往不同動物例如老鼠及線蟲注射治療糖尿病的藥物(Metformin)後,壽命均會有顯著的增長。437Please respect copyright.PENANAnghspGGEM7437Please respect copyright.PENANAspIbkTr3LF
437Please respect copyright.PENANA83JOjpUVdu
有研究利用現成資料庫作對比,發現服用Metformin的糖尿病人歲數比沒有服用Metformin的健康人士為長(Ref1),亦有臨床研究嘗試為14名70歲的健康老人家注射為期6星期的Metformin,藉觀察體內的轉變以作抗衰老藥的研究基礎(Ref2)。437Please respect copyright.PENANAubPrHsWzqO
437Please respect copyright.PENANAP2vjyVgNju
(圖2)從圖中可見,往年輕線蟲注射Metformin的話,牠們的生存日子便會增長。437Please respect copyright.PENANAWtTJMyjMjo437Please respect copyright.PENANANgIrMlSzlr
437Please respect copyright.PENANAIyWSpk05FO
(圖3)但是,與年輕線蟲相反,往年老的線蟲注射Metformin的話,牠們的生存日子不但沒有增加,反而會減少。437Please respect copyright.PENANA4r2951CX5z437Please respect copyright.PENANAiiojTeaGcy
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(圖4)經過一系列的實驗,科學家認為Metformin能夠驅使年輕線蟲延壽的其中一個原因,是與粒線體的整體功用有關(Ref3)。437Please respect copyright.PENANALM1Z8KrhBI437Please respect copyright.PENANApWyr5Z3Yfz
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其中,Metformin為年輕線蟲的新陳代謝作出轉變,包括增加碳水化合物的分解,減低脂肪的含量等,但年老的線蟲卻沒能夠觸發同樣的效果,反而更會因新陳代謝機制的不良負荷而增加死亡率。437Please respect copyright.PENANAYoWjEJGKPq
437Please respect copyright.PENANA9f29ww5zOG
文中的科學家亦就此作出質疑,既然Metformin只能使年輕線蟲而非年老線蟲延壽,那又究竟是否值得「魯莽」地對健康老人家進行Metformin的延壽研究。437Please respect copyright.PENANAegyZdYf4Vl
437Please respect copyright.PENANAqd137Rwjpb
437Please respect copyright.PENANAkju2VOA0Ph
如果想我快啲出文的話,請入去Penana網站科普專欄–薯不揀單俾一個like以及Bookmark,這對我非常之重要。437Please respect copyright.PENANAxx4jas523S
437Please respect copyright.PENANANRUj9DRi4g
Link: https://www.penana.com/story/66244/%E7%A7%91%E6%99%AE%E5%B0%88%E6%AC%84-%E8%96%AF%E4%B8%8D%E6%8F%80%E5%96%AE/toc437Please respect copyright.PENANA8P0m4fpOl5
437Please respect copyright.PENANAbUu4d5mdG4
同時亦可以在Penana網站裡按「買一嚿/半嚿薯仔」,以課金的方式推動我繼續搜羅資料寫文,多謝。437Please respect copyright.PENANAMrQYrF47wG
437Please respect copyright.PENANAc9HBKS5ydB
Link:437Please respect copyright.PENANAtUg0ja6ucy
https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio437Please respect copyright.PENANAbN2RMQaXn6
437Please respect copyright.PENANAEexxL7Z8Aj
有興趣接收科學資訊的話,歡迎follow IG: potatopigtongue。437Please respect copyright.PENANATpUxRmVdSG
437Please respect copyright.PENANAVP4mbfzhpv
https://www.instagram.com/potatopigtongue/437Please respect copyright.PENANAWtNu3WXALG
437Please respect copyright.PENANAR3LQdEwAE7
437Please respect copyright.PENANAXbbCzE3vWx
437Please respect copyright.PENANA4w4zWpdzhc
437Please respect copyright.PENANAKyayvTg4jC
Ref1:https://pubmed.ncbi.nlm.nih.gov/25041462/437Please respect copyright.PENANAjMCF1gRbrm
Ref2:https://pubmed.ncbi.nlm.nih.gov/29383869/437Please respect copyright.PENANAonvo7Szhy1
Ref3:https://www.nature.com/articles/s42255-020-00307-1437Please respect copyright.PENANAduDSerldVT
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深入淺出–延壽藥物的研究(一)
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