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The ERT has been suggested as a predictor for the level of success of the use of endocrine therapy in cancer treatment. Many of the endocrine therapies for breast cancer treatments involve the use of selective estrogen receptor modulators (SERMs). SERMs, such as tamoxifen, are ER antagonists in breast tissue. Estrogen receptor tests are used in ...
Genetic polymorphisms in the gene encoding the ERα have been associated with breast cancer in women, gynecomastia in men [23] [24] and dysmenorrhea. [25] In patients with breast cancer, mutations in the gene encoding ERα (ESR1) have been associated with resistance to endocrine therapy, especially aromatase inhibitors. [26]
The Oncotype DX® breast cancer assay is one such test used to predict the likelihood of breast cancer recurrence. This test is intended for women with early-stage (Stage I or II), node-negative, estrogen receptor -positive (ER+) invasive breast cancer who will be treated with hormone therapy .
The researchers said their findings, presented at the 13th European Breast Cancer Conference, could “form the basis of blood testing for people with a genetic predisposition or a family history ...
There are two different forms of the estrogen receptor, usually referred to as α and β, each encoded by a separate gene (ESR1 and ESR2, respectively).Hormone-activated estrogen receptors form dimers, and, since the two forms are coexpressed in many cell types, the receptors may form ERα (αα) or ERβ (ββ) homodimers or ERαβ (αβ) heterodimers. [3]
[24] [25] ERβ is also highly expressed in normal breast epithelium, although its expression declines with cancer progression. [26] ERβ is expressed in all subtypes of breast cancer. [ 27 ] Controversy regarding ERβ protein expression has hindered study of ERβ, but highly sensitive monoclonal antibodies have been produced and well-validated ...
Tumor markers can be molecules that are produced in higher amounts by cancer cells than normal cells, but can also be produced by other cells from a reaction with the cancer. [2] The markers can't be used to give patients a diagnosis but can be compared with the result of other tests like biopsy or imaging. [2]
BCAR1 is a ubiquitously expressed adaptor molecule originally identified as the major substrate of v-Src and v-Crk. p130Cas/BCAR1 belongs to the Cas family of adaptor proteins and can act as a docking protein for several signalling partners. [7]
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