CAR-T cell ¿¬±¸ °³¹ß ¹× T cell ºÐȽÇÇèÀ» À§ÇÑ »õ·Î¿î T cell È®´ë¹è¾ç Solution
- Naive T cell ºñÀ²ÀÌ ³ôÀº È®´ë¹è¾ç¹ý - NaiveÇÑ T-cellÀÇ ºñÀ²ÀÌ ³ôÀº ¹æ¹ý
- °£´ÜÇÑ ÇÁ·ÎÅäÄÝ - 2ÁÖ¸é ¿Ï¼ºµÇ´Â °£´ÜÇÑ T-cell È®´ë¹è¾ç¹ý
Introduction
T lymphocyte (T cells)´Â Ç׿ø¿¡ ´ëÇÑ Æ¯ÀÌÀûÀÎ ¸é¿ª¹ÝÀÀ¿¡¼ ÁÖ¿äÇÑ ¿ªÇÒÀ» ÇÏ¿© ¹ÙÀÌ·¯½º¿¡ °¨¿°µÈ ¼¼Æ÷³ª ¾Ç¼º ¼¼Æ÷ µîÀ» ÀνÄÇÏ¿© Á÷Á¢ Á×ÀÌ´Â ¿ªÇÒÀ» ÇÑ´Ù. ÀÌ·¯ÇÑ ¼¼Æ÷´Â Ç÷¾×¿¡¼ ºÐ¸®µÇ¾î
ex vivo¿¡¼ ¹è¾çÇϸé cancer therapy (¿¹. in adoptive cell therapy with chimeric antigen receptors)¿¡ »ç¿ëµÉ ¼ö ÀÖÀ¸³ª À¯ÀüÀûÀ¸·Î Á¶ÀÛÇϰųª Ä¡·á¿¡ »ç¿ëÇÒ ¸¸Å È®´ë¹è¾ç ÇÏ´Â °Í¿¡ ¾î·Á¿òÀÌ ÀÖ´Ù.
in vitro¿¡¼ T-cell È®´ë¹è¾çÀº interleukin 2 (IL-2) ¼ºÀåÀÎÀÚ¿Í anti-CD3 monoclonal antibody (OKT3 clone)¸¦ °°ÀÌ »ç¿ëÇÏ´Â °ÍÀ¸·Î È¿À²À» ³ôÀÏ ¼ö ÀÖ´Ù. À̶§ CD3 pathwayÀÇ activationÀº T-cellÀÌ IL-2¿¡ ¹Î°¨ÇÏ°Ô ¹ÝÀÀÇϵµ·Ï ¸¸µé¾î ¼¼Æ÷ºÐ¿À» À¯µµÇÑ´Ù. ¶ÇÇÑ, anti-CD3´Â T-cell Ç¥¸é¿¡ CD3 complex¿Í °ü·ÃµÈ receptor¸¦ Æı«ÇÏ¿© antigen receptor¸¦ È°¼ºÈ½ÃŲ´Ù (Tsoukas et al. 1985). À̶§ IL-2, anti-CD3 antibody¿Í ÇÔ²² RetroNectin
¢çÀ» »ç¿ëÇϸé VLA-4, VLA-5 integrinÀ» ÀÚ±ØÇؼ CD8+ T-cellÀÇ È®´ë¹è¾çÀ» ÃËÁøÇÏ°í, T cellÀÇ multifunctionality¿Í
in vivo memory Çü¼ºÀ» ÃËÁøÇÑ´Ù (Hosoi et al. 2014). µû¶ó¼ RetroNectin
¢çÀ» »ç¿ëÇϸé PBMC (peripheral blood mononuclear cells)·ÎºÎÅÍ naiveÇÑ CD8+ T cellÀ» ´õ ¸¹ÀÌ È®´ë¹è¾çÇÒ ¼ö ÀÖ°í, À¯ÀüÀûÀ¸·Î º¯ÇüµÈ T-cellÀÇ È®´ë¹è¾ç È¿À²À» ³ôÀÌ°í º¯ÇüµÈ À¯ÀüÀÚÀÇ Áö¼Ó¼ºÀ» ³ôÀÏ ¼ö ÀÖ´Ù (Yu et al. 2008).
RetroNectin¢ç Recombinant Human Fibronectin Fragment (Code T100A/T100B)¿Í
RetroNectin¢ç GMP grade (Code T202)´Â lentivirus ¶Ç´Â retrovirusÀÇ transduction enhancer·Î transduction È¿À²ÀÌ ³·Àº cell¿¡ Àû¿ëÇϱâ À§ÇØ ¸¹ÀÌ »ç¿ëµÇ°í ÀÖ´Ù. ÀÌ ÄÁÅÙÃ÷¿¡¼´Â transduction enhancer ÀÌ¿Ü PBMC·ÎºÎÅÍÀÇ NaiveÇÑ T-cellÀ» ³ôÀº ºñÁßÀ¸·Î ¹è¾çÇÒ ¼ö ÀÖ´Â È®´ë¹è¾ç application¿¡ ´ëÇØ ¾È³»ÇÑ´Ù.
