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」。547Please respect copyright.PENANAxxMWY42516547Please respect copyright.PENANAKmm6dJewCP
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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)。547Please respect copyright.PENANASCM6nDFzDj547Please respect copyright.PENANADp3cXpqFB9
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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。547Please respect copyright.PENANAcFXephm7rA
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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。547Please respect copyright.PENANAYoMdxtekYx547Please respect copyright.PENANAKksBcy6LVm
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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。547Please respect copyright.PENANArcuhvMY5dH
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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。547Please respect copyright.PENANAPBUQj2ClV1
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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。547Please respect copyright.PENANAoV1aCwjUzx
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上集:547Please respect copyright.PENANAruiySltQtm
分半鐘科學–缺氧對癌細胞的好處547Please respect copyright.PENANAiFxV69rYd5
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Ref1:https://pubmed.ncbi.nlm.nih.gov/12492495/547Please respect copyright.PENANAqPoiTat7Sw
Ref2:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3511889/547Please respect copyright.PENANAAnEgYKZEq4