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Androstenediol

From Wikipedia, the free encyclopedia
Chemical compound
This article is about androstenediol the hormone. For other uses, seeAndrostenediol (disambiguation).
Not to be confused withandrostanedione,androstanediol,androstenedione, orandrostadienol.
Pharmaceutical compound
Androstenediol
Clinical data
Other namesA5; Δ5-Diol; Androstenediol; Androst-5-ene-3β,17β-diol; Hermaphrodiol; HE2100
Routes of
administration
By mouth
Drug classAndrogen;Anabolic steroid
Identifiers
  • (3S,8R,9S,10R,13S,14S,17S)-10,13-dimethyl-2,3,4,7,8,9,11,12,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthrene-3,17-diol
CAS Number
PubChemCID
DrugBank
ChemSpider
UNII
KEGG
ChEBI
ChEMBL
CompTox Dashboard(EPA)
ECHA InfoCard100.007.553Edit this at Wikidata
Chemical and physical data
FormulaC19H30O2
Molar mass290.447 g·mol−1
3D model (JSmol)
  • O[C@@H]4C/C3=C/C[C@@H]1[C@H](CC[C@@]2([C@@H](O)CC[C@@H]12)C)[C@@]3(C)CC4
  • InChI=1S/C19H30O2/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/h3,13-17,20-21H,4-11H2,1-2H3/t13-,14-,15-,16-,17-,18-,19-/m0/s1 checkY
  • Key:QADHLRWLCPCEKT-LOVVWNRFSA-N checkY
  (verify)

Androstenediol, or5-androstenediol (abbreviated asA5 orΔ5-diol), also known asandrost-5-ene-3β,17β-diol, is anendogenous weakandrogen andestrogensteroid hormone andintermediate in thebiosynthesis oftestosterone fromdehydroepiandrosterone (DHEA). It is closely related toandrostenedione (androst-4-ene-3,17-dione).

Biological activity

[edit]

Androstenediol is a directmetabolite of the most abundantsteroid produced by the humanadrenal cortex, DHEA. It is lessandrogenic than the related compound,Δ4-androstenediol, and has been found to stimulate theimmune system. When administered torats, androstenediol,in vivo, has approximately 1.4% of theandrogenicity of DHEA, 0.54% of the androgenicity ofandrostenedione, and 0.21% of the androgenicity of testosterone.[1]

Androstenediol possesses potentestrogenic activity, similarly to DHEA and3β-androstanediol.[2] It has approximately 6% and 17% of theaffinity of estradiol at theERα andERβ, respectively.[3] Although androstenediol has far lower affinity for the ERs compared to the major estrogenestradiol, it circulates at approximately 100-fold higher concentrations, and so is thought may play a significant role as an estrogen in the body.[4]

