自然法則下,大多數的不同物種均不能互相交配。499Please respect copyright.PENANAnz8uVtQkq5499Please respect copyright.PENANA96X0zmeNRy
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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。499Please respect copyright.PENANAeM147XBCNb
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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。499Please respect copyright.PENANAG58injbcO3499Please respect copyright.PENANA6krQ0pIiID
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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。499Please respect copyright.PENANAQYHL8cjpU5499Please respect copyright.PENANAdKPCpFWMrq
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13日後,存活下來的胚胎僅只剩下3個。499Please respect copyright.PENANAik8qOvGYfI
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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。499Please respect copyright.PENANAChak4lamDA
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為何要做這種實驗?499Please respect copyright.PENANANCpjzCnb1g
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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。499Please respect copyright.PENANA0IEFsRAqUe
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。499Please respect copyright.PENANASE2Bw24dtn
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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。499Please respect copyright.PENANAjDM8cKnJC4
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https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio499Please respect copyright.PENANA4FQYhNS2Q4
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Ref1:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6015555/499Please respect copyright.PENANAWWAxJPAPv2