Date published: 2025-10-25

1-800-457-3801

SCBT Portrait Logo
Seach Input

CYP2R1 Activators

CYP2R1 activators are a class of chemicals that enhance the enzymatic activity of the cytochrome P450 2R1 (CYP2R1) enzyme, a member of the cytochrome P450 superfamily of enzymes. These enzymes are known for their role in the hydroxylation of various substrates, including the conversion of vitamin D into its more active forms, a process critical for maintaining calcium homeostasis and bone health. CYP2R1 specifically is involved in the hydroxylation of vitamin D3 at the 25-position, producing 25-hydroxyvitamin D3, which is the major circulating form of vitamin D measured in serum to assess an individual's vitamin D status.

Activators of CYP2R1 can either directly interact with the active site of the enzyme, inducing a conformational change that increases its catalytic efficiency, or they may bind to allosteric sites that enhance the enzyme's activity indirectly. Direct activators typically mimic the structural elements of the natural substrate, facilitating the binding and proper orientation of the substrate within the active site for the hydroxylation reaction. These activators could also stabilize the enzyme in a conformation that is more favorable for catalysis. Indirect activators, on the other hand, might increase the expression levels of CYP2R1 by modulating the transcription factors involved in the enzyme's synthesis. They could also affect the stability and turnover of the enzyme or enhance the electron transfer from reducing agents to CYP2R1, thereby increasing its catalytic activity. These activators could further influence the interaction of CYP2R1 with its redox partner proteins, such as cytochrome P450 reductase, which is necessary for the transfer of electrons to CYP2R1 during the hydroxylation process.

Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

Vitamin A

68-26-8sc-280187
sc-280187A
1 g
10 g
$377.00
$2602.00
(2)

Retinol is a form of vitamin A that is known to stimulate CYP2R1 expression. Retinol can be oxidized into retinoic acid, which acts as a ligand for nuclear receptors that regulate the transcription of CYP2R1.

Lithocholic acid

434-13-9sc-215262
sc-215262A
10 g
25 g
$83.00
$272.00
1
(1)

Lithocholic acid is a secondary bile acid that can induce the expression of CYP2R1. It serves as a ligand for nuclear receptors like FXR, which regulate the transcription of CYP2R1.

Rosiglitazone

122320-73-4sc-202795
sc-202795A
sc-202795C
sc-202795D
sc-202795B
25 mg
100 mg
500 mg
1 g
5 g
$118.00
$320.00
$622.00
$928.00
$1234.00
38
(1)

Rosiglitazone is a PPAR-gamma agonist that can induce the expression of CYP2R1. PPAR-gamma is a nuclear receptor that regulates the transcription of various genes, including CYP2R1.

Rifampicin

13292-46-1sc-200910
sc-200910A
sc-200910B
sc-200910C
1 g
5 g
100 g
250 g
$95.00
$322.00
$663.00
$1438.00
6
(1)

Rifampicin is an antibiotic that can induce CYP2R1 expression. It serves as a ligand for PXR, a nuclear receptor that regulates the transcription of various CYP450 enzymes, including CYP2R1.

Pioglitazone

111025-46-8sc-202289
sc-202289A
1 mg
5 mg
$54.00
$123.00
13
(1)

Pioglitazone is a PPAR-gamma agonist that can induce the expression of CYP2R1. PPAR-gamma is a nuclear receptor that regulates the transcription of various genes, including CYP2R1.

Troglitazone

97322-87-7sc-200904
sc-200904B
sc-200904A
5 mg
10 mg
25 mg
$108.00
$200.00
$426.00
9
(1)

Troglitazone is a PPAR-gamma agonist that can induce the expression of CYP2R1. PPAR-gamma is a nuclear receptor that regulates the transcription of various genes, including CYP2R1.

Pregnenolone

145-13-1sc-204860
sc-204860A
sc-204860B
sc-204860C
5 g
25 g
100 g
500 g
$85.00
$145.00
$340.00
$1100.00
(1)

Pregnenolone is a steroid hormone that can induce CYP2R1 expression. It serves as a precursor for the synthesis of various steroid hormones, which can act as ligands for nuclear receptors that regulate the transcription of CYP2R1.

Cholesterol

57-88-5sc-202539C
sc-202539E
sc-202539A
sc-202539B
sc-202539D
sc-202539
5 g
5 kg
100 g
250 g
1 kg
25 g
$26.00
$2754.00
$126.00
$206.00
$572.00
$86.00
11
(1)

Cholesterol is a sterol that can induce CYP2R1 expression. It acts as a substrate for CYP2R1, which converts cholesterol into 25-hydroxycholesterol. This metabolite can act as a ligand for nuclear receptors that regulate the transcription of CYP2R1.

Progesterone

57-83-0sc-296138A
sc-296138
sc-296138B
1 g
5 g
50 g
$20.00
$51.00
$292.00
3
(1)

Progesterone is a steroid hormone that can induce CYP2R1 expression. It can act as a ligand for nuclear receptors that regulate the transcription of CYP2R1.