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Identification
- Summary
Prasterone is a steroid formulated as a vaginal insert indicated for the treatment of moderate to severe dyspareunia associated with menopausal vulvar and vaginal atrophy.
- Brand Names
- Intrarosa
- Generic Name
- Prasterone
- DrugBank Accession Number
- DB01708
- Background
Prasterone, also known as dehydroepiandrosterone (DHEA) is a major C19 steroid produced by the adrenal cortex. It is also produced in small quantities in the testis and the ovary. Dehydroepiandrosterone (DHEA) can be converted to testosterone; androstenedione; estradiol; and estrone. Most of DHEA is sulfated (dehydroepiandrosterone sulfate) before secretion.
In the United States, DHEA or DHEAS have been advertised with claims that they may be beneficial for a wide variety of ailments. DHEA and DHEAS are readily available in the United States, where they are marketed as over-the-counter dietary supplements. In November 2016, DHEA was approved (as Intrarosa) to treat women experiencing moderate to severe pain during sexual intercourse (dyspareunia), a symptom of vulvar and vaginal atrophy (VVA), due to menopause.
In Canada, a prescription is required to buy DHEA.
- Type
- Small Molecule
- Groups
- Approved, Investigational, Nutraceutical
- Structure
Structure for Prasterone (DB01708)
- Weight
- Average: 288.4244
Monoisotopic: 288.20893014 - Chemical Formula
- C19H28O2
- Synonyms
- 3-beta-hydroxy-5-androsten-17-one
- 3beta-hydroxyandrost-5-en-17-one
- 3β-hydroxyandrost-5-en-17-one
- Dehydroandrosterone
- Dehydroepiandrosterone
- Dehydroisoandrosterone
- DHEA
- Prasterone
Pharmacology
- Indication
DHEA is taken as a supplement for a variety of unsubstantiated indications. The following indications have shown promise and are backed up by some scientific evidence: schizophrenia (DHEA may be more effective in women than men); improving the appearance of older people’s skin (taking DHEA by mouth seems to increase skin thickness and moisture, and decrease facial “age spots” in elderly men and women); improving ability to achieve an erection in men with sexual dysfunction. Additionally, DHEA has shown promise in improving symptoms of lupus (SLE). Taking DHEA by mouth along with conventional treatment may help reduce the number of times symptoms flare up and may allow a reduction in the dose of prescription drugs needed. DHEA may also help SLE symptoms such as muscle ache and mouth ulcers. DHEA also seems to strengthen bones in SLE patients being treated with high-dose steroids (corticosteroids). DHEA also shows promise in the treatment of osteoporosis. Taking DHEA by mouth daily seems to improve bone mineral density (BMD) in older women and men with osteoporosis or osteopenia (pre-osteoporosis). DHEA may also increase BMD in young women with the eating disorder called anorexia nervosa. DHEA is often prescribed in India for the induction of ovulation to improve chances of pregnancy.
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Indication Type Indication Combined Product Details Approval Level Age Group Patient Characteristics Dose Form Treatment of Moderate dyspareunia •••••••••••• •••••• Treatment of Severe dyspareunia •••••••••••• •••••• - Contraindications & Blackbox Warnings
Prevent Adverse Drug Events TodayTap into our Clinical API for life-saving information on contraindications & blackbox warnings, population restrictions, harmful risks, & more.Avoid life-threatening adverse drug events with our Clinical API- Pharmacodynamics
DHEA is naturally produced from cholesterol through two cytochrome P450 enzymes. Cholesterol is converted to pregnenolone by the enzyme P450 scc (side chain cleavage); then another enzyme, CYP17A1, converts pregnenolone to 17α-Hydroxypregnenolone and then to DHEA. DHEA is increased by exercise and calorie restriction. Some theorize that the increase in endogenous DHEA brought about by calorie restriction is partially responsible for the longer life expectancy known to be associated with calorie restriction.
- Mechanism of action
DHEA can be understood as a prohormone for the sex steroids. DHEAS may be viewed as buffer and reservoir. As most DHEA is produced by the zona reticularis of the adrenal cortex, it is argued that there is a role in the immune and stress response. DHEAS/DHEA are useful to detect excess adrenal activity as seen in adrenal cancer or hyperplasia, including certain forms of congenital adrenal hyperplasia as it is produced nearly entirely by the adrenal glands. Women with polycystic ovary syndrome tend to have elevated levels of DHEAS.
Target Actions Organism AGlucose-6-phosphate 1-dehydrogenase inhibitorHumans UEstrogen receptor binderHumans UEstrogen receptor beta activatorHumans UGABA(A) Receptor antagonistHumans UNMDA receptor agonistHumans UAndrogen receptor agonistHumans UPeroxisome proliferator-activated receptor alpha activatorHumans USigma non-opioid intracellular receptor 1 agonistHumans UNuclear receptor subfamily 1 group I member 2 activatorHumans UNuclear receptor subfamily 1 group I member 3 activatorHumans - Absorption
Following a 50-mg DHEA PO dose in cynomolgus monkeys, systemic availability was only 3.1 +/- 0.4%. [PMID: 12970301]
- Volume of distribution
Not Available
- Protein binding
Not Available
- Metabolism
Hepatic. As shown by their high conversion ratios (in a study involving cynomolgus monkeys), the major circulating metabolites of DHEA are DHEA-S, androsterone glucuronide, and androstane-3 alpha,17 beta-diol-glucuronide. [PMID: 12970301]
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- Route of elimination
Not Available
- Half-life
12 hours
- Clearance
Not Available
- Adverse Effects
Improve decision support & research outcomesWith structured adverse effects data, including: blackbox warnings, adverse reactions, warning & precautions, & incidence rates. View sample adverse effects data in our new Data Library!Improve decision support & research outcomes with our structured adverse effects data.- Toxicity
Acute oral toxicity (LD50): >10000 mg/kg [Rat]. Lowest Published Toxic Dose (TDL) [Man] - Route: Oral; Dose: 10 mg/kg/2W intermittent.
- Pathways
- Not Available
- Pharmacogenomic Effects/ADRs
- Not Available
Interactions
- Drug Interactions
- This information should not be interpreted without the help of a healthcare provider. If you believe you are experiencing an interaction, contact a healthcare provider immediately. The absence of an interaction does not necessarily mean no interactions exist.
Drug Interaction Integrate drug-drug
interactions in your softwareAbametapir The serum concentration of Prasterone can be increased when it is combined with Abametapir. Apalutamide The serum concentration of Prasterone can be decreased when it is combined with Apalutamide. Avanafil The serum concentration of Avanafil can be increased when it is combined with Prasterone. Bosutinib The serum concentration of Bosutinib can be increased when it is combined with Prasterone. Capmatinib The serum concentration of Capmatinib can be increased when it is combined with Prasterone. - Food Interactions
- No interactions found.