Affinities of estrogen receptor ligands for the ERα and ERβ
LigandOther namesRelative binding affinities (RBA, %)aAbsolute binding affinities (Ki, nM)aAction
ERαERβERαERβ
EstradiolE2; 17β-Estradiol1001000.115 (0.04–0.24)0.15 (0.10–2.08)Estrogen
EstroneE1; 17-Ketoestradiol16.39 (0.7–60)6.5 (1.36–52)0.445 (0.3–1.01)1.75 (0.35–9.24)Estrogen
EstriolE3; 16α-OH-17β-E212.65 (4.03–56)26 (14.0–44.6)0.45 (0.35–1.4)0.7 (0.63–0.7)Estrogen
EstetrolE4; 15α,16α-Di-OH-17β-E24.03.04.919Estrogen
Alfatradiol17α-Estradiol20.5 (7–80.1)8.195 (2–42)0.2–0.520.43–1.2Metabolite
16-Epiestriol16β-Hydroxy-17β-estradiol7.795 (4.94–63)50??Metabolite
17-Epiestriol16α-Hydroxy-17α-estradiol55.45 (29–103)79–80??Metabolite
16,17-Epiestriol16β-Hydroxy-17α-estradiol1.013??Metabolite
2-Hydroxyestradiol2-OH-E222 (7–81)11–352.51.3Metabolite
2-Methoxyestradiol2-MeO-E20.0027–2.01.0??Metabolite
4-Hydroxyestradiol4-OH-E213 (8–70)7–561.01.9Metabolite
4-Methoxyestradiol4-MeO-E22.01.0??Metabolite
2-Hydroxyestrone2-OH-E12.0–4.00.2–0.4??Metabolite
2-Methoxyestrone2-MeO-E1<0.001–<1<1??Metabolite
4-Hydroxyestrone4-OH-E11.0–2.01.0??Metabolite
4-Methoxyestrone4-MeO-E1<1<1??Metabolite
16α-Hydroxyestrone16α-OH-E1; 17-Ketoestriol2.0–6.535??Metabolite
2-Hydroxyestriol2-OH-E32.01.0??Metabolite
4-Methoxyestriol4-MeO-E31.01.0??Metabolite
Estradiol sulfateE2S; Estradiol 3-sulfate<1<1??Metabolite
Estradiol disulfateEstradiol 3,17β-disulfate0.0004???Metabolite
Estradiol 3-glucuronideE2-3G0.0079???Metabolite
Estradiol 17β-glucuronideE2-17G0.0015???Metabolite
Estradiol 3-gluc. 17β-sulfateE2-3G-17S0.0001???Metabolite
Estrone sulfateE1S; Estrone 3-sulfate<1<1>10>10Metabolite
Estradiol benzoateEB; Estradiol 3-benzoate10???Estrogen
Estradiol 17β-benzoateE2-17B11.332.6??Estrogen
Estrone methyl etherEstrone 3-methyl ether0.145???Estrogen
ent-Estradiol1-Estradiol1.31–12.349.44–80.07??Estrogen
Equilin7-Dehydroestrone13 (4.0–28.9)13.0–490.790.36Estrogen
Equilenin6,8-Didehydroestrone2.0–157.0–200.640.62Estrogen
17β-Dihydroequilin7-Dehydro-17β-estradiol7.9–1137.9–1080.090.17Estrogen
17α-Dihydroequilin7-Dehydro-17α-estradiol18.6 (18–41)14–320.240.57Estrogen
17β-Dihydroequilenin6,8-Didehydro-17β-estradiol35–6890–1000.150.20Estrogen
17α-Dihydroequilenin6,8-Didehydro-17α-estradiol20490.500.37Estrogen
Δ8-Estradiol8,9-Dehydro-17β-estradiol68720.150.25Estrogen
Δ8-Estrone8,9-Dehydroestrone19320.520.57Estrogen
EthinylestradiolEE; 17α-Ethynyl-17β-E2120.9 (68.8–480)44.4 (2.0–144)0.02–0.050.29–0.81Estrogen
