Date published: 2026-4-5

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Cdc42 Inhibitors

Cell division cycle 42 (Cdc42) is a member of the Rho family of small GTPases, which act as molecular switches in a wide range of cellular processes including cell migration, morphogenesis, cell cycle progression, and vesicle trafficking. These GTPases function as binary switches, cycling between an inactive GDP-bound state and an active GTP-bound state. Activation is mediated by guanine nucleotide exchange factors (GEFs) which facilitate the exchange of GDP for GTP, while inactivation involves GTPase-activating proteins (GAPs) which promote the hydrolysis of GTP to GDP. Cdc42, in its active state, can interact with a variety of downstream effector proteins, initiating a cascade of signaling events that modulate cell behavior. Cdc42 inhibitors are a class of molecules specifically designed to interfere with the activity of Cdc42, preventing its activation or hindering its interaction with effector proteins. The precise mechanism of action may vary among different inhibitors; some might prevent the GEF-mediated exchange of GDP for GTP, while others might stabilize the GDP-bound form or block the protein's interaction with its partners.
Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

Toxin A from Clostridium difficile

sc-222361
sc-222361A
2 µg
100 µg
$196.00
$787.00
(1)

Toxin A from Clostridium difficile acts as a potent disruptor of cellular signaling by targeting the Rho family of GTPases, particularly Cdc42. It catalyzes the ADP-ribosylation of Cdc42, leading to altered cytoskeletal dynamics and impaired cell adhesion. This modification triggers a cascade of downstream effects, including disruption of tight junctions and modulation of inflammatory responses, ultimately affecting cellular morphology and function. The toxin's specificity for Cdc42 highlights its role in manipulating host cell pathways.

CASIN

425399-05-9sc-397016
10 mg
$460.00
1
(0)

CASIN inhibits Cdc42 activity by targeting its GTPase activity, possibly affecting its expression.

ML 141

71203-35-5sc-362768
sc-362768A
5 mg
25 mg
$137.00
$512.00
7
(1)

ML141 is a potent inhibitor of Cdc42, preventing its activation and potentially leading to decreased expression.

SecinH3

853625-60-2sc-203260
5 mg
$278.00
6
(1)

SecinH3 inhibits Cdc42 by disrupting its interaction with guanine nucleotide exchange factors (GEFs).

EHT 1864

754240-09-0sc-361175
sc-361175A
10 mg
50 mg
$213.00
$889.00
12
(2)

EHT 1864 is a Rac family small GTPase inhibitor, which includes Cdc42, and can down-regulate its expression.

ITX 3

347323-96-0sc-295214
sc-295214A
10 mg
50 mg
$145.00
$615.00
(0)

ITX3 inhibits the interaction of Cdc42 with its effector proteins, potentially reducing Cdc42 activity.

Rhosin

1173671-63-0sc-507401
25 mg
$555.00
(0)

Rhosin is a selective inhibitor of RhoA/Cdc42, potentially down-regulating Cdc42 expression.