[{"data":1,"prerenderedAt":125},["ShallowReactive",2],{"story-5359-tw":3},{"id":4,"slug":5,"slugs":5,"currentSlug":5,"title":6,"subtitle":7,"coverImagesSmall":8,"coverImages":9,"content":26,"questions":27,"relatedArticles":40,"body_color":123,"card_color":124},"5359",null,"免疫系統回春現突破：肝臟成新胸腺","麻省理工學院革命性的 mRNA 方法有望逆轉與年齡相關的免疫力下降",[],[10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,23],"https://scitechdaily.com/images/Turqoise-Stem-Cells.jpg","https://images.labroots.com/content_article_profile_image_bac13861830a231513ecac59a6785ac4c765adda_9495.jpg","https://biz.chosun.com/resizer/v2/C3W4HC7BEZGLRJVO5YYHRHG57Q.jpg?auth=2f882ea9e120bd717694125ac6ef91a278afb2756ddbe37263968bd97f264c34&width=1200&height=630&smart=true","https://bioengineer.org/wp-content/uploads/2025/12/Boosting-Aged-Immunity-via-Liver-Factor-Rebirth.jpg","https://oncodaily.com/pub/uploads/2025/12/Image-28.webp","https://scitechdaily.com/images/Lymphocytes-Immune-Cells.jpg","https://www.labmate-online.com/assets/file_store/pr_files/66390/thumbnails/images/391w_mrna-therapy-immune-rejuvenation-ageing-liver-mouse-study.jpg","https://www.genengnews.com/wp-content/uploads/2025/01/GettyImages2-2185724730.jpg","https://media.springernature.com/m685/springer-static/image/art%3A10.1038%2Fs41586-025-09873-4/MediaObjects/41586_2025_9873_Fig1_HTML.png","https://www.thenationalnews.com/resizer/v2/PP2LX2C7XNDCNN7ZZSD23FANFA.jpg?smart=true&auth=b16f0a1ffc509bd2503fd9270d032221957796a79885af5bb46ba4676670eeb9&width=400&height=225","https://www.thebrighterside.news/uploads/2025/12/immune-main.jpg?format=auto&optimize=high&width=1440","https://jang.com.pk/assets/uploads/updates/2025-12-22/55458_8106207_mri_updates.jpg","https://www.chosun.com/resizer/v2/WFOCHENVYFBSFN467EKD5FURRA.jpg?auth=ce6dc4bd13cf895de7fa7ca0f93ae678fd1d29c939f5cff4170b3945f6f1c519&width=616","https://www.geneonline.com/wp-content/uploads/EN_Mobile_Dec_HIV_AIDS-450x350.png","https://oncodaily.com/pub/uploads/2025/11/Nicola-Ferrari.png","https://www.tun.com/home/wp-content/uploads/2023/09/google.jpeg","醫學科學的前沿領域，因一項突破性發現而 dramatic 地重塑，這項發現改變了我們對免疫系統衰老的理解。**麻省理工學院研究人員** 揭示了一種革命性的方法，可暫時恢復免疫系統活力，有效地將肝臟轉變為一個用於免疫再生的精密細胞工廠。\n\n這項突破的核心是一種巧妙的**mRNA 傳輸技術**，它重新編程肝細胞，以產生胸腺傳統上產生的關鍵免疫信號因子。 透過脂質奈米粒子引入三個關鍵免疫因子（DLL1、FLT-3 和 IL-7），科學家們創造了一種暫時但強大的機制，以抵銷隨著年齡增長而發生的免疫功能自然衰退。\n\n實驗結果簡直非凡。在 18 個月大的小鼠（相當於 50 多歲的人類）中，多次 mRNA 注射展示了**免疫系統功能的顯著改善**。接受治療的小鼠，其細胞毒性 T 細胞群體增加了驚人的兩倍，增強了疫苗反應，並在癌症免疫治療中獲得了顯著改善的結果。 也许 最關鍵的是，這種方法顯示了在生物體壽命中保持強大免疫保護的潛力。\n\n這項研究特別具有革命性的地方，在於它對生物工程的策略性方法。透過靶向肝臟獨特的蛋白質生產能力，研究人員發現了一種替代胸腺因子分泌的途徑。這種方法是暫時的，但功能強大，避免了永久性基因修飾的風險，同時為與年齡相關的免疫系統惡化提供了動態解決方案。\n\n其影響遠遠超出了簡單的免疫增強。 這項突破表明我們對衰老的概念發生了範式轉變，為未來在細胞層面系統性地解決生物衰退提供了瞥見。 