±×¸² 1. T-cellÀÇ ÃßÃâ ¹× ¿¬±¸°úÁ¤
´ÙÄ«¶óÄÚ¸®¾Æ T-cell È®´ë¹è¾ç °ü·ÃÁ¦Ç°
Solution 1. T cell È®´ë¹è¾çÀÇ »õ·Î¿î Solution
RetroNectin¢ç Recombinant Human Fibronectin Fragment (Code T100A/B)
- ±âÁ¸ÀÇ È®´ë¹è¾ç¹ý (Anti-CD3/Anti-CD28) ´ëºñ Çâ»óµÈ È®´ë¹è¾ç È¿À²*1
- È®´ë¹è¾ç ÈÄ¿¡µµ Naive T cell ºñÀ² À¯Áö
- CAR-T cell ¿¬±¸¿¡ ÃÖÀû: T cell¿¡ µµÀÔµÈ À¯ÀüÀÚÀÇ Àå±â°£ ¹ßÇö*1 ¹× multi-function °È*2
- RetroNectin¢ç GMP grade (Code T202)À¸·Î ÀÓ»ó Àû¿ëµµ °¡´É
*1 Yu, S. S., et al. "In vivo persistence of genetically modified T cells generated ex vivo using the fibronectin CH296 stimulation method."
Cancer gene therapy 15.8 (2008): 508.
*2 Hosoi, Hayato, et al. "Stimulation through very late antigen-4 and-5 improves the multifunctionality and memory formation of CD8+ T cells."
European journal of immunology 44.6 (2014): 1747-1758.
±×¸² 2. RetroNectin¢ç (RN)À» anti-CD3¿Í IL-2¿Í °°ÀÌ »ç¿ëÇÏ¿© 4ÀÏ °£ È®´ë¹è¾çÇÑ °á°ú, ±âÁ¸ ¹æ¹ý ´ëºñ T cellÀÇ »ýÀåÀ» 1.5¹è Áõ°¡½ÃÅ°¸ç, Naive T cellÀÇ ºñÀ²µµ ³ô°Ô À¯ÁöµÇ¾ú´Ù. Peripheral blood T cellÀ»
in vitro¿¡¼ anti-CD3 antibody (OKT3 clone)¿Í IL-2¸¦ »ç¿ëÇؼ 10ÀÏ°£ È®´ë¹è¾ç ÇÑ °á°ú RNÀ» °°ÀÌ »ç¿ëÇÑ °æ¿ì, RNÀ» »ç¿ëÇÏÁö ¾ÊÀº °æ¿ì º¸´Ù ´ë·« µÎ¹è ´õ ¸¹Àº naive T cell (CD45RA+/CCR7+ phenotype)À» »ý»êÇÒ ¼ö ÀÖ¾ú´Ù.
Solution 2. ÇÕ¸®ÀûÀÌ°í °íÇ°ÁúÀÎ Anti-CD3 mAb GMP grade »ç¿ëÇϼ¼¿ä.
Anti-CD3 mAb GMP grade (Code T210)
- T cell È®´ë¹è¾ç¿¡ °¡Àå ¸¹ÀÌ »ç¿ëÇÏ´Â OKT3 Clone »ç¿ë
- RetroNectin¢ç°ú ÇÔ²² »ç¿ëÇϸé È®´ë¹è¾ç È¿À²À» ÃÖ´ë·Î Çâ»ó
- 1 §·/§¢ÀÇ ´ë¿ë·®À¸·Î ÇÕ¸®ÀûÀÎ °¡°Ý¿¡ »ç¿ë
- GMP grade·Î Àӻ󿬱¸¿¡ »ç¿ë °¡´É
(A) ¼¼Æ÷ Áõ½Ä·ü
(B) Ç¥ÇöÇü (CD3/CD4/CD8 ºñÀ²)
(C) K562¼¼Æ÷¿¡¼ ¼¼Æ÷ µ¶¼º ÃøÁ¤
±×¸² 3. T cell È®´ë¹è¾ç¿¡¼ OKT3ÀÇ ¼º´É ºñ±³. Peripheral blood mononuclear cell (PBMC)À» Anti-CD3 mAb·Î ÀÚ±ØÇϸç 5ÀÏ°£ ¹è¾çÇÏ°í, T cell ¹èÁö¿¡ ÀûÀýÈ÷ Èñ¼®ÇÏ¸é¼ 9ÀÏ°£ Ãß°¡ ¹è¾çÇÏ¿´´Ù. È®´ë¹è¾ç ÈÄ (A) ¼¼Æ÷ Áõ½Ä·ü, (B) Ç¥ÇöÇü (CD3/CD4/CD8 ºñÀ²), (C) K562¼¼Æ÷ÀÇ ¼¼Æ÷ µ¶¼º È°¼ºÀ» ºñ±³ÇÑ °á°ú, Anti-CD3 GMP gradeÀÇ Å¸»ç Á¦Ç°°ú µ¿µîÇÑ ¼º´ÉÀ» È®ÀÎÇÏ¿´´Ù.
