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1. C1-mRNAÒßÃçÓëSTING¼¤¶¯¼Á×ô¼ÁÁªÓã¬ÈÃÒßÃç¡°»ðÁ¦È«¿ª¡±
Ñо¿ÍŶÓÔÚÌåÍâÑéÖ¤C1-mRNA(C1×÷ΪTLR4¼¤¶¯¼Á)ÓëSTING¼¤¶¯¼Á c-di-AMPÁªÓöÔBMDCsÓëTϸ°û»î»¯µÄÓ°Ïì¡£½á¹ûÏÔʾ£¬C1-mRNA+c-di-AMP¿ÉÏÔÖøÓÕµ¼IFN-¦Á1/¦Â1¡¢IL-12a ±í´ï£¨Í¼2A£©£¬Ï¸°ûÉÏÇåIL-12p70¡¢IFN-¦Áµ°°×ˮƽÉý¸ß£¨Í¼2B£©¡£
ΪȷÈÏIFN-1ÃâÒß¼¤»îЧӦÊÇ·ñÒÀÀµ STING£¬Ñо¿ÍŶÓÔÚÒ°ÉúÐÍÓëÊ÷ͻ״ϸ°ûÌØÒìÐÔSTINGÌõ¼þÇóýСÊóÀ´Ô´µÄÊ÷ͻ״ϸ°ûÖнøÐÐÑéÖ¤¡£½á¹ûÏÔʾ£¬STINGȱÏÝϸ°ûÖÐC1-mRNA+c-di-AMPÓÕµ¼µÄIFN-¦Á¡¢IFN-¦Â·ÖÃÚÏÔÖøµÍÓÚÒ°ÉúÐÍϸ°û£¨Í¼2C£©¡£
Á÷ʽ½á¹ûÏÔʾ£¬C1-mRNA+c-di-AMP¿ÉÏÔÖøÉϵ÷Ê÷ͻ״ϸ°û±íÃæCD40¡¢CD83¡¢CD86µÈ¹²´Ì¼¤·Ö×Ó±í´ï(ͼ2D£©£¬´Ù½øÊ÷ͻ״ϸ°û³ÉÊìÓë»î»¯£»Óú¬OVA257-264±íλµÄC1-mRNA+c-di-AMP´¦ÀíµÄÊ÷ͻ״ϸ°ûÓëOT-I Tϸ°û¹²ÅàÑøºó£¬Tϸ°û·ÖÃÚIFN-¦ÃˮƽÏÔÖø¸ßÓÚC1mRNA×é(ͼ2E£©¡£Í¬Ê±£¬C1-OVA mRNA+c-di-AMP¿ÉÏÔÖøÉϵ÷ MHCI Óë MHCI SIINFEKL ±í´ï£¨Í¼2F£©¡£

2. ADUS100 ÔÚÌåÄÚÔöÇ¿ C1mRNA ÒßÃ翹Ö×Áö»îÐÔ
ADU-S100ÊǺϳÉÐÍ»·¶þºËÜÕËáSTING¼¤¶¯¼Á£¬ÌåÄÚÎȶ¨ÐÔ¸üÓÅ£¬¿ÉÓÕµ¼¸ü¸ßˮƽIFNÓëTNF-¦Á¡¢IL-6µÈ´ÙÑ×ϸ°ûÒò×Ó£¬ÌåÄÚ¿¹Ö×ÁöЧ¹û¸ü¼Ñ¡£Ñо¿·¢ÏÖC1mRNA+ADUS100 (nano)¾¡¹ÜδÔÚÌåÍâδÓÕµ¼¸ü¸ßˮƽÊ÷ͻ״ϸ°ûIFN-¦Â£¬µ«ÌåÄÚÃâÒߺóСÊóѪÇåIFN-¦ÂÏÔÖøÉϵ÷£¨Í¼3A¡¢B£©£»ÓÃЯ´øOVAµÄmRNAÃâÒßB16-OVAºÉÁöСÊ󣬽á¹ûÏÔʾC1-OVA mRNA+ADU-S100 (nano)ÔÚB16-OVAÖ×ÁöÄ£ÐÍÖÐÕ¹ÏÖÇ¿¿¹Ö×ÁöЧ¹û£¬ÏÔÖøÑÓ³¤ºÉÁöСÊóÉú´æÆÚ£¨Í¼CºÍD£©£»ÓÃÁ÷ʽϸ°ûÊõ·ÖÎöÒýÁ÷ÁܰͽáÓëÆ¢ÔàTϸ°û»î»¯£¬½á¹ûÏÔʾC1-mRNA+ADU-S100(nano)ÃâÒßСÊóµÄTϸ°û»î»¯±êÖ¾CD69ˮƽ×î¸ß£¨Í¼E¡¢F£©£»ÓÃH2K(b)-SIINFEKLËľÛÌ壨¹º×ÔBetterGen£©¼ì²â·¢ÏÖÓÕµ¼µÄOVAËľÛÌåÌØÒìÐÔCD8+Tϸ°û±ÈÀýÏÔÖø¸ßÓÚC1-mRNA×飨ͼG£©£»Ê¹ÓÃCD8Çå³ý¿¹ÌåÔ¤´¦Àíºó£¬ÒßÃçµÄÖ×ÁöÒÖÖÆÐ§¹ûÍêÈ«Ïûʧ£¬Ö¤ÊµCD8+Tϸ°ûÊǸÃÒßÃçÌåÄÚÒÖÁöµÄ¹Ø¼ü½éµ¼Õߣ¨Í¼H£©¡£

Figure 3. Antitumor effect of combining C1-mRNA with STING agonist ADU-S100 in nanoparticles in vivo
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