自然法則下,大多數的不同物種均不能互相交配。252Please respect copyright.PENANATD0V3Yp5SS
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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。252Please respect copyright.PENANAvkiwISt1sm
252Please respect copyright.PENANA7jY8I9VRvF
252Please respect copyright.PENANAZKyrCh75UP
(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。252Please respect copyright.PENANAKo8A7ZeoV9
252Please respect copyright.PENANAm0zS33dWOU
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(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。252Please respect copyright.PENANAAjQHZ5AmS2
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13日後,存活下來的胚胎僅只剩下3個。252Please respect copyright.PENANAhaK7ncfeH3
252Please respect copyright.PENANA5KEVQ46Hru
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。252Please respect copyright.PENANAhFXYhhlD0R
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為何要做這種實驗?252Please respect copyright.PENANAZhfPsz1BLt
252Please respect copyright.PENANAMwJ6mZEHSF
初心是希望透過其他物種發展人體器官,作醫學治病用途。252Please respect copyright.PENANAukJmVprneF
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。252Please respect copyright.PENANAjDThpQMVGK
252Please respect copyright.PENANAgTfluY4o3E
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。252Please respect copyright.PENANArXSOJGiob8
252Please respect copyright.PENANA5mGNB7UwQt
252Please respect copyright.PENANAbfC6Iefq6g
252Please respect copyright.PENANA11s3seEmdO
252Please respect copyright.PENANAVSYUTqMVtg
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。252Please respect copyright.PENANAF0dBIJaC5g
252Please respect copyright.PENANArmho0TNA88
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/toc252Please respect copyright.PENANAOxc7bzbxxa
252Please respect copyright.PENANAeiERie3qeP
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。252Please respect copyright.PENANAtxpEs60eyt
252Please respect copyright.PENANA5REY4dIkTY
Link:252Please respect copyright.PENANABTsIjpLU58
https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio252Please respect copyright.PENANAY8XKoZlwcU
252Please respect copyright.PENANA7YG9TbknUt
252Please respect copyright.PENANAZHkxlNNGVG
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。252Please respect copyright.PENANAFNSYOTIIn5
252Please respect copyright.PENANAu2pmC7GxAB
Ref1:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6015555/252Please respect copyright.PENANA41MrvniqMC
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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 248
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