11-Deoxycortisol

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11-Deoxycortisol
Cortodoxone.svg
Cortodoxone-3D-balls.png
Names
IUPAC name
17α,21-Dihydroxypregn-4-ene-3,20-dione
Systematic IUPAC name
(1R,3aS,3bR,9aR,9bS,11aS)-1-Hydroxy-1-(2-hydroxy-1-oxoethyl)-9a,11a-dimethyl-1,2,3,3a,3b,4,5,8,9,9a,9b,10,11,11a-tetradecahydro-7H-cyclopenta[a]phenanthren-7-one
Other names
11-Deoxycortisol; 11-Deoxycortisone; Cortoxelone; 17α,21-Dihydroxyprogesterone; 11-Desoxycortisol; 11-Deoxyhydrocortisone; 11-Desoxyhydrocortisone; 17α-Hydroxy-11-deoxycorticosterone; Reichstein's Substance S; Compound S; Cortodoxone; Cortexolone,
Identifiers
3D model (JSmol)
ChEBI
ChEMBL
ChemSpider
ECHA InfoCard 100.005.279 OOjs UI icon edit-ltr-progressive.svg
KEGG
PubChem CID
UNII
  • InChI=1S/C21H30O4/c1-19-8-5-14(23)11-13(19)3-4-15-16(19)6-9-20(2)17(15)7-10-21(20,25)18(24)12-22/h11,15-17,22,25H,3-10,12H2,1-2H3/t15-,16+,17+,19+,20+,21+/m1/s1 X mark.svgN
    Key: WHBHBVVOGNECLV-OBQKJFGGSA-N X mark.svgN
  • InChI=1/C21H30O4/c1-19-8-5-14(23)11-13(19)3-4-15-16(19)6-9-20(2)17(15)7-10-21(20,25)18(24)12-22/h11,15-17,22,25H,3-10,12H2,1-2H3/t15-,16+,17+,19+,20+,21+/m1/s1
    Key: WHBHBVVOGNECLV-OBQKJFGGBG
  • O=C4\C=C2/[C@]([C@H]1CC[C@@]3([C@@](O)(C(=O)CO)CC[C@H]3[C@@H]1CC2)C)(C)CC4
Properties
C21H30O4
Molar mass 346.467 g·mol−1
Melting point 215 °C (419 °F; 488 K)
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
X mark.svgN  verify  (what is  Yes check.svgYX mark.svgN ?)

11-Deoxycortisol, also known as cortodoxone (INN), cortexolone [1] [2] [3] [4] as well as 17α,21-dihydroxyprogesterone or 17α,21-dihydroxypregn-4-ene-3,20-dione, [5] is an endogenous glucocorticoid steroid hormone, and a metabolic intermediate toward cortisol. It was first described by Tadeusz Reichstein in 1938 as Substance S, [6] thus has also been referred to as Reichstein's Substance S [5] or Compound S. [7] [8]

Function

Steroidogenesis, showing 11-deoxycortisol in the pathway from cholesterol to cortisol. Steroidogenesis.svg
Steroidogenesis, showing 11-deoxycortisol in the pathway from cholesterol to cortisol.

11-Deoxycortisol acts as a glucocorticoid, though is less potent than cortisol. [10]

11-Deoxycortisol is synthesized from 17α-hydroxyprogesterone by 21-hydroxylase and is converted to cortisol by 11β-hydroxylase.

11-Deoxycortisol in mammals has limited biological activity and mainly acts as metabolic intermediate within the glucocorticoid pathway, leading to cortisol. [11] However, in sea lampreys, an early jawless fish species that originated over 500 million years ago, 11-deoxycortisol plays a crucial role as the primary and ultimate glucocorticoid hormone with mineralocorticoid properties; 11-deoxycortisol also takes part, by binding to specific corticosteroid receptors, in intestinal osmoregulation in sea lamprey at metamorphosis, during which they develop seawater tolerance before downstream migration. [12] Sea lampreys do not possess the 11β-hydroxylase enzyme (CYP11B1) responsible for converting 11-deoxycortisol to cortisol and 11-deoxycorticosterone to corticosterone, as observed in mammals. The absence of this enzyme in sea lampreys indicates the existence of a complex and highly specific corticosteroid signaling pathway that emerged at least 500 million years ago with the advent of early vertebrates. The lack of cortisol and corticosterone in sea lampreys suggests that the presence of the 11β-hydroxylase enzyme may have been absent during the early stages of vertebrate evolution. [13] The absence of cortisol and corticosterone in sea lampreys suggests that the 11β-hydroxylase enzyme may not have been present early in vertebrate evolution. [14]

