hormone

Progesterone receptor (PR)

What is a progesterone receptor? 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 the nucleus of the cell. Progesterone hormone that enters the cell can change the behavior of the cell by activating the PR. Not …
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Estrogen receptor (ER)

What is an estrogen receptor? Estrogen receptor (ER) is a specialized type of protein that allows a cell to respond to the hormone estrogen. After the ER protein is made, it stays in the nucleus of the cell. The estrogen hormone that enters the cell can change the behavior of the cell by activating the …
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