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Dehydroepiandrosterone sulfate

(Redirected from Dehydroepiandrosterone sulphate)
This article is about DHEA sulfate as a hormone. For its use as a medication, see Prasterone sulfate.

Dehydroepiandrosterone sulfate, abbreviated as DHEA sulfate or DHEA-S, also known as androstenolone sulfate, is an endogenous androstane steroid that is produced by the adrenal cortex.[1] It is the 3β-sulfate ester and a metabolite of dehydroepiandrosterone (DHEA) and circulates in far greater relative concentrations than DHEA.[2] The steroid is hormonally inert and is instead an important neurosteroid and neurotrophin.[2]

Dehydroepiandrosterone sulfate
Names
IUPAC name
17-Oxoandrost-5-en-3β-yl hydrogen sulfate
Systematic IUPAC name
(3aS,3bR,7S,9aR,9bS,11aS)-9a,11a-Dimethyl-1-oxo-2,3,3a,3b,4,6,7,8,9,9a,9b,10,11,11a-tetradecahydro-1H-cyclopenta[a]phenanthren-7-yl hydrogen sulfate
Other names
Androstenolone sulfate; Prasterone sulfate; Androst-5-en-3β-ol-17-one 3β-sulfate
Identifiers
3D model (JSmol)
Abbreviations DHEA sulfate; DHEA-S; DHEAS
ChemSpider
UNII
  • InChI=1S/C19H28O5S/c1-18-9-7-13(24-25(21,22)23)11-12(18)3-4-14-15-5-6-17(20)19(15,2)10-8-16(14)18/h3,13-16H,4-11H2,1-2H3,(H,21,22,23)/t13-,14-,15-,16-,18-,19-/m0/s1 ☒N
    Key: CZWCKYRVOZZJNM-USOAJAOKSA-N ☒N
  • InChI=1/C19H28O5S/c1-18-9-7-13(24-25(21,22)23)11-12(18)3-4-14-15-5-6-17(20)19(15,2)10-8-16(14)18/h3,13-16H,4-11H2,1-2H3,(H,21,22,23)/t13-,14-,15-,16-,18-,19-/m0/s1
    Key: CZWCKYRVOZZJNM-USOAJAOKBK
  • C[C@]12CC[C@H]3[C@H]([C@@H]1CCC2=O)CC=C4[C@@]3(CC[C@@H](C4)OS(=O)(=O)O)C
Properties
C19H28O5S
Molar mass 368.49 g/mol
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
☒N verify (what is checkY☒N ?)

Biological activity

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Neurosteroid activity

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Similarly to other conjugated steroids, DHEA-S is devoid of hormonal activity, lacking affinity for the steroid hormone receptors.[3][4] However, DHEA-S retains activity as a neurosteroid and neurotrophin.[2] It has been found to act as a positive allosteric modulator of the NMDA receptor (50 nM–1 μM), negative allosteric modulator of the GABAA and glycine receptors, and weak agonist of the sigma-1 receptor (Kd > 50 μM).[2][5] In addition, DHEA-S has been found to directly bind to and activate the TrkA and p75NTR – receptors of neurotrophins like nerve growth factor (NGF) and brain-derived neurotrophic factor (BDNF) – with high affinity (around 5 nM).[2][6][7][8]

Hormonal activity

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Although DHEA-S itself is hormonally inert, it has been thought that it can be converted back into DHEA,[9] which is weakly androgenic and estrogenic, and that DHEA in turn can be transformed into more potent androgens like testosterone and dihydrotestosterone (DHT) as well as estrogens like estradiol.[2][1][10] As such, it has been thought that DHEA-S is a prohormone with the potential for androgenic and estrogenic effects.[2][1][10] However, a 2005 study found that DHEA could be converted into DHEA-S but found no evidence of conversion of DHEA-S into DHEA.[11]

Other activity

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DHEA-S has also been found to inhibit the TRPV1 and TRPC5 transient receptor potential channels and to inhibit the P2X receptor.[5]

Biochemistry

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Comprehensive overview of steroidogenesis, showing DHEA, the precursor of DHEA-S, at left among the androgens.[12]