Clinical significance

11-Deoxycortisol in mammals has limited glucocorticoid activity, but it is the direct precursor of the major mammalian glucocorticoid, cortisol. [15] As a result, the level of 11-deoxycortisol is measured to diagnose impaired cortisol synthesis, to find out the enzyme deficiency that causes impairment along the pathway to cortisol, and to differentiate adrenal disorders. [16]

In 11β-hydroxylase deficiency, 11-deoxycortisol and 11-deoxycorticosterone levels increase, and excess of 11-deoxycorticosterone leads to mineralocorticoid-based hypertension [17] (as opposed to 21-hydroxylase deficiency, in which patients have low blood pressure from a lack of mineralocorticoids). Low levels of cortisol can affect blood pressure by causing a decrease in sodium retention and volume expansion. This is because cortisol plays a role in regulating the balance of water and electrolytes in the body. When cortisol levels are low, there is less sodium reabsorption by the kidneys, leading to increased excretion of sodium through urine. This ultimately reduces blood volume and lowers blood pressure. On the other hand, high levels of cortisol can also affect blood pressure by causing an increase in sodium retention and volume expansion. Cortisol-induced hypertension is accompanied by significant sodium retention, leading to an increase in extracellular fluid volume and exchangeable sodium. This results in an increase in blood volume and subsequently increases blood pressure. The underlying mechanisms for these effects involve various factors such as suppression of the nitric oxide system, alterations in vascular responsiveness to pressor agonists like adrenaline, increased cardiac output or stroke volume due to plasma volume expansion, and potential dysregulation of glucocorticoid receptors or 11β-hydroxylase enzyme activity. It's important to note that these mechanisms may be relevant not only for cortisol-induced hypertension but also for conditions such as Cushing's syndrome (excess cortisol production), apparent mineralocorticoid excess (related to defects in 11β-hydroxylase enzymes), licorice abuse (glycyrrhetinic acid affecting glycyrrhetinic acid receptor), [18] chronic renal failure (prolonged half-life of cortisol due to reduced 11β-hydroxylase activity), and even essential hypertension where there may be abnormalities with 11β-hydroxylase activity or glucocorticoid receptor variations. [19] [20] [21] Low levels of cortisol lead to reduced vascular tone as cortisol helps maintain normal vascular tone by promoting vasoconstriction. Low levels of cortisol can lead to decreased vasoconstriction, resulting in relaxed blood vessels and lower overall blood pressure. Also, low cortisol levels lead to impaired fluid balance, as cortisol affects fluid balance by influencing sodium and water reabsorption in the kidneys. When cortisol levels are low, sodium absorption may be reduced, leading to increased excretion of sodium in the urine and subsequent lowering of blood volume and blood pressure. Additionally, low levels of cortisol cause a dysregulated renin-angiotensin system, as cortisol interacts with the renin-angiotensin system, which regulates blood pressure through vasoconstriction and fluid balance. Low cortisol levels can disrupt this system, leading to altered angiotensin production, reduced aldosterone secretion, and subsequently lower blood pressure. Conversely, high levels of cortisol lead to increased vascular tone, enhanced sodium retention, and increased sympathetic activity. Stress-induced release of high-level glucocorticoids such as cortisol activates the sympathetic nervous system (SNS). The SNS controls heart rate, cardiac output, and vasomotor tone, causing constriction, and thereby increasing peripheral arterial resistance, resulting in an increase in blood pressure. [22] In 11β-hydroxylase deficiency, 11-deoxycortisol can also be converted to androstenedione in a pathway that could explain the increase in androstenedione levels this condition. [23]

In 21-hydroxylase deficiency, 11-deoxycortisol levels are low. [24]

History

In 1934, biochemist Tadeus Reichstein, working in Switzerland, began research on extracts from animal adrenal glands in order to isolate physiologically active compounds. [25] He was publishing results of his findings along the way. By 1944, he already isolated and elucidated the chemical structure of 29 pure substances. [26] He was assigning names that consisted of the word "Substance" and a letter from the Latin alphabet to the newly found substances. In 1938, he published an article about "Substance R" and "Substance S" describing their chemical structures and properties. [6] The Substance S since about 1955 became known as 11-Deoxycortisol. [27]

