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Antiprogestogen

Index Antiprogestogen

Antiprogestogens, or antiprogestins, also known as progesterone antagonists or progesterone blockers, are a class of drugs which prevent progestogens like progesterone from mediating their biological effects in the body. [1]

27 relations: Abortifacient, Aglepristone, Antiandrogen, Antiestrogen, Antigonadotropin, Biosynthesis, Breast cancer, Drug, Emergency contraception, Function (biology), Gemeprost, Lilopristone, Medical abortion, Mifepristone, Onapristone, Partial agonist, Progesterone, Progesterone receptor, Progestogen, Prostaglandin, Receptor antagonist, Selective progesterone receptor modulator, Sex-hormonal agent, Steroid, Steroidogenesis inhibitor, Ulipristal acetate, Uterine fibroid.

Abortifacient

An abortifacient ("that which will cause a miscarriage" from Latin: abortus "miscarriage" and faciens "making") is a substance that induces abortion.

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Aglepristone

Aglepristone (brand name Alizine; former developmental code names RU-46534, RU-534) is a synthetic, steroidal antiprogestogen related to mifepristone which is marketed by Virbac in several European countries for use in veterinary medicine.

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Antiandrogen

Antiandrogens, also known as androgen antagonists or testosterone blockers, are a class of drugs that prevent androgens like testosterone and dihydrotestosterone (DHT) from mediating their biological effects in the body.

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Antiestrogen

Antiestrogens, also known as estrogen antagonists or estrogen blockers, are a class of drugs which prevent estrogens like estradiol from mediating their biological effects in the body.

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Antigonadotropin

An antigonadotropin is a drug which suppresses the activity and/or downstream effects of one or both of the gonadotropins, follicle-stimulating hormone (FSH) and luteinizing hormone (LH).

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Biosynthesis

Biosynthesis (also called anabolism) is a multi-step, enzyme-catalyzed process where substrates are converted into more complex products in living organisms.

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Breast cancer

Breast cancer is cancer that develops from breast tissue.

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Drug

A drug is any substance (other than food that provides nutritional support) that, when inhaled, injected, smoked, consumed, absorbed via a patch on the skin, or dissolved under the tongue causes a temporary physiological (and often psychological) change in the body.

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Emergency contraception

Emergency contraception (EC), or emergency postcoital contraception, are birth control measures that may be used after sexual intercourse to prevent pregnancy.

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Function (biology)

In biology, function has been defined in many ways.

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Gemeprost

Gemeprost (16, 16-dimethyl-trans-delta2 PGE1 methyl ester) is an analogue of prostaglandin E1.

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Lilopristone

Lilopristone (INN) (developmental code names ZK-98734, ZK-734) is a synthetic, steroidal antiprogestogen with additional antiglucocorticoid activity which was developed by Schering and was patented in 1985.

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Medical abortion

A medical abortion is a type of non-surgical abortion in which medication is used to bring about abortion.

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Mifepristone

Mifepristone, also known as RU-486, is a medication typically used in combination with misoprostol, to bring about an abortion.

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Onapristone

Onapristone (INN) (developmental code names ZK-89299, ZK-299) is a synthetic, steroidal antiprogestogen with additional antiglucocorticoid activity which was developed by Schering and described in 1984 but was never marketed.

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Partial agonist

In pharmacology, partial agonists are drugs that bind to and activate a given receptor, but have only partial efficacy at the receptor relative to a full agonist.

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Progesterone

Progesterone (P4) is an endogenous steroid and progestogen sex hormone involved in the menstrual cycle, pregnancy, and embryogenesis of humans and other species.

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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.

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Progestogen

Progestogens, also sometimes spelled progestagens or gestagens, are a class of steroid hormones that bind to and activate the progesterone receptor (PR).

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Prostaglandin

The prostaglandins (PG) are a group of physiologically active lipid compounds having diverse hormone-like effects in animals.

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Receptor antagonist

A receptor antagonist is a type of receptor ligand or drug that blocks or dampens a biological response by binding to and blocking a receptor rather than activating it like an agonist.

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Selective progesterone receptor modulator

A selective progesterone receptor modulator (SPRM) is an agent that acts on the progesterone receptor.

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Sex-hormonal agent

A sex-hormonal agent, also known as a sex-hormone receptor modulator, is a type of hormonal agent which specifically modulates the effects of sex hormones and of their biological targets, the sex hormone receptors.

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Steroid

A steroid is a biologically active organic compound with four rings arranged in a specific molecular configuration.

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Steroidogenesis inhibitor

A steroidogenesis inhibitor, also known as a steroid biosynthesis inhibitor, is a type of drug which inhibits one or more of the enzymes that are involved in the process of steroidogenesis, the biosynthesis of endogenous steroids and steroid hormones.

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Ulipristal acetate

Ulipristal acetate, sold under the brand name Ella among others, is a medication used for emergency birth control and uterine fibroids.

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Uterine fibroid

Uterine fibroids, also known as uterine leiomyomas or fibroids, are benign smooth muscle tumors of the uterus.

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References

[1] https://en.wikipedia.org/wiki/Antiprogestogen

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