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」。541Please respect copyright.PENANAKtjM94jsk3541Please respect copyright.PENANA28ZgmG9Loe
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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)。541Please respect copyright.PENANArHDcnSRgtn541Please respect copyright.PENANAajZPpnnwgf
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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。541Please respect copyright.PENANAvZeOdL8zZh
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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。541Please respect copyright.PENANAz39gKHz1pD541Please respect copyright.PENANAfdwhD0pPsY
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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。541Please respect copyright.PENANAVu6KhCqwKf
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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。541Please respect copyright.PENANAvQQCJn8mBI
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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。541Please respect copyright.PENANAdvSDFsOdRZ
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上集:541Please respect copyright.PENANAX9zJzxIiB1
分半鐘科學–缺氧對癌細胞的好處541Please respect copyright.PENANA7X8UWQ6vBR
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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/toc541Please respect copyright.PENANAOEsVy4TSVi
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Ref1:https://pubmed.ncbi.nlm.nih.gov/12492495/541Please respect copyright.PENANAePNRxD5ovd
Ref2:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3511889/541Please respect copyright.PENANA7pW8ZEYJjy