RetroNectin¢çÀÇ ´Ù¾çÇÑ ÃֽŠapplication
https://doi.org/10.3389/fimmu.2021.715000
Chimeric Antigen Receptor T Cells With Modified Interleukin-13 Preferentially Recognize IL13R¥á2 and Suppress Malignant Glioma: A Preclinical Study
Kiwan Kim, Ho-Shin Gwak, Nayoung Han, Eun Kyung, Hong, Beom K Choi, Sangeun Lee, Soyoung Choi, Ju-Hwang Park, Ji-Hye Seok, Yeongha Jeon, Hyuntae Cho, Song-Jae Lee, Yura Lee, Ki Taek Nam, Seong-Won Song
¾Æ·¡ ³»¿ëÀº ´ÙÄ«¶óÄÚ¸®¾Æ¿¡¼ Á÷Á¢ ¹ø¿ªÇÑ ³»¿ëÀ¸·Î, Çؼ®ÇÏ´Â °úÁ¤¿¡¼ ¿øÀÛÀÚÀÇ Àǵµ¿Í »óÀÌÇÑ ³»¿ëÀÌ Æ÷ÇԵǾî ÀÖÀ» ¼ö ÀÖ½À´Ï´Ù. Çмú Á¤º¸¸¦ ¸ñÀûÀ¸·Î ÇÏ´Â °æ¿ì ¿ø¹®À» Âü°íÇÏ¿© Áֽñ⸦ ¹Ù¶ø´Ï´Ù.
¡á Abstract ¹Ì¸®º¸±â
Interleukin-13 receptor ¥á 2 (IL13R¥á2)´Â È°¿ë¼ºÀÌ ¸Å¿ì ±â´ëµÇ´Â ¾Ç¼º ³ú±³Á¾ (MG, malignant glioma)ÀÇ Á¾¾ç À¯µµ Ç׿øÀÌ´Ù. º» ³í¹®¿¡¼´Â MG cellÀÇ IL13R¥á2¿¡ ¼±ÅÃÀûÀ¸·Î °áÇÕÇÏ´Â YYB-103 CAR (chimeric antigen receptor)-T cellÀÇ È¿À²°ú ¾ÈÀü¼º¿¡ ´ëÇØ °ËÁõÇÏ¿´´Ù. ÀÌ °úÁ¤¿¡¼ IL13´Â ¼¼Æ÷ ¿Ü µµ¸ÞÀÎÀÇ ¾Æ¹Ì³ë»êÀ» E13K, R66D, S69D, R109K·Î ġȯÇÏ¿© º¯ÇüÇÏ¿´°í, retrovirus¸¦ ÀÌ¿ëÇØ Àΰ£ T cell¿¡ ¾ÈÁ¤ÀûÀ¸·Î ÇüÁú °¨¿° ½ÃÄ×´Ù.
In vitro¿¡¼ YYB-103 CAR-T ¼¼Æ÷ÀÇ È¿´ÉÀº IL13R¥á1°ú IL13R¥á2ÀÇ ¹ßÇöÀÌ ´Ù¸£°Ô º¸ÀÌ´Â ¼¼Æ÷ÁÖ¿¡¼ ºÐ¼®ÇÏ¿´´Ù. ¶ÇÇÑ, MG ¸¶¿ì½º ¸ðµ¨¿¡¼ ³ú½Ç ³» (intra-cerebroventricular, i.c.v.)