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嚙齒動物的壽命相對較短，更容易快速繁殖，成本更低，具備可用的基因編輯技術，已經建立完善的行為測試方法。然而，大多數嚙齒動物模型未能再現患者的明顯和典型性神經退行性變。

斑馬魚擁有脊椎動物的神經結構組織，主要結構都與哺乳動物的大腦相似，具有與人類類似的功能性血腦屏障。斑馬魚生命周期短、繁殖力高，特別適合于大規模藥物篩選。

大腦發育、解剖結構、認知和行為復雜性方面與人更接近，大腦比小型動物要大得多并且具備皮質表面的折疊，與人的基因相似性更大，病理發展更類似，具備疾病評估的可用性，但是動物繁殖周期長，價格昂貴，基因修飾技術不夠完善。

參考文獻

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