未來的研究將探索額外的信號因子和在不同免疫細胞類型中的潛在應用，可能開啟再生醫學的新前沿。",[28,31,34,37],{"title":29,"answer":30,"author":5,"avatar":5,"time":5},"這個mRNA方法究竟如何重振免疫系統？","研究人員使用mRNA將三種關鍵免疫因子（DLL1、FLT-3和IL-7）直接輸送至肝細胞，創造一個暫時性的「工廠」，產生胸腺通常產生的訊號。這種方法暫時性地重新編程肝細胞，以刺激T細胞的產生和存活，有效抵銷與年齡相關的免疫系統衰退。",{"title":32,"answer":33,"author":5,"avatar":5,"time":5},"最重要的實驗結果是什麼？","在 18 個月大的小鼠中，該治療導致細胞毒性 T 細胞群體翻倍、增強疫苗反應，並改善癌症免疫治療結果。具體而言，接受治療的小鼠顯示出更大且更多樣化的 T 細胞群體，並且在癌症治療期間的存活率顯著提高。",{"title":35,"answer":36,"author":5,"avatar":5,"time":5},"這種方法與先前試圖解決免疫衰老的方法有何不同？","與過往受限於毒性和臨床可行性的方法不同，此方法採用一種可避免永久基因修飾的瞬時 mRNA 傳輸系統。透過針對肝臟的蛋白質生產能力，它創造了一個動態、暫時的解決方案，以應對免疫系統衰退，且不會觸發自體免疫反應。",{"title":38,"answer":39,"author":5,"avatar":5,"time":5},"這項研究可能有哪些長遠影響？","這項突破性進展為再生醫學開啟了新的典範，提供了在細胞層面系統性解決生物衰老的潛力。 未來的研究可以探索額外的信號因子，以及在不同免疫細胞類型中的應用， 潛在開發出能幫助個體在整個生命週期中維持強大免疫保護力的治療方法。",[41,46,51,56,60,64,68,72,76,80,84,88,92,96,100,104,107,111,115,119],{"id":42,"title":43,"source":44,"logo":21,"time":45},130022,"mRNA therapy shows breakthrough in reversing aging immune system","https://jang.com.pk/en/55458-mrna-therapy-shows-breakthrough-in-reversing-aging-immune-system-news","2天前",{"id":47,"title":48,"source":49,"logo":12,"time":50},130033,"mRNA therapy restores T-cell production and rejuvenates immunity in aged mice - CHOSUNBIZ","https://biz.chosun.com/en/en-science/2025/12/18/VTEDAW5PMZBK5LAE7Z34GMIBVU/","6天前",{"id":52,"title":53,"source":54,"logo":14,"time":55},130077,"Mirco Julian Friedrich: A Strategy to Support the Aging Immune System by Turning the Liver Into a Temporary Factory for Immune Signals","https://oncodaily.com/voices/mirco-julian-friedrich-430583","5天前",{"id":57,"title":58,"source":59,"logo":24,"time":45},130023,"Nicola Ferrari: Restoring Youth to Old Immune Cells – mRNA Therapy Turns Back the Clock","https://oncodaily.com/voices/nicola-ferrari-432389",{"id":61,"title":62,"source":63,"logo":5,"time":50},130034,"Restoring youth to old immune cells: mRNA therapy turns back the clock","https://www.nature.com/articles/d41586-025-04082-5",{"id":65,"title":66,"source":67,"logo":17,"time":50},130078,"T Cell Populations in Aged Mice Rejuvenated By mRNA Delivery to Liver","https://www.genengnews.com/topics/translational-medicine/t-cell-populations-in-aged-mice-rejuvenated-by-mrna-delivery-to-liver/",{"id":69,"title":70,"source":71,"logo":11,"time":55},130031,"Novel Approach Reverses Age-Related Decline in Immune Cells","https://www.labroots.com/trending/immunology/29989/novel-approach-reverses-age-related-decline-immune-cells",{"id":73,"title":74,"source":75,"logo":5,"time":50},130032,"Novel mRNA therapy rejuvenates immune function in aging mice","https://www.news-medical.net/news/20251217/mRNA-therapy-rejuvenates-immune-function-in-aging-mice.aspx",{"id":77,"title":78,"source":79,"logo":15,"time":45},130076,"MIT Scientists Have Discovered a Way To Rejuvenate the