自然法則下,大多數的不同物種均不能互相交配。239Please respect copyright.PENANAq3kqElxQ4x
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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。239Please respect copyright.PENANAqktR9zES3c
239Please respect copyright.PENANAY3ey8C9d8v
239Please respect copyright.PENANAVAZDg8DOj2
(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。239Please respect copyright.PENANAea2g7Na4o1
239Please respect copyright.PENANAUYRgVNLyCa
239Please respect copyright.PENANAurDfrJ7xeK
239Please respect copyright.PENANAg4T2fAIqJK
(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。239Please respect copyright.PENANAka8P83eMtS
239Please respect copyright.PENANA2WTECfWFk3
239Please respect copyright.PENANAtJ4OLYsg4s
13日後,存活下來的胚胎僅只剩下3個。239Please respect copyright.PENANAYZGLagLWVE
239Please respect copyright.PENANA8cbHvdr7lI
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。239Please respect copyright.PENANAMtgqob3Hew
239Please respect copyright.PENANAKeC4tSMYNp
為何要做這種實驗?239Please respect copyright.PENANAWwoO9NB9Ro
239Please respect copyright.PENANAraJObxnsrF
初心是希望透過其他物種發展人體器官,作醫學治病用途。239Please respect copyright.PENANACWtEx3Gp30
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。239Please respect copyright.PENANADkh2qTeYf4
239Please respect copyright.PENANA4pwJHqi2o1
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。239Please respect copyright.PENANAiXyKLOr9eD
239Please respect copyright.PENANAAFTiVooOGC
239Please respect copyright.PENANA1zPI5XFXBA
239Please respect copyright.PENANAG5G2FLN0RH
239Please respect copyright.PENANAPezjP2lfc1
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。239Please respect copyright.PENANAeKqX9TIiRq
239Please respect copyright.PENANAac9czKSSaG
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/toc239Please respect copyright.PENANAaPxkhmAxwj
239Please respect copyright.PENANA0wvOreeOH6
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。239Please respect copyright.PENANAw8OvLeI8Qy
239Please respect copyright.PENANAgX6Gat4pS2
Link:239Please respect copyright.PENANAgqkdeGmTVL
https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio239Please respect copyright.PENANAGQ8qQ1vTQ8
239Please respect copyright.PENANAGUld9sb8fD
239Please respect copyright.PENANAxICzX6hQ5m
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。239Please respect copyright.PENANAxPZqDp5ybG
239Please respect copyright.PENANAX1ES3kXJ5n
Ref1:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6015555/239Please respect copyright.PENANAHn6J7LO9XQ
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科普專欄–薯不揀單
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薯仔聞茱莉
篇 #204
三十秒科學–大哥哥......
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