The drugs target TNF-alpha, one of the immune system's signaling compounds.

这类药物作用于TNF - alpha——一种免疫系统的信号化合物。

youdao

So one or two Beta's, mostly Alpha's.

只有一两个β,基本都是选α的

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The compound targeted the protein kinase C-alpha, one of a family of 13 known proteins that relay information from one to another.

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