• Thumbnail for 21-Hydroxylase
    Steroid 21-hydroxylase is a protein that in humans is encoded by the CYP21A2 gene. The protein is an enzyme that hydroxylates steroids at the C21 position...
    50 KB (5,618 words) - 05:35, 28 March 2024
  • Thumbnail for Congenital adrenal hyperplasia due to 21-hydroxylase deficiency
    Congenital adrenal hyperplasia due to 21-hydroxylase deficiency (CAH) is a genetic disorder characterized by impaired production of cortisol in the adrenal...
    176 KB (20,560 words) - 13:46, 26 April 2024
  • resulting in corresponding activity changes in the associated P450c21 (21-hydroxylase) enzyme which ultimately leads to excessive androgen production. Other...
    43 KB (4,673 words) - 17:06, 28 March 2024
  • Thumbnail for Congenital adrenal hyperplasia
    (95% of cases)involves the gene for 21-hydroxylase, which is found on 6p21.3 as part of the HLA complex; 21-hydroxylase deficiency results from a unique...
    43 KB (4,403 words) - 15:41, 30 March 2024
  • Thumbnail for 21-Deoxycortisol
    cortisol (11β,17α,21-trihydroxyprogesterone) which is formed as a metabolite from 17α-hydroxyprogesterone via 11β-hydroxylase. 21-deoxycortisol is a...
    14 KB (1,448 words) - 18:29, 20 February 2024
  • Thumbnail for 11β-Hydroxyprogesterone
    increased levels of 11β-OHP occur in 21-hydroxylase deficiency. A study in 2017 has shown that in subjects with 21-hydroxylase deficiency, serum 11β-OHP concentrations...
    14 KB (1,490 words) - 00:15, 11 April 2024
  • Thumbnail for Congenital adrenal hyperplasia due to 11β-hydroxylase deficiency
    Congenital adrenal hyperplasia due to 11β-hydroxylase deficiency is a form of congenital adrenal hyperplasia (CAH) which produces a higher than normal...
    10 KB (1,022 words) - 22:55, 5 January 2024
  • Thumbnail for Steroid 11β-hydroxylase
    Steroid 11β-hydroxylase, also known as steroid 11β-monooxygenase, is a steroid hydroxylase found in the zona glomerulosa and zona fasciculata of the adrenal...
    24 KB (2,630 words) - 22:31, 10 April 2024
  • Thumbnail for Addison's disease
    hyperplasia is the most common (in various forms: 21-hydroxylase, 17α-hydroxylase, 11β-hydroxylase and 3β-hydroxysteroid dehydrogenase), lipoid CAH due...
    43 KB (4,252 words) - 19:54, 2 May 2024
  • Thumbnail for Hydrocortisone
    of patients with the classic congenital adrenal hyperplasia due to 21-hydroxylase deficiency]". Arq Bras Endocrinol Metabol (in Portuguese). 52 (1): 101–8...
    29 KB (2,269 words) - 02:39, 8 March 2024
  • Thumbnail for Metyrapone
    Metyrapone (category 21-Hydroxylase inhibitors)
    plasma cortisol less than 220 nmol/L indicates adequate inhibition of 11β-hydroxylase. In patients with intact Hypothalamo-pituitary-adrenal axis, CRH and...
    6 KB (573 words) - 02:20, 30 November 2023
  • Thumbnail for Adrenal insufficiency
    hyperplasia is the most common (in various forms: 21-hydroxylase, 17α-hydroxylase, 11β-hydroxylase and 3β-hydroxysteroid dehydrogenase), lipoid CAH due...
    39 KB (3,543 words) - 03:36, 6 April 2024
  • Thumbnail for Diathesis–stress model
    prevalence are not known, but common genetic variants of the human Steroid 21-Hydroxylase Gene (CYP21A2) are related to differences in circulating hormone levels...
    25 KB (2,845 words) - 18:13, 21 April 2024
  • Thumbnail for Tioconazole
    Tioconazole (category 21-Hydroxylase inhibitors)
    Tioconazole is an antifungal medication of the imidazole class used to treat infections caused by a fungus or yeast. It is marketed under the brand names...
    4 KB (242 words) - 17:31, 30 April 2024
  • Thumbnail for Adrenal gland
    common form of congenital adrenal hyperplasia is due to 21-hydroxylase deficiency. 21-hydroxylase is necessary for production of both mineralocorticoids...
    49 KB (5,621 words) - 10:40, 5 March 2024
  • Thumbnail for Intersex
    Auchus RJ (September 2020). "Congenital Adrenal Hyperplasia Due to 21-Hydroxylase Deficiency". The New England Journal of Medicine. 383 (13): 1248–1261...
