News for Healthier Living

Study Identifies Why Some Breast Cancers Evade Treatment

Up to 20% of hormone receptor-positive breast cancers don't respond to antiestrogen therapies. A study led by researchers at UT Southwestern, published in The Journal of Clinical Investigation, suggests that a protein secreted by immune cells within these tumors causes them to grow even in the absence of estrogen.

February 5, 2026


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