世間建築各具特色,而事實上,我們身體的細胞亦有著自己的一套「建築構念」。389Please respect copyright.PENANAWV2lh9ZyNS
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(圖2)正常的乳房細胞在體外培植的時候,當繁殖數量去到一定程度時便會停止生長,並建構出與體內相似的腺胞結構(acini)。389Please respect copyright.PENANAsJhhcNmscv
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而乳房癌細胞在體外培植的時候,則會無止境地生長,結構雜亂無章,不會展現出腺胞結構形狀。389Please respect copyright.PENANABAoLomK5D0
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(圖3)癌細胞不依正常預設方式生長的話,除了不斷增大,更會開拓出轉移到其他器官的可能。389Please respect copyright.PENANA8iN1PbUB6q
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當p53蛋白質發生變異的時候,乳房細胞呈現正常腺胞結構的比例會因而減少。389Please respect copyright.PENANA5T8XkYETsH
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事實上,癌細胞出現p53蛋白質特定位置的變異後,在老鼠身上出現轉移的機率亦會大增。389Please respect copyright.PENANAuT5mgK4wyW
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上集講及了癌細胞缺氧會引致p53蛋白質發生變異,而這道研究亦佐證了其異變為癌細胞帶來的好處。389Please respect copyright.PENANAhUEwrZGMkc
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上集:389Please respect copyright.PENANAzbqtI7xPRU
分半鐘科學–缺氧對癌細胞的好處389Please respect copyright.PENANAdKnFzcQfT0
- 分享自 LIHKG 討論區389Please respect copyright.PENANA4LdZFi3an0
https://lih.kg/2420256389Please respect copyright.PENANAiSVTj4svbc
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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。389Please respect copyright.PENANAHeHC57clHU
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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/toc389Please respect copyright.PENANAkPFznPwJTb
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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。389Please respect copyright.PENANAxgR0EWevyA
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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。389Please respect copyright.PENANA5VXn0Un01C
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Ref1:https://pubmed.ncbi.nlm.nih.gov/12492495/389Please respect copyright.PENANAG6qg5WX1Al
Ref2:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3511889/389Please respect copyright.PENANAuoL4KgkRKZ