Products
Drug product information from 10+ global regionsOur datasets provide approved product information including:dosage, form, labeller, route of administration, and marketing period.Access drug product information from over 10 global regions.- International/Other Brands
- Biolaif / Fidelin (Paladin) / OVIGYN-D (Alembic Pharmaceuicals Ltd)
- Brand Name Prescription Products
Name Dosage Strength Route Labeller Marketing Start Marketing End Region Image Intrarosa 6.5 mg Endoceutics Sa 2020-12-22 Not applicable EU 
Intrarosa Insert 6.5 mg/1 Vaginal AMAG Pharmaceuticals, Inc. 2017-07-24 Not applicable US 
Intrarosa Insert 6.5 mg/1 Vaginal Millicent US, Inc. 2020-11-01 Not applicable US Intrarosa Insert 6.5 mg/1 Vaginal Endoceutics Sa 2017-07-19 2017-07-19 US Intrarosa Insert 6.5 mg/1 Vaginal Millicent US, Inc. 2020-11-01 Not applicable US - Unapproved/Other Products
Name Ingredients Dosage Route Labeller Marketing Start Marketing End Region Image Prastera Prasterone (200 mg/1) + Ibuprofen (400 mg/1) Kit Oral Health Science Funding, Llc 2014-04-04 Not applicable US
Categories
- ATC Codes
- G03EA03 — Prasterone and estrogen
- G03EA — Androgens and estrogens
- G03E — ANDROGENS AND FEMALE SEX HORMONES IN COMBINATION
- G03 — SEX HORMONES AND MODULATORS OF THE GENITAL SYSTEM
- G — GENITO URINARY SYSTEM AND SEX HORMONES
- G03XX — Other sex hormones and modulators of the genital system
- G03X — OTHER SEX HORMONES AND MODULATORS OF THE GENITAL SYSTEM
- G03 — SEX HORMONES AND MODULATORS OF THE GENITAL SYSTEM
- G — GENITO URINARY SYSTEM AND SEX HORMONES
- Drug Categories
- 17-Ketosteroids
- Adjuvants, Immunologic
- Adrenal Cortex Hormones
- Alimentary Tract and Metabolism
- Anabolic Agents for Systemic Use
- Anabolic Steroids
- Androgens and Estrogens
- Androstan Derivatives
- Androstanes
- Androstenes
- Androstenols
- BCRP/ABCG2 Substrates
- Cytochrome P-450 CYP3A Inhibitors
- Cytochrome P-450 CYP3A Substrates
- Cytochrome P-450 CYP3A4 Substrates
- Cytochrome P-450 CYP3A4 Substrates (strength unknown)
- Cytochrome P-450 CYP3A7 Inhibitors
- Cytochrome P-450 CYP3A7 Inhibitors (strength unknown)
- Cytochrome P-450 CYP3A7 Substrates
- Cytochrome P-450 Enzyme Inhibitors
- Cytochrome P-450 Substrates
- Fused-Ring Compounds
- Genito Urinary System and Sex Hormones
- Gonadal Hormones
- Gonadal Steroid Hormones
- Hormones
- Hormones, Hormone Substitutes, and Hormone Antagonists
- Immunologic Factors
- Ketosteroids
- OATP1B1/SLCO1B1 Substrates
- OATP1B3 substrates
- OATP2B1/SLCO2B1 substrates
- Sex Hormones and Modulators of the Genital System
- Steroids
- Testosterone Congeners
- Chemical TaxonomyProvided by Classyfire
- Description
- This compound belongs to the class of organic compounds known as androgens and derivatives. These are 3-hydroxylated C19 steroid hormones. They are known to favor the development of masculine characteristics. They also show profound effects on scalp and body hair in humans.
- Kingdom
- Organic compounds
- Super Class
- Lipids and lipid-like molecules
- Class
- Steroids and steroid derivatives
- Sub Class
- Androstane steroids
- Direct Parent
- Androgens and derivatives
- Alternative Parents
- 3-beta-hydroxysteroids / 3-beta-hydroxy delta-5-steroids / 17-oxosteroids / Delta-5-steroids / Secondary alcohols / Ketones / Cyclic alcohols and derivatives / Organic oxides / Hydrocarbon derivatives
- Substituents
- 17-oxosteroid / 3-beta-hydroxy-delta-5-steroid / 3-beta-hydroxysteroid / 3-hydroxy-delta-5-steroid / 3-hydroxysteroid / Alcohol / Aliphatic homopolycyclic compound / Androgen-skeleton / Carbonyl group / Cyclic alcohol
- Molecular Framework
- Aliphatic homopolycyclic compounds
- External Descriptors
- 3beta-hydroxy steroid, 17-oxo steroid, androstanoid (CHEBI:28689) / C19 steroids (androgens) and derivatives, Androstane and derivatives, Androgens (C01227) / C19 steroids (androgens) and derivatives (LMST02020021)
- Affected organisms
- Humans and other mammals
Chemical Identifiers
- UNII
- 459AG36T1B
- CAS number
- 53-43-0
- InChI Key
- FMGSKLZLMKYGDP-USOAJAOKSA-N
- InChI
- InChI=1S/C19H28O2/c1-18-9-7-13(20)11-12(18)3-4-14-15-5-6-17(21)19(15,2)10-8-16(14)18/h3,13-16,20H,4-11H2,1-2H3/t13-,14-,15-,16-,18-,19-/m0/s1
- IUPAC Name
- (3aS,3bR,7S,9aR,9bS,11aS)-7-hydroxy-9a,11a-dimethyl-1H,2H,3H,3aH,3bH,4H,6H,7H,8H,9H,9aH,9bH,10H,11H,11aH-cyclopenta[a]phenanthren-1-one
- SMILES
- [H][C@@]12CCC(=O)[C@@]1(C)CC[C@@]1([H])[C@@]2([H])CC=C2C[C@@]([H])(O)CC[C@]12C
References
- Synthesis Reference
Isao Sugimoto, Yoko Sawase, "Stable preparation of water-soluble salts of dehydroepiandrosterone sulfate for parenteral administration." U.S. Patent US4061744, issued January, 1977.
US4061744- General References
- Baker WL, Karan S, Kenny AM: Effect of dehydroepiandrosterone on muscle strength and physical function in older adults: a systematic review. J Am Geriatr Soc. 2011 Jun;59(6):997-1002. doi: 10.1111/j.1532-5415.2011.03410.x. Epub 2011 Jun 7. [Article]
- Alkatib AA, Cosma M, Elamin MB, Erickson D, Swiglo BA, Erwin PJ, Montori VM: A systematic review and meta-analysis of randomized placebo-controlled trials of DHEA treatment effects on quality of life in women with adrenal insufficiency. J Clin Endocrinol Metab. 2009 Oct;94(10):3676-81. doi: 10.1210/jc.2009-0672. Epub 2009 Sep 22. [Article]
- Arlt W: Dehydroepiandrosterone and ageing. Best Pract Res Clin Endocrinol Metab. 2004 Sep;18(3):363-80. [Article]
- Wallace MB, Lim J, Cutler A, Bucci L: Effects of dehydroepiandrosterone vs androstenedione supplementation in men. Med Sci Sports Exerc. 1999 Dec;31(12):1788-92. [Article]
- Grimley Evans J, Malouf R, Huppert F, van Niekerk JK: Dehydroepiandrosterone (DHEA) supplementation for cognitive function in healthy elderly people. Cochrane Database Syst Rev. 2006 Oct 18;(4):CD006221. [Article]
- Fuller SJ, Tan RS, Martins RN: Androgens in the etiology of Alzheimer's disease in aging men and possible therapeutic interventions. J Alzheimers Dis. 2007 Sep;12(2):129-42. [Article]
- Thijs L, Fagard R, Forette F, Nawrot T, Staessen JA: Are low dehydroepiandrosterone sulphate levels predictive for cardiovascular diseases? A review of prospective and retrospective studies. Acta Cardiol. 2003 Oct;58(5):403-10. [Article]
- Barrett-Connor E, Khaw KT, Yen SS: A prospective study of dehydroepiandrosterone sulfate, mortality, and cardiovascular disease. N Engl J Med. 1986 Dec 11;315(24):1519-24. [Article]
- Arnlov J, Pencina MJ, Amin S, Nam BH, Benjamin EJ, Murabito JM, Wang TJ, Knapp PE, D'Agostino RB Sr, Bhasin S, Vasan RS: Endogenous sex hormones and cardiovascular disease incidence in men. Ann Intern Med. 2006 Aug 1;145(3):176-84. [Article]
- Crosbie D, Black C, McIntyre L, Royle PL, Thomas S: Dehydroepiandrosterone for systemic lupus erythematosus. Cochrane Database Syst Rev. 2007 Oct 17;(4):CD005114. [Article]
- Mattison JA, Lane MA, Roth GS, Ingram DK: Calorie restriction in rhesus monkeys. Exp Gerontol. 2003 Jan-Feb;38(1-2):35-46. [Article]
- Roberts E: The importance of being dehydroepiandrosterone sulfate (in the blood of primates): a longer and healthier life? Biochem Pharmacol. 1999 Feb 15;57(4):329-46. [Article]
- Leblanc M, Labrie C, Belanger A, Candas B, Labrie F: Bioavailability and pharmacokinetics of dehydroepiandrosterone in the cynomolgus monkey. J Clin Endocrinol Metab. 2003 Sep;88(9):4293-302. [Article]
- Casson PR, Lindsay MS, Pisarska MD, Carson SA, Buster JE: Dehydroepiandrosterone supplementation augments ovarian stimulation in poor responders: a case series. Hum Reprod. 2000 Oct;15(10):2129-32. [Article]
