Date published: 2026-4-24

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DUSP22 Inhibitors

DUSP22 inhibitors represent a diverse class of chemical compounds specifically designed to modulate the activity of the Dual Specificity Phosphatase 22 enzyme (DUSP22). DUSP22 is a member of the dual-specificity phosphatase family, known for its ability to dephosphorylate both tyrosine and serine/threonine residues on various protein substrates. These inhibitors are engineered to interact with DUSP22 at the molecular level, disrupting its enzymatic activity and subsequently influencing critical cellular signaling pathways. At the molecular level, DUSP22 inhibitors typically function by binding to the active site of the enzyme or interfering with its substrate-binding capability. By doing so, they obstruct the dephosphorylation of target proteins, such as mitogen-activated protein kinases (MAPKs) like ERK, JNK, and p38, which are essential components of intracellular signaling cascades regulating cell growth, differentiation, and stress responses. These inhibitors can adopt a range of structural motifs and pharmacophores to achieve their inhibitory effects, making them a chemically diverse class. Additionally, some DUSP22 inhibitors may exhibit selectivity for DUSP22 or dual specificity for multiple DUSPs, further adding to the complexity of this chemical class. DUSP22 inhibitors lies in their ability to fine-tune intracellular signaling networks by perturbing the equilibrium between phosphorylation and dephosphorylation events. This modulation can have wide-ranging implications for cellular processes, including proliferation, apoptosis, and response to environmental stresses. While the specific mechanisms of action may vary among individual DUSP22 inhibitors, their collective role in probing and manipulating the delicate balance of phosphorylation and dephosphorylation highlights their importance in advancing our understanding of signal transduction pathways and potential applications in various research contexts.
Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

BML-260

101439-76-3sc-223822
10 mg
$143.00
1
(0)

BML-260 acts as a selective DUSP22 inhibitor, exhibiting unique binding characteristics that disrupt the enzyme's phosphatase activity. Its molecular design facilitates specific interactions with the active site, altering the enzyme's conformation and hindering substrate access. This compound influences signaling pathways by modulating the dephosphorylation of key proteins, thereby affecting cellular responses and regulatory networks. Its kinetic profile reveals a distinct competitive inhibition mechanism, underscoring its role in fine-tuning cellular signaling dynamics.

NSC 95397

93718-83-3sc-203654
sc-203654A
10 mg
50 mg
$255.00
$847.00
9
(1)

NSC-95397 acts as an inhibitor of DUSP22 by binding to its active site. By doing so, it disrupts the enzyme's ability to dephosphorylate its substrate proteins, including critical signaling molecules like ERK and JNK. This interference results in prolonged phosphorylation and activation of downstream signaling pathways.

SP600125

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

SP600125 inhibits DUSP22 by disrupting its dephosphorylation activity towards JNK and other substrates. This results in the prolonged activation of JNK and downstream signaling events that impact cellular functions, including cell proliferation and apoptosis.

ERK Inhibitor II, FR180204

865362-74-9sc-203945
sc-203945A
sc-203945B
sc-203945C
1 mg
5 mg
10 mg
50 mg
$110.00
$165.00
$239.00
$942.00
45
(2)

FR180204 is a chemical inhibitor of DUSP22. It operates by inhibiting the dephosphorylation activity of DUSP22, thereby enhancing the phosphorylation and activation of MAP kinases. This modulation of MAP kinase signaling pathways affects various cellular processes.

SB 203580

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

SB203580 inhibits DUSP22 indirectly by blocking p38 MAP kinase, a substrate of DUSP22. By doing so, it prevents p38 MAP kinase inactivation, leading to altered cellular responses mediated by p38 MAP kinase signaling.

VX 745

209410-46-8sc-361401
sc-361401A
10 mg
50 mg
$183.00
$842.00
4
(1)

VX-745 is a small molecule inhibitor of DUSP22 and JNK. It interferes with the dephosphorylation activity of DUSP22 on JNK, leading to prolonged JNK activation and subsequent changes in cellular processes influenced by JNK signaling pathways.

Doramapimod

285983-48-4sc-300502
sc-300502A
sc-300502B
25 mg
50 mg
100 mg
$149.00
$281.00
$459.00
2
(1)

BIRB 796 is an inhibitor that targets DUSP22 and other kinases. It inhibits DUSP22's dephosphorylation activity on MAP kinases, resulting in sustained kinase activation and modulation of cellular signaling pathways that impact cell fate and function.

PD 198306

212631-61-3sc-203180
sc-203180A
sc-203180B
sc-203180C
5 mg
50 mg
100 mg
500 mg
$245.00
$2000.00
$4000.00
$13500.00
3
(1)

PD 198306 is a chemical inhibitor that specifically targets DUSP22. It disrupts DUSP22′s ability to dephosphorylate its substrates, including ERK and JNK. This leads to prolonged phosphorylation and activation of MAP kinases and downstream cellular responses.

JNK Inhibitor V

345987-15-7sc-202672A
sc-202672
1 mg
5 mg
$60.00
$169.00
3
(1)

AS601245 inhibits DUSP22 by interfering with its dephosphorylation activity towards p38 MAP kinase and other substrates. This leads to sustained activation of p38 MAP kinase and downstream signaling events that influence cellular functions.

SB202190 hydrochloride

350228-36-3sc-222294
sc-222294A
1 mg
5 mg
$131.00
$505.00
13
(1)

SB202190 is an inhibitor that indirectly affects DUSP22 by inhibiting p38 MAP kinase, a substrate of DUSP22. By preventing p38 MAP kinase inactivation, it alters cellular responses mediated by p38 MAP kinase signaling pathways.