The researchers found that they could prevent destructive immune cells from entering nervous system tissue by eliminating a molecular switch that sends "come here" messages to immune cells.

研究人员发现，他们可以通过去除发送“来这吧”信号的分子开关，抑制破坏性免疫细胞进入神经系统。

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This tissue will become the central nervous system.

这一组织将来会成为中枢神经系统。

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Here's why: Some toxins linked to prenatal nervous system and hormonal damage are stored in fatty tissue.

这样做的原因是一些和产前神经系统和内分泌损害有关的有毒物质是储存在脂肪组织中的。

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Again, in the context of a specific tissue site, in this case it's the nervous system.

当然又是放在某种组织当中来说,这次是在神经系统

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