    153 KB (14,288 words) - 03:13, 4 May 2024
  • Thumbnail for Hirsutism
    such as in congenital adrenal hyperplasia, most commonly caused by 21-hydroxylase deficiency. Acromegaly and gigantism (growth hormone and IGF-1 excess)...
    32 KB (2,913 words) - 05:09, 10 April 2024
  • Thumbnail for Ketoconazole
    Ketoconazole (category 21-Hydroxylase inhibitors)
    cholesterol to pregnenolone, 17α-hydroxylase and 17,20-lyase, which convert pregnenolone into androgens, and 11β-hydroxylase, which converts 11-deoxycortisol...
    50 KB (4,374 words) - 18:23, 30 April 2024
  • Thumbnail for Clotrimazole
    Clotrimazole (category 21-Hydroxylase inhibitors)
    Clc1ccccc1C(c2ccccc2)(c3ccccc3)n4ccnc4 InChI InChI=1S/C22H17ClN2/c23-21-14-8-7-13-20(21)22(25-16-15-24-17-25,18-9-3-1-4-10-18)19-11-5-2-6-12-19/h1-17H Y...
    17 KB (1,422 words) - 11:09, 27 April 2024
  • Thumbnail for Digit ratio
    and fourth-digit lengths and congenital adrenal hyperplasia due to 21-hydroxylase deficiency". Early Human Development. 70 (1–2): 47–54. doi:10...
    64 KB (7,515 words) - 06:03, 28 April 2024
  • Thumbnail for Diazepam
    Diazepam (category 21-Hydroxylase inhibitors)
    Carey Dean Moore, the first death row inmate executed in Nebraska in over 21 years. Diazepam is used as a short-term sedative and anxiolytic for cats and...
    102 KB (9,983 words) - 08:37, 1 May 2024
  • Thumbnail for Progesterone
    hydroxylated via 17α-hydroxylase (CYP17A1) and 21-hydroxylase (CYP21A2) into 17α-hydroxyprogesterone and 11-deoxycorticosterone (21-hydroxyprogesterone)...
    123 KB (11,590 words) - 09:25, 11 May 2024
  • Thumbnail for Tyrosine hydroxylase
    Tyrosine hydroxylase or tyrosine 3-monooxygenase is the enzyme responsible for catalyzing the conversion of the amino acid L-tyrosine to L-3,4-dihydroxyphenylalanine...
    38 KB (4,401 words) - 14:05, 27 March 2024
  • Thumbnail for Spironolactone
    Spironolactone (category 21-Hydroxylase inhibitors)
    17α-hydroxylase, 17,20-lyase, 5α-reductase, 3β-hydroxysteroid dehydrogenase, 11β-hydroxylase, 21-hydroxylase, and aldosterone synthase (18-hydroxylase)....
    186 KB (18,252 words) - 21:52, 1 April 2024
  • Thumbnail for Androgen backdoor pathway
    with congenital adrenal hyperplasia due to enzyme deficiencies like 21-hydroxylase or cytochrome P450 oxidoreductase deficiency, these pathways can activate...
    79 KB (8,729 words) - 04:52, 2 May 2024
  • as a sequelae from adrenal hyperplasia (because of 21-hydroxylase deficiency or 11-beta hydroxylase deficiency, the former being more common), which includes...
    32 KB (3,621 words) - 16:54, 12 April 2024
  • Thumbnail for 17α-Hydroxyprogesterone
    defective, namely 21-hydroxylase and 11β-hydroxylase, lead to a build-up of 17α-OHP. In contrast, the rare patient with 17α-hydroxylase deficiency will...
    13 KB (1,059 words) - 09:02, 24 January 2024
  • Thumbnail for Levoketoconazole
    Levoketoconazole (category 21-Hydroxylase inhibitors)
    inhibitor of the enzymes CYP11B1 (11β-hydroxylase), CYP17A1 (17α-hydroxylase/17,20-lyase), and CYP21A2 (21-hydroxylase). It inhibits glucocorticoid biosynthesis...
    8 KB (432 words) - 11:08, 3 December 2023
  • Thumbnail for Virilization
    Hypothyroidism Anabolic steroid exposure Congenital adrenal hyperplasia due to 21-hydroxylase deficiency (late-onset) Conn's syndrome Transgender people who were...
    8 KB (875 words) - 18:11, 4 May 2024
  • Thumbnail for Danazol
    Danazol (category 21-Hydroxylase inhibitors)
    dehydrogenase/Δ5-4 isomerase, 17α-hydroxylase, 17,20-lyase, 17β-hydroxysteroid dehydrogenase, 21-hydroxylase, and 11β-hydroxylase. It has also been found to...
    46 KB (3,954 words) - 04:46, 8 April 2024