- Chang DM, Lan JL, Lin HY, Luo SF: Dehydroepiandrosterone treatment of women with mild-to-moderate systemic lupus erythematosus: a multicenter randomized, double-blind, placebo-controlled trial. Arthritis Rheum. 2002 Nov;46(11):2924-7. [Article]
- The NIH National Library of Medicine [Link]
- INTRAROSA™ FDA Label [Link]
- External Links
- Human Metabolome Database
- HMDB0000077
- KEGG Drug
- D08409
- KEGG Compound
- C01227
- PubChem Compound
- 5881
- PubChem Substance
- 46508824
- ChemSpider
- 5670
- BindingDB
- 50223368
- 3143
- ChEBI
- 28689
- ChEMBL
- CHEMBL90593
- ZINC
- ZINC000003807917
- Therapeutic Targets Database
- DNC001146
- PharmGKB
- PA451993
- Guide to Pharmacology
- GtP Drug Page
- PDBe Ligand
- AND
- Wikipedia
- Dehydroepiandrosterone
- PDB Entries
- 1coy / 1e3r / 1j99 / 1q22 / 3dhe / 7xkd / 7xke / 7xkf
- MSDS
- Download (19.8 KB)
Clinical Trials
- Clinical Trials
Clinical Trial & Rare Diseases Add-on Data Package
Explore 4,000+ rare diseases, orphan drugs & condition pairs, clinical trial why stopped data, & more. Preview package Phase Status Purpose Conditions Count Start Date Why Stopped 100+ additional columns Unlock 175K+ rows when you subscribe.View sample dataNot Available Completed Not Available Infertility 1 somestatus stop reason just information to hide Not Available Completed Prevention Aging / Obesity / Resistance, Insulin 1 somestatus stop reason just information to hide Not Available Completed Prevention Healthy Volunteers (HV) 1 somestatus stop reason just information to hide Not Available Completed Treatment Adrenal Insufficiency 1 somestatus stop reason just information to hide Not Available Completed Treatment Ovarian Stimulation 1 somestatus stop reason just information to hide
Pharmacoeconomics
- Manufacturers
- Not Available
- Packagers
- Not Available
- Dosage Forms
Form Route Strength Insert Vaginal 6.5 mg Insert Vaginal 6.5 mg/1 Kit Oral - Prices
- Not Available
- Patents
Patent Number Pediatric Extension Approved Expires (estimated) Region US8268806 No 2012-09-18 2031-03-19 US US8629129 No 2014-01-14 2028-08-07 US US8957054 No 2015-02-17 2028-08-07 US
Properties
- State
- Solid
- Experimental Properties
Property Value Source melting point (°C) 140-141 °C PhysProp water solubility 63.5 mg/L (at 25 °C) YALKOWSKY,SH & DANNENFELSER,RM (1992) logP 3.23 HANSCH,C ET AL. (1995) - Predicted Properties
Property Value Source Water Solubility 0.0438 mg/mL ALOGPS logP 3.53 ALOGPS logP 3.36 Chemaxon logS -3.8 ALOGPS pKa (Strongest Acidic) 18.2 Chemaxon pKa (Strongest Basic) -1.4 Chemaxon Physiological Charge 0 Chemaxon Hydrogen Acceptor Count 2 Chemaxon Hydrogen Donor Count 1 Chemaxon Polar Surface Area 37.3 Å2 Chemaxon Rotatable Bond Count 0 Chemaxon Refractivity 84.66 m3·mol-1 Chemaxon Polarizability 34.1 Å3 Chemaxon Number of Rings 4 Chemaxon Bioavailability 1 Chemaxon Rule of Five Yes Chemaxon Ghose Filter Yes Chemaxon Veber's Rule Yes Chemaxon MDDR-like Rule No Chemaxon - Predicted ADMET Features
Property Value Probability Human Intestinal Absorption + 1.0 Blood Brain Barrier + 0.9611 Caco-2 permeable + 0.8816 P-glycoprotein substrate Substrate 0.6176 P-glycoprotein inhibitor I Inhibitor 0.6272 P-glycoprotein inhibitor II Non-inhibitor 0.9014 Renal organic cation transporter Non-inhibitor 0.7596 CYP450 2C9 substrate Non-substrate 0.8415 CYP450 2D6 substrate Non-substrate 0.9116 CYP450 3A4 substrate Substrate 0.7404 CYP450 1A2 substrate Non-inhibitor 0.9313 CYP450 2C9 inhibitor Non-inhibitor 0.9672 CYP450 2D6 inhibitor Non-inhibitor 0.9476 CYP450 2C19 inhibitor Non-inhibitor 0.9025 CYP450 3A4 inhibitor Non-inhibitor 0.8399 CYP450 inhibitory promiscuity Low CYP Inhibitory Promiscuity 0.9013 Ames test Non AMES toxic 0.9382 Carcinogenicity Non-carcinogens 0.947 Biodegradation Not ready biodegradable 0.8998 Rat acute toxicity 1.5214 LD50, mol/kg Not applicable hERG inhibition (predictor I) Weak inhibitor 0.8861 hERG inhibition (predictor II) Non-inhibitor 0.7176
Spectra
- Mass Spec (NIST)
- Not Available
- Spectra
- Chromatographic Properties
Collision Cross Sections (CCS)
Adduct CCS Value (Å2) Source type Source [M-H]- 176.9786819 predictedDarkChem Lite v0.1.0 [M-H]- 177.7842819 predictedDarkChem Lite v0.1.0 [M-H]- 176.9476819 predictedDarkChem Lite v0.1.0 [M-H]- 171.50917 predictedDeepCCS 1.0 (2019) [M+H]+ 177.5253819 predictedDarkChem Lite v0.1.0 [M+H]+ 178.4732819 predictedDarkChem Lite v0.1.0 [M+H]+ 177.5613819 predictedDarkChem Lite v0.1.0 [M+H]+ 173.59688 predictedDeepCCS 1.0 (2019) [M+Na]+ 177.0259819 predictedDarkChem Lite v0.1.0 [M+Na]+ 178.2582819 predictedDarkChem Lite v0.1.0 [M+Na]+ 176.9559819 predictedDarkChem Lite v0.1.0 [M+Na]+ 179.57912 predictedDeepCCS 1.0 (2019)
Targets
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- Kind
- Protein
- Organism
- Humans
- Pharmacological action
- Yes
- Actions
- Inhibitor
- General Function
- Catalyzes the rate-limiting step of the oxidative pentose-phosphate pathway, which represents a route for the dissimilation of carbohydrates besides glycolysis. The main function of this enzyme is to provide reducing power (NADPH) and pentose phosphates for fatty acid and nucleic acid synthesis
- Specific Function
- D-glucose binding
- Gene Name
- G6PD
- Uniprot ID
- P11413
- Uniprot Name
- Glucose-6-phosphate 1-dehydrogenase
- Molecular Weight
- 59256.31 Da
References
- Zhou Y, Zhang Y, Zhao D, Yu X, Shen X, Zhou Y, Wang S, Qiu Y, Chen Y, Zhu F: TTD: Therapeutic Target Database describing target druggability information. Nucleic Acids Res. 2024 Jan 5;52(D1):D1465-D1477. doi: 10.1093/nar/gkad751. [Article]
- Kind
- Protein
- Organism
- Humans
- Pharmacological action
- Unknown
- Actions
- Binder
- General Function
- Nuclear hormone receptor. The steroid hormones and their receptors are involved in the regulation of eukaryotic gene expression and affect cellular proliferation and differentiation in target tissues. Ligand-dependent nuclear transactivation involves either direct homodimer binding to a palindromic estrogen response element (ERE) sequence or association with other DNA-binding transcription factors, such as AP-1/c-Jun, c-Fos, ATF-2, Sp1 and Sp3, to mediate ERE-independent signaling. Ligand binding induces a conformational change allowing subsequent or combinatorial association with multiprotein coactivator complexes through LXXLL motifs of their respective components. Mutual transrepression occurs between the estrogen receptor (ER) and NF-kappa-B in a cell-type specific manner. Decreases NF-kappa-B DNA-binding activity and inhibits NF-kappa-B-mediated transcription from the IL6 promoter and displace RELA/p65 and associated coregulators from the promoter. Recruited to the NF-kappa-B response element of the CCL2 and IL8 promoters and can displace CREBBP. Present with NF-kappa-B components RELA/p65 and NFKB1/p50 on ERE sequences. Can also act synergistically with NF-kappa-B to activate transcription involving respective recruitment adjacent response elements; the function involves CREBBP. Can activate the transcriptional activity of TFF1. Also mediates membrane-initiated estrogen signaling involving various kinase cascades. Essential for MTA1-mediated transcriptional regulation of BRCA1 and BCAS3 (PubMed:17922032). Maintains neuronal survival in response to ischemic reperfusion injury when in the presence of circulating estradiol (17-beta-estradiol/E2) (By similarity)
- Specific Function
- 14-3-3 protein binding
- Gene Name
- ESR1
- Uniprot ID
- P03372
- Uniprot Name
- Estrogen receptor
- Molecular Weight
- 66215.45 Da
References
- Chen F, Knecht K, Birzin E, Fisher J, Wilkinson H, Mojena M, Moreno CT, Schmidt A, Harada S, Freedman LP, Reszka AA: Direct agonist/antagonist functions of dehydroepiandrosterone. Endocrinology. 2005 Nov;146(11):4568-76. Epub 2005 Jun 30. [Article]
