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Overview of the natural function of antibodies[1]
01 ¿¹ÌåÒ©Î↑·¢
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×ðÁú¿Ê±°¸ÀýNectin-4 Mouse Serum Titer
Nectin-4 (4-1) Sorting Single B Cell
Nectin-4 (4-6) Sorting Single B Cell
- 3 ¿¹Ò©ÎÌåÖÆ±¸¸ßѸËٶȼ°¶àÑùÐԵĶà¿Ë¡¿¹Ò©ÎÌå¿É×÷ΪÃâÒßÔÐÔÑо¿ÖеÄÑôÐÔ²ÎÕÕÎģÄâADAÔÚÈËÌåÖб¬·¢µÄÇéÐΣ¬Í¬Ê±Ò²¿ÉÒÔÌØÒìÐÔ¼ì²âÌåÄÚ¿¹Ìåҩˮƽ£¬ÊÇÒ©´ú¶¯Á¦Ñ§Ñо¿µÄÖ÷ÒªÊÔ¼Á¡£Òò´Ë£¬¿¹Ò©ÎÌå×÷Ϊ¿¹ÌåÒ©ÎïÑз¢±Ø±¸¹¤¾ßÊÔ¼Á£¬Æä²»µ«ÊÇÁÙ´²É걨±Ø²»¿ÉÉÙµÄÊÔ¼ÁÖ®Ò»£¬ÔÚÁÙ´²½×¶ÎÒ²ÓÐÊ®·ÖÆÕ±éµÄÓ¦Óá£×ðÁú¿Ê±ÔÚADA¿ª·¢·½Ãæ¾ßÓи»ºñµÄÂÄÀú£¬ÒÑÀֳɽ»¸¶ÁË100¶à·Ý¶©µ¥£¬¿ÉÌṩ¸ßÇ׺ÍÁ¦ºÍÌØÒìÐԵĶà¿Ë¡¿¹Ò©ÎÌ忪·¢Ð§ÀÍ£¬Ð§ÀÍÖÜÆÚ¶Ì£¬¿ª·¢±¾Ç®µÍ¡£×ðÁú¿Ê±°¸ÀýÒ»
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Nanobody production scheme using a phage display library[3]
02 ¿¹ÌåÒ©ÎïÌåÍâÑо¿
- ¿¹ÌåÀàÒ©ÎïµÄ»îÐԲⶨÊÇÖ¸¶ÔÒ©ÎïµÄÓÐÓÃÒòËØ¡¢º¬Á¿¼°Ò©ÎïЧ¼Û¾ÙÐвⶨ£¬ÔÚÒ©ÎïÑз¢¼°ÖÊÁ¿¿ØÖÆÖÐÖÁ¹ØÖ÷Òª£¬ÊÇ̽Ë÷Ò©Îï×÷ÓûúÖÆ£¨MOA£©£¬ÌṩҩÎïINDÉ걨ÒÀ¾ÝµÄÖ÷ÒªÊֶΡ£¿¹ÌåÒ©ÎïÔÚÓëÆäÌØ¶¨°ÐµãÁ¬Ïµºó£¬Í¨¹ý¼¤»î»ò×è¶Ïϸ°ûÒò×ÓµÈÐźŴ«µ¼¡¢²¹ÏµÒ»Çл¼°Ï¸°ûɱÉ˵ÈÉúÎïѧ×÷ÓÃʩչÖÎÁÆÐ§¹û¡£Ëæ×ÅÒ©Îï¸ßͨÁ¿É¸Ñ¡Æ½Ì¨µÄÒ»Ö±½¨ÉèÓëÉú²ú¹æÄ£µÄÒ»Ö±·Å´ó£¬»ùÓÚϸ°ûϵµÄÌåÍâÆÊÎöÒªÁ죬ÀýÈçÒÀ¾ÝÒ©Îï×÷ÓûúÖÆ¹¹½¨µÄ±¨¸æ»ùÒòϸ°ûÖê¸üÊÇÒòѸËٶȸߣ¬¼ì²âÖÜÆÚ¶Ì£¬Öظ´ÐÔºÃÇÒ²Ù×÷¼òÆÓ¶ø±»ÆÕ±éÓ¦ÓÃÓÚÐÂÒ©¿ª·¢µÄÀú³ÌÖС£ÌåÍâÒ©ÀíҩЧÆÊÎöÐèҪƾ֤¿¹ÌåÌØµã£¬°ÐµãÌØÕ÷À´Éè¼ÆÏìӦʵÑ飬ÆÊÎöÒªÁìÖ÷Òª°üÀ¨»ùÓÚÁ÷ʽ¡¢Ï¸°û³ÉÏñµÄϸ°ûÆÊÎö£»»ùÓÚELISA£¬LuminexµÈ¿ÉÈÜÐÔÂÑ°×µÄÆÊÎö¡£
- 1 Á¬ÏµÊµÑé Binding assay (FACS, ELISA, SPR)Dose-dependent binding of Inetetamab (anti-HER2) with HCC1954 cells were tested through FACS, the data showed that Inetetamab binds with HCC1954 cells with EC50 of 6.4 nM.Dose-dependent binding of Inetetamab (anti-HER2) with human HER2 protein were tested through ELISA, the data showed that Inetetamab binds with HER2 protein with EC50 of 97 nM.ÒÑÑéÖ¤µÄ°Ðµã£ºPD-1, PD-L1, VEGF, Nectin1, Nectin2, Nectin3, Nectin4, NECL1, NECL2, NECL3, NECL4, NECL5, EPHA1, EPHA2,EPHA3, EPHA4, EPHA5, INSR, IGF-1R, HSA, FcRN, FcRI, FcRII, FcRIII, C1q, Factor B, HER2, Transferrin, EPCR, STAT3, STAT5,STAT1, 4-1BB, SHP2, ATIII, EGFR, gp1µÈ¡£Eylea binding with hVEGFBEOVU binding with hVEGFBB-1701 binding with hHER2DS8201 binding with hHER2
- 2 ¿¹ÌåµÄ¹¦Ð§ÐÔʵÑéRaji cells were mixed with human PBMCs, and different doses of Rituximab was added to induce ADCC, the killing of raji cells were detected through FACS(CFSE labeling of raji).Raji cells were mixed with human AB serum, and different doses of Rituximab was added to induce CDC, the killing of raji cells were detected through FACS(PI staining of raji).B cells were treated with Teliacicept and induced with Baff for 72 hours, H3-thymidine incorporation were analyzed through scintillation counting.T cells were treated with compound A and induced with ICOSL for 72 hours, H3-thymidine incorporation were analyzed through scintillation counting.
