ON THE FRONT COVER: Localization of tau phosphorylated at S217 (a biomarker for early, presymptomatic Alzheimer's disease), MAP2 (neuronal soma and dendrite marker) and PSD95 (dendritic spine marker), in green, red and purple respectively.

中文翻译：

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封面：tau 蛋白在 S217（早期阿尔茨海默病症状前的生物标志物）、MAP2（神经元体和树突标志物）和 PSD95（树突棘标志物）处磷酸化，分别为绿色、红色和紫色。