Date published: 2026-5-5

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IL-15 Inhibitors

The chemical class of IL-15 inhibitors comprises a diverse set of compounds that exert inhibitory effects on interleukin-15 (IL-15) through direct or indirect mechanisms. These inhibitors target key components of IL-15 signaling pathways, disrupting downstream events and ultimately modulating IL-15-mediated cellular responses and immune functions. AMG 714, for example, serves as a direct IL-15 inhibitor by targeting the IL-15 receptor complex, impeding the binding of IL-15 to its receptor and preventing subsequent signaling events. On the other hand, sc-514 acts indirectly by modulating the NF-κB signaling pathway, inhibiting IκB kinase and decreasing NF-κB activation. Since IL-15 signaling involves NF-κB, this indirect inhibition disrupts IL-15-mediated cellular responses. Compounds like AZD1208, Tofacitinib, and Filgotinib function as indirect IL-15 inhibitors by targeting the JAK/STAT signaling pathway. They inhibit JAK1 and JAK3, key components of IL-15 signaling, leading to downregulated STAT phosphorylation and transcriptional activity. Similarly, Ruxolitinib and Baricitinib modulate the JAK/STAT pathway to achieve indirect IL-15 inhibition.

Other inhibitors like TPCA-1 and BAY 11-7082 act indirectly by influencing the NF-κB signaling pathway. They inhibit IKK-2, leading to decreased NF-κB activation, which, in turn, disrupts IL-15-mediated cellular responses. SP600125 serves as an indirect IL-15 inhibitor by targeting the JNK signaling pathway, inhibiting JNK and downregulating JNK-mediated cellular responses. S3I-201, another indirect inhibitor, modulates the JAK/STAT signaling pathway by inhibiting STAT3, a crucial component of IL-15 signaling. Lastly, Fludarabine phosphate acts indirectly by targeting the PI3K/Akt signaling pathway, inhibiting PI3K and decreasing Akt activation, thereby modulating IL-15-mediated cellular responses. In summary, the chemical class of IL-15 inhibitors encompasses a range of compounds with distinct mechanisms of action, collectively providing valuable tools for understanding and manipulating IL-15 signaling in the context of cellular responses and immune functions.

SEE ALSO...

Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

SC514

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

SC-514 serves as an indirect IL-15 inhibitor by modulating the NF-κB signaling pathway. It inhibits IκB kinase, leading to decreased NF-κB activation. Since IL-15 signaling involves NF-κB, the inhibition of this pathway indirectly modulates IL-15-mediated cellular responses and immune functions.

AZD1208

1204144-28-4sc-503188
10 mg
$322.00
1
(0)

AZD1208 acts as an indirect IL-15 inhibitor by targeting the JAK/STAT signaling pathway. It inhibits JAK1 and JAK3, key components of IL-15 signaling. This inhibition downregulates STAT phosphorylation and transcriptional activity, indirectly modulating IL-15-mediated cellular responses and immune functions.

Filgotinib

1206161-97-8sc-507393
10 mg
$150.00
(0)

Filgotinib serves as an indirect IL-15 inhibitor by targeting the JAK/STAT signaling pathway. It inhibits JAK1 and JAK3, key components of IL-15 signaling. This inhibition downregulates STAT phosphorylation and transcriptional activity, indirectly modulating IL-15-mediated cellular responses and immune functions.

Ruxolitinib

941678-49-5sc-364729
sc-364729A
sc-364729A-CW
5 mg
25 mg
25 mg
$251.00
$500.00
$547.00
16
(1)

Ruxolitinib acts as an indirect IL-15 inhibitor by modulating the JAK/STAT signaling pathway. It inhibits JAK1 and JAK3, key components of IL-15 signaling. This inhibition downregulates STAT phosphorylation and transcriptional activity, indirectly modulating IL-15-mediated cellular responses and immune functions.

Baricitinib

1187594-09-7sc-364730
sc-364730A
5 mg
25 mg
$200.00
$664.00
(1)

Baricitinib functions as an indirect IL-15 inhibitor by modulating the JAK/STAT signaling pathway. It inhibits JAK1 and JAK3, key components of IL-15 signaling. This inhibition downregulates STAT phosphorylation and transcriptional activity, indirectly modulating IL-15-mediated cellular responses and immune functions.

IKK-2 Inhibitor IV

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

IKK-2 Inhibitor IV (TPCA-1) serves as an indirect IL-15 inhibitor by modulating the NF-κB signaling pathway. It inhibits IKK-2, leading to decreased NF-κB activation. Since IL-15 signaling involves NF-κB, the inhibition of this pathway indirectly modulates IL-15-mediated cellular responses and immune functions.

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)

BAY 11-7082 acts as an indirect IL-15 inhibitor by modulating the NF-κB signaling pathway. It inhibits IKK-2, leading to decreased NF-κB activation. Since IL-15 signaling involves NF-κB, the inhibition of this pathway indirectly modulates IL-15-mediated cellular responses and immune functions.

SP600125

129-56-6sc-200635
sc-200635A
10 mg
50 mg
$40.00
$150.00
257
(3)

SP600125 serves as an indirect IL-15 inhibitor by targeting the JNK signaling pathway. It inhibits JNK, a kinase involved in IL-15 signaling. This inhibition downregulates JNK-mediated cellular responses, indirectly modulating IL-15-mediated immune functions.

Stat3 Inhibitor VI, S3I-201

501919-59-1sc-204304
10 mg
$151.00
104
(1)

S3I-201 acts as an indirect IL-15 inhibitor by modulating the JAK/STAT signaling pathway. It inhibits STAT3, a key component of IL-15 signaling. This inhibition downregulates STAT3 phosphorylation and transcriptional activity, indirectly modulating IL-15-mediated cellular responses and immune functions.

Fludarabine

21679-14-1sc-204755
sc-204755A
5 mg
25 mg
$58.00
$204.00
15
(1)

Fludarabine phosphate serves as an indirect IL-15 inhibitor by modulating the PI3K/Akt signaling pathway. It inhibits PI3K, leading to decreased Akt activation. Since IL-15 signaling involves Akt, the inhibition of this pathway indirectly modulates IL-15-mediated cellular responses and immune functions.