Date published: 2026-5-16

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IEX-1L Inhibitors

Chemical inhibitors of IEX-1L interfere with various signaling pathways that contribute to the regulation of this protein. SB-203580 operates by targeting p38 MAP kinase, a critical enzyme in the pathway that activates transcription factors for IEX-1L expression. When SB-203580 inhibits p38 MAP kinase, the activation of these transcription factors is decreased, leading to lower expression levels of IEX-1L. Similarly, SP600125 suppresses the activity of IEX-1L by inhibiting c-Jun N-terminal kinase (JNK), another kinase involved in stress-related signaling pathways that affect IEX-1L. LY294002 and Wortmannin both inhibit phosphoinositide 3-kinase (PI3K), a molecule that plays a significant role in the PI3K/Akt signaling pathway, which is known to regulate IEX-1L. The inhibition of PI3K by these chemicals results in reduced activity of downstream signaling components that would normally increase IEX-1L activity.

PD98059 and U0126 are both selective inhibitors of mitogen-activated protein kinase kinase (MEK), which is upstream of extracellular signal-regulated kinases (ERK) implicated in the regulation of IEX-1L. By inhibiting MEK, these chemicals reduce the activation of ERK, subsequently diminishing the functional activity of IEX-1L. Rapamycin, on the other hand, inhibits the mammalian target of rapamycin (mTOR), another key kinase in the PI3K/Akt pathway, resulting in decreased regulation of IEX-1L. PP2 targets Src family kinases, which are part of multiple signaling pathways that intersect with IEX-1L regulation. The action of PP2 leads to a reduction in IEX-1L activity. Stattic, by inhibiting STAT3, affects the transcriptional level of IEX-1L, while NSC 23766 inhibits Rac1, a GTPase that influences the pathways regulating IEX-1L, leading to a decrease in its signaling. Lastly, Triptolide and BAY 11-7082 both target NF-κB, a transcription factor involved in the regulation of IEX-1L. Inhibition of NF-κB by these chemicals results in a decrease in IEX-1L's functional activity.

Items 1 to 10 of 12 total

Display:

Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

SB 203580

152121-47-6sc-3533
sc-3533A
1 mg
5 mg
$90.00
$349.00
284
(5)

This compound inhibits p38 MAP kinase, which is involved in the signaling pathways that control the transcription of IEX-1L. Inhibition of p38 MAP kinase leads to decreased activation of transcription factors that promote IEX-1L expression, thereby functionally inhibiting IEX-1L.

SP600125

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

SP600125 is an inhibitor of c-Jun N-terminal kinase (JNK), which plays a role in stress-activated protein kinase signaling pathways that can regulate IEX-1L. By inhibiting JNK, this chemical can decrease the functional activity of IEX-1L.

LY 294002

154447-36-6sc-201426
sc-201426A
5 mg
25 mg
$123.00
$400.00
148
(1)

LY294002 is a phosphoinositide 3-kinase (PI3K) inhibitor, where PI3K signaling is known to be involved in the regulation of IEX-1L. By inhibiting PI3K, LY294002 can reduce the activity of downstream effectors that would otherwise contribute to the functional activity of IEX-1L.

PD 98059

167869-21-8sc-3532
sc-3532A
1 mg
5 mg
$40.00
$92.00
212
(2)

PD98059 is a selective inhibitor of mitogen-activated protein kinase kinase (MEK), which is upstream of extracellular signal-regulated kinases (ERK) that have been implicated in the regulation of IEX-1L activity. Inhibition of MEK by PD98059 can reduce ERK-mediated functional activity of IEX-1L.

U-0126

109511-58-2sc-222395
sc-222395A
1 mg
5 mg
$64.00
$246.00
136
(2)

U0126 is also an inhibitor of MEK, and thus it would function similarly to PD98059 in reducing ERK-mediated functional activity of IEX-1L by inhibiting upstream MEK.

Wortmannin

19545-26-7sc-3505
sc-3505A
sc-3505B
1 mg
5 mg
20 mg
$67.00
$223.00
$425.00
97
(3)

Wortmannin is another PI3K inhibitor, functioning similarly to LY294002. By inhibiting PI3K, it limits the PI3K/Akt signaling that contributes to the regulation of IEX-1L, thereby reducing its functional activity.

Rapamycin

53123-88-9sc-3504
sc-3504A
sc-3504B
1 mg
5 mg
25 mg
$63.00
$158.00
$326.00
233
(4)

Rapamycin inhibits the mammalian target of rapamycin (mTOR), a key kinase in the PI3K/Akt pathway. Since mTOR signaling can regulate IEX-1L, inhibition by rapamycin can reduce the functional activity of IEX-1L.

PP 2

172889-27-9sc-202769
sc-202769A
1 mg
5 mg
$94.00
$227.00
30
(1)

PP2 is an inhibitor of Src family kinases, which are involved in multiple signaling pathways that can converge on the regulation of IEX-1L. Inhibition of Src kinases by PP2 can decrease the functional activity of IEX-1L.

Stat3 inhibitor V, stattic

19983-44-9sc-202818
sc-202818A
sc-202818B
sc-202818C
sc-202818D
sc-202818E
sc-202818F
25 mg
100 mg
250 mg
500 mg
1 g
2.5 g
5 g
$130.00
$196.00
$274.00
$512.00
$731.00
$1408.00
$2091.00
114
(3)

Stattic specifically inhibits STAT3, a transcription factor that can regulate IEX-1L expression. By inhibiting STAT3, Stattic would reduce the functional activity of IEX-1L by reducing its expression.

NSC 23766

733767-34-5sc-204823
sc-204823A
10 mg
50 mg
$151.00
$609.00
75
(4)

NSC 23766 inhibits Rac1, a GTPase that can influence pathways regulating IEX-1L. Inhibition of Rac1 can decrease signaling that would otherwise enhance the functional activity of IEX-1L.