- Kind
- Protein
- Organism
- Humans
- Pharmacological action
- Unknown
- Actions
- Activator
- General Function
- Nuclear hormone receptor. Binds estrogens with an affinity similar to that of ESR1/ER-alpha, and activates expression of reporter genes containing estrogen response elements (ERE) in an estrogen-dependent manner (PubMed:20074560)
- Specific Function
- DNA binding
- Gene Name
- ESR2
- Uniprot ID
- Q92731
- Uniprot Name
- Estrogen receptor beta
- Molecular Weight
- 59215.765 Da
References
- Chen F, Knecht K, Birzin E, Fisher J, Wilkinson H, Mojena M, Moreno CT, Schmidt A, Harada S, Freedman LP, Reszka AA: Direct agonist/antagonist functions of dehydroepiandrosterone. Endocrinology. 2005 Nov;146(11):4568-76. Epub 2005 Jun 30. [Article]
- Kind
- Protein group
- Organism
- Humans
- Pharmacological action
- Unknown
- Actions
- Antagonist
- General Function
- Alpha subunit of the heteropentameric ligand-gated chloride channel gated by Gamma-aminobutyric acid (GABA), a major inhibitory neurotransmitter in the brain (PubMed:23909897, PubMed:25489750, PubMed:29950725, PubMed:30602789). GABA-gated chloride channels, also named GABA(A) receptors (GABAAR), consist of five subunits arranged around a central pore and contain GABA active binding site(s) located at the alpha and beta subunit interface(s) (PubMed:29950725, PubMed:30602789). When activated by GABA, GABAARs selectively allow the flow of chloride anions across the cell membrane down their electrochemical gradient (PubMed:23909897, PubMed:29950725, PubMed:30602789). Alpha-1/GABRA1-containing GABAARs are largely synaptic (By similarity). Chloride influx into the postsynaptic neuron following GABAAR opening decreases the neuron ability to generate a new action potential, thereby reducing nerve transmission (By similarity). GABAARs containing alpha-1 and beta-2 or -3 subunits exhibit synaptogenic activity; the gamma-2 subunit being necessary but not sufficient to induce rapid synaptic contacts formation (PubMed:23909897, PubMed:25489750). GABAARs function also as histamine receptor where histamine binds at the interface of two neighboring beta subunits and potentiates GABA response (By similarity). GABAARs containing alpha, beta and epsilon subunits also permit spontaneous chloride channel activity while preserving the structural information required for GABA-gated openings (By similarity). Alpha-1-mediated plasticity in the orbitofrontal cortex regulates context-dependent action selection (By similarity). Together with rho subunits, may also control neuronal and glial GABAergic transmission in the cerebellum (By similarity)
- Specific Function
- GABA-A receptor activity
Components:
References
- Sousa A, Ticku MK: Interactions of the neurosteroid dehydroepiandrosterone sulfate with the GABA(A) receptor complex reveals that it may act via the picrotoxin site. J Pharmacol Exp Ther. 1997 Aug;282(2):827-33. [Article]
- Kind
- Protein group
- Organism
- Humans
- Pharmacological action
- Unknown
- Actions
- Agonist
- General Function
- Component of NMDA receptor complexes that function as heterotetrameric, ligand-gated ion channels with high calcium permeability and voltage-dependent sensitivity to magnesium. Channel activation requires binding of the neurotransmitter glutamate to the epsilon subunit, glycine binding to the zeta subunit, plus membrane depolarization to eliminate channel inhibition by Mg(2+) (PubMed:26875626, PubMed:26919761, PubMed:28105280, PubMed:28126851, PubMed:7685113). Sensitivity to glutamate and channel kinetics depend on the subunit composition (PubMed:26919761)
- Specific Function
- amyloid-beta binding
Components:
References
- Compagnone NA, Mellon SH: Dehydroepiandrosterone: a potential signalling molecule for neocortical organization during development. Proc Natl Acad Sci U S A. 1998 Apr 14;95(8):4678-83. [Article]
- Kind
- Protein
- Organism
- Humans
- Pharmacological action
- Unknown
- Actions
- Agonist
- General Function
- Steroid hormone receptors are ligand-activated transcription factors that regulate eukaryotic gene expression and affect cellular proliferation and differentiation in target tissues (PubMed:19022849). Transcription factor activity is modulated by bound coactivator and corepressor proteins like ZBTB7A that recruits NCOR1 and NCOR2 to the androgen response elements/ARE on target genes, negatively regulating androgen receptor signaling and androgen-induced cell proliferation (PubMed:20812024). Transcription activation is also down-regulated by NR0B2. Activated, but not phosphorylated, by HIPK3 and ZIPK/DAPK3
- Specific Function
- androgen binding
- Gene Name
- AR
- Uniprot ID
- P10275
- Uniprot Name
- Androgen receptor
- Molecular Weight
- 99187.115 Da
References
- Chen F, Knecht K, Birzin E, Fisher J, Wilkinson H, Mojena M, Moreno CT, Schmidt A, Harada S, Freedman LP, Reszka AA: Direct agonist/antagonist functions of dehydroepiandrosterone. Endocrinology. 2005 Nov;146(11):4568-76. Epub 2005 Jun 30. [Article]
- Kind
- Protein
- Organism
- Humans
- Pharmacological action
- Unknown
- Actions
- Activator
- General Function
- Ligand-activated transcription factor. Key regulator of lipid metabolism. Activated by the endogenous ligand 1-palmitoyl-2-oleoyl-sn-glycerol-3-phosphocholine (16:0/18:1-GPC). Activated by oleylethanolamide, a naturally occurring lipid that regulates satiety. Receptor for peroxisome proliferators such as hypolipidemic drugs and fatty acids. Regulates the peroxisomal beta-oxidation pathway of fatty acids. Functions as a transcription activator for the ACOX1 and P450 genes. Transactivation activity requires heterodimerization with RXRA and is antagonized by NR2C2. May be required for the propagation of clock information to metabolic pathways regulated by PER2
- Specific Function
- DNA binding
- Gene Name
- PPARA
- Uniprot ID
- Q07869
- Uniprot Name
- Peroxisome proliferator-activated receptor alpha
- Molecular Weight
- 52224.595 Da
References
- Kohalmy K, Tamasi V, Kobori L, Sarvary E, Pascussi JM, Porrogi P, Rozman D, Prough RA, Meyer UA, Monostory K: Dehydroepiandrosterone induces human CYP2B6 through the constitutive androstane receptor. Drug Metab Dispos. 2007 Sep;35(9):1495-501. Epub 2007 Jun 25. [Article]
- Tamasi V, Miller KK, Ripp SL, Vila E, Geoghagen TE, Prough RA: Modulation of receptor phosphorylation contributes to activation of peroxisome proliferator activated receptor alpha by dehydroepiandrosterone and other peroxisome proliferators. Mol Pharmacol. 2008 Mar;73(3):968-76. Epub 2007 Dec 13. [Article]
- Kind
- Protein
- Organism
- Humans
- Pharmacological action
- Unknown
- Actions
- Agonist
- General Function
- Functions in lipid transport from the endoplasmic reticulum and is involved in a wide array of cellular functions probably through regulation of the biogenesis of lipid microdomains at the plasma membrane. Involved in the regulation of different receptors it plays a role in BDNF signaling and EGF signaling. Also regulates ion channels like the potassium channel and could modulate neurotransmitter release. Plays a role in calcium signaling through modulation together with ANK2 of the ITP3R-dependent calcium efflux at the endoplasmic reticulum. Plays a role in several other cell functions including proliferation, survival and death. Originally identified for its ability to bind various psychoactive drugs it is involved in learning processes, memory and mood alteration (PubMed:16472803, PubMed:9341151). Necessary for proper mitochondrial axonal transport in motor neurons, in particular the retrograde movement of mitochondria. Plays a role in protecting cells against oxidative stress-induced cell death via its interaction with RNF112 (By similarity)
