These two tRNA synthetases link protein synthesis to a major cell signaling pathway in the given mammalian cells.

在哺乳动物细胞中，蛋白质的生物合成途径与细胞信号转导途径紧密相连。

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The scientists also found a link with orexin, a protein involved in regulating the sleep cycle.

科学家发现一种名为增食欲素(orexin)的蛋白质与调节睡眠周期有关。

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The study, however, did not link a specific organ autoimmune attack with a specific protein missing in the thymus.

但是，这个实验没有将胸腺内特定蛋白的缺失与特定组织的自身免疫反应联系起来。

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The new study confirmed a link, but did not find evidence that the C-reactive protein causes the disease.

VOA: special.2009.07.15

Amino acids link together to form a protein when the amine group on one reacts with the acid group on the next.

ECONOMIST: Folding stuff

"In my view, these results are very, very slightly hopeful, but not more than this, " says John Hardy, a University College, London, neuroscientist and geneticist who was among the first to point to a link between amyloid, the protein bapineuzumab attacks, and Alzheimer's.

FORBES: Hope Mixes With Doubt For Alzheimer's

Fattom's solution was to link the sugars to a larger carrier protein, in this case an inactivated bacteria called Pseudomonas.

FORBES: Quitter's Aid