Date published: 2026-3-17

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NFκB p50 Inhibitors

NFκB p50 inhibitors belong to a significant class of chemical compounds that hold a pivotal role in modulating cellular responses and gene expression processes. These inhibitors primarily target the NFκB p50 subunit, which is a key component of the nuclear factor kappa-light-chain-enhancer of activated B cells (NFκB) transcription factor family. NFκB p50 is known for its involvement in regulating various biological processes such as immune response, inflammation, and cell survival. The inhibitors designed to interact with NFκB p50 typically interfere with its binding to DNA, thereby affecting the transcriptional activity of NFκB-responsive genes.

Structurally, NFκB p50 inhibitors encompass a diverse range of chemical scaffolds, each designed to selectively bind to the NFκB p50 subunit and modulate its function. These compounds often contain functional groups that interact with specific amino acid residues on the NFκB p50 protein surface, leading to altered conformation and impaired DNA binding ability. Through this mechanism, NFκB p50 inhibitors can exert regulatory control over downstream gene expression events, influencing cellular responses to various stimuli. Researchers have explored different chemical modifications and structural optimizations to enhance the potency and selectivity of these inhibitors. In conclusion, NFκB p50 inhibitors constitute a diverse class of chemical compounds that intricately modulate the NFκB signaling pathway by targeting the p50 subunit. Their ability to disrupt DNA binding and transcriptional activity underscores their significance in regulating crucial cellular processes.

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Items 1 to 10 of 11 total

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Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

BAY 11-7082

19542-67-7sc-200615B
sc-200615
sc-200615A
5 mg
10 mg
50 mg
$62.00
$85.00
$356.00
155
(1)

A well-known NF-κB inhibitor that suppresses the activity of both p50 and p65 subunits. It blocks IκBα phosphorylation and degradation.

SC514

354812-17-2sc-205504
sc-205504A
5 mg
10 mg
$67.00
$91.00
13
(2)

Inhibits the IKK-2 enzyme, which is involved in IκBα phosphorylation and subsequent NF-κB activation.

Celastrol, Celastrus scandens

34157-83-0sc-202534
10 mg
$158.00
6
(1)

Found in traditional Chinese medicine, it inhibits NF-κB signaling by affecting various steps in the pathway, including IKK activation.

IKK-2 Inhibitor IV

507475-17-4sc-203083
500 µg
$133.00
12
(1)

Targets IKK-2 and inhibits the phosphorylation of IκBα, leading to reduced NF-κB activation.

Caffeic acid phenethyl ester

104594-70-9sc-200800
sc-200800A
sc-200800B
20 mg
100 mg
1 g
$71.00
$296.00
$612.00
19
(1)

Found in honeybee propolis, it inhibits IκB kinase and prevents the translocation of NF-κB into the nucleus.

Andrographolide

5508-58-7sc-205594
sc-205594A
50 mg
100 mg
$15.00
$40.00
7
(1)

A natural compound that inhibits NF-κB activation by blocking IκBα phosphorylation.

Parthenolide

20554-84-1sc-3523
sc-3523A
50 mg
250 mg
$81.00
$306.00
32
(2)

Found in feverfew, it inhibits IκB kinase activity and reduces NF-κB-mediated gene expression.

Wedelolactone

524-12-9sc-200648
sc-200648A
1 mg
5 mg
$110.00
$337.00
8
(0)

Blocks NF-κB activation by inhibiting IκBα phosphorylation and degradation.

IMD 0354

978-62-1sc-203084
5 mg
$199.00
3
(1)

A selective IKK-2 inhibitor that prevents NF-κB activation by suppressing IκBα phosphorylation.

QNZ

545380-34-5sc-200675
1 mg
$117.00
12
(1)

Inhibits both IκB kinase and proteasomal activity, leading to decreased NF-κB activation.