In 1949, American research chemist Percy Lavon Julian, in looking for ways to produce cortisone, announced the synthesis of the Compound S, from the cheap and readily available pregnenolone (synthesized from the soybean oil sterol stigmasterol). [28] [29]

On 5 April 1952, biochemist Durey Peterson and microbiologist Herbert Murray at Upjohn, published the first report of a breakthrough fermentation process for the microbial 11α-oxygenation of steroids (e.g. progesterone) in a single step by common molds of the order Mucorales. [30] 11α-oxygenation of Compound S produces 11α-hydrocortisone, which can be chemically oxidized to cortisone, or converted by further chemical steps to 11β-hydrocortisone (cortisol).

See also

Related Research Articles

<span class="mw-page-title-main">Adrenal gland</span> Endocrine gland

The adrenal glands are endocrine glands that produce a variety of hormones including adrenaline and the steroids aldosterone and cortisol. They are found above the kidneys. Each gland has an outer cortex which produces steroid hormones and an inner medulla. The adrenal cortex itself is divided into three main zones: the zona glomerulosa, the zona fasciculata and the zona reticularis.

<span class="mw-page-title-main">Corticosteroid</span> Class of steroid hormones

Corticosteroids are a class of steroid hormones that are produced in the adrenal cortex of vertebrates, as well as the synthetic analogues of these hormones. Two main classes of corticosteroids, glucocorticoids and mineralocorticoids, are involved in a wide range of physiological processes, including stress response, immune response, and regulation of inflammation, carbohydrate metabolism, protein catabolism, blood electrolyte levels, and behavior.

<span class="mw-page-title-main">Cortisone</span> Corticosteroid precursor and metabolite of cortisol

Cortisone is a pregnene (21-carbon) steroid hormone. It is a naturally-occurring corticosteroid metabolite that is also used as a pharmaceutical prodrug. Cortisol is converted by the action of the enzyme corticosteroid 11-beta-dehydrogenase isozyme 2 into the inactive metabolite cortisone, particularly in the kidneys. This is done by oxidizing the alcohol group at carbon 11. Cortisone is converted back to the active steroid cortisol by stereospecific hydrogenation at carbon 11 by the enzyme 11β-Hydroxysteroid dehydrogenase type 1, particularly in the liver.

<span class="mw-page-title-main">Adrenal cortex</span> Cortex of the adrenal gland

The adrenal cortex is the outer region and also the largest part of the adrenal gland. It is divided into three separate zones: zona glomerulosa, zona fasciculata and zona reticularis. Each zone is responsible for producing specific hormones. It is also a secondary site of androgen synthesis.

<span class="mw-page-title-main">Aldosterone</span> Mineralocorticoid steroid hormone

Aldosterone is the main mineralocorticoid steroid hormone produced by the zona glomerulosa of the adrenal cortex in the adrenal gland. It is essential for sodium conservation in the kidney, salivary glands, sweat glands, and colon. It plays a central role in the homeostatic regulation of blood pressure, plasma sodium (Na+), and potassium (K+) levels. It does so primarily by acting on the mineralocorticoid receptors in the distal tubules and collecting ducts of the nephron. It influences the reabsorption of sodium and excretion of potassium (from and into the tubular fluids, respectively) of the kidney, thereby indirectly influencing water retention or loss, blood pressure, and blood volume. When dysregulated, aldosterone is pathogenic and contributes to the development and progression of cardiovascular and kidney disease. Aldosterone has exactly the opposite function of the atrial natriuretic hormone secreted by the heart.

<span class="mw-page-title-main">Mineralocorticoid</span> Group of corticosteroids

Mineralocorticoids are a class of corticosteroids, which in turn are a class of steroid hormones. Mineralocorticoids are produced in the adrenal cortex and influence salt and water balances. The primary mineralocorticoid is aldosterone.

