Date published: 2026-4-24

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Cytokeratin 5 Inhibitors

Common Cytokeratin 5 Inhibitors include, but are not limited to 1α,25-Dihydroxyvitamin D3 CAS 32222-06-3, Salinomycin CAS 53003-10-4, Itraconazole CAS 84625-61-6, Disulfiram CAS 97-77-8 and Lovastatin CAS 75330-75-5.

Cytokeratin 5, often abbreviated as CK5, belongs to the keratin family, which is a group of intermediate filament proteins that give structural stability to epithelial cells. Keratins are categorized into type I and type II, and Cytokeratin 5 is a type II keratin. It is primarily expressed in the basal layer of the epidermis and is pivotal in maintaining the structural integrity of epithelial tissues. Moreover, CK5 often pairs with its type I counterpart, Cytokeratin 14, to form the intermediate filament network in basal keratinocytes. This filamentous network serves as a scaffold, offering resilience against mechanical stress and ensuring cellular integrity. Additionally, CK5 expression patterns have been used in cellular and tissue-type identification due to its specific expression in certain epithelial cell types.

Cytokeratin 5 inhibitors encompass a range of molecules specifically designed to modulate, typically reduce, the expression or function of CK5. The primary mode of action of these inhibitors is to disrupt the synthesis or assembly of CK5-containing intermediate filaments. This can be achieved by directly interfering with the CK5 protein or by inhibiting pathways that regulate its expression or post-translational modifications. Since CK5 plays a key role in maintaining the structural rigidity of cells, its inhibition can lead to alterations in cellular architecture and mechanics. Furthermore, these inhibitors can also impact cellular interactions with their environment, as the keratin network interfaces with cell membranes, organelles, and other cytoskeletal elements. By targeting CK5, these inhibitors not only affect the individual cell's structural and mechanical properties but can also modulate the overall integrity and function of epithelial tissues where CK5 is prominently expressed. Understanding the nuances of these inhibitors can offer valuable insights into the complex world of epithelial cell biology and the intricate balance of structural proteins that maintain cellular homeostasis.

SEE ALSO...

Items 1 to 10 of 14 total

Display:

Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

Salinomycin

53003-10-4sc-253530
sc-253530C
sc-253530A
sc-253530B
5 mg
10 mg
25 mg
100 mg
$162.00
$241.00
$406.00
$474.00
1
(1)

Salinomycin targets epithelial-to-mesenchymal transition (EMT) markers. By inhibiting EMT, it may maintain epithelial cells in a state less conducive to CK5 expression.

Itraconazole

84625-61-6sc-205724
sc-205724A
50 mg
100 mg
$78.00
$142.00
23
(1)

Beyond its antifungal action, itraconazole impedes certain cellular pathways, potentially leading to a suppression of CK5 in epithelial cells.

Disulfiram

97-77-8sc-205654
sc-205654A
50 g
100 g
$53.00
$89.00
7
(1)

Disulfiram's modulation of epithelial markers might involve the suppression of basal epithelial markers, potentially leading to decreased CK5 levels.

Lovastatin

75330-75-5sc-200850
sc-200850A
sc-200850B
5 mg
25 mg
100 mg
$29.00
$90.00
$339.00
12
(1)

Lovastatin, besides its cholesterol-lowering effect, interferes with the mevalonate pathway, which might, in turn, suppress CK5 expression in specific cellular contexts.

Bexarotene

153559-49-0sc-217753
sc-217753A
10 mg
100 mg
$55.00
$250.00
6
(1)

As an RXR agonist, bexarotene promotes differentiation in certain cell types. This differentiation might shift the cellular profile away from a basal state, leading to reduced CK5 expression.

Etoposide (VP-16)

33419-42-0sc-3512B
sc-3512
sc-3512A
10 mg
100 mg
500 mg
$51.00
$231.00
$523.00
63
(1)

Etoposide induces DNA damage and can affect the expression of various proteins. Its effects might lead to reduced CK5 levels, particularly in cells that are sensitive to DNA damage.

Genistein

446-72-0sc-3515
sc-3515A
sc-3515B
sc-3515C
sc-3515D
sc-3515E
sc-3515F
100 mg
500 mg
1 g
5 g
10 g
25 g
100 g
$45.00
$164.00
$200.00
$402.00
$575.00
$981.00
$2031.00
46
(1)

Genistein, an isoflavone from soy, can modulate various signaling pathways. It may reduce CK5 expression by promoting epithelial cell differentiation or by directly affecting CK5 transcription.

4-Hydroxyphenylretinamide

65646-68-6sc-200900
sc-200900A
5 mg
25 mg
$104.00
$315.00
(0)

Fenretinide induces apoptosis and cellular differentiation. In pathways where CK5 is associated with a less differentiated state, fenretinide might lead to its down-regulation.

Quercetin

117-39-5sc-206089
sc-206089A
sc-206089E
sc-206089C
sc-206089D
sc-206089B
100 mg
500 mg
100 g
250 g
1 kg
25 g
$11.00
$17.00
$110.00
$250.00
$936.00
$50.00
33
(2)

Quercetin, a flavonoid, can influence multiple signaling pathways. It may lead to reduced CK5 expression by modulating pathways that affect epithelial cell growth and differentiation.

Taxol

33069-62-4sc-201439D
sc-201439
sc-201439A
sc-201439E
sc-201439B
sc-201439C
1 mg
5 mg
25 mg
100 mg
250 mg
1 g
$41.00
$74.00
$221.00
$247.00
$738.00
$1220.00
39
(2)

Taxol stabilizes microtubules and can affect the expression of various proteins. It might down-regulate CK5 due to its effects on cell cycle progression and cell survival.