Chemo drug may promote metastasis

Oncologists may know little about the Toll-like receptor-4 (TLR4) protein, but that could soon change, argues a medical researcher.

Sophia Ran, a professor of microbiology, immunology and cell biology, is the author of a review providing early evidence that TLR4 may play a sinister role when it is expressed by breast cancer cells and chemotherapy drug paclitaxel is added into the mix.

“TLR4 is

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