Biosynthesis

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DHEA and DHEA-S are produced in the zona reticularis of the adrenal cortex under the control of adrenocorticotropic hormone (ACTH).[1] DHEA is synthesized from cholesterol via the enzymes cholesterol side-chain cleavage enzyme (CYP11A1; P450scc) and 17α-hydroxylase/17,20-lyase (CYP17A1), with pregnenolone and 17α-hydroxypregnenolone as intermediates.[13] Then, DHEA-S is formed by sulfation of DHEA at the C3β position via the sulfotransferase enzymes SULT2A1 and to a lesser extent SULT1E1.[13][14][15] Whereas DHEA is derived mostly from the adrenal cortex but is also secreted to a lesser extent by the gonads (10%),[16] DHEA-S is almost exclusively produced and secreted by the adrenal cortex, with 95 to 100% originating from the adrenal cortex in women.[1][17][18] Approximately 10 to 15 mg of DHEA-S is secreted by the adrenal cortex per day in young adults.[19]

Distribution

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Unlike DHEA, which is weakly bound to albumin, DHEA-S is strongly bound to albumin (i.e., with very high affinity), and this is the reason for its much longer comparative terminal half-life.[20][21] In contrast to DHEA, DHEA-S is not bound to any extent to sex hormone-binding globulin (SHBG).[22]

Whereas DHEA easily crosses the blood–brain barrier into the central nervous system,[23] DHEA-S poorly crosses the blood–brain barrier.[24]

Metabolism

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DHEA-S can be converted back into DHEA via steroid sulfatase (STS).[9] In premenopausal women, 40 to 75% of circulating testosterone is derived from peripheral metabolism of DHEA-S, and in postmenopausal women, over 90% of estrogens, mainly estrone, are derived from peripheral metabolism of DHEA-S.[2] A study found that administration of exogenous DHEA-S in women who were pregnant increased circulating levels of estrone and estradiol.[25] DHEA-S serves as a depot for potent androgens like testosterone and dihydrotestosterone in prostate cancer, which fuel the growth of this cancer.[26]

The elimination half-life of DHEA-S is 7 to 10 hours, which is far longer than that of DHEA, which has an elimination half-life of only 15 to 30 minutes.[21]

Elimination

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DHEA-S is excreted in the urine via the kidneys.[27]

Levels

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DHEA-S levels throughout life in humans.[28]

DHEA and DHEA-S are the most abundant circulating steroids in the body.[29] Plasma levels of DHEA-S are 100 or more times higher than those of DHEA, 5 to 10 times higher than those of cortisol, 100 to 500 times those of testosterone, and 1,000 to 10,000 times higher than those of estradiol.[30][3]

Levels of DHEA and DHEA-S vary throughout life.[2][1] They remain low during childhood until adrenarche around 6 to 8 years of age, at which point they markedly increase,[31] eventually peaking at around 20 to 30 years of age.[2][1] From the third decade of life on, DHEA and DHEA-S levels gradually decrease.[29] By the age of 70, levels of DHEA and DHEA-S are 80 to 85% lower than those of young adults, and in people more than 80 years of age, DHEA and DHEA-S levels can reach 80 to 90% lower than those of younger individuals.[29]

DHEA-S levels are higher in men than in women.[2][29]

Reference ranges

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Reference ranges for DHEA-S in females[32]
Tanner stage and average age Lower limit Upper limit Unit
Tanner stage I >14 days 16 96 μg/dL
Tanner stage II 10.5 years 22 184
Tanner stage III 11.6 years <15 296
Tanner stage IV 12.3 years 17 343
Tanner stage V 14.5 years 44 332
18–29 years 44 332
30–39 years 31 228
40–49 years 18 244
50–59 years <15 200
> or =60 years <15 157
Reference ranges for DHEA-S in males[32]
Tanner stage and average age Lower limit Upper limit Unit
Tanner stage I >14 days <15 120 μg/dL
Tanner stage II 11.5 years <15 333
Tanner stage III 13.6 years <15 312
Tanner stage IV 15.1 years 29 412
Tanner stage V 18.0 years 89 457
18–29 years 89 457
30–39 years 65 334
40–49 years 48 244
50–59 years 35 179
> or =60 years 25 131

Medical use

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Deficiency

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The Endocrine Society recommends against the therapeutic use of DHEA-S in both healthy women and those with adrenal insufficiency, as its role is not clear from studies performed so far.[33] The routine use of DHEA-S and other androgens is discouraged in the treatment of women with low androgen levels due to hypopituitarism, adrenal insufficiency, menopause due to ovarian surgery, glucocorticoid use, or other conditions associated with low androgen levels; this is because there are limited data supporting improvement in signs and symptoms with therapy and no long-term studies of risk.[33]

In otherwise elderly women, in whom an age-related fall of DHEA-S may be associated with menopausal symptoms and reduced libido, DHEA-S supplementation cannot currently be said to improve outcomes.[34]

Childbirth

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Main article: Prasterone sulfate

As the sodium salt, prasterone sodium sulfate, DHEA-S is used as a pharmaceutical drug in Japan in the treatment of insufficient cervical ripening and cervical dilation during childbirth.[35][36][37][38][39][40][41]

Diagnostic use

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DHEA-S levels above 1890 μM or 700 to 800 μg/dL are highly suggestive of adrenal dysfunction because DHEA-S is made by the adrenal glands[42][43] and also synthesized in the brain.[44] The presence of DHEA-S is therefore used to rule out ovarian or testicular origin of excess androgen.

