Date published: 2026-5-15

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EWS Inhibitors

Common EWS Inhibitors include, but are not limited to Mithramycin A CAS 18378-89-7, (+/-)-JQ1 CAS 1268524-69-1, Ganetespib CAS 888216-25-9, Nutlin-3 CAS 548472-68-0 and PRIMA-1 CAS 5608-24-2.

Ewing's sarcoma breakpoint region 1 (EWSR1), commonly referred to as EWS, is a protein that plays a pivotal role in various cellular processes, including RNA binding, transcriptional modulation, and in DNA damage repair. As a multifunctional protein, EWS interacts with several transcription factors and other proteins, influencing their activities and thereby controlling specific gene expression patterns. Its significance in cellular functions is underscored by its implication in the formation of fusion genes, notably in Ewing's sarcoma, where a translocation event results in a fusion between EWS and various transcription factors. This fusion leads to aberrant transcriptional activities that can contribute to cellular transformation and tumorigenesis.

EWS inhibitors are compounds designed to specifically target and inhibit the EWS protein or its associated functions. The inhibition can be achieved through different mechanisms, such as disrupting the protein-protein interactions involving EWS, blocking its RNA-binding capabilities, or impeding its role in transcriptional modulation. These inhibitors offer a unique tool for researchers to delve deeper into the intricacies of EWS's role in cellular biology. By employing EWS inhibitors in experimental settings, the broader implications of EWS-associated processes can be unveiled, shedding light on its interactions, functional partnerships, and overarching significance in cellular homeostasis. The strategic use of these inhibitors can elucidate the precise molecular pathways and networks that EWS is intertwined with, enhancing our understanding of this multifaceted protein.

SEE ALSO...

Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

Mithramycin A

18378-89-7sc-200909
1 mg
$55.00
6
(1)

Mithramycin A is known to reduce the transcriptional activity of EWS-FLI1, which may result in down-regulation of EWS.

(±)-JQ1

1268524-69-1sc-472932
sc-472932A
5 mg
25 mg
$231.00
$863.00
1
(0)

JQ1 targets BRD4, which is essential for EWS-FLI1's transcriptional activity. Inhibiting BRD4 may lead to down-regulation of EWS.

Ganetespib

888216-25-9sc-364496
sc-364496A
10 mg
250 mg
$273.00
$1040.00
(0)

As an HSP90 inhibitor, ganetespib can destabilize the EWS-FLI1 protein, suggesting potential down-regulation of EWS.

Nutlin-3

548472-68-0sc-45061
sc-45061A
sc-45061B
1 mg
5 mg
25 mg
$62.00
$225.00
$779.00
24
(1)

Nutlin-3 stabilizes p53, which can regulate EWS-FLI1. Enhanced p53 activity might reduce EWS expression.

PRIMA-1

5608-24-2sc-200927
sc-200927A
5 mg
25 mg
$102.00
$408.00
1
(1)

PRIMA-1 restores the activity of mutant p53, which could influence EWS-FLI1 levels and potentially lead to decreased EWS expression.

Selumetinib

606143-52-6sc-364613
sc-364613A
sc-364613B
sc-364613C
sc-364613D
5 mg
10 mg
100 mg
500 mg
1 g
$29.00
$82.00
$420.00
$1897.00
$3021.00
5
(1)

This MEK inhibitor might have an indirect effect on EWS expression due to its interference with the MAPK pathway.

SN 38

86639-52-3sc-203697
sc-203697A
sc-203697B
10 mg
50 mg
500 mg
$119.00
$342.00
$883.00
19
(3)

SN38, an active metabolite of irinotecan, has been shown to reduce EWS-FLI1 mRNA levels, potentially down-regulating EWS.

KPT 330

1393477-72-9sc-489062
5 mg
$173.00
(0)

KPT-330, also known as selinexor, has shown potential in inhibiting EWS-FLI1 and might down-regulate EWS expression.