隱現視覺刺激測試 (VIDEO)

City University of Hong Kong

Caption

研究在視神經受傷後六星期進行「隱現視覺刺激測試」。視力正常的小鼠在受到刺激後會即時停止移動，隨之跑到避難處下（左上）。半數經M1治療的小鼠同樣會迅速僵住、再走到避難處（左下）；而在M1及抑制Pten基因（一種可調節細胞生長速率的相關基因）的雙重療法下，更有達67%小鼠作出相同反應（右下）。不過，未有接受M1治療的受傷小鼠，則喪失了這種由視覺誘發的防禦反應（右上）。

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© Au, N. et al. https://www.pnas.org/doi/10.1073/pnas.2121273119

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