MestranolEE 3-methyl ether?2.5??Estrogen
MoxestrolRU-2858; 11β-Methoxy-EE35–435–200.52.6Estrogen
Methylestradiol17α-Methyl-17β-estradiol7044??Estrogen
DiethylstilbestrolDES; Stilbestrol129.5 (89.1–468)219.63 (61.2–295)0.040.05Estrogen
HexestrolDihydrodiethylstilbestrol153.6 (31–302)60–2340.060.06Estrogen
DienestrolDehydrostilbestrol37 (20.4–223)56–4040.050.03Estrogen
Benzestrol (B2)114???Estrogen
ChlorotrianiseneTACE1.74?15.30?Estrogen
TriphenylethyleneTPE0.074???Estrogen
TriphenylbromoethyleneTPBE2.69???Estrogen
TamoxifenICI-46,4743 (0.1–47)3.33 (0.28–6)3.4–9.692.5SERM
Afimoxifene4-Hydroxytamoxifen; 4-OHT100.1 (1.7–257)10 (0.98–339)2.3 (0.1–3.61)0.04–4.8SERM
Toremifene4-Chlorotamoxifen; 4-CT??7.14–20.315.4SERM
ClomifeneMRL-4125 (19.2–37.2)120.91.2SERM
CyclofenilF-6066; Sexovid151–152243??SERM
NafoxidineU-11,000A30.9–44160.30.8SERM
Raloxifene41.2 (7.8–69)5.34 (0.54–16)0.188–0.5220.2SERM
ArzoxifeneLY-353,381??0.179?SERM
LasofoxifeneCP-336,15610.2–16619.00.229?SERM
OrmeloxifeneCentchroman??0.313?SERM
Levormeloxifene6720-CDRI; NNC-460,0201.551.88??SERM
OspemifeneDeaminohydroxytoremifene0.82–2.630.59–1.22??SERM
Bazedoxifene??0.053?SERM
EtacstilGW-56384.3011.5??SERM
ICI-164,38463.5 (3.70–97.7)1660.20.08Antiestrogen
FulvestrantICI-182,78043.5 (9.4–325)21.65 (2.05–40.5)0.421.3Antiestrogen
PropylpyrazoletriolPPT49 (10.0–89.1)0.120.4092.8ERα agonist
16α-LE216α-Lactone-17β-estradiol14.6–570.0890.27131ERα agonist
16α-Iodo-E216α-Iodo-17β-estradiol30.22.30??ERα agonist
MethylpiperidinopyrazoleMPP110.05??ERα antagonist
DiarylpropionitrileDPN0.12–0.256.6–1832.41.7ERβ agonist
8β-VE28β-Vinyl-17β-estradiol0.3522.0–8312.90.50ERβ agonist
PrinaberelERB-041; WAY-202,0410.2767–72??ERβ agonist
ERB-196WAY-202,196?180??ERβ agonist
ErteberelSERBA-1; LY-500,307??2.680.19ERβ agonist
SERBA-2??14.51.54ERβ agonist
Coumestrol9.225 (0.0117–94)64.125 (0.41–185)0.14–80.00.07–27.0Xenoestrogen
Genistein0.445 (0.0012–16)33.42 (0.86–87)2.6–1260.3–12.8Xenoestrogen
Equol0.2–0.2870.85 (0.10–2.85)??Xenoestrogen
Daidzein0.07 (0.0018–9.3)0.7865 (0.04–17.1)2.085.3Xenoestrogen
Biochanin A0.04 (0.022–0.15)0.6225 (0.010–1.2)1748.9Xenoestrogen
Kaempferol0.07 (0.029–0.10)2.2 (0.002–3.00)??Xenoestrogen
Naringenin0.0054 (<0.001–0.01)0.15 (0.11–0.33)??Xenoestrogen
8-Prenylnaringenin8-PN4.4???Xenoestrogen
Quercetin<0.001–0.010.002–0.040??Xenoestrogen
Ipriflavone<0.01<0.01??Xenoestrogen
Miroestrol0.39???Xenoestrogen
Deoxymiroestrol2.0???Xenoestrogen
β-Sitosterol<0.001–0.0875<0.001–0.016??Xenoestrogen