Immune System","https://scitechdaily.com/mit-scientists-have-discovered-a-way-to-rejuvenate-the-immune-system/",{"id":81,"title":82,"source":83,"logo":22,"time":55},130026,"mRNA Treatment Rejuvenates Immune Cells in Aging Mice","https://www.chosun.com/english/industry-en/2025/12/19/XMOD5PVFI5BB7LCZMN2NCOA6LY/",{"id":85,"title":86,"source":87,"logo":23,"time":50},130037,"Liver Cell Reprogramming Shown to Enhance T Cell Function in Aging Immune Systems","https://www.geneonline.com/liver-cell-reprogramming-shown-to-enhance-t-cell-function-in-aging-immune-systems/",{"id":89,"title":90,"source":91,"logo":23,"time":55},130027,"mRNA-LNP Technology Used to Restore Liver Trophic Factors and Boost Antitumor Immunity in Older Adults","https://www.geneonline.com/mrna-lnp-technology-used-to-restore-liver-trophic-factors-and-boost-antitumor-immunity-in-older-adults/",{"id":93,"title":94,"source":95,"logo":5,"time":55},130024,"New MIT mRNA therapy restores immune defenses lost with age","https://www.aol.com/lifestyle/mit-mrna-therapy-restores-immune-125100738.html",{"id":97,"title":98,"source":99,"logo":19,"time":50},130035,"‘Fountain of youth’ discovered as mRNA technology revitalises ageing immune systems","https://www.thenationalnews.com/health/2025/12/17/fountain-of-youth-discovered-as-mrna-technology-revitalises-ageing-immune-systems/",{"id":101,"title":102,"source":103,"logo":18,"time":50},130079,"Transient hepatic reconstitution of trophic factors enhances aged immunity","https://www.nature.com/articles/s41586-025-09873-4",{"id":105,"title":94,"source":106,"logo":20,"time":55},130025,"https://www.thebrighterside.news/post/new-mit-mrna-therapy-restores-immune-defenses-lost-with-age/",{"id":108,"title":109,"source":110,"logo":10,"time":50},130036,"Scientists Discover Protein That Can Rejuvenate the Aging Immune System","https://scitechdaily.com/scientists-discover-protein-that-can-rejuvenate-the-aging-immune-system/",{"id":112,"title":113,"source":114,"logo":13,"time":55},130028,"Boosting Aged Immunity via Liver Factor Rebirth","https://bioengineer.org/boosting-aged-immunity-via-liver-factor-rebirth/",{"id":116,"title":117,"source":118,"logo":25,"time":55},130029,"MIT mRNA Breakthrough Hints at Rejuvenating Aging Immune Systems","https://www.tun.com/home/mit-mrna-breakthrough-hints-at-rejuvenating-aging-immune-systems/",{"id":120,"title":121,"source":122,"logo":16,"time":55},130030,"mRNA therapy restores immune function in ageing mice by turning the liver into a temporary immune organ","https://www.labmate-online.com/news/laboratory-research-news/126/breaking-news/mrna-therapy-restores-immune-function-in-ageing-mice-by-turning-the-liver-into-a-temporary-immune-organ/66390","#d38dbfff","#d38dbf4d",1766533709536]