ER-α36 is a variant of the estrogen receptor alpha (ERα) protein. It is a truncated form of the full-length ERα protein.
ER-α36 is overexpressed in certain types of breast cancer, including triple-negative breast cancer (TNBC) and tamoxifen-resistant breast cancer. ER-α36 has been found to promote cell proliferation, migration, and invasion in breast cancer cells, contributing to tumor progression and metastasis.
The expression of ERα is a significant factor in the prognosis of various cancers, particularly in breast and endometrial cancers, where it is a key target for therapy. The relationship between ERα expression and prognosis can vary widely among different cancer types, and ongoing research is essential to fully understand its role in cancer biology and treatment response.
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