³ÉÏËάϸ°ûÉú³¤Òò×Ó21¼õÇáСÊó¸ÎÔàȱѪÔÙ¹à×¢ËðÉË
²ÜÊؼͣ¬Àî¹úÇ¿*
¡¾Õª Òª¡¿£ÛÕª Òª£ÝÄ¿µÄ£ºÌ½ÌÖ³ÉÏËάϸ°ûÉú³¤Òò×Ó21£¨fibroblast growth factor 21£¬FGF21£©¶ÔСÊó¸ÎÔàȱѪÔÙ¹à×¢£¨ischemia?reperfu?sion£¬IR£©ËðÉ˵ı£»¤×÷Ó㬲¢½øÒ»²½Ñо¿Æä¿ÉÄÜ»úÖÆ¡£·½·¨£º30Ö»C57BL/6СÊó£¬Ëæ»ú·ÖΪ3×飺¼ÙÊÖÊõ×飨sham×飩СÊó½ö½ÓÊÜ¿ª¸¹¼°¹Ø¸¹²Ù×÷£»¶ÔÕÕ×飨IR+NS×飩СÊóÊõÇ°30 minβ¾²Âö×¢ÉäÉúÀíÑÎË®£¨NS£©2 mL/kgÌåÖØ£¬ÖƳɸÎÔàIRËðÉËÄ£ÐÍ£»ÊµÑé×飨IR+FGF21×飩СÊóÊõÇ°30 minβ¾²Âö×¢ÉäÖØ×éСÊó³ÉÏËάϸ°ûÉú³¤Òò×Ó21£¨rmFGF21£©2 mL/kgÌåÖØ£¬²¢ÖƳɸÎÔàIRËðÉËÄ£ÐÍ¡£ÔÙ¹à×¢ºó12 h´¦ËÀСÊ󣬻ñÈ¡¾²ÂöѪ¼°¸ÎÔà×éÖ¯¡£¼ì²â¸÷×éСÊóѪÇå±û°±Ëáת°±Ã¸£¨ALT£©ºÍÌ춬°±Ëáת°±Ã¸£¨AST£©Ë®Æ½£»ËÕľËØ?ÒÁºì£¨HE£©È¾É«¼°TUNELȾɫ¹Û²ì¸ÎÔà×éÖ¯ËðÉËÇé¿ö£»¼ì²â¸÷×éСÊó¸ÎÔàÄÚ±û¶þÈ©£¨MDA£©¡¢³¬Ñõ»¯ÎïÆ绯ø£¨SOD£©¡¢¹Èë׸ÊëÄ£¨GSH£©¡¢»îÐÔÑõ£¨reactive oxyen species£¬ROS£©º¬Á¿¡£½á¹û£ºÓëIR+NS×éÏà±È½Ï£¬IR+FGF21×é¸Î×éÖ¯²¡ÀíËðÉËÇé¿öÃ÷ÏÔ¸ÄÉÆ£¬ÑªÇåALT¼°ASTÖµ½ÏµÍ£¨P£¼0.01£©£¬¸Î×éÖ¯MDAºÍROSˮƽÃ÷ÏÔϽµ£¨P£¼0.01£©£¬SODºÍGSHº¬Á¿Ã÷ÏÔÉÏÉý£¨P£¼0.01£©¡£½áÂÛ£ºFGF21ÄܼõÇáСÊó¸ÎÔàȱѪÔÙ¹à×¢ËðÉË£¬Æä»úÖÆ¿ÉÄÜÓëÒÖÖƸÎȱѪÔÙ¹à×¢ºóµÄÑõ»¯Ó¦¼¤·´Ó¦Óйء£
¡¾ÆÚ¿¯Ãû³Æ¡¿ÄϾ©Ò½¿Æ´óѧѧ±¨£¨×ÔÈ»¿Æѧ°æ£© ¡¾Äê(¾í),ÆÚ¡¿2018(038)008 ¡¾×ÜÒ³Êý¡¿5