- Specific Function
- G protein-coupled opioid receptor activity
- Gene Name
- SIGMAR1
- Uniprot ID
- Q99720
- Uniprot Name
- Sigma non-opioid intracellular receptor 1
- Molecular Weight
- 25127.52 Da
References
- Waterhouse RN, Chang RC, Atuehene N, Collier TL: In vitro and in vivo binding of neuroactive steroids to the sigma-1 receptor as measured with the positron emission tomography radioligand [18F]FPS. Synapse. 2007 Jul;61(7):540-6. [Article]
- Kind
- Protein
- Organism
- Humans
- Pharmacological action
- Unknown
- Actions
- Activator
- General Function
- Nuclear receptor that binds and is activated by variety of endogenous and xenobiotic compounds. Transcription factor that activates the transcription of multiple genes involved in the metabolism and secretion of potentially harmful xenobiotics, drugs and endogenous compounds. Activated by the antibiotic rifampicin and various plant metabolites, such as hyperforin, guggulipid, colupulone, and isoflavones. Response to specific ligands is species-specific. Activated by naturally occurring steroids, such as pregnenolone and progesterone. Binds to a response element in the promoters of the CYP3A4 and ABCB1/MDR1 genes
- Specific Function
- DNA-binding transcription activator activity, RNA polymerase II-specific
- Gene Name
- NR1I2
- Uniprot ID
- O75469
- Uniprot Name
- Nuclear receptor subfamily 1 group I member 2
- Molecular Weight
- 49761.245 Da
References
- Kohalmy K, Tamasi V, Kobori L, Sarvary E, Pascussi JM, Porrogi P, Rozman D, Prough RA, Meyer UA, Monostory K: Dehydroepiandrosterone induces human CYP2B6 through the constitutive androstane receptor. Drug Metab Dispos. 2007 Sep;35(9):1495-501. Epub 2007 Jun 25. [Article]
- Kind
- Protein
- Organism
- Humans
- Pharmacological action
- Unknown
- Actions
- Activator
- General Function
- Binds and transactivates the retinoic acid response elements that control expression of the retinoic acid receptor beta 2 and alcohol dehydrogenase 3 genes. Transactivates both the phenobarbital responsive element module of the human CYP2B6 gene and the CYP3A4 xenobiotic response element
- Specific Function
- DNA-binding transcription activator activity, RNA polymerase II-specific
- Gene Name
- NR1I3
- Uniprot ID
- Q14994
- Uniprot Name
- Nuclear receptor subfamily 1 group I member 3
- Molecular Weight
- 39942.145 Da
References
- Kohalmy K, Tamasi V, Kobori L, Sarvary E, Pascussi JM, Porrogi P, Rozman D, Prough RA, Meyer UA, Monostory K: Dehydroepiandrosterone induces human CYP2B6 through the constitutive androstane receptor. Drug Metab Dispos. 2007 Sep;35(9):1495-501. Epub 2007 Jun 25. [Article]
Enzymes
- Kind
- Protein
- Organism
- Humans
- Pharmacological action
- Unknown
- Actions
- SubstrateInhibitor
- General Function
- A cytochrome P450 monooxygenase involved in the metabolism of steroid hormones and vitamins during embryogenesis (PubMed:11093772, PubMed:12865317, PubMed:14559847, PubMed:17178770, PubMed:9555064). Mechanistically, uses molecular oxygen inserting one oxygen atom into a substrate, and reducing the second into a water molecule, with two electrons provided by NADPH via cytochrome P450 reductase (NADPH--hemoprotein reductase) (PubMed:11093772, PubMed:12865317, PubMed:14559847, PubMed:17178770, PubMed:9555064). Catalyzes the hydroxylation of carbon-hydrogen bonds. Metabolizes 3beta-hydroxyandrost-5-en-17-one (dehydroepiandrosterone, DHEA), a precursor in the biosynthesis of androgen and estrogen steroid hormones (PubMed:17178770, PubMed:9555064). Exhibits high catalytic activity for the formation of hydroxyestrogens from estrone (E1), particularly D-ring hydroxylated estrone at the C16-alpha position (PubMed:12865317, PubMed:14559847). Mainly hydroxylates all trans-retinoic acid (atRA) to 4-hydroxyretinoate and may play a role in atRA clearance during fetal development (PubMed:11093772). Also involved in the oxidative metabolism of xenobiotics including anticonvulsants (PubMed:9555064)
- Specific Function
- all-trans retinoic acid 18-hydroxylase activity
- Gene Name
- CYP3A7
- Uniprot ID
- P24462
- Uniprot Name
- Cytochrome P450 3A7
- Molecular Weight
- 57469.95 Da
References
- Torimoto N, Ishii I, Toyama K, Hata M, Tanaka K, Shimomura H, Nakamura H, Ariyoshi N, Ohmori S, Kitada M: Helices F-G are important for the substrate specificities of CYP3A7. Drug Metab Dispos. 2007 Mar;35(3):484-92. doi: 10.1124/dmd.106.011304. Epub 2006 Dec 18. [Article]
- Kind
- Protein
- Organism
- Humans
- Pharmacological action
- Unknown
- Actions
- Substrate
- General Function
- Favors the reduction of estrogens and androgens. Converts estrone (E1) to a more potent estrogen, 17beta-estradiol (E2) (PubMed:8994190). Also has 20-alpha-HSD activity. Uses preferentially NADH
- Specific Function
- 17-beta-hydroxysteroid dehydrogenase (NADP+) activity
- Gene Name
- HSD17B1
- Uniprot ID
- P14061
- Uniprot Name
- 17-beta-hydroxysteroid dehydrogenase type 1
- Molecular Weight
- 34949.715 Da
References
- Berman HM, Westbrook J, Feng Z, Gilliland G, Bhat TN, Weissig H, Shindyalov IN, Bourne PE: The Protein Data Bank. Nucleic Acids Res. 2000 Jan 1;28(1):235-42. [Article]
- Hilborn E, Stal O, Jansson A: Estrogen and androgen-converting enzymes 17beta-hydroxysteroid dehydrogenase and their involvement in cancer: with a special focus on 17beta-hydroxysteroid dehydrogenase type 1, 2, and breast cancer. Oncotarget. 2017 May 2;8(18):30552-30562. doi: 10.18632/oncotarget.15547. [Article]
- Kind
- Protein
- Organism
- Humans
- Pharmacological action
- Unknown
- Actions
- Substrate
- General Function
- Sulfotransferase that utilizes 3'-phospho-5'-adenylyl sulfate (PAPS) as sulfonate donor to catalyze the sulfonation of steroids and bile acids in the liver and adrenal glands. Mediates the sulfation of a wide range of steroids and sterols, including pregnenolone, androsterone, DHEA, bile acids, cholesterol and as well many xenobiotics that contain alcohol and phenol functional groups (PubMed:14573603, PubMed:18042734, PubMed:19589875, PubMed:21187059, PubMed:2268288, PubMed:29671343, PubMed:7678732, PubMed:7854148). Sulfonation increases the water solubility of most compounds, and therefore their renal excretion, but it can also result in bioactivation to form active metabolites. Plays an important role in maintening steroid and lipid homeostasis (PubMed:14573603, PubMed:19589875, PubMed:21187059). Plays a key role in bile acid metabolism (PubMed:2268288). In addition, catalyzes the metabolic activation of potent carcinogenic polycyclic arylmethanols (By similarity)
- Specific Function
- 3'-phosphoadenosine 5'-phosphosulfate binding
- Gene Name
- SULT2A1
- Uniprot ID
- Q06520
- Uniprot Name
- Sulfotransferase 2A1
- Molecular Weight
- 33779.57 Da
References
- Berman HM, Westbrook J, Feng Z, Gilliland G, Bhat TN, Weissig H, Shindyalov IN, Bourne PE: The Protein Data Bank. Nucleic Acids Res. 2000 Jan 1;28(1):235-42. [Article]
- Dawson PA, Setchell KDR: Will the real bile acid sulfotransferase please stand up? Identification of Sult2a8 as a major hepatic bile acid sulfonating enzyme in mice. J Lipid Res. 2017 Jun;58(6):1033-1035. doi: 10.1194/jlr.C077420. Epub 2017 Apr 28. [Article]
- Kind
- Protein
- Organism
- Humans
- Pharmacological action
- Unknown
- Actions
- Substrate
- General Function
