»ùÓڸ÷þÎñ£¬mg±ùÇòÍ»ÆƹÙÍøÍøÕ¾½«ÖúÁ¦Ìá¸ß¹«ÖÚ¶ÔADÕ¹Íû²½·¥µÄÊìϤ£¬²¢Í¨¹ýÔö½ø¼ÓÈëADÆÀ¹À²âÊÔÏîÄ¿£¬ÔöÇ¿¹«ÖÚ¶ÔÔçÆÚΣº¦¼ì²âºÍÕï¶Ï¼ÛÖµµÄÊìϤ¡£
Ëæ×ÅÈ«ÇòÀÏÁ仯µÄ¼ÓËÙ£¬¹«¹²¶ÔAD¼ì²âµÄÐèÇóÒ²ÔÚÒ»Ö±ÉÏÉý¡£Æ¾Ö¤¡¶2023ÄêÖйúAD£ºÊÂʵÓëÊý×Ö£¨2023 China Alzheimer¡¯s disease: facts and figures£©¡·£¬ÎÒ¹úÒѳÉΪȫÇòAD»¼²¡ÈËÊý×î¶àµÄ¹ú¼Ò£¬»¼ÕßÈËÊý½ü1000ÍòÈË¡£¾ÝÕ¹Íû£¬µ½2050ÄêAD»¼ÕßÈËÊý½«ÔÚ2765Íò~9194ÍòÖ®¼ä[1]¡£
ÔÚADÕï¶ÏÁìÓò£¬ÏÖÔڵĹŰå¼ì²âÒªÁ죬Èçµí·ÛÑùÕýµç×Ó·¢Éä¶Ï²ãɨÃ裨PET£©ºÍÄÔ¼¹Òº²âÊÔ£¬±£´æÖØ´ó¡¢ÌÚ¹ó¡¢ÇÖÈëÐÔÇ¿µÈÎÊÌâ¡£Òò´Ë£¬Í¨¹ýѪҺ¼ì²âÒªÁìÀ´Õ¹ÍûADµÄΣº¦£¬ÓÐ×ÅÁÉÀ«µÄÊг¡Ô¶¾°¡£
mg±ùÇòÍ»ÆƹÙÍøÍøÕ¾½«Òý½øÒ»ÖÖ»ùÓÚIP-LC-MS/MSÊÖÒÕµÄQuest AD-Detect?¦Â-µí·ÛÑùÂÑ°×42/40ѪҺ¼ì²âÒªÁì¡£´ËÄ¥Á·ÒªÁì¾Ì«¹ýÎöÑéÖ¤£¬ÓÐÖúÓÚÆÀ¹ÀADΣº¦[2]¡£ÏêϸÌåÏÖÔÚ£¬ÄÜ×ÊÖúÒ½ÉúÆÀ¹ÀѪ½¬ÖÐÁ½ÖÖµí·ÛÑùÂÑ°×amyloid betaµÄ±ÈÖµ£¬¼´A¦Â42/A¦Â40£¬Í¨¹ýÒ»¹ÜѪҺÑù±¾¼à²âA¦ÂËæʱ¼äת±äµÄÇ÷ÊÆ£¬½ø¶øÆÀ¹ÀADÏ£ÍûµÄΣº¦ÐÔ¡£³ýÁËÌṩÓйØADΣº¦µÄÔ¤¹À£¬¸Ã¼ì²âÉÐÓÐÖúÓÚʶ±ð¿ÉÄÜ´Ó½øÒ»²½µÄ¸ÉÔ¤²½·¥ÖÐÊÜÒæµÄ»¼Õß[4] ¡£
IP-LC-MS/MSÊÖÒÕʹÓÃÌØÒìÐÔ¿¹Ì壬ͨ¹ýÂÑ°×ÃâÒß³Áµí´ÓѪ½¬ÖÐÊèÉ¢ºÍ¸»¼¯A¦ÂëĶΣ¬Ê¹ÓøßѸËÙ¶ÈÒºÏàÖÊÆ×ÅжϺͶ¨Á¿µ¥¸öA¦ÂÑÇÐÍ£¬°üÀ¨A¦Â42ºÍA¦Â40£¬¾ßÓиßѸËٶȺÍ׼ȷ¶¨Á¿ÆÊÎöµÈÓÅÊÆ¡£
ͨ¹ýIP-LC-MS/MS¼ì²â£¬¿ÉÒÔ׼ȷµØ²â¶¨A¦Â42ÓëA¦Â40µÄ±ÈÖµ£¬¶ÔÆÀ¹ÀADµÄÏ£ÍûºÍÕï¶Ï¾ßÓÐÖ÷ÒªÒâÒ壬Óë¹Å°åÄÔ¼¹Òº¼ì²âºÍPET³ÉÏñÒ»ÑùÓÐÓÃ[3]¡£