¿Í Á¤¸Æ ³» (intravenous, i.v.) °æ·Î¸¦ ÅëÇÑ YYB-103 CAR-T cellÀÇ »ýü ³» È¿´ÉÀ» È®ÀÎÇÏ¿´´Ù. ÀÌÈÄ WHO grade 3/4¿¡ ÇØ´çÇÏ´Â 53¸íÀÇ È¯ÀÚ ¼ö¼ú Ç¥º»À» »ç¿ëÇÏ¿© MGÀÇ ¸é¿ªÁ¶Á÷ ÈÇÐ ¿°»öÀ» ¼öÇàÇÏ°í, ¿°»ö °µµ¿Í ¾ç¼º ¼¼Æ÷ÀÇ ¹éºÐÀ²À» ÅëÇØ IL13R¥á2 ¹ßÇöÀ» H-score·Î Á¤·® ÇÏ¿´´Ù. ±× °á°ú YYB-103ÀÇ binding affinity assay´Â ÀÌÀü¿¡ º¸°íµÈ IL13 modification (E13Y)º¸´Ù ´õ¿í ƯÀ̼ºÀÌ ¶Ù¾î³ª IL13R¥á1°ú´Â °áÇÕÇÏÁö ¾ÊÀ½À» Áõ¸íÇÏ¿´´Ù. YYB-103 CAR-T cellÀº U87MG (IL13R¥á1 + / IL13R¥á2 + ) cell°ú co-cultureÇßÀ» ¶§ ¼±ÅÃÀûÀ¸·Î µ¶¼ºÀ» ³ªÅ¸³ÂÁö¸¸, A431 (IL13R¥á1+ / IL13R¥á2- ) cell¿¡¼´Â µ¶¼ºÀ» ³ªÅ¸³»Áö ¾Ê¾Ò´Ù. ÀÌ¿Í ÀÏ°üµÇ°Ô U87 MG cellÀÌ orthothopic injectionµÈ ´©µå ¸¶¿ì½º¿¡¼µµ YYB-103 CAR-T cellÀÌ Á¾¾ç ¼ºÀåÀ» ¾ïÁ¦ÇÏ´Â °ÍÀ» È®ÀÎÇÏ¿´´Ù. ¶ÇÇÑ YYB-103 CAR-T cellÀ» i.c.v.¿Í i.v.·Î ÁÖ»çÇßÀ» ¶§ ¸ðµÎ Á¾¾ç ºÎÇǸ¦ °¨¼Ò½ÃÅ°°í Á¾¾çÀ» °¡Áö´Â ¸¶¿ì½º ÀüüÀÇ »ýÁ¸ ±â°£À» ¿¬ÀåÇÏ¿´´Ù. ȯÀÚ À¯·¡ MG Á¶Á÷¿¡¼ÀÇ IL13R¥á2¿¡ ´ëÇÑ H-score Áß¾Ó °ªÀº 5 (Æò±Õ 57.5, SD 87.2, ¹üÀ§ 0~300)·Î ºÐ¼®µÇ¾ú´Ù. ÀÌ ÀüÀÓ»ó ¿¬±¸´Â MG cell¿¡¼ÀÇ IL13R¥á2-targeted YYB-103 CAR-T cellÀÇ È¿´ÉÀ» Áõ¸íÇÏ¿´´Ù. CAR¸¦ ±¸¼ºÇÏ´Â º¯ÇüµÈ IL13Àº IL13R¥á1¸¦ ¹ßÇöÇÏ´Â ¼¼Æ÷´Â º¸Á¸ÇÏ¸é¼ IL13R¥á2¸¦ ¹ßÇöÇÏ´Â MG cell¸¸ ¼±ÅÃÀûÀ¸·Î Ç¥ÀûÇÏ¿´´Ù. ƯÈ÷ YYB-103 CAR-T cellÀº È¿°úÀûÀ¸·Î blood-brain barrier (BBB) ±³Â÷¸¦ ¾ïÁ¦ Çϸé¼, µÎ°³ ³» ÁÖ»ç (intracranial injection)º¸´Ù Á¤¸Æ ³» Áֻ簡 ´õ È¿°úÀûÀÓÀ» ½Ã»çÇÏ¿´´Ù. ÀÌ·¯ÇÑ ±³¸ð¼¼Æ÷Á¾ (glioblastoma)¿¡¼ÀÇ IL13R¥á2ÀÇ ³ôÀº H-score´Â ÇâÈÄ Àç¹ß¼º ±³¸ð¼¼Æ÷Á¾ ȯÀÚ¸¦ ´ë»óÀ¸·Î ÇÑ ÀÓ»ó ½ÃÇè¿¡¼ YYB-103 CAR-T cellÀÌ Àû°Ý¼ºÀ» °áÁ¤ÇÏ´Â µ¥ »ç¿ëµÉ ¼ö ÀÖÀ» °ÍÀ¸·Î »ý°¢µÈ´Ù.