- 3 ϸ°ûÒò×ÓÊÍ·ÅʵÑéʹÓÿ¹ÌåA/IgG1ºÍ¿¹CD3/LPS´¦Öóͷ£ÈËPBMCϸ°û25Сʱ£¨ÒºÏà»ò¹ÌÏࣩ£¬Í¨¹ýLuminexÊÔ¼ÁºÐÆÊÎöTNF¦Áˮƽ. ƾ֤ICHÖ¸µ¼ÔÔò²â¶¨Ï¸°ûÒò×ÓÊÍ·Å£¬ÆäÖбØÐè²âÊÔµÄÒò×ÓÓÐIL-2¡¢IL-6¡¢IL-10¡¢IFN-¦ÃºÍTNF-¦Á¡£Ê¹ÓÃÊÜÊÔ¿¹Ìå´¦Öóͷ£PBMCϸ°û£¬ÖÁÉÙ²âÊÔ3ÖÖ¡£ÊÜÊÔ¿¹ÌåµÄ·ºÆðÐÎʽ°üÀ¨¹ÌÏàºÍÒºÏà¡£ELISA¡¢Luminex¡¢CBA ºÍ MSD ÒªÁì¿ÉÓÃÓÚ¼ì²âϸ°ûÒò×Ó¡£ OKT3ÓÃ×÷ÑôÐÔ±ÈÕÕ¡£¸Ã²â¶¨µÄÄ¿µÄÊÇÆÀ¹ÀDZÔڵĿ¹ÌåÓÕµ¼Ï¸°ûÒò×ÓÊÍ·ÅЧӦ£¬ÒÔ±ÜÃâÁÙ´²ÊÔÑéÖб¬·¢Ç¿Ï¸°ûÒò×ÓÊͷŷ籩¡£
03 ¿¹ÌåÒ©ÎïµÄCMCÑо¿
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- ¿¹ÌåµÄ¶¯ÎïÌåÄÚҩЧÊÔÑéÊÇ¿¹ÌåÒ©ÎïÑо¿ÖÐÒ»ÏîÖ÷ÒªµÄÒ©Àí²ÎÊý£¬Ö±½Ó·´Ó¦ÁË¿¹ÌåµÄ¹¦Ð§²¢Ó°ÏìÁÙ´²ÊÔÑéÉè¼Æ¡£×ðÁú¿Ê±ÖÂÁ¦ÓÚΪ¿Í»§Ìṩ³ÉÊìµÄÆÀ¹À¿¹ÌåÌåÄÚҩЧµÄÖ×ÁöÄ£×Ó£¬ÔÚAAALACÈÏÖ¤µÄÇéÐÎÏÂÍê³ÉÄ£×Ó¶¯ÎïµÄ½¨Ä£ºÍËÇÑø£¬²¢ÒÔGLP-likeµÄ¸ß±ê×¼Íê³ÉÏà¹ØÒ©Ð§Ñ§ÆÀ¼ÛÊÔÑé¡£×ðÁú¿Ê±¶àÄêÀ´Éî¸û¶¯ÎïÁìÓò£¬ÎªÒ©ÎïÑз¢ÌṩºÏÊʵ͝ÎïÄ£×Ó£¬¿ÉÌṩ¶àÖÖÓÃÓÚÆÀ¹À¿¹ÌåÒ©ÎïµÄÖ×ÁöÄ£×Ó£¨°üÀ¨PDXOÄ£×Ó£©¼°·ÇÖ×ÁöÄ£×Ó£¬ÔÚAAALACÈÏÖ¤µÄÇéÐÎÏÂÍê³ÉÄ£×Ó¶¯ÎïµÄ½¨Ä£ºÍËÇÑø£¬²¢ÒÔGLP-likeµÄ¸ß±ê×¼Íê³ÉÏà¹ØÒ©Ð§Ñ§ÆÀ¼ÛÊÔÑé¡£¶àÖÖʵÑ鶯ÎÄö³ÝÀࣺСÊó/´óÊó¡¢ÍÃ×Ó·ÇÄö³ÝÀࣺ±È¸ñÈ®¡¢Ð¡ÐÍÖí¡¢·ÇÈËÁ鳤ÀදÎï×ðÁú¿Ê±°¸Àý: CD3+ Bispecific Antibody×ðÁú¿Ê±°¸Àý: CD3+ Bispecific Antibody
05 ¿¹ÌåÒ©ÎïÒ©´ú¶¯Á¦Ñ§ÆÀ¼Û