Resveratrol<0.001–0.0032???Xenoestrogen
α-Zearalenol48 (13–52.5)???Xenoestrogen
β-Zearalenol0.6 (0.032–13)???Xenoestrogen
Zeranolα-Zearalanol48–111???Xenoestrogen
Taleranolβ-Zearalanol16 (13–17.8)140.80.9Xenoestrogen
ZearalenoneZEN7.68 (2.04–28)9.45 (2.43–31.5)??Xenoestrogen
ZearalanoneZAN0.51???Xenoestrogen
Bisphenol ABPA0.0315 (0.008–1.0)0.135 (0.002–4.23)19535Xenoestrogen
EndosulfanEDS<0.001–<0.01<0.01??Xenoestrogen
KeponeChlordecone0.0069–0.2???Xenoestrogen
o,p'-DDT0.0073–0.4???Xenoestrogen
p,p'-DDT0.03???Xenoestrogen
Methoxychlorp,p'-Dimethoxy-DDT0.01 (<0.001–0.02)0.01–0.13??Xenoestrogen
HPTEHydroxychlor;p,p'-OH-DDT1.2–1.7???Xenoestrogen
TestosteroneT; 4-Androstenolone<0.0001–<0.01<0.002–0.040>5000>5000Androgen
DihydrotestosteroneDHT; 5α-Androstanolone0.01 (<0.001–0.05)0.0059–0.17221–>500073–1688Androgen
Nandrolone19-Nortestosterone; 19-NT0.010.2376553Androgen
DehydroepiandrosteroneDHEA; Prasterone0.038 (<0.001–0.04)0.019–0.07245–1053163–515Androgen
5-AndrostenediolA5; Androstenediol6173.60.9Androgen
4-Androstenediol0.50.62319Androgen
4-AndrostenedioneA4; Androstenedione<0.01<0.01>10000>10000Androgen
3α-Androstanediol3α-Adiol0.070.326048Androgen
3β-Androstanediol3β-Adiol3762Androgen
Androstanedione5α-Androstanedione<0.01<0.01>10000>10000Androgen
Etiocholanedione5β-Androstanedione<0.01<0.01>10000>10000Androgen
Methyltestosterone17α-Methyltestosterone<0.0001???Androgen
Ethinyl-3α-androstanediol17α-Ethynyl-3α-adiol4.0<0.07??Estrogen
Ethinyl-3β-androstanediol17α-Ethynyl-3β-adiol505.6??Estrogen
ProgesteroneP4; 4-Pregnenedione<0.001–0.6<0.001–0.010??Progestogen
NorethisteroneNET; 17α-Ethynyl-19-NT0.085 (0.0015–<0.1)0.1 (0.01–0.3)1521084Progestogen
Norethynodrel5(10)-Norethisterone0.5 (0.3–0.7)<0.1–0.221453Progestogen
Tibolone7α-Methylnorethynodrel0.5 (0.45–2.0)0.2–0.076??Progestogen
Δ4-Tibolone7α-Methylnorethisterone0.069–<0.10.027–<0.1??Progestogen
3α-Hydroxytibolone2.5 (1.06–5.0)0.6–0.8??Progestogen
3β-Hydroxytibolone1.6 (0.75–1.9)0.070–0.1??Progestogen
Footnotes:a = (1)Binding affinity values are of the format "median (range)" (# (#–#)), "range" (#–#), or "value" (#) depending on the values available. The full sets of values within the ranges can be found in the Wiki code. (2) Binding affinities were determined via displacement studies in a variety ofin-vitro systems withlabeled estradiol and humanERα andERβ proteins (except the ERβ values from Kuiper et al. (1997), which are rat ERβ).Sources: See template page.