Quest Diagnostics¹«Ë¾»ùÓÚ¸»ºñµÄÁÙ´²¡¢¿ÆÑкÍרҵµÄҽѧ֪ʶ£¬ÎªÈ«Çò¿Í»§Ìṩ¸ßÆ·ÖʵÄÒ½ÁƼì²â·þÎñ¡£×÷Ϊº£ÄÚµÚÈý·½Ò½Ñ§Õï¶ÏÁì¾üÆóÒµ£¬mg±ùÇòÍ»ÆƹÙÍøÍøÕ¾¼°Æä×Ó¹«Ë¾¿À³Æ׶àÄêÀ´ÉîÈë½á¹¹ÁÙ´²ÖÊÆ×ÁìÓò¡£ÆìÏÂÖÊÆ×ʵÑéÊÒÒÑͨ¹ýISO 15189ÈϿɺÍCAPÈÏÖ¤¡£
mg±ùÇòÍ»ÆƹÙÍøÍøÕ¾ÖÂÁ¦ÓÚ´òÔìÍêÕûµÄAD¼ì²â·þÎñ£¬´ÓÉçÇøɸ²éÕâÒ»»·½ÚÆðʼ£¬¼°Ô粶»ñADµÄϸ΢¼£Ïó£¬ËæºóÑؼ²²¡Ï£Íû¹ì¼££¬Öð²½ÉîÈëÖÁADµÄ¸÷¸ö½×¶Î£¬È«ÐĹ¹½¨Ò»¸öº¸ÇADÈ«²¡³ÌµÄ×ۺϼì²âϵͳ¡£Í¨¹ý¿ÆѧµÄ¼ì²âÊÖ¶ÎÓëºã¾Ã¹ÜÀíÍýÏ룬ΪÌáÉýÍíÄêÈË¿µ½¡ÉúÑÄÖÊÁ¿ÌṩÓÐÁ¦Ö§³Ö£¬¼ÓËÙʵÏÖ¾«×¼Ô¤·ÀÓë¸ÉÔ¤µÄ¡°Öйú¼Æ»®¡±¡£
³Ð¼Ì¡°ÈùúÈËÒ»ÂɵطÖÏí¿µ½¡¡±µÄʹÃü£¬mg±ùÇòÍ»ÆƹÙÍøÍøÕ¾½«Ò»Ö±ÌáÉýÊÖÒÕ¼°·þÎñˮƽ£¬ÎªÁÙ´²Ò½ÉúºÍ»¼ÕßÌṩ¸ü׼ȷ¡¢¸ü¸ßЧµÄÕï¶ÏÒªÁ죬Èøü¶à»¼ÕßÊÜÒæÓÚ¾«×¼Ò½ÁÆ¡£
²Î¿¼ÎÄÏ×
[1] Xiao, J. Li, J. Wang, J. et al. 2023 China Alzheimer¡¯s disease: facts and figures. Human Brain(2023),2(3). https://doi.org/10.37819/hb.3.1771.
[2] Burnham SC, Fandos N, Fowler C, et al. Longitudinal evaluation of the natural history of amyloid-¦Â in plasma and brain. Brain Commun. 2020;2(1)fcaa041. doi:10.1093/braincomms/fcaa041
[3] Li Y, Schindler SE, Bollinger, J, et al. Validation of plasma amyloid-¦Â 42/40 for detecting alzheimer disease amyloid plaques. Neurology. Online ahead of print, December 14, 2021. doi:10.1212/WNL.0000000000013211
[4] Cummings J, Lee G, Zhong K, et al. Alzheimer¡¯s disease drug development pipeline: 2021. Alzheimers Dement (N Y). 2021;7(1):e12179. doi:10.1002/trc2.12179