¡á ³í¹®¿¡¼ »ç¿ëµÈ Takara °ü·Ã Á¦Ç° ¾Ë¾Æº¸±â
RetroNectin¢ç (Recombinant Human Fibronectin Fragment) (Code T100A)
- Lentivirus, RetrovirusÀÇ µµÀÔ È¿À² ±Ø´ëÈÇÏ´Â transduction enhancer
- 3°³ÀÇ domainÀ» ÅëÇØ ¹ÙÀÌ·¯½º¿Í ¸ñÀû ¼¼Æ÷ÀÇ ¹°¸®Àû °Å¸®¸¦ °¡±õ°Ô ÇÏ´Â ¿ø¸®
- Polybrene, Protamine ´ëºñ ³·Àº ¼¼Æ÷ µ¶¼º
https://doi.org/10.3389/fimmu.2020.591054
Potentiating the Antitumor Activity of Cytotoxic T Cells via the Transmembrane Domain of IGSF4 That Increases TCR Avidity
Hye-Ran Kim, Jeong-Su Park, Yasmin Fatima, Maiza Kausar, Jin-Hwa Park, Chang-Duk Jun
¾Æ·¡ ³»¿ëÀº ´ÙÄ«¶óÄÚ¸®¾Æ¿¡¼ Á÷Á¢ ¹ø¿ªÇÑ ³»¿ëÀ¸·Î, Çؼ®ÇÏ´Â °úÁ¤¿¡¼ ¿øÀÛÀÚÀÇ Àǵµ¿Í »óÀÌÇÑ ³»¿ëÀÌ Æ÷ÇԵǾî ÀÖÀ» ¼ö ÀÖ½À´Ï´Ù. Çмú Á¤º¸¸¦ ¸ñÀûÀ¸·Î ÇÏ´Â °æ¿ì ¿ø¹®À» Âü°íÇÏ¿© Áֽñ⸦ ¹Ù¶ø´Ï´Ù.
¡á Abstract ¹Ì¸®º¸±â
°·ÂÇÑ T-cell ¹ÝÀÀÀº antitumor immunity¸¦ Áö¼ÓÇÏ´Â µ¥ ÀÖ¾î Áß¿äÇÑ ¿ä¼Ò´Ù. ÀÌ¿Í °ü·ÃÇÏ¿© Á¾¾çÀÇ Ç׿ø Ç¥ÀûÈ¿¡ °ü¿©ÇÏ´Â TCRÀÇ °áÇÕ·Â (avidity)´Â T-cell ¹ÝÀÀÀÇ quality¿¡ ±²ÀåÈ÷ Áß¿äÇÏ°Ô ÀÛ¿ëÇÑ´Ù. º» ¿¬±¸¿¡¼´Â His177°ú Asp36 °£ÀÇ »óÈ£ÀÛ¿ëÀ» ÅëÇØ, immunoglobulin superfamily member 4 (IGSF4)ÀÇ transmembrane (TM) µµ¸ÞÀΰú CD3 ¥æ-chainÀÇ TMÀÌ °áÇÕÇÏ¿© IGSF4-CD3 ¥æ dimer¸¦ Çü¼ºÇÔÀ» º¸°íÇÏ¿´´Ù. IGSF4´Â ¶ÇÇÑ TM µµ¸ÞÀÎÀÇ GxxVA º¯ÇüÀ» ÅëÇØ µ¿Á¾ÀÌ·®Ã¼ (homo-dimer)¸¦ Çü¼ºÇÔÀ¸·Î½á, Å« Å©±âÀÇ TCR cluster¸¦ ±¸¼ºÇÑ´Ù. ¼¼Æ÷ ¿Ü µµ¸ÞÀÎÀÌ °á¿©µÈ IGSF4 (IG4¥ÄEXT, deletion mutation of the extracellular domain of IGSF4)ÀÇ °ú¹ßÇöÀº OTI CD8+ T cellÀÌ IFN-¥ã¿Í TNF-¥á¸¦ ¹æÃâÇÏ°í, OVA+ -B16F10 Èæ»öÁ¾ ¼¼Æ÷ÀÇ »ç¸êÀ» À¯µµÇÑ´Ù. µ¿¹° ¸ðµ¨¿¡¼µµ IG4¥ÄEXT´Â B16F10 Á¾¾çÀÇ ÀüÀÌ¿Í ¼ºÀåÀ» À¯ÀÇÇÏ°Ô °¨¼Ò½ÃÄ×´Ù. À̸¦ Á¾ÇÕÇÑ °á°ú IGS4ÀÇ TM µµ¸ÞÀÎÀÌ TCR °áÇÕ·ÂÀ» Á¶ÀýÇÒ ¼ö ÀÖÀ½À» ³ªÅ¸³»¸ç, TCR °áÇÕ·Â Á¶ÀýÀ» ÅëÇØ cytotoxic T cellÀÇ Ç×Á¾¾ç È°¼ºÀ» °³¼±½ÃÅ°´Â µ¥ Áß¿äÇÑ ¿ªÇÒÀ» ÇÔÀ» È®ÀÎÇÒ ¼ö ÀÖ´Ù.
