Thermo Fisher Scientific Estrogen Receptor, alpha (Marker of Estrogen Dependence) Recombinant Rabbit Monoclonal Antibody (ESR1/6811R)

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Target Information

Estrogen Receptors (ER) are members of the steroid/thyroid hormone receptor superfamily of nuclear receptors. The estrogen receptor is a ligand-activated transcription factor that, when bound to estrogen hormone, induces a conformational change allowing dimerization and binding to estrogen response elements (ERE) in DNA. When bound to EREs, ER can positively or negatively regulate gene transcription through the recruitment of coactivator or corepressor proteins.

There are two different forms of the estrogen receptor, alpha and beta, encoded by separate genes (ESR1 and ESR2, respectively). Due to alternative RNA splicing, at least four estrogen receptor-alpha isoforms are known to exist (Isoform 1: 66 kDa, Isoform 2: 53 kDa, Isoform 3: 47 kDa, Isoform 4: 35 kDa). Estrogen receptors are widely expressed in different tissue types and are essential for sexual development and reproductive function. They also play roles in other tissues such as bone and are involved in pathological processes including breast cancer, endometrial cancer, and osteoporosis.

For Research Use Only. Not for use in diagnostic procedures. Not for resale without express authorization.

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