1. RetroNectin plate ¸¸µå´Â ¹æ¹ý (plate ÄÚÆà ¹æ¹ý)
(1) Clean bench¿¡¼ RetroNectin solutionÀ» ³ìÀÎ ÈÄ Àß ¼¯¾îÁÝ´Ï´Ù (Vortexing ÇÏÁö ¸¶¼¼¿ä.). Plate ÄÚÆÃÀ» À§ÇØ, ¸ê±Õ PBS¸¦ ÀÌ¿ëÇÏ¿© RetroNectinÀ» ÀûÀýÇÑ ³óµµ
(20~100 §¶/§¢)*1·Î Èñ¼®ÇÕ´Ï´Ù.
*1 RetroNectinÀÌ filter¿¡ °áÇÕµÉ ¼ö ÀÖÀ¸¹Ç·Î, RetroNectin Èñ¼®¾×À» ¿©°úÇÏÁö ¸¶¼¼¿ä.
(2) RetroNectin Èñ¼®¾×À» plate*2¿¡ 0.25~0.5 §¢/§²ÀÌ µÇµµ·Ï ÷°¡ÇÏ°í (plate ¹Ù´ÚÀÌ Àá±â´Â Á¤µµ), »ó¿Â¿¡¼ 2½Ã°£ ¶Ç´Â 4¡É¿¡¼ overnight
ÄÚÆÃÇÕ´Ï´Ù (24-well plate´Â well ´ç 0.5 §¢, 6-well plate¿¡´Â well ´ç 2 §¢ÀÇ RetroNectin Èñ¼®¾×À» ÷°¡ÇÕ´Ï´Ù.).
*2 ¹Ýµå½Ã ÄÚÆÃÀÌ µÇÁö ¾ÊÀº plate¸¦ »ç¿ëÇÕ´Ï´Ù.
(3) RetroNectin Èñ¼®¾×À» Á¦°ÅÇÏ°í, 2% BSA/PBS¸¦ ÷°¡ÇÏ¿© ½Ç¿Â¿¡¼ 30ºÐ°£*3 blockingÀ» ÁøÇàÇÕ´Ï´Ù (24-well plate¿¡´Â well´ç 0.5 §¢,
6-well plate¿¡´Â well ´ç 2 §¢ ÷°¡ÇÕ´Ï´Ù).
*3 Áï½Ã »ç¿ëÇÒ °æ¿ì blocking °úÁ¤À» »ý·«ÇÏ°í, (4)ÀÇ PBS ¶Ç´Â HBSS/Hepes·Î washingÀ» 2ȸ ÁøÇàÇÕ´Ï´Ù.
(4) 2% BSA/PBS¸¦ Á¦°ÅÇÏ°í, Àû´çÇÑ ¾çÀÇ PBS ¶Ç´Â HBSS/Hepes·Î 1ȸ washing Çϸé RetroNectin ÄÚÆÃplate*4°¡ ¿Ï¼ºµË´Ï´Ù.
*4 2% BSA/PBS·Î blockingÇÑ °æ¿ì, parafilmÀ¸·Î ¹ÐºÀÇÏ°í, ¹ÐºÀµÈ RetroNectin ÄÚÆà plate´Â 4¡É¿¡¼ 1ÁÖÀÏ°£ º¸°ü °¡´ÉÇÕ´Ï´Ù.
2. RetroNectin Bound Virus (RBV) -Static method (Static infection)
(1) ¸ñÀû À¯ÀüÀÚ°¡ ÀçÁ¶ÇÕµÈ Lenti/RetrovirusÀÇ ¿ø¾× ¶Ç´Â Èñ¼®¾×À» RetroNectin ÄÚÆà plate¿¡ 125~250 §¡/§²À¸·Î ÷°¡ ÈÄ, virus particle°ú RetroNectinÀÇ
°áÇÕÀ» À§ÇØ 32~37¡É, 5% CO
2 Á¶°Ç¿¡¼ 4~6½Ã°£ µ¿¾È ¹è¾çÇÕ´Ï´Ù.
