自然法則下,大多數的不同物種均不能互相交配。437Please respect copyright.PENANATPPTMmTmdv437Please respect copyright.PENANAYzzs5fexpc
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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。437Please respect copyright.PENANAWo2GhZQhDo
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(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。437Please respect copyright.PENANAcWKrtAgwGX437Please respect copyright.PENANAycFEWy1kJi
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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。437Please respect copyright.PENANASu50fHtPYR437Please respect copyright.PENANA0kGWkwoMAd
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13日後,存活下來的胚胎僅只剩下3個。437Please respect copyright.PENANAqwFltfTfDf
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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。437Please respect copyright.PENANAMK8tzM7VfI
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為何要做這種實驗?437Please respect copyright.PENANAATIgAv0hEV
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初心是希望透過其他物種發展人體器官,作醫學治病用途。437Please respect copyright.PENANAj3ETzPoV98
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。437Please respect copyright.PENANAfuSkI4X5RM
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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。437Please respect copyright.PENANA5cOYolhxJU
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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.PENANAb1N60skAlA
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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.PENANAXZu6kHvVlF
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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.PENANAcblNt8DbV3
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Link:437Please respect copyright.PENANAl1g40vXmMD
https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio437Please respect copyright.PENANAtSPhe0NOxF
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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。437Please respect copyright.PENANAvDswlIZJ7t
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Ref1:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6015555/437Please respect copyright.PENANAhfbutUCSFk