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Index Androstenedione

Androstenedione, or 4-androstenedione (abbreviated as A4 or Δ4-dione), also known as androst-4-ene-3,17-dione, is an endogenous weak androgen steroid hormone and intermediate in the biosynthesis of estrone and of testosterone from dehydroepiandrosterone (DHEA). [1]

67 relations: Adrenal gland, Adrenarche, Adrenocorticotropic hormone, Anabolic steroid, Androgen, Androstane, Androstanedione, Androstenediol, Androsterone, Aromatase, Biological activity, Biosynthesis, Blood plasma, Controlled substance, Controlled Substances Act, Cortisol, CYP17A1, Dehydroepiandrosterone, Desiccated thyroid extract, Dietary supplement, Endogeny (biology), Estradiol, Estrogen, Estrogen receptor, Estrogen receptor alpha, Estrogen receptor beta, Estrone, Food and Drug Administration, Gonad, Gonadotropin, Granulosa cell, Hormone, Ketosteroid, Ligand (biochemistry), Liver, Major League Baseball, Mark McGwire, Mayo Clinic, Menopause, Metabolite, Natural product, Neurosteroid, Olympic Games, Oral administration, Ovary, Over-the-counter drug, Patrick Arnold, Precursor (chemistry), Pregnenolone, Reaction intermediate, ..., Sex steroid, Sports Illustrated, Steroid, Steroid hormone, Strength training, Testosterone, Testosterone (medication), Thailand, Theca, Thyroid hormones, United States Armed Forces, World Anti-Doping Agency, 17α-Hydroxypregnenolone, 17α-Hydroxyprogesterone, 17β-Hydroxysteroid dehydrogenase, 3β-Hydroxysteroid dehydrogenase, 5α-Reductase. Expand index (17 more) »

Adrenal gland

The adrenal glands (also known as suprarenal glands) are endocrine glands that produce a variety of hormones including adrenaline and the steroids aldosterone and cortisol.

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Adrenarche is an early sexual maturation stage in some higher primates that in humans typically occurs at around 10-12 years of age and is responsible for pubic hair, body odor, skin oiliness, and acne.

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Adrenocorticotropic hormone

Adrenocorticotropic hormone (ACTH, also adrenocorticotropin, corticotropin) is a polypeptide tropic hormone produced by and secreted by the anterior pituitary gland.

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Anabolic steroid

Anabolic steroids, also known more properly as anabolic–androgenic steroids (AAS), are steroidal androgens that include natural androgens like testosterone as well as synthetic androgens that are structurally related and have similar effects to testosterone.

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An androgen (from Greek andr-, the stem of the word meaning "man") is any natural or synthetic steroid hormone which regulates the development and maintenance of male characteristics in vertebrates by binding to androgen receptors.

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Androstane is a C19 steroid with a gonane core.

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Androstanediones are a pair of isomeric steroids which differ at the 5-position.

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Androstenediol, or 5-androstenediol (abbreviated as A5 or Δ5-diol), also known as androst-5-ene-3β,17β-diol, is an endogenous weak androgen and estrogen steroid hormone and intermediate in the biosynthesis of testosterone from dehydroepiandrosterone (DHEA).

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Androsterone, or 5α-androstan-3α-ol-17-one, is an endogenous steroid hormone, neurosteroid, and putative pheromone.

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Aromatase, also called estrogen synthetase or estrogen synthase, is an enzyme responsible for a key step in the biosynthesis of estrogens.

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Biological activity

In pharmacology, biological activity or pharmacological activity describes the beneficial or adverse effects of a drug on living matter.

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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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Blood plasma

Blood plasma is a yellowish coloured liquid component of blood that normally holds the blood cells in whole blood in suspension; this makes plasma the extracellular matrix of blood cells.

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Controlled substance

A controlled substance is generally a drug or chemical whose manufacture, possession, or use is regulated by a government, such as illicitly used drugs or prescription medications that are designated a Controlled Drug in the United Kingdom.

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Controlled Substances Act

The Controlled Substances Act (CSA) is the statute establishing federal U.S. drug policy under which the manufacture, importation, possession, use, and distribution of certain substances is regulated.

