Multidrug resistance (MDR) proteins are best known for helping cancer cells expel anticancer drugs - hence their name - but they also ferry compounds in and out of normal cells.

耐多药(mdr)蛋白最为人知的是有助于癌细胞排出抗癌药物(因而得名)，但是也会输送化合物出入正常的细胞。

youdao

Multidrug resistance (MDR) of cancer cells is a major cause of failure in chemotherapy.

肿瘤化疗失败的主要原因是多药耐药（ MDR）的产生。

youdao

BACKGROUND & OBJECTIVE: Multidrug resistance plays an important role in chemotherapy failure of bladder cancer, but its mechanism is unclear.

背景与目的：多药耐药在膀胱癌化疗失败中起着重要作用，关于其机制还不是十分清楚。

youdao

During the course of treatment, however, they often develop resistance to a whole class of drugs at once a phenomenon known as multidrug resistance, which makes the cancer hard to treat.

ECONOMIST: Cell biology: The secret of the vaults | The