自然法則下,大多數的不同物種均不能互相交配。541Please respect copyright.PENANAXdQBP5mGz9541Please respect copyright.PENANA8H5G2vbxdY
541Please respect copyright.PENANAUS7WSjQs3c
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。541Please respect copyright.PENANAWxneAPCv03
541Please respect copyright.PENANAXGiMX5JKTv
541Please respect copyright.PENANAoRWienpfT4
(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。541Please respect copyright.PENANAgKBkTWtGy5541Please respect copyright.PENANAv0VF9E9y38
541Please respect copyright.PENANA2jkXbymcK7
541Please respect copyright.PENANAmLzKP1bn1B
(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。541Please respect copyright.PENANA0NFMG1Fszk541Please respect copyright.PENANAJkP6xAAd9h
541Please respect copyright.PENANADcUtR8zx0x
13日後,存活下來的胚胎僅只剩下3個。541Please respect copyright.PENANAedcBvIAX6D
541Please respect copyright.PENANAvyxY1lH1mq
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。541Please respect copyright.PENANAm7TkhUzjlV
541Please respect copyright.PENANAkDWwNY6XiA
為何要做這種實驗?541Please respect copyright.PENANAJgA9zFVwr4
541Please respect copyright.PENANASYzACcXeTC
初心是希望透過其他物種發展人體器官,作醫學治病用途。541Please respect copyright.PENANAYGUF8MdQ6n
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。541Please respect copyright.PENANAYk3jfXiGZw
541Please respect copyright.PENANA4HksnODZ3J
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。541Please respect copyright.PENANA4ISdAMXvUI
541Please respect copyright.PENANAiav2hQOPUH
541Please respect copyright.PENANAfqwRKeMy32
541Please respect copyright.PENANA1x7NR13vjz
541Please respect copyright.PENANAyXFlPrAZZ9
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。541Please respect copyright.PENANAhsjV5ULzgg
541Please respect copyright.PENANAP9movDogjO
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/toc541Please respect copyright.PENANAaiWBBfUtUS
541Please respect copyright.PENANAoqxAEfpsZb
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。541Please respect copyright.PENANAKdW8tkuXJt
541Please respect copyright.PENANAkz7EB9L35Z
Link:541Please respect copyright.PENANAlntDRu8o8N
https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio541Please respect copyright.PENANAlUi80BekAk
541Please respect copyright.PENANA3AGVB9pDpr
541Please respect copyright.PENANAoTLzD9MTxr
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。541Please respect copyright.PENANAOWqZwB6LdS
541Please respect copyright.PENANAPDjq0wpM2N
Ref1:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6015555/541Please respect copyright.PENANAAGqsA3NfSE
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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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