´ÙÄ«¶ó¿¡¼´Â AAV¸¦ helper virus¾øÀÌ ¾ÈÀüÇÏ°Ô Á¦ÀÛÇϱâ À§ÇÑ AAVpro
¢ç Helper Free System°ú ÇÔ²² AAVpro
¢ç CRISPR/Cas9, Tet-One ½Ã½ºÅÛ µî ´Ù¾çÇÑ AAV ½Ã½ºÅÛÀ» Á¦°øÇÏ°í ÀÖ´Ù. ¶ÇÇÑ, AAVÀÇ ¿ª°¡ Çâ»óÀ» À§ÇÑ Àü¿ë transfection ½Ã¾à°ú packaging cell line, packaging cell lineÀ¸·ÎºÎÅÍ AAV¸¦ È¿À²ÀûÀ¸·Î ÃßÃâÇϱâ À§ÇÑ AAVpro
¢ç Extraction Solution, °í¼øµµ AAV Á¤Á¦¸¦ À§ÇÑ AAVpro
¢ç Purification Kit (All serotype, AAV2), ºü¸£°í °£ÆíÇÏ°Ô AAVÀÇ ¿ª°¡ ÃøÁ¤À» À§ÇÑ Real Time PCR ¹æ½ÄÀÇ AAVpro
¢ç Titration Kit µî AAV ½ÇÇè¿¡ ÇÊ¿äÇÑ ´Ù¾çÇÑ Á¦Ç°À» °ø±ÞÇÏ°í ÀÖ´Ù.
ÀÌ·¯ÇÑ ´ÙÄ«¶óÀÇ AAVpro
¢ç Á¦Ç°À» ÀÌ¿ëÇϸé, È¿À²ÀûÀÎ transductionÀ» À§ÇÑ °í¿ª°¡ÀÇ AAV¸¦ »ý»ê, ÃßÃâ, Á¤Á¦ ¹× titration ÇÏ¿©, µ¿¹° ¼¼Æ÷³ª °¢°¢ÀÇ µ¿¹° °³Ã¼¿¡ À¯ÀüÀÚ µµÀÔ (
in vivo transduction)ÇÒ ¼ö ÀÖ´Ù.
[±×¸² 1] AAV workflow
0. Overview
AAV (Adeno-associated virus)¶õ?
Adeno-associated virus (AAV)´Â ¸é¿ª¿ø¼ºÀÌ ³·°í, ¼¼Æ÷¿Í Á¶Á÷¿¡ ´ëÇØ À¯ÀüÀÚ µµÀÔ È¿À²ÀÌ ³ô¾Æ, À¯ÀüÀÚ µµÀÔÀÇ µµ±¸ ¶Ç´Â À¯ÀüÀÚ Ä¡·áÀÇ µµ±¸·Î »ç¿ëµÇ¸ç, Adenovirus, Retrovirus, Lentivirusº¸´Ù ¾ÈÀüÇÏ´Ù°í ¾Ë·ÁÁ® ÀÖ´Ù. AAV´Â ºÐ¿¼¼Æ÷¿Í ºñºÐ¿¼¼Æ÷¿¡ ´ëÇØ ¸ðµÎ °¨¿° °¡´ÉÇϸç, ƯÈ÷, ºñºÐ¿¼¼Æ÷¿¡¼´Â Àå±â°£ À¯ÀüÀÚ¹ßÇöÀÌ °¡´ÉÇÏ´Ù´Â °ÍÀÌ Æ¯Â¡ÀÌ´Ù.
AAVÀÇ ±¸Á¶Àû Ư¡
Adeno-Associated Virus (AAV)´Â Parvovirus °úÀÇ Dependovirus ¼Ó¿¡ Æ÷ÇԵǴ non-envelope virusÀÌ´Ù. AAVÀÇ genomeÀº ¾à 4.7kbÀÇ ¼±Çü single-strand DNA·Î, AAV genomeÀÇ ¾ç ¸»´Ü¿¡´Â inverted terminal repeats (ITRs)·Î ºÒ¸®´Â hairpin ±¸Á¶°¡ Á¸ÀçÇÑ´Ù. ITRÀº AAV genomeÀÇ º¹Á¦¿Í AAV particleÀÇ packaging¿¡ °ü¿©ÇÑ´Ù.
