Date published: 2026-4-10

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Plexin Inhibitors

Plexin signaling plays a fundamental role in various biological processes, including neuronal development, immune responses, and the regulation of cell migration. Plexins act as receptors for semaphorins, a class of secreted or membrane-bound proteins, which are involved in guiding neuronal axons and vascular patterning. Upon binding with semaphorins, Plexin receptors undergo a conformational change that triggers intracellular signaling cascades. These cascades often involve the regulation of the cytoskeleton, impacting cell shape and movement. Moreover, Plexin signaling is crucial in angiogenesis and immune cell regulation, influencing tissue development and repair processes.

Targeting Plexin pathways for disruption or inhibition is of significant interest. Inhibiting Plexin-semaphorin interactions can modulate the signaling pathways, altering pathological processes like tumor growth or abnormal neuronal development. Small molecule inhibitors, antibodies, or peptides that either mimic or block the action of semaphorins can be used to disrupt Plexin signaling.

SEE ALSO...

Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

Cyclopamine

4449-51-8sc-200929
sc-200929A
1 mg
5 mg
$94.00
$208.00
19
(1)

Inhibits the Hedgehog signaling pathway, which is known to interact with Plexin mediated pathways, thereby potentially altering the functional outcomes of Plexin-B2 activity.

PD173074

219580-11-7sc-202610
sc-202610A
sc-202610B
1 mg
5 mg
50 mg
$47.00
$143.00
$680.00
16
(1)

A selective FGFR tyrosine kinase inhibitor, can affect cellular processes modulated by Plexin as the FGFR pathway can crosstalk with Plexin signaling.

SP600125

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

Inhibits JNK, which can interact with Plexin signaling pathways, thereby influencing cellular responses to Plexin-B2.

SB 203580

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

Inhibits p38 MAPK, potentially affecting Plexin mediated cellular processes as p38 MAPK is known to be involved in Plexin signal transduction.

NSC 23766

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

Disrupts Rac1 activation, potentially interfering with Plexin mediated cytoskeletal reorganization.

IQ-1

331001-62-8sc-202665
10 mg
$180.00
2
(1)

A CDC42 inhibitor, possibly altering Plexin's role in actin cytoskeleton reorganization and cell migration, as CDC42 is a critical mediator in these processes.

2-undecyl-thiazolidine-4-carboxylic acid

298186-80-8sc-220768
sc-220768A
5 mg
10 mg
$88.00
$166.00
(0)

As a 5-lipoxygenase inhibitor, it may affect arachidonic acid metabolism, which can influence Plexins role in inflammation and related signaling cascades.

Y-27632, free base

146986-50-7sc-3536
sc-3536A
5 mg
50 mg
$186.00
$707.00
88
(1)

A Rho-associated protein kinase (ROCK) inhibitor that can modulate Plexin signaling pathways involved in cellular motility and morphology.