Date published: 2025-12-3

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Shh Activators

Shh Activators are a unique class of compounds that either directly activate the Sonic Hedgehog (Shh) signaling pathway or induce its expression. Shh is a secreted protein and a key regulator of cellular differentiation, growth, and patterning during development. The signaling pathway primarily involves binding to the Patched receptor, leading to activation of Smoothened and a cascade of intracellular events that ultimately control gene expression. Chemicals like Purmorphamine and SAG activate the Smoothened receptor, thus serving as direct activators of the pathway. Compounds such as oxysterols and cholesterol play crucial roles in ligand processing and activation, enhancing the overall signaling process.While direct activators focus on the core machinery of the Shh pathway, indirect activators work by modulating interconnected pathways or processes that have downstream effects on Shh signaling. For example, Lithium Chloride inhibits GSK-3β, thereby stabilizing β-catenin, which in turn induces Shh expression. Retinoic Acid and Vitamin D3 act through their respective receptors to modulate Shh expression. Then there are compounds like Forskolin and PMA that engage secondary messengers and other signaling proteins to increase Shh expression or activity.

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Items 1 to 10 of 13 total

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Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

SAG Analog (trans-isomer)

sc-396539
1 mg
$195.00
(0)

SAG Analog (trans-isomer) functions as a potent modulator of the sonic hedgehog (Shh) signaling pathway, characterized by its ability to stabilize the Shh ligand. This compound engages in specific hydrophobic interactions with receptor proteins, enhancing the affinity for downstream effectors. Its unique structural conformation allows for selective binding, influencing the conformational dynamics of the pathway. The reaction kinetics reveal a non-competitive inhibition profile, altering the signaling cascade's efficiency.

SAG Analog (cis-isomer)

1401532-77-1sc-396546
1 mg
$195.00
(0)

SAG Analog (cis-isomer) exhibits a distinctive role in modulating the sonic hedgehog (Shh) signaling pathway through its unique stereochemistry. This isomer demonstrates enhanced solubility and reactivity, facilitating rapid interactions with Shh receptors. Its ability to form transient complexes with key signaling intermediates alters the pathway's activation threshold. Additionally, the cis configuration influences molecular flexibility, impacting downstream signaling dynamics and cellular responses.

Purmorphamine

483367-10-8sc-202785
sc-202785A
1 mg
5 mg
$56.00
$180.00
18
(1)

Directly activates the Smoothened receptor, enhancing Shh signaling.

Smoothened Agonist, HCl

364590-63-6sc-202814
sc-202814A
1 mg
5 mg
$206.00
$510.00
31
(1)

SAG directly activates Smoothened, effectively promoting Shh signaling.

Cholesterol

57-88-5sc-202539C
sc-202539E
sc-202539A
sc-202539B
sc-202539D
sc-202539
5 g
5 kg
100 g
250 g
1 kg
25 g
$26.00
$2754.00
$126.00
$206.00
$572.00
$86.00
11
(1)

Necessary for Shh ligand processing and activation.

Cholecalciferol

67-97-0sc-205630
sc-205630A
sc-205630B
1 g
5 g
10 g
$70.00
$160.00
$290.00
2
(1)

Induces Shh expression through VDR (Vitamin D Receptor).

Lithium

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

Inhibits GSK-3β, thereby stabilizing β-catenin and indirectly upregulating Shh.

Retinoic Acid, all trans

302-79-4sc-200898
sc-200898A
sc-200898B
sc-200898C
500 mg
5 g
10 g
100 g
$65.00
$319.00
$575.00
$998.00
28
(1)

Modulates Shh expression via retinoic acid receptors.

Forskolin

66575-29-9sc-3562
sc-3562A
sc-3562B
sc-3562C
sc-3562D
5 mg
50 mg
1 g
2 g
5 g
$76.00
$150.00
$725.00
$1385.00
$2050.00
73
(3)

Increases cAMP levels, leading to enhanced Shh expression.

Vismodegib

879085-55-9sc-396759
sc-396759A
10 mg
25 mg
$80.00
$96.00
1
(0)

Though primarily an inhibitor, at low doses can act as a Smoothened agonist.