AAV´Â »ç¶÷¿¡°Ô´Â ¸é¿ª¿ø¼ºÀÌ ¾ø´Â °ÍÀ¸·Î ¾Ë·ÁÁ® ÀÖÀ¸¸ç, adenovirus ¶Ç´Â herpesvirus¿Í °°Àº helper virus Á¸Àç½Ã¿¡¸¸ Áõ½ÄÀÌ °¡´ÉÇÏ´Ù. Capsid protein¿¡ µû¶ó ´Ù¾çÇÑ serotype (Ç÷ûÇü)ÀÌ Á¸ÀçÇϸç, ÀÌ·Î ÀÎÇØ Á¶Á÷ ȤÀº ¼¼Æ÷¸¦ °¨¿°½ÃÅ°´Â ¹ÙÀÌ·¯½ºÀÇ ´É·Â ¹× Á¶Á÷ ƯÀ̼ºÀÌ ´Ù¸£°Ô ³ªÅ¸³´Ù.
Serotype¿¡ µû¸¥ AAVÀÇ Á¶Á÷ °¨¿° ƯÀ̼º
AAV´Â 100°³ ÀÌ»óÀÇ serotypeÀÌ Á¸ÀçÇϸç, serotype¿¡ µû¶ó Á¾°ú Á¶Á÷¿¡ ´ëÇÑ °¨¿° ƯÀ̼º ¹× Ư¡ÀÌ ´Ù¸£´Ù. ´ÙÄ«¶ó¹ÙÀÌ¿À´Â AAV ¿¬±¸¿¡ °¡Àå ÀϹÝÀûÀ¸·Î »ç¿ëµÇ´Â 4°³ÀÇ serotype (AAV1, AAV2, AAV5, AAV6)¿¡ ´ëÇÑ Á¦Ç°À» Á¦°øÇÏ°í ÀÖ´Ù. AAV2´Â AAV¸¦ È°¿ëÇÑ ¿¬±¸ (¿¹; À¯ÀüÀÚ Ä¡·áÁ¦)¿¡ °¡Àå ¸¹ÀÌ »ç¿ëµÇ¸ç ´Ù¾çÇÑ Á¾°ú Á¶Á÷¿¡ ´ëÇØ °¨¿°´É·ÂÀ» °¡Áö´Â Ư¡ÀÌ ÀÖ°í, AAV1, AAV5, AAV6Àº °¢ Á¶Á÷ º° °¨¿° ƯÀ̼ºÀ» °¡Áö°í ÀÖ´Ù (Ç¥ 1. ÂüÁ¶).
[Ç¥ 1] Serotype¿¡ µû¸¥ AAVÀÇ Á¶Á÷ °¨¿° ƯÀ̼º
AAV serotype |
Origin |
Tissue tropism |
Approved drugs |
AAV1 |
Monkey |
±ÙÀ°, ÁßÃ߽Űæ°è, ½ÉÀå |
|
AAV2 |
Human |
°£, ÁßÃ߽Űæ°è, ±ÙÀ° |
Luxturna (2017)
(À¯ÀüÀû ¸Á¸·ÁúȯÀ» À§ÇÑ in-vivo À¯ÀüÀÚ Ä¡·áÁ¦) |
AAV5 |
Human |
ÁßÃ߽Űæ°è, Æó, ´« |
|
AAV6 |
Human |
±ÙÀ°, ÁßÃ߽Űæ°è, ½ÉÀå, Æó |
|
* [References] Li, Chengwen, and R. Jude Samulski. "Engineering adeno-associated virus vectors for gene therapy."
Nature Reviews Genetics 21.4 (2020): 255-272.
