自然法則下,大多數的不同物種均不能互相交配。269Please respect copyright.PENANAGsdR8PgoaC269Please respect copyright.PENANAfyl5dOBAvC
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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。269Please respect copyright.PENANACmnRW1WlXl
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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。269Please respect copyright.PENANAIPxrTboUGT269Please respect copyright.PENANAJMDmUZXuGD
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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。269Please respect copyright.PENANAjFQGenNBAF269Please respect copyright.PENANA6gAnIVdwol
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13日後,存活下來的胚胎僅只剩下3個。269Please respect copyright.PENANAU3V3UD7qMT
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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。269Please respect copyright.PENANA1HsexC4Meq
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為何要做這種實驗?269Please respect copyright.PENANA6whndJFIau
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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。269Please respect copyright.PENANAsMkslyHRHq
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。269Please respect copyright.PENANAhKdVoVBSPJ
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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。269Please respect copyright.PENANADL7P0mabS3
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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。269Please respect copyright.PENANAR9wnJbDkLq
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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/toc269Please respect copyright.PENANAK3ExwPb5IB
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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。269Please respect copyright.PENANANC1VbCkWqc
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Link:269Please respect copyright.PENANAv8spSaV8c3
https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio269Please respect copyright.PENANAHm5FsYET8J
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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。269Please respect copyright.PENANA0eySu2Tyra
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Ref1:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6015555/269Please respect copyright.PENANAxEXspvvVN3