- Sulfotransferase that utilizes 3'-phospho-5'-adenylyl sulfate (PAPS) as sulfonate donor to catalyze the sulfate conjugation. Responsible for the sulfation of cholesterol (PubMed:12145317, PubMed:19589875). Catalyzes sulfation of the 3beta-hydroxyl groups of steroids, such as, pregnenolone and dehydroepiandrosterone (DHEA) (PubMed:12145317, PubMed:16855051, PubMed:21855633, PubMed:9799594). Preferentially sulfonates cholesterol, while it has also significant activity with pregnenolone and DHEA (PubMed:12145317, PubMed:21855633). Plays a role in epidermal cholesterol metabolism and in the regulation of epidermal proliferation and differentiation (PubMed:28575648)
- Specific Function
- cholesterol binding
- Gene Name
- SULT2B1
- Uniprot ID
- O00204
- Uniprot Name
- Sulfotransferase 2B1
- Molecular Weight
- 41307.32 Da
References
- Alherz FA, El Daibani AA, Abunnaja MS, Bairam AF, Rasool MI, Sakakibara Y, Suiko M, Kurogi K, Liu MC: Effect of SULT2B1 genetic polymorphisms on the sulfation of dehydroepiandrosterone and pregnenolone by SULT2B1b allozymes. Mol Cell Endocrinol. 2019 Oct 1;496:110535. doi: 10.1016/j.mce.2019.110535. Epub 2019 Aug 7. [Article]
- Berman HM, Westbrook J, Feng Z, Gilliland G, Bhat TN, Weissig H, Shindyalov IN, Bourne PE: The Protein Data Bank. Nucleic Acids Res. 2000 Jan 1;28(1):235-42. [Article]
- Kind
- Protein
- Organism
- Humans
- Pharmacological action
- Unknown
- Actions
- Substrate
- General Function
- A bifunctional enzyme responsible for the oxidation and isomerization of 3beta-hydroxy-Delta(5)-steroid precursors to 3-oxo-Delta(4)-steroids, an essential step in steroid hormone biosynthesis. Specifically catalyzes the conversion of pregnenolone to progesterone, 17alpha-hydroxypregnenolone to 17alpha-hydroxyprogesterone, dehydroepiandrosterone (DHEA) to 4-androstenedione, and androstenediol to testosterone. Additionally, catalyzes the interconversion between 3beta-hydroxy and 3-oxo-5alpha-androstane steroids controlling the bioavalability of the active forms. Specifically converts dihydrotestosterone to its inactive form 5alpha-androstanediol, that does not bind androgen receptor/AR. Also converts androstanedione, a precursor of testosterone and estrone, to epiandrosterone (PubMed:1401999, PubMed:2139411). Expected to use NAD(+) as preferred electron donor for the 3beta-hydroxy-steroid dehydrogenase activity and NADPH for the 3-ketosteroid reductase activity (Probable)
- Specific Function
- 3-beta-hydroxy-delta5-steroid dehydrogenase (NAD+) activity
- Gene Name
- HSD3B1
- Uniprot ID
- P14060
- Uniprot Name
- 3 beta-hydroxysteroid dehydrogenase/Delta 5-->4-isomerase type 1
- Molecular Weight
- 42251.25 Da
References
- Dumont M, Luu-The V, Dupont E, Pelletier G, Labrie F: Characterization, expression, and immunohistochemical localization of 3 beta-hydroxysteroid dehydrogenase/delta 5-delta 4 isomerase in human skin. J Invest Dermatol. 1992 Oct;99(4):415-21. [Article]
- Lorence MC, Murry BA, Trant JM, Mason JI: Human 3 beta-hydroxysteroid dehydrogenase/delta 5----4isomerase from placenta: expression in nonsteroidogenic cells of a protein that catalyzes the dehydrogenation/isomerization of C21 and C19 steroids. Endocrinology. 1990 May;126(5):2493-8. [Article]
- Kind
- Protein
- Organism
- Brevibacterium sterolicum
- Pharmacological action
- Unknown
- Actions
- Substrate
- General Function
- Catalyzes the oxidation and isomerization of cholesterol to cholestenone (4-cholesten-3-one), which is an initial step in the cholesterol degradation process.
- Specific Function
- cholesterol oxidase activity
- Gene Name
- choB
- Uniprot ID
- P22637
- Uniprot Name
- Cholesterol oxidase
- Molecular Weight
- 59357.765 Da
References
- Pollegioni L, Piubelli L, Molla G: Cholesterol oxidase: biotechnological applications The Febs Journal. 2009 Nov 16;276(23):6857-6870. [Article]
- Kind
- Protein
- Organism
- Humans
- Pharmacological action
- Unknown
- Actions
- Product of
- General Function
- A cytochrome P450 monooxygenase involved in corticoid and androgen biosynthesis (PubMed:22266943, PubMed:25301938, PubMed:27339894, PubMed:9452426). Catalyzes 17-alpha hydroxylation of C21 steroids, which is common for both pathways. A second oxidative step, required only for androgen synthesis, involves an acyl-carbon cleavage. The 17-alpha hydroxy intermediates, as part of adrenal glucocorticoids biosynthesis pathway, are precursors of cortisol (Probable) (PubMed:25301938, PubMed:9452426). Hydroxylates steroid hormones, pregnenolone and progesterone to form 17-alpha hydroxy metabolites, followed by the cleavage of the C17-C20 bond to form C19 steroids, dehydroepiandrosterone (DHEA) and androstenedione (PubMed:22266943, PubMed:25301938, PubMed:27339894, PubMed:36640554, PubMed:9452426). Has 16-alpha hydroxylase activity. Catalyzes 16-alpha hydroxylation of 17-alpha hydroxy pregnenolone, followed by the cleavage of the C17-C20 bond to form 16-alpha-hydroxy DHEA (PubMed:36640554). Also 16-alpha hydroxylates androgens, relevant for estriol synthesis (PubMed:25301938, PubMed:27339894). Mechanistically, uses molecular oxygen inserting one oxygen atom into a substrate, and reducing the second into a water molecule, with two electrons provided by NADPH via cytochrome P450 reductase (CPR; NADPH-ferrihemoprotein reductase) (PubMed:22266943, PubMed:25301938, PubMed:27339894, PubMed:9452426)
- Specific Function
- heme binding
- Gene Name
- CYP17A1
- Uniprot ID
- P05093
- Uniprot Name
- Steroid 17-alpha-hydroxylase/17,20 lyase
- Molecular Weight
- 57369.995 Da
References
- Guengerich FP, Wilkey CJ, Glass SM, Reddish MJ: Conformational selection dominates binding of steroids to human cytochrome P450 17A1. J Biol Chem. 2019 Jun 28;294(26):10028-10041. doi: 10.1074/jbc.RA119.008860. Epub 2019 May 9. [Article]
Transporters
- Kind
- Protein
- Organism
- Humans
- Pharmacological action
- Unknown
- Actions
- Substrate
- General Function
- Mediates the Na(+)-independent uptake of organic anions (PubMed:10779507, PubMed:15159445, PubMed:17412826). Shows broad substrate specificity, can transport both organic anions such as bile acid taurocholate (cholyltaurine) and conjugated steroids (17-beta-glucuronosyl estradiol, dehydroepiandrosterone sulfate (DHEAS), and estrone 3-sulfate), as well as eicosanoid leukotriene C4, prostaglandin E2 and L-thyroxine (T4) (PubMed:10779507, PubMed:11159893, PubMed:12568656, PubMed:15159445, PubMed:17412826, PubMed:19129463). Hydrogencarbonate/HCO3(-) acts as the probable counteranion that exchanges for organic anions (PubMed:19129463). Shows a pH-sensitive substrate specificity towards sulfated steroids, taurocholate and T4 which may be ascribed to the protonation state of the binding site and leads to a stimulation of substrate transport in an acidic microenvironment (PubMed:19129463). Involved in the clearance of bile acids and organic anions from the liver (PubMed:22232210). Can take up bilirubin glucuronides from plasma into the liver, contributing to the detoxification-enhancing liver-blood shuttling loop (PubMed:22232210). Transports coproporphyrin I and III, by-products of heme synthesis, and may be involved in their hepatic disposition (PubMed:26383540). May contribute to regulate the transport of organic compounds in testes across the blood-testis-barrier (Probable). Can transport HMG-CoA reductase inhibitors (also known as statins) such as pitavastatin, a clinically important class of hypolipidemic drugs (PubMed:15159445). May play an important role in plasma and tissue distribution of the structurally diverse chemotherapeutic drugs methotrexate and paclitaxel (PubMed:23243220). May also transport antihypertension agents, such as the angiotensin-converting enzyme (ACE) inhibitor prodrug enalapril, and the highly selective angiotensin II AT1-receptor antagonist valsartan, in the liver (PubMed:16624871, PubMed:16627748)
