自然法則下,大多數的不同物種均不能互相交配。271Please respect copyright.PENANAMF4XnlFany271Please respect copyright.PENANAjhWQpo0tw1
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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。271Please respect copyright.PENANAMqize8Vx4S
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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。271Please respect copyright.PENANAJFSTRXcQbL271Please respect copyright.PENANA1sq8wfmpXz
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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。271Please respect copyright.PENANAo0AhUtmZXh271Please respect copyright.PENANAScFgSxNAIc
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13日後,存活下來的胚胎僅只剩下3個。271Please respect copyright.PENANAfK0OieYGcu
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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。271Please respect copyright.PENANAfdFDSboJDH
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為何要做這種實驗?271Please respect copyright.PENANA3OWh1z9nAd
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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。271Please respect copyright.PENANAbcMCJxKq18
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。271Please respect copyright.PENANAkaX4fDuIJK
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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。271Please respect copyright.PENANADmc4rmVrTR
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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。271Please respect copyright.PENANA5tVK9VmEr9
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Ref1:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6015555/271Please respect copyright.PENANA2wJkzVA1y3