¡¾¹Ø¼ü´Ê¡¿£Û¹Ø¼ü´Ê£Ý³ÉÏËάϸ°ûÉú³¤Òò×Ó21£»¸ÎÔࣻȱѪÔÙ¹à×¢ËðÉË£»Ñõ»¯
Ó¦¼¤
£Û»ù½ðÏîÄ¿£Ý½ËÕÊ¡×ÔÈ»¿Æѧ»ù½ð£¨BK20131445£©£»¹ú¼ÒÎÀ¼ÆίÐÐÒµ»ù½ð£¨2013£©
£ÛActa Univ Med Nanjing£¬2018£¬38£¨08£©£º1049?1053£Ý
ÒÆÖ²ÎïµÄȱѪÔÙ¹à×¢£¨ischemia?reperfusion£¬IR£© ËðÉËÊǸÎÒÆÖ²ÁìÓòµÄÖØÒªÎÊÌ⣬IRËðÉËÄܹ»´Ù½øÔçÆÚ¼°ÍíÆÚÒÆÖ²Î﹦ÄÜɥʧ£Û1-2£Ý¡£Ñõ»¯Ó¦¼¤ÊÇIRËðÉ˵ÄÖØÒª»úÖÆÖ®Ò»£¬Òò´ËÌá¸ßϸ°ûµÄ¿¹Ñõ»¯ÄÜÁ¦¡¢¼õÉÙϸ°ûÄڵĻîÐÔÑõ´Ø£¨reactive oxyen species£¬ROS£©Äܹ»ÓÐЧ¼õÇáIRËðÉË£Û3£Ý¡£³ÉÏËάϸ°ûÉú³¤Òò×Ó21£¨fibro?blast growth factor 21£¬FGF21£©ÊÇÒ»ÖÖÖ÷ÒªÓɸÎϸ°û·ÖÃڵĴúл¼¤ËØ£¬Äܹ»µ÷½Ú»úÌå´úл£¬¶ÔÌÇ֬ƽºâÓжàÖÖ×÷ÓãÛ4£Ý¡£Ñо¿±íÃ÷£¬FGF21Äܹ»Í¨¹ýÉϵ÷Ïà¹Ø»ùÒòµÄ±í´ïÌá¸ßСÊó¸ÎÔàϸ°ûµÄ¿¹Ñõ»¯ÄÜÁ¦£¬¼õÇáÓÉÑõ»¯Ó¦¼¤µ¼ÖµĸÎËðÉË£Û5-6£Ý¡£±¾ÎÄÄâÑо¿FGF21¶ÔСÊóIRËðÉ˵ı£»¤×÷Óü°Æä»úÖÆ¡£
1 ²ÄÁϺͷ½·¨
1.1 ²ÄÁÏ
½¡¿µÐÛÐÔC57BL/6СÊó30Ö»£¬6¡«8ÖÜÁ䣬ÌåÖØ15¡«20 g£¨ÄϾ©ÇàÁúɽ¶¯Îï·¿£©£¬ÎÞÌØÊⲡÔÌ壨SPF£©»·¾³ÏÂËÇÑø£¬×ÔÓɽøʳ¡¢ÒûË®¡£ËùÓж¯ÎïʵÑ鶼°´ÕÕNIHʵÑ鶯ÎﻤÀíºÍʹÓÃÖ¸ÄÏʵʩ¡£ 1.2 ·½·¨
1.2.1 СÊó¸ÎÔàIRËðÉËÄ£Ð͵Ľ¨Á¢
²ÎÕÕ AsakawaµÈ£Û7£ÝµÄ·½·¨½øÐС£ÊõÇ° 12 h ½ûʳ¡¢²»½ûÒû¡£5%Ë®ºÏÂÈÈ©0.08 mL/10 gÌåÖØÂé×íСÊóºó£¬È¡ÖÐÏß¿ª¸¹£¬ÎÞËðÉËѪ¹Ü¼Ð¼Ð±ÕͨÍù¸Î×óÒ¶¼°
