Scientists Discover Echanism Behind Breast Cancer's Spread

Low oxygen conditions, which often persist inside tumours, are sufficient to initiate a molecular chain of events that transforms breast cancer cells from being rigid and stationery to mobile and invasive, finds scientists. Gregg Semenza, M.D., Ph.D., the C. Michael Armstrong Professor of Medicine at the Johns Hopkins University School of Medicine, said that high levels of RhoA and ROCK1 were known to worsen outcomes for breast cancer patients by endowing cancer ...

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