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  2. Progesterone receptor - Wikipedia

    en.wikipedia.org/wiki/Progesterone_receptor

    The progesterone receptor (PR), also known as NR3C3 or nuclear receptor subfamily 3, group C, member 3, is a protein found inside cells. It is activated by the steroid hormone progesterone. In humans, PR is encoded by a single PGR gene residing on chromosome 11q22, [5] [6] [7] it has two isoforms, PR-A and PR-B, that differ in their molecular ...

  3. Steroid hormone receptor - Wikipedia

    en.wikipedia.org/wiki/Steroid_hormone_receptor

    A steroid hormone receptor is a protein molecule located either within the cell cytoplasm or nucleus that specifically binds to steroid hormones, such as estrogen, progesterone, and testosterone, leading to the activation or suppression of gene expression and subsequent cellular responses. This interaction is crucial for mediating the ...

  4. Progesterone - Wikipedia

    en.wikipedia.org/wiki/Progesterone

    Progesterone (/ p r oʊ ˈ dʒ ɛ s t ər oʊ n / ⓘ; P4) is an endogenous steroid and progestogen sex hormone involved in the menstrual cycle, pregnancy, and embryogenesis of humans and other species. [1] [13] It belongs to a group of steroid hormones called the progestogens [13] and is the major progestogen in the body. Progesterone has a ...

  5. Progestogen - Wikipedia

    en.wikipedia.org/wiki/Progestogen

    Progesterone is the major progestogen produced by the corpus luteum of the ovary in all mammalian species. Luteal cells possess the necessary enzymes to convert cholesterol to pregnenolone, which is subsequently converted into progesterone. Progesterone is highest in the diestrus phase of the estrous cycle.

  6. Pharmacokinetics of progesterone - Wikipedia

    en.wikipedia.org/wiki/Pharmacokinetics_of...

    Progesterone is used as part of hormone replacement therapy in people who have low progesterone levels, and for other reasons. For purposes of comparison with normal physiological circumstances, luteal phase levels of progesterone are 4 to 30 ng/mL, while follicular phase levels of progesterone are 0.02 to 0.9 ng/mL, menopausal levels are 0.03 to 0.3 ng/mL, and levels of progesterone in men ...

  7. Nuclear receptor - Wikipedia

    en.wikipedia.org/wiki/Nuclear_receptor

    These ligands are referred to as antagonists. An example of antagonistic nuclear receptor drug is mifepristone which binds to the glucocorticoid and progesterone receptors and therefore blocks the activity of the endogenous hormones cortisol and progesterone respectively. Antagonist ligands work by inducing a conformation of the receptor which ...

  8. List of progestogens - Wikipedia

    en.wikipedia.org/wiki/List_of_progestogens

    Progesterone. Steroid ring system. This is a list of progestogens that are or that have been used in clinical or veterinary medicine. They are steroids and include derivatives of progesterone and testosterone.

  9. List of progestogens available in the United States - Wikipedia

    en.wikipedia.org/wiki/List_of_progestogens...

    This is a list of progestogens (progesterone and progestins) and formulations that are approved by the FDA Tooltip Food and Drug Administration in the United States. Progestogens are used as hormonal contraceptives, in hormone replacement therapy for menopausal symptoms, and in the treatment of gynecological disorders.

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