Aguzzi theorizes that PrP is a signaling molecule in axons that's needed to "keep Schwann cells happy."
Aguzzi推理说，PrP就是轴突里的信号分子，会使施沃恩细胞健康快乐。
Symptoms included increased insulin resistance and atherosclerosis and higher levels of a signaling molecule that activates a class of immune defensive cells known as macrophages.
症状包括胰岛素抵抗增加、动脉粥样硬化和能够刺激免疫防御细胞-巨噬细胞的高水平信号分子。
Arnsten said that the aging prefrontal cortex appears to accumulate excessive levels of a signaling molecule called cAMP, which can open ion channels and weaken prefrontal neuronal firing.
Arnsten认为，衰老的前额叶皮层中积累了过多的信号化学分子，称为环腺苷酸(Camp)，它能打开离子通道，从而削弱前额叶皮层中神经元放电的频率。
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