<span class="mw-page-title-main">Congenital adrenal hyperplasia due to 11β-hydroxylase deficiency</span> Medical condition

Congenital adrenal hyperplasia due to 11β-hydroxylase deficiency is a form of congenital adrenal hyperplasia (CAH) which produces a higher than normal amount of androgen, resulting from a defect in the gene encoding the enzyme steroid 11β-hydroxylase (11β-OH) which mediates the final step of cortisol synthesis in the adrenal. 11β-OH CAH results in hypertension due to excessive mineralocorticoid effects. It also causes excessive androgen production both before and after birth and can virilize a genetically female fetus or a child of either sex.

<span class="mw-page-title-main">17α-Hydroxyprogesterone</span> Chemical compound

17α-Hydroxyprogesterone (17α-OHP), also known as 17-OH progesterone (17-OHP), or hydroxyprogesterone (OHP), is an endogenous progestogen steroid hormone related to progesterone. It is also a chemical intermediate in the biosynthesis of many other endogenous steroids, including androgens, estrogens, glucocorticoids, and mineralocorticoids, as well as neurosteroids.

11β-Hydroxysteroid dehydrogenase enzymes catalyze the conversion of inert 11 keto-products (cortisone) to active cortisol, or vice versa, thus regulating the access of glucocorticoids to the steroid receptors.

Secondary hypertension is a type of hypertension which has a specific and identifiable underlying primary cause. It is much less common than essential hypertension, affecting only 5-10% of hypertensive patients. It has many different causes including obstructive sleep apnea, kidney disease, endocrine diseases, and tumors. The cause of secondary hypertension varies significantly with age. It also can be a side effect of many medications.

<span class="mw-page-title-main">Apparent mineralocorticoid excess syndrome</span> Medical condition

Apparent mineralocorticoid excess is an autosomal recessive disorder causing hypertension, hypernatremia and hypokalemia. It results from mutations in the HSD11B2 gene, which encodes the kidney isozyme of 11β-hydroxysteroid dehydrogenase type 2. In an unaffected individual, this isozyme inactivates circulating cortisol to the less active metabolite cortisone. The inactivating mutation leads to elevated local concentrations of cortisol in the aldosterone sensitive tissues like the kidney. Cortisol at high concentrations can cross-react and activate the mineralocorticoid receptor due to the non-selectivity of the receptor, leading to aldosterone-like effects in the kidney. This is what causes the hypokalemia, hypertension, and hypernatremia associated with the syndrome. Patients often present with severe hypertension and end-organ changes associated with it like left ventricular hypertrophy, retinal, renal and neurological vascular changes along with growth retardation and failure to thrive. In serum both aldosterone and renin levels are low.

Pseudohyperaldosteronism is a medical condition which mimics the effects of elevated aldosterone (hyperaldosteronism) by presenting with high blood pressure, low blood potassium levels (hypokalemia), metabolic alkalosis, and low levels of plasma renin activity (PRA). However, unlike hyperaldosteronism, this conditions exhibits low or normal levels of aldosterone in the blood. Causes include genetic disorders, acquired conditions, metabolic disorders, and dietary imbalances including excessive consumption of licorice. Confirmatory diagnosis depends on the specific cause and may involve blood tests, urine tests, or genetic testing; however, all forms of this condition exhibit abnormally low concentrations of both plasma renin activity (PRA) and plasma aldosterone concentration (PAC) which differentiates this group of conditions from other forms of secondary hypertension. Treatment is tailored to the specific cause and focuses on symptom control, blood pressure management, and avoidance of triggers.

<span class="mw-page-title-main">11-Deoxycorticosterone</span> Chemical compound

11-Deoxycorticosterone (DOC), or simply deoxycorticosterone, also known as 21-hydroxyprogesterone, as well as desoxycortone (INN), deoxycortone, and cortexone, is a steroid hormone produced by the adrenal gland that possesses mineralocorticoid activity and acts as a precursor to aldosterone. It is an active (Na+-retaining) mineralocorticoid. As its names indicate, 11-deoxycorticosterone can be understood as the 21-hydroxy-variant of progesterone or as the 11-deoxy-variant of corticosterone.

<span class="mw-page-title-main">Mineralocorticoid receptor</span> Nuclear receptor that mediates the effects of the mineralocorticoid hormone Aldosterone

The mineralocorticoid receptor, also known as the aldosterone receptor or nuclear receptor subfamily 3, group C, member 2, (NR3C2) is a protein that in humans is encoded by the NR3C2 gene that is located on chromosome 4q31.1-31.2.

