Date published: 2026-6-4

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Keratin 25 Activators

Keratin 25 Activators encompass a spectrum of chemical compounds that uniquely bolster the functional activity of Keratin 25 by engaging with various signaling pathways and molecular mechanisms. Retinoic Acid, for instance, exerts its effect by interacting with retinoic acid receptors which then bind to responsive elements on the KRT25 gene, promoting its transcription and increasing Keratin 25 levels. Simultaneously, agents like Pioglitazone, a PPARγ agonist, activate nuclear receptors that enhance Keratin 25 expression through interactions with PPAR responsive elements within its promoter region. Lithium acts more indirectly, impeding GSK-3β and thereby stabilizing β-catenin, a molecule that could augment Keratin 25 expression by activating Wnt signaling targets. Forskolin, through cAMP elevation, and consequent PKA activation, might phosphorylate transcription factors that bind to the KRT25 promoter, thus enhancing Keratin 25 synthesis.

Continuing with the theme of indirect activation, 1,25-Dihydroxyvitamin D3 engages the vitamin D receptor, which then enhances Keratin 25 expression via vitamin D response elements on the KRT25 gene. Trace elements like Zinc and Copper might support Keratin 25 function by acting as essential cofactors for transcription factors and enzymes like lysyl oxidase, respectively, which influence keratin crosslinking. Biotin and Selenium contribute to Keratin 25's structural integrity and function by supporting fatty acid synthesis and protecting against oxidative damage. Methionine plays a role in DNA and histone methylation, which could affect KRT25's expression. Arachidonic Acid and Minoxidil, through their metabolism to prostaglandins and the opening of potassium channels, respectively, initiate signaling cascades that ultimately lead to the upregulation of Keratin 25.

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Items 1 to 10 of 12 total

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Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

Retinoic Acid, all trans

302-79-4sc-200898
sc-200898A
sc-200898B
sc-200898C
500 mg
5 g
10 g
100 g
$66.00
$325.00
$587.00
$1018.00
28
(1)

Retinoic Acid enhances Keratin 25 expression by binding to retinoic acid receptors (RARs) which then bind to retinoic acid response elements (RARE) in the promoter region of the gene KRT25, leading to increased transcription and subsequent protein upregulation.

Pioglitazone

111025-46-8sc-202289
sc-202289A
1 mg
5 mg
$55.00
$125.00
13
(1)

Pioglitazone activates PPARγ, a nuclear receptor that can enhance the expression of differentiation-specific keratins including Keratin 25 by binding to PPAR response elements (PPREs) in the promoter region of KRT25.

Lithium

7439-93-2sc-252954
50 g
$214.00
(0)

Lithium can indirectly enhance the activity of Keratin 25 by inhibiting GSK-3β, leading to the stabilization of β-catenin, which can translocate to the nucleus and potentially increase the transcription of keratins through the Wnt signaling pathway.

Forskolin

66575-29-9sc-3562
sc-3562A
sc-3562B
sc-3562C
sc-3562D
5 mg
50 mg
1 g
2 g
5 g
$78.00
$153.00
$740.00
$1413.00
$2091.00
73
(3)

Forskolin activates adenylyl cyclase leading to an increase in cyclic AMP (cAMP) levels, which can enhance Keratin 25 expression through PKA-dependent signaling pathways, as PKA can phosphorylate transcription factors that bind to the KRT25 gene promoter.

1α,25-Dihydroxyvitamin D3

32222-06-3sc-202877B
sc-202877A
sc-202877C
sc-202877D
sc-202877
50 µg
1 mg
5 mg
10 mg
100 µg
$220.00
$645.00
$1000.00
$1500.00
$440.00
32
(2)

1,25-Dihydroxyvitamin D3 activates the vitamin D receptor (VDR), which can enhance the expression of Keratin 25 by binding to vitamin D response elements (VDREs) in the promoter region of KRT25, facilitating increased transcription and protein expression.

Zinc

7440-66-6sc-213177
100 g
$48.00
(0)

Zinc can act as a cofactor for transcription factors that bind to the promoter region of KRT25, potentially enhancing the transcription of Keratin 25.

Copper

7440-50-8sc-211129
100 g
$51.00
(0)

Copper can serve as an essential cofactor for lysyl oxidase, an enzyme that can enhance keratin crosslinking and stabilization, indirectly affecting Keratin 25 structure and function.

D-(+)-Biotin

58-85-5sc-204706
sc-204706A
sc-204706B
1 g
5 g
25 g
$41.00
$107.00
$333.00
1
(4)

Biotin may enhance Keratin 25 function by acting as a cofactor for carboxylases involved in fatty acid synthesis, which is important for the structural integrity and function of keratins.

Selenium

7782-49-2sc-250973
50 g
$62.00
1
(1)

Selenium is an essential component of selenoproteins involved in the protection against oxidative stress, which can indirectly enhance the stability and function of Keratin 25 by reducing damage to keratinocytes.

L-Methionine

63-68-3sc-394076
sc-394076A
sc-394076B
sc-394076C
sc-394076D
sc-394076E
25 g
100 g
250 g
1 kg
5 kg
10 kg
$34.00
$37.00
$57.00
$151.00
$577.00
$1103.00
(0)

Methionine is a sulfur-containing amino acid that can be involved in the methylation of DNA and histones, potentially affecting the expression of KRT25 and consequently enhancing the levels of Keratin 25.