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」。483Please respect copyright.PENANAeo1YZLOuah483Please respect copyright.PENANAQWSCRNZwNd
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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)。483Please respect copyright.PENANAPUzM59tyy0483Please respect copyright.PENANAWF5vHS4pi3
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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。483Please respect copyright.PENANA8EXC16OKX1
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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。483Please respect copyright.PENANAiC0xd4VeI2483Please respect copyright.PENANAYhHz8KjJdn
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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。483Please respect copyright.PENANAX7HNizWZHk
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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。483Please respect copyright.PENANAQAnE86pLwO
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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。483Please respect copyright.PENANAB9fOVbHQCo
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上集:483Please respect copyright.PENANAvkidBSYf89
分半鐘科學–缺氧對癌細胞的好處483Please respect copyright.PENANAiXXFwBPFru
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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/toc483Please respect copyright.PENANAal8VYAZiPQ
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Ref1:https://pubmed.ncbi.nlm.nih.gov/12492495/483Please respect copyright.PENANAuFSzDYHk9A
Ref2:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3511889/483Please respect copyright.PENANAu8ClC3GI6M