Date published: 2026-5-30

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Keratin 74 Inhibitors

Chemical inhibitors of Keratin 74 can disrupt its production by targeting various stages of the cell cycle and cellular mechanisms essential for DNA replication, transcription, and cell division. Methotrexate, for example, acts by inhibiting the enzyme dihydrofolate reductase, crucial for thymidine synthesis and therefore DNA replication. This action can lead to a reduced capacity for cell division in the hair follicle cells responsible for producing Keratin 74. Similarly, Hydroxyurea impedes the action of ribonucleotide reductase, diminishing the pool of deoxyribonucleotides necessary for DNA synthesis and thus can reduce the proliferation of these specific cells. Cytarabine incorporates itself into DNA, resulting in premature chain termination during DNA synthesis, which can directly decrease the incorporation of Keratin 74 as the cell cycle is halted. Aphidicolin, by selectively inhibiting DNA polymerases alpha and delta, can result in an S-phase arrest, thereby inhibiting the synthesis of Keratin 74 by affecting the proliferative capacity of the cells. In addition to inhibitors that target DNA synthesis, other chemicals interfere with the structural components required for cell division. Paclitaxel and Vinblastine disrupt microtubule dynamics, an essential part of the cell's cytoskeleton necessary for mitosis. Paclitaxel stabilizes microtubules, preventing their disassembly and leading to cell cycle arrest, while Vinblastine prevents microtubule formation. Both actions can result in decreased cell proliferation and, hence, reduced production of Keratin 74. Podophyllotoxin and Colchicine also target tubulin and inhibit microtubule polymerization, leading to similar outcomes in terms of cell cycle arrest and can lead to a reduction in Keratin 74 synthesis. Furthermore, chemicals like Camptothecin, Etoposide, and Bleomycin introduce breaks or interfere with the proper segregation of DNA during replication and transcription. Camptothecin inhibits topoisomerase I, and Etoposide inhibits topoisomerase II, while Bleomycin causes DNA strand breakage, all of which can lead to a decrease in cell proliferation and subsequent Keratin 74 production. Lastly, Bortezomib disrupts the degradation of regulatory proteins by inhibiting the proteasome, leading to cell cycle arrest and can limit the survival of cells that produce Keratin 74, further contributing to the decrease in its production.

Items 1 to 10 of 12 total

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Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

Methotrexate

59-05-2sc-3507
sc-3507A
100 mg
500 mg
$94.00
$213.00
33
(5)

Methotrexate inhibits dihydrofolate reductase, which is required for the synthesis of thymidine, a nucleotide necessary for DNA replication. Keratin 74 is a structural protein that requires cell division for its incorporation into hair follicles. By inhibiting cell proliferation, Methotrexate can reduce the production and incorporation of Keratin 74 into hair structures.

1-β-D-Arabinofuranosylcytosine

147-94-4sc-201628
sc-201628A
sc-201628B
sc-201628C
sc-201628D
1 g
5 g
25 g
100 g
250 g
$150.00
$263.00
$518.00
$731.00
$1461.00
1
(1)

1-β-D-Arabinofuranosylcytosine is incorporated into DNA during the S-phase of the cell cycle, leading to chain termination. It specifically affects rapidly dividing cells, which include those that produce Keratin 74. By inhibiting DNA replication in these cells, 1-β-D-Arabinofuranosylcytosine can decrease Keratin 74 incorporation during hair follicle formation.

Hydroxyurea

127-07-1sc-29061
sc-29061A
5 g
25 g
$78.00
$260.00
18
(1)

Hydroxyurea inhibits ribonucleotide reductase, leading to a decrease in deoxyribonucleotide concentrations and subsequent inhibition of DNA synthesis. This inhibition can lead to a decrease in cell division in hair follicle cells, thus reducing the production of Keratin 74.

Aphidicolin

38966-21-1sc-201535
sc-201535A
sc-201535B
1 mg
5 mg
25 mg
$84.00
$306.00
$1104.00
30
(3)

Aphidicolin is a tetracyclic diterpene that specifically inhibits DNA polymerase alpha and delta, leading to an S-phase arrest in the cell cycle. This can inhibit the proliferation of cells that produce Keratin 74, thereby reducing its synthesis and incorporation into the hair structure.

Camptothecin

7689-03-4sc-200871
sc-200871A
sc-200871B
50 mg
250 mg
100 mg
$58.00
$186.00
$94.00
21
(2)

Camptothecin inhibits DNA topoisomerase I, preventing DNA replication and transcription. This can lead to a reduction in cell proliferation in hair follicle cells, thereby decreasing the production of Keratin 74.

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 inhibits DNA topoisomerase II, leading to DNA cleavage and triggering cell cycle arrest at the G2 phase. This inhibition can reduce the proliferation of cells that synthesize Keratin 74, thus inhibiting its production.

Bleomycin

11056-06-7sc-507293
5 mg
$275.00
5
(0)

Bleomycin binds to DNA, causing strand breakage and inhibition of replication and transcription. By causing DNA damage in cells producing Keratin 74, Bleomycin can inhibit cell proliferation and thus the production of Keratin 74.

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)

Paclitaxel stabilizes microtubules and inhibits their disassembly, leading to cell cycle arrest and inhibition of cell division. This action can inhibit the proliferation of cells involved in the synthesis of Keratin 74, thereby reducing its production.

Vinblastine

865-21-4sc-491749
sc-491749A
sc-491749B
sc-491749C
sc-491749D
10 mg
50 mg
100 mg
500 mg
1 g
$102.00
$235.00
$459.00
$1749.00
$2958.00
4
(0)

Vinblastine binds to tubulin, inhibiting microtubule formation, which is essential for cell division. By preventing cell proliferation, Vinblastine can reduce the production of Keratin 74.

Podophyllotoxin

518-28-5sc-204853
100 mg
$84.00
1
(1)

Podophyllotoxin inhibits the polymerization of tubulin, arresting the cell cycle and inhibiting cell division. This can decrease the production of cells synthesizing Keratin 74, therefore inhibiting the production of Keratin 74.