¡á Takara Á¦Ç°À» ÀÌ¿ëÇÑ method ¹Ì¸®º¸±â
RetrovirusÀÇ transductionÀ» À§ÇØ 6§² Å©±âÀÇ dish¿¡ 1 x 10
6°³ÀÇ retroviral packaging cellÀ» seedingÇÏ°í overnight µ¿¾È ¹è¾çÇÏ¿´´Ù. ÇØ´ç ¼¼Æ÷¿¡ retroviral vector (EV, wt-IG4, IG4¥ÄEXT)¿Í packaging vector¸¦ transfectionÇÏ¿© retrovirus particleÀ» »ý»êÇÏ¿´´Ù. 48½Ã°£ ÀÌÈÄ È¸¼öÇÑ »óÃþ¾×Àº 20 §¶/§¢ÀÇ
RetroNectin¢ç (Code T100A)ÀÌ ÄÚÆÃµÈ 12 well plate¿¡¼ ¹è¾çµÈ 1 x 10
6°³ÀÇ mouse T cell°ú È¥ÇÕÇÏ¿´°í, rIL-2 (100 U/§¢) ¸¦ Ãß°¡ÇÏ¿© 22,000 x g, 25 ¡ÆCÀÇ Á¶°Ç¿¡¼ 90ºÐ°£ ¿ø½ÉºÐ¸® ÇÏ¿´´Ù. TransductionµÈ T cellÀ» rIL-2¸¦ Æ÷ÇÔ ÇÏ´Â »õ·Î¿î ¹èÁö¿¡¼ 3ÀÏ°£ À¯Áö ¹× ¹è¾çÇÏ¿´°í, GFP¸¦ ¹ßÇöÇÏ´Â ¼¼Æ÷´Â °¨¿° ÈÄ 2ÀÏ Â÷¿¡ ÃøÁ¤ÇÏ¿´´Ù. Retrovirus transductionÀ» À§ÇØ, mouse CD8+ T cellÀº 2 §¶/§¢ÀÇ anti-CD3/28ÀÌ ÄÚÆÃµÈ plate¿¡¼ rIL-2 (100 U/§¢)¿Í ÇÔ²² 48½Ã°£ µ¿¾È ¹è¾çÇÏ¿´´Ù
https://doi.org/10.3390/ijms22031449
In Situ Preconditioning of Human Mesenchymal Stem Cells Elicits Comprehensive Cardiac
Repair Following Myocardial Infarction
Woo-Sup Sim, Bong-Woo Park, Kiwon Ban, Hun-Jun Park
¾Æ·¡ ³»¿ëÀº ´ÙÄ«¶óÄÚ¸®¾Æ¿¡¼ Á÷Á¢ ¹ø¿ªÇÑ ³»¿ëÀ¸·Î, Çؼ®ÇÏ´Â °úÁ¤¿¡¼ ¿øÀÛÀÚÀÇ Àǵµ¿Í »óÀÌÇÑ ³»¿ëÀÌ Æ÷ÇԵǾî ÀÖÀ» ¼ö ÀÖ½À´Ï´Ù. Çмú Á¤º¸¸¦ ¸ñÀûÀ¸·Î ÇÏ´Â °æ¿ì ¿ø¹®À» Âü°íÇÏ¿© Áֽñ⸦ ¹Ù¶ø´Ï´Ù.
