現今至少有兩間公司的人造抗體(LY/REGN)被緊急認可為武肺的治療方法。585Please respect copyright.ＰＥＮＡＮＡw3GnmSUEwZ
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但基於這兩種人造抗體需經由血管注射，其間病人需卧床約一小時間，且需求人手密切監察整個過程，實際運行的成本非常高昂，因此未能普及。585Please respect copyright.ＰＥＮＡＮＡrFcn34sEz6
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更甚的是，有數據顯示當人造抗體經血管注射後，能抵達肺部裡頭的數量少至有少(血液抗體含量比肺部抗體含量高出200-500倍有多)，且已知當今的武肺病毒變種能有效躲避兩間公司的人造抗體追捕，使至人造抗體的地位日漸式微。585Please respect copyright.ＰＥＮＡＮＡAjtEivPWRC
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(圖2)武肺病毒最主要的作惡地方是肺部，要解決肺部抗體含量過少的問題，其中一道手段就是從鼻腔注射人造抗體，使其能較易直達肺部。585Please respect copyright.ＰＥＮＡＮＡtfbHlK3LWQ
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從老鼠模型實驗中，可以見到往鼻腔注射人造抗體後，抗體(紅黃色區域)會聚集在鼻腔(N)及肺部(Lu)裡頭。585Please respect copyright.ＰＥＮＡＮＡmemQZtzIWp
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(圖3)至於解決武肺變種的問題，其中一手段就是將五個單一抗體連結成一個個體(五合一)，利用「龐大」的身驅阻礙病毒進入細胞。585Please respect copyright.ＰＥＮＡＮＡGwBRiL9ZR4
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在老鼠實驗中，鼻噴式的五合一抗體能有效阻隔英國及巴西變種等病毒，且有著預防及治療武肺的功效，同時亦沒有對老鼠的體重和明顯特徵做成任何影響。585Please respect copyright.ＰＥＮＡＮＡJdryYzL2yM
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若能順利通過人體臨床實驗，定必為世界的安定起來重要的作用。585Please respect copyright.ＰＥＮＡＮＡIt0WOke3px
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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。585Please respect copyright.ＰＥＮＡＮＡ299T7KnDmd
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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。585Please respect copyright.ＰＥＮＡＮＡvvOb81xNde
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https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio585Please respect copyright.ＰＥＮＡＮＡWg9oDYL1s8
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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。585Please respect copyright.ＰＥＮＡＮＡiRT5Jl79pc
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Ref1:https://www.nature.com/articles/s41586-021-03673-2_reference.pdf585Please respect copyright.ＰＥＮＡＮＡ6rz2uMDHkR
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