ NucleoSnap DNA Plasma (Macherey Nagel)À» ÀÌ¿ëÇÏ¿© cfDNA ÃßÃâ
¨é ThruPLEX¢ç DNA-Seq KitÀ» ÀÌ¿ëÇÏ¿© 10 ng ~ 30 ngÀÇ cfDNA·ÎºÎÅÍ NGS Library Á¦ÀÛ
¨ê Agilent Bioanalyzer¸¦ ÀÌ¿ëÇÏ¿© NGS LibraryÀÇ ³óµµ ÃøÁ¤
¨ë Illumina¢ç NextSeq500À» ÀÌ¿ëÇÏ¿© ½ÃÄö½Ì
¨ì Bowtie ¼ÒÇÁÆ®¿þ¾î¸¦ ÀÌ¿ëÇÏ¿© mapping

¡ß ThruPLEX¢ç DNA-Seq KitÀ» ÀÌ¿ëÇÑ cfDNA NGS Library Á¦ÀÛ °á°ú
ThruPLEX¢ç DNA-Seq KitÀ» ÀÌ¿ëÇÏ¿© ½ÇÇè óġ Àü¤ýÈÄÀÇ 10 ng ~ 30 ngÀÇ cfDNA·ÎºÎÅÍ Illumina¢ç NGS Library¸¦ Á¦ÀÛÇÏ°í, Agilent Bioanalyzer·Î NGS LibraryÀÇ Å©±â¿Í ³óµµ¸¦ È®ÀÎÇÏ¿´´Ù. óġ Àü »ùÇðú ÈÄ »ùÇÿ¡¼­ ¸ðµÎ 300 bp ºÎ±ÙÀÇ ¹êµå°¡ °ËÃâµÈ °ÍÀ¸·Î º¸¾Æ Illumina¢ç NGS Library°¡ ÀûÀýÈ÷ Á¦À۵ǾúÀ½À» È®ÀÎÇÒ ¼ö ÀÖ¾ú´Ù (NGS Library Á¦ÀÛ Àü cfDNAÀÇ »çÀÌÁî: ¾à 160 bp, ThruPLEX adapter »çÀÌÁî: ¾à 140 bp)


¡ß NGS Mapping °á°ú
½ÇÇè óġ Àü°ú ºñ±³ÇÏ¿© óġ ÈÄÀÇ cfDNA¿¡¼­ °Ô³ð »óÀÇ Æ¯Á¤ À§Ä¡¿¡ ¸¹Àº ¼öÀÇ read°¡ ¸ÅÇεǾúÀ¸¸ç, ƯÈ÷¾à 250¹èÀÇ count reads Â÷ÀÌ°¡ ÀÖ´Â À§Ä¡¸¦ ½Äº°ÇÒ ¼ö ÀÖ¾ú´Ù. ÀÌ´Â Ç÷Àå cfDNA°¡ »ýü¿¡ °¡ÇØÁö´Â ƯÁ¤ ½ºÆ®·¹½º¿¡ ÀÇÇØ ÁúÀû¤ý¾çÀû º¯È­¸¦ ÀÏÀ¸Å³ ¼ö ÀÖÀ½À» ³ªÅ¸³½´Ù.


¡ß ÇâÈÄ °èȹ
º» Á¦Ç°À» ÀÌ¿ëÇÏ¿© Àΰ£À̳ª µ¿¹°¿¡ ´ëÇØ ´Ù¾çÇÑ Á¶°Ç ÇÏ¿¡¼­ cfDNAÀÇ ¿°±â¼­¿­, Ư¼º ¹× ¸ÞÄ¿´ÏÁòÀ» Ãß°¡·Î ºÐ¼®ÇÏ°íÀÚ ÇÑ´Ù.

¡ß Á¦Ç° »ç¿ëÀ» °ËÅä ÁßÀÎ ºÐ²² »ç¿ëÀÚÀÇ ÇѸ¶µð
º» Á¦Ç°Àº ¸Å¿ì ½¬¿î ½ÇÇè¼ø¼­¿¡ µû¶ó °£ÆíÇÏ°Ô NGS Library¸¦ Á¦ÀÛÇÒ ¼ö ÀÖ½À´Ï´Ù. óÀ½ NGS Library¸¦ Á¦ÀÛÇÏ¿´Áö¸¸, º» Á¦Ç°À» ÀÌ¿ëÇÏ¿© Çѹø¿¡ ¼Õ½±°Ô ¼º°øÇÒ ¼ö ÀÖ¾úÀ¸¸ç, NGS µ¥ÀÌÅÍ ºÐ¼® Ä÷¸®Æ¼ ¶ÇÇÑ ¿ì¼öÇÕ´Ï´Ù.