Conclusion: It was suggested that MMP-2 expression is increased by paracrine stimulation mediated by soluble factors originated from oral CAFs and MMP-9 expression requires direct cell-cell contact.

结论：MMP - 2表达增加可能受到源自口腔癌相关成纤维细胞可溶性因子的旁分泌介导，而MMP - 9表达可能需要口腔癌细胞与癌相关成纤维细胞的直接接触。

youdao

We think this is because we have more zinc and copper in contact with the acid in the tub cell than in the lemon cell.

我们认为这是因为与柠檬电池相比在盆电池中有更大面积的锌和铜与酸接触。

youdao

Each nerve cell sends out an axon, a long fiber, to make contact with a target cell and build connections.

每个神经细胞放出一条神经轴突，用来和目标细胞进行连接。

youdao

A. wrongly accused of being a double agent and held for three years in total isolation (no reading material, no news, no human contact except with interrogators) in a closet-size concrete cell near Williamsburg, Virginia, made chess sets from threads and a calendar from lint (only to have them discovered and swept away).

NEWYORKER: Hellhole