我們身體細胞的DNA,會經過不同蛋白質的幫助下接疊以及壓縮,成為名為染色體(Chromosome)的結構。262Please respect copyright.PENANAnZRmNtroly262Please respect copyright.PENANAgFwyhWoqpx
262Please respect copyright.PENANAEjkbEJP3Km
而這些染色體、亦即是DNA,將會收藏在細胞裡的細胞核。262Please respect copyright.PENANAKM55ZVHYya
262Please respect copyright.PENANAEHTVPmRXoC
262Please respect copyright.PENANAWXLzPJPZ1c
(圖2)細胞進行自我複製時,將會複製自己的DNA,並會暫時性將細胞核的外膜消除。262Please respect copyright.PENANAmPI93Zw3u4262Please respect copyright.PENANAcQ14VD5yVP
262Please respect copyright.PENANAoKDp01kbRw
被複製的DNA會排在中間,然後經由線狀結構(綠色)往左右兩方邁進。262Please respect copyright.PENANA0A1OUMhnZU
262Please respect copyright.PENANA73eGZ1gOg8
262Please respect copyright.PENANAyOASz4ssL5
(圖3)往左右兩方邁進的染色體,有時候會出現跑得較為慢的染色體(圖中藍色箭嘴)。262Please respect copyright.PENANAaXVU3t4g3f262Please respect copyright.PENANASS6lNvnfF9
262Please respect copyright.PENANAOunaUq36j9
落後於人的染色體,最終有機會無法加入正常大隊,並自立一閣形成名為micronucleus的結構。262Please respect copyright.PENANA1myDlzad0T
262Please respect copyright.PENANApdpaIPEVPI
262Please respect copyright.PENANATSv3gb9v4Z
(圖4)這些名為micronucleus的結構,基於其外膜的發展並不完善,因此非常容易會出現損壞的情況。262Please respect copyright.PENANATa0WcmekaL262Please respect copyright.PENANAek99IlUhgd
262Please respect copyright.PENANALkfMiQvnL9
當外膜受到損毀,裡頭的DNA有極大機會遭受襲擊,因此出現變異的情況。262Please respect copyright.PENANA4MWIgUSYiY
262Please respect copyright.PENANAyaEYh2WG9b
而這些變異的DNA,往往就是讓正常細胞發展成為癌細胞的契機。262Please respect copyright.PENANA2xJXy7ldPj
262Please respect copyright.PENANA9MSDKQZGcF
262Please respect copyright.PENANAHoeaJHbdl5
262Please respect copyright.PENANATDenovQUNa
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。262Please respect copyright.PENANAaXZ0lWara1
262Please respect copyright.PENANA1ZqwkRgIfO
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/toc262Please respect copyright.PENANAqL2YlgAtqc
262Please respect copyright.PENANAOgdqNKTbSo
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。262Please respect copyright.PENANAdRjKsQo9Ba
262Please respect copyright.PENANAxRq0bReEdi
Link:262Please respect copyright.PENANAmKMe0cw9Ho
https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio262Please respect copyright.PENANACKfQBxOHCx
262Please respect copyright.PENANAXQPNUkPDor
262Please respect copyright.PENANAMt8TplHBgl
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。262Please respect copyright.PENANAK5nhCvU5BA
262Please respect copyright.PENANAxGmMFFZjly
Ref1:https://www.nature.com/articles/s41586-021-03417-2262Please respect copyright.PENANAGRM0T69Hsy