Chemistry

[edit]
See also:List of androgens/anabolic steroids § Testosterone derivatives, andList of androgen esters § Esters of other natural AAS

Androstenediol, also known as androst-5-ene-3β,17β-diol, is anaturally occurringandrostanesteroid.[5] It is closely related structurally toandrostenedione (A4; androst-4-ene-3,17-dione),dehydroepiandrosterone (DHEA; androst-5-en-3β-ol-17-one), andtestosterone (androst-4-en-17β-ol-3-one), as well as to3β-androstanediol (5α-androstane-3β,17β-diol).[5]

Derivatives andanalogues of androstenediol, such as the17α-substitutedmethandriol (17α-methylandrostenediol) andethinylandrostenediol (17α-ethynylandrostenediol) as well as the naturally occurring19-norandrostane derivativenorandostenediol (19-nor-5-androstenediol), have beensynthesized and studied. Methandriol and itsesters areandrogens andanabolic steroids while ethinylandrostenediol is an estrogen.

Research

[edit]

Radiation countermeasure

[edit]

Androstenediol has been investigated for use as a radiation countermeasure. Its value as a radiation countermeasure is based mainly on its stimulation of production ofwhite blood cells andplatelets.[6] Its potential use as aradiation countermeasure was developed by theArmed Forces Radiobiology Research Institute (AFRRI) and subsequently studied by AFRRI and Hollis-Eden Pharmaceuticals under the proposed brand name Neumune for the treatment ofacute radiation syndrome.[6][7]

Theclinical trials withrhesus monkeys were successful. According to the Hollis-Eden report, only 12.5% of the 40 Neumune-treated animals died versus 32.5% in theplacebo group.[8]

Hollis-Eden had applied for a contract from the U.S. Government under the BioShield Request for Proposals (RFP) for radiation countermeasures. After being encouraged for 2.5 years that Neumune was in the competitive range, on March 9, 2007, the RFP was canceled byHHS. According to HHS, "the product was no longer in the competitive range".[9][10] No further explanation was given. As a result, Hollis-Eden has now withdrawn from the radiation countermeasure field.

Additional images

[edit]
Steroidogenesis, with androstenediol at bottom left.

References

[edit]
  1. ^Coffey DS (1988). "Androgen action and the sex accessory tissues". In Knobil E, Neill J (eds.).The Physiology of Reproduction. New York: Raven Press. pp. 1081–1119.
  2. ^Hackenberg R, Turgetto I, Filmer A, Schulz KD (November 1993). "Estrogen and androgen receptor mediated stimulation and inhibition of proliferation by androst-5-ene-3 beta,17 beta-diol in human mammary cancer cells".The Journal of Steroid Biochemistry and Molecular Biology.46 (5):597–603.doi:10.1016/0960-0760(93)90187-2.PMID 8240982.S2CID 54256515.
  3. ^Kuiper GG, Carlsson B, Grandien K, Enmark E, Häggblad J, Nilsson S, Gustafsson JA (March 1997)."Comparison of the ligand binding specificity and transcript tissue distribution of estrogen receptors alpha and beta".Endocrinology.138 (3):863–870.doi:10.1210/endo.138.3.4979.PMID 9048584.
  4. ^Bradbury R (30 January 2007).Cancer. Springer Science & Business Media. pp. 43–.ISBN 978-3-540-33120-9.
  5. ^abElks J (14 November 2014).The Dictionary of Drugs: Chemical Data: Chemical Data, Structures and Bibliographies. Springer. pp. 86–.ISBN 978-1-4757-2085-3.
  6. ^abWhitnall MH, Elliott TB, Harding RA, Inal CE, Landauer MR, Wilhelmsen CL, McKinney L, Miner VL, Jackson WE 3rd, Loria RM, Ledney GD, Seed TM (2000). "Androstenediol stimulates myelopoiesis and enhances resistance to infection in gamma-irradiated mice".Int. J. Immunopharmacol.22 (1):1–14.doi:10.1016/s0192-0561(99)00059-4.PMID 10684984.
  7. ^Grace MB, Singh VK, Rhee JG, Jackson WE 3rd, Kao TC, Whitnall MH (2012)."5-AED enhances survival of irradiated mice in a G-CSF-dependent manner, stimulates innate immune cell function, reduces radiation-induced DNA damage and induces genes that modulate cell cycle progression and apoptosis".J. Radiat. Res.53 (6):840–853.doi:10.1093/jrr/rrs060.PMC 3483857.PMID 22843381.
  8. ^Hollis-Eden Pharmaceuticals Reports Publication of Results Demonstrating the Ability of NEUMUNE(R) to Increase Survival in a Primate Model of Lethal Radiation Injury, February 26, 2007.
  9. ^Government Nukes Hollis-Eden's Radiation Drug, by Val Brickates Kennedy and Angela Moore, March 8, 2007
  10. ^US cancels radiation contract with Hollis-EdenArchived 2007-09-12 atarchive.today, March 9, 2007


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ARTooltip Androgen receptor
Agonists
SARMsTooltip Selective androgen receptor modulator
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ERTooltip Estrogen receptor
Agonists
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(SERMsTooltip Selective estrogen receptor modulators)
Antagonists
GPERTooltip G protein-coupled estrogen receptor
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CARTooltip Constitutive androstane receptor
PXRTooltip Pregnane X receptor
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