<span class="mw-page-title-main">Aldosterone synthase</span> Protein-coding gene in the species Homo sapiens

Aldosterone synthase, also called steroid 18-hydroxylase, corticosterone 18-monooxygenase or P450C18, is a steroid hydroxylase cytochrome P450 enzyme involved in the biosynthesis of the mineralocorticoid aldosterone and other steroids. The enzyme catalyzes sequential hydroxylations of the steroid angular methyl group at C18 after initial 11β-hydroxylation. It is encoded by the CYP11B2 gene in humans.

<span class="mw-page-title-main">Steroid 11β-hydroxylase</span> Protein found in mammals

Steroid 11β-hydroxylase, also known as steroid 11β-monooxygenase, is a steroid hydroxylase found in the zona glomerulosa and zona fasciculata of the adrenal cortex. Named officially the cytochrome P450 11B1, mitochondrial, it is a protein that in humans is encoded by the CYP11B1 gene. The enzyme is involved in the biosynthesis of adrenal corticosteroids by catalyzing the addition of hydroxyl groups during oxidation reactions.

Glucocorticoid remediable aldosteronism also describable as aldosterone synthase hyperactivity, is an autosomal dominant disorder in which the increase in aldosterone secretion produced by ACTH is no longer transient.

<span class="mw-page-title-main">Roxibolone</span> Chemical compound

Roxibolone (INN), also known as 11β,17β-dihydroxy-17α-methyl-3-oxoandrosta-1,4-diene-2-carboxylic acid, is a steroidal antiglucocorticoid described as an anticholesterolemic (cholesterol-lowering) and anabolic drug which was never marketed. Roxibolone is closely related to formebolone, which shows antiglucocorticoid activity similarly and, with the exception of having a carboxaldehyde group at the C2 position instead of a carboxylic acid group, roxibolone is structurally almost identical to. The 2-decyl ester of roxibolone, decylroxibolone, is a long-acting prodrug of roxibolone with similar activity.

<span class="mw-page-title-main">21-Deoxycortisol</span> Chemical compound

21-Deoxycortisol, also known as 11β,17α-dihydroxyprogesterone or as 11β,17α-dihydroxypregn-4-ene-3,20-dione, is a naturally occurring, endogenous steroid related to cortisol (11β,17α,21-trihydroxyprogesterone) which is formed as a metabolite from 17α-hydroxyprogesterone via 11β-hydroxylase.

<span class="mw-page-title-main">11β-Hydroxyprogesterone</span> Chemical compound

11β-Hydroxyprogesterone (11β-OHP), also known as 21-deoxycorticosterone, as well as 11β-hydroxypregn-4-ene-3,20-dione, is a naturally occurring, endogenous steroid and derivative of progesterone. It is a potent mineralocorticoid. Syntheses of 11β-OHP from progesterone is catalyzed by the steroid 11β-hydroxylase (CYP11B1) enzyme, and, to a lesser extent, by the aldosterone synthase enzyme (CYP11B2).

References

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  28. ↑ "Science gets synthetic key to rare drug; discovery is made in Chicago". Chicago Tribune . 30 September 1949. p. 1. Archived from the original on 31 January 2013. Dr. Julian's new method for synthesizing the anti-arthritis compound, cortisone, is less costly than present methods, because it eliminates the need for utilizing osmium tetroxide, a rare and expensive chemical, the Glidden company declared....But whether has Dr. Julian has also synthesized cortisone from soybeans neither he nor the Glidden company would reveal.
  29. ↑ "News of the week: New cortisone synthesis". Chemical & Engineering News . 27 (41): 2936–2942. 10 October 1949. doi:10.1021/cen-v027n041.p2936. Quote: A new synthesis of cortisone, eliminating the need for expensive osmium tetroxide, and the synthesis of three other compounds related to cortisone, which may possible be useful in the treatment of arthritis, have been announced by Percy L. Julian, director of research of the soya products division of the Glidden Co., Chicago. No statement was made as to further details of the new synthesis, but it was revealed that soybean products were not involved...all three [other compounds] were made from soybean sterols.
  30. ↑ Peterson DH, Murray, HC (1952). "Microbiological oxygenation of steroids at carbon 11". J Am Chem Soc . 74 (7): 1871–2. Bibcode:1952JAChS..74.1871P. doi:10.1021/ja01127a531.
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