自然法則下,大多數的不同物種均不能互相交配。454Please respect copyright.PENANAi21thKROGm454Please respect copyright.PENANArLL4EikxOt
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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。454Please respect copyright.PENANAW26JSU249i
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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。454Please respect copyright.PENANATqsQJSYdOS454Please respect copyright.PENANAorI9PwcpUW
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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。454Please respect copyright.PENANAxVHEfxnPUV454Please respect copyright.PENANAJBHlwn8bSc
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13日後,存活下來的胚胎僅只剩下3個。454Please respect copyright.PENANA88mtKzr3Xl
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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。454Please respect copyright.PENANAyZdZDLyte3
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為何要做這種實驗?454Please respect copyright.PENANAOmDQ1DYFaE
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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。454Please respect copyright.PENANAgFC0jVbVQd
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。454Please respect copyright.PENANAucVjP70KyS
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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。454Please respect copyright.PENANAO9JFsCcbbH
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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。454Please respect copyright.PENANANnhuvuN1FJ
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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。454Please respect copyright.PENANA3ajjiQk0IK
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Ref1:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6015555/454Please respect copyright.PENANA11gYEfxbVz