The discovery that larger quantities of blood-borne proteins enter the brains of young, healthy mice than enter those of aged animals will alter our understanding of the blood–brain barrier, and how it changes with age. Endogenous proteins tracked across the blood-brain barrier.

中文翻译：

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意外数量的血源性蛋白质进入年轻的大脑

与进入老年动物大脑相比，进入年轻健康小鼠大脑的血源性蛋白质数量更多的发现将改变我们对血脑屏障及其随年龄变化的理解。内源性蛋白质穿过血脑屏障。