有几个研究组都在致力于研究更好的方法检测早期阿尔茨海默病，以开发在它造成太大破坏之前能治疗它的药物。

Several teams are working on better ways to detect early-stage Alzheimer's disease in hopes of developing drugs that can fight it before it causes too much damage.

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Plexxikon之所以能开发出这种药物，是因为研究人员利用基因测序仪绘出了黑色素瘤细胞的基因组，并发现了一个关键的突变。

Plexxikon was able to develop the drug because researchers using a gene sequencing machine had mapped the genomes of melanoma cells and found a key mutation.

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