它可降低皮肤过敏反应，提高表面酶的活性，这种酶可以有效抑制造成皮肤老化的自由基。

It can reduce anaphylaxis, raise the activity of surface enzyme which may efficiently resist free radical that causes skin aging.

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这种酶可以粘附到细胞的表面然后和一种添加的样本上的染色剂反应。

This gets stuck on the cell's surface and then reacts with a stain that is added to the sample.

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Craig的团队鉴定的这种蛋白可以通过去除并分解肿瘤细胞表面的一种侵袭性酶而抑制肿瘤细胞的扩散。

The regulatory protein identified by Dr Craig's team inhibits the spread of cancer cells by removing and breaking down an invasive enzyme on the surface of cancer cells.

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These are molecules that exist naturally in cell membranes and are activated by certain enzymes and kinases generated by receptors.

这些分子存在于细胞膜表面,能被受体激活的某种酶或激酶所活化

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