我們身體的各部份均是由細胞組成,眼睛晶片也自當然不例外。796Please respect copyright.PENANAtRVXVdoX4C
但細胞裡頭有著各式各樣的細胞器官,例如負責製造能源的粒線體(mitochondria)、收藏DNA的細胞核(nucleus)等,它們顯然並不是透明的。796Please respect copyright.PENANAOtaotg1ZJ9796Please respect copyright.PENANAfhUCyQsJQB
究竟身體有甚麼方法可以製造透明且能讓光線通過的眼鏡晶片呢?796Please respect copyright.PENANAGoqYemdYxo
796Please respect copyright.PENANAmTsAwVSw4w
796Please respect copyright.PENANAIOOLu5zETl
796Please respect copyright.PENANAG4yHv7HLvK
(圖2)答案很簡單,就是把那些細胞器官通通摧毀。796Please respect copyright.PENANA9B8KP8zrZF796Please respect copyright.PENANAbc7UD8a2OX
796Please respect copyright.PENANAb9L7gkXuab
從圖中可見,晶片的外圍有著表皮細胞(Epithelial cells)以及纖維細胞(Fibre cells),唯獨是中間區域的細胞,它們的細胞器官均接近得消失得一乾二淨。796Please respect copyright.PENANARhshbpItMW
796Please respect copyright.PENANAZMW5M3vhqK
796Please respect copyright.PENANAdXN7UMFl9Y
(圖3)有科學家利用班馬魚作動物模型,並將兩款細胞器官分別染成綠色及紅色。796Please respect copyright.PENANApiPkV1AEBU796Please respect copyright.PENANAUE7Q4to0Gj
796Please respect copyright.PENANAz9U900Oekq
從圖中可見,直至班馬魚受精後約59小時左右,綠色及紅色均分別清晰可見及有著其獨特的分佈,表示兩款細胞器官非常健在。796Please respect copyright.PENANApOMaf2RyL5
但在約60小時打後,紅色和綠色開始有著衰退的現象,亦即表示細胞器官開始逐漸被受摧毀。796Please respect copyright.PENANAMhUmtXkmK6
796Please respect copyright.PENANAV1cSHe5XjN
796Please respect copyright.PENANAEy6N9Wuxkv
(圖4)找出眼睛晶片的細胞器官被受摧毀的時段後,研究人員便著手進行一系列的實驗,796Please respect copyright.PENANAF3iYsa9mWq
並發現名為plaat的蛋白質負責在細胞器官的外膜進行破壞,因而引發細胞器官摧毀的過程。796Please respect copyright.PENANAwDdkvq2tKV796Please respect copyright.PENANA04fkBnqpRD
796Please respect copyright.PENANAYHcUJLKX7k
圖中為班馬魚的眼睛晶片,可見因為缺乏plaat蛋白質的緣故,細胞器官沒能完整摧毀,其晶片亦變得相對上混濁及不透光,影像亦較為不清晰。796Please respect copyright.PENANADCpeQWSUcx
796Please respect copyright.PENANAGHFhPiCx5W
796Please respect copyright.PENANABEF0zs1XYQ
(圖5)除班馬魚外,研究人員亦有利用老鼠進行實驗。796Please respect copyright.PENANAELER7Zbvly796Please respect copyright.PENANAUQsrpJWOxp
796Please respect copyright.PENANA7RYZIvBF50
跟班馬魚一樣,缺乏plaat蛋白質的老鼠眼睛晶片變得混濁及不透光,並影響視線。796Please respect copyright.PENANA5B8IW74F4O
796Please respect copyright.PENANAZ60AJdqsEA
796Please respect copyright.PENANA0JOwv1vnEc
796Please respect copyright.PENANA079xNZtJcF
796Please respect copyright.PENANA0L2zYdHSAn
796Please respect copyright.PENANAUN0CZxbNw1
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。796Please respect copyright.PENANAxCYvuDYhNZ
796Please respect copyright.PENANAukEOx7T9UN
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/toc796Please respect copyright.PENANAZiLpUvql3q
796Please respect copyright.PENANAHrUDsWQHhz
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。796Please respect copyright.PENANAskzePodT49
796Please respect copyright.PENANAjg9FnTE1Xm
Link:796Please respect copyright.PENANAL0dLNSQilz
https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio796Please respect copyright.PENANAByD27lijEh
796Please respect copyright.PENANAguTlDaWmUs
796Please respect copyright.PENANAdSKezmo67s
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。796Please respect copyright.PENANAZu10ENwCLG
796Please respect copyright.PENANAlqpewI7qRm
Ref1:https://www.nature.com/articles/s41586-021-03439-w796Please respect copyright.PENANAIWRCp26Rkn
arrow_back
科普專欄–薯不揀單
more_vert
-
info_outline 資料
-
toc 目錄
-
share 分享
-
format_color_text 介面設置
-
exposure_plus_1 推薦
-
打賞
-
report_problem 檢舉
-
account_circle 登入
X
科普專欄–薯不揀單
作者:
薯仔聞茱莉

篇 #205
三十秒科學–雪亮的眼睛
喜歡 1
閱讀 792
書籤 150
campaign
催更 0
打賞

按此加載下一章
X
每次催更後,作者都會收到通知!
smartphone100 → 催更
×
寫下你喜歡這個故事的地方
×
對此喜歡的人