WNT4 mediates estrogen receptor signaling and endocrine resistance in invasive lobular carcinoma cell lines

Abstract excerpt

BACKGROUND: Invasive lobular carcinoma (ILC) of the breast typically presents with clinical biomarkers consistent with a favorable response to endocrine therapies, and over 90 % of ILC cases express the estrogen receptor (ER). However, a subset of ILC cases may be resistant to endocrine therapies, suggesting that ER biology is unique in ILC. Using ILC cell lines, we previously demonstrated that ER regulates a...

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