Solution 3. ¹è¾ç¿ë±â¸¸ ¹Ù²ãµµ ¼¼Æ÷ ¹è¾ç È¿À² up!
CultiLife¢â 215 Culture bag (Code FU0005) &
GT-T610 (CultiLife¢â Eva) Culture bag (Code FU0010)
- °¡½º Åõ°ú¼º culture bagÀ¸·Î, Çöó½ºÅ© ¹è¾ç ´ëºñ ³ôÀº ¼¼Æ÷ ¹è¾ç È¿À²
- Closed cell culture systemÀ¸·Î »ç¿ëÀÚ¿¡ ÀÇÇÑ ¿À¿° ÃÖ¼ÒÈ
- Åõ¸íÇÑ ÀçÁú·Î ±¤ÇÐÇö¹Ì°æÀ¸·Î ¼¼Æ÷ °üÂû °¡´É
±×¸² 4. ¹è¾ç¿ë±â¿¡ ÀÇÇÑ T cell Áõ½Ä¼Óµµ ºñ±³. Human PMBC (Peripheral blood mononuclear cell)¸¦ Anti-CD3 mAbÀÇ Á¸Àç ÇÏ¿¡¼ 4ÀÏ°£ ¹è¾ç ÈÄ, 4Á¾·ùÀÇ T cell ¹è¾ç¹èÁö¿¡ Èñ¼®ÇÏ¿© Ãß°¡·Î 15ÀÏ°£ ¹è¾çÇÏ¿´´Ù. GT-T610 (CultiLife¢â Eva) Culture bagÀ» »ç¿ëÇÑ °á°ú, ¾î¶² ¹èÁö¸¦ »ç¿ëÇÏ¿©µµ ±âÁ¸ Çöó½ºÅ© ¹è¾çº¸´Ù ³ôÀº ¼¼Æ÷ Áõ½Ä·üÀ» º¸¿´´Ù.
Solution 4. Xeno-Free, Serum-Free T cell Àü¿ë ¹è¾ç ¹èÁö »ç¿ëÀ¸·Î, È®´ë¹è¾ç È¿À² Áõ°¡
LymphoONE¢â T-Cell Expansion Xeno-Free Medium, 1L Bottle (Code WK552S)
- Anti-CD3 antibody¿Í IL-2ÀÇ Á¸Àç ÇÏ¿¡¼ T cellÀÇ ³ôÀº Áõ½ÄÀ² À¯Áö
- Xeno-Free, Serum-Free·Îµµ ³ôÀº ¼ºÀ强 À¯Áö
(Human serum albumin (pharmaceutical-grade) ¹× recombinant human insulin Æ÷ÇÔ)
- Endotoxin °Ë»ç¿Ï·á (endotoxin 0.3 EU/§¢ ÀÌÇÏ) ¹× mycoplasma, ¹«±Õ ½ÃÇè ¿Ï·á
±×¸² 5. ´Ù¾çÇÑ serum-free ¹è¾ç¹èÁö¸¦ »ç¿ëÇÑ T cell È®´ë¹è¾ç ºñ±³. µÎ ¸íÀÇ ±â¿©ÀÚÀÇ Ç÷¾×¿¡¼
PBMC (Peripheral blood mononuclear cell)¸¦ ºÐ¸®ÇÏ¿© Anti-CD3 monoclonal antibody¿Í IL-2ÀÇ Á¸Àç ÇÏ¿¡ 4°¡Áö ¹èÁö¸¦ »ç¿ëÇÏ¿© (LymphoONE¢â T-Cell Expansion Xeno-Free Medium, GT-T551 (Takara), X-VIVO 15 (Lonza), AIM V (Thermo Fisher Scientific)) 4ÀÏ°£ CultiLife 215 Culture Bag¿¡¼ ¹è¾çÇÏ¿´´Ù. ÀÌÈÄ IL-2°¡ Ãß°¡µÈ °¢ ¹èÁö¿¡ ÀûÀýÈ÷ Èñ¼® ÈÄ 10Àϵ¿¾È Ãß°¡·Î ¹è¾çÇÏ¿´´Ù. ±× °á°ú 14ÀÏ ÈÄ LymphoONE¢â ¹èÁö¿¡¼ ¹è¾çµÈ ¼¼Æ÷°¡ ´Ù¸¥ ¼¼°¡Áö ¹èÁö¿¡¼ ¹è¾çµÈ ¼¼Æ÷º¸´Ù ´õ¿í ³ôÀº Áõ½ÄÀ²À» º¸¿´´Ù.
Total Solution. RetroNectin¢çÀ» »ç¿ëÇÑ T-cell È®´ë¹è¾ç workflow
±×¸² 6. RetroNectin¢ç, LymphoONE¢â T-Cell Expansion Xeno-Free Medium, CultiLife¢â bag, anti-CD3 mAb¸¦ »ç¿ëÇÑ T cell È®´ë¹è¾ç ÇÁ·ÎÅäÄÝ.