- ×ðÁú¿Ê±ÔÚ¿¹ÌåÒ©ÎïÌåÄÚÆÊÎöÖпÉÌṩ¶àÖÖ²â¼ì²âÒªÁ죬̫ͨ¹ýÎö¶¯ÎïÌåÄÚÊÕÂÞµÄѪ½¬/ѪÇåÑù±¾£¬Îª¿Í»§Ìṩ¿É¿¿ÓÅÖʵÄPKÊý¾Ý¡£×ðÁú¿Ê±°¸Àý: Pharmacokinetics of YYB-101 in cynomolgus monkeysÔÚËÄÖ»ÐÛÐÔʳзºïÖе¥´Î¾²Âö×¢Éä YYB-101£¨¼ÁÁ¿Îª10 mg/kg£©ºó£¬Ñо¿ÆäÒ©´ú¶¯Á¦Ñ§ÌØÕ÷¡£ÑªÇåTmaxΪ2 h£¬CmaxΪ221.57 ¦Ìg/mL£¬AUC(0¨C¡Þ)Ϊ94 802.96 ¦Ìg/mL*h¡£ t1/2Z ԼΪ 21.7 Ì죬ɨ³ýÂÊΪ 0.11 mL/kg/h¡£ÕâÏîʵÑéÊÇͨ¹ý×ðÁú¿Ê±¾ÙÐеġ£
Pharmacokinetic profile of YYB-101 in cynomolgus monkeys[4]
×ðÁú¿Ê±°¸Àý£ºAnti-drug antibodies of YYB-101 in cynomolgus monkeysÔÚÌìÌì·þÓÃYYB-101£¨¼ÁÁ¿Îª 50mg/kg £©µÄµÚÒ»Ì죬ÔÚÒ»Ö»´ÆÐÔºï×ÓÖмì²âµ½¿¹Ò©ÎÌ壬µ«ÔÚµÚ 29 »ò 85 Ìì´Ó¸Ã¶¯ÎïÍøÂçµÄÑù±¾ÖÐδ¼ì²âµ½¿¹Ò©ÎÌå¡£½öÔÚ 1 Ö»¶¯ÎïÖмì²âµ½¿¹Ò©ÎÌå¡£¼òµ¥Ê±¼äµã£¬ÏÕЩûÓÐÊӲ쵽ÓëÕý³£×éÖ¯µÄ½»Ö¯·´Ó¦¡£ ÕâÏîÑо¿Í¨¹ý×ðÁú¿Ê±¾ÙÐС£»ùÓÚÕâЩЧ¹û£¬Ò»ÏîÕë¶ÔÍíÆÚʵÌåÁö»¼ÕßµÄ I ÆÚÁÙ´²Ñо¿ÕýÔÚ¾ÙÐÐÖÐ (NCT02499224)¡£
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- ×ðÁú¿Ê±°¸Àý1: Toxicokinetics of YYB-101 in cynomolgus monkeys¾²Âö×¢ÉäYYB-101ºó£¬YYB-101µÄƽ¾ùÈ«Éí̻¶Á¿£¨AUC0-168h£©ºÍCmaxÖµËæ¼ÁÁ¿³É±ÈÀýÔöÌí¡£ÔÚÿÖÜÊä×¢ YYB-101 ËĴκó£¬YYB-101 µÄƽ¾ùѪÇå·åŨ¶ÈºÍ¹ÈŨ¶ÈÇ÷ÓÚÎÈ̬¡£×îºóÒ»´Î¸øÒ©ºó 63 Ì죬¿µ¸´¶¯ÎïµÄѪÇåŨ¶È¿ÉÁ¿»¯£¨µÚ 22 ÌìÆðԼΪ Cmax µÄ 2.8%£©¡£Öظ´¾²Âö×¢ÉäYYB-101ºó£¬È«Éí̻¶Á¿£¨AUC0-168h£©ÔöÌí£¬ÀÛ»ýÂÊΪ2.38ÖÁ2.95¡£ÕâÏîÑо¿Í¨¹ý×ðÁú¿Ê±¾ÙÐеġ£
Toxicokinetic parameters on days 1 and 22 following intravenous infusion of YYB-101 at 10, 50, or 200 mg/kg perday in cynomolgus monkeys[4]
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