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01 RETÓйØÐźÅͨ·
RET(rearranged during transfection)ÊÇÒ»¸öÔ°©»ùÒò£¬Î»ÓÚ10ºÅȾɫÌ峤±Û£¬±àÂëÒ»ÖÖÊÜÌåÀÒ°±Ëἤø(RTK)¡£Í¨³££¬½ºÖÊϸ°ûÔ´ÐÔÉñ¾ÓªÑøÒò×Ó(Glial cell-line derived neurotrophic factor, GDNF)Ê×ÏÅ×ëGFR¦Á1½áºÏÐγÉGDNF-GFR¦Á1¸´ºÏÎ¸Ã¸´ºÏÎïÔÙÓëRET½áºÏÐγÉÈý¾ÛÌ帴ºÏÎµ¼ÖÂRETµÄ¶þ¾Û»¯£¬½øÒ»²½ÒýÆðÀÒ°±Ëá²Ð»ù×ÔÁ×Ëữ£¬´Ó¶ø¼¤»îÏÂÓÎÐźÅͨ·¡£RETÏÂÓÎÓйØÐźÅͨ·ÖØÒªÔ̺¬RAS-MAPKºÍPI3K¨CAKTµÈ¡£
02 RET°ÐµãÓëÓйذ©Ö¢
RET»ùÒòÒì³£»î»¯ÖØÒªÔ̺¬»ùÒòÈںϡ¢µãÍ»±ä¡¢¹ý±í°×ÈýÖÖ»úÔ죬¿Éµ¼Ö¶àÖÖ°©Ö¢¡£RET»ùÒòµãÍ»±äÔÚ¼××´ÏÙËèÑù°©(MTC)ÖеIJúÉúÂÊԼΪ60%-90%£¬ÆäÖÐ×î³£¼ûµÄÍ»±äλµãÊÇM918T¡£RET»ùÒòÈÚºÏÔÚ¼××´ÏÙÈéÍ·×´°©(PTC)ÖвúÉúÂÊΪ10%-20%;ÔÚ·ÇÓ×ϸ°û·ÎÏÙ°©»¼ÕßÖеIJúÉúÂÊԼΪ1-2%£¬ÆäÖÐÒÔKIF5B-RET×îΪ¶à¼û¡£
03 RET ÒÖÔì¼ÁÑз¢½ü¿ö
Ä¿Ç°¶ÔÓÚRET»ùÒòŤתÀàÖ×ÁöµÄÒ½Öι滮ÖØÒªÊÇʹÓöà°Ðµã¼¤Ã¸ÒÖÔì¼ÁÀàÒ©ÎºÃ±È¿¨²©ÌæÄá¡¢·²µÂËûÄᣬÕâЩҩÎï²»½öÒÖÔìRETµ°°×£¬Í¬Ê±»áÒÖÔìVEGFR¡¢EGFRµÈÆäËûµ°°×¡£2020Äê5ÔÂ8ÈÕ£¬FDA¼Ó¿ìºË×¼ÁËÈ«ÇòÊ׸ö¸ßÑ¡ÔñÐÔRET¼¤Ã¸ÒÖÔì¼ÁLOXO-292 (selpercatinib £¬ÀñÀ´)£¬ºÍÆäËû°ÐÏòÒ©Ò»Ñù£¬LOXO-292Ò²»áÄÍÒ©¡£ÁÙ´²Ç°×êÑÐÏÔʾ£¬RETÈÚºÏNSCLC»¼ÕßʹÓÃLOXO-292Ò½Öκ󣬿ɲúÉúG810R/S/CÈܼÁÇ°ÑØÍ»±ä£¬µ¼ÖÂLOXO-292ÄÍÒ©¡£
ÓÉTurning Point Therapeutics¹«Ë¾¿ª·¢µÄÓ×·Ö×ÓÔì¼ÁTPX-0046µÄÁÙ´²Ç°×êÑÐÁ˾ÖÏÔʾÆä¶ÔRET-G810R/SÍ»±ä½ÏΪÃô¸Ð£¬ÒÑ·¢Õ¹Ò»ÆÚÁÙ´²³¢ÊÔ£¬ÁíÒ»¿î¿ª·¢¿ìÂʽϿìµÄRETÒÖÔì¼ÁBLU-667 (pralsetinib £¬Blueprint¹«Ë¾)ÒÑÏòFDAÌá½»ÁËÉÏÊÐÉêÇë¡£
04 ²¿ÃÅϸ°ûÑéÖ¤Êý¾Ý
1)Ba/F3-KIF5B-RETÑéÖ¤Êý¾Ý
2)Ba/F3-KIF5B-RET-V804MÑéÖ¤Êý¾Ý
3)Ba/F3-KIF5B-RET-V804LÑéÖ¤Êý¾Ý
4)Ba/F3-KIF5B-RET-G810RÑéÖ¤Êý¾Ý
5)Ba/F3-KIF5B-RET-G810SÑéÖ¤Êý¾Ý
6)Ba/F3-KIF5B-RET-G810CÑéÖ¤Êý¾Ý
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¡¾1¡¿Advances in Targeting RET-Dependent Cancers. Cancer Discov. ,2020,10:498¨C505.
¡¾2¡¿RET Solvent Front Mutations Mediate Acquired Resistance to Selective RET Inhibition in RET-Driven Malignancies. J.Thorac. Oncol.;2020, 15:541-549.
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