¡á Abstract ¹Ì¸®º¸±â
¼ºÃ¼ Áٱ⼼Æ÷ Áß °¡Àå ´ëÇ¥ÀûÀÎ human bone marrow-derived mesenchymal stem cells (BM-MSCs)´Â ¼¼Æ÷¸¦ ±â¹ÝÀ¸·Î ÇÑ ½É±Ù Àç»ý Ä¡·á¹ýÀÇ À¯¸ÁÇÑ ¼Ò½º·Î ¿©°ÜÁ® ¿Ô´Ù. ÇÏÁö¸¸, ¼è¾àÇÑ »óÅÂÀÇ ½ÉÀå¿¡ À̸¦ Åõ¿©ÇÑ ÈÄ ¼¼Æ÷ÀÇ »ýÁ¸À²°ú À¯ÁöµÇ´Â Á¤µµ°¡ ³·¾Æ, ÀÓ»ó Àû¿ë¿¡ »ó´çÇÑ ¾î·Á¿òÀÌ ÀÖ¾ú´Ù. º» ³í¹®ÀÇ ÀúÀÚµéÀº BM-MSCÀÇ Ä¡·áÀû È¿°ú °³¼±À» À§ÇØ, rat ½É ±Ù°æ»öÁõ (myocardial infarction, MI) ¸ðµ¨ ¿¡¼
in situ preconditioningÀ̶ó´Â »õ·Î¿î Ä¡·á Ç÷§ÆûÀ» ¿¬±¸ÇÏ¿´´Ù.
In situ preconditioningÀº À¯ÀüÀûÀ¸·Î Á¶ÀÛµÈ hepatocyte growth factor-expressing MSCs (HGF-eMSCs)¿Í heart-derived extracellular matrix (hdECM) hydrogelÀ» BM-MSC¿Í ÇÔ²² ó¸®ÇÏ¿© À¯µµÇÑ´Ù. °á°úÀûÀ¸·Î, º» ³í¹®¿¡¼´Â cell mixture¸¦ Æ÷ÇÔÇÑ
in situ preconditioningÀÌ MIÀ» À¯µµÇÑ ratÀÇ ½ÉÀå¿¡¼ÀÇ BM-MSCs »ýÁ¸°ú À¯Áö¸¦ ½ÇÁúÀûÀ¸·Î °³¼±ÇÏ¿´À½À» ÀÔÁõÇÏ¿´´Ù. MI ½ÉÀå¿¡¼ÀÇ ½É±Ù º¸È£¿Í Ç÷°ü Çü¼º °È¸¦ ÅëÇØ BM-MSCs°¡ ´õ Àß À¯ÁöµÇ¸é¼ ±Ã±ØÀûÀ¸·Î ½É±Ù ±â´ÉÀÌ °³¼±µÇ¾ú´Ù. ÀÌ °á°ú´Â BM-MSC¸¦ ÀÌ¿ëÇÑ Ä¡·áÀÇ °¡´É¼ºÀ» °³¼±Çϱâ À§ÇØ °í¾ÈµÈ in situ preconditioningÀÌ MI ½ÉÀåÀÇ Ä¡·á¿¡ È¿°úÀûÀÎ Àü·«ÀÌ µÉ ¼ö ÀÖÀ½À» Áõ¸íÇÏ¿´´Ù.
¡á Takara Á¦Ç°À» ÀÌ¿ëÇÑ method ¹Ì¸®º¸±â
Hepatocyte growth factor (HGF)¸¦ Áö¼ÓÀûÀ¸·Î ¹ßÇöÇϵµ·Ï hMSC¸¦ Á¶ÀÛÇÏ¿´´Ù. ¸ÕÀú, °¢ c-Myc¿Í hTERT¸¦ Æ÷ÇÔÇÏ´Â replication incompetent lentiviral vector¸¦ Á¦ÀÛÇÏ¿´°í, Tet-off system »ç¿ëÀ» À§ÇØ tetracycline trans-activator proteinÀ» ¹ßÇöÇÏ´Â gene construct¿Í ÇÔ²² µµÀԵǾú´Ù. ÀÌÈÄ
Lenti-X¢â 293T Cell Line¿¡ transfectionÇÏ¿© Lentivirus¸¦ »ý»êÇÏ¿´À¸¸ç, »ý»êÇÑ Lentivirus´Â
RetroNectin¢çÀ» ÀÌ¿ëÇØ 100 multiplicity of infection (MOI)·Î BM-MSCs¿¡ transduction ½ÃÄ×´Ù. Lentivirus °¨¿° ÈÄÀÇ ¼¼Æ÷ ¼±º° °úÁ¤¿¡¼´Â Zeocin (500 §¶/§¢)¿Í puromycin (1 §¶/§¢)¸¦ »ç¿ëÇß´Ù.
