自然法則下,大多數的不同物種均不能互相交配。233Please respect copyright.PENANAl8YelRBlEI
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儘管如此,近日有科學家「成功」嘗試把人類的幹細胞注入到猴子的胚囊裡頭,有部份的混種細胞更成功生存及繁殖19日之多。233Please respect copyright.PENANA6pkPUs3NXe
233Please respect copyright.PENANAElWcR8ce1m
233Please respect copyright.PENANAlrKzmyg6Vr
(圖2)從圖中可見,當人類的幹細胞注入到猴子的胚囊後,科學家便將「混種細胞」在體外的實驗室培植器皿飼養,並不斷觀察兩種細胞的繁殖去向。233Please respect copyright.PENANAa3I7IUxGBi
233Please respect copyright.PENANATOL1cepHRU
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233Please respect copyright.PENANAzmUZbNegq6
(圖3)研究人員共嘗試注射人類幹細胞到132個猴子胚囊裡頭,隨著日數增加,胚胎的存活裡亦有所遞減。233Please respect copyright.PENANAG0DQBdfs6k
233Please respect copyright.PENANASMJlpuYYa5
233Please respect copyright.PENANA7kk4qCEEbG
13日後,存活下來的胚胎僅只剩下3個。233Please respect copyright.PENANAY1uNJAmPCV
233Please respect copyright.PENANAR16PH2HMix
數字上無疑是一道失敗,但在整個過程中,人類的幹細胞的確是能夠在猴子胚囊繁殖及演化,證實人類幹細胞有能力在其他物種的胚胎細胞生存。233Please respect copyright.PENANA9suXxADI3X
233Please respect copyright.PENANAHIez6Cwn4d
為何要做這種實驗?233Please respect copyright.PENANAr7xykpUmoZ
233Please respect copyright.PENANAsqDPmXymbF
初心是希望透過其他物種發展人體器官,作醫學治病用途。233Please respect copyright.PENANAX2cv8gJMhd
現今已有不少研究在體外實驗室培植皿上發展類近器官的結構,但對比確實在動物體內的環境裡,效率及性能暫時來說始終是無法比得上。233Please respect copyright.PENANASNUZ3fxtnp
233Please respect copyright.PENANAkkIvpof1iK
至於道德倫理方面,這研究無疑是對全世界人士的一道試探。233Please respect copyright.PENANAPImahrCKKC
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233Please respect copyright.PENANAeFRoWCJX5n
233Please respect copyright.PENANA9Nv431Qm5T
233Please respect copyright.PENANARia3ZYJCBl
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。233Please respect copyright.PENANAxU75Eq6R4Z
233Please respect copyright.PENANAXthKbm8MGe
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/toc233Please respect copyright.PENANA7hWHsWQSw6
233Please respect copyright.PENANAFY63twe9MV
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。233Please respect copyright.PENANAzdM1pg2ciF
233Please respect copyright.PENANADOiYR5kHTc
Link:233Please respect copyright.PENANA7vxFvsI5d6
https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio233Please respect copyright.PENANASZmyuRkakt
233Please respect copyright.PENANAt1ktkYWsPn
233Please respect copyright.PENANAzEwuAuQAei
除非Facebook及IG重開侵侵的account,否則我的IG將不會再作更新,只會寄居本土LIHKG及Penana。233Please respect copyright.PENANA4xvWA9FDrt
233Please respect copyright.PENANAzouwFHAhrV
Ref1:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6015555/233Please respect copyright.PENANAwcJtux7XCn
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科普專欄–薯不揀單
Author:
薯仔聞茱莉
ISSUE #204
三十秒科學–大哥哥......
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READS 229
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