Progesterone receptor (PR)

Progesterone receptor (PR) is a protein that allows a cell to respond to the actions of the hormone progesterone. After PR protein is made, it stays in a part of the cell called the nucleus. Progesterone hormone that enters the cell can change the behavior of the cell by activating PRs. Not all cells make …
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Estrogen receptor (ER)

The estrogen receptor (ER) is a protein found inside and on the surface of certain cells. It is a nuclear hormone receptor that is activated by the hormone estrogen. There are two main types of estrogen receptors: ERα (alpha) and ERβ (beta). When activated by estrogen, these receptors are involved in the transcription of specific …
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