Clinical significance of estrogen receptor phosphorylation.

Abstract

Multiple sites of phosphorylation on human estrogen receptor α (ERα) have been identified by a variety of methodologies. Now with the emerging availability of phospho-site-specific antibodies to ERα, the relevance of phosphorylation of ERα in human breast cancer in vivo is being explored. Multiple phosphorylated sites in ERα can be detected in multiple breast tumor biopsy samples, providing evidence of their relevance to human breast cancer in vivo. Published data suggest that the detection in primary breast tumors of phosphorylation at some sites in ERα is associated with a better clinical outcome while phosphorylation at other sites is associated with a poorer clinical outcome most often in patients who have been treated with tamoxifen. This suggests the hypothesis that phospho-profiling of ERα in human breast tumors to establish an 'ERα phosphorylation code', may be a more accurate marker of prognosis and/or response to endocrine therapy in human breast cancer.

DOI: 10.1677/ERC-10-0070
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@article{Murphy2011ClinicalSO, title={Clinical significance of estrogen receptor phosphorylation.}, author={Leigh C . Murphy and Srinivas V Seekallu and Peter Watson}, journal={Endocrine-related cancer}, year={2011}, volume={18 1}, pages={R1-14} }