Date published: 2026-9-6

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Shank 1 Inhibitors

Shank 1 inhibitors are molecules that specifically target and modulate the activity of the Shank 1 protein, a critical scaffolding protein found within the postsynaptic density (PSD) of excitatory synapses in neurons. Shank proteins, including Shank 1, are part of a larger family of postsynaptic density proteins, which are involved in the organization and regulation of synaptic signaling complexes. Shank 1, in particular, plays a crucial role in synaptic structure by linking membrane proteins to the actin cytoskeleton, thereby helping maintain synapse integrity and facilitating signal transduction processes. This is achieved through various domains present in Shank 1, such as the PDZ domain, the SH3 domain, and the proline-rich domain, which allow it to interact with other proteins like PSD-95 and Homer proteins. Inhibitors of Shank 1 disrupt these protein-protein interactions, leading to changes in synaptic architecture and signaling dynamics.

At the molecular level, Shank 1 inhibitors can alter synaptic plasticity by modulating the availability and positioning of Shank 1 at the synapse. These inhibitors may interfere with the recruitment of Shank 1 to the PSD or block its ability to bind to other synaptic components, causing alterations in the synaptic signaling network. By disrupting the stability and organization of the postsynaptic scaffolding, Shank 1 inhibitors have been observed to influence synaptic transmission and possibly affect downstream signaling pathways, such as those involving NMDA or AMPA receptors. This class of compounds is also useful for probing the role of Shank 1 in synaptic development, spine morphology, and the maintenance of synaptic homeostasis. Furthermore, their ability to selectively inhibit Shank 1 provides valuable insights into the functional differences among the Shank protein family, particularly in distinguishing Shank 1's specific contributions from those of Shank 2 and Shank 3.

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Items 1 to 10 of 11 total

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Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

Lithium

7439-93-2sc-252954
50 g
$214.00
(0)

Lithium chloride influences the PI3K/Akt/GSK-3β pathway. GSK-3β, when inhibited, may indirectly affect Shank1's synaptic stability and function by modulating the phosphorylation status of proteins involved in synaptic plasticity.

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 mTOR signaling, which is crucial for synaptic protein synthesis and dendritic growth. By inhibiting mTOR, it may indirectly affect Shank1 expression or localization within synapses, impacting synaptic strength and plasticity.

SB 203580

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

SB 203580 specifically inhibits p38 MAPK, a kinase involved in inflammatory responses and synaptic plasticity. Inhibition of p38 MAPK can lead to altered synaptic protein dynamics, potentially affecting Shank1's role in synapse structure.

LY 294002

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

LY294002 is a PI3K inhibitor, disrupting PI3K/Akt signaling. This pathway is involved in cell survival and synaptic function, potentially influencing Shank1's synaptic stability by affecting downstream signaling molecules.

U-0126

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

U0126 inhibits MEK1/2, affecting the ERK/MAPK pathway. This pathway's modulation can influence synaptic plasticity and dendritic spine morphology, potentially affecting Shank1's structural and functional role in synapses.

PD 98059

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

PD98059 is a MEK inhibitor that indirectly influences the ERK/MAPK signaling pathway. By modulating this pathway, PD98059 may affect Shank1's involvement in synaptic plasticity and spine morphology.

W-7

61714-27-0sc-201501
sc-201501A
sc-201501B
50 mg
100 mg
1 g
$166.00
$306.00
$1675.00
18
(1)

W-7 inhibits calmodulin, affecting calcium signaling pathways critical for synaptic function and plasticity. Through calcium signaling modulation, it may indirectly influence Shank1's role at synapses.

KN-93

139298-40-1sc-202199
1 mg
$182.00
25
(1)

KN-93 inhibits CaMKII, a kinase essential for synaptic plasticity. By inhibiting CaMKII, it may indirectly modulate Shank1's function in synapse structure and signaling.

Temozolomide

85622-93-1sc-203292
sc-203292A
25 mg
100 mg
$91.00
$255.00
32
(1)

Temozolomide, an alkylating agent, primarily affects DNA repair mechanisms. Although not directly linked to Shank1, its effects on cellular stress responses could indirectly influence synaptic protein regulation, including Shank1.

Cyclopiazonic Acid

18172-33-3sc-201510
sc-201510A
10 mg
50 mg
$176.00
$624.00
3
(1)

Cyclopiazonic Acid inhibits SERCA, affecting intracellular calcium levels. Changes in calcium signaling can indirectly impact Shank1's role in synaptic signaling and plasticity.