Women with hirsutism commonly present with mildly elevated DHEA-S levels.[45] Common etiologies for hirsutism include ovarian dysfunction (polycystic ovary syndrome) and adrenal dysfunction (congenital adrenal hyperplasia, cushing's syndrome, androgen secreting tumors); 90% of these cases are caused by PCOS or are idiopathic in nature.[45] However, severely increased DHEA-S levels (>700 μg/dL) necessitate further workup and are almost stem from benign or malignant adrenal alterations.[45]

Chemistry

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See also: List of neurosteroids

DHEA-S, also known as androst-5-en-3β-ol-17-one 3β-sulfate, is a naturally occurring androstane steroid and the C3β sulfate ester of DHEA.

References

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  1. ^ a b c d e f g Risto Erkkola (2006). The Menopause. Elsevier. pp. 5–. ISBN 978-0-444-51830-9.
  2. ^ a b c d e f g h i j k Prough RA, Clark BJ, Klinge CM (2016). "Novel mechanisms for DHEA action". J. Mol. Endocrinol. 56 (3): R139–55. doi:10.1530/JME-16-0013. PMID 26908835.
  3. ^ a b Walter K.H. Krause (30 November 2008). Cutaneous Manifestations of Endocrine Diseases. Springer Science & Business Media. pp. 79–. ISBN 978-3-540-88367-8. Plasma DHEA-S levels in adult men and women are 100-500 times higher than those of testosterone and 1000-10000 times higher than those of estradiol.
  4. ^ Mo Q, Lu SF, Simon NG (2006). "Dehydroepiandrosterone and its metabolites: differential effects on androgen receptor trafficking and transcriptional activity". J. Steroid Biochem. Mol. Biol. 99 (1): 50–8. doi:10.1016/j.jsbmb.2005.11.011. PMID 16524719. S2CID 30489004.
  5. ^ a b Steven R. King (9 November 2012). Neurosteroids and the Nervous System. Springer Science & Business Media. pp. 1, 12. ISBN 978-1-4614-5559-2.
  6. ^ Lazaridis I, Charalampopoulos I, Alexaki VI, Avlonitis N, Pediaditakis I, Efstathopoulos P, Calogeropoulou T, Castanas E, Gravanis A (2011). "Neurosteroid dehydroepiandrosterone interacts with nerve growth factor (NGF) receptors, preventing neuronal apoptosis". PLOS Biol. 9 (4): e1001051. doi:10.1371/journal.pbio.1001051. PMC 3082517. PMID 21541365.
  7. ^ Pediaditakis I, Iliopoulos I, Theologidis I, Delivanoglou N, Margioris AN, Charalampopoulos I, Gravanis A (2015). "Dehydroepiandrosterone: an ancestral ligand of neurotrophin receptors". Endocrinology. 156 (1): 16–23. doi:10.1210/en.2014-1596. PMID 25330101.
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  25. ^ Nguyen AD, Conley AJ (2008). "Adrenal androgens in humans and nonhuman primates: production, zonation and regulation". Endocr Dev. Endocrine Development. 13: 33–54. doi:10.1159/000134765. ISBN 978-3-8055-8580-4. PMID 18493132.
  26. ^ Penning TM (2018). "Dehydroepiandrosterone (DHEA)-SO4 Depot and Castration-Resistant Prostate Cancer". Vitam. Horm. Vitamins and Hormones. 108: 309–331. doi:10.1016/bs.vh.2018.01.007. ISBN 9780128143612. PMC 6226251. PMID 30029732.
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  30. ^ Abraham Weizman (1 February 2008). Neuroactive Steroids in Brain Function, Behavior and Neuropsychiatric Disorders: Novel Strategies for Research and Treatment. Springer Science & Business Media. pp. 261–. ISBN 978-1-4020-6854-6.
  31. ^ Douglas T. Carrell; C. Matthew Peterson (23 March 2010). Reproductive Endocrinology and Infertility: Integrating Modern Clinical and Laboratory Practice. Springer Science & Business Media. pp. 158–. ISBN 978-1-4419-1436-1.
