[{"data":1,"prerenderedAt":125},["ShallowReactive",2],{"story-5359-cn":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,"免疫系统焕发新活力：肝脏成为新胸腺","麻省理工学院革新的mRNA方法有望逆转与年龄相关的免疫衰退",[],[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","医学科学的前沿领域被一项具有突破性的发现彻底改变，这项发现改变了我们对免疫系统衰老的理解。**麻省理工学院的研究人员** 推出了一种革命性的方法，可以暂时恢复免疫系统的活力，有效地将肝脏转变为一个复杂的细胞工厂，用于免疫再生。\n\n这项突破的核心是一种巧妙的**mRNA 递送技术**，它可以重新编程肝细胞，生成传统上由胸腺产生的关键免疫信号因子。通过脂质纳米颗粒引入三种关键免疫因子（DLL1、FLT-3 和 IL-7），科学家们创造了一种暂时但强大的机制，以对抗随着年龄增长而发生的免疫功能自然下降。\n\n实验结果简直非凡。在 18 个月大的小鼠（相当于 50 多岁的人类）中，多次 mRNA 注射证明了**免疫系统功能的显著改善**。接受治疗的小鼠的细胞毒性 T 细胞数量翻了一番，疫苗接种反应增强，并且在癌症免疫疗法中取得了显著改善的疗效。可能最关键的是，这种方法显示出在整个生物体寿命期间维持强大的免疫保护的潜力。\n\n这项研究特别具有革命性的原因是其在生物工程方面的战略方法。通过靶向肝脏独特的蛋白质生产能力，研究人员发现了一条替代的胸腺因子分泌途径。该方法是短暂的但强大的，避免了永久性基因修饰的风险，同时为与年龄相关的免疫系统恶化提供了动态的解决方案。\n\n其影响远不止简单的免疫增强。这项突破表明了我们对衰老的概念的范式转变，让我们得以一窥未来，届时生物衰退可以在细胞层面得到系统地解决。未来的研究将探索其他的信号因子以及在不同免疫细胞类型中的潜在应用，可能开启再生医学的新前沿。",[28,31,34,37],{"title":29,"answer":30,"author":5,"avatar":5,"time":5},"这种 mRNA 方法究竟是如何使免疫系统恢复活力的？","研究人员使用mRNA直接将三种关键免疫因子（DLL1、FLT-3和IL-7）递送到肝细胞中，从而创建一个临时的“工厂”，生成胸腺通常产生的信号。这种方法暂时重编程肝细胞，以刺激T细胞的产生和存活，从而有效地对抗与年龄相关的免疫系统衰退。",{"title":32,"answer":33,"author":5,"avatar":5,"time":5},"最重要的实验结果是什么？","在18个月大的小鼠中，该治疗使细胞毒性T细胞数量翻倍，增强了疫苗接种反应，并改善了癌症免疫治疗结果。具体而言，接受治疗的小鼠表现出更大、更多样化的T细胞群体，并在癌症治疗期间显著提高了存活率。",{"title":35,"answer":36,"author":5,"avatar":5,"time":5},"这种方法与之前解决免疫衰老问题的尝试有何不同？","与之前受限于毒性和临床可行性的方法不同，这种方法使用一种瞬时 mRNA 递送系统，避免了永久性的基因修饰。通过靶向肝脏的蛋白质生产能力，它创建了一个动态、临时的免疫系统衰退解决方案，而不会引发自身免疫反应。",{"title":38,"answer":39,"author":5,"avatar":5,"time":5},"这项研究的潜在长期影响是什么？","这一突破预示着再生医学的新范式，有望在细胞层面系统性地解决生物衰老问题。未来的研究可以探索其他信号因子以及在不同免疫细胞类型中的应用，从而开发出有助于在个体整个生命周期中维持强大免疫保护的治疗方法。",[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","#617136ff","#6171364d",1766533699072]