自然法則下,大多數的不同物種均不能互相交配。231Please respect copyright.PENANAlHmnTjn4hO
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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。231Please respect copyright.PENANA2enKD6qRR7
231Please respect copyright.PENANALzKArOHTK0
231Please respect copyright.PENANAGyp67oj0jG
(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。231Please respect copyright.PENANAGyjkkEL9IW
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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。231Please respect copyright.PENANAS31cXwgHvs
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13日後,存活下來的胚胎僅只剩下3個。231Please respect copyright.PENANABMKQvcJKaM
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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。231Please respect copyright.PENANAQmbsmTaf0K
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為何要做這種實驗?231Please respect copyright.PENANAYky6umBV1f
231Please respect copyright.PENANAflRw2gv0Zb
初心是希望透過其他物種發展人體器官,作醫學治病用途。231Please respect copyright.PENANAAJVbm0jxA8
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。231Please respect copyright.PENANAkpu9ZjyOq8
231Please respect copyright.PENANAAANwpW6jxR
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。231Please respect copyright.PENANAlHEnyYSLmf
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231Please respect copyright.PENANAFd96HgWpoi
231Please respect copyright.PENANAkigDOR0lc1
231Please respect copyright.PENANAhidpzRlF04
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。231Please respect copyright.PENANAGKflzQydiO
231Please respect copyright.PENANAwPB2ipxKKt
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/toc231Please respect copyright.PENANAvXk06DRrwj
231Please respect copyright.PENANAc5EMJdIx5o
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。231Please respect copyright.PENANAzDpqvX91Tx
231Please respect copyright.PENANA3G4M7bFv6f
Link:231Please respect copyright.PENANAIWCpexe5Sv
https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio231Please respect copyright.PENANAr57RekyR6G
231Please respect copyright.PENANAra2RZfQ0P8
231Please respect copyright.PENANAUIbmYvNYab
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。231Please respect copyright.PENANAp2ZrrVOt27
231Please respect copyright.PENANAG7y9SyMFEo
Ref1:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6015555/231Please respect copyright.PENANAvumNeqGcS7
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科普專欄–薯不揀單
Author:
薯仔聞茱莉
ISSUE #204
三十秒科學–大哥哥......
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READS 227
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