  32. ^ a b Dehydroepiandrosterone Sulfate (DHEA-S), Serum Archived 2018-03-14 at the Wayback Machine at Mayo Foundation For Medical Education And Research. Retrieved July 2012
  33. ^ a b Wierman, Margaret E.; Arlt, Wiebke; Basson, Rosemary; Davis, Susan R.; Miller, Karen K.; Murad, Mohammad H.; Rosner, William; Santoro, Nanette (2014). "Androgen Therapy in Women: A Reappraisal: An Endocrine Society Clinical Practice Guideline". The Journal of Clinical Endocrinology & Metabolism. 99 (10): 3489–510. doi:10.1210/jc.2014-2260. PMID 25279570.
  34. ^ Elraiyah, Tarig; Sonbol, Mohamad Bassam; Wang, Zhen; Khairalseed, Tagwa; Asi, Noor; Undavalli, Chaitanya; Nabhan, Mohammad; Altayar, Osama; Prokop, Larry; Montori, Victor M.; Murad, Mohammad Hassan (2014). "The Benefits and Harms of Systemic Dehydroepiandrosterone (DHEA) in Postmenopausal Women With Normal Adrenal Function: A Systematic Review and Meta-analysis". The Journal of Clinical Endocrinology & Metabolism. 99 (10): 3536–42. doi:10.1210/jc.2014-2261. PMC 5393492. PMID 25279571.
  35. ^ J. Elks (14 November 2014). The Dictionary of Drugs: Chemical Data: Chemical Data, Structures and Bibliographies. Springer. pp. 641–. ISBN 978-1-4757-2085-3.
  36. ^ John W. Blunt; Murray H. G. Munro (19 September 2007). Dictionary of Marine Natural Products with CD-ROM. CRC Press. pp. 1075–. ISBN 978-0-8493-8217-8.
  37. ^ A. Kleemann; J. Engel; B. Kutscher; D. Reichert (14 May 2014). Pharmaceutical Substances, 5th Edition, 2009: Syntheses, Patents and Applications of the most relevant APIs. Thieme. pp. 2441–2442. ISBN 978-3-13-179525-0.
  38. ^ Martin Negwer; Hans-Georg Scharnow (2001). Organic-chemical drugs and their synonyms: (an international survey). Wiley-VCH. p. 1831. ISBN 978-3-527-30247-5. 3β-Hydroxyandrost-5-en-17-one hydrogen sulfate = (3β)-3-(Sulfooxy)androst-5-en-17-one. R: Sodium salt (1099-87-2). S: Astenile, Dehydroepiandrosterone sulfate sodium, DHA-S, DHEAS, KYH 3102, Mylis, PB 005, Prasterone sodium sulfate, Teloin
  39. ^ Jianqiu Y (1992). "Clinical Application of Prasterone Sodium Sulfate". Chinese Journal of New Drugs. 5: 015.
  40. ^ Sakaguchi M, Sakai T, Adachi Y, Kawashima T, Awata N (1992). "The biological fate of sodium prasterone sulfate after vaginal administration. I. Absorption and excretion in rats". J. Pharmacobio-Dyn. 15 (2): 67–73. doi:10.1248/bpb1978.15.67. PMID 1403604.
  41. ^ Sakai, Takanori; Sakaguchi, Minoru; Adachi, Yoshiko; Kawashima, Tsuneo; Awata, Norio (1992). "The Biological Fate of Sodium Prasterone Sulfate after Vaginal Administration II: Distribution after Single and Multiple Administration to Pregnant Rats". 薬物動態. 7 (1): 87–101. doi:10.2133/dmpk.7.87.
  42. ^ Somani N, Harrison S, Bergfeld WF (2008). "The clinical evaluation of hirsutism". Dermatologic Therapy. 21 (5): 376–91. doi:10.1111/j.1529-8019.2008.00219.x. PMID 18844715. S2CID 34029116.
  43. ^ "Polycystic Ovarian Syndrome Workup". eMedicine. 25 October 2011. Retrieved 19 November 2011.
  44. ^ Vaudry, H.; Do Rego, J. L.; Burel, D.; Luu-The, V.; Pelletier, G.; Vaudry, D.; Tsutsui, K. (2011). "Neurosteroid Biosynthesis in the Brain of Amphibians". Frontiers in Endocrinology. 2: 79. doi:10.3389/fendo.2011.00079. PMC 3355965. PMID 22649387.
  45. ^ a b c Sachdeva, Silonie (2010). "Hirsutism: Evaluation and Treatment". Indian Journal of Dermatology. 55. 1 (1): 3–7. doi:10.4103/0019-5154.60342. PMC 2856356. PMID 20418968.
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