(2) RetroNectin ÄÚÆà plate°¡ ¸¶¸£Áö ¾Êµµ·Ï ÁÖÀÇÇϸç virus solutionÀ» Á¦°ÅÇÏ°í, ±× Áï½Ã ÀûÀýÇÑ ¾çÀÇ PBS ¶Ç´Â 0.1~2% albumin (BSA ¶Ç´Â HSA)ÀÌ Æ÷ÇÔµÈ PBS¸¦
÷°¡ÇÕ´Ï´Ù (÷°¡µÈ PBS´Â target cellÀÇ Ã·°¡ Á÷Àü¿¡ Á¦°ÅÇÕ´Ï´Ù).
(3) ºÎÀ¯ »óÅÂÀÇ target cellÀ» ÁغñÇÕ´Ï´Ù. Target cellÀÇ Å©±â ¹× ¼ºÀå¼Óµµ¿¡ µû¶ó ÀûÀýÇÑ ¾ç (ÀϹÝÀûÀ¸·Î 0.05~5x10
5 cells/§²)À» ÷°¡ÇÕ´Ï´Ù.
(4) Virus°¡ ºÎÂøµÈ RetroNectin ÄÚÆà plate¿¡¼ (2)¿¡¼ ÷°¡ÇÑ PBS¸¦ Á¦°ÅÇÏ°í, Áï½Ã (3)¿¡¼ ÁغñÇÑ target cellÀ» ÷°¡ÇÕ´Ï´Ù.
Note : Target cell ÷°¡ ÈÄ centrifugationÀ» Çϸé, target cell°ú Lenti/RetrovirusÀÇ Á¢ÃËÀ» Áõ°¡½Ãų ¼ö ÀÖ½À´Ï´Ù.
(5) 37¡É, 5% CO
2 Á¶°Ç¿¡¼ ¼¼Æ÷¸¦ ¹è¾çÇÕ´Ï´Ù.
3. RetroNectin Bound Virus (RBV) -Spin method (Centrifugal infection)
Note: Multi-well plate¸¦ »ç¿ëÇÏ´Â °æ¿ì, wellÀÇ À§Ä¡¿¡ µû¶ó À¯ÀüÀÚ µµÀÔ È¿À²ÀÌ ´Þ¶óÁú ¼ö ÀÖ½À´Ï´Ù. °¡´ÉÇϸé plateÀÇ °¡Àå ÀÚ¸®¸¦ ÇÇÇØ Áß¾ÓÀÇ wellÀ» »ç¿ëÇϼ¼¿ä.
(1) ¸ñÀû À¯ÀüÀÚ°¡ ÀçÁ¶ÇÕµÈ Lenti/RetrovirusÀÇ ¿ø¾× ¶Ç´Â Èñ¼®¾×À» RetroNectin ÄÚÆà plate¿¡ 125~250 §¡/§²À¸·Î ÷°¡ÇÕ´Ï´Ù.
(2) Virus particle°ú RetroNectinÀÇ °áÇÕÀ» À§ÇØ 32¡É, 2,000 x
g·Î 2½Ã°£ µ¿¾È centrifugationÇÕ´Ï´Ù.
(3) RetroNectin ÄÚÆà plate°¡ ¸¶¸£Áö ¾Êµµ·Ï ÁÖÀÇÇϸç virus solutionÀ» Á¦°ÅÇÏ°í, ±× Áï½Ã ÀûÀýÇÑ ¾çÀÇ PBS ¶Ç´Â 0.1~2% albumin (BSA ¶Ç´Â HSA)ÀÌ
Æ÷ÇÔµÈ PBS¸¦ ÷°¡ÇÕ´Ï´Ù (÷°¡µÈ PBS´Â target cellÀÇ Ã·°¡ Á÷Àü¿¡ Á¦°ÅÇÕ´Ï´Ù).
(4) ºÎÀ¯ »óÅÂÀÇ target cellÀ» ÁغñÇÕ´Ï´Ù. Target cellÀÇ Å©±â ¹× ¼ºÀå¼Óµµ¿¡ µû¶ó ÀûÀýÇÑ ¾ç (ÀϹÝÀûÀ¸·Î 0.05~5x10
5 cells/§²)À» ÷°¡ÇÕ´Ï´Ù.
(5) Virus°¡ ºÎÂøµÈ RetroNectin ÄÚÆà plate¿¡¼ (3)¿¡¼ ÷°¡ÇÑ PBS¸¦ Á¦°ÅÇÏ°í, Áï½Ã (4)¿¡¼ ÁغñÇÑ target cellÀ» ÷°¡ÇÕ´Ï´Ù.