- Specific Function
- bile acid transmembrane transporter activity
- Gene Name
- SLCO1B3
- Uniprot ID
- Q9NPD5
- Uniprot Name
- Solute carrier organic anion transporter family member 1B3
- Molecular Weight
- 77402.175 Da
References
- Cho E, Montgomery RB, Mostaghel EA: Minireview: SLCO and ABC transporters: a role for steroid transport in prostate cancer progression. Endocrinology. 2014 Nov;155(11):4124-32. doi: 10.1210/en.2014-1337. Epub 2014 Aug 22. [Article]
- Kind
- Protein
- Organism
- Humans
- Pharmacological action
- Unknown
- Actions
- Substrate
- General Function
- Mediates the Na(+)-independent transport of steroid sulfate conjugates and other specific organic anions (PubMed:10873595, PubMed:11159893, PubMed:11932330, PubMed:12724351, PubMed:14610227, PubMed:16908597, PubMed:18501590, PubMed:20507927, PubMed:22201122, PubMed:23531488, PubMed:25132355, PubMed:26383540, PubMed:27576593, PubMed:28408210, PubMed:29871943, PubMed:34628357). Responsible for the transport of estrone 3-sulfate (E1S) through the basal membrane of syncytiotrophoblast, highlighting a potential role in the placental absorption of fetal-derived sulfated steroids including the steroid hormone precursor dehydroepiandrosterone sulfate (DHEA-S) (PubMed:11932330, PubMed:12409283). Also facilitates the uptake of sulfated steroids at the basal/sinusoidal membrane of hepatocytes, therefore accounting for the major part of organic anions clearance of liver (PubMed:11159893). Mediates the intestinal uptake of sulfated steroids (PubMed:12724351, PubMed:28408210). Mediates the uptake of the neurosteroids DHEA-S and pregnenolone sulfate (PregS) into the endothelial cells of the blood-brain barrier as the first step to enter the brain (PubMed:16908597, PubMed:25132355). Also plays a role in the reuptake of neuropeptides such as substance P/TAC1 and vasoactive intestinal peptide/VIP released from retinal neurons (PubMed:25132355). May act as a heme transporter that promotes cellular iron availability via heme oxygenase/HMOX2 and independently of TFRC (PubMed:35714613). Also transports heme by-product coproporphyrin III (CPIII), and may be involved in their hepatic disposition (PubMed:26383540). Mediates the uptake of other substrates such as prostaglandins D2 (PGD2), E1 (PGE1) and E2 (PGE2), taurocholate, L-thyroxine, leukotriene C4 and thromboxane B2 (PubMed:10873595, PubMed:14610227, PubMed:19129463, PubMed:29871943, Ref.25). May contribute to regulate the transport of organic compounds in testis across the blood-testis-barrier (Probable). Shows a pH-sensitive substrate specificity which may be ascribed to the protonation state of the binding site and leads to a stimulation of substrate transport in an acidic microenvironment (PubMed:14610227, PubMed:19129463, PubMed:22201122). The exact transport mechanism has not been yet deciphered but most likely involves an anion exchange, coupling the cellular uptake of organic substrate with the efflux of an anionic compound (PubMed:19129463, PubMed:20507927, PubMed:26277985). Hydrogencarbonate/HCO3(-) acts as a probable counteranion that exchanges for organic anions (PubMed:19129463). Cytoplasmic glutamate may also act as counteranion in the placenta (PubMed:26277985). An inwardly directed proton gradient has also been proposed as the driving force of E1S uptake with a (H(+):E1S) stoichiometry of (1:1) (PubMed:20507927)
- Specific Function
- bile acid transmembrane transporter activity
- Gene Name
- SLCO2B1
- Uniprot ID
- O94956
- Uniprot Name
- Solute carrier organic anion transporter family member 2B1
- Molecular Weight
- 76697.93 Da
References
- Cho E, Montgomery RB, Mostaghel EA: Minireview: SLCO and ABC transporters: a role for steroid transport in prostate cancer progression. Endocrinology. 2014 Nov;155(11):4124-32. doi: 10.1210/en.2014-1337. Epub 2014 Aug 22. [Article]
- Kind
- Protein
- Organism
- Humans
- Pharmacological action
- Unknown
- Actions
- Substrate
- General Function
- Mediates the Na(+)-independent uptake of organic anions (PubMed:10358072, PubMed:15159445, PubMed:17412826). Shows broad substrate specificity, can transport both organic anions such as bile acid taurocholate (cholyltaurine) and conjugated steroids (dehydroepiandrosterone 3-sulfate, 17-beta-glucuronosyl estradiol, and estrone 3-sulfate), as well as eicosanoids (prostaglandin E2, thromboxane B2, leukotriene C4, and leukotriene E4), and thyroid hormones (T4/L-thyroxine, and T3/3,3',5'-triiodo-L-thyronine) (PubMed:10358072, PubMed:10601278, PubMed:10873595, PubMed:11159893, PubMed:12196548, PubMed:12568656, PubMed:15159445, PubMed:15970799, PubMed:16627748, PubMed:17412826, PubMed:19129463, PubMed:26979622). Can take up bilirubin glucuronides from plasma into the liver, contributing to the detoxification-enhancing liver-blood shuttling loop (PubMed:22232210). Involved in the clearance of endogenous and exogenous substrates from the liver (PubMed:10358072, PubMed:10601278). Transports coproporphyrin I and III, by-products of heme synthesis, and may be involved in their hepatic disposition (PubMed:26383540). May contribute to regulate the transport of organic compounds in testes across the blood-testis-barrier (Probable). Can transport HMG-CoA reductase inhibitors (also known as statins), such as pravastatin and pitavastatin, a clinically important class of hypolipidemic drugs (PubMed:10601278, PubMed:15159445, PubMed:15970799). May play an important role in plasma and tissue distribution of the structurally diverse chemotherapeutic drug methotrexate (PubMed:23243220). May also transport antihypertension agents, such as the angiotensin-converting enzyme (ACE) inhibitor prodrug enalapril, and the highly selective angiotensin II AT1-receptor antagonist valsartan, in the liver (PubMed:16624871, PubMed:16627748). Shows a pH-sensitive substrate specificity towards prostaglandin E2 and T4 which may be ascribed to the protonation state of the binding site and leads to a stimulation of substrate transport in an acidic microenvironment (PubMed:19129463). Hydrogencarbonate/HCO3(-) acts as the probable counteranion that exchanges for organic anions (PubMed:19129463)
- Specific Function
- bile acid transmembrane transporter activity
- Gene Name
- SLCO1B1
- Uniprot ID
- Q9Y6L6
- Uniprot Name
- Solute carrier organic anion transporter family member 1B1
- Molecular Weight
- 76447.99 Da
References
- Cho E, Montgomery RB, Mostaghel EA: Minireview: SLCO and ABC transporters: a role for steroid transport in prostate cancer progression. Endocrinology. 2014 Nov;155(11):4124-32. doi: 10.1210/en.2014-1337. Epub 2014 Aug 22. [Article]
- Kind
- Protein
- Organism
- Humans
- Pharmacological action
- Unknown
- Actions
- Substrate
- General Function
