Date published: 2025-12-7

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CYP11B1 Inhibitors

CYP11B1 inhibitors constitute a diverse group of chemicals that modulate adrenal steroidogenesis by directly or indirectly targeting the enzyme CYP11B1. Direct inhibitors, including etomidate, ketoconazole, and aminoglutethimide, act by binding to the heme group of CYP11B1, disrupting its activity in converting 11-deoxycortisol to cortisol. This interference leads to decreased cortisol production, impacting the adrenal steroidogenesis pathway. Other direct inhibitors, such as metyrapone, trilostane, and mitotane, similarly target CYP11B1, inhibiting cortisol synthesis and altering hormonal regulation. In addition to direct inhibition, certain compounds, including troleandomycin, liquiritigenin, and gossypol, act indirectly by influencing the cytochrome P450 system or modulating the expression of steroidogenic genes. These compounds disrupt the adrenal steroidogenesis pathway, leading to decreased cortisol synthesis and impacting CYP11B1-mediated steroidogenesis. This diverse array of inhibitors offers valuable tools for studying the regulation of adrenal steroidogenesis. Understanding the mechanisms by which these inhibitors modulate CYP11B1 activity contributes to our knowledge of adrenal steroidogenesis and opens avenues for further research in endocrine regulation.
Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

Metyrapone

54-36-4sc-200597
sc-200597A
sc-200597B
200 mg
500 mg
1 g
$25.00
$56.00
$86.00
4
(3)

Metyrapone acts as a selective inhibitor of CYP11B1, engaging in unique molecular interactions that disrupt steroidogenesis. Its structure allows for competitive binding at the enzyme's active site, altering the kinetics of cortisol synthesis. This inhibition can lead to a cascade of metabolic effects, as the compound modulates the enzymatic pathway involved in adrenal hormone production. Furthermore, its lipophilic nature may influence membrane interactions, potentially affecting enzyme accessibility and function.

Etomidate

33125-97-2sc-203577
10 mg
$124.00
(0)

Etomidate acts as a direct inhibitor of CYP11B1 by binding to its heme group and inhibiting the enzyme's activity in the conversion of 11-deoxycortisol to cortisol. This interference disrupts the adrenal steroidogenesis pathway, leading to decreased cortisol production.

Ketoconazole

65277-42-1sc-200496
sc-200496A
50 mg
500 mg
$62.00
$260.00
21
(1)

Ketoconazole serves as a direct inhibitor of CYP11B1 by binding to the heme group of the enzyme. By doing so, it impedes the conversion of 11-deoxycortisol to cortisol, disrupting the adrenal steroidogenesis pathway and leading to decreased cortisol synthesis.

Aminoglutethimide

125-84-8sc-207280
sc-207280A
sc-207280B
sc-207280C
1 g
5 g
25 g
100 g
$41.00
$143.00
$530.00
$2020.00
2
(1)

Aminoglutethimide acts as a direct inhibitor of CYP11B1 by targeting the enzyme's heme group. This inhibition disrupts the conversion of 11-deoxycortisol to cortisol, leading to decreased cortisol synthesis and impacting the adrenal steroidogenesis pathway.

Trilostane

13647-35-3sc-208469
sc-208469A
10 mg
100 mg
$224.00
$1193.00
2
(1)

Trilostane serves as a direct inhibitor of CYP11B1 by targeting the enzyme's heme group. This inhibition disrupts the conversion of 11-deoxycortisol to cortisol, impacting the adrenal steroidogenesis pathway and leading to decreased cortisol synthesis.

Mitotane

53-19-0sc-205754
sc-205754A
100 mg
1 g
$71.00
$163.00
1
(1)

Mitotane acts as a direct inhibitor of CYP11B1 by binding to the heme group of the enzyme. This interference disrupts the conversion of 11-deoxycortisol to cortisol, impacting the adrenal steroidogenesis pathway and leading to decreased cortisol production.

Gossypol

303-45-7sc-200501
sc-200501A
25 mg
100 mg
$114.00
$225.00
12
(1)

Gossypol serves as an indirect inhibitor of CYP11B1 by modulating the expression of steroidogenic genes. By influencing the expression of key genes in the adrenal steroidogenesis pathway, gossypol disrupts cortisol synthesis and impacts CYP11B1-mediated steroidogenesis.

2-Methoxyestradiol

362-07-2sc-201371
sc-201371A
10 mg
50 mg
$70.00
$282.00
6
(1)

2-Methoxyestradiol indirectly inhibits CYP11B1 by affecting steroidogenic gene expression. Through modulation of key genes in the adrenal steroidogenesis pathway, this compound disrupts cortisol synthesis, impacting CYP11B1-mediated steroidogenesis.

Diclofenac Sodium

15307-79-6sc-202136
sc-202136A
5 g
25 g
$40.00
$125.00
4
(1)

Diclofenac serves as an indirect inhibitor of CYP11B1 by influencing the cytochrome P450 system. By affecting various cytochrome P450 enzymes, including CYP11B1, it disrupts the adrenal steroidogenesis pathway, leading to decreased cortisol synthesis.

Sulfaphenazole

526-08-9sc-215926
1 g
$307.00
7
(2)

Sulfaphenazole acts as an indirect inhibitor of CYP11B1 by affecting the cytochrome P450 system. By inhibiting various cytochrome P450 enzymes, including CYP11B1, it disrupts the adrenal steroidogenesis pathway, leading to decreased cortisol synthesis.