¡á ³í¹®¿¡¼ »ç¿ëµÈ Takara °ü·Ã Á¦Ç° ¾Ë¾Æº¸±â
Lenti-X¢â 293T Cell Line (Code 632180)
- ³ôÀº ¿ª°¡ÀÇ Lentivirus »ý»êÀ» À§ÇØ Á¦ÀÛµÈ 293T clone
- 293FT cell lineÀÇ 6¹è, HEK293 cell line¿¡ ºñÇÏ ¿© 30¹è ³ôÀº ¿ª°¡ÀÇ ¹ÙÀÌ·¯½º »ý»ê °¡´É
https://doi.org/10.3390/app11083696
Effect of Allium senescens Extract on Sorafenib Resistance in Hepatocarcinoma Cells
Sohyeon Park, Yoonjin Park, Heejong Shin, Boyong Kim, Seunggwan Lee
¾Æ·¡ ³»¿ëÀº ´ÙÄ«¶óÄÚ¸®¾Æ¿¡¼ Á÷Á¢ ¹ø¿ªÇÑ ³»¿ëÀ¸·Î, Çؼ®ÇÏ´Â °úÁ¤¿¡¼ ¿øÀÛÀÚÀÇ Àǵµ¿Í »óÀÌÇÑ ³»¿ëÀÌ Æ÷ÇԵǾî ÀÖÀ» ¼ö ÀÖ½À´Ï´Ù. Çмú Á¤º¸¸¦ ¸ñÀûÀ¸·Î ÇÏ´Â °æ¿ì ¿ø¹®À» Âü°íÇÏ¿© Áֽñ⸦ ¹Ù¶ø´Ï´Ù.
¡á Abstract ¹Ì¸®º¸±â
Allium Á¾Àº »ýü È°¼º¿¡ °ü¿©ÇÏÁö¸¸,
Allium senescenes °¡ °£¾Ï¿¡¼ ¾à¹° ³»¼º°ú °ü·ÃµÇ´ÂÁö¿¡ ´ëÇÑ ¿¬±¸´Â ¾ÆÁ÷±îÁö ÁøÇàµÈ ¹Ù°¡ ¾ø´Ù.
A. senescenes ÃßÃâ¹° ³» ¸î¸î »ý¸® È°¼º ÈÇÕ¹° ³óµµ¸¦ °áÁ¤Çϱâ À§ÇØ Ultra-high performance liquid chromatography¸¦ ÀÌ¿ëÇßÀ¸¸ç, ÀÌÈÄ HepG2 cell ¿¡¼ flow cytometry, ¿ªÀü»ç ¹× PCR ¹ÝÀÀ, siRNA ¸Å°³ knockdown À» ÅëÇØ ´Ù¾çÇÑ ¸¶Ä¿ÀÇ ¼öÁØÀ» Æò°¡ÇÏ¿´´Ù. ÃßÃâ¹°·ÎºÎÅÍ 4.7291 ¡¾ 0.06 §¶/§¢ ¼öÁØÀÇ
p-coumarin acid ¸¦ ¾ò¾úÀ¸¸ç,
p-coumarin acid Á¸Àç ÇÏ¿¡¼ Ç×»ýÁ¦ ³»¼º ¼¼Æ÷´Â 2.1 ¹è ³·Àº ¼öÁØÀÇ protein relevant evolutionary and lymphoid interest (PRELI)À» ³ªÅ¸³Â´Ù. ³»¼º ¼¼Æ÷´Â ÃßÃâ¹° ȤÀº
