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Home > ÀüÁ¦Ç°º¸±â > Genome Editing > Overivew > CRISPR ½ÇÇè °¡À̵å (Tutorial)

CRISPR ½ÇÇè °¡À̵å (Tutorial)

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A powerful method for engineering your gene of interest



CRISPR (Clustered Regularly Interspaced Short Palindromic Repeats)/Cas9 ±â¼úÀº À¯ÀüÀÚ ÆíÁýÀ» À§ÇÑ Çõ½Å ±â¼ú·Î »ç¶÷ ¶Ç´Â µ¿ ¡¤ ½Ä¹° ¼¼Æ÷¿¡¼­ ƯÁ¤ À¯ÀüÀÚÀÇ DNA¸¦ ÀνÄÇÏ´Â sgRNA (single-guide RNA)¿Í ÇÙ»êºÐÇØÈ¿¼ÒÀÎ Cas9 nuclease¸¦ ÀÌ¿ëÇÑ ±â¼úÀÌ´Ù.
´ÙÄ«¶ó¹ÙÀÌ¿À´Â ¼º°øÀûÀÎ CRISPR/Cas9 Gene EditingÀ» À§ÇÑ ¡°Guide-it¢â ½Ã¸®Á¸¦ Á¦°øÇÏ°í ÀÖ´Ù.


CRISPR/Cas9À» À§ÇÑ ÇÙ½É ÀÎÀÚ

CRISPR/Cas9À» À§ÇÑ ÇÙ½É Áغñ¹°!
¾Æ·¡ÀÇ µÎ °³ ¶Ç´Â ¼¼ °³ÀÇ ÀÎÀÚ¸¦ ¼¼Æ÷ ³»·Î µµÀÔ½ÃÄÑÁÖ¸é Áغñ ¿Ï·á!

¨ç Cas9 nuclease : ¸ñÀû DNA¸¦ Àý´ÜÇÏ´Â È¿¼Ò
¨è sgRNA (single-guide RNA) : ÆíÁýÇÏ°íÀÚ ÇÏ´Â ºÎÀ§ÀÇ DNA¿Í »óº¸ÀûÀ¸·Î °áÇÕÇÏ´Â RNA
¨é HDR Donor Template (HDR Template) : ¸ñÀû À¯ÀüÀÚ »ðÀÔ È¤Àº specific mutationÀ» À§ÇÑ DNA

¨ç + ¨è ¡æ NHEJ Pathway¸¦ ÀÌ¿ëÇÑ À¯ÀüÀÚ ±â´É »èÁ¦
¨ç + ¨è + ¨é ¡æ HDR Pathway¸¦ ÀÌ¿ëÇÑ ¸ñÀû À¯ÀüÀÚ »ðÀÔ È¤Àº specific mutation editing


CRISPR/Cas9 Ç¥ÁØ ÇÁ·ÎÅäÄÝ



½±°í È¿À²ÀûÀÎ CRISPR/Cas9 ½ÇÇè ÇÁ·ÎÅäÄÝ : Clontech Guide-it¢â system

Step 1. sgRNA Á¦ÀÛ
¸ñÀû À¯ÀüÀÚ ¼­¿­°ú »óº¸ÀûÀ¸·Î °áÇÕÇÏ´Â sgRNA ÇÕ¼º°ú ½ºÅ©¸®´×À» ÅëÇÑ È¿À² °ËÁõ

Step 2-3. CRISPR Gene Delivery
sgRNA¿Í Cas9 ´Ü¹éÁú ¶Ç´Â HDR template¸¦ ´Ù¾çÇÑ ÇüÅ (DNA, RNA, Protein)¿Í ´Ù¾çÇÑ ¹æ¹ý (transfection, electroporation, viral gene delivery,
Gesicle ¿Ü)À¸·Î ¸ñÀû¼¼Æ÷¿¡ µµÀÔ
NHEJ Pathway·Î ÀÎÇØ ¹ß»ýµÈ Indel º¯ÀÌ, ¶Ç´Â HDR·Î »ðÀÔµÈ À¯ÀüÀÚ ¶Ç´Â SNP¸¦ Àü±â¿µµ¿ È®ÀÎ ¶Ç´Â ¼­¿­ ºÐ¼®


CRISPR À¯ÀüÀÚ µµÀÔ¹æ¹ý



CRISPR ½ÇÇèÀ» À§ÇÑ Cas9, sgRNA À¯ÀüÀÚ (+ HDR template)¸¦ ¼¼Æ÷ ³»·Î µµÀÔ ½Ã, ´Ù¾çÇÑ µµÀÔ¹æ¹ý°ú ÇüŸ¦ »ç¿ëÇÒ ¼ö ÀÖ´Ù.

CRISPR¸¦ ÀÌ¿ëÇÑ À¯ÀüÀÚ ÆíÁý ¹æ¹ýÀÇ ¼±Åà . NHEJ ¶Ç´Â HDR Pathway ¼±ÅÃ

Cas9 nuclease¿¡ ÀÇÇØ Àý´ÜµÈ ¸ñÀûÀ¯ÀüÀÚ´Â ¼¼Æ÷ÀÇ DNA º¹±¸½Ã½ºÅÛ (DNA repair system)¿¡ ÀÇÇØ È¸º¹µÈ´Ù. ´ëÇ¥ÀûÀ¸·Î NHEJ Pathway¿¡ µû¸¥ Indel (Insertion and deletion) »ý¼ºÀ¸·Î ÀÎÇÑ frame shift Çö»óÀº À¯ÀüÀÚ Knock-out °á°ú¸¦ ¾ß±âÇÑ´Ù. HDR templateÀÇ Á¸Àç ÇÏ¿¡¼­´Â HDR Pathway°¡ À¯¹ßµÇ¾î ¿øÇÏ´Â À¯ÀüÀÚ¸¦ »ðÀÔ ¶Ç´Â º¯ÇüÇÒ ¼ö ÀÖ´Ù.




CRISPR À¯ÀüÀÚ µµÀÔ¹æ¹ýÀÇ ¼±Åà . sgRNA, Cas9 À¯ÀüÀÚ µµÀÔÇüÅÂÀÇ ¼±ÅÃ

µµÀÔÇüÅÂ
Active Protein
(RNP* Delivery)
DNA Plasmid
mRNA
Viral
Transduction
Cas9 nuclease
sgRNA
Plasmid DNA encoding
Cas9 and sgRNA
mRNA encoding
Cas9 and sgRNA
Viral vector encoding
Cas9 and sgRNA
µµÀÔ¹æ¹ý
  • Electroporation
  • Transfection
  • Transfection
  • Electroporation
  • Transfection
  • Transduction
Guide-it¢â
ÁÖ¿äÁ¦Ç°
* RNP: Ribonucleoprotein Complex