¡Ø À¯ÀüÀÚ µµÀÔÈ¿À²Àº °¢ ½ÇÇèÁ¶°Ç¿¡ µû¶ó ´Þ¶óÁú ¼ö ÀÖÀ¸¹Ç·Î °ü·Ã¹®ÇåÀ» ÂüÁ¶Çϱ⠹ٶø´Ï´Ù.
1. Virus packaging
AAV packaging system
Adeno-associated virus (AAV)´Â ¸é¿ª¿ø¼ºÀÌ ³·°í, ¼¼Æ÷¿Í Á¶Á÷¿¡ ´ëÇØ À¯ÀüÀÚ µµÀÔ È¿À²ÀÌ ³ô¾Æ, À¯ÀüÀÚ µµÀÔÀÇ µµ±¸ ¶Ç´Â À¯ÀüÀÚ Ä¡·áÀÇ µµ±¸·Î »ç¿ëµÇ¸ç, Adenovirus, Retrovirus, Lentivirusº¸´Ù ¾ÈÀüÇÏ´Ù°í ¾Ë·ÁÁ® ÀÖ´Ù. AAV´Â ºÐ¿¼¼Æ÷¿Í ºñºÐ¿¼¼Æ÷¿¡ ´ëÇØ ¸ðµÎ °¨¿° °¡´ÉÇϸç, ƯÈ÷, ºñºÐ¿¼¼Æ÷¿¡¼´Â Àå±â°£ À¯ÀüÀÚ¹ßÇöÀÌ °¡´ÉÇÏ´Ù´Â °ÍÀÌ Æ¯Â¡ÀÌ´Ù.
AAVpro¢ç Helper Free System (AAV1, AAV2, AAV5, AAV6) (Code 6230 ¿Ü)
- Helper virus¸¦ »ç¿ëÇÏÁö ¾Ê°í, ¾ÈÀüÇÏ°Ô AAV1, 2, 5, 6 Á¦ÀÛ (Helper Free System)
- µ¶ÀÚÀûÀÎ AAV extraction solutionÀ» Æ÷ÇÔÇÏ°í ÀÖ¾î, freeze/thaw ¾øÀÌ °£ÆíÇÏ°Ô AAV ÃßÃâ
- ±¸¼º
(1) Expression vector (pAAV-CMV vector)
(2) pRC vector (°¢ serotype º° Cap À¯ÀüÀÚ Æ÷ÇÔ)
(3) pHelper vector
(4) AAV Extraction Solution A / B
- ´Ù¾çÇÑ application Á¦°ø - CRE recombinase, LacZ, Tet-inducible, CRISPR/Cas9 system
AAV packaging cell line
Transfection reagent for AAV packaging
2. Virus extraction and purification
Virus extraction and purification
- ´Ù¾çÇÑserotypeÀÇ AAV ÃßÃâ ¹× Á¤Á¦ °¡´É
- º¹ÀâÇÏ°í ½Ã°£ÀÌ ¿À·¡ ¼Ò¿äµÇ´Â Ultracentrifuge °úÁ¤ ºÒÇÊ¿ä
- Packaging ÈÄÀÇ AAV ÃßÃâºÎÅÍ Á¤Á¦¿¡ ÇÊ¿äÇÑ ¸ðµç component Æ÷ÇÔ
- ´Ù¾çÇÑ ¹æ¹ýÀÇ ÃßÃâ ¹× Á¤Á¦ °úÁ¤ Áö¿ø
Virus concentration
AAVpro¢ç Concentrator (Code 6674)
- °í³óµµÀÇ virus°¡ ÇÊ¿äÇϰųª, storage buffer ±³È¯ÀÌ ÇÊ¿äÇÒ °æ¿ì¿¡ ÃÖÀû
- ¹è¾ç »óÃþ¾×ÀÇ Ç÷û (Serum) À¯¹«¿¡ °ü°è¾øÀÌ ³óÃà °¡´É
- º¹ÀâÇÑ °úÁ¤¾øÀÌ ´Ù¾çÇÑ serotype¿¡ Àû¿ë °¡´É
3. Virus titration