p-coumarin acid¿¡ ³ëÃâµÇ¾úÀ» ¶§¿Í PRELI °¡ knockdown µÇ¾úÀ» ¶§, influx ´Ü¹éÁú (OCT-1)°ú ¹Ý´ë·Î efflux transporter (ABCB1, ABCC2, ABCG2)¸¦ °ÇÏ°Ô down regulation ÇÔÀ» º¸¿´´Ù. ¶ÇÇÑ, ÃßÃâ¹°Àº ¹ÌÅäÄܵ帮¾ÆÀÇ ¼¼Æ÷ ÀÚ¸ê»ç (mitochondrial apoptosis)¸¦ À¯µµÇÏ°í, ÀÚ°¡ Æ÷½Ä (autophagy) ÀÛ¿ëÀ» ¾ïÁ¦Çß´Ù. °á°úÀûÀ¸·Î ¾à¹° ¼ö¼Ûü ¹ßÇöÀÇ Á¶Àý, ÀÚ°¡ Æ÷½Ä È°¼ºÈ ¹× ¹ÌÅäÄܵ帮¾Æ ¼¼Æ÷ ÀÚ¸ê»ç¿¡ °ü¿©ÇÏ´Â ÁÖ¿ä ´Ü¹éÁúÀÎ PRELI Àº ÃßÃâ¹°°ú p-coumarin acid ·Î ÀÎÇØ downregulation µÇ¾ú°í, ÀÌ´Â HepG2 cellÀÇ ¾à¹° ³»¼ºÀ» ¾àȽÃÄ×´Ù. ÀÌ °á°ú´Â
A. senescens ÃßÃâ¹°ÀÌ ¾Ï¼¼Æ÷°¡ ¾à¹° ³»¼ºÀ» °¡Áö´Â °ÍÀ» ¸·°í, °£¾Ï¿¡¼ÀÇ sorafenibÀÇ È¿´ÉÀ» À¯ÁöÇÏ´Â µ¥ ±àÁ¤ÀûÀÎ È¿°ú¸¦ º¸ÀÓÀ» ³ªÅ¸³½´Ù.
¡á Takara Á¦Ç°À» ÀÌ¿ëÇÑ method ¹Ì¸®º¸±â
¹è¾çµÈ HepG2 cell ¿¡ 24 ½Ã°£ µ¿¾È PRELI siRNA ¿Í control siRNA oligonucleotide (negative and positive)À» transfection ÇÑ ÈÄ, 24 ½Ã°£ µ¿¾È sorafenib¿¡ ³ëÃâ½ÃÄ×´Ù. ºÐ¼® °á°ú´Â negative, positive control ·Î º¸Á¤ÇÏ¿´´Ù. PRELI °ú¹ßÇöÀ» À§Çؼ, ¹è¾çµÈ HepG2 cell¿¡ PRELI Lentiviral Activation particleÀ» °¨¿°½ÃÄ×°í, À̶§
RetroNectin¢çÀ» ÇÔ²² ó¸®ÇÏ¿´´Ù
¡á ³í¹®¿¡¼ »ç¿ëµÈ Takara °ü·Ã Á¦Ç° ¾Ë¾Æº¸±â
RetroNectin¢ç (Recombinant Human Fibronectin Fragment) (Code T100A)
- Lentivirus, RetrovirusÀÇ µµÀÔ È¿À² ±Ø´ëÈÇÏ´Â transduction enhancer
- T cell È®´ë¹è¾çÀ» À§ÇÑ co-stimulation È¿À² È®ÀÎ (with Anti-CD3 antibody
- CAR-T therapy ¿¬±¸ ½Ã ÃÖÀû
: ÇϳªÀÇ ½Ã¾àÀ¸·Î virusÀÇ CAR À¯ÀüÀÚ µµÀÔ ¹× T cell È®´ë ¹è¾ç¿¡ ¸ðµÎ Àû¿ë
: GMP grade (#T202)¸¦ Áö¿øÇϸç, FDA DMF (Drug Master File) µî·Ï ¿Ï·á
¡á ÇÔ²² »ç¿ëÇÒ ¼ö ÀÖ´Â Á¦Ç°