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。628Please respect copyright.PENANAW4wOV8S49Y
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。628Please respect copyright.PENANA92c2FBoba1628Please respect copyright.PENANAtOeTxTTZs5
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?628Please respect copyright.PENANAD1eMlLhytc
628Please respect copyright.PENANA7Jedd6wtcc
628Please respect copyright.PENANA5SNGni9dus
628Please respect copyright.PENANAegRkjcwB8Y
(圖2)答案很簡單,就是把那些細胞器官通通摧毀。628Please respect copyright.PENANA84C36zZTPG628Please respect copyright.PENANAu09ogBDSNq
628Please respect copyright.PENANA9IRwjjlpvi
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。628Please respect copyright.PENANAvQrgJMkkN6
628Please respect copyright.PENANAswn03nIE7k
628Please respect copyright.PENANAuCLsVmFKJQ
(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。628Please respect copyright.PENANAQVumwbVzUD628Please respect copyright.PENANASxMVR7JgZV
628Please respect copyright.PENANAWFpurvAGC8
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。628Please respect copyright.PENANArV3NyGevC7
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。628Please respect copyright.PENANAXhyuLZ7RS7
628Please respect copyright.PENANAKZ0rJWgQMY
628Please respect copyright.PENANAHgws1Of65L
(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,628Please respect copyright.PENANAjmFU8n1LGv
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。628Please respect copyright.PENANAjULgK66GJ7628Please respect copyright.PENANAzxtTxE31c0
628Please respect copyright.PENANAvz7XVjK3R3
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。628Please respect copyright.PENANArMRMDTDHsR
628Please respect copyright.PENANAMqtsYThnaK
628Please respect copyright.PENANAxdTy8x2DrN
(圖5)除班馬魚外,研究人員亦有利用老鼠進行實驗。628Please respect copyright.PENANAn9619bimYC628Please respect copyright.PENANAHiRLH1Pbuy
628Please respect copyright.PENANACfVqOQs0o8
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。628Please respect copyright.PENANAQ3rQcsvy2X
628Please respect copyright.PENANALynGZFbjEr
628Please respect copyright.PENANAmP6VXC52oW
628Please respect copyright.PENANArrysPlzgJe
628Please respect copyright.PENANAqFKIPg5BYw
628Please respect copyright.PENANA6mkcqtBh0O
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。628Please respect copyright.PENANAfmXllMNmxT
628Please respect copyright.PENANA9s1LAlRqVz
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/toc628Please respect copyright.PENANAuJOo29PXmb
628Please respect copyright.PENANAwEHZW8V4et
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。628Please respect copyright.PENANAYpRiv1XHaY
628Please respect copyright.PENANAtRdBlFm3ow
Link:628Please respect copyright.PENANAxjweUj5ZeA
https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio628Please respect copyright.PENANAKhE2mHhVNM
628Please respect copyright.PENANAOiTfBo0DiW
628Please respect copyright.PENANA22SxjOVrK6
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。628Please respect copyright.PENANAREYKX60mCC
628Please respect copyright.PENANA8A2OA0WFFq
Ref1:https://www.nature.com/articles/s41586-021-03439-w628Please respect copyright.PENANAyKNW43aZkk