¸ÎÖÐÒ¶£¨Ô¼Õ¼Õû¸ö¸ÎÔàÖÊÁ¿µÄ70%£©µÄ¸ÎµÙ¡£°üÀ¨Ãž²Âö¡¢¸Î¶¯ÂöºÍµ¨µÀ£¨´Ëʱ¿É¼û¸Î×óÒ¶¼°¸ÎÖÐÒ¶ÑÕÉ«±äΪ°µ»ÒÉ«£©¡£È±Ñª60 minºó£¬³·ÀëÎÞËðÉËѪ¹Ü¼Ð»Ö¸´ÑªÁ÷£¨¿É¼ûȱѪ¸ÎÒ¶ÑÕÉ«ÓÉ°µ»ÒÉ«±äΪ°µºìÉ«£©£¬¿ªÊ¼ÔÙ¹à×¢£¬Öð²ã¹Ø¸¹¡£ÔÙ¹à×¢ºó12 h£¬ÔÙ´ÎÂé×íСÊ󣬻ñÈ¡ÏÂÇ»¾²ÂöѪ¼°¸ÎÔà×óÒ¶¡¢ÖÐÒ¶Ñù±¾¡£ÑªÒºÑù±¾ÓÚ37¡æºãÎÂÏäÖо²ÖÃ1 h£¬ÓÚ4¡æ±ùÏä¹ýÒ¹ºóÒÔ2 000 gÀëÐÄ10 min£¬·ÖÀë²¢ÊÕ¼¯ÑªÇ壬ÖÃÓÚ-80¡æ±ùÏäÖб£´æ£¬ÓÃÓÚºóÐø¼ì²â¡£È¡²¿·Ö¸ÎÔà×éÖ¯£¬ÓÃÌå»ý·ÖÊý10%¸£¶ûÂíÁÖÈÜÒº¹Ì¶¨ºóÖƱ¸Ê¯À¯ÇÐƬ£»ÁíÈ¡²¿·Ö¸Î×é֯ѸËÙÖÃÈëÒºµªÖУ¬ÖÃÓÚ-80¡æ±ùÏäÖб£´æ£¬ÓÃÓÚºóÐø¼ì²â¡£ 1.2.2 ¶¯Îï·Ö×é
ÓÃËæ»úÊý×Ö±í·¨½«ÊµÑéСÊó·ÖΪ3×飬ÿ×é10Ö»¡£¼ÙÊÖÊõ×飨sham×飩СÊó½ö½ÓÊÜ¿ª¸¹¼°¹Ø¸¹²Ù×÷£»¶ÔÕÕ×飨IR+NS×飩СÊóÊõÇ°30 minβ¾²Âö×¢ÉäÉúÀíÑÎË®2 mg/kgÌåÖØ£¬°´ÉÏÊö·½·¨ÖƳɸÎÔàIRËðÉËÄ£ÐÍ£»ÊµÑé×飨IR+FGF21×飩СÊóÊõÇ°30 minβ¾²Âö×¢ÉäÖØ×éСÊó³ÉÏËάϸ°ûÉú³¤Òò×Ó£¨rmFGF21£©2 mg/kgÌåÖØ£¬²¢ÖƳɸÎÔàIRËðÉËÄ£ÐÍ¡£ 1.2.3 ¼ì²âÏîÄ¿
¸ÎÔ๦Äܵļì²â£º²ÉÓýËÕÊ¡ÈËÃñÒ½ÔºµÄ×Ô¶¯»¯·ÖÎöÒǼì²âѪÇå±û°±Ëáת°±Ã¸£¨ALT£©ºÍÌ춬°±Ëáת°±Ã¸£¨AST£©º¬Á¿¡£
¸Î×éÖ¯²¡Àíѧ¼ì²â£ºÈ¡²¿·Ö¸Î×éÖ¯£¬ÓÃ10%µÄ¸£¶ûÂíÁÖÈÜÒº¹Ì¶¨£¬³£¹æÇÐƬ£¬HEȾɫ£¬¹â¾µÏ¹۲ì¸ÎСҶ½á¹¹±ä»¯¡¢¸Îϸ°û»µËÀ¼°Ë®Ö×µÄÇé¿ö¡£ÐÐTUNELȾɫ¼ì²âϸ°ûµòÍöÇé¿ö¡£TUNELȾɫʹÓùºÓÚÎ人Èüά¶ûÉúÎï¿Æ¼¼ÓÐÏÞ¹«Ë¾µÄTUNELȾɫÊÔ¼ÁºÐ°´ËµÃ÷½øÐС£²Ù×÷²½ÖèΪ£º¢ÙÓÃÃâÒßȾɫ¹Ì¶¨Òº4%¶à¾Û¼×È©¹Ì¶¨Ï¸°û30¡«60 min£»¢ÚPBSÏ´µÓ2´Î£¬Ã¿´Î10 min£»¢Û¼ÓÈëÃâÒßȾɫǿ