Note : Target cell ÷°¡ ÈÄ centrifugationÀ» Çϸé, target cell°ú Lenti/RetrovirusÀÇ Á¢ÃËÀ» Áõ°¡½Ãų ¼ö ÀÖ½À´Ï´Ù.
(6) 37¡É, 5% CO
2 Á¶°Ç¿¡¼ ¼¼Æ÷¸¦ ¹è¾çÇÕ´Ï´Ù
4. Supernatant method (Static infection)
(1) ¸ñÀû À¯ÀüÀÚ°¡ ÀçÁ¶ÇÕµÈ Lenti/Retrovirus ¿ø¾× ¶Ç´Â Èñ¼®¾×, target cell, culture mediumÀ» ¼¯½À´Ï´Ù.
(2) (1)ÀÇ ¿ë¾×À» RetroNectin ÄÚÆà plate¿¡ 0.25~1 §¢/§²À¸·Î ÷°¡ÇÕ´Ï´Ù. Target cellÀÇ Å©±â ¹× ¼ºÀå¼Óµµ¿¡ µû¶ó ÀûÀýÇÑ ¾ç
(ÀϹÝÀûÀ¸·Î 0.05~5x10
5 cells/§²)À» ÷°¡ÇÕ´Ï´Ù.
(3) 37¡É, 5% CO
2 Á¶°Ç¿¡¼ ¼¼Æ÷¸¦ ¹è¾çÇÕ´Ï´Ù.
5. Supernatant method (Centrifugal infection)
(1) ¸ñÀû À¯ÀüÀÚ°¡ ÀçÁ¶ÇÕµÈ Lenti/Retrovirus ¿ø¾× ¶Ç´Â Èñ¼®¾×, target cell, culture mediumÀ» ¼¯½À´Ï´Ù.
(2) (1)ÀÇ ¿ë¾×À» RetroNectin ÄÚÆà plate¿¡ 0.25~1 §¢/§²À¸·Î ÷°¡ÇÕ´Ï´Ù. Target cellÀÇ Å©±â ¹× ¼ºÀå¼Óµµ¿¡ µû¶ó ÀûÀýÇÑ ¾ç
(ÀϹÝÀûÀ¸·Î 0.05~5x10
5 cells/§²)À» ÷°¡ÇÕ´Ï´Ù.
(3) 25~37¡É, 1,000 x
g¿¡¼ 30ºÐ°£ centrifugationÀ» ÁøÇàÇÏ¿© virus particle°ú target cellÀÌ RetroNectin°ú °áÇÕÇϵµ·Ï ÇÕ´Ï´Ù.
(4) 37¡É, 5% CO
2 Á¶°Ç¿¡¼ ¼¼Æ÷¸¦ ¹è¾çÇÕ´Ï´Ù.
6. RetroNectin Bound Virus (RBV) - LTS method
¹è¾ç ¸éÀû 362.5 cm2ÀÇ RetroNectin ÄÚÆà bagÀ» ÀÌ¿ëÇÑ °æ¿ì
*1 È¿À²ÀûÀÎ RetroNectinÀÇ ÄÚÆÃÀ» À§ÇØ culture bagÀº Å×Ç÷Р¼ÒÀ縦 ±ÇÀåÇÕ´Ï´Ù.
*2 RetroNectin ÄÚÆà bagÀÇ Å©±â¿Í ÀçÁú¿¡ µû¶ó ȸÀü ¼Óµµ ¹× ¹è¾ç ½Ã°£Àº ´Ù¸¦ ¼ö ÀÖ½À´Ï´Ù.
RBV-LTS ¹ýÀÇ »ó¼¼ÇÑ ÇÁ·ÎÅäÄÝÀº ¾Æ·¡ ³í¹®À» ÂüÁ¶Çϼ¼¿ä.
An Efficient Large-Scale Retroviral Transduction Method Involving Preloading the Vector into a RetroNectin -Coated Bag with Low-Temperature Shaking.
Dodo K, Chono H, Saito N, Tanaka Y, Tahara K, Nukaya I and Mineno J.
PLoS ONE (2014 )
9 (1) : e86275.