39 relations: Agonist, Allopregnanolone, Allosteric modulator, Anesthetic, Anxiolytic, Biological activity, Biosynthesis, Concentration, EC50, Endogeny (biology), Enzyme, Epipregnanolone, GABAA receptor, GABAA-rho receptor, Isopregnanolone, Ligand (biochemistry), Mechanism of action, Metabolite, Molar concentration, Neurosteroid, Nociception, Oxytocin receptor, Pregnancy, Pregnane X receptor, Pregnanolone, Progesterone, Progesterone receptor, Progestogen, Reaction intermediate, Receptor (biochemistry), Receptor antagonist, Rhesus macaque, Tocolytic, Uterine contraction, Uterus, 3α-Dihydroprogesterone, 3β-Dihydroprogesterone, 5α-Dihydroprogesterone, 5β-Reductase.
Agonist
An agonist is a chemical that binds to a receptor and activates the receptor to produce a biological response.
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Allopregnanolone
Allopregnanolone, also known as 5α-pregnan-3α-ol-20-one or 3α,5α-tetrahydroprogesterone (3α,5α-THP), as well as brexanolone, is an endogenous inhibitory pregnane neurosteroid.
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Allosteric modulator
In biochemistry and pharmacology, an allosteric modulator (allo- from the Greek meaning "other") is a substance which indirectly influences (modulates) the effects of a primary ligand that directly activates or deactivates the function of a target protein.
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Anesthetic
An anesthetic (or anaesthetic) is a drug to prevent pain during surgery, completely blocking any feeling as opposed to an analgesic.
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Anxiolytic
An anxiolytic (also antipanic or antianxiety agent) is a medication or other intervention that inhibits anxiety.
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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
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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Concentration
In chemistry, concentration is the abundance of a constituent divided by the total volume of a mixture.
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EC50
Half maximal effective concentration (EC50) refers to the concentration of a drug, antibody or toxicant which induces a response halfway between the baseline and maximum after a specified exposure time.
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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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Enzyme
Enzymes are macromolecular biological catalysts.
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Epipregnanolone
Epipregnanolone, also known as 3β-hydroxy-5β-pregnan-20-one, 3β,5β-tetrahydroprogesterone, or 3β,5β-THP, is an endogenous neurosteroid.
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GABAA receptor
The GABAA receptor (GABAAR) is an ionotropic receptor and ligand-gated ion channel.
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GABAA-rho receptor
The GABAA-rho receptor (previously known as the GABAC receptor) is a subclass of GABAA receptors composed entirely of rho (ρ) subunits.
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Isopregnanolone
Isopregnanolone, also known as isoallopregnanolone and epiallopregnanolone, as well as sepranolone, and as 3β-hydroxy-5α-pregnan-20-one or 3β,5α-tetrahydroprogesterone (3β,5α-THP), is an endogenous neurosteroid and a natural 3β-epimer of allopregnanolone.
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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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Mechanism of action
In pharmacology, the term mechanism of action (MOA) refers to the specific biochemical interaction through which a drug substance produces its pharmacological effect.
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Metabolite
A metabolite is the intermediate end product of metabolism.
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Molar concentration
Molar concentration (also called molarity, amount concentration or substance concentration) is a measure of the concentration of a chemical species, in particular of a solute in a solution, in terms of amount of substance per unit volume of solution.
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Neurosteroid
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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Nociception
Nociception (also nocioception or nociperception, from Latin nocere 'to harm or hurt') is the sensory nervous system's response to certain harmful or potentially harmful stimuli.
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Oxytocin receptor
The oxytocin receptor, also known as OXTR, is a protein which functions as receptor for the hormone and neurotransmitter oxytocin.
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Pregnancy
Pregnancy, also known as gestation, is the time during which one or more offspring develops inside a woman.
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Pregnane X receptor
In the field of molecular biology, the pregnane X receptor (PXR), also known as the steroid and xenobiotic sensing nuclear receptor (SXR) or nuclear receptor subfamily 1, group I, member 2 (NR1I2) is a protein that in humans is encoded by the NR1I2 (nuclear Receptor subfamily 1, group I, member 2) gene.
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Pregnanolone
Pregnanolone, also known as eltanolone, is an endogenous neurosteroid that is biosynthesized from progesterone.
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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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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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Receptor (biochemistry)
In biochemistry and pharmacology, a receptor is a protein molecule that receives chemical signals from outside a cell.
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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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Rhesus macaque
The rhesus macaque (Macaca mulatta) is one of the best-known species of Old World monkeys.
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Tocolytic
Tocolytics (also called anti-contraction medications or labor suppressants) are medications used to suppress premature labor (from the Greek tokos, childbirth, and lytic, capable of dissolving).
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Uterine contraction
A uterine contraction is a muscle contraction of the uterine smooth muscle.
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Uterus
The uterus (from Latin "uterus", plural uteri) or womb is a major female hormone-responsive secondary sex organ of the reproductive system in humans and most other mammals.
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3α-Dihydroprogesterone
3α-Dihydroprogesterone (3α-DHP), also known as 3α-hydroxyprogesterone, as well as pregn-4-en-3α-ol-20-one, is an endogenous neurosteroid.
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3β-Dihydroprogesterone
3β-Dihydroprogesterone (3β-DHP), also known as 3β-hydroxyprogesterone, or pregn-4-en-3β-ol-20-one (4-pregnenolone, δ4-pregnenolone), is an endogenous steroid.
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5α-Dihydroprogesterone
5α-Dihydroprogesterone (5α-DHP), also known as allopregnanedione, as well as 5α-pregnane-3,20-dione, is an endogenous progestogen and neurosteroid that is synthesized from progesterone.
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5β-Reductase
5β-Reductase, or Δ4-3-oxosteroid 5β-reductase (3-oxo-Δ4-steroid 5β-reductase, androstenedione 5β-reductase, cholestenone 5β-reductase, cortisone 5β-reductase, cortisone Δ4-5β-reductase, steroid 5β-reductase, testosterone 5β-reductase, Δ4-3-ketosteroid 5β-reductase, Δ4-5β-reductase, Δ4-hydrogenase, 4,5β-dihydrocortisone:NADP+ Δ4-oxidoreductase, 3-oxo-5β-steroid:NADP+ Δ4-oxidoreductase) is an enzyme with systematic name 5β-cholestan-3-one:NADP+ 4,5-oxidoreductase.
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Redirects here:
5β-Pregnan-3,20-dione, 5β-Pregnane-3,20-dione, 5β-Pregnanedione, 5β-dihydroprogesterone, 5β-pregnan-3,20-dione, 5β-pregnane-3,20-dione, 5β-pregnanedione.
References
[1] https://en.wikipedia.org/wiki/5β-Dihydroprogesterone