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Cortisol is a steroid hormone, in the glucocorticoid class of hormones.

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Cytochrome P450 17A1, also called steroid 17α-monooxygenase, 17α-hydroxylase, 17,20-lyase, or 17,20-desmolase, is an enzyme of the hydroxylase type that in humans is encoded by the CYP17A1 gene on chromosome 10.

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Dehydroepiandrosterone (DHEA), also known as androstenolone, is an endogenous steroid hormone.

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Desiccated thyroid extract

Desiccated thyroid or thyroid extract refers to porcine or bovine thyroid glands, dried and powdered for therapeutic use.

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Dietary supplement

A dietary supplement is a manufactured product intended to supplement the diet when taken by mouth as a pill, capsule, tablet, or liquid.

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Endogeny (biology)

Endogenous substances and processes are those that originate from within an organism, tissue, or cell.

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Estradiol (E2), also spelled oestradiol, is an estrogen steroid hormone and the major female sex hormone.

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Estrogen, or oestrogen, is the primary female sex hormone.

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Estrogen receptor

Estrogen receptors (ERs) are a group of proteins found inside cells.

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Estrogen receptor alpha

Estrogen receptor alpha (ERα), also known as NR3A1 (nuclear receptor subfamily 3, group A, member 1), is one of two main types of estrogen receptor, a nuclear receptor that is activated by the sex hormone estrogen.

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Estrogen receptor beta

Estrogen receptor beta (ER-β), also known as NR3A2 (nuclear receptor subfamily 3, group A, member 2), is one of two main types of estrogen receptor, a nuclear receptor which is activated by the sex hormone estrogen.

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Estrone (E1), also spelled oestrone, is a steroid, a weak estrogen, and a minor female sex hormone.

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Food and Drug Administration

The Food and Drug Administration (FDA or USFDA) is a federal agency of the United States Department of Health and Human Services, one of the United States federal executive departments.

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A gonad or sex gland or reproductive gland is a mixed gland that produces the gametes (sex cells) and sex hormones of an organism.

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Gonadotropins are glycoprotein polypeptide hormones secreted by gonadotrope cells of the anterior pituitary of vertebrates.

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Granulosa cell

A granulosa cell or follicular cell is a somatic cell of the sex cord that is closely associated with the developing female gamete (called an oocyte or egg) in the ovary of mammals.

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A hormone (from the Greek participle “ὁρμῶ”, "to set in motion, urge on") is any member of a class of signaling molecules produced by glands in multicellular organisms that are transported by the circulatory system to target distant organs to regulate physiology and behaviour.

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Androstenedione Androsterone Estrone A ketosteroid, or an oxosteroid, is a steroid in which a hydrogen atom has been replaced with a ketone (C.

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Ligand (biochemistry)

In biochemistry and pharmacology, a ligand is a substance that forms a complex with a biomolecule to serve a biological purpose.

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The liver, an organ only found in vertebrates, detoxifies various metabolites, synthesizes proteins, and produces biochemicals necessary for digestion.

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Major League Baseball

Major League Baseball (MLB) is a professional baseball organization, the oldest of the four major professional sports leagues in the United States and Canada.

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Mark McGwire

Mark David McGwire (born October 1, 1963), nicknamed Big Mac, is an American former professional baseball player and currently the bench coach for the San Diego Padres.

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Mayo Clinic

The Mayo Clinic is a nonprofit academic medical center based in Rochester, Minnesota focused on integrated clinical practice, education, and research.

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Menopause, also known as the climacteric, is the time in most women's lives when menstrual periods stop permanently, and they are no longer able to bear children.

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A metabolite is the intermediate end product of metabolism.

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Natural product

A natural product is a chemical compound or substance produced by a living organism—that is, found in nature.

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Neurosteroids, also known as neuroactive steroids, are endogenous or exogenous steroids that rapidly alter neuronal excitability through interaction with ligand-gated ion channels and other cell surface receptors.

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Olympic Games

The modern Olympic Games or Olympics (Jeux olympiques) are leading international sporting events featuring summer and winter sports competitions in which thousands of athletes from around the world participate in a variety of competitions.

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Oral administration

| name.

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The ovary is an organ found in the female reproductive system that produces an ovum.

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Over-the-counter drug

Over-the-counter (OTC) drugs are medicines sold directly to a consumer without a prescription from a healthcare professional, as opposed to prescription drugs, which may be sold only to consumers possessing a valid prescription.

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Patrick Arnold

Patrick Arnold is an American organic chemist known for introducing androstenedione, 1-androstenediol, and methylhexanamine into the dietary supplement market, and for creating the designer steroid tetrahydrogestrinone, also known as THG and "the clear".

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Precursor (chemistry)

In chemistry, a precursor is a compound that participates in a chemical reaction that produces another compound.

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Pregnenolone (P5), or pregn-5-en-3β-ol-20-one, is an endogenous steroid and precursor/metabolic intermediate in the biosynthesis of most of the steroid hormones, including the progestogens, androgens, estrogens, glucocorticoids, and mineralocorticoids.

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Reaction intermediate

A reaction intermediate or an intermediate is a molecular entity that is formed from the reactants (or preceding intermediates) and reacts further to give the directly observed products of a chemical reaction.

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Sex steroid

Sex steroids, also known as gonadocorticoids and gonadal steroids, are steroid hormones that interact with vertebrate androgen or estrogen receptors.

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Sports Illustrated

Sports Illustrated is an American sports magazine owned by Meredith Corporation.

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

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Steroid hormone

A steroid hormone is a steroid that acts as a hormone.

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Strength training

Strength training is a type of physical exercise specializing in the use of resistance to induce muscular contraction which builds the strength, anaerobic endurance, and size of skeletal muscles.

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Testosterone is the primary male sex hormone and an anabolic steroid.

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Testosterone (medication)

Testosterone is a medication and naturally occurring steroid hormone.

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Thailand, officially the Kingdom of Thailand and formerly known as Siam, is a unitary state at the center of the Southeast Asian Indochinese peninsula composed of 76 provinces.

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A theca (plural thecae) refers to a sheath or a covering.

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Thyroid hormones

Thyroid hormones are two hormones produced and released by the thyroid gland, namely triiodothyronine (T3) and thyroxine (T4).

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United States Armed Forces

The United States Armed Forces are the military forces of the United States of America.

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World Anti-Doping Agency

The World Anti-Doping Agency (WADA; Agence mondiale antidopage, AMA) is a foundation initiated by the International Olympic Committee based in Canada to promote, coordinate and monitor the fight against drugs in sports.

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17α-Hydroxypregnenolone is a pregnane (C21) steroid that is obtained by hydroxylation of pregnenolone at the C17α position.

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17α-Hydroxyprogesterone (17α-OHP), or hydroxyprogesterone (OHP), is an endogenous progestogen steroid hormone related to progesterone.

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17β-Hydroxysteroid dehydrogenase

17β-Hydroxysteroid dehydrogenases (17β-HSD, HSD17B), also 17-ketosteroid reductases (17-KSR), are a group of alcohol oxidoreductases which catalyze the reduction of 17-ketosteroids and the dehydrogenation of 17β-hydroxysteroids in steroidogenesis and steroid metabolism.

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3β-Hydroxysteroid dehydrogenase

3β-Hydroxysteroid dehydrogenase/Δ5-4 isomerase (3β-HSD) is an enzyme that catalyzes the biosynthesis of progesterone from pregnenolone, 17α-hydroxyprogesterone from 17α-hydroxypregnenolone, and androstenedione from dehydroepiandrosterone (DHEA) in the adrenal gland.

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5α-reductases, also known as 3-oxo-5α-steroid 4-dehydrogenases, are enzymes involved in steroid metabolism.

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Redirects here:

4-Androsten-3,17-dione, 4-Androstene-3,17-dione, 4-Androstenedione, 4-androsten-3,17-dione, 4-androstene-3,17-dione, 4-androstenedione, Androst-4-en-3,17-dione, Androst-4-ene-3,17-dione, Androstendione, Δ4-Androstenedione, Δ4-androstenedione.


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

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