長頸鹿是陸上最高的生物,其身體構造亦因此有著與眾不同的地方。287Please respect copyright.PENANA1r2nH0jpLk
287Please respect copyright.PENANAZ3ZMskiB3d
287Please respect copyright.PENANAjw20pMj4fT
(圖2)以血液循環系統方面來說,牠的心臟必須要抵受比其他動物更高的壓力才能把血液輸送到腦部裡頭。287Please respect copyright.PENANAbDry28uH00
287Please respect copyright.PENANA3Iw95ZavPT
287Please respect copyright.PENANAZIGzKLWEhI
同時間,牠亦必須配備完善的機制來調節仰頭吃葉或低頭飲水所帶來的急劇血壓轉變。287Please respect copyright.PENANA9jPaaGTeCZ
287Please respect copyright.PENANAqURP6gg3iz
若然調節失衡的話,很大機會對其他器官構成威脅及傷害。287Please respect copyright.PENANAsSxLOmEafh
287Please respect copyright.PENANAyhxJTpSAzi
287Please respect copyright.PENANATGjQSIKtXS
(圖3)研究發現,長頸鹿的FGFRL1基因出現7道沒能在其他動物(包括人類)尋覓得到的變異。287Please respect copyright.PENANAt028bdCBG1
287Please respect copyright.PENANAg1DI11i6Ff
287Please respect copyright.PENANA4P2fMDFaMx
有科學家把老鼠的FGFRL1基因轉換成長頸鹿的版本,並為老鼠們注射會引致高血壓的藥物。287Please respect copyright.PENANADQD16UFDQ7
287Please respect copyright.PENANAykLyUtWQtn
正常老鼠的上下壓在藥物影響下錄得了顯著上升,但擁有長頸鹿版本的老鼠其上下壓並沒有出現顯著的上升。287Please respect copyright.PENANAS5kTVkYCUU
287Please respect copyright.PENANA39yte1l6Aa
(圖4)最為神奇的是,正常老鼠在藥物的影響下所出現的心肌纖維化徵狀,並沒有出現在長頸鹿版本的老鼠身上。287Please respect copyright.PENANACFFXbVkHvF
287Please respect copyright.PENANA0ItjWXBdac
287Please respect copyright.PENANAqHPknyJY8k
科學家正在嘗試拆解長頸鹿FGFRL1基因版本對心臟等方面所影響的機制,若果能透徹亦剖析整套機制,或許可用作建構抵禦高血壓或其他心臟問題的藥物。287Please respect copyright.PENANADydJc9TVYD
287Please respect copyright.PENANAqhfFUWwViv
287Please respect copyright.PENANAOC5qG7RcKu
287Please respect copyright.PENANAExO4ThCiGW
287Please respect copyright.PENANAAvfAaELD7I
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。287Please respect copyright.PENANAEx6uZD9mIU
287Please respect copyright.PENANAcTtRrhTO41
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/toc287Please respect copyright.PENANAP1zC54Qdo4
287Please respect copyright.PENANA2JIFQuGfa1
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。287Please respect copyright.PENANAItRtxVhAIw
287Please respect copyright.PENANA27H4micyrH
Link:287Please respect copyright.PENANAQ4pKNVEYv5
https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio287Please respect copyright.PENANATvGLQkfFif
287Please respect copyright.PENANAA7AUS61DXd
287Please respect copyright.PENANABoaormdVuD
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。287Please respect copyright.PENANA59mCuNDKHW
287Please respect copyright.PENANA3K86kQrmYZ
Ref1:https://advances.sciencemag.org/content/7/12/eabe9459287Please respect copyright.PENANAihn9iuvJiK
arrow_back
科普專欄–薯不揀單
more_vert
-
info_outline Info
-
toc Table of Contents
-
share Share
-
format_color_text Display Settings
-
exposure_plus_1 Recommend
-
Sponsor
-
report_problem Report
-
account_circle Login
Search stories, writers or societies
Continue ReadingClear All
What Others Are ReadingRefresh
X
Never miss what's happening on Penana!
科普專欄–薯不揀單
Author:
薯仔聞茱莉
ISSUE #185
三十秒科學–長頸鹿的奧袐
LIKES 1
READS 283
BOOKMARKS 148
campaign
Request update 0
Sponsor
Login with Facebook
or Sign up/Login to comment or bookmark!
Click to load the next chapter
X
After each update request, the author will receive a notification!
smartphone100 → Request update
X
Sponsor again
Click to login
Login first to show your name as a sponsor.
Thank you for supporting the story! :)
Please Login first.
×
Write down what you like about the story
×
Reading Theme:
Font Size:
Line Spacing:
Paragraph Spacing:
Load the next issue automatically
Reset to default
×
People Who Like This