- Na(+)-independent transporter that mediates the cellular uptake of a broad range of organic anions such as the endogenous bile salts cholate and deoxycholate, either in their unconjugated or conjugated forms (taurocholate and glycocholate), at the plasmam membrane (PubMed:19129463, PubMed:7557095). Responsible for intestinal absorption of bile acids (By similarity). Transports dehydroepiandrosterone 3-sulfate (DHEAS), a major circulating steroid secreted by the adrenal cortex, as well as estrone 3-sulfate and 17beta-estradiol 17-O-(beta-D-glucuronate) (PubMed:11159893, PubMed:12568656, PubMed:19129463, PubMed:23918469, PubMed:25560245, PubMed:9539145). Mediates apical uptake of all-trans-retinol (atROL) across human retinal pigment epithelium, which is essential to maintaining the integrity of the visual cycle and thus vision (PubMed:25560245). Involved in the uptake of clinically used drugs (PubMed:17301733, PubMed:20686826, PubMed:27777271). Capable of thyroid hormone transport (both T3 or 3,3',5'-triiodo-L-thyronine, and T4 or L-tyroxine) (PubMed:19129463, PubMed:20358049). Also transports prostaglandin E2 (PubMed:19129463). Plays roles in blood-brain and -cerebrospinal fluid barrier transport of organic anions and signal mediators, and in hormone uptake by neural cells (By similarity). May also play a role in the reuptake of neuropeptides such as substance P/TAC1 and vasoactive intestinal peptide/VIP released from retinal neurons (PubMed:25132355). May play an important role in plasma and tissue distribution of the structurally diverse chemotherapeutic drugs methotrexate and paclitaxel (PubMed:23243220). Shows a pH-sensitive substrate specificity which may be ascribed to the protonation state of the binding site and leads to a stimulation of substrate transport in an acidic microenvironment (PubMed:19129463). Hydrogencarbonate/HCO3(-) acts as the probable counteranion that exchanges for organic anions (PubMed:19129463). May contribute to regulate the transport of organic compounds in testis across the blood-testis-barrier (Probable)
- Specific Function
- bile acid transmembrane transporter activity
- Gene Name
- SLCO1A2
- Uniprot ID
- P46721
- Uniprot Name
- Solute carrier organic anion transporter family member 1A2
- Molecular Weight
- 74144.105 Da
References
- Cho E, Montgomery RB, Mostaghel EA: Minireview: SLCO and ABC transporters: a role for steroid transport in prostate cancer progression. Endocrinology. 2014 Nov;155(11):4124-32. doi: 10.1210/en.2014-1337. Epub 2014 Aug 22. [Article]
- Kind
- Protein
- Organism
- Humans
- Pharmacological action
- Unknown
- Actions
- Substrate
- General Function
- Mediates export of organic anions and drugs from the cytoplasm (PubMed:10064732, PubMed:11114332, PubMed:16230346, PubMed:7961706, PubMed:9281595). Mediates ATP-dependent transport of glutathione and glutathione conjugates, leukotriene C4, estradiol-17-beta-o-glucuronide, methotrexate, antiviral drugs and other xenobiotics (PubMed:10064732, PubMed:11114332, PubMed:16230346, PubMed:7961706, PubMed:9281595). Confers resistance to anticancer drugs by decreasing accumulation of drug in cells, and by mediating ATP- and GSH-dependent drug export (PubMed:9281595). Hydrolyzes ATP with low efficiency (PubMed:16230346). Catalyzes the export of sphingosine 1-phosphate from mast cells independently of their degranulation (PubMed:17050692). Participates in inflammatory response by allowing export of leukotriene C4 from leukotriene C4-synthezing cells (By similarity). Mediates ATP-dependent, GSH-independent cyclic GMP-AMP (cGAMP) export (PubMed:36070769). Thus, by limiting intracellular cGAMP concentrations negatively regulates the cGAS-STING pathway (PubMed:36070769)
- Specific Function
- ABC-type glutathione S-conjugate transporter activity
- Gene Name
- ABCC1
- Uniprot ID
- P33527
- Uniprot Name
- Multidrug resistance-associated protein 1
- Molecular Weight
- 171589.5 Da
References
- Cho E, Montgomery RB, Mostaghel EA: Minireview: SLCO and ABC transporters: a role for steroid transport in prostate cancer progression. Endocrinology. 2014 Nov;155(11):4124-32. doi: 10.1210/en.2014-1337. Epub 2014 Aug 22. [Article]
- Kind
- Protein
- Organism
- Humans
- Pharmacological action
- Unknown
- Actions
- Substrate
- General Function
- Broad substrate specificity ATP-dependent transporter of the ATP-binding cassette (ABC) family that actively extrudes a wide variety of physiological compounds, dietary toxins and xenobiotics from cells (PubMed:11306452, PubMed:12958161, PubMed:19506252, PubMed:20705604, PubMed:28554189, PubMed:30405239, PubMed:31003562). Involved in porphyrin homeostasis, mediating the export of protoporphyrin IX (PPIX) from both mitochondria to cytosol and cytosol to extracellular space, it also functions in the cellular export of heme (PubMed:20705604, PubMed:23189181). Also mediates the efflux of sphingosine-1-P from cells (PubMed:20110355). Acts as a urate exporter functioning in both renal and extrarenal urate excretion (PubMed:19506252, PubMed:20368174, PubMed:22132962, PubMed:31003562, PubMed:36749388). In kidney, it also functions as a physiological exporter of the uremic toxin indoxyl sulfate (By similarity). Also involved in the excretion of steroids like estrone 3-sulfate/E1S, 3beta-sulfooxy-androst-5-en-17-one/DHEAS, and other sulfate conjugates (PubMed:12682043, PubMed:28554189, PubMed:30405239). Mediates the secretion of the riboflavin and biotin vitamins into milk (By similarity). Extrudes pheophorbide a, a phototoxic porphyrin catabolite of chlorophyll, reducing its bioavailability (By similarity). Plays an important role in the exclusion of xenobiotics from the brain (Probable). It confers to cells a resistance to multiple drugs and other xenobiotics including mitoxantrone, pheophorbide, camptothecin, methotrexate, azidothymidine, and the anthracyclines daunorubicin and doxorubicin, through the control of their efflux (PubMed:11306452, PubMed:12477054, PubMed:15670731, PubMed:18056989, PubMed:31254042). In placenta, it limits the penetration of drugs from the maternal plasma into the fetus (By similarity). May play a role in early stem cell self-renewal by blocking differentiation (By similarity)
- Specific Function
- ABC-type xenobiotic transporter activity
- Gene Name
- ABCG2
- Uniprot ID
- Q9UNQ0
- Uniprot Name
- Broad substrate specificity ATP-binding cassette transporter ABCG2
- Molecular Weight
- 72313.47 Da
References
- Cho E, Montgomery RB, Mostaghel EA: Minireview: SLCO and ABC transporters: a role for steroid transport in prostate cancer progression. Endocrinology. 2014 Nov;155(11):4124-32. doi: 10.1210/en.2014-1337. Epub 2014 Aug 22. [Article]
- Kind
- Protein
- Organism
- Humans
- Pharmacological action
- Unknown
- Actions
- Substrate
- General Function
- ATP-dependent transporter of the ATP-binding cassette (ABC) family that actively extrudes physiological compounds and xenobiotics from cells. Transports a range of endogenous molecules that have a key role in cellular communication and signaling, including cyclic nucleotides such as cyclic AMP (cAMP) and cyclic GMP (cGMP), bile acids, steroid conjugates, urate, and prostaglandins (PubMed:11856762, PubMed:12523936, PubMed:12835412, PubMed:12883481, PubMed:15364914, PubMed:15454390, PubMed:16282361, PubMed:17959747, PubMed:18300232, PubMed:26721430). Mediates the ATP-dependent efflux of glutathione conjugates such as leukotriene C4 (LTC4) and leukotriene B4 (LTB4) too. The presence of GSH is necessary for the ATP-dependent transport of LTB4, whereas GSH is not required for the transport of LTC4 (PubMed:17959747). Mediates the cotransport of bile acids with reduced glutathione (GSH) (PubMed:12523936, PubMed:12883481, PubMed:16282361). Transports a wide range of drugs and their metabolites, including anticancer, antiviral and antibiotics molecules (PubMed:11856762, PubMed:12105214, PubMed:15454390, PubMed:17344354, PubMed:18300232). Confers resistance to anticancer agents such as methotrexate (PubMed:11106685)
- Specific Function
- 15-hydroxyprostaglandin dehydrogenase (NAD+) activity
- Gene Name
- ABCC4
- Uniprot ID
- O15439
- Uniprot Name
- ATP-binding cassette sub-family C member 4
- Molecular Weight
- 149525.33 Da
References
- Cho E, Montgomery RB, Mostaghel EA: Minireview: SLCO and ABC transporters: a role for steroid transport in prostate cancer progression. Endocrinology. 2014 Nov;155(11):4124-32. doi: 10.1210/en.2014-1337. Epub 2014 Aug 22. [Article]
Drug created at June 13, 2005 13:24 / Updated at October 10, 2024 16:25