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」。518Please respect copyright.PENANA5UfjGBfS3t518Please respect copyright.PENANA9oCnKOoKe3
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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)。518Please respect copyright.PENANAmuPM9QUGlf518Please respect copyright.PENANAdsR5StVaCj
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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。518Please respect copyright.PENANAAZ2RRMH8X9
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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。518Please respect copyright.PENANAWaMnU9tmK1518Please respect copyright.PENANANbxZEyswuc
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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。518Please respect copyright.PENANA4RVfM9HQ3U
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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。518Please respect copyright.PENANAr4BCqIFs75
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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。518Please respect copyright.PENANAAVeOGdKqN1
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上集:518Please respect copyright.PENANAFEhLWxTxiw
分半鐘科學–缺氧對癌細胞的好處518Please respect copyright.PENANAAZmuwBpu6V
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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/toc518Please respect copyright.PENANAcYUCaPHJkK
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Ref1:https://pubmed.ncbi.nlm.nih.gov/12492495/518Please respect copyright.PENANAOm82nXy9GF
Ref2:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3511889/518Please respect copyright.PENANAGh7vAqK4o4