He speculates that it is involved with the mechanism that activates cells that trigger the immune system to destroy insulin-producing cells.

他推测，这是参与机制，激活细胞，触发免疫系统破坏的胰岛素分泌细胞。

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It binds and activates protein kinase c, causing a wide range of effects in cells and tissues (1, 2).

它结合并激活蛋白激酶c，对很多细胞和组织产生影响(1,2)。

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Morphine deadens pain by acting at nerve synapses, but it also activates glial cells, possibly worsening the drug's side effects, such as drowsiness, tolerance, worsening of pain, and addiction.

吗啡通过作用于神经突触来缓解疼痛，但它同时也兴奋了胶质细胞，可能也加剧了该药的副作用，如嗜睡，耐受，疼痛加剧和成瘾。

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Although there is, as yet, no published evidence that sirtuins extend life in mammals, or that resveratrol activates sirtuins in human cells, some of these molecules are already in clinical trials for safety.

ECONOMIST: How to live longer��maybe

When a blue light is applied to the area, it activates the drug